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chore: reduce component overhead (#3)

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Reviewed-on: #3
This commit was merged in pull request #3.
This commit is contained in:
reya
2026-11-09 10:09:56 +00:00
parent 6815585528
commit 1c091db699
44 changed files with 1376 additions and 1241 deletions
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crates/core/src/alert.rs
+13 -5
View File
@@ -260,11 +260,19 @@ impl Alerts {
}
}
/// Dismisses every alert.
/// Dismisses every alert, running each entry's `on_dismiss` handler.
pub fn clear(&mut self, cx: &mut Context<Self>) {
if !self.entries.is_empty() {
self.entries.clear();
cx.notify();
if self.entries.is_empty() {
return;
}
let entries = std::mem::take(&mut self.entries);
cx.notify();
for entry in entries {
if let Some(on_dismiss) = entry.on_dismiss {
on_dismiss(cx);
}
}
}
@@ -304,7 +312,7 @@ impl RenderOnce for AlertsView {
let theme = cx.theme();
let enter_duration = theme.motion.overlay;
let entries: Vec<AlertEntry> = self.alerts.read(cx).entries().to_vec();
let entries = self.alerts.read(cx).entries();
deferred(
div()
crates/core/src/avatar.rs
+11 -18
View File
@@ -4,7 +4,10 @@ use gpui::{
App, ElementId, InteractiveElement as _, IntoElement, ParentElement as _, RenderOnce, Role,
SharedString, StatefulInteractiveElement as _, StyleRefinement, Styled as _, Window, div,
};
use gpui_native_theme::{ActiveTheme as _, Oklch, Size, ThemeVariant};
use gpui_native_theme::{
ActiveTheme as _, Oklch, PIXEL_AVATAR_DARK_FACTOR, PIXEL_AVATAR_DARK_FLOOR,
PIXEL_AVATAR_LIGHT_CAP, PIXEL_AVATAR_LIGHT_LIFT, PIXEL_AVATAR_TINT_ALPHA, Size, ThemeVariant,
};
use crate::common::{Sizable, StyledExt, h_flex};
@@ -108,12 +111,10 @@ impl RenderOnce for Avatar {
.refine_style(&self.style);
match self.picture {
Some(url) => base.child(gpui::img(url).size_full().rounded(radius)),
Some(url) => base.child(gpui::img(url).size_full()),
None => base.child(PixelAvatar {
seed: fnv1a(self.id.as_bytes()),
side,
radius,
style: self.style,
}),
}
.into_any_element()
@@ -125,14 +126,6 @@ impl RenderOnce for Avatar {
struct PixelAvatar {
seed: u64,
side: gpui::Pixels,
radius: gpui::Pixels,
style: StyleRefinement,
}
impl gpui::Styled for PixelAvatar {
fn style(&mut self) -> &mut StyleRefinement {
&mut self.style
}
}
impl RenderOnce for PixelAvatar {
@@ -147,13 +140,13 @@ impl RenderOnce for PixelAvatar {
let shade = if theme.variant == ThemeVariant::Dark {
Oklch {
l: (accent.l * 1.6).min(0.95),
l: (accent.l * PIXEL_AVATAR_LIGHT_LIFT).min(PIXEL_AVATAR_LIGHT_CAP),
..Oklch::from_hsla(main)
}
.to_hsla()
} else {
Oklch {
l: (accent.l * 0.45).max(0.18),
l: (accent.l * PIXEL_AVATAR_DARK_FACTOR).max(PIXEL_AVATAR_DARK_FLOOR),
..Oklch::from_hsla(main)
}
.to_hsla()
@@ -182,11 +175,11 @@ impl RenderOnce for PixelAvatar {
.grid_rows(GRID_SIZE as u16)
.size(self.side)
.flex_none()
.rounded(self.radius)
.overflow_hidden()
.bg(gpui::Hsla { a: 0.16, ..main })
.bg(gpui::Hsla {
a: PIXEL_AVATAR_TINT_ALPHA,
..main
})
.children(cells)
.refine_style(&self.style)
}
}
crates/core/src/button.rs
+4 -4
View File
@@ -4,7 +4,7 @@ use gpui::prelude::FluentBuilder as _;
use gpui::{
AnyView, App, ClickEvent, ElementId, InteractiveElement as _, IntoElement, ParentElement as _,
RenderOnce, Role, SharedString, StatefulInteractiveElement as _, Styled as _, Window, canvas,
hsla, relative,
relative, transparent_black,
};
use gpui_native_icons::{IconRole, icon};
use gpui_native_theme::{ActiveTheme as _, BORDER_WIDTH, Size};
@@ -199,9 +199,9 @@ impl RenderOnce for Button {
match background {
Some(fill) => (fill, hover, pressed),
None => (
hsla(0.0, 0.0, 0.0, 0.0),
hsla(0.0, 0.0, 0.0, 0.0),
hsla(0.0, 0.0, 0.0, 0.0),
transparent_black(),
transparent_black(),
transparent_black(),
),
}
};
crates/core/src/combobox.rs
+23 -31
View File
@@ -10,13 +10,13 @@ use std::rc::Rc;
use gpui::prelude::FluentBuilder as _;
use gpui::{
App, Bounds, Context, ElementId, Entity, EventEmitter, InteractiveElement as _, IntoElement,
KeyBinding, MouseButton, MouseDownEvent, ParentElement as _, Pixels, Render, Role,
ScrollHandle, SharedString, StatefulInteractiveElement as _, StyleRefinement, Styled,
Subscription, Task, Window, actions, anchored, canvas, deferred, div, point, px,
App, Bounds, Context, ElementId, Entity, InteractiveElement as _, IntoElement, KeyBinding,
MouseButton, MouseDownEvent, ParentElement as _, Pixels, Render, Role, ScrollHandle,
SharedString, StatefulInteractiveElement as _, StyleRefinement, Styled, Subscription, Task,
Window, actions, anchored, canvas, deferred, div, point, px,
};
use gpui_native_icons::{IconRole, icon};
use gpui_native_theme::{ActiveTheme as _, BORDER_WIDTH, Size};
use gpui_native_theme::{ActiveTheme as _, BORDER_WIDTH, POPUP_MAX_HEIGHT, Size};
use crate::common::{Sizable, StyledExt as _, h_flex, v_flex};
use crate::input::{Input, InputState, InputStateEvent};
@@ -177,9 +177,6 @@ where
}
}
/// Emitted when the combobox's value changes.
pub struct ComboboxChanged;
/// The stateful combobox.
pub struct ComboboxState<T>
where
@@ -209,8 +206,6 @@ where
_subscription: Subscription,
}
impl<T> EventEmitter<ComboboxChanged> for ComboboxState<T> where T: Clone + PartialEq + 'static {}
impl<T> Sizable for ComboboxState<T>
where
T: Clone + PartialEq + 'static,
@@ -316,8 +311,8 @@ where
.map(|(_, label)| label.clone())
}
/// Recomputes `visible` for `query` and hands the survivors' labels back.
fn refilter(&mut self, query: &str) -> Vec<SharedString> {
/// Recomputes `visible` for `query` and clamps the highlight onto it.
fn refilter(&mut self, query: &str) {
let filter = self.filter.clone();
self.visible = self
.options
@@ -326,10 +321,7 @@ where
.filter(|(_, (value, label))| filter(query, value, label))
.map(|(index, _)| index)
.collect();
self.visible
.iter()
.map(|index| self.options[*index].1.clone())
.collect()
self.highlight = self.highlight.filter(|row| *row < self.visible.len());
}
fn query_text(&self, cx: &Context<Self>) -> String {
@@ -349,7 +341,6 @@ where
});
self.tasks.push(task);
}
cx.emit(ComboboxChanged);
cx.notify();
}
@@ -375,7 +366,7 @@ where
fn text_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
let query = self.query_text(cx);
self.refilter(&query);
self.highlight = (!self.visible.is_empty()).then_some(0usize);
self.highlight = Some(0);
self.set_value(None, window, cx);
cx.notify();
}
@@ -386,7 +377,7 @@ where
return;
}
self.refilter("");
self.highlight = (!self.visible.is_empty()).then_some(0usize);
self.highlight = Some(0);
cx.notify();
}
@@ -427,10 +418,7 @@ where
if self.visible.is_empty() {
return;
}
let current = self
.highlight
.and_then(|row| self.visible.get(row).copied())
.and_then(|option_ix| self.visible.iter().position(|&row| row == option_ix));
let current = self.highlight.filter(|row| *row < self.visible.len());
let next = match current {
Some(row) => {
let row = (row as i32 + delta).rem_euclid(self.visible.len() as i32);
@@ -510,9 +498,13 @@ where
if state.highlight.is_some() {
state.highlight = None;
} else {
let query = state.query.read(cx).value().to_string();
state.refilter(&query);
state.highlight = (!state.visible.is_empty()).then_some(0usize);
if state.selected.is_some() {
state.refilter("");
} else {
let query = state.query.read(cx).value().to_string();
state.refilter(&query);
}
state.highlight = Some(0);
}
cx.notify();
});
@@ -600,8 +592,8 @@ where
div()
.id(("option", row))
.debug_selector({
let name = format!("{id}-option-{row}");
move || name
let id = id.clone();
move || format!("{id}-option-{row}")
})
.flex()
.items_center()
@@ -663,7 +655,7 @@ where
ScrollArea::new((id.clone(), "rows"))
.handle(scroll.read(cx).clone())
.axes(crate::scroll_area::ScrollAxes::Vertical)
.max_h(px(320.))
.max_h(POPUP_MAX_HEIGHT)
.children(rows)
.into_any_element()
};
@@ -677,8 +669,8 @@ where
let panel = v_flex()
.id((id.clone(), "panel"))
.debug_selector({
let name = format!("{id}-panel");
move || name
let id = id.clone();
move || format!("{id}-panel")
})
.w(popup_width)
.p_1()
crates/core/src/command_palette.rs
+32 -46
View File
@@ -1,17 +1,16 @@
//! The command palette: a modal query field over the application's actions.
use std::cell::RefCell;
use std::rc::Rc;
use gpui::prelude::FluentBuilder as _;
use gpui::{
AnyElement, App, Bounds, Context, ElementId, Entity, InteractiveElement as _, IntoElement,
KeyBinding, MouseButton, MouseDownEvent, ParentElement as _, Pixels, Render, Role,
ScrollHandle, SharedString, StatefulInteractiveElement as _, Styled as _, Subscription, Window,
actions, canvas, div, px, relative,
AnyElement, App, Context, ElementId, Entity, InteractiveElement as _, IntoElement, KeyBinding,
MouseButton, ParentElement as _, Render, Role, ScrollHandle, SharedString,
StatefulInteractiveElement as _, Styled as _, Subscription, Window, actions, canvas, deferred,
div, relative,
};
use gpui_native_icons::{IconRole, icon};
use gpui_native_theme::{ActiveTheme as _, Size};
use gpui_native_theme::{ActiveTheme as _, POPUP_MAX_HEIGHT, Size};
use crate::common::{h_flex, v_flex};
use crate::input::{Input, InputState, InputStateEvent};
@@ -322,6 +321,7 @@ impl Render for CommandPaletteState {
let id = self.id.clone();
let state = cx.entity();
let query_focus = self.query.read(cx).focus_handle();
let rows: Vec<AnyElement> = self
.matches
@@ -333,10 +333,10 @@ impl Render for CommandPaletteState {
let row_ix = row;
h_flex()
.id(("command", row))
.id((ElementId::from(command.id.clone()), "command"))
.debug_selector({
let name = format!("{id}-command-{row}");
move || name
let id = id.clone();
move || format!("{id}-command-{row}")
})
.gap_2()
.px_2()
@@ -401,19 +401,16 @@ impl Render for CommandPaletteState {
ScrollArea::new((id.clone(), "rows"))
.handle(scroll.read(cx).clone())
.axes(ScrollAxes::Vertical)
.max_h(px(320.))
.max_h(POPUP_MAX_HEIGHT)
.children(rows)
.into_any_element()
};
let panel_bounds: Rc<RefCell<Option<Bounds<Pixels>>>> = Rc::new(RefCell::new(None));
let query_focus = self.query.read(cx).focus_handle();
let panel = v_flex()
.id((id.clone(), "panel"))
.debug_selector({
let name = format!("{id}-panel");
move || name
let id = id.clone();
move || format!("{id}-panel")
})
.key_context(COMMAND_PALETTE_CONTEXT)
.role(Role::Dialog)
@@ -460,20 +457,14 @@ impl Render for CommandPaletteState {
)
.child(rows)
.child(
canvas(
{
let cell = panel_bounds.clone();
move |bounds, _window, _cx| *cell.borrow_mut() = Some(bounds)
},
{
let focus = query_focus.clone();
move |_, _, window, cx| {
if !focus.contains_focused(window, cx) {
window.focus(&focus, cx);
}
canvas(|_, _, _| {}, {
let focus = query_focus.clone();
move |_, _, window, cx| {
if !focus.contains_focused(window, cx) {
window.focus(&focus, cx);
}
},
)
}
})
.absolute()
.inset_0(),
);
@@ -485,28 +476,23 @@ impl Render for CommandPaletteState {
.occlude()
.on_mouse_down(MouseButton::Left, {
let state = state.clone();
let panel_bounds = panel_bounds.clone();
move |event: &MouseDownEvent, _window, cx| {
let on_panel = panel_bounds
.borrow()
.is_some_and(|bounds| bounds.contains(&event.position));
if on_panel {
return;
}
move |_, _window, cx| {
state.update(cx, |state, cx| state.close(cx));
cx.stop_propagation();
}
});
div()
.absolute()
.inset_0()
.flex()
.justify_center()
.items_start()
.pt_10()
.child(scrim)
.child(panel)
.into_any_element()
deferred(
div()
.absolute()
.inset_0()
.flex()
.justify_center()
.items_start()
.pt_10()
.child(scrim)
.child(panel),
)
.into_any_element()
}
}
crates/core/src/dialog.rs
+11 -30
View File
@@ -1,12 +1,10 @@
use std::cell::RefCell;
use gpui::prelude::FluentBuilder as _;
use std::rc::Rc;
use gpui::prelude::FluentBuilder as _;
use gpui::{
Animation, AnimationExt as _, AnyElement, App, Bounds, ElementId, FontWeight,
InteractiveElement as _, IntoElement, KeyDownEvent, MouseButton, MouseDownEvent,
ParentElement as _, Pixels, RenderOnce, Role, SharedString, StatefulInteractiveElement as _,
Styled as _, Window, canvas, div, ease_out_quint, relative,
Animation, AnimationExt as _, AnyElement, App, ElementId, FontWeight, InteractiveElement as _,
IntoElement, KeyDownEvent, MouseButton, ParentElement as _, RenderOnce, Role, SharedString,
StatefulInteractiveElement as _, Styled as _, Window, canvas, div, ease_out_quint, relative,
};
use gpui_native_theme::ActiveTheme as _;
@@ -16,9 +14,6 @@ use crate::common::v_flex;
pub type ChangeHandler = Rc<dyn Fn(bool, &mut Window, &mut App)>;
type ContentFn = Box<dyn Fn(&mut Window, &mut App) -> AnyElement>;
type ActionsFn = Box<dyn Fn(&mut Window, &mut App) -> Vec<AnyElement>>;
/// Bounds captured during the last paint, shared with the scrim listener.
type BoundsCell = Rc<RefCell<Option<Bounds<Pixels>>>>;
/// A centred panel over a dim scrim: the platform's modal.
#[derive(IntoElement)]
pub struct Dialog {
@@ -165,7 +160,6 @@ impl RenderOnce for Dialog {
let content = self.content.map(|build| build(window, cx));
let actions = self.actions.map(|build| build(window, cx));
let panel_bounds: BoundsCell = Rc::new(RefCell::new(None));
let panel = v_flex()
.id("dialog-panel")
@@ -211,19 +205,13 @@ impl RenderOnce for Dialog {
panel.child(div().flex().justify_end().gap_2().children(actions))
})
.child(
canvas(
{
let cell = panel_bounds.clone();
move |bounds, _window, _cx| *cell.borrow_mut() = Some(bounds)
},
{
move |_, _, window, cx| {
if !focus.contains_focused(window, cx) {
window.focus(&focus, cx);
}
canvas(|_, _, _| {}, {
move |_, _, window, cx| {
if !focus.contains_focused(window, cx) {
window.focus(&focus, cx);
}
},
)
}
})
.absolute()
.inset_0(),
);
@@ -235,15 +223,8 @@ impl RenderOnce for Dialog {
.occlude()
.when(!alert, |scrim| {
scrim.on_mouse_down(MouseButton::Left, {
let panel_bounds = panel_bounds.clone();
let on_change = on_change.clone();
move |event: &MouseDownEvent, _window, cx| {
let on_panel = panel_bounds
.borrow()
.is_some_and(|bounds| bounds.contains(&event.position));
if on_panel {
return;
}
move |_, _window, cx| {
if let Some(on_change) = &on_change {
on_change(false, _window, cx);
}
crates/core/src/dropdown_menu.rs
+7 -6
View File
@@ -7,7 +7,7 @@ use gpui::prelude::FluentBuilder as _;
use gpui::{
App, ClickEvent, DispatchPhase, ElementId, InteractiveElement as _, IntoElement, KeyDownEvent,
MouseButton, MouseDownEvent, ParentElement as _, RenderOnce, Role, SharedString,
StatefulInteractiveElement as _, Styled as _, Window, canvas, div, hsla, relative,
StatefulInteractiveElement as _, Styled as _, Window, canvas, div, relative,
};
use gpui_native_icons::{IconRole, icon};
use gpui_native_theme::{ActiveTheme as _, BORDER_WIDTH, Size};
@@ -193,7 +193,7 @@ impl RenderOnce for DropdownMenu {
let border = if show_border {
colors.border
} else {
background.unwrap_or_else(|| hsla(0.0, 0.0, 0.0, 0.0))
background.unwrap_or_else(gpui::transparent_black)
};
let split = self.on_click.is_some();
@@ -207,7 +207,8 @@ impl RenderOnce for DropdownMenu {
let a11y_label = self.a11y_label.or_else(|| self.label.clone());
let focus = focus_handle(&self.id, window, cx).tab_stop(self.tab_stop);
// How the menu was last opened, read by the frame that mounts the panel.
let keyboard_open = window.use_keyed_state("dropdown-open-origin", cx, |_, _| false);
let keyboard_open =
window.use_keyed_state((self.id.clone(), "dropdown-open-origin"), cx, |_, _| false);
let on_open: ChangeHandler = {
let focus = focus.clone();
@@ -421,10 +422,10 @@ impl RenderOnce for DropdownMenu {
let items = if self.open {
self.items
.map(|build| build(window, cx))
.unwrap_or_default()
.map(|build| Rc::from(build(window, cx)))
.unwrap_or_else(|| Rc::from([]))
} else {
Vec::new()
Rc::from([])
};
if let Some(panel) = anchored_menu_panel(
crates/core/src/field.rs
+6 -6
View File
@@ -95,8 +95,8 @@ impl RenderOnce for Field {
let title = div()
.debug_selector({
let name = format!("{id}-label");
move || name
let id = id.clone();
move || format!("{id}-label")
})
.text_size(metrics.text_size)
.child(self.label.clone());
@@ -105,16 +105,16 @@ impl RenderOnce for Field {
.items_center()
.gap_2()
.debug_selector({
let name = format!("{id}-control");
move || name
let id = id.clone();
move || format!("{id}-control")
})
.children(self.control);
let error = self.error.map(|error| {
div()
.debug_selector({
let name = format!("{id}-error");
move || name
let id = id.clone();
move || format!("{id}-error")
})
.text_size(metrics.caption_size)
.text_color(error_color)
crates/core/src/input.rs
+127 -106
View File
@@ -1,4 +1,3 @@
use std::cell::RefCell;
use std::ops::Range;
use std::rc::Rc;
use std::time::{Duration, Instant};
@@ -16,7 +15,10 @@ use gpui::{
WrappedLine, actions, canvas, div, fill, point, px,
};
use gpui_native_icons::IconRole;
use gpui_native_theme::{ActiveTheme as _, BORDER_WIDTH, ColorTokens, Size};
use gpui_native_theme::{
ActiveTheme as _, BORDER_WIDTH, CARET_WIDTH, ColorTokens, Size, UNDERLINE_WIDTH,
WHEEL_LINE_HEIGHT,
};
use gpui_native_utils::focus_ring;
use crate::button::{Button, ButtonVariant};
@@ -29,7 +31,7 @@ const DEFAULT_GROUP_INTERVAL: Duration = Duration::from_millis(300);
/// How often the focused caret blinks.
const CARET_BLINK_INTERVAL: Duration = Duration::from_millis(500);
/// Pixel height of one scroll "line" for wheel scrolling.
const SCROLL_LINES_HEIGHT: f32 = 20.0;
const SCROLL_LINES_HEIGHT: f32 = WHEEL_LINE_HEIGHT;
/// The row count a multiline field shows until the app sets one.
const DEFAULT_ROWS: usize = 4;
/// Maximum undo entries kept; the oldest drops off the front.
@@ -270,7 +272,7 @@ impl InputBindings {
}
/// Collects the table into keybindings.
pub fn into_bindings(self) -> Vec<KeyBinding> {
pub(crate) fn into_bindings(self) -> Vec<KeyBinding> {
let mut bindings: Vec<KeyBinding> = [
self.escape,
self.submit,
@@ -491,9 +493,9 @@ pub struct InputState {
focused: bool,
focus_handle: gpui::FocusHandle,
/// The key-down handler, bound to this entity with `cx.listener`.
key_down_handler: Option<KeyDownHandler>,
key_down_handler: KeyDownHandler,
/// The mouse-down handler, bound to this entity with `cx.listener`.
mouse_down_handler: Option<MouseDownHandler>,
mouse_down_handler: MouseDownHandler,
/// Whether a drag-select is in progress.
dragging: bool,
/// Patch history. `redo_stack` holds undone entries awaiting redo.
@@ -520,9 +522,9 @@ pub struct InputState {
/// Bumped on every edit.
caret_epoch: usize,
/// When the current caret epoch started.
caret_epoch_started: Option<Instant>,
caret_epoch_started: Instant,
/// The shaped line and element bounds, recorded during each paint.
layout: Rc<RefCell<Option<InputLayout>>>,
layout: Option<InputLayout>,
}
impl EventEmitter<InputStateEvent> for InputState {}
@@ -536,16 +538,14 @@ impl InputState {
marked_range: None,
focused: false,
focus_handle: cx.focus_handle(),
key_down_handler: Some(Rc::new(cx.listener(
|state, event: &KeyDownEvent, window, cx| {
state.handle_key_down(event, window, cx);
},
))),
mouse_down_handler: Some(Rc::new(cx.listener(
key_down_handler: Rc::new(cx.listener(|state, event: &KeyDownEvent, window, cx| {
state.handle_key_down(event, window, cx);
})),
mouse_down_handler: Rc::new(cx.listener(
|state, event: &MouseDownEvent, window, cx| {
state.handle_mouse_down(event, window, cx);
},
))),
)),
dragging: false,
undo_stack: Vec::new(),
redo_stack: Vec::new(),
@@ -559,8 +559,8 @@ impl InputState {
scroll_offset: point(Pixels::ZERO, Pixels::ZERO),
scroll_to_caret_pending: true,
caret_epoch: 0,
caret_epoch_started: Some(Instant::now()),
layout: Rc::new(RefCell::new(None)),
caret_epoch_started: Instant::now(),
layout: None,
}
}
@@ -696,12 +696,7 @@ impl InputState {
}
}
/// Which keystroke submits a multiline field.
pub fn submit_on(&self) -> SubmitOn {
self.submit_on
}
/// Whether the painted line masks the buffer.
// Whether the painted line masks the buffer.
fn masked(&self) -> bool {
self.password && !self.revealed
}
@@ -711,32 +706,43 @@ impl InputState {
self.redo_stack.clear();
let now = Instant::now();
if let Some(last) = self.undo_stack.last_mut()
&& now.duration_since(last.timestamp) < self.group_interval
{
if let Some(last) = self.undo_stack.last_mut() {
let last_end = last.range.start + last.new_len;
// Typing that continues right after the previous edit.
if range.start == last_end {
last.new_len += new_len;
last.timestamp = now;
return;
if self.marked_range.is_some() {
// A pre-edit step overlapping the previous entry's region.
if range.start >= last.range.start {
last.new_len += new_len;
let replaced = range.len();
last.new_len -= replaced;
last.timestamp = now;
return;
}
}
// A deletion of text that sat right before the previous edit.
if range.end == last.range.start && new_len == 0 {
last.range.start = range.start;
last.old_text = old_text + &last.old_text;
last.timestamp = now;
return;
}
if now.duration_since(last.timestamp) < self.group_interval {
// Typing that continues right after the previous edit.
if range.start == last_end {
last.new_len += new_len;
last.timestamp = now;
return;
}
// An edit fully inside the previous edit's replacement.
if range.start >= last.range.start && range.end <= last_end {
last.new_len += new_len;
last.new_len -= range.len();
last.timestamp = now;
return;
// A deletion of text that sat right before the previous edit.
if range.end == last.range.start && new_len == 0 {
last.range.start = range.start;
last.old_text = old_text + &last.old_text;
last.timestamp = now;
return;
}
// An edit fully inside the previous edit's replacement.
if range.start >= last.range.start && range.end <= last_end {
last.new_len += new_len;
last.new_len -= range.len();
last.timestamp = now;
return;
}
}
}
@@ -769,7 +775,7 @@ impl InputState {
self.scroll_to_caret_pending = true;
self.goal_x = None;
self.caret_epoch += 1;
self.caret_epoch_started = Some(Instant::now());
self.caret_epoch_started = Instant::now();
window.notify_text_input_changed(&self.focus_handle);
}
@@ -781,20 +787,38 @@ impl InputState {
cx: &mut Context<Self>,
) -> bool {
if self.multiline {
self.scroll_offset.y = (self.scroll_offset.y + delta.y).max(Pixels::ZERO);
let next_y = (self.scroll_offset.y + delta.y).max(Pixels::ZERO);
if next_y == self.scroll_offset.y {
return self.multiline_scrollable();
}
self.scroll_offset.y = next_y;
} else {
self.scroll_offset.x = (self.scroll_offset.x - delta.x).max(Pixels::ZERO);
let next_x = (self.scroll_offset.x - delta.x).max(Pixels::ZERO);
if next_x == self.scroll_offset.x {
return false;
}
self.scroll_offset.x = next_x;
}
let scrollable = self
.layout
.borrow()
.as_ref()
.is_some_and(|layout| layout.content_height > layout.visible_height);
cx.notify();
window.notify_text_input_changed(&self.focus_handle);
self.multiline && scrollable
}
/// Whether a multiline field's content overflows vertically.
fn multiline_scrollable(&self) -> bool {
self.multiline
&& self
.layout
.as_ref()
.is_some_and(|layout| layout.content_height > layout.visible_height)
}
/// Emits `Focused`/`Blurred` when the field's focus state changed since the last paint.
fn sync_focus(&mut self, focused: bool, cx: &mut Context<Self>) {
if self.focused == focused {
@@ -802,11 +826,9 @@ impl InputState {
}
self.focused = focused;
// A fresh focus starts a fresh blink epoch, so the caret shows solid
// for one interval before blinking resumes.
if focused {
self.caret_epoch += 1;
self.caret_epoch_started = Some(Instant::now());
self.caret_epoch_started = Instant::now();
}
cx.emit(if focused {
@@ -817,11 +839,8 @@ impl InputState {
}
/// Whether the caret should paint.
pub fn caret_visible(&mut self, focused: bool) -> bool {
let elapsed = self
.caret_epoch_started
.map(|started| started.elapsed())
.unwrap_or_default();
pub fn caret_visible(&self, focused: bool) -> bool {
let elapsed = self.caret_epoch_started.elapsed();
self.caret_blink_visible_at(focused, elapsed)
}
@@ -901,15 +920,21 @@ impl InputState {
window: &mut Window,
cx: &mut Context<Self>,
) {
self.cursor = to.clamp(0, self.text.len());
if !extend {
self.anchor = self.cursor;
let cursor = to.clamp(0, self.text.len());
let anchor = if extend { self.anchor } else { cursor };
if cursor == self.cursor && anchor == self.anchor {
return;
}
self.cursor = cursor;
self.anchor = anchor;
self.notify(window, cx);
}
/// Selects `range`.
fn select_range(&mut self, range: Range<usize>, window: &mut Window, cx: &mut Context<Self>) {
if range.start == self.anchor && range.end == self.cursor {
return;
}
self.anchor = range.start;
self.cursor = range.end;
self.notify(window, cx);
@@ -1085,7 +1110,7 @@ impl InputState {
);
let text_width = (bounds.size.width - padding.left - padding.right).max(Pixels::ZERO);
*self.layout.borrow_mut() = Some(InputLayout {
self.layout = Some(InputLayout {
lines: text.lines,
rows,
bounds,
@@ -1107,8 +1132,7 @@ impl InputState {
return;
}
let layout = self.layout.borrow();
let Some(layout) = layout.as_ref() else {
let Some(layout) = self.layout.as_ref() else {
return;
};
@@ -1138,8 +1162,7 @@ impl InputState {
window: &mut Window,
cx: &mut App,
) {
let layout = self.layout.borrow();
let Some(layout) = layout.as_ref() else {
let Some(layout) = self.layout.as_ref() else {
return;
};
@@ -1155,17 +1178,16 @@ impl InputState {
let mut line_top = Pixels::ZERO;
for entry in &layout.lines {
let line_origin = point(origin.x, origin.y + line_top);
entry
.line
.paint(
line_origin,
layout.line_height,
TextAlign::Left,
None,
window,
cx,
)
.ok();
if let Err(err) = entry.line.paint(
line_origin,
layout.line_height,
TextAlign::Left,
None,
window,
cx,
) {
eprintln!("painting input text failed: {err}");
}
line_top += layout.line_height * (entry.line.wrap_boundaries().len() + 1) as f32;
}
});
@@ -1179,8 +1201,7 @@ impl InputState {
color: gpui::Hsla,
window: &mut Window,
) {
let layout = self.layout.borrow();
let Some(layout) = layout.as_ref() else {
let Some(layout) = self.layout.as_ref() else {
return;
};
@@ -1192,7 +1213,7 @@ impl InputState {
let caret_top = origin.y + layout.rows[row_ix].y + (layout.line_height - font_size) / 2.0;
let caret = Bounds::from_corners(
point(origin.x + caret_x, caret_top),
point(origin.x + caret_x + px(1.5), caret_top + font_size),
point(origin.x + caret_x + CARET_WIDTH, caret_top + font_size),
);
window.paint_quad(fill(caret, color));
@@ -1242,8 +1263,7 @@ impl InputState {
/// The text index at a window point, using the last painted layout.
fn index_at(&self, position: gpui::Point<Pixels>) -> usize {
let layout = self.layout.borrow();
let Some(layout) = layout.as_ref() else {
let Some(layout) = self.layout.as_ref() else {
return 0;
};
real_index(&layout.mask_map, layout.index_at(position))
@@ -1256,7 +1276,11 @@ impl InputState {
window: &mut Window,
cx: &mut Context<Self>,
) {
self.cursor = self.index_at(position);
let cursor = self.index_at(position);
if cursor == self.cursor {
return;
}
self.cursor = cursor;
self.notify(window, cx);
}
@@ -1268,14 +1292,13 @@ impl InputState {
color: gpui::Hsla,
window: &mut Window,
) {
let layout = self.layout.borrow();
let Some(layout) = layout.as_ref() else {
let Some(layout) = self.layout.as_ref() else {
return;
};
let start = display_index(&layout.mask_map, range.start);
let end = display_index(&layout.mask_map, range.end);
let thickness = px(1.0);
let thickness = UNDERLINE_WIDTH;
for (row_ix, clipped, beyond) in layout.row_overlaps(start..end) {
let top = origin.y + layout.rows[row_ix].y + layout.line_height - thickness;
@@ -1329,7 +1352,7 @@ impl InputState {
if event.click_count >= 3 {
// Triple-click selects the clicked row, which is all of it when single-line.
let row_range = self.layout.borrow().as_ref().and_then(|layout| {
let row_range = self.layout.as_ref().and_then(|layout| {
let display = display_index(&layout.mask_map, index);
layout.row_range_at(display).map(|range| {
real_index(&layout.mask_map, range.start)
@@ -1462,15 +1485,16 @@ impl InputState {
}
let target = {
let layout = self.layout.borrow();
let Some(layout) = layout.as_ref() else {
let Some(layout) = self.layout.as_ref() else {
return;
};
let display = display_index(&layout.mask_map, self.cursor);
let Some((row_ix, caret_x)) = layout.row_for_index(display) else {
return;
};
let target = row_ix as isize + delta;
let (display, goal_x) = if target < 0 {
(0, None)
} else if target as usize >= layout.rows.len() {
@@ -1479,6 +1503,7 @@ impl InputState {
let goal_x = self.goal_x.unwrap_or(caret_x);
(layout.index_at_row_x(target as usize, goal_x), Some(goal_x))
};
Some((real_index(&layout.mask_map, display), goal_x))
};
@@ -1748,8 +1773,7 @@ impl EntityInputHandler for InputState {
_window: &mut Window,
_cx: &mut Context<Self>,
) -> Option<Bounds<Pixels>> {
let layout = self.layout.borrow();
let layout = layout.as_ref()?;
let layout = self.layout.as_ref()?;
let start = display_index(
&layout.mask_map,
@@ -1797,9 +1821,10 @@ impl EntityInputHandler for InputState {
_window: &mut Window,
_cx: &mut Context<Self>,
) -> Option<usize> {
let layout = self.layout.borrow();
let layout = layout.as_ref()?;
Some(real_index(&layout.mask_map, layout.index_at(window_point)).min(self.text.len()))
let layout = self.layout.as_ref()?;
let index =
real_index(&layout.mask_map, layout.index_at(window_point)).min(self.text.len());
Some(utf8_range_to_utf16(&self.text, index..index).start)
}
fn text_length_utf16(
@@ -2049,7 +2074,11 @@ impl RenderOnce for Input {
canvas
.with_animation(
animation_id,
Animation::new(CARET_BLINK_INTERVAL * 2).repeat(),
// The blink needs four repaints per period,
// not the display's refresh rate.
Animation::new(CARET_BLINK_INTERVAL * 2)
.repeat()
.with_max_fps(4.0),
|canvas, _| canvas,
)
.into_any_element()
@@ -2172,23 +2201,13 @@ impl RenderOnce for Input {
.when(!self.disabled, |input| {
input
.on_mouse_down(MouseButton::Left, {
let mouse_down_handler = self
.state
.read(cx)
.mouse_down_handler
.clone()
.expect("input state always carries its mouse-down handler");
let mouse_down_handler = self.state.read(cx).mouse_down_handler.clone();
move |event: &MouseDownEvent, window, cx| {
mouse_down_handler(event, window, cx);
}
})
.on_key_down({
let key_down_handler = self
.state
.read(cx)
.key_down_handler
.clone()
.expect("input state always carries its key handler");
let key_down_handler = self.state.read(cx).key_down_handler.clone();
move |event: &KeyDownEvent, window, cx| {
key_down_handler(event, window, cx);
}
@@ -2516,7 +2535,9 @@ fn utf16_to_utf8_offset(text: &str, utf16_offset: usize) -> usize {
/// Converts a UTF-8 byte range to a UTF-16 range.
fn utf8_range_to_utf16(text: &str, range: Range<usize>) -> Range<usize> {
utf16_to_utf8_offset(text, range.start)..utf16_to_utf8_offset(text, range.end)
let start = text[..range.start].encode_utf16().count();
let end = start + text[range.start..range.end].encode_utf16().count();
start..end
}
/// Converts a UTF-16 range to a UTF-8 byte range.
crates/core/src/menu.rs
+15 -14
View File
@@ -10,7 +10,7 @@ use gpui::{
ease_out_quint, point, px, relative,
};
use gpui_native_icons::{IconRole, icon as icon_glyph};
use gpui_native_theme::ActiveTheme as _;
use gpui_native_theme::{ActiveTheme as _, POPUP_MAX_HEIGHT};
use crate::common::v_flex;
use crate::scroll_area::{ScrollArea, ScrollAxes};
@@ -35,7 +35,7 @@ pub struct MenuItem {
handler: Option<ItemHandler>,
disabled: bool,
destructive: bool,
checked: Option<bool>,
checked: bool,
}
#[derive(Clone)]
@@ -58,7 +58,7 @@ impl MenuItem {
handler: None,
disabled: false,
destructive: false,
checked: None,
checked: false,
}
}
@@ -72,7 +72,7 @@ impl MenuItem {
handler: None,
disabled: false,
destructive: false,
checked: None,
checked: false,
}
}
@@ -114,7 +114,7 @@ impl MenuItem {
/// Shows a check slot before the label.
pub fn checked(mut self, checked: bool) -> Self {
self.checked = Some(checked);
self.checked = checked;
self
}
@@ -336,11 +336,11 @@ impl RenderOnce for Menu {
let items = if self.open {
match self.items {
Some(build) => build(window, cx),
None => Vec::new(),
Some(build) => Rc::from(build(window, cx)),
None => Rc::from([]),
}
} else {
Vec::new()
Rc::from([])
};
if let Some(panel) = anchored_menu_panel(
@@ -372,7 +372,7 @@ pub(crate) fn anchored_menu_panel(
cx: &mut App,
id: &ElementId,
open: bool,
items: Vec<MenuItem>,
items: Rc<[MenuItem]>,
initial_selection: Option<usize>,
preselect: bool,
on_change: Option<ChangeHandler>,
@@ -382,7 +382,7 @@ pub(crate) fn anchored_menu_panel(
chrome: &MenuChrome,
enter_duration: std::time::Duration,
) -> Option<AnyElement> {
let was_open = window.use_keyed_state("menu-was-open", cx, |_, _| false);
let was_open = window.use_keyed_state((id.clone(), "menu-was-open"), cx, |_, _| false);
if !open {
was_open.update(cx, |was_open, _| *was_open = false);
@@ -392,8 +392,9 @@ pub(crate) fn anchored_menu_panel(
let on_change = on_change.clone();
// Keyboard focus rides the panel across frames
let focus = gpui_native_utils::focus_handle(&(id.clone(), "panel").into(), window, cx);
let scroll = window.use_keyed_state("menu-scroll", cx, |_, _| ScrollHandle::new());
let selection = window.use_keyed_state("menu-selection", cx, |_, _| None);
let scroll =
window.use_keyed_state((id.clone(), "menu-scroll"), cx, |_, _| ScrollHandle::new());
let selection = window.use_keyed_state((id.clone(), "menu-selection"), cx, |_, _| None);
let selected = if *was_open.read(cx) {
*selection.read(cx)
@@ -469,7 +470,7 @@ pub(crate) fn anchored_menu_panel(
ScrollArea::new("menu-items")
.handle(scroll.read(cx).clone())
.axes(ScrollAxes::Vertical)
.max_h(px(320.))
.max_h(POPUP_MAX_HEIGHT)
.child(v_flex().gap_0p5().children(rows)),
)
.child(
@@ -595,7 +596,7 @@ fn render_item(
.child(shortcut),
)
})
.when(checked == Some(true), |row| {
.when(checked, |row| {
row.child(
icon_glyph(IconRole::Check)
.size(chrome.dense_icon_size)
crates/core/src/scroll_area.rs
+20 -301
View File
@@ -1,17 +1,13 @@
use std::sync::Arc;
use std::time::Duration;
use std::time::Instant;
//! A scrollable container with an overlay scrollbar.
use gpui::prelude::FluentBuilder as _;
use gpui::{
App, Bounds, DispatchPhase, ElementId, Entity, EntityId, InteractiveElement as _, IntoElement,
MouseDownEvent, MouseMoveEvent, MouseUpEvent, ParentElement, Pixels, RenderOnce, ScrollEvent,
ScrollHandle, SharedString, StatefulInteractiveElement as _, Styled, Task, Window, canvas, div,
fill, point,
App, ElementId, InteractiveElement as _, IntoElement, ParentElement, RenderOnce, ScrollHandle,
SharedString, StatefulInteractiveElement as _, Styled, Window, div,
};
use gpui_native_theme::ActiveTheme as _;
use crate::common::StyledExt;
use crate::scrollbar::{Scrollbar, ScrollbarVisibility};
/// Which directions the content scrolls in.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Default)]
@@ -25,108 +21,6 @@ pub enum ScrollAxes {
Both,
}
/// When an overlay scrollbar shows.
#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
pub enum ScrollbarVisibility {
/// The running platform's behavior, from the theme.
#[default]
Platform,
Always,
Autohide,
}
/// How long an autohide thumb stays fully visible before its fade begins.
const AUTOHIDE_DELAY: Duration = Duration::from_millis(700);
/// How long the autohide fade runs.
const AUTOHIDE_FADE: Duration = Duration::from_millis(250);
/// How often the fade repaints while it runs.
const AUTOHIDE_FADE_STEP: Duration = Duration::from_millis(50);
/// The shared autohide timeline for an overlay scrollbar.
#[derive(Clone)]
pub(crate) struct Autohide {
view: EntityId,
state: Entity<AutohideState>,
}
struct AutohideState {
last_activity: Option<Instant>,
hide_task: Option<Task<()>>,
}
impl Autohide {
pub(crate) fn new(key: ElementId, window: &mut Window, cx: &mut App) -> Self {
let view = window.current_view();
let state = window.use_keyed_state(key, cx, |_, _| AutohideState {
last_activity: None,
hide_task: None,
});
Self { view, state }
}
/// Marks interaction.
pub(crate) fn touch(&self, window: &mut Window, cx: &mut App) {
let view = self.view;
let reduce_motion = cx.theme().accessibility.reduce_motion;
let task = window.spawn(cx, async move |cx| {
if reduce_motion {
cx.background_executor()
.timer(AUTOHIDE_DELAY + AUTOHIDE_FADE)
.await;
cx.update(|_, cx| cx.notify(view)).ok();
return;
}
let steps = (AUTOHIDE_FADE.as_millis() / AUTOHIDE_FADE_STEP.as_millis()).max(1);
cx.background_executor().timer(AUTOHIDE_DELAY).await;
for _ in 0..steps {
cx.update(|_, cx| cx.notify(view)).ok();
cx.background_executor().timer(AUTOHIDE_FADE_STEP).await;
}
cx.update(|_, cx| cx.notify(view)).ok();
});
self.state.update(cx, |state, _| {
state.last_activity = Some(Instant::now());
state.hide_task = Some(task);
});
}
/// The thumb's opacity.
pub(crate) fn alpha(&self, cx: &App, dragging: bool) -> f32 {
if dragging {
return 1.0;
}
let Some(activity) = self.state.read(cx).last_activity else {
return 0.0;
};
let idle = activity.elapsed();
if idle <= AUTOHIDE_DELAY {
return 1.0;
}
let fade = idle.saturating_sub(AUTOHIDE_DELAY);
if fade >= AUTOHIDE_FADE {
return 0.0;
}
1.0 - fade.as_secs_f32() / AUTOHIDE_FADE.as_secs_f32()
}
}
/// An overlay scrollbar thumb's style for one paint: `None` hides it.
pub(crate) fn thumb_style(color: gpui::Hsla, alpha: f32) -> Option<gpui::Hsla> {
(alpha > 0.0).then_some(gpui::Hsla {
a: color.a * alpha,
..color
})
}
/// A scrollable container with an overlay scrollbar.
#[derive(IntoElement)]
pub struct ScrollArea {
@@ -196,32 +90,8 @@ impl ScrollArea {
}
}
/// Names keyed state under the scrollbar's own id.
pub fn scrollbar_state_key(name: &'static str, id: &ElementId) -> ElementId {
ElementId::NamedChild(Arc::new(id.clone()), SharedString::from(name))
}
/// Pure thumb geometry for an overlay scrollbar.
pub(crate) fn thumb_geometry(
viewport: Pixels,
content: Pixels,
offset: Pixels,
track: Pixels,
min_thumb: Pixels,
) -> (Pixels, Pixels) {
if content <= viewport || content <= Pixels::ZERO {
return (track, Pixels::ZERO);
}
let length = (viewport / content * track).max(min_thumb).min(track);
let overflow = content - viewport;
let progress = (-offset / overflow).clamp(0., 1.);
let travel = track - length;
(length, travel * progress)
}
impl RenderOnce for ScrollArea {
fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
fn render(self, _window: &mut Window, _cx: &mut App) -> impl IntoElement {
let mut pane_style = self.style.clone();
pane_style.padding = Default::default();
@@ -252,175 +122,24 @@ impl RenderOnce for ScrollArea {
if let Some(handle) = self.handle {
let id = self.id.clone();
let autohide = match self.visibility {
ScrollbarVisibility::Platform => cx.theme().scrollbar.autohide,
ScrollbarVisibility::Always => false,
ScrollbarVisibility::Autohide => true,
};
wrapper.extend(std::iter::once(
canvas(|bounds, _, _| bounds, {
let handle = handle.clone();
move |overlay, _, window, cx| {
paint_scrollbar(&handle, &id, autohide, overlay, window, cx);
}
})
.absolute()
.inset_0()
.into_any_element(),
));
if self.axes != ScrollAxes::Horizontal {
wrapper.extend(std::iter::once(
Scrollbar::vertical((id.clone(), "v-scrollbar"), handle.clone())
.visibility(self.visibility)
.into_any_element(),
));
}
if self.axes != ScrollAxes::Vertical {
wrapper.extend(std::iter::once(
Scrollbar::horizontal((id, "h-scrollbar"), handle)
.visibility(self.visibility)
.into_any_element(),
));
}
}
wrapper
}
}
/// Paints the overlay scrollbar thumb.
fn paint_scrollbar(
handle: &ScrollHandle,
key: &ElementId,
autohide: bool,
overlay: Bounds<Pixels>,
window: &mut Window,
cx: &mut App,
) {
let theme = cx.theme();
let view = window.current_view();
let color = theme.colors.scrollbar_thumb;
let width = theme.scrollbar.width;
let inset = theme.scrollbar.inset;
let min_thumb = theme.scrollbar.min_thumb;
let viewport = handle.bounds();
let max_offset = handle.max_offset().y;
if max_offset <= Pixels::ZERO || viewport.size.height <= Pixels::ZERO {
return;
}
let autohide_state =
autohide.then(|| Autohide::new(scrollbar_state_key("autohide", key), window, cx));
let drag = window.use_keyed_state(scrollbar_state_key("thumb-drag", key), cx, |_, _| {
Option::<(Pixels, Pixels)>::None
});
let dragging = drag.read(cx).is_some();
let alpha = match (&autohide_state, autohide) {
(Some(state), true) => state.alpha(cx, dragging),
_ => 1.0,
};
let track = overlay.size.height - inset * 2.0;
let (thumb_length, thumb_top) = thumb_geometry(
viewport.size.height,
viewport.size.height + max_offset,
handle.offset().y,
track,
min_thumb,
);
let thumb_x = overlay.right() - width - inset;
let thumb_bounds = Bounds::from_corners(
point(thumb_x, overlay.top() + inset + thumb_top),
point(
thumb_x + width,
overlay.top() + inset + thumb_top + thumb_length,
),
);
if let Some(color) = thumb_style(color, alpha) {
window.paint_quad(fill(thumb_bounds, color).corner_radii(width / 2.0));
}
if let Some(state) = &autohide_state {
window.on_mouse_event({
let state = state.clone();
move |event: &ScrollEvent, phase, window, cx| {
if phase != DispatchPhase::Bubble || !overlay.contains(&event.position) {
return;
}
state.touch(window, cx);
}
});
}
window.on_mouse_event({
let handle = handle.clone();
let drag = drag.clone();
let autohide_state = autohide_state.clone();
move |event: &MouseDownEvent, phase, window, cx| {
if phase != DispatchPhase::Bubble
|| event.button != gpui::MouseButton::Left
|| !thumb_bounds.contains(&event.position)
{
return;
}
drag.update(cx, |drag, _| {
*drag = Some((event.position.y, handle.offset().y));
});
if let Some(state) = &autohide_state {
state.touch(window, cx);
}
cx.stop_propagation();
}
});
window.on_mouse_event({
let drag = drag.clone();
let autohide_state = autohide_state.clone();
move |event: &MouseUpEvent, phase, window, cx| {
if phase != DispatchPhase::Bubble || event.button != gpui::MouseButton::Left {
return;
}
if drag.read(cx).is_none() {
return;
}
drag.update(cx, |drag, _| {
*drag = None;
});
if let Some(state) = &autohide_state {
state.touch(window, cx);
}
}
});
window.on_mouse_event({
let handle = handle.clone();
let drag = drag.clone();
let autohide_state = autohide_state.clone();
move |event: &MouseMoveEvent, phase, window, cx| {
if phase != DispatchPhase::Bubble {
return;
}
if let Some(state) = &autohide_state
&& drag.read(cx).is_some()
{
state.touch(window, cx);
}
if event.pressed_button != Some(gpui::MouseButton::Left) {
return;
}
let Some((start_y, start_offset)) = *drag.read(cx) else {
return;
};
if max_offset > Pixels::ZERO && track > thumb_length {
let scale = max_offset / (track - thumb_length);
let offset = (start_offset - (event.position.y - start_y) * scale)
.clamp(-max_offset, Pixels::ZERO);
handle.set_offset(point(handle.offset().x, offset));
cx.notify(view);
}
}
});
}
crates/core/src/scrollbar.rs
+143 -28
View File
@@ -1,18 +1,141 @@
//! Overlay scrollbars for scroll surfaces.
use std::rc::Rc;
use std::sync::Arc;
use std::time::{Duration, Instant};
use gpui::{
App, Bounds, DispatchPhase, ElementId, IntoElement, ListState, MouseButton, MouseDownEvent,
MouseMoveEvent, MouseUpEvent, Pixels, Point, RenderOnce, ScrollEvent, ScrollHandle,
Styled as _, UniformListScrollHandle, Window, canvas, fill, point,
App, Bounds, DispatchPhase, ElementId, Entity, EntityId, IntoElement, ListState, MouseButton,
MouseDownEvent, MouseMoveEvent, MouseUpEvent, Pixels, Point, RenderOnce, ScrollEvent,
ScrollHandle, SharedString, Styled as _, Task, UniformListScrollHandle, Window, canvas, fill,
point,
};
use gpui_native_theme::ActiveTheme as _;
use crate::scroll_area::{Autohide, scrollbar_state_key, thumb_geometry, thumb_style};
/// When an overlay scrollbar shows.
#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
pub enum ScrollbarVisibility {
/// The running platform's behavior, from the theme.
#[default]
Platform,
Always,
Autohide,
}
/// Re-exported so callers only need the scrollbar module.
pub use crate::scroll_area::ScrollbarVisibility;
/// How long an autohide thumb stays fully visible before its fade begins.
const AUTOHIDE_DELAY: Duration = Duration::from_millis(700);
/// How long the autohide fade runs.
const AUTOHIDE_FADE: Duration = Duration::from_millis(250);
/// How often the fade repaints while it runs.
const AUTOHIDE_FADE_STEP: Duration = Duration::from_millis(50);
/// The shared autohide timeline for an overlay scrollbar.
#[derive(Clone)]
struct Autohide {
view: EntityId,
state: Entity<AutohideState>,
}
struct AutohideState {
last_activity: Option<Instant>,
hide_task: Option<Task<()>>,
}
impl Autohide {
fn new(key: ElementId, window: &mut Window, cx: &mut App) -> Self {
let view = window.current_view();
let state = window.use_keyed_state(key, cx, |_, _| AutohideState {
last_activity: None,
hide_task: None,
});
Self { view, state }
}
/// Marks interaction.
fn touch(&self, window: &mut Window, cx: &mut App) {
let view = self.view;
let reduce_motion = cx.theme().accessibility.reduce_motion;
let task = window.spawn(cx, async move |cx| {
if reduce_motion {
cx.background_executor()
.timer(AUTOHIDE_DELAY + AUTOHIDE_FADE)
.await;
cx.update(|_, cx| cx.notify(view)).ok();
return;
}
let steps = (AUTOHIDE_FADE.as_millis() / AUTOHIDE_FADE_STEP.as_millis()).max(1);
cx.background_executor().timer(AUTOHIDE_DELAY).await;
for _ in 0..steps {
cx.update(|_, cx| cx.notify(view)).ok();
cx.background_executor().timer(AUTOHIDE_FADE_STEP).await;
}
cx.update(|_, cx| cx.notify(view)).ok();
});
self.state.update(cx, |state, _| {
state.last_activity = Some(Instant::now());
state.hide_task = Some(task);
});
}
/// The thumb's opacity.
fn alpha(&self, cx: &App, dragging: bool) -> f32 {
if dragging {
return 1.0;
}
let Some(activity) = self.state.read(cx).last_activity else {
return 0.0;
};
let idle = activity.elapsed();
if idle <= AUTOHIDE_DELAY {
return 1.0;
}
let fade = idle.saturating_sub(AUTOHIDE_DELAY);
if fade >= AUTOHIDE_FADE {
return 0.0;
}
1.0 - fade.as_secs_f32() / AUTOHIDE_FADE.as_secs_f32()
}
}
fn scrollbar_state_key(name: &'static str, id: &ElementId) -> ElementId {
ElementId::NamedChild(Arc::new(id.clone()), SharedString::from(name))
}
/// Pure thumb geometry for an overlay scrollbar.
fn thumb_geometry(
viewport: Pixels,
content: Pixels,
offset: Pixels,
track: Pixels,
min_thumb: Pixels,
) -> (Pixels, Pixels) {
if content <= viewport || content <= Pixels::ZERO {
return (track, Pixels::ZERO);
}
let length = (viewport / content * track).max(min_thumb).min(track);
let overflow = content - viewport;
let progress = (-offset / overflow).clamp(0., 1.);
let travel = track - length;
(length, travel * progress)
}
/// An overlay scrollbar thumb's style for one paint: `None` hides it.
fn thumb_style(color: gpui::Hsla, alpha: f32) -> Option<gpui::Hsla> {
(alpha > 0.0).then_some(gpui::Hsla {
a: color.a * alpha,
..color
})
}
/// The scroll state a scrollbar drives, implemented for gpui's scroll handles.
pub trait ScrollbarHandle: 'static {
@@ -128,33 +251,35 @@ pub struct Scrollbar {
axis: Axis,
handle: Rc<dyn ScrollbarHandle>,
visibility: ScrollbarVisibility,
key: ElementId,
id: ElementId,
}
impl Scrollbar {
/// A vertical scrollbar driven by `handle`.
pub fn vertical<H>(handle: H) -> Self
/// A vertical scrollbar named by `id`, driven by `handle`.
pub fn vertical<I, H>(id: I, handle: H) -> Self
where
I: Into<ElementId>,
H: ScrollbarHandle,
{
Self {
axis: Axis::Vertical,
handle: Rc::new(handle),
visibility: ScrollbarVisibility::default(),
key: ElementId::Name("scrollbar".into()),
id: id.into(),
}
}
/// A horizontal scrollbar driven by `handle`.
pub fn horizontal<H>(handle: H) -> Self
/// A horizontal scrollbar named by `id`, driven by `handle`.
pub fn horizontal<I, H>(id: I, handle: H) -> Self
where
I: Into<ElementId>,
H: ScrollbarHandle,
{
Self {
axis: Axis::Horizontal,
handle: Rc::new(handle),
visibility: ScrollbarVisibility::default(),
key: ElementId::Name("scrollbar".into()),
id: id.into(),
}
}
@@ -163,12 +288,6 @@ impl Scrollbar {
self.visibility = visibility;
self
}
/// Names this scrollbar's state.
pub fn key(mut self, key: impl Into<ElementId>) -> Self {
self.key = key.into();
self
}
}
impl RenderOnce for Scrollbar {
@@ -177,8 +296,8 @@ impl RenderOnce for Scrollbar {
let handle = self.handle;
let axis = self.axis;
let visibility = self.visibility;
let key = self.key;
move |_, _, window, cx| paint_scrollbar(&handle, axis, visibility, &key, window, cx)
let id = self.id;
move |_, _, window, cx| paint_scrollbar(&handle, axis, visibility, &id, window, cx)
})
.absolute()
.inset_0()
@@ -192,7 +311,7 @@ fn paint_scrollbar(
handle: &Rc<dyn ScrollbarHandle>,
axis: Axis,
visibility: ScrollbarVisibility,
key: &ElementId,
id: &ElementId,
window: &mut Window,
cx: &mut App,
) {
@@ -217,12 +336,10 @@ fn paint_scrollbar(
ScrollbarVisibility::Always => false,
ScrollbarVisibility::Autohide => true,
};
let autohide_state =
autohide.then(|| Autohide::new(scrollbar_state_key("autohide", key), window, cx));
autohide.then(|| Autohide::new(scrollbar_state_key("autohide", id), window, cx));
let track_length = viewport_along - inset * 2.0;
let (thumb_length, thumb_travel) = thumb_geometry(
viewport_along,
viewport_along + max_offset,
@@ -267,9 +384,7 @@ fn paint_scrollbar(
}
};
let drag = window.use_keyed_state(scrollbar_state_key("thumb-drag", key), cx, |_, _| {
Drag::None
});
let drag = window.use_keyed_state(scrollbar_state_key("thumb-drag", id), cx, |_, _| Drag::None);
let dragging = drag.read(cx).is_some();
let alpha = match &autohide_state {
crates/core/src/segmented.rs
+26 -20
View File
@@ -9,7 +9,7 @@ use gpui::{
};
use gpui_native_icons::{IconRole, icon};
use gpui_native_theme::{ActiveTheme as _, Size};
use gpui_native_utils::{adjacent_selectable, focus_handle, focus_ring};
use gpui_native_utils::{focus_handle, focus_ring};
use crate::common::{Sizable, StyledExt, h_flex};
@@ -64,7 +64,8 @@ where
T: Clone + PartialEq + 'static,
{
id: ElementId,
options: Vec<SegmentedOption<T>>,
/// Shared with the per-segment and key handlers, so captures are bumps.
options: Rc<[SegmentedOption<T>]>,
selected: T,
a11y_label: Option<SharedString>,
size: Size,
@@ -82,7 +83,7 @@ where
{
Self {
id: id.into(),
options: Vec::new(),
options: Rc::from([]),
selected,
a11y_label: None,
size: Size::Small,
@@ -163,12 +164,12 @@ where
.options
.iter()
.position(|segment| segment.value == self.selected);
let option_count = self.options.len();
let selectable: Vec<usize> = (0..self.options.len()).collect();
let on_change = self.on_change.clone();
let key_on_change = on_change.clone();
let key_options = self.options.clone();
let key_selectable = selectable.clone();
let options = self.options.clone();
let label = self
.a11y_label
@@ -176,14 +177,13 @@ where
.unwrap_or_else(|| SharedString::from(self.id.to_string()));
window.with_element_namespace(self.id.clone(), |window| {
let focus = focus_handle(&self.id, window, cx);
let geometry: Entity<Vec<Option<Bounds<gpui::Pixels>>>> =
window.use_keyed_state("segmented-geometry", cx, |_, _| Vec::new());
let track_origin: Entity<Option<Point<gpui::Pixels>>> =
window.use_keyed_state("segmented-track-origin", cx, |_, _| None);
let focus = focus_handle(&self.id, window, cx);
let anim_config = SpringConfig::new(500., 35., 1.);
let track_point = *track_origin.read(cx);
@@ -197,12 +197,13 @@ where
let segments = self
.options
.into_iter()
.iter()
.enumerate()
.map(move |(index, segment)| {
let is_selected = Some(index) == selected_index;
let on_change = on_change.clone();
let value = segment.value;
let options = options.clone();
let content_color = if is_selected {
foreground
} else {
@@ -228,7 +229,7 @@ where
.when_some(segment.icon, |segment, role| {
segment.child(icon(role).size(icon_size).color(content_color))
})
.child(segment.label)
.child(segment.label.clone())
.child(
canvas(
{
@@ -251,8 +252,9 @@ where
move |_, window, cx| {
if Some(index) != selected_index
&& let Some(on_change) = &on_change
&& let Some(option) = options.get(index)
{
on_change(value.clone(), window, cx);
on_change(option.value.clone(), window, cx);
}
}
})
@@ -319,22 +321,26 @@ where
.on_key_down({
move |event: &KeyDownEvent, window, cx| {
let target = match event.keystroke.key.as_str() {
"right" => {
adjacent_selectable(&key_selectable, selected_index, true)
}
"left" => {
adjacent_selectable(&key_selectable, selected_index, false)
}
"home" => key_selectable.first().copied(),
"end" => key_selectable.last().copied(),
"right" => match selected_index {
Some(index) => {
index.checked_add(1).filter(|next| *next < option_count)
}
None => (option_count > 0).then_some(0),
},
"left" => selected_index.and_then(|index| index.checked_sub(1)),
"home" => (option_count > 0).then_some(0),
"end" => option_count.checked_sub(1),
_ => return,
};
if let Some(next) = target
&& Some(next) != selected_index
&& let Some(on_change) = &key_on_change
&& let Some(option) = key_options.get(next)
{
on_change(key_options[next].value.clone(), window, cx);
on_change(option.value.clone(), window, cx);
}
cx.stop_propagation();
}
})
crates/core/src/select.rs
+9 -15
View File
@@ -206,24 +206,18 @@ where
.position(|option| &option.value == value)
});
let trigger_options = self.options.clone();
let trigger_selected = self.selected.clone();
let trigger_placeholder = self.placeholder.clone();
// The trigger's text is fixed at render time; only it moves into the closure.
let trigger_text = selected_index
.and_then(|index| self.options.get(index))
.map(|option| option.label.clone())
.unwrap_or_else(|| self.placeholder.clone());
let trigger_has_value = self.selected.is_some();
let trigger_id = self.id.clone();
let trigger_label = label.clone();
let trigger_style = self.style;
let trigger = move |_window: &mut Window, _cx: &mut App| {
let text = trigger_selected
.as_ref()
.and_then(|value| {
trigger_options
.iter()
.find(|option| &option.value == value)
.map(|option| option.label.clone())
})
.unwrap_or_else(|| trigger_placeholder.clone());
h_flex()
.id((trigger_id.clone(), "select-trigger"))
.debug_selector(|| "select-trigger".to_string())
@@ -240,7 +234,7 @@ where
.border_color(rest_border)
.bg(input)
.text_size(metrics.text_size)
.text_color(if trigger_selected.is_some() {
.text_color(if trigger_has_value {
foreground
} else {
muted_foreground
@@ -249,7 +243,7 @@ where
trigger.shadow(focus_ring(ring))
})
.hover(|style| style.bg(muted).border_color(hover_border))
.child(text)
.child(trigger_text.clone())
.child(
icon(IconRole::ChevronDown)
.size(icon_size)
crates/core/src/separator.rs
+4 -4
View File
@@ -3,8 +3,8 @@
use std::rc::Rc;
use gpui::prelude::FluentBuilder as _;
use gpui::{App, InteractiveElement as _, IntoElement, RenderOnce, Styled as _, Window, div, px};
use gpui_native_theme::ActiveTheme as _;
use gpui::{App, InteractiveElement as _, IntoElement, RenderOnce, Styled as _, Window, div};
use gpui_native_theme::{ActiveTheme as _, BORDER_WIDTH};
/// Which axis the rule runs along.
#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
@@ -69,8 +69,8 @@ impl RenderOnce for Separator {
rule.debug_selector(move || selector())
})
.map(|rule| match self.orientation {
SeparatorOrientation::Horizontal => rule.w_full().h(px(1.)),
SeparatorOrientation::Vertical => rule.self_stretch().w(px(1.)),
SeparatorOrientation::Horizontal => rule.w_full().h(BORDER_WIDTH),
SeparatorOrientation::Vertical => rule.self_stretch().w(BORDER_WIDTH),
})
}
}
crates/core/src/slider.rs
+3 -13
View File
@@ -79,12 +79,6 @@ impl Slider {
self
}
/// Sets the current value; the slider never owns it.
pub fn value(mut self, value: f32) -> Self {
self.value = value;
self
}
/// Renders the slider inert, unfocusable, and dimmed; disabled always wins.
pub fn disabled(mut self, disabled: bool) -> Self {
self.disabled = disabled;
@@ -135,16 +129,12 @@ impl RenderOnce for Slider {
0.0
};
// The track bounds, recorded by the overlay canvas each frame,
// turn pointer positions into values inside the listeners.
let bounds_cell = Rc::new(Cell::new(None::<Bounds<Pixels>>));
// Dragging crosses frames, so it lives in keyed element state,
// a per-render flag would reset when the owner's update repaints.
let dragging = window.use_keyed_state("slider-dragging", cx, |_, _| false);
// A held handle gives the arrow-key listener something to check focus against,
// and the click-to-focus behavior a target.
let focus_handle = gpui_native_utils::focus_handle(&self.id, window, cx);
let dragging =
window.use_keyed_state((self.id.clone(), "slider-dragging"), cx, |_, _| false);
let set_value: ValueSetter = {
let bounds_cell = bounds_cell.clone();
let on_change = self.on_change.clone();
crates/core/src/switch.rs
+1 -4
View File
@@ -133,10 +133,7 @@ impl RenderOnce for Switch {
div()
.flex_none()
.relative()
.debug_selector({
let name = format!("{id}-track");
move || name
})
.debug_selector(move || format!("{id}-track"))
.w(track_width)
.h(track_height)
.rounded(theme.radius.full)
crates/core/src/tooltip.rs
+13 -11
View File
@@ -1,9 +1,9 @@
use gpui::AppContext as _;
use gpui::{
AnyView, App, Bounds, Context, ElementId, Entity, InteractiveElement as _, IntoElement,
ParentElement as _, Pixels, Render, SharedString, Styled as _, Window, canvas, div, point, px,
ParentElement as _, Pixels, Render, SharedString, Styled as _, Window, canvas, div, point,
};
use gpui_native_theme::{ActiveTheme as _, BORDER_WIDTH};
use gpui_native_theme::{ActiveTheme as _, BORDER_WIDTH, TOOLTIP_MAX_WIDTH, TOOLTIP_OFFSET};
use gpui_native_utils::{anchor_bounds, record_anchor_bounds};
const PANEL_BOUNDS_ID: &str = "tooltip-panel-bounds";
@@ -34,8 +34,8 @@ impl Tooltip {
{
let text = text.into();
let anchor_id = anchor_id.into();
move |_window, cx| {
let anchor = anchor_bounds(&anchor_id, cx);
move |window, cx| {
let anchor = anchor_bounds(window.window_handle().window_id(), &anchor_id, cx);
cx.new(|_| Self {
text: text.clone(),
anchor,
@@ -76,7 +76,7 @@ impl Render for Tooltip {
.debug_selector(|| "tooltip-panel".to_string())
.px_2()
.py_1()
.max_w(px(360.))
.max_w(TOOLTIP_MAX_WIDTH)
.bg(surface)
.border_1()
.border_color(border)
@@ -89,14 +89,16 @@ impl Render for Tooltip {
let (wrapper, panel) = match self.anchor {
Some(parent) => {
let origin = window.mouse_position() + point(px(1.), px(1.));
let origin = window.mouse_position() + point(TOOLTIP_OFFSET, TOOLTIP_OFFSET);
let viewport_height = window.viewport_size().height;
let height = anchor_bounds(&ElementId::from(PANEL_BOUNDS_ID), cx)
.map(|bounds| bounds.size.height)
.unwrap_or_else(|| {
text_size * 1.5 + window.rem_size() * 0.5 + BORDER_WIDTH * 2.0
});
let height = anchor_bounds(
window.window_handle().window_id(),
&ElementId::from(PANEL_BOUNDS_ID),
cx,
)
.map(|bounds| bounds.size.height)
.unwrap_or_else(|| text_size * 1.5 + window.rem_size() * 0.5 + BORDER_WIDTH * 2.0);
let below = viewport_height - spacing_unit - parent.bottom();
let above = parent.top() - spacing_unit;
crates/core/tests/dropdown_menu.rs
+133
View File
@@ -322,3 +322,136 @@ fn disabled_trigger_ignores_clicks() {
assert!(changes.borrow().is_empty());
assert!(visual.debug_bounds("menu-panel").is_none());
}
struct PairHarness {
open_a: bool,
open_b: bool,
changes_a: Changes,
changes_b: Changes,
activated_a: Activated,
activated_b: Activated,
}
impl Render for PairHarness {
fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
let (changes_a, changes_b) = (self.changes_a.clone(), self.changes_b.clone());
let (activated_a, activated_b) = (self.activated_a.clone(), self.activated_b.clone());
let menu_a = DropdownMenu::new("pair-a")
.label("Alpha")
.variant(ButtonVariant::Secondary)
.open(self.open_a)
.on_open_change({
let view = cx.entity();
let changes = changes_a.clone();
move |next, _, cx| {
changes.borrow_mut().push(next);
view.update(cx, |harness, cx| {
harness.open_a = next;
cx.notify();
});
}
})
.items(move |_, _| {
vec![
MenuItem::new("png").handler({
let activated = activated_a.clone();
move |_, _| activated.borrow_mut().push("png")
}),
MenuItem::new("pdf").handler({
let activated = activated_a.clone();
move |_, _| activated.borrow_mut().push("pdf")
}),
]
});
let menu_b = DropdownMenu::new("pair-b")
.label("Beta")
.variant(ButtonVariant::Secondary)
.open(self.open_b)
.on_open_change({
let view = cx.entity();
let changes = changes_b.clone();
move |next, _, cx| {
changes.borrow_mut().push(next);
view.update(cx, |harness, cx| {
harness.open_b = next;
cx.notify();
});
}
})
.items(move |_, _| {
vec![
MenuItem::new("zip").handler({
let activated = activated_b.clone();
move |_, _| activated.borrow_mut().push("zip")
}),
MenuItem::new("7z").handler({
let activated = activated_b.clone();
move |_, _| activated.borrow_mut().push("7z")
}),
]
});
div().size_full().flex().gap_2().child(menu_a).child(menu_b)
}
}
fn pair_window() -> (
VisualTestContext,
AnyWindowHandle,
Changes,
Changes,
Activated,
Activated,
) {
let mut cx = TestAppContext::single();
cx.update(Theme::init);
let changes_a = Rc::new(RefCell::new(Vec::new()));
let changes_b = Rc::new(RefCell::new(Vec::new()));
let activated_a = Rc::new(RefCell::new(Vec::new()));
let activated_b = Rc::new(RefCell::new(Vec::new()));
let (changes_a_for_window, changes_b_for_window) = (changes_a.clone(), changes_b.clone());
let (activated_a_for_window, activated_b_for_window) =
(activated_a.clone(), activated_b.clone());
let window = cx.add_window(move |_, _| PairHarness {
open_a: false,
open_b: false,
changes_a: changes_a_for_window,
changes_b: changes_b_for_window,
activated_a: activated_a_for_window,
activated_b: activated_b_for_window,
});
let window = window.into();
cx.update_window(window, |_, window, cx| {
window.draw(cx).clear(cx);
})
.unwrap();
(
VisualTestContext::from_window(window, &cx),
window,
changes_a,
changes_b,
activated_a,
activated_b,
)
}
/// With a closed sibling dropdown on screen, a pointer-opened menu must still
/// arm rows with the keyboard: the menu's open/selection state is per
/// instance, not shared keyed state.
#[test]
fn sibling_dropdowns_keep_independent_menu_state() {
let (mut visual, window, changes_a, changes_b, activated_a, activated_b) = pair_window();
// Menu A sits at the window's top-left; menu B stays closed beside it.
click(&mut visual, point(px(30.), px(14.)));
assert_eq!(*changes_a.borrow(), vec![true]);
draw(&mut visual, window);
visual.simulate_keystrokes("down enter");
assert_eq!(*activated_a.borrow(), vec!["png"]);
assert_eq!(*changes_a.borrow(), vec![true, false]);
assert!(changes_b.borrow().is_empty(), "B must stay closed");
assert!(activated_b.borrow().is_empty());
}
crates/core/tests/field_bench.rs
+37 -8
View File
@@ -1,3 +1,5 @@
use std::{cell::Cell, rc::Rc, time::Duration};
use gpui::{
AppContext as _, Context, Entity, IntoElement, ParentElement as _, Render, SharedString,
Styled as _, TestAppContext, VisualTestContext, Window, div,
@@ -9,10 +11,12 @@ use gpui_native_core::input::{Input, InputState};
struct FieldHost {
url: Entity<InputState>,
renders: Rc<Cell<usize>>,
}
impl Render for FieldHost {
fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
self.renders.set(self.renders.get() + 1);
let url_error = self
.url
.read(cx)
@@ -34,15 +38,27 @@ impl Render for FieldHost {
/// A field page in a real window; the url input is focused unless
/// `focus` is false, which leaves the page truly idle.
fn field_host(focus: bool) -> (TestAppContext, Entity<InputState>, VisualTestContext) {
fn field_host(
focus: bool,
) -> (
TestAppContext,
Entity<InputState>,
VisualTestContext,
Rc<Cell<usize>>,
) {
let cx = TestAppContext::single();
cx.update(init);
let renders = Rc::new(Cell::new(0));
let renders_for_host = renders.clone();
let (url, window) = cx.update(|cx| {
let url = InputState::new(cx);
let url_for_host = url.clone();
let window = cx
.open_window(gpui::WindowOptions::default(), |_, cx| {
cx.new(|_| FieldHost { url: url_for_host })
cx.new(|_| FieldHost {
url: url_for_host,
renders: renders_for_host.clone(),
})
})
.unwrap();
(url, window)
@@ -55,12 +71,12 @@ fn field_host(focus: bool) -> (TestAppContext, Entity<InputState>, VisualTestCon
}
window.draw(cx).clear(cx);
});
(cx, url, visual)
(cx, url, visual, renders)
}
#[test]
fn an_idle_field_page_schedules_no_frames() {
let (_cx, _url, mut visual) = field_host(false);
let (_cx, _url, mut visual, _renders) = field_host(false);
let frames = visual.update(|window, cx| window.simulate_next_frame(cx));
assert_eq!(
frames, 0,
@@ -68,12 +84,25 @@ fn an_idle_field_page_schedules_no_frames() {
);
}
/// The caret blink is fps-capped: it must never demand a next frame, and its
/// redraws arrive on the executor timer at the blink cadence.
#[test]
fn a_focused_field_page_schedules_frames_for_its_blink() {
let (_cx, _url, mut visual) = field_host(true);
fn a_focused_field_blink_is_fps_capped_and_still_redraws() {
let (cx, _url, mut visual, renders) = field_host(true);
let renders_after_focus = renders.get();
let frames = visual.update(|window, cx| window.simulate_next_frame(cx));
assert_eq!(
frames, 0,
"the blink must be fps-capped, not per-frame scheduled"
);
// The blink redraws through the executor timer (4 fps cap).
cx.executor().advance_clock(Duration::from_millis(251));
cx.run_until_parked();
visual.update(|window, cx| window.draw(cx).clear(cx));
assert!(
frames > 0,
"the focused caret's blink needs frames to redraw at the blink cadence"
renders.get() > renders_after_focus,
"the capped blink must still redraw its page"
);
}
crates/core/tests/scrollbar.rs
+98 -2
View File
@@ -38,7 +38,7 @@ impl Render for UniformShell {
.h_full()
.w_full(),
)
.child(Scrollbar::vertical(self.handle.clone())),
.child(Scrollbar::vertical("rows", self.handle.clone())),
)
}
}
@@ -64,7 +64,7 @@ impl Render for ListShell {
.h_full()
.w_full(),
)
.child(Scrollbar::vertical(self.state.clone())),
.child(Scrollbar::vertical("rows", self.state.clone())),
)
}
}
@@ -271,3 +271,99 @@ fn dragging_the_thumb_drives_a_list_state_and_reports_the_drag() {
"the drag ends with the mouse"
);
}
struct TwoShell {
left: UniformListScrollHandle,
right: UniformListScrollHandle,
}
impl Render for TwoShell {
fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
div()
.size_full()
.flex()
.flex_row()
.child(
div()
.relative()
.h(px(VIEWPORT_HEIGHT))
.w(px(300.))
.child(
uniform_list("left-rows", ROWS, |range, _, _| {
range
.map(|ix| div().h(px(ROW_HEIGHT)).child(format!("row {ix}")))
.collect()
})
.track_scroll(&self.left)
.h_full()
.w_full(),
)
.child(Scrollbar::vertical("left", self.left.clone())),
)
.child(
div()
.relative()
.h(px(VIEWPORT_HEIGHT))
.w(px(300.))
.child(
uniform_list("right-rows", ROWS, |range, _, _| {
range
.map(|ix| div().h(px(ROW_HEIGHT)).child(format!("row {ix}")))
.collect()
})
.track_scroll(&self.right)
.h_full()
.w_full(),
)
.child(Scrollbar::vertical("right", self.right.clone())),
)
}
}
fn two_shell() -> (
TestAppContext,
VisualTestContext,
UniformListScrollHandle,
UniformListScrollHandle,
) {
let mut cx = TestAppContext::single();
cx.update(init);
let (left, right) = (
UniformListScrollHandle::new(),
UniformListScrollHandle::new(),
);
let (left_for_view, right_for_view) = (left.clone(), right.clone());
let window = cx.add_window(move |_, _| TwoShell {
left: left_for_view,
right: right_for_view,
});
let mut visual = VisualTestContext::from_window(window.into(), &cx);
visual.update(|window, cx| {
window.draw(cx).clear(cx);
});
(cx, visual, left, right)
}
/// Dragging one scrollbar's thumb must never move a sibling scrollbar: the
/// drag state is keyed per scrollbar id, not shared across instances.
#[test]
fn sibling_scrollbars_drag_independently() {
let (cx, mut visual, left, right) = two_shell();
let metrics = Metrics::measure(&cx, &left);
assert!(metrics.max_offset > px(0.));
press(&mut visual, metrics.thumb_center());
drag_to(&mut visual, metrics.full_drag_target());
release(&mut visual, metrics.full_drag_target());
let offset = left.offset().y;
assert!(
(offset.abs() - metrics.max_offset).abs() < px(0.5),
"the left drag reaches the end, got {offset}"
);
assert_eq!(
right.offset().y,
px(0.),
"the left drag leaked into the right scrollbar"
);
}
crates/core/tests/slider.rs
+129
View File
@@ -153,3 +153,132 @@ fn arrow_keys_step_the_value_while_focused() {
assert_eq!(*changes.borrow(), vec![0.0, 10.0, 20.0, 10.0]);
}
struct TwoSliders {
changes_a: Rc<RefCell<Vec<f32>>>,
changes_b: Rc<RefCell<Vec<f32>>>,
value_a: f32,
value_b: f32,
}
impl Render for TwoSliders {
fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
let (changes_a, changes_b) = (self.changes_a.clone(), self.changes_b.clone());
div()
.size_full()
.child(
div().absolute().top_0().left_0().w(px(200.)).child(
Slider::new("slider-a", self.value_a)
.min(0.0)
.max(100.0)
.step(10.0)
.on_change({
let view = cx.entity();
let changes_a = changes_a.clone();
move |next, _, cx| {
changes_a.borrow_mut().push(next);
view.update(cx, |harness, cx| {
harness.value_a = next;
cx.notify();
});
}
}),
),
)
.child(
div().absolute().top(px(40.)).left_0().w(px(200.)).child(
Slider::new("slider-b", self.value_b)
.min(0.0)
.max(100.0)
.step(10.0)
.on_change({
let view = cx.entity();
move |next, _, cx| {
changes_b.borrow_mut().push(next);
view.update(cx, |harness, cx| {
harness.value_b = next;
cx.notify();
});
}
}),
),
)
}
}
#[allow(clippy::type_complexity)]
fn two_slider_window() -> (
VisualTestContext,
Rc<RefCell<Vec<f32>>>,
Rc<RefCell<Vec<f32>>>,
) {
let mut cx = TestAppContext::single();
cx.update(Theme::init);
let changes_a = Rc::new(RefCell::new(Vec::new()));
let changes_b = Rc::new(RefCell::new(Vec::new()));
let (changes_a_for_window, changes_b_for_window) = (changes_a.clone(), changes_b.clone());
let window = cx.add_window(move |_, _| TwoSliders {
changes_a: changes_a_for_window,
changes_b: changes_b_for_window,
value_a: 0.0,
value_b: 0.0,
});
let window = window.into();
cx.update_window(window, |_, window, cx| {
window.draw(cx).clear(cx);
})
.unwrap();
(
VisualTestContext::from_window(window, &cx),
changes_a,
changes_b,
)
}
/// Dragging one slider must never drive a sibling slider: the drag flag is
/// per instance, not shared keyed state.
#[test]
fn two_sliders_drag_independently() {
let (mut cx, changes_a, changes_b) = two_slider_window();
// Slider A occupies y 0..16, slider B starts at y 40.
cx.simulate_mouse_down(
point(px(100.), px(10.)),
MouseButton::Left,
Modifiers::default(),
);
cx.simulate_mouse_move(
point(px(120.), px(10.)),
MouseButton::Left,
Modifiers::default(),
);
cx.simulate_mouse_up(
point(px(120.), px(10.)),
MouseButton::Left,
Modifiers::default(),
);
assert_eq!(*changes_a.borrow(), vec![50.0, 60.0]);
assert!(changes_b.borrow().is_empty(), "A's drag leaked into B");
cx.simulate_mouse_down(
point(px(100.), px(50.)),
MouseButton::Left,
Modifiers::default(),
);
cx.simulate_mouse_move(
point(px(40.), px(50.)),
MouseButton::Left,
Modifiers::default(),
);
cx.simulate_mouse_up(
point(px(40.), px(50.)),
MouseButton::Left,
Modifiers::default(),
);
assert_eq!(*changes_b.borrow(), vec![50.0, 20.0]);
assert_eq!(
*changes_a.borrow(),
vec![50.0, 60.0],
"B's drag leaked into A"
);
}