diff options
| -rw-r--r-- | src/video/cocoa/event.mm | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/video/cocoa/event.mm b/src/video/cocoa/event.mm index 77f683af8..de812a70d 100644 --- a/src/video/cocoa/event.mm +++ b/src/video/cocoa/event.mm @@ -581,7 +581,10 @@ static bool QZ_PollEvent() /* Use precise scrolling-specific deltas if they're supported. */ #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7) - if ([event respondsToSelector:@selector(scrollingDeltaX)]) { + if ([event respondsToSelector:@selector(hasPreciseScrollingDeltas)]) { + /* No precise deltas indicates a scroll wheel is being used, so we don't want 2D scrolling. */ + if (![ event hasPreciseScrollingDeltas ]) break; + deltaX = [ event scrollingDeltaX ] * 0.5f; deltaY = [ event scrollingDeltaY ] * 0.5f; } else |