409 lines
12 KiB
Rust
409 lines
12 KiB
Rust
use std::rc::Rc;
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use gpui::{
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div, px, AnyElement, ClickEvent, Div, ImageSource, IntoElement, MouseButton, MouseDownEvent,
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Pixels, Stateful, StatefulInteractiveElement,
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};
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use smallvec::SmallVec;
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use crate::{
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disclosure_control, h_stack, v_stack, Avatar, Icon, IconButton, IconElement, IconSize, Label,
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Toggle,
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};
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use crate::{prelude::*, GraphicSlot};
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pub enum ListHeaderMeta {
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Tools(Vec<IconButton>),
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// TODO: This should be a button
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Button(Label),
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Text(Label),
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}
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#[derive(IntoElement)]
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pub struct ListHeader {
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label: SharedString,
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left_icon: Option<Icon>,
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meta: Option<ListHeaderMeta>,
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toggle: Toggle,
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inset: bool,
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}
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impl ListHeader {
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pub fn new(label: impl Into<SharedString>) -> Self {
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Self {
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label: label.into(),
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left_icon: None,
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meta: None,
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inset: false,
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toggle: Toggle::NotToggleable,
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}
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}
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pub fn toggle(mut self, toggle: Toggle) -> Self {
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self.toggle = toggle;
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self
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}
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pub fn left_icon(mut self, left_icon: Option<Icon>) -> Self {
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self.left_icon = left_icon;
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self
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}
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pub fn right_button(self, button: IconButton) -> Self {
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self.meta(Some(ListHeaderMeta::Tools(vec![button])))
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}
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pub fn meta(mut self, meta: Option<ListHeaderMeta>) -> Self {
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self.meta = meta;
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self
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}
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}
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impl RenderOnce for ListHeader {
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type Rendered = Div;
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fn render(self, cx: &mut WindowContext) -> Self::Rendered {
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let disclosure_control = disclosure_control(self.toggle);
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let meta = match self.meta {
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Some(ListHeaderMeta::Tools(icons)) => div().child(
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h_stack()
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.gap_2()
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.items_center()
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.children(icons.into_iter().map(|i| i.color(Color::Muted))),
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),
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Some(ListHeaderMeta::Button(label)) => div().child(label),
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Some(ListHeaderMeta::Text(label)) => div().child(label),
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None => div(),
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};
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h_stack()
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.w_full()
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.bg(cx.theme().colors().surface_background)
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.relative()
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.child(
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div()
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.h_5()
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.when(self.inset, |this| this.px_2())
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.flex()
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.flex_1()
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.items_center()
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.justify_between()
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.w_full()
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.gap_1()
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.child(
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h_stack()
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.gap_1()
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.child(
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div()
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.flex()
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.gap_1()
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.items_center()
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.children(self.left_icon.map(|i| {
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IconElement::new(i)
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.color(Color::Muted)
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.size(IconSize::Small)
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}))
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.child(Label::new(self.label.clone()).color(Color::Muted)),
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)
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.child(disclosure_control),
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)
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.child(meta),
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)
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}
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}
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#[derive(IntoElement, Clone)]
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pub struct ListSubHeader {
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label: SharedString,
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left_icon: Option<Icon>,
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inset: bool,
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}
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impl ListSubHeader {
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pub fn new(label: impl Into<SharedString>) -> Self {
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Self {
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label: label.into(),
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left_icon: None,
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inset: false,
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}
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}
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pub fn left_icon(mut self, left_icon: Option<Icon>) -> Self {
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self.left_icon = left_icon;
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self
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}
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}
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impl RenderOnce for ListSubHeader {
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type Rendered = Div;
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fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
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h_stack().flex_1().w_full().relative().py_1().child(
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div()
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.h_6()
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.when(self.inset, |this| this.px_2())
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.flex()
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.flex_1()
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.w_full()
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.gap_1()
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.items_center()
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.justify_between()
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.child(
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div()
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.flex()
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.gap_1()
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.items_center()
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.children(self.left_icon.map(|i| {
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IconElement::new(i)
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.color(Color::Muted)
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.size(IconSize::Small)
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}))
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.child(Label::new(self.label.clone()).color(Color::Muted)),
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),
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)
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}
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}
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#[derive(IntoElement)]
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pub struct ListItem {
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id: ElementId,
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selected: bool,
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// TODO: Reintroduce this
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// disclosure_control_style: DisclosureControlVisibility,
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indent_level: usize,
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indent_step_size: Pixels,
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left_slot: Option<GraphicSlot>,
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toggle: Toggle,
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inset: bool,
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on_click: Option<Rc<dyn Fn(&ClickEvent, &mut WindowContext) + 'static>>,
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on_secondary_mouse_down: Option<Rc<dyn Fn(&MouseDownEvent, &mut WindowContext) + 'static>>,
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children: SmallVec<[AnyElement; 2]>,
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}
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impl ListItem {
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pub fn new(id: impl Into<ElementId>) -> Self {
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Self {
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id: id.into(),
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selected: false,
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indent_level: 0,
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indent_step_size: px(12.),
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left_slot: None,
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toggle: Toggle::NotToggleable,
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inset: false,
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on_click: None,
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on_secondary_mouse_down: None,
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children: SmallVec::new(),
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}
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}
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pub fn on_click(mut self, handler: impl Fn(&ClickEvent, &mut WindowContext) + 'static) -> Self {
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self.on_click = Some(Rc::new(handler));
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self
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}
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pub fn on_secondary_mouse_down(
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mut self,
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handler: impl Fn(&MouseDownEvent, &mut WindowContext) + 'static,
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) -> Self {
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self.on_secondary_mouse_down = Some(Rc::new(handler));
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self
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}
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pub fn inset(mut self, inset: bool) -> Self {
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self.inset = inset;
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self
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}
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pub fn indent_level(mut self, indent_level: usize) -> Self {
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self.indent_level = indent_level;
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self
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}
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pub fn indent_step_size(mut self, indent_step_size: Pixels) -> Self {
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self.indent_step_size = indent_step_size;
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self
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}
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pub fn toggle(mut self, toggle: Toggle) -> Self {
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self.toggle = toggle;
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self
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}
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pub fn selected(mut self, selected: bool) -> Self {
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self.selected = selected;
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self
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}
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pub fn left_content(mut self, left_content: GraphicSlot) -> Self {
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self.left_slot = Some(left_content);
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self
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}
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pub fn left_icon(mut self, left_icon: Icon) -> Self {
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self.left_slot = Some(GraphicSlot::Icon(left_icon));
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self
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}
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pub fn left_avatar(mut self, left_avatar: impl Into<ImageSource>) -> Self {
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self.left_slot = Some(GraphicSlot::Avatar(left_avatar.into()));
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self
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}
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}
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impl RenderOnce for ListItem {
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type Rendered = Stateful<Div>;
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fn render(self, cx: &mut WindowContext) -> Self::Rendered {
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let left_content = match self.left_slot.clone() {
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Some(GraphicSlot::Icon(i)) => Some(
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h_stack().child(
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IconElement::new(i)
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.size(IconSize::Small)
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.color(Color::Muted),
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),
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),
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Some(GraphicSlot::Avatar(src)) => Some(h_stack().child(Avatar::source(src))),
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Some(GraphicSlot::PublicActor(src)) => Some(h_stack().child(Avatar::uri(src))),
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None => None,
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};
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div()
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.id(self.id)
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.relative()
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// TODO: Add focus state
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// .when(self.state == InteractionState::Focused, |this| {
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// this.border()
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// .border_color(cx.theme().colors().border_focused)
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// })
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.when(self.inset, |this| this.rounded_md())
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.hover(|style| style.bg(cx.theme().colors().ghost_element_hover))
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.active(|style| style.bg(cx.theme().colors().ghost_element_active))
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.when(self.selected, |this| {
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this.bg(cx.theme().colors().ghost_element_selected)
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})
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.when_some(self.on_click.clone(), |this, on_click| {
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this.on_click(move |event, cx| {
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// HACK: GPUI currently fires `on_click` with any mouse button,
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// but we only care about the left button.
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if event.down.button == MouseButton::Left {
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(on_click)(event, cx)
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}
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})
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})
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.when_some(self.on_secondary_mouse_down, |this, on_mouse_down| {
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this.on_mouse_down(MouseButton::Right, move |event, cx| {
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(on_mouse_down)(event, cx)
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})
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})
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.child(
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div()
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.when(self.inset, |this| this.px_2())
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.ml(self.indent_level as f32 * self.indent_step_size)
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.flex()
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.gap_1()
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.items_center()
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.relative()
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.child(disclosure_control(self.toggle))
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.children(left_content)
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.children(self.children)
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// HACK: We need to attach the `on_click` handler to the child element in order to have the click
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// event actually fire.
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// Once this is fixed in GPUI we can remove this and rely on the `on_click` handler set above on the
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// outer `div`.
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.id("on_click_hack")
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.when_some(self.on_click, |this, on_click| {
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this.on_click(move |event, cx| {
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// HACK: GPUI currently fires `on_click` with any mouse button,
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// but we only care about the left button.
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if event.down.button == MouseButton::Left {
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(on_click)(event, cx)
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}
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})
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}),
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)
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}
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}
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impl ParentElement for ListItem {
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fn children_mut(&mut self) -> &mut SmallVec<[AnyElement; 2]> {
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&mut self.children
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}
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}
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#[derive(IntoElement, Clone)]
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pub struct ListSeparator;
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impl ListSeparator {
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pub fn new() -> Self {
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Self
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}
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}
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impl RenderOnce for ListSeparator {
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type Rendered = Div;
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fn render(self, cx: &mut WindowContext) -> Self::Rendered {
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div().h_px().w_full().bg(cx.theme().colors().border_variant)
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}
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}
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#[derive(IntoElement)]
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pub struct List {
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/// Message to display when the list is empty
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/// Defaults to "No items"
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empty_message: SharedString,
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header: Option<ListHeader>,
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toggle: Toggle,
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children: SmallVec<[AnyElement; 2]>,
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}
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impl RenderOnce for List {
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type Rendered = Div;
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fn render(self, _cx: &mut WindowContext) -> Self::Rendered {
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let list_content = match (self.children.is_empty(), self.toggle) {
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(false, _) => div().children(self.children),
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(true, Toggle::Toggled(false)) => div(),
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(true, _) => div().child(Label::new(self.empty_message.clone()).color(Color::Muted)),
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};
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v_stack()
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.w_full()
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.py_1()
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.children(self.header.map(|header| header))
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.child(list_content)
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}
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}
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impl List {
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pub fn new() -> Self {
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Self {
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empty_message: "No items".into(),
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header: None,
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toggle: Toggle::NotToggleable,
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children: SmallVec::new(),
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}
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}
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pub fn empty_message(mut self, empty_message: impl Into<SharedString>) -> Self {
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self.empty_message = empty_message.into();
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self
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}
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pub fn header(mut self, header: ListHeader) -> Self {
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self.header = Some(header);
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self
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}
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pub fn toggle(mut self, toggle: Toggle) -> Self {
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self.toggle = toggle;
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self
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}
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}
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impl ParentElement for List {
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fn children_mut(&mut self) -> &mut SmallVec<[AnyElement; 2]> {
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&mut self.children
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}
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}
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