def eventFilter(self, obj, event):
# type: (QObject, QEvent) -> bool
if event.type() == QEvent.MouseButtonPress:
assert isinstance(event, QMouseEvent)
self.buttonDownPos = event.pos()
self.buttonDownObj = obj
self.button = event.button()
elif event.type() == QEvent.MouseMove and obj is self.buttonDownObj:
assert self.buttonDownObj is not None
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 super().eventFilter(obj, event)
def eventFilter(self, viewport, event):
# type: (QObject, QEvent) -> bool
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()):
assert self._index is not None
if self._index.isValid():
# Map to a QModelIndex in the model.
index = QModelIndex(self._index)
self._pos = None
self._index = None
self.dragStarted.emit(index)
return super().eventFilter(view, event)
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 super().eventFilter(view, event)
def eventFilter(self, obj, event):
"""Reimplemented."""
if isinstance(obj, SequenceFlow.Frame) and obj.parent() is self:
etype = event.type()
if etype == QEvent.MouseButtonPress and \
event.button() == Qt.LeftButton:
# Is the mouse press on the dock title bar
# (assume everything above obj.widget is a title bar)
# TODO: Get the proper title bar geometry.
if event.pos().y() < obj.widget().y():
index = self.indexOf(obj.widget())
self.__dragstart = (obj, index, event.pos())
elif etype == QEvent.MouseMove and \
event.buttons() & Qt.LeftButton and \
obj is self.__dragstart[0]:
_, _, down = self.__dragstart
if (down - event.pos()).manhattanLength() >= \
QApplication.startDragDistance():
self.__startInternalDrag(obj, event.pos())
self.__dragstart = None, None, None
return True
elif etype == QEvent.MouseButtonRelease and \
event.button() == Qt.LeftButton and \
self.__dragstart[0] is obj:
self.__dragstart = None, None, None
return super().eventFilter(obj, event)
def eventFilter(self, obj, event):
"""Reimplemented."""
if isinstance(obj, SequenceFlow.Frame) and obj.parent() is self:
etype = event.type()
if etype == QEvent.MouseButtonPress and \
event.button() == Qt.LeftButton:
# Is the mouse press on the dock title bar
# (assume everything above obj.widget is a title bar)
# TODO: Get the proper title bar geometry.
if event.pos().y() < obj.widget().y():
index = self.indexOf(obj.widget())
self.__dragstart = (obj, index, event.pos())
elif etype == QEvent.MouseMove and \
event.buttons() & Qt.LeftButton and \
obj is self.__dragstart[0]:
_, _, down = self.__dragstart
if (down - event.pos()).manhattanLength() >= \
QApplication.startDragDistance():
self.__startInternalDrag(obj, event.pos())
self.__dragstart = None, None, None
return True
elif etype == QEvent.MouseButtonRelease and \
event.button() == Qt.LeftButton and \
self.__dragstart[0] is obj:
self.__dragstart = None, None, None
return super().eventFilter(obj, event)
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)
