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Avoid flicker when toggling project browser on workspace open

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This commit is contained in:
Antonio Scandurra 2022-04-22 11:45:18 +02:00
parent 9730213ed7
commit 3def7a6803
3 changed files with 57 additions and 40 deletions
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21
crates/workspace/src/sidebar.rs
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@ -8,7 +8,8 @@ pub struct Sidebar {
side: Side,
items: Vec<Item>,
active_item_ix: Option<usize>,
width: Rc<RefCell<f32>>,
actual_width: Rc<RefCell<f32>>,
custom_width: Rc<RefCell<f32>>,
}
#[derive(Clone, Copy, Deserialize)]
@ -42,7 +43,8 @@ impl Sidebar {
side,
items: Default::default(),
active_item_ix: None,
width: Rc::new(RefCell::new(260.)),
actual_width: Rc::new(RefCell::new(260.)),
custom_width: Rc::new(RefCell::new(260.)),
}
}
@ -137,12 +139,12 @@ impl Sidebar {
container.add_child(
Hook::new(
ConstrainedBox::new(ChildView::new(active_item).boxed())
.with_max_width(*self.width.borrow())
.with_max_width(*self.custom_width.borrow())
.boxed(),
)
.on_after_layout({
let width = self.width.clone();
move |size, _| *width.borrow_mut() = size.x()
let actual_width = self.actual_width.clone();
move |size, _| *actual_width.borrow_mut() = size.x()
})
.flex(1., false)
.boxed(),
@ -157,7 +159,8 @@ impl Sidebar {
}
fn render_resize_handle(&self, theme: &Theme, cx: &mut RenderContext<Workspace>) -> ElementBox {
let width = self.width.clone();
let actual_width = self.actual_width.clone();
let custom_width = self.custom_width.clone();
let side = self.side;
MouseEventHandler::new::<Self, _, _>(side as usize, cx, |_, _| {
Container::new(Empty::new().boxed())
@ -171,10 +174,10 @@ impl Sidebar {
})
.with_cursor_style(CursorStyle::ResizeLeftRight)
.on_drag(move |delta, cx| {
let prev_width = *width.borrow();
let prev_width = *actual_width.borrow();
match side {
Side::Left => *width.borrow_mut() = 0f32.max(prev_width + delta.x()),
Side::Right => *width.borrow_mut() = 0f32.max(prev_width - delta.x()),
Side::Left => *custom_width.borrow_mut() = 0f32.max(prev_width + delta.x()),
Side::Right => *custom_width.borrow_mut() = 0f32.max(prev_width - delta.x()),
}
cx.notify();