def eventFilter(self, viewport, event):
view = viewport.parent()
if event.type() == QEvent.MouseButtonPress and \
event.button() == Qt.LeftButton:
index = view.indexAt(event.pos())
if index is not None:
self._pos = event.pos()
self._index = QPersistentModelIndex(index)
elif event.type() == QEvent.MouseMove and self._pos is not None and \
((self._pos - event.pos()).manhattanLength() >=
QApplication.startDragDistance()):
if self._index.isValid():
# Map to a QModelIndex in the model.
index = self._index
index = index.model().index(index.row(), index.column(),
index.parent())
self._pos = None
self._index = None
self.dragStarted.emit(index)
return QObject.eventFilter(self, view, event)
def eventFilter(self, obj, event):
if event.type() == QEvent.MouseButtonPress:
self.buttonDownPos = event.pos()
self.buttonDownObj = obj
self.button = event.button()
elif event.type() == QEvent.MouseMove and obj is self.buttonDownObj:
if (
self.buttonDownPos - event.pos()
).manhattanLength() > QApplication.startDragDistance() and not self.buttonDownObj.hitButton(
event.pos()
):
# Process the widget's mouse event, before starting the
# drag operation, so the widget can update its state.
obj.mouseMoveEvent(event)
self.dragStartOperationRequested.emit(obj)
obj.setDown(False)
self.button = None
self.buttonDownPos = None
self.buttonDownObj = None
return True # Already handled
return QObject.eventFilter(self, obj, event)
def eventFilter(self, obj, event):
if obj is self.parent():
if event.type() == QEvent.GraphicsSceneMousePress:
return self.mousePressEvent(event)
elif event.type() == QEvent.GraphicsSceneMouseMove:
return self.mouseMoveEvent(event)
elif event.type() == QEvent.GraphicsSceneMouseRelease:
return self.mouseReleaseEvent(event)
return QObject.eventFilter(self, obj, event)
def eventFilter(self, receiver, event):
if event.type() == QEvent.Close and receiver is self.__scheme:
self.signal_manager().stop()
# Notify the widget instances.
for widget in list(self.__widget_for_node.values()):
widget.close()
widget.saveSettings()
widget.onDeleteWidget()
widget.deleteLater()
return QObject.eventFilter(self, receiver, event)
def eventFilter(self, obj, event):
if (event.type() == QEvent.StatusTip
and not isinstance(event, QuickHelpTipEvent)
and hasattr(obj, "whatsThis")
and isinstance(obj.whatsThis, Callable)):
tip = event.tip()
try:
text = obj.whatsThis()
except Exception:
text = None
if text:
ev = QuickHelpTipEvent(tip, text if tip else "")
return QCoreApplication.sendEvent(obj, ev)
return QObject.eventFilter(self, obj, event)
def eventFilter(self, obj, event):
etype = event.type()
if etype == QEvent.KeyPress:
key = event.key()
if key == Qt.Key_Down:
self.moveCurrent(1, 0)
return True
elif key == Qt.Key_Up:
self.moveCurrent(-1, 0)
return True
elif key == Qt.Key_Tab:
self.moveCurrent(0, 1)
return True
elif key == Qt.Key_Enter or key == Qt.Key_Return:
self.activateCurrent()
return True
return QObject.eventFilter(self, obj, event)
def eventFilter(self, obj, event):
if event.type() == QEvent.Resize and obj is self.__widget and \
self.__animation.state() == QPropertyAnimation.Stopped:
# Update the expanded state when the user opens/closes the widget
# by dragging the splitter handle.
if self.__splitter.orientation() == Qt.Vertical:
size = event.size().height()
else:
size = event.size().width()
if self.__expanded and size == 0:
self.__action.setChecked(False)
self.__expanded = False
elif not self.__expanded and size > 0:
self.__action.setChecked(True)
self.__expanded = True
if event.type() == QEvent.Show and obj is self.__splitter and \
self.__updateOnShow:
# Update the splitter state after receiving valid geometry
self.__updateOnShow = False
self.__update()
return QObject.eventFilter(self, obj, event)
def eventFilter(self, receiver, event):
if event.type() == QEvent.ToolTip:
return True
return QObject.eventFilter(self, receiver, event)
