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Eliminate PaintContext

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This commit is contained in:
Nathan Sobo 2023-09-11 09:00:59 -06:00
parent a24d94cfda
commit e0fdc7d0aa
49 changed files with 156 additions and 269 deletions
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86
crates/gpui/src/app.rs
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@ -3404,6 +3404,16 @@ impl<'a, 'b, V: 'static> ViewContext<'a, 'b, V> {
.or_default()
.push(self_view_id);
}
pub fn paint_layer<F, R>(&mut self, clip_bounds: Option<RectF>, f: F) -> R
where
F: FnOnce(&mut Self) -> R,
{
self.scene().push_layer(clip_bounds);
let result = f(self);
self.scene().pop_layer();
result
}
}
impl<V: View> ViewContext<'_, '_, V> {
@ -3495,82 +3505,6 @@ impl<V> BorrowWindowContext for ViewContext<'_, '_, V> {
}
}
pub struct PaintContext<'a, 'b, 'c, V> {
pub view_context: &'c mut ViewContext<'a, 'b, V>,
}
impl<'a, 'b, 'c, V> PaintContext<'a, 'b, 'c, V> {
pub fn new(view_context: &'c mut ViewContext<'a, 'b, V>) -> Self {
Self { view_context }
}
pub fn paint_layer<F, R>(&mut self, clip_bounds: Option<RectF>, f: F) -> R
where
F: FnOnce(&mut Self) -> R,
{
self.scene().push_layer(clip_bounds);
let result = f(self);
self.scene().pop_layer();
result
}
}
impl<'a, 'b, 'c, V> Deref for PaintContext<'a, 'b, 'c, V> {
type Target = ViewContext<'a, 'b, V>;
fn deref(&self) -> &Self::Target {
&self.view_context
}
}
impl<V> DerefMut for PaintContext<'_, '_, '_, V> {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.view_context
}
}
impl<V> BorrowAppContext for PaintContext<'_, '_, '_, V> {
fn read_with<T, F: FnOnce(&AppContext) -> T>(&self, f: F) -> T {
BorrowAppContext::read_with(&*self.view_context, f)
}
fn update<T, F: FnOnce(&mut AppContext) -> T>(&mut self, f: F) -> T {
BorrowAppContext::update(&mut *self.view_context, f)
}
}
impl<V> BorrowWindowContext for PaintContext<'_, '_, '_, V> {
type Result<T> = T;
fn read_window<T, F>(&self, window: AnyWindowHandle, f: F) -> Self::Result<T>
where
F: FnOnce(&WindowContext) -> T,
{
BorrowWindowContext::read_window(self.view_context, window, f)
}
fn read_window_optional<T, F>(&self, window: AnyWindowHandle, f: F) -> Option<T>
where
F: FnOnce(&WindowContext) -> Option<T>,
{
BorrowWindowContext::read_window_optional(self.view_context, window, f)
}
fn update_window<T, F>(&mut self, window: AnyWindowHandle, f: F) -> Self::Result<T>
where
F: FnOnce(&mut WindowContext) -> T,
{
BorrowWindowContext::update_window(self.view_context, window, f)
}
fn update_window_optional<T, F>(&mut self, window: AnyWindowHandle, f: F) -> Option<T>
where
F: FnOnce(&mut WindowContext) -> Option<T>,
{
BorrowWindowContext::update_window_optional(self.view_context, window, f)
}
}
pub struct EventContext<'a, 'b, 'c, V> {
view_context: &'c mut ViewContext<'a, 'b, V>,
pub(crate) handled: bool,