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Fix wayland vertical scroll sign

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Alex Butler 2017-07-18 12:41:15 +01:00
parent 506e830cb0
commit 58b800c344
1 changed files with 4 additions and 2 deletions
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6
src/platform/linux/wayland/event_loop.rs
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@ -455,7 +455,8 @@ impl wl_pointer::Handler for InputHandler {
{
let (mut x, mut y) = self.axis_buffer.unwrap_or((0.0, 0.0));
match axis {
wl_pointer::Axis::VerticalScroll => y += value as f32,
// wayland vertical sign convention is the inverse of winit
wl_pointer::Axis::VerticalScroll => y -= value as f32,
wl_pointer::Axis::HorizontalScroll => x += value as f32
}
self.axis_buffer = Some((x,y));
@ -518,7 +519,8 @@ impl wl_pointer::Handler for InputHandler {
{
let (mut x, mut y) = self.axis_discrete_buffer.unwrap_or((0,0));
match axis {
wl_pointer::Axis::VerticalScroll => y += discrete,
// wayland vertical sign convention is the inverse of winit
wl_pointer::Axis::VerticalScroll => y -= discrete,
wl_pointer::Axis::HorizontalScroll => x += discrete
}
self.axis_discrete_buffer = Some((x,y));