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-rw-r--r--src/api/cocoa/mod.rs8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/api/cocoa/mod.rs b/src/api/cocoa/mod.rs
index 43628ea..877aba7 100644
--- a/src/api/cocoa/mod.rs
+++ b/src/api/cocoa/mod.rs
@@ -276,8 +276,12 @@ impl<'a> Iterator for PollEventsIterator<'a> {
event
},
NSScrollWheel => {
- use events::MouseScrollDelta::PixelDelta;
- let delta = PixelDelta(event.scrollingDeltaX() as f32, event.scrollingDeltaY() as f32);
+ use events::MouseScrollDelta::{LineDelta, PixelDelta};
+ let delta = if event.hasPreciseScrollingDeltas() == YES {
+ PixelDelta(event.scrollingDeltaX() as f32, event.scrollingDeltaY() as f32)
+ } else {
+ LineDelta(event.scrollingDeltaX() as f32, event.scrollingDeltaY() as f32)
+ };
Some(MouseWheel(delta))
},
_ => { None },