fix: Inverse mouse scroll wheel on Linux (#585)

* fix: Inverse mouse scroll wheel on Linux * Add changelog file * Update .changes/linux-inversed-mouse-wheel.md Co-authored-by: Amr Bashir <[email protected]> Co-authored-by: Amr Bashir <[email protected]>
tauri-apps · Oct 11, 2022 · 8451f75 · 8451f75
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diff --git a/.changes/linux-inversed-mouse-wheel.md b/.changes/linux-inversed-mouse-wheel.md
@@ -0,0 +1,5 @@
+---
+"tao": patch
+---
+
+Fix inverted delta in `WindowEvent::MouseWheel` on Linux
diff --git a/src/platform_impl/linux/event_loop.rs b/src/platform_impl/linux/event_loop.rs
@@ -624,7 +624,7 @@ impl<T: 'static> EventLoop<T> {
                 window_id: RootWindowId(id),
                 event: WindowEvent::MouseWheel {
                   device_id: DEVICE_ID,
-                  delta: MouseScrollDelta::LineDelta(x as f32, y as f32),
+                  delta: MouseScrollDelta::LineDelta(-x as f32, -y as f32),
                   phase: match event.direction() {
                     ScrollDirection::Smooth => TouchPhase::Moved,
                     _ => TouchPhase::Ended,