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Reverse horizontal scrolling on windows #966

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merged 2 commits into from Dec 20, 2021
Merged

Reverse horizontal scrolling on windows #966

merged 2 commits into from Dec 20, 2021

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aevyrie
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@aevyrie aevyrie commented Dec 17, 2021

Closes #965.

@@ -458,6 +458,9 @@ impl State {
// https://github.com/rust-windowing/winit/issues/1695 being closed
delta.x *= -1.0;
}
if cfg!(target_os = "windows") {
delta.x *= -1.0;
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if this is wrong on mac and windows, perhaps it is also wrong on linux? i.e perhaps we should just always invert delta.xno matter what platform

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I agree. However, it's not clear to me how we find the correct answer. As mentioned in #356, it appears that it's not even consistent across Linux desktop environments.

The only dev environment I have readily available is windows. I didn't want to cause problems on systems I can't test, and I wanted to keep this PR tightly scoped.

Most importantly, this is really a workaround for an upstream winit issue. If I can get this rust-windowing/winit#2101 merged, the egui issue and PR for horizontal scrolling on Windows can be closed.

egui-winit/src/lib.rs Outdated Show resolved Hide resolved
@emilk emilk merged commit c69fe94 into emilk:master Dec 20, 2021
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Horizontal scroll reversed in Windows native builds
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