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table: Fix to only handle one way scrolling at same time. (#507)

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Closes #314
This commit is contained in:
Jason Lee 2024-12-20 22:07:01 +08:00
parent 28463d3a18
commit 500aa2d7c5
1 changed files with 23 additions and 14 deletions
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37
crates/ui/src/scroll/scrollable_mask.rs
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@ -126,29 +126,38 @@ impl Element for ScrollableMask {
let hitbox = hitbox.clone();
let mouse_position = cx.mouse_position();
let scroll_handle = self.scroll_handle.clone();
let old_offset = scroll_handle.offset();
let last_offset = scroll_handle.offset();
let view_id = self.view.entity_id();
let is_horizontal = self.axis == ScrollableAxis::Horizontal;
let is_horizontal = matches!(self.axis, ScrollableAxis::Horizontal);
move |event: &ScrollWheelEvent, phase, cx| {
if bounds.contains(&mouse_position) && phase.bubble() && hitbox.is_hovered(cx) {
let delta = event.delta.pixel_delta(line_height);
let mut delta = event.delta.pixel_delta(line_height);
let mut offset = scroll_handle.offset();
if is_horizontal && !delta.x.is_zero() {
// When is horizontal scroll, move the horizontal scroll handle to make scrolling.
let mut offset = scroll_handle.offset();
offset.x += delta.x;
scroll_handle.set_offset(offset);
// Limit for only one way scrolling at same time.
// When use MacBook touchpad we may get both x and y delta,
// only allows the one that more to scroll.
if !delta.x.is_zero() && !delta.y.is_zero() {
if delta.x.abs() > delta.y.abs() {
delta.y = px(0.);
} else {
delta.x = px(0.);
}
}
if !is_horizontal && !delta.y.is_zero() {
// When is vertical scroll, move the vertical scroll handle to make scrolling.
let mut offset = scroll_handle.offset();
offset.y += delta.y;
scroll_handle.set_offset(offset);
if is_horizontal {
if !delta.x.is_zero() {
offset.x += delta.x;
}
} else {
if !delta.y.is_zero() {
offset.y += delta.y;
}
}
if old_offset != scroll_handle.offset() {
if last_offset != offset {
scroll_handle.set_offset(offset);
cx.notify(Some(view_id));
cx.stop_propagation();
}