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refactor

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reya
2026-10-30 19:36:39 +07:00
parent b4a996e44c
commit 1711ce0e9d
22 changed files with 300 additions and 485 deletions
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crates/data/Cargo.toml
+1
View File
@@ -8,6 +8,7 @@ description = "Data-heavy GPUI components: lists, trees, tabs, sidebars — one
gpui = { workspace = true }
gpui-native-icons = { workspace = true }
gpui-native-theme = { workspace = true }
gpui-native-utils = { workspace = true }
[dev-dependencies]
gpui = { workspace = true, features = ["test-support"] }
crates/data/src/list.rs
+29 -94
View File
@@ -2,12 +2,13 @@ use std::rc::Rc;
use gpui::prelude::FluentBuilder as _;
use gpui::{
AnyElement, App, ElementId, FocusHandle, Hsla, InteractiveElement as _, IntoElement,
KeyDownEvent, ParentElement as _, Pixels, RenderOnce, Role, SharedString,
StatefulInteractiveElement as _, Styled as _, Window, div,
AnyElement, App, ElementId, FocusHandle, InteractiveElement as _, IntoElement, KeyDownEvent,
ParentElement as _, RenderOnce, Role, SharedString, StatefulInteractiveElement as _,
Styled as _, Window, div,
};
use gpui_native_icons::{IconRole, icon};
use gpui_native_theme::ActiveTheme as _;
use gpui_native_theme::{ActiveTheme as _, Theme};
use gpui_native_utils::{nav_key, paint_selectable_row, selectable_label_color};
/// The change reporter, fired with the next selection by pointer and keys.
type ChangeHandler = Rc<dyn Fn(Option<usize>, &mut Window, &mut App)>;
@@ -116,19 +117,6 @@ impl List {
}
}
struct ListChrome {
foreground: Hsla,
muted: Hsla,
muted_foreground: Hsla,
primary: Hsla,
primary_foreground: Hsla,
radius_sm: Pixels,
icon_size: Pixels,
text_size: Pixels,
/// The row count, for the rows' set-size a11y attributes.
count: usize,
}
impl RenderOnce for List {
fn render(self, window: &mut Window, cx: &mut App) -> impl IntoElement {
let items = match self.items {
@@ -143,40 +131,24 @@ impl RenderOnce for List {
.map(|(index, _)| index)
.collect();
let focus_handle = window.with_element_namespace(self.id.clone(), |window| {
window.use_keyed_state("list-focus", cx, |_, cx| cx.focus_handle())
});
let focus = focus_handle.read(cx).clone();
let focus = gpui_native_utils::focus_handle(&self.id, window, cx);
let theme = cx.theme();
let label = self
.a11y_label
.clone()
.unwrap_or_else(|| SharedString::from(self.id.to_string()));
let chrome = {
let theme = cx.theme();
ListChrome {
foreground: theme.colors.foreground,
muted: theme.colors.muted,
muted_foreground: theme.colors.muted_foreground,
primary: theme.ramps.primary.base,
primary_foreground: theme.colors.primary_foreground,
radius_sm: theme.radius.sm,
icon_size: theme.sizes.medium.icon_size,
text_size: theme.sizes.medium.text_size,
count: items.len(),
}
};
let rows: Vec<AnyElement> = items
.iter()
.enumerate()
.map(|(index, item)| {
render_row(
theme,
index,
items.len(),
item,
self.selected == Some(index),
&chrome,
&self.on_change,
&focus,
)
@@ -188,7 +160,7 @@ impl RenderOnce for List {
.flex()
.flex_col()
.gap_0p5()
.text_size(chrome.text_size)
.text_size(theme.sizes.medium.text_size)
.track_focus(&focus)
.focusable()
.tab_stop(true)
@@ -199,20 +171,13 @@ impl RenderOnce for List {
let on_change = self.on_change.clone();
move |event: &KeyDownEvent, window, cx| {
let target = match event.keystroke.key.as_str() {
"down" => adjacent(&selectable, selected, true),
"up" => adjacent(&selectable, selected, false),
"home" => selectable.first().copied(),
"end" => selectable.last().copied(),
_ => return,
};
if let Some(next) = target
&& Some(next) != selected
&& let Some(on_change) = &on_change
{
on_change(Some(next), window, cx);
if nav_key(&selectable, selected, &event.keystroke.key, |next| {
if let Some(on_change) = &on_change {
on_change(next, window, cx);
}
}) {
cx.stop_propagation();
}
cx.stop_propagation();
}
})
.children(rows)
@@ -220,14 +185,15 @@ impl RenderOnce for List {
}
fn render_row(
theme: &Theme,
index: usize,
count: usize,
item: &ListItem,
selected: bool,
chrome: &ListChrome,
on_change: &Option<ChangeHandler>,
focus: &FocusHandle,
) -> AnyElement {
let label_color = row_color(item, selected, chrome);
let label_color = selectable_label_color(theme, selected, item.disabled);
let disabled = item.disabled;
div()
@@ -237,20 +203,12 @@ fn render_row(
.gap_2()
.px_2()
.py_1()
.rounded(chrome.radius_sm)
.rounded(theme.radius.sm)
.role(Role::ListItem)
.aria_selected(selected)
.aria_position_in_set(index + 1)
.aria_size_of_set(chrome.count)
.map(|row| {
if disabled {
row
} else if selected {
row.bg(chrome.primary)
} else {
row.hover(|row| row.bg(chrome.muted))
}
})
.aria_size_of_set(count)
.map(|row| paint_selectable_row(theme, row, selected, disabled))
.when(!disabled, |row| {
row.cursor_pointer().on_click({
let on_change = on_change.clone();
@@ -264,7 +222,11 @@ fn render_row(
})
})
.when_some(item.icon, |row, role| {
row.child(icon(role).size(chrome.icon_size).color(label_color))
row.child(
icon(role)
.size(theme.sizes.medium.icon_size)
.color(label_color),
)
})
.child(
div()
@@ -278,39 +240,12 @@ fn render_row(
.flex_none()
.text_sm()
.text_color(if selected {
chrome.primary_foreground
theme.colors.primary_foreground
} else {
chrome.muted_foreground
theme.colors.muted_foreground
})
.child(detail),
)
})
.into_any_element()
}
/// The row's label/icon color.
fn row_color(item: &ListItem, selected: bool, chrome: &ListChrome) -> Hsla {
if item.disabled {
chrome.muted_foreground
} else if selected {
chrome.primary_foreground
} else {
chrome.foreground
}
}
/// The next selectable row in the direction.
fn adjacent(selectable: &[usize], selected: Option<usize>, forward: bool) -> Option<usize> {
if forward {
selectable
.iter()
.copied()
.find(|index| Some(*index) > selected)
} else {
selectable
.iter()
.copied()
.rev()
.find(|index| Some(*index) < selected)
}
}
crates/data/src/sidebar.rs
+31 -94
View File
@@ -5,12 +5,13 @@ use std::rc::Rc;
use gpui::prelude::FluentBuilder as _;
use gpui::{
AnyElement, App, ElementId, FocusHandle, Hsla, InteractiveElement as _, IntoElement,
KeyDownEvent, ParentElement as _, Pixels, RenderOnce, Role, SharedString,
StatefulInteractiveElement as _, Styled as _, Window, div,
AnyElement, App, ElementId, FocusHandle, InteractiveElement as _, IntoElement, KeyDownEvent,
ParentElement as _, RenderOnce, Role, SharedString, StatefulInteractiveElement as _,
Styled as _, Window, div,
};
use gpui_native_icons::{IconRole, icon};
use gpui_native_theme::ActiveTheme as _;
use gpui_native_theme::{ActiveTheme as _, Theme};
use gpui_native_utils::{nav_key, paint_selectable_row, selectable_label_color};
/// The change reporter, fired with the next selected row by pointer and keys.
type ChangeHandler = Rc<dyn Fn(Option<usize>, &mut Window, &mut App)>;
@@ -148,36 +149,8 @@ impl Sidebar {
}
}
struct SidebarChrome {
foreground: Hsla,
muted: Hsla,
muted_foreground: Hsla,
primary: Hsla,
primary_foreground: Hsla,
radius_sm: Pixels,
icon_size: Pixels,
text_size: Pixels,
/// The entry count, for the rows' set-size a11y attributes.
count: usize,
}
impl RenderOnce for Sidebar {
fn render(self, window: &mut Window, cx: &mut App) -> impl IntoElement {
let chrome = {
let theme = cx.theme();
SidebarChrome {
foreground: theme.colors.foreground,
muted: theme.colors.muted,
muted_foreground: theme.colors.muted_foreground,
primary: theme.ramps.primary.base,
primary_foreground: theme.colors.primary_foreground,
radius_sm: theme.radius.sm,
icon_size: theme.sizes.medium.icon_size,
text_size: theme.sizes.medium.text_size,
count: 0,
}
};
let entries = match self.entries {
Some(build) => build(window, cx),
None => Vec::new(),
@@ -195,30 +168,26 @@ impl RenderOnce for Sidebar {
.collect();
// Keyboard focus rides the container across frames.
let focus_handle = window.with_element_namespace(self.id.clone(), |window| {
window.use_keyed_state("sidebar-focus", cx, |_, cx| cx.focus_handle())
});
let focus = focus_handle.read(cx).clone();
let focus = gpui_native_utils::focus_handle(&self.id, window, cx);
let label = self
.a11y_label
.clone()
.unwrap_or_else(|| SharedString::from(self.id.to_string()));
let chrome = SidebarChrome {
count: entries.len(),
..chrome
};
// Entry paint reads the theme through this borrow.
let theme = cx.theme();
let children: Vec<AnyElement> = entries
.iter()
.enumerate()
.map(|(index, entry)| {
render_entry(
theme,
entry,
index,
entries.len(),
self.selected == Some(index),
&chrome,
&self.on_change,
&focus,
)
@@ -230,7 +199,7 @@ impl RenderOnce for Sidebar {
.flex()
.flex_col()
.gap_0p5()
.text_size(chrome.text_size)
.text_size(theme.sizes.medium.text_size)
.track_focus(&focus)
.focusable()
.tab_stop(true)
@@ -240,20 +209,13 @@ impl RenderOnce for Sidebar {
let selected = self.selected;
let on_change = self.on_change.clone();
move |event: &KeyDownEvent, window, cx| {
let target = match event.keystroke.key.as_str() {
"down" => adjacent(&selectable, selected, true),
"up" => adjacent(&selectable, selected, false),
"home" => selectable.first().copied(),
"end" => selectable.last().copied(),
_ => return,
};
if let Some(next) = target
&& Some(next) != selected
&& let Some(on_change) = &on_change
{
on_change(Some(next), window, cx);
if nav_key(&selectable, selected, &event.keystroke.key, |next| {
if let Some(on_change) = &on_change {
on_change(next, window, cx);
}
}) {
cx.stop_propagation();
}
cx.stop_propagation();
}
})
.children(children)
@@ -261,10 +223,11 @@ impl RenderOnce for Sidebar {
}
fn render_entry(
theme: &Theme,
entry: &SidebarEntry,
index: usize,
count: usize,
selected: bool,
chrome: &SidebarChrome,
on_change: &Option<ChangeHandler>,
focus: &FocusHandle,
) -> AnyElement {
@@ -275,7 +238,7 @@ fn render_entry(
.pb_1()
.text_sm()
.font_weight(gpui::FontWeight::MEDIUM)
.text_color(chrome.muted_foreground)
.text_color(theme.colors.muted_foreground)
.child(label.clone())
.into_any_element(),
SidebarEntry::Row {
@@ -284,13 +247,7 @@ fn render_entry(
detail,
disabled: row_disabled,
} => {
let label_color = if *row_disabled {
chrome.muted_foreground
} else if selected {
chrome.primary_foreground
} else {
chrome.foreground
};
let label_color = selectable_label_color(theme, selected, *row_disabled);
let mut row = div()
.id(("sidebar-row", index))
@@ -299,20 +256,12 @@ fn render_entry(
.gap_2()
.px_2()
.py_1()
.rounded(chrome.radius_sm)
.rounded(theme.radius.sm)
.role(Role::ListItem)
.aria_selected(selected)
.aria_position_in_set(index + 1)
.aria_size_of_set(chrome.count)
.map(|row| {
if *row_disabled {
row
} else if selected {
row.bg(chrome.primary)
} else {
row.hover(|row| row.bg(chrome.muted))
}
});
.aria_size_of_set(count)
.map(|row| paint_selectable_row(theme, row, selected, *row_disabled));
if !*row_disabled {
row = row.cursor_pointer().on_click({
@@ -328,7 +277,11 @@ fn render_entry(
}
row = row.when_some(*row_icon, |row, role| {
row.child(icon(role).size(chrome.icon_size).color(label_color))
row.child(
icon(role)
.size(theme.sizes.medium.icon_size)
.color(label_color),
)
});
row = row.child(div().flex_1().text_color(label_color).child(label.clone()));
@@ -339,9 +292,9 @@ fn render_entry(
.flex_none()
.text_sm()
.text_color(if selected {
chrome.primary_foreground
theme.colors.primary_foreground
} else {
chrome.muted_foreground
theme.colors.muted_foreground
})
.child(detail.clone()),
);
@@ -351,19 +304,3 @@ fn render_entry(
}
}
}
/// The next selectable row in the direction.
fn adjacent(selectable: &[usize], selected: Option<usize>, forward: bool) -> Option<usize> {
if forward {
selectable
.iter()
.copied()
.find(|index| Some(*index) > selected)
} else {
selectable
.iter()
.copied()
.rev()
.find(|index| Some(*index) < selected)
}
}
crates/data/src/tabs.rs
+32 -70
View File
@@ -2,12 +2,13 @@ use std::rc::Rc;
use gpui::prelude::FluentBuilder as _;
use gpui::{
AnyElement, App, ElementId, Hsla, InteractiveElement as _, IntoElement, KeyDownEvent,
ParentElement as _, Pixels, RenderOnce, Role, SharedString, StatefulInteractiveElement as _,
AnyElement, App, ElementId, InteractiveElement as _, IntoElement, KeyDownEvent,
ParentElement as _, RenderOnce, Role, SharedString, StatefulInteractiveElement as _,
Styled as _, Window, div,
};
use gpui_native_icons::{IconRole, icon};
use gpui_native_theme::ActiveTheme as _;
use gpui_native_theme::{ActiveTheme as _, Theme};
use gpui_native_utils::adjacent_selectable;
/// The change reporter, fired with the next selected tab by pointer and keys.
type ChangeHandler = Rc<dyn Fn(usize, &mut Window, &mut App)>;
@@ -105,36 +106,8 @@ impl Tabs {
}
}
struct TabsChrome {
foreground: Hsla,
muted: Hsla,
muted_foreground: Hsla,
primary: Hsla,
border: Hsla,
radius_sm: Pixels,
icon_size: Pixels,
text_size: Pixels,
/// The strip's selected index; re-selecting it reports nothing.
selected: usize,
}
impl RenderOnce for Tabs {
fn render(self, window: &mut Window, cx: &mut App) -> impl IntoElement {
let chrome = {
let theme = cx.theme();
TabsChrome {
foreground: theme.colors.foreground,
muted: theme.colors.muted,
muted_foreground: theme.colors.muted_foreground,
primary: theme.ramps.primary.base,
border: theme.colors.border,
radius_sm: theme.radius.sm,
icon_size: theme.sizes.medium.icon_size,
text_size: theme.sizes.medium.text_size,
selected: self.selected,
}
};
let tabs = match self.tabs {
Some(build) => build(window, cx),
None => Vec::new(),
@@ -147,11 +120,8 @@ impl RenderOnce for Tabs {
.map(|(index, _)| index)
.collect();
// Keyboard focus rides the strip across frames.
let focus_handle = window.with_element_namespace(self.id.clone(), |window| {
window.use_keyed_state("tabs-focus", cx, |_, cx| cx.focus_handle())
});
let focus = focus_handle.read(cx).clone();
let focus = gpui_native_utils::focus_handle(&self.id, window, cx);
let theme = cx.theme();
let label = self
.a11y_label
@@ -163,10 +133,11 @@ impl RenderOnce for Tabs {
.enumerate()
.map(|(index, tab)| {
render_tab(
theme,
tab,
index,
self.selected == index,
&chrome,
self.selected,
&self.on_change,
&focus,
)
@@ -178,8 +149,8 @@ impl RenderOnce for Tabs {
.flex()
.gap_1()
.border_b_1()
.border_color(chrome.border)
.text_size(chrome.text_size)
.border_color(theme.colors.border)
.text_size(theme.sizes.medium.text_size)
.track_focus(&focus)
.focusable()
.tab_stop(true)
@@ -190,8 +161,8 @@ impl RenderOnce for Tabs {
let on_change = self.on_change.clone();
move |event: &KeyDownEvent, window, cx| {
let target = match event.keystroke.key.as_str() {
"right" => adjacent(&selectable, selected, true),
"left" => adjacent(&selectable, selected, false),
"right" => adjacent_selectable(&selectable, Some(selected), true),
"left" => adjacent_selectable(&selectable, Some(selected), false),
"home" => selectable.first().copied(),
"end" => selectable.last().copied(),
_ => return,
@@ -210,19 +181,20 @@ impl RenderOnce for Tabs {
}
fn render_tab(
theme: &Theme,
tab: &Tab,
index: usize,
selected: bool,
chrome: &TabsChrome,
selected_index: usize,
on_change: &Option<ChangeHandler>,
focus: &gpui::FocusHandle,
) -> AnyElement {
let label_color = if tab.disabled {
chrome.muted_foreground
theme.colors.muted_foreground
} else if selected {
chrome.primary
theme.ramps.primary.base
} else {
chrome.foreground
theme.colors.foreground
};
let mut strip_tab = div()
@@ -232,31 +204,34 @@ fn render_tab(
.gap_1p5()
.px_2()
.py_1()
.rounded_tl(chrome.radius_sm)
.rounded_tr(chrome.radius_sm)
.rounded_tl(theme.radius.sm)
.rounded_tr(theme.radius.sm)
.role(Role::Tab)
.aria_selected(selected)
.text_color(label_color)
.when(selected, |strip_tab| {
// The underline sits on the strip's hairline, marking the active
// tab the way a native tab bar does.
strip_tab.border_b_2().border_color(chrome.primary)
strip_tab
.border_b_2()
.border_color(theme.ramps.primary.base)
})
.when(!tab.disabled && !selected, |strip_tab| {
strip_tab.hover(|strip_tab| strip_tab.bg(chrome.muted))
strip_tab.hover(|strip_tab| strip_tab.bg(theme.colors.muted))
})
.child(
div()
.flex_none()
.pb_0p5()
.when_some(tab.icon, |strip_tab, role| {
strip_tab.child(icon(role).size(chrome.icon_size * 0.75).color(label_color))
strip_tab.child(
icon(role)
.size(theme.sizes.medium.icon_size * 0.75)
.color(label_color),
)
}),
)
.child(strip_tab_label(tab.label.clone(), selected, chrome));
.child(strip_tab_label(tab.label.clone(), selected, theme));
if !tab.disabled {
let selected_index = chrome.selected;
strip_tab = strip_tab.cursor_pointer().on_click({
let on_change = on_change.clone();
let focus = focus.clone();
@@ -274,26 +249,13 @@ fn render_tab(
strip_tab.into_any_element()
}
fn strip_tab_label(label: SharedString, selected: bool, chrome: &TabsChrome) -> AnyElement {
fn strip_tab_label(label: SharedString, selected: bool, theme: &Theme) -> AnyElement {
div()
.text_color(if selected {
chrome.primary
theme.ramps.primary.base
} else {
chrome.foreground
theme.colors.foreground
})
.child(label)
.into_any_element()
}
/// The next selectable tab in the direction.
fn adjacent(selectable: &[usize], selected: usize, forward: bool) -> Option<usize> {
if forward {
selectable.iter().copied().find(|index| *index > selected)
} else {
selectable
.iter()
.copied()
.rev()
.find(|index| *index < selected)
}
}
crates/data/src/tree.rs
+40 -128
View File
@@ -2,12 +2,13 @@ use std::rc::Rc;
use gpui::prelude::FluentBuilder as _;
use gpui::{
AnyElement, App, ElementId, FocusHandle, Hsla, InteractiveElement as _, IntoElement,
KeyDownEvent, ParentElement as _, Pixels, RenderOnce, Role, SharedString,
StatefulInteractiveElement as _, Styled as _, Window, div,
AnyElement, App, ElementId, FocusHandle, InteractiveElement as _, IntoElement, KeyDownEvent,
ParentElement as _, RenderOnce, Role, SharedString, StatefulInteractiveElement as _,
Styled as _, Window, div,
};
use gpui_native_icons::{IconRole, icon};
use gpui_native_theme::ActiveTheme as _;
use gpui_native_theme::{ActiveTheme as _, Theme};
use gpui_native_utils::{nav_key, paint_selectable_row, selectable_label_color};
/// The change reporter, fired with the next selection by pointer and keys.
type ChangeHandler = Rc<dyn Fn(Option<usize>, &mut Window, &mut App)>;
@@ -143,38 +144,8 @@ impl Tree {
}
}
struct TreeChrome {
foreground: Hsla,
muted: Hsla,
muted_foreground: Hsla,
primary: Hsla,
primary_foreground: Hsla,
radius_sm: Pixels,
icon_size: Pixels,
padding_x: Pixels,
text_size: Pixels,
/// The row count, for the rows' set-size a11y attributes.
count: usize,
}
impl RenderOnce for Tree {
fn render(self, window: &mut Window, cx: &mut App) -> impl IntoElement {
let chrome = {
let theme = cx.theme();
TreeChrome {
foreground: theme.colors.foreground,
muted: theme.colors.muted,
muted_foreground: theme.colors.muted_foreground,
primary: theme.ramps.primary.base,
primary_foreground: theme.colors.primary_foreground,
radius_sm: theme.radius.sm,
icon_size: theme.sizes.medium.icon_size,
padding_x: theme.sizes.medium.padding_x,
text_size: theme.sizes.medium.text_size,
count: 0,
}
};
let items = match self.items {
Some(build) => build(window, cx),
None => Vec::new(),
@@ -188,30 +159,24 @@ impl RenderOnce for Tree {
.collect();
// Keyboard focus rides the container across frames.
let focus_handle = window.with_element_namespace(self.id.clone(), |window| {
window.use_keyed_state("tree-focus", cx, |_, cx| cx.focus_handle())
});
let focus = focus_handle.read(cx).clone();
let focus = gpui_native_utils::focus_handle(&self.id, window, cx);
let label = self
.a11y_label
.clone()
.unwrap_or_else(|| SharedString::from(self.id.to_string()));
let chrome = TreeChrome {
count: items.len(),
..chrome
};
let theme = cx.theme();
let rows: Vec<AnyElement> = items
.iter()
.enumerate()
.map(|(index, item)| {
.map(|(index, _item)| {
render_row(
item,
theme,
&items,
index,
self.selected == Some(index),
&chrome,
&self.on_change,
&self.on_disclosure,
&focus,
@@ -224,7 +189,7 @@ impl RenderOnce for Tree {
.flex()
.flex_col()
.gap_0p5()
.text_size(chrome.text_size)
.text_size(theme.sizes.medium.text_size)
.track_focus(&focus)
.focusable()
.tab_stop(true)
@@ -235,39 +200,15 @@ impl RenderOnce for Tree {
let on_change = self.on_change.clone();
let on_disclosure = self.on_disclosure.clone();
move |event: &KeyDownEvent, window, cx| {
if nav_key(&selectable, selected, &event.keystroke.key, |next| {
if let Some(on_change) = &on_change {
on_change(next, window, cx);
}
}) {
cx.stop_propagation();
return;
}
match event.keystroke.key.as_str() {
"down" => {
if let Some(next) = adjacent(&selectable, selected, true)
&& Some(next) != selected
&& let Some(on_change) = &on_change
{
on_change(Some(next), window, cx);
}
}
"up" => {
if let Some(next) = adjacent(&selectable, selected, false)
&& Some(next) != selected
&& let Some(on_change) = &on_change
{
on_change(Some(next), window, cx);
}
}
"home" => {
if let Some(first) = selectable.first()
&& selected != Some(*first)
&& let Some(on_change) = &on_change
{
on_change(Some(*first), window, cx);
}
}
"end" => {
if let Some(last) = selectable.last()
&& selected != Some(*last)
&& let Some(on_change) = &on_change
{
on_change(Some(*last), window, cx);
}
}
"left" | "right" => {
let expanding = event.keystroke.key == "right";
if let Some(index) = selected
@@ -290,19 +231,21 @@ impl RenderOnce for Tree {
}
fn render_row(
item: &TreeItem,
theme: &Theme,
items: &[TreeItem],
index: usize,
selected: bool,
chrome: &TreeChrome,
on_change: &Option<ChangeHandler>,
on_disclosure: &Option<DisclosureHandler>,
focus: &FocusHandle,
) -> AnyElement {
let label_color = row_color(item, selected, chrome);
let item = &items[index];
let count = items.len();
let label_color = selectable_label_color(theme, selected, item.disabled);
let disabled = item.disabled;
// One indent step per depth level, on the theme's horizontal padding.
let indent = chrome.padding_x * (item.depth as f32 + 1.0);
let indent = theme.sizes.medium.padding_x * (item.depth as f32 + 1.0);
div()
.id(("tree-item", index))
@@ -312,21 +255,13 @@ fn render_row(
.pl(indent)
.pr_2()
.py_1()
.rounded(chrome.radius_sm)
.rounded(theme.radius.sm)
.role(Role::TreeItem)
.aria_selected(selected)
.aria_level(item.depth + 1)
.aria_size_of_set(chrome.count)
.aria_size_of_set(count)
.when(item.expandable, |row| row.aria_expanded(item.expanded))
.map(|row| {
if disabled {
row
} else if selected {
row.bg(chrome.primary)
} else {
row.hover(|row| row.bg(chrome.muted))
}
})
.map(|row| paint_selectable_row(theme, row, selected, disabled))
.when(!disabled, |row| {
row.cursor_pointer().on_click({
let on_change = on_change.clone();
@@ -344,11 +279,15 @@ fn render_row(
index,
disabled,
selected,
chrome,
theme,
on_disclosure,
))
.when_some(item.icon, |row, role| {
row.child(icon(role).size(chrome.icon_size).color(label_color))
row.child(
icon(role)
.size(theme.sizes.medium.icon_size)
.color(label_color),
)
})
.child(
div()
@@ -365,20 +304,20 @@ fn render_disclosure(
index: usize,
disabled: bool,
selected: bool,
chrome: &TreeChrome,
theme: &Theme,
on_disclosure: &Option<DisclosureHandler>,
) -> AnyElement {
let glyph_color = if disabled {
chrome.muted_foreground
theme.colors.muted_foreground
} else if selected {
chrome.primary_foreground
theme.colors.primary_foreground
} else {
chrome.muted_foreground
theme.colors.muted_foreground
};
let cell = div()
.flex_none()
.size(chrome.icon_size)
.size(theme.sizes.medium.icon_size)
.flex()
.items_center()
.justify_center()
@@ -388,7 +327,7 @@ fn render_disclosure(
} else {
IconRole::ChevronRight
})
.size(chrome.icon_size * 0.75)
.size(theme.sizes.medium.icon_size * 0.75)
.color(glyph_color),
);
@@ -410,30 +349,3 @@ fn render_disclosure(
cell.into_any_element()
}
}
/// The row's label/icon color.
fn row_color(item: &TreeItem, selected: bool, chrome: &TreeChrome) -> Hsla {
if item.disabled {
chrome.muted_foreground
} else if selected {
chrome.primary_foreground
} else {
chrome.foreground
}
}
/// The next selectable row in the direction.
fn adjacent(selectable: &[usize], selected: Option<usize>, forward: bool) -> Option<usize> {
if forward {
selectable
.iter()
.copied()
.find(|index| Some(*index) > selected)
} else {
selectable
.iter()
.copied()
.rev()
.find(|index| Some(*index) < selected)
}
}