$NetBSD: patch-aa,v 1.1 2009/08/14 23:20:29 snj Exp $

--- src/gtk/MainView.cxx.orig	2009-02-28 13:00:55.000000000 -0800
+++ src/gtk/MainView.cxx	2009-08-14 16:10:10.000000000 -0700
@@ -77,7 +77,7 @@ static void main_window_zoom_in_cb (GtkW
 static void main_window_zoom_out_cb (GtkWidget *, gpointer);
 static void main_window_zoom_width_cb (GtkToggleAction *, gpointer);
 static void main_window_set_page_mode (GtkRadioAction *, GtkRadioAction *, gpointer);
-static void main_window_page_scrolled_cb (GtkWidget *widget, GdkEventScroll *event, gpointer data);
+static gboolean main_window_page_scrolled_cb (GtkWidget *widget, GdkEventScroll *event, gpointer data);
 
 #if defined (HAVE_CUPS)
 static void main_window_print_cb (GtkWidget *, gpointer);
@@ -1479,18 +1479,25 @@ main_window_set_page_mode (GtkRadioActio
     pter->setPageMode (mode);
 }
 
-void 
+gboolean 
 main_window_page_scrolled_cb (GtkWidget *widget, GdkEventScroll *event, gpointer data)
 {
     g_assert ( NULL != data && "The data parameter is NULL.");
 
     MainPter *pter = (MainPter *)data;
     // Only zoom when the CTRL-Button is down...
-    if ( !(event->state & GDK_CONTROL_MASK) ) return;
-    if ( event->direction == GDK_SCROLL_UP ) {
-        pter->zoomInActivated ();
-    } else if ( event->direction == GDK_SCROLL_DOWN ) {
-        pter->zoomOutActivated ();
+    if ( GDK_CONTROL_MASK == (event->state & GDK_CONTROL_MASK) )
+    {
+        if ( event->direction == GDK_SCROLL_UP )
+        {
+            pter->zoomInActivated ();
+        }
+        else if ( event->direction == GDK_SCROLL_DOWN )
+        {
+            pter->zoomOutActivated ();
+        }
+        return TRUE;
     }
+    return FALSE;
 }
 
