파이썬[Python]: kivy - bind 함수 with Button_0004

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

---

/// 설명

이벤트 타입이나 속성을 callback 함수에 연결합니다.

Event: on_press, on_release, state

사용: ProgressBar(**kwargs)

참고: event 모듈 목록

※ 형식
bind(**kwargs)

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

---

/// 예제

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122

import kivy   kivy.require('2.0.0')   import os from kivy.app import App from kivy.core.window import Window from kivy.core.audio import SoundLoader from kivy.clock import Clock from kivy.uix.boxlayout import BoxLayout from kivy.uix.button import Button from kivy.uix.progressbar import ProgressBar   os.environ['KIVY_AUDIO'] = 'ffpyplayer'  # install ffpyplayer Window.clearcolor = (.6, 1, .8, 1) Window.size = (563, 1001) Window.top, Window.left = 30, 800     class FantasticApp(App):     _init = True     _sound = False     _total_sec = 0.0     _min, _sec = 0, 0       def _time_format(self):         self._min = self._total_sec // 60         self._sec = self._total_sec % 60         self.bt4_root.text = f'Total: {int(self._total_sec)} second(s)' + \                              f' - {int(self._min)}:{int(self._sec)}'       def _bt_1s(self, bt_instance):         if self._init == True:             self._total_sec += 1             self._time_format()       def _bt_5s(self, bt_instance):         if self._init == True:             self._total_sec += 5             self._time_format()       def _bt_10s(self, bt_instance):         if self._init == True:             self._total_sec += 10             self._time_format()       def _bt_start(self, bt_instance):         if bt_instance.text == 'Start':             bt_instance.text = 'Stop'             if FantasticApp._init == True:                 self.pgb.max = self._total_sec                 self.pgb.value = self._total_sec                 self._init = False               # call _clock_call() every 0.1 seconds             self.event = Clock.schedule_interval(self._clock_call, 0.1)         else:             bt_instance.text = 'Start'             self.event.cancel()             if self._sound:                 self._sound.stop()       def _bt_reset(self, bt_instance):         self.bt2_root.text = 'Start'         self.bt4_root.text = 'Total: second(s)'         self.pgb.max = 1         self.pgb.value = 1         self._init = True         self._total_sec = 0.0         self._min, self._sec = 0, 0         if self._sound:             self._sound.stop()       def _clock_call(self, clock_instance):         if self.pgb.value > 0.0:             self._total_sec -= 0.1             self.pgb.value = self._total_sec             self.bt4_root.text = f'CountDown: {int(self._total_sec + 1)} second(s)'         else:             self.bt4_root.text = f'CountDown: 0 second(s)'             self.event.cancel()             self._sound = SoundLoader.load('thunder.wav')             if self._sound:                 self._sound.loop = True                 self._sound.play()       def build(self):         # You can make this 'App' using 'Class'         bl_top = BoxLayout()         # add 1 second         bt1 = Button(text='+ 1 second', on_press=self._bt_1s)         # add 5 seconds         bt2 = Button(text='+ 5 seconds', on_press=self._bt_5s)         # add 10 seconds         bt3 = Button(text='+ 10 seconds', on_press=self._bt_10s)         bl_top.add_widget(bt1)         bl_top.add_widget(bt2)         bl_top.add_widget(bt3)           bt1_root = Button(text='Timer: Set the second(s)')         # reset         bt3_root = Button(text='Reset', on_press=self._bt_reset)         # start and stop         self.bt2_root = bt2_root = Button(text='Start', on_press=self._bt_start)         # totoal second         self.bt4_root = bt4_root = Button(text='Total: second(s)', font_size=30)         self.pgb = pgb = ProgressBar(max=1, value=1)           # root BoxLayout         bl_root = BoxLayout(orientation='vertical')         bl_root.add_widget(bl_top)         bl_root.add_widget(bt1_root)         bl_root.add_widget(bt2_root)         bl_root.add_widget(bt3_root)         bl_root.add_widget(pgb)         bl_root.add_widget(bt4_root)           return bl_root     FantasticApp().run()   Colored by Color Scripter

cs

/// 출력

/// 사운드 파일

thunder.wav

---

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

---

– 당신을 응원합니다. –