diff options
| -rw-r--r-- | src/api/cocoa/mod.rs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/api/cocoa/mod.rs b/src/api/cocoa/mod.rs index 138a448..66244d8 100644 --- a/src/api/cocoa/mod.rs +++ b/src/api/cocoa/mod.rs @@ -881,10 +881,13 @@ unsafe fn NSEventToEvent(window: &Window, nsevent: id) -> Option<Event> { }, NSScrollWheel => { use events::MouseScrollDelta::{LineDelta, PixelDelta}; + let scale_factor = window.hidpi_factor(); let delta = if nsevent.hasPreciseScrollingDeltas() == YES { - PixelDelta(nsevent.scrollingDeltaX() as f32, nsevent.scrollingDeltaY() as f32) + PixelDelta(scale_factor * nsevent.scrollingDeltaX() as f32, + scale_factor * nsevent.scrollingDeltaY() as f32) } else { - LineDelta(nsevent.scrollingDeltaX() as f32, nsevent.scrollingDeltaY() as f32) + LineDelta(scale_factor * nsevent.scrollingDeltaX() as f32, + scale_factor * nsevent.scrollingDeltaY() as f32) }; Some(MouseWheel(delta)) }, |