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This commit is contained in:
Kay Simmons 2023-01-20 12:15:21 -08:00
parent 81ed961659
commit 15799f7af6
17 changed files with 481 additions and 148 deletions
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109
crates/gpui/src/app.rs
View file

@ -43,6 +43,7 @@ use crate::{
util::post_inc,
Appearance, AssetCache, AssetSource, ClipboardItem, FontCache, InputHandler, KeyUpEvent,
ModifiersChangedEvent, MouseButton, MouseRegionId, PathPromptOptions, TextLayoutCache,
WindowBounds,
};
pub trait Entity: 'static {
@ -594,6 +595,7 @@ type ReleaseObservationCallback = Box<dyn FnMut(&dyn Any, &mut MutableAppContext
type ActionObservationCallback = Box<dyn FnMut(TypeId, &mut MutableAppContext)>;
type WindowActivationCallback = Box<dyn FnMut(bool, &mut MutableAppContext) -> bool>;
type WindowFullscreenCallback = Box<dyn FnMut(bool, &mut MutableAppContext) -> bool>;
type WindowBoundsCallback = Box<dyn FnMut(WindowBounds, &mut MutableAppContext) -> bool>;
type KeystrokeCallback = Box<
dyn FnMut(&Keystroke, &MatchResult, Option<&Box<dyn Action>>, &mut MutableAppContext) -> bool,
>;
@ -624,6 +626,7 @@ pub struct MutableAppContext {
action_dispatch_observations: CallbackCollection<(), ActionObservationCallback>,
window_activation_observations: CallbackCollection<usize, WindowActivationCallback>,
window_fullscreen_observations: CallbackCollection<usize, WindowFullscreenCallback>,
window_bounds_observations: CallbackCollection<usize, WindowBoundsCallback>,
keystroke_observations: CallbackCollection<usize, KeystrokeCallback>,
#[allow(clippy::type_complexity)]
@ -681,6 +684,7 @@ impl MutableAppContext {
global_observations: Default::default(),
window_activation_observations: Default::default(),
window_fullscreen_observations: Default::default(),
window_bounds_observations: Default::default(),
keystroke_observations: Default::default(),
action_dispatch_observations: Default::default(),
presenters_and_platform_windows: Default::default(),
@ -1240,6 +1244,23 @@ impl MutableAppContext {
)
}
fn observe_window_bounds<F>(&mut self, window_id: usize, callback: F) -> Subscription
where
F: 'static + FnMut(WindowBounds, &mut MutableAppContext) -> bool,
{
let subscription_id = post_inc(&mut self.next_subscription_id);
self.pending_effects
.push_back(Effect::WindowBoundsObservation {
window_id,
subscription_id,
callback: Box::new(callback),
});
Subscription::WindowBoundsObservation(
self.window_bounds_observations
.subscribe(window_id, subscription_id),
)
}
pub fn observe_keystrokes<F>(&mut self, window_id: usize, callback: F) -> Subscription
where
F: 'static
@ -1774,6 +1795,13 @@ impl MutableAppContext {
}));
}
{
let mut app = self.upgrade();
window.on_moved(Box::new(move || {
app.update(|cx| cx.window_was_moved(window_id))
}));
}
{
let mut app = self.upgrade();
window.on_fullscreen(Box::new(move |is_fullscreen| {
@ -2071,6 +2099,11 @@ impl MutableAppContext {
.invalidation
.get_or_insert(WindowInvalidation::default());
}
self.handle_window_moved(window_id);
}
Effect::MoveWindow { window_id } => {
self.handle_window_moved(window_id);
}
Effect::WindowActivationObservation {
@ -2103,6 +2136,16 @@ impl MutableAppContext {
is_fullscreen,
} => self.handle_fullscreen_effect(window_id, is_fullscreen),
Effect::WindowBoundsObservation {
window_id,
subscription_id,
callback,
} => self.window_bounds_observations.add_callback(
window_id,
subscription_id,
callback,
),
Effect::RefreshWindows => {
refreshing = true;
}
@ -2197,6 +2240,11 @@ impl MutableAppContext {
.push_back(Effect::ResizeWindow { window_id });
}
fn window_was_moved(&mut self, window_id: usize) {
self.pending_effects
.push_back(Effect::MoveWindow { window_id });
}
fn window_was_fullscreen_changed(&mut self, window_id: usize, is_fullscreen: bool) {
self.pending_effects.push_back(Effect::FullscreenWindow {
window_id,
@ -2510,6 +2558,20 @@ impl MutableAppContext {
}
}
fn handle_window_moved(&mut self, window_id: usize) {
let bounds = if self.window_is_fullscreen(window_id) {
WindowBounds::Fullscreen
} else {
WindowBounds::Fixed(self.window_bounds(window_id))
};
self.window_bounds_observations
.clone()
.emit(window_id, self, move |callback, this| {
callback(bounds, this);
true
});
}
pub fn focus(&mut self, window_id: usize, view_id: Option<usize>) {
self.pending_effects
.push_back(Effect::Focus { window_id, view_id });
@ -2887,9 +2949,8 @@ pub enum Effect {
ResizeWindow {
window_id: usize,
},
FullscreenWindow {
MoveWindow {
window_id: usize,
is_fullscreen: bool,
},
ActivateWindow {
window_id: usize,
@ -2900,11 +2961,20 @@ pub enum Effect {
subscription_id: usize,
callback: WindowActivationCallback,
},
FullscreenWindow {
window_id: usize,
is_fullscreen: bool,
},
WindowFullscreenObservation {
window_id: usize,
subscription_id: usize,
callback: WindowFullscreenCallback,
},
WindowBoundsObservation {
window_id: usize,
subscription_id: usize,
callback: WindowBoundsCallback,
},
Keystroke {
window_id: usize,
keystroke: Keystroke,
@ -3015,6 +3085,10 @@ impl Debug for Effect {
.debug_struct("Effect::RefreshWindow")
.field("window_id", window_id)
.finish(),
Effect::MoveWindow { window_id } => f
.debug_struct("Effect::MoveWindow")
.field("window_id", window_id)
.finish(),
Effect::WindowActivationObservation {
window_id,
subscription_id,
@ -3049,6 +3123,16 @@ impl Debug for Effect {
.field("window_id", window_id)
.field("subscription_id", subscription_id)
.finish(),
Effect::WindowBoundsObservation {
window_id,
subscription_id,
callback: _,
} => f
.debug_struct("Effect::WindowBoundsObservation")
.field("window_id", window_id)
.field("subscription_id", subscription_id)
.finish(),
Effect::RefreshWindows => f.debug_struct("Effect::FullViewRefresh").finish(),
Effect::WindowShouldCloseSubscription { window_id, .. } => f
.debug_struct("Effect::WindowShouldCloseSubscription")
@ -3928,6 +4012,24 @@ impl<'a, T: View> ViewContext<'a, T> {
)
}
pub fn observe_window_bounds<F>(&mut self, mut callback: F) -> Subscription
where
F: 'static + FnMut(&mut T, WindowBounds, &mut ViewContext<T>),
{
let observer = self.weak_handle();
self.app
.observe_window_bounds(self.window_id(), move |bounds, cx| {
if let Some(observer) = observer.upgrade(cx) {
observer.update(cx, |observer, cx| {
callback(observer, bounds, cx);
});
true
} else {
false
}
})
}
pub fn emit(&mut self, payload: T::Event) {
self.app.pending_effects.push_back(Effect::Event {
entity_id: self.view_id,
@ -5092,6 +5194,7 @@ pub enum Subscription {
FocusObservation(callback_collection::Subscription<usize, FocusObservationCallback>),
WindowActivationObservation(callback_collection::Subscription<usize, WindowActivationCallback>),
WindowFullscreenObservation(callback_collection::Subscription<usize, WindowFullscreenCallback>),
WindowBoundsObservation(callback_collection::Subscription<usize, WindowBoundsCallback>),
KeystrokeObservation(callback_collection::Subscription<usize, KeystrokeCallback>),
ReleaseObservation(callback_collection::Subscription<usize, ReleaseObservationCallback>),
ActionObservation(callback_collection::Subscription<(), ActionObservationCallback>),
@ -5107,6 +5210,7 @@ impl Subscription {
Subscription::FocusObservation(subscription) => subscription.id(),
Subscription::WindowActivationObservation(subscription) => subscription.id(),
Subscription::WindowFullscreenObservation(subscription) => subscription.id(),
Subscription::WindowBoundsObservation(subscription) => subscription.id(),
Subscription::KeystrokeObservation(subscription) => subscription.id(),
Subscription::ReleaseObservation(subscription) => subscription.id(),
Subscription::ActionObservation(subscription) => subscription.id(),
@ -5123,6 +5227,7 @@ impl Subscription {
Subscription::KeystrokeObservation(subscription) => subscription.detach(),
Subscription::WindowActivationObservation(subscription) => subscription.detach(),
Subscription::WindowFullscreenObservation(subscription) => subscription.detach(),
Subscription::WindowBoundsObservation(subscription) => subscription.detach(),
Subscription::ReleaseObservation(subscription) => subscription.detach(),
Subscription::ActionObservation(subscription) => subscription.detach(),
}