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Introduce ViewContext::on_window_should_close

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This is a new callback that can be used to interrupt closing the window
when the user has unsaved changes.
This commit is contained in:
Antonio Scandurra 2022-06-23 11:43:19 +02:00
parent ca8ddcdeec
commit 06033d7fa9
4 changed files with 78 additions and 3 deletions
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crates/gpui/src/platform.rs
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@ -93,6 +93,7 @@ pub trait Window: WindowContext {
fn on_event(&mut self, callback: Box<dyn FnMut(Event) -> bool>);
fn on_active_status_change(&mut self, callback: Box<dyn FnMut(bool)>);
fn on_resize(&mut self, callback: Box<dyn FnMut()>);
fn on_should_close(&mut self, callback: Box<dyn FnMut() -> bool>);
fn on_close(&mut self, callback: Box<dyn FnOnce()>);
fn prompt(&self, level: PromptLevel, msg: &str, answers: &[&str]) -> oneshot::Receiver<usize>;
fn activate(&self);