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(svn r2530) - Fix: [ 1219829 ] Mouse-wheel crashes OTTD. Widget detection failed to detect the most-right and most-bottom pixels of a widget. If scrollwheel is used on a not-found widget (such as the background of the toolbar), it will now fail correctly (glx)

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Darkvater
2005-07-08 00:14:19 +00:00
parent 480ced43c9
commit a014ef6340
3 changed files with 22 additions and 19 deletions
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17
window.c
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@@ -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