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Fix for macos fast scroll when pixel delta is received #898

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Merged
mrDIMAS merged 1 commit into from
Feb 11, 2026
Merged

Fix for macos fast scroll when pixel delta is received #898

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3 changes: 2 additions & 1 deletion .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -110,4 +110,5 @@ fabric.properties

# Resource Metadata
*.meta
*.registry
*.registry
.DS_Store
16 changes: 15 additions & 1 deletion fyrox-impl/src/utils/mod.rs
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Expand Up @@ -529,7 +529,21 @@ pub fn translate_event(event: &WindowEvent) -> Option<OsEvent> {
WindowEvent::MouseWheel { delta, .. } => match delta {
MouseScrollDelta::LineDelta(x, y) => Some(OsEvent::MouseWheel(*x, *y)),
MouseScrollDelta::PixelDelta(pos) => {
Some(OsEvent::MouseWheel(pos.x as f32, pos.y as f32))
#[cfg(target_os = "macos")]
{
// macOS trackpads emits pixel deltas; scale to line-like units to avoid excessive scroll speed.
const PIXELS_PER_LINE: f32 = 100.0;

Some(OsEvent::MouseWheel(
pos.x as f32 / PIXELS_PER_LINE,
pos.y as f32 / PIXELS_PER_LINE,
))
}

#[cfg(not(target_os = "macos"))]
{
Some(OsEvent::MouseWheel(pos.x as f32, pos.y as f32))
}
}
},
WindowEvent::MouseInput { state, button, .. } => Some(OsEvent::MouseInput {
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