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authordominik <dominik@openttd.org>2004-08-20 11:25:36 +0000
committerdominik <dominik@openttd.org>2004-08-20 11:25:36 +0000
commitd0fe99d8a24119e0a5e0783b9f00b6a71af783ba (patch)
tree0d4b499237daf12a3f286bb746f1f4e5adcd7134 /window.c
parent146fab4188adcc5ebf112c1b4b1a756a7efb94c5 (diff)
downloadopenttd-d0fe99d8a24119e0a5e0783b9f00b6a71af783ba.tar.xz
(svn r87) Fix: rare mousewheel scrolling with scrollbar crash
Diffstat (limited to 'window.c')
-rw-r--r--window.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/window.c b/window.c
index 106e1798d..9bd17934a 100644
--- a/window.c
+++ b/window.c
@@ -85,8 +85,7 @@ void DispatchRightClickEvent(Window *w, int x, int y) {
void DispatchMouseWheelEvent(Window *w, int wheel)
{
-
- if (w->vscroll.count) {
+ if (w->vscroll.count > w->vscroll.cap) {
int pos = clamp(w->vscroll.pos + wheel, 0, w->vscroll.count - w->vscroll.cap);
if (pos != w->vscroll.pos) {
w->vscroll.pos = pos;