2.45.6

Automatically generated by python-semantic-release

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/pytest-matrix.yml

@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.11", "3.12", "3.13"]
 
     env:
       BEC_WIDGETS_BRANCH: main  # Set the branch you want for bec_widgets

.github/workflows/stale-issues.yml

@@ -13,7 +13,7 @@ jobs:
     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
+          stale-issue-message: 'This issue is stale because it has been open 120 days with no activity. Remove stale label or comment or this will be closed in 14 days.'
+          stale-pr-message: 'This PR is stale because it has been open 120 days with no activity. Remove stale label or comment or this will be closed in 14 days.'
+          days-before-stale: 120
+          days-before-close: 14

.gitlab-ci.yml

@@ -1,289 +0,0 @@
-# This file is a template, and might need editing before it works on your project.
-# Official language image. Look for the different tagged releases at:
-# https://hub.docker.com/r/library/python/tags/
-image: $CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX/python:3.11
-#commands to run in the Docker container before starting each job.
-variables:
-  DOCKER_TLS_CERTDIR: ""
-  BEC_CORE_BRANCH:
-    description: bec branch
-    value: main
-  OPHYD_DEVICES_BRANCH:
-    description: ophyd_devices branch
-    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.
-    value: 0
-
-workflow:
-  rules:
-    - if: $CI_PIPELINE_SOURCE == "schedule"
-    - if: $CI_PIPELINE_SOURCE == "web"
-    - if: $CI_PIPELINE_SOURCE == "pipeline"
-    - if: $CI_PIPELINE_SOURCE == "parent_pipeline"
-    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
-    - if: $CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS
-      when: never
-    - if: $CI_COMMIT_BRANCH
-
-include:
-  - template: Security/Secret-Detection.gitlab-ci.yml
-  - project: "bec/awi_utils"
-    file: "/templates/check-packages-job.yml"
-    inputs:
-      stage: test
-      path: "."
-      pytest_args: "-v,--random-order,tests/unit_tests"
-      pip_args: ".[dev]"
-
-# different stages in the pipeline
-stages:
-  - Formatter
-  - test
-  - AdditionalTests
-  - End2End
-  - Deploy
-
-.install-qt-webengine-deps: &install-qt-webengine-deps
-  - apt-get -y install libnss3 libxdamage1 libasound2 libatomic1 libxcursor1
-  - export QTWEBENGINE_DISABLE_SANDBOX=1
-
-.clone-repos: &clone-repos
-  - echo -e "\033[35;1m Using branch $BEC_CORE_BRANCH of BEC CORE \033[0;m";
-  - git clone --branch $BEC_CORE_BRANCH https://gitlab.psi.ch/bec/bec.git
-  - echo -e "\033[35;1m Using branch $OPHYD_DEVICES_BRANCH of OPHYD_DEVICES \033[0;m";
-  - git clone --branch $OPHYD_DEVICES_BRANCH https://gitlab.psi.ch/bec/ophyd_devices.git
-  - export OHPYD_DEVICES_PATH=$PWD/ophyd_devices
-
-.install-repos: &install-repos
-  - pip install -e ./ophyd_devices
-  - pip install -e ./bec/bec_lib[dev]
-  - pip install -e ./bec/bec_ipython_client
-  - pip install -e ./bec/pytest_bec_e2e
-
-.install-os-packages: &install-os-packages
-  - apt-get update
-  - apt-get install -y libgl1-mesa-glx libegl1-mesa x11-utils libxkbcommon-x11-0 libdbus-1-3 xvfb
-  - *install-qt-webengine-deps
-
-before_script:
-  - if [[ "$CI_PROJECT_PATH" != "bec/bec_widgets" ]]; then
-    echo -e "\033[35;1m Using branch $CHILD_PIPELINE_BRANCH of BEC Widgets \033[0;m";
-    test -d bec_widgets || git clone --branch $CHILD_PIPELINE_BRANCH https://gitlab.psi.ch/bec/bec_widgets.git; cd bec_widgets;
-    fi
-
-formatter:
-  stage: Formatter
-  needs: []
-  script:
-    - pip install -e ./[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:
-    - if: $CI_PROJECT_PATH == "bec/bec_widgets"
-
-pylint:
-  stage: Formatter
-  needs: []
-  before_script:
-    - pip install pylint pylint-exit anybadge
-    - pip install -e .[dev]
-  script:
-    - mkdir ./pylint
-    - pylint ./bec_widgets --output-format=text --output=./pylint/pylint.log | tee ./pylint/pylint.log || pylint-exit $?
-    - PYLINT_SCORE=$(sed -n 's/^Your code has been rated at \([-0-9.]*\)\/.*/\1/p' ./pylint/pylint.log)
-    - anybadge --label=Pylint --file=pylint/pylint.svg --value=$PYLINT_SCORE 2=red 4=orange 8=yellow 10=green
-    - echo "Pylint score is $PYLINT_SCORE"
-  artifacts:
-    paths:
-      - ./pylint/
-    expire_in: 1 week
-  rules:
-    - if: $CI_PROJECT_PATH == "bec/bec_widgets"
-
-pylint-check:
-  stage: Formatter
-  needs: []
-  allow_failure: true
-  before_script:
-    - pip install pylint pylint-exit anybadge
-    - apt-get update
-    - apt-get install -y bc
-  script:
-    - git fetch origin $CI_MERGE_REQUEST_TARGET_BRANCH_NAME
-    # Identify changed Python files
-    - if [ "$CI_PIPELINE_SOURCE" == "merge_request_event" ]; then
-      TARGET_BRANCH_COMMIT_SHA=$(git rev-parse origin/$CI_MERGE_REQUEST_TARGET_BRANCH_NAME);
-      CHANGED_FILES=$(git diff --name-only $TARGET_BRANCH_COMMIT_SHA HEAD | grep '\.py$' || true);
-      else
-      CHANGED_FILES=$(git diff --name-only $CI_COMMIT_BEFORE_SHA $CI_COMMIT_SHA | grep '\.py$' || true);
-      fi
-    - if [ -z "$CHANGED_FILES" ]; then echo "No Python files changed."; exit 0; fi
-
-    - echo "Changed Python files:"
-      - $CHANGED_FILES
-    # Run pylint only on changed files
-    - mkdir ./pylint
-    - pylint $CHANGED_FILES --output-format=text | tee ./pylint/pylint_changed_files.log || pylint-exit $?
-    - PYLINT_SCORE=$(sed -n 's/^Your code has been rated at \([-0-9.]*\)\/.*/\1/p' ./pylint/pylint_changed_files.log)
-    - echo "Pylint score is $PYLINT_SCORE"
-
-    # Fail the job if the pylint score is below 9
-    - if [ "$(echo "$PYLINT_SCORE < 9" | bc)" -eq 1 ]; then echo "Your pylint score is below the acceptable threshold (9)."; exit 1; fi
-  artifacts:
-    paths:
-      - ./pylint/
-    expire_in: 1 week
-  rules:
-    - if: $CI_PROJECT_PATH == "bec/bec_widgets"
-
-tests:
-  stage: test
-  needs: []
-  variables:
-    QT_QPA_PLATFORM: "offscreen"
-  script:
-    - *clone-repos
-    - *install-os-packages
-    - *install-repos
-    - pip install -e .[dev,pyside6]
-    - coverage run --source=./bec_widgets -m pytest -v --junitxml=report.xml --maxfail=2 --random-order --full-trace ./tests/unit_tests
-    - coverage report
-    - coverage xml
-  coverage: '/(?i)total.*? (100(?:\.0+)?\%|[1-9]?\d(?:\.\d+)?\%)$/'
-  artifacts:
-    reports:
-      junit: report.xml
-      coverage_report:
-        coverage_format: cobertura
-        path: coverage.xml
-    paths:
-      - 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:
-      - PYTHON_VERSION:
-          - "3.10"
-          - "3.11"
-          - "3.12"
-        QT_PCKG:
-          - "pyside6"
-
-  stage: AdditionalTests
-  needs: []
-  variables:
-    QT_QPA_PLATFORM: "offscreen"
-    PYTHON_VERSION: ""
-    QT_PCKG: ""
-  image: $CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX/python:$PYTHON_VERSION
-  script:
-    - *clone-repos
-    - *install-os-packages
-    - *install-repos
-    - pip install -e .[dev,$QT_PCKG]
-    - pytest -v --maxfail=2 --junitxml=report.xml --random-order ./tests/unit_tests
-
-end-2-end-conda:
-  stage: End2End
-  needs: []
-  image: continuumio/miniconda3:25.1.1-2
-  allow_failure: false
-  variables:
-    QT_QPA_PLATFORM: "offscreen"
-  script:
-    - *clone-repos
-    - *install-os-packages
-    - conda config --show-sources
-    - conda config --add channels conda-forge
-    - conda config --system --remove channels https://repo.anaconda.com/pkgs/main
-    - conda config --system --remove channels https://repo.anaconda.com/pkgs/r
-    - conda config --remove channels https://repo.anaconda.com/pkgs/main
-    - conda config --remove channels https://repo.anaconda.com/pkgs/r
-    - conda config --show-sources
-    - conda config --set channel_priority strict
-    - conda config --set always_yes yes --set changeps1 no
-    - conda create -q -n test-environment python=3.11
-    - conda init bash
-    - source ~/.bashrc
-    - conda activate test-environment
-
-    - cd ./bec
-    - source ./bin/install_bec_dev.sh -t
-    - cd ../
-    - pip install -e ./ophyd_devices
-
-    - pip install -e .[dev,pyside6]
-    - pytest -v --files-path ./ --start-servers --random-order  ./tests/end-2-end
-
-  artifacts:
-    when: on_failure
-    paths:
-      - ./logs/*.log
-    expire_in: 1 week
-
-  rules:
-    - if: '$CI_PIPELINE_SOURCE == "schedule"'
-    - if: '$CI_PIPELINE_SOURCE == "web"'
-    - if: '$CI_PIPELINE_SOURCE == "pipeline"'
-    - 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.*$/"
-
-semver:
-  stage: Deploy
-  needs: ["tests"]
-  script:
-    - git config --global user.name "ci_update_bot"
-    - git config --global user.email "ci_update_bot@bec.ch"
-    - git checkout "$CI_COMMIT_REF_NAME"
-    - git reset --hard origin/"$CI_COMMIT_REF_NAME"
-
-    # delete all local tags
-    - git tag -l | xargs git tag -d
-    - git fetch --tags
-    - git tag
-
-    # build and publish package
-    - pip install python-semantic-release==9.* wheel build twine
-    - export GL_TOKEN=$CI_UPDATES
-    - semantic-release -vv version
-
-    # check if any artifacts were created
-    - if [ ! -d dist ]; then echo No release will be made; exit 0; fi
-    - twine upload dist/* -u __token__ -p $CI_PYPI_TOKEN --skip-existing
-    - semantic-release publish
-
-  allow_failure: false
-  rules:
-    - if: '$CI_COMMIT_REF_NAME == "main" && $CI_PROJECT_PATH == "bec/bec_widgets"'
-
-pages:
-  stage: Deploy
-  needs: ["semver"]
-  variables:
-    TARGET_BRANCH: $CI_COMMIT_REF_NAME
-  rules:
-    - if: "$CI_COMMIT_TAG != null"
-      variables:
-        TARGET_BRANCH: $CI_COMMIT_TAG
-    - if: '$CI_COMMIT_REF_NAME == "main" && $CI_PROJECT_PATH == "bec/bec_widgets"'
-  script:
-    - curl -X POST -d "branches=$CI_COMMIT_REF_NAME" -d "token=$RTD_TOKEN" https://readthedocs.org/api/v2/webhook/bec-widgets/253243/

.pylintrc

@@ -52,7 +52,7 @@ persistent=yes
 
 # Minimum Python version to use for version dependent checks. Will default to
 # the version used to run pylint.
-py-version=3.10
+py-version=3.11
 
 # When enabled, pylint would attempt to guess common misconfiguration and emit
 # user-friendly hints instead of false-positive error messages.

CHANGELOG.md

@@ -1,6 +1,289 @@
 # CHANGELOG
 
 
+## v2.45.6 (2025-11-27)
+
+### Bug Fixes
+
+- **curve**: Update dap curves if data are set manually
+  ([`b72f0dc`](https://github.com/bec-project/bec_widgets/commit/b72f0dc6e8474a65c83f7e2c938fc6356b7b5f3a))
+
+
+## v2.45.5 (2025-11-26)
+
+### Bug Fixes
+
+- Remove ghost widgets in scan metadata
+  ([`0a80bd0`](https://github.com/bec-project/bec_widgets/commit/0a80bd0a9279cef1136a04c252c97e624ef2e779))
+
+
+## v2.45.4 (2025-11-24)
+
+### Bug Fixes
+
+- **main_window**: Removed hiding scan progressbar animation
+  ([`40cbf7f`](https://github.com/bec-project/bec_widgets/commit/40cbf7fe4f834a1a65306e54b3882d2c0495f90a))
+
+- **web_links**: Fixed link to bec widget issues from gitlab to github
+  ([`7d5e702`](https://github.com/bec-project/bec_widgets/commit/7d5e702a11043ed96a8cb97fce6b2162681e8fab))
+
+
+## v2.45.3 (2025-11-17)
+
+### Bug Fixes
+
+- **fakeredis**: Add support for additional args
+  ([`c945567`](https://github.com/bec-project/bec_widgets/commit/c9455672b58b9df101ccd0d80a169bdf6c707f34))
+
+
+## v2.45.2 (2025-11-17)
+
+### Bug Fixes
+
+- **test**: Removed duplicate test in crosshair
+  ([`d00d786`](https://github.com/bec-project/bec_widgets/commit/d00d786399bca516b8030b9de881b674140bf439))
+
+### Build System
+
+- Pyqtgraph pin to 0.13.7
+  ([`a4c465d`](https://github.com/bec-project/bec_widgets/commit/a4c465dcaf8cb03962dec1e360b7b832a9a5c780))
+
+
+## v2.45.1 (2025-11-14)
+
+### Bug Fixes
+
+- **waveform**: Async_readback can accept 0D data
+  ([`bb3cea7`](https://github.com/bec-project/bec_widgets/commit/bb3cea7fe800cd5375de5351a72e0944dc86861f))
+
+
+## v2.45.0 (2025-11-10)
+
+### Chores
+
+- Add third-party license notice
+  ([`617f2df`](https://github.com/bec-project/bec_widgets/commit/617f2df2af41db7692c42d0e10bce4968f36fb94))
+
+### Features
+
+- **waveform**: Dap curve can be attached to custom and history curves
+  ([`198684c`](https://github.com/bec-project/bec_widgets/commit/198684c65d9565e8985156b426b8ef98dcc687cc))
+
+
+## v2.44.0 (2025-11-05)
+
+### Chores
+
+- Update stale issue and PR settings to 120 days
+  ([`e9d381a`](https://github.com/bec-project/bec_widgets/commit/e9d381a18a425727216f035ecccdad25f3189608))
+
+### Documentation
+
+- Readme rewritten
+  ([`44b1dbf`](https://github.com/bec-project/bec_widgets/commit/44b1dbf911f43dbde4286e2ea541c480f7b834be))
+
+### Features
+
+- **plot_base**: Invert x/y axis
+  ([`b10efc0`](https://github.com/bec-project/bec_widgets/commit/b10efc0f400fe36f7cb0d5998214d50943934d7b))
+
+### Refactoring
+
+- **plot_base**: Consolidated user access for the PlotBase
+  ([`d5e6f09`](https://github.com/bec-project/bec_widgets/commit/d5e6f095fe60223972235acd3ea68389aa7a1a14))
+
+
+## v2.43.0 (2025-10-30)
+
+### Features
+
+- Add pdf viewer widget
+  ([`13a9175`](https://github.com/bec-project/bec_widgets/commit/13a9175ba5f5e1e2404d7302404d9511872aafc7))
+
+
+## v2.42.1 (2025-10-28)
+
+### Bug Fixes
+
+- **rpc_server**: Raise window, even if minimized
+  ([`6bc1c3c`](https://github.com/bec-project/bec_widgets/commit/6bc1c3c5f1b3e57ab8e8aeabcc1c0a52a56bbf0a))
+
+
+## v2.42.0 (2025-10-21)
+
+### Features
+
+- **image_roi**: Enhance get_coordinates to include rectangle center and dimensions
+  ([`96664c3`](https://github.com/bec-project/bec_widgets/commit/96664c3923737df0b09aa8f35df388f9fd630b55))
+
+- **positioner_box_2d**: Added properties to enable/disable vertical and horizontal controls
+  ([`1e19092`](https://github.com/bec-project/bec_widgets/commit/1e190923196f8b28c92dfdd83b9ce90873dd792d))
+
+
+## v2.41.1 (2025-10-15)
+
+### Bug Fixes
+
+- **dependencies**: Bec lib versions fixed
+  ([`3941050`](https://github.com/bec-project/bec_widgets/commit/3941050883a791f800ab7178af2435ac14f837b6))
+
+
+## v2.41.0 (2025-10-15)
+
+### Bug Fixes
+
+- **image_roi**: Delete button added to compact version
+  ([`ef27de4`](https://github.com/bec-project/bec_widgets/commit/ef27de40ceee8375d95a0f3a8e451b7d05d0ae2c))
+
+- **image_roi**: Rois can be removed with right click context menu
+  ([`37df95e`](https://github.com/bec-project/bec_widgets/commit/37df95ead8d6a07a6c5794a97a486d9f380004cc))
+
+### Build System
+
+- **bec_lib**: Version bump to 3.69.3
+  ([`28ac9c5`](https://github.com/bec-project/bec_widgets/commit/28ac9c5cc369bdfa712c70c45591243631c65066))
+
+### Features
+
+- **image_roi_tree**: Compact mode added
+  ([`c87a6cf`](https://github.com/bec-project/bec_widgets/commit/c87a6cfce9c36588b32f5279e63072bc2646c36f))
+
+### Refactoring
+
+- **serializer**: Upgrade to new serializer interface
+  ([`3d807ea`](https://github.com/bec-project/bec_widgets/commit/3d807eaa63980fd2bb11661696c4d8548fffde8c))
+
+### Testing
+
+- **deviceconfig-form-update**: Add onFailure default to test
+  ([`1dd20d5`](https://github.com/bec-project/bec_widgets/commit/1dd20d5986485f3bfe7ee02596ca23027ec4b756))
+
+
+## v2.40.0 (2025-10-08)
+
+### Bug Fixes
+
+- **curve_tree**: Fetching scan numbers directly from the bec client
+  ([`8111a4a`](https://github.com/bec-project/bec_widgets/commit/8111a4a21b7c1bd75316e9a1f1166b88ea52326d))
+
+- **curve_tree**: Safeguard fetching scan numbers from BEC client
+  ([`df8065e`](https://github.com/bec-project/bec_widgets/commit/df8065ea4000b24235520756515aa18f812bb390))
+
+- **curve_tree**: Scans are always fetched by scan ids
+  ([`20a59af`](https://github.com/bec-project/bec_widgets/commit/20a59af648a9808057df2226a3a3c12893cc5059))
+
+- **waveform**: Cleanup of scan_history dialog if not closed manually before widget
+  ([`d681ba5`](https://github.com/bec-project/bec_widgets/commit/d681ba538be9ccec45a1ebd412cbc33c8c7c0ae2))
+
+- **waveform**: Fetching scan number is not done from list but from .get_by_scan_number
+  ([`962ab77`](https://github.com/bec-project/bec_widgets/commit/962ab774e6afc73a321a5680e2862d9e41812888))
+
+- **waveform**: If scan id and scan number is provided, the scan is fetched from the scan id
+  ([`e59f27a`](https://github.com/bec-project/bec_widgets/commit/e59f27a22de490768c814c80642a7a91bebfef5b))
+
+- **waveform**: Safeguard added to the fetching history data
+  ([`540cfc3`](https://github.com/bec-project/bec_widgets/commit/540cfc37be65afcf721773564adc85de681a9d07))
+
+- **waveform**: Safeguard for _scan_history_closed
+  ([`2bf4896`](https://github.com/bec-project/bec_widgets/commit/2bf489600e96bb5b47d89bed261614f62c970ca9))
+
+- **waveform**: Safeguard for if scan_item is a list
+  ([`7e88a00`](https://github.com/bec-project/bec_widgets/commit/7e88a002b6ca40fc85fde993282b8706f140d9aa))
+
+- **waveform**: Update x suffix label with x property change, do not wait for next update cycle
+  ([`d19001c`](https://github.com/bec-project/bec_widgets/commit/d19001c94e652c0c3e18f8d7903fd1ccff1111cd))
+
+- **waveform**: X_data checked with is scalar instead of len()
+  ([`db7dd4f`](https://github.com/bec-project/bec_widgets/commit/db7dd4f8d4b1210e65c852f6193fc8cf0f4809a5))
+
+### Build System
+
+- **bec_lib**: Bec_lib dependency raised to 3.68
+  ([`2f3dc2c`](https://github.com/bec-project/bec_widgets/commit/2f3dc2ce6b7133fc5582bd6996a674590cf1002d))
+
+### Chores
+
+- Add dependabot config
+  ([`f25f865`](https://github.com/bec-project/bec_widgets/commit/f25f86522f0a2e9dd24ca862ea8de89873951f83))
+
+### Features
+
+- **waveform**: New type of curve - history curve
+  ([`f083dff`](https://github.com/bec-project/bec_widgets/commit/f083dff6128c6256443b49f54ab12b54f1b90d66))
+
+### Refactoring
+
+- **test_waveform**: Test waveform renamed
+  ([`2f798be`](https://github.com/bec-project/bec_widgets/commit/2f798be7b0d43d304ccbd0e992a9d62f1aa1dd5f))
+
+- **waveform**: Separate method to fetch scan item from history
+  ([`4be7058`](https://github.com/bec-project/bec_widgets/commit/4be70580a60293204b135c6ea77978f1dcf8aa5f))
+
+### Testing
+
+- **conftest**: Suppress_message_box for error popups fixture autouse True
+  ([`0844a9e`](https://github.com/bec-project/bec_widgets/commit/0844a9e11975a34780b1dc413f5145517d1a1a22))
+
+- **plotting_framework_e2e**: Fetching history curve
+  ([`a006f95`](https://github.com/bec-project/bec_widgets/commit/a006f95f211ad115019967e365a6627d9678a1e3))
+
+- **waveform,curve_tree**: Test extended to cover history curve behaviour
+  ([`5a5d323`](https://github.com/bec-project/bec_widgets/commit/5a5d32312b08e1edeb69243daddfaaa9bac22273))
+
+
+## v2.39.1 (2025-10-07)
+
+### Bug Fixes
+
+- Explicitly pass the cached readout flag
+  ([`50696bc`](https://github.com/bec-project/bec_widgets/commit/50696bce4ce14c61b4bdda8c6fb40967972e6b23))
+
+
+## v2.39.0 (2025-09-24)
+
+### Bug Fixes
+
+- **rpc**: Fix hide/show
+  ([`975404f`](https://github.com/bec-project/bec_widgets/commit/975404f483ddae041d9f4d819f39c53cec191439))
+
+### Features
+
+- **rpc_base**: Windows can be raised to front from CLI
+  ([`565c0bd`](https://github.com/bec-project/bec_widgets/commit/565c0bd1e7f4684d8401b6a2827c35422b1125c4))
+
+
+## v2.38.4 (2025-09-23)
+
+### Bug Fixes
+
+- **image**: Add support for specifying preview signals through cli
+  ([`108ddae`](https://github.com/bec-project/bec_widgets/commit/108ddae6ca3501a57b499c7080a36cf41a653074))
+
+
+## v2.38.3 (2025-09-23)
+
+### Bug Fixes
+
+- **connector**: Only flush pending events
+  ([`475ca9f`](https://github.com/bec-project/bec_widgets/commit/475ca9f2d81bcc2bb0c7b104c0712b13d6616c08))
+
+- **ringprogressbar**: Fix client signature
+  ([`65bc5f5`](https://github.com/bec-project/bec_widgets/commit/65bc5f5421077da70ef5068d51e36119e1055955))
+
+- **ringprogressbar**: Various fixes and improvements
+  ([`bbb5fc6`](https://github.com/bec-project/bec_widgets/commit/bbb5fc6ce17248a948c6fd4a7652d17d64a79d2a))
+
+### Chores
+
+- Deprecate 3.10, add 3.13
+  ([`3e33934`](https://github.com/bec-project/bec_widgets/commit/3e339348dd3d0a3b12522312132fca139dc22835))
+
+### Testing
+
+- **ringprogressbar**: Extend e2e test
+  ([`b1b6c5e`](https://github.com/bec-project/bec_widgets/commit/b1b6c5e6a5dd81965baa5c742e9bdae8cdb4f09b))
+
+
 ## v2.38.2 (2025-09-11)
 
 ### Bug Fixes

README.md

@@ -1,81 +1,200 @@
-# BEC Widgets
+![banner_opti](https://github.com/user-attachments/assets/44e483be-3f0d-4eb0-bd98-613157456b81)
 
+# 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)
+[![Python](https://img.shields.io/badge/python-3.11%20%7C%203.12%20%7C%203.13-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)
 
+A modular PySide6(Qt6) toolkit for [BEC (Beamline Experiment Control)](https://github.com/bec-project/bec). Create
+high-performance, dockable GUIs to move devices, run scans, and stream live or disk data—powered by Redis and a modular
+plugin system.
 
-**⚠️ Important Notice:**
+## Highlights
 
-🚨 **PyQt6 is no longer supported** due to incompatibilities with Qt Designer. Please use **PySide6** instead. 🚨
+- **No-code first** — For ~90% of day-to-day workflows, you can compose, operate, and save workspaces **without writing
+  a single line of code**. Just launch, drag widgets, and do your experiment.
+- **Flexible layout composition** — Build complex experiment GUIs in seconds with the `BECDockArea`: drag‑dock, tab,
+  split, and export profiles/workspaces for reuse.
+- **CLI / scripting** — Control your beamline experiment from the command line a robust RPC layer using
+  `BECIPythonClient`.
+- **Designer integration** — Use Qt Designer plugins to drop BEC widgets next to any Qt control, then launch the `.ui`
+  with the custom BEC loader for a zero‑glue workflow.
+- **Operational integration** — Widgets stay in sync with your running BEC/Redis as the single source of truth:
+  Subscribe to events from BEC and create dynamically updating UIs. BECWidgets also grants you easy access the
+  acquisition history.
+- **Extensible by design** — Build new widgets with minimal boilerplate using `BECWidget` and `BECDispatcher` for BEC data and
+  messaging. Use the generator command to scaffold RPC interfaces and Designer plugin stubs; beamline plugins can extend
+  or override behavior as needed.
 
-BEC Widgets is a GUI framework designed for interaction with [BEC (Beamline Experiment Control)](https://gitlab.psi.ch/bec/bec).
+## Table of Contents
+
+- [Installation](#installation)
+- [Features](#features)
+    - [1. Dock area interface: build GUIs in seconds](#1-dock-area-interface-build-guis-in-seconds)
+    - [2. Qt Designer plugins + BEC Launcher (no glue)](#2-qt-designer-plugins--bec-launcher-no-glue)
+    - [3. Robust RPC from CLI & remote scripting](#3-robust-rpc-from-cli--remote-scripting)
+    - [4. Rapid development (extensible by design)](#4-rapid-development-extensible-by-design)
+- [Widget Library](#widget-library)
+- [Documentation](#documentation)
+- [License](#license)
 
 ## Installation
 
+Use any of the following setups:
+
+### Stable release
+
 Use the package manager [pip](https://pip.pypa.io/en/stable/) to install BEC Widgets:
 
 ```bash
-pip install bec_widgets[pyside6]
+pip install bec_widgets
 ```
 
+### From source (recommended for development)
+
 For development purposes, you can clone the repository and install the package locally in editable mode:
 
 ```bash
-git clone https://gitlab.psi.ch/bec/bec-widgets
+git clone https://github.com/bec-project/bec_widgets.git
 cd bec_widgets
-pip install -e .[dev,pyside6]
+pip install -e .[dev]
 ```
 
-BEC Widgets now **only supports PySide6**. Users must manually install PySide6 as no default Qt distribution is
-specified.
+## Features
+
+### 1. Dock area interface: build GUIs in seconds
+
+The fastest way to explore BEC Widgets. Launch the BEC IPython client with simply `bec` in terminal and the **BECDockArea** opens as the default UI:
+drag widgets, dock/tab/split panes, and explore. Everything is live—widgets auto-connect to BEC/Redis, so you can
+operate immediately and refine later with RPC or Designer if needed.
+
+![dock_area_example](https://github.com/user-attachments/assets/219a2806-19a8-4a07-9734-b7b554850833)
+
+### 2. Qt Designer plugins + BEC Launcher (no glue)
+
+All BEC Widgets ship as **Qt Designer plugins** with our custom Qt Designer launchable by `bec-designer`. Design your UI
+visually in Designer, save a `.ui`, then launch it with
+the **BEC Launcher**—no glue code. Widgets auto‑connect to BEC/Redis on startup, so your UI is operational immediately.
+
+![designer_opti](https://github.com/user-attachments/assets/fed4843c-1cce-438a-b41f-6636fa5e1545)
+
+### 3. Robust RPC from CLI & remote scripting
+
+Operate and automate BEC Widgets directly from the `BECIPythonClient`. Create or attach to GUIs, address any sub-widget
+via a simple hierarchical API with tab-completion, and script event-driven behavior that reacts to BEC (scan lifecycle,
+active devices, topics)—so your UI can be heavily automated.
+
+- Create & control GUIs: launch, load profiles, open/close panels, tweak properties—all from the shell.
+- Hierarchical addressing: navigate widgets and sub-widgets with discoverable paths and tab-completion.
+- Event scripting: subscribe to BEC events (e.g., scan start/finish, device readiness, topic updates) and trigger
+  actions,switch profiles, open diagnostic views, or start specific scans.
+- Remote & headless: run automation on analysis nodes or from notebooks without a local GUI process.
+- Plays with no-code: Use the Dock Area / BEC Designer to set up the layout and add automation with RPC when needed.
+
+![rpc_opti](https://github.com/user-attachments/assets/666be7fb-9a0d-44c2-8d44-2f9d1dae4497)
+
+### 4. Rapid development (extensible by design)
+
+Build new widgets fast: Inherit from `BECWidget`, list your RPC methods in `USER_ACCESS`, and use `bec_dispatcher` to
+bind endpoints. Then run `bw-generate-cli --target <your-plugin-repo>`. This generates the RPC CLI bindings and a Qt
+Designer plugin that are immediately usable with your BEC setup. Widgets
+come online with live BEC/Redis wiring out of the box. 
+
+<details>
+<summary> View code: Example Widget </summary>
+
+```python
+    from typing import Literal
+
+from qtpy.QtWidgets import QWidget, QLabel, QPushButton, QHBoxLayout, QVBoxLayout, QApplication
+from qtpy.QtCore import Slot
+
+from bec_lib.endpoints import MessageEndpoints
+from bec_widgets import BECWidget, SafeSlot
+
+
+class SimpleMotorWidget(BECWidget, QWidget):
+    USER_ACCESS = ["move"]
+
+    def __init__(self, parent=None, motor_name="samx", step=5.0, **kwargs):
+        super().__init__(parent=parent, **kwargs)
+        self.motor_name = motor_name
+        self.step = float(step)
+
+        self.get_bec_shortcuts()
+
+        self.value_label = QLabel(f"{self.motor_name}: —")
+        self.btn_left = QPushButton("◀︎ -5")
+        self.btn_right = QPushButton("+5 ▶︎")
+
+        row = QHBoxLayout()
+        row.addWidget(self.btn_left)
+        row.addWidget(self.btn_right)
+
+        col = QVBoxLayout(self)
+        col.addWidget(self.value_label)
+        col.addLayout(row)
+
+        self.btn_left.clicked.connect(lambda: self.move("left", self.step))
+        self.btn_right.clicked.connect(lambda: self.move("right", self.step))
+
+        self.bec_dispatcher.connect_slot(self.on_readback, MessageEndpoints.device_readback(self.motor_name))
+
+    @SafeSlot(dict, dict)
+    def on_readback(self, data: dict, meta: dict):
+        current_value = data.get("signals").get(self.motor_name).get('value')
+        self.value_label.setText(f"{self.motor_name}: {current_value:.3f}")
+
+    @Slot(str, float)
+    def move(self, direction: Literal["left", "right"] = "left", step: float = 5.0):
+        if direction == "left":
+            self.dev[self.motor_name].move(-step, relative=True)
+        else:
+            self.dev[self.motor_name].move(step, relative=True)
+
+
+if __name__ == "__main__":
+    import sys
+
+    app = QApplication(sys.argv)
+    w = SimpleMotorWidget(motor_name="samx", step=5.0)
+    w.setWindowTitle("MotorJogWidget")
+    w.resize(280, 90)
+    w.show()
+    sys.exit(app.exec_())
+```
+
+</details>
+
+## Widget Library
+
+A large and growing catalog—plug, configure, run:
+
+### Plotting
+
+Waveform, MultiWaveform, and Image/Heatmap widgets deliver responsive plots with crosshairs and ROIs for live and
+history data.
+
+<img width="1108" height="838" alt="plotting_hr" src="https://github.com/user-attachments/assets/f50462a5-178d-44d4-aee5-d378c74b107b" />
+
+### Scan orchestration and motion control.
+
+Start and stop scans, track progress, reuse parameter presets, and browse history from a focused control surface.
+Positioner boxes and tweak controls handle precise moves, homing, and calibration for day‑to‑day alignment.
+
+<img width="1496" height="1388" alt="control" src="https://github.com/user-attachments/assets/d4fb2e2e-04f9-4621-8087-790680797620" />
 
 ## Documentation
 
-Documentation of BEC Widgets can be found [here](https://bec-widgets.readthedocs.io/en/latest/). The documentation of the BEC can be found [here](https://bec.readthedocs.io/en/latest/).
-
-## Contributing
-
-All commits should use the Angular commit scheme:
-
-> #### <a name="commit-header"></a>Angular Commit Message Header
->
-> ```
-> <type>(<scope>): <short summary>
->   │       │             │
->   │       │             └─⫸ Summary in present tense. Not capitalized. No period at the end.
->   │       │
->   │       └─⫸ Commit Scope: animations|bazel|benchpress|common|compiler|compiler-cli|core|
->   │                          elements|forms|http|language-service|localize|platform-browser|
->   │                          platform-browser-dynamic|platform-server|router|service-worker|
->   │                          upgrade|zone.js|packaging|changelog|docs-infra|migrations|ngcc|ve|
->   │                          devtools
->   │
->   └─⫸ Commit Type: build|ci|docs|feat|fix|perf|refactor|test
-> ```
->
-> The `<type>` and `<summary>` fields are mandatory, the `(<scope>)` field is optional.
-
-> ##### Type
->
-> Must be one of the following:
->
-> * **build**: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
-> * **ci**: Changes to our CI configuration files and scripts (examples: CircleCi, SauceLabs)
-> * **docs**: Documentation only changes
-> * **feat**: A new feature
-> * **fix**: A bug fix
-> * **perf**: A code change that improves performance
-> * **refactor**: A code change that neither fixes a bug nor adds a feature
-> * **test**: Adding missing tests or correcting existing tests
+Documentation of BEC Widgets can be found [here](https://bec-widgets.readthedocs.io/en/latest/). The documentation of
+the BEC can be found [here](https://bec.readthedocs.io/en/latest/).
 
 ## License
 
 [BSD-3-Clause](https://choosealicense.com/licenses/bsd-3-clause/)
-

THIRD-PARTY-LICENCES

@@ -0,0 +1,28 @@
+While BEC Widgets is shipped with BSD-3-Clause license, it includes third-party components with different licenses. Below is a list of these components along with their respective licenses.
+
+Core Dependencies:
+- BEC: BSD-3-Clause License, see [here](https://github.com/bec-project/bec/blob/main/LICENSE)
+- black: MIT License, see [here](https://github.com/psf/black/blob/main/LICENSE)
+- isort: MIT License, see [here](https://github.com/PyCQA/isort/blob/main/LICENSE)
+- pydantic: MIT License, see [here](https://github.com/pydantic/pydantic/blob/main/LICENSE)
+- pyqtgraph: MIT License, see [here](https://github.com/pyqtgraph/pyqtgraph/blob/master/LICENSE.txt)
+- PySide6: LGPLv3 License, see [here](https://doc.qt.io/qtforpython/licenses.html)
+- qtconsole: BSD-3-Clause License, see [here](https://github.com/spyder-ide/qtconsole/blob/main/LICENSE)
+- qtpy: MIT License, see [here](https://github.com/spyder-ide/qtpy/blob/master/LICENSE.txt)
+- qtmonaco: BSD-3-Clause License, see [here](https://github.com/bec-project/qtmonaco/blob/main/LICENSE)
+- thefuzz: MIT License, see [here](https://github.com/seatgeek/thefuzz/blob/master/LICENSE.txt)
+
+
+Additional Dependencies (Testing/Development):
+- coverage: Apache License 2.0, see [here](https://github.com/coveragepy/coveragepy/blob/main/LICENSE.txt)
+- fakeredis: BSD-3-Clause License, see [here](https://github.com/cunla/fakeredis-py/blob/master/LICENSE)
+- pytest-bec-e2e: BSD-3-Clause License, see [here](https://github.com/bec-project/bec/blob/main/LICENSE)
+- pytest-qt: MIT License, see [here](https://github.com/pytest-dev/pytest-qt/blob/master/LICENSE)
+- pytest-random-order: MIT License, see [here](https://github.com/pytest-dev/pytest-random-order/blob/main/LICENSE)
+- pytest-timeout: MIT License, see [here](https://github.com/pytest-dev/pytest-timeout/blob/main/LICENSE)
+- pytest-xvfb: MIT License, see [here](https://github.com/The-Compiler/pytest-xvfb/blob/master/LICENSE)
+- pytest: MIT License, see [here](https://github.com/pytest-dev/pytest/blob/main/LICENSE)
+- pytest-cov: MIT License, see [here](https://github.com/pytest-dev/pytest-cov/blob/main/LICENSE)
+- watchdog: Apache License 2.0, see [here](https://github.com/gorakhargosh/watchdog/blob/master/LICENSE)
+- pre_commit: MIT License, see [here](https://github.com/pre-commit/pre-commit/blob/main/LICENSE)
+

bec_widgets/cli/client.py

@@ -45,6 +45,7 @@ _Widgets = {
     "MonacoWidget": "MonacoWidget",
     "MotorMap": "MotorMap",
     "MultiWaveform": "MultiWaveform",
+    "PdfViewerWidget": "PdfViewerWidget",
     "PositionIndicator": "PositionIndicator",
     "PositionerBox": "PositionerBox",
     "PositionerBox2D": "PositionerBox2D",
@@ -1204,6 +1205,12 @@ class EllipticalROI(RPCBase):
 class Heatmap(RPCBase):
     """Heatmap widget for visualizing 2d grid data with color mapping for the z-axis."""
 
+    @rpc_call
+    def remove(self):
+        """
+        Cleanup the BECConnector
+        """
+
     @property
     @rpc_call
     def enable_toolbar(self) -> "bool":
@@ -1391,6 +1398,29 @@ class Heatmap(RPCBase):
         Show the outer axes of the plot widget.
         """
 
+    @property
+    @rpc_call
+    def lock_aspect_ratio(self) -> "bool":
+        """
+        Whether the aspect ratio is locked.
+        """
+
+    @lock_aspect_ratio.setter
+    @rpc_call
+    def lock_aspect_ratio(self) -> "bool":
+        """
+        Whether the aspect ratio is locked.
+        """
+
+    @rpc_call
+    def auto_range(self, value: "bool" = True):
+        """
+        On demand apply autorange to the plot item based on the visible curves.
+
+        Args:
+            value(bool): If True, apply autorange to the visible curves.
+        """
+
     @property
     @rpc_call
     def auto_range_x(self) -> "bool":
@@ -1419,6 +1449,48 @@ class Heatmap(RPCBase):
         Set auto range for the y-axis.
         """
 
+    @property
+    @rpc_call
+    def x_log(self) -> "bool":
+        """
+        Set X-axis to log scale if True, linear if False.
+        """
+
+    @x_log.setter
+    @rpc_call
+    def x_log(self) -> "bool":
+        """
+        Set X-axis to log scale if True, linear if False.
+        """
+
+    @property
+    @rpc_call
+    def y_log(self) -> "bool":
+        """
+        Set Y-axis to log scale if True, linear if False.
+        """
+
+    @y_log.setter
+    @rpc_call
+    def y_log(self) -> "bool":
+        """
+        Set Y-axis to log scale if True, linear if False.
+        """
+
+    @property
+    @rpc_call
+    def legend_label_size(self) -> "int":
+        """
+        The font size of the legend font.
+        """
+
+    @legend_label_size.setter
+    @rpc_call
+    def legend_label_size(self) -> "int":
+        """
+        The font size of the legend font.
+        """
+
     @property
     @rpc_call
     def minimal_crosshair_precision(self) -> "int":
@@ -1496,20 +1568,6 @@ class Heatmap(RPCBase):
         Get the maximum value of the v_range.
         """
 
-    @property
-    @rpc_call
-    def lock_aspect_ratio(self) -> "bool":
-        """
-        Whether the aspect ratio is locked.
-        """
-
-    @lock_aspect_ratio.setter
-    @rpc_call
-    def lock_aspect_ratio(self) -> "bool":
-        """
-        Whether the aspect ratio is locked.
-        """
-
     @property
     @rpc_call
     def autorange(self) -> "bool":
@@ -1749,6 +1807,12 @@ class Heatmap(RPCBase):
 class Image(RPCBase):
     """Image widget for displaying 2D data."""
 
+    @rpc_call
+    def remove(self):
+        """
+        Cleanup the BECConnector
+        """
+
     @property
     @rpc_call
     def enable_toolbar(self) -> "bool":
@@ -1936,6 +2000,29 @@ class Image(RPCBase):
         Show the outer axes of the plot widget.
         """
 
+    @property
+    @rpc_call
+    def lock_aspect_ratio(self) -> "bool":
+        """
+        Whether the aspect ratio is locked.
+        """
+
+    @lock_aspect_ratio.setter
+    @rpc_call
+    def lock_aspect_ratio(self) -> "bool":
+        """
+        Whether the aspect ratio is locked.
+        """
+
+    @rpc_call
+    def auto_range(self, value: "bool" = True):
+        """
+        On demand apply autorange to the plot item based on the visible curves.
+
+        Args:
+            value(bool): If True, apply autorange to the visible curves.
+        """
+
     @property
     @rpc_call
     def auto_range_x(self) -> "bool":
@@ -1964,6 +2051,48 @@ class Image(RPCBase):
         Set auto range for the y-axis.
         """
 
+    @property
+    @rpc_call
+    def x_log(self) -> "bool":
+        """
+        Set X-axis to log scale if True, linear if False.
+        """
+
+    @x_log.setter
+    @rpc_call
+    def x_log(self) -> "bool":
+        """
+        Set X-axis to log scale if True, linear if False.
+        """
+
+    @property
+    @rpc_call
+    def y_log(self) -> "bool":
+        """
+        Set Y-axis to log scale if True, linear if False.
+        """
+
+    @y_log.setter
+    @rpc_call
+    def y_log(self) -> "bool":
+        """
+        Set Y-axis to log scale if True, linear if False.
+        """
+
+    @property
+    @rpc_call
+    def legend_label_size(self) -> "int":
+        """
+        The font size of the legend font.
+        """
+
+    @legend_label_size.setter
+    @rpc_call
+    def legend_label_size(self) -> "int":
+        """
+        The font size of the legend font.
+        """
+
     @property
     @rpc_call
     def minimal_crosshair_precision(self) -> "int":
@@ -2041,20 +2170,6 @@ class Image(RPCBase):
         Get the maximum value of the v_range.
         """
 
-    @property
-    @rpc_call
-    def lock_aspect_ratio(self) -> "bool":
-        """
-        Whether the aspect ratio is locked.
-        """
-
-    @lock_aspect_ratio.setter
-    @rpc_call
-    def lock_aspect_ratio(self) -> "bool":
-        """
-        Whether the aspect ratio is locked.
-        """
-
     @property
     @rpc_call
     def autorange(self) -> "bool":
@@ -2218,7 +2333,7 @@ class Image(RPCBase):
         Set the image source and update the image.
 
         Args:
-            monitor(str): The name of the monitor to use for the image.
+            monitor(str|tuple|None): The name of the monitor to use for the image, or a tuple of (device, signal) for preview signals. If None or empty string, the current monitor will be disconnected.
             monitor_type(str): The type of monitor to use. Options are "1d", "2d", or "auto".
             color_map(str): The color map to use for the image.
             color_bar(str): The type of color bar to use. Options are "simple" or "full".
@@ -2594,6 +2709,12 @@ class MonacoWidget(RPCBase):
 class MotorMap(RPCBase):
     """Motor map widget for plotting motor positions in 2D including a trace of the last points."""
 
+    @rpc_call
+    def remove(self):
+        """
+        Cleanup the BECConnector
+        """
+
     @property
     @rpc_call
     def enable_toolbar(self) -> "bool":
@@ -2795,6 +2916,15 @@ class MotorMap(RPCBase):
         Lock aspect ratio of the plot widget.
         """
 
+    @rpc_call
+    def auto_range(self, value: "bool" = True):
+        """
+        On demand apply autorange to the plot item based on the visible curves.
+
+        Args:
+            value(bool): If True, apply autorange to the visible curves.
+        """
+
     @property
     @rpc_call
     def auto_range_x(self) -> "bool":
@@ -2865,6 +2995,20 @@ class MotorMap(RPCBase):
         The font size of the legend font.
         """
 
+    @property
+    @rpc_call
+    def minimal_crosshair_precision(self) -> "int":
+        """
+        Minimum decimal places for crosshair when dynamic precision is enabled.
+        """
+
+    @minimal_crosshair_precision.setter
+    @rpc_call
+    def minimal_crosshair_precision(self) -> "int":
+        """
+        Minimum decimal places for crosshair when dynamic precision is enabled.
+        """
+
     @rpc_timeout(None)
     @rpc_call
     def screenshot(self, file_name: "str | None" = None):
@@ -2992,6 +3136,12 @@ class MotorMap(RPCBase):
 class MultiWaveform(RPCBase):
     """MultiWaveform widget for displaying multiple waveforms emitted by a single signal."""
 
+    @rpc_call
+    def remove(self):
+        """
+        Cleanup the BECConnector
+        """
+
     @property
     @rpc_call
     def enable_toolbar(self) -> "bool":
@@ -3193,6 +3343,15 @@ class MultiWaveform(RPCBase):
         Lock aspect ratio of the plot widget.
         """
 
+    @rpc_call
+    def auto_range(self, value: "bool" = True):
+        """
+        On demand apply autorange to the plot item based on the visible curves.
+
+        Args:
+            value(bool): If True, apply autorange to the visible curves.
+        """
+
     @property
     @rpc_call
     def auto_range_x(self) -> "bool":
@@ -3421,6 +3580,137 @@ class MultiWaveform(RPCBase):
         """
 
 
+class PdfViewerWidget(RPCBase):
+    """A widget to display PDF documents with toolbar controls."""
+
+    @rpc_call
+    def load_pdf(self, file_path: str):
+        """
+        Load a PDF file into the viewer.
+
+        Args:
+            file_path (str): Path to the PDF file to load.
+        """
+
+    @rpc_call
+    def zoom_in(self):
+        """
+        Zoom in the PDF view.
+        """
+
+    @rpc_call
+    def zoom_out(self):
+        """
+        Zoom out the PDF view.
+        """
+
+    @rpc_call
+    def fit_to_width(self):
+        """
+        Fit PDF to width.
+        """
+
+    @rpc_call
+    def fit_to_page(self):
+        """
+        Fit PDF to page.
+        """
+
+    @rpc_call
+    def reset_zoom(self):
+        """
+        Reset zoom to 100% (1.0 factor).
+        """
+
+    @rpc_call
+    def previous_page(self):
+        """
+        Go to previous page.
+        """
+
+    @rpc_call
+    def next_page(self):
+        """
+        Go to next page.
+        """
+
+    @rpc_call
+    def toggle_continuous_scroll(self, checked: bool):
+        """
+        Toggle between single page and continuous scroll mode.
+
+        Args:
+            checked (bool): True to enable continuous scroll, False for single page mode.
+        """
+
+    @property
+    @rpc_call
+    def page_spacing(self):
+        """
+        Get the spacing between pages in continuous scroll mode.
+        """
+
+    @page_spacing.setter
+    @rpc_call
+    def page_spacing(self):
+        """
+        Get the spacing between pages in continuous scroll mode.
+        """
+
+    @property
+    @rpc_call
+    def side_margins(self):
+        """
+        Get the horizontal margins (side spacing) around the PDF content.
+        """
+
+    @side_margins.setter
+    @rpc_call
+    def side_margins(self):
+        """
+        Get the horizontal margins (side spacing) around the PDF content.
+        """
+
+    @rpc_call
+    def go_to_first_page(self):
+        """
+        Go to the first page.
+        """
+
+    @rpc_call
+    def go_to_last_page(self):
+        """
+        Go to the last page.
+        """
+
+    @rpc_call
+    def jump_to_page(self, page_number: int):
+        """
+        Jump to a specific page number (1-based index).
+        """
+
+    @property
+    @rpc_call
+    def current_page(self):
+        """
+        Get the current page number (1-based index).
+        """
+
+    @property
+    @rpc_call
+    def current_file_path(self):
+        """
+        Get the current PDF file path.
+        """
+
+    @current_file_path.setter
+    @rpc_call
+    def current_file_path(self):
+        """
+        Get the current PDF file path.
+        """
+
+
 class PositionIndicator(RPCBase):
     """Display a position within a defined range, e.g. motor limits."""
 
@@ -3534,6 +3824,34 @@ class PositionerBox2D(RPCBase):
         Take a screenshot of the dock area and save it to a file.
         """
 
+    @property
+    @rpc_call
+    def enable_controls_hor(self) -> "bool":
+        """
+        Persisted switch for horizontal control buttons (tweak/step).
+        """
+
+    @enable_controls_hor.setter
+    @rpc_call
+    def enable_controls_hor(self) -> "bool":
+        """
+        Persisted switch for horizontal control buttons (tweak/step).
+        """
+
+    @property
+    @rpc_call
+    def enable_controls_ver(self) -> "bool":
+        """
+        Persisted switch for vertical control buttons (tweak/step).
+        """
+
+    @enable_controls_ver.setter
+    @rpc_call
+    def enable_controls_ver(self) -> "bool":
+        """
+        Persisted switch for vertical control buttons (tweak/step).
+        """
+
 
 class PositionerControlLine(RPCBase):
     """A widget that controls a single device."""
@@ -3653,8 +3971,8 @@ class RectangularROI(RPCBase):
     @rpc_call
     def get_coordinates(self, typed: "bool | None" = None) -> "dict | tuple":
         """
-        Returns the coordinates of a rectangle's corners. Supports returning them
-        as either a dictionary with descriptive keys or a tuple of coordinates.
+        Returns the coordinates of a rectangle's corners, rectangle center and dimensions.
+        Supports returning them as either a dictionary with descriptive keys or a tuple of coordinates.
 
         Args:
             typed (bool | None): If True, returns coordinates as a dictionary with
@@ -3662,7 +3980,7 @@ class RectangularROI(RPCBase):
                 the value of `self.description`.
 
         Returns:
-            dict | tuple: The rectangle's corner coordinates, where the format
+            dict | tuple: The rectangle's corner coordinates, rectangle center and dimensions, where the format
                 depends on the `typed` parameter.
         """
 
@@ -3880,7 +4198,7 @@ class RingProgressBar(RPCBase):
         """
 
     @rpc_call
-    def set_precision(self, precision: "int", bar_index: "int" = None):
+    def set_precision(self, precision: "int", bar_index: "int | None" = None):
         """
         Set the precision for the progress bars. If bar_index is not provide, the precision will be set for all progress bars.
 
@@ -4042,6 +4360,12 @@ class ScatterCurve(RPCBase):
 
 
 class ScatterWaveform(RPCBase):
+    @rpc_call
+    def remove(self):
+        """
+        Cleanup the BECConnector
+        """
+
     @property
     @rpc_call
     def enable_toolbar(self) -> "bool":
@@ -4243,6 +4567,15 @@ class ScatterWaveform(RPCBase):
         Lock aspect ratio of the plot widget.
         """
 
+    @rpc_call
+    def auto_range(self, value: "bool" = True):
+        """
+        On demand apply autorange to the plot item based on the visible curves.
+
+        Args:
+            value(bool): If True, apply autorange to the visible curves.
+        """
+
     @property
     @rpc_call
     def auto_range_x(self) -> "bool":
@@ -4661,14 +4994,10 @@ class VSCodeEditor(RPCBase):
 class Waveform(RPCBase):
     """Widget for plotting waveforms."""
 
-    @property
     @rpc_call
-    def _config_dict(self) -> "dict":
+    def remove(self):
         """
-        Get the configuration of the widget.
-
-        Returns:
-            dict: The configuration of the widget.
+        Cleanup the BECConnector
         """
 
     @property
@@ -4872,6 +5201,15 @@ class Waveform(RPCBase):
         Lock aspect ratio of the plot widget.
         """
 
+    @rpc_call
+    def auto_range(self, value: "bool" = True):
+        """
+        On demand apply autorange to the plot item based on the visible curves.
+
+        Args:
+            value(bool): If True, apply autorange to the visible curves.
+        """
+
     @property
     @rpc_call
     def auto_range_x(self) -> "bool":
@@ -4900,15 +5238,6 @@ class Waveform(RPCBase):
         Set auto range for the y-axis.
         """
 
-    @rpc_call
-    def auto_range(self, value: "bool" = True):
-        """
-        On demand apply autorange to the plot item based on the visible curves.
-
-        Args:
-            value(bool): If True, apply autorange to the visible curves.
-        """
-
     @property
     @rpc_call
     def x_log(self) -> "bool":
@@ -4972,6 +5301,16 @@ class Waveform(RPCBase):
         Take a screenshot of the dock area and save it to a file.
         """
 
+    @property
+    @rpc_call
+    def _config_dict(self) -> "dict":
+        """
+        Get the configuration of the widget.
+
+        Returns:
+            dict: The configuration of the widget.
+        """
+
     @property
     @rpc_call
     def curves(self) -> "list[Curve]":
@@ -5079,6 +5418,8 @@ class Waveform(RPCBase):
         color: "str | None" = None,
         label: "str | None" = None,
         dap: "str | None" = None,
+        scan_id: "str | None" = None,
+        scan_number: "int | None" = None,
         **kwargs,
     ) -> "Curve":
         """
@@ -5098,9 +5439,13 @@ class Waveform(RPCBase):
             y_entry(str): The name of the entry for the y-axis.
             color(str): The color of the curve.
             label(str): The label of the curve.
-            dap(str): The dap model to use for the curve, only available for sync devices.
-            If not specified, none will be added.
-            Use the same string as is the name of the LMFit model.
+            dap(str): The dap model to use for the curve. When provided, a DAP curve is
+                attached automatically for device, history, or custom data sources. Use
+                the same string as the LMFit model name.
+            scan_id(str):  Optional scan ID. When provided, the curve is treated as a **history** curve and
+                the y‑data (and optional x‑data) are fetched from that historical scan. Such curves are
+                never cleared by live‑scan resets.
+            scan_number(int): Optional scan index. When provided, the curve is treated as a **history** curve and
 
         Returns:
             Curve: The curve object.
@@ -5116,11 +5461,12 @@ class Waveform(RPCBase):
         **kwargs,
     ) -> "Curve":
         """
-        Create a new DAP curve referencing the existing device curve `device_label`,
-        with the data processing model `dap_name`.
+        Create a new DAP curve referencing the existing curve `device_label`, with the
+        data processing model `dap_name`. DAP curves can be attached to curves that
+        originate from live devices, history, or fully custom data sources.
 
         Args:
-            device_label(str): The label of the device curve to add DAP to.
+            device_label(str): The label of the source curve to add DAP to.
             dap_name(str): The name of the DAP model to use.
             color(str): The color of the curve.
             dap_oversample(int): The oversampling factor for the DAP curve.
@@ -5143,11 +5489,11 @@ class Waveform(RPCBase):
     def update_with_scan_history(self, scan_index: "int" = None, scan_id: "str" = None):
         """
         Update the scan curves with the data from the scan storage.
-        Provide only one of scan_id or scan_index.
+        If both arguments are provided, scan_id takes precedence and scan_index is ignored.
 
         Args:
             scan_id(str, optional): ScanID of the scan to be updated. Defaults to None.
-            scan_index(int, optional): Index of the scan to be updated. Defaults to None.
+            scan_index(int, optional): Index (scan number) of the scan to be updated. Defaults to None.
         """
 
     @rpc_call

bec_widgets/cli/client_utils.py

@@ -285,6 +285,18 @@ class BECGuiClient(RPCBase):
         """Hide the GUI window."""
         return self._hide_all()
 
+    def raise_window(self, wait: bool = True) -> None:
+        """
+        Bring GUI windows to the front.
+        If the GUI server is not running, it will be started.
+
+        Args:
+            wait(bool): Whether to wait for the server to start. Defaults to True.
+        """
+        if self._check_if_server_is_alive():
+            return self._raise_all()
+        return self._start(wait=wait)
+
     def new(
         self,
         name: str | None = None,
@@ -443,8 +455,8 @@ class BECGuiClient(RPCBase):
         self._update_dynamic_namespace(self._server_registry)
 
     def _do_show_all(self):
-        rpc_client = RPCBase(gui_id=f"{self._gui_id}:launcher", parent=self)
-        rpc_client._run_rpc("show")  # pylint: disable=protected-access
+        if self.launcher and len(self._top_level) == 0:
+            self.launcher._run_rpc("show")  # pylint: disable=protected-access
         for window in self._top_level.values():
             window.show()
 
@@ -454,11 +466,24 @@ class BECGuiClient(RPCBase):
 
     def _hide_all(self):
         with wait_for_server(self):
-            rpc_client = RPCBase(gui_id=f"{self._gui_id}:launcher", parent=self)
-            rpc_client._run_rpc("hide")  # pylint: disable=protected-access
-            if not self._killed:
-                for window in self._top_level.values():
-                    window.hide()
+            if self._killed:
+                return
+            self.launcher._run_rpc("hide")
+            for window in self._top_level.values():
+                window.hide()
+
+    def _do_raise_all(self):
+        """Bring GUI windows to the front."""
+        if self.launcher and len(self._top_level) == 0:
+            self.launcher._run_rpc("raise")  # pylint: disable=protected-access
+        for window in self._top_level.values():
+            window._run_rpc("raise")  # type: ignore[attr-defined]
+
+    def _raise_all(self):
+        with wait_for_server(self):
+            if self._killed:
+                return
+            return self._do_raise_all()
 
     def _update_dynamic_namespace(self, server_registry: dict):
         """

bec_widgets/cli/rpc/rpc_base.py

@@ -202,6 +202,11 @@ class RPCBase:
             parent = parent._parent
         return parent  # type: ignore
 
+    def raise_window(self):
+        """Bring this widget (or its container) to the front."""
+        # Use explicit call to ensure action name is 'raise' (not 'raise_')
+        return self._run_rpc("raise")
+
     def _run_rpc(
         self,
         method,
@@ -225,6 +230,12 @@ class RPCBase:
         Returns:
             The result of the RPC call.
         """
+        if method in ["show", "hide", "raise"] and gui_id is None:
+            obj = self._root._server_registry.get(self._gui_id)
+            if obj is None:
+                raise ValueError(f"Widget {self._gui_id} not found.")
+            gui_id = obj.get("container_proxy")  # type: ignore
+
         request_id = str(uuid.uuid4())
         rpc_msg = messages.GUIInstructionMessage(
             action=method,

bec_widgets/examples/jupyter_console/jupyter_console_window.py

@@ -55,7 +55,7 @@ class JupyterConsoleWindow(QWidget):  # pragma: no cover:
                     # "btn6": self.btn6,
                     # "pb": self.pb,
                     # "pi": self.pi,
-                    # "wf": self.wf,
+                    "wf": self.wf,
                     # "scatter": self.scatter,
                     # "scatter_mi": self.scatter,
                     # "mwf": self.mwf,
@@ -105,12 +105,11 @@ class JupyterConsoleWindow(QWidget):  # pragma: no cover:
         # 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)
+        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")
         #
         sixth_tab = QWidget()
         sixth_tab_layout = QVBoxLayout(sixth_tab)

bec_widgets/tests/utils.py

@@ -173,7 +173,7 @@ class FakePositioner(BECPositioner):
     def set_read_value(self, value):
         self.read_value = value
 
-    def read(self):
+    def read(self, cached=False):
         return self.signals
 
     def set_limits(self, limits):

bec_widgets/utils/bec_connector.py

@@ -213,7 +213,7 @@ class BECConnector:
           - If there's a nearest BECConnector parent, only compare with children of that parent.
           - If parent is None (i.e., top-level object), compare with all other top-level BECConnectors.
         """
-        QApplication.processEvents()
+        QApplication.sendPostedEvents()
         parent_bec = WidgetHierarchy._get_becwidget_ancestor(self)
 
         if parent_bec:

bec_widgets/utils/forms_from_types/forms.py

@@ -81,10 +81,11 @@ class TypedForm(BECWidget, QWidget):
 
         self._form_grid_container = QWidget(parent=self)
         self._form_grid_container.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)
+        self._form_grid_container.setLayout(QVBoxLayout())
+        self._layout.addWidget(self._form_grid_container)
+
         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
@@ -105,11 +106,11 @@ class TypedForm(BECWidget, QWidget):
 
     def _add_griditem(self, item: FormItemSpec, row: int):
         grid = self._form_grid.layout()
-        label = QLabel(item.name)
+        label = QLabel(parent=self._form_grid, text=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 = self._widget_from_type(item, self._widget_types)(parent=self._form_grid, spec=item)
         widget.valueChanged.connect(self.value_changed)
         widget.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)
         grid.addWidget(widget, row, 1)
@@ -128,19 +129,17 @@ class TypedForm(BECWidget, QWidget):
         }
 
     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()
+        gl = self._form_grid.layout()
+        while w := gl.takeAt(0):
+            w = w.widget()
+            if hasattr(w, "teardown"):
+                w.teardown()
+            w.deleteLater()
+        self._form_grid_container.layout().removeWidget(self._form_grid)
+        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):
@@ -149,7 +148,7 @@ class TypedForm(BECWidget, QWidget):
         self.adjustSize()
 
     def _new_grid_layout(self):
-        new_grid = QGridLayout()
+        new_grid = QGridLayout(self)
         new_grid.setContentsMargins(0, 0, 0, 0)
         return new_grid
 

bec_widgets/utils/forms_from_types/items.py

@@ -4,7 +4,17 @@ 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 typing import (
+    Callable,
+    Final,
+    Generic,
+    Iterable,
+    Literal,
+    NamedTuple,
+    OrderedDict,
+    TypeVar,
+    get_args,
+)
 
 from bec_lib.logger import bec_logger
 from bec_qthemes import material_icon
@@ -199,6 +209,12 @@ class DynamicFormItem(QWidget):
     def _value_changed(self, *_, **__):
         self.valueChanged.emit()
 
+    def teardown(self):
+        self._layout.deleteLater()
+        self._layout.removeWidget(self._main_widget)
+        self._main_widget.deleteLater()
+        self._main_widget = None
+
 
 class StrFormItem(DynamicFormItem):
     def __init__(self, parent: QWidget | None = None, *, spec: FormItemSpec) -> None:
@@ -350,11 +366,13 @@ class DictFormItem(DynamicFormItem):
         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]
+_IW = TypeVar("_IW", bound=int | float | str)
+
+
+class _ItemAndWidgetType(NamedTuple, Generic[_IW]):
+    item: type[_IW]
     widget: type[QWidget]
-    default: int | float | str
+    default: _IW
 
 
 class ListFormItem(DynamicFormItem):

bec_widgets/utils/rpc_server.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import functools
+import time
 import traceback
 import types
 from contextlib import contextmanager
@@ -10,7 +11,7 @@ from bec_lib.client import BECClient
 from bec_lib.endpoints import MessageEndpoints
 from bec_lib.logger import bec_logger
 from bec_lib.utils.import_utils import lazy_import
-from qtpy.QtCore import QTimer
+from qtpy.QtCore import Qt, QTimer
 from qtpy.QtWidgets import QApplication
 from redis.exceptions import RedisError
 
@@ -128,16 +129,44 @@ class RPCServer:
         # Run with rpc registry broadcast, but only once
         with RPCRegister.delayed_broadcast():
             logger.debug(f"Running RPC instruction: {method} with args: {args}, kwargs: {kwargs}")
-            method_obj = getattr(obj, method)
-            # check if the method accepts args and kwargs
-            if not callable(method_obj):
-                if not args:
-                    res = method_obj
-                else:
-                    setattr(obj, method, args[0])
-                    res = None
+            if method == "raise" and hasattr(
+                obj, "setWindowState"
+            ):  # special case for raising windows, should work even if minimized
+                # this is a special case for raising windows for gnome on rethat 9 systems where changing focus is supressed by default
+                # The procedure is as follows:
+                # 1. Get the current window state to check if the window is minimized and remove minimized flag
+                # 2. Then in order to force gnome to raise the window, we set the window to stay on top temporarily
+                #    and call raise_() and activateWindow()
+                #    This forces gnome to raise the window even if focus stealing is prevented
+                # 3. Flag for stay on top is removed again to restore the original window state
+                # 4. Finally, we call show() to ensure the window is visible
+
+                state = getattr(obj, "windowState", lambda: Qt.WindowNoState)()
+                target_state = state | Qt.WindowActive
+                if state & Qt.WindowMinimized:
+                    target_state &= ~Qt.WindowMinimized
+                obj.setWindowState(target_state)
+                if hasattr(obj, "showNormal") and state & Qt.WindowMinimized:
+                    obj.showNormal()
+                if hasattr(obj, "raise_"):
+                    obj.setWindowFlags(obj.windowFlags() | Qt.WindowStaysOnTopHint)
+                    obj.raise_()
+                if hasattr(obj, "activateWindow"):
+                    obj.activateWindow()
+                obj.setWindowFlags(obj.windowFlags() & ~Qt.WindowStaysOnTopHint)
+                obj.show()
+                res = None
             else:
-                res = method_obj(*args, **kwargs)
+                method_obj = getattr(obj, method)
+                # check if the method accepts args and kwargs
+                if not callable(method_obj):
+                    if not args:
+                        res = method_obj
+                    else:
+                        setattr(obj, method, args[0])
+                        res = None
+                else:
+                    res = method_obj(*args, **kwargs)
 
             if isinstance(res, list):
                 res = [self.serialize_object(obj) for obj in res]
@@ -229,6 +258,8 @@ class RPCServer:
         if wait:
             while not self.rpc_register.object_is_registered(connector):
                 QApplication.processEvents()
+                logger.info(f"Waiting for {connector} to be registered...")
+                time.sleep(0.1)
 
         widget_class = getattr(connector, "rpc_widget_class", None)
         if not widget_class:

bec_widgets/utils/serialization.py

@@ -1,44 +1,25 @@
+from bec_lib.codecs import BECCodec
 from bec_lib.serialization import msgpack
 from qtpy.QtCore import QPointF
 
 
+class QPointFEncoder(BECCodec):
+    obj_type = QPointF
+
+    @staticmethod
+    def encode(obj: QPointF) -> list[float]:
+        """Encode a QPointF object to a list of floats."""
+        return [obj.x(), obj.y()]
+
+    @staticmethod
+    def decode(type_name: str, data: list[float]) -> list[float]:
+        """No-op function since QPointF is encoded as a list of floats."""
+        return data
+
+
 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
+    if not msgpack.is_registered(QPointF):
+        msgpack.register(QPointF, QPointFEncoder.encode, QPointFEncoder.decode)

bec_widgets/widgets/containers/main_window/addons/web_links.py

@@ -12,4 +12,4 @@ class BECWebLinksMixin:
 
     @staticmethod
     def open_bec_bug_report():
-        webbrowser.open("https://gitlab.psi.ch/groups/bec/-/issues/")
+        webbrowser.open("https://github.com/bec-project/bec_widgets/issues")

bec_widgets/widgets/containers/main_window/main_window.py

@@ -3,7 +3,7 @@ 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 QEvent, QSize, Qt, QTimer
 from qtpy.QtGui import QAction, QActionGroup, QIcon
 from qtpy.QtWidgets import (
     QApplication,
@@ -42,7 +42,7 @@ class BECMainWindow(BECWidget, QMainWindow):
     RPC = True
     PLUGIN = True
     SCAN_PROGRESS_WIDTH = 100  # px
-    STATUS_BAR_WIDGETS_EXPIRE_TIME = 60_000  # milliseconds
+    SCAN_PROGRESS_HEIGHT = 12  # px
 
     def __init__(
         self,
@@ -201,8 +201,8 @@ class BECMainWindow(BECWidget, QMainWindow):
         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_simple.progressbar.setFixedHeight(self.SCAN_PROGRESS_HEIGHT)
+        self._scan_progress_bar_simple.progressbar.setFixedWidth(self.SCAN_PROGRESS_WIDTH)
         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
@@ -219,62 +219,8 @@ class BECMainWindow(BECWidget, QMainWindow):
         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.
@@ -474,8 +420,6 @@ class BECMainWindow(BECWidget, QMainWindow):
         # 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

bec_widgets/widgets/control/device_control/positioner_box/_base/positioner_box_base.py

@@ -88,7 +88,7 @@ class PositionerBoxBase(BECWidget, CompactPopupWidget):
         if not self._check_device_is_valid(device):
             return
 
-        data = self.dev[device].read()
+        data = self.dev[device].read(cached=True)
         self._on_device_readback(
             device,
             self._device_ui_components(device),

bec_widgets/widgets/control/device_control/positioner_box/positioner_box_2d/positioner_box_2d.py

@@ -34,7 +34,15 @@ class PositionerBox2D(PositionerBoxBase):
 
     PLUGIN = True
     RPC = True
-    USER_ACCESS = ["set_positioner_hor", "set_positioner_ver", "screenshot"]
+    USER_ACCESS = [
+        "set_positioner_hor",
+        "set_positioner_ver",
+        "screenshot",
+        "enable_controls_hor",
+        "enable_controls_hor.setter",
+        "enable_controls_ver",
+        "enable_controls_ver.setter",
+    ]
 
     device_changed_hor = Signal(str, str)
     device_changed_ver = Signal(str, str)
@@ -63,6 +71,8 @@ class PositionerBox2D(PositionerBoxBase):
         self._limits_hor = None
         self._limits_ver = None
         self._dialog = None
+        self._enable_controls_hor = True
+        self._enable_controls_ver = True
         if self.current_path == "":
             self.current_path = os.path.dirname(__file__)
         self.init_ui()
@@ -281,6 +291,7 @@ class PositionerBox2D(PositionerBoxBase):
             self.on_device_readback_hor,
             self._device_ui_components_hv("horizontal"),
         )
+        self._apply_controls_enabled("horizontal")
 
     @SafeSlot(str, str)
     def on_device_change_ver(self, old_device: str, new_device: str):
@@ -300,6 +311,7 @@ class PositionerBox2D(PositionerBoxBase):
             self.on_device_readback_ver,
             self._device_ui_components_hv("vertical"),
         )
+        self._apply_controls_enabled("vertical")
 
     def _device_ui_components_hv(self, device: DeviceId) -> DeviceUpdateUIComponents:
         if device == "horizontal":
@@ -337,6 +349,25 @@ class PositionerBox2D(PositionerBoxBase):
         if device == self.device_ver:
             return self._device_ui_components_hv("vertical")
 
+    def _apply_controls_enabled(self, axis: DeviceId):
+        state = self._enable_controls_hor if axis == "horizontal" else self._enable_controls_ver
+        if axis == "horizontal":
+            widgets = [
+                self.ui.tweak_increase_hor,
+                self.ui.tweak_decrease_hor,
+                self.ui.step_increase_hor,
+                self.ui.step_decrease_hor,
+            ]
+        else:
+            widgets = [
+                self.ui.tweak_increase_ver,
+                self.ui.tweak_decrease_ver,
+                self.ui.step_increase_ver,
+                self.ui.step_decrease_ver,
+            ]
+        for w in widgets:
+            w.setEnabled(state)
+
     @SafeSlot(dict, dict)
     def on_device_readback_hor(self, msg_content: dict, metadata: dict):
         """Callback for device readback.
@@ -417,6 +448,26 @@ class PositionerBox2D(PositionerBoxBase):
         """Step size for tweak"""
         self.ui.step_size_ver.setValue(val)
 
+    @SafeProperty(bool)
+    def enable_controls_hor(self) -> bool:
+        """Persisted switch for horizontal control buttons (tweak/step)."""
+        return self._enable_controls_hor
+
+    @enable_controls_hor.setter
+    def enable_controls_hor(self, value: bool):
+        self._enable_controls_hor = value
+        self._apply_controls_enabled("horizontal")
+
+    @SafeProperty(bool)
+    def enable_controls_ver(self) -> bool:
+        """Persisted switch for vertical control buttons (tweak/step)."""
+        return self._enable_controls_ver
+
+    @enable_controls_ver.setter
+    def enable_controls_ver(self, value: bool):
+        self._enable_controls_ver = value
+        self._apply_controls_enabled("vertical")
+
     @SafeSlot()
     def on_tweak_inc_hor(self):
         """Tweak device a up"""

bec_widgets/widgets/editors/scan_metadata/scan_metadata.py

@@ -85,7 +85,6 @@ class ScanMetadata(PydanticModelForm):
     def set_schema_from_scan(self, scan_name: str | None):
         self._scan_name = scan_name or ""
         self.set_schema(get_metadata_schema_for_scan(self._scan_name))
-        self.populate()
 
 
 if __name__ == "__main__":  # pragma: no cover

bec_widgets/widgets/plots/heatmap/heatmap.py

@@ -26,6 +26,7 @@ from bec_widgets.utils.toolbars.actions import MaterialIconAction
 from bec_widgets.widgets.plots.heatmap.settings.heatmap_setting import HeatmapSettings
 from bec_widgets.widgets.plots.image.image_base import ImageBase
 from bec_widgets.widgets.plots.image.image_item import ImageItem
+from bec_widgets.widgets.plots.plot_base import PlotBase
 
 logger = bec_logger.logger
 
@@ -83,39 +84,7 @@ class Heatmap(ImageBase):
     """
 
     USER_ACCESS = [
-        # General PlotBase Settings
-        "enable_toolbar",
-        "enable_toolbar.setter",
-        "enable_side_panel",
-        "enable_side_panel.setter",
-        "enable_fps_monitor",
-        "enable_fps_monitor.setter",
-        "set",
-        "title",
-        "title.setter",
-        "x_label",
-        "x_label.setter",
-        "y_label",
-        "y_label.setter",
-        "x_limits",
-        "x_limits.setter",
-        "y_limits",
-        "y_limits.setter",
-        "x_grid",
-        "x_grid.setter",
-        "y_grid",
-        "y_grid.setter",
-        "inner_axes",
-        "inner_axes.setter",
-        "outer_axes",
-        "outer_axes.setter",
-        "auto_range_x",
-        "auto_range_x.setter",
-        "auto_range_y",
-        "auto_range_y.setter",
-        "minimal_crosshair_precision",
-        "minimal_crosshair_precision.setter",
-        "screenshot",
+        *PlotBase.USER_ACCESS,
         # ImageView Specific Settings
         "color_map",
         "color_map.setter",
@@ -125,8 +94,6 @@ class Heatmap(ImageBase):
         "v_min.setter",
         "v_max",
         "v_max.setter",
-        "lock_aspect_ratio",
-        "lock_aspect_ratio.setter",
         "autorange",
         "autorange.setter",
         "autorange_mode",

bec_widgets/widgets/plots/image/image.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from collections import defaultdict
-from typing import Literal
+from typing import Literal, Sequence
 
 import numpy as np
 from bec_lib import bec_logger
@@ -22,6 +22,7 @@ from bec_widgets.widgets.control.device_input.base_classes.device_input_base imp
 from bec_widgets.widgets.control.device_input.device_combobox.device_combobox import DeviceComboBox
 from bec_widgets.widgets.plots.image.image_base import ImageBase
 from bec_widgets.widgets.plots.image.image_item import ImageItem
+from bec_widgets.widgets.plots.plot_base import PlotBase
 
 logger = bec_logger.logger
 
@@ -59,39 +60,7 @@ class Image(ImageBase):
     RPC = True
     ICON_NAME = "image"
     USER_ACCESS = [
-        # General PlotBase Settings
-        "enable_toolbar",
-        "enable_toolbar.setter",
-        "enable_side_panel",
-        "enable_side_panel.setter",
-        "enable_fps_monitor",
-        "enable_fps_monitor.setter",
-        "set",
-        "title",
-        "title.setter",
-        "x_label",
-        "x_label.setter",
-        "y_label",
-        "y_label.setter",
-        "x_limits",
-        "x_limits.setter",
-        "y_limits",
-        "y_limits.setter",
-        "x_grid",
-        "x_grid.setter",
-        "y_grid",
-        "y_grid.setter",
-        "inner_axes",
-        "inner_axes.setter",
-        "outer_axes",
-        "outer_axes.setter",
-        "auto_range_x",
-        "auto_range_x.setter",
-        "auto_range_y",
-        "auto_range_y.setter",
-        "minimal_crosshair_precision",
-        "minimal_crosshair_precision.setter",
-        "screenshot",
+        *PlotBase.USER_ACCESS,
         # ImageView Specific Settings
         "color_map",
         "color_map.setter",
@@ -101,8 +70,6 @@ class Image(ImageBase):
         "v_min.setter",
         "v_max",
         "v_max.setter",
-        "lock_aspect_ratio",
-        "lock_aspect_ratio.setter",
         "autorange",
         "autorange.setter",
         "autorange_mode",
@@ -307,7 +274,7 @@ class Image(ImageBase):
         Set the image source and update the image.
 
         Args:
-            monitor(str): The name of the monitor to use for the image.
+            monitor(str|tuple|None): The name of the monitor to use for the image, or a tuple of (device, signal) for preview signals. If None or empty string, the current monitor will be disconnected.
             monitor_type(str): The type of monitor to use. Options are "1d", "2d", or "auto".
             color_map(str): The color map to use for the image.
             color_bar(str): The type of color bar to use. Options are "simple" or "full".
@@ -322,10 +289,13 @@ class Image(ImageBase):
         if monitor is None or monitor == "":
             logger.warning(f"No monitor specified, cannot set image, old monitor is unsubscribed")
             return None
-        if isinstance(monitor, tuple):
+
+        if isinstance(monitor, str):
+            self.entry_validator.validate_monitor(monitor)
+        elif isinstance(monitor, Sequence):
             self.entry_validator.validate_monitor(monitor[0])
         else:
-            self.entry_validator.validate_monitor(monitor)
+            raise ValueError(f"Invalid monitor type: {type(monitor)}")
 
         self.set_image_update(monitor=monitor, type=monitor_type)
         if color_map is not None:
@@ -347,7 +317,7 @@ class Image(ImageBase):
         if config.monitor is not None:
             for combo in (self.device_combo_box, self.dim_combo_box):
                 combo.blockSignals(True)
-            if isinstance(config.monitor, tuple):
+            if isinstance(config.monitor, (list, tuple)):
                 self.device_combo_box.setCurrentText(f"{config.monitor[0]}_{config.monitor[1]}")
             else:
                 self.device_combo_box.setCurrentText(config.monitor)
@@ -452,7 +422,7 @@ class Image(ImageBase):
         """
 
         # TODO consider moving connecting and disconnecting logic to Image itself if multiple images
-        if isinstance(monitor, tuple):
+        if isinstance(monitor, (list, tuple)):
             device = self.dev[monitor[0]]
             signal = monitor[1]
             if len(monitor) == 3:
@@ -520,7 +490,7 @@ class Image(ImageBase):
         Args:
             monitor(str|tuple): The name of the monitor to disconnect, or a tuple of (device, signal) for preview signals.
         """
-        if isinstance(monitor, tuple):
+        if isinstance(monitor, (list, tuple)):
             if self.subscriptions["main"].source == "device_monitor_1d":
                 self.bec_dispatcher.disconnect_slot(
                     self.on_image_update_1d, MessageEndpoints.device_preview(monitor[0], monitor[1])

bec_widgets/widgets/plots/image/setting_widgets/image_roi_tree.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import math
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Literal
 
 from bec_lib import bec_logger
 from bec_qthemes import material_icon
@@ -73,11 +73,16 @@ class ROIPropertyTree(BECWidget, QWidget):
     - Children: type, line-width (spin box), coordinates (auto-updating).
 
     Args:
+        parent (QWidget, optional): Parent widget. Defaults to None.
         image_widget (Image): The main Image widget that displays the ImageItem.
             Provides ``plot_item`` and owns an ROIController already.
         controller (ROIController, optional): Optionally pass an external controller.
             If None, the manager uses ``image_widget.roi_controller``.
-        parent (QWidget, optional): Parent widget. Defaults to None.
+        compact (bool, optional): If True, use a compact mode with no tree view,
+            only a toolbar with draw actions. Defaults to False.
+        compact_orientation (str, optional): Orientation of the toolbar in compact mode.
+            Either "vertical" or "horizontal". Defaults to "vertical".
+        compact_color (str, optional): Color of the single active ROI in compact mode.
     """
 
     PLUGIN = False
@@ -92,11 +97,18 @@ class ROIPropertyTree(BECWidget, QWidget):
         parent: QWidget = None,
         image_widget: Image,
         controller: ROIController | None = None,
+        compact: bool = False,
+        compact_orientation: Literal["vertical", "horizontal"] = "vertical",
+        compact_color: str = "#f0f0f0",
     ):
 
         super().__init__(
             parent=parent, config=ConnectionConfig(widget_class=self.__class__.__name__)
         )
+        self.compact = compact
+        self.compact_orient = compact_orientation
+        self.compact_color = compact_color
+        self.single_active_roi: BaseROI | None = None
 
         if controller is None:
             # Use the controller already belonging to the Image widget
@@ -112,22 +124,29 @@ class ROIPropertyTree(BECWidget, QWidget):
 
         self.layout = QVBoxLayout(self)
         self._init_toolbar()
-        self._init_tree()
+        if not self.compact:
+            self._init_tree()
+        else:
+            self.tree = None
 
         # connect controller
         self.controller.roiAdded.connect(self._on_roi_added)
         self.controller.roiRemoved.connect(self._on_roi_removed)
-        self.controller.cleared.connect(self.tree.clear)
+        if not self.compact:
+            self.controller.cleared.connect(self.tree.clear)
 
         # initial load
         for r in self.controller.rois:
             self._on_roi_added(r)
 
-        self.tree.collapseAll()
+        if not self.compact:
+            self.tree.collapseAll()
 
     # --------------------------------------------------------------------- UI
     def _init_toolbar(self):
-        tb = self.toolbar = ModularToolBar(self, orientation="horizontal")
+        tb = self.toolbar = ModularToolBar(
+            self, orientation=self.compact_orient if self.compact else "horizontal"
+        )
         self._draw_actions: dict[str, MaterialIconAction] = {}
         # --- ROI draw actions (toggleable) ---
 
@@ -157,6 +176,29 @@ class ROIPropertyTree(BECWidget, QWidget):
         for mode, act in self._draw_actions.items():
             act.action.toggled.connect(lambda on, m=mode: self._on_draw_action_toggled(m, on))
 
+        if self.compact:
+            tb.components.add_safe(
+                "compact_delete",
+                MaterialIconAction("delete", "Delete Current Roi", checkable=False, parent=self),
+            )
+            bundle.add_action("compact_delete")
+            tb.components.get_action("compact_delete").action.triggered.connect(
+                lambda _: (
+                    self.controller.remove_roi(self.single_active_roi)
+                    if self.single_active_roi is not None
+                    else None
+                )
+            )
+            tb.show_bundles(["roi_draw"])
+            self.layout.addWidget(tb)
+
+            # ROI drawing state (needed even in compact mode)
+            self._roi_draw_mode = None
+            self._roi_start_pos = None
+            self._temp_roi = None
+            self.plot.scene().installEventFilter(self)
+            return
+
         # Expand/Collapse toggle
         self.expand_toggle = MaterialIconAction(
             "unfold_more", "Expand/Collapse", checkable=True, parent=self  # icon when collapsed
@@ -327,13 +369,21 @@ class ROIPropertyTree(BECWidget, QWidget):
             self._set_roi_draw_mode(None)
             # register via controller
             self.controller.add_roi(final_roi)
+            if self.compact:
+                final_roi.line_color = self.compact_color
             return True
         return super().eventFilter(obj, event)
 
     # --------------------------------------------------------- controller slots
     def _on_roi_added(self, roi: BaseROI):
+        if self.compact:
+            roi.line_color = self.compact_color
+            if self.single_active_roi is not None and self.single_active_roi is not roi:
+                self.controller.remove_roi(self.single_active_roi)
+            self.single_active_roi = roi
+            return
         # check the global setting from the toolbar
-        if self.lock_all_action.action.isChecked():
+        if hasattr(self, "lock_all_action") and self.lock_all_action.action.isChecked():
             roi.movable = False
         # parent row with blank action column, name in ROI column
         parent = QTreeWidgetItem(self.tree, ["", "", ""])
@@ -424,6 +474,10 @@ class ROIPropertyTree(BECWidget, QWidget):
         roi.movable = not roi.movable
 
     def _on_roi_removed(self, roi: BaseROI):
+        if self.compact:
+            if self.single_active_roi is roi:
+                self.single_active_roi = None
+            return
         item = self.roi_items.pop(roi, None)
         if item:
             idx = self.tree.indexOfTopLevelItem(item)
@@ -449,8 +503,9 @@ class ROIPropertyTree(BECWidget, QWidget):
         self.controller.remove_roi(roi)
 
     def cleanup(self):
-        self.cmap.close()
-        self.cmap.deleteLater()
+        if hasattr(self, "cmap"):
+            self.cmap.close()
+            self.cmap.deleteLater()
         if self.controller and hasattr(self.controller, "rois"):
             for roi in self.controller.rois:  # disconnect all signals from ROIs
                 try:
@@ -491,8 +546,8 @@ if __name__ == "__main__":  # pragma: no cover
     # Add the image widget on the left
     ml.addWidget(image_widget)
 
-    # ROI manager linked to that image
-    mgr = ROIPropertyTree(parent=image_widget, image_widget=image_widget)
+    # ROI manager linked to that image with compact mode
+    mgr = ROIPropertyTree(parent=image_widget, image_widget=image_widget, compact=True)
     mgr.setFixedWidth(350)
     ml.addWidget(mgr)
 

bec_widgets/widgets/plots/motor_map/motor_map.py

@@ -90,45 +90,7 @@ class MotorMap(PlotBase):
     RPC = True
     ICON_NAME = "my_location"
     USER_ACCESS = [
-        # General PlotBase Settings
-        "enable_toolbar",
-        "enable_toolbar.setter",
-        "enable_side_panel",
-        "enable_side_panel.setter",
-        "enable_fps_monitor",
-        "enable_fps_monitor.setter",
-        "set",
-        "title",
-        "title.setter",
-        "x_label",
-        "x_label.setter",
-        "y_label",
-        "y_label.setter",
-        "x_limits",
-        "x_limits.setter",
-        "y_limits",
-        "y_limits.setter",
-        "x_grid",
-        "x_grid.setter",
-        "y_grid",
-        "y_grid.setter",
-        "inner_axes",
-        "inner_axes.setter",
-        "outer_axes",
-        "outer_axes.setter",
-        "lock_aspect_ratio",
-        "lock_aspect_ratio.setter",
-        "auto_range_x",
-        "auto_range_x.setter",
-        "auto_range_y",
-        "auto_range_y.setter",
-        "x_log",
-        "x_log.setter",
-        "y_log",
-        "y_log.setter",
-        "legend_label_size",
-        "legend_label_size.setter",
-        "screenshot",
+        *PlotBase.USER_ACCESS,
         # motor_map specific
         "color",
         "color.setter",
@@ -765,7 +727,7 @@ class MotorMap(PlotBase):
             float: Motor initial position.
         """
         entry = self.entry_validator.validate_signal(name, None)
-        init_position = round(float(self.dev[name].read()[entry]["value"]), precision)
+        init_position = round(float(self.dev[name].read(cached=True)[entry]["value"]), precision)
         return init_position
 
     def _sync_motor_map_selection_toolbar(self):

bec_widgets/widgets/plots/multi_waveform/multi_waveform.py

@@ -56,47 +56,7 @@ class MultiWaveform(PlotBase):
     RPC = True
     ICON_NAME = "ssid_chart"
     USER_ACCESS = [
-        # General PlotBase Settings
-        "enable_toolbar",
-        "enable_toolbar.setter",
-        "enable_side_panel",
-        "enable_side_panel.setter",
-        "enable_fps_monitor",
-        "enable_fps_monitor.setter",
-        "set",
-        "title",
-        "title.setter",
-        "x_label",
-        "x_label.setter",
-        "y_label",
-        "y_label.setter",
-        "x_limits",
-        "x_limits.setter",
-        "y_limits",
-        "y_limits.setter",
-        "x_grid",
-        "x_grid.setter",
-        "y_grid",
-        "y_grid.setter",
-        "inner_axes",
-        "inner_axes.setter",
-        "outer_axes",
-        "outer_axes.setter",
-        "lock_aspect_ratio",
-        "lock_aspect_ratio.setter",
-        "auto_range_x",
-        "auto_range_x.setter",
-        "auto_range_y",
-        "auto_range_y.setter",
-        "x_log",
-        "x_log.setter",
-        "y_log",
-        "y_log.setter",
-        "legend_label_size",
-        "legend_label_size.setter",
-        "minimal_crosshair_precision",
-        "minimal_crosshair_precision.setter",
-        "screenshot",
+        *PlotBase.USER_ACCESS,
         # MultiWaveform Specific RPC Access
         "highlighted_index",
         "highlighted_index.setter",

bec_widgets/widgets/plots/plot_base.py

@@ -63,6 +63,50 @@ class UIMode(Enum):
 class PlotBase(BECWidget, QWidget):
     PLUGIN = False
     RPC = False
+    BASE_USER_ACCESS = [
+        "enable_toolbar",
+        "enable_toolbar.setter",
+        "enable_side_panel",
+        "enable_side_panel.setter",
+        "enable_fps_monitor",
+        "enable_fps_monitor.setter",
+        "set",
+        "title",
+        "title.setter",
+        "x_label",
+        "x_label.setter",
+        "y_label",
+        "y_label.setter",
+        "x_limits",
+        "x_limits.setter",
+        "y_limits",
+        "y_limits.setter",
+        "x_grid",
+        "x_grid.setter",
+        "y_grid",
+        "y_grid.setter",
+        "inner_axes",
+        "inner_axes.setter",
+        "outer_axes",
+        "outer_axes.setter",
+        "lock_aspect_ratio",
+        "lock_aspect_ratio.setter",
+        "auto_range",
+        "auto_range_x",
+        "auto_range_x.setter",
+        "auto_range_y",
+        "auto_range_y.setter",
+        "x_log",
+        "x_log.setter",
+        "y_log",
+        "y_log.setter",
+        "legend_label_size",
+        "legend_label_size.setter",
+        "minimal_crosshair_precision",
+        "minimal_crosshair_precision.setter",
+        "screenshot",
+    ]
+    USER_ACCESS = [*BECWidget.USER_ACCESS, *BASE_USER_ACCESS]
 
     # Custom Signals
     property_changed = Signal(str, object)
@@ -831,6 +875,40 @@ class PlotBase(BECWidget, QWidget):
         self._apply_y_label()
         self.property_changed.emit("inner_axes", value)
 
+    @SafeProperty(bool, doc="Invert X axis.")
+    def invert_x(self) -> bool:
+        """
+        Invert X axis.
+        """
+        return self.plot_item.vb.state.get("xInverted", False)
+
+    @invert_x.setter
+    def invert_x(self, value: bool):
+        """
+        Invert X axis.
+
+        Args:
+            value(bool): The value to set.
+        """
+        self.plot_item.vb.invertX(value)
+
+    @SafeProperty(bool, doc="Invert Y axis.")
+    def invert_y(self) -> bool:
+        """
+        Invert Y axis.
+        """
+        return self.plot_item.vb.state.get("yInverted", False)
+
+    @invert_y.setter
+    def invert_y(self, value: bool):
+        """
+        Invert Y axis.
+
+        Args:
+            value(bool): The value to set.
+        """
+        self.plot_item.vb.invertY(value)
+
     @SafeProperty(bool, doc="Lock aspect ratio of the plot widget.")
     def lock_aspect_ratio(self) -> bool:
         """

bec_widgets/widgets/plots/roi/image_roi.py

@@ -174,6 +174,8 @@ class BaseROI(BECConnector):
         self.remove_scale_handles()  # remove any existing handles from pyqtgraph.RectROI
         if movable:
             self.add_scale_handle()  # add custom scale handles
+        if hasattr(self, "sigRemoveRequested"):
+            self.sigRemoveRequested.connect(self.remove)
 
     def set_parent(self, parent: Image):
         """
@@ -556,8 +558,8 @@ class RectangularROI(BaseROI, pg.RectROI):
 
     def get_coordinates(self, typed: bool | None = None) -> dict | tuple:
         """
-        Returns the coordinates of a rectangle's corners. Supports returning them
-        as either a dictionary with descriptive keys or a tuple of coordinates.
+        Returns the coordinates of a rectangle's corners, rectangle center and dimensions.
+        Supports returning them as either a dictionary with descriptive keys or a tuple of coordinates.
 
         Args:
             typed (bool | None): If True, returns coordinates as a dictionary with
@@ -565,13 +567,17 @@ class RectangularROI(BaseROI, pg.RectROI):
                 the value of `self.description`.
 
         Returns:
-            dict | tuple: The rectangle's corner coordinates, where the format
+            dict | tuple: The rectangle's corner coordinates, rectangle center and dimensions, where the format
                 depends on the `typed` parameter.
         """
         if typed is None:
             typed = self.description
 
         x_left, y_bottom, x_right, y_top = self._normalized_edges()
+        width = x_right - x_left
+        height = y_top - y_bottom
+        cx = x_left + width / 2
+        cy = y_bottom + height / 2
 
         if typed:
             return {
@@ -579,8 +585,19 @@ class RectangularROI(BaseROI, pg.RectROI):
                 "bottom_right": (x_right, y_bottom),
                 "top_left": (x_left, y_top),
                 "top_right": (x_right, y_top),
+                "center_x": cx,
+                "center_y": cy,
+                "width": width,
+                "height": height,
             }
-        return (x_left, y_bottom), (x_right, y_bottom), (x_left, y_top), (x_right, y_top)
+        return (
+            (x_left, y_bottom),
+            (x_right, y_bottom),
+            (x_left, y_top),
+            (x_right, y_top),
+            (cx, cy),
+            (width, height),
+        )
 
     def _lookup_scene_image(self):
         """

bec_widgets/widgets/plots/scatter_waveform/scatter_waveform.py

@@ -44,47 +44,7 @@ class ScatterWaveform(PlotBase):
     RPC = True
     ICON_NAME = "scatter_plot"
     USER_ACCESS = [
-        # General PlotBase Settings
-        "enable_toolbar",
-        "enable_toolbar.setter",
-        "enable_side_panel",
-        "enable_side_panel.setter",
-        "enable_fps_monitor",
-        "enable_fps_monitor.setter",
-        "set",
-        "title",
-        "title.setter",
-        "x_label",
-        "x_label.setter",
-        "y_label",
-        "y_label.setter",
-        "x_limits",
-        "x_limits.setter",
-        "y_limits",
-        "y_limits.setter",
-        "x_grid",
-        "x_grid.setter",
-        "y_grid",
-        "y_grid.setter",
-        "inner_axes",
-        "inner_axes.setter",
-        "outer_axes",
-        "outer_axes.setter",
-        "lock_aspect_ratio",
-        "lock_aspect_ratio.setter",
-        "auto_range_x",
-        "auto_range_x.setter",
-        "auto_range_y",
-        "auto_range_y.setter",
-        "x_log",
-        "x_log.setter",
-        "y_log",
-        "y_log.setter",
-        "legend_label_size",
-        "legend_label_size.setter",
-        "minimal_crosshair_precision",
-        "minimal_crosshair_precision.setter",
-        "screenshot",
+        *PlotBase.USER_ACCESS,
         # Scatter Waveform Specific RPC Access
         "main_curve",
         "color_map",

bec_widgets/widgets/plots/waveform/curve.py

@@ -42,10 +42,15 @@ class CurveConfig(ConnectionConfig):
     pen_style: Literal["solid", "dash", "dot", "dashdot"] | None = Field(
         "solid", description="The style of the pen of the curve."
     )
-    source: Literal["device", "dap", "custom"] = Field(
+    source: Literal["device", "dap", "custom", "history"] = Field(
         "custom", description="The source of the curve."
     )
     signal: DeviceSignal | None = Field(None, description="The signal of the curve.")
+    scan_id: str | None = Field(None, description="Scan ID to be used when `source` is 'history'.")
+    scan_number: int | None = Field(
+        None, description="Scan index to be used when `source` is 'history'."
+    )
+    current_x_mode: str | None = Field(None, description="The current x mode of the history curve.")
     parent_label: str | None = Field(
         None, description="The label of the parent plot, only relevant for dap curves."
     )
@@ -199,8 +204,9 @@ class Curve(BECConnector, pg.PlotDataItem):
         Raises:
             ValueError: If the source is not custom.
         """
-        if self.config.source == "custom":
+        if self.config.source in ["custom", "history"]:
             self.setData(x, y)
+            self.parent_item.request_dap_update.emit()
         else:
             raise ValueError(f"Source {self.config.source} do not allow custom data setting.")
 

bec_widgets/widgets/plots/waveform/settings/curve_settings/curve_tree.py

@@ -5,7 +5,34 @@ from typing import TYPE_CHECKING
 
 from bec_lib.logger import bec_logger
 from bec_qthemes._icon.material_icons import material_icon
-from qtpy.QtCore import Qt
+from qtpy.QtGui import QValidator
+
+
+class ScanIndexValidator(QValidator):
+    """Validator to allow only 'live' or integer scan numbers from an allowed set."""
+
+    def __init__(self, allowed_scans: set[int] | None = None, parent=None):
+        super().__init__(parent)
+        self.allowed_scans = allowed_scans or set()
+
+    def validate(self, input_str: str, pos: int):
+        # Accept empty or 'live'
+        if input_str == "" or input_str == "live":
+            return QValidator.State.Acceptable, input_str, pos
+        # Allow partial editing of "live"
+        if "live".startswith(input_str):
+            return QValidator.State.Intermediate, input_str, pos
+        # Accept integer only if present in the allowed set
+        if input_str.isdigit():
+            try:
+                num = int(input_str)
+            except ValueError:
+                return QValidator.State.Invalid, input_str, pos
+            if num in self.allowed_scans:
+                return QValidator.State.Acceptable, input_str, pos
+        return QValidator.State.Invalid, input_str, pos
+
+
 from qtpy.QtWidgets import (
     QComboBox,
     QHBoxLayout,
@@ -91,8 +118,60 @@ class CurveRow(QTreeWidgetItem):
         # Create columns 1..2, depending on source
         self._init_source_ui()
         # Create columns 3..6 (color, style, width, symbol)
+        self._init_scan_index_ui()
         self._init_style_controls()
 
+    def _init_scan_index_ui(self):
+        """Create the Scan # editable combobox in column 3."""
+        if self.source not in ("device", "history"):
+            return
+        self.scan_index_combo = QComboBox()
+        self.scan_index_combo.setEditable(True)
+        # Populate 'live' and all available history scan indices
+        self.scan_index_combo.addItem("live", None)
+
+        scan_number_list = []
+        scan_id_list = []
+        try:
+            history = getattr(self.curve_tree.client, "history", None)
+            if history is not None:
+                scan_number_list = getattr(history, "_scan_numbers", []) or []
+                scan_id_list = getattr(history, "_scan_ids", []) or []
+        except Exception as e:
+            logger.error(f"Cannot fetch scan numbers from BEC client: {e}")
+            # If scan numbers cannot be fetched, only provide 'live' option
+            scan_number_list = []
+            scan_id_list = []
+
+        # Restrict input to 'live' or valid scan numbers
+        allowed = set()
+        try:
+            allowed = set(int(n) for n in scan_number_list if isinstance(n, (int, str)))
+        except Exception:
+            allowed = set()
+        validator = ScanIndexValidator(allowed, self.scan_index_combo)
+        self.scan_index_combo.lineEdit().setValidator(validator)
+
+        # Add items: show scan numbers, store scan IDs as item data
+        if scan_number_list and scan_id_list and len(scan_number_list) == len(scan_id_list):
+            for num, sid in zip(scan_number_list, scan_id_list):
+                self.scan_index_combo.addItem(str(num), sid)
+        else:
+            logger.error("Scan number and ID lists are mismatched or empty.")
+
+        # Select current based on existing config
+        selected = False
+        if getattr(self.config, "scan_id", None):  # scan_id matching only
+            for i in range(self.scan_index_combo.count()):
+                if self.scan_index_combo.itemData(i) == self.config.scan_id:
+                    self.scan_index_combo.setCurrentIndex(i)
+                    selected = True
+                    break
+        if not selected:
+            self.scan_index_combo.setCurrentText("live")
+
+        self.tree.setItemWidget(self, 3, self.scan_index_combo)
+
     def _init_actions(self):
         """Create the actions widget in column 0, including a delete button and maybe 'Add DAP'."""
         self.actions_widget = QWidget()
@@ -114,7 +193,7 @@ class CurveRow(QTreeWidgetItem):
         actions_layout.addWidget(self.delete_button)
 
         # If device row, add "Add DAP" button
-        if self.source == "device":
+        if self.source in ("device", "history"):
             self.add_dap_button = QPushButton("DAP")
             self.add_dap_button.clicked.connect(lambda: self.add_dap_row())
             actions_layout.addWidget(self.add_dap_button)
@@ -123,7 +202,7 @@ class CurveRow(QTreeWidgetItem):
 
     def _init_source_ui(self):
         """Create columns 1 and 2. For device rows, we have device/entry edits; for dap rows, label/model combo."""
-        if self.source == "device":
+        if self.source in ("device", "history"):
             # Device row: columns 1..2 are device line edits
             self.device_edit = DeviceComboBox(parent=self.tree)
             self.device_edit.insertItem(0, "")
@@ -152,7 +231,6 @@ class CurveRow(QTreeWidgetItem):
 
             self.tree.setItemWidget(self, 1, self.device_edit)
             self.tree.setItemWidget(self, 2, self.entry_edit)
-
         else:
             # DAP row: column1= "Model" label, column2= DapComboBox
             self.label_widget = QLabel("Model")
@@ -171,31 +249,31 @@ class CurveRow(QTreeWidgetItem):
             self.tree.setItemWidget(self, 2, self.dap_combo)
 
     def _init_style_controls(self):
-        """Create columns 3..6: color button, style combo, width spin, symbol spin."""
-        # Color in col 3
+        """Create columns 4..7: color button, style combo, width spin, symbol spin."""
+        # Color in col 4
         self.color_button = ColorButtonNative(color=self.config.color)
         self.color_button.color_changed.connect(self._on_color_changed)
-        self.tree.setItemWidget(self, 3, self.color_button)
+        self.tree.setItemWidget(self, 4, self.color_button)
 
-        # Style in col 4
+        # Style in col 5
         self.style_combo = QComboBox()
         self.style_combo.addItems(["solid", "dash", "dot", "dashdot"])
         idx = self.style_combo.findText(self.config.pen_style)
         if idx >= 0:
             self.style_combo.setCurrentIndex(idx)
-        self.tree.setItemWidget(self, 4, self.style_combo)
+        self.tree.setItemWidget(self, 5, self.style_combo)
 
-        # Pen width in col 5
+        # Pen width in col 6
         self.width_spin = QSpinBox()
         self.width_spin.setRange(1, 20)
         self.width_spin.setValue(self.config.pen_width)
-        self.tree.setItemWidget(self, 5, self.width_spin)
+        self.tree.setItemWidget(self, 6, self.width_spin)
 
-        # Symbol size in col 6
+        # Symbol size in col 7
         self.symbol_spin = QSpinBox()
         self.symbol_spin.setRange(1, 20)
         self.symbol_spin.setValue(self.config.symbol_size)
-        self.tree.setItemWidget(self, 6, self.symbol_spin)
+        self.tree.setItemWidget(self, 7, self.symbol_spin)
 
     @SafeSlot(str, verify_sender=True)
     def _on_color_changed(self, new_color: str):
@@ -209,8 +287,8 @@ class CurveRow(QTreeWidgetItem):
         self.config.symbol_color = new_color
 
     def add_dap_row(self):
-        """Create a new DAP row as a child. Only valid if source='device'."""
-        if self.source != "device":
+        """Create a new DAP row as a child. Only valid if source is 'device' or 'history'."""
+        if self.source not in ("device", "history"):
             return
         curve_tree = self.tree.parent()
         parent_label = self.config.label
@@ -288,7 +366,7 @@ class CurveRow(QTreeWidgetItem):
         Returns:
             dict: The serialized config based on the GUI state.
         """
-        if self.source == "device":
+        if self.source in ("device", "history"):
             # Gather device name/entry
             device_name = ""
             device_entry = ""
@@ -309,8 +387,23 @@ class CurveRow(QTreeWidgetItem):
                     )
 
             self.config.signal = DeviceSignal(name=device_name, entry=device_entry)
-            self.config.source = "device"
-            self.config.label = f"{device_name}-{device_entry}"
+            scan_combo_text = self.scan_index_combo.currentText()
+            if scan_combo_text == "live" or scan_combo_text == "":
+                self.config.scan_number = None
+                self.config.scan_id = None
+                self.config.source = "device"
+                self.config.label = f"{device_name}-{device_entry}"
+            if scan_combo_text.isdigit():
+                try:
+                    scan_num = int(scan_combo_text)
+                except ValueError:
+                    scan_num = None
+                self.config.scan_number = scan_num
+                self.config.scan_id = self.scan_index_combo.currentData()
+                self.config.source = "history"
+                # Label history curves with scan number suffix
+                if scan_num is not None:
+                    self.config.label = f"{device_name}-{device_entry}-scan-{scan_num}"
         else:
             # DAP logic
             parent_conf_dict = {}
@@ -443,10 +536,12 @@ class CurveTree(BECWidget, QWidget):
         self.toolbar.show_bundles(["curve_tree"])
 
     def _init_tree(self):
-        """Initialize the QTreeWidget with 7 columns and compact widths."""
+        """Initialize the QTreeWidget with 8 columns and compact widths."""
         self.tree = QTreeWidget()
-        self.tree.setColumnCount(7)
-        self.tree.setHeaderLabels(["Actions", "Name", "Entry", "Color", "Style", "Width", "Symbol"])
+        self.tree.setColumnCount(8)
+        self.tree.setHeaderLabels(
+            ["Actions", "Name", "Entry", "Scan #", "Color", "Style", "Width", "Symbol"]
+        )
 
         header = self.tree.header()
         for idx in range(self.tree.columnCount()):
@@ -456,10 +551,10 @@ class CurveTree(BECWidget, QWidget):
                 header.setSectionResizeMode(idx, QHeaderView.Fixed)
         header.setStretchLastSection(False)
         self.tree.setColumnWidth(0, 90)
-        self.tree.setColumnWidth(3, 70)
-        self.tree.setColumnWidth(4, 80)
-        self.tree.setColumnWidth(5, 50)
+        self.tree.setColumnWidth(4, 70)
+        self.tree.setColumnWidth(5, 80)
         self.tree.setColumnWidth(6, 50)
+        self.tree.setColumnWidth(7, 50)
 
         self.layout.addWidget(self.tree)
 
@@ -583,9 +678,9 @@ class CurveTree(BECWidget, QWidget):
         self.tree.clear()
         self.all_items = []
 
-        device_curves = [c for c in self.waveform.curves if c.config.source == "device"]
+        top_curves = [c for c in self.waveform.curves if c.config.source in ("device", "history")]
         dap_curves = [c for c in self.waveform.curves if c.config.source == "dap"]
-        for dev in device_curves:
+        for dev in top_curves:
             dr = CurveRow(self.tree, parent_item=None, config=dev.config, device_manager=self.dev)
             for dap in dap_curves:
                 if dap.config.parent_label == dev.config.label:

bec_widgets/widgets/plots/waveform/waveform.py

@@ -8,6 +8,7 @@ import numpy as np
 import pyqtgraph as pg
 from bec_lib import bec_logger, messages
 from bec_lib.endpoints import MessageEndpoints
+from bec_lib.scan_data_container import ScanDataContainer
 from pydantic import Field, ValidationError, field_validator
 from qtpy.QtCore import Qt, QTimer, Signal
 from qtpy.QtWidgets import (
@@ -35,6 +36,9 @@ from bec_widgets.widgets.plots.plot_base import PlotBase
 from bec_widgets.widgets.plots.waveform.curve import Curve, CurveConfig, DeviceSignal
 from bec_widgets.widgets.plots.waveform.settings.curve_settings.curve_setting import CurveSetting
 from bec_widgets.widgets.plots.waveform.utils.roi_manager import WaveformROIManager
+from bec_widgets.widgets.services.scan_history_browser.scan_history_browser import (
+    ScanHistoryBrowser,
+)
 
 logger = bec_logger.logger
 
@@ -63,49 +67,8 @@ class Waveform(PlotBase):
     RPC = True
     ICON_NAME = "show_chart"
     USER_ACCESS = [
-        # General PlotBase Settings
+        *PlotBase.USER_ACCESS,
         "_config_dict",
-        "enable_toolbar",
-        "enable_toolbar.setter",
-        "enable_side_panel",
-        "enable_side_panel.setter",
-        "enable_fps_monitor",
-        "enable_fps_monitor.setter",
-        "set",
-        "title",
-        "title.setter",
-        "x_label",
-        "x_label.setter",
-        "y_label",
-        "y_label.setter",
-        "x_limits",
-        "x_limits.setter",
-        "y_limits",
-        "y_limits.setter",
-        "x_grid",
-        "x_grid.setter",
-        "y_grid",
-        "y_grid.setter",
-        "inner_axes",
-        "inner_axes.setter",
-        "outer_axes",
-        "outer_axes.setter",
-        "lock_aspect_ratio",
-        "lock_aspect_ratio.setter",
-        "auto_range_x",
-        "auto_range_x.setter",
-        "auto_range_y",
-        "auto_range_y.setter",
-        "auto_range",
-        "x_log",
-        "x_log.setter",
-        "y_log",
-        "y_log.setter",
-        "legend_label_size",
-        "legend_label_size.setter",
-        "minimal_crosshair_precision",
-        "minimal_crosshair_precision.setter",
-        "screenshot",
         # Waveform Specific RPC Access
         "curves",
         "x_mode",
@@ -163,6 +126,7 @@ class Waveform(PlotBase):
         # Curve data
         self._sync_curves = []
         self._async_curves = []
+        self._history_curves = []
         self._slice_index = None
         self._dap_curves = []
         self._mode = None
@@ -179,12 +143,14 @@ class Waveform(PlotBase):
             "readout_priority": None,
             "label_suffix": "",
         }
+        self._current_x_device: tuple[str, str] | None = None
 
         # Specific GUI elements
         self._init_roi_manager()
         self.dap_summary = None
         self.dap_summary_dialog = None
-        self._add_fit_parameters_popup()
+        self.scan_history_dialog = None
+        self._add_waveform_specific_popup()
         self._enable_roi_toolbar_action(False)  # default state where are no dap curves
         self._init_curve_dialog()
         self.curve_settings_dialog = None
@@ -252,7 +218,7 @@ class Waveform(PlotBase):
         super().add_side_menus()
         self._add_dap_summary_side_menu()
 
-    def _add_fit_parameters_popup(self):
+    def _add_waveform_specific_popup(self):
         """
         Add popups to the Waveform widget.
         """
@@ -262,11 +228,24 @@ class Waveform(PlotBase):
                 icon_name="monitoring", tooltip="Open Fit Parameters", checkable=True, parent=self
             ),
         )
+        self.toolbar.components.add_safe(
+            "scan_history",
+            MaterialIconAction(
+                icon_name="manage_search",
+                tooltip="Open Scan History browser",
+                checkable=True,
+                parent=self,
+            ),
+        )
         self.toolbar.get_bundle("axis_popup").add_action("fit_params")
+        self.toolbar.get_bundle("axis_popup").add_action("scan_history")
 
         self.toolbar.components.get_action("fit_params").action.triggered.connect(
             self.show_dap_summary_popup
         )
+        self.toolbar.components.get_action("scan_history").action.triggered.connect(
+            self.show_scan_history_popup
+        )
 
     @SafeSlot()
     def _reset_view(self):
@@ -414,6 +393,47 @@ class Waveform(PlotBase):
             self.toolbar.components.get_action("roi_linear").action.setChecked(False)
             self._roi_manager.toggle_roi(False)
 
+    ################################################################################
+    # Scan History browser popup
+    # TODO this is so far quick implementation just as popup, we should make scan history also standalone widget later
+    def show_scan_history_popup(self):
+        """
+        Show the scan history popup.
+        """
+        scan_history_action = self.toolbar.components.get_action("scan_history").action
+        if self.scan_history_dialog is None or not self.scan_history_dialog.isVisible():
+            self.scan_history_widget = ScanHistoryBrowser(parent=self)
+            self.scan_history_dialog = QDialog(modal=False)
+            self.scan_history_dialog.setWindowTitle(f"{self.object_name} - Scan History Browser")
+            self.scan_history_dialog.layout = QVBoxLayout(self.scan_history_dialog)
+            self.scan_history_dialog.layout.addWidget(self.scan_history_widget)
+            self.scan_history_widget.scan_history_device_viewer.request_history_plot.connect(
+                lambda scan_id, device_name, signal_name: self.plot(
+                    y_name=device_name, y_entry=signal_name, scan_id=scan_id
+                )
+            )
+            self.scan_history_dialog.finished.connect(self._scan_history_closed)
+            self.scan_history_dialog.show()
+            self.scan_history_dialog.resize(780, 320)
+            scan_history_action.setChecked(True)
+        else:
+            # If already open, bring it to the front
+            self.scan_history_dialog.raise_()
+            self.scan_history_dialog.activateWindow()
+            scan_history_action.setChecked(True)  # keep it toggle
+
+    def _scan_history_closed(self):
+        """
+        Slot for when the scan history dialog is closed.
+        """
+        if self.scan_history_dialog is None:
+            return
+        self.scan_history_widget.close()
+        self.scan_history_widget.deleteLater()
+        self.scan_history_dialog.deleteLater()
+        self.scan_history_dialog = None
+        self.toolbar.components.get_action("scan_history").action.setChecked(False)
+
     ################################################################################
     # Dap Summary
 
@@ -503,7 +523,11 @@ class Waveform(PlotBase):
         self.x_axis_mode["name"] = value
         if value not in ["timestamp", "index", "auto"]:
             self.x_axis_mode["entry"] = self.entry_validator.validate_signal(value, None)
+            self._current_x_device = (value, self.x_axis_mode["entry"])
         self._switch_x_axis_item(mode=value)
+        self._current_x_device = None
+        self._refresh_history_curves()
+        self._update_curve_visibility()
         self.async_signal_update.emit()
         self.sync_signal_update.emit()
         self.plot_item.enableAutoRange(x=True)
@@ -531,6 +555,8 @@ class Waveform(PlotBase):
             return
         self.x_axis_mode["entry"] = self.entry_validator.validate_signal(self.x_mode, value)
         self._switch_x_axis_item(mode="device")
+        self._refresh_history_curves()
+        self._update_curve_visibility()
         self.async_signal_update.emit()
         self.sync_signal_update.emit()
         self.plot_item.enableAutoRange(x=True)
@@ -671,6 +697,8 @@ class Waveform(PlotBase):
         color: str | None = None,
         label: str | None = None,
         dap: str | None = None,
+        scan_id: str | None = None,
+        scan_number: int | None = None,
         **kwargs,
     ) -> Curve:
         """
@@ -690,9 +718,13 @@ class Waveform(PlotBase):
             y_entry(str): The name of the entry for the y-axis.
             color(str): The color of the curve.
             label(str): The label of the curve.
-            dap(str): The dap model to use for the curve, only available for sync devices.
-            If not specified, none will be added.
-            Use the same string as is the name of the LMFit model.
+            dap(str): The dap model to use for the curve. When provided, a DAP curve is
+                attached automatically for device, history, or custom data sources. Use
+                the same string as the LMFit model name.
+            scan_id(str):  Optional scan ID. When provided, the curve is treated as a **history** curve and
+                the y‑data (and optional x‑data) are fetched from that historical scan. Such curves are
+                never cleared by live‑scan resets.
+            scan_number(int): Optional scan index. When provided, the curve is treated as a **history** curve and
 
         Returns:
             Curve: The curve object.
@@ -762,6 +794,8 @@ class Waveform(PlotBase):
             label=label,
             color=color,
             source=source,
+            scan_id=scan_id,
+            scan_number=scan_number,
             **kwargs,
         )
 
@@ -769,10 +803,13 @@ class Waveform(PlotBase):
         if source == "device":
             config.signal = DeviceSignal(name=y_name, entry=y_entry)
 
+        if scan_id is not None or scan_number is not None:
+            config.source = "history"
+
         # CREATE THE CURVE
         curve = self._add_curve(config=config, x_data=x_data, y_data=y_data)
 
-        if dap is not None and source == "device":
+        if dap is not None and curve.config.source in ("device", "history", "custom"):
             self.add_dap_curve(device_label=curve.name(), dap_name=dap, **kwargs)
 
         return curve
@@ -789,11 +826,12 @@ class Waveform(PlotBase):
         **kwargs,
     ) -> Curve:
         """
-        Create a new DAP curve referencing the existing device curve `device_label`,
-        with the data processing model `dap_name`.
+        Create a new DAP curve referencing the existing curve `device_label`, with the
+        data processing model `dap_name`. DAP curves can be attached to curves that
+        originate from live devices, history, or fully custom data sources.
 
         Args:
-            device_label(str): The label of the device curve to add DAP to.
+            device_label(str): The label of the source curve to add DAP to.
             dap_name(str): The name of the DAP model to use.
             color(str): The color of the curve.
             dap_oversample(int): The oversampling factor for the DAP curve.
@@ -803,20 +841,25 @@ class Waveform(PlotBase):
             Curve: The new DAP curve.
         """
 
-        # 1) Find the existing device curve by label
+        # 1) Find the existing curve by label
         device_curve = self._find_curve_by_label(device_label)
         if not device_curve:
             raise ValueError(f"No existing curve found with label '{device_label}'.")
-        if device_curve.config.source != "device":
+        if device_curve.config.source not in ("device", "history", "custom"):
             raise ValueError(
-                f"Curve '{device_label}' is not a device curve. Only device curves can have DAP."
+                f"Curve '{device_label}' is not compatible with DAP. "
+                f"Only device, history, or custom curves support fitting."
             )
 
-        dev_name = device_curve.config.signal.name
-        dev_entry = device_curve.config.signal.entry
+        dev_name = getattr(getattr(device_curve.config, "signal", None), "name", None)
+        dev_entry = getattr(getattr(device_curve.config, "signal", None), "entry", None)
+        if dev_name is None:
+            dev_name = device_label
+        if dev_entry is None:
+            dev_entry = "custom"
 
         # 2) Build a label for the new DAP curve
-        dap_label = f"{dev_name}-{dev_entry}-{dap_name}"
+        dap_label = f"{device_label}-{dap_name}"
 
         # 3) Possibly raise if the DAP curve already exists
         if self._check_curve_id(dap_label):
@@ -869,7 +912,23 @@ class Waveform(PlotBase):
             ValueError: If a duplicate curve label/config is found, or if
                         custom data is missing for `source='custom'`.
         """
+        scan_item: ScanDataContainer | None = None
+        if config.source == "history":
+            scan_item = self.get_history_scan_item(
+                scan_id=config.scan_id, scan_index=config.scan_number
+            )
+            if scan_item is None:
+                raise ValueError(
+                    f"Could not find scan item for history curve '{config.label}' with scan_id='{config.scan_id}' and scan_number='{config.scan_number}'."
+                )
+
+            config.scan_id = scan_item.metadata["bec"]["scan_id"]
+            config.scan_number = scan_item.metadata["bec"]["scan_number"]
+
         label = config.label
+        if config.source == "history":
+            label = f"{config.signal.name}-{config.signal.entry}-scan-{config.scan_number}"
+            config.label = label
         if not label:
             # Fallback label
             label = WidgetContainerUtils.generate_unique_name(
@@ -891,7 +950,7 @@ class Waveform(PlotBase):
                 raise ValueError("For 'custom' curves, x_data and y_data must be provided.")
 
         # Actually create the Curve item
-        curve = self._add_curve_object(name=label, config=config)
+        curve = self._add_curve_object(name=label, config=config, scan_item=scan_item)
 
         # If custom => set initial data
         if config.source == "custom" and x_data is not None and y_data is not None:
@@ -908,6 +967,8 @@ class Waveform(PlotBase):
             self.setup_dap_for_scan()
             self.roi_enable.emit(True)  # Enable the ROI toolbar action
             self.request_dap()  # Request DAP update directly without blocking proxy
+        if config.source == "history":
+            self._history_curves.append(curve)
 
         QTimer.singleShot(
             150, self.auto_range
@@ -915,24 +976,175 @@ class Waveform(PlotBase):
 
         return curve
 
-    def _add_curve_object(self, name: str, config: CurveConfig) -> Curve:
+    def _add_curve_object(
+        self, name: str, config: CurveConfig, scan_item: ScanDataContainer | None = None
+    ) -> Curve | None:
         """
         Low-level creation of the PlotDataItem (Curve) from a `CurveConfig`.
 
         Args:
             name (str): The name/label of the curve.
             config (CurveConfig): Configuration model describing the curve.
+            scan_item (ScanDataContainer | None): Optional scan item for history curves.
 
         Returns:
             Curve: The newly created curve object, added to the plot.
         """
         curve = Curve(config=config, name=name, parent_item=self)
         self.plot_item.addItem(curve)
+        if scan_item is not None:
+            self._fetch_history_data_for_curve(curve, scan_item)
         self._categorise_device_curves()
         curve.visibleChanged.connect(self._refresh_crosshair_markers)
         curve.visibleChanged.connect(self.auto_range)
         return curve
 
+    def _fetch_history_data_for_curve(
+        self, curve: Curve, scan_item: ScanDataContainer
+    ) -> Curve | None:
+        # Check if the data are already set
+        device = curve.config.signal.name
+        entry = curve.config.signal.entry
+
+        all_devices_used = getattr(
+            getattr(scan_item, "_msg", None), "stored_data_info", None
+        ) or getattr(scan_item, "stored_data_info", None)
+        if all_devices_used is None:
+            curve.remove()
+            raise ValueError(
+                f"No stored data info found in scan item ID:{curve.config.scan_id} for curve '{curve.name()}'. "
+                f"Upgrade BEC to the latest version."
+            )
+
+        # 1. get y data
+        x_data, y_data = None, None
+        if device not in all_devices_used:
+            raise ValueError(f"Device '{device}' not found in scan item ID:{curve.config.scan_id}.")
+        if entry not in all_devices_used[device]:
+            raise ValueError(
+                f"Entry '{entry}' not found in device '{device}' in scan item ID:{curve.config.scan_id}."
+            )
+        y_shape = all_devices_used.get(device).get(entry).shape[0]
+
+        # Determine X-axis data
+        if self.x_axis_mode["name"] == "index":
+            x_data = np.arange(y_shape)
+            curve.config.current_x_mode = "index"
+            self._update_x_label_suffix(" (index)")
+        elif self.x_axis_mode["name"] == "timestamp":
+            y_device = scan_item.devices.get(device)
+            x_data = y_device.get(entry).read().get("timestamp")
+            curve.config.current_x_mode = "timestamp"
+            self._update_x_label_suffix(" (timestamp)")
+        elif self.x_axis_mode["name"] not in ("index", "timestamp", "auto"):  # Custom device mode
+            if self.x_axis_mode["name"] not in all_devices_used:
+                logger.warning(
+                    f"Custom device '{self.x_axis_mode['name']}' not found in scan item of history curve '{curve.name()}'; scan ID: {curve.config.scan_id}."
+                )
+                curve.setVisible(False)
+                return
+            x_entry_custom = self.x_axis_mode.get("entry")
+            if x_entry_custom is None:
+                x_entry_custom = self.entry_validator.validate_signal(
+                    self.x_axis_mode["name"], None
+                )
+            if x_entry_custom not in all_devices_used[self.x_axis_mode["name"]]:
+                logger.warning(
+                    f"Custom entry '{x_entry_custom}' for device '{self.x_axis_mode['name']}' not found in scan item of history curve '{curve.name()}'; scan ID: {curve.config.scan_id}."
+                )
+                curve.setVisible(False)
+                return
+            x_shape = (
+                scan_item._msg.stored_data_info.get(self.x_axis_mode["name"])
+                .get(x_entry_custom)
+                .shape[0]
+            )
+            if x_shape != y_shape:
+                logger.warning(
+                    f"Shape mismatch for x data '{x_shape}' and y data '{y_shape}' in history curve '{curve.name()}'; scan ID: {curve.config.scan_id}."
+                )
+                curve.setVisible(False)
+                return
+            x_device = scan_item.devices.get(self.x_axis_mode["name"])
+            x_data = x_device.get(x_entry_custom).read().get("value")
+            curve.config.current_x_mode = self.x_axis_mode["name"]
+            self._update_x_label_suffix(f" (custom: {self.x_axis_mode['name']}-{x_entry_custom})")
+        elif self.x_axis_mode["name"] == "auto":
+            if (
+                self._current_x_device is None
+            ):  # Scenario where no x device is set yet, because there was no live scan done in this widget yet
+                # If no current x device, use the first motor from scan item
+                scan_motors = self._ensure_str_list(
+                    scan_item.metadata.get("bec").get("scan_report_devices")
+                )
+                if not scan_motors:  # scan was done without reported motor from whatever reason
+                    x_data = np.arange(y_shape)  # Fallback to index
+                    y_data = scan_item.devices.get(device).get(entry).read().get("value")
+                    curve.set_data(x=x_data, y=y_data)
+                    self._update_x_label_suffix(" (auto: index)")
+                    return curve
+                x_entry = self.entry_validator.validate_signal(scan_motors[0], None)
+                if x_entry not in all_devices_used.get(scan_motors[0], {}):
+                    logger.warning(
+                        f"Auto x entry '{x_entry}' for device '{scan_motors[0]}' not found in scan item of history curve '{curve.name()}'; scan ID: {curve.config.scan_id}."
+                    )
+                    curve.setVisible(False)
+                    return
+                if y_shape != all_devices_used.get(scan_motors[0]).get(x_entry, {}).shape[0]:
+                    logger.warning(
+                        f"Shape mismatch for x data '{all_devices_used.get(scan_motors[0]).get(x_entry, {}).get('shape', [0])[0]}' and y data '{y_shape}' in history curve '{curve.name()}'; scan ID: {curve.config.scan_id}."
+                    )
+                    curve.setVisible(False)
+                    return
+                x_data = scan_item.devices.get(scan_motors[0]).get(x_entry).read().get("value")
+                self._current_x_device = (scan_motors[0], x_entry)
+                self._update_x_label_suffix(f" (auto: {scan_motors[0]}-{x_entry})")
+                curve.config.current_x_mode = "auto"
+                self._update_x_label_suffix(f" (auto: {scan_motors[0]}-{x_entry})")
+            else:  # Scan in auto mode was done and live scan already set the current x device
+                if self._current_x_device[0] not in all_devices_used:
+                    logger.warning(
+                        f"Auto x data for device '{self._current_x_device[0]}' "
+                        f"and entry '{self._current_x_device[1]}'"
+                        f" not found in scan item of the history curve {curve.name()}."
+                    )
+                    curve.setVisible(False)
+                    return
+                x_device = scan_item.devices.get(self._current_x_device[0])
+                x_data = x_device.get(self._current_x_device[1]).read().get("value")
+                curve.config.current_x_mode = "auto"
+                self._update_x_label_suffix(
+                    f" (auto: {self._current_x_device[0]}-{self._current_x_device[1]})"
+                )
+        if x_data is None:
+            logger.warning(
+                f"X data for curve '{curve.name()}' could not be determined. "
+                f"Check if the x_mode '{self.x_axis_mode['name']}' is valid for the scan item."
+            )
+            curve.setVisible(False)
+            return
+        if y_data is None:
+            y_data = scan_item.devices.get(device).get(entry).read().get("value")
+            if y_data is None:
+                logger.warning(
+                    f"Y data for curve '{curve.name()}' could not be determined. "
+                    f"Check if the device '{device}' and entry '{entry}' are valid for the scan item."
+                )
+                curve.setVisible(False)
+                return
+        curve.set_data(x=x_data, y=y_data)
+        return curve
+
+    def _refresh_history_curves(self):
+        for curve in self._history_curves:
+            scan_item = self.get_history_scan_item(
+                scan_id=curve.config.scan_id, scan_index=curve.config.scan_number
+            )
+            if scan_item is not None:
+                self._fetch_history_data_for_curve(curve, scan_item)
+            else:
+                logger.warning(f"Scan item for curve {curve.name()} not found.")
+
     def _refresh_crosshair_markers(self):
         """
         Refresh the crosshair markers when a curve visibility changes.
@@ -967,7 +1179,42 @@ class Waveform(PlotBase):
         Clear all data from the plot widget, but keep the curve references.
         """
         for c in self.curves:
-            c.clear_data()
+            if c.config.source != "history":
+                c.clear_data()
+
+    # X-axis compatibility helpers
+    def _is_curve_compatible(self, curve: Curve) -> bool:
+        """
+        Return True when *curve* can be shown with the current x-axis mode.
+
+        - ‘index’, ‘timestamp’ are always compatible.
+        - For history curves we check whether the requested motor
+          (self.x_axis_mode["name"]) exists in the cached
+          history_data_buffer["x"] dictionary.
+        - DAP is done by checking if the parent curve is visible.
+        - Device curves are fetched by update sync/async curves, which solves the compatibility there.
+        """
+        mode = self.x_axis_mode.get("name", "index")
+        if mode in ("index", "timestamp"):  # always compatible - wild west mode
+            return True
+        if curve.config.source == "history":
+            scan_item = self.get_history_scan_item(
+                scan_id=curve.config.scan_id, scan_index=curve.config.scan_number
+            )
+            curve = self._fetch_history_data_for_curve(curve, scan_item)
+            if curve is None:
+                return False
+        if curve.config.source == "dap":
+            parent_curve = self._find_curve_by_label(curve.config.parent_label)
+            if parent_curve.isVisible():
+                return True
+            return False  # DAP curve is not compatible if parent curve is not visible
+        return True
+
+    def _update_curve_visibility(self) -> None:
+        """Show or hide curves according to `_is_curve_compatible`."""
+        for c in self.curves:
+            c.setVisible(self._is_curve_compatible(c))
 
     def clear_all(self):
         """
@@ -1130,7 +1377,7 @@ class Waveform(PlotBase):
             self.scan_id = current_scan_id
             self.scan_item = self.queue.scan_storage.find_scan_by_ID(self.scan_id)  # live scan
             self._slice_index = None  # Reset the slice index
-
+            self._update_curve_visibility()
             self._mode = self._categorise_device_curves()
 
             # First trigger to sync and async data
@@ -1208,7 +1455,7 @@ class Waveform(PlotBase):
                 device_data = entry_obj.read()["value"] if entry_obj else None
             x_data = self._get_x_data(device_name, device_entry)
             if x_data is not None:
-                if len(x_data) == 1:
+                if np.isscalar(x_data):
                     self.clear_data()
                     return
             if device_data is not None and x_data is not None:
@@ -1381,6 +1628,9 @@ class Waveform(PlotBase):
                 continue
             # Ensure we have numpy array for data_plot_y
             data_plot_y = np.asarray(data_plot_y)
+            if data_plot_y.ndim == 0:
+                # Convert scalars/0d arrays to 1d so len() and stacking work
+                data_plot_y = data_plot_y.reshape(1)
             # Add
             if instruction == "add":
                 if len(max_shape) > 1:
@@ -1616,6 +1866,7 @@ class Waveform(PlotBase):
                 entry_obj = data.get(x_name, {}).get(x_entry)
                 x_data = entry_obj.read()["value"] if entry_obj else [0]
             new_suffix = f" (custom: {x_name}-{x_entry})"
+            self._current_x_device = (x_name, x_entry)
 
         # 2 User wants timestamp
         if self.x_axis_mode["name"] == "timestamp":
@@ -1630,11 +1881,13 @@ class Waveform(PlotBase):
                 timestamps = entry_obj.read()["timestamp"] if entry_obj else [0]
             x_data = timestamps
             new_suffix = " (timestamp)"
+            self._current_x_device = None
 
         # 3 User wants index
         if self.x_axis_mode["name"] == "index":
             x_data = None
             new_suffix = " (index)"
+            self._current_x_device = None
 
         # 4 Best effort automatic mode
         if self.x_axis_mode["name"] is None or self.x_axis_mode["name"] == "auto":
@@ -1642,6 +1895,7 @@ class Waveform(PlotBase):
             if len(self._async_curves) > 0:
                 x_data = None
                 new_suffix = " (auto: index)"
+                self._current_x_device = None
             # 4.2 If there are sync curves, use the first device from the scan report
             else:
                 try:
@@ -1664,6 +1918,7 @@ class Waveform(PlotBase):
                         entry_obj = data.get(x_name, {}).get(x_entry)
                         x_data = entry_obj.read()["value"] if entry_obj else None
                     new_suffix = f" (auto: {x_name}-{x_entry})"
+                self._current_x_device = (x_name, x_entry)
         self._update_x_label_suffix(new_suffix)
         return x_data
 
@@ -1766,49 +2021,83 @@ class Waveform(PlotBase):
         logger.info(f"Scan {self.scan_id} => mode={self._mode}")
         return mode
 
-    @SafeSlot(int)
-    @SafeSlot(str)
-    @SafeSlot()
-    def update_with_scan_history(self, scan_index: int = None, scan_id: str = None):
+    def get_history_scan_item(
+        self, scan_index: int = None, scan_id: str = None
+    ) -> ScanDataContainer | None:
         """
-        Update the scan curves with the data from the scan storage.
-        Provide only one of scan_id or scan_index.
+        Get scan item from history based on scan_id or scan_index.
+        If both are provided, scan_id takes precedence and the resolved scan_number
+        will be read from the fetched item.
 
         Args:
-            scan_id(str, optional): ScanID of the scan to be updated. Defaults to None.
-            scan_index(int, optional): Index of the scan to be updated. Defaults to None.
+            scan_id (str, optional): ScanID of the scan to fetch. Defaults to None.
+            scan_index (int, optional): Index (scan number) of the scan to fetch. Defaults to None.
+
+        Returns:
+            ScanDataContainer | None: The fetched scan item or None if no item was found.
         """
         if scan_index is not None and scan_id is not None:
-            raise ValueError("Only one of scan_id or scan_index can be provided.")
+            scan_index = None  # Prefer scan_id when both are given
 
         if scan_index is None and scan_id is None:
-            logger.warning(f"Neither scan_id or scan_number was provided, fetching the latest scan")
+            logger.warning("Neither scan_id or scan_number was provided, fetching the latest scan")
             scan_index = -1
 
         if scan_index is None:
-            self.scan_id = scan_id
-            self.scan_item = self.client.history.get_by_scan_id(scan_id)
-            self._emit_signal_update()
-            return
+            return self.client.history.get_by_scan_id(scan_id)
 
         if scan_index == -1:
             scan_item = self.client.queue.scan_storage.current_scan
             if scan_item is not None:
                 if scan_item.status_message is None:
                     logger.warning(f"Scan item with {scan_item.scan_id} has no status message.")
-                    return
-                self.scan_item = scan_item
-                self.scan_id = scan_item.scan_id
-                self._emit_signal_update()
-                return
+                    return None
+                return scan_item
 
         if len(self.client.history) == 0:
-            logger.info("No scans executed so far. Skipping scan history update.")
+            logger.info("No scans executed so far. Cannot fetch scan history.")
+            return None
+
+        # check if scan_index is negative, then fetch it just from the list from the end
+        if int(scan_index) < 0:
+            return self.client.history[scan_index]
+        scan_item = self.client.history.get_by_scan_number(scan_index)
+        if scan_item is None:
+            logger.warning(f"Scan with scan_number {scan_index} not found in history.")
+            return None
+        if isinstance(scan_item, list):
+            if len(scan_item) > 1:
+                logger.warning(
+                    f"Multiple scans found with scan_number {scan_index}. Returning the latest one."
+                )
+            scan_item = scan_item[-1]
+        return scan_item
+
+    @SafeSlot(int)
+    @SafeSlot(str)
+    @SafeSlot()
+    def update_with_scan_history(self, scan_index: int = None, scan_id: str = None):
+        """
+        Update the scan curves with the data from the scan storage.
+        If both arguments are provided, scan_id takes precedence and scan_index is ignored.
+
+        Args:
+            scan_id(str, optional): ScanID of the scan to be updated. Defaults to None.
+            scan_index(int, optional): Index (scan number) of the scan to be updated. Defaults to None.
+        """
+        self.scan_item = self.get_history_scan_item(scan_index=scan_index, scan_id=scan_id)
+
+        if self.scan_item is None:
             return
 
-        self.scan_item = self.client.history[scan_index]
-        metadata = self.scan_item.metadata
-        self.scan_id = metadata["bec"]["scan_id"]
+        if scan_id is not None:
+            self.scan_id = scan_id
+        else:
+            # If scan_number was used, set the scan_id from the fetched item
+            if hasattr(self.scan_item, "metadata"):
+                self.scan_id = self.scan_item.metadata["bec"]["scan_id"]
+            else:
+                self.scan_id = self.scan_item.scan_id
 
         self._emit_signal_update()
 
@@ -2039,6 +2328,9 @@ class Waveform(PlotBase):
         if self.dap_summary_dialog is not None:
             self.dap_summary_dialog.reject()
             self.dap_summary_dialog = None
+        if self.scan_history_dialog is not None:
+            self.scan_history_dialog.reject()
+            self.scan_history_dialog = None
         super().cleanup()
 
 
@@ -2046,7 +2338,7 @@ class DemoApp(QMainWindow):  # pragma: no cover
     def __init__(self):
         super().__init__()
         self.setWindowTitle("Waveform Demo")
-        self.resize(800, 600)
+        self.resize(1200, 600)
         self.main_widget = QWidget(self)
         self.layout = QHBoxLayout(self.main_widget)
         self.setCentralWidget(self.main_widget)
@@ -2058,8 +2350,31 @@ class DemoApp(QMainWindow):  # pragma: no cover
         self.waveform_side.plot(y_name="bpm4i", y_entry="bpm4i", dap="GaussianModel")
         self.waveform_side.plot(y_name="bpm3a", y_entry="bpm3a")
 
+        self.custom_waveform = Waveform(popups=True)
+        self._populate_custom_curve_demo()
+
         self.layout.addWidget(self.waveform_side)
         self.layout.addWidget(self.waveform_popup)
+        self.layout.addWidget(self.custom_waveform)
+
+    def _populate_custom_curve_demo(self):
+        """
+        Showcase how to attach a DAP fit to a fully custom curve.
+
+        The example generates a noisy Gaussian trace, plots it as custom data, and
+        immediately adds a Gaussian model fit. When the widget is plugged into a
+        running BEC instance, the fit curve will be requested like any other device
+        signal. This keeps the example minimal while demonstrating the new workflow.
+        """
+        x = np.linspace(-4, 4, 600)
+        rng = np.random.default_rng(42)
+        noise = rng.normal(loc=0, scale=0.05, size=x.size)
+        amplitude = 3.5
+        center = 0.5
+        sigma = 0.8
+        y = amplitude * np.exp(-((x - center) ** 2) / (2 * sigma**2)) + noise
+
+        self.custom_waveform.plot(x=x, y=y, label="custom-gaussian", dap="GaussianModel")
 
 
 if __name__ == "__main__":  # pragma: no cover

bec_widgets/widgets/progress/ring_progress_bar/ring.py

@@ -12,8 +12,8 @@ from bec_widgets.utils import BECConnector, ConnectionConfig
 
 
 class ProgressbarConnections(BaseModel):
-    slot: Literal["on_scan_progress", "on_device_readback"] = None
-    endpoint: EndpointInfo | str = None
+    slot: Literal["on_scan_progress", "on_device_readback", None] = None
+    endpoint: EndpointInfo | str | None = None
     model_config: dict = {"validate_assignment": True}
 
     @field_validator("endpoint")
@@ -222,9 +222,10 @@ class Ring(BECConnector, QObject):
             device(str): Device name for the device readback mode, only used when mode is "device"
         """
         if mode == "manual":
-            self.bec_dispatcher.disconnect_slot(
-                getattr(self, self.config.connections.slot), self.config.connections.endpoint
-            )
+            if self.config.connections.slot is not None:
+                self.bec_dispatcher.disconnect_slot(
+                    getattr(self, self.config.connections.slot), self.config.connections.endpoint
+                )
             self.config.connections.slot = None
             self.config.connections.endpoint = None
         elif mode == "scan":

bec_widgets/widgets/progress/ring_progress_bar/ring_progress_bar.py

@@ -22,13 +22,9 @@ class RingProgressBarConfig(ConnectionConfig):
     color_map: Optional[str] = Field(
         "plasma", description="Color scheme for the progress bars.", validate_default=True
     )
-    min_number_of_bars: int | None = Field(
-        1, description="Minimum number of progress bars to display."
-    )
-    max_number_of_bars: int | None = Field(
-        10, description="Maximum number of progress bars to display."
-    )
-    num_bars: int | None = Field(1, description="Number of progress bars to display.")
+    min_number_of_bars: int = Field(1, description="Minimum number of progress bars to display.")
+    max_number_of_bars: int = Field(10, description="Maximum number of progress bars to display.")
+    num_bars: int = Field(1, description="Number of progress bars to display.")
     gap: int | None = Field(20, description="Gap between progress bars.")
     auto_updates: bool | None = Field(
         True, description="Enable or disable updates based on scan queue status."
@@ -242,7 +238,7 @@ class RingProgressBar(BECWidget, QWidget):
         for i, ring in enumerate(self._rings):
             ring.config.index = i
 
-    def set_precision(self, precision: int, bar_index: int = None):
+    def set_precision(self, precision: int, bar_index: int | None = None):
         """
         Set the precision for the progress bars. If bar_index is not provide, the precision will be set for all progress bars.
 
@@ -271,9 +267,9 @@ class RingProgressBar(BECWidget, QWidget):
             min_values(int|float | list[float]): Minimum value(s) for the progress bars. If multiple progress bars are displayed, provide a list of minimum values for each progress bar.
             max_values(int|float | list[float]): Maximum value(s) for the progress bars. If multiple progress bars are displayed, provide a list of maximum values for each progress bar.
         """
-        if isinstance(min_values, int) or isinstance(min_values, float):
+        if isinstance(min_values, (int, float)):
             min_values = [min_values]
-        if isinstance(max_values, int) or isinstance(max_values, float):
+        if isinstance(max_values, (int, float)):
             max_values = [max_values]
         min_values = self._adjust_list_to_bars(min_values)
         max_values = self._adjust_list_to_bars(max_values)
@@ -441,14 +437,10 @@ class RingProgressBar(BECWidget, QWidget):
         Returns:
             Ring: Ring object.
         """
-        found_ring = None
         for ring in self._rings:
             if ring.config.index == index:
-                found_ring = ring
-                break
-        if found_ring is None:
-            raise ValueError(f"Ring with index {index} not found.")
-        return found_ring
+                return ring
+        raise ValueError(f"Ring with index {index} not found.")
 
     def enable_auto_updates(self, enable: bool = True):
         """
@@ -485,29 +477,30 @@ class RingProgressBar(BECWidget, QWidget):
         primary_queue = msg.get("queue").get("primary")
         info = primary_queue.get("info", None)
 
-        if info:
-            active_request_block = info[0].get("active_request_block", None)
-            if active_request_block:
-                report_instructions = active_request_block.get("report_instructions", None)
-                if report_instructions:
-                    instruction_type = list(report_instructions[0].keys())[0]
-                    if instruction_type == "scan_progress":
-                        self._hook_scan_progress(ring_index=0)
-                    elif instruction_type == "readback":
-                        devices = report_instructions[0].get("readback").get("devices")
-                        start = report_instructions[0].get("readback").get("start")
-                        end = report_instructions[0].get("readback").get("end")
-                        if self.config.num_bars != len(devices):
-                            self.set_number_of_bars(len(devices))
-                        for index, device in enumerate(devices):
-                            self._hook_readback(index, device, start[index], end[index])
-                    else:
-                        logger.error(f"{instruction_type} not supported yet.")
+        if not info:
+            return
+        active_request_block = info[0].get("active_request_block", None)
+        if not active_request_block:
+            return
+        report_instructions = active_request_block.get("report_instructions", None)
+        if not report_instructions:
+            return
 
-                    # elif instruction_type == "device_progress":
-                    #     print("hook device_progress")
+        instruction_type = list(report_instructions[0].keys())[0]
+        if instruction_type == "scan_progress":
+            self._hook_scan_progress(ring_index=0)
+        elif instruction_type == "readback":
+            devices = report_instructions[0].get("readback").get("devices")
+            start = report_instructions[0].get("readback").get("start")
+            end = report_instructions[0].get("readback").get("end")
+            if self.config.num_bars != len(devices):
+                self.set_number_of_bars(len(devices))
+            for index, device in enumerate(devices):
+                self._hook_readback(index, device, start[index], end[index])
+        else:
+            logger.error(f"{instruction_type} not supported yet.")
 
-    def _hook_scan_progress(self, ring_index: int = None):
+    def _hook_scan_progress(self, ring_index: int | None = None):
         """
         Hook the scan progress to the progress bars.
 
@@ -521,8 +514,7 @@ class RingProgressBar(BECWidget, QWidget):
 
         if ring.config.connections.slot == "on_scan_progress":
             return
-        else:
-            ring.set_connections("on_scan_progress", MessageEndpoints.scan_progress())
+        ring.set_connections("on_scan_progress", MessageEndpoints.scan_progress())
 
     def _hook_readback(self, bar_index: int, device: str, min: float | int, max: float | int):
         """
@@ -576,6 +568,8 @@ class RingProgressBar(BECWidget, QWidget):
         return bar_index
 
     def paintEvent(self, event):
+        if not self._rings:
+            return
         painter = QtGui.QPainter(self)
         painter.setRenderHint(QtGui.QPainter.Antialiasing)
         size = min(self.width(), self.height())
@@ -628,9 +622,8 @@ class RingProgressBar(BECWidget, QWidget):
             return QSize(10, 10)
         ring_widths = [self.config.rings[i].line_width for i in range(self.config.num_bars)]
         total_width = sum(ring_widths) + self.config.gap * (self.config.num_bars - 1)
-        diameter = total_width * 2
-        if diameter < 50:
-            diameter = 50
+        diameter = max(total_width * 2, 50)
+
         return QSize(diameter, diameter)
 
     def sizeHint(self):

bec_widgets/widgets/services/device_browser/device_item/device_signal_display.py

@@ -38,8 +38,8 @@ class SignalDisplay(BECWidget, QWidget):
     @SafeSlot()
     def _refresh(self):
         if (dev := self.dev.get(self.device)) is not None:
-            dev.read()
-            dev.read_configuration()
+            dev.read(cached=True)
+            dev.read_configuration(cached=True)
 
     def _add_refresh_button(self):
         button_holder = QWidget()

bec_widgets/widgets/utility/pdf_viewer/pdf_viewer.py

@@ -0,0 +1,574 @@
+import os
+from typing import Optional
+
+from qtpy.QtCore import QMargins, Qt, Signal
+from qtpy.QtGui import QIntValidator
+from qtpy.QtPdf import QPdfDocument
+from qtpy.QtPdfWidgets import QPdfView
+from qtpy.QtWidgets import QFileDialog, QHBoxLayout, QLabel, QLineEdit, QVBoxLayout, QWidget
+
+from bec_widgets.utils.bec_widget import BECWidget
+from bec_widgets.utils.error_popups import SafeProperty, SafeSlot
+from bec_widgets.utils.toolbars.actions import MaterialIconAction, WidgetAction
+from bec_widgets.utils.toolbars.toolbar import ModularToolBar
+
+
+class PdfViewerWidget(BECWidget, QWidget):
+    """A widget to display PDF documents with toolbar controls."""
+
+    # Emitted when a PDF document is successfully loaded, providing the file path.
+    document_ready = Signal(str)
+
+    PLUGIN = True
+    RPC = True
+    ICON_NAME = "picture_as_pdf"
+    USER_ACCESS = [
+        "load_pdf",
+        "zoom_in",
+        "zoom_out",
+        "fit_to_width",
+        "fit_to_page",
+        "reset_zoom",
+        "previous_page",
+        "next_page",
+        "toggle_continuous_scroll",
+        "page_spacing",
+        "page_spacing.setter",
+        "side_margins",
+        "side_margins.setter",
+        "go_to_first_page",
+        "go_to_last_page",
+        "jump_to_page",
+        "current_page",
+        "current_file_path",
+        "current_file_path.setter",
+    ]
+
+    def __init__(
+        self, parent: Optional[QWidget] = None, config=None, client=None, gui_id=None, **kwargs
+    ):
+        super().__init__(parent=parent, config=config, client=client, gui_id=gui_id, **kwargs)
+
+        # Set up the layout
+        layout = QVBoxLayout(self)
+        layout.setContentsMargins(0, 0, 0, 0)
+        layout.setSpacing(0)
+
+        # Create the PDF document and view first
+        self._pdf_document = QPdfDocument(self)
+        self.pdf_view = QPdfView()
+        self.pdf_view.setZoomMode(QPdfView.ZoomMode.FitToWidth)
+
+        # Create toolbar after PDF components are initialized
+        self.toolbar = ModularToolBar(parent=self, orientation="horizontal")
+        self._setup_toolbar()
+
+        # Add widgets to layout
+        layout.addWidget(self.toolbar)
+        layout.addWidget(self.pdf_view)
+
+        # Current file path and spacing settings
+        self._current_file_path = None
+        self._page_spacing = 5  # Default spacing between pages in continuous mode
+        self._side_margins = 10  # Default side margins (horizontal spacing)
+
+    def _setup_toolbar(self):
+        """Set up the toolbar with PDF control buttons."""
+        # Create separate bundles for different control groups
+        file_bundle = self.toolbar.new_bundle("file_controls")
+        zoom_bundle = self.toolbar.new_bundle("zoom_controls")
+        view_bundle = self.toolbar.new_bundle("view_controls")
+        nav_bundle = self.toolbar.new_bundle("navigation_controls")
+
+        # File operations
+        open_action = MaterialIconAction(
+            icon_name="folder_open", tooltip="Open PDF File", parent=self
+        )
+        open_action.action.triggered.connect(self.open_file_dialog)
+        self.toolbar.components.add("open_file", open_action)
+        file_bundle.add_action("open_file")
+
+        # Zoom controls
+        zoom_in_action = MaterialIconAction(icon_name="zoom_in", tooltip="Zoom In", parent=self)
+        zoom_in_action.action.triggered.connect(self.zoom_in)
+        self.toolbar.components.add("zoom_in", zoom_in_action)
+        zoom_bundle.add_action("zoom_in")
+
+        zoom_out_action = MaterialIconAction(icon_name="zoom_out", tooltip="Zoom Out", parent=self)
+        zoom_out_action.action.triggered.connect(self.zoom_out)
+        self.toolbar.components.add("zoom_out", zoom_out_action)
+        zoom_bundle.add_action("zoom_out")
+
+        fit_width_action = MaterialIconAction(
+            icon_name="fit_screen", tooltip="Fit to Width", parent=self
+        )
+        fit_width_action.action.triggered.connect(self.fit_to_width)
+        self.toolbar.components.add("fit_width", fit_width_action)
+        zoom_bundle.add_action("fit_width")
+
+        fit_page_action = MaterialIconAction(
+            icon_name="fullscreen", tooltip="Fit to Page", parent=self
+        )
+        fit_page_action.action.triggered.connect(self.fit_to_page)
+        self.toolbar.components.add("fit_page", fit_page_action)
+        zoom_bundle.add_action("fit_page")
+
+        reset_zoom_action = MaterialIconAction(
+            icon_name="center_focus_strong", tooltip="Reset Zoom to 100%", parent=self
+        )
+        reset_zoom_action.action.triggered.connect(self.reset_zoom)
+        self.toolbar.components.add("reset_zoom", reset_zoom_action)
+        zoom_bundle.add_action("reset_zoom")
+
+        # View controls
+        continuous_scroll_action = MaterialIconAction(
+            icon_name="view_agenda", tooltip="Toggle Continuous Scroll", checkable=True, parent=self
+        )
+        continuous_scroll_action.action.toggled.connect(self.toggle_continuous_scroll)
+        self.toolbar.components.add("continuous_scroll", continuous_scroll_action)
+        view_bundle.add_action("continuous_scroll")
+
+        # Navigation controls
+        prev_page_action = MaterialIconAction(
+            icon_name="navigate_before", tooltip="Previous Page", parent=self
+        )
+        prev_page_action.action.triggered.connect(self.previous_page)
+        self.toolbar.components.add("prev_page", prev_page_action)
+        nav_bundle.add_action("prev_page")
+
+        next_page_action = MaterialIconAction(
+            icon_name="navigate_next", tooltip="Next Page", parent=self
+        )
+        next_page_action.action.triggered.connect(self.next_page)
+        self.toolbar.components.add("next_page", next_page_action)
+        nav_bundle.add_action("next_page")
+
+        # Page jump widget (in navigation bundle)
+        self._setup_page_jump_widget(nav_bundle)
+
+        # Show all bundles
+        self.toolbar.show_bundles(
+            ["file_controls", "zoom_controls", "view_controls", "navigation_controls"]
+        )
+
+        # Initialize navigation button tooltips for single page mode (default)
+        self._update_navigation_buttons_for_mode(continuous=False)
+
+        # Initialize navigation button states
+        self._update_navigation_button_states()
+
+    def _setup_page_jump_widget(self, nav_bundle):
+        """Set up the page jump widget (label + line edit)."""
+        # Create a container widget for the page jump controls
+        page_jump_container = QWidget()
+        page_jump_layout = QHBoxLayout(page_jump_container)
+        page_jump_layout.setContentsMargins(5, 0, 5, 0)
+        page_jump_layout.setSpacing(3)
+
+        # Page input field
+        self.page_input = QLineEdit()
+        self.page_input.setValidator(QIntValidator(1, 100000))  # restrict to 1–100000
+        self.page_input.setFixedWidth(50)
+        self.page_input.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.page_input.setPlaceholderText("1")
+        self.page_input.setToolTip("Enter page number and press Enter")
+        self.page_input.returnPressed.connect(self._line_edit_jump_to_page)
+
+        # Total pages label
+        self.total_pages_label = QLabel("/ 1")
+        self.total_pages_label.setStyleSheet("color: #666; font-size: 12px;")
+
+        # Add widgets to layout
+        page_jump_layout.addWidget(self.page_input)
+        page_jump_layout.addWidget(self.total_pages_label)
+
+        # Create a WidgetAction for the page jump controls
+        # No manual separator needed - bundles are automatically separated
+        page_jump_action = WidgetAction(
+            label="Page:", widget=page_jump_container, adjust_size=False, parent=self
+        )
+        self.toolbar.components.add("page_jump", page_jump_action)
+        nav_bundle.add_action("page_jump")
+
+    def _line_edit_jump_to_page(self):
+        """Jump to the page entered in the line edit."""
+        page_text = self.page_input.text().strip()
+        if not page_text:
+            return
+        # We validated input to be integer, so safe to convert directly
+        self.jump_to_page(int(page_text))
+
+    def _update_navigation_button_states(self):
+        """Update the enabled/disabled state of navigation buttons."""
+        if not self._pdf_document or self._pdf_document.status() != QPdfDocument.Status.Ready:
+            # No document loaded - disable all navigation
+            self._set_navigation_enabled(False, False)
+            self._update_page_display(1, 1)
+            return
+
+        navigator = self.pdf_view.pageNavigator()
+        current_page = navigator.currentPage()
+        total_pages = self._pdf_document.pageCount()
+
+        # Update button states
+        prev_enabled = current_page > 0
+        next_enabled = current_page < (total_pages - 1)
+        self._set_navigation_enabled(prev_enabled, next_enabled)
+
+        # Update page display
+        self._update_page_display(current_page + 1, total_pages)
+
+    def _set_navigation_enabled(self, prev_enabled: bool, next_enabled: bool):
+        """Set the enabled state of navigation buttons."""
+        prev_action = self.toolbar.components.get_action("prev_page")
+        if prev_action and hasattr(prev_action, "action") and prev_action.action:
+            prev_action.action.setEnabled(prev_enabled)
+
+        next_action = self.toolbar.components.get_action("next_page")
+        if next_action and hasattr(next_action, "action") and next_action.action:
+            next_action.action.setEnabled(next_enabled)
+
+    def _update_page_display(self, current_page: int, total_pages: int):
+        """Update the page display in the toolbar."""
+        if hasattr(self, "page_input"):
+            self.page_input.setText(str(current_page))
+            self.page_input.setPlaceholderText(str(current_page))
+
+        if hasattr(self, "total_pages_label"):
+            self.total_pages_label.setText(f"/ {total_pages}")
+
+    @SafeProperty(str)
+    def current_file_path(self):
+        """Get the current PDF file path."""
+        return self._current_file_path
+
+    @current_file_path.setter
+    def current_file_path(self, value: str):
+        """
+        Set the current PDF file path and load the document.
+
+        Args:
+            value (str): Path to the PDF file to load.
+        """
+        if not isinstance(value, str):
+            raise ValueError("current_file_path must be a string")
+        self.load_pdf(value)
+
+    @SafeProperty(int)
+    def page_spacing(self):
+        """Get the spacing between pages in continuous scroll mode."""
+        return self._page_spacing
+
+    @property
+    def current_page(self):
+        """Get the current page number (1-based index)."""
+        if not self._pdf_document or self._pdf_document.status() != QPdfDocument.Status.Ready:
+            return 0
+        navigator = self.pdf_view.pageNavigator()
+        return navigator.currentPage() + 1
+
+    @page_spacing.setter
+    def page_spacing(self, value: int):
+        """
+        Set the spacing between pages in continuous scroll mode.
+
+        Args:
+            value (int): Spacing in pixels (non-negative integer).
+        """
+        if not isinstance(value, int):
+            raise ValueError("page_spacing must be an integer")
+        if value < 0:
+            raise ValueError("page_spacing must be non-negative")
+
+        self._page_spacing = value
+
+        # If currently in continuous scroll mode, update the spacing immediately
+        if self.pdf_view.pageMode() == QPdfView.PageMode.MultiPage:
+            self.pdf_view.setPageSpacing(self._page_spacing)
+
+    @SafeProperty(int)
+    def side_margins(self):
+        """Get the horizontal margins (side spacing) around the PDF content."""
+        return self._side_margins
+
+    @side_margins.setter
+    def side_margins(self, value: int):
+        """Set the horizontal margins (side spacing) around the PDF content."""
+        if not isinstance(value, int):
+            raise ValueError("side_margins must be an integer")
+        if value < 0:
+            raise ValueError("side_margins must be non-negative")
+
+        self._side_margins = value
+
+        # Update the document margins immediately
+        # setDocumentMargins takes a QMargins(left, top, right, bottom)
+        margins = QMargins(self._side_margins, 0, self._side_margins, 0)
+        self.pdf_view.setDocumentMargins(margins)
+
+    def open_file_dialog(self):
+        """Open a file dialog to select a PDF file."""
+        file_path, _ = QFileDialog.getOpenFileName(
+            self, "Open PDF File", "", "PDF Files (*.pdf);;All Files (*)"
+        )
+        if file_path:
+            self.load_pdf(file_path)
+
+    @SafeSlot(str, popup_error=True)
+    def load_pdf(self, file_path: str):
+        """
+        Load a PDF file into the viewer.
+
+        Args:
+            file_path (str): Path to the PDF file to load.
+        """
+        # Validate file exists
+        if not os.path.isfile(file_path):
+            raise FileNotFoundError(f"File not found: {file_path}")
+
+        self._current_file_path = file_path
+
+        # Disconnect any existing signal connections
+        try:
+            self._pdf_document.statusChanged.disconnect(self._on_document_status_changed)
+        except (TypeError, RuntimeError):
+            pass
+
+        # Connect to statusChanged signal to handle when document is ready
+        self._pdf_document.statusChanged.connect(self._on_document_status_changed)
+
+        # Load the document
+        self._pdf_document.load(file_path)
+
+        # If already ready (synchronous loading), set document immediately
+        if self._pdf_document.status() == QPdfDocument.Status.Ready:
+            self._on_document_ready()
+
+    @SafeSlot(QPdfDocument.Status)
+    def _on_document_status_changed(self, status: QPdfDocument.Status):
+        """Handle document status changes."""
+        status = self._pdf_document.status()
+
+        if status == QPdfDocument.Status.Ready:
+            self._on_document_ready()
+        elif status == QPdfDocument.Status.Error:
+            raise RuntimeError(f"Failed to load PDF document: {self._current_file_path}")
+
+    def _on_document_ready(self):
+        """Handle when document is ready to be displayed."""
+        self.pdf_view.setDocument(self._pdf_document)
+
+        # Set initial margins
+        margins = QMargins(self._side_margins, 0, self._side_margins, 0)
+        self.pdf_view.setDocumentMargins(margins)
+
+        # Connect to page changes to update navigation button states
+        navigator = self.pdf_view.pageNavigator()
+        navigator.currentPageChanged.connect(self._on_page_changed)
+
+        # Make sure we start at the first page
+        navigator.update(0, navigator.currentLocation(), navigator.currentZoom())
+
+        # Update initial navigation state
+        self._update_navigation_button_states()
+        self.document_ready.emit(self._current_file_path)
+
+    def _on_page_changed(self, _page):
+        """Handle page change events to update navigation states."""
+        self._update_navigation_button_states()
+
+    # Toolbar action methods
+    @SafeSlot()
+    def zoom_in(self):
+        """Zoom in the PDF view."""
+        self.pdf_view.setZoomMode(QPdfView.ZoomMode.Custom)
+        current_factor = self.pdf_view.zoomFactor()
+        new_factor = current_factor * 1.25
+        self.pdf_view.setZoomFactor(new_factor)
+
+    @SafeSlot()
+    def zoom_out(self):
+        """Zoom out the PDF view."""
+        self.pdf_view.setZoomMode(QPdfView.ZoomMode.Custom)
+        current_factor = self.pdf_view.zoomFactor()
+        new_factor = max(current_factor / 1.25, 0.1)
+        self.pdf_view.setZoomFactor(new_factor)
+
+    @SafeSlot()
+    def fit_to_width(self):
+        """Fit PDF to width."""
+        self.pdf_view.setZoomMode(QPdfView.ZoomMode.FitToWidth)
+
+    @SafeSlot()
+    def fit_to_page(self):
+        """Fit PDF to page."""
+        self.pdf_view.setZoomMode(QPdfView.ZoomMode.FitInView)
+
+    @SafeSlot()
+    def reset_zoom(self):
+        """Reset zoom to 100% (1.0 factor)."""
+        self.pdf_view.setZoomMode(QPdfView.ZoomMode.Custom)
+        self.pdf_view.setZoomFactor(1.0)
+
+    @SafeSlot()
+    def previous_page(self):
+        """Go to previous page."""
+        if not self._pdf_document or self._pdf_document.status() != QPdfDocument.Status.Ready:
+            return
+
+        navigator = self.pdf_view.pageNavigator()
+        current_page = navigator.currentPage()
+        if current_page == 0:
+            self._update_navigation_button_states()
+            return
+
+        try:
+            target_page = current_page - 1
+            navigator.update(target_page, navigator.currentLocation(), navigator.currentZoom())
+        except Exception:
+            try:
+                # Fallback: Use scroll to approximate position
+                page_height = self.pdf_view.viewport().height()
+                self.pdf_view.verticalScrollBar().setValue(
+                    self.pdf_view.verticalScrollBar().value() - page_height
+                )
+            except Exception:
+                pass
+
+        # Update navigation button states (in case signal doesn't fire)
+        self._update_navigation_button_states()
+
+    @SafeSlot()
+    def next_page(self):
+        """Go to next page."""
+        if not self._pdf_document or self._pdf_document.status() != QPdfDocument.Status.Ready:
+            return
+
+        navigator = self.pdf_view.pageNavigator()
+        current_page = navigator.currentPage()
+        max_page = self._pdf_document.pageCount() - 1
+        if current_page < max_page:
+            try:
+                target_page = current_page + 1
+                navigator.update(target_page, navigator.currentLocation(), navigator.currentZoom())
+            except Exception:
+                try:
+                    # Fallback: Use scroll to approximate position
+                    page_height = self.pdf_view.viewport().height()
+                    self.pdf_view.verticalScrollBar().setValue(
+                        self.pdf_view.verticalScrollBar().value() + page_height
+                    )
+                except Exception:
+                    pass
+
+        # Update navigation button states (in case signal doesn't fire)
+        self._update_navigation_button_states()
+
+    @SafeSlot(bool)
+    def toggle_continuous_scroll(self, checked: bool):
+        """
+        Toggle between single page and continuous scroll mode.
+
+        Args:
+            checked (bool): True to enable continuous scroll, False for single page mode.
+        """
+        if checked:
+            self.pdf_view.setPageMode(QPdfView.PageMode.MultiPage)
+            self.pdf_view.setPageSpacing(self._page_spacing)
+            self._update_navigation_buttons_for_mode(continuous=True)
+            tooltip = "Switch to Single Page Mode"
+        else:
+            self.pdf_view.setPageMode(QPdfView.PageMode.SinglePage)
+            self._update_navigation_buttons_for_mode(continuous=False)
+            tooltip = "Switch to Continuous Scroll Mode"
+
+        # Update navigation button states after mode change
+        self._update_navigation_button_states()
+
+        # Update toggle button tooltip to reflect current state
+        action = self.toolbar.components.get_action("continuous_scroll")
+        if action and hasattr(action, "action") and action.action:
+            action.action.setToolTip(tooltip)
+
+    def _update_navigation_buttons_for_mode(self, continuous: bool):
+        """Update navigation button tooltips based on current mode."""
+        prev_action = self.toolbar.components.get_action("prev_page")
+        next_action = self.toolbar.components.get_action("next_page")
+
+        if continuous:
+            prev_actions_tooltip = "Previous Page (use scroll in continuous mode)"
+            next_actions_tooltip = "Next Page (use scroll in continuous mode)"
+        else:
+            prev_actions_tooltip = "Previous Page"
+            next_actions_tooltip = "Next Page"
+
+        if prev_action and hasattr(prev_action, "action") and prev_action.action:
+            prev_action.action.setToolTip(prev_actions_tooltip)
+        if next_action and hasattr(next_action, "action") and next_action.action:
+            next_action.action.setToolTip(next_actions_tooltip)
+
+    @SafeSlot()
+    def go_to_first_page(self):
+        """Go to the first page."""
+        if not self._pdf_document or self._pdf_document.status() != QPdfDocument.Status.Ready:
+            return
+
+        navigator = self.pdf_view.pageNavigator()
+        navigator.update(0, navigator.currentLocation(), navigator.currentZoom())
+
+    @SafeSlot()
+    def go_to_last_page(self):
+        """Go to the last page."""
+        if not self._pdf_document or self._pdf_document.status() != QPdfDocument.Status.Ready:
+            return
+
+        navigator = self.pdf_view.pageNavigator()
+        last_page = self._pdf_document.pageCount() - 1
+        navigator.update(last_page, navigator.currentLocation(), navigator.currentZoom())
+
+    @SafeSlot(int)
+    def jump_to_page(self, page_number: int):
+        """Jump to a specific page number (1-based index)."""
+        if not isinstance(page_number, int):
+            raise ValueError("page_number must be an integer")
+
+        if not self._pdf_document or self._pdf_document.status() != QPdfDocument.Status.Ready:
+            raise RuntimeError("No PDF document loaded")
+
+        max_page = self._pdf_document.pageCount()
+        page_number = max(min(page_number, max_page), 1)
+
+        target_page = page_number - 1  # Convert to 0-based index
+        navigator = self.pdf_view.pageNavigator()
+        navigator.update(target_page, navigator.currentLocation(), navigator.currentZoom())
+
+    def cleanup(self):
+        """Handle widget close event to prevent segfaults."""
+        if hasattr(self, "_pdf_document") and self._pdf_document:
+            self._pdf_document.statusChanged.disconnect()
+            empty_doc = QPdfDocument(self)
+            self.pdf_view.setDocument(empty_doc)
+
+        if hasattr(self, "toolbar"):
+            self.toolbar.cleanup()
+
+        super().cleanup()
+
+
+if __name__ == "__main__":
+    import sys
+
+    # from bec_qthemes import apply_theme
+    from qtpy.QtWidgets import QApplication
+
+    app = QApplication(sys.argv)
+    # apply_theme("dark")
+    viewer = PdfViewerWidget()
+    # viewer.load_pdf("/Path/To/Your/TestDocument.pdf")
+    viewer.next_page()
+    # viewer.page_spacing = 0
+    # viewer.side_margins = 0
+    viewer.resize(1000, 700)
+    viewer.show()
+
+    sys.exit(app.exec())

bec_widgets/widgets/utility/pdf_viewer/pdf_viewer_widget.pyproject

@@ -0,0 +1 @@
+{'files': ['pdf_viewer.py']}

bec_widgets/widgets/utility/pdf_viewer/pdf_viewer_widget_plugin.py

@@ -0,0 +1,57 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+from qtpy.QtDesigner import QDesignerCustomWidgetInterface
+from qtpy.QtWidgets import QWidget
+
+from bec_widgets.utils.bec_designer import designer_material_icon
+from bec_widgets.widgets.utility.pdf_viewer.pdf_viewer import PdfViewerWidget
+
+DOM_XML = """
+<ui language='c++'>
+    <widget class='PdfViewerWidget' name='pdf_viewer_widget'>
+    </widget>
+</ui>
+"""
+
+
+class PdfViewerWidgetPlugin(QDesignerCustomWidgetInterface):  # pragma: no cover
+    def __init__(self):
+        super().__init__()
+        self._form_editor = None
+
+    def createWidget(self, parent):
+        if parent is None:
+            return QWidget()
+        t = PdfViewerWidget(parent)
+        return t
+
+    def domXml(self):
+        return DOM_XML
+
+    def group(self):
+        return "BEC Utils"
+
+    def icon(self):
+        return designer_material_icon(PdfViewerWidget.ICON_NAME)
+
+    def includeFile(self):
+        return "pdf_viewer_widget"
+
+    def initialize(self, form_editor):
+        self._form_editor = form_editor
+
+    def isContainer(self):
+        return False
+
+    def isInitialized(self):
+        return self._form_editor is not None
+
+    def name(self):
+        return "PdfViewerWidget"
+
+    def toolTip(self):
+        return "A widget to display PDF documents with toolbar controls."
+
+    def whatsThis(self):
+        return self.toolTip()

bec_widgets/widgets/utility/pdf_viewer/register_pdf_viewer_widget.py

@@ -0,0 +1,17 @@
+def main():  # pragma: no cover
+    from qtpy import PYSIDE6
+
+    if not PYSIDE6:
+        print("PYSIDE6 is not available in the environment. Cannot patch designer.")
+        return
+    from PySide6.QtDesigner import QPyDesignerCustomWidgetCollection
+
+    from bec_widgets.widgets.utility.pdf_viewer.pdf_viewer_widget_plugin import (
+        PdfViewerWidgetPlugin,
+    )
+
+    QPyDesignerCustomWidgetCollection.addCustomWidget(PdfViewerWidgetPlugin())
+
+
+if __name__ == "__main__":  # pragma: no cover
+    main()

bec_widgets/widgets/utility/signal_label/signal_label.py

@@ -273,7 +273,9 @@ class SignalLabel(BECWidget, QWidget):
         if not isinstance(self._device_obj, Device | Signal):
             self._value, self._units = "__", ""
             return
-        reading = (self._device_obj.read() or {}) | (self._device_obj.read_configuration() or {})
+        reading = (self._device_obj.read(cached=True) or {}) | (
+            self._device_obj.read_configuration(cached=True) or {}
+        )
         value = reading.get(self._signal_key, {}).get("value")
         if value is None:
             self._value, self._units = "__", ""

docs/developer/introduction/contributing.md

@@ -8,7 +8,7 @@ Therefore, we recommend that you install BEC first following the [developer inst
 If you already have a BEC environment set up, you can install BEC Widgets in editable mode into your BEC Python environment.
 
 **Prerequisites**
-1. **Python Version:** BEC Widgets requires Python version 3.10 or higher. Verify your Python version to ensure compatibility.
+1. **Python Version:** BEC Widgets requires Python version 3.11 or higher. Verify your Python version to ensure compatibility.
 2. **BEC Installation:** BEC Widgets works in conjunction with BEC. While BEC is a dependency and will be installed automatically, you can find more information about BEC and its installation process in the [BEC documentation](https://beamline-experiment-control.readthedocs.io/en/latest/).
 3. **Qt Distributions:** BEC Widgets supports [PySide6](https://doc.qt.io/qtforpython-6/quickstart.html) and [PyQt6](https://www.riverbankcomputing.com/static/Docs/PyQt6/introduction.html). We use [qtpy](https://pypi.org/project/QtPy/) to abstract the underlying QT distribution.
 

docs/user/getting_started/installation.md

@@ -4,7 +4,7 @@
 
 Before installing BEC Widgets, please ensure the following requirements are met:
 
-1. **Python Version:** BEC Widgets requires Python version 3.10 or higher. Verify your Python version to ensure compatibility.
+1. **Python Version:** BEC Widgets requires Python version 3.11 or higher. Verify your Python version to ensure compatibility.
 2. **BEC Installation:** BEC Widgets works in conjunction with BEC. While BEC is a dependency and will be installed automatically, you can find more information about BEC and its installation process in the [BEC documentation](https://beamline-experiment-control.readthedocs.io/en/latest/).
 
 **Standard Installation**

docs/user/widgets/pdf_viewer/pdf_viewer_widget.md

@@ -0,0 +1,119 @@
+(user.widgets.pdf_viewer_widget)=
+
+# PDF Viewer Widget
+
+````{tab} Overview
+
+The PDF Viewer Widget is a versatile tool designed for displaying and navigating PDF documents within your BEC applications. Directly integrated with the `BEC` framework, it provides a full-featured PDF viewing experience with zoom controls, page navigation, and customizable display options.
+
+## Key Features:
+- **Flexible Integration**: The widget can be integrated into [`BECDockArea`](user.widgets.bec_dock_area), or used as an individual component in your application through `BEC Designer`.
+- **Full PDF Support**: Display any PDF document with full rendering support through Qt's PDF rendering engine.
+- **Navigation Controls**: Built-in toolbar with page navigation, zoom controls, and document status indicators.
+- **Customizable Display**: Adjustable page spacing, margins, and zoom levels for optimal viewing experience.
+- **Document Management**: Load different PDF files dynamically during runtime with proper error handling.
+
+## User Interface Components:
+- **Toolbar**: Contains all navigation and zoom controls
+  - Previous/Next page buttons
+  - Page number input field with total page count
+  - First/Last page navigation buttons
+  - Zoom in/out buttons
+  - Fit to width/page buttons
+  - Reset zoom button
+- **PDF View Area**: Main display area for the PDF content
+
+````
+
+````{tab} Examples - CLI
+
+`PdfViewerWidget` can be embedded in [`BECDockArea`](user.widgets.bec_dock_area), or used as an individual component in your application through `BEC Designer`. The command-line API is the same for all cases.
+
+## Example 1 - Basic PDF Loading
+
+In this example, we demonstrate how to add a `PdfViewerWidget` to a [`BECDockArea`](user.widgets.bec_dock_area) and load a PDF document.
+
+```python
+# Add a new dock with PDF viewer widget
+dock_area = gui.new()
+pdf_viewer = dock_area.new().new(gui.available_widgets.PdfViewerWidget)
+
+# Load a PDF file
+pdf_viewer.load_pdf("/path/to/your/document.pdf")
+```
+
+## Example 2 - Customizing Display Properties
+
+This example shows how to customize the display properties of the PDF viewer for better presentation.
+
+```python
+# Create PDF viewer
+pdf_viewer = gui.new().new().new(gui.available_widgets.PdfViewerWidget)
+
+# Load PDF document
+pdf_viewer.load_pdf("/path/to/report.pdf")
+pdf_viewer.toggle_continuous_scroll(True)  # Enable continuous scroll mode
+
+# Customize display properties
+pdf_viewer.page_spacing = 20  # Increase spacing between pages
+pdf_viewer.side_margins = 50  # Add horizontal margins
+
+# Navigate to specific page
+pdf_viewer.jump_to_page(5)  # Go to page 5
+```
+
+## Example 3 - Navigation and Zoom Controls
+
+The PDF viewer provides programmatic access to all navigation and zoom functionality.
+
+```python
+# Create and load PDF
+pdf_viewer = gui.new().new().new(gui.available_widgets.PdfViewerWidget)
+pdf_viewer.load_pdf("/path/to/manual.pdf")
+
+# Navigation examples
+pdf_viewer.go_to_first_page()  # Go to first page
+pdf_viewer.go_to_last_page()   # Go to last page
+pdf_viewer.jump_to_page(10)    # Jump to specific page
+
+# Zoom controls
+pdf_viewer.zoom_in()           # Increase zoom
+pdf_viewer.zoom_out()          # Decrease zoom
+pdf_viewer.fit_to_width()      # Fit document to window width
+pdf_viewer.fit_to_page()       # Fit entire page to window
+pdf_viewer.reset_zoom()        # Reset to 100% zoom
+
+# Check current status
+current_page = pdf_viewer.current_page
+print(f"Currently viewing page {current_page}")
+```
+
+## Example 4 - Dynamic Document Loading
+
+This example demonstrates how to switch between different PDF documents dynamically.
+
+```python
+# Create PDF viewer
+pdf_viewer = gui.new().new().new(gui.available_widgets.PdfViewerWidget)
+
+# Load first document
+pdf_viewer.load_pdf("/path/to/document1.pdf")
+
+# Or simply set the current file path
+pdf_viewer.current_file_path = "/path/to/document2.pdf"
+# This automatically loads the new document
+
+# Check which file is currently loaded
+current_file = pdf_viewer.current_file_path
+print(f"Currently viewing: {current_file}")
+```
+
+````
+
+````{tab} API
+```{eval-rst}  
+.. autoclass:: bec_widgets.cli.client.PdfViewerWidget
+   :members:
+   :show-inheritance:
+```
+````

docs/user/widgets/widgets.md

@@ -270,6 +270,14 @@ Select DAP model from a list of DAP processes.
 
 Show and filter logs from the BEC Redis server.
 ```
+
+```{grid-item-card} PDF Viewer Widget
+:link: user.widgets.pdf_viewer_widget
+:link-type: ref
+:img-top: /assets/widget_screenshots/pdf_viewer.png
+
+Display and navigate PDF documents.
+```
 ````
 
 ```{toctree}
@@ -307,6 +315,7 @@ dap_combo_box/dap_combo_box.md
 games/games.md
 log_panel/log_panel.md
 signal_label/signal_label.md
+pdf_viewer/pdf_viewer_widget.md
 
 
 ```

pyproject.toml

@@ -4,22 +4,22 @@ build-backend = "hatchling.build"
 
 [project]
 name = "bec_widgets"
-version = "2.38.2"
+version = "2.45.6"
 description = "BEC Widgets"
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 classifiers = [
     "Development Status :: 3 - Alpha",
     "Programming Language :: Python :: 3",
     "Topic :: Scientific/Engineering",
 ]
 dependencies = [
-    "bec_ipython_client~=3.52", # needed for jupyter console
-    "bec_lib~=3.52",
+    "bec_ipython_client~=3.70", # needed for jupyter console
+    "bec_lib~=3.70",
     "bec_qthemes~=0.7, >=0.7",
     "black~=25.0",              # needed for bw-generate-cli
     "isort~=5.13, >=5.13.2",    # needed for bw-generate-cli
     "pydantic~=2.0",
-    "pyqtgraph~=0.13",
+    "pyqtgraph==0.13.7",
     "PySide6==6.9.0",
     "qtconsole~=5.5, >=5.5.1",  # needed for jupyter console
     "qtpy~=2.4",
@@ -32,7 +32,6 @@ dependencies = [
 dev = [
     "coverage~=7.0",
     "fakeredis~=2.23, >=2.23.2",
-    "isort~=5.13, >=5.13.2",
     "pytest-bec-e2e>=2.21.4, <=4.0",
     "pytest-qt~=4.4",
     "pytest-random-order~=1.1",

tests/end-2-end/test_plotting_framework_e2e.py

@@ -286,3 +286,85 @@ def test_waveform_passing_device(qtbot, bec_client_lib, connected_client_gui_obj
     # check plotted data
     x_data, y_data = c1.get_data()
     assert np.array_equal(y_data, last_scan_data.devices.samx.samx_setpoint.read().get("value"))
+
+
+@pytest.mark.timeout(120)
+@pytest.mark.parametrize(
+    "history_selector", ["scan_id", "scan_number"]
+)  # ensure unique curves per run
+def test_rpc_waveform_history_curve(
+    qtbot, bec_client_lib, connected_client_gui_obj, history_selector
+):
+    """
+    E2E test for the new history curve feature:
+    - Run 3 scans
+    - For each scan, fetch history curve data using either scan_id OR scan_number (parametrized)
+    - Compare waveform data with BEC client scan data
+    Note: Parameterization prevents adding the same logical curve twice (which would collide on label).
+    """
+    gui = connected_client_gui_obj
+    dock = gui.bec
+    client = bec_client_lib
+    dev = client.device_manager.devices
+    scans = client.scans
+    queue = client.queue
+
+    wf = dock.new("wf_dock").new("Waveform")
+
+    # Collect references for validation
+    scan_meta = []  # list of dicts with scan_id, scan_number, data
+
+    # Run 3 scans and collect their metadata and data
+    for i in range(3):
+        status = scans.line_scan(dev.samx, -5 + i, 5 + i, steps=10, exp_time=0.01, relative=False)
+        status.wait()
+
+        # Wait until the history entry appears and corresponds to this scan
+        def _wait_for_scan_in_history():
+            if len(client.history) == 0:
+                return False
+            return client.history[-1].metadata.bec.get("scan_id", None) == status.scan.scan_id
+
+        qtbot.waitUntil(_wait_for_scan_in_history, timeout=10000)
+
+        hist_item = client.history[-1]
+        item = queue.scan_storage.storage[-1]
+        data = item.live_data if hasattr(item, "live_data") else item.data
+        scan_meta.append(
+            {
+                "scan_id": hist_item.metadata.bec.get("scan_id"),
+                "scan_number": hist_item.metadata.bec.get("scan_number"),
+                "data": data,
+            }
+        )
+
+    # For each scan, fetch history curve by the chosen selector and compare to client data
+    for meta in scan_meta:
+        sel_value = meta[history_selector]
+        scan_data = meta["data"]
+
+        # Add curve from history using the chosen selector; single curve per scan to avoid duplicates
+        kwargs = {history_selector: sel_value}
+        curve = wf.plot(x_name="samx", y_name="bpm4i", **kwargs)
+
+        num_elements = 10
+
+        # Wait until curve has the expected number of points
+        def _curve_ready():
+            try:
+                x, y = curve.get_data()
+            except Exception:
+                return False
+            return x is not None and len(x) == num_elements and len(y) == num_elements
+
+        qtbot.waitUntil(_curve_ready, timeout=10000)
+
+        # Get plotted data
+        x_vals, y_vals = curve.get_data()
+
+        # Compare against BEC client scan data
+        np.testing.assert_equal(x_vals, np.array(scan_data["samx"]["samx"].val))
+        np.testing.assert_equal(y_vals, np.array(scan_data["bpm4i"]["bpm4i"].val))
+
+        # Clean up
+        curve.remove()

tests/end-2-end/user_interaction/test_user_interaction_e2e.py

@@ -371,6 +371,13 @@ def test_widgets_e2e_image(qtbot, connected_client_gui_obj, random_generator_fro
     )  # Get last image from Redis monitor 2D endpoint
     assert np.allclose(img.get_data(), last_img)
 
+    # Now add a device with a preview signal
+    img = widget.image(["eiger", "preview"])
+    s = scans.line_scan(dev.samx, -3, 3, steps=50, exp_time=0.01, relative=False)
+    s.wait()
+
+    qtbot.waitUntil(_wait_for_scan_in_history, timeout=7000)
+
     # Test removing the widget, or leaving it open for the next test
     maybe_remove_dock_area(qtbot, gui=gui, random_int_gen=random_generator_from_seed)
 
@@ -577,6 +584,13 @@ def test_widgets_e2e_ring_progress_bar(qtbot, connected_client_gui_obj, random_g
     dock: client.BECDock
     widget: client.RingProgressBar
 
+    widget.set_number_of_bars(3)
+    widget.rings[0].set_update("manual")
+    widget.rings[0].set_value(30)
+    widget.rings[0].set_min_max_values(0, 100)
+    widget.rings[1].set_update("scan")
+    widget.rings[2].set_update("device", device="samx")
+
     # Test rpc calls
     dev = bec.device_manager.devices
     scans = bec.scans

tests/unit_tests/client_mocks.py

@@ -7,11 +7,12 @@ import pytest
 from bec_lib.bec_service import messages
 from bec_lib.endpoints import MessageEndpoints
 from bec_lib.redis_connector import RedisConnector
+from bec_lib.scan_history import ScanHistory
 
 from bec_widgets.tests.utils import DEVICES, DMMock, FakePositioner, Positioner
 
 
-def fake_redis_server(host, port):
+def fake_redis_server(host, port, **kwargs):
     redis = fakeredis.FakeRedis()
     return redis
 
@@ -238,3 +239,18 @@ def create_dummy_scan_item():
         "scan_report_devices": ["samx"],
     }
     return dummy_scan
+
+
+def inject_scan_history(widget, scan_history_factory, *history_args):
+    """
+    Helper to inject scan history messages into client history.
+    """
+    history_msgs = []
+    for scan_id, scan_number in history_args:
+        history_msgs.append(scan_history_factory(scan_id=scan_id, scan_number=scan_number))
+    widget.client.history = ScanHistory(widget.client, False)
+    for msg in history_msgs:
+        widget.client.history._scan_data[msg.scan_id] = msg
+        widget.client.history._scan_ids.append(msg.scan_id)
+    widget.client.queue.scan_storage.current_scan = None
+    return history_msgs

tests/unit_tests/conftest.py

@@ -5,8 +5,9 @@ import h5py
 import numpy as np
 import pytest
 from bec_lib import messages
+from bec_lib.messages import _StoredDataInfo
 from pytestqt.exceptions import TimeoutError as QtBotTimeoutError
-from qtpy.QtWidgets import QApplication
+from qtpy.QtWidgets import QApplication, QMessageBox
 
 from bec_widgets.cli.rpc.rpc_register import RPCRegister
 from bec_widgets.utils import bec_dispatcher as bec_dispatcher_module
@@ -69,6 +70,14 @@ def clean_singleton():
     error_popups._popup_utility_instance = None
 
 
+@pytest.fixture(autouse=True)
+def suppress_message_box(monkeypatch):
+    """
+    Auto-suppress any QMessageBox.exec_ calls by returning Ok immediately.
+    """
+    monkeypatch.setattr(QMessageBox, "exec_", lambda *args, **kwargs: QMessageBox.Ok)
+
+
 def create_widget(qtbot, widget, *args, **kwargs):
     """
     Create a widget and add it to the qtbot for testing. This is a helper function that
@@ -115,9 +124,25 @@ def create_history_file(file_path, data: dict, metadata: dict) -> messages.ScanH
                     elif isinstance(sub_value, dict):
                         for sub_sub_key, sub_sub_value in sub_value.items():
                             sub_sub_group = metadata_bec[key].create_group(sub_key)
+                            # Handle _StoredDataInfo objects
+                            if isinstance(sub_sub_value, _StoredDataInfo):
+                                # Store the numeric shape
+                                sub_sub_group.create_dataset("shape", data=sub_sub_value.shape)
+                                # Store the dtype as a UTF-8 string
+                                dt = sub_sub_value.dtype or ""
+                                sub_sub_group.create_dataset(
+                                    "dtype", data=dt, dtype=h5py.string_dtype(encoding="utf-8")
+                                )
+                                continue
                             if isinstance(sub_sub_value, list):
-                                sub_sub_value = json.dumps(sub_sub_value)
-                            sub_sub_group.create_dataset(sub_sub_key, data=sub_sub_value)
+                                json_val = json.dumps(sub_sub_value)
+                                sub_sub_group.create_dataset(sub_sub_key, data=json_val)
+                            elif isinstance(sub_sub_value, dict):
+                                for k2, v2 in sub_sub_value.items():
+                                    val = json.dumps(v2) if isinstance(v2, list) else v2
+                                    sub_sub_group.create_dataset(k2, data=val)
+                            else:
+                                sub_sub_group.create_dataset(sub_sub_key, data=sub_sub_value)
                     else:
                         metadata_bec[key].create_dataset(sub_key, data=sub_value)
             else:
@@ -144,6 +169,8 @@ def create_history_file(file_path, data: dict, metadata: dict) -> messages.ScanH
         end_time=time.time(),
         num_points=metadata["num_points"],
         request_inputs=metadata["request_inputs"],
+        stored_data_info=metadata.get("stored_data_info"),
+        metadata={"scan_report_devices": metadata.get("scan_report_devices")},
     )
     return msg
 
@@ -194,3 +221,102 @@ def grid_scan_history_msg(tmpdir):
 
     file_path = str(tmpdir.join("scan_1.h5"))
     return create_history_file(file_path, data, metadata)
+
+
+@pytest.fixture
+def scan_history_factory(tmpdir):
+    """
+    Factory to create scan history messages with custom parameters.
+    Usage:
+        msg1 = scan_history_factory(scan_id="id1", scan_number=1, num_points=10)
+        msg2 = scan_history_factory(scan_id="id2", scan_number=2, scan_name="grid_scan", num_points=16)
+    """
+
+    def _factory(
+        scan_id: str = "test_scan",
+        scan_number: int = 1,
+        dataset_number: int = 1,
+        scan_name: str = "line_scan",
+        scan_type: str = "step",
+        num_points: int = 10,
+        x_range: tuple = (-5, 5),
+        y_range: tuple = (-5, 5),
+    ):
+        # Generate positions based on scan type
+        if scan_name == "grid_scan":
+            grid_size = int(np.sqrt(num_points))
+            x_grid, y_grid = np.meshgrid(
+                np.linspace(x_range[0], x_range[1], grid_size),
+                np.linspace(y_range[0], y_range[1], grid_size),
+            )
+            x_flat = x_grid.T.ravel()
+            y_flat = y_grid.T.ravel()
+        else:
+            x_flat = np.linspace(x_range[0], x_range[1], num_points)
+            y_flat = np.linspace(y_range[0], y_range[1], num_points)
+        positions = np.vstack((x_flat, y_flat)).T
+        num_pts = len(positions)
+        # Create dummy data
+        data = {
+            "baseline": {"bpm1a": {"bpm1a": {"value": [1], "timestamp": [100]}}},
+            "monitored": {
+                "bpm4i": {
+                    "bpm4i": {
+                        "value": np.random.rand(num_points),
+                        "timestamp": np.random.rand(num_points),
+                    }
+                },
+                "bpm3a": {
+                    "bpm3a": {
+                        "value": np.random.rand(num_points),
+                        "timestamp": np.random.rand(num_points),
+                    }
+                },
+                "samx": {"samx": {"value": x_flat, "timestamp": np.arange(num_pts)}},
+                "samy": {"samy": {"value": y_flat, "timestamp": np.arange(num_pts)}},
+            },
+            "async": {
+                "async_device": {
+                    "async_device": {
+                        "value": np.random.rand(num_pts * 10),
+                        "timestamp": np.random.rand(num_pts * 10),
+                    }
+                }
+            },
+        }
+        metadata = {
+            "scan_id": scan_id,
+            "scan_name": scan_name,
+            "scan_type": scan_type,
+            "exit_status": "closed",
+            "scan_number": scan_number,
+            "dataset_number": dataset_number,
+            "request_inputs": {
+                "arg_bundle": [
+                    "samx",
+                    x_range[0],
+                    x_range[1],
+                    num_pts,
+                    "samy",
+                    y_range[0],
+                    y_range[1],
+                    num_pts,
+                ],
+                "kwargs": {"relative": True},
+            },
+            "positions": positions.tolist(),
+            "num_points": num_pts,
+            "stored_data_info": {
+                "samx": {"samx": _StoredDataInfo(shape=(num_points,), dtype="float64")},
+                "samy": {"samy": _StoredDataInfo(shape=(num_points,), dtype="float64")},
+                "bpm4i": {"bpm4i": _StoredDataInfo(shape=(10,), dtype="float64")},
+                "async_device": {
+                    "async_device": _StoredDataInfo(shape=(num_points * 10,), dtype="float64")
+                },
+            },
+            "scan_report_devices": [b"samx"],
+        }
+        file_path = str(tmpdir.join(f"{scan_id}.h5"))
+        return create_history_file(file_path, data, metadata)
+
+    return _factory

tests/unit_tests/test_client_plugin_widgets.py

@@ -28,8 +28,7 @@ def test_plugins_dont_clobber_client_globals(bec_logger: MagicMock):
     bec_logger.logger.warning.assert_called_with(
         "Plugin widget Widgets from namespace(Widgets=<class 'tests.unit_tests.test_client_plugin_widgets._TestGlobalPlugin'>) conflicts with a built-in class!"
     )
-    if sys.version_info >= (3, 11):  # No EnumType in python3.10
-        assert isinstance(client.Widgets, enum.EnumType)
+    assert isinstance(client.Widgets, enum.EnumType)
 
 
 class _TestDuplicatePlugin(RPCBase): ...

tests/unit_tests/test_crosshair.py

@@ -193,21 +193,6 @@ def test_crosshair_changed_signal(plot_widget_with_crosshair):
     assert np.isclose(y, 5)
 
 
-def test_marker_positions_after_mouse_move(plot_widget_with_crosshair):
-    crosshair, plot_item = plot_widget_with_crosshair
-
-    pos_in_view = QPointF(2, 5)
-    pos_in_scene = plot_item.vb.mapViewToScene(pos_in_view)
-    event_mock = [pos_in_scene]
-
-    crosshair.mouse_moved(event_mock)
-
-    marker = crosshair.marker_moved_1d["Curve 1"]
-    marker_x, marker_y = marker.getData()
-    assert marker_x == [2]
-    assert marker_y == [5]
-
-
 def test_crosshair_clicked_signal(qtbot, plot_widget_with_crosshair):
     crosshair, plot_item = plot_widget_with_crosshair
 

tests/unit_tests/test_curve_settings.py

@@ -2,10 +2,15 @@ import json
 from unittest.mock import MagicMock, patch
 
 import pytest
+from bec_lib.scan_history import ScanHistory
+from qtpy.QtGui import QValidator
 from qtpy.QtWidgets import QComboBox, QVBoxLayout
 
 from bec_widgets.widgets.plots.waveform.settings.curve_settings.curve_setting import CurveSetting
-from bec_widgets.widgets.plots.waveform.settings.curve_settings.curve_tree import CurveTree
+from bec_widgets.widgets.plots.waveform.settings.curve_settings.curve_tree import (
+    CurveTree,
+    ScanIndexValidator,
+)
 from bec_widgets.widgets.plots.waveform.waveform import Waveform
 from tests.unit_tests.client_mocks import dap_plugin_message, mocked_client, mocked_client_with_dap
 from tests.unit_tests.conftest import create_widget
@@ -155,7 +160,7 @@ def test_curve_tree_init(curve_tree_fixture):
     curve_tree, wf = curve_tree_fixture
     assert curve_tree.waveform == wf
     assert curve_tree.color_palette == "plasma"
-    assert curve_tree.tree.columnCount() == 7
+    assert curve_tree.tree.columnCount() == 8
 
     assert curve_tree.toolbar.components.exists("add")
     assert curve_tree.toolbar.components.exists("expand")
@@ -374,3 +379,54 @@ def test_export_data_dap(curve_tree_fixture):
     assert exported["signal"]["entry"] == "bpm4i"
     assert exported["signal"]["dap"] == "GaussianModel"
     assert exported["label"] == "bpm4i-bpm4i-GaussianModel"
+
+
+def test_scan_index_validator_behavior():
+    """
+    Test ScanIndexValidator allows empty, 'live', partial 'live', valid scan numbers,
+    and rejects invalid or disallowed inputs under the new allowed-set API.
+    """
+    validator = ScanIndexValidator(allowed_scans={1, 2, 3})
+
+    def state(txt):
+        s, _, _ = validator.validate(txt, 0)
+        return s
+
+    assert state("") == QValidator.State.Acceptable
+    assert state("live") == QValidator.State.Acceptable
+    assert state("l") == QValidator.State.Intermediate
+    assert state("liv") == QValidator.State.Intermediate
+    assert state("1") == QValidator.State.Acceptable
+    assert state("3") == QValidator.State.Acceptable
+    assert state("4") == QValidator.State.Invalid
+    assert state("0") == QValidator.State.Invalid
+    assert state("abc") == QValidator.State.Invalid
+
+
+def test_export_data_history_curve(curve_tree_fixture, scan_history_factory):
+    """
+    Test that export_data for a history curve row correctly serializes scan_number
+    and resets scan_id when a numeric scan is selected.
+    """
+    curve_tree, wf = curve_tree_fixture
+    # Inject two history scans into the waveform client
+    msgs = [
+        scan_history_factory(scan_id="hid1", scan_number=1),
+        scan_history_factory(scan_id="hid2", scan_number=2),
+    ]
+    wf.client.history = ScanHistory(wf.client, False)
+    for m in msgs:
+        wf.client.history._scan_data[m.scan_id] = m
+        wf.client.history._scan_ids.append(m.scan_id)
+        wf.client.history._scan_numbers.append(m.scan_number)
+    wf.client.queue.scan_storage.current_scan = None
+
+    # Create a device row and select scan index "2"
+    device_row = curve_tree.add_new_curve(name="bpm4i", entry="bpm4i")
+    device_row.scan_index_combo.setCurrentText("2")
+
+    exported = device_row.export_data()
+    assert exported["source"] == "history"
+    assert exported["scan_number"] == 2
+    assert exported["scan_id"] is None
+    assert exported["label"] == "bpm4i-bpm4i-scan-2"

tests/unit_tests/test_device_config_form_dialog.py

@@ -137,6 +137,7 @@ def test_update_cycle(update_dialog, qtbot):
                 "description": None,
                 "readOnly": False,
                 "softwareTrigger": False,
+                "onFailure": "retry",
                 "deviceTags": set(),
                 "userParameter": {},
                 "name": "test_device",

tests/unit_tests/test_generated_form_items.py

@@ -9,7 +9,6 @@ from bec_widgets.utils.forms_from_types.items import FormItemSpec, ListFormItem
 from bec_widgets.utils.widget_io import WidgetIO
 
 
-@pytest.mark.skipif(sys.version_info < (3, 11), reason="Generic types don't support this in 3.10")
 @pytest.mark.parametrize(
     ["input", "validity"],
     [

tests/unit_tests/test_image_roi_tree.py

@@ -29,6 +29,14 @@ def roi_tree(qtbot, image_widget):
     yield tree
 
 
+@pytest.fixture
+def compact_roi_tree(qtbot, image_widget):
+    tree = create_widget(
+        qtbot, ROIPropertyTree, image_widget=image_widget, compact=True, compact_color="#00BCD4"
+    )
+    yield tree
+
+
 def test_initialization(roi_tree, image_widget):
     """Test that the widget initializes correctly with the right components."""
     # Check the widget has the right structure
@@ -431,3 +439,120 @@ def test_cleanup_disconnect_signals(roi_tree, image_widget):
     # Verify that the tree item was not updated
     assert item.text(roi_tree.COL_ROI) == initial_name
     assert item.child(2).text(roi_tree.COL_PROPS) == initial_coord
+
+
+def test_compact_initialization_minimal_toolbar(compact_roi_tree):
+    assert compact_roi_tree.compact is True
+    assert compact_roi_tree.tree is None
+
+    # Draw actions exist
+    assert compact_roi_tree.toolbar.components.get_action("roi_rectangle")
+    assert compact_roi_tree.toolbar.components.get_action("roi_circle")
+    assert compact_roi_tree.toolbar.components.get_action("roi_ellipse")
+
+    # Full-mode actions are absent
+    import pytest
+
+    with pytest.raises(KeyError):
+        compact_roi_tree.toolbar.components.get_action("expand_toggle")
+    with pytest.raises(KeyError):
+        compact_roi_tree.toolbar.components.get_action("lock_unlock_all")
+    with pytest.raises(KeyError):
+        compact_roi_tree.toolbar.components.get_action("roi_tree_cmap")
+
+    assert not hasattr(compact_roi_tree, "lock_all_action")
+
+
+def test_compact_single_roi_enforced_programmatic(compact_roi_tree, image_widget):
+    # Add first ROI
+    roi1 = image_widget.add_roi(kind="rect", name="r1")
+    assert len(image_widget.roi_controller.rois) == 1
+    assert roi1.line_color == "#00BCD4"
+
+    # Add second ROI; the first should be removed automatically
+    roi2 = image_widget.add_roi(kind="circle", name="c1")
+    rois = image_widget.roi_controller.rois
+    assert len(rois) == 1
+    assert rois[0] is roi2
+
+    from bec_widgets.widgets.plots.roi.image_roi import CircularROI
+
+    assert isinstance(rois[0], CircularROI)
+    assert rois[0].line_color == "#00BCD4"
+
+
+def test_compact_add_roi_from_toolbar_single_enforced(qtbot, compact_roi_tree, image_widget):
+    # Ensure view is ready
+    plot_item = image_widget.plot_item
+    view = plot_item.vb.scene().views()[0]
+    qtbot.waitExposed(view)
+
+    # Activate rectangle drawing
+    rect_action = compact_roi_tree.toolbar.components.get_action("roi_rectangle").action
+    rect_action.setChecked(True)
+
+    # Draw rectangle
+    start_pos = QPointF(10, 10)
+    end_pos = QPointF(50, 40)
+    start_scene = plot_item.vb.mapViewToScene(start_pos)
+    end_scene = plot_item.vb.mapViewToScene(end_pos)
+    start_widget = view.mapFromScene(start_scene)
+    end_widget = view.mapFromScene(end_scene)
+    qtbot.mousePress(view.viewport(), Qt.LeftButton, pos=start_widget)
+    qtbot.mouseMove(view.viewport(), pos=end_widget)
+    qtbot.mouseRelease(view.viewport(), Qt.LeftButton, pos=end_widget)
+    qtbot.wait(100)
+
+    rois = image_widget.roi_controller.rois
+    from bec_widgets.widgets.plots.roi.image_roi import CircularROI, RectangularROI
+
+    assert len(rois) == 1
+    assert isinstance(rois[0], RectangularROI)
+    assert rois[0].line_color == "#00BCD4"
+
+    # Now draw a circle; rectangle should be removed automatically
+    rect_action.setChecked(False)
+    circle_action = compact_roi_tree.toolbar.components.get_action("roi_circle").action
+    circle_action.setChecked(True)
+
+    start_pos = QPointF(20, 20)
+    end_pos = QPointF(40, 40)
+    start_scene = plot_item.vb.mapViewToScene(start_pos)
+    end_scene = plot_item.vb.mapViewToScene(end_pos)
+    start_widget = view.mapFromScene(start_scene)
+    end_widget = view.mapFromScene(end_scene)
+    qtbot.mousePress(view.viewport(), Qt.LeftButton, pos=start_widget)
+    qtbot.mouseMove(view.viewport(), pos=end_widget)
+    qtbot.mouseRelease(view.viewport(), Qt.LeftButton, pos=end_widget)
+    qtbot.wait(100)
+
+    rois = image_widget.roi_controller.rois
+    assert len(rois) == 1
+    assert isinstance(rois[0], CircularROI)
+    assert rois[0].line_color == "#00BCD4"
+
+
+def test_compact_draw_mode_toggle(compact_roi_tree):
+    # Initially no draw mode
+    assert compact_roi_tree._roi_draw_mode is None
+
+    rect_action = compact_roi_tree.toolbar.components.get_action("roi_rectangle").action
+    circle_action = compact_roi_tree.toolbar.components.get_action("roi_circle").action
+
+    # Toggle rect on
+    rect_action.toggle()
+    assert compact_roi_tree._roi_draw_mode == "rect"
+    assert rect_action.isChecked()
+    assert not circle_action.isChecked()
+
+    # Toggle circle on; rect should toggle off
+    circle_action.toggle()
+    assert compact_roi_tree._roi_draw_mode == "circle"
+    assert circle_action.isChecked()
+    assert not rect_action.isChecked()
+
+    # Toggle circle off → none
+    circle_action.toggle()
+    assert compact_roi_tree._roi_draw_mode is None
+    assert not rect_action.isChecked()
+    assert not circle_action.isChecked()

tests/unit_tests/test_image_rois.py

@@ -81,7 +81,7 @@ def test_data_extraction_matches_coordinates(bec_image_widget_with_roi):
 
     # For rectangular ROI: pixel bounding box equals coordinate bbox
     if isinstance(roi, RectangularROI):
-        (x0, y0), (_, _), (_, _), (x1, y1) = roi.get_coordinates(typed=False)
+        (x0, y0), (_, _), (_, _), (x1, y1), *_ = roi.get_coordinates(typed=False)
         # ensure ints inside image shape
         x0, y0, x1, y1 = map(int, (x0, y0, x1, y1))
         expected = widget.main_image.image[y0:y1, x0:x1]

tests/unit_tests/test_main_widnow.py

@@ -191,51 +191,10 @@ def test_bec_weblinks(monkeypatch):
     assert opened_urls == [
         "https://beamline-experiment-control.readthedocs.io/en/latest/",
         "https://bec.readthedocs.io/projects/bec-widgets/en/latest/",
-        "https://gitlab.psi.ch/groups/bec/-/issues/",
+        "https://github.com/bec-project/bec_widgets/issues",
     ]
 
 
-#################################################################
-# Tests for scan‑progress bar animations
-
-
-def test_scan_progress_bar_show_animation(qtbot, bec_main_window):
-    """
-    _show_scan_progress_bar should animate the container's maximumWidth
-    from 0 to the configured target width.
-    """
-    container = bec_main_window._scan_progress_bar_with_separator
-
-    # Pre‑condition: collapsed
-    assert container.maximumWidth() == 0
-
-    bec_main_window._show_scan_progress_bar()
-
-    target = bec_main_window._scan_progress_bar_target_width
-    qtbot.waitUntil(lambda: container.maximumWidth() == target, timeout=2000)
-
-    assert container.maximumWidth() == target
-
-
-def test_scan_progress_bar_hide_animation(qtbot, bec_main_window):
-    """
-    _animate_hide_scan_progress_bar should collapse the container back to 0 width.
-    """
-    container = bec_main_window._scan_progress_bar_with_separator
-
-    # First expand it
-    bec_main_window._show_scan_progress_bar()
-    target = bec_main_window._scan_progress_bar_target_width
-    qtbot.waitUntil(lambda: container.maximumWidth() == target, timeout=2000)
-
-    # Trigger hide animation
-    bec_main_window._animate_hide_scan_progress_bar()
-
-    qtbot.waitUntil(lambda: container.maximumWidth() == 0, timeout=2000)
-
-    assert container.maximumWidth() == 0
-
-
 #################################################################
 # Tests for hover widget and tooltip behaviour
 

tests/unit_tests/test_pdf_viewer.py

@@ -0,0 +1,372 @@
+import pytest
+from qtpy.QtPdf import QPdfDocument
+from qtpy.QtPdfWidgets import QPdfView
+
+from bec_widgets.widgets.utility.pdf_viewer.pdf_viewer import PdfViewerWidget
+
+from .client_mocks import mocked_client
+
+
+@pytest.fixture
+def pdf_viewer_widget(qtbot, mocked_client):
+    """Create a PDF viewer widget for testing."""
+    widget = PdfViewerWidget(client=mocked_client)
+    qtbot.addWidget(widget)
+    qtbot.waitExposed(widget)
+    yield widget
+    widget.cleanup()
+
+
+@pytest.fixture
+def temp_pdf_file(tmpdir):
+    """Create a minimal 3-page PDF file for testing."""
+    pdf_content = b"""%PDF-1.4
+1 0 obj
+<< /Type /Catalog /Pages 2 0 R >>
+endobj
+2 0 obj
+<< /Type /Pages /Kids [3 0 R 5 0 R 7 0 R] /Count 3 >>
+endobj
+
+3 0 obj
+<< /Type /Page /Parent 2 0 R /MediaBox [0 0 612 792] /Contents 4 0 R >>
+endobj
+4 0 obj
+<< /Length 44 >>
+stream
+BT /F1 12 Tf 100 700 Td (Page 1) Tj ET
+endstream
+endobj
+
+5 0 obj
+<< /Type /Page /Parent 2 0 R /MediaBox [0 0 612 792] /Contents 6 0 R >>
+endobj
+6 0 obj
+<< /Length 44 >>
+stream
+BT /F1 12 Tf 100 700 Td (Page 2) Tj ET
+endstream
+endobj
+
+7 0 obj
+<< /Type /Page /Parent 2 0 R /MediaBox [0 0 612 792] /Contents 8 0 R >>
+endobj
+8 0 obj
+<< /Length 44 >>
+stream
+BT /F1 12 Tf 100 700 Td (Page 3) Tj ET
+endstream
+endobj
+
+9 0 obj
+<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica >>
+endobj
+
+xref
+0 10
+0000000000 65535 f 
+0000000010 00000 n 
+0000000060 00000 n 
+0000000125 00000 n 
+0000000205 00000 n 
+0000000282 00000 n 
+0000000362 00000 n 
+0000000439 00000 n 
+0000000519 00000 n 
+0000000596 00000 n 
+trailer
+<< /Size 10 /Root 1 0 R >>
+startxref
+675
+%%EOF
+"""
+
+    pdf_path = tmpdir.join("test_3page.pdf")
+    pdf_path.write_binary(pdf_content)
+    return str(pdf_path)
+
+
+@pytest.fixture
+def temp_pdf_file_2(tmpdir):
+    """Create a second minimal temporary PDF file for testing."""
+    # Create a minimal PDF content for testing
+    pdf_content = b"""%PDF-1.4
+1 0 obj
+<<
+/Type /Catalog
+/Pages 2 0 R
+>>
+endobj
+2 0 obj
+<<
+/Type /Pages
+/Kids [3 0 R]
+/Count 1
+>>
+endobj
+3 0 obj
+<<
+/Type /Page
+/Parent 2 0 R
+/MediaBox [0 0 612 792]
+/Resources <<
+/Font <<
+/F1 <<
+/Type /Font
+/Subtype /Type1
+/BaseFont /Helvetica
+>>
+>>
+>>
+/Contents 4 0 R
+>>
+endobj
+4 0 obj
+<<
+/Length 44
+>>stream
+BT
+/F1 12 Tf
+100 700 Td
+(Second Test PDF) Tj
+ET
+endstream
+endobj
+xref
+0 5
+0000000000 65535 f 
+0000000009 00000 n 
+0000000058 00000 n 
+0000000115 00000 n 
+0000000307 00000 n 
+trailer
+<<
+/Size 5
+/Root 1 0 R
+>>
+startxref
+398
+%%EOF"""
+    # Create temporary PDF file using tmpdir
+    pdf_file = tmpdir.join("test2.pdf")
+    pdf_file.write_binary(pdf_content)
+    return str(pdf_file)
+
+
+def test_initialization(pdf_viewer_widget: PdfViewerWidget):
+    """Test that the widget initializes correctly."""
+    widget = pdf_viewer_widget
+
+    # Check basic widget setup
+    assert widget is not None
+    assert hasattr(widget, "pdf_view")
+    assert hasattr(widget, "toolbar")
+    assert hasattr(widget, "_pdf_document")
+
+    # Check initial state
+    assert widget._current_file_path is None
+    assert widget._page_spacing == 5
+    assert widget._side_margins == 10
+
+    # Check PDF view setup
+    assert isinstance(widget.pdf_view, QPdfView)
+    assert widget.pdf_view.zoomMode() == QPdfView.ZoomMode.FitToWidth
+
+    # Check PDF document setup
+    assert isinstance(widget._pdf_document, QPdfDocument)
+
+
+def test_toolbar_setup(pdf_viewer_widget: PdfViewerWidget):
+    """Test that toolbar is set up with all expected actions."""
+    widget = pdf_viewer_widget
+    toolbar = widget.toolbar
+
+    # Check that all expected actions exist
+    expected_actions = [
+        "open_file",
+        "zoom_in",
+        "zoom_out",
+        "fit_width",
+        "fit_page",
+        "reset_zoom",
+        "continuous_scroll",
+        "prev_page",
+        "next_page",
+        "page_jump",
+    ]
+
+    for action_name in expected_actions:
+        assert toolbar.components.exists(action_name), f"Action {action_name} not found"
+
+
+def test_load_pdf_file(qtbot, pdf_viewer_widget: PdfViewerWidget, temp_pdf_file, temp_pdf_file_2):
+    """Test loading a PDF file into the viewer."""
+    widget = pdf_viewer_widget
+
+    # Load the temporary PDF file
+    widget.load_pdf(temp_pdf_file)
+    qtbot.wait(100)  # Wait for loading
+
+    # Check that the document is loaded
+    assert widget._pdf_document.status() == QPdfDocument.Status.Ready
+    assert widget._pdf_document.pageCount() > 0
+    assert widget._current_file_path == temp_pdf_file
+
+    # Load a second PDF file to test reloading
+    widget.load_pdf(temp_pdf_file_2)
+    qtbot.wait(100)  # Wait for loading
+
+    # Check that the new document is loaded
+    assert widget._pdf_document.status() == QPdfDocument.Status.Ready
+    assert widget._pdf_document.pageCount() > 0
+    assert widget._current_file_path == temp_pdf_file_2
+
+    assert widget.current_file_path == temp_pdf_file_2
+
+    widget.current_file_path = temp_pdf_file
+    qtbot.wait(100)  # Wait for loading
+    assert widget.current_file_path == temp_pdf_file
+
+
+def test_load_invalid_pdf_file(qtbot, pdf_viewer_widget: PdfViewerWidget, tmpdir):
+    """Test loading an invalid PDF file into the viewer."""
+    widget = pdf_viewer_widget
+
+    # Try to open a non-existent file
+    invalid_pdf_file = tmpdir.join("non_existent.pdf")
+
+    # Attempt to load the invalid PDF file
+    with pytest.raises(FileNotFoundError):
+        widget.load_pdf(str(invalid_pdf_file), _override_slot_params={"raise_error": True})
+
+
+def test_page_navigation(qtbot, pdf_viewer_widget: PdfViewerWidget, temp_pdf_file):
+    """Test page navigation functionality."""
+    widget = pdf_viewer_widget
+
+    # Load the temporary PDF file
+    with qtbot.waitSignal(widget.document_ready, timeout=2000):
+        widget.load_pdf(temp_pdf_file)
+
+    # Check initial page
+    assert widget.current_page == 1
+    total_pages = widget._pdf_document.pageCount()
+    assert total_pages >= 1
+
+    # Navigate to next page
+    widget.next_page()
+    qtbot.wait(300)
+    assert widget.current_page == 2
+
+    # Navigate to previous page
+    widget.previous_page()
+    qtbot.wait(300)
+    assert widget.current_page == 1
+
+    # Jump to last page
+    widget.jump_to_page(total_pages)
+    qtbot.wait(300)
+    assert widget.current_page == total_pages
+
+    widget.jump_to_page(1)
+    qtbot.wait(300)
+    assert widget.current_page == 1
+
+    widget.jump_to_page(2)
+    qtbot.wait(300)
+    assert widget.current_page == 2
+
+    widget.go_to_last_page()
+    qtbot.wait(300)
+    assert widget.current_page == total_pages
+
+    widget.go_to_first_page()
+    qtbot.wait(300)
+    assert widget.current_page == 1
+
+    widget.page_input.setText(str(total_pages + 10))
+    widget.page_input.returnPressed.emit()
+    qtbot.wait(100)
+    assert widget.current_page == total_pages
+
+
+def test_zoom_controls(qtbot, pdf_viewer_widget: PdfViewerWidget, temp_pdf_file):
+    """Test zoom in, zoom out, fit width, fit page, and reset zoom functionality."""
+    widget = pdf_viewer_widget
+
+    # Load the temporary PDF file
+    with qtbot.waitSignal(widget.document_ready, timeout=2000):
+        widget.load_pdf(temp_pdf_file)
+
+    # Initial zoom mode should be FitToWidth
+    assert widget.pdf_view.zoomMode() == QPdfView.ZoomMode.FitToWidth
+
+    # Zoom in
+    initial_zoom = widget.pdf_view.zoomFactor()
+    widget.zoom_in()
+    qtbot.wait(100)
+    assert widget.pdf_view.zoomFactor() > initial_zoom
+
+    # Zoom out
+    zoom_after_in = widget.pdf_view.zoomFactor()
+    widget.zoom_out()
+    qtbot.wait(100)
+    assert widget.pdf_view.zoomFactor() < zoom_after_in
+
+    # Fit to page
+    widget.fit_to_page()
+    qtbot.wait(100)
+    assert widget.pdf_view.zoomMode() == QPdfView.ZoomMode.FitInView
+
+    # Fit to width
+    widget.fit_to_width()
+    qtbot.wait(100)
+    assert widget.pdf_view.zoomMode() == QPdfView.ZoomMode.FitToWidth
+
+    # Reset zoom
+    widget.reset_zoom()
+    qtbot.wait(100)
+    assert widget.pdf_view.zoomMode() == QPdfView.ZoomMode.Custom
+
+
+def test_page_spacing_and_margins(qtbot, pdf_viewer_widget: PdfViewerWidget, temp_pdf_file):
+    """Test setting page spacing and side margins."""
+    widget = pdf_viewer_widget
+
+    # Load the temporary PDF file
+    with qtbot.waitSignal(widget.document_ready, timeout=2000):
+        widget.load_pdf(temp_pdf_file)
+
+    # Set and verify page spacing
+    widget.page_spacing = 20
+    assert widget.page_spacing == 20
+
+    # Set and verify side margins
+    widget.side_margins = 30
+    assert widget.side_margins == 30
+
+
+def test_toggle_continuous_scroll(qtbot, pdf_viewer_widget: PdfViewerWidget, temp_pdf_file):
+    """Test toggling continuous scroll mode."""
+    widget = pdf_viewer_widget
+
+    # Load the temporary PDF file
+    with qtbot.waitSignal(widget.document_ready, timeout=2000):
+        widget.load_pdf(temp_pdf_file)
+
+    # Initial mode should be single page
+    assert widget.pdf_view.pageMode() == QPdfView.PageMode.SinglePage
+
+    # Toggle to continuous scroll
+    widget.toggle_continuous_scroll(True)
+    qtbot.wait(100)
+    assert widget.pdf_view.pageMode() == QPdfView.PageMode.MultiPage
+
+    # Toggle back to single page
+    widget.toggle_continuous_scroll(False)
+    qtbot.wait(100)
+    assert widget.pdf_view.pageMode() == QPdfView.PageMode.SinglePage
+
+    widget.jump_to_page(2)
+    qtbot.wait(100)
+    assert widget.current_page == 2

tests/unit_tests/test_positioner_box.py

@@ -50,7 +50,7 @@ def positioner_box(qtbot, mocked_client):
 def test_positioner_box(positioner_box):
     """Test init of positioner box"""
     assert positioner_box.device == "samx"
-    data = positioner_box.dev["samx"].read()
+    data = positioner_box.dev["samx"].read(cached=True)
     # Avoid check for Positioner class from BEC in _init_device
 
     setpoint_text = positioner_box.ui.setpoint.text()

tests/unit_tests/test_positioner_box_2d.py

@@ -29,8 +29,8 @@ def test_positioner_box_2d(positioner_box_2d):
     """Test init of 2D positioner box"""
     assert positioner_box_2d.device_hor == "samx"
     assert positioner_box_2d.device_ver == "samy"
-    data_hor = positioner_box_2d.dev["samx"].read()
-    data_ver = positioner_box_2d.dev["samy"].read()
+    data_hor = positioner_box_2d.dev["samx"].read(cached=True)
+    data_ver = positioner_box_2d.dev["samy"].read(cached=True)
     # Avoid check for Positioner class from BEC in _init_device
 
     setpoint_hor_text = positioner_box_2d.ui.setpoint_hor.text()
@@ -80,3 +80,60 @@ def test_positioner_box_setpoint_changes(positioner_box_2d: PositionerBox2D):
         positioner_box_2d.ui.setpoint_ver.setText("100")
         positioner_box_2d.on_setpoint_change_ver()
         mock_move.assert_called_once_with(100, relative=False)
+
+
+def _hor_buttons(widget: PositionerBox2D):
+    return [
+        widget.ui.tweak_increase_hor,
+        widget.ui.tweak_decrease_hor,
+        widget.ui.step_increase_hor,
+        widget.ui.step_decrease_hor,
+    ]
+
+
+def _ver_buttons(widget: PositionerBox2D):
+    return [
+        widget.ui.tweak_increase_ver,
+        widget.ui.tweak_decrease_ver,
+        widget.ui.step_increase_ver,
+        widget.ui.step_decrease_ver,
+    ]
+
+
+def test_controls_default_enabled(positioner_box_2d: PositionerBox2D):
+    """By default both axes controls are enabled and UI reflects it."""
+    assert positioner_box_2d.enable_controls_hor is True
+    assert positioner_box_2d.enable_controls_ver is True
+    assert all(w.isEnabled() for w in _hor_buttons(positioner_box_2d))
+    assert all(w.isEnabled() for w in _ver_buttons(positioner_box_2d))
+
+
+def test_disable_enable_controls_and_persist_across_device_change(
+    positioner_box_2d: PositionerBox2D, qtbot
+):
+    """Disabling an axis should disable its buttons and remain disabled after device (re)binding."""
+    # Disable horizontal and verify UI
+    positioner_box_2d.enable_controls_hor = False
+    assert positioner_box_2d.enable_controls_hor is False
+    assert all(not w.isEnabled() for w in _hor_buttons(positioner_box_2d))
+
+    # Simulate a horizontal device change; state must persist after queued re-apply
+    positioner_box_2d.on_device_change_hor("samx", "samx")
+    qtbot.waitUntil(lambda: all(not w.isEnabled() for w in _hor_buttons(positioner_box_2d)))
+
+    # Re-enable and verify UI
+    positioner_box_2d.enable_controls_hor = True
+    qtbot.waitUntil(lambda: all(w.isEnabled() for w in _hor_buttons(positioner_box_2d)))
+
+    # Disable vertical and verify UI
+    positioner_box_2d.enable_controls_ver = False
+    assert positioner_box_2d.enable_controls_ver is False
+    assert all(not w.isEnabled() for w in _ver_buttons(positioner_box_2d))
+
+    # Simulate a vertical device change; state must persist after queued re-apply
+    positioner_box_2d.on_device_change_ver("samy", "samy")
+    qtbot.waitUntil(lambda: all(not w.isEnabled() for w in _ver_buttons(positioner_box_2d)))
+
+    # Re-enable and verify UI
+    positioner_box_2d.enable_controls_ver = True
+    qtbot.waitUntil(lambda: all(w.isEnabled() for w in _ver_buttons(positioner_box_2d)))

tests/unit_tests/test_serializer.py

@@ -21,7 +21,6 @@ def test_multiple_extension_registration():
     """
     Test that multiple extension registrations do not cause issues.
     """
-    assert serialization.module_is_registered("bec_widgets.utils.serialization")
+    assert msgpack.is_registered(QPointF)
     serialization.register_serializer_extension()
-    assert serialization.module_is_registered("bec_widgets.utils.serialization")
-    assert len(msgpack._encoder) == len(set(msgpack._encoder))
+    assert msgpack.is_registered(QPointF)

tests/unit_tests/test_waveform.py

@@ -10,22 +10,19 @@ import pyqtgraph as pg
 import pytest
 from pyqtgraph.graphicsItems.DateAxisItem import DateAxisItem
 from qtpy.QtCore import QTimer
-from qtpy.QtWidgets import (
-    QApplication,
-    QCheckBox,
-    QDialog,
-    QDialogButtonBox,
-    QDoubleSpinBox,
-    QSpinBox,
-)
+from qtpy.QtWidgets import QApplication, QCheckBox, QDialog, QDialogButtonBox, QDoubleSpinBox
 
 from bec_widgets.widgets.plots.plot_base import UIMode
 from bec_widgets.widgets.plots.waveform.curve import DeviceSignal
 from bec_widgets.widgets.plots.waveform.waveform import Waveform
+from bec_widgets.widgets.services.scan_history_browser.scan_history_browser import (
+    ScanHistoryBrowser,
+)
 from tests.unit_tests.client_mocks import (
     DummyData,
     create_dummy_scan_item,
     dap_plugin_message,
+    inject_scan_history,
     mocked_client,
     mocked_client_with_dap,
 )
@@ -482,6 +479,43 @@ def test_add_dap_curve(qtbot, mocked_client_with_dap, monkeypatch):
     assert dap_curve.config.signal.dap == "GaussianModel"
 
 
+def test_add_dap_curve_custom_source(qtbot, mocked_client_with_dap):
+    """
+    Ensure that custom curves can also serve as parents for DAP fits.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client_with_dap)
+    x = np.linspace(-1, 1, 50)
+    y = np.sin(x)
+    custom_curve = wf.plot(x=x, y=y, label="custom-curve")
+
+    dap_curve = wf.add_dap_curve(device_label=custom_curve.name(), dap_name="GaussianModel")
+    assert dap_curve.config.source == "dap"
+    assert dap_curve.config.parent_label == custom_curve.name()
+    assert dap_curve.config.signal.name == custom_curve.name()
+    assert dap_curve.config.signal.entry == "custom"
+    assert dap_curve.config.signal.dap == "GaussianModel"
+
+
+def test_curve_set_data_emits_dap_update(qtbot, mocked_client):
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    c = wf.plot(x=[1, 2, 3], y=[4, 5, 6], label="test_curve")
+    with qtbot.waitSignal(wf.request_dap_update):
+        c.set_data([7, 8, 9], [10, 11, 12])
+
+
+def test_plot_custom_curve_with_inline_dap(qtbot, mocked_client_with_dap):
+    """
+    Supplying the `dap` kwarg when plotting custom data should auto-create the fit curve.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client_with_dap)
+    curve = wf.plot(x=[0, 1, 2], y=[1, 2, 3], label="custom-inline", dap="GaussianModel")
+
+    dap_curve = wf.get_curve(f"{curve.name()}-GaussianModel")
+    assert dap_curve is not None
+    assert dap_curve.config.parent_label == curve.name()
+    assert dap_curve.config.signal.dap == "GaussianModel"
+
+
 def test_fetch_scan_data_and_access(qtbot, mocked_client, monkeypatch):
     """
     Test the _fetch_scan_data_and_access method returns live_data/val if in a live scan,
@@ -841,6 +875,33 @@ def test_show_dap_summary_popup(qtbot, mocked_client):
     assert fit_action.isChecked() is False
 
 
+def test_show_scan_history_popup(qtbot, mocked_client):
+    """
+    Test that show_scan_history_popup displays the scan history browser dialog
+    and toggles the toolbar action correctly.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    scan_action = wf.toolbar.components.get_action("scan_history").action
+    # Initially unchecked and no dialog
+    assert not scan_action.isChecked()
+    assert wf.scan_history_dialog is None
+
+    # Show the popup
+    wf.show_scan_history_popup()
+    # Dialog should exist and be visible, action checked
+    assert wf.scan_history_dialog is not None
+    assert wf.scan_history_dialog.isVisible()
+    assert scan_action.isChecked()
+    # The embedded widget should be the correct type
+    assert isinstance(wf.scan_history_widget, ScanHistoryBrowser)
+
+    # Close the dialog (triggers _scan_history_closed)
+    wf.scan_history_dialog.close()
+    # Dialog reference should be cleared and action unchecked
+    assert wf.scan_history_dialog is None
+    assert not scan_action.isChecked()
+
+
 #####################################################
 # The following tests are for the async dataset guard
 #####################################################
@@ -1063,3 +1124,187 @@ def test_dialog_reject_real_interaction(qtbot, mocked_client):
     assert wf.skip_large_dataset_warning is True
     # Limit remains unchanged
     assert wf.max_dataset_size_mb == 1
+
+
+def test_update_with_scan_history_by_index(qtbot, mocked_client, scan_history_factory):
+    """
+    Test that update_with_scan_history by index loads the correct historical scan.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    hist1, hist2 = inject_scan_history(wf, scan_history_factory, ("hist1", 1), ("hist2", 2))
+
+    assert len(wf.client.history._scan_ids) == 2, "Expected two history scans"
+
+    # Do history curve plotting
+    wf.plot(y_name="bpm4i", y_entry="bpm4i", scan_id="hist1")
+    wf.plot(y_name="bpm4i", scan_number=2)
+
+    assert len(wf.plot_item.curves) == 2, "Expected two curves for history scans"
+    c1, c2 = wf.plot_item.curves
+    # First curve should be for hist1, second for hist2
+    assert c1.config.signal.name == "bpm4i"
+    assert c1.config.signal.entry == "bpm4i"
+    assert c1.config.scan_id == "hist1"
+    assert c1.config.scan_number == 1
+    assert c1.name() == "bpm4i-bpm4i-scan-1"
+
+    assert c2.config.signal.name == "bpm4i"
+    assert c2.config.signal.entry == "bpm4i"
+    assert c2.config.scan_id == "hist2"
+    assert c2.config.scan_number == 2
+    assert c2.name() == "bpm4i-bpm4i-scan-2"
+
+
+@pytest.mark.parametrize("mode", ["auto", "timestamp", "index", "samx"])
+def test_history_curve_x_modes_pre_plot(qtbot, mocked_client, scan_history_factory, mode):
+    """
+    Test that history curves respect x_mode when set before plotting.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    hist1, hist2 = inject_scan_history(wf, scan_history_factory, ("hist1", 1), ("hist2", 2))
+    wf.x_mode = mode
+    c = wf.plot(y_name="bpm4i", y_entry="bpm4i", scan_id="hist1")
+    assert c.config.current_x_mode == mode
+
+
+@pytest.mark.parametrize("mode", ["auto", "timestamp", "index", "samx"])
+def test_history_curve_x_modes_post_plot(qtbot, mocked_client, scan_history_factory, mode):
+    """
+    Test that changing x_mode after plotting history curves updates the curve on refresh.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    hist1, hist2 = inject_scan_history(wf, scan_history_factory, ("hist1", 1), ("hist2", 2))
+    c = wf.plot(y_name="bpm4i", y_entry="bpm4i", scan_id="hist1")
+    # Change x_mode after plotting
+    wf.x_mode = mode
+    # Refresh history curves
+    wf._refresh_history_curves()
+    assert c.config.current_x_mode == mode
+
+
+def test_history_curve_incompatible_x_mode_hides_curve(qtbot, mocked_client, scan_history_factory):
+    """
+    Test that setting an x_mode not present in stored data hides the history curve.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    wf.x_mode = "nonexistent_device"
+    # Inject history scan for this test
+    [history_msg] = inject_scan_history(wf, scan_history_factory, ("hist_bad", 1))
+    # Plot history curve
+    c = wf.plot(y_name="bpm4i", y_entry="bpm4i", scan_id=history_msg.scan_id)
+    # Curve should be hidden due to incompatible x_mode
+    assert not c.isVisible()
+
+
+def test_fetch_history_data_no_stored_data_raises(
+    qtbot, mocked_client, monkeypatch, suppress_message_box
+):
+    """
+    Test that fetching history data when stored_data_info is missing raises ValueError.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    # Create a dummy scan_item lacking stored_data_info
+    dummy_scan = SimpleNamespace(
+        _msg=SimpleNamespace(stored_data_info=None),
+        devices={},
+        metadata={"bec": {"scan_id": "dummy", "scan_number": 1, "scan_report_devices": []}},
+    )
+    # Force get_history_scan_item to return our dummy
+    monkeypatch.setattr(wf, "get_history_scan_item", lambda scan_id, scan_index: dummy_scan)
+    # Attempt to plot history curve should be suppressed by SafeSlot and return None
+    c = wf.plot(y_name="bpm4i", y_entry="bpm4i", scan_id="dummy", scan_number=1)
+    assert c is None
+    assert len(wf.curves) == 0
+
+
+def test_history_curve_device_missing_returns_none(qtbot, mocked_client, scan_history_factory):
+    """
+    If the y-device is not in stored_data_info, plot should return None.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    wf.x_mode = "index"
+    [history_msg] = inject_scan_history(wf, scan_history_factory, ("hist_dev_missing", 1))
+    c = wf.plot(y_name="non-existing", y_entry="non-existing", scan_id=history_msg.scan_id)
+    assert c is None
+
+
+def test_history_curve_custom_shape_mismatch_hides_curve(
+    qtbot, mocked_client, scan_history_factory
+):
+    """
+    For custom x-mode, if x and y shapes mismatch, curve should be hidden.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    wf.x_mode = "async_device"
+    [history_msg] = inject_scan_history(wf, scan_history_factory, ("hist_custom_shape", 1))
+    # Force shape mismatch for x-data
+    c = wf.plot(y_name="bpm4i", y_entry="bpm4i", scan_id=history_msg.scan_id)
+    assert c is not None
+    assert not c.isVisible()
+
+
+def test_history_curve_index_mode_plots_curve(qtbot, mocked_client, scan_history_factory):
+    """
+    Test that setting x_mode to 'index' plots and shows the history curve correctly.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    wf.x_mode = "index"
+    [history_msg] = inject_scan_history(wf, scan_history_factory, ("hist_index", 1))
+    c = wf.plot(y_name="bpm4i", y_entry="bpm4i", scan_id=history_msg.scan_id)
+    assert c is not None
+    assert c.isVisible()
+    assert c.config.current_x_mode == "index"
+
+
+def test_history_curve_timestamp_mode_plots_curve(qtbot, mocked_client, scan_history_factory):
+    """
+    Test that setting x_mode to 'timestamp' plots and shows the history curve correctly.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    wf.x_mode = "timestamp"
+    [history_msg] = inject_scan_history(wf, scan_history_factory, ("hist_time", 1))
+    c = wf.plot(y_name="bpm4i", y_entry="bpm4i", scan_id=history_msg.scan_id)
+    assert c is not None
+    assert c.isVisible()
+    assert c.config.current_x_mode == "timestamp"
+
+
+def test_history_curve_auto_valid_uses_first_report_device(
+    qtbot, mocked_client, scan_history_factory
+):
+    """
+    Test that 'auto' x_mode uses the first available report device and shows the curve.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    wf.x_mode = "auto"
+    [history_msg] = inject_scan_history(wf, scan_history_factory, ("hist_auto_valid", 1))
+    # Plot history curve
+    c = wf.plot(y_name="bpm4i", y_entry="bpm4i", scan_id=history_msg.scan_id)
+    assert c is not None
+    assert c.isVisible()
+    # Should have fallen back to the first scan_report_device
+    assert c.config.current_x_mode == "auto"
+
+
+def test_history_curve_file_not_found_returns_none(qtbot, mocked_client, scan_history_factory):
+    """
+    If the history file path does not exist, plot should return None.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    wf.x_mode = "index"
+    # Inject a valid history message then corrupt its file_path
+    [history_msg] = inject_scan_history(wf, scan_history_factory, ("bad_file", 1))
+    history_msg.file_path = "/nonexistent/path.h5"
+    c = wf.plot(y_name="bpm4i", y_entry="bpm4i", scan_id=history_msg.scan_id)
+    assert c is None
+
+
+def test_history_curve_scan_not_found_returns_none(qtbot, mocked_client):
+    """
+    If the requested scan_id is not in history, plot should return None.
+    """
+    wf = create_widget(qtbot, Waveform, client=mocked_client)
+    wf.x_mode = "index"
+    # No history scans injected for this widget
+    c = wf.plot(y_name="bpm4i", y_entry="bpm4i", scan_id="unknown_scan")
+    assert c is None