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Add a double click to reset resized splits (#2762)

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fixes https://github.com/zed-industries/community/issues/1791

Release Notes:

- Double clicking on split resize handles now resets the split's
dimensions
This commit is contained in:
Mikayla Maki 2023-07-20 10:55:19 -07:00 • committed by GitHub
commit 0e9cad4935
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 64 additions and 48 deletions
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112
crates/workspace/src/pane_group.rs
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@ -826,63 +826,79 @@ mod element {
let child_size = child.size();
let next_child_size = next_child.size();
let drag_bounds = visible_bounds.clone();
let flexes = self.flexes.clone();
let current_flex = flexes.borrow()[ix];
let flexes = self.flexes.borrow();
let current_flex = flexes[ix];
let next_ix = *next_ix;
let next_flex = flexes.borrow()[next_ix];
let next_flex = flexes[next_ix];
drop(flexes);
enum ResizeHandle {}
let mut mouse_region = MouseRegion::new::<ResizeHandle>(
cx.view_id(),
self.basis + ix,
handle_bounds,
);
mouse_region = mouse_region.on_drag(
MouseButton::Left,
move |drag, workspace: &mut Workspace, cx| {
let min_size = match axis {
Axis::Horizontal => HORIZONTAL_MIN_SIZE,
Axis::Vertical => VERTICAL_MIN_SIZE,
};
// Don't allow resizing to less than the minimum size, if elements are already too small
if min_size - 1. > child_size.along(axis)
|| min_size - 1. > next_child_size.along(axis)
{
return;
mouse_region = mouse_region
.on_drag(MouseButton::Left, {
let flexes = self.flexes.clone();
move |drag, workspace: &mut Workspace, cx| {
let min_size = match axis {
Axis::Horizontal => HORIZONTAL_MIN_SIZE,
Axis::Vertical => VERTICAL_MIN_SIZE,
};
// Don't allow resizing to less than the minimum size, if elements are already too small
if min_size - 1. > child_size.along(axis)
|| min_size - 1. > next_child_size.along(axis)
{
return;
}
let mut current_target_size =
(drag.position - child_start).along(axis);
let proposed_current_pixel_change =
current_target_size - child_size.along(axis);
if proposed_current_pixel_change < 0. {
current_target_size = f32::max(current_target_size, min_size);
} else if proposed_current_pixel_change > 0. {
// TODO: cascade this change to other children if current item is at min size
let next_target_size = f32::max(
next_child_size.along(axis) - proposed_current_pixel_change,
min_size,
);
current_target_size = f32::min(
current_target_size,
child_size.along(axis) + next_child_size.along(axis)
- next_target_size,
);
}
let current_pixel_change =
current_target_size - child_size.along(axis);
let flex_change =
current_pixel_change / drag_bounds.length_along(axis);
let current_target_flex = current_flex + flex_change;
let next_target_flex = next_flex - flex_change;
let mut borrow = flexes.borrow_mut();
*borrow.get_mut(ix).unwrap() = current_target_flex;
*borrow.get_mut(next_ix).unwrap() = next_target_flex;
workspace.schedule_serialize(cx);
cx.notify();
}
let mut current_target_size = (drag.position - child_start).along(axis);
let proposed_current_pixel_change =
current_target_size - child_size.along(axis);
if proposed_current_pixel_change < 0. {
current_target_size = f32::max(current_target_size, min_size);
} else if proposed_current_pixel_change > 0. {
// TODO: cascade this change to other children if current item is at min size
let next_target_size = f32::max(
next_child_size.along(axis) - proposed_current_pixel_change,
min_size,
);
current_target_size = f32::min(
current_target_size,
child_size.along(axis) + next_child_size.along(axis)
- next_target_size,
);
})
.on_click(MouseButton::Left, {
let flexes = self.flexes.clone();
move |e, v: &mut Workspace, cx| {
if e.click_count >= 2 {
let mut borrow = flexes.borrow_mut();
*borrow = vec![1.; borrow.len()];
v.schedule_serialize(cx);
cx.notify();
}
}
let current_pixel_change = current_target_size - child_size.along(axis);
let flex_change = current_pixel_change / drag_bounds.length_along(axis);
let current_target_flex = current_flex + flex_change;
let next_target_flex = next_flex - flex_change;
let mut borrow = flexes.borrow_mut();
*borrow.get_mut(ix).unwrap() = current_target_flex;
*borrow.get_mut(next_ix).unwrap() = next_target_flex;
workspace.schedule_serialize(cx);
cx.notify();
},
);
});
scene.push_mouse_region(mouse_region);
scene.pop_stacking_context();