iris
3a74a04a5b
`WakeTaskQueue` becomes `TaskQueue`, which carries the update itself. Delivery and waking are then one act: the winit host sends it through the `EventLoopProxy` as a `DefaultEvent::Update`, so there is no channel beside the loop and nothing has to claim a redraw is needed in order to be looked at. `Window::request_redraw` is gone from this path; `event` applies the update and then asks the tree whether anything became dirty, which is the same question `window_event` already ended with -- now `schedule_redraw`, called from both. The loop's message type is `DefaultEvent<State>`, so `Proxy` becomes a wrapper that takes the application's own `Event` and requires it to be `Send`, since it now crosses to the task thread by that route. The harness supplies a channel-backed queue, which is what lets a test hold updates until it asks for them. Tests split by subject -- layout, pointer, scroll, tasks -- with the region helper in `tests/common`.
50 lines
1.0 KiB
Rust
50 lines
1.0 KiB
Rust
use iris::prelude::*;
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fn main() {
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DefaultApp::<State>::run();
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}
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#[derive(DefaultUiState)]
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struct State {
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ui_state: DefaultUiState,
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}
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type Rsc = DefaultRsc<State>;
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#[derive(Clone, Copy, WidgetView)]
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struct Test {
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#[root]
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root: WeakWidget<Rect>,
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cur: WeakState<bool>,
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}
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impl Test {
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pub fn new(rsc: &mut Rsc) -> Self {
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let root = rect(Color::RED).add(rsc);
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let cur = rsc.create_state(root, false);
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Self { root, cur }
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}
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pub fn toggle(&self, rsc: &mut Rsc) {
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let cur = &mut rsc[self.cur];
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*cur = !*cur;
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if *cur {
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rsc[self.root].color = Color::BLUE;
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} else {
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rsc[self.root].color = Color::RED;
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}
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}
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}
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impl DefaultAppState for State {
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fn new(mut ui_state: DefaultUiState, rsc: &mut DefaultRsc<Self>, _: Proxy<Self>) -> Self {
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let test = Test::new(rsc);
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test.on(CursorSense::click(), move |_, rsc| {
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test.toggle(rsc);
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})
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.set_root(rsc, &mut ui_state);
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Self { ui_state }
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}
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}
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