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Fix communication of fractional RI_MOUSE_WHEEL events (Windows) (#1877)

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Norbert Nemec 2021-03-11 22:08:29 +01:00 • committed by GitHub
parent 599477d754
commit 86748fbc68
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3 changed files with 52 additions and 2 deletions
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5
src/platform_impl/windows/event_loop.rs
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@ -2101,11 +2101,12 @@ unsafe extern "system" fn thread_event_target_callback<T: 'static>(
}
if util::has_flag(mouse.usButtonFlags, winuser::RI_MOUSE_WHEEL) {
let delta = mouse.usButtonData as SHORT / winuser::WHEEL_DELTA;
let delta =
mouse.usButtonData as SHORT as f32 / winuser::WHEEL_DELTA as f32;
subclass_input.send_event(Event::DeviceEvent {
device_id,
event: MouseWheel {
delta: LineDelta(0.0, delta as f32),
delta: LineDelta(0.0, delta),
},
});
}