有没有办法通过单击右上角的“x”直到满足特定条件来防止关闭kivy窗口?
您可以通过绑定窗口来做到这一点on_request_close
有一个函数来检查是否满足条件:
from kivy.app import App
from kivy.core.window import Window
from kivy.uix.label import Label
class Base(Label):
def __init__(self, **kwargs):
super(Base, self).__init__(**kwargs)
Window.bind(on_request_close=self.exit_check)
self.counter = 0
self.text = str(self.counter)
def exit_check(self, *args):
self.counter += 1
if self.counter < 5:
self.text = str(self.counter)
return True # block app's exit
else:
return False # let the app close
class SampleApp(App):
def build(self):
return Base()
if __name__ == "__main__":
SampleApp().run()
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