kivy/examples/miscellaneous/two_panes.py

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''
'Demonstrates using kv language to create some simple buttons and a
label, with each button modifying the label text.
'''
from kivy.app import App
from kivy.uix.boxlayout import BoxLayout
from kivy.lang import Builder
Builder.load_string('''
<MainWidget>:
BoxLayout:
orientation: 'vertical'
Button:
text: 'some string '
on_press: the_right_pane.text += self.text
Button:
text: 'one two three four '
on_press: the_right_pane.text += self.text
Button:
text: 'follow the yellow brick road '
on_press: the_right_pane.text += self.text
Button:
text: 'five six seven eight '
on_press: the_right_pane.text += self.text
Button:
text: 'CLEAR LABEL'
on_press: the_right_pane.text = ''
Label:
id: the_right_pane
text: ''
text_size: self.size
halign: 'center'
valign: 'middle'
''')
class MainWidget(BoxLayout):
pass
class ExampleApp(App):
def build(self):
return MainWidget()
ExampleApp().run()