From cc44ab0ba9122fa5eb2b3b988e4ecb68a4b561c4 Mon Sep 17 00:00:00 2001
From: Oliver Duis <oduis@hotmail.com>
Date: Thu, 18 Nov 2010 08:02:57 +0100
Subject: [PATCH] Reduced thumbnail refreshing on enter single tab mode
 (faster, might be more stable also), see issue #337

---
 rtgui/thumbbrowserbase.cc | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/rtgui/thumbbrowserbase.cc b/rtgui/thumbbrowserbase.cc
index 76a16d92a..354d42144 100644
--- a/rtgui/thumbbrowserbase.cc
+++ b/rtgui/thumbbrowserbase.cc
@@ -495,7 +495,7 @@ void ThumbBrowserBase::refreshThumbImages () {
     for (int i=0; i<fd.size(); i++){
     	previewHeight = inTabMode ? options.thumbSizeTab : options.thumbSize;
     	fd[i]->resize (previewHeight);// TODO!!! Might be performance bottleneck
-        fd[i]->refreshThumbnailImage ();
+        fd[i]->refreshThumbnailImage ();  // TODO: This might cause crashes on some installations
     }
 
     redraw ();
@@ -525,10 +525,12 @@ void ThumbBrowserBase::enableTabMode(bool enable) {
     inTabMode = enable;
     arrangement = inTabMode ? ThumbBrowserBase::TB_Horizontal : ThumbBrowserBase::TB_Vertical;
     
-    if (options.thumbSizeTab!=options.thumbSize)
-        refreshThumbImages();
-    else
-        redraw();
+    if (options.thumbSizeTab!=options.thumbSize) {
+        for (int i=0; i<fd.size(); i++) 
+            fd[i]->resize (inTabMode ? options.thumbSizeTab : options.thumbSize);
+    }
+
+    redraw ();
 
     // Scroll to selected position if going into ribbon mode
     if (inTabMode && !selected.empty()) {