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tree: use discrete steps when scrolling containers

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This commit is contained in:
Julian Orth 2022-05-07 17:30:54 +02:00
parent fca7c7e1d2
commit b7831e1019
1 changed files with 11 additions and 8 deletions
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19
src/tree/container.rs
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@ -1154,15 +1154,18 @@ impl Node for ContainerNode {
Some(mc) => mc,
_ => return,
};
let scroll = match event.axis[VERTICAL_SCROLL as usize].get() {
Some(s) => s,
_ => return,
let discrete = if let Some(d) = event.discrete[VERTICAL_SCROLL as usize].get() {
self.scroll.set(0.0);
d
} else if let Some(scroll) = event.axis[VERTICAL_SCROLL as usize].get() {
let mut scroll = self.scroll.get() + scroll.to_f64();
let discrete = (scroll / PX_PER_SCROLL).round();
scroll -= discrete * PX_PER_SCROLL;
self.scroll.set(scroll);
discrete as i32
} else {
return;
};
let mut scroll = self.scroll.get() + scroll.to_f64();
let discrete = (scroll / PX_PER_SCROLL).round();
scroll -= discrete * PX_PER_SCROLL;
self.scroll.set(scroll);
let discrete = discrete as i32;
let mut new_mc = cur_mc.clone();
for _ in 0..discrete.abs() {
let new = if discrete < 0 {