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Make docs set control_flow in a more realistic way (#1376)

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Murarth 2020-01-07 20:55:18 -07:00 committed by Osspial
parent 02ac7456e4
commit d15eb04f9e
3 changed files with 9 additions and 3 deletions
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4
README.md
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@ -46,12 +46,14 @@ fn main() {
let window = WindowBuilder::new().build(&event_loop).unwrap(); let window = WindowBuilder::new().build(&event_loop).unwrap();
event_loop.run(move |event, _, control_flow| { event_loop.run(move |event, _, control_flow| {
*control_flow = ControlFlow::Wait;
match event { match event {
Event::WindowEvent { Event::WindowEvent {
event: WindowEvent::CloseRequested, event: WindowEvent::CloseRequested,
window_id, window_id,
} if window_id == window.id() => *control_flow = ControlFlow::Exit, } if window_id == window.id() => *control_flow = ControlFlow::Exit,
_ => *control_flow = ControlFlow::Wait, _ => (),
} }
}); });
} }

4
examples/window_run_return.rs
View file

@ -28,6 +28,8 @@ fn main() {
while !quit { while !quit {
event_loop.run_return(|event, _, control_flow| { event_loop.run_return(|event, _, control_flow| {
*control_flow = ControlFlow::Wait;
if let Event::WindowEvent { event, .. } = &event { if let Event::WindowEvent { event, .. } = &event {
// Print only Window events to reduce noise // Print only Window events to reduce noise
println!("{:?}", event); println!("{:?}", event);
@ -43,7 +45,7 @@ fn main() {
Event::MainEventsCleared => { Event::MainEventsCleared => {
*control_flow = ControlFlow::Exit; *control_flow = ControlFlow::Exit;
} }
_ => *control_flow = ControlFlow::Wait, _ => (),
} }
}); });

4
src/window.rs
View file

@ -26,12 +26,14 @@ pub use crate::icon::*;
/// let window = Window::new(&event_loop).unwrap(); /// let window = Window::new(&event_loop).unwrap();
/// ///
/// event_loop.run(move |event, _, control_flow| { /// event_loop.run(move |event, _, control_flow| {
/// *control_flow = ControlFlow::Wait;
///
/// match event { /// match event {
/// Event::WindowEvent { /// Event::WindowEvent {
/// event: WindowEvent::CloseRequested, /// event: WindowEvent::CloseRequested,
/// .. /// ..
/// } => *control_flow = ControlFlow::Exit, /// } => *control_flow = ControlFlow::Exit,
/// _ => *control_flow = ControlFlow::Wait, /// _ => (),
/// } /// }
/// }); /// });
/// ``` /// ```