#![allow(missing_docs)] use std::sync::Arc; use gpui::{px, AnyElement, AnyView, ClickEvent, MouseButton, MouseDownEvent, Pixels};use smallvec::SmallVec; use crate::{prelude::*, Disclosure}; #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Default)]pub enum ListItemSpacing { #[default] Dense, Sparse,} #[derive(IntoElement)]pub struct ListItem { id: ElementId, disabled: bool, selected: bool, spacing: ListItemSpacing, indent_level: usize, indent_step_size: Pixels, /// A slot for content that appears before the children, like an icon or avatar. start_slot: Option<AnyElement>, /// A slot for content that appears after the children, usually on the other side of the header. /// This might be a button, a disclosure arrow, a face pile, etc. end_slot: Option<AnyElement>, /// A slot for content that appears on hover after the children /// It will obscure the `end_slot` when visible. end_hover_slot: Option<AnyElement>, toggle: Option<bool>, inset: bool, on_click: Option<Box<dyn Fn(&ClickEvent, &mut WindowContext) + 'static>>, on_toggle: Option<Arc<dyn Fn(&ClickEvent, &mut WindowContext) + 'static>>, tooltip: Option<Box<dyn Fn(&mut WindowContext) -> AnyView + 'static>>, on_secondary_mouse_down: Option<Box<dyn Fn(&MouseDownEvent, &mut WindowContext) + 'static>>, children: SmallVec<[AnyElement; 2]>, selectable: bool, overflow_x: bool, focused: Option<bool>,} impl ListItem { pub fn new(id: impl Into<ElementId>) -> Self { Self { id: id.into(), disabled: false, selected: false, spacing: ListItemSpacing::Dense, indent_level: 0, indent_step_size: px(12.), start_slot: None, end_slot: None, end_hover_slot: None, toggle: None, inset: false, on_click: None, on_secondary_mouse_down: None, on_toggle: None, tooltip: None, children: SmallVec::new(), selectable: true, overflow_x: false, focused: None, } } pub fn spacing(mut self, spacing: ListItemSpacing) -> Self { self.spacing = spacing; self } pub fn selectable(mut self, has_hover: bool) -> Self { self.selectable = has_hover; self } pub fn on_click(mut self, handler: impl Fn(&ClickEvent, &mut WindowContext) + 'static) -> Self { self.on_click = Some(Box::new(handler)); self } pub fn on_secondary_mouse_down( mut self, handler: impl Fn(&MouseDownEvent, &mut WindowContext) + 'static, ) -> Self { self.on_secondary_mouse_down = Some(Box::new(handler)); self } pub fn tooltip(mut self, tooltip: impl Fn(&mut WindowContext) -> AnyView + 'static) -> Self { self.tooltip = Some(Box::new(tooltip)); self } pub fn inset(mut self, inset: bool) -> Self { self.inset = inset; self } pub fn indent_level(mut self, indent_level: usize) -> Self { self.indent_level = indent_level; self } pub fn indent_step_size(mut self, indent_step_size: Pixels) -> Self { self.indent_step_size = indent_step_size; self } pub fn toggle(mut self, toggle: impl Into<Option<bool>>) -> Self { self.toggle = toggle.into(); self } pub fn on_toggle( mut self, on_toggle: impl Fn(&ClickEvent, &mut WindowContext) + 'static, ) -> Self { self.on_toggle = Some(Arc::new(on_toggle)); self } pub fn start_slot<E: IntoElement>(mut self, start_slot: impl Into<Option<E>>) -> Self { self.start_slot = start_slot.into().map(IntoElement::into_any_element); self } pub fn end_slot<E: IntoElement>(mut self, end_slot: impl Into<Option<E>>) -> Self { self.end_slot = end_slot.into().map(IntoElement::into_any_element); self } pub fn end_hover_slot<E: IntoElement>(mut self, end_hover_slot: impl Into<Option<E>>) -> Self { self.end_hover_slot = end_hover_slot.into().map(IntoElement::into_any_element); self } pub fn overflow_x(mut self) -> Self { self.overflow_x = true; self } pub fn focused(mut self, focused: bool) -> Self { self.focused = Some(focused); self }} impl Disableable for ListItem { fn disabled(mut self, disabled: bool) -> Self { self.disabled = disabled; self }} impl Toggleable for ListItem { fn toggle_state(mut self, selected: bool) -> Self { self.selected = selected; self }} impl ParentElement for ListItem { fn extend(&mut self, elements: impl IntoIterator<Item = AnyElement>) { self.children.extend(elements) }} impl RenderOnce for ListItem { fn render(self, cx: &mut WindowContext) -> impl IntoElement { h_flex() .id(self.id) .w_full() .relative() // When an item is inset draw the indent spacing outside of the item .when(self.inset, |this| { this.ml(self.indent_level as f32 * self.indent_step_size) .px(DynamicSpacing::Base04.rems(cx)) }) .when(!self.inset && !self.disabled, |this| { this // TODO: Add focus state // .when(self.state == InteractionState::Focused, |this| { .when_some(self.focused, |this, focused| { if focused { this.border_1() .border_color(cx.theme().colors().border_focused) } else { this.border_1() } }) .when(self.selectable, |this| { this.hover(|style| style.bg(cx.theme().colors().ghost_element_hover)) .active(|style| style.bg(cx.theme().colors().ghost_element_active)) .when(self.selected, |this| { this.bg(cx.theme().colors().ghost_element_selected) }) }) }) .child( h_flex() .id("inner_list_item") .w_full() .relative() .items_center() .gap_1() .px(DynamicSpacing::Base06.rems(cx)) .map(|this| match self.spacing { ListItemSpacing::Dense => this, ListItemSpacing::Sparse => this.py_1(), }) .group("list_item") .when(self.inset && !self.disabled, |this| { this // TODO: Add focus state //.when(self.state == InteractionState::Focused, |this| { .when_some(self.focused, |this, focused| { if focused { this.border_1() .border_color(cx.theme().colors().border_focused) } else { this.border_1() } }) .when(self.selectable, |this| { this.hover(|style| { style.bg(cx.theme().colors().ghost_element_hover) }) .active(|style| style.bg(cx.theme().colors().ghost_element_active)) .when(self.selected, |this| { this.bg(cx.theme().colors().ghost_element_selected) }) }) }) .when_some(self.on_click, |this, on_click| { this.cursor_pointer().on_click(on_click) }) .when_some(self.on_secondary_mouse_down, |this, on_mouse_down| { this.on_mouse_down(MouseButton::Right, move |event, cx| { (on_mouse_down)(event, cx) }) }) .when_some(self.tooltip, |this, tooltip| this.tooltip(tooltip)) .map(|this| { if self.inset { this.rounded_md() } else { // When an item is not inset draw the indent spacing inside of the item this.ml(self.indent_level as f32 * self.indent_step_size) } }) .children(self.toggle.map(|is_open| { div() .flex() .absolute() .left(rems(-1.)) .when(is_open, |this| this.visible_on_hover("")) .child(Disclosure::new("toggle", is_open).on_toggle(self.on_toggle)) })) .child( h_flex() .flex_grow() .flex_shrink_0() .flex_basis(relative(0.25)) .gap(DynamicSpacing::Base06.rems(cx)) .map(|list_content| { if self.overflow_x { list_content } else { list_content.overflow_hidden() } }) .children(self.start_slot) .children(self.children), ) .when_some(self.end_slot, |this, end_slot| { this.justify_between().child( h_flex() .flex_shrink() .overflow_hidden() .when(self.end_hover_slot.is_some(), |this| { this.visible() .group_hover("list_item", |this| this.invisible()) }) .child(end_slot), ) }) .when_some(self.end_hover_slot, |this, end_hover_slot| { this.child( h_flex() .h_full() .absolute() .right(DynamicSpacing::Base06.rems(cx)) .top_0() .visible_on_hover("list_item") .child(end_hover_slot), ) }), ) }}
#![allow(missing_docs)]
use std::sync::Arc;
use gpui::{px, AnyElement, AnyView, ClickEvent, MouseButton, MouseDownEvent, Pixels};
use smallvec::SmallVec;
use crate::{prelude::*, Disclosure};
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Default)]
pub enum ListItemSpacing {
#[default]
Dense,
Sparse,
}
#[derive(IntoElement)]
pub struct ListItem {
id: ElementId,
disabled: bool,
selected: bool,
spacing: ListItemSpacing,
indent_level: usize,
indent_step_size: Pixels,
/// A slot for content that appears before the children, like an icon or avatar.
start_slot: Option<AnyElement>,
/// A slot for content that appears after the children, usually on the other side of the header.
/// This might be a button, a disclosure arrow, a face pile, etc.
end_slot: Option<AnyElement>,
/// A slot for content that appears on hover after the children
/// It will obscure the `end_slot` when visible.
end_hover_slot: Option<AnyElement>,
toggle: Option<bool>,
inset: bool,
on_click: Option<Box<dyn Fn(&ClickEvent, &mut WindowContext) + 'static>>,
on_toggle: Option<Arc<dyn Fn(&ClickEvent, &mut WindowContext) + 'static>>,
tooltip: Option<Box<dyn Fn(&mut WindowContext) -> AnyView + 'static>>,
on_secondary_mouse_down: Option<Box<dyn Fn(&MouseDownEvent, &mut WindowContext) + 'static>>,
children: SmallVec<[AnyElement; 2]>,
selectable: bool,
overflow_x: bool,
focused: Option<bool>,
}
impl ListItem {
pub fn new(id: impl Into<ElementId>) -> Self {
Self {
id: id.into(),
disabled: false,
selected: false,
spacing: ListItemSpacing::Dense,
indent_level: 0,
indent_step_size: px(12.),
start_slot: None,
end_slot: None,
end_hover_slot: None,
toggle: None,
inset: false,
on_click: None,
on_secondary_mouse_down: None,
on_toggle: None,
tooltip: None,
children: SmallVec::new(),
selectable: true,
overflow_x: false,
focused: None,
}
}
pub fn spacing(mut self, spacing: ListItemSpacing) -> Self {
self.spacing = spacing;
self
}
pub fn selectable(mut self, has_hover: bool) -> Self {
self.selectable = has_hover;
self
}
pub fn on_click(mut self, handler: impl Fn(&ClickEvent, &mut WindowContext) + 'static) -> Self {
self.on_click = Some(Box::new(handler));
self
}
pub fn on_secondary_mouse_down(
mut self,
handler: impl Fn(&MouseDownEvent, &mut WindowContext) + 'static,
) -> Self {
self.on_secondary_mouse_down = Some(Box::new(handler));
self
}
pub fn tooltip(mut self, tooltip: impl Fn(&mut WindowContext) -> AnyView + 'static) -> Self {
self.tooltip = Some(Box::new(tooltip));
self
}
pub fn inset(mut self, inset: bool) -> Self {
self.inset = inset;
self
}
pub fn indent_level(mut self, indent_level: usize) -> Self {
self.indent_level = indent_level;
self
}
pub fn indent_step_size(mut self, indent_step_size: Pixels) -> Self {
self.indent_step_size = indent_step_size;
self
}
pub fn toggle(mut self, toggle: impl Into<Option<bool>>) -> Self {
self.toggle = toggle.into();
self
}
pub fn on_toggle(
mut self,
on_toggle: impl Fn(&ClickEvent, &mut WindowContext) + 'static,
) -> Self {
self.on_toggle = Some(Arc::new(on_toggle));
self
}
pub fn start_slot<E: IntoElement>(mut self, start_slot: impl Into<Option<E>>) -> Self {
self.start_slot = start_slot.into().map(IntoElement::into_any_element);
self
}
pub fn end_slot<E: IntoElement>(mut self, end_slot: impl Into<Option<E>>) -> Self {
self.end_slot = end_slot.into().map(IntoElement::into_any_element);
self
}
pub fn end_hover_slot<E: IntoElement>(mut self, end_hover_slot: impl Into<Option<E>>) -> Self {
self.end_hover_slot = end_hover_slot.into().map(IntoElement::into_any_element);
self
}
pub fn overflow_x(mut self) -> Self {
self.overflow_x = true;
self
}
pub fn focused(mut self, focused: bool) -> Self {
self.focused = Some(focused);
self
}
}
impl Disableable for ListItem {
fn disabled(mut self, disabled: bool) -> Self {
self.disabled = disabled;
self
}
}
impl Toggleable for ListItem {
fn toggle_state(mut self, selected: bool) -> Self {
self.selected = selected;
self
}
}
impl ParentElement for ListItem {
fn extend(&mut self, elements: impl IntoIterator<Item = AnyElement>) {
self.children.extend(elements)
}
}
impl RenderOnce for ListItem {
fn render(self, cx: &mut WindowContext) -> impl IntoElement {
h_flex()
.id(self.id)
.w_full()
.relative()
// When an item is inset draw the indent spacing outside of the item
.when(self.inset, |this| {
this.ml(self.indent_level as f32 * self.indent_step_size)
.px(DynamicSpacing::Base04.rems(cx))
})
.when(!self.inset && !self.disabled, |this| {
this
// TODO: Add focus state
// .when(self.state == InteractionState::Focused, |this| {
.when_some(self.focused, |this, focused| {
if focused {
this.border_1()
.border_color(cx.theme().colors().border_focused)
} else {
this.border_1()
}
})
.when(self.selectable, |this| {
this.hover(|style| style.bg(cx.theme().colors().ghost_element_hover))
.active(|style| style.bg(cx.theme().colors().ghost_element_active))
.when(self.selected, |this| {
this.bg(cx.theme().colors().ghost_element_selected)
})
})
})
.child(
h_flex()
.id("inner_list_item")
.w_full()
.relative()
.items_center()
.gap_1()
.px(DynamicSpacing::Base06.rems(cx))
.map(|this| match self.spacing {
ListItemSpacing::Dense => this,
ListItemSpacing::Sparse => this.py_1(),
})
.group("list_item")
.when(self.inset && !self.disabled, |this| {
this
// TODO: Add focus state
//.when(self.state == InteractionState::Focused, |this| {
.when_some(self.focused, |this, focused| {
if focused {
this.border_1()
.border_color(cx.theme().colors().border_focused)
} else {
this.border_1()
}
})
.when(self.selectable, |this| {
this.hover(|style| {
style.bg(cx.theme().colors().ghost_element_hover)
})
.active(|style| style.bg(cx.theme().colors().ghost_element_active))
.when(self.selected, |this| {
this.bg(cx.theme().colors().ghost_element_selected)
})
})
})
.when_some(self.on_click, |this, on_click| {
this.cursor_pointer().on_click(on_click)
})
.when_some(self.on_secondary_mouse_down, |this, on_mouse_down| {
this.on_mouse_down(MouseButton::Right, move |event, cx| {
(on_mouse_down)(event, cx)
})
})
.when_some(self.tooltip, |this, tooltip| this.tooltip(tooltip))
.map(|this| {
if self.inset {
this.rounded_md()
} else {
// When an item is not inset draw the indent spacing inside of the item
this.ml(self.indent_level as f32 * self.indent_step_size)
}
})
.children(self.toggle.map(|is_open| {
div()
.flex()
.absolute()
.left(rems(-1.))
.when(is_open, |this| this.visible_on_hover(""))
.child(Disclosure::new("toggle", is_open).on_toggle(self.on_toggle))
}))
.child(
h_flex()
.flex_grow()
.flex_shrink_0()
.flex_basis(relative(0.25))
.gap(DynamicSpacing::Base06.rems(cx))
.map(|list_content| {
if self.overflow_x {
list_content
} else {
list_content.overflow_hidden()
}
})
.children(self.start_slot)
.children(self.children),
)
.when_some(self.end_slot, |this, end_slot| {
this.justify_between().child(
h_flex()
.flex_shrink()
.overflow_hidden()
.when(self.end_hover_slot.is_some(), |this| {
this.visible()
.group_hover("list_item", |this| this.invisible())
})
.child(end_slot),
)
})
.when_some(self.end_hover_slot, |this, end_hover_slot| {
this.child(
h_flex()
.h_full()
.absolute()
.right(DynamicSpacing::Base06.rems(cx))
.top_0()
.visible_on_hover("list_item")
.child(end_hover_slot),
)
}),
)
}
}