From f28fac6107e8cc0551f517efe2e917dda35f2c70 Mon Sep 17 00:00:00 2001
From: Julien Danjou <julien@danjou.info>
Date: Wed, 6 Aug 2008 14:24:54 +0200
Subject: [PATCH] widget: optimize cache invalidation

Signed-off-by: Julien Danjou <julien@danjou.info>
---
 widget.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/widget.c b/widget.c
index 4ce13fafd..a2ab58312 100644
--- a/widget.c
+++ b/widget.c
@@ -235,15 +235,16 @@ widget_invalidate_bywidget(widget_t *widget)
         for(statusbar = globalconf.screens[screen].statusbar;
             statusbar;
             statusbar = statusbar->next)
-            for(witer = statusbar->widgets; witer; witer = witer->next)
-                if(witer->widget == widget)
-                {
-                    statusbar->need_update = true;
-                    break;
-                }
+            if(!statusbar->need_update)
+                for(witer = statusbar->widgets; witer; witer = witer->next)
+                    if(witer->widget == widget)
+                    {
+                        statusbar->need_update = true;
+                        break;
+                    }
 
     for(c = globalconf.clients; c; c = c->next)
-        if(c->titlebar)
+        if(c->titlebar && !c->titlebar->need_update)
             for(witer = c->titlebar->widgets; witer; witer = witer->next)
                 if(witer->widget == widget)
                     c->titlebar->need_update = true;