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https://github.com/Apress/foundations-of-pygtk-development.git
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59 lines
2.1 KiB
Python
59 lines
2.1 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
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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, 100)
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button = Gtk.Button.new_with_label("Run Font Selection Dialog")
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button.connect("clicked", self.on_run_font_selection_dialog)
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self.add(button)
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def on_run_font_selection_dialog(self, button):
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dialog = Gtk.FontSelectionDialog(title="Choose a Font",
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buttons=("Apply", Gtk.ResponseType.APPLY),
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parent=self)
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dialog.set_preview_text("GTK+ 3 Development With Python")
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dialog.connect("response", self.on_dialog_response)
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# dialog.show_all()
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dialog.run()
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def on_dialog_response(self, dialog, response):
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if response == Gtk.ResponseType.OK or response == Gtk.ResponseType.APPLY:
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font = dialog.get_font_name()
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message = Gtk.MessageDialog(title="Selected Font",
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flags=Gtk.DialogFlags.MODAL,
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type=Gtk.MessageType.INFO,
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text=font,
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buttons=("Ok", Gtk.ResponseType.OK),
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parent=dialog);
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message.run()
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message.destroy()
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if response == Gtk.ResponseType.OK:
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dialog.destroy()
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else:
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dialog.destroy()
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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="Font Selection Dialog")
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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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