alex/winit-sonoma-fix
1
0
Fork 0
mirror of https://github.com/italicsjenga/winit-sonoma-fix.git synced 2024-12-25 06:41:31 +11:00
Code Issues Packages Projects Releases Wiki Activity

osx: scroll delta should take hidpi factor into account

Browse source
This commit is contained in:
Paul Rouget 2016-02-02 10:25:26 +01:00
parent 5288b7dfc6
commit 99073eec7b
1 changed files with 5 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
src/api/cocoa/mod.rs
View file

@ -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))
},