ZacharyZhang-NY
8c038e2c24
The knobs join a layout::seeded seed, so a changed starting value, option list or range starts every setting over, and a renamed knob no longer fails. new() refuses no knobs, twin names and a number outside its range. Controls are keyed by knob name. The test presses keys without a refresh, so only a notify redraws, and walks the switch twice, the slider twice and a pick the owner takes away.
134 lines
3.7 KiB
Rust
134 lines
3.7 KiB
Rust
use gpui::{
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AnyElement, Context, FocusHandle, InteractiveElement, IntoElement, KeyUpEvent, Keystroke,
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ParentElement, Render, Styled, TestAppContext, VisualTestContext, Window, div, px,
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};
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use std::cell::Cell;
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use super::{Knob, Playground};
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use crate::{
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forms,
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primitives::{FocusNext, FocusPrev, FocusScope},
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theme::Theme,
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};
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struct Stage {
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root: FocusHandle,
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}
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impl Render for Stage {
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fn render(&mut self, _: &mut Window, _: &mut Context<Self>) -> impl IntoElement {
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FocusScope::new(&self.root)
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.root()
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.size_full()
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.child(div().w(px(600.0)).child(playground()))
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}
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}
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thread_local! {
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static LARGE: Cell<bool> = const { Cell::new(true) };
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}
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fn playground() -> AnyElement {
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Playground::new(
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"playground",
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[
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Knob::Toggle("disabled".into(), false),
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Knob::Choice(
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"size".into(),
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["Sm", "Md", "Lg"][..2 + usize::from(LARGE.get())]
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.iter()
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.map(|size| (*size).into())
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.collect(),
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1,
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),
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Knob::Number("share".into(), 0.5, (0.0, 1.0), 0.25),
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],
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|settings, _, _| {
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let shown = format!(
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"preview-{}-{}-{:.2}",
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settings.on("disabled"),
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settings.picked("size"),
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settings.number("share")
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);
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div().debug_selector(|| shown).into_any_element()
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},
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)
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.into_any_element()
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}
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fn settle(cx: &mut VisualTestContext) {
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for _ in 0..3 {
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cx.run_until_parked();
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cx.update(|window, _| window.refresh());
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}
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cx.run_until_parked();
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}
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/// Presses a key with no refresh of its own, so only what notifies redraws.
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fn press(key: &str, cx: &mut VisualTestContext) {
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cx.simulate_keystrokes(key);
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cx.run_until_parked();
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cx.simulate_event(KeyUpEvent {
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keystroke: Keystroke::parse(key).expect("a key"),
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});
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cx.run_until_parked();
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}
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/// Each knob's edit redraws the preview with the new settings.
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#[gpui::test]
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fn knobs_redraw_the_preview(cx: &mut TestAppContext) {
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cx.update(|cx| {
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Theme::init(cx);
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forms::bind_keys(cx);
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cx.bind_keys([
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gpui::KeyBinding::new("tab", FocusNext, None),
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gpui::KeyBinding::new("shift-tab", FocusPrev, None),
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]);
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});
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let (view, cx) = cx.add_window_view(|_, cx| Stage {
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root: cx.focus_handle(),
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});
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let root = view.read_with(cx, |stage, _| stage.root.clone());
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cx.update(|window, _| window.focus(&root));
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settle(cx);
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let shown =
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|selector: &'static str, cx: &mut VisualTestContext| cx.debug_bounds(selector).is_some();
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assert!(shown("preview-false-Md-0.50", cx));
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press("tab", cx);
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press("space", cx);
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assert!(shown("preview-true-Md-0.50", cx), "the switch turned");
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press("tab", cx);
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for key in ["down", "down", "enter"] {
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press(key, cx);
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}
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assert!(shown("preview-true-Lg-0.50", cx), "the choice moved");
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press("tab", cx);
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press("right", cx);
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press("right", cx);
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assert!(
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shown("preview-true-Lg-1.00", cx),
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"the number stepped twice"
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);
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assert!(
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shown("knob-readout-share-1.00", cx),
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"its readout in the step's places"
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);
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press("shift-tab", cx);
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press("shift-tab", cx);
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press("space", cx);
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assert!(
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shown("preview-false-Lg-1.00", cx),
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"the switch showed its own setting, so a second press turned it back"
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);
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LARGE.set(false);
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settle(cx);
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press("tab", cx);
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press("tab", cx);
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press("right", cx);
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assert!(
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shown("preview-false-Md-0.75", cx),
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"the owner took away the picked size, so every setting started over"
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);
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}
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