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fix(crosshair): add slot to reset mouse markers

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wakonig_k
2025-07-09 15:13:10 +02:00
committed by Klaus Wakonig
parent 39c316d6ea
commit adaad4f4d5
1 changed files with 11 additions and 6 deletions
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17
bec_widgets/utils/crosshair.py
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@ -5,10 +5,11 @@ from typing import Any
import numpy as np import numpy as np
import pyqtgraph as pg import pyqtgraph as pg
from qtpy.QtCore import QObject, QPointF, Qt, Signal, Slot from qtpy.QtCore import QObject, QPointF, Qt, Signal
from qtpy.QtGui import QTransform from qtpy.QtGui import QTransform
from qtpy.QtWidgets import QApplication from qtpy.QtWidgets import QApplication
from bec_widgets.utils.error_popups import SafeSlot
from bec_widgets.widgets.plots.image.image_item import ImageItem from bec_widgets.widgets.plots.image.image_item import ImageItem
@ -163,7 +164,7 @@ class Crosshair(QObject):
qapp.theme_signal.theme_updated.connect(self._update_theme) qapp.theme_signal.theme_updated.connect(self._update_theme)
self._update_theme() self._update_theme()
@Slot(str) @SafeSlot(str)
def _update_theme(self, theme: str | None = None): def _update_theme(self, theme: str | None = None):
"""Update the theme.""" """Update the theme."""
if theme is None: if theme is None:
@ -190,7 +191,7 @@ class Crosshair(QObject):
self.coord_label.fill = pg.mkBrush(label_bg_color) self.coord_label.fill = pg.mkBrush(label_bg_color)
self.coord_label.border = pg.mkPen(None) self.coord_label.border = pg.mkPen(None)
@Slot(int) @SafeSlot(int)
def update_highlighted_curve(self, curve_index: int): def update_highlighted_curve(self, curve_index: int):
""" """
Update the highlighted curve in the case of multiple curves in a plot item. Update the highlighted curve in the case of multiple curves in a plot item.
@ -593,15 +594,19 @@ class Crosshair(QObject):
self.is_derivative = self.plot_item.ctrl.derivativeCheck.isChecked() self.is_derivative = self.plot_item.ctrl.derivativeCheck.isChecked()
self.clear_markers() self.clear_markers()
def cleanup(self): @SafeSlot()
def reset(self):
"""Resets the crosshair to its initial state."""
if self.marker_2d_row is not None: if self.marker_2d_row is not None:
self.plot_item.removeItem(self.marker_2d_row) self.plot_item.removeItem(self.marker_2d_row)
self.marker_2d_row = None self.marker_2d_row = None
if self.marker_2d_col is not None: if self.marker_2d_col is not None:
self.plot_item.removeItem(self.marker_2d_col) self.plot_item.removeItem(self.marker_2d_col)
self.marker_2d_col = None self.marker_2d_col = None
self.clear_markers()
def cleanup(self):
self.reset()
self.plot_item.removeItem(self.v_line) self.plot_item.removeItem(self.v_line)
self.plot_item.removeItem(self.h_line) self.plot_item.removeItem(self.h_line)
self.plot_item.removeItem(self.coord_label) self.plot_item.removeItem(self.coord_label)
self.clear_markers()