/transparent_window.py
Last active May 4, 2019
Transparent Window in Gtk+ 3, python
| #!/usr/bin/env python | |
| # Copyright (c) 2017 Kurt Jacobson | |
| # License: https://kcj.mit-license.org/@2017 | |
| import cairo | |
| import gi | |
| gi.require_version('Gtk', '3.0') | |
| gi.require_version('Gdk', '3.0') | |
| from gi.repository import Gtk | |
| from gi.repository import Gdk | |
| class TransparentWindow(Gtk.Window): | |
| def __init__(self): | |
| Gtk.Window.__init__(self) | |
| self.set_size_request(300, 220) | |
| self.connect('destroy', Gtk.main_quit) | |
| self.connect('draw', self.draw) | |
| screen = self.get_screen() | |
| visual = screen.get_rgba_visual() | |
| if visual and screen.is_composited(): | |
| self.set_visual(visual) | |
| self.set_app_paintable(True) | |
| self.show_all() | |
| def draw(self, widget, context): | |
| context.set_source_rgba(0, 0, 0, 0) | |
| context.set_operator(cairo.OPERATOR_SOURCE) | |
| context.paint() | |
| context.set_operator(cairo.OPERATOR_OVER) | |
| TransparentWindow() | |
| Gtk.main() |
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