120 lines
4.1 KiB
Rust
120 lines
4.1 KiB
Rust
use std::{cell::RefCell, rc::Rc};
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use gpui::{
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Context, IntoElement, Modifiers, MouseButton, ParentElement as _, Render, Styled as _,
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TestAppContext, VisualTestContext, Window, div, point, px,
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};
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use gpui_native_data::sidebar::{Sidebar, SidebarEntry};
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use gpui_native_theme::Theme;
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type Changes = Rc<RefCell<Vec<Option<usize>>>>;
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struct Harness {
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selected: Option<usize>,
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changes: Changes,
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}
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impl Render for Harness {
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fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
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let changes = self.changes.clone();
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let view = cx.entity();
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div().size_full().child(
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Sidebar::new("test-sidebar")
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.selected(self.selected)
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.on_change(move |next, _, cx| {
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changes.borrow_mut().push(next);
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view.update(cx, |harness, cx| {
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harness.selected = next;
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cx.notify();
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});
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})
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.entries(|_, _| {
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vec![
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SidebarEntry::header("Favorites"), // 0: never selectable
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SidebarEntry::row("Documents"), // 1
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SidebarEntry::row("Locked").disabled(true), // 2
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SidebarEntry::header("Locations"), // 3: never selectable
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SidebarEntry::row("Trash"), // 4
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]
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}),
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)
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}
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}
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/// Entries stack from the top-left: the header band (~32 px) then ~34 px row
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/// bands, so clicks at `(50, 16)` hit the header, `(50, 48)` Documents,
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/// `(50, 82)` Locked, `(50, 116)` the second header, `(50, 150)` Trash.
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fn sidebar_window() -> (TestAppContext, VisualTestContext, Changes) {
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let mut cx = TestAppContext::single();
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cx.update(Theme::init);
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let changes = Rc::new(RefCell::new(Vec::new()));
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let harness_changes = changes.clone();
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let window = cx.add_window(move |_, _| Harness {
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selected: None,
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changes: harness_changes,
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});
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let mut visual = VisualTestContext::from_window(window.into(), &cx);
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visual.update(|window, cx| {
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window.draw(cx).clear(cx);
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});
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(cx, visual, changes)
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}
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fn draw(visual: &mut VisualTestContext) {
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visual.update(|window, cx| {
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window.draw(cx).clear(cx);
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});
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}
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fn click(visual: &mut VisualTestContext, position: gpui::Point<gpui::Pixels>) {
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visual.simulate_mouse_down(position, MouseButton::Left, Modifiers::default());
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visual.simulate_mouse_up(position, MouseButton::Left, Modifiers::default());
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}
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#[test]
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fn clicking_a_row_selects_it_and_hands_the_sidebar_the_keyboard() {
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let (_cx, mut visual, changes) = sidebar_window();
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// The header band is not a row: clicking it reports nothing.
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click(&mut visual, point(px(50.), px(16.)));
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draw(&mut visual);
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assert!(changes.borrow().is_empty());
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click(&mut visual, point(px(50.), px(48.)));
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assert_eq!(*changes.borrow(), vec![Some(1)]);
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// The click focused the sidebar; the arrows move from here.
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visual.simulate_keystrokes("down");
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draw(&mut visual);
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assert_eq!(*changes.borrow(), vec![Some(1), Some(4)]);
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}
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#[test]
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fn clicking_a_disabled_row_reports_nothing() {
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let (_cx, mut visual, changes) = sidebar_window();
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click(&mut visual, point(px(50.), px(82.)));
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draw(&mut visual);
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assert!(changes.borrow().is_empty());
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}
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#[test]
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fn keyboard_navigation_skips_headers_disabled_rows_and_never_wraps() {
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let (_cx, mut visual, changes) = sidebar_window();
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click(&mut visual, point(px(50.), px(48.))); // Documents, focuses
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visual.simulate_keystrokes("down"); // over Locked → Trash
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visual.simulate_keystrokes("down"); // over the second header; no wrap
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draw(&mut visual);
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assert_eq!(*changes.borrow(), vec![Some(1), Some(4)]);
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visual.simulate_keystrokes("up"); // over Locked → Documents
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visual.simulate_keystrokes("end"); // last selectable row
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visual.simulate_keystrokes("home"); // first selectable row
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draw(&mut visual);
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assert_eq!(
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*changes.borrow(),
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vec![Some(1), Some(4), Some(1), Some(4), Some(1)]
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);
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}
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