def eventFilter ( self, o, e ): if o == self.sysMenuButton: if e.type () == QEvent.MouseButtonPress: if e.button () == QtCore.Qt.LeftButton and qApp.widgetAt ( QCursor.pos () ) == self.sysMenuButton: self.showSystemMenu ( self.mapToGlobal ( self.rect ().bottomLeft () ) ) return True if e.type () == QEvent.MouseButtonDblClick: if e.button () == QtCore.Qt.LeftButton and qApp.widgetAt ( QCursor.pos () ) == self.sysMenuButton: self.parentWidget ().close () return True return super ().eventFilter ( o, e )
def mousePressEvent ( self, e ): self.onMousePressEvent.emit ( e ) if e.button () == QtCore.Qt.LeftButton and qApp.widgetAt ( QCursor.pos () ) != self.sysMenuButton: self.onBeginDrag () self.mouseStartPos = e.globalPos () # qWarning ( "QCustomTitleBar::onBeginDrag" ) super ().mousePressEvent ( e )
def update(self):
subject = qApp.widgetAt(QCursor.pos())
scope = self.getScope(subject) if subject else self.defaultScope
if scope.displayMode == EDisplayMode.Clear:
QTrackingTooltip.hideTooltip(self.trackingTooltip.data())
else:
if scope.displayMode == EDisplayMode.Text:
self.trackingTooltip.setText(scope.text)
elif scope.displayMode == EDisplayMode.Pixmap:
self.trackingTooltip.setPixmap(scope.pixmap)
QTrackingTooltip.showTrackingTooltip(self.trackingTooltip)
def hook_updateMainWindowOnMouseMove_End(self):
"""
This will run whenever the mouse moves in x or y across one of the axes in the main plot
TODO: it would be nice to also run this on mouse wheel
"""
x = self.lasagna.mouseX
y = self.lasagna.mouseY
# Get the widget that the mouse is currently in
pos = QtGui.QCursor.pos()
print(pos)
print(type(qApp.widgetAt(pos)))
if str(type(qApp.widgetAt(pos))) == "<class 'NoneType'>":
print("\n\nBAILING OUT\n\n")
return
plot_widget = qApp.widgetAt(
pos).parent() # The mouse is in this widget
# Get the base image from this widget
selected_stack_name = self.lasagna.selectedStackName()
image_item = lasagna_qt_helper_functions.find_pyqt_graph_object_name_in_plot_widget(
plot_widget, itemName=selected_stack_name, regex=True)
if not image_item:
return
# Extract data from base image
if image_item is not None:
if image_item.image.shape[1] <= y or y < 0:
return
x_data = image_item.image[:, y]
self.graphicsView.clear()
self.graphicsView.plot(x_data)
# Link the x axis of the cross-section view with the x axis of the image view
# Do not use self.graphicsView.setXLink() as it is bidirectional
x_range = plot_widget.viewRange()[0]
self.graphicsView.setXRange(min=x_range[0], max=x_range[1])
def hook_updateMainWindowOnMouseMove_End(self):
z, x, y = self.lasagna.mousePositionInStack
pos = QtGui.QCursor.pos()
current_widget = qApp.widgetAt(pos)
try:
plot_widget = current_widget.parent()
current_axis_name = plot_widget.objectName()
except AttributeError:
print("Mouse seems lost somewhere in a parentless widget")
current_axis_name = "the void"
msg = "Mouse is in %s\nZ: %d, X: %d, Y: %d" % (current_axis_name, z, x,
y)
self.label.setText(msg)