diff options
Diffstat (limited to 'dw/fltkviewport.cc')
| -rw-r--r-- | dw/fltkviewport.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/dw/fltkviewport.cc b/dw/fltkviewport.cc index f0b69cb8..b8f4e51e 100644 --- a/dw/fltkviewport.cc +++ b/dw/fltkviewport.cc @@ -348,6 +348,16 @@ int FltkViewport::handle (int event) break; case FL_MOUSEWHEEL: + if ((vscrollbar->visible() && Fl::event_inside(vscrollbar)) || + Fl::event_shift()) { + if (Fl::event_dy() > 0) { + scroll(core::SCREEN_DOWN_CMD); + return 1; + } else if (Fl::event_dy() < 0) { + scroll(core::SCREEN_UP_CMD); + return 1; + } + } return (Fl::event_dx() ? hscrollbar : vscrollbar)->handle(event); break; |