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Notify old/new ancestors of the focused view when they change

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This commit is contained in:
Antonio Scandurra 2023-05-17 17:12:12 +02:00
parent 981129ef8e
commit 747fbfadeb
2 changed files with 49 additions and 6 deletions
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48
crates/gpui/src/app.rs
View file

@ -1694,12 +1694,54 @@ impl AppContext {
if let Some(invalidation) = invalidation {
let appearance = cx.window.platform_window.appearance();
cx.invalidate(invalidation, appearance);
if cx.layout(refreshing).log_err().is_some() {
if let Some(old_parents) = cx.layout(refreshing).log_err() {
updated_windows.insert(window_id);
// When the previously-focused view isn't rendered and
// there isn't any pending focus, focus the root view.
if let Some(focused_view_id) = cx.focused_view_id() {
let old_ancestors = std::iter::successors(
Some(focused_view_id),
|&view_id| old_parents.get(&view_id).copied(),
)
.collect::<HashSet<_>>();
let new_ancestors =
cx.ancestors(focused_view_id).collect::<HashSet<_>>();
// Notify the old ancestors of the focused view when they don't contain it anymore.
for old_ancestor in old_ancestors.iter().copied() {
if !new_ancestors.contains(&old_ancestor) {
if let Some(mut view) =
cx.views.remove(&(window_id, old_ancestor))
{
view.focus_out(
focused_view_id,
cx,
old_ancestor,
);
cx.views
.insert((window_id, old_ancestor), view);
}
}
}
// Notify the new ancestors of the focused view if they contain it now.
for new_ancestor in new_ancestors.iter().copied() {
if !old_ancestors.contains(&new_ancestor) {
if let Some(mut view) =
cx.views.remove(&(window_id, new_ancestor))
{
view.focus_in(
focused_view_id,
cx,
new_ancestor,
);
cx.views
.insert((window_id, new_ancestor), view);
}
}
}
// When the previously-focused view isn't rendered and
// there isn't any pending focus, focus the root view.
let root_view_id = cx.window.root_view().id();
if focused_view_id != root_view_id
&& !cx.window.parents.contains_key(&focused_view_id)

7
crates/gpui/src/app/window.rs
View file

@ -29,6 +29,7 @@ use sqlez::{
};
use std::{
any::TypeId,
mem,
ops::{Deref, DerefMut, Range},
};
use util::ResultExt;
@ -890,7 +891,7 @@ impl<'a> WindowContext<'a> {
Ok(element)
}
pub(crate) fn layout(&mut self, refreshing: bool) -> Result<()> {
pub(crate) fn layout(&mut self, refreshing: bool) -> Result<HashMap<usize, usize>> {
let window_size = self.window.platform_window.content_size();
let root_view_id = self.window.root_view().id();
let mut rendered_root = self.window.rendered_views.remove(&root_view_id).unwrap();
@ -923,11 +924,11 @@ impl<'a> WindowContext<'a> {
}
}
self.window.parents = new_parents;
let old_parents = mem::replace(&mut self.window.parents, new_parents);
self.window
.rendered_views
.insert(root_view_id, rendered_root);
Ok(())
Ok(old_parents)
}
pub(crate) fn paint(&mut self) -> Result<Scene> {