파이썬[Python]: kivy - bind 함수 with Animation_0001

kivy.event 모듈 - EventDispatcher 클래스 - bind 함수(functions)

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/// 설명

이벤트 타입이나 속성을 callback 함수에 연결합니다.

Event: on_start, on_complete, on_progress

참고: event 모듈 목록

※ 형식
bind(**kwargs)

reference
https://kivy.org/doc/stable/api-kivy.event.html

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/// 예제

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import kivy   kivy.require('2.0.0')   from kivy.app import App from kivy.core.window import Window from kivy.uix.floatlayout import FloatLayout from kivy.animation import Animation from kivy.uix.button import Button   Window.clearcolor = (.5, .0, .5, .1)     class TestApp(App):     def bt_pressed(self, button_instance):         # getting window size         window_width, window_height = Window.size           def ani_start(ani_instance, button_instance):             self.bt2.text = 'Moving'           def ani_end(ani_instance, button_instance):             self.bt2.text = 'The End'           anmt = Animation(y=window_height-100)  # first move(up)         anmt.bind(on_start=ani_start)         anmt += Animation(x=window_width-100)  # second move(right)         anmt += Animation(y=0)  # third move(down)         anmt += Animation(x=0)  # forth move(left)         anmt.bind(on_complete=ani_end)           anmt.start(button_instance)           return None         def build(self):         fl = FloatLayout()           # FloatLayout - Button1 - Start         bt1 = Button(text='Animation!!!',                      size_hint=(None, None), size=(100, 100),                      on_press=self.bt_pressed)         # FloatLayout - Button1 - End ----------           # FloatLayout - Button2 - Start         bt2 = Button(text='None!!!',                      size_hint=(None, None), size=(200, 200),                      pos=(300, 200))           self.bt2 = bt2         # FloatLayout - Button2 - End ----------           # FloatLayout         fl.add_widget(bt1)         fl.add_widget(bt2)           return fl     TestApp().run()   Colored by Color Scripter

cs

/// 출력

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* 실행환경: Microsoft Windows 10 Homes
* 인터프리터: 파이썬(Python 3.9)

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