{
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;