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Accumulate line scrolling

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Combined with https://github.com/pop-os/iced/pull/244, discrete value120
scrolling works better.
This commit is contained in:
Ian Douglas Scott 2025-10-07 15:30:17 -07:00 • committed by Ian Douglas Scott
parent bd9e031912
commit 1e61881b4f
1 changed files with 22 additions and 13 deletions
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23
src/main.rs
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@ -672,11 +672,8 @@ impl Application for App {
// Accumulate delta with a timer
// TODO: Should x scroll be handled too?
// Best time/pixel count?
let direction = match delta {
ScrollDelta::Pixels { x: _, mut y } => {
y = -y;
let previous_scroll = if let Some((scroll, last_scroll_time)) = self.scroll
{
let previous_scroll = if let Some((scroll, last_scroll_time)) = self.scroll {
if last_scroll_time.elapsed() > Duration::from_millis(100) {
0.
} else {
@ -686,6 +683,10 @@ impl Application for App {
0.
};
let direction = match delta {
ScrollDelta::Pixels { x: _, mut y } => {
y = -y;
let scroll = previous_scroll + y;
if scroll <= -4. {
self.scroll = None;
@ -705,12 +706,20 @@ impl Application for App {
}
ScrollDelta::Lines { x: _, mut y } => {
y = -y;
let scroll = previous_scroll + y;
if scroll <= -1. {
self.scroll = None;
if y < 0. {
ScrollDirection::Prev
} else if y > 0. {
} else if scroll >= 1. {
self.scroll = None;
ScrollDirection::Next
} else {
self.scroll = if y != 0. {
Some((scroll, Instant::now()))
} else {
None
};
return Task::none();
}
}