def eventFilter(self, widget, event):
if widget == self and event.type() == QtCore.QEvent.ContextMenu:
menu = self.createStandardContextMenu()
actions = menu.actions()
for action in actions:
action.setShortcut(QtGui.QKeySequence())
action_string = action.text()
pos = action_string.rfind("\t")
if pos > 0:
action_string = action_string[:pos]
action.setText(action_string)
action_before = None
if len(actions) > 0:
action_before = actions[0]
clear = QtGui.QAction("Clear Shortcut", menu)
menu.insertAction(action_before, clear)
menu.insertSeparator(action_before)
clear.setEnabled(not self.__key_sequence.isEmpty())
clear.triggered.connect(self.clear_shortcut)
menu.exec_(event.globalPos())
del menu
event.accept()
return True
return QtGui.QLineEdit.eventFilter(self, widget, event)
def __init__(self, parent=None):
QtGui.QLineEdit.__init__(self, parent)
self.__key_sequence = QtGui.QKeySequence()
# self.__line_edit.installEventFilter(self)
self.setReadOnly(True)
self.setAttribute(QtCore.Qt.WA_InputMethodEnabled)
def handle_key_event(self, event):
if event.isAutoRepeat():
return
key = event.key()
if (key == QtCore.Qt.Key_Control or key == QtCore.Qt.Key_Shift
or key == QtCore.Qt.Key_Meta or key == QtCore.Qt.Key_Alt
or key == QtCore.Qt.Key_Super_L or key == QtCore.Qt.Key_AltGr):
return
if not event.modifiers():
return
key |= self.translate_modifiers(event.modifiers(), event.text())
self.key_sequence = QtGui.QKeySequence(key)
self.key_sequence_changed.emit(
self.key_sequence,
event.nativeModifiers(),
event.nativeVirtualKey(),
)
event.accept()
def clear_shortcut(self):
if self.__key_sequence.isEmpty():
return
self.key_sequence = QtGui.QKeySequence()
self.key_sequence_changed.emit(self.key_sequence, 0, 0)
