Simplify focus a lot by using transient windows

sugar/shell/WindowManager.py

@@ -15,48 +15,11 @@ class WindowManager:
 	ABSOLUTE = 0
 	SCREEN_RELATIVE = 1
 	
-	VISIBLE = 0
-	SLIDED_IN = 1
-	HIDDEN = 2
-
 	def __init__(self, window):
 		self._window = window
-		self._visibility = WindowManager.HIDDEN
-
-		WindowManager.__managers_list.append(self)
-		
 		window.connect("key-press-event", self.__key_press_event_cb)
-		window.connect("focus-in-event", self.__focus_in_event_cb)
-		window.connect_after("focus-out-event", self.__focus_out_event_cb)
-
-	def has_focus(self):
-		return self._window.has_toplevel_focus()
-
-	def _update_visibility(self):		
-		visible = False
 		
-		if self._visibility is WindowManager.VISIBLE:
-			visible = True
-		elif self._visibility is WindowManager.HIDDEN:
-			visible = False
-		elif self._visibility is WindowManager.SLIDED_IN:
-			for manager in WindowManager.__managers_list:
-				if manager.has_focus():
-					visible = True
-		
-		if self._window.get_property('visible') != visible:
-			self._window.set_property('visible', visible)
-
-	def __focus_change_idle(self):
-		for manager in WindowManager.__managers_list:
-			manager._update_visibility()
-		return False
-
-	def __focus_in_event_cb(self, window, event):
-		gobject.idle_add(self.__focus_change_idle)
-				
-	def __focus_out_event_cb(self, window, event):
-		gobject.idle_add(self.__focus_change_idle)
+		WindowManager.__managers_list.append(self)
 		
 	def __key_press_event_cb(self, window, event):
 		manager = None
@@ -117,16 +80,13 @@ class WindowManager:
 		self._window.resize(width, height)
 
 	def slide_window_in(self):
-		self._visibility = WindowManager.SLIDED_IN
-		self._update_visibility()
+		self._window.show()
 	
 	def slide_window_out(self):
-		self._visibility = WindowManager.HIDDEN
-		self._update_visibility()
+		self._window.hide()
 	
 	def show(self):
-		self._visibility = WindowManager.VISIBLE
+		self._window.show()
 	
 	def manage(self):
 		self._update_size_and_position()
-		self._update_visibility()

sugar/shell/shell.py

@@ -215,7 +215,6 @@ class ActivityHost(dbus.service.Object):
 class ActivityContainer(dbus.service.Object):
 
 	def __init__(self, service, bus):
-
 		self.activities = []
 
 		self.bus = bus
@@ -225,7 +224,11 @@ class ActivityContainer(dbus.service.Object):
 		bus.add_signal_receiver(self.name_owner_changed, dbus_interface = "org.freedesktop.DBus", signal_name = "NameOwnerChanged")
 
 		self.window = gtk.Window()
+		self.window.connect("key-press-event", self.__key_press_event_cb)
 		self.window.set_title("OLPC Sugar")
+
+		self._fullscreen = False
+
 		self.notebook = gtk.Notebook()
 
 		tab_label = gtk.Label("Everyone")
@@ -308,6 +311,15 @@ class ActivityContainer(dbus.service.Object):
 		for owner, activity in self.activities:
 			print "  %d: owner=%s activity_object_name=%s" % (i, owner, activity.dbus_object_name)
 			i += 1
+	
+	def __key_press_event_cb(self, window, event):
+		if event.keyval == gtk.keysyms.F11:
+			if self._fullscreen:
+				window.unfullscreen()
+				self._fullscreen = False
+			else:
+				window.fullscreen()
+				self._fullscreen = True			
 
 class ConsoleLogger(dbus.service.Object):
 	def __init__(self):
@@ -383,6 +395,7 @@ def main():
 	wm.manage()
 
 	presence_window = PresenceWindow(activity_container)
+	presence_window.set_transient_for(activity_container.window)
 
 	wm = WindowManager(presence_window)
 	
@@ -392,6 +405,7 @@ def main():
 	wm.manage()
 	
 	group_chat = GroupChat()
+	group_chat.set_transient_for(activity_container.window)
 	group_chat.set_decorated(False)
 	group_chat.set_skip_taskbar_hint(True)