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69 lines
2.3 KiB
Python
69 lines
2.3 KiB
Python
# Copyright (C) 2006-2007 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import gtk
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import cairo
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def _grab_pixbuf(window=None):
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if not window:
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screen = gtk.gdk.screen_get_default()
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window = screen.get_root_window()
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color_map = gtk.gdk.colormap_get_system()
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(x, y, w, h, bpp) = window.get_geometry()
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return gtk.gdk.pixbuf_get_from_drawable(None, window, color_map, x, y, 0, 0, w, h)
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class OverlayWindow(gtk.Window):
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def __init__(self, lower_window):
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gtk.Window.__init__(self)
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self._lower_window = lower_window
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self._img = gtk.Image()
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self.add(self._img)
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self.realize()
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self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
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self.window.set_accept_focus(False)
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self.window.set_transient_for(lower_window)
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self.set_decorated(False)
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self.set_position(gtk.WIN_POS_CENTER_ALWAYS)
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self.set_default_size(gtk.gdk.screen_width(), gtk.gdk.screen_height())
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self.set_app_paintable(True)
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# self.connect('expose-event', self._expose_cb)
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def appear(self):
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pbuf = _grab_pixbuf(self._lower_window)
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#pbuf.saturate_and_pixelate(pbuf, 0.5, False)
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w = pbuf.get_width()
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h = pbuf.get_height()
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pbuf2 = pbuf.composite_color_simple(w, h, gtk.gdk.INTERP_NEAREST, 100, 1024, 0, 0)
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self._img.set_from_pixbuf(pbuf2)
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self.show_all()
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def disappear(self):
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self._img.set_from_pixbuf(None)
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self.hide()
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def _expose_cb(self, widget, event):
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cr = widget.window.cairo_create()
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cr.set_source_rgba(0.0, 0.0, 0.0, 0.4) # Transparent
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cr.set_operator(cairo.OPERATOR_SOURCE)
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cr.paint()
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return False
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