Kivy:在TextInput中使用Control + Backspace删除令牌

from kivy.app import App
from kivy.uix.textinput import TextInput

class CustomTextInput(TextInput):
    def __init__(self, **kwargs):
        super(CustomTextInput, self).__init__(**kwargs)

    def keyboard_on_key_down(self, window, keycode, text, modifiers):
        if keycode[1] == 'backspace' and 'ctrl' in modifiers:
            # 执行删除令牌的操作
            self.text = self.text[:-1]  # 删除最后一个字符
            return True
        return super(CustomTextInput, self).keyboard_on_key_down(window, keycode, text, modifiers)

class MyApp(App):
    def build(self):
        return CustomTextInput()

if __name__ == '__main__':
    MyApp().run()