1 files changed, 68 insertions, 0 deletions
diff --git a/src/view/OverlayWindow.py b/src/view/OverlayWindow.py
new file mode 100644
index 0000000..376ca2f
--- /dev/null
+++ b/src/view/OverlayWindow.py
@@ -0,0 +1,68 @@
+# Copyright (C) 2006-2007 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
+