test-kivy-app/kivy_venv/share/kivy-examples/widgets/scrollview.py

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2024-09-15 12:12:16 +00:00
import kivy
kivy.require('1.0.8')
from kivy.app import App
from kivy.uix.button import Button
from kivy.uix.scrollview import ScrollView
from kivy.uix.gridlayout import GridLayout
class ScrollViewApp(App):
def build(self):
# create a default grid layout with custom width/height
layout = GridLayout(cols=1, padding=10, spacing=10,
size_hint=(None, None), width=500)
# when we add children to the grid layout, its size doesn't change at
# all. we need to ensure that the height will be the minimum required
# to contain all the childs. (otherwise, we'll child outside the
# bounding box of the childs)
layout.bind(minimum_height=layout.setter('height'))
# add button into that grid
for i in range(30):
btn = Button(text=str(i), size=(480, 40),
size_hint=(None, None))
layout.add_widget(btn)
# create a scroll view, with a size < size of the grid
root = ScrollView(size_hint=(None, None), size=(500, 320),
pos_hint={'center_x': .5, 'center_y': .5}, do_scroll_x=False)
root.add_widget(layout)
return root
if __name__ == '__main__':
ScrollViewApp().run()