112 lines
3.5 KiB
Rust
112 lines
3.5 KiB
Rust
use std::{cell::RefCell, rc::Rc};
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use gpui::{
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AnyWindowHandle, AppContext as _, Context, IntoElement, KeyDownEvent, KeyUpEvent, Keystroke,
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Modifiers, ParentElement as _, Render, Styled as _, TestAppContext, VisualTestContext, Window,
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div, point, px,
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};
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use gpui_native_core::toggle::Toggle;
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use gpui_native_theme::Theme;
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struct Harness {
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changes: Rc<RefCell<Vec<bool>>>,
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pressed: bool,
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disabled: bool,
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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().flex().flex_col().child(
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Toggle::new("test-toggle")
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.label("Bold")
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.pressed(self.pressed)
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.disabled(self.disabled)
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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.pressed = next;
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cx.notify();
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});
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}),
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)
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}
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}
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/// A maximized window whose toggle sits in the top-left corner, so
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/// `point(px(20.), px(14.))` lands on it.
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fn toggle_window(
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pressed: bool,
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disabled: bool,
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) -> (VisualTestContext, AnyWindowHandle, Rc<RefCell<Vec<bool>>>) {
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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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changes: harness_changes,
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pressed,
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disabled,
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});
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let window = window.into();
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cx.update_window(window, |_, window, cx| {
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window.draw(cx).clear(cx);
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})
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.unwrap();
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(VisualTestContext::from_window(window, &cx), window, changes)
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}
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fn draw(cx: &mut VisualTestContext, window: AnyWindowHandle) {
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cx.update_window(window, |_, window, cx| {
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window.draw(cx).clear(cx);
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})
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.unwrap();
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}
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#[test]
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fn clicking_reports_the_next_pressed_state_through_the_controlled_loop() {
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let (mut cx, _window, changes) = toggle_window(false, false);
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cx.simulate_click(point(px(20.), px(14.)), Modifiers::default());
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assert_eq!(*changes.borrow(), vec![true]);
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// The second click must report `false`: only if the owner applied the
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// first change does the toggle know it is pressed.
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cx.simulate_click(point(px(20.), px(14.)), Modifiers::default());
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assert_eq!(*changes.borrow(), vec![true, false]);
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}
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#[test]
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fn disabled_toggle_does_not_report_changes() {
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let (mut cx, _window, changes) = toggle_window(false, true);
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cx.simulate_click(point(px(20.), px(14.)), Modifiers::default());
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assert!(changes.borrow().is_empty());
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}
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#[test]
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fn enter_and_space_report_the_next_pressed_state_while_focused() {
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let (mut cx, window, changes) = toggle_window(false, false);
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cx.simulate_click(point(px(20.), px(14.)), Modifiers::default());
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assert_eq!(
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*changes.borrow(),
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vec![true],
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"the pointer click itself presses"
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);
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// Repaint with the toggle focused so its Enter/Space handlers register.
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draw(&mut cx, window);
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for key in ["enter", "space"] {
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cx.simulate_event(KeyDownEvent {
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keystroke: Keystroke::parse(key).unwrap(),
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is_held: false,
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prefer_character_input: false,
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});
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cx.simulate_event(KeyUpEvent {
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keystroke: Keystroke::parse(key).unwrap(),
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});
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}
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assert_eq!(*changes.borrow(), vec![true, false, true]);
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}
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