開発環境
- macOS Mojave - Apple (OS)
- Emacs (Text Editor)
- Windows 10 Pro (OS)
- Visual Studio Code (Text Editor)
- Python 3.7 (プログラミング言語)
- Kivy (パッケージ)
Kivyプログラミング ―Pythonで作るマルチタッチアプリ― (実践Pythonライブラリー) (原口 和也(著)、久保 幹雄(監修)、朝倉書店)の2(ウィジェット)、2.5(演習問題)、演習2.2を取り組んでみる。
コード(Emacs)
Python 3
#!/usr/bin/env python3 from kivy.app import App from kivy.uix.button import Button from kivy.uix.boxlayout import BoxLayout from kivy.core.text import LabelBase, DEFAULT_FONT LabelBase.register(DEFAULT_FONT, 'ipaexg.ttf') class MyButton(Button): def __init__(self, n, *args, **kwargs): Button.__init__(self, *args, **kwargs) self.n = n def on_press(self): self.size_hint_x *= 1.1 print(f'ボタン{self.n}: {self.size_hint_x}') class SampleApp(App): def build(self): boxlayout = BoxLayout(orientation='horizontal') button1 = MyButton(1, text='1ボタン') button2 = MyButton(2, text='2ボタン') boxlayout.add_widget(button1) boxlayout.add_widget(button2) return boxlayout if __name__ == '__main__': SampleApp().run()
入出力結果(Terminal, cmd(コマンドプロンプト), Jupyter(IPython))
$ ./sample2.py [INFO ] [Logger ] Record log in /~/.kivy/logs/kivy_18-12-23_12.txt [INFO ] [Kivy ] v1.10.1 [INFO ] [Python ] v3.7.1 (default, Oct 21 2018, 09:01:26) [Clang 10.0.0 (clang-1000.11.45.2)] [INFO ] [Factory ] 194 symbols loaded [INFO ] [Image ] Providers: img_tex, img_imageio, img_dds, img_sdl2, img_pil, img_gif (img_ffpyplayer ignored) [INFO ] [Text ] Provider: sdl2 [INFO ] [Window ] Provider: sdl2 [INFO ] [GL ] Using the "OpenGL ES 2" graphics system [INFO ] [GL ] Backend used <gl> [INFO ] [GL ] OpenGL version <b'2.1 INTEL-12.4.7'> [INFO ] [GL ] OpenGL vendor <b'Intel Inc.'> [INFO ] [GL ] OpenGL renderer <b'Intel(R) Iris(TM) Pro Graphics 6200'> [INFO ] [GL ] OpenGL parsed version: 2, 1 [INFO ] [GL ] Shading version <b'1.20'> [INFO ] [GL ] Texture max size <16384> [INFO ] [GL ] Texture max units <16> [INFO ] [Window ] auto add sdl2 input provider [INFO ] [Window ] virtual keyboard not allowed, single mode, not docked [INFO ] [Base ] Start application main loop [INFO ] [GL ] NPOT texture support is available ボタン1: 1.1 ボタン1: 1.2100000000000002 ボタン1: 1.3310000000000004 ボタン1: 1.4641000000000006 ボタン1: 1.6105100000000008 ボタン2: 1.1 ボタン2: 1.2100000000000002 ボタン2: 1.3310000000000004 ボタン2: 1.4641000000000006 ボタン2: 1.6105100000000008 ボタン2: 1.771561000000001 ボタン2: 1.9487171000000014 ボタン2: 2.1435888100000016 ボタン2: 2.357947691000002 ボタン2: 2.5937424601000023 ボタン2: 2.853116706110003 ボタン1: 1.771561000000001 ボタン1: 1.9487171000000014 ボタン1: 2.1435888100000016 ボタン1: 2.357947691000002 ボタン1: 2.5937424601000023 ボタン1: 2.853116706110003 [INFO ] [Base ] Leaving application in progress... $
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