def mouseMoveEvent(self, event):
""" Re-implemented to create a drag event when the mouse is moved for a
sufficient distance while holding down mouse button.
"""
# go into the drag logic only if a drag_obj is active
if self.drag_obj:
# is the left mouse button still pressed?
if not event.buttons() == QtCore.Qt.LeftButton:
pass
# has the mouse been dragged for sufficient distance?
elif (
event.pos() - self.drag_obj.start_pos
).manhattanLength() < QtGui.QApplication.startDragDistance():
pass
# initiate drag
else:
drag = QtGui.QDrag(self.drag_obj.widget)
mimedata = PyMimeData(data=self.drag_obj, pickle=False)
drag.setPixmap(self.drag_obj.get_pixmap())
drag.setHotSpot(self.drag_obj.get_hotspot())
drag.setMimeData(mimedata)
drag.exec_()
self.drag_obj = None # deactivate the drag_obj again
return
return super(DraggableTabBar, self).mouseMoveEvent(event)
def startDrag(self, actions):
if self._editor.factory.drag_external:
idxs = self.selectedIndexes()
rows = sorted(list(set([idx.row() for idx in idxs])))
drag_object = [(ri, self._editor.value[ri]) for ri in rows]
md = PyMimeData.coerce(drag_object)
self._dragging = self.currentIndex()
drag = QtGui.QDrag(self)
drag.setMimeData(md)
drag.exec_(actions)
else:
super(_TableView, self).startDrag(actions)
