From 5e14781ad795894ac5aa52102021255668561a17 Mon Sep 17 00:00:00 2001
From: Tomeu Vizoso <tomeu@tomeuvizoso.net>
Date: Thu, 05 Jul 2007 12:16:36 +0000
Subject: Hide the active palette if another pops up.

---
(limited to 'sugar')

diff --git a/sugar/graphics/palette.py b/sugar/graphics/palette.py
index ef1a61c..3a816d5 100644
--- a/sugar/graphics/palette.py
+++ b/sugar/graphics/palette.py
@@ -55,6 +55,7 @@ class Palette(gobject.GObject):
         gobject.GObject.__init__(self)
 
         self._position = self.AUTOMATIC
+        self._palette_popup_sid = None
 
         self._popup_anim = animator.Animator(0.3, 10)
         self._popup_anim.add(_PopupAnimation(self))
@@ -202,9 +203,15 @@ class Palette(gobject.GObject):
             if not self._in_screen(x, y):
                 x, y = self._get_position(_TOP_RIGHT)
 
+        self._palette_popup_sid = _palette_observer.connect('popup',
+                    self._palette_observer_popup_cb)
         self._menu.popup(x, y)
+        _palette_observer.emit('popup', self)
 
     def _hide(self):
+        if not self._palette_popup_sid is None:
+            _palette_observer.disconnect(self._palette_popup_sid)
+            self._palette_popup_sid = None
         self._menu.popdown()
 
     def popup(self):
@@ -234,6 +241,10 @@ class Palette(gobject.GObject):
     def _button_press_event_cb(self, widget, event):
         pass
 
+    def _palette_observer_popup_cb(self, observer, palette):
+        if self != palette:
+            self._hide()
+
 class _PrimaryMenuItem(gtk.MenuItem):
     def __init__(self, label, accel_path):
         gtk.MenuItem.__init__(self)
@@ -390,3 +401,15 @@ class CanvasInvoker(Invoker):
             self.notify_mouse_leave()
 
         return False
+
+class _PaletteObserver(gobject.GObject):
+    __gtype_name__ = 'SugarPaletteObserver'
+
+    __gsignals__ = {
+        'popup': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([object]))
+    }
+
+    def __init__(self):
+        gobject.GObject.__init__(self)
+
+_palette_observer = _PaletteObserver()
--
cgit v0.9.1