From be70008c0705093fbc666702c1bc208b91b45d36 Mon Sep 17 00:00:00 2001
From: Marco Pesenti Gritti <marco@localhost.localdomain>
Date: Sun, 01 Oct 2006 17:06:09 +0000
Subject: Merge branch 'master' of git+ssh://dev.laptop.org/git/sugar

---
(limited to 'shell')

diff --git a/shell/view/ActivityHost.py b/shell/view/ActivityHost.py
index a9d55ea..259f3fb 100644
--- a/shell/view/ActivityHost.py
+++ b/shell/view/ActivityHost.py
@@ -8,12 +8,14 @@ from sugar.canvas.IconColor import IconColor
 from sugar.p2p import Stream
 from sugar.p2p import network
 from sugar.chat import ActivityChat
+import OverlayWindow
 
 class ActivityChatWindow(gtk.Window):
 	def __init__(self, gdk_window, chat_widget):
 		gtk.Window.__init__(self)
 
 		self.realize()
+		self.set_decorated(False)
 		self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
 		self.window.set_accept_focus(True)		
 		self.window.set_transient_for(gdk_window)
@@ -43,8 +45,15 @@ class ActivityHost:
 		info = registry.get_activity(self._type)
 		self._icon_name = info.get_icon()
 
+		try:
+			self._overlay_window = OverlayWindow.OverlayWindow(self._gdk_window)
+			win = self._overlay_window.window
+		except RuntimeError:
+			self._overlay_window = None
+			win = self._gdk_window
+
 		self._chat_widget = ActivityChat.ActivityChat(self)
-		self._chat_window = ActivityChatWindow(self._gdk_window, self._chat_widget)
+		self._chat_window = ActivityChatWindow(win, self._chat_widget)
 
 		self._frame_was_visible = False
 		self._shell.connect('activity-changed', self._activity_changed_cb)
@@ -101,11 +110,15 @@ class ActivityHost:
 		dialog.window.set_transient_for(self._gdk_window)
 
 	def chat_show(self, frame_was_visible):
+		if self._overlay_window:
+			self._overlay_window.show_all()
 		self._chat_window.show_all()
 		self._frame_was_visible = frame_was_visible
 
 	def chat_hide(self):
 		self._chat_window.hide()
+		if self._overlay_window:
+			self._overlay_window.hide()
 		wasvis = self._frame_was_visible
 		self._frame_was_visible = False
 		return wasvis
diff --git a/shell/view/Makefile.am b/shell/view/Makefile.am
index e932ff0..e1db869 100644
--- a/shell/view/Makefile.am
+++ b/shell/view/Makefile.am
@@ -9,4 +9,5 @@ sugar_PYTHON =				\
 	FirstTimeDialog.py		\
 	BuddyIcon.py			\
 	BuddyMenu.py			\
+	OverlayWindow.py		\
 	Shell.py
diff --git a/shell/view/OverlayWindow.py b/shell/view/OverlayWindow.py
new file mode 100644
index 0000000..1335360
--- /dev/null
+++ b/shell/view/OverlayWindow.py
@@ -0,0 +1,34 @@
+import gtk
+import cairo
+
+
+class OverlayWindow(gtk.Window):
+	def __init__(self, lower_window):
+		gtk.Window.__init__(self)
+
+		colormap = self.get_screen().get_rgba_colormap()
+		colormap=None
+		if not colormap:
+			raise RuntimeError("The window manager doesn't support compositing.")
+		self.set_colormap(colormap)
+
+		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 _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
+
--
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