X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-studio%2Ftrunk%2Fsrc%2Fgtkmm%2Fwidget_defaults.cpp;h=cf2f864c5b2efcc1bf8bdba050cef110fa347d58;hb=6204b47351d21c0dcde44b4a877a937dd14eb0dd;hp=4e85ffedfdbe7b8f584f70c3a540bb9bf8464262;hpb=8ef042c40521681cea99944097c4f90a5ac6cf74;p=synfig.git

diff --git a/synfig-studio/trunk/src/gtkmm/widget_defaults.cpp b/synfig-studio/trunk/src/gtkmm/widget_defaults.cpp
index 4e85ffe..cf2f864 100644
--- a/synfig-studio/trunk/src/gtkmm/widget_defaults.cpp
+++ b/synfig-studio/trunk/src/gtkmm/widget_defaults.cpp
@@ -170,13 +170,15 @@ public:
 				{
 					Distance dist(synfigapp::Main::get_bline_width());
 
-					if(event->scroll.direction==GDK_SCROLL_UP)
-					{
-						dist+=DEFAULT_INCREMENT;
-					}
-					else if(event->scroll.direction==GDK_SCROLL_DOWN)
-					{
-						dist-=DEFAULT_INCREMENT;
+					switch(event->scroll.direction){
+						case GDK_SCROLL_UP:
+						case GDK_SCROLL_RIGHT:
+							dist+=DEFAULT_INCREMENT;
+						break;
+						case GDK_SCROLL_DOWN:
+						case GDK_SCROLL_LEFT:
+							dist-=DEFAULT_INCREMENT;
+						break;
 					}
 					synfigapp::Main::set_bline_width(dist);
 					return true;