mirror of https://github.com/kivy/kivy.git
52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
from kivy.app import App
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from kivy.uix.button import Button
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from kivy.core.window import Window
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from kivy.uix.boxlayout import BoxLayout
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class DropFile(Button):
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def __init__(self, **kwargs):
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super(DropFile, self).__init__(**kwargs)
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# get app instance to add function from widget
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app = App.get_running_app()
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# add function to the list
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app.drops.append(self.on_dropfile)
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def on_dropfile(self, widget, filename):
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# a function catching a dropped file
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# if it's dropped in the widget's area
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if self.collide_point(*Window.mouse_pos):
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# on_dropfile's filename is bytes (py3)
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self.text = filename.decode('utf-8')
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class DropApp(App):
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def build(self):
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# set an empty list that will be later populated
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# with functions from widgets themselves
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self.drops = []
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# bind handling function to 'on_dropfile'
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Window.bind(on_dropfile=self.handledrops)
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box = BoxLayout()
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dropleft = DropFile(text='left')
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box.add_widget(dropleft)
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dropright = DropFile(text='right')
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box.add_widget(dropright)
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return box
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def handledrops(self, *args):
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# this will execute each function from list with arguments from
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# Window.on_dropfile
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#
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# make sure `Window.on_dropfile` works on your system first,
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# otherwise the example won't work at all
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for func in self.drops:
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func(*args)
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DropApp().run()
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