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x11: improve default wheel distance per tick

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On x11 we'd get just a single line per scroll wheel tick.
Contrast with Wayland where we get multiple.

This config change makes us feel more snappy by default on X11.

I'd like to make this configurable using the live configuration
infra, but we don't currently have a way for this crate to see
that config, so this just changes the default to be "better".

refs: https://github.com/wez/wezterm/issues/92
This commit is contained in:
Wez Furlong 2020-01-02 11:32:26 -08:00
parent 8d3e513ed8
commit e424a4ce6c
1 changed files with 11 additions and 1 deletions
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12
window/src/os/x11/window.rs
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@ -324,7 +324,17 @@ impl XWindowInner {
if r == xcb::BUTTON_RELEASE {
return Ok(());
}
MouseEventKind::VertWheel(if b == 4 { 1 } else { -1 })
// Ideally this would be configurable, but it's currently a bit
// awkward to configure this layer, so let's just improve the
// default for now!
const LINES_PER_TICK: i16 = 5;
MouseEventKind::VertWheel(if b == 4 {
LINES_PER_TICK
} else {
-LINES_PER_TICK
})
}
_ => {
eprintln!("button {} is not implemented", button_press.detail());