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WIP: force using (at least) a window context to update views

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This commit is contained in:
Antonio Scandurra 2023-04-14 17:08:13 +02:00
parent a820862165
commit f09e21aa93
3 changed files with 112 additions and 98 deletions
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166
crates/gpui/src/app.rs
View File

@ -470,7 +470,10 @@ impl UpdateView for AsyncAppContext {
where
T: View,
{
self.0.borrow_mut().update_view(handle, update)
self.0
.borrow_mut()
.update_window(handle.window_id, |cx| cx.update_view(handle, update))
.unwrap() // TODO: is this unwrap safe?
}
}
@ -1271,7 +1274,9 @@ impl AppContext {
let root_view = window.root_view().clone().downcast::<V>().unwrap();
this.windows.insert(window_id, window);
root_view.update(this, |view, cx| view.focus_in(cx.handle().into_any(), cx));
this.update_window(window_id, |cx| {
root_view.update(cx, |view, cx| view.focus_in(cx.handle().into_any(), cx))
});
(window_id, root_view)
})
@ -1289,7 +1294,9 @@ impl AppContext {
let root_view = window.root_view().clone().downcast::<V>().unwrap();
this.windows.insert(window_id, window);
root_view.update(this, |view, cx| view.focus_in(cx.handle().into_any(), cx));
this.update_window(window_id, |cx| {
root_view.update(cx, |view, cx| view.focus_in(cx.handle().into_any(), cx))
});
(window_id, root_view)
})
@ -2147,20 +2154,6 @@ impl ReadView for AppContext {
}
}
impl UpdateView for AppContext {
fn update_view<T, S>(
&mut self,
handle: &ViewHandle<T>,
update: &mut dyn FnMut(&mut T, &mut ViewContext<T>) -> S,
) -> S
where
T: View,
{
self.update_window(handle.window_id, |cx| cx.update_view(handle, update))
.unwrap() // TODO: Is this unwrap safe?
}
}
#[derive(Debug)]
pub enum ParentId {
View(usize),
@ -3045,17 +3038,20 @@ impl<'a, 'b, 'c, V: View> ViewContext<'a, 'b, 'c, V> {
where
F: 'static + FnMut(&mut V, &mut ViewContext<V>) -> bool,
{
let window_id = self.window_id();
let window_id = self.window_id;
let view = self.weak_handle();
self.pending_effects
.push_back(Effect::WindowShouldCloseSubscription {
window_id,
callback: Box::new(move |cx| {
if let Some(view) = view.upgrade(cx) {
view.update(cx, |view, cx| callback(view, cx))
} else {
true
}
cx.update_window(window_id, |cx| {
if let Some(view) = view.upgrade(cx) {
view.update(cx, |view, cx| callback(view, cx))
} else {
true
}
})
.unwrap_or(true)
}),
});
}
@ -3099,17 +3095,21 @@ impl<'a, 'b, 'c, V: View> ViewContext<'a, 'b, 'c, V> {
H: Handle<E>,
F: 'static + FnMut(&mut V, H, &E::Event, &mut ViewContext<V>),
{
let window_id = self.window_id;
let subscriber = self.weak_handle();
self.window_context
.subscribe_internal(handle, move |emitter, event, cx| {
if let Some(subscriber) = subscriber.upgrade(cx) {
subscriber.update(cx, |subscriber, cx| {
callback(subscriber, emitter, event, cx);
});
true
} else {
false
}
cx.update_window(window_id, |cx| {
if let Some(subscriber) = subscriber.upgrade(cx) {
subscriber.update(cx, |subscriber, cx| {
callback(subscriber, emitter, event, cx);
});
true
} else {
false
}
})
.unwrap_or(false)
})
}
@ -3119,17 +3119,21 @@ impl<'a, 'b, 'c, V: View> ViewContext<'a, 'b, 'c, V> {
H: Handle<E>,
F: 'static + FnMut(&mut V, H, &mut ViewContext<V>),
{
let window_id = self.window_id;
let observer = self.weak_handle();
self.window_context
.observe_internal(handle, move |observed, cx| {
if let Some(observer) = observer.upgrade(cx) {
observer.update(cx, |observer, cx| {
callback(observer, observed, cx);
});
true
} else {
false
}
cx.update_window(window_id, |cx| {
if let Some(observer) = observer.upgrade(cx) {
observer.update(cx, |observer, cx| {
callback(observer, observed, cx);
});
true
} else {
false
}
})
.unwrap_or(false)
})
}
@ -3138,11 +3142,14 @@ impl<'a, 'b, 'c, V: View> ViewContext<'a, 'b, 'c, V> {
G: Any,
F: 'static + FnMut(&mut V, &mut ViewContext<V>),
{
let window_id = self.window_id;
let observer = self.weak_handle();
self.window_context.observe_global::<G, _>(move |cx| {
if let Some(observer) = observer.upgrade(cx) {
observer.update(cx, |observer, cx| callback(observer, cx));
}
cx.update_window(window_id, |cx| {
if let Some(observer) = observer.upgrade(cx) {
observer.update(cx, |observer, cx| callback(observer, cx));
}
});
})
}
@ -3171,14 +3178,17 @@ impl<'a, 'b, 'c, V: View> ViewContext<'a, 'b, 'c, V> {
H: Handle<E>,
F: 'static + FnMut(&mut V, &E, &mut ViewContext<V>),
{
let window_id = self.window_id;
let observer = self.weak_handle();
self.window_context
.observe_release(handle, move |released, cx| {
if let Some(observer) = observer.upgrade(cx) {
observer.update(cx, |observer, cx| {
callback(observer, released, cx);
});
}
cx.update_window(window_id, |cx| {
if let Some(observer) = observer.upgrade(cx) {
observer.update(cx, |observer, cx| {
callback(observer, released, cx);
});
}
});
})
}
@ -3186,13 +3196,16 @@ impl<'a, 'b, 'c, V: View> ViewContext<'a, 'b, 'c, V> {
where
F: 'static + FnMut(&mut V, TypeId, &mut ViewContext<V>),
{
let window_id = self.window_id;
let observer = self.weak_handle();
self.window_context.observe_actions(move |action_id, cx| {
if let Some(observer) = observer.upgrade(cx) {
observer.update(cx, |observer, cx| {
callback(observer, action_id, cx);
});
}
cx.update_window(window_id, |cx| {
if let Some(observer) = observer.upgrade(cx) {
observer.update(cx, |observer, cx| {
callback(observer, action_id, cx);
});
}
});
})
}
@ -3278,16 +3291,20 @@ impl<'a, 'b, 'c, V: View> ViewContext<'a, 'b, 'c, V> {
where
F: 'static + FnMut(&mut V, &mut ViewContext<V>),
{
let window_id = self.window_id;
let observer = self.weak_handle();
self.window_context.observe_active_labeled_tasks(move |cx| {
if let Some(observer) = observer.upgrade(cx) {
observer.update(cx, |observer, cx| {
callback(observer, cx);
});
true
} else {
false
}
cx.update_window(window_id, |cx| {
if let Some(observer) = observer.upgrade(cx) {
observer.update(cx, |observer, cx| {
callback(observer, cx);
});
true
} else {
false
}
})
.unwrap_or(false)
})
}
@ -3321,11 +3338,14 @@ impl<'a, 'b, 'c, V: View> ViewContext<'a, 'b, 'c, V> {
}
pub fn defer(&mut self, callback: impl 'static + FnOnce(&mut V, &mut ViewContext<V>)) {
let window_id = self.window_id;
let handle = self.handle();
self.window_context.defer(move |cx| {
handle.update(cx, |view, cx| {
callback(view, cx);
})
cx.update_window(window_id, |cx| {
handle.update(cx, |view, cx| {
callback(view, cx);
})
});
})
}
@ -3333,11 +3353,14 @@ impl<'a, 'b, 'c, V: View> ViewContext<'a, 'b, 'c, V> {
&mut self,
callback: impl 'static + FnOnce(&mut V, &mut ViewContext<V>),
) {
let window_id = self.window_id;
let handle = self.handle();
self.window_context.after_window_update(move |cx| {
handle.update(cx, |view, cx| {
callback(view, cx);
})
cx.update_window(window_id, |cx| {
handle.update(cx, |view, cx| {
callback(view, cx);
})
});
})
}
@ -3917,17 +3940,6 @@ impl<T: View> ViewHandle<T> {
})
}
pub fn defer<C, F>(&self, cx: &mut C, update: F)
where
C: AsMut<AppContext>,
F: 'static + FnOnce(&mut T, &mut ViewContext<T>),
{
let this = self.clone();
cx.as_mut().defer(move |cx| {
this.update(cx, |view, cx| update(view, cx));
});
}
pub fn is_focused(&self, cx: &WindowContext) -> bool {
cx.focused_view_id() == Some(self.view_id)
}

35
crates/gpui/src/app/test_app_context.rs
View File

@ -391,7 +391,10 @@ impl UpdateView for TestAppContext {
where
T: View,
{
self.cx.borrow_mut().update_view(handle, update)
self.cx
.borrow_mut()
.update_window(handle.window_id, |cx| cx.update_view(handle, update))
.unwrap()
}
}
@ -556,22 +559,20 @@ impl<T: View> ViewHandle<T> {
let timeout_duration = cx.condition_duration();
let mut cx = cx.cx.borrow_mut();
let subscriptions = self.update(&mut *cx, |_, cx| {
(
cx.observe(self, {
let mut tx = tx.clone();
move |_, _, _| {
tx.blocking_send(()).ok();
}
}),
cx.subscribe(self, {
let mut tx = tx.clone();
move |_, _, _, _| {
tx.blocking_send(()).ok();
}
}),
)
});
let subscriptions = (
cx.observe(self, {
let mut tx = tx.clone();
move |_, _| {
tx.blocking_send(()).ok();
}
}),
cx.subscribe(self, {
let mut tx = tx.clone();
move |_, _, _| {
tx.blocking_send(()).ok();
}
}),
);
let cx = cx.weak_self.as_ref().unwrap().upgrade().unwrap();
let handle = self.downgrade();

9
crates/gpui/src/elements/text.rs
View File

@ -280,18 +280,19 @@ mod tests {
#[crate::test(self)]
fn test_soft_wrapping_with_carriage_returns(cx: &mut AppContext) {
let (_, root_view) = cx.add_window(Default::default(), |_| TestView);
fonts::with_font_cache(cx.font_cache().clone(), || {
root_view.update(cx, |view, cx| {
cx.add_window(Default::default(), |cx| {
let mut view = TestView;
fonts::with_font_cache(cx.font_cache().clone(), || {
let mut text = Text::new("Hello\r\n", Default::default()).with_soft_wrap(true);
let (_, state) = text.layout(
SizeConstraint::new(Default::default(), vec2f(f32::INFINITY, f32::INFINITY)),
view,
&mut view,
cx,
);
assert_eq!(state.shaped_lines.len(), 2);
assert_eq!(state.wrap_boundaries.len(), 2);
});
view
});
}