de2cfecf92
Instead of requiring a compositing manager for the transparent background of the OverlayWindow, take a screenshot and use that instead.
69 lines
2.3 KiB
Python
69 lines
2.3 KiB
Python
# Copyright (C) 2006, Red Hat, Inc.
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
import gtk
|
|
import cairo
|
|
|
|
def _grab_pixbuf(window=None):
|
|
if not window:
|
|
screen = gtk.gdk.screen_get_default()
|
|
window = screen.get_root_window()
|
|
color_map = gtk.gdk.colormap_get_system()
|
|
(x, y, w, h, bpp) = window.get_geometry()
|
|
return gtk.gdk.pixbuf_get_from_drawable(None, window, color_map, x, y, 0, 0, w, h)
|
|
|
|
class OverlayWindow(gtk.Window):
|
|
def __init__(self, lower_window):
|
|
gtk.Window.__init__(self)
|
|
self._lower_window = lower_window
|
|
|
|
self._img = gtk.Image()
|
|
self.add(self._img)
|
|
|
|
self.realize()
|
|
|
|
self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
|
|
self.window.set_accept_focus(False)
|
|
self.window.set_transient_for(lower_window)
|
|
|
|
self.set_decorated(False)
|
|
self.set_position(gtk.WIN_POS_CENTER_ALWAYS)
|
|
self.set_default_size(gtk.gdk.screen_width(), gtk.gdk.screen_height())
|
|
self.set_app_paintable(True)
|
|
|
|
# self.connect('expose-event', self._expose_cb)
|
|
|
|
def appear(self):
|
|
pbuf = _grab_pixbuf(self._lower_window)
|
|
#pbuf.saturate_and_pixelate(pbuf, 0.5, False)
|
|
w = pbuf.get_width()
|
|
h = pbuf.get_height()
|
|
pbuf2 = pbuf.composite_color_simple(w, h, gtk.gdk.INTERP_NEAREST, 100, 1024, 0, 0)
|
|
self._img.set_from_pixbuf(pbuf2)
|
|
self.show_all()
|
|
|
|
def disappear(self):
|
|
self._img.set_from_pixbuf(None)
|
|
self.hide()
|
|
|
|
def _expose_cb(self, widget, event):
|
|
cr = widget.window.cairo_create()
|
|
cr.set_source_rgba(0.0, 0.0, 0.0, 0.4) # Transparent
|
|
cr.set_operator(cairo.OPERATOR_SOURCE)
|
|
cr.paint()
|
|
return False
|
|
|