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2.3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, 'NotoSansCJKjp-Regular.otf')
class MyButton(Button):
def on_press(self):
print(f'{self} removed')
self.parent.remove_widget(self)
class SampleApp(App):
def build(self):
boxlayout = BoxLayout(orientation='horizontal')
button1 = MyButton(text='1st(1ボタン)', size_hint_x=1)
button2 = MyButton(text='2st(2ボタン)', size_hint_x=3)
button3 = MyButton(text='3st(3ボタン)', size_hint=(2, 0.5))
for button in [button1, button2, button3]:
boxlayout.add_widget(button)
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))
$ ./sample3.py [INFO ] [Logger ] Record log in /~/.kivy/logs/kivy_18-12-23_24.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 <__main__.MyButton object at 0x10ccf9180> removed <__main__.MyButton object at 0x10ccf9798> removed <__main__.MyButton object at 0x10ccf98d0> removed [INFO ] [Base ] Leaving application in progress... $ ./sample3.py [INFO ] [Logger ] Record log in /~/.kivy/logs/kivy_18-12-23_25.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 <__main__.MyButton object at 0x10e23f798> removed <__main__.MyButton object at 0x10e23f8d0> removed <__main__.MyButton object at 0x10e23f180> removed [INFO ] [Base ] Leaving application in progress... $ ./sample3.py [INFO ] [Logger ] Record log in /~/.kivy/logs/kivy_18-12-23_26.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 <__main__.MyButton object at 0x10aa458d0> removed <__main__.MyButton object at 0x10aa45180> removed <__main__.MyButton object at 0x10aa45798> removed [INFO ] [Base ] Leaving application in progress... $
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