diff options
Diffstat (limited to 'window.c')
| -rw-r--r-- | window.c | 17 |
1 files changed, 13 insertions, 4 deletions
@@ -98,13 +98,22 @@ void DispatchRightClickEvent(Window *w, int x, int y) { w->wndproc(w, &e); } - -void DispatchMouseWheelEvent(Window *w, uint widget, int wheel) +/** Dispatch the mousewheel-action to the window which will scroll any + * compatible scrollbars if the mouse is pointed over the bar or its contents + * @param *w Window + * @param widget the widget where the scrollwheel was used + * @param wheel scroll up or down + */ +void DispatchMouseWheelEvent(Window *w, int widget, int wheel) { - const Widget *wi1 = &w->widget[widget]; - const Widget *wi2 = &w->widget[widget + 1]; + const Widget *wi1, *wi2; Scrollbar *sb; + if (widget < 0) return; + + wi1 = &w->widget[widget]; + wi2 = &w->widget[widget + 1]; + /* The listbox can only scroll if scrolling was done on the scrollbar itself, * or on the listbox (and the next item is (must be) the scrollbar) * XXX - should be rewritten as a widget-dependent scroller but that's |