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list: Allow disabling List selection. (#545)

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## Break changes

- Renamed list `enable_scrollbar` to `scrollbar_visible` to match with
the table API.

---------

Co-authored-by: Jason Lee <huacnlee@gmail.com>
This commit is contained in:
ihavecoke 2025-01-14 10:05:49 +08:00 committed by GitHub
parent a9102ec793
commit 1d18edef12
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GPG key ID: B5690EEEBB952194
1 changed files with 42 additions and 33 deletions
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75
crates/ui/src/list/list.rs
View file

@ -109,12 +109,11 @@ pub struct List<D: ListDelegate> {
max_height: Option<Length>,
query_input: Option<View<TextInput>>,
last_query: Option<String>,
selectable: bool,
loading: bool,
enable_scrollbar: bool,
scrollbar_visible: bool,
vertical_scroll_handle: UniformListScrollHandle,
scrollbar_state: Rc<Cell<ScrollbarState>>,
pub(crate) size: Size,
selected_index: Option<usize>,
right_clicked_index: Option<usize>,
@ -147,7 +146,8 @@ where
vertical_scroll_handle: UniformListScrollHandle::new(),
scrollbar_state: Rc::new(Cell::new(ScrollbarState::new())),
max_height: None,
enable_scrollbar: true,
scrollbar_visible: true,
selectable: true,
loading: false,
size: Size::default(),
_search_task: Task::ready(()),
@ -169,8 +169,9 @@ where
self
}
pub fn no_scrollbar(mut self) -> Self {
self.enable_scrollbar = false;
/// Set the visibility of the scrollbar, default is true.
pub fn scrollbar_visible(mut self, visible: bool) -> Self {
self.scrollbar_visible = visible;
self
}
@ -179,6 +180,12 @@ where
self
}
/// Sets whether the list is selectable, default is true.
pub fn selectable(mut self, selectable: bool) -> Self {
self.selectable = selectable;
self
}
pub fn set_query_input(&mut self, query_input: View<TextInput>, cx: &mut ViewContext<Self>) {
cx.subscribe(&query_input, Self::on_query_input_event)
.detach();
@ -220,7 +227,7 @@ where
}
fn render_scrollbar(&self, cx: &mut ViewContext<Self>) -> Option<impl IntoElement> {
if !self.enable_scrollbar {
if !self.scrollbar_visible {
return None;
}
@ -383,34 +390,36 @@ where
.w_full()
.relative()
.children(self.delegate.render_item(ix, cx))
.when(selected || right_clicked, |this| {
this.child(
div()
.absolute()
.top(px(0.))
.left(px(0.))
.right(px(0.))
.bottom(px(0.))
.when(selected, |this| this.bg(cx.theme().list_active))
.border_1()
.border_color(cx.theme().list_active_border),
.when(self.selectable, |this| {
this.when(selected || right_clicked, |this| {
this.child(
div()
.absolute()
.top(px(0.))
.left(px(0.))
.right(px(0.))
.bottom(px(0.))
.when(selected, |this| this.bg(cx.theme().list_active))
.border_1()
.border_color(cx.theme().list_active_border),
)
})
.on_mouse_down(
MouseButton::Left,
cx.listener(move |this, _, cx| {
this.right_clicked_index = None;
this.selected_index = Some(ix);
this.on_action_confirm(&Confirm, cx);
}),
)
.on_mouse_down(
MouseButton::Right,
cx.listener(move |this, _, cx| {
this.right_clicked_index = Some(ix);
cx.notify();
}),
)
})
.on_mouse_down(
MouseButton::Left,
cx.listener(move |this, _, cx| {
this.right_clicked_index = None;
this.selected_index = Some(ix);
this.on_action_confirm(&Confirm, cx);
}),
)
.on_mouse_down(
MouseButton::Right,
cx.listener(move |this, _, cx| {
this.right_clicked_index = Some(ix);
cx.notify();
}),
)
}
}