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2 Commits

Author SHA1 Message Date
David Perl
bcc246cf92 WIP drag and drop form widget 2025-04-17 16:33:40 +02:00
David Perl
550753078b WIP look at form widgets 2025-04-17 10:49:57 +02:00
316 changed files with 8843 additions and 26682 deletions

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@@ -1,41 +0,0 @@
name: Bug report
description: File a bug report.
title: "[BUG]: "
labels: ["bug"]
body:
- type: markdown
attributes:
value: |
Bug report:
- type: textarea
id: description
attributes:
label: Provide a brief description of the bug.
- type: textarea
id: expected
attributes:
label: Describe what you expected to happen and what actually happened.
- type: textarea
id: reproduction
attributes:
label: Outline the steps that lead to the bug's occurrence. Be specific and provide a clear sequence of actions.
- type: input
id: version
attributes:
label: bec_widgets version
description: which version of BEC widgets was running?
- type: input
id: bec-version
attributes:
label: bec core version
description: which version of BEC core was running?
- type: textarea
id: extra
attributes:
label: Any extra info / data? e.g. log output...
- type: input
id: issues
attributes:
label: Related issues
description: please tag any related issues

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name: "BEC Widgets Install"
description: "Install BEC Widgets and related os dependencies"
inputs:
BEC_WIDGETS_BRANCH: # id of input
required: false
default: "main"
description: "Branch of BEC Widgets to install"
BEC_CORE_BRANCH: # id of input
required: false
default: "main"
description: "Branch of BEC Core to install"
OPHYD_DEVICES_BRANCH: # id of input
required: false
default: "main"
description: "Branch of Ophyd Devices to install"
PYTHON_VERSION: # id of input
required: false
default: "3.11"
description: "Python version to use"
runs:
using: "composite"
steps:
- name: Setup Python
uses: actions/setup-python@v5
with:
python-version: ${{ inputs.PYTHON_VERSION }}
- name: Checkout BEC Core
uses: actions/checkout@v4
with:
repository: bec-project/bec
ref: ${{ inputs.BEC_CORE_BRANCH }}
path: ./bec
- name: Checkout Ophyd Devices
uses: actions/checkout@v4
with:
repository: bec-project/ophyd_devices
ref: ${{ inputs.OPHYD_DEVICES_BRANCH }}
path: ./ophyd_devices
- name: Checkout BEC Widgets
uses: actions/checkout@v4
with:
repository: bec-project/bec_widgets
ref: ${{ inputs.BEC_WIDGETS_BRANCH }}
path: ./bec_widgets
- name: Install dependencies
shell: bash
run: |
sudo apt-get update
sudo apt-get install -y libgl1 libegl1 x11-utils libxkbcommon-x11-0 libdbus-1-3 xvfb
sudo apt-get -y install libnss3 libxdamage1 libasound2t64 libatomic1 libxcursor1
- name: Install Python dependencies
shell: bash
run: |
pip install uv
uv pip install --system -e ./ophyd_devices
uv pip install --system -e ./bec/bec_lib[dev]
uv pip install --system -e ./bec/bec_ipython_client
uv pip install --system -e ./bec_widgets[dev,pyside6]

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@@ -1,342 +0,0 @@
import functools
import os
from typing import Literal
import requests
from github import Github
from pydantic import BaseModel
class GHConfig(BaseModel):
token: str
organization: str
repository: str
project_number: int
graphql_url: str
rest_url: str
headers: dict
class ProjectItemHandler:
"""
A class to handle GitHub project items.
"""
def __init__(self, gh_config: GHConfig):
self.gh_config = gh_config
self.gh = Github(gh_config.token)
self.repo = self.gh.get_repo(f"{gh_config.organization}/{gh_config.repository}")
self.project_node_id = self.get_project_node_id()
def set_issue_status(
self,
status: Literal[
"Selected for Development",
"Weekly Backlog",
"In Development",
"Ready For Review",
"On Hold",
"Done",
],
issue_number: int | None = None,
issue_node_id: str | None = None,
):
"""
Set the status field of a GitHub issue in the project.
Args:
status (str): The status to set. Must be one of the predefined statuses.
issue_number (int, optional): The issue number. If not provided, issue_node_id must be provided.
issue_node_id (str, optional): The issue node ID. If not provided, issue_number must be provided.
"""
if not issue_number and not issue_node_id:
raise ValueError("Either issue_number or issue_node_id must be provided.")
if issue_number and issue_node_id:
raise ValueError("Only one of issue_number or issue_node_id must be provided.")
if issue_number is not None:
issue = self.repo.get_issue(issue_number)
issue_id = self.get_issue_info(issue.node_id)[0]["id"]
else:
issue_id = issue_node_id
field_id, option_id = self.get_status_field_id(field_name=status)
self.set_field_option(issue_id, field_id, option_id)
def run_graphql(self, query: str, variables: dict) -> dict:
"""
Execute a GraphQL query against the GitHub API.
Args:
query (str): The GraphQL query to execute.
variables (dict): The variables to pass to the query.
Returns:
dict: The response from the GitHub API.
"""
response = requests.post(
self.gh_config.graphql_url,
json={"query": query, "variables": variables},
headers=self.gh_config.headers,
timeout=10,
)
if response.status_code != 200:
raise Exception(
f"Query failed with status code {response.status_code}: {response.text}"
)
return response.json()
def get_project_node_id(self):
"""
Retrieve the project node ID from the GitHub API.
"""
query = """
query($owner: String!, $number: Int!) {
organization(login: $owner) {
projectV2(number: $number) {
id
}
}
}
"""
variables = {"owner": self.gh_config.organization, "number": self.gh_config.project_number}
resp = self.run_graphql(query, variables)
return resp["data"]["organization"]["projectV2"]["id"]
def get_issue_info(self, issue_node_id: str):
"""
Get the project-related information for a given issue node ID.
Args:
issue_node_id (str): The node ID of the issue. Please note that this is not the issue number and typically starts with "I".
Returns:
list[dict]: A list of project items associated with the issue.
"""
query = """
query($issueId: ID!) {
node(id: $issueId) {
... on Issue {
projectItems(first: 10) {
nodes {
project {
id
title
}
id
fieldValues(first: 20) {
nodes {
... on ProjectV2ItemFieldSingleSelectValue {
name
field {
... on ProjectV2SingleSelectField {
name
}
}
}
}
}
}
}
}
}
}
"""
variables = {"issueId": issue_node_id}
resp = self.run_graphql(query, variables)
return resp["data"]["node"]["projectItems"]["nodes"]
def get_status_field_id(
self,
field_name: Literal[
"Selected for Development",
"Weekly Backlog",
"In Development",
"Ready For Review",
"On Hold",
"Done",
],
) -> tuple[str, str]:
"""
Get the status field ID and option ID for the given field name in the project.
Args:
field_name (str): The name of the field to retrieve.
Must be one of the predefined statuses.
Returns:
tuple[str, str]: A tuple containing the field ID and option ID.
"""
field_id = None
option_id = None
project_fields = self.get_project_fields()
for field in project_fields:
if field["name"] != "Status":
continue
field_id = field["id"]
for option in field["options"]:
if option["name"] == field_name:
option_id = option["id"]
break
if not field_id or not option_id:
raise ValueError(f"Field '{field_name}' not found in project fields.")
return field_id, option_id
def set_field_option(self, item_id, field_id, option_id):
"""
Set the option of a project item for a single-select field.
Args:
item_id (str): The ID of the project item to update.
field_id (str): The ID of the field to update.
option_id (str): The ID of the option to set.
"""
mutation = """
mutation($projectId: ID!, $itemId: ID!, $fieldId: ID!, $optionId: String!) {
updateProjectV2ItemFieldValue(
input: {
projectId: $projectId
itemId: $itemId
fieldId: $fieldId
value: { singleSelectOptionId: $optionId }
}
) {
projectV2Item {
id
}
}
}
"""
variables = {
"projectId": self.project_node_id,
"itemId": item_id,
"fieldId": field_id,
"optionId": option_id,
}
return self.run_graphql(mutation, variables)
@functools.lru_cache(maxsize=1)
def get_project_fields(self) -> list[dict]:
"""
Get the available fields in the project.
This method caches the result to avoid multiple API calls.
Returns:
list[dict]: A list of fields in the project.
"""
query = """
query($projectId: ID!) {
node(id: $projectId) {
... on ProjectV2 {
fields(first: 50) {
nodes {
... on ProjectV2SingleSelectField {
id
name
options {
id
name
}
}
}
}
}
}
}
"""
variables = {"projectId": self.project_node_id}
resp = self.run_graphql(query, variables)
return list(filter(bool, resp["data"]["node"]["fields"]["nodes"]))
def get_pull_request_linked_issues(self, pr_number: int) -> list[dict]:
"""
Get the linked issues of a pull request.
Args:
pr_number (int): The pull request number.
Returns:
list[dict]: A list of linked issues.
"""
query = """
query($number: Int!, $owner: String!, $repo: String!) {
repository(owner: $owner, name: $repo) {
pullRequest(number: $number) {
id
closingIssuesReferences(first: 50) {
edges {
node {
id
body
number
title
}
}
}
}
}
}
"""
variables = {
"number": pr_number,
"owner": self.gh_config.organization,
"repo": self.gh_config.repository,
}
resp = self.run_graphql(query, variables)
edges = resp["data"]["repository"]["pullRequest"]["closingIssuesReferences"]["edges"]
return [edge["node"] for edge in edges if edge.get("node")]
def main():
# GitHub settings
token = os.getenv("TOKEN")
org = os.getenv("ORG")
repo = os.getenv("REPO")
project_number = os.getenv("PROJECT_NUMBER")
pr_number = os.getenv("PR_NUMBER")
if not token:
raise ValueError("GitHub token is not set. Please set the TOKEN environment variable.")
if not org:
raise ValueError("GitHub organization is not set. Please set the ORG environment variable.")
if not repo:
raise ValueError("GitHub repository is not set. Please set the REPO environment variable.")
if not project_number:
raise ValueError(
"GitHub project number is not set. Please set the PROJECT_NUMBER environment variable."
)
if not pr_number:
raise ValueError(
"Pull request number is not set. Please set the PR_NUMBER environment variable."
)
project_number = int(project_number)
pr_number = int(pr_number)
gh_config = GHConfig(
token=token,
organization=org,
repository=repo,
project_number=project_number,
graphql_url="https://api.github.com/graphql",
rest_url=f"https://api.github.com/repos/{org}/{repo}/issues",
headers={"Authorization": f"Bearer {token}", "Accept": "application/vnd.github+json"},
)
project_item_handler = ProjectItemHandler(gh_config=gh_config)
# Get PR info
pr = project_item_handler.repo.get_pull(pr_number)
# Get the linked issues of the pull request
linked_issues = project_item_handler.get_pull_request_linked_issues(pr_number=pr_number)
print(f"Linked issues: {linked_issues}")
target_status = "In Development" if pr.draft else "Ready For Review"
print(f"Target status: {target_status}")
for issue in linked_issues:
project_item_handler.set_issue_status(issue_number=issue["number"], status=target_status)
if __name__ == "__main__":
main()

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pydantic
pygithub

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name: Check PR status for branch
on:
workflow_call:
outputs:
branch-pr:
description: The PR number if the branch is in one
value: ${{ jobs.pr.outputs.branch-pr }}
jobs:
pr:
runs-on: "ubuntu-latest"
outputs:
branch-pr: ${{ steps.script.outputs.result }}
steps:
- uses: actions/github-script@v7
id: script
if: github.event_name == 'push' && github.event.ref_type != 'tag'
with:
script: |
const prs = await github.rest.pulls.list({
owner: context.repo.owner,
repo: context.repo.repo,
head: context.repo.owner + ':${{ github.ref_name }}'
})
if (prs.data.length) {
console.log(`::notice ::Skipping CI on branch push as it is already run in PR #${prs.data[0]["number"]}`)
return prs.data[0]["number"]
}

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name: Full CI
on:
push:
pull_request:
workflow_dispatch:
inputs:
BEC_WIDGETS_BRANCH:
description: 'Branch of BEC Widgets to install'
required: false
type: string
BEC_CORE_BRANCH:
description: 'Branch of BEC Core to install'
required: false
type: string
OPHYD_DEVICES_BRANCH:
description: 'Branch of Ophyd Devices to install'
required: false
type: string
permissions:
pull-requests: write
jobs:
check_pr_status:
uses: ./.github/workflows/check_pr.yml
formatter:
needs: check_pr_status
if: needs.check_pr_status.outputs.branch-pr == ''
uses: ./.github/workflows/formatter.yml
unit-test:
needs: [check_pr_status, formatter]
if: needs.check_pr_status.outputs.branch-pr == ''
uses: ./.github/workflows/pytest.yml
with:
BEC_WIDGETS_BRANCH: ${{ inputs.BEC_WIDGETS_BRANCH || github.head_ref }}
BEC_CORE_BRANCH: ${{ inputs.BEC_CORE_BRANCH || 'main' }}
OPHYD_DEVICES_BRANCH: ${{ inputs.OPHYD_DEVICES_BRANCH || 'main' }}
secrets:
CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
unit-test-matrix:
needs: [check_pr_status, formatter]
if: needs.check_pr_status.outputs.branch-pr == ''
uses: ./.github/workflows/pytest-matrix.yml
with:
BEC_WIDGETS_BRANCH: ${{ inputs.BEC_WIDGETS_BRANCH || github.head_ref || github.sha}}
BEC_CORE_BRANCH: ${{ inputs.BEC_CORE_BRANCH || 'main' }}
OPHYD_DEVICES_BRANCH: ${{ inputs.OPHYD_DEVICES_BRANCH || 'main' }}
generate-cli-test:
needs: [check_pr_status, formatter]
if: needs.check_pr_status.outputs.branch-pr == ''
uses: ./.github/workflows/generate-cli-check.yml
end2end-test:
needs: [check_pr_status, formatter]
if: needs.check_pr_status.outputs.branch-pr == ''
uses: ./.github/workflows/end2end-conda.yml

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name: Run Pytest with Coverage
on: [workflow_call]
jobs:
pytest:
runs-on: ubuntu-latest
defaults:
run:
shell: bash -el {0}
env:
CHILD_PIPELINE_BRANCH: main # Set the branch you want for ophyd_devices
BEC_CORE_BRANCH: main # Set the branch you want for bec
OPHYD_DEVICES_BRANCH: main # Set the branch you want for ophyd_devices
PLUGIN_REPO_BRANCH: main # Set the branch you want for the plugin repo
PROJECT_PATH: ${{ github.repository }}
QTWEBENGINE_DISABLE_SANDBOX: 1
QT_QPA_PLATFORM: "offscreen"
steps:
- uses: actions/checkout@v4
- name: Set up Conda
uses: conda-incubator/setup-miniconda@v3
with:
auto-update-conda: true
auto-activate-base: true
python-version: '3.11'
- name: Install dependencies
run: |
sudo apt-get update
sudo apt-get install -y libgl1 libegl1 x11-utils libxkbcommon-x11-0 libdbus-1-3 xvfb
sudo apt-get -y install libnss3 libxdamage1 libasound2t64 libatomic1 libxcursor1
- name: Conda install and run pytest
run: |
echo -e "\033[35;1m Using branch $BEC_CORE_BRANCH of BEC CORE \033[0;m";
git clone --branch $BEC_CORE_BRANCH https://github.com/bec-project/bec.git
echo -e "\033[35;1m Using branch $OPHYD_DEVICES_BRANCH of OPHYD_DEVICES \033[0;m";
git clone --branch $OPHYD_DEVICES_BRANCH https://github.com/bec-project/ophyd_devices.git
export OHPYD_DEVICES_PATH=$PWD/ophyd_devices
echo -e "\033[35;1m Using branch $PLUGIN_REPO_BRANCH of bec_testing_plugin \033[0;m";
git clone --branch $PLUGIN_REPO_BRANCH https://github.com/bec-project/bec_testing_plugin.git
cd ./bec
conda create -q -n test-environment python=3.11
source ./bin/install_bec_dev.sh -t
cd ../
pip install -e ./ophyd_devices -e .[dev,pyside6] -e ./bec_testing_plugin
pytest -v --files-path ./ --start-servers --random-order ./tests/end-2-end
- name: Upload logs if job fails
if: failure()
uses: actions/upload-artifact@v4
with:
name: pytest-logs
path: ./logs/*.log
retention-days: 7

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name: Formatter and Pylint jobs
on: [workflow_call]
jobs:
Formatter:
runs-on: ubuntu-latest
steps:
- name: Check out repository code
uses: actions/checkout@v4
- name: Set up Python
uses: actions/setup-python@v5
with:
python-version: '3.13'
- name: Run black and isort
run: |
pip install uv
uv pip install --system black isort
uv pip install --system -e .[dev]
black --check --diff --color .
isort --check --diff ./
- name: Check for disallowed imports from PySide
run: '! grep -re "from PySide6\." bec_widgets/ tests/ | grep -v -e "PySide6.QtDesigner" -e "PySide6.scripts"'
Pylint:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- name: Set up Python
uses: actions/setup-python@v5
with:
python-version: '3.13'
- name: Install dependencies
run: |
python -m pip install --upgrade pip
pip install pylint pylint-exit anybadge
- name: Run Pylint
run: |
mkdir -p ./pylint
set +e
pylint ./${{ github.event.repository.name }} --output-format=text > ./pylint/pylint.log
pylint-exit $?
set -e
- name: Extract Pylint Score
id: score
run: |
SCORE=$(sed -n 's/^Your code has been rated at \([-0-9.]*\)\/.*/\1/p' ./pylint/pylint.log)
echo "score=$SCORE" >> $GITHUB_OUTPUT
- name: Create Badge
run: |
anybadge --label=Pylint --file=./pylint/pylint.svg --value="${{ steps.score.outputs.score }}" 2=red 4=orange 8=yellow 10=green
- name: Upload Artifacts
uses: actions/upload-artifact@v4
with:
name: pylint-artifacts
path: |
# ./pylint/pylint.log # not sure why this isn't working
./pylint/pylint.svg

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name: Run bw-generate-cli
on: [workflow_call]
jobs:
pytest:
runs-on: ubuntu-latest
defaults:
run:
shell: bash -el {0}
env:
CHILD_PIPELINE_BRANCH: main # Set the branch you want for ophyd_devices
BEC_CORE_BRANCH: main # Set the branch you want for bec
OPHYD_DEVICES_BRANCH: main # Set the branch you want for ophyd_devices
PROJECT_PATH: ${{ github.repository }}
QTWEBENGINE_DISABLE_SANDBOX: 1
QT_QPA_PLATFORM: "offscreen"
steps:
- uses: actions/checkout@v4
- name: Set up Python
uses: actions/setup-python@v5
with:
python-version: "3.11"
- name: Install os dependencies
run: |
sudo apt-get update
sudo apt-get install -y libgl1 libegl1 x11-utils libxkbcommon-x11-0 libdbus-1-3 xvfb
sudo apt-get -y install libnss3 libxdamage1 libasound2t64 libatomic1 libxcursor1
- name: Clone and install dependencies
run: |
echo -e "\033[35;1m Using branch $BEC_CORE_BRANCH of BEC CORE \033[0;m";
git clone --branch $BEC_CORE_BRANCH https://github.com/bec-project/bec.git
echo -e "\033[35;1m Using branch $OPHYD_DEVICES_BRANCH of OPHYD_DEVICES \033[0;m";
git clone --branch $OPHYD_DEVICES_BRANCH https://github.com/bec-project/ophyd_devices.git
export OHPYD_DEVICES_PATH=$PWD/ophyd_devices
pip install -e ./ophyd_devices
pip install -e ./bec/bec_lib[dev]
pip install -e ./bec/bec_ipython_client
pip install -e .[dev,pyside6]
- name: Run bw-generate-cli
run: |
bw-generate-cli --target bec_widgets
git diff --exit-code

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@@ -1,59 +0,0 @@
name: Run Pytest with different Python versions
on:
workflow_call:
inputs:
pr_number:
description: 'Pull request number'
required: false
type: number
BEC_CORE_BRANCH:
description: 'Branch of BEC Core to install'
required: false
default: 'main'
type: string
OPHYD_DEVICES_BRANCH:
description: 'Branch of Ophyd Devices to install'
required: false
default: 'main'
type: string
BEC_WIDGETS_BRANCH:
description: 'Branch of BEC Widgets to install'
required: false
default: 'main'
type: string
jobs:
pytest-matrix:
runs-on: ubuntu-latest
strategy:
matrix:
python-version: ["3.10", "3.11", "3.12"]
env:
BEC_WIDGETS_BRANCH: main # Set the branch you want for bec_widgets
BEC_CORE_BRANCH: main # Set the branch you want for bec
OPHYD_DEVICES_BRANCH: main # Set the branch you want for ophyd_devices
PROJECT_PATH: ${{ github.repository }}
QTWEBENGINE_DISABLE_SANDBOX: 1
QT_QPA_PLATFORM: "offscreen"
steps:
- name: Checkout BEC Widgets
uses: actions/checkout@v4
with:
repository: bec-project/bec_widgets
ref: ${{ inputs.BEC_WIDGETS_BRANCH }}
- name: Install BEC Widgets and dependencies
uses: ./.github/actions/bw_install
with:
BEC_WIDGETS_BRANCH: ${{ inputs.BEC_WIDGETS_BRANCH }}
BEC_CORE_BRANCH: ${{ inputs.BEC_CORE_BRANCH }}
OPHYD_DEVICES_BRANCH: ${{ inputs.OPHYD_DEVICES_BRANCH }}
PYTHON_VERSION: ${{ matrix.python-version }}
- name: Run Pytest
run: |
pip install pytest pytest-random-order
pytest -v --junitxml=report.xml --random-order ./tests/unit_tests

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@@ -1,64 +0,0 @@
name: Run Pytest with Coverage
on:
workflow_call:
inputs:
pr_number:
description: 'Pull request number'
required: false
type: number
BEC_CORE_BRANCH:
description: 'Branch of BEC Core to install'
required: false
default: 'main'
type: string
OPHYD_DEVICES_BRANCH:
description: 'Branch of Ophyd Devices to install'
required: false
default: 'main'
type: string
BEC_WIDGETS_BRANCH:
description: 'Branch of BEC Widgets to install'
required: false
default: 'main'
type: string
secrets:
CODECOV_TOKEN:
required: true
permissions:
pull-requests: write
jobs:
pytest:
runs-on: ubuntu-latest
env:
QTWEBENGINE_DISABLE_SANDBOX: 1
QT_QPA_PLATFORM: "offscreen"
steps:
- name: Checkout BEC Widgets
uses: actions/checkout@v4
with:
repository: bec-project/bec_widgets
ref: ${{ inputs.BEC_WIDGETS_BRANCH }}
- name: Install BEC Widgets and dependencies
uses: ./.github/actions/bw_install
with:
BEC_WIDGETS_BRANCH: ${{ inputs.BEC_WIDGETS_BRANCH }}
BEC_CORE_BRANCH: ${{ inputs.BEC_CORE_BRANCH }}
OPHYD_DEVICES_BRANCH: ${{ inputs.OPHYD_DEVICES_BRANCH }}
PYTHON_VERSION: 3.11
- name: Run Pytest with Coverage
id: coverage
run: pytest --random-order --cov=bec_widgets --cov-config=pyproject.toml --cov-branch --cov-report=xml --no-cov-on-fail tests/unit_tests/
- name: Upload coverage to Codecov
uses: codecov/codecov-action@v5
with:
token: ${{ secrets.CODECOV_TOKEN }}
slug: bec-project/bec_widgets

View File

@@ -1,103 +0,0 @@
name: Continuous Delivery
on:
push:
branches:
- main
# default: least privileged permissions across all jobs
permissions:
contents: read
jobs:
release:
runs-on: ubuntu-latest
concurrency:
group: ${{ github.workflow }}-release-${{ github.ref_name }}
cancel-in-progress: false
env:
CHILD_PIPELINE_BRANCH: main # Set the branch you want for ophyd_devices
BEC_CORE_BRANCH: main # Set the branch you want for bec
OPHYD_DEVICES_BRANCH: main # Set the branch you want for ophyd_devices
PROJECT_PATH: ${{ github.repository }}
QTWEBENGINE_DISABLE_SANDBOX: 1
QT_QPA_PLATFORM: "offscreen"
permissions:
contents: write
steps:
# Note: We checkout the repository at the branch that triggered the workflow
# with the entire history to ensure to match PSR's release branch detection
# and history evaluation.
# However, we forcefully reset the branch to the workflow sha because it is
# possible that the branch was updated while the workflow was running. This
# prevents accidentally releasing un-evaluated changes.
- name: Setup | Checkout Repository on Release Branch
uses: actions/checkout@v4
with:
ref: ${{ github.ref_name }}
fetch-depth: 0
ssh-key: ${{ secrets.CI_DEPLOY_SSH_KEY }}
ssh-known-hosts: ${{ secrets.CI_DEPLOY_SSH_KNOWN_HOSTS }}
- name: Set up Python
uses: actions/setup-python@v5
with:
python-version: '3.11'
- name: Setup | Force release branch to be at workflow sha
run: |
git reset --hard ${{ github.sha }}
- name: Evaluate | Verify upstream has NOT changed
# Last chance to abort before causing an error as another PR/push was applied to
# the upstream branch while this workflow was running. This is important
# because we are committing a version change (--commit). You may omit this step
# if you have 'commit: false' in your configuration.
#
# You may consider moving this to a repo script and call it from this step instead
# of writing it in-line.
shell: bash
run: |
set +o pipefail
UPSTREAM_BRANCH_NAME="$(git status -sb | head -n 1 | cut -d' ' -f2 | grep -E '\.{3}' | cut -d'.' -f4)"
printf '%s\n' "Upstream branch name: $UPSTREAM_BRANCH_NAME"
set -o pipefail
if [ -z "$UPSTREAM_BRANCH_NAME" ]; then
printf >&2 '%s\n' "::error::Unable to determine upstream branch name!"
exit 1
fi
git fetch "${UPSTREAM_BRANCH_NAME%%/*}"
if ! UPSTREAM_SHA="$(git rev-parse "$UPSTREAM_BRANCH_NAME")"; then
printf >&2 '%s\n' "::error::Unable to determine upstream branch sha!"
exit 1
fi
HEAD_SHA="$(git rev-parse HEAD)"
if [ "$HEAD_SHA" != "$UPSTREAM_SHA" ]; then
printf >&2 '%s\n' "[HEAD SHA] $HEAD_SHA != $UPSTREAM_SHA [UPSTREAM SHA]"
printf >&2 '%s\n' "::error::Upstream has changed, aborting release..."
exit 1
fi
printf '%s\n' "Verified upstream branch has not changed, continuing with release..."
- name: Semantic Version Release
id: release
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: |
pip install python-semantic-release==9.* wheel build twine
semantic-release -vv version
if [ ! -d dist ]; then echo No release will be made; exit 0; fi
twine upload dist/* -u __token__ -p ${{ secrets.CI_PYPI_TOKEN }} --skip-existing
semantic-release publish

View File

@@ -1,15 +0,0 @@
name: 'Close stale issues and PRs'
on:
schedule:
- cron: '00 10 * * *'
jobs:
stale:
runs-on: ubuntu-latest
steps:
- uses: actions/stale@v9
with:
stale-issue-message: 'This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days.'
stale-pr-message: 'This PR is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days.'
days-before-stale: 60
days-before-close: 7

View File

@@ -1,40 +0,0 @@
name: Sync PR to Project
on:
pull_request:
types: [opened, edited, ready_for_review, converted_to_draft, reopened, synchronize]
jobs:
sync-project:
runs-on: ubuntu-latest
permissions:
issues: write
pull-requests: read
contents: read
env:
PROJECT_NUMBER: 3 # BEC Project
ORG: 'bec-project'
REPO: 'bec_widgets'
TOKEN: ${{ secrets.ADD_ISSUE_TO_PROJECT }}
PR_NUMBER: ${{ github.event.pull_request.number }}
steps:
- name: Set up python environment
uses: actions/setup-python@v4
with:
python-version: 3.11
- name: Checkout repo
uses: actions/checkout@v4
with:
repository: ${{ github.repository }}
ref: ${{ github.event.pull_request.head.ref }}
- name: Install dependencies
run: |
pip install -r ./.github/scripts/pr_issue_sync/requirements.txt
- name: Sync PR to Project
run: |
python ./.github/scripts/pr_issue_sync/pr_issue_sync.py

3
.gitignore vendored
View File

@@ -64,9 +64,6 @@ coverage.xml
.pytest_cache/
cover/
# Output from end2end testing
tests/reference_failures/
# Translations
*.mo
*.pot

View File

@@ -13,7 +13,7 @@ variables:
value: main
CHILD_PIPELINE_BRANCH: $CI_DEFAULT_BRANCH
CHECK_PKG_VERSIONS:
description: Whether to run additional tests against min/max/random selection of dependencies. Set to 1 for running.
description: Whether to run additional tests against min/max/random selection of dependencies. Set to 1 for running.
value: 0
workflow:
@@ -77,7 +77,7 @@ formatter:
stage: Formatter
needs: []
script:
- pip install -e ./[dev]
- pip install bec_lib[dev]
- isort --check --diff --line-length=100 --profile=black --multi-line=3 --trailing-comma ./
- black --check --diff --color --line-length=100 --skip-magic-trailing-comma ./
rules:
@@ -162,20 +162,6 @@ tests:
- tests/reference_failures/
when: always
generate-client-check:
stage: test
needs: []
variables:
QT_QPA_PLATFORM: "offscreen"
script:
- *clone-repos
- *install-os-packages
- *install-repos
- pip install -e .[dev,pyside6]
- bw-generate-cli --target bec_widgets
# if there are changes in the generated files, fail the job
- git diff --exit-code
test-matrix:
parallel:
matrix:
@@ -203,7 +189,7 @@ test-matrix:
end-2-end-conda:
stage: End2End
needs: []
image: continuumio/miniconda3:25.1.1-2
image: continuumio/miniconda3
allow_failure: false
variables:
QT_QPA_PLATFORM: "offscreen"
@@ -230,7 +216,7 @@ end-2-end-conda:
- pip install -e ./ophyd_devices
- pip install -e .[dev,pyside6]
- pytest -v --files-path ./ --start-servers --random-order ./tests/end-2-end
- pytest -v --files-path ./ --start-servers --flush-redis --random-order ./tests/end-2-end
artifacts:
when: on_failure
@@ -245,7 +231,7 @@ end-2-end-conda:
- if: '$CI_PIPELINE_SOURCE == "parent_pipeline"'
- if: '$CI_MERGE_REQUEST_TARGET_BRANCH_NAME == "main"'
- if: '$CI_MERGE_REQUEST_TARGET_BRANCH_NAME == "production"'
- if: "$CI_MERGE_REQUEST_TARGET_BRANCH_NAME =~ /^pre_release.*$/"
- if: '$CI_MERGE_REQUEST_TARGET_BRANCH_NAME =~ /^pre_release.*$/'
semver:
stage: Deploy

View File

@@ -0,0 +1,17 @@
## Bug report
## Summary
[Provide a brief description of the bug.]
## Expected Behavior vs Actual Behavior
[Describe what you expected to happen and what actually happened.]
## Steps to Reproduce
[Outline the steps that lead to the bug's occurrence. Be specific and provide a clear sequence of actions.]
## Related Issues
[Paste links to any related issues or feature requests.]

View File

@@ -1,13 +1,3 @@
---
name: Documentation update request
about: Suggest an update to the docs
title: '[DOCS]: '
type: documentation
label: documentation
assignees: ''
---
## Documentation Section
[Specify the section or page of the documentation that needs updating]

View File

@@ -1,13 +1,3 @@
---
name: Feature request
about: Suggest an idea for this project
title: '[FEAT]: '
type: feature
label: feature
assignees: ''
---
## Feature Summary
[Provide a brief and clear summary of the new feature you are requesting]
@@ -47,3 +37,4 @@ assignees: ''
## Additional Information
[Provide any additional information that might be relevant to the feature request, such as user feedback, market trends, or similar features in other products]

View File

@@ -1,24 +1,19 @@
## Description
[Provide a brief description of the changes introduced by this pull request.]
[Provide a brief description of the changes introduced by this merge request.]
## Related Issues
[Cite any related issues or feature requests that are addressed or resolved by this pull request. Link the associated issue, for example, with `fixes #123` or `closes #123`.]
[Cite any related issues or feature requests that are addressed or resolved by this merge request. Use the gitlab syntax for linking issues, for example, `fixes #123` or `closes #123`.]
## Type of Change
- Change 1
- Change 2
## How to test
- Run unit tests
- Open [widget] in designer and play around with the properties
## Potential side effects
[Describe any potential side effects or risks of merging this PR.]
[Describe any potential side effects or risks of merging this MR.]
## Screenshots / GIFs (if applicable)

View File

@@ -7,13 +7,13 @@ version: 2
# Set the version of Python and other tools you might need
build:
os: ubuntu-22.04
os: ubuntu-20.04
tools:
python: "3.11"
python: "3.10"
# Build documentation in the docs/ directory with Sphinx
sphinx:
configuration: docs/conf.py
configuration: docs/conf.py
# If using Sphinx, optionally build your docs in additional formats such as PDF
# formats:
@@ -21,7 +21,5 @@ sphinx:
# Optionally declare the Python requirements required to build your docs
python:
install:
- requirements: docs/requirements.txt
- method: pip
path: .[dev]
install:
- requirements: docs/requirements.txt

File diff suppressed because it is too large Load Diff

View File

@@ -1,6 +1,6 @@
BSD 3-Clause License
Copyright (c) 2025, Paul Scherrer Institute
Copyright (c) 2023, bec
All rights reserved.
Redistribution and use in source and binary forms, with or without

View File

@@ -1,16 +1,5 @@
# BEC Widgets
[![CI](https://github.com/bec-project/bec_widgets/actions/workflows/ci.yml/badge.svg)](https://github.com/bec-project/bec_widgets/actions/workflows/ci.yml)
[![badge](https://img.shields.io/pypi/v/bec-widgets)](https://pypi.org/project/bec-widgets/)
[![License](https://img.shields.io/github/license/bec-project/bec_widgets)](./LICENSE)
[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
[![Python](https://img.shields.io/badge/python-3.10%20%7C%203.11%20%7C%203.12-blue?logo=python&logoColor=white)](https://www.python.org)
[![PySide6](https://img.shields.io/badge/PySide6-blue?logo=qt&logoColor=white)](https://doc.qt.io/qtforpython/)
[![Conventional Commits](https://img.shields.io/badge/conventional%20commits-1.0.0-yellow?logo=conventionalcommits&logoColor=white)](https://conventionalcommits.org)
[![codecov](https://codecov.io/gh/bec-project/bec_widgets/graph/badge.svg?token=0Z9IQRJKMY)](https://codecov.io/gh/bec-project/bec_widgets)
**⚠️ Important Notice:**
🚨 **PyQt6 is no longer supported** due to incompatibilities with Qt Designer. Please use **PySide6** instead. 🚨

View File

@@ -0,0 +1,199 @@
""" This module contains the GUI for the 1D alignment application.
It is a preliminary version of the GUI, which will be added to the main branch and steadily updated to be improved.
"""
import os
from typing import Optional
from bec_lib.device import Signal as BECSignal
from bec_lib.endpoints import MessageEndpoints
from bec_lib.logger import bec_logger
from qtpy.QtCore import QSize
from qtpy.QtGui import QIcon
from qtpy.QtWidgets import QApplication
import bec_widgets
from bec_widgets.utils import UILoader
from bec_widgets.utils.bec_dispatcher import BECDispatcher
from bec_widgets.utils.colors import get_accent_colors
from bec_widgets.utils.error_popups import SafeSlot as Slot
from bec_widgets.widgets.control.buttons.stop_button.stop_button import StopButton
from bec_widgets.widgets.control.device_control.positioner_group.positioner_group import (
PositionerGroup,
)
from bec_widgets.widgets.dap.lmfit_dialog.lmfit_dialog import LMFitDialog
from bec_widgets.widgets.plots.waveform.waveform_widget import BECWaveformWidget
from bec_widgets.widgets.progress.bec_progressbar.bec_progressbar import BECProgressBar
MODULE_PATH = os.path.dirname(bec_widgets.__file__)
logger = bec_logger.logger
# FIXME BECWaveFormWidget is gone, this app will not work until adapted to new Waveform
class Alignment1D:
"""Alignment GUI to perform 1D scans"""
def __init__(self, client=None, gui_id: Optional[str] = None) -> None:
"""Initialization
Args:
config: Configuration of the application.
client: BEC client object.
gui_id: GUI ID.
"""
self.bec_dispatcher = BECDispatcher(client=client)
self.client = self.bec_dispatcher.client if client is None else client
QApplication.instance().aboutToQuit.connect(self.close)
self.dev = self.client.device_manager.devices
self._accent_colors = get_accent_colors()
self.ui_file = "alignment_1d.ui"
self.ui = None
self.progress_bar = None
self.waveform = None
self.init_ui()
def init_ui(self):
"""Initialise the UI from QT Designer file"""
current_path = os.path.dirname(__file__)
self.ui = UILoader(None).loader(os.path.join(current_path, self.ui_file))
# Customize the plotting widget
self.waveform = self.ui.findChild(BECWaveformWidget, "bec_waveform_widget")
self._customise_bec_waveform_widget()
# Setup comboboxes for motor and signal selection
# FIXME after changing the filtering in the combobox
self._setup_signal_combobox()
# Setup motor indicator
self._setup_motor_indicator()
# Setup progress bar
self._setup_progress_bar()
# Add actions buttons
self._customise_buttons()
# Hook scaninfo updates
self.bec_dispatcher.connect_slot(self.scan_status_callback, MessageEndpoints.scan_status())
def show(self):
return self.ui.show()
##############################
############ SLOTS ###########
##############################
@Slot(dict, dict)
def scan_status_callback(self, content: dict, _) -> None:
"""This slot allows to enable/disable the UI critical components when a scan is running"""
if content["status"] in ["open"]:
self.enable_ui(False)
elif content["status"] in ["aborted", "halted", "closed"]:
self.enable_ui(True)
@Slot(tuple)
def move_to_center(self, move_request: tuple) -> None:
"""Move the selected motor to the center"""
motor = self.ui.device_combobox.currentText()
if move_request[0] in ["center", "center1", "center2"]:
pos = move_request[1]
self.dev.get(motor).move(float(pos), relative=False)
@Slot()
def reset_progress_bar(self) -> None:
"""Reset the progress bar"""
self.progress_bar.set_value(0)
self.progress_bar.set_minimum(0)
@Slot(dict, dict)
def update_progress_bar(self, content: dict, _) -> None:
"""Hook to update the progress bar
Args:
content: Content of the scan progress message.
metadata: Metadata of the message.
"""
if content["max_value"] == 0:
self.progress_bar.set_value(0)
return
self.progress_bar.set_maximum(content["max_value"])
self.progress_bar.set_value(content["value"])
@Slot()
def clear_queue(self) -> None:
"""Clear the scan queue"""
self.queue.request_queue_reset()
##############################
######## END OF SLOTS ########
##############################
def enable_ui(self, enable: bool) -> None:
"""Enable or disable the UI components"""
# Enable/disable motor and signal selection
self.ui.device_combobox_2.setEnabled(enable)
# Enable/disable DAP selection
self.ui.dap_combo_box.setEnabled(enable)
# Enable/disable Scan Button
# self.ui.scan_button.setEnabled(enable)
# Disable move to buttons in LMFitDialog
self.ui.findChild(LMFitDialog).set_actions_enabled(enable)
def _customise_buttons(self) -> None:
"""Add action buttons for the Action Control.
In addition, we are adding a callback to also clear the queue to the stop button
to ensure that upon clicking the button, no scans from another client may be queued
which would be confusing without the queue widget.
"""
fit_dialog = self.ui.findChild(LMFitDialog)
fit_dialog.active_action_list = ["center", "center1", "center2"]
fit_dialog.move_action.connect(self.move_to_center)
stop_button = self.ui.findChild(StopButton)
stop_button.button.setText("Stop and Clear Queue")
stop_button.button.clicked.connect(self.clear_queue)
def _customise_bec_waveform_widget(self) -> None:
"""Customise the BEC Waveform Widget, i.e. clear the toolbar"""
self.waveform.toolbar.clear()
def _setup_motor_indicator(self) -> None:
"""Setup the arrow item"""
self.waveform.waveform.tick_item.add_to_plot()
positioner_box = self.ui.findChild(PositionerGroup)
positioner_box.position_update.connect(self.waveform.waveform.tick_item.set_position)
self.waveform.waveform.tick_item.set_position(0)
def _setup_signal_combobox(self) -> None:
"""Setup signal selection"""
# FIXME after changing the filtering in the combobox
signals = [name for name in self.dev if isinstance(self.dev.get(name), BECSignal)]
self.ui.device_combobox_2.setCurrentText(signals[0])
self.ui.device_combobox_2.set_device_filter("Signal")
def _setup_progress_bar(self) -> None:
"""Setup progress bar"""
# FIXME once the BECScanProgressBar is implemented
self.progress_bar = self.ui.findChild(BECProgressBar, "bec_progress_bar")
self.progress_bar.set_value(0)
self.ui.bec_waveform_widget.new_scan.connect(self.reset_progress_bar)
self.bec_dispatcher.connect_slot(self.update_progress_bar, MessageEndpoints.scan_progress())
def close(self):
logger.info("Disconnecting", repr(self.bec_dispatcher))
self.bec_dispatcher.disconnect_all()
logger.info("Shutting down BEC Client", repr(self.client))
self.client.shutdown()
def main():
import sys
app = QApplication(sys.argv)
icon = QIcon()
icon.addFile(
os.path.join(MODULE_PATH, "assets", "app_icons", "alignment_1d.png"), size=QSize(48, 48)
)
app.setWindowIcon(icon)
window = Alignment1D()
window.show()
sys.exit(app.exec_())
if __name__ == "__main__": # pragma: no cover
main()

View File

@@ -0,0 +1,615 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>mainWindow</class>
<widget class="QMainWindow" name="mainWindow">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>1611</width>
<height>1019</height>
</rect>
</property>
<property name="windowTitle">
<string>Alignment tool</string>
</property>
<widget class="QWidget" name="widget">
<layout class="QVBoxLayout" name="verticalLayout_2">
<item>
<widget class="QWidget" name="widget" native="true">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<layout class="QHBoxLayout" name="horizontalLayout_5">
<item>
<widget class="DarkModeButton" name="dark_mode_button"/>
</item>
<item>
<spacer name="horizontalSpacer_6">
<property name="orientation">
<enum>Qt::Orientation::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="BECStatusBox" name="bec_status_box">
<property name="compact_view" stdset="0">
<bool>true</bool>
</property>
<property name="label" stdset="0">
<string>BEC Servers</string>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer_3">
<property name="orientation">
<enum>Qt::Orientation::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="BECQueue" name="bec_queue">
<property name="compact_view" stdset="0">
<bool>true</bool>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer_5">
<property name="orientation">
<enum>Qt::Orientation::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="QRadioButton" name="radioButton">
<property name="enabled">
<bool>false</bool>
</property>
<property name="text">
<string>SLS Light On</string>
</property>
<property name="checkable">
<bool>true</bool>
</property>
<property name="checked">
<bool>true</bool>
</property>
<property name="autoExclusive">
<bool>false</bool>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer_7">
<property name="orientation">
<enum>Qt::Orientation::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="QRadioButton" name="radioButton_3">
<property name="enabled">
<bool>false</bool>
</property>
<property name="text">
<string>BEAMLINE Checks</string>
</property>
<property name="checkable">
<bool>true</bool>
</property>
<property name="checked">
<bool>true</bool>
</property>
<property name="autoExclusive">
<bool>false</bool>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer_4">
<property name="orientation">
<enum>Qt::Orientation::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="StopButton" name="stop_button">
<property name="sizePolicy">
<sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="minimumSize">
<size>
<width>200</width>
<height>40</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>200</width>
<height>40</height>
</size>
</property>
</widget>
</item>
</layout>
</widget>
</item>
<item>
<widget class="BECProgressBar" name="bec_progress_bar">
<property name="minimumSize">
<size>
<width>0</width>
<height>25</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>16777215</width>
<height>25</height>
</size>
</property>
</widget>
</item>
<item>
<widget class="QTabWidget" name="tabWidget">
<property name="sizePolicy">
<sizepolicy hsizetype="Expanding" vsizetype="Expanding">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="currentIndex">
<number>0</number>
</property>
<widget class="QWidget" name="ControlTab">
<attribute name="title">
<string>Alignment Control</string>
</attribute>
<layout class="QHBoxLayout" name="horizontalLayout_6">
<item>
<widget class="QWidget" name="widget_4" native="true">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Preferred">
<horstretch>1</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<layout class="QVBoxLayout" name="verticalLayout_3">
<item>
<widget class="ScanControl" name="scan_control">
<property name="current_scan" stdset="0">
<string>line_scan</string>
</property>
<property name="hide_arg_box" stdset="0">
<bool>false</bool>
</property>
<property name="hide_scan_selection_combobox" stdset="0">
<bool>true</bool>
</property>
<property name="hide_add_remove_buttons" stdset="0">
<bool>true</bool>
</property>
</widget>
</item>
<item>
<widget class="PositionerGroup" name="positioner_group"/>
</item>
<item>
<spacer name="verticalSpacer">
<property name="orientation">
<enum>Qt::Orientation::Vertical</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>20</width>
<height>40</height>
</size>
</property>
</spacer>
</item>
</layout>
</widget>
</item>
<item>
<widget class="QWidget" name="widget_3" native="true">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Preferred">
<horstretch>4</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<layout class="QVBoxLayout" name="verticalLayout">
<item>
<widget class="QWidget" name="widget_2" native="true">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<layout class="QHBoxLayout" name="horizontalLayout_3">
<item>
<widget class="QLabel" name="label_2">
<property name="font">
<font/>
</property>
<property name="text">
<string>Monitor</string>
</property>
</widget>
</item>
<item>
<widget class="DeviceComboBox" name="device_combobox_2"/>
</item>
<item>
<widget class="QLabel" name="label_3">
<property name="font">
<font/>
</property>
<property name="text">
<string>LMFit Model</string>
</property>
</widget>
</item>
<item>
<widget class="DapComboBox" name="dap_combo_box"/>
</item>
<item>
<widget class="QLabel" name="label">
<property name="text">
<string>Enable ROI</string>
</property>
</widget>
</item>
<item>
<widget class="ToggleSwitch" name="toggle_switch">
<property name="sizePolicy">
<sizepolicy hsizetype="Expanding" vsizetype="Expanding">
<horstretch>3</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="toolTip">
<string>Activate linear region select for LMFit</string>
</property>
<property name="layoutDirection">
<enum>Qt::LayoutDirection::LeftToRight</enum>
</property>
<property name="checked" stdset="0">
<bool>false</bool>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer_8">
<property name="orientation">
<enum>Qt::Orientation::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
</layout>
</widget>
</item>
<item>
<widget class="BECWaveformWidget" name="bec_waveform_widget">
<property name="sizePolicy">
<sizepolicy hsizetype="Expanding" vsizetype="Expanding">
<horstretch>0</horstretch>
<verstretch>1</verstretch>
</sizepolicy>
</property>
<property name="minimumSize">
<size>
<width>600</width>
<height>450</height>
</size>
</property>
<property name="clear_curves_on_plot_update" stdset="0">
<bool>true</bool>
</property>
</widget>
</item>
<item>
<widget class="LMFitDialog" name="lm_fit_dialog">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Minimum">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="minimumSize">
<size>
<width>0</width>
<height>190</height>
</size>
</property>
<property name="always_show_latest" stdset="0">
<bool>true</bool>
</property>
<property name="hide_curve_selection" stdset="0">
<bool>true</bool>
</property>
<property name="hide_summary" stdset="0">
<bool>true</bool>
</property>
</widget>
</item>
</layout>
</widget>
</item>
</layout>
</widget>
<widget class="QWidget" name="tab_2">
<attribute name="title">
<string>Logbook</string>
</attribute>
<layout class="QHBoxLayout" name="horizontalLayout_4">
<property name="leftMargin">
<number>2</number>
</property>
<property name="topMargin">
<number>2</number>
</property>
<property name="rightMargin">
<number>2</number>
</property>
<property name="bottomMargin">
<number>2</number>
</property>
<item>
<widget class="WebsiteWidget" name="website_widget">
<property name="url" stdset="0">
<string>https://scilog.psi.ch/login</string>
</property>
</widget>
</item>
</layout>
</widget>
</widget>
</item>
</layout>
</widget>
</widget>
<customwidgets>
<customwidget>
<class>DapComboBox</class>
<extends>QWidget</extends>
<header>dap_combo_box</header>
</customwidget>
<customwidget>
<class>StopButton</class>
<extends>QWidget</extends>
<header>stop_button</header>
</customwidget>
<customwidget>
<class>WebsiteWidget</class>
<extends>QWidget</extends>
<header>website_widget</header>
</customwidget>
<customwidget>
<class>BECQueue</class>
<extends>QWidget</extends>
<header>bec_queue</header>
</customwidget>
<customwidget>
<class>ScanControl</class>
<extends>QWidget</extends>
<header>scan_control</header>
</customwidget>
<customwidget>
<class>ToggleSwitch</class>
<extends>QWidget</extends>
<header>toggle_switch</header>
</customwidget>
<customwidget>
<class>BECProgressBar</class>
<extends>QWidget</extends>
<header>bec_progress_bar</header>
</customwidget>
<customwidget>
<class>DarkModeButton</class>
<extends>QWidget</extends>
<header>dark_mode_button</header>
</customwidget>
<customwidget>
<class>PositionerGroup</class>
<extends>QWidget</extends>
<header>positioner_group</header>
</customwidget>
<customwidget>
<class>BECWaveformWidget</class>
<extends>QWidget</extends>
<header>bec_waveform_widget</header>
</customwidget>
<customwidget>
<class>DeviceComboBox</class>
<extends>QComboBox</extends>
<header>device_combobox</header>
</customwidget>
<customwidget>
<class>LMFitDialog</class>
<extends>QWidget</extends>
<header>lm_fit_dialog</header>
</customwidget>
<customwidget>
<class>BECStatusBox</class>
<extends>QWidget</extends>
<header>bec_status_box</header>
</customwidget>
</customwidgets>
<resources/>
<connections>
<connection>
<sender>toggle_switch</sender>
<signal>enabled(bool)</signal>
<receiver>bec_waveform_widget</receiver>
<slot>toogle_roi_select(bool)</slot>
<hints>
<hint type="sourcelabel">
<x>1042</x>
<y>212</y>
</hint>
<hint type="destinationlabel">
<x>1416</x>
<y>322</y>
</hint>
</hints>
</connection>
<connection>
<sender>bec_waveform_widget</sender>
<signal>dap_summary_update(QVariantMap,QVariantMap)</signal>
<receiver>lm_fit_dialog</receiver>
<slot>update_summary_tree(QVariantMap,QVariantMap)</slot>
<hints>
<hint type="sourcelabel">
<x>1099</x>
<y>258</y>
</hint>
<hint type="destinationlabel">
<x>1157</x>
<y>929</y>
</hint>
</hints>
</connection>
<connection>
<sender>device_combobox_2</sender>
<signal>currentTextChanged(QString)</signal>
<receiver>bec_waveform_widget</receiver>
<slot>plot(QString)</slot>
<hints>
<hint type="sourcelabel">
<x>577</x>
<y>215</y>
</hint>
<hint type="destinationlabel">
<x>1416</x>
<y>427</y>
</hint>
</hints>
</connection>
<connection>
<sender>device_combobox_2</sender>
<signal>currentTextChanged(QString)</signal>
<receiver>dap_combo_box</receiver>
<slot>select_y_axis(QString)</slot>
<hints>
<hint type="sourcelabel">
<x>577</x>
<y>215</y>
</hint>
<hint type="destinationlabel">
<x>909</x>
<y>215</y>
</hint>
</hints>
</connection>
<connection>
<sender>dap_combo_box</sender>
<signal>new_dap_config(QString,QString,QString)</signal>
<receiver>bec_waveform_widget</receiver>
<slot>add_dap(QString,QString,QString)</slot>
<hints>
<hint type="sourcelabel">
<x>909</x>
<y>215</y>
</hint>
<hint type="destinationlabel">
<x>1416</x>
<y>447</y>
</hint>
</hints>
</connection>
<connection>
<sender>scan_control</sender>
<signal>device_selected(QString)</signal>
<receiver>positioner_group</receiver>
<slot>set_positioners(QString)</slot>
<hints>
<hint type="sourcelabel">
<x>230</x>
<y>306</y>
</hint>
<hint type="destinationlabel">
<x>187</x>
<y>926</y>
</hint>
</hints>
</connection>
<connection>
<sender>scan_control</sender>
<signal>device_selected(QString)</signal>
<receiver>bec_waveform_widget</receiver>
<slot>set_x(QString)</slot>
<hints>
<hint type="sourcelabel">
<x>187</x>
<y>356</y>
</hint>
<hint type="destinationlabel">
<x>972</x>
<y>509</y>
</hint>
</hints>
</connection>
<connection>
<sender>scan_control</sender>
<signal>device_selected(QString)</signal>
<receiver>dap_combo_box</receiver>
<slot>select_x_axis(QString)</slot>
<hints>
<hint type="sourcelabel">
<x>187</x>
<y>356</y>
</hint>
<hint type="destinationlabel">
<x>794</x>
<y>202</y>
</hint>
</hints>
</connection>
</connections>
</ui>

View File

@@ -0,0 +1,84 @@
"""
Launcher for BEC GUI Applications
Application must be located in bec_widgets/applications ;
in order for the launcher to find the application, it has to be put in
a subdirectory with the same name as the main Python module:
/bec_widgets/applications
├── alignment
│ └── alignment_1d
│ └── alignment_1d.py
├── other_app
└── other_app.py
The tree above would contain 2 applications, alignment_1d and other_app.
The Python module for the application must have `if __name__ == "__main__":`
in order for the launcher to execute it (it is run with `python -m`).
"""
import argparse
import os
import sys
MODULE_PATH = os.path.dirname(__file__)
def find_apps(base_dir: str) -> list[str]:
matching_modules = []
for root, dirs, files in os.walk(base_dir):
parent_dir = os.path.basename(root)
for file in files:
if file.endswith(".py") and file != "__init__.py":
file_name_without_ext = os.path.splitext(file)[0]
if file_name_without_ext == parent_dir:
rel_path = os.path.relpath(root, base_dir)
module_path = rel_path.replace(os.sep, ".")
module_name = f"{module_path}.{file_name_without_ext}"
matching_modules.append((file_name_without_ext, module_name))
return matching_modules
def main():
parser = argparse.ArgumentParser(description="BEC application launcher")
parser.add_argument("-m", "--module", type=str, help="The module to run (string argument).")
# Add a positional argument for the module, which acts as a fallback if -m is not provided
parser.add_argument(
"positional_module",
nargs="?", # This makes the positional argument optional
help="Positional argument that is treated as module if -m is not specified.",
)
args = parser.parse_args()
# If the -m/--module is not provided, fallback to the positional argument
module = args.module if args.module else args.positional_module
if module:
for app_name, app_module in find_apps(MODULE_PATH):
if module in (app_name, app_module):
print("Starting:", app_name)
python_executable = sys.executable
# Replace the current process with the new Python module
os.execvp(
python_executable,
[python_executable, "-m", f"bec_widgets.applications.{app_module}"],
)
print(f"Error: cannot find application {module}")
# display list of apps
print("Available applications:")
for app, _ in find_apps(MODULE_PATH):
print(f" - {app}")
if __name__ == "__main__": # pragma: no cover
main()

View File

@@ -1,11 +1,9 @@
from __future__ import annotations
from bec_widgets.widgets.containers.auto_update.auto_updates import AutoUpdates
from bec_widgets.widgets.containers.dock.dock_area import BECDockArea
def dock_area(object_name: str | None = None) -> BECDockArea:
_dock_area = BECDockArea(object_name=object_name, root_widget=True)
_dock_area = BECDockArea(object_name=object_name)
return _dock_area

View File

@@ -2,11 +2,11 @@ from __future__ import annotations
import os
import xml.etree.ElementTree as ET
from typing import TYPE_CHECKING, Callable
from typing import TYPE_CHECKING
from bec_lib.logger import bec_logger
from qtpy.QtCore import Qt, Signal # type: ignore
from qtpy.QtGui import QFontMetrics, QPainter, QPainterPath, QPixmap
from qtpy.QtCore import Qt, Signal
from qtpy.QtGui import QPainter, QPainterPath, QPixmap
from qtpy.QtWidgets import (
QApplication,
QComboBox,
@@ -21,13 +21,11 @@ from qtpy.QtWidgets import (
import bec_widgets
from bec_widgets.cli.rpc.rpc_register import RPCRegister
from bec_widgets.utils.bec_plugin_helper import get_all_plugin_widgets
from bec_widgets.utils.container_utils import WidgetContainerUtils
from bec_widgets.utils.error_popups import SafeSlot
from bec_widgets.utils.name_utils import pascal_to_snake
from bec_widgets.utils.plugin_utils import get_plugin_auto_updates
from bec_widgets.utils.round_frame import RoundedFrame
from bec_widgets.utils.toolbars.toolbar import ModularToolBar
from bec_widgets.utils.toolbar import ModularToolBar
from bec_widgets.utils.ui_loader import UILoader
from bec_widgets.widgets.containers.auto_update.auto_updates import AutoUpdates
from bec_widgets.widgets.containers.dock.dock_area import BECDockArea
@@ -37,14 +35,11 @@ from bec_widgets.widgets.utility.visual.dark_mode_button.dark_mode_button import
if TYPE_CHECKING: # pragma: no cover
from qtpy.QtCore import QObject
from bec_widgets.utils.bec_widget import BECWidget
logger = bec_logger.logger
MODULE_PATH = os.path.dirname(bec_widgets.__file__)
class LaunchTile(RoundedFrame):
DEFAULT_SIZE = (250, 300)
open_signal = Signal()
def __init__(
@@ -55,15 +50,9 @@ class LaunchTile(RoundedFrame):
main_label: str | None = None,
description: str | None = None,
show_selector: bool = False,
tile_size: tuple[int, int] | None = None,
):
super().__init__(parent=parent, orientation="vertical")
# Provide a perinstance TILE_SIZE so the class can compute layout
if tile_size is None:
tile_size = self.DEFAULT_SIZE
self.tile_size = tile_size
self.icon_label = QLabel(parent=self)
self.icon_label.setFixedSize(100, 100)
self.icon_label.setScaledContents(True)
@@ -94,26 +83,12 @@ class LaunchTile(RoundedFrame):
# Main label
self.main_label = QLabel(main_label)
# Desired default appearance
font_main = self.main_label.font()
font_main.setPointSize(14)
font_main.setBold(True)
self.main_label.setFont(font_main)
self.main_label.setWordWrap(True)
self.main_label.setAlignment(Qt.AlignCenter)
# Shrink font if the default would wrap on this platform / DPI
content_width = (
self.tile_size[0]
- self.layout.contentsMargins().left()
- self.layout.contentsMargins().right()
)
self._fit_label_to_width(self.main_label, content_width)
# Give every tile the same reserved height for the title so the
# description labels start at an identical yoffset.
self.main_label.setFixedHeight(QFontMetrics(self.main_label.font()).height() + 2)
self.layout.addWidget(self.main_label)
self.spacer_top = QSpacerItem(0, 10, QSizePolicy.Fixed, QSizePolicy.Fixed)
@@ -154,29 +129,6 @@ class LaunchTile(RoundedFrame):
)
self.layout.addWidget(self.action_button, alignment=Qt.AlignCenter)
def _fit_label_to_width(self, label: QLabel, max_width: int, min_pt: int = 10):
"""
Fit the label text to the specified maximum width by adjusting the font size.
Args:
label(QLabel): The label to adjust.
max_width(int): The maximum width the label can occupy.
min_pt(int): The minimum font point size to use.
"""
font = label.font()
for pt in range(font.pointSize(), min_pt - 1, -1):
font.setPointSize(pt)
metrics = QFontMetrics(font)
if metrics.horizontalAdvance(label.text()) <= max_width:
label.setFont(font)
label.setWordWrap(False)
return
# If nothing fits, fall back to eliding
metrics = QFontMetrics(font)
label.setFont(font)
label.setWordWrap(False)
label.setText(metrics.elidedText(label.text(), Qt.ElideRight, max_width))
class LaunchWindow(BECMainWindow):
RPC = True
@@ -189,15 +141,12 @@ class LaunchWindow(BECMainWindow):
super().__init__(parent=parent, gui_id=gui_id, window_title=window_title, **kwargs)
self.app = QApplication.instance()
self.tiles: dict[str, LaunchTile] = {}
# Track the smallest mainlabel font size chosen so far
self._min_main_label_pt: int | None = None
# Toolbar
self.dark_mode_button = DarkModeButton(parent=self, toolbar=True)
self.toolbar = ModularToolBar(parent=self)
self.addToolBar(Qt.TopToolBarArea, self.toolbar)
self.spacer = QWidget(self)
self.spacer = QWidget()
self.spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.toolbar.addWidget(self.spacer)
self.toolbar.addWidget(self.dark_mode_button)
@@ -207,124 +156,53 @@ class LaunchWindow(BECMainWindow):
self.central_widget.layout = QHBoxLayout(self.central_widget)
self.setCentralWidget(self.central_widget)
self.register_tile(
name="dock_area",
self.tile_dock_area = LaunchTile(
icon_path=os.path.join(MODULE_PATH, "assets", "app_icons", "bec_widgets_icon.png"),
top_label="Get started",
main_label="BEC Dock Area",
description="Highly flexible and customizable dock area application with modular widgets.",
action_button=lambda: self.launch("dock_area"),
show_selector=False,
)
self.tile_dock_area.setFixedSize(*self.TILE_SIZE)
self.available_auto_updates: dict[str, type[AutoUpdates]] = (
self._update_available_auto_updates()
)
self.register_tile(
name="auto_update",
self.tile_auto_update = LaunchTile(
icon_path=os.path.join(MODULE_PATH, "assets", "app_icons", "auto_update.png"),
top_label="Get automated",
main_label="BEC Auto Update Dock Area",
description="Dock area with auto update functionality for BEC widgets plotting.",
action_button=self._open_auto_update,
show_selector=True,
selector_items=list(self.available_auto_updates.keys()) + ["Default"],
)
self.tile_auto_update.setFixedSize(*self.TILE_SIZE)
self.register_tile(
name="custom_ui_file",
self.tile_ui_file = LaunchTile(
icon_path=os.path.join(MODULE_PATH, "assets", "app_icons", "ui_loader_tile.png"),
top_label="Get customized",
main_label="Launch Custom UI File",
description="GUI application with custom UI file.",
action_button=self._open_custom_ui_file,
show_selector=False,
)
self.tile_ui_file.setFixedSize(*self.TILE_SIZE)
# plugin widgets
self.available_widgets: dict[str, type[BECWidget]] = get_all_plugin_widgets().as_dict()
if self.available_widgets:
plugin_repo_name = next(iter(self.available_widgets.values())).__module__.split(".")[0]
plugin_repo_name = plugin_repo_name.removesuffix("_bec").upper()
self.register_tile(
name="widget",
icon_path=os.path.join(
MODULE_PATH, "assets", "app_icons", "widget_launch_tile.png"
),
top_label="Get quickly started",
main_label=f"Launch a {plugin_repo_name} Widget",
description=f"GUI application with one widget from the {plugin_repo_name} repository.",
action_button=self._open_widget,
show_selector=True,
selector_items=list(self.available_widgets.keys()),
)
# Add tiles to the main layout
self.central_widget.layout.addWidget(self.tile_dock_area)
self.central_widget.layout.addWidget(self.tile_auto_update)
self.central_widget.layout.addWidget(self.tile_ui_file)
# hacky solution no time to waste
self.tiles = [self.tile_dock_area, self.tile_auto_update, self.tile_ui_file]
# Connect signals
self.tile_dock_area.action_button.clicked.connect(lambda: self.launch("dock_area"))
self.tile_auto_update.action_button.clicked.connect(self._open_auto_update)
self.tile_ui_file.action_button.clicked.connect(self._open_custom_ui_file)
self._update_theme()
self.register = RPCRegister()
self.register.callbacks.append(self._turn_off_the_lights)
self.register.broadcast()
def register_tile(
self,
name: str,
icon_path: str | None = None,
top_label: str | None = None,
main_label: str | None = None,
description: str | None = None,
action_button: Callable | None = None,
show_selector: bool = False,
selector_items: list[str] | None = None,
):
"""
Register a tile in the launcher window.
Args:
name(str): The name of the tile.
icon_path(str): The path to the icon.
top_label(str): The top label of the tile.
main_label(str): The main label of the tile.
description(str): The description of the tile.
action_button(callable): The action to be performed when the button is clicked.
show_selector(bool): Whether to show a selector or not.
selector_items(list[str]): The items to be shown in the selector.
"""
tile = LaunchTile(
icon_path=icon_path,
top_label=top_label,
main_label=main_label,
description=description,
show_selector=show_selector,
tile_size=self.TILE_SIZE,
# Auto updates
self.available_auto_updates: dict[str, type[AutoUpdates]] = (
self._update_available_auto_updates()
)
tile.setFixedWidth(self.TILE_SIZE[0])
tile.setMinimumHeight(self.TILE_SIZE[1])
tile.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.MinimumExpanding)
if action_button:
tile.action_button.clicked.connect(action_button)
if show_selector and selector_items:
tile.selector.addItems(selector_items)
self.central_widget.layout.addWidget(tile)
# keep all tiles' main labels at a unified point size
current_pt = tile.main_label.font().pointSize()
if self._min_main_label_pt is None or current_pt < self._min_main_label_pt:
# New global minimum shrink every existing tile to this size
self._min_main_label_pt = current_pt
for t in self.tiles.values():
f = t.main_label.font()
f.setPointSize(self._min_main_label_pt)
t.main_label.setFont(f)
t.main_label.setFixedHeight(QFontMetrics(f).height() + 2)
elif current_pt > self._min_main_label_pt:
# Tile is larger than global minimum shrink it to match
f = tile.main_label.font()
f.setPointSize(self._min_main_label_pt)
tile.main_label.setFont(f)
tile.main_label.setFixedHeight(QFontMetrics(f).height() + 2)
self.tiles[name] = tile
if self.tile_auto_update.selector is not None:
self.tile_auto_update.selector.addItems(
list(self.available_auto_updates.keys()) + ["Default"]
)
def launch(
self,
@@ -332,7 +210,7 @@ class LaunchWindow(BECMainWindow):
name: str | None = None,
geometry: tuple[int, int, int, int] | None = None,
**kwargs,
) -> QWidget | None:
) -> QWidget:
"""Launch the specified script. If the launch script creates a QWidget, it will be
embedded in a BECMainWindow. If the launch script creates a BECMainWindow, it will be shown
as a separate window.
@@ -353,8 +231,6 @@ class LaunchWindow(BECMainWindow):
raise ValueError(
f"Name {name} must be unique for dock areas, but already exists: {existing_dock_areas}."
)
WidgetContainerUtils.raise_for_invalid_name(name)
else:
name = "dock_area"
name = WidgetContainerUtils.generate_unique_name(name, existing_dock_areas)
@@ -366,20 +242,12 @@ class LaunchWindow(BECMainWindow):
if launch_script == "custom_ui_file":
ui_file = kwargs.pop("ui_file", None)
if not ui_file:
return None
return self._launch_custom_ui_file(ui_file)
if launch_script == "auto_update":
auto_update = kwargs.pop("auto_update", None)
return self._launch_auto_update(auto_update)
if launch_script == "widget":
widget = kwargs.pop("widget", None)
if widget is None:
raise ValueError("Widget name must be provided.")
return self._launch_widget(widget)
launch = getattr(bw_launch, launch_script, None)
if launch is None:
raise ValueError(f"Launch script {launch_script} not found.")
@@ -397,7 +265,6 @@ class LaunchWindow(BECMainWindow):
else:
window = BECMainWindow()
window.setCentralWidget(result_widget)
window.setWindowTitle(f"BEC - {result_widget.objectName()}")
window.show()
return result_widget
@@ -407,8 +274,6 @@ class LaunchWindow(BECMainWindow):
raise ValueError("UI file must be provided for custom UI file launch.")
filename = os.path.basename(ui_file).split(".")[0]
WidgetContainerUtils.raise_for_invalid_name(filename)
tree = ET.parse(ui_file)
root = tree.getroot()
# Check if the top-level widget is a QMainWindow
@@ -446,28 +311,11 @@ class LaunchWindow(BECMainWindow):
window.show()
return window
def _launch_widget(self, widget: type[BECWidget]) -> QWidget:
name = pascal_to_snake(widget.__name__)
WidgetContainerUtils.raise_for_invalid_name(name)
window = BECMainWindow()
widget_instance = widget(root_widget=True, object_name=name)
assert isinstance(widget_instance, QWidget)
QApplication.processEvents()
window.setCentralWidget(widget_instance)
window.resize(window.minimumSizeHint())
window.setWindowTitle(f"BEC - {widget_instance.objectName()}")
window.show()
return window
def apply_theme(self, theme: str):
"""
Change the theme of the application.
"""
for tile in self.tiles.values():
for tile in self.tiles:
tile.apply_theme(theme)
super().apply_theme(theme)
@@ -476,25 +324,14 @@ class LaunchWindow(BECMainWindow):
"""
Open the auto update window.
"""
if self.tiles["auto_update"].selector is None:
if self.tile_auto_update.selector is None:
auto_update = None
else:
auto_update = self.tiles["auto_update"].selector.currentText()
auto_update = self.tile_auto_update.selector.currentText()
if auto_update == "Default":
auto_update = None
return self.launch("auto_update", auto_update=auto_update)
def _open_widget(self):
"""
Open a widget from the available widgets.
"""
if self.tiles["widget"].selector is None:
return
widget = self.tiles["widget"].selector.currentText()
if widget not in self.available_widgets:
raise ValueError(f"Widget {widget} not found in available widgets.")
return self.launch("widget", widget=self.available_widgets[widget])
@SafeSlot(popup_error=True)
def _open_custom_ui_file(self):
"""
@@ -534,45 +371,6 @@ class LaunchWindow(BECMainWindow):
super().showEvent(event)
self.setFixedSize(self.size())
def _launcher_is_last_widget(self, connections: dict) -> bool:
"""
Check if the launcher is the last widget in the application.
"""
remaining_connections = [
connection for connection in connections.values() if connection.parent_id != self.gui_id
]
return len(remaining_connections) <= 4
def _turn_off_the_lights(self, connections: dict):
"""
If there is only one connection remaining, it is the launcher, so we show it.
Once the launcher is closed as the last window, we quit the application.
"""
if self._launcher_is_last_widget(connections):
self.show()
self.activateWindow()
self.raise_()
if self.app:
self.app.setQuitOnLastWindowClosed(True) # type: ignore
return
self.hide()
if self.app:
self.app.setQuitOnLastWindowClosed(False) # type: ignore
def closeEvent(self, event):
"""
Close the launcher window.
"""
connections = self.register.list_all_connections()
if self._launcher_is_last_widget(connections):
event.accept()
return
event.ignore()
self.hide()
if __name__ == "__main__":
import sys

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@@ -20,7 +20,6 @@ from rich.table import Table
import bec_widgets.cli.client as client
from bec_widgets.cli.rpc.rpc_base import RPCBase, RPCReference
from bec_widgets.utils.serialization import register_serializer_extension
if TYPE_CHECKING: # pragma: no cover
from bec_lib.messages import GUIRegistryStateMessage
@@ -32,8 +31,7 @@ logger = bec_logger.logger
IGNORE_WIDGETS = ["LaunchWindow"]
RegistryState: TypeAlias = dict[
Literal["gui_id", "name", "widget_class", "config", "__rpc__", "container_proxy"],
str | bool | dict,
Literal["gui_id", "name", "widget_class", "config", "__rpc__"], str | bool | dict
]
# pylint: disable=redefined-outer-scope
@@ -216,7 +214,6 @@ class BECGuiClient(RPCBase):
self._server_registry: dict[str, RegistryState] = {}
self._ipython_registry: dict[str, RPCReference] = {}
self.available_widgets = AvailableWidgetsNamespace()
register_serializer_extension()
####################
#### Client API ####
@@ -278,8 +275,6 @@ class BECGuiClient(RPCBase):
name: str | None = None,
wait: bool = True,
geometry: tuple[int, int, int, int] | None = None,
launch_script: str = "dock_area",
**kwargs,
) -> client.BECDockArea:
"""Create a new top-level dock area.
@@ -295,11 +290,11 @@ class BECGuiClient(RPCBase):
if wait:
with wait_for_server(self):
widget = self.launcher._run_rpc(
"launch", launch_script=launch_script, name=name, geometry=geometry, **kwargs
"launch", "dock_area", name, geometry
) # pylint: disable=protected-access
return widget
widget = self.launcher._run_rpc(
"launch", launch_script=launch_script, name=name, geometry=geometry, **kwargs
"new_dock_area", name, geometry
) # pylint: disable=protected-access
return widget

View File

@@ -40,8 +40,6 @@ class ClientGenerator:
"""import enum
import inspect
import traceback
from functools import reduce
from operator import add
from typing import Literal, Optional
"""
if self._base
@@ -111,7 +109,7 @@ _Widgets = {
self.content += """
try:
_plugin_widgets = get_all_plugin_widgets().as_dict()
_plugin_widgets = get_all_plugin_widgets()
plugin_client = get_plugin_client_module()
Widgets = _WidgetsEnumType("Widgets", {name: name for name in _plugin_widgets} | _Widgets)
@@ -223,18 +221,18 @@ class {class_name}(RPCBase):"""
# Combine header and content, then format with black
full_content = self.header + "\n" + self.content
try:
formatted_content = black.format_str(full_content, mode=black.Mode(line_length=100))
formatted_content = black.format_str(full_content, mode=black.FileMode(line_length=100))
except black.NothingChanged:
formatted_content = full_content
config = isort.Config(
isort.Config(
profile="black",
line_length=100,
multi_line_output=3,
include_trailing_comma=False,
include_trailing_comma=True,
known_first_party=["bec_widgets"],
)
formatted_content = isort.code(formatted_content, config=config)
formatted_content = isort.code(formatted_content)
with open(file_name, "w", encoding="utf-8") as file:
file.write(formatted_content)
@@ -317,7 +315,4 @@ def main():
if __name__ == "__main__": # pragma: no cover
import sys
sys.argv = ["bw-generate-cli", "--target", "bec_widgets"]
main()

View File

@@ -130,7 +130,6 @@ class RPCBase:
config: dict | None = None,
object_name: str | None = None,
parent=None,
**kwargs,
) -> None:
self._client = BECClient() # BECClient is a singleton; here, we simply get the instance
self._config = config if config is not None else {}
@@ -145,21 +144,21 @@ class RPCBase:
def __repr__(self):
type_ = type(self)
qualname = type_.__qualname__
return f"<{qualname} with name: {self.object_name}>"
return f"<{qualname} with name: {self.widget_name}>"
def remove(self):
"""
Remove the widget.
"""
obj = self._root._server_registry.get(self._gui_id)
if obj is None:
raise ValueError(f"Widget {self._gui_id} not found.")
if proxy := obj.get("container_proxy"):
assert isinstance(proxy, str)
self._run_rpc("remove", gui_id=proxy)
return
self._run_rpc("remove")
@property
def widget_name(self):
"""
Get the widget name.
"""
return self.object_name
@property
def _root(self) -> BECGuiClient:
"""
@@ -172,15 +171,7 @@ class RPCBase:
parent = parent._parent
return parent # type: ignore
def _run_rpc(
self,
method,
*args,
wait_for_rpc_response=True,
timeout=5,
gui_id: str | None = None,
**kwargs,
) -> Any:
def _run_rpc(self, method, *args, wait_for_rpc_response=True, timeout=5, **kwargs) -> Any:
"""
Run the RPC call.
@@ -188,8 +179,6 @@ class RPCBase:
method: The method to call.
args: The arguments to pass to the method.
wait_for_rpc_response: Whether to wait for the RPC response.
timeout: The timeout for the RPC response.
gui_id: The GUI ID to use for the RPC call. If None, the default GUI ID is used.
kwargs: The keyword arguments to pass to the method.
Returns:
@@ -198,7 +187,7 @@ class RPCBase:
request_id = str(uuid.uuid4())
rpc_msg = messages.GUIInstructionMessage(
action=method,
parameter={"args": args, "kwargs": kwargs, "gui_id": gui_id or self._gui_id},
parameter={"args": args, "kwargs": kwargs, "gui_id": self._gui_id},
metadata={"request_id": request_id},
)
# pylint: disable=protected-access

View File

@@ -31,9 +31,10 @@ class RPCWidgetHandler:
Returns:
None
"""
self._widget_classes = (
get_custom_classes("bec_widgets") + get_all_plugin_widgets()
).as_dict(IGNORE_WIDGETS)
clss = get_custom_classes("bec_widgets")
self._widget_classes = get_all_plugin_widgets() | {
cls.__name__: cls for cls in clss.widgets if cls.__name__ not in IGNORE_WIDGETS
}
def create_widget(self, widget_type, **kwargs) -> BECWidget:
"""

View File

@@ -6,6 +6,7 @@ import os
import signal
import sys
from contextlib import redirect_stderr, redirect_stdout
from typing import cast
from bec_lib.logger import bec_logger
from bec_lib.service_config import ServiceConfig
@@ -27,6 +28,7 @@ class SimpleFileLikeFromLogOutputFunc:
def __init__(self, log_func):
self._log_func = log_func
self._buffer = []
self.encoding = "utf8"
def write(self, buffer):
self._buffer.append(buffer)
@@ -37,10 +39,6 @@ class SimpleFileLikeFromLogOutputFunc:
self._log_func(lines)
self._buffer = [remaining]
@property
def encoding(self):
return "utf-8"
def close(self):
return
@@ -86,6 +84,29 @@ class GUIServer:
service_config = ServiceConfig()
return service_config
def _turn_off_the_lights(self, connections: dict):
"""
If there is only one connection remaining, it is the launcher, so we show it.
Once the launcher is closed as the last window, we quit the application.
"""
self.launcher_window = cast(LaunchWindow, self.launcher_window)
remaining_connections = [
connection
for connection in connections.values()
if connection.parent_id != self.launcher_window.gui_id
]
if len(remaining_connections) <= 1:
self.launcher_window.show()
self.launcher_window.activateWindow()
self.launcher_window.raise_()
if self.app:
self.app.setQuitOnLastWindowClosed(True)
else:
self.launcher_window.hide()
if self.app:
self.app.setQuitOnLastWindowClosed(False)
def _run(self):
"""
Run the GUI server.
@@ -105,6 +126,10 @@ class GUIServer:
self.app.aboutToQuit.connect(self.shutdown)
self.app.setQuitOnLastWindowClosed(False)
register = RPCRegister()
register.callbacks.append(self._turn_off_the_lights)
register.broadcast()
if self.gui_class:
# If the server is started with a specific gui class, we launch it.
# This will automatically hide the launcher.

View File

@@ -44,21 +44,21 @@ class JupyterConsoleWindow(QWidget): # pragma: no cover:
"wh": wh,
"dock": self.dock,
"im": self.im,
# "mi": self.mi,
# "mm": self.mm,
# "lm": self.lm,
# "btn1": self.btn1,
# "btn2": self.btn2,
# "btn3": self.btn3,
# "btn4": self.btn4,
# "btn5": self.btn5,
# "btn6": self.btn6,
# "pb": self.pb,
# "pi": self.pi,
# "wf": self.wf,
# "scatter": self.scatter,
# "scatter_mi": self.scatter,
# "mwf": self.mwf,
"mi": self.mi,
"mm": self.mm,
"lm": self.lm,
"btn1": self.btn1,
"btn2": self.btn2,
"btn3": self.btn3,
"btn4": self.btn4,
"btn5": self.btn5,
"btn6": self.btn6,
"pb": self.pb,
"pi": self.pi,
"wf": self.wf,
"scatter": self.scatter,
"scatter_mi": self.scatter,
"mwf": self.mwf,
}
)
@@ -77,76 +77,76 @@ class JupyterConsoleWindow(QWidget): # pragma: no cover:
first_tab_layout.addWidget(self.dock)
tab_widget.addTab(first_tab, "Dock Area")
# third_tab = QWidget()
# third_tab_layout = QVBoxLayout(third_tab)
# self.lm = LayoutManagerWidget()
# third_tab_layout.addWidget(self.lm)
# tab_widget.addTab(third_tab, "Layout Manager Widget")
#
# fourth_tab = QWidget()
# fourth_tab_layout = QVBoxLayout(fourth_tab)
# self.pb = PlotBase()
# self.pi = self.pb.plot_item
# fourth_tab_layout.addWidget(self.pb)
# tab_widget.addTab(fourth_tab, "PlotBase")
#
# tab_widget.setCurrentIndex(3)
#
third_tab = QWidget()
third_tab_layout = QVBoxLayout(third_tab)
self.lm = LayoutManagerWidget()
third_tab_layout.addWidget(self.lm)
tab_widget.addTab(third_tab, "Layout Manager Widget")
fourth_tab = QWidget()
fourth_tab_layout = QVBoxLayout(fourth_tab)
self.pb = PlotBase()
self.pi = self.pb.plot_item
fourth_tab_layout.addWidget(self.pb)
tab_widget.addTab(fourth_tab, "PlotBase")
tab_widget.setCurrentIndex(3)
group_box = QGroupBox("Jupyter Console", splitter)
group_box_layout = QVBoxLayout(group_box)
self.console = BECJupyterConsole(inprocess=True)
group_box_layout.addWidget(self.console)
#
# # Some buttons for layout testing
# self.btn1 = QPushButton("Button 1")
# self.btn2 = QPushButton("Button 2")
# self.btn3 = QPushButton("Button 3")
# self.btn4 = QPushButton("Button 4")
# self.btn5 = QPushButton("Button 5")
# self.btn6 = QPushButton("Button 6")
#
# fifth_tab = QWidget()
# fifth_tab_layout = QVBoxLayout(fifth_tab)
# self.wf = Waveform()
# fifth_tab_layout.addWidget(self.wf)
# tab_widget.addTab(fifth_tab, "Waveform Next Gen")
# tab_widget.setCurrentIndex(4)
#
# Some buttons for layout testing
self.btn1 = QPushButton("Button 1")
self.btn2 = QPushButton("Button 2")
self.btn3 = QPushButton("Button 3")
self.btn4 = QPushButton("Button 4")
self.btn5 = QPushButton("Button 5")
self.btn6 = QPushButton("Button 6")
fifth_tab = QWidget()
fifth_tab_layout = QVBoxLayout(fifth_tab)
self.wf = Waveform()
fifth_tab_layout.addWidget(self.wf)
tab_widget.addTab(fifth_tab, "Waveform Next Gen")
tab_widget.setCurrentIndex(4)
sixth_tab = QWidget()
sixth_tab_layout = QVBoxLayout(sixth_tab)
self.im = Image(popups=True)
self.im = Image()
self.mi = self.im.main_image
sixth_tab_layout.addWidget(self.im)
tab_widget.addTab(sixth_tab, "Image Next Gen")
tab_widget.setCurrentIndex(1)
#
# seventh_tab = QWidget()
# seventh_tab_layout = QVBoxLayout(seventh_tab)
# self.scatter = ScatterWaveform()
# self.scatter_mi = self.scatter.main_curve
# self.scatter.plot("samx", "samy", "bpm4i")
# seventh_tab_layout.addWidget(self.scatter)
# tab_widget.addTab(seventh_tab, "Scatter Waveform")
# tab_widget.setCurrentIndex(6)
#
# eighth_tab = QWidget()
# eighth_tab_layout = QVBoxLayout(eighth_tab)
# self.mm = MotorMap()
# eighth_tab_layout.addWidget(self.mm)
# tab_widget.addTab(eighth_tab, "Motor Map")
# tab_widget.setCurrentIndex(7)
#
# ninth_tab = QWidget()
# ninth_tab_layout = QVBoxLayout(ninth_tab)
# self.mwf = MultiWaveform()
# ninth_tab_layout.addWidget(self.mwf)
# tab_widget.addTab(ninth_tab, "MultiWaveform")
# tab_widget.setCurrentIndex(8)
#
# # add stuff to the new Waveform widget
# self._init_waveform()
#
# self.setWindowTitle("Jupyter Console Window")
tab_widget.setCurrentIndex(5)
seventh_tab = QWidget()
seventh_tab_layout = QVBoxLayout(seventh_tab)
self.scatter = ScatterWaveform()
self.scatter_mi = self.scatter.main_curve
self.scatter.plot("samx", "samy", "bpm4i")
seventh_tab_layout.addWidget(self.scatter)
tab_widget.addTab(seventh_tab, "Scatter Waveform")
tab_widget.setCurrentIndex(6)
eighth_tab = QWidget()
eighth_tab_layout = QVBoxLayout(eighth_tab)
self.mm = MotorMap()
eighth_tab_layout.addWidget(self.mm)
tab_widget.addTab(eighth_tab, "Motor Map")
tab_widget.setCurrentIndex(7)
ninth_tab = QWidget()
ninth_tab_layout = QVBoxLayout(ninth_tab)
self.mwf = MultiWaveform()
ninth_tab_layout.addWidget(self.mwf)
tab_widget.addTab(ninth_tab, "MultiWaveform")
tab_widget.setCurrentIndex(8)
# add stuff to the new Waveform widget
self._init_waveform()
self.setWindowTitle("Jupyter Console Window")
def _init_waveform(self):
self.wf.plot(y_name="bpm4i", y_entry="bpm4i", dap="GaussianModel")
@@ -174,7 +174,7 @@ if __name__ == "__main__": # pragma: no cover
icon = material_icon("terminal", color=(255, 255, 255, 255), filled=True)
app.setWindowIcon(icon)
bec_dispatcher = BECDispatcher(gui_id="jupyter_console")
bec_dispatcher = BECDispatcher()
client = bec_dispatcher.client
client.start()

View File

@@ -19,7 +19,7 @@ class FakeDevice(BECDevice):
"readoutPriority": "baseline",
"deviceClass": "ophyd.Device",
"deviceConfig": {},
"deviceTags": {"user device"},
"deviceTags": ["user device"],
"enabled": enabled,
"readOnly": False,
"name": self.name,
@@ -89,28 +89,16 @@ class FakePositioner(BECPositioner):
"readoutPriority": "baseline",
"deviceClass": "ophyd_devices.SimPositioner",
"deviceConfig": {"delay": 1, "tolerance": 0.01, "update_frequency": 400},
"deviceTags": {"user motors"},
"deviceTags": ["user motors"],
"enabled": enabled,
"readOnly": False,
"name": self.name,
}
self._info = {
"signals": {
"readback": {
"kind_str": "hinted",
"component_name": "readback",
"obj_name": self.name,
}, # hinted
"setpoint": {
"kind_str": "normal",
"component_name": "setpoint",
"obj_name": f"{self.name}_setpoint",
}, # normal
"velocity": {
"kind_str": "config",
"component_name": "velocity",
"obj_name": f"{self.name}_velocity",
}, # config
"readback": {"kind_str": "5"}, # hinted
"setpoint": {"kind_str": "1"}, # normal
"velocity": {"kind_str": "2"}, # config
}
}
self.signals = {
@@ -196,8 +184,8 @@ class FakePositioner(BECPositioner):
class Positioner(FakePositioner):
"""just placeholder for testing embedded isinstance check in DeviceCombobox"""
def __init__(self, name="test", limits=None, read_value=1.0, enabled=True):
super().__init__(name, limits=limits, read_value=read_value, enabled=enabled)
def __init__(self, name="test", limits=None, read_value=1.0):
super().__init__(name, limits, read_value)
class Device(FakeDevice):
@@ -212,49 +200,10 @@ class DMMock:
self.devices = DeviceContainer()
self.enabled_devices = [device for device in self.devices if device.enabled]
def add_devices(self, devices: list):
"""
Add devices to the DeviceContainer.
Args:
devices (list): List of device instances to add.
"""
def add_devives(self, devices: list):
for device in devices:
self.devices[device.name] = device
def get_bec_signals(self, signal_class_name: str):
"""
Emulate DeviceManager.get_bec_signals for unit-tests.
For “AsyncSignal” we list every device whose readout_priority is
ReadoutPriority.ASYNC and build a minimal tuple
(device_name, signal_name, signal_info_dict) that matches the real
API shape used by Waveform._check_async_signal_found.
"""
signals: list[tuple[str, str, dict]] = []
if signal_class_name != "AsyncSignal":
return signals
for device in self.devices.values():
if getattr(device, "readout_priority", None) == ReadoutPriority.ASYNC:
device_name = device.name
signal_name = device.name # primary signal in our mocks
signal_info = {
"component_name": signal_name,
"obj_name": signal_name,
"kind_str": "hinted",
"signal_class": signal_class_name,
"metadata": {
"connected": True,
"precision": None,
"read_access": True,
"timestamp": 0.0,
"write_access": True,
},
}
signals.append((device_name, signal_name, signal_info))
return signals
DEVICES = [
FakePositioner("samx", limits=[-10, 10], read_value=2.0),

View File

@@ -3,7 +3,6 @@ from __future__ import annotations
import os
import time
import traceback
import uuid
from datetime import datetime
from typing import TYPE_CHECKING, Optional
@@ -15,7 +14,8 @@ from qtpy.QtCore import QObject, QRunnable, QThreadPool, QTimer, Signal
from qtpy.QtWidgets import QApplication
from bec_widgets.cli.rpc.rpc_register import RPCRegister
from bec_widgets.utils.error_popups import ErrorPopupUtility, SafeSlot
from bec_widgets.utils.error_popups import ErrorPopupUtility
from bec_widgets.utils.error_popups import SafeSlot as pyqtSlot
from bec_widgets.utils.widget_io import WidgetHierarchy
from bec_widgets.utils.yaml_dialog import load_yaml, load_yaml_gui, save_yaml, save_yaml_gui
@@ -85,21 +85,9 @@ class BECConnector:
gui_id: str | None = None,
object_name: str | None = None,
parent_dock: BECDock | None = None, # TODO should go away -> issue created #473
root_widget: bool = False,
parent_id: str | None = None,
**kwargs,
):
"""
BECConnector mixin class to handle BEC client and device manager.
Args:
client(BECClient, optional): The BEC client.
config(ConnectionConfig, optional): The connection configuration with specific gui id.
gui_id(str, optional): The GUI ID.
object_name(str, optional): The object name.
parent_dock(BECDock, optional): The parent dock.# TODO should go away -> issue created #473
root_widget(bool, optional): If set to True, the parent_id will be always set to None, thus enforcing that the widget is accessible as a root widget of the BECGuiClient object.
**kwargs:
"""
# Extract object_name from kwargs to not pass it to Qt class
object_name = object_name or kwargs.pop("objectName", None)
# Ensure the parent is always the first argument for QObject
@@ -111,9 +99,6 @@ class BECConnector:
self, QObject
), "BECConnector must be used with a QObject or any qt related class."
# flag to check if the object was destroyed and its cleanup was called
self._destroyed = False
# BEC related connections
self.bec_dispatcher = BECDispatcher(client=client)
self.client = self.bec_dispatcher.client if client is None else client
@@ -123,7 +108,7 @@ class BECConnector:
if not self.client in BECConnector.EXIT_HANDLERS:
# register function to clean connections at exit;
# the function depends on BECClient, and BECDispatcher
@SafeSlot()
@pyqtSlot()
def terminate(client=self.client, dispatcher=self.bec_dispatcher):
logger.info("Disconnecting", repr(dispatcher))
dispatcher.disconnect_all()
@@ -143,6 +128,7 @@ class BECConnector:
)
self.config = ConnectionConfig(widget_class=self.__class__.__name__)
self.parent_id = parent_id
# If the gui_id is passed, it should be respected. However, this should be revisted since
# the gui_id has to be unique, and may no longer be.
if gui_id:
@@ -161,8 +147,10 @@ class BECConnector:
# 2) Enforce unique objectName among siblings with the same BECConnector parent
self.setParent(parent)
if isinstance(self.parent(), QObject) and hasattr(self, "cleanup"):
self.parent().destroyed.connect(self._run_cleanup_on_deleted_parent)
if parent_id is None:
connector_parent = WidgetHierarchy._get_becwidget_ancestor(self)
if connector_parent is not None:
self.parent_id = connector_parent.gui_id
# Error popups
self.error_utility = ErrorPopupUtility()
@@ -171,48 +159,6 @@ class BECConnector:
# Store references to running workers so they're not garbage collected prematurely.
self._workers = []
# If set to True, the parent_id will be always set to None, thus enforcing that the widget is accessible as a root widget of the BECGuiClient object.
self.root_widget = root_widget
QTimer.singleShot(0, self._update_object_name)
@property
def parent_id(self) -> str | None:
try:
if self.root_widget:
return None
connector_parent = WidgetHierarchy._get_becwidget_ancestor(self)
return connector_parent.gui_id if connector_parent else None
except:
logger.error(f"Error getting parent_id for {self.__class__.__name__}")
def _run_cleanup_on_deleted_parent(self) -> None:
"""
Run cleanup on the deleted parent.
This method is called when the parent is deleted.
"""
if not hasattr(self, "cleanup"):
return
try:
if not self._destroyed:
self.cleanup()
self._destroyed = True
except Exception:
content = traceback.format_exc()
logger.info(
"Failed to run cleanup on deleted parent. "
f"This is not necessarily an error as the parent may be deleted before the child and includes already a cleanup. The following exception was raised:\n{content}"
)
def change_object_name(self, name: str) -> None:
"""
Change the object name of the widget. Unregister old name and register the new one.
Args:
name (str): The new object name.
"""
self.rpc_register.remove_rpc(self)
self.setObjectName(name.replace("-", "_").replace(" ", "_"))
QTimer.singleShot(0, self._update_object_name)
def _update_object_name(self) -> None:
@@ -282,7 +228,7 @@ class BECConnector:
if self.rpc_register.object_is_registered(self):
self.rpc_register.broadcast()
def submit_task(self, fn, *args, on_complete: SafeSlot = None, **kwargs) -> Worker:
def submit_task(self, fn, *args, on_complete: pyqtSlot = None, **kwargs) -> Worker:
"""
Submit a task to run in a separate thread. The task will run the specified
function with the provided arguments and emit the completed signal when done.
@@ -410,7 +356,7 @@ class BECConnector:
file_path = os.path.join(path, f"{self.__class__.__name__}_config.yaml")
save_yaml(file_path, self._config_dict)
# @SafeSlot(str)
# @pyqtSlot(str)
def _set_gui_id(self, gui_id: str) -> None:
"""
Set the GUI ID for the widget.
@@ -442,7 +388,7 @@ class BECConnector:
self.client = client
self.get_bec_shortcuts()
@SafeSlot(ConnectionConfig) # TODO can be also dict
@pyqtSlot(ConnectionConfig) # TODO can be also dict
def on_config_update(self, config: ConnectionConfig | dict) -> None:
"""
Update the configuration for the widget.

View File

@@ -16,9 +16,9 @@ if PYSIDE6:
from PySide6.scripts.pyside_tool import (
_extend_path_var,
init_virtual_env,
qt_tool_wrapper,
is_pyenv_python,
is_virtual_env,
qt_tool_wrapper,
ui_tool_binary,
)
@@ -78,7 +78,7 @@ def list_editable_packages() -> set[str]:
return editable_packages
def patch_designer(cmd_args: list[str] = []): # pragma: no cover
def patch_designer(): # pragma: no cover
if not PYSIDE6:
print("PYSIDE6 is not available in the environment. Cannot patch designer.")
return
@@ -119,7 +119,7 @@ def patch_designer(cmd_args: list[str] = []): # pragma: no cover
editable_packages = list_editable_packages()
for pckg in editable_packages:
_extend_path_var("PYTHONPATH", pckg, True)
qt_tool_wrapper(ui_tool_binary("designer"), cmd_args)
qt_tool_wrapper(ui_tool_binary("designer"), sys.argv[1:])
def find_plugin_paths(base_path: Path):
@@ -147,7 +147,7 @@ def set_plugin_environment_variable(plugin_paths):
# Patch the designer function
def open_designer(cmd_args: list[str] = []): # pragma: no cover
def main(): # pragma: no cover
if not PYSIDE6:
print("PYSIDE6 is not available in the environment. Exiting...")
return
@@ -160,11 +160,7 @@ def open_designer(cmd_args: list[str] = []): # pragma: no cover
set_plugin_environment_variable(plugin_paths)
patch_designer(cmd_args)
def main():
open_designer(sys.argv[1:])
patch_designer()
if __name__ == "__main__": # pragma: no cover

View File

@@ -4,9 +4,8 @@ import collections
import random
import string
from collections.abc import Callable
from typing import TYPE_CHECKING, DefaultDict, Hashable, Union
from typing import TYPE_CHECKING, Union
import louie
import redis
from bec_lib.client import BECClient
from bec_lib.logger import bec_logger
@@ -15,52 +14,30 @@ from bec_lib.service_config import ServiceConfig
from qtpy.QtCore import QObject
from qtpy.QtCore import Signal as pyqtSignal
from bec_widgets.utils.serialization import register_serializer_extension
logger = bec_logger.logger
if TYPE_CHECKING: # pragma: no cover
if TYPE_CHECKING:
from bec_lib.endpoints import EndpointInfo
from bec_widgets.utils.rpc_server import RPCServer
class QtThreadSafeCallback(QObject):
"""QtThreadSafeCallback is a wrapper around a callback function to make it thread-safe for Qt."""
cb_signal = pyqtSignal(dict, dict)
def __init__(self, cb: Callable, cb_info: dict | None = None):
"""
Initialize the QtThreadSafeCallback.
Args:
cb (Callable): The callback function to be wrapped.
cb_info (dict, optional): Additional information about the callback. Defaults to None.
"""
def __init__(self, cb):
super().__init__()
self.cb_info = cb_info
self.cb = cb
self.cb_ref = louie.saferef.safe_ref(cb)
self.cb_signal.connect(self.cb)
self.topics = set()
def __hash__(self):
# make 2 differents QtThreadSafeCallback to look
# identical when used as dictionary keys, if the
# callback is the same
return f"{id(self.cb_ref)}{self.cb_info}".__hash__()
def __eq__(self, other):
if not isinstance(other, QtThreadSafeCallback):
return False
return self.cb_ref == other.cb_ref and self.cb_info == other.cb_info
return id(self.cb)
def __call__(self, msg_content, metadata):
if self.cb_ref() is None:
# callback has been deleted
return
self.cb_signal.emit(msg_content, metadata)
@@ -107,7 +84,7 @@ class BECDispatcher:
cls,
client=None,
config: str | ServiceConfig | None = None,
gui_id: str | None = None,
gui_id: str = None,
*args,
**kwargs,
):
@@ -120,9 +97,7 @@ class BECDispatcher:
if self._initialized:
return
self._registered_slots: DefaultDict[Hashable, QtThreadSafeCallback] = (
collections.defaultdict()
)
self._slots = collections.defaultdict(set)
self.client = client
if self.client is None:
@@ -145,8 +120,6 @@ class BECDispatcher:
except redis.exceptions.ConnectionError:
logger.warning("Could not connect to Redis, skipping start of BECClient.")
register_serializer_extension()
logger.success("Initialized BECDispatcher")
self.start_cli_server(gui_id=gui_id)
@@ -163,8 +136,7 @@ class BECDispatcher:
def connect_slot(
self,
slot: Callable,
topics: EndpointInfo | str | list[EndpointInfo] | list[str],
cb_info: dict | None = None,
topics: Union[EndpointInfo, str, list[Union[EndpointInfo, str]]],
**kwargs,
) -> None:
"""Connect widget's qt slot, so that it is called on new pub/sub topic message.
@@ -172,40 +144,34 @@ class BECDispatcher:
Args:
slot (Callable): A slot method/function that accepts two inputs: content and metadata of
the corresponding pub/sub message
topics EndpointInfo | str | list[EndpointInfo] | list[str]: A topic or list of topics that can typically be acquired via bec_lib.MessageEndpoints
cb_info (dict | None): A dictionary containing information about the callback. Defaults to None.
topics (EndpointInfo | str | list): A topic or list of topics that can typically be acquired via bec_lib.MessageEndpoints
"""
qt_slot = QtThreadSafeCallback(cb=slot, cb_info=cb_info)
if qt_slot not in self._registered_slots:
self._registered_slots[qt_slot] = qt_slot
qt_slot = self._registered_slots[qt_slot]
self.client.connector.register(topics, cb=qt_slot, **kwargs)
slot = QtThreadSafeCallback(slot)
self.client.connector.register(topics, cb=slot, **kwargs)
topics_str, _ = self.client.connector._convert_endpointinfo(topics)
qt_slot.topics.update(set(topics_str))
self._slots[slot].update(set(topics_str))
def disconnect_slot(
self, slot: Callable, topics: EndpointInfo | str | list[EndpointInfo] | list[str]
):
def disconnect_slot(self, slot: Callable, topics: Union[str, list]):
"""
Disconnect a slot from a topic.
Args:
slot(Callable): The slot to disconnect
topics EndpointInfo | str | list[EndpointInfo] | list[str]: A topic or list of topics to unsub from.
topics(Union[str, list]): The topic(s) to disconnect from
"""
# find the right slot to disconnect from ;
# slot callbacks are wrapped in QtThreadSafeCallback objects,
# but the slot we receive here is the original callable
for connected_slot in self._registered_slots.values():
for connected_slot in self._slots:
if connected_slot.cb == slot:
break
else:
return
self.client.connector.unregister(topics, cb=connected_slot)
topics_str, _ = self.client.connector._convert_endpointinfo(topics)
self._registered_slots[connected_slot].topics.difference_update(set(topics_str))
if not self._registered_slots[connected_slot].topics:
del self._registered_slots[connected_slot]
self._slots[connected_slot].difference_update(set(topics_str))
if not self._slots[connected_slot]:
del self._slots[connected_slot]
def disconnect_topics(self, topics: Union[str, list]):
"""
@@ -216,16 +182,11 @@ class BECDispatcher:
"""
self.client.connector.unregister(topics)
topics_str, _ = self.client.connector._convert_endpointinfo(topics)
remove_slots = []
for connected_slot in self._registered_slots.values():
connected_slot.topics.difference_update(set(topics_str))
if not connected_slot.topics:
remove_slots.append(connected_slot)
for connected_slot in remove_slots:
self._registered_slots.pop(connected_slot, None)
for slot in list(self._slots.keys()):
slot_topics = self._slots[slot]
slot_topics.difference_update(set(topics_str))
if not slot_topics:
del self._slots[slot]
def disconnect_all(self, *args, **kwargs):
"""

View File

@@ -3,17 +3,12 @@ from __future__ import annotations
import importlib.metadata
import inspect
import pkgutil
import traceback
from importlib import util as importlib_util
from importlib.machinery import FileFinder, ModuleSpec, SourceFileLoader
from types import ModuleType
from typing import Generator
from bec_lib.logger import bec_logger
from bec_widgets.utils.plugin_utils import BECClassContainer, BECClassInfo
logger = bec_logger.logger
from bec_widgets.utils.bec_widget import BECWidget
def _submodule_specs(module: ModuleType) -> tuple[ModuleSpec | None, ...]:
@@ -26,7 +21,7 @@ def _submodule_specs(module: ModuleType) -> tuple[ModuleSpec | None, ...]:
def _loaded_submodules_from_specs(
submodule_specs: tuple[ModuleSpec | None, ...],
submodule_specs: tuple[ModuleSpec | None, ...]
) -> Generator[ModuleType, None, None]:
"""Load all submodules from the given specs."""
for submodule in (
@@ -35,12 +30,7 @@ def _loaded_submodules_from_specs(
assert isinstance(
submodule.__loader__, SourceFileLoader
), "Module found from FileFinder should have SourceFileLoader!"
try:
submodule.__loader__.exec_module(submodule)
except Exception as e:
logger.error(
f"Error loading plugin {submodule}: \n{''.join(traceback.format_exception(e))}"
)
submodule.__loader__.exec_module(submodule)
yield submodule
@@ -51,29 +41,27 @@ def _submodule_by_name(module: ModuleType, name: str):
return None
def _get_widgets_from_module(module: ModuleType) -> BECClassContainer:
"""Find any BECWidget subclasses in the given module and return them with their info."""
def _get_widgets_from_module(module: ModuleType) -> dict[str, "type[BECWidget]"]:
"""Find any BECWidget subclasses in the given module and return them with their names."""
from bec_widgets.utils.bec_widget import BECWidget # avoid circular import
classes = inspect.getmembers(
module,
predicate=lambda item: inspect.isclass(item)
and issubclass(item, BECWidget)
and item is not BECWidget,
)
return BECClassContainer(
BECClassInfo(name=k, module=module.__name__, file=module.__loader__.get_filename(), obj=v)
for k, v in classes
return dict(
inspect.getmembers(
module,
predicate=lambda item: inspect.isclass(item)
and issubclass(item, BECWidget)
and item is not BECWidget,
)
)
def _all_widgets_from_all_submods(module) -> BECClassContainer:
def _all_widgets_from_all_submods(module):
"""Recursively load submodules, find any BECWidgets, and return them all as a flat dict."""
widgets = _get_widgets_from_module(module)
if not hasattr(module, "__path__"):
return widgets
for submod in _loaded_submodules_from_specs(_submodule_specs(module)):
widgets += _all_widgets_from_all_submods(submod)
widgets.update(_all_widgets_from_all_submods(submod))
return widgets
@@ -87,16 +75,15 @@ def get_plugin_client_module() -> ModuleType | None:
return _submodule_by_name(plugin, "client") if (plugin := user_widget_plugin()) else None
def get_all_plugin_widgets() -> BECClassContainer:
def get_all_plugin_widgets() -> dict[str, "type[BECWidget]"]:
"""If there is a plugin repository installed, load all widgets from it."""
if plugin := user_widget_plugin():
return _all_widgets_from_all_submods(plugin)
else:
return BECClassContainer()
return {}
if __name__ == "__main__": # pragma: no cover
# print(get_all_plugin_widgets())
client = get_plugin_client_module()
print(get_all_plugin_widgets())
...

View File

@@ -1,6 +1,6 @@
"""This custom class is a thin wrapper around the SignalProxy class to allow signal calls to be blocked.
""" This custom class is a thin wrapper around the SignalProxy class to allow signal calls to be blocked.
Unblocking the proxy needs to be done through the slot unblock_proxy. The most likely use case for this class is
when the callback function is potentially initiating a slower progress, i.e. requesting a data analysis routine to
when the callback function is potentially initiating a slower progress, i.e. requesting a data analysis routine to
analyse data. Requesting a new fit may lead to request piling up and an overall slow done of performance. This proxy
will allow you to decide by yourself when to unblock and execute the callback again."""

View File

@@ -33,6 +33,7 @@ class BECWidget(BECConnector):
gui_id: str | None = None,
theme_update: bool = False,
parent_dock: BECDock | None = None, # TODO should go away -> issue created #473
parent_id: str | None = None,
**kwargs,
):
"""
@@ -54,7 +55,12 @@ class BECWidget(BECConnector):
"""
super().__init__(
client=client, config=config, gui_id=gui_id, parent_dock=parent_dock, **kwargs
client=client,
config=config,
gui_id=gui_id,
parent_dock=parent_dock,
parent_id=parent_id,
**kwargs,
)
if not isinstance(self, QObject):
raise RuntimeError(f"{repr(self)} is not a subclass of QWidget")
@@ -106,8 +112,6 @@ class BECWidget(BECConnector):
def closeEvent(self, event):
"""Wrap the close even to ensure the rpc_register is cleaned up."""
try:
if not self._destroyed:
self.cleanup()
self._destroyed = True
self.cleanup()
finally:
super().closeEvent(event) # pylint: disable=no-member

View File

@@ -1,13 +0,0 @@
from __future__ import annotations
from qtpy.QtCore import Signal
from qtpy.QtGui import QMouseEvent
from qtpy.QtWidgets import QLabel
class ClickableLabel(QLabel):
clicked = Signal()
def mouseReleaseEvent(self, ev: QMouseEvent) -> None:
self.clicked.emit()
return super().mouseReleaseEvent(ev)

View File

@@ -11,19 +11,16 @@ from pydantic_core import PydanticCustomError
from qtpy.QtGui import QColor
from qtpy.QtWidgets import QApplication
if TYPE_CHECKING: # pragma: no cover
if TYPE_CHECKING:
from bec_qthemes._main import AccentColors
def get_theme_name():
if QApplication.instance() is None or not hasattr(QApplication.instance(), "theme"):
return "dark"
else:
return QApplication.instance().theme.theme
def get_theme_palette():
return bec_qthemes.load_palette(get_theme_name())
if QApplication.instance() is None or not hasattr(QApplication.instance(), "theme"):
theme = "dark"
else:
theme = QApplication.instance().theme.theme
return bec_qthemes.load_palette(theme)
def get_accent_colors() -> AccentColors | None:

View File

@@ -266,5 +266,3 @@ class CompactPopupWidget(QWidget):
# to ensure proper resources cleanup
for child in self.container.findChildren(QWidget, options=Qt.FindDirectChildrenOnly):
child.close()
super().closeEvent(event)

View File

@@ -1,10 +1,11 @@
from __future__ import annotations
from typing import Any, Type
import itertools
from typing import Literal, Type
from qtpy.QtWidgets import QWidget
from bec_widgets.cli.client_utils import BECGuiClient
from bec_widgets.cli.rpc.rpc_register import RPCRegister
class WidgetContainerUtils:
@@ -72,36 +73,3 @@ class WidgetContainerUtils:
return None
else:
raise ValueError(f"No widget of class {widget_class} found.")
@staticmethod
def name_is_protected(name: str, container: Any = None) -> bool:
"""
Check if the name is not protected.
Args:
name(str): The name to be checked.
Returns:
bool: True if the name is not protected, False otherwise.
"""
if container is None:
container = BECGuiClient
gui_client_methods = set(filter(lambda x: not x.startswith("_"), dir(container)))
return name in gui_client_methods
@staticmethod
def raise_for_invalid_name(name: str, container: Any = None) -> None:
"""
Check if the name is valid. If not, raise a ValueError.
Args:
name(str): The name to be checked.
Raises:
ValueError: If the name is not valid.
"""
if not WidgetContainerUtils.has_name_valid_chars(name):
raise ValueError(
f"Name '{name}' contains invalid characters. Only alphanumeric characters, underscores, and dashes are allowed."
)
if WidgetContainerUtils.name_is_protected(name, container):
raise ValueError(f"Name '{name}' is protected. Please choose another name.")

View File

@@ -5,13 +5,9 @@ from typing import Any
import numpy as np
import pyqtgraph as pg
from qtpy.QtCore import QObject, QPointF, Qt, Signal
from qtpy.QtGui import QCursor, QTransform
from qtpy.QtCore import QObject, Qt, Signal, Slot
from qtpy.QtWidgets import QApplication
from bec_widgets.utils.error_popups import SafeSlot
from bec_widgets.widgets.plots.image.image_item import ImageItem
class CrosshairScatterItem(pg.ScatterPlotItem):
def setDownsampling(self, ds=None, auto=None, method=None):
@@ -38,21 +34,13 @@ class Crosshair(QObject):
coordinatesChanged2D = Signal(tuple)
coordinatesClicked2D = Signal(tuple)
def __init__(
self,
plot_item: pg.PlotItem,
precision: int | None = None,
*,
min_precision: int = 2,
parent=None,
):
def __init__(self, plot_item: pg.PlotItem, precision: int = 3, parent=None):
"""
Crosshair for 1D and 2D plots.
Args:
plot_item (pyqtgraph.PlotItem): The plot item to which the crosshair will be attached.
precision (int | None, optional): Fixed number of decimal places to display. If *None*, precision is chosen dynamically from the current view range.
min_precision (int, optional): The lower bound (in decimal places) used when dynamic precision is enabled. Defaults to 2.
precision (int, optional): Number of decimal places to round the coordinates to. Defaults to None.
parent (QObject, optional): Parent object for the QObject. Defaults to None.
"""
super().__init__(parent)
@@ -60,9 +48,7 @@ class Crosshair(QObject):
self.is_log_x = None
self.is_derivative = None
self.plot_item = plot_item
self._precision = precision
self._min_precision = max(0, int(min_precision)) # ensure nonnegative
self.precision = precision
self.v_line = pg.InfiniteLine(angle=90, movable=False)
self.v_line.skip_auto_range = True
self.h_line = pg.InfiniteLine(angle=0, movable=False)
@@ -99,64 +85,13 @@ class Crosshair(QObject):
self.items = []
self.marker_moved_1d = {}
self.marker_clicked_1d = {}
self.marker_2d_row = None
self.marker_2d_col = None
self.marker_2d = None
self.update_markers()
self.check_log()
self.check_derivatives()
self._connect_to_theme_change()
@property
def precision(self) -> int | None:
"""Fixed number of decimals; ``None`` enables dynamic mode."""
return self._precision
@precision.setter
def precision(self, value: int | None):
"""
Set the fixed number of decimals to display.
Args:
value(int | None): The number of decimals to display. If `None`, dynamic precision is used based on the view range.
"""
self._precision = value
@property
def min_precision(self) -> int:
"""Lower bound on decimals when dynamic precision is used."""
return self._min_precision
@min_precision.setter
def min_precision(self, value: int):
"""
Set the lower bound on decimals when dynamic precision is used.
Args:
value(int): The minimum number of decimals to display. Must be non-negative.
"""
self._min_precision = max(0, int(value))
def _current_precision(self) -> int:
"""
Get the current precision based on the view range or fixed precision.
"""
if self._precision is not None:
return self._precision
# Dynamically choose precision from the smaller visible span
view_range = self.plot_item.vb.viewRange()
x_span = abs(view_range[0][1] - view_range[0][0])
y_span = abs(view_range[1][1] - view_range[1][0])
# Ignore zero spans that can appear during initialisation
spans = [s for s in (x_span, y_span) if s > 0]
span = min(spans) if spans else 1.0
exponent = np.floor(np.log10(span)) # order of magnitude
decimals = max(0, int(-exponent) + 1)
return max(self._min_precision, decimals)
def _connect_to_theme_change(self):
"""Connect to the theme change signal."""
qapp = QApplication.instance()
@@ -164,7 +99,7 @@ class Crosshair(QObject):
qapp.theme_signal.theme_updated.connect(self._update_theme)
self._update_theme()
@SafeSlot(str)
@Slot(str)
def _update_theme(self, theme: str | None = None):
"""Update the theme."""
if theme is None:
@@ -191,7 +126,7 @@ class Crosshair(QObject):
self.coord_label.fill = pg.mkBrush(label_bg_color)
self.coord_label.border = pg.mkPen(None)
@SafeSlot(int)
@Slot(int)
def update_highlighted_curve(self, curve_index: int):
"""
Update the highlighted curve in the case of multiple curves in a plot item.
@@ -260,55 +195,13 @@ class Crosshair(QObject):
marker_clicked_list.append(marker_clicked)
self.marker_clicked_1d[name] = marker_clicked_list
elif isinstance(item, pg.ImageItem): # 2D plot
if self.marker_2d_row is not None and self.marker_2d_col is not None:
if self.marker_2d is not None:
continue
# Create horizontal ROI for row highlighting
if item.image is None:
continue
self.marker_2d_row = pg.ROI(
[0, 0], size=[item.image.shape[0], 1], pen=pg.mkPen("r", width=2), movable=False
self.marker_2d = pg.ROI(
[0, 0], size=[1, 1], pen=pg.mkPen("r", width=2), movable=False
)
self.marker_2d_row.skip_auto_range = True
if item.image_transform is not None:
self.marker_2d_row.setTransform(item.image_transform)
self.plot_item.addItem(self.marker_2d_row)
# Create vertical ROI for column highlighting
self.marker_2d_col = pg.ROI(
[0, 0], size=[1, item.image.shape[1]], pen=pg.mkPen("r", width=2), movable=False
)
if item.image_transform is not None:
self.marker_2d_col.setTransform(item.image_transform)
self.marker_2d_col.skip_auto_range = True
self.plot_item.addItem(self.marker_2d_col)
@SafeSlot()
def update_markers_on_image_change(self):
"""
Update markers when the image changes, e.g. when the
image shape or transformation changes.
"""
for item in self.items:
if not isinstance(item, pg.ImageItem):
continue
if self.marker_2d_row is not None:
self.marker_2d_row.setSize([item.image.shape[0], 1])
self.marker_2d_row.setTransform(item.image_transform)
if self.marker_2d_col is not None:
self.marker_2d_col.setSize([1, item.image.shape[1]])
self.marker_2d_col.setTransform(item.image_transform)
# Get the current mouse position
views = self.plot_item.vb.scene().views()
if not views:
return
view = views[0]
global_pos = QCursor.pos()
view_pos = view.mapFromGlobal(global_pos)
scene_pos = view.mapToScene(view_pos)
if self.plot_item.vb.sceneBoundingRect().contains(scene_pos):
plot_pt = self.plot_item.vb.mapSceneToView(scene_pos)
self.mouse_moved(manual_pos=(plot_pt.x(), plot_pt.y()))
self.marker_2d.skip_auto_range = True
self.plot_item.addItem(self.marker_2d)
def snap_to_data(
self, x: float, y: float
@@ -348,29 +241,11 @@ class Crosshair(QObject):
y_values[name] = closest_y
x_values[name] = closest_x
elif isinstance(item, pg.ImageItem): # 2D plot
name = item.objectName() or str(id(item))
name = item.config.monitor or str(id(item))
image_2d = item.image
if image_2d is None:
continue
# Map scene coordinates (plot units) back to image pixel coordinates
if item.image_transform is not None:
inv_transform, _ = item.image_transform.inverted()
xy_trans = inv_transform.map(QPointF(x, y))
else:
xy_trans = QPointF(x, y)
# Define valid pixel coordinate bounds
min_x_px, min_y_px = 0, 0
max_x_px = image_2d.shape[0] - 1 # columns
max_y_px = image_2d.shape[1] - 1 # rows
# Clip the mapped coordinates to the image bounds
px = int(np.clip(xy_trans.x(), min_x_px, max_x_px))
py = int(np.clip(xy_trans.y(), min_y_px, max_y_px))
# Store snapped pixel positions
x_values[name] = px
y_values[name] = py
# Clip the x and y values to the image dimensions to avoid out of bounds errors
y_values[name] = int(np.clip(y, 0, image_2d.shape[1] - 1))
x_values[name] = int(np.clip(x, 0, image_2d.shape[0] - 1))
if x_values and y_values:
if all(v is None for v in x_values.values()) or all(
@@ -410,74 +285,56 @@ class Crosshair(QObject):
return list_x[original_index], list_y[original_index]
@SafeSlot(object, tuple)
def mouse_moved(self, event=None, manual_pos=None):
"""
Handles the mouse moved event, updating the crosshair position and emitting signals.
def mouse_moved(self, event):
"""Handles the mouse moved event, updating the crosshair position and emitting signals.
Args:
event(object): The mouse moved event, which contains the scene position.
manual_pos(tuple, optional): A tuple containing the (x, y) coordinates to manually set the crosshair position.
event: The mouse moved event
"""
# Determine target (x, y) in *plot* coordinates
if manual_pos is not None:
x, y = manual_pos
else:
if event is None:
return # nothing to do
scene_pos = event[0] # SignalProxy bundle
if not self.plot_item.vb.sceneBoundingRect().contains(scene_pos):
return
view_pos = self.plot_item.vb.mapSceneToView(scene_pos)
x, y = view_pos.x(), view_pos.y()
# Update crosshair visuals
self.v_line.setPos(x)
self.h_line.setPos(y)
pos = event[0]
self.update_markers()
scaled_x, scaled_y = self.scale_emitted_coordinates(x, y)
self.crosshairChanged.emit((scaled_x, scaled_y))
self.positionChanged.emit((x, y))
if self.plot_item.vb.sceneBoundingRect().contains(pos):
mouse_point = self.plot_item.vb.mapSceneToView(pos)
x, y = mouse_point.x(), mouse_point.y()
self.v_line.setPos(x)
self.h_line.setPos(y)
scaled_x, scaled_y = self.scale_emitted_coordinates(mouse_point.x(), mouse_point.y())
self.crosshairChanged.emit((scaled_x, scaled_y))
self.positionChanged.emit((x, y))
snap_x_vals, snap_y_vals = self.snap_to_data(x, y)
if snap_x_vals is None or snap_y_vals is None:
return
if all(v is None for v in snap_x_vals.values()) or all(
v is None for v in snap_y_vals.values()
):
return
x_snap_values, y_snap_values = self.snap_to_data(x, y)
if x_snap_values is None or y_snap_values is None:
return
if all(v is None for v in x_snap_values.values()) or all(
v is None for v in y_snap_values.values()
):
# not sure how we got here, but just to be safe...
return
precision = self._current_precision()
for item in self.items:
if isinstance(item, pg.PlotDataItem):
name = item.name() or str(id(item))
sx, sy = snap_x_vals[name], snap_y_vals[name]
if sx is None or sy is None:
continue
self.marker_moved_1d[name].setData([sx], [sy])
sx_s, sy_s = self.scale_emitted_coordinates(sx, sy)
self.coordinatesChanged1D.emit(
(name, round(sx_s, precision), round(sy_s, precision))
)
elif isinstance(item, pg.ImageItem):
name = item.objectName() or str(id(item))
px, py = snap_x_vals[name], snap_y_vals[name]
if px is None or py is None:
continue
# Respect image transforms
if isinstance(item, ImageItem) and item.image_transform is not None:
row, col = self._get_transformed_position(px, py, item.image_transform)
self.marker_2d_row.setPos(row)
self.marker_2d_col.setPos(col)
for item in self.items:
if isinstance(item, pg.PlotDataItem):
name = item.name() or str(id(item))
x, y = x_snap_values[name], y_snap_values[name]
if x is None or y is None:
continue
self.marker_moved_1d[name].setData([x], [y])
x_snapped_scaled, y_snapped_scaled = self.scale_emitted_coordinates(x, y)
coordinate_to_emit = (
name,
round(x_snapped_scaled, self.precision),
round(y_snapped_scaled, self.precision),
)
self.coordinatesChanged1D.emit(coordinate_to_emit)
elif isinstance(item, pg.ImageItem):
name = item.config.monitor or str(id(item))
x, y = x_snap_values[name], y_snap_values[name]
if x is None or y is None:
continue
self.marker_2d.setPos([x, y])
coordinate_to_emit = (name, x, y)
self.coordinatesChanged2D.emit(coordinate_to_emit)
else:
self.marker_2d_row.setPos([0, py])
self.marker_2d_col.setPos([px, 0])
self.coordinatesChanged2D.emit((name, px, py))
continue
def mouse_clicked(self, event):
"""Handles the mouse clicked event, updating the crosshair position and emitting signals.
@@ -507,7 +364,6 @@ class Crosshair(QObject):
# not sure how we got here, but just to be safe...
return
precision = self._current_precision()
for item in self.items:
if isinstance(item, pg.PlotDataItem):
name = item.name() or str(id(item))
@@ -519,44 +375,21 @@ class Crosshair(QObject):
x_snapped_scaled, y_snapped_scaled = self.scale_emitted_coordinates(x, y)
coordinate_to_emit = (
name,
round(x_snapped_scaled, precision),
round(y_snapped_scaled, precision),
round(x_snapped_scaled, self.precision),
round(y_snapped_scaled, self.precision),
)
self.coordinatesClicked1D.emit(coordinate_to_emit)
elif isinstance(item, pg.ImageItem):
name = item.objectName() or str(id(item))
name = item.config.monitor or str(id(item))
x, y = x_snap_values[name], y_snap_values[name]
if x is None or y is None:
continue
if isinstance(item, ImageItem) and item.image_transform is not None:
row, col = self._get_transformed_position(x, y, item.image_transform)
self.marker_2d_row.setPos(row)
self.marker_2d_col.setPos(col)
else:
self.marker_2d_row.setPos([0, y])
self.marker_2d_col.setPos([x, 0])
self.marker_2d.setPos([x, y])
coordinate_to_emit = (name, x, y)
self.coordinatesClicked2D.emit(coordinate_to_emit)
else:
continue
def _get_transformed_position(
self, x: float, y: float, transform: QTransform
) -> tuple[QPointF, QPointF]:
"""
Maps the given x and y coordinates to the transformed position using the provided transform.
Args:
x (float): The x-coordinate to transform.
y (float): The y-coordinate to transform.
transform (QTransform): The transformation to apply.
"""
origin = transform.map(QPointF(0, 0))
row = transform.map(QPointF(0, y)) - origin
col = transform.map(QPointF(x, 0)) - origin
return row, col
def clear_markers(self):
"""Clears the markers from the plot."""
for marker in self.marker_moved_1d.values():
@@ -591,27 +424,14 @@ class Crosshair(QObject):
"""
x, y = pos
x_scaled, y_scaled = self.scale_emitted_coordinates(x, y)
precision = self._current_precision()
text = f"({x_scaled:.{precision}f}, {y_scaled:.{precision}f})"
text = f"({x_scaled:.{self.precision}g}, {y_scaled:.{self.precision}g})"
for item in self.items:
if isinstance(item, pg.ImageItem):
image = item.image
if image is None:
continue
if item.image_transform is not None:
inv_transform, _ = item.image_transform.inverted()
pt = inv_transform.map(QPointF(x, y))
px, py = pt.x(), pt.y()
else:
px, py = x, y
# Clip to valid pixel indices
ix = int(np.clip(px, 0, image.shape[0] - 1)) # column
iy = int(np.clip(py, 0, image.shape[1] - 1)) # row
ix = int(np.clip(x, 0, image.shape[0] - 1))
iy = int(np.clip(y, 0, image.shape[1] - 1))
intensity = image[ix, iy]
text += f"\nIntensity: {intensity:.{precision}f}"
text += f"\nIntensity: {intensity:.{self.precision}g}"
break
# Update coordinate label
self.coord_label.setText(text)
@@ -629,19 +449,12 @@ class Crosshair(QObject):
self.is_derivative = self.plot_item.ctrl.derivativeCheck.isChecked()
self.clear_markers()
@SafeSlot()
def reset(self):
"""Resets the crosshair to its initial state."""
if self.marker_2d_row is not None:
self.plot_item.removeItem(self.marker_2d_row)
self.marker_2d_row = None
if self.marker_2d_col is not None:
self.plot_item.removeItem(self.marker_2d_col)
self.marker_2d_col = None
self.clear_markers()
def cleanup(self):
self.reset()
if self.marker_2d is not None:
self.plot_item.removeItem(self.marker_2d)
self.marker_2d = None
self.plot_item.removeItem(self.v_line)
self.plot_item.removeItem(self.h_line)
self.plot_item.removeItem(self.coord_label)
self.clear_markers()

View File

@@ -17,23 +17,13 @@ class EntryValidator:
raise ValueError(f"Device '{name}' not found in current BEC session")
device = self.devices[name]
# Build list of available signal entries from device._info['signals']
signals_dict = getattr(device, "_info", {}).get("signals", {})
available_entries = [
sig.get("obj_name") for sig in signals_dict.values() if sig.get("obj_name")
]
# If no signals are found, means device is a signal, use the device name as the entry
if not available_entries:
available_entries = [name]
description = device.describe()
if entry is None or entry == "":
entry = next(iter(device._hints), name) if hasattr(device, "_hints") else name
if entry not in available_entries:
if entry not in description:
raise ValueError(
f"Entry '{entry}' not found in device '{name}' signals. "
f"Available signals: '{available_entries}'"
f"Entry '{entry}' not found in device '{name}' signals. Available signals: {description.keys()}"
)
return entry

View File

@@ -96,55 +96,23 @@ def SafeSlot(*slot_args, **slot_kwargs): # pylint: disable=invalid-name
'popup_error' keyword argument can be passed with boolean value if a dialog should pop up,
otherwise error display is left to the original exception hook
'verify_sender' keyword argument can be passed with boolean value if the sender should be verified
before executing the slot. If True, the slot will only execute if the sender is a QObject. This is
useful to prevent function calls from already deleted objects.
'raise_error' keyword argument can be passed with boolean value if the error should be raised
after the error is displayed. This is useful to propagate the error to the caller but should be used
with great care to avoid segfaults.
The keywords above are stored in a container which can be overridden by passing
'_override_slot_params' keyword argument with a dictionary containing the keywords to override.
This is useful to override the default behavior of the decorator for a specific function call.
"""
_slot_params = {
"popup_error": bool(slot_kwargs.pop("popup_error", False)),
"verify_sender": bool(slot_kwargs.pop("verify_sender", False)),
"raise_error": bool(slot_kwargs.pop("raise_error", False)),
}
popup_error = bool(slot_kwargs.pop("popup_error", False))
def error_managed(method):
@Slot(*slot_args, **slot_kwargs)
@functools.wraps(method)
def wrapper(*args, **kwargs):
_override_slot_params = kwargs.pop("_override_slot_params", {})
_slot_params.update(_override_slot_params)
try:
if not _slot_params["verify_sender"] or len(args) == 0:
return method(*args, **kwargs)
_instance = args[0]
if not isinstance(_instance, QObject):
return method(*args, **kwargs)
sender = _instance.sender()
if sender is None:
logger.info(
f"Sender is None for {method.__module__}.{method.__qualname__}, "
"skipping method call."
)
return
return method(*args, **kwargs)
except Exception:
slot_name = f"{method.__module__}.{method.__qualname__}"
error_msg = traceback.format_exc()
if _slot_params["popup_error"]:
ErrorPopupUtility().custom_exception_hook(*sys.exc_info(), popup_error=True)
if popup_error:
ErrorPopupUtility().custom_exception_hook(
*sys.exc_info(), popup_error=popup_error
)
logger.error(f"SafeSlot error in slot '{slot_name}':\n{error_msg}")
if _slot_params["raise_error"]:
raise
return wrapper

View File

@@ -1,9 +1,7 @@
from __future__ import annotations
from bec_qthemes import material_icon
from qtpy.QtCore import Signal
from qtpy.QtWidgets import (
QApplication,
QFrame,
QHBoxLayout,
QLabel,
@@ -14,20 +12,15 @@ from qtpy.QtWidgets import (
QWidget,
)
from bec_widgets.utils.clickable_label import ClickableLabel
from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
class ExpandableGroupFrame(QFrame):
expansion_state_changed = Signal()
EXPANDED_ICON_NAME: str = "collapse_all"
COLLAPSED_ICON_NAME: str = "expand_all"
def __init__(
self, parent: QWidget | None = None, title: str = "", expanded: bool = True, icon: str = ""
) -> None:
def __init__(self, title: str, parent: QWidget | None = None, expanded: bool = True) -> None:
super().__init__(parent=parent)
self._expanded = expanded
@@ -36,33 +29,19 @@ class ExpandableGroupFrame(QFrame):
self._layout = QVBoxLayout()
self._layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(self._layout)
self._title_layout = QHBoxLayout()
self._layout.addLayout(self._title_layout)
self._expansion_button = QToolButton()
self._update_icon()
self._title = QLabel(f"<b>{title}</b>")
self._title_layout.addWidget(self._expansion_button)
self._title_layout.addWidget(self._title)
self._create_title_layout(title, icon)
self._contents = QWidget(self)
self._contents = QWidget()
self._layout.addWidget(self._contents)
self._expansion_button.clicked.connect(self.switch_expanded_state)
self.expanded = self._expanded # type: ignore
self.expansion_state_changed.emit()
def _create_title_layout(self, title: str, icon: str):
self._title_layout = QHBoxLayout()
self._layout.addLayout(self._title_layout)
self._title = ClickableLabel(f"<b>{title}</b>")
self._title_icon = ClickableLabel()
self._title_layout.addWidget(self._title_icon)
self._title_layout.addWidget(self._title)
self.icon_name = icon
self._title.clicked.connect(self.switch_expanded_state)
self._title_icon.clicked.connect(self.switch_expanded_state)
self._title_layout.addStretch(1)
self._expansion_button = QToolButton()
self._update_expansion_icon()
self._title_layout.addWidget(self._expansion_button, stretch=1)
def set_layout(self, layout: QLayout) -> None:
self._contents.setLayout(layout)
@@ -71,8 +50,7 @@ class ExpandableGroupFrame(QFrame):
@SafeSlot()
def switch_expanded_state(self):
self.expanded = not self.expanded # type: ignore
self._update_expansion_icon()
self.expansion_state_changed.emit()
self._update_icon()
@SafeProperty(bool)
def expanded(self): # type: ignore
@@ -83,9 +61,8 @@ class ExpandableGroupFrame(QFrame):
self._expanded = expanded
self._contents.setVisible(expanded)
self.updateGeometry()
self.adjustSize()
def _update_expansion_icon(self):
def _update_icon(self):
self._expansion_button.setIcon(
material_icon(icon_name=self.EXPANDED_ICON_NAME, size=(10, 10), convert_to_pixmap=False)
if self.expanded
@@ -93,36 +70,3 @@ class ExpandableGroupFrame(QFrame):
icon_name=self.COLLAPSED_ICON_NAME, size=(10, 10), convert_to_pixmap=False
)
)
@SafeProperty(str)
def icon_name(self): # type: ignore
return self._title_icon_name
@icon_name.setter
def icon_name(self, icon_name: str):
self._title_icon_name = icon_name
self._set_title_icon(self._title_icon_name)
def _set_title_icon(self, icon_name: str):
if icon_name:
self._title_icon.setVisible(True)
self._title_icon.setPixmap(
material_icon(icon_name=icon_name, size=(20, 20), convert_to_pixmap=True)
)
else:
self._title_icon.setVisible(False)
# Application example
if __name__ == "__main__": # pragma: no cover
app = QApplication([])
frame = ExpandableGroupFrame()
layout = QVBoxLayout()
frame.set_layout(layout)
layout.addWidget(QLabel("test1"))
layout.addWidget(QLabel("test2"))
layout.addWidget(QLabel("test3"))
frame.show()
app.exec()

View File

@@ -8,8 +8,6 @@ from bec_lib.logger import bec_logger
from qtpy.QtCore import QStringListModel
from qtpy.QtWidgets import QComboBox, QCompleter, QLineEdit
from bec_widgets.utils.ophyd_kind_util import Kind
logger = bec_logger.logger
@@ -17,13 +15,11 @@ class WidgetFilterHandler(ABC):
"""Abstract base class for widget filter handlers"""
@abstractmethod
def set_selection(self, widget, selection: list[str | tuple]) -> None:
def set_selection(self, widget, selection: list) -> None:
"""Set the filtered_selection for the widget
Args:
widget: Widget instance
selection (list[str | tuple]): Filtered selection of items.
If tuple, it contains (text, data) pairs.
selection (list): Filtered selection of items
"""
@abstractmethod
@@ -38,37 +34,17 @@ class WidgetFilterHandler(ABC):
bool: True if the input text is in the filtered selection
"""
@abstractmethod
def update_with_kind(
self, kind: Kind, signal_filter: set, device_info: dict, device_name: str
) -> list[str | tuple]:
"""Update the selection based on the kind of signal.
Args:
kind (Kind): The kind of signal to filter.
signal_filter (set): Set of signal kinds to filter.
device_info (dict): Dictionary containing device information.
device_name (str): Name of the device.
Returns:
list[str | tuple]: A list of filtered signals based on the kind.
"""
# This method should be implemented in subclasses or extended as needed
class LineEditFilterHandler(WidgetFilterHandler):
"""Handler for QLineEdit widget"""
def set_selection(self, widget: QLineEdit, selection: list[str | tuple]) -> None:
def set_selection(self, widget: QLineEdit, selection: list) -> None:
"""Set the selection for the widget to the completer model
Args:
widget (QLineEdit): The QLineEdit widget
selection (list[str | tuple]): Filtered selection of items. If tuple, it contains (text, data) pairs.
selection (list): Filtered selection of items
"""
if isinstance(selection, tuple):
# If selection is a tuple, it contains (text, data) pairs
selection = [text for text, _ in selection]
if not isinstance(widget.completer, QCompleter):
completer = QCompleter(widget)
widget.setCompleter(completer)
@@ -88,47 +64,19 @@ class LineEditFilterHandler(WidgetFilterHandler):
model_data = [model.data(model.index(i)) for i in range(model.rowCount())]
return text in model_data
def update_with_kind(
self, kind: Kind, signal_filter: set, device_info: dict, device_name: str
) -> list[str | tuple]:
"""Update the selection based on the kind of signal.
Args:
kind (Kind): The kind of signal to filter.
signal_filter (set): Set of signal kinds to filter.
device_info (dict): Dictionary containing device information.
device_name (str): Name of the device.
Returns:
list[str | tuple]: A list of filtered signals based on the kind.
"""
return [
signal
for signal, signal_info in device_info.items()
if kind in signal_filter and (signal_info.get("kind_str", None) == str(kind.name))
]
class ComboBoxFilterHandler(WidgetFilterHandler):
"""Handler for QComboBox widget"""
def set_selection(self, widget: QComboBox, selection: list[str | tuple]) -> None:
def set_selection(self, widget: QComboBox, selection: list) -> None:
"""Set the selection for the widget to the completer model
Args:
widget (QComboBox): The QComboBox widget
selection (list[str | tuple]): Filtered selection of items. If tuple, it contains (text, data) pairs.
selection (list): Filtered selection of items
"""
widget.clear()
if len(selection) == 0:
return
for element in selection:
if isinstance(element, str):
widget.addItem(element)
elif isinstance(element, tuple):
# If element is a tuple, it contains (text, data) pairs
widget.addItem(*element)
widget.addItems(selection)
def check_input(self, widget: QComboBox, text: str) -> bool:
"""Check if the input text is in the filtered selection
@@ -142,40 +90,6 @@ class ComboBoxFilterHandler(WidgetFilterHandler):
"""
return text in [widget.itemText(i) for i in range(widget.count())]
def update_with_kind(
self, kind: Kind, signal_filter: set, device_info: dict, device_name: str
) -> list[str | tuple]:
"""Update the selection based on the kind of signal.
Args:
kind (Kind): The kind of signal to filter.
signal_filter (set): Set of signal kinds to filter.
device_info (dict): Dictionary containing device information.
device_name (str): Name of the device.
Returns:
list[str | tuple]: A list of filtered signals based on the kind.
"""
out = []
for signal, signal_info in device_info.items():
if kind not in signal_filter or (signal_info.get("kind_str", None) != str(kind.name)):
continue
obj_name = signal_info.get("obj_name", "")
component_name = signal_info.get("component_name", "")
signal_wo_device = obj_name.removeprefix(f"{device_name}_")
if not signal_wo_device:
signal_wo_device = obj_name
if signal_wo_device != signal and component_name.replace(".", "_") != signal_wo_device:
# If the object name is not the same as the signal name, we use the object name
# to display in the combobox.
out.append((f"{signal_wo_device} ({signal})", signal_info))
else:
# If the object name is the same as the signal name, we do not change it.
out.append((signal, signal_info))
return out
class FilterIO:
"""Public interface to set filters for input widgets.
@@ -185,14 +99,13 @@ class FilterIO:
_handlers = {QLineEdit: LineEditFilterHandler, QComboBox: ComboBoxFilterHandler}
@staticmethod
def set_selection(widget, selection: list[str | tuple], ignore_errors=True):
def set_selection(widget, selection: list, ignore_errors=True):
"""
Retrieve value from the widget instance.
Args:
widget: Widget instance.
selection (list[str | tuple]): Filtered selection of items.
If tuple, it contains (text, data) pairs.
selection(list): List of filtered selection items.
ignore_errors(bool, optional): Whether to ignore if no handler is found.
"""
handler_class = FilterIO._find_handler(widget)
@@ -226,35 +139,6 @@ class FilterIO:
)
return None
@staticmethod
def update_with_kind(
widget, kind: Kind, signal_filter: set, device_info: dict, device_name: str
) -> list[str | tuple]:
"""
Update the selection based on the kind of signal.
Args:
widget: Widget instance.
kind (Kind): The kind of signal to filter.
signal_filter (set): Set of signal kinds to filter.
device_info (dict): Dictionary containing device information.
device_name (str): Name of the device.
Returns:
list[str | tuple]: A list of filtered signals based on the kind.
"""
handler_class = FilterIO._find_handler(widget)
if handler_class:
return handler_class().update_with_kind(
kind=kind,
signal_filter=signal_filter,
device_info=device_info,
device_name=device_name,
)
raise ValueError(
f"No matching handler for widget type: {type(widget)} in handler list {FilterIO._handlers}"
)
@staticmethod
def _find_handler(widget):
"""

View File

@@ -1,282 +0,0 @@
from __future__ import annotations
from types import NoneType
from typing import NamedTuple
from bec_lib.logger import bec_logger
from bec_qthemes import material_icon
from pydantic import BaseModel, ValidationError
from qtpy.QtCore import Signal # type: ignore
from qtpy.QtWidgets import QApplication, QGridLayout, QLabel, QSizePolicy, QVBoxLayout, QWidget
from bec_widgets.utils.bec_widget import BECWidget
from bec_widgets.utils.compact_popup import CompactPopupWidget
from bec_widgets.utils.error_popups import SafeProperty
from bec_widgets.utils.forms_from_types import styles
from bec_widgets.utils.forms_from_types.items import (
DynamicFormItem,
DynamicFormItemType,
FormItemSpec,
widget_from_type,
)
logger = bec_logger.logger
class GridRow(NamedTuple):
i: int
label: QLabel
widget: DynamicFormItem
class TypedForm(BECWidget, QWidget):
PLUGIN = True
ICON_NAME = "list_alt"
value_changed = Signal()
RPC = True
USER_ACCESS = ["enabled", "enabled.setter"]
def __init__(
self,
parent=None,
items: list[tuple[str, type]] | None = None,
form_item_specs: list[FormItemSpec] | None = None,
enabled: bool = True,
pretty_display: bool = False,
client=None,
**kwargs,
):
"""Widget with a list of form items based on a list of types.
Args:
items (list[tuple[str, type]]): list of tuples of a name for the field and its type.
Should be a type supported by the logic in items.py
form_item_specs (list[FormItemSpec]): list of form item specs, equivalent to items.
only one of items or form_item_specs should be
supplied.
enabled (bool, optional): whether fields are enabled for editing.
pretty_display (bool, optional): Whether to use a pretty display for the widget. Defaults to False. If True, disables the widget, doesn't add a clear button, and adapts the stylesheet for non-editable display.
"""
if items is not None and form_item_specs is not None:
logger.error(
"Must specify one and only one of items and form_item_specs! Ignoring `items`."
)
items = None
if items is None and form_item_specs is None:
logger.error("Must specify one and only one of items and form_item_specs!")
items = []
super().__init__(parent=parent, client=client, **kwargs)
self._items = form_item_specs or [
FormItemSpec(name=name, item_type=item_type, pretty_display=pretty_display)
for name, item_type in items # type: ignore
]
self.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)
self._layout = QVBoxLayout()
self._layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(self._layout)
self._enabled: bool = enabled
self._form_grid_container = QWidget(parent=self)
self._form_grid_container.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)
self._form_grid = QWidget(parent=self._form_grid_container)
self._form_grid.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)
self._layout.addWidget(self._form_grid_container)
self._form_grid_container.setLayout(QVBoxLayout())
self._form_grid.setLayout(self._new_grid_layout())
self._widget_types: dict | None = None
self._widget_from_type = widget_from_type
self._post_init()
def _post_init(self):
"""Override this if a subclass should do things after super().__init__ and before populate()"""
self.populate()
self.enabled = self._enabled # type: ignore # QProperty
def populate(self):
self._clear_grid()
for r, item in enumerate(self._items):
self._add_griditem(item, r)
gl: QGridLayout = self._form_grid.layout()
gl.setRowStretch(gl.rowCount(), 1)
def _add_griditem(self, item: FormItemSpec, row: int):
grid = self._form_grid.layout()
label = QLabel(item.name)
label.setProperty("_model_field_name", item.name)
label.setToolTip(item.info.description or item.name)
grid.addWidget(label, row, 0)
widget = self._widget_from_type(item, self._widget_types)(parent=self, spec=item)
widget.valueChanged.connect(self.value_changed)
widget.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)
grid.addWidget(widget, row, 1)
def enumerate_form_widgets(self):
"""Return a generator over the rows of the form, with the row number, the label widget (to
which the field name is attached as a property "_model_field_name"), and the entry widget"""
grid: QGridLayout = self._form_grid.layout() # type: ignore
for i in range(grid.rowCount() - 1): # One extra row for stretch
yield GridRow(i, grid.itemAtPosition(i, 0).widget(), grid.itemAtPosition(i, 1).widget())
def _dict_from_grid(self) -> dict[str, DynamicFormItemType]:
return {
row.label.property("_model_field_name"): row.widget.getValue()
for row in self.enumerate_form_widgets()
}
def _clear_grid(self):
if (old_layout := self._form_grid.layout()) is not None:
while old_layout.count():
item = old_layout.takeAt(0)
widget = item.widget()
if widget is not None:
widget.deleteLater()
old_layout.deleteLater()
self._form_grid.deleteLater()
self._form_grid = QWidget()
self._form_grid.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)
self._form_grid.setLayout(self._new_grid_layout())
self._form_grid_container.layout().addWidget(self._form_grid)
self.update_size()
def update_size(self):
self._form_grid.adjustSize()
self._form_grid_container.adjustSize()
self.adjustSize()
def _new_grid_layout(self):
new_grid = QGridLayout()
new_grid.setContentsMargins(0, 0, 0, 0)
return new_grid
@property
def widget_dict(self):
return {
row.label.property("_model_field_name"): row.widget
for row in self.enumerate_form_widgets()
}
@SafeProperty(bool)
def enabled(self):
return self._enabled
@enabled.setter
def enabled(self, value: bool):
self._enabled = value
self.setEnabled(value)
class PydanticModelForm(TypedForm):
form_data_updated = Signal(dict)
form_data_cleared = Signal(NoneType)
validity_proc = Signal(bool)
def __init__(
self,
parent=None,
data_model: type[BaseModel] | None = None,
enabled: bool = True,
pretty_display: bool = False,
client=None,
**kwargs,
):
"""
A form generated from a pydantic model.
Args:
data_model (type[BaseModel]): the model class for which to generate a form.
enabled (bool, optional): whether fields are enabled for editing.
pretty_display (bool, optional): Whether to use a pretty display for the widget. Defaults to False. If True, disables the widget, doesn't add a clear button, and adapts the stylesheet for non-editable display.
"""
self._pretty_display = pretty_display
self._md_schema = data_model
super().__init__(
parent=parent,
form_item_specs=self._form_item_specs(),
enabled=enabled,
client=client,
**kwargs,
)
self._validity = CompactPopupWidget()
self._validity.compact_view = True # type: ignore
self._validity.label = "Validity" # type: ignore
self._validity.compact_show_popup.setIcon(
material_icon(icon_name="info", size=(10, 10), convert_to_pixmap=False)
)
self._validity_message = QLabel("Not yet validated")
self._validity.addWidget(self._validity_message)
self._layout.addWidget(self._validity)
self.value_changed.connect(self.validate_form)
self._connect_to_theme_change()
def set_pretty_display_theme(self, theme: str = "dark"):
if self._pretty_display:
self.setStyleSheet(styles.pretty_display_theme(theme))
def _connect_to_theme_change(self):
"""Connect to the theme change signal."""
qapp = QApplication.instance()
if hasattr(qapp, "theme_signal"):
qapp.theme_signal.theme_updated.connect(self.set_pretty_display_theme) # type: ignore
def set_schema(self, schema: type[BaseModel]):
self._md_schema = schema
self.populate()
def set_data(self, data: BaseModel):
"""Fill the data for the form.
Args:
data (BaseModel): the data to enter into the form. Must be the same type as the
currently set schema, raises TypeError otherwise."""
if not self._md_schema:
raise ValueError("Schema not set - can't set data")
if not isinstance(data, self._md_schema):
raise TypeError(f"Supplied data {data} not of type {self._md_schema}")
for form_item in self.enumerate_form_widgets():
form_item.widget.setValue(getattr(data, form_item.label.property("_model_field_name")))
def _form_item_specs(self):
return [
FormItemSpec(
name=name, info=info, item_type=info.annotation, pretty_display=self._pretty_display
)
for name, info in self._md_schema.model_fields.items()
]
def update_items_from_schema(self):
self._items = self._form_item_specs()
def populate(self):
self.update_items_from_schema()
super().populate()
def get_form_data(self):
"""Get the entered metadata as a dict."""
return self._dict_from_grid()
def validate_form(self, *_) -> bool:
"""validate the currently entered metadata against the pydantic schema.
If successful, returns on metadata_emitted and returns true.
Otherwise, emits on form_data_cleared and returns false."""
try:
metadata_dict = self.get_form_data()
self._md_schema.model_validate(metadata_dict)
self._validity.set_global_state("success")
self._validity_message.setText("No errors!")
self.form_data_updated.emit(metadata_dict)
self.validity_proc.emit(True)
return True
except ValidationError as e:
self._validity.set_global_state("emergency")
self._validity_message.setText(str(e))
self.form_data_cleared.emit(None)
self.validity_proc.emit(False)
return False

View File

@@ -1,624 +0,0 @@
from __future__ import annotations
import typing
from abc import abstractmethod
from decimal import Decimal
from types import GenericAlias, UnionType
from typing import Callable, Final, Iterable, Literal, NamedTuple, OrderedDict, get_args
from bec_lib.logger import bec_logger
from bec_qthemes import material_icon
from pydantic import BaseModel, ConfigDict, Field, field_validator
from pydantic.fields import FieldInfo
from pydantic_core import PydanticUndefined
from qtpy import QtCore
from qtpy.QtCore import QSize, Qt, Signal # type: ignore
from qtpy.QtGui import QFontMetrics
from qtpy.QtWidgets import (
QApplication,
QButtonGroup,
QCheckBox,
QComboBox,
QDoubleSpinBox,
QGridLayout,
QHBoxLayout,
QLabel,
QLayout,
QLineEdit,
QListWidget,
QListWidgetItem,
QPushButton,
QRadioButton,
QSizePolicy,
QSpinBox,
QToolButton,
QVBoxLayout,
QWidget,
)
from bec_widgets.utils.error_popups import SafeSlot
from bec_widgets.utils.widget_io import WidgetIO
from bec_widgets.widgets.editors.dict_backed_table import DictBackedTable
from bec_widgets.widgets.editors.scan_metadata._util import (
clearable_required,
field_default,
field_limits,
field_maxlen,
field_minlen,
field_precision,
)
from bec_widgets.widgets.utility.toggle.toggle import ToggleSwitch
logger = bec_logger.logger
class FormItemSpec(BaseModel):
"""
The specification for an item in a dynamically generated form. Uses a pydantic FieldInfo
to store most annotation info, since one of the main purposes is to store data for
forms genrated from pydantic models, but can also be composed from other sources or by hand.
"""
model_config = ConfigDict(arbitrary_types_allowed=True)
item_type: type | UnionType | GenericAlias
name: str
info: FieldInfo = FieldInfo()
pretty_display: bool = Field(
default=False,
description="Whether to use a pretty display for the widget. Defaults to False. If True, disables the widget, doesn't add a clear button, and adapts the stylesheet for non-editable display.",
)
@field_validator("item_type", mode="before")
@classmethod
def _validate_type(cls, v):
allowed_primitives = [str, int, float, bool]
if isinstance(v, (type, UnionType)):
return v
if isinstance(v, GenericAlias):
if v.__origin__ in [list, dict, set] and all(
arg in allowed_primitives for arg in v.__args__
):
return v
raise ValueError(
f"Generics of type {v} are not supported - only lists, dicts and sets of primitive types {allowed_primitives}"
)
if type(v) is type(Literal[""]): # _LiteralGenericAlias is not exported from typing
arg_types = set(type(arg) for arg in v.__args__)
if len(arg_types) != 1:
raise ValueError("Mixtures of literal types are not supported!")
if (t := arg_types.pop()) in allowed_primitives:
return t
raise ValueError(f"Literals of type {t} are not supported")
class ClearableBoolEntry(QWidget):
stateChanged = Signal()
def __init__(self, parent: QWidget | None = None) -> None:
super().__init__(parent)
self._layout = QHBoxLayout()
self._layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(self._layout)
self._layout.setSizeConstraint(QLayout.SizeConstraint.SetFixedSize)
self._entry = QButtonGroup()
self._true = QRadioButton("true", parent=self)
self._false = QRadioButton("false", parent=self)
for button in [self._true, self._false]:
self._layout.addWidget(button)
self._entry.addButton(button)
button.toggled.connect(self.stateChanged)
def clear(self):
self._entry.setExclusive(False)
self._true.setChecked(False)
self._false.setChecked(False)
self._entry.setExclusive(True)
def isChecked(self) -> bool | None:
if not self._true.isChecked() and not self._false.isChecked():
return None
return self._true.isChecked()
def setChecked(self, value: bool | None):
if value is None:
self.clear()
elif value:
self._true.setChecked(True)
self._false.setChecked(False)
else:
self._true.setChecked(False)
self._false.setChecked(True)
def setToolTip(self, tooltip: str):
self._true.setToolTip(tooltip)
self._false.setToolTip(tooltip)
DynamicFormItemType = str | int | float | Decimal | bool | dict | list | None
class DynamicFormItem(QWidget):
valueChanged = Signal()
def __init__(self, parent: QWidget | None = None, *, spec: FormItemSpec) -> None:
"""
Initializes the form item widget.
Args:
parent (QWidget | None, optional): The parent widget. Defaults to None.
spec (FormItemSpec): The specification for the form item.
"""
super().__init__(parent)
self._spec = spec
self._layout = QHBoxLayout()
self._layout.setContentsMargins(0, 0, 0, 0)
self._layout.setSizeConstraint(QLayout.SizeConstraint.SetMaximumSize)
self._default = field_default(self._spec.info)
self._desc = self._spec.info.description
self.setLayout(self._layout)
self._add_main_widget()
assert isinstance(self._main_widget, QWidget), "Please set a widget in _add_main_widget()" # type: ignore
self._main_widget.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
self.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
if not spec.pretty_display:
if clearable_required(spec.info):
self._add_clear_button()
else:
self._set_pretty_display()
@abstractmethod
def getValue(self) -> DynamicFormItemType: ...
@abstractmethod
def setValue(self, value): ...
@abstractmethod
def _add_main_widget(self) -> None:
"""Add the main data entry widget to self._main_widget and appply any
constraints from the field info"""
def _set_pretty_display(self):
self.setEnabled(False)
if button := getattr(self, "_clear_button", None):
button.setVisible(False)
def _describe(self, pad=" "):
return pad + (self._desc if self._desc else "")
def _add_clear_button(self):
self._clear_button = QToolButton()
self._clear_button.setIcon(
material_icon(icon_name="close", size=(10, 10), convert_to_pixmap=False)
)
self._layout.addWidget(self._clear_button)
# the widget added in _add_main_widget must implement .clear() if value is not required
self._clear_button.setToolTip("Clear value or reset to default.")
self._clear_button.clicked.connect(self._main_widget.clear) # type: ignore
def _value_changed(self, *_, **__):
self.valueChanged.emit()
class StrFormItem(DynamicFormItem):
def __init__(self, parent: QWidget | None = None, *, spec: FormItemSpec) -> None:
super().__init__(parent=parent, spec=spec)
self._main_widget.textChanged.connect(self._value_changed)
def _add_main_widget(self) -> None:
self._main_widget = QLineEdit()
self._layout.addWidget(self._main_widget)
min_length, max_length = (field_minlen(self._spec.info), field_maxlen(self._spec.info))
if max_length:
self._main_widget.setMaxLength(max_length)
self._main_widget.setToolTip(
f"(length min: {min_length} max: {max_length}){self._describe()}"
)
if self._default:
self._main_widget.setText(self._default)
self._add_clear_button()
def getValue(self):
if self._main_widget.text() == "":
return self._default
return self._main_widget.text()
def setValue(self, value: str):
if value is None:
return self._main_widget.setText("")
self._main_widget.setText(str(value))
class IntFormItem(DynamicFormItem):
def __init__(self, parent: QWidget | None = None, *, spec: FormItemSpec) -> None:
super().__init__(parent=parent, spec=spec)
self._main_widget.textChanged.connect(self._value_changed)
def _add_main_widget(self) -> None:
self._main_widget = QSpinBox()
self._layout.addWidget(self._main_widget)
min_, max_ = field_limits(self._spec.info, int)
self._main_widget.setMinimum(min_)
self._main_widget.setMaximum(max_)
self._main_widget.setToolTip(f"(range {min_} to {max_}){self._describe()}")
if self._default is not None:
self._main_widget.setValue(self._default)
self._add_clear_button()
else:
self._main_widget.clear()
def getValue(self):
if self._main_widget.text() == "":
return self._default
return self._main_widget.value()
def setValue(self, value: int):
if value is None:
self._main_widget.clear()
self._main_widget.setValue(value)
class FloatDecimalFormItem(DynamicFormItem):
def __init__(self, parent: QWidget | None = None, *, spec: FormItemSpec) -> None:
super().__init__(parent=parent, spec=spec)
self._main_widget.textChanged.connect(self._value_changed)
def _add_main_widget(self) -> None:
precision = field_precision(self._spec.info)
self._main_widget = QDoubleSpinBox()
self._layout.addWidget(self._main_widget)
min_, max_ = field_limits(self._spec.info, float, precision)
self._main_widget.setMinimum(min_)
self._main_widget.setMaximum(max_)
if precision:
self._main_widget.setDecimals(precision)
minstr = f"{float(min_):.3f}" if abs(min_) <= 1000 else f"{float(min_):.3e}"
maxstr = f"{float(max_):.3f}" if abs(max_) <= 1000 else f"{float(max_):.3e}"
self._main_widget.setToolTip(f"(range {minstr} to {maxstr}){self._describe()}")
if self._default is not None:
self._main_widget.setValue(self._default)
self._add_clear_button()
else:
self._main_widget.clear()
def getValue(self):
if self._main_widget.text() == "":
return self._default
return self._main_widget.value()
def setValue(self, value: float | Decimal):
if value is None:
self._main_widget.clear()
self._main_widget.setValue(float(value))
class BoolFormItem(DynamicFormItem):
def __init__(self, *, parent: QWidget | None = None, spec: FormItemSpec) -> None:
super().__init__(parent=parent, spec=spec)
self._main_widget.stateChanged.connect(self._value_changed)
def _add_main_widget(self) -> None:
if clearable_required(self._spec.info):
self._main_widget = ClearableBoolEntry()
else:
self._main_widget = QCheckBox()
self._layout.addWidget(self._main_widget)
self._main_widget.setToolTip(self._describe(""))
self._main_widget.setChecked(self._default) # type: ignore # if there is no default then it will be ClearableBoolEntry and can be set with None
def getValue(self):
return self._main_widget.isChecked()
def setValue(self, value):
self._main_widget.setChecked(value)
class BoolToggleFormItem(BoolFormItem):
def __init__(self, *, parent: QWidget | None = None, spec: FormItemSpec) -> None:
if spec.info.default is PydanticUndefined:
spec.info.default = False
super().__init__(parent=parent, spec=spec)
def _add_main_widget(self) -> None:
self._main_widget = ToggleSwitch()
self._layout.addWidget(self._main_widget)
self._main_widget.setToolTip(self._describe(""))
if self._default is not None:
self._main_widget.setChecked(self._default)
class DictFormItem(DynamicFormItem):
def __init__(self, *, parent: QWidget | None = None, spec: FormItemSpec) -> None:
super().__init__(parent=parent, spec=spec)
self._main_widget.data_changed.connect(self._value_changed)
if spec.info.default is not PydanticUndefined:
self._main_widget.set_default(spec.info.default)
def _set_pretty_display(self):
self._main_widget.set_button_visibility(False)
super()._set_pretty_display()
def _add_main_widget(self) -> None:
self._main_widget = DictBackedTable(self, [])
self._layout.addWidget(self._main_widget)
self._main_widget.setToolTip(self._describe(""))
def getValue(self):
return self._main_widget.dump_dict()
def setValue(self, value):
self._main_widget.replace_data(value)
class _ItemAndWidgetType(NamedTuple):
# TODO: this should be generic but not supported in 3.10
item: type[int | float | str]
widget: type[QWidget]
default: int | float | str
class ListFormItem(DynamicFormItem):
def __init__(self, *, parent: QWidget | None = None, spec: FormItemSpec) -> None:
if spec.info.annotation is list:
self._types = _ItemAndWidgetType(str, QLineEdit, "")
elif isinstance(spec.info.annotation, GenericAlias):
args = set(typing.get_args(spec.info.annotation))
if args == {str}:
self._types = _ItemAndWidgetType(str, QLineEdit, "")
if args == {int}:
self._types = _ItemAndWidgetType(int, QSpinBox, 0)
if args == {float} or args == {int, float}:
self._types = _ItemAndWidgetType(float, QDoubleSpinBox, 0.0)
else:
self._types = _ItemAndWidgetType(str, QLineEdit, "")
super().__init__(parent=parent, spec=spec)
self.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
self._main_widget: QListWidget
self._data = []
self._min_lines = 2 if spec.pretty_display else 4
self._repop(self._data)
def sizeHint(self):
default = super().sizeHint()
return QSize(default.width(), QFontMetrics(self.font()).height() * 6)
def _add_main_widget(self) -> None:
self._main_widget = QListWidget()
self._layout.addWidget(self._main_widget)
self._layout.setAlignment(Qt.AlignmentFlag.AlignTop)
self._add_buttons()
def _add_buttons(self):
self._button_holder = QWidget()
self._button_holder.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
self._buttons = QVBoxLayout()
self._buttons.setContentsMargins(0, 0, 0, 0)
self._button_holder.setLayout(self._buttons)
self._layout.addWidget(self._button_holder)
self._add_remove_button_holder = QWidget()
self._add_remove_button_layout = QHBoxLayout()
self._add_remove_button_layout.setContentsMargins(0, 0, 0, 0)
self._add_remove_button_holder.setLayout(self._add_remove_button_layout)
self._add_button = QPushButton("+")
self._add_button.setMinimumHeight(15)
self._add_button.setToolTip("add a new row")
self._remove_button = QPushButton("-")
self._remove_button.setMinimumHeight(15)
self._remove_button.setToolTip("delete the focused row (if any)")
self._add_button.clicked.connect(self._add_row)
self._remove_button.clicked.connect(self._delete_row)
self._buttons.addWidget(self._add_remove_button_holder)
self._add_remove_button_layout.addWidget(self._add_button)
self._add_remove_button_layout.addWidget(self._remove_button)
def _set_pretty_display(self):
super()._set_pretty_display()
self._button_holder.setHidden(True)
def _repop(self, data):
self._main_widget.clear()
for val in data:
self._add_list_item(val)
self.scale_to_data()
def _add_data_item(self, val=None):
val = val or self._types.default
self._data.append(val)
self._add_list_item(val)
self._repop(self._data)
def _add_list_item(self, val):
item = QListWidgetItem(self._main_widget)
item.setFlags(item.flags() | QtCore.Qt.ItemIsEditable | QtCore.Qt.ItemIsEditable)
item_widget = self._types.widget(parent=self)
WidgetIO.set_value(item_widget, val)
self._main_widget.setItemWidget(item, item_widget)
self._main_widget.addItem(item)
WidgetIO.connect_widget_change_signal(item_widget, self._update)
return item_widget
def _update(self, _, value, *args):
self._data[self._main_widget.currentRow()] = value
@SafeSlot()
def _add_row(self):
self._add_data_item(self._types.default)
self._repop(self._data)
@SafeSlot()
def _delete_row(self):
if selected := self._main_widget.currentItem():
self._main_widget.removeItemWidget(selected)
row = self._main_widget.currentRow()
self._main_widget.takeItem(row)
self._data.pop(row)
self._repop(self._data)
@SafeSlot()
def clear(self):
self._repop([])
def getValue(self):
return self._data
def setValue(self, value: Iterable):
if set(map(type, value)) | {self._types.item} != {self._types.item}:
raise ValueError(f"This widget only accepts items of type {self._types.item}")
self._data = list(value)
self._repop(self._data)
def _line_height(self):
return QFontMetrics(self._main_widget.font()).height()
def set_max_height_in_lines(self, lines: int):
outer_inc = 1 if self._spec.pretty_display else 3
self._main_widget.setFixedHeight(self._line_height() * max(lines, self._min_lines))
self._button_holder.setFixedHeight(self._line_height() * (max(lines, self._min_lines) + 1))
self.setFixedHeight(self._line_height() * (max(lines, self._min_lines) + outer_inc))
def scale_to_data(self, *_):
self.set_max_height_in_lines(self._main_widget.count() + 1)
class SetFormItem(ListFormItem):
def _add_main_widget(self) -> None:
super()._add_main_widget()
self._add_item_field = self._types.widget()
self._buttons.addWidget(QLabel("Add new:"))
self._buttons.addWidget(self._add_item_field)
self.setSizePolicy(QSizePolicy.Policy.MinimumExpanding, QSizePolicy.Policy.Minimum)
@SafeSlot()
def _add_row(self):
self._add_data_item(WidgetIO.get_value(self._add_item_field))
self._repop(self._data)
def _update(self, _, value, *args):
if value in self._data:
return
return super()._update(_, value, *args)
def _add_data_item(self, val=None):
val = val or self._types.default
if val == self._types.default or val in self._data:
return
self._data.append(val)
self._add_list_item(val)
def _add_list_item(self, val):
item_widget = super()._add_list_item(val)
if isinstance(item_widget, QLineEdit):
item_widget.setReadOnly(True)
return item_widget
def getValue(self):
return set(self._data)
def setValue(self, value: set):
return super().setValue(set(value))
class StrLiteralFormItem(DynamicFormItem):
def _add_main_widget(self) -> None:
self._main_widget = QComboBox()
self._options = get_args(self._spec.info.annotation)
for opt in self._options:
self._main_widget.addItem(opt)
self._layout.addWidget(self._main_widget)
def getValue(self):
return self._main_widget.currentText()
def setValue(self, value: str | None):
if value is None:
self.clear()
for i in range(self._main_widget.count()):
if self._main_widget.itemText(i) == value:
self._main_widget.setCurrentIndex(i)
return
raise ValueError(f"Cannot set value: {value}, options are: {self._options}")
def clear(self):
self._main_widget.setCurrentIndex(-1)
WidgetTypeRegistry = OrderedDict[str, tuple[Callable[[FormItemSpec], bool], type[DynamicFormItem]]]
DEFAULT_WIDGET_TYPES: Final[WidgetTypeRegistry] = OrderedDict() | {
# dict literals are ordered already but TypedForm subclasses may modify coppies of this dict
# and delete/insert keys or change the order
"literal_str": (
lambda spec: type(spec.info.annotation) is type(Literal[""])
and set(type(arg) for arg in get_args(spec.info.annotation)) == {str},
StrLiteralFormItem,
),
"str": (lambda spec: spec.item_type in [str, str | None, None], StrFormItem),
"int": (lambda spec: spec.item_type in [int, int | None], IntFormItem),
"float_decimal": (
lambda spec: spec.item_type in [float, float | None, Decimal, Decimal | None],
FloatDecimalFormItem,
),
"bool": (lambda spec: spec.item_type in [bool, bool | None], BoolFormItem),
"dict": (
lambda spec: spec.item_type in [dict, dict | None]
or (isinstance(spec.item_type, GenericAlias) and spec.item_type.__origin__ is dict),
DictFormItem,
),
"list": (
lambda spec: spec.item_type in [list, list | None]
or (isinstance(spec.item_type, GenericAlias) and spec.item_type.__origin__ is list),
ListFormItem,
),
"set": (
lambda spec: spec.item_type in [set, set | None]
or (isinstance(spec.item_type, GenericAlias) and spec.item_type.__origin__ is set),
SetFormItem,
),
}
def widget_from_type(
spec: FormItemSpec, widget_types: WidgetTypeRegistry | None = None
) -> type[DynamicFormItem]:
widget_types = widget_types or DEFAULT_WIDGET_TYPES
for predicate, widget_type in widget_types.values():
if predicate(spec):
return widget_type
logger.warning(
f"Type {spec.item_type=} / {spec.info.annotation=} is not (yet) supported in dynamic form creation."
)
return StrFormItem
if __name__ == "__main__": # pragma: no cover
class TestModel(BaseModel):
value0: set = Field(set(["a", "b"]))
value1: str | None = Field(None)
value2: bool | None = Field(None)
value3: bool = Field(True)
value4: int = Field(123)
value5: int | None = Field()
value6: list[int] = Field()
value7: list = Field()
app = QApplication([])
w = QWidget()
layout = QGridLayout()
w.setLayout(layout)
items = []
for i, (field_name, info) in enumerate(TestModel.model_fields.items()):
spec = spec = FormItemSpec(item_type=info.annotation, name=field_name, info=info)
layout.addWidget(QLabel(field_name), i, 0)
widg = widget_from_type(spec)(spec=spec)
items.append(widg)
layout.addWidget(widg, i, 1)
items[6].setValue([1, 2, 3, 4])
items[7].setValue(["1", "2", "asdfg", "qwerty"])
w.show()
app.exec()

View File

@@ -1,21 +0,0 @@
import bec_qthemes
def pretty_display_theme(theme: str = "dark"):
palette = bec_qthemes.load_palette(theme)
foreground = palette.text().color().name()
background = palette.base().color().name()
border = palette.shadow().color().name()
accent = palette.accent().color().name()
return f"""
QWidget {{color: {foreground}; background-color: {background}}}
QLabel {{ font-weight: bold; }}
QLineEdit,QLabel,QTreeView {{ border-style: solid; border-width: 2px; border-color: {border} }}
QRadioButton {{ color: {foreground}; }}
QRadioButton::indicator::checked {{ color: {accent}; }}
QCheckBox {{ color: {accent}; }}
"""
if __name__ == "__main__":
print(pretty_display_theme())

View File

@@ -5,12 +5,7 @@ from typing import NamedTuple
from qtpy.QtCore import QObject
from bec_widgets.utils.name_utils import pascal_to_snake
EXCLUDED_PLUGINS = ["BECConnector", "BECDockArea", "BECDock", "BECFigure"]
_PARENT_ARG_REGEX = r".__init__\(\s*(?:parent\)|parent=parent,?|parent,?)"
_SELF_PARENT_ARG_REGEX = r".__init__\(\s*self,\s*(?:parent\)|parent=parent,?|parent,?)"
SUPER_INIT_REGEX = re.compile(r"super\(\)" + _PARENT_ARG_REGEX, re.MULTILINE)
class PluginFilenames(NamedTuple):
@@ -27,7 +22,7 @@ class DesignerPluginInfo:
def __init__(self, plugin_class):
self.plugin_class = plugin_class
self.plugin_name_pascal = plugin_class.__name__
self.plugin_name_snake = pascal_to_snake(self.plugin_name_pascal)
self.plugin_name_snake = self.pascal_to_snake(self.plugin_name_pascal)
self.widget_import = f"from {plugin_class.__module__} import {self.plugin_name_pascal}"
plugin_module = (
".".join(plugin_class.__module__.split(".")[:-1]) + f".{self.plugin_name_snake}_plugin"
@@ -43,6 +38,21 @@ class DesignerPluginInfo:
self.base_path = os.path.dirname(inspect.getfile(plugin_class))
@staticmethod
def pascal_to_snake(name: str) -> str:
"""
Convert PascalCase to snake_case.
Args:
name (str): The name to be converted.
Returns:
str: The converted name.
"""
s1 = re.sub(r"([a-z0-9])([A-Z])", r"\1_\2", name)
s2 = re.sub(r"([A-Z]+)([A-Z][a-z])", r"\1_\2", s1)
return s2.lower()
class DesignerPluginGenerator:
def __init__(self, widget: type):
@@ -93,20 +103,24 @@ class DesignerPluginGenerator:
# Check if the widget class calls the super constructor with parent argument
init_source = inspect.getsource(self.widget.__init__)
class_re = re.compile(base_cls[0].__name__ + _SELF_PARENT_ARG_REGEX, re.MULTILINE)
cls_init_found = class_re.search(init_source) is not None
super_self_re = re.compile(
rf"super\({base_cls[0].__name__}, self\)" + _PARENT_ARG_REGEX, re.MULTILINE
cls_init_found = (
bool(init_source.find(f"{base_cls[0].__name__}.__init__(self, parent=parent") > 0)
or bool(init_source.find(f"{base_cls[0].__name__}.__init__(self, parent)") > 0)
or bool(init_source.find(f"{base_cls[0].__name__}.__init__(self, parent,") > 0)
)
super_init_found = (
bool(
init_source.find(f"super({base_cls[0].__name__}, self).__init__(parent=parent") > 0
)
or bool(init_source.find(f"super({base_cls[0].__name__}, self).__init__(parent,") > 0)
or bool(init_source.find(f"super({base_cls[0].__name__}, self).__init__(parent)") > 0)
)
super_init_found = super_self_re.search(init_source) is not None
if issubclass(self.widget.__bases__[0], QObject) and not super_init_found:
super_init_found = SUPER_INIT_REGEX.search(init_source) is not None
# for the new style classes, we only have one super call. We can therefore check if the
# number of __init__ calls is 2 (the class itself and the super class)
num_inits = re.findall(r"__init__", init_source)
if len(num_inits) == 2 and not super_init_found:
super_init_found = SUPER_INIT_REGEX.search(init_source) is not None
super_init_found = (
bool(init_source.find("super().__init__(parent=parent") > 0)
or bool(init_source.find("super().__init__(parent,") > 0)
or bool(init_source.find("super().__init__(parent)") > 0)
)
if not cls_init_found and not super_init_found:
raise ValueError(

View File

@@ -1,7 +1,5 @@
"""Module for a thin wrapper (LinearRegionWrapper) around the LinearRegionItem in pyqtgraph.
The class is mainly designed for usage with the BECWaveform and 1D plots."""
from __future__ import annotations
""" Module for a thin wrapper (LinearRegionWrapper) around the LinearRegionItem in pyqtgraph.
The class is mainly designed for usage with the BECWaveform and 1D plots. """
import pyqtgraph as pg
from qtpy.QtCore import QObject, Signal, Slot

View File

@@ -1,16 +0,0 @@
import re
def pascal_to_snake(name: str) -> str:
"""
Convert PascalCase to snake_case.
Args:
name (str): The name to be converted.
Returns:
str: The converted name.
"""
s1 = re.sub(r"([a-z0-9])([A-Z])", r"\1_\2", name)
s2 = re.sub(r"([A-Z]+)([A-Z][a-z])", r"\1_\2", s1)
return s2.lower()

View File

@@ -4,7 +4,7 @@ import importlib
import inspect
import os
from dataclasses import dataclass
from typing import TYPE_CHECKING, Iterable
from typing import TYPE_CHECKING
from bec_lib.plugin_helper import _get_available_plugins
from qtpy.QtWidgets import QGraphicsWidget, QWidget
@@ -90,15 +90,15 @@ class BECClassInfo:
name: str
module: str
file: str
obj: type[BECWidget]
obj: type
is_connector: bool = False
is_widget: bool = False
is_plugin: bool = False
class BECClassContainer:
def __init__(self, initial: Iterable[BECClassInfo] = []):
self._collection: list[BECClassInfo] = list(initial)
def __init__(self):
self._collection: list[BECClassInfo] = []
def __repr__(self):
return str(list(cl.name for cl in self.collection))
@@ -106,16 +106,6 @@ class BECClassContainer:
def __iter__(self):
return self._collection.__iter__()
def __add__(self, other: BECClassContainer):
return BECClassContainer((*self, *(c for c in other if c.name not in self.names)))
def as_dict(self, ignores: list[str] = []) -> dict[str, type[BECWidget]]:
"""get a dict of {name: Type} for all the entries in the collection.
Args:
ignores(list[str]): a list of class names to exclude from the dictionary."""
return {c.name: c.obj for c in self if c.name not in ignores}
def add_class(self, class_info: BECClassInfo):
"""
Add a class to the collection.
@@ -125,44 +115,53 @@ class BECClassContainer:
"""
self.collection.append(class_info)
@property
def names(self):
"""Return a list of class names"""
return [c.name for c in self]
@property
def collection(self):
"""Get the collection of classes."""
"""
Get the collection of classes.
"""
return self._collection
@property
def connector_classes(self):
"""Get all connector classes."""
"""
Get all connector classes.
"""
return [info.obj for info in self.collection if info.is_connector]
@property
def top_level_classes(self):
"""Get all top-level classes."""
"""
Get all top-level classes.
"""
return [info.obj for info in self.collection if info.is_plugin]
@property
def plugins(self):
"""Get all plugins. These are all classes that are on the top level and are widgets."""
"""
Get all plugins. These are all classes that are on the top level and are widgets.
"""
return [info.obj for info in self.collection if info.is_widget and info.is_plugin]
@property
def widgets(self):
"""Get all widgets. These are all classes inheriting from BECWidget."""
"""
Get all widgets. These are all classes inheriting from BECWidget.
"""
return [info.obj for info in self.collection if info.is_widget]
@property
def rpc_top_level_classes(self):
"""Get all top-level classes that are RPC-enabled. These are all classes that users can choose from."""
"""
Get all top-level classes that are RPC-enabled. These are all classes that users can choose from.
"""
return [info.obj for info in self.collection if info.is_plugin and info.is_connector]
@property
def classes(self):
"""Get all classes."""
"""
Get all classes.
"""
return [info.obj for info in self.collection]
@@ -198,7 +197,7 @@ def get_custom_classes(repo_name: str) -> BECClassContainer:
if not hasattr(obj, "__module__") or obj.__module__ != module.__name__:
continue
if isinstance(obj, type):
class_info = BECClassInfo(name=name, module=module.__name__, file=path, obj=obj)
class_info = BECClassInfo(name=name, module=module_name, file=path, obj=obj)
if issubclass(obj, BECConnector):
class_info.is_connector = True
if issubclass(obj, BECWidget):

View File

@@ -18,9 +18,8 @@ from bec_widgets.cli.rpc.rpc_register import RPCRegister
from bec_widgets.utils import BECDispatcher
from bec_widgets.utils.bec_connector import BECConnector
from bec_widgets.utils.error_popups import ErrorPopupUtility
from bec_widgets.widgets.containers.main_window.main_window import BECMainWindow
if TYPE_CHECKING: # pragma: no cover
if TYPE_CHECKING:
from bec_lib import messages
from qtpy.QtCore import QObject
else:
@@ -84,7 +83,6 @@ class RPCServer:
self._heartbeat_timer.timeout.connect(self.emit_heartbeat)
self._heartbeat_timer.start(200)
self._registry_update_callbacks = []
self._broadcasted_data = {}
self.status = messages.BECStatus.RUNNING
logger.success(f"Server started with gui_id: {self.gui_id}")
@@ -191,11 +189,8 @@ class RPCServer:
if not getattr(val, "RPC", True):
continue
data[key] = self._serialize_bec_connector(val)
if self._broadcasted_data == data:
return
self._broadcasted_data = data
logger.debug(f"Broadcasting registry update: {data} for {self.gui_id}")
logger.info(f"Broadcasting registry update: {data} for {self.gui_id}")
self.client.connector.xadd(
MessageEndpoints.gui_registry_state(self.gui_id),
msg_dict={"data": messages.GUIRegistryStateMessage(state=data)},
@@ -217,15 +212,6 @@ class RPCServer:
config_dict = connector.config.model_dump()
config_dict["parent_id"] = getattr(connector, "parent_id", None)
try:
parent = connector.parent()
if isinstance(parent, BECMainWindow):
container_proxy = parent.gui_id
else:
container_proxy = None
except Exception:
container_proxy = None
if wait:
while not self.rpc_register.object_is_registered(connector):
QApplication.processEvents()
@@ -239,7 +225,6 @@ class RPCServer:
"object_name": connector.object_name or connector.__class__.__name__,
"widget_class": widget_class,
"config": config_dict,
"container_proxy": container_proxy,
"__rpc__": True,
}

View File

@@ -1,44 +0,0 @@
from bec_lib.serialization import msgpack
from qtpy.QtCore import QPointF
def register_serializer_extension():
"""
Register the serializer extension for the BECConnector.
"""
if not module_is_registered("bec_widgets.utils.serialization"):
msgpack.register_object_hook(encode_qpointf, decode_qpointf)
def module_is_registered(module_name: str) -> bool:
"""
Check if the module is registered in the encoder.
Args:
module_name (str): The name of the module to check.
Returns:
bool: True if the module is registered, False otherwise.
"""
# pylint: disable=protected-access
for enc in msgpack._encoder:
if enc[0].__module__ == module_name:
return True
return False
def encode_qpointf(obj):
"""
Encode a QPointF object to a list of floats. As this is mostly used for sending
data to the client, it is not necessary to convert it back to a QPointF object.
"""
if isinstance(obj, QPointF):
return [obj.x(), obj.y()]
return obj
def decode_qpointf(obj):
"""
no-op function since QPointF is encoded as a list of floats.
"""
return obj

View File

@@ -1,5 +1,5 @@
from bec_lib.logger import bec_logger
from qtpy.QtGui import QCloseEvent
from PySide6.QtGui import QCloseEvent
from qtpy.QtWidgets import QDialog, QDialogButtonBox, QHBoxLayout, QPushButton, QVBoxLayout, QWidget
from bec_widgets.utils.error_popups import SafeSlot

View File

@@ -16,8 +16,7 @@ from qtpy.QtWidgets import (
QWidget,
)
from bec_widgets.utils.toolbars.bundles import ToolbarBundle
from bec_widgets.utils.toolbars.toolbar import MaterialIconAction, ModularToolBar
from bec_widgets.utils.toolbar import MaterialIconAction, ModularToolBar
class SidePanel(QWidget):
@@ -32,7 +31,6 @@ class SidePanel(QWidget):
panel_max_width: int = 200,
animation_duration: int = 200,
animations_enabled: bool = True,
show_toolbar: bool = True,
):
super().__init__(parent=parent)
@@ -42,7 +40,6 @@ class SidePanel(QWidget):
self._panel_max_width = panel_max_width
self._animation_duration = animation_duration
self._animations_enabled = animations_enabled
self._show_toolbar = show_toolbar
self._panel_width = 0
self._panel_height = 0
@@ -62,7 +59,7 @@ class SidePanel(QWidget):
self.main_layout.setContentsMargins(0, 0, 0, 0)
self.main_layout.setSpacing(0)
self.toolbar = ModularToolBar(parent=self, orientation="vertical")
self.toolbar = ModularToolBar(target_widget=self, orientation="vertical")
self.container = QWidget()
self.container.layout = QVBoxLayout(self.container)
@@ -74,14 +71,13 @@ class SidePanel(QWidget):
self.stack_widget.setMinimumWidth(5)
self.stack_widget.setMaximumWidth(self._panel_max_width)
if self._orientation in ("left", "right"):
if self._show_toolbar:
self.main_layout.addWidget(self.toolbar)
if self._orientation == "left":
self.main_layout.addWidget(self.toolbar)
self.main_layout.addWidget(self.container)
else:
self.main_layout.addWidget(self.container)
self.main_layout.addWidget(self.toolbar)
if self._orientation == "left":
self.main_layout.addWidget(self.container)
else:
self.main_layout.insertWidget(0, self.container)
self.container.layout.addWidget(self.stack_widget)
self.menu_anim = QPropertyAnimation(self, b"panel_width")
@@ -93,7 +89,7 @@ class SidePanel(QWidget):
self.main_layout.setContentsMargins(0, 0, 0, 0)
self.main_layout.setSpacing(0)
self.toolbar = ModularToolBar(parent=self, orientation="horizontal")
self.toolbar = ModularToolBar(target_widget=self, orientation="horizontal")
self.container = QWidget()
self.container.layout = QVBoxLayout(self.container)
@@ -106,13 +102,11 @@ class SidePanel(QWidget):
self.stack_widget.setMaximumHeight(self._panel_max_width)
if self._orientation == "top":
if self._show_toolbar:
self.main_layout.addWidget(self.toolbar)
self.main_layout.addWidget(self.toolbar)
self.main_layout.addWidget(self.container)
else:
self.main_layout.addWidget(self.container)
if self._show_toolbar:
self.main_layout.addWidget(self.toolbar)
self.main_layout.addWidget(self.toolbar)
self.container.layout.addWidget(self.stack_widget)
@@ -239,24 +233,21 @@ class SidePanel(QWidget):
def add_menu(
self,
action_id: str,
icon_name: str,
tooltip: str,
widget: QWidget,
action_id: str | None = None,
icon_name: str | None = None,
tooltip: str | None = None,
title: str | None = None,
) -> int:
):
"""
Add a menu to the side panel.
Args:
action_id(str): The ID of the action.
icon_name(str): The name of the icon.
tooltip(str): The tooltip for the action.
widget(QWidget): The widget to add to the panel.
action_id(str | None): The ID of the action. Optional if no toolbar action is needed.
icon_name(str | None): The name of the icon. Optional if no toolbar action is needed.
tooltip(str | None): The tooltip for the action. Optional if no toolbar action is needed.
title(str | None): The title of the panel.
Returns:
int: The index of the added panel, which can be used with show_panel() and switch_to().
title(str): The title of the panel.
"""
# container_widget: top-level container for the stacked page
container_widget = QWidget()
@@ -287,43 +278,32 @@ class SidePanel(QWidget):
index = self.stack_widget.count()
self.stack_widget.addWidget(container_widget)
# Add an action to the toolbar if action_id, icon_name, and tooltip are provided
if action_id is not None and icon_name is not None and tooltip is not None:
action = MaterialIconAction(
icon_name=icon_name, tooltip=tooltip, checkable=True, parent=self
)
self.toolbar.components.add_safe(action_id, action)
bundle = ToolbarBundle(action_id, self.toolbar.components)
bundle.add_action(action_id)
self.toolbar.add_bundle(bundle)
shown_bundles = self.toolbar.shown_bundles
shown_bundles.append(action_id)
self.toolbar.show_bundles(shown_bundles)
# Add an action to the toolbar
action = MaterialIconAction(icon_name=icon_name, tooltip=tooltip, checkable=True)
self.toolbar.add_action(action_id, action, target_widget=self)
def on_action_toggled(checked: bool):
if self.switching_actions:
return
def on_action_toggled(checked: bool):
if self.switching_actions:
return
if checked:
if self.current_action and self.current_action != action.action:
self.switching_actions = True
self.current_action.setChecked(False)
self.switching_actions = False
if checked:
if self.current_action and self.current_action != action.action:
self.switching_actions = True
self.current_action.setChecked(False)
self.switching_actions = False
self.current_action = action.action
self.current_action = action.action
if not self.panel_visible:
self.show_panel(index)
else:
self.switch_to(index)
if not self.panel_visible:
self.show_panel(index)
else:
if self.current_action == action.action:
self.current_action = None
self.hide_panel()
self.switch_to(index)
else:
if self.current_action == action.action:
self.current_action = None
self.hide_panel()
action.action.toggled.connect(on_action_toggled)
return index
action.action.toggled.connect(on_action_toggled)
############################################
@@ -352,56 +332,41 @@ class ExampleApp(QMainWindow): # pragma: no cover
self.add_side_menus()
def add_side_menus(self):
# Example 1: With action, icon, and tooltip
widget1 = QWidget()
layout1 = QVBoxLayout(widget1)
for i in range(15):
layout1.addWidget(QLabel(f"Widget 1 label row {i}"))
self.side_panel.add_menu(
widget=widget1,
action_id="widget1",
icon_name="counter_1",
tooltip="Show Widget 1",
widget=widget1,
title="Widget 1 Panel",
)
# Example 2: With action, icon, and tooltip
widget2 = QWidget()
layout2 = QVBoxLayout(widget2)
layout2.addWidget(QLabel("Short widget 2 content"))
self.side_panel.add_menu(
widget=widget2,
action_id="widget2",
icon_name="counter_2",
tooltip="Show Widget 2",
widget=widget2,
title="Widget 2 Panel",
)
# Example 3: With action, icon, and tooltip
widget3 = QWidget()
layout3 = QVBoxLayout(widget3)
for i in range(10):
layout3.addWidget(QLabel(f"Line {i} for Widget 3"))
self.side_panel.add_menu(
widget=widget3,
action_id="widget3",
icon_name="counter_3",
tooltip="Show Widget 3",
widget=widget3,
title="Widget 3 Panel",
)
# Example 4: Without action, icon, and tooltip (can only be shown programmatically)
widget4 = QWidget()
layout4 = QVBoxLayout(widget4)
layout4.addWidget(QLabel("This panel has no toolbar button"))
layout4.addWidget(QLabel("It can only be shown programmatically"))
self.hidden_panel_index = self.side_panel.add_menu(widget=widget4, title="Hidden Panel")
# Example of how to show the hidden panel programmatically after 3 seconds
from qtpy.QtCore import QTimer
QTimer.singleShot(3000, lambda: self.side_panel.show_panel(self.hidden_panel_index))
if __name__ == "__main__": # pragma: no cover
app = QApplication(sys.argv)

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# pylint: disable=no-name-in-module
from __future__ import annotations
import os
from abc import ABC, abstractmethod
from contextlib import contextmanager
from typing import Dict, Literal
from bec_lib.device import ReadoutPriority
from bec_lib.logger import bec_logger
from bec_qthemes._icon.material_icons import material_icon
from qtpy.QtCore import QSize, Qt, QTimer
from qtpy.QtGui import QAction, QColor, QIcon
from qtpy.QtWidgets import (
QApplication,
QComboBox,
QHBoxLayout,
QLabel,
QMenu,
QSizePolicy,
QStyledItemDelegate,
QToolBar,
QToolButton,
QWidget,
)
import bec_widgets
from bec_widgets.widgets.control.device_input.base_classes.device_input_base import BECDeviceFilter
from bec_widgets.widgets.control.device_input.device_combobox.device_combobox import DeviceComboBox
logger = bec_logger.logger
MODULE_PATH = os.path.dirname(bec_widgets.__file__)
class NoCheckDelegate(QStyledItemDelegate):
"""To reduce space in combo boxes by removing the checkmark."""
def initStyleOption(self, option, index):
super().initStyleOption(option, index)
# Remove any check indicator
option.checkState = Qt.Unchecked
class LongPressToolButton(QToolButton):
def __init__(self, *args, long_press_threshold=500, **kwargs):
super().__init__(*args, **kwargs)
self.long_press_threshold = long_press_threshold
self._long_press_timer = QTimer(self)
self._long_press_timer.setSingleShot(True)
self._long_press_timer.timeout.connect(self.handleLongPress)
self._pressed = False
self._longPressed = False
def mousePressEvent(self, event):
self._pressed = True
self._longPressed = False
self._long_press_timer.start(self.long_press_threshold)
super().mousePressEvent(event)
def mouseReleaseEvent(self, event):
self._pressed = False
if self._longPressed:
self._longPressed = False
self._long_press_timer.stop()
event.accept() # Prevent normal click action after a long press
return
self._long_press_timer.stop()
super().mouseReleaseEvent(event)
def handleLongPress(self):
if self._pressed:
self._longPressed = True
self.showMenu()
class ToolBarAction(ABC):
"""
Abstract base class for toolbar actions.
Args:
icon_path (str, optional): The name of the icon file from `assets/toolbar_icons`. Defaults to None.
tooltip (str, optional): The tooltip for the action. Defaults to None.
checkable (bool, optional): Whether the action is checkable. Defaults to False.
"""
def __init__(self, icon_path: str = None, tooltip: str = None, checkable: bool = False):
self.icon_path = (
os.path.join(MODULE_PATH, "assets", "toolbar_icons", icon_path) if icon_path else None
)
self.tooltip = tooltip
self.checkable = checkable
self.action = None
@abstractmethod
def add_to_toolbar(self, toolbar: QToolBar, target: QWidget):
"""Adds an action or widget to a toolbar.
Args:
toolbar (QToolBar): The toolbar to add the action or widget to.
target (QWidget): The target widget for the action.
"""
def cleanup(self):
"""Cleans up the action, if necessary."""
pass
class SeparatorAction(ToolBarAction):
"""Separator action for the toolbar."""
def add_to_toolbar(self, toolbar: QToolBar, target: QWidget):
toolbar.addSeparator()
class QtIconAction(ToolBarAction):
def __init__(self, standard_icon, tooltip=None, checkable=False, parent=None):
super().__init__(icon_path=None, tooltip=tooltip, checkable=checkable)
self.standard_icon = standard_icon
self.icon = QApplication.style().standardIcon(standard_icon)
self.action = QAction(icon=self.icon, text=self.tooltip, parent=parent)
self.action.setCheckable(self.checkable)
def add_to_toolbar(self, toolbar, target):
toolbar.addAction(self.action)
def get_icon(self):
return self.icon
class MaterialIconAction(ToolBarAction):
"""
Action with a Material icon for the toolbar.
Args:
icon_name (str, optional): The name of the Material icon. Defaults to None.
tooltip (str, optional): The tooltip for the action. Defaults to None.
checkable (bool, optional): Whether the action is checkable. Defaults to False.
filled (bool, optional): Whether the icon is filled. Defaults to False.
color (str | tuple | QColor | dict[Literal["dark", "light"], str] | None, optional): The color of the icon.
Defaults to None.
parent (QWidget or None, optional): Parent widget for the underlying QAction.
"""
def __init__(
self,
icon_name: str = None,
tooltip: str = None,
checkable: bool = False,
filled: bool = False,
color: str | tuple | QColor | dict[Literal["dark", "light"], str] | None = None,
parent=None,
):
super().__init__(icon_path=None, tooltip=tooltip, checkable=checkable)
self.icon_name = icon_name
self.filled = filled
self.color = color
# Generate the icon using the material_icon helper
self.icon = material_icon(
self.icon_name,
size=(20, 20),
convert_to_pixmap=False,
filled=self.filled,
color=self.color,
)
if parent is None:
logger.warning(
"MaterialIconAction was created without a parent. Please consider adding one. Using None as parent may cause issues."
)
self.action = QAction(icon=self.icon, text=self.tooltip, parent=parent)
self.action.setCheckable(self.checkable)
def add_to_toolbar(self, toolbar: QToolBar, target: QWidget):
"""
Adds the action to the toolbar.
Args:
toolbar(QToolBar): The toolbar to add the action to.
target(QWidget): The target widget for the action.
"""
toolbar.addAction(self.action)
def get_icon(self):
"""
Returns the icon for the action.
Returns:
QIcon: The icon for the action.
"""
return self.icon
class DeviceSelectionAction(ToolBarAction):
"""
Action for selecting a device in a combobox.
Args:
label (str): The label for the combobox.
device_combobox (DeviceComboBox): The combobox for selecting the device.
"""
def __init__(self, label: str | None = None, device_combobox=None):
super().__init__()
self.label = label
self.device_combobox = device_combobox
self.device_combobox.currentIndexChanged.connect(lambda: self.set_combobox_style("#ffa700"))
def add_to_toolbar(self, toolbar, target):
widget = QWidget(parent=target)
layout = QHBoxLayout(widget)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
if self.label is not None:
label = QLabel(text=f"{self.label}", parent=target)
layout.addWidget(label)
if self.device_combobox is not None:
layout.addWidget(self.device_combobox)
toolbar.addWidget(widget)
def set_combobox_style(self, color: str):
self.device_combobox.setStyleSheet(f"QComboBox {{ background-color: {color}; }}")
class SwitchableToolBarAction(ToolBarAction):
"""
A split toolbar action that combines a main action and a drop-down menu for additional actions.
The main button displays the currently selected action's icon and tooltip. Clicking on the main button
triggers that action. Clicking on the drop-down arrow displays a menu with alternative actions. When an
alternative action is selected, it becomes the new default and its callback is immediately executed.
This design mimics the behavior seen in Adobe Photoshop or Affinity Designer toolbars.
Args:
actions (dict): A dictionary mapping a unique key to a ToolBarAction instance.
initial_action (str, optional): The key of the initial default action. If not provided, the first action is used.
tooltip (str, optional): An optional tooltip for the split action; if provided, it overrides the default action's tooltip.
checkable (bool, optional): Whether the action is checkable. Defaults to True.
parent (QWidget, optional): Parent widget for the underlying QAction.
"""
def __init__(
self,
actions: Dict[str, ToolBarAction],
initial_action: str = None,
tooltip: str = None,
checkable: bool = True,
default_state_checked: bool = False,
parent=None,
):
super().__init__(icon_path=None, tooltip=tooltip, checkable=checkable)
self.actions = actions
self.current_key = initial_action if initial_action is not None else next(iter(actions))
self.parent = parent
self.checkable = checkable
self.default_state_checked = default_state_checked
self.main_button = None
self.menu_actions: Dict[str, QAction] = {}
def add_to_toolbar(self, toolbar: QToolBar, target: QWidget):
"""
Adds the split action to the toolbar.
Args:
toolbar (QToolBar): The toolbar to add the action to.
target (QWidget): The target widget for the action.
"""
self.main_button = LongPressToolButton(toolbar)
self.main_button.setPopupMode(QToolButton.MenuButtonPopup)
self.main_button.setCheckable(self.checkable)
default_action = self.actions[self.current_key]
self.main_button.setIcon(default_action.get_icon())
self.main_button.setToolTip(default_action.tooltip)
self.main_button.clicked.connect(self._trigger_current_action)
menu = QMenu(self.main_button)
for key, action_obj in self.actions.items():
menu_action = QAction(
icon=action_obj.get_icon(), text=action_obj.tooltip, parent=self.main_button
)
menu_action.setIconVisibleInMenu(True)
menu_action.setCheckable(self.checkable)
menu_action.setChecked(key == self.current_key)
menu_action.triggered.connect(lambda checked, k=key: self.set_default_action(k))
menu.addAction(menu_action)
self.main_button.setMenu(menu)
if self.default_state_checked:
self.main_button.setChecked(True)
self.action = toolbar.addWidget(self.main_button)
def _trigger_current_action(self):
"""
Triggers the current action associated with the main button.
"""
action_obj = self.actions[self.current_key]
action_obj.action.trigger()
def set_default_action(self, key: str):
"""
Sets the default action for the split action.
Args:
key(str): The key of the action to set as default.
"""
if self.main_button is None:
return
self.current_key = key
new_action = self.actions[self.current_key]
self.main_button.setIcon(new_action.get_icon())
self.main_button.setToolTip(new_action.tooltip)
# Update check state of menu items
for k, menu_act in self.actions.items():
menu_act.action.setChecked(False)
new_action.action.trigger()
# Active action chosen from menu is always checked, uncheck through main button
if self.checkable:
new_action.action.setChecked(True)
self.main_button.setChecked(True)
def block_all_signals(self, block: bool = True):
"""
Blocks or unblocks all signals for the actions in the toolbar.
Args:
block (bool): Whether to block signals. Defaults to True.
"""
if self.main_button is not None:
self.main_button.blockSignals(block)
for action in self.actions.values():
action.action.blockSignals(block)
@contextmanager
def signal_blocker(self):
"""
Context manager to block signals for all actions in the toolbar.
"""
self.block_all_signals(True)
try:
yield
finally:
self.block_all_signals(False)
def set_state_all(self, state: bool):
"""
Uncheck all actions in the toolbar.
"""
for action in self.actions.values():
action.action.setChecked(state)
if self.main_button is None:
return
self.main_button.setChecked(state)
def get_icon(self) -> QIcon:
return self.actions[self.current_key].get_icon()
class WidgetAction(ToolBarAction):
"""
Action for adding any widget to the toolbar.
Please note that the injected widget must be life-cycled by the parent widget,
i.e., the widget must be properly cleaned up outside of this action. The WidgetAction
will not perform any cleanup on the widget itself, only on the container that holds it.
Args:
label (str|None): The label for the widget.
widget (QWidget): The widget to be added to the toolbar.
adjust_size (bool): Whether to adjust the size of the widget based on its contents. Defaults to True.
"""
def __init__(
self,
label: str | None = None,
widget: QWidget = None,
adjust_size: bool = True,
parent=None,
):
super().__init__(icon_path=None, tooltip=label, checkable=False)
self.label = label
self.widget = widget
self.container = None
self.adjust_size = adjust_size
def add_to_toolbar(self, toolbar: QToolBar, target: QWidget):
"""
Adds the widget to the toolbar.
Args:
toolbar (QToolBar): The toolbar to add the widget to.
target (QWidget): The target widget for the action.
"""
self.container = QWidget(parent=target)
layout = QHBoxLayout(self.container)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
if self.label is not None:
label_widget = QLabel(text=f"{self.label}", parent=target)
label_widget.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
label_widget.setAlignment(Qt.AlignVCenter | Qt.AlignRight)
layout.addWidget(label_widget)
if isinstance(self.widget, QComboBox) and self.adjust_size:
self.widget.setSizeAdjustPolicy(QComboBox.AdjustToContents)
size_policy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
self.widget.setSizePolicy(size_policy)
self.widget.setMinimumWidth(self.calculate_minimum_width(self.widget))
layout.addWidget(self.widget)
toolbar.addWidget(self.container)
# Store the container as the action to allow toggling visibility.
self.action = self.container
def cleanup(self):
"""
Cleans up the action by closing and deleting the container widget.
This method will be called automatically when the toolbar is cleaned up.
"""
if self.container is not None:
self.container.close()
self.container.deleteLater()
return super().cleanup()
@staticmethod
def calculate_minimum_width(combo_box: QComboBox) -> int:
font_metrics = combo_box.fontMetrics()
max_width = max(font_metrics.width(combo_box.itemText(i)) for i in range(combo_box.count()))
return max_width + 60
class ExpandableMenuAction(ToolBarAction):
"""
Action for an expandable menu in the toolbar.
Args:
label (str): The label for the menu.
actions (dict): A dictionary of actions to populate the menu.
icon_path (str, optional): The path to the icon file. Defaults to None.
"""
def __init__(self, label: str, actions: dict, icon_path: str = None):
super().__init__(icon_path, label)
self.actions = actions
def add_to_toolbar(self, toolbar: QToolBar, target: QWidget):
button = QToolButton(toolbar)
if self.icon_path:
button.setIcon(QIcon(self.icon_path))
button.setText(self.tooltip)
button.setPopupMode(QToolButton.InstantPopup)
button.setStyleSheet(
"""
QToolButton {
font-size: 14px;
}
QMenu {
font-size: 14px;
}
"""
)
menu = QMenu(button)
for action_container in self.actions.values():
action: QAction = action_container.action
action.setIconVisibleInMenu(True)
if action_container.icon_path:
icon = QIcon()
icon.addFile(action_container.icon_path, size=QSize(20, 20))
action.setIcon(icon)
elif hasattr(action, "get_icon") and callable(action_container.get_icon):
sub_icon = action_container.get_icon()
if sub_icon and not sub_icon.isNull():
action.setIcon(sub_icon)
action.setCheckable(action_container.checkable)
menu.addAction(action)
button.setMenu(menu)
toolbar.addWidget(button)
class DeviceComboBoxAction(WidgetAction):
"""
Action for a device selection combobox in the toolbar.
Args:
label (str): The label for the combobox.
device_combobox (QComboBox): The combobox for selecting the device.
"""
def __init__(
self,
target_widget: QWidget,
device_filter: list[BECDeviceFilter] | None = None,
readout_priority_filter: (
str | ReadoutPriority | list[str] | list[ReadoutPriority] | None
) = None,
tooltip: str | None = None,
add_empty_item: bool = False,
no_check_delegate: bool = False,
):
self.combobox = DeviceComboBox(
parent=target_widget,
device_filter=device_filter,
readout_priority_filter=readout_priority_filter,
)
super().__init__(widget=self.combobox, adjust_size=False)
if add_empty_item:
self.combobox.addItem("", None)
self.combobox.setCurrentText("")
if tooltip is not None:
self.combobox.setToolTip(tooltip)
if no_check_delegate:
self.combobox.setItemDelegate(NoCheckDelegate(self.combobox))
def cleanup(self):
"""
Cleans up the action by closing and deleting the combobox widget.
This method will be called automatically when the toolbar is cleaned up.
"""
if self.combobox is not None:
self.combobox.close()
self.combobox.deleteLater()
return super().cleanup()

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@@ -1,244 +0,0 @@
from __future__ import annotations
from collections import defaultdict
from typing import TYPE_CHECKING, DefaultDict
from weakref import ReferenceType
import louie
from bec_lib.logger import bec_logger
from pydantic import BaseModel
from bec_widgets.utils.toolbars.actions import SeparatorAction, ToolBarAction
if TYPE_CHECKING:
from bec_widgets.utils.toolbars.connections import BundleConnection
from bec_widgets.utils.toolbars.toolbar import ModularToolBar
logger = bec_logger.logger
class ActionInfo(BaseModel):
action: ToolBarAction
toolbar_bundle: ToolbarBundle | None = None
model_config = {"arbitrary_types_allowed": True}
class ToolbarComponents:
def __init__(self, toolbar: ModularToolBar):
"""
Initializes the toolbar components.
Args:
toolbar (ModularToolBar): The toolbar to which the components will be added.
"""
self.toolbar = toolbar
self._components: dict[str, ActionInfo] = {}
self.add("separator", SeparatorAction())
def add(self, name: str, component: ToolBarAction):
"""
Adds a component to the toolbar.
Args:
component (ToolBarAction): The component to add.
"""
if name in self._components:
raise ValueError(f"Component with name '{name}' already exists.")
self._components[name] = ActionInfo(action=component, toolbar_bundle=None)
def add_safe(self, name: str, component: ToolBarAction):
"""
Adds a component to the toolbar, ensuring it does not already exist.
Args:
name (str): The name of the component.
component (ToolBarAction): The component to add.
"""
if self.exists(name):
logger.info(f"Component with name '{name}' already exists. Skipping addition.")
return
self.add(name, component)
def exists(self, name: str) -> bool:
"""
Checks if a component exists in the toolbar.
Args:
name (str): The name of the component to check.
Returns:
bool: True if the component exists, False otherwise.
"""
return name in self._components
def get_action_reference(self, name: str) -> ReferenceType[ToolBarAction]:
"""
Retrieves a component by name.
Args:
name (str): The name of the component to retrieve.
"""
if not self.exists(name):
raise KeyError(f"Component with name '{name}' does not exist.")
return louie.saferef.safe_ref(self._components[name].action)
def get_action(self, name: str) -> ToolBarAction:
"""
Retrieves a component by name.
Args:
name (str): The name of the component to retrieve.
Returns:
ToolBarAction: The action associated with the given name.
"""
if not self.exists(name):
raise KeyError(
f"Component with name '{name}' does not exist. The following components are available: {list(self._components.keys())}"
)
return self._components[name].action
def set_bundle(self, name: str, bundle: ToolbarBundle):
"""
Sets the bundle for a component.
Args:
name (str): The name of the component.
bundle (ToolbarBundle): The bundle to set.
"""
if not self.exists(name):
raise KeyError(f"Component with name '{name}' does not exist.")
comp = self._components[name]
if comp.toolbar_bundle is not None:
logger.info(
f"Component '{name}' already has a bundle ({comp.toolbar_bundle.name}). Setting it to {bundle.name}."
)
comp.toolbar_bundle.bundle_actions.pop(name, None)
comp.toolbar_bundle = bundle
def remove_action(self, name: str):
"""
Removes a component from the toolbar.
Args:
name (str): The name of the component to remove.
"""
if not self.exists(name):
raise KeyError(f"Action with ID '{name}' does not exist.")
action_info = self._components.pop(name)
if action_info.toolbar_bundle:
action_info.toolbar_bundle.bundle_actions.pop(name, None)
self.toolbar.refresh()
action_info.toolbar_bundle = None
if hasattr(action_info.action, "cleanup"):
# Call cleanup if the action has a cleanup method
action_info.action.cleanup()
def cleanup(self):
"""
Cleans up the toolbar components by removing all actions and bundles.
"""
for action_info in self._components.values():
if hasattr(action_info.action, "cleanup"):
# Call cleanup if the action has a cleanup method
action_info.action.cleanup()
self._components.clear()
class ToolbarBundle:
def __init__(self, name: str, components: ToolbarComponents):
"""
Initializes a new bundle component.
Args:
bundle_name (str): Unique identifier for the bundle.
"""
self.name = name
self.components = components
self.bundle_actions: DefaultDict[str, ReferenceType[ToolBarAction]] = defaultdict()
self._connections: dict[str, BundleConnection] = {}
def add_action(self, name: str):
"""
Adds an action to the bundle.
Args:
name (str): Unique identifier for the action.
action (ToolBarAction): The action to add.
"""
if name in self.bundle_actions:
raise ValueError(f"Action with name '{name}' already exists in bundle '{self.name}'.")
if not self.components.exists(name):
raise ValueError(
f"Component with name '{name}' does not exist in the toolbar. Please add it first using the `ToolbarComponents.add` method."
)
self.bundle_actions[name] = self.components.get_action_reference(name)
self.components.set_bundle(name, self)
def remove_action(self, name: str):
"""
Removes an action from the bundle.
Args:
name (str): The name of the action to remove.
"""
if name not in self.bundle_actions:
raise KeyError(f"Action with name '{name}' does not exist in bundle '{self.name}'.")
del self.bundle_actions[name]
def add_separator(self):
"""
Adds a separator action to the bundle.
"""
self.add_action("separator")
def add_connection(self, name: str, connection):
"""
Adds a connection to the bundle.
Args:
name (str): Unique identifier for the connection.
connection: The connection to add.
"""
if name in self._connections:
raise ValueError(
f"Connection with name '{name}' already exists in bundle '{self.name}'."
)
self._connections[name] = connection
def remove_connection(self, name: str):
"""
Removes a connection from the bundle.
Args:
name (str): The name of the connection to remove.
"""
if name not in self._connections:
raise KeyError(f"Connection with name '{name}' does not exist in bundle '{self.name}'.")
self._connections[name].disconnect()
del self._connections[name]
def get_connection(self, name: str):
"""
Retrieves a connection by name.
Args:
name (str): The name of the connection to retrieve.
Returns:
The connection associated with the given name.
"""
if name not in self._connections:
raise KeyError(f"Connection with name '{name}' does not exist in bundle '{self.name}'.")
return self._connections[name]
def disconnect(self):
"""
Disconnects all connections in the bundle.
"""
for connection in self._connections.values():
connection.disconnect()
self._connections.clear()

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@@ -1,23 +0,0 @@
from __future__ import annotations
from abc import abstractmethod
from qtpy.QtCore import QObject
class BundleConnection(QObject):
bundle_name: str
@abstractmethod
def connect(self):
"""
Connects the bundle to the target widget or application.
This method should be implemented by subclasses to define how the bundle interacts with the target.
"""
@abstractmethod
def disconnect(self):
"""
Disconnects the bundle from the target widget or application.
This method should be implemented by subclasses to define how to clean up connections.
"""

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@@ -1,58 +0,0 @@
from __future__ import annotations
from typing import TYPE_CHECKING
from bec_widgets.utils.toolbars.actions import MaterialIconAction
from bec_widgets.utils.toolbars.bundles import ToolbarBundle
from bec_widgets.utils.toolbars.connections import BundleConnection
if TYPE_CHECKING:
from bec_widgets.utils.toolbars.toolbar import ToolbarComponents
def performance_bundle(components: ToolbarComponents) -> ToolbarBundle:
"""
Creates a performance toolbar bundle.
Args:
components (ToolbarComponents): The components to be added to the bundle.
Returns:
ToolbarBundle: The performance toolbar bundle.
"""
components.add_safe(
"fps_monitor",
MaterialIconAction(
icon_name="speed", tooltip="Show FPS Monitor", checkable=True, parent=components.toolbar
),
)
bundle = ToolbarBundle("performance", components)
bundle.add_action("fps_monitor")
return bundle
class PerformanceConnection(BundleConnection):
def __init__(self, components: ToolbarComponents, target_widget=None):
self.bundle_name = "performance"
self.components = components
self.target_widget = target_widget
if not hasattr(self.target_widget, "enable_fps_monitor"):
raise AttributeError("Target widget must implement 'enable_fps_monitor'.")
super().__init__()
self._connected = False
def connect(self):
self._connected = True
# Connect the action to the target widget's method
self.components.get_action_reference("fps_monitor")().action.toggled.connect(
lambda checked: setattr(self.target_widget, "enable_fps_monitor", checked)
)
def disconnect(self):
if not self._connected:
return
# Disconnect the action from the target widget's method
self.components.get_action_reference("fps_monitor")().action.toggled.disconnect(
lambda checked: setattr(self.target_widget, "enable_fps_monitor", checked)
)

View File

@@ -1,513 +0,0 @@
# pylint: disable=no-name-in-module
from __future__ import annotations
import sys
from collections import defaultdict
from typing import DefaultDict, Literal
from bec_lib.logger import bec_logger
from qtpy.QtCore import QSize, Qt
from qtpy.QtGui import QAction, QColor
from qtpy.QtWidgets import QApplication, QLabel, QMainWindow, QMenu, QToolBar, QVBoxLayout, QWidget
from bec_widgets.utils.colors import get_theme_name, set_theme
from bec_widgets.utils.toolbars.actions import MaterialIconAction, ToolBarAction
from bec_widgets.utils.toolbars.bundles import ToolbarBundle, ToolbarComponents
from bec_widgets.utils.toolbars.connections import BundleConnection
logger = bec_logger.logger
# Ensure that icons are shown in menus (especially on macOS)
QApplication.setAttribute(Qt.AA_DontShowIconsInMenus, False)
class ModularToolBar(QToolBar):
"""Modular toolbar with optional automatic initialization.
Args:
parent (QWidget, optional): The parent widget of the toolbar. Defaults to None.
actions (dict, optional): A dictionary of action creators to populate the toolbar. Defaults to None.
target_widget (QWidget, optional): The widget that the actions will target. Defaults to None.
orientation (Literal["horizontal", "vertical"], optional): The initial orientation of the toolbar. Defaults to "horizontal".
background_color (str, optional): The background color of the toolbar. Defaults to "rgba(0, 0, 0, 0)".
"""
def __init__(
self,
parent=None,
orientation: Literal["horizontal", "vertical"] = "horizontal",
background_color: str = "rgba(0, 0, 0, 0)",
):
super().__init__(parent=parent)
self.background_color = background_color
self.set_background_color(self.background_color)
# Set the initial orientation
self.set_orientation(orientation)
self.components = ToolbarComponents(self)
# Initialize bundles
self.bundles: dict[str, ToolbarBundle] = {}
self.shown_bundles: list[str] = []
#########################
# outdated items... remove
self.available_widgets: DefaultDict[str, ToolBarAction] = defaultdict()
########################
def new_bundle(self, name: str) -> ToolbarBundle:
"""
Creates a new bundle component.
Args:
name (str): Unique identifier for the bundle.
Returns:
ToolbarBundle: The new bundle component.
"""
if name in self.bundles:
raise ValueError(f"Bundle with name '{name}' already exists.")
bundle = ToolbarBundle(name=name, components=self.components)
self.bundles[name] = bundle
return bundle
def add_bundle(self, bundle: ToolbarBundle):
"""
Adds a bundle component to the toolbar.
Args:
bundle (ToolbarBundle): The bundle component to add.
"""
if bundle.name in self.bundles:
raise ValueError(f"Bundle with name '{bundle.name}' already exists.")
self.bundles[bundle.name] = bundle
if not bundle.bundle_actions:
logger.warning(f"Bundle '{bundle.name}' has no actions.")
def remove_bundle(self, name: str):
"""
Removes a bundle component by name.
Args:
name (str): The name of the bundle to remove.
"""
if name not in self.bundles:
raise KeyError(f"Bundle with name '{name}' does not exist.")
del self.bundles[name]
if name in self.shown_bundles:
self.shown_bundles.remove(name)
logger.info(f"Bundle '{name}' removed from the toolbar.")
def get_bundle(self, name: str) -> ToolbarBundle:
"""
Retrieves a bundle component by name.
Args:
name (str): The name of the bundle to retrieve.
Returns:
ToolbarBundle: The bundle component.
"""
if name not in self.bundles:
raise KeyError(
f"Bundle with name '{name}' does not exist. Available bundles: {list(self.bundles.keys())}"
)
return self.bundles[name]
def show_bundles(self, bundle_names: list[str]):
"""
Sets the bundles to be shown for the toolbar.
Args:
bundle_names (list[str]): A list of bundle names to show. If a bundle is not in this list, its actions will be hidden.
"""
self.clear()
for requested_bundle in bundle_names:
bundle = self.get_bundle(requested_bundle)
for bundle_action in bundle.bundle_actions.values():
action = bundle_action()
if action is None:
logger.warning(
f"Action for bundle '{requested_bundle}' has been deleted. Skipping."
)
continue
action.add_to_toolbar(self, self.parent())
separator = self.components.get_action_reference("separator")()
if separator is not None:
separator.add_to_toolbar(self, self.parent())
self.update_separators() # Ensure separators are updated after showing bundles
self.shown_bundles = bundle_names
def add_action(self, action_name: str, action: ToolBarAction):
"""
Adds a single action to the toolbar. It will create a new bundle
with the same name as the action.
Args:
action_name (str): Unique identifier for the action.
action (ToolBarAction): The action to add.
"""
self.components.add_safe(action_name, action)
bundle = ToolbarBundle(name=action_name, components=self.components)
bundle.add_action(action_name)
self.add_bundle(bundle)
def hide_action(self, action_name: str):
"""
Hides a specific action in the toolbar.
Args:
action_name (str): Unique identifier for the action to hide.
"""
action = self.components.get_action(action_name)
if hasattr(action, "action") and action.action is not None:
action.action.setVisible(False)
self.update_separators()
def show_action(self, action_name: str):
"""
Shows a specific action in the toolbar.
Args:
action_name (str): Unique identifier for the action to show.
"""
action = self.components.get_action(action_name)
if hasattr(action, "action") and action.action is not None:
action.action.setVisible(True)
self.update_separators()
@property
def toolbar_actions(self) -> list[ToolBarAction]:
"""
Returns a list of all actions currently in the toolbar.
Returns:
list[ToolBarAction]: List of actions in the toolbar.
"""
actions = []
for bundle in self.shown_bundles:
if bundle not in self.bundles:
continue
for action in self.bundles[bundle].bundle_actions.values():
action_instance = action()
if action_instance is not None:
actions.append(action_instance)
return actions
def refresh(self):
"""Refreshes the toolbar by clearing and re-populating it."""
self.clear()
self.show_bundles(self.shown_bundles)
def connect_bundle(self, connection_name: str, connector: BundleConnection):
"""
Connects a bundle to a target widget or application.
Args:
bundle_name (str): The name of the bundle to connect.
connector (BundleConnection): The connector instance that implements the connection logic.
"""
bundle_name = connector.bundle_name
if bundle_name not in self.bundles:
raise KeyError(f"Bundle with name '{bundle_name}' does not exist.")
connector.connect()
self.bundles[bundle_name].add_connection(connection_name, connector)
def disconnect_bundle(self, bundle_name: str, connection_name: str | None = None):
"""
Disconnects a bundle connection.
Args:
bundle_name (str): The name of the bundle to disconnect.
connection_name (str): The name of the connection to disconnect. If None, disconnects all connections for the bundle.
"""
if bundle_name not in self.bundles:
raise KeyError(f"Bundle with name '{bundle_name}' does not exist.")
bundle = self.bundles[bundle_name]
if connection_name is None:
# Disconnect all connections in the bundle
bundle.disconnect()
else:
bundle.remove_connection(name=connection_name)
def set_background_color(self, color: str = "rgba(0, 0, 0, 0)"):
"""
Sets the background color and other appearance settings.
Args:
color (str): The background color of the toolbar.
"""
self.setIconSize(QSize(20, 20))
self.setMovable(False)
self.setFloatable(False)
self.setContentsMargins(0, 0, 0, 0)
self.background_color = color
self.setStyleSheet(f"QToolBar {{ background-color: {color}; border: none; }}")
def set_orientation(self, orientation: Literal["horizontal", "vertical"]):
"""Sets the orientation of the toolbar.
Args:
orientation (Literal["horizontal", "vertical"]): The desired orientation of the toolbar.
"""
if orientation == "horizontal":
self.setOrientation(Qt.Horizontal)
elif orientation == "vertical":
self.setOrientation(Qt.Vertical)
else:
raise ValueError("Orientation must be 'horizontal' or 'vertical'.")
def update_material_icon_colors(self, new_color: str | tuple | QColor):
"""
Updates the color of all MaterialIconAction icons.
Args:
new_color (str | tuple | QColor): The new color.
"""
for action in self.available_widgets.values():
if isinstance(action, MaterialIconAction):
action.color = new_color
updated_icon = action.get_icon()
action.action.setIcon(updated_icon)
def contextMenuEvent(self, event):
"""
Overrides the context menu event to show toolbar actions with checkboxes and icons.
Args:
event (QContextMenuEvent): The context menu event.
"""
menu = QMenu(self)
theme = get_theme_name()
if theme == "dark":
menu.setStyleSheet(
"""
QMenu {
background-color: rgba(50, 50, 50, 0.9);
border: 1px solid rgba(255, 255, 255, 0.2);
}
QMenu::item:selected {
background-color: rgba(0, 0, 255, 0.2);
}
"""
)
else:
# Light theme styling
menu.setStyleSheet(
"""
QMenu {
background-color: rgba(255, 255, 255, 0.9);
border: 1px solid rgba(0, 0, 0, 0.2);
}
QMenu::item:selected {
background-color: rgba(0, 0, 255, 0.2);
}
"""
)
for ii, bundle in enumerate(self.shown_bundles):
self.handle_bundle_context_menu(menu, bundle)
if ii < len(self.shown_bundles) - 1:
menu.addSeparator()
menu.triggered.connect(self.handle_menu_triggered)
menu.exec_(event.globalPos())
def handle_bundle_context_menu(self, menu: QMenu, bundle_id: str):
"""
Adds bundle actions to the context menu.
Args:
menu (QMenu): The context menu.
bundle_id (str): The bundle identifier.
"""
bundle = self.bundles.get(bundle_id)
if not bundle:
return
for act_id in bundle.bundle_actions:
toolbar_action = self.components.get_action(act_id)
if not isinstance(toolbar_action, ToolBarAction) or not hasattr(
toolbar_action, "action"
):
continue
qaction = toolbar_action.action
if not isinstance(qaction, QAction):
continue
self._add_qaction_to_menu(menu, qaction, toolbar_action, act_id)
def _add_qaction_to_menu(
self, menu: QMenu, qaction: QAction, toolbar_action: ToolBarAction, act_id: str
):
display_name = qaction.text() or toolbar_action.tooltip or act_id
menu_action = QAction(display_name, self)
menu_action.setCheckable(True)
menu_action.setChecked(qaction.isVisible())
menu_action.setData(act_id) # Store the action_id
# Set the icon if available
if qaction.icon() and not qaction.icon().isNull():
menu_action.setIcon(qaction.icon())
menu.addAction(menu_action)
def handle_action_context_menu(self, menu: QMenu, action_id: str):
"""
Adds a single toolbar action to the context menu.
Args:
menu (QMenu): The context menu to which the action is added.
action_id (str): Unique identifier for the action.
"""
toolbar_action = self.available_widgets.get(action_id)
if not isinstance(toolbar_action, ToolBarAction) or not hasattr(toolbar_action, "action"):
return
qaction = toolbar_action.action
if not isinstance(qaction, QAction):
return
display_name = qaction.text() or toolbar_action.tooltip or action_id
menu_action = QAction(display_name, self)
menu_action.setCheckable(True)
menu_action.setChecked(qaction.isVisible())
menu_action.setIconVisibleInMenu(True)
menu_action.setData(action_id) # Store the action_id
# Set the icon if available
if qaction.icon() and not qaction.icon().isNull():
menu_action.setIcon(qaction.icon())
menu.addAction(menu_action)
def handle_menu_triggered(self, action):
"""
Handles the triggered signal from the context menu.
Args:
action: Action triggered.
"""
action_id = action.data()
if action_id:
self.toggle_action_visibility(action_id)
def toggle_action_visibility(self, action_id: str, visible: bool | None = None):
"""
Toggles the visibility of a specific action.
Args:
action_id (str): Unique identifier.
visible (bool): Whether the action should be visible. If None, toggles the current visibility.
"""
if not self.components.exists(action_id):
return
tool_action = self.components.get_action(action_id)
if hasattr(tool_action, "action") and tool_action.action is not None:
if visible is None:
visible = not tool_action.action.isVisible()
tool_action.action.setVisible(visible)
self.update_separators()
def update_separators(self):
"""
Hide separators that are adjacent to another separator or have no non-separator actions between them.
"""
toolbar_actions = self.actions()
# First pass: set visibility based on surrounding non-separator actions.
for i, action in enumerate(toolbar_actions):
if not action.isSeparator():
continue
prev_visible = None
for j in range(i - 1, -1, -1):
if toolbar_actions[j].isVisible():
prev_visible = toolbar_actions[j]
break
next_visible = None
for j in range(i + 1, len(toolbar_actions)):
if toolbar_actions[j].isVisible():
next_visible = toolbar_actions[j]
break
if (prev_visible is None or prev_visible.isSeparator()) and (
next_visible is None or next_visible.isSeparator()
):
action.setVisible(False)
else:
action.setVisible(True)
# Second pass: ensure no two visible separators are adjacent.
prev = None
for action in toolbar_actions:
if action.isVisible() and action.isSeparator():
if prev and prev.isSeparator():
action.setVisible(False)
else:
prev = action
else:
if action.isVisible():
prev = action
if not toolbar_actions:
return
# Make sure the first visible action is not a separator
for i, action in enumerate(toolbar_actions):
if action.isVisible():
if action.isSeparator():
action.setVisible(False)
break
# Make sure the last visible action is not a separator
for i, action in enumerate(reversed(toolbar_actions)):
if action.isVisible():
if action.isSeparator():
action.setVisible(False)
break
def cleanup(self):
"""
Cleans up the toolbar by removing all actions and bundles.
"""
# First, disconnect all bundles
for bundle_name in list(self.bundles.keys()):
self.disconnect_bundle(bundle_name)
# Clear all components
self.components.cleanup()
self.bundles.clear()
if __name__ == "__main__": # pragma: no cover
from bec_widgets.utils.toolbars.performance import PerformanceConnection, performance_bundle
from bec_widgets.widgets.plots.toolbar_components.plot_export import plot_export_bundle
class MainWindow(QMainWindow): # pragma: no cover
def __init__(self):
super().__init__()
self.setWindowTitle("Toolbar / ToolbarBundle Demo")
self.central_widget = QWidget()
self.setCentralWidget(self.central_widget)
self.test_label = QLabel(text="This is a test label.")
self.central_widget.layout = QVBoxLayout(self.central_widget)
self.central_widget.layout.addWidget(self.test_label)
self.toolbar = ModularToolBar(parent=self)
self.addToolBar(self.toolbar)
self.toolbar.add_bundle(performance_bundle(self.toolbar.components))
self.toolbar.add_bundle(plot_export_bundle(self.toolbar.components))
self.toolbar.connect_bundle(
"base", PerformanceConnection(self.toolbar.components, self)
)
self.toolbar.show_bundles(["performance", "plot_export"])
self.toolbar.get_bundle("performance").add_action("save")
self.toolbar.refresh()
def enable_fps_monitor(self, enabled: bool):
"""
Example method to enable or disable FPS monitoring.
This method should be implemented in the target widget.
"""
if enabled:
self.test_label.setText("FPS Monitor Enabled")
else:
self.test_label.setText("FPS Monitor Disabled")
app = QApplication(sys.argv)
set_theme("light")
main_window = MainWindow()
main_window.show()
sys.exit(app.exec_())

View File

@@ -2,14 +2,13 @@ from bec_lib.logger import bec_logger
from qtpy import PYQT6, PYSIDE6
from qtpy.QtCore import QFile, QIODevice
from bec_widgets.utils.bec_plugin_helper import get_all_plugin_widgets
from bec_widgets.utils.generate_designer_plugin import DesignerPluginInfo
from bec_widgets.utils.plugin_utils import get_custom_classes
logger = bec_logger.logger
if PYSIDE6:
from qtpy.QtUiTools import QUiLoader
from PySide6.QtUiTools import QUiLoader
class CustomUiLoader(QUiLoader):
def __init__(self, baseinstance, custom_widgets: dict | None = None):
@@ -31,9 +30,9 @@ class UILoader:
def __init__(self, parent=None):
self.parent = parent
self.custom_widgets = (
get_custom_classes("bec_widgets") + get_all_plugin_widgets()
).as_dict()
widgets = get_custom_classes("bec_widgets").classes
self.custom_widgets = {widget.__name__: widget for widget in widgets}
if PYSIDE6:
self.loader = self.load_ui_pyside6

View File

@@ -264,48 +264,6 @@ class WidgetIO:
return WidgetIO._handlers[base]
return None
@staticmethod
def find_widgets(widget_class: QWidget | str, recursive: bool = True) -> list[QWidget]:
"""
Return widgets matching the given class (or class-name string).
Args:
widget_class: Either a QWidget subclass or its class-name as a string.
recursive: If True (default), traverse all top-level widgets and their children;
if False, scan app.allWidgets() for a flat list.
Returns:
List of QWidget instances matching the class or class-name.
"""
app = QApplication.instance()
if app is None:
raise RuntimeError("No QApplication instance found.")
# Match by class-name string
if isinstance(widget_class, str):
name = widget_class
if recursive:
result: list[QWidget] = []
for top in app.topLevelWidgets():
if top.__class__.__name__ == name:
result.append(top)
result.extend(
w for w in top.findChildren(QWidget) if w.__class__.__name__ == name
)
return result
return [w for w in app.allWidgets() if w.__class__.__name__ == name]
# Match by actual class
if recursive:
result: list[QWidget] = []
for top in app.topLevelWidgets():
if isinstance(top, widget_class):
result.append(top)
result.extend(top.findChildren(widget_class))
return result
return [w for w in app.allWidgets() if isinstance(w, widget_class)]
################## for exporting and importing widget hierarchies ##################

View File

@@ -12,11 +12,10 @@ from bec_widgets.cli.rpc.rpc_widget_handler import widget_handler
from bec_widgets.utils import ConnectionConfig, GridLayoutManager
from bec_widgets.utils.bec_widget import BECWidget
from bec_widgets.utils.container_utils import WidgetContainerUtils
from bec_widgets.utils.error_popups import SafeSlot
logger = bec_logger.logger
if TYPE_CHECKING: # pragma: no cover
if TYPE_CHECKING:
from qtpy.QtWidgets import QWidget
from bec_widgets.widgets.containers.dock.dock_area import BECDockArea
@@ -131,6 +130,7 @@ class BECDock(BECWidget, Dock):
self,
parent: QWidget | None = None,
parent_dock_area: BECDockArea | None = None,
parent_id: str | None = None,
config: DockConfig | None = None,
name: str | None = None,
object_name: str | None = None,
@@ -279,7 +279,6 @@ class BECDock(BECWidget, Dock):
widgets.extend(dock.elements.keys())
return widgets
@SafeSlot(popup_error=True)
def new(
self,
widget: BECWidget | str,
@@ -302,9 +301,6 @@ class BECDock(BECWidget, Dock):
colspan(int): The number of columns the widget should span.
shift(Literal["down", "up", "left", "right"]): The direction to shift the widgets if the position is occupied.
"""
if name is not None:
WidgetContainerUtils.raise_for_invalid_name(name, container=self)
if row is None:
row = self.layout.rowCount()
@@ -320,7 +316,11 @@ class BECDock(BECWidget, Dock):
widget = cast(
BECWidget,
widget_handler.create_widget(
widget_type=widget, object_name=name, parent_dock=self, parent=self
widget_type=widget,
object_name=name,
parent_dock=self,
parent_id=self.gui_id,
parent=self,
),
)
else:
@@ -416,7 +416,6 @@ class BECDock(BECWidget, Dock):
self.delete_all()
self.widgets.clear()
super().cleanup()
self.deleteLater()
def close(self):
"""

View File

@@ -14,21 +14,18 @@ from bec_widgets.cli.rpc.rpc_register import RPCRegister
from bec_widgets.utils import ConnectionConfig, WidgetContainerUtils
from bec_widgets.utils.bec_widget import BECWidget
from bec_widgets.utils.error_popups import SafeSlot
from bec_widgets.utils.name_utils import pascal_to_snake
from bec_widgets.utils.toolbars.actions import (
from bec_widgets.utils.toolbar import (
ExpandableMenuAction,
MaterialIconAction,
WidgetAction,
ModularToolBar,
SeparatorAction,
)
from bec_widgets.utils.toolbars.bundles import ToolbarBundle
from bec_widgets.utils.toolbars.toolbar import ModularToolBar
from bec_widgets.utils.widget_io import WidgetHierarchy
from bec_widgets.widgets.containers.dock.dock import BECDock, DockConfig
from bec_widgets.widgets.containers.main_window.main_window import BECMainWindow
from bec_widgets.widgets.control.device_control.positioner_box import PositionerBox
from bec_widgets.widgets.control.scan_control.scan_control import ScanControl
from bec_widgets.widgets.editors.vscode.vscode import VSCodeEditor
from bec_widgets.widgets.plots.heatmap.heatmap import Heatmap
from bec_widgets.widgets.plots.image.image import Image
from bec_widgets.widgets.plots.motor_map.motor_map import MotorMap
from bec_widgets.widgets.plots.multi_waveform.multi_waveform import MultiWaveform
@@ -104,242 +101,148 @@ class BECDockArea(BECWidget, QWidget):
self._instructions_visible = True
self.dark_mode_button = DarkModeButton(parent=self, toolbar=True)
self.dock_area = DockArea(parent=self)
self.toolbar = ModularToolBar(parent=self)
self._setup_toolbar()
self.dark_mode_button = DarkModeButton(parent=self, parent_id=self.gui_id, toolbar=True)
self.dock_area = DockArea()
self.toolbar = ModularToolBar(
parent=self,
actions={
"menu_plots": ExpandableMenuAction(
label="Add Plot ",
actions={
"waveform": MaterialIconAction(
icon_name=Waveform.ICON_NAME, tooltip="Add Waveform", filled=True
),
"scatter_waveform": MaterialIconAction(
icon_name=ScatterWaveform.ICON_NAME,
tooltip="Add Scatter Waveform",
filled=True,
),
"multi_waveform": MaterialIconAction(
icon_name=MultiWaveform.ICON_NAME,
tooltip="Add Multi Waveform",
filled=True,
),
"image": MaterialIconAction(
icon_name=Image.ICON_NAME, tooltip="Add Image", filled=True
),
"motor_map": MaterialIconAction(
icon_name=MotorMap.ICON_NAME, tooltip="Add Motor Map", filled=True
),
},
),
"separator_0": SeparatorAction(),
"menu_devices": ExpandableMenuAction(
label="Add Device Control ",
actions={
"scan_control": MaterialIconAction(
icon_name=ScanControl.ICON_NAME, tooltip="Add Scan Control", filled=True
),
"positioner_box": MaterialIconAction(
icon_name=PositionerBox.ICON_NAME, tooltip="Add Device Box", filled=True
),
},
),
"separator_1": SeparatorAction(),
"menu_utils": ExpandableMenuAction(
label="Add Utils ",
actions={
"queue": MaterialIconAction(
icon_name=BECQueue.ICON_NAME, tooltip="Add Scan Queue", filled=True
),
"vs_code": MaterialIconAction(
icon_name=VSCodeEditor.ICON_NAME, tooltip="Add VS Code", filled=True
),
"status": MaterialIconAction(
icon_name=BECStatusBox.ICON_NAME,
tooltip="Add BEC Status Box",
filled=True,
),
"progress_bar": MaterialIconAction(
icon_name=RingProgressBar.ICON_NAME,
tooltip="Add Circular ProgressBar",
filled=True,
),
"log_panel": MaterialIconAction(
icon_name=LogPanel.ICON_NAME, tooltip="Add LogPanel", filled=True
),
},
),
"separator_2": SeparatorAction(),
"attach_all": MaterialIconAction(
icon_name="zoom_in_map", tooltip="Attach all floating docks"
),
"save_state": MaterialIconAction(icon_name="bookmark", tooltip="Save Dock State"),
"restore_state": MaterialIconAction(
icon_name="frame_reload", tooltip="Restore Dock State"
),
},
target_widget=self,
)
self.layout.addWidget(self.toolbar)
self.layout.addWidget(self.dock_area)
self.spacer = QWidget()
self.spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.toolbar.addWidget(self.spacer)
self.toolbar.addWidget(self.dark_mode_button)
self._hook_toolbar()
self.toolbar.show_bundles(
["menu_plots", "menu_devices", "menu_utils", "dock_actions", "dark_mode"]
)
def minimumSizeHint(self):
return QSize(800, 600)
def _setup_toolbar(self):
# Add plot menu
self.toolbar.components.add_safe(
"menu_plots",
ExpandableMenuAction(
label="Add Plot ",
actions={
"waveform": MaterialIconAction(
icon_name=Waveform.ICON_NAME,
tooltip="Add Waveform",
filled=True,
parent=self,
),
"scatter_waveform": MaterialIconAction(
icon_name=ScatterWaveform.ICON_NAME,
tooltip="Add Scatter Waveform",
filled=True,
parent=self,
),
"multi_waveform": MaterialIconAction(
icon_name=MultiWaveform.ICON_NAME,
tooltip="Add Multi Waveform",
filled=True,
parent=self,
),
"image": MaterialIconAction(
icon_name=Image.ICON_NAME, tooltip="Add Image", filled=True, parent=self
),
"motor_map": MaterialIconAction(
icon_name=MotorMap.ICON_NAME,
tooltip="Add Motor Map",
filled=True,
parent=self,
),
"heatmap": MaterialIconAction(
icon_name=Heatmap.ICON_NAME, tooltip="Add Heatmap", filled=True, parent=self
),
},
),
)
bundle = ToolbarBundle("menu_plots", self.toolbar.components)
bundle.add_action("menu_plots")
self.toolbar.add_bundle(bundle)
# Add control menu
self.toolbar.components.add_safe(
"menu_devices",
ExpandableMenuAction(
label="Add Device Control ",
actions={
"scan_control": MaterialIconAction(
icon_name=ScanControl.ICON_NAME,
tooltip="Add Scan Control",
filled=True,
parent=self,
),
"positioner_box": MaterialIconAction(
icon_name=PositionerBox.ICON_NAME,
tooltip="Add Device Box",
filled=True,
parent=self,
),
},
),
)
bundle = ToolbarBundle("menu_devices", self.toolbar.components)
bundle.add_action("menu_devices")
self.toolbar.add_bundle(bundle)
# Add utils menu
self.toolbar.components.add_safe(
"menu_utils",
ExpandableMenuAction(
label="Add Utils ",
actions={
"queue": MaterialIconAction(
icon_name=BECQueue.ICON_NAME,
tooltip="Add Scan Queue",
filled=True,
parent=self,
),
"vs_code": MaterialIconAction(
icon_name=VSCodeEditor.ICON_NAME,
tooltip="Add VS Code",
filled=True,
parent=self,
),
"status": MaterialIconAction(
icon_name=BECStatusBox.ICON_NAME,
tooltip="Add BEC Status Box",
filled=True,
parent=self,
),
"progress_bar": MaterialIconAction(
icon_name=RingProgressBar.ICON_NAME,
tooltip="Add Circular ProgressBar",
filled=True,
parent=self,
),
# FIXME temporarily disabled -> issue #644
"log_panel": MaterialIconAction(
icon_name=LogPanel.ICON_NAME,
tooltip="Add LogPanel - Disabled",
filled=True,
parent=self,
),
"sbb_monitor": MaterialIconAction(
icon_name="train", tooltip="Add SBB Monitor", filled=True, parent=self
),
},
),
)
bundle = ToolbarBundle("menu_utils", self.toolbar.components)
bundle.add_action("menu_utils")
self.toolbar.add_bundle(bundle)
########## Dock Actions ##########
spacer = QWidget(parent=self)
spacer.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.toolbar.components.add_safe("spacer", WidgetAction(widget=spacer, adjust_size=False))
self.toolbar.components.add_safe(
"dark_mode", WidgetAction(widget=self.dark_mode_button, adjust_size=False)
)
bundle = ToolbarBundle("dark_mode", self.toolbar.components)
bundle.add_action("spacer")
bundle.add_action("dark_mode")
self.toolbar.add_bundle(bundle)
self.toolbar.components.add_safe(
"attach_all",
MaterialIconAction(
icon_name="zoom_in_map", tooltip="Attach all floating docks", parent=self
),
)
self.toolbar.components.add_safe(
"save_state",
MaterialIconAction(icon_name="bookmark", tooltip="Save Dock State", parent=self),
)
self.toolbar.components.add_safe(
"restore_state",
MaterialIconAction(icon_name="frame_reload", tooltip="Restore Dock State", parent=self),
)
bundle = ToolbarBundle("dock_actions", self.toolbar.components)
bundle.add_action("attach_all")
bundle.add_action("save_state")
bundle.add_action("restore_state")
self.toolbar.add_bundle(bundle)
def _hook_toolbar(self):
menu_plots = self.toolbar.components.get_action("menu_plots")
menu_devices = self.toolbar.components.get_action("menu_devices")
menu_utils = self.toolbar.components.get_action("menu_utils")
menu_plots.actions["waveform"].action.triggered.connect(
# Menu Plot
self.toolbar.widgets["menu_plots"].widgets["waveform"].triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="Waveform")
)
menu_plots.actions["scatter_waveform"].action.triggered.connect(
self.toolbar.widgets["menu_plots"].widgets["scatter_waveform"].triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="ScatterWaveform")
)
menu_plots.actions["multi_waveform"].action.triggered.connect(
self.toolbar.widgets["menu_plots"].widgets["multi_waveform"].triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="MultiWaveform")
)
menu_plots.actions["image"].action.triggered.connect(
self.toolbar.widgets["menu_plots"].widgets["image"].triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="Image")
)
menu_plots.actions["motor_map"].action.triggered.connect(
self.toolbar.widgets["menu_plots"].widgets["motor_map"].triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="MotorMap")
)
menu_plots.actions["heatmap"].action.triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="Heatmap")
)
# Menu Devices
menu_devices.actions["scan_control"].action.triggered.connect(
self.toolbar.widgets["menu_devices"].widgets["scan_control"].triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="ScanControl")
)
menu_devices.actions["positioner_box"].action.triggered.connect(
self.toolbar.widgets["menu_devices"].widgets["positioner_box"].triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="PositionerBox")
)
# Menu Utils
menu_utils.actions["queue"].action.triggered.connect(
self.toolbar.widgets["menu_utils"].widgets["queue"].triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="BECQueue")
)
menu_utils.actions["status"].action.triggered.connect(
self.toolbar.widgets["menu_utils"].widgets["status"].triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="BECStatusBox")
)
menu_utils.actions["vs_code"].action.triggered.connect(
self.toolbar.widgets["menu_utils"].widgets["vs_code"].triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="VSCodeEditor")
)
menu_utils.actions["progress_bar"].action.triggered.connect(
self.toolbar.widgets["menu_utils"].widgets["progress_bar"].triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="RingProgressBar")
)
# FIXME temporarily disabled -> issue #644
menu_utils.actions["log_panel"].action.setEnabled(False)
menu_utils.actions["sbb_monitor"].action.triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="SBBMonitor")
self.toolbar.widgets["menu_utils"].widgets["log_panel"].triggered.connect(
lambda: self._create_widget_from_toolbar(widget_name="LogPanel")
)
# Icons
self.toolbar.components.get_action("attach_all").action.triggered.connect(self.attach_all)
self.toolbar.components.get_action("save_state").action.triggered.connect(self.save_state)
self.toolbar.components.get_action("restore_state").action.triggered.connect(
self.restore_state
)
self.toolbar.widgets["attach_all"].action.triggered.connect(self.attach_all)
self.toolbar.widgets["save_state"].action.triggered.connect(self.save_state)
self.toolbar.widgets["restore_state"].action.triggered.connect(self.restore_state)
@SafeSlot()
def _create_widget_from_toolbar(self, widget_name: str) -> None:
# Run with RPC broadcast to namespace of all widgets
with RPCRegister.delayed_broadcast():
name = pascal_to_snake(widget_name)
dock_name = WidgetContainerUtils.generate_unique_name(name, self.panels.keys())
dock_name = WidgetContainerUtils.generate_unique_name(widget_name, self.panels.keys())
self.new(name=dock_name, widget=widget_name)
def paintEvent(self, event: QPaintEvent): # TODO decide if we want any default instructions
@@ -403,8 +306,6 @@ class BECDockArea(BECWidget, QWidget):
"""
if state is None:
state = self.config.docks_state
if state is None:
return
self.dock_area.restoreState(state, missing=missing, extra=extra)
@SafeSlot()
@@ -461,8 +362,6 @@ class BECDockArea(BECWidget, QWidget):
f"Name {name} must be unique for docks, but already exists in DockArea "
f"with name: {self.object_name} and id {self.gui_id}."
)
WidgetContainerUtils.raise_for_invalid_name(name, container=self)
else: # Name is not provided
name = WidgetContainerUtils.generate_unique_name(name="dock", list_of_names=dock_names)
@@ -471,6 +370,7 @@ class BECDockArea(BECWidget, QWidget):
name=name, # this is dock name pyqtgraph property, this is displayed on label
object_name=name, # this is a real qt object name passed to BECConnector
parent_dock_area=self,
parent_id=self.gui_id,
closable=closable,
)
dock.config.position = position
@@ -540,8 +440,12 @@ class BECDockArea(BECWidget, QWidget):
Cleanup the dock area.
"""
self.delete_all()
self.toolbar.close()
self.toolbar.deleteLater()
self.dark_mode_button.close()
self.dark_mode_button.deleteLater()
self.dock_area.close()
self.dock_area.deleteLater()
super().cleanup()
def show(self):

View File

@@ -1,5 +1,3 @@
from __future__ import annotations
import math
import sys
from typing import Dict, Literal, Optional, Set, Tuple, Union
@@ -53,7 +51,7 @@ class LayoutManagerWidget(QWidget):
self,
widget: QWidget | str,
row: int | None = None,
col: int | None = None,
col: Optional[int] = None,
rowspan: int = 1,
colspan: int = 1,
shift_existing: bool = True,
@@ -138,39 +136,6 @@ class LayoutManagerWidget(QWidget):
ref_row, ref_col, ref_rowspan, ref_colspan = self.widget_positions[reference_widget]
# Determine new widget position based on the specified relative position
# If adding to the left or right with shifting, shift the entire column
if (
position in ("left", "right")
and shift_existing
and shift_direction in ("left", "right")
):
column = ref_col
# Collect all rows in this column and sort for safe shifting
rows = sorted(
{row for (row, col) in self.position_widgets.keys() if col == column},
reverse=(shift_direction == "right"),
)
# Shift each widget in the column
for r in rows:
self.shift_widgets(direction=shift_direction, start_row=r, start_col=column)
# Update reference widget's position after the column shift
ref_row, ref_col, ref_rowspan, ref_colspan = self.widget_positions[reference_widget]
new_row = ref_row
# Compute insertion column based on relative position
if position == "left":
new_col = ref_col - ref_colspan
else:
new_col = ref_col + ref_colspan
# Add the new widget without triggering another shift
return self.add_widget(
widget=widget,
row=new_row,
col=new_col,
rowspan=rowspan,
colspan=colspan,
shift_existing=False,
)
if position == "left":
new_row = ref_row
new_col = ref_col - 1

View File

@@ -1,115 +0,0 @@
import sys
from qtpy.QtCore import QPoint, Qt
from qtpy.QtWidgets import QApplication, QHBoxLayout, QLabel, QProgressBar, QVBoxLayout, QWidget
class WidgetTooltip(QWidget):
"""Frameless, always-on-top window that behaves like a tooltip."""
def __init__(self, content: QWidget) -> None:
super().__init__(None, Qt.ToolTip | Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint)
self.setAttribute(Qt.WA_ShowWithoutActivating)
self.setMouseTracking(True)
self.content = content
layout = QVBoxLayout(self)
layout.setContentsMargins(6, 6, 6, 6)
layout.addWidget(self.content)
self.adjustSize()
def leaveEvent(self, _event) -> None:
self.hide()
def show_above(self, global_pos: QPoint, offset: int = 8) -> None:
self.adjustSize()
screen = QApplication.screenAt(global_pos) or QApplication.primaryScreen()
screen_geo = screen.availableGeometry()
geom = self.geometry()
x = global_pos.x() - geom.width() // 2
y = global_pos.y() - geom.height() - offset
x = max(screen_geo.left(), min(x, screen_geo.right() - geom.width()))
y = max(screen_geo.top(), min(y, screen_geo.bottom() - geom.height()))
self.move(x, y)
self.show()
class HoverWidget(QWidget):
def __init__(self, parent: QWidget | None = None, *, simple: QWidget, full: QWidget):
super().__init__(parent)
self._simple = simple
self._full = full
self._full.setVisible(False)
self._tooltip = None
lay = QVBoxLayout(self)
lay.setContentsMargins(0, 0, 0, 0)
lay.addWidget(simple)
def enterEvent(self, event):
# suppress empty-label tooltips for labels
if isinstance(self._full, QLabel) and not self._full.text():
return
if self._tooltip is None: # first time only
self._tooltip = WidgetTooltip(self._full)
self._full.setVisible(True)
centre = self.mapToGlobal(self.rect().center())
self._tooltip.show_above(centre)
super().enterEvent(event)
def leaveEvent(self, event):
if self._tooltip and self._tooltip.isVisible():
self._tooltip.hide()
super().leaveEvent(event)
def close(self):
if self._tooltip:
self._tooltip.close()
self._tooltip.deleteLater()
self._tooltip = None
super().close()
################################################################################
# Demo
# Just a simple example to show how the HoverWidget can be used to display
# a tooltip with a full widget inside (two different widgets are used
# for the simple and full versions).
################################################################################
class DemoSimpleWidget(QLabel): # pragma: no cover
"""A simple widget to be used as a trigger for the tooltip."""
def __init__(self) -> None:
super().__init__()
self.setText("Hover me for a preview!")
class DemoFullWidget(QProgressBar): # pragma: no cover
"""A full widget to be shown in the tooltip."""
def __init__(self) -> None:
super().__init__()
self.setRange(0, 100)
self.setValue(75)
self.setFixedWidth(320)
self.setFixedHeight(30)
if __name__ == "__main__": # pragma: no cover
app = QApplication(sys.argv)
window = QWidget()
window.layout = QHBoxLayout(window)
hover_widget = HoverWidget(simple=DemoSimpleWidget(), full=DemoFullWidget())
window.layout.addWidget(hover_widget)
window.show()
sys.exit(app.exec_())

View File

@@ -1,110 +0,0 @@
from qtpy.QtCore import QTimer
from qtpy.QtGui import QFontMetrics, QPainter
from qtpy.QtWidgets import QLabel
class ScrollLabel(QLabel):
"""A QLabel that scrolls its text horizontally across the widget."""
def __init__(self, parent=None, speed_ms=30, step_px=1, delay_ms=2000):
super().__init__(parent=parent)
self._offset = 0
self._text_width = 0
# scrolling timer (runs continuously once started)
self._timer = QTimer(self)
self._timer.setInterval(speed_ms)
self._timer.timeout.connect(self._scroll)
# delaybeforescroll timer (singleshot)
self._delay_timer = QTimer(self)
self._delay_timer.setSingleShot(True)
self._delay_timer.setInterval(delay_ms)
self._delay_timer.timeout.connect(self._timer.start)
self._step_px = step_px
def setText(self, text):
"""
Overridden to ensure that new text replaces the current one
immediately.
If the label was already scrolling (or in its delay phase),
the next message starts **without** the extra delay.
"""
# Determine whether the widget was already in a scrolling cycle
was_scrolling = self._timer.isActive() or self._delay_timer.isActive()
super().setText(text)
fm = QFontMetrics(self.font())
self._text_width = fm.horizontalAdvance(text)
self._offset = 0
# Skip the delay when we were already scrolling
self._update_timer(skip_delay=was_scrolling)
def resizeEvent(self, event):
super().resizeEvent(event)
self._update_timer()
def _update_timer(self, *, skip_delay: bool = False):
"""
Decide whether to start or stop scrolling.
If the text is wider than the visible area, start a singleshot
delay timer (2s by default). Scrolling begins only after this
delay. Any change (resize or new text) restarts the logic.
"""
needs_scroll = self._text_width > self.width()
if needs_scroll:
# Reset any running timers
if self._timer.isActive():
self._timer.stop()
if self._delay_timer.isActive():
self._delay_timer.stop()
self._offset = 0
# Start scrolling immediately when we should skip the delay,
# otherwise apply the configured delay_ms interval
if skip_delay:
self._timer.start()
else:
self._delay_timer.start()
else:
if self._delay_timer.isActive():
self._delay_timer.stop()
if self._timer.isActive():
self._timer.stop()
self.update()
def _scroll(self):
self._offset += self._step_px
if self._offset >= self._text_width:
self._offset = 0
self.update()
def paintEvent(self, event):
painter = QPainter(self)
painter.setRenderHint(QPainter.TextAntialiasing)
text = self.text()
if not text:
return
fm = QFontMetrics(self.font())
y = (self.height() + fm.ascent() - fm.descent()) // 2
if self._text_width <= self.width():
painter.drawText(0, y, text)
else:
x = -self._offset
gap = 50 # space between repeating text blocks
while x < self.width():
painter.drawText(x, y, text)
x += self._text_width + gap
def cleanup(self):
"""Stop all timers to prevent memory leaks."""
if self._timer.isActive():
self._timer.stop()
if self._delay_timer.isActive():
self._delay_timer.stop()

View File

@@ -1,31 +1,17 @@
from __future__ import annotations
import os
from bec_lib.endpoints import MessageEndpoints
from qtpy.QtCore import QEasingCurve, QEvent, QPropertyAnimation, QSize, Qt, QTimer
from qtpy.QtCore import QSize
from qtpy.QtGui import QAction, QActionGroup, QIcon
from qtpy.QtWidgets import (
QApplication,
QFrame,
QHBoxLayout,
QLabel,
QMainWindow,
QStyle,
QVBoxLayout,
QWidget,
)
from qtpy.QtWidgets import QApplication, QMainWindow, QStyle
import bec_widgets
from bec_widgets.utils import UILoader
from bec_widgets.utils.bec_widget import BECWidget
from bec_widgets.utils.colors import apply_theme
from bec_widgets.utils.container_utils import WidgetContainerUtils
from bec_widgets.utils.error_popups import SafeSlot
from bec_widgets.utils.widget_io import WidgetHierarchy
from bec_widgets.widgets.containers.main_window.addons.hover_widget import HoverWidget
from bec_widgets.widgets.containers.main_window.addons.scroll_label import ScrollLabel
from bec_widgets.widgets.containers.main_window.addons.web_links import BECWebLinksMixin
from bec_widgets.widgets.progress.scan_progressbar.scan_progressbar import ScanProgressBar
MODULE_PATH = os.path.dirname(bec_widgets.__file__)
@@ -33,8 +19,6 @@ MODULE_PATH = os.path.dirname(bec_widgets.__file__)
class BECMainWindow(BECWidget, QMainWindow):
RPC = False
PLUGIN = False
SCAN_PROGRESS_WIDTH = 100 # px
STATUS_BAR_WIDGETS_EXPIRE_TIME = 60_000 # milliseconds
def __init__(
self,
@@ -48,19 +32,10 @@ class BECMainWindow(BECWidget, QMainWindow):
super().__init__(parent=parent, gui_id=gui_id, **kwargs)
self.app = QApplication.instance()
self.status_bar = self.statusBar()
self.setWindowTitle(window_title)
self._init_ui()
self._connect_to_theme_change()
# Connections to BEC Notifications
self.bec_dispatcher.connect_slot(
self.display_client_message, MessageEndpoints.client_info()
)
################################################################################
# MainWindow Elements Initialization
################################################################################
def _init_ui(self):
# Set the icon
@@ -68,189 +43,40 @@ class BECMainWindow(BECWidget, QMainWindow):
# Set Menu and Status bar
self._setup_menu_bar()
self._init_status_bar_widgets()
# BEC Specific UI
self.display_app_id()
def _init_status_bar_widgets(self):
"""
Prepare the BEC specific widgets in the status bar.
"""
# Left: AppID label
self._app_id_label = QLabel()
self._app_id_label.setAlignment(
Qt.AlignmentFlag.AlignHCenter | Qt.AlignmentFlag.AlignVCenter
)
self.status_bar.addWidget(self._app_id_label)
# Add a separator after the app ID label
self._add_separator()
# Centre: Clientinfo label (stretch=1 so it expands)
self._add_client_info_label()
# Add scan_progress bar with display logic
self._add_scan_progress_bar()
################################################################################
# Client message status bar widget helpers
def _add_client_info_label(self):
"""
Add a client info label to the status bar.
This label will display messages from the BEC dispatcher.
"""
# Scroll label for client info in Status Bar
self._client_info_label = ScrollLabel(self)
self._client_info_label.setAlignment(
Qt.AlignmentFlag.AlignHCenter | Qt.AlignmentFlag.AlignVCenter
)
# Full label used in the hover widget
self._client_info_label_full = QLabel(self)
self._client_info_label_full.setAlignment(
Qt.AlignmentFlag.AlignHCenter | Qt.AlignmentFlag.AlignVCenter
)
# Hover widget to show the full client info label
self._client_info_hover = HoverWidget(
self, simple=self._client_info_label, full=self._client_info_label_full
)
self.status_bar.addWidget(self._client_info_hover, 1)
# Timer to automatically clear client messages once they expire
self._client_info_expire_timer = QTimer(self)
self._client_info_expire_timer.setSingleShot(True)
self._client_info_expire_timer.timeout.connect(lambda: self._client_info_label.setText(""))
self._client_info_expire_timer.timeout.connect(
lambda: self._client_info_label_full.setText("")
)
################################################################################
# Progressbar helpers
def _add_scan_progress_bar(self):
# Setting HoverWidget for the scan progress bar - minimal and full version
self._scan_progress_bar_simple = ScanProgressBar(self, one_line_design=True)
self._scan_progress_bar_simple.show_elapsed_time = False
self._scan_progress_bar_simple.show_remaining_time = False
self._scan_progress_bar_simple.show_source_label = False
self._scan_progress_bar_simple.progressbar.label_template = ""
self._scan_progress_bar_simple.progressbar.setFixedHeight(8)
self._scan_progress_bar_simple.progressbar.setFixedWidth(80)
self._scan_progress_bar_full = ScanProgressBar(self)
self._scan_progress_hover = HoverWidget(
self, simple=self._scan_progress_bar_simple, full=self._scan_progress_bar_full
)
# Bundle the progress bar with a separator
separator = self._add_separator(separate_object=True)
self._scan_progress_bar_with_separator = QWidget()
self._scan_progress_bar_with_separator.layout = QHBoxLayout(
self._scan_progress_bar_with_separator
)
self._scan_progress_bar_with_separator.layout.setContentsMargins(0, 0, 0, 0)
self._scan_progress_bar_with_separator.layout.setSpacing(0)
self._scan_progress_bar_with_separator.layout.addWidget(separator)
self._scan_progress_bar_with_separator.layout.addWidget(self._scan_progress_hover)
# Set Size
self._scan_progress_bar_target_width = self.SCAN_PROGRESS_WIDTH
self._scan_progress_bar_with_separator.setMaximumWidth(self._scan_progress_bar_target_width)
self.status_bar.addWidget(self._scan_progress_bar_with_separator)
# Visibility logic
self._scan_progress_bar_with_separator.hide()
self._scan_progress_bar_with_separator.setMaximumWidth(0)
# Timer for hiding logic
self._scan_progress_hide_timer = QTimer(self)
self._scan_progress_hide_timer.setSingleShot(True)
self._scan_progress_hide_timer.setInterval(self.STATUS_BAR_WIDGETS_EXPIRE_TIME)
self._scan_progress_hide_timer.timeout.connect(self._animate_hide_scan_progress_bar)
# Show / hide behaviour
self._scan_progress_bar_simple.progress_started.connect(self._show_scan_progress_bar)
self._scan_progress_bar_simple.progress_finished.connect(self._delay_hide_scan_progress_bar)
def _show_scan_progress_bar(self):
if self._scan_progress_hide_timer.isActive():
self._scan_progress_hide_timer.stop()
if self._scan_progress_bar_with_separator.isVisible():
return
# Make visible and reset width
self._scan_progress_bar_with_separator.show()
self._scan_progress_bar_with_separator.setMaximumWidth(0)
self._show_container_anim = QPropertyAnimation(
self._scan_progress_bar_with_separator, b"maximumWidth", self
)
self._show_container_anim.setDuration(300)
self._show_container_anim.setStartValue(0)
self._show_container_anim.setEndValue(self._scan_progress_bar_target_width)
self._show_container_anim.setEasingCurve(QEasingCurve.OutCubic)
self._show_container_anim.start()
def _delay_hide_scan_progress_bar(self):
"""Start the countdown to hide the scan progress bar."""
if hasattr(self, "_scan_progress_hide_timer"):
self._scan_progress_hide_timer.start()
def _animate_hide_scan_progress_bar(self):
"""Shrink container to the right, then hide."""
self._hide_container_anim = QPropertyAnimation(
self._scan_progress_bar_with_separator, b"maximumWidth", self
)
self._hide_container_anim.setDuration(300)
self._hide_container_anim.setStartValue(self._scan_progress_bar_with_separator.width())
self._hide_container_anim.setEndValue(0)
self._hide_container_anim.setEasingCurve(QEasingCurve.InCubic)
self._hide_container_anim.finished.connect(self._scan_progress_bar_with_separator.hide)
self._hide_container_anim.start()
def _add_separator(self, separate_object: bool = False) -> QWidget | None:
"""
Add a vertically centred separator to the status bar or just return it as a separate object.
"""
status_bar = self.statusBar()
# The actual line
line = QFrame()
line.setFrameShape(QFrame.VLine)
line.setFrameShadow(QFrame.Sunken)
line.setFixedHeight(status_bar.sizeHint().height() - 2)
# Wrapper to center the line vertically -> work around for QFrame not being able to center itself
wrapper = QWidget()
vbox = QVBoxLayout(wrapper)
vbox.setContentsMargins(0, 0, 0, 0)
vbox.addStretch()
vbox.addWidget(line, alignment=Qt.AlignHCenter)
vbox.addStretch()
wrapper.setFixedWidth(line.sizeHint().width())
if separate_object:
return wrapper
status_bar.addWidget(wrapper)
def _init_bec_icon(self):
icon = self.app.windowIcon()
if icon.isNull():
print("No icon is set, setting default icon")
icon = QIcon()
icon.addFile(
os.path.join(MODULE_PATH, "assets", "app_icons", "bec_widgets_icon.png"),
size=QSize(48, 48),
)
self.app.setWindowIcon(icon)
else:
print("An icon is set")
def load_ui(self, ui_file):
loader = UILoader(self)
self.ui = loader.loader(ui_file)
self.setCentralWidget(self.ui)
def display_app_id(self):
"""
Display the app ID in the status bar.
"""
if self.bec_dispatcher.cli_server is None:
status_message = "Not connected"
else:
# Get the server ID from the dispatcher
server_id = self.bec_dispatcher.cli_server.gui_id
status_message = f"App ID: {server_id}"
self.statusBar().showMessage(status_message)
def _fetch_theme(self) -> str:
return self.app.theme.theme
@@ -338,64 +164,14 @@ class BECMainWindow(BECWidget, QMainWindow):
help_menu.addAction(widgets_docs)
help_menu.addAction(bug_report)
################################################################################
# Status Bar Addons
################################################################################
def display_app_id(self):
"""
Display the app ID in the status bar.
"""
if self.bec_dispatcher.cli_server is None:
status_message = "Not connected"
else:
# Get the server ID from the dispatcher
server_id = self.bec_dispatcher.cli_server.gui_id
status_message = f"App ID: {server_id}"
self._app_id_label.setText(status_message)
@SafeSlot(dict, dict)
def display_client_message(self, msg: dict, meta: dict):
"""
Display a client message in the status bar.
Args:
msg(dict): The message to display, should contain:
meta(dict): Metadata about the message, usually empty.
"""
message = msg.get("message", "")
expiration = msg.get("expire", 0) # 0 → never expire
self._client_info_label.setText(message)
self._client_info_label_full.setText(message)
# Restart the expiration timer if necessary
if hasattr(self, "_client_info_expire_timer") and self._client_info_expire_timer.isActive():
self._client_info_expire_timer.stop()
if expiration and expiration > 0:
self._client_info_expire_timer.start(int(expiration * 1000))
################################################################################
# General and Cleanup Methods
################################################################################
@SafeSlot(str)
def change_theme(self, theme: str):
"""
Change the theme of the application.
Args:
theme(str): The theme to apply, either "light" or "dark".
"""
apply_theme(theme)
def event(self, event):
if event.type() == QEvent.Type.StatusTip:
return True
return super().event(event)
def cleanup(self):
central_widget = self.centralWidget()
if central_widget is not None:
central_widget.close()
central_widget.deleteLater()
central_widget.close()
central_widget.deleteLater()
if not isinstance(central_widget, BECWidget):
# if the central widget is not a BECWidget, we need to call the cleanup method
# of all widgets whose parent is the current BECMainWindow
@@ -406,39 +182,8 @@ class BECMainWindow(BECWidget, QMainWindow):
child.cleanup()
child.close()
child.deleteLater()
# Timer cleanup
if hasattr(self, "_client_info_expire_timer") and self._client_info_expire_timer.isActive():
self._client_info_expire_timer.stop()
if hasattr(self, "_scan_progress_hide_timer") and self._scan_progress_hide_timer.isActive():
self._scan_progress_hide_timer.stop()
########################################
# Status bar widgets cleanup
# Client info label cleanup
self._client_info_label.cleanup()
self._client_info_hover.close()
self._client_info_hover.deleteLater()
# Scan progress bar cleanup
self._scan_progress_bar_simple.close()
self._scan_progress_bar_simple.deleteLater()
self._scan_progress_bar_full.close()
self._scan_progress_bar_full.deleteLater()
self._scan_progress_hover.close()
self._scan_progress_hover.deleteLater()
super().cleanup()
class UILaunchWindow(BECMainWindow):
RPC = True
if __name__ == "__main__":
import sys
app = QApplication(sys.argv)
main_window = UILaunchWindow()
main_window.show()
main_window.resize(800, 600)
sys.exit(app.exec())

View File

@@ -11,7 +11,7 @@ class AbortButton(BECWidget, QWidget):
PLUGIN = True
ICON_NAME = "cancel"
RPC = True
RPC = False
def __init__(
self,

View File

@@ -11,7 +11,7 @@ class ResetButton(BECWidget, QWidget):
PLUGIN = True
ICON_NAME = "restart_alt"
RPC = True
RPC = False
def __init__(self, parent=None, client=None, config=None, gui_id=None, toolbar=False, **kwargs):
super().__init__(parent=parent, client=client, gui_id=gui_id, config=config, **kwargs)

View File

@@ -11,7 +11,7 @@ class ResumeButton(BECWidget, QWidget):
PLUGIN = True
ICON_NAME = "resume"
RPC = True
RPC = False
def __init__(self, parent=None, client=None, config=None, gui_id=None, toolbar=False, **kwargs):
super().__init__(parent=parent, client=client, gui_id=gui_id, config=config, **kwargs)

View File

@@ -11,7 +11,7 @@ class StopButton(BECWidget, QWidget):
PLUGIN = True
ICON_NAME = "dangerous"
RPC = True
RPC = False
def __init__(self, parent=None, client=None, config=None, gui_id=None, toolbar=False, **kwargs):
super().__init__(parent=parent, client=client, gui_id=gui_id, config=config, **kwargs)
@@ -54,20 +54,9 @@ class StopButton(BECWidget, QWidget):
if __name__ == "__main__": # pragma: no cover
import sys
from qtpy.QtWidgets import QApplication, QVBoxLayout, QWidget
from qtpy.QtWidgets import QApplication
from bec_widgets.widgets.control.buttons.stop_button.stop_button import StopButton
class MyGui(QWidget):
def __init__(self):
super().__init__()
self.setLayout(QVBoxLayout())
# Create and add the StopButton to the layout
self.stop_button = StopButton()
self.layout().addWidget(self.stop_button)
# Example of how this custom GUI might be used:
app = QApplication([])
my_gui = MyGui()
my_gui.show()
app = QApplication(sys.argv)
w = StopButton()
w.show()
sys.exit(app.exec_())

View File

@@ -12,16 +12,7 @@ class PositionIndicator(BECWidget, QWidget):
Display a position within a defined range, e.g. motor limits.
"""
USER_ACCESS = [
"set_value",
"set_range",
"vertical",
"vertical.setter",
"indicator_width",
"indicator_width.setter",
"rounded_corners",
"rounded_corners.setter",
]
USER_ACCESS = ["set_value", "set_range", "vertical", "indicator_width", "rounded_corners"]
PLUGIN = True
ICON_NAME = "horizontal_distribute"
@@ -218,12 +209,6 @@ class PositionIndicator(BECWidget, QWidget):
@Slot(int)
@Slot(float)
def set_value(self, position: float):
"""
Set the position of the indicator
Args:
position: The new position of the indicator
"""
self.position = position
self.update()

View File

@@ -31,7 +31,6 @@ class PositionerBox(PositionerBoxBase):
dimensions = (234, 224)
PLUGIN = True
RPC = True
USER_ACCESS = ["set_positioner"]
device_changed = Signal(str, str)

View File

@@ -33,7 +33,6 @@ class PositionerBox2D(PositionerBoxBase):
ui_file = "positioner_box_2d.ui"
PLUGIN = True
RPC = True
USER_ACCESS = ["set_positioner_hor", "set_positioner_ver"]
device_changed_hor = Signal(str, str)

View File

@@ -1,4 +1,4 @@
"""Module for a PositionerGroup widget to control a positioner device."""
""" Module for a PositionerGroup widget to control a positioner device."""
from __future__ import annotations

View File

@@ -6,10 +6,10 @@ from bec_lib.device import ComputedSignal, Device, Positioner, ReadoutPriority
from bec_lib.device import Signal as BECSignal
from bec_lib.logger import bec_logger
from pydantic import field_validator
from qtpy.QtCore import Property, Signal, Slot
from bec_widgets.utils import ConnectionConfig
from bec_widgets.utils.bec_widget import BECWidget
from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
from bec_widgets.utils.filter_io import FilterIO
from bec_widgets.utils.widget_io import WidgetIO
@@ -82,7 +82,7 @@ class DeviceInputBase(BECWidget):
ReadoutPriority.ON_REQUEST: "readout_on_request",
}
def __init__(self, parent=None, client=None, config=None, gui_id: str | None = None, **kwargs):
def __init__(self, client=None, config=None, gui_id: str | None = None, **kwargs):
if config is None:
config = DeviceInputConfig(widget_class=self.__class__.__name__)
@@ -90,9 +90,7 @@ class DeviceInputBase(BECWidget):
if isinstance(config, dict):
config = DeviceInputConfig(**config)
self.config = config
super().__init__(
parent=parent, client=client, config=config, gui_id=gui_id, theme_update=True, **kwargs
)
super().__init__(client=client, config=config, gui_id=gui_id, theme_update=True, **kwargs)
self.get_bec_shortcuts()
self._device_filter = []
self._readout_filter = []
@@ -100,7 +98,7 @@ class DeviceInputBase(BECWidget):
### QtSlots ###
@SafeSlot(str)
@Slot(str)
def set_device(self, device: str):
"""
Set the device.
@@ -114,7 +112,7 @@ class DeviceInputBase(BECWidget):
else:
logger.warning(f"Device {device} is not in the filtered selection.")
@SafeSlot()
@Slot()
def update_devices_from_filters(self):
"""Update the devices based on the current filter selection
in self.device_filter and self.readout_filter. If apply_filter is False,
@@ -133,7 +131,7 @@ class DeviceInputBase(BECWidget):
self.devices = [device.name for device in devs]
self.set_device(current_device)
@SafeSlot(list)
@Slot(list)
def set_available_devices(self, devices: list[str]):
"""
Set the devices. If a device in the list is not valid, it will not be considered.
@@ -146,7 +144,7 @@ class DeviceInputBase(BECWidget):
### QtProperties ###
@SafeProperty(
@Property(
"QStringList",
doc="List of devices. If updated, it will disable the apply filters property.",
)
@@ -165,7 +163,7 @@ class DeviceInputBase(BECWidget):
self.config.devices = value
FilterIO.set_selection(widget=self, selection=value)
@SafeProperty(str)
@Property(str)
def default(self):
"""Get the default device name. If set through this property, it will update only if the device is within the filtered selection."""
return self.config.default
@@ -177,7 +175,7 @@ class DeviceInputBase(BECWidget):
self.config.default = value
WidgetIO.set_value(widget=self, value=value)
@SafeProperty(bool)
@Property(bool)
def apply_filter(self):
"""Apply the filters on the devices."""
return self.config.apply_filter
@@ -187,7 +185,7 @@ class DeviceInputBase(BECWidget):
self.config.apply_filter = value
self.update_devices_from_filters()
@SafeProperty(bool)
@Property(bool)
def filter_to_device(self):
"""Include devices in filters."""
return BECDeviceFilter.DEVICE in self.device_filter
@@ -200,7 +198,7 @@ class DeviceInputBase(BECWidget):
self._device_filter.remove(BECDeviceFilter.DEVICE)
self.update_devices_from_filters()
@SafeProperty(bool)
@Property(bool)
def filter_to_positioner(self):
"""Include devices of type Positioner in filters."""
return BECDeviceFilter.POSITIONER in self.device_filter
@@ -213,7 +211,7 @@ class DeviceInputBase(BECWidget):
self._device_filter.remove(BECDeviceFilter.POSITIONER)
self.update_devices_from_filters()
@SafeProperty(bool)
@Property(bool)
def filter_to_signal(self):
"""Include devices of type Signal in filters."""
return BECDeviceFilter.SIGNAL in self.device_filter
@@ -226,7 +224,7 @@ class DeviceInputBase(BECWidget):
self._device_filter.remove(BECDeviceFilter.SIGNAL)
self.update_devices_from_filters()
@SafeProperty(bool)
@Property(bool)
def filter_to_computed_signal(self):
"""Include devices of type ComputedSignal in filters."""
return BECDeviceFilter.COMPUTED_SIGNAL in self.device_filter
@@ -239,7 +237,7 @@ class DeviceInputBase(BECWidget):
self._device_filter.remove(BECDeviceFilter.COMPUTED_SIGNAL)
self.update_devices_from_filters()
@SafeProperty(bool)
@Property(bool)
def readout_monitored(self):
"""Include devices with readout priority Monitored in filters."""
return ReadoutPriority.MONITORED in self.readout_filter
@@ -252,7 +250,7 @@ class DeviceInputBase(BECWidget):
self._readout_filter.remove(ReadoutPriority.MONITORED)
self.update_devices_from_filters()
@SafeProperty(bool)
@Property(bool)
def readout_baseline(self):
"""Include devices with readout priority Baseline in filters."""
return ReadoutPriority.BASELINE in self.readout_filter
@@ -265,7 +263,7 @@ class DeviceInputBase(BECWidget):
self._readout_filter.remove(ReadoutPriority.BASELINE)
self.update_devices_from_filters()
@SafeProperty(bool)
@Property(bool)
def readout_async(self):
"""Include devices with readout priority Async in filters."""
return ReadoutPriority.ASYNC in self.readout_filter
@@ -278,7 +276,7 @@ class DeviceInputBase(BECWidget):
self._readout_filter.remove(ReadoutPriority.ASYNC)
self.update_devices_from_filters()
@SafeProperty(bool)
@Property(bool)
def readout_continuous(self):
"""Include devices with readout priority continuous in filters."""
return ReadoutPriority.CONTINUOUS in self.readout_filter
@@ -291,7 +289,7 @@ class DeviceInputBase(BECWidget):
self._readout_filter.remove(ReadoutPriority.CONTINUOUS)
self.update_devices_from_filters()
@SafeProperty(bool)
@Property(bool)
def readout_on_request(self):
"""Include devices with readout priority OnRequest in filters."""
return ReadoutPriority.ON_REQUEST in self.readout_filter
@@ -397,7 +395,7 @@ class DeviceInputBase(BECWidget):
object: Device object, can be device of type Device, Positioner, Signal or ComputedSignal.
"""
self.validate_device(device)
dev = getattr(self.dev, device, None)
dev = getattr(self.dev, device.lower(), None)
if dev is None:
raise ValueError(
f"Device {device} is not found in the device manager {self.dev} as enabled device."

View File

@@ -1,12 +1,11 @@
from bec_lib.callback_handler import EventType
from bec_lib.device import Signal
from bec_lib.logger import bec_logger
from qtpy.QtCore import Property
from qtpy.QtCore import Property, Slot
from bec_widgets.utils import ConnectionConfig
from bec_widgets.utils.bec_widget import BECWidget
from bec_widgets.utils.error_popups import SafeSlot
from bec_widgets.utils.filter_io import FilterIO, LineEditFilterHandler
from bec_widgets.utils.filter_io import FilterIO
from bec_widgets.utils.ophyd_kind_util import Kind
from bec_widgets.utils.widget_io import WidgetIO
@@ -37,31 +36,29 @@ class DeviceSignalInputBase(BECWidget):
Kind.config: "include_config_signals",
}
def __init__(
self,
client=None,
config: DeviceSignalInputBaseConfig | dict | None = None,
gui_id: str = None,
**kwargs,
):
self.config = self._process_config_input(config)
super().__init__(client=client, config=self.config, gui_id=gui_id, **kwargs)
def __init__(self, client=None, config=None, gui_id: str = None, **kwargs):
if config is None:
config = DeviceSignalInputBaseConfig(widget_class=self.__class__.__name__)
else:
if isinstance(config, dict):
config = DeviceSignalInputBaseConfig(**config)
self.config = config
super().__init__(client=client, config=config, gui_id=gui_id, **kwargs)
self._device = None
self.get_bec_shortcuts()
self._signal_filter = set()
self._signal_filter = []
self._signals = []
self._hinted_signals = []
self._normal_signals = []
self._config_signals = []
self._device_update_register = self.bec_dispatcher.client.callbacks.register(
self.bec_dispatcher.client.callbacks.register(
EventType.DEVICE_UPDATE, self.update_signals_from_filters
)
### Qt Slots ###
@SafeSlot(str)
@Slot(str)
def set_signal(self, signal: str):
"""
Set the signal.
@@ -77,10 +74,10 @@ class DeviceSignalInputBase(BECWidget):
f"Signal {signal} not found for device {self.device} and filtered selection {self.signal_filter}."
)
@SafeSlot(str)
@Slot(str)
def set_device(self, device: str | None):
"""
Set the device. If device is not valid, device will be set to None which happens
Set the device. If device is not valid, device will be set to None which happpens
Args:
device(str): device name.
@@ -91,8 +88,8 @@ class DeviceSignalInputBase(BECWidget):
self._device = device
self.update_signals_from_filters()
@SafeSlot(dict, dict)
@SafeSlot()
@Slot(dict, dict)
@Slot()
def update_signals_from_filters(
self, content: dict | None = None, metadata: dict | None = None
):
@@ -105,40 +102,41 @@ class DeviceSignalInputBase(BECWidget):
"""
self.config.signal_filter = self.signal_filter
# pylint: disable=protected-access
if not self.validate_device(self._device):
self._hinted_signals = []
self._normal_signals = []
self._config_signals = []
if self.validate_device(self._device) is False:
self._device = None
self.config.device = self._device
self._signals = []
self._hinted_signals = []
self._normal_signals = []
self._config_signals = []
FilterIO.set_selection(widget=self, selection=self._signals)
return
device = self.get_device_object(self._device)
device_info = device._info.get("signals", {})
# See above convention for Signals and ComputedSignals
if isinstance(device, Signal):
self._signals = [(self._device, {})]
self._hinted_signals = [(self._device, {})]
self._normal_signals = []
self._config_signals = []
FilterIO.set_selection(widget=self, selection=self._signals)
self._signals = [self._device]
FilterIO.set_selection(widget=self, selection=[self._device])
return
def _update(kind: Kind):
return FilterIO.update_with_kind(
widget=self,
kind=kind,
signal_filter=self.signal_filter,
device_info=device_info,
device_name=self._device,
)
self._hinted_signals = _update(Kind.hinted)
self._normal_signals = _update(Kind.normal)
self._config_signals = _update(Kind.config)
device_info = device._info["signals"]
if Kind.hinted in self.signal_filter:
hinted_signals = [
signal
for signal, signal_info in device_info.items()
if (signal_info.get("kind_str", None) == str(Kind.hinted.value))
]
self._hinted_signals = hinted_signals
if Kind.normal in self.signal_filter:
normal_signals = [
signal
for signal, signal_info in device_info.items()
if (signal_info.get("kind_str", None) == str(Kind.normal.value))
]
self._normal_signals = normal_signals
if Kind.config in self.signal_filter:
config_signals = [
signal
for signal, signal_info in device_info.items()
if (signal_info.get("kind_str", None) == str(Kind.config.value))
]
self._config_signals = config_signals
self._signals = self._hinted_signals + self._normal_signals + self._config_signals
FilterIO.set_selection(widget=self, selection=self.signals)
@@ -166,9 +164,9 @@ class DeviceSignalInputBase(BECWidget):
@include_hinted_signals.setter
def include_hinted_signals(self, value: bool):
if value:
self._signal_filter.add(Kind.hinted)
self._signal_filter.append(Kind.hinted)
else:
self._signal_filter.discard(Kind.hinted)
self._signal_filter.remove(Kind.hinted)
self.update_signals_from_filters()
@Property(bool)
@@ -179,9 +177,9 @@ class DeviceSignalInputBase(BECWidget):
@include_normal_signals.setter
def include_normal_signals(self, value: bool):
if value:
self._signal_filter.add(Kind.normal)
self._signal_filter.append(Kind.normal)
else:
self._signal_filter.discard(Kind.normal)
self._signal_filter.remove(Kind.normal)
self.update_signals_from_filters()
@Property(bool)
@@ -192,9 +190,9 @@ class DeviceSignalInputBase(BECWidget):
@include_config_signals.setter
def include_config_signals(self, value: bool):
if value:
self._signal_filter.add(Kind.config)
self._signal_filter.append(Kind.config)
else:
self._signal_filter.discard(Kind.config)
self._signal_filter.remove(Kind.config)
self.update_signals_from_filters()
### Properties and Methods ###
@@ -252,7 +250,7 @@ class DeviceSignalInputBase(BECWidget):
object: Device object, can be device of type Device, Positioner, Signal or ComputedSignal.
"""
self.validate_device(device)
dev = getattr(self.dev, device, None)
dev = getattr(self.dev, device.lower(), None)
if dev is None:
logger.warning(f"Device {device} not found in devicemanager.")
return None
@@ -278,21 +276,6 @@ class DeviceSignalInputBase(BECWidget):
Args:
signal(str): Signal to validate.
"""
for entry in self.signals:
if isinstance(entry, tuple):
entry = entry[0]
if entry == signal:
return True
if signal in self.signals:
return True
return False
def _process_config_input(self, config: DeviceSignalInputBaseConfig | dict | None):
if config is None:
return DeviceSignalInputBaseConfig(widget_class=self.__class__.__name__)
return DeviceSignalInputBaseConfig.model_validate(config)
def cleanup(self):
"""
Cleanup the widget.
"""
self.bec_dispatcher.client.callbacks.remove(self._device_update_register)
super().cleanup()

View File

@@ -22,19 +22,14 @@ class DeviceComboBox(DeviceInputBase, QComboBox):
config: Device input configuration.
gui_id: GUI ID.
device_filter: Device filter, name of the device class from BECDeviceFilter and BECReadoutPriority. Check DeviceInputBase for more details.
readout_priority_filter: Readout priority filter, name of the readout priority class from BECDeviceFilter and BECReadoutPriority. Check DeviceInputBase for more details.
available_devices: List of available devices, if passed, it sets apply filters to false and device/readout priority filters will not be applied.
default: Default device name.
arg_name: Argument name, can be used for the other widgets which has to call some other function in bec using correct argument names.
"""
USER_ACCESS = ["set_device", "devices"]
ICON_NAME = "list_alt"
PLUGIN = True
device_selected = Signal(str)
device_reset = Signal()
device_config_update = Signal()
def __init__(
@@ -145,31 +140,11 @@ class DeviceComboBox(DeviceInputBase, QComboBox):
"""
if self.validate_device(input_text) is True:
self._is_valid_input = True
self.device_selected.emit(input_text)
self.device_selected.emit(input_text.lower())
else:
self._is_valid_input = False
self.device_reset.emit()
self.update()
def validate_device(self, device: str) -> bool: # type: ignore[override]
"""
Extend validation so that previewsignal pseudodevices (labels like
``"eiger_preview"``) are accepted as valid choices.
The validation run only on device not on the previewsignal.
Args:
device: The text currently entered/selected.
Returns:
True if the device is a genuine BEC device *or* one of the
whitelisted previewsignal entries.
"""
idx = self.findText(device)
if idx >= 0 and isinstance(self.itemData(idx), tuple):
device = self.itemData(idx)[0] # type: ignore[assignment]
return super().validate_device(device)
if __name__ == "__main__": # pragma: no cover
# pylint: disable=import-outside-toplevel

View File

@@ -24,15 +24,11 @@ class DeviceLineEdit(DeviceInputBase, QLineEdit):
client: BEC client object.
config: Device input configuration.
gui_id: GUI ID.
device_filter: Device filter, name of the device class from BECDeviceFilter and BECReadoutPriority. Check DeviceInputBase for more details.
readout_priority_filter: Readout priority filter, name of the readout priority class from BECDeviceFilter and BECReadoutPriority. Check DeviceInputBase for more details.
available_devices: List of available devices, if passed, it sets apply filters to false and device/readout priority filters will not be applied.
device_filter: Device filter, name of the device class from BECDeviceFilter and ReadoutPriority. Check DeviceInputBase for more details.
default: Default device name.
arg_name: Argument name, can be used for the other widgets which has to call some other function in bec using correct argument names.
"""
USER_ACCESS = ["set_device", "devices", "_is_valid_input"]
device_selected = Signal(str)
device_config_update = Signal()
@@ -55,7 +51,7 @@ class DeviceLineEdit(DeviceInputBase, QLineEdit):
**kwargs,
):
self._callback_id = None
self.__is_valid_input = False
self._is_valid_input = False
self._accent_colors = get_accent_colors()
super().__init__(parent=parent, client=client, gui_id=gui_id, config=config, **kwargs)
self.completer = QCompleter(self)
@@ -99,20 +95,6 @@ class DeviceLineEdit(DeviceInputBase, QLineEdit):
self.textChanged.connect(self.check_validity)
self.check_validity(self.text())
@property
def _is_valid_input(self) -> bool:
"""
Check if the current value is a valid device name.
Returns:
bool: True if the current value is a valid device name, False otherwise.
"""
return self.__is_valid_input
@_is_valid_input.setter
def _is_valid_input(self, value: bool) -> None:
self.__is_valid_input = value
def on_device_update(self, action: str, content: dict) -> None:
"""
Callback for device update events. Triggers the device_update signal.
@@ -165,7 +147,7 @@ class DeviceLineEdit(DeviceInputBase, QLineEdit):
"""
if self.validate_device(input_text) is True:
self._is_valid_input = True
self.device_selected.emit(input_text)
self.device_selected.emit(input_text.lower())
else:
self._is_valid_input = False
self.update()

View File

@@ -1,13 +1,11 @@
from bec_lib.device import Positioner
from qtpy.QtCore import QSize, Signal
from qtpy.QtCore import QSize, Signal, Slot
from qtpy.QtWidgets import QComboBox, QSizePolicy
from bec_widgets.utils.error_popups import SafeSlot
from bec_widgets.utils.filter_io import ComboBoxFilterHandler, FilterIO
from bec_widgets.utils.ophyd_kind_util import Kind
from bec_widgets.widgets.control.device_input.base_classes.device_signal_input_base import (
DeviceSignalInputBase,
DeviceSignalInputBaseConfig,
)
@@ -25,11 +23,8 @@ class SignalComboBox(DeviceSignalInputBase, QComboBox):
arg_name: Argument name, can be used for the other widgets which has to call some other function in bec using correct argument names.
"""
USER_ACCESS = ["set_signal", "set_device", "signals"]
ICON_NAME = "list_alt"
PLUGIN = True
RPC = True
device_signal_changed = Signal(str)
@@ -37,7 +32,7 @@ class SignalComboBox(DeviceSignalInputBase, QComboBox):
self,
parent=None,
client=None,
config: DeviceSignalInputBaseConfig | None = None,
config: DeviceSignalInputBase = None,
gui_id: str | None = None,
device: str | None = None,
signal_filter: str | list[str] | None = None,
@@ -67,13 +62,9 @@ class SignalComboBox(DeviceSignalInputBase, QComboBox):
if default is not None:
self.set_signal(default)
@SafeSlot()
@SafeSlot(dict, dict)
def update_signals_from_filters(
self, content: dict | None = None, metadata: dict | None = None
):
def update_signals_from_filters(self):
"""Update the filters for the combobox"""
super().update_signals_from_filters(content, metadata)
super().update_signals_from_filters()
# pylint: disable=protected-access
if FilterIO._find_handler(self) is ComboBoxFilterHandler:
if len(self._config_signals) > 0:
@@ -90,45 +81,7 @@ class SignalComboBox(DeviceSignalInputBase, QComboBox):
self.insertItem(0, "Hinted Signals")
self.model().item(0).setEnabled(False)
def set_to_obj_name(self, obj_name: str) -> bool:
"""
Set the combobox to the object name of the signal.
Args:
obj_name (str): Object name of the signal.
Returns:
bool: True if the object name was found and set, False otherwise.
"""
for i in range(self.count()):
signal_data = self.itemData(i)
if signal_data and signal_data.get("obj_name") == obj_name:
self.setCurrentIndex(i)
return True
return False
def set_to_first_enabled(self) -> bool:
"""
Set the combobox to the first enabled item.
Returns:
bool: True if an enabled item was found and set, False otherwise.
"""
for i in range(self.count()):
if self.model().item(i).isEnabled():
self.setCurrentIndex(i)
return True
return False
@SafeSlot()
def reset_selection(self):
"""Reset the selection of the combobox."""
self.clear()
self.setItemText(0, "Select a device")
self.update_signals_from_filters()
self.device_signal_changed.emit("")
@SafeSlot(str)
@Slot(str)
def on_text_changed(self, text: str):
"""Slot for text changed. If a device is selected and the signal is changed and valid it emits a signal.
For a positioner, the readback value has to be renamed to the device name.
@@ -140,7 +93,11 @@ class SignalComboBox(DeviceSignalInputBase, QComboBox):
return
if self.validate_signal(text) is False:
return
self.device_signal_changed.emit(text)
if text == "readback" and isinstance(self.get_device_object(self.device), Positioner):
device_signal = self.device
else:
device_signal = f"{self.device}_{text}"
self.device_signal_changed.emit(device_signal)
if __name__ == "__main__": # pragma: no cover

View File

@@ -24,12 +24,9 @@ class SignalLineEdit(DeviceSignalInputBase, QLineEdit):
arg_name: Argument name, can be used for the other widgets which has to call some other function in bec using correct argument names.
"""
USER_ACCESS = ["_is_valid_input", "set_signal", "set_device", "signals"]
device_signal_changed = Signal(str)
PLUGIN = True
RPC = True
ICON_NAME = "vital_signs"
def __init__(
@@ -44,7 +41,7 @@ class SignalLineEdit(DeviceSignalInputBase, QLineEdit):
arg_name: str | None = None,
**kwargs,
):
self.__is_valid_input = False
self._is_valid_input = False
super().__init__(parent=parent, client=client, gui_id=gui_id, config=config, **kwargs)
self._accent_colors = get_accent_colors()
self.completer = QCompleter(self)
@@ -68,22 +65,8 @@ class SignalLineEdit(DeviceSignalInputBase, QLineEdit):
self.set_device(device)
if default is not None:
self.set_signal(default)
self.textChanged.connect(self.check_validity)
self.check_validity(self.text())
@property
def _is_valid_input(self) -> bool:
"""
Check if the current value is a valid device name.
Returns:
bool: True if the current value is a valid device name, False otherwise.
"""
return self.__is_valid_input
@_is_valid_input.setter
def _is_valid_input(self, value: bool) -> None:
self.__is_valid_input = value
self.textChanged.connect(self.validate_device)
self.validate_device(self.text())
def get_current_device(self) -> object:
"""
@@ -148,9 +131,6 @@ if __name__ == "__main__": # pragma: no cover
from qtpy.QtWidgets import QApplication, QVBoxLayout, QWidget
from bec_widgets.utils.colors import set_theme
from bec_widgets.widgets.control.device_input.device_combobox.device_combobox import (
DeviceComboBox,
)
app = QApplication([])
set_theme("dark")
@@ -158,12 +138,6 @@ if __name__ == "__main__": # pragma: no cover
widget.setFixedSize(200, 200)
layout = QVBoxLayout()
widget.setLayout(layout)
device_line_edit = DeviceComboBox()
device_line_edit.filter_to_positioner = True
signal_line_edit = SignalLineEdit()
device_line_edit.device_selected.connect(signal_line_edit.set_device)
layout.addWidget(device_line_edit)
layout.addWidget(signal_line_edit)
layout.addWidget(SignalLineEdit(device="samx"))
widget.show()
app.exec_()

View File

@@ -64,6 +64,7 @@ class ScanControl(BECWidget, QWidget):
default_scan: str | None = None,
**kwargs,
):
if config is None:
config = ScanControlConfig(
widget_class=self.__class__.__name__, allowed_scans=allowed_scans
@@ -89,7 +90,6 @@ class ScanControl(BECWidget, QWidget):
self.config.allowed_scans = allowed_scans
self._scan_metadata: dict | None = None
self._metadata_form = ScanMetadata(parent=self)
# Create and set main layout
self._init_UI()
@@ -166,11 +166,12 @@ class ScanControl(BECWidget, QWidget):
self.layout.addStretch()
def _add_metadata_form(self):
self._metadata_form = ScanMetadata()
self.layout.addWidget(self._metadata_form)
self._metadata_form.update_with_new_scan(self.comboBox_scan_selection.currentText())
self.scan_selected.connect(self._metadata_form.update_with_new_scan)
self._metadata_form.form_data_updated.connect(self.update_scan_metadata)
self._metadata_form.form_data_cleared.connect(self.update_scan_metadata)
self._metadata_form.metadata_updated.connect(self.update_scan_metadata)
self._metadata_form.metadata_cleared.connect(self.update_scan_metadata)
self._metadata_form.validate_form()
def populate_scans(self):
@@ -203,40 +204,35 @@ class ScanControl(BECWidget, QWidget):
"""
Requests the last executed scan parameters from BEC and restores them to the scan control widget.
"""
self.last_scan_found = False
if not self.toggle.checked:
return
enabled = self.toggle.checked
current_scan = self.comboBox_scan_selection.currentText()
history = (
self.client.connector.xread(
MessageEndpoints.scan_history(), from_start=True, user_id=self.object_name
)
or []
)
if enabled:
history = self.client.connector.lrange(MessageEndpoints.scan_queue_history(), 0, -1)
for scan in reversed(history):
scan_data = scan.get("data")
if not scan_data:
continue
if scan_data.scan_name != current_scan:
continue
ri = getattr(scan_data, "request_inputs", {}) or {}
args_list = ri.get("arg_bundle", [])
if args_list and self.arg_box:
self.arg_box.set_parameters(args_list)
inputs = ri.get("inputs", {})
kwargs = ri.get("kwargs", {})
merged = {**inputs, **kwargs}
if merged and self.kwarg_boxes:
for box in self.kwarg_boxes:
box.set_parameters(merged)
self.last_scan_found = True
break
for scan in history:
scan_name = scan.content["info"]["request_blocks"][-1]["msg"].content["scan_type"]
if scan_name == current_scan:
args_dict = scan.content["info"]["request_blocks"][-1]["msg"].content[
"parameter"
]["args"]
args_list = []
for key, value in args_dict.items():
args_list.append(key)
args_list.extend(value)
if len(args_list) > 1 and self.arg_box is not None:
self.arg_box.set_parameters(args_list)
kwargs = scan.content["info"]["request_blocks"][-1]["msg"].content["parameter"][
"kwargs"
]
if kwargs and self.kwarg_boxes:
for box in self.kwarg_boxes:
box.set_parameters(kwargs)
self.last_scan_found = True
break
else:
self.last_scan_found = False
else:
self.last_scan_found = False
@SafeProperty(str)
def current_scan(self):

View File

@@ -234,7 +234,7 @@ class ScanGroupBox(QGroupBox):
continue
if default == "_empty":
default = None
widget = widget_class(parent=self.parent(), arg_name=arg_name, default=default)
widget = widget_class(arg_name=arg_name, default=default)
if isinstance(widget, DeviceLineEdit):
widget.set_device_filter(BECDeviceFilter.DEVICE)
self.selected_devices[widget] = ""
@@ -274,24 +274,12 @@ class ScanGroupBox(QGroupBox):
for widget in self.widgets[-len(self.inputs) :]:
if isinstance(widget, DeviceLineEdit):
self.selected_devices[widget] = ""
widget.close()
widget.deleteLater()
self.widgets = self.widgets[: -len(self.inputs)]
selected_devices_str = " ".join(self.selected_devices.values())
self.device_selected.emit(selected_devices_str.strip())
def remove_all_widget_bundles(self):
"""Remove every widget bundle from the scan control layout."""
for widget in list(self.widgets):
if isinstance(widget, DeviceLineEdit):
self.selected_devices.pop(widget, None)
widget.close()
widget.deleteLater()
self.layout.removeWidget(widget)
self.widgets.clear()
self.device_selected.emit("")
@Property(bool)
def hide_add_remove_buttons(self):
return self._hide_add_remove_buttons
@@ -360,21 +348,10 @@ class ScanGroupBox(QGroupBox):
self._set_kwarg_parameters(parameters)
def _set_arg_parameters(self, parameters: list):
self.remove_all_widget_bundles()
if not parameters:
return
inputs_per_bundle = len(self.inputs)
if inputs_per_bundle == 0:
return
bundles_needed = -(-len(parameters) // inputs_per_bundle)
for row in range(1, bundles_needed + 1):
self.add_input_widgets(self.inputs, row)
for i, value in enumerate(parameters):
WidgetIO.set_value(self.widgets[i], value)
while len(parameters) != len(self.widgets):
self.add_widget_bundle()
for i, parameter in enumerate(parameters):
WidgetIO.set_value(self.widgets[i], parameter)
def _set_kwarg_parameters(self, parameters: dict):
for widget in self.widgets:

View File

@@ -16,7 +16,7 @@ class DapComboBox(BECWidget, QWidget):
Args:
parent: Parent widget.
client: BEC client object.
gui_id: GUI ID.
gui_id: GUI ID.--
default: Default device name.
"""
@@ -154,7 +154,9 @@ class DapComboBox(BECWidget, QWidget):
def populate_fit_model_combobox(self):
"""Populate the fit_model_combobox with the devices."""
# pylint: disable=protected-access
self.available_models = [model for model in self.client.dap._available_dap_plugins.keys()]
self.available_models = [
model for model in self.client.dap._available_dap_plugins.keys()
]
self.fit_model_combobox.clear()
self.fit_model_combobox.addItems(self.available_models)

View File

@@ -0,0 +1,193 @@
import inspect
from bec_lib.signature_serializer import deserialize_dtype
from bec_server.data_processing.dap_framework_refactoring.dap_blocks import (
BlockWithLotsOfArgs,
DAPBlock,
GradientBlock,
SmoothBlock,
)
from pydantic.fields import FieldInfo
from PySide6.QtWidgets import (
QCheckBox,
QDoubleSpinBox,
QLabel,
QLayout,
QRadioButton,
QScrollArea,
)
from qtpy.QtCore import QMimeData, Qt, Signal
from qtpy.QtGui import QDrag, QPixmap
from qtpy.QtWidgets import (
QApplication,
QHBoxLayout,
QMainWindow,
QVBoxLayout,
QWidget,
)
from bec_widgets.utils.bec_widget import BECWidget
from bec_widgets.utils.expandable_frame import ExpandableGroupFrame
from bec_widgets.widgets.editors.scan_metadata._metadata_widgets import widget_from_type
from bec_widgets.widgets.editors.scan_metadata.scan_metadata import ScanMetadata
from tests.unit_tests.test_scan_metadata import metadata_widget
class DragItem(ExpandableGroupFrame):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.setContentsMargins(25, 5, 25, 5)
self._layout = QVBoxLayout()
self.set_layout(self._layout)
def mouseMoveEvent(self, e):
if e.buttons() == Qt.MouseButton.LeftButton:
drag = QDrag(self)
mime = QMimeData()
drag.setMimeData(mime)
pixmap = QPixmap(self.size())
self.render(pixmap)
drag.setPixmap(pixmap)
drag.exec(Qt.DropAction.MoveAction)
class DragWidget(QWidget):
"""
Generic list sorting handler.
"""
orderChanged = Signal(list)
def __init__(self, *args, orientation=Qt.Orientation.Vertical, **kwargs):
super().__init__(*args, **kwargs)
self.setAcceptDrops(True)
# Store the orientation for drag checks later.
self.orientation = orientation
if self.orientation == Qt.Orientation.Vertical:
self.blayout = QVBoxLayout()
else:
self.blayout = QHBoxLayout()
self.setLayout(self.blayout)
def dragEnterEvent(self, e):
e.accept()
def dropEvent(self, e):
pos = e.position()
widget = e.source()
self.blayout.removeWidget(widget)
for n in range(self.blayout.count()):
# Get the widget at each index in turn.
w = self.blayout.itemAt(n).widget()
if self.orientation == Qt.Orientation.Vertical:
# Drag drop vertically.
drop_here = pos.y() < w.y() + w.size().height() // 2
else:
# Drag drop horizontally.
drop_here = pos.x() < w.x() + w.size().width() // 2
if drop_here:
break
else:
# We aren't on the left hand/upper side of any widget,
# so we're at the end. Increment 1 to insert after.
n += 1
self.blayout.insertWidget(n, widget)
self.orderChanged.emit(self.get_item_data())
e.accept()
def add_item(self, item):
self.blayout.addWidget(item)
def get_item_data(self):
data = []
for n in range(self.blayout.count()):
# Get the widget at each index in turn.
w: "DAPBlockWidget" = self.blayout.itemAt(n).widget()
data.append(w._title.text())
return data
class DAPBlockWidget(BECWidget, DragItem):
def __init__(
self,
parent=None,
content: type[DAPBlock] = None,
client=None,
gui_id: str | None = None,
**kwargs,
):
super().__init__(
parent=parent,
client=client,
gui_id=gui_id,
title=content.__name__,
**kwargs,
)
self._content = content
self.add_form(self._content)
def add_form(self, block_type: type[DAPBlock]):
run_signature = inspect.signature(block_type.run)
self._title.setText(block_type.__name__)
layout = self._contents.layout()
if layout is None:
return
self._add_widgets_for_signature(layout, run_signature)
def _add_widgets_for_signature(self, layout: QLayout, signature: inspect.Signature):
for arg_name, arg_spec in signature.parameters.items():
annotation: str | type = arg_spec.annotation
if isinstance(annotation, str):
annotation = deserialize_dtype(annotation) or annotation
w = QWidget()
w.setLayout(QHBoxLayout())
w.layout().addWidget(QLabel(arg_name))
w.layout().addWidget(
widget_from_type(annotation)(
FieldInfo(
annotation=annotation
) # FIXME this class should not be initialised directly...
)
)
w.layout().addWidget(QLabel(str(annotation)))
layout.addWidget(w)
class MainWindow(QMainWindow):
def __init__(self):
super().__init__()
self.drag = DragWidget(orientation=Qt.Orientation.Vertical)
for block_type in [SmoothBlock, GradientBlock, BlockWithLotsOfArgs] * 2:
item = DAPBlockWidget(content=block_type)
self.drag.add_item(item)
# Print out the changed order.
self.drag.orderChanged.connect(print)
container = QWidget()
layout = QVBoxLayout()
layout.addStretch(1)
layout.addWidget(self.drag)
layout.addStretch(1)
container.setLayout(layout)
self.setCentralWidget(container)
if __name__ == "__main__":
app = QApplication([])
w = MainWindow()
w.show()
app.exec()

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