ToDoList.py 文件源码

def _closeRunningInstances(self):
        '''Check if other instances are already runnign and close them before proceding.'''

        for widget in QtGui.QApplication.allWidgets():
            name = widget.objectName()
            if type(widget) == type(self):
                p = widget.parentWidget()
                while p:
                    if p.parent() and isinstance(p.parent(), QtGui.QStackedWidget):
                        p.parent().removeWidget(p) # THIS ASSUMES NUKE'S QSTACKEDWIDGET HOLDING THIS WIDGET
                        p = None
                    else:
                        p = p.parentWidget()