我使用Qt Designer创建了一个工具,该工具具有3个QLineEdits,它们分别适用于translateX,translateY和translateZ。对于每个QLineEdit,我创建了一个上下文菜单,该菜单允许我根据用户的选择为上述属性之一设置关键帧。
因此,我没有写满足每个属性的3个单独的函数,而是想到了使用1种方法“回收”它们,但是我遇到了问题,因为我不太确定是否有可能,因为我使用的是单个QAction 。
class MyTool(QtGui.QWidget):
def __init__(self, parent=None):
super(MyTool, self).__init__(parent = parent)
# Read off from convert uic file.
self.ui = Ui_MyWidget()
self.ui.setupUi(self)
# translateX
self.ui.xLineEdit.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
self.ui.xLineEdit.customContextMenuRequested.connect(self.custom_menu)
# translateY
self.ui.yLineEdit.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
self.ui.yLineEdit.customContextMenuRequested.connect(self.custom_menu)
# translateZ
self.ui.zLineEdit.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
self.ui.zLineEdit.customContextMenuRequested.connect(self.custom_menu)
self.popMenu = QtGui.QMenu(self)
set_key_action = QtGui.QAction("Set Key at Current Frame", self)
# I am having issues here..
set_key_action.triggered.connect(self.set_key)
self.popMenu.addAction(set_key_action)
...
...
def set_key(self, attr):
# assuming I am trying to effect this locator1 that already exists in the scene
current_item = "|locator1"
cmds.setKeyframe("{0}.{1}".format(current_item, attr))
def custom_menu(self, point):
self.popMenu.exec_(QtGui.QCursor.pos())
再次,因为它只是一个QAction,所以让我感到困惑……还是让我坚持使用3个单独的函数会更好?
主要问题是,当您连接触发信号时,您不知道将要按下QLineEdit。我们在哪里可以知道QLineEdit被按下了?好吧,在方法custom_menu中,因为那里的方法sender()返回打开其上下文菜单的小部件,并使用属性或数据进行传递,所以可以比较该属性和QLineEdit:
class MyTool(QtGui.QWidget):
def __init__(self, parent=None):
super(MyTool, self).__init__(parent=parent)
# Read off from convert uic file.
self.ui = Ui_MyWidget()
self.ui.setupUi(self)
for le in (self.ui.xLineEdit, self.ui.yLineEdit, self.ui.zLineEdit):
le.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
le.customContextMenuRequested.connect(self.custom_menu)
self.popMenu = QtGui.QMenu(self)
self.set_key_action = QtGui.QAction("Set Key at Current Frame", self)
self.set_key_action.triggered.connect(self.set_key)
self.popMenu.addAction(self.set_key_action)
def set_key(self):
le = self.set_key_action.property("lineedit")
# or
# le = self.set_key_action.data()
if le is self.ui.xLineEdit:
print("xLineEdit")
elif le is self.ui.yLineEdit:
print("yLineEdit")
elif le is self.ui.zLineEdit:
print("zLineEdit")
def custom_menu(self, p):
if self.sender() is not None:
self.set_key_action.setProperty("lineedit", self.sender())
# or
# self.set_key_action.setData(self.sender())
self.popMenu.exec_(QtGui.QCursor.pos())
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