[gthumb] Switching images on mouse-wheel is destructive

[Paolo Bacchilega <paobac src gnome org>]

commit a6fa049752eefdd496b08428bcfeb94804aa42ca
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Nov 7 10:26:50 2010 +0100

    Switching images on mouse-wheel is destructive
    
    [bug #631205]

 gthumb/gth-browser.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gthumb/gth-browser.c b/gthumb/gth-browser.c
index c476686..4129ff7 100644
--- a/gthumb/gth-browser.c
+++ b/gthumb/gth-browser.c
@@ -4736,6 +4736,9 @@ gth_browser_viewer_scroll_event_cb (GthBrowser     *browser,
 {
 	g_return_val_if_fail (event != NULL, FALSE);
 
+	if (gth_sidebar_tool_is_active (GTH_SIDEBAR (browser->priv->viewer_sidebar)))
+		return FALSE;
+
 	if (event->state & GDK_SHIFT_MASK)
 		return FALSE;