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https://github.com/Apress/foundations-of-pygtk-development.git
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66 lines
2.2 KiB
Python
66 lines
2.2 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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global_color = Gdk.RGBA(red=.50, green=.50, blue=.50, alpha=1.0).to_color()
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global_alpha = 65535
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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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modal = Gtk.Button.new_with_label("Modal")
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nonmodal = Gtk.Button.new_with_label("Non-Modal")
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modal.connect("clicked", self.on_run_color_selection_dialog,
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self, True)
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nonmodal.connect("clicked", self.on_run_color_selection_dialog,
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self, False)
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hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=0)
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hbox.pack_start(modal, False, False, 5)
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hbox.pack_start(nonmodal, False, False, 5)
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self.add(hbox)
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def on_dialog_response(self, dialog, result):
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if result == Gtk.ResponseType.OK:
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colorsel = dialog.get_color_selection()
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alpha = colorsel.get_current_alpha()
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color = colorsel.get_current_color()
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print(color.to_string())
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global_color = color
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global_alpha = alpha
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dialog.destroy()
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def on_run_color_selection_dialog(self, button, window, domodal):
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if domodal:
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title = ("Choose Color -- Modal")
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else:
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title = ("Choose Color -- Non-Modal")
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dialog = Gtk.ColorSelectionDialog(title=title, parent=window, modal=domodal)
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colorsel = dialog.get_color_selection()
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colorsel.set_has_opacity_control(True)
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colorsel.set_current_color(global_color)
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dialog.connect("response", self.on_dialog_response)
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dialog.show_all()
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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="Color 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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