39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
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from kivy.app import App
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from kivy.clock import Clock
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from kivy.lang import Builder
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from kivy.core.window import Window
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class KvApp(App):
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def __init__(self, filename, **kwargs):
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self.filename = filename
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super(KvApp, self).__init__(**kwargs)
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def _print_fps(self, *largs):
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print('FPS: %2.4f (real draw: %d)' % (
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Clock.get_fps(), Clock.get_rfps()))
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def _reload_keypress(self, instance, code, *largs):
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if code != 286:
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return
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for child in Window.children[:]:
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Window.remove_widget(child)
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root = Builder.load_file(self.filename)
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Window.add_widget(root)
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def build(self):
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Clock.schedule_interval(self._print_fps, 1)
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Window.bind(on_keyboard=self._reload_keypress)
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return Builder.load_file(self.filename)
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if __name__ == '__main__':
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import sys
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import os
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if len(sys.argv) < 2:
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print('Usage: %s filename.kv' % os.path.basename(sys.argv[0]))
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sys.exit(1)
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KvApp(filename=sys.argv[1]).run()
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