#![allow(missing_docs)]use gpui::{AnyElement, ScrollHandle};use smallvec::SmallVec; use crate::prelude::*;use crate::Tab; #[derive(IntoElement)]pub struct TabBar { id: ElementId, start_children: SmallVec<[AnyElement; 2]>, children: SmallVec<[AnyElement; 2]>, end_children: SmallVec<[AnyElement; 2]>, scroll_handle: Option<ScrollHandle>,} impl TabBar { pub fn new(id: impl Into<ElementId>) -> Self { Self { id: id.into(), start_children: SmallVec::new(), children: SmallVec::new(), end_children: SmallVec::new(), scroll_handle: None, } } pub fn track_scroll(mut self, scroll_handle: ScrollHandle) -> Self { self.scroll_handle = Some(scroll_handle); self } pub fn start_children_mut(&mut self) -> &mut SmallVec<[AnyElement; 2]> { &mut self.start_children } pub fn start_child(mut self, start_child: impl IntoElement) -> Self where Self: Sized, { self.start_children_mut() .push(start_child.into_element().into_any()); self } pub fn start_children( mut self, start_children: impl IntoIterator<Item = impl IntoElement>, ) -> Self where Self: Sized, { self.start_children_mut().extend( start_children .into_iter() .map(|child| child.into_any_element()), ); self } pub fn end_children_mut(&mut self) -> &mut SmallVec<[AnyElement; 2]> { &mut self.end_children } pub fn end_child(mut self, end_child: impl IntoElement) -> Self where Self: Sized, { self.end_children_mut() .push(end_child.into_element().into_any()); self } pub fn end_children(mut self, end_children: impl IntoIterator<Item = impl IntoElement>) -> Self where Self: Sized, { self.end_children_mut().extend( end_children .into_iter() .map(|child| child.into_any_element()), ); self }} impl ParentElement for TabBar { fn extend(&mut self, elements: impl IntoIterator<Item = AnyElement>) { self.children.extend(elements) }} impl RenderOnce for TabBar { fn render(self, cx: &mut WindowContext) -> impl IntoElement { div() .id(self.id) .group("tab_bar") .flex() .flex_none() .w_full() .h(Tab::container_height(cx)) .bg(cx.theme().colors().tab_bar_background) .when(!self.start_children.is_empty(), |this| { this.child( h_flex() .flex_none() .gap(DynamicSpacing::Base04.rems(cx)) .px(DynamicSpacing::Base06.rems(cx)) .border_b_1() .border_r_1() .border_color(cx.theme().colors().border) .children(self.start_children), ) }) .child( div() .relative() .flex_1() .h_full() .overflow_x_hidden() .child( div() .absolute() .top_0() .left_0() .size_full() .border_b_1() .border_color(cx.theme().colors().border), ) .child( h_flex() .id("tabs") .flex_grow() .overflow_x_scroll() .when_some(self.scroll_handle, |cx, scroll_handle| { cx.track_scroll(&scroll_handle) }) .children(self.children), ), ) .when(!self.end_children.is_empty(), |this| { this.child( h_flex() .flex_none() .gap(DynamicSpacing::Base04.rems(cx)) .px(DynamicSpacing::Base06.rems(cx)) .border_b_1() .border_l_1() .border_color(cx.theme().colors().border) .children(self.end_children), ) }) }}
#![allow(missing_docs)]
use gpui::{AnyElement, ScrollHandle};
use smallvec::SmallVec;
use crate::prelude::*;
use crate::Tab;
#[derive(IntoElement)]
pub struct TabBar {
id: ElementId,
start_children: SmallVec<[AnyElement; 2]>,
children: SmallVec<[AnyElement; 2]>,
end_children: SmallVec<[AnyElement; 2]>,
scroll_handle: Option<ScrollHandle>,
}
impl TabBar {
pub fn new(id: impl Into<ElementId>) -> Self {
Self {
id: id.into(),
start_children: SmallVec::new(),
children: SmallVec::new(),
end_children: SmallVec::new(),
scroll_handle: None,
}
}
pub fn track_scroll(mut self, scroll_handle: ScrollHandle) -> Self {
self.scroll_handle = Some(scroll_handle);
self
}
pub fn start_children_mut(&mut self) -> &mut SmallVec<[AnyElement; 2]> {
&mut self.start_children
}
pub fn start_child(mut self, start_child: impl IntoElement) -> Self
where
Self: Sized,
{
self.start_children_mut()
.push(start_child.into_element().into_any());
self
}
pub fn start_children(
mut self,
start_children: impl IntoIterator<Item = impl IntoElement>,
) -> Self
where
Self: Sized,
{
self.start_children_mut().extend(
start_children
.into_iter()
.map(|child| child.into_any_element()),
);
self
}
pub fn end_children_mut(&mut self) -> &mut SmallVec<[AnyElement; 2]> {
&mut self.end_children
}
pub fn end_child(mut self, end_child: impl IntoElement) -> Self
where
Self: Sized,
{
self.end_children_mut()
.push(end_child.into_element().into_any());
self
}
pub fn end_children(mut self, end_children: impl IntoIterator<Item = impl IntoElement>) -> Self
where
Self: Sized,
{
self.end_children_mut().extend(
end_children
.into_iter()
.map(|child| child.into_any_element()),
);
self
}
}
impl ParentElement for TabBar {
fn extend(&mut self, elements: impl IntoIterator<Item = AnyElement>) {
self.children.extend(elements)
}
}
impl RenderOnce for TabBar {
fn render(self, cx: &mut WindowContext) -> impl IntoElement {
div()
.id(self.id)
.group("tab_bar")
.flex()
.flex_none()
.w_full()
.h(Tab::container_height(cx))
.bg(cx.theme().colors().tab_bar_background)
.when(!self.start_children.is_empty(), |this| {
this.child(
h_flex()
.flex_none()
.gap(DynamicSpacing::Base04.rems(cx))
.px(DynamicSpacing::Base06.rems(cx))
.border_b_1()
.border_r_1()
.border_color(cx.theme().colors().border)
.children(self.start_children),
)
})
.child(
div()
.relative()
.flex_1()
.h_full()
.overflow_x_hidden()
.child(
div()
.absolute()
.top_0()
.left_0()
.size_full()
.border_b_1()
.border_color(cx.theme().colors().border),
)
.child(
h_flex()
.id("tabs")
.flex_grow()
.overflow_x_scroll()
.when_some(self.scroll_handle, |cx, scroll_handle| {
cx.track_scroll(&scroll_handle)
})
.children(self.children),
),
)
.when(!self.end_children.is_empty(), |this| {
this.child(
h_flex()
.flex_none()
.gap(DynamicSpacing::Base04.rems(cx))
.px(DynamicSpacing::Base06.rems(cx))
.border_b_1()
.border_l_1()
.border_color(cx.theme().colors().border)
.children(self.end_children),
)
})
}
}