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Implement ViewContext::observe_window_activation

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Co-Authored-By: Conrad Irwin <conrad@zed.dev>
This commit is contained in:
Antonio Scandurra 2023-11-02 16:37:22 +01:00
parent 3a824e468f
commit ec4f0d7bca
1 changed files with 28 additions and 1 deletions
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29
crates/gpui2/src/window.rs
View file

@ -188,6 +188,8 @@ pub struct Window {
scale_factor: f32,
bounds: WindowBounds,
bounds_observers: SubscriberSet<(), AnyObserver>,
active: bool,
activation_observers: SubscriberSet<(), AnyObserver>,
pub(crate) scene_builder: SceneBuilder,
pub(crate) dirty: bool,
pub(crate) last_blur: Option<Option<FocusId>>,
@ -224,6 +226,20 @@ impl Window {
.log_err();
}
}));
platform_window.on_active_status_change(Box::new({
let mut cx = cx.to_async();
move |active| {
handle
.update(&mut cx, |_, cx| {
cx.window.active = active;
cx.window
.activation_observers
.clone()
.retain(&(), |callback| callback(cx));
})
.log_err();
}
}));
platform_window.on_input({
let mut cx = cx.to_async();
@ -264,6 +280,8 @@ impl Window {
scale_factor,
bounds,
bounds_observers: SubscriberSet::new(),
active: false,
activation_observers: SubscriberSet::new(),
scene_builder: SceneBuilder::new(),
dirty: true,
last_blur: None,
@ -1748,7 +1766,16 @@ impl<'a, V: 'static> ViewContext<'a, V> {
)
}
fn observe_window_activation(&mut self) -> Subscription {}
pub fn observe_window_activation(
&mut self,
mut callback: impl FnMut(&mut V, &mut ViewContext<V>) + 'static,
) -> Subscription {
let view = self.view.downgrade();
self.window.activation_observers.insert(
(),
Box::new(move |cx| view.update(cx, |view, cx| callback(view, cx)).is_ok()),
)
}
pub fn on_focus_changed(
&mut self,