diff options
| -rw-r--r-- | src/Fl_Scrollbar.cxx | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/Fl_Scrollbar.cxx b/src/Fl_Scrollbar.cxx index 47b853320..370162a16 100644 --- a/src/Fl_Scrollbar.cxx +++ b/src/Fl_Scrollbar.cxx @@ -129,8 +129,13 @@ int Fl_Scrollbar::handle(int event) { if (pushed_) return 1; return Fl_Slider::handle(event, X,Y,W,H); case FL_MOUSEWHEEL : - if (horizontal()) return 0; - handle_drag(clamp(value() + linesize_ * Fl::e_dy)); + if (horizontal()) { + if (Fl::e_dx==0) return 0; + handle_drag(clamp(value() + linesize_ * Fl::e_dx)); + } else { + if (Fl::e_dy==0) return 0; + handle_drag(clamp(value() + linesize_ * Fl::e_dy)); + } return 1; case FL_SHORTCUT: case FL_KEYBOARD: { |