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https://github.com/Apress/foundations-of-pygtk-development.git
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48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
#!/usr/bin/python3
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import sys
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import gi
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gi.require_version('Gtk', '3.0')
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from gi.repository import Gtk, Gdk
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class AppWindow(Gtk.ApplicationWindow):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.set_border_width(10)
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self.set_size_request(200, 50)
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eventbox = Gtk.EventBox.new()
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label = Gtk.Label.new("Double-Click Me!")
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eventbox.set_above_child(False)
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eventbox.connect("button_press_event", self.on_button_pressed, label)
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eventbox.add(label)
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self.add(eventbox)
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eventbox.set_events(Gdk.EventMask.BUTTON_PRESS_MASK)
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eventbox.realize()
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def on_button_pressed(self, eventbox, event, label):
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if event.type == Gdk.EventType._2BUTTON_PRESS:
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text = label.get_text()
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if text[0] == 'D':
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label.set_text("I Was Double-Clicked!")
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else:
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label.set_text("Double-Click Me Again!")
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return False
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class Application(Gtk.Application):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, application_id="org.example.myapp",
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**kwargs)
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self.window = None
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def do_activate(self):
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if not self.window:
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self.window = AppWindow(application=self, title="Hello World!")
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self.window.show_all()
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self.window.present()
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if __name__ == "__main__":
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app = Application()
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app.run(sys.argv)
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