def mouseMoveEvent(self, event):
if not event.buttons() & Qt.LeftButton: return
if (event.pos() - self.drag_pos).manhattanLength() < 100: return
event.accept()
drag = QDrag(self)
mimedata = QMimeData()
mimedata.setData("action", "window_drag")
drag.setMimeData(mimedata)
widget = self.current_widget
pixmap = QPixmap.grabWidget(widget).scaledToWidth(300, Qt.SmoothTransformation)
dragpixmap = DragPixmap(pixmap, 0.50, self)
dragpixmap.move(QCursor().pos())
dragpixmap.show()
drag.exec_()
dragpixmap.deleteLater()
self.widgetDnD.emit(self.current_widget, drag.target())
return
def mouseMoveEvent(self, event):
dex = self.indexAt(event.pos())
if self.in_drag_drop or not dex.isValid():
QTreeView.mouseMoveEvent(self, event)
return
# Must deal with odd case where the node being dragged is 'virtual',
# created to form a hierarchy. We can't really drag this node, but in
# addition we can't allow drag recognition to notice going over some
# other node and grabbing that one. So we set in_drag_drop to prevent
# this from happening, turning it off when the user lifts the button.
self.in_drag_drop = True
if not self._model.flags(dex) & Qt.ItemIsDragEnabled:
QTreeView.mouseMoveEvent(self, event)
return
md = self._model.mimeData([dex])
pixmap = dex.data(Qt.DecorationRole).toPyObject().pixmap(25, 25)
drag = QDrag(self)
drag.setPixmap(pixmap)
drag.setMimeData(md)
if self._model.is_in_user_category(dex):
drag.exec_(Qt.CopyAction|Qt.MoveAction, Qt.CopyAction)
else:
drag.exec_(Qt.CopyAction)
def mouseMoveEvent(self, event):
dex = self.indexAt(event.pos())
if self.in_drag_drop or not dex.isValid():
QTreeView.mouseMoveEvent(self, event)
return
# Must deal with odd case where the node being dragged is 'virtual',
# created to form a hierarchy. We can't really drag this node, but in
# addition we can't allow drag recognition to notice going over some
# other node and grabbing that one. So we set in_drag_drop to prevent
# this from happening, turning it off when the user lifts the button.
self.in_drag_drop = True
if not self._model.flags(dex) & Qt.ItemIsDragEnabled:
QTreeView.mouseMoveEvent(self, event)
return
md = self._model.mimeData([dex])
pixmap = dex.data(Qt.DecorationRole).toPyObject().pixmap(25, 25)
drag = QDrag(self)
drag.setPixmap(pixmap)
drag.setMimeData(md)
if self._model.is_in_user_category(dex):
drag.exec_(Qt.CopyAction | Qt.MoveAction, Qt.CopyAction)
else:
drag.exec_(Qt.CopyAction)
