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Fix up some examples (#3614)

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This commit is contained in:
Emil Ernerfeldt
2023-11-23 12:58:44 +01:00
committed by GitHub
parent a2b15b23ad
commit 24913ceeba
17 changed files with 123 additions and 82 deletions
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19
crates/eframe/src/epi.rs
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@@ -149,25 +149,10 @@ pub trait App {
/// On native the path is picked using [`crate::storage_dir`].
fn save(&mut self, _storage: &mut dyn Storage) {}
/// Called when the user attempts to close the desktop window and/or quit the application.
///
/// By returning `false` the closing will be aborted. To continue the closing return `true`.
///
/// A scenario where this method will be run is after pressing the close button on a native
/// window, which allows you to ask the user whether they want to do something before exiting.
/// See the example at <https://github.com/emilk/egui/blob/master/examples/confirm_exit/> for practical usage.
///
/// It will _not_ be called on the web or when the window is forcefully closed.
#[cfg(not(target_arch = "wasm32"))]
#[doc(alias = "exit")]
#[doc(alias = "quit")]
fn on_close_event(&mut self) -> bool {
true
}
/// Called once on shutdown, after [`Self::save`].
///
/// If you need to abort an exit use [`Self::on_close_event`].
/// If you need to abort an exit check `ctx.input(|i| i.viewport().close_requested())`
/// and respond with [`egui::ViewportCommand::CancelClose`].
///
/// To get a [`glow`] context you need to compile with the `glow` feature flag,
/// and run eframe with the glow backend.