本文整理匯總了Python中PyQt5.Qt.QDrag.exec_方法的典型用法代碼示例。如果您正苦於以下問題：Python QDrag.exec_方法的具體用法？Python QDrag.exec_怎麽用？Python QDrag.exec_使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類PyQt5.Qt.QDrag的用法示例。
在下文中一共展示了QDrag.exec_方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: mouseMoveEvent
# 需要導入模塊: from PyQt5.Qt import QDrag [as 別名]
# 或者: from PyQt5.Qt.QDrag import exec_ [as 別名]
def mouseMoveEvent(self, event):
dex = self.indexAt(event.pos())
if dex.isValid():
self.setCursor(Qt.PointingHandCursor)
else:
self.unsetCursor()
if not event.buttons() & Qt.LeftButton:
return
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(DRAG_IMAGE_ROLE).pixmap(self.iconSize())
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)