Moved exit_on_close_request to window settings. This now controls whether each INDIVIDUAL window should close on CloseRequested events.

This commit is contained in:
Bingus 2023-07-24 14:32:59 -07:00
parent d53ccc857d
commit 83c7870c56
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GPG key ID: 5F84D2AA40A9F170
8 changed files with 130 additions and 85 deletions

View file

@ -28,9 +28,6 @@ pub enum Event {
RedrawRequested(Instant),
/// The user has requested for the window to close.
///
/// Usually, you will want to terminate the execution whenever this event
/// occurs.
CloseRequested,
/// A window was destroyed by the runtime.

View file

@ -57,6 +57,16 @@ pub struct Settings {
/// Platform specific settings.
pub platform_specific: PlatformSpecific,
/// Whether the window will close when the user requests it, e.g. when a user presses the
/// close button.
///
/// This can be useful if you want to have some behavior that executes before the window is
/// actually destroyed. If you disable this, you must manually close the window with the
/// `window::close` command.
///
/// By default this is enabled.
pub exit_on_close_request: bool,
}
impl Default for Settings {
@ -73,6 +83,7 @@ impl Default for Settings {
level: Level::default(),
icon: None,
platform_specific: Default::default(),
exit_on_close_request: true,
}
}
}

View file

@ -8,10 +8,7 @@ use iced::{
use std::collections::HashMap;
fn main() -> iced::Result {
Example::run(Settings {
exit_on_close_request: false,
..Default::default()
})
Example::run(Settings::default())
}
#[derive(Default)]
@ -111,6 +108,7 @@ impl multi_window::Application for Example {
id,
window::Settings {
position: self.next_window_pos,
exit_on_close_request: count % 2 == 0,
..Default::default()
},
);

View file

@ -41,14 +41,6 @@ pub struct Settings<Flags> {
///
/// [`Canvas`]: crate::widget::Canvas
pub antialiasing: bool,
/// Whether the [`Application`] should exit when the user requests the
/// window to close (e.g. the user presses the close button).
///
/// By default, it is enabled.
///
/// [`Application`]: crate::Application
pub exit_on_close_request: bool,
}
impl<Flags> Settings<Flags> {
@ -65,7 +57,6 @@ impl<Flags> Settings<Flags> {
default_font: default_settings.default_font,
default_text_size: default_settings.default_text_size,
antialiasing: default_settings.antialiasing,
exit_on_close_request: default_settings.exit_on_close_request,
}
}
}
@ -82,7 +73,6 @@ where
default_font: Default::default(),
default_text_size: 16.0,
antialiasing: false,
exit_on_close_request: true,
}
}
}
@ -93,7 +83,6 @@ impl<Flags> From<Settings<Flags>> for iced_winit::Settings<Flags> {
id: settings.id,
window: settings.window,
flags: settings.flags,
exit_on_close_request: settings.exit_on_close_request,
}
}
}

View file

@ -136,6 +136,8 @@ where
let target = settings.window.platform_specific.target.clone();
let should_be_visible = settings.window.visible;
let exit_on_close_request = settings.window.exit_on_close_request;
let builder = settings::window_builder(
settings.window,
&application.title(),
@ -197,7 +199,7 @@ where
init_command,
window,
should_be_visible,
settings.exit_on_close_request,
exit_on_close_request,
));
let mut context = task::Context::from_waker(task::noop_waker_ref());

View file

@ -46,7 +46,14 @@ pub enum Event<Message> {
/// An internal event for closing a window.
CloseWindow(window::Id),
/// An internal event for when the window has finished being created.
WindowCreated(window::Id, winit::window::Window),
WindowCreated {
/// The internal ID of the window.
id: window::Id,
/// The raw window.
window: winit::window::Window,
/// Whether or not the window should close when a user requests it does.
exit_on_close_request: bool,
},
}
#[allow(unsafe_code)]
@ -161,6 +168,8 @@ where
};
let should_main_be_visible = settings.window.visible;
let exit_on_close_request = settings.window.exit_on_close_request;
let builder = window_builder(
settings.window,
&application.title(window::Id::MAIN),
@ -208,8 +217,13 @@ where
let (mut compositor, renderer) =
C::new(compositor_settings, Some(&main_window))?;
let windows =
Windows::new(&application, &mut compositor, renderer, main_window);
let windows = Windows::new(
&application,
&mut compositor,
renderer,
main_window,
exit_on_close_request,
);
let (mut event_sender, event_receiver) = mpsc::unbounded();
let (control_sender, mut control_receiver) = mpsc::unbounded();
@ -225,7 +239,6 @@ where
init_command,
windows,
should_main_be_visible,
settings.exit_on_close_request,
));
let mut context = task::Context::from_waker(task::noop_waker_ref());
@ -255,14 +268,18 @@ where
title,
monitor,
}) => {
let exit_on_close_request = settings.exit_on_close_request;
let window =
settings::window_builder(settings, &title, monitor, None)
.build(window_target)
.expect("Failed to build window");
Some(winit::event::Event::UserEvent(Event::WindowCreated(
id, window,
)))
Some(winit::event::Event::UserEvent(Event::WindowCreated {
id,
window,
exit_on_close_request,
}))
}
_ => event.to_static(),
};
@ -299,7 +316,6 @@ async fn run_instance<A, E, C>(
init_command: Command<A::Message>,
mut windows: Windows<A, C>,
should_main_window_be_visible: bool,
exit_on_main_closed: bool,
) where
A: Application + 'static,
E: Executor + 'static,
@ -548,11 +564,20 @@ async fn run_instance<A, E, C>(
Event::Application(message) => {
messages.push(message);
}
Event::WindowCreated(id, window) => {
Event::WindowCreated {
id,
window,
exit_on_close_request,
} => {
let bounds = logical_bounds_of(&window);
let (inner_size, i) =
windows.add(&application, &mut compositor, id, window);
let (inner_size, i) = windows.add(
&application,
&mut compositor,
id,
window,
exit_on_close_request,
);
user_interfaces.push(build_user_interface(
&application,
@ -680,41 +705,30 @@ async fn run_instance<A, E, C>(
event: window_event,
window_id,
} => {
let window_deleted = windows
.pending_destroy
.iter()
.any(|(_, w_id)| window_id == *w_id);
let window_index =
windows.raw.iter().position(|w| w.id() == window_id);
if matches!(window_event, winit::event::WindowEvent::Destroyed)
{
// This is the only special case, since in order trigger the Destroyed event the
// window reference from winit must be dropped, but we still want to inform the
// user that the window was destroyed so they can clean up any specific window
// code for this window
let id = windows.get_pending_destroy(window_id);
events.push((
None,
core::Event::Window(id, window::Event::Destroyed),
));
} else if !window_deleted {
let i = windows.index_from_raw(window_id);
match window_index {
Some(i) => {
let id = windows.ids[i];
let raw = &windows.raw[i];
let state = &mut windows.states[i];
let exit_on_close_request =
windows.exit_on_close_requested[i];
// first check if we need to just break the entire application
// e.g. a user does a force quit on MacOS, or if a user has set "exit on main closed"
// as an option in window settings and wants to close the main window
if requests_exit(
i,
exit_on_main_closed,
&window_event,
state.modifiers(),
) {
if matches!(
window_event,
winit::event::WindowEvent::CloseRequested
) && exit_on_close_request
{
let i = windows.delete(id);
let _ = user_interfaces.remove(i);
let _ = ui_caches.remove(i);
if windows.is_empty() {
break 'main;
}
} else {
let state = &mut windows.states[i];
state.update(raw, &window_event, &mut debug);
if let Some(event) = conversion::window_event(
@ -727,6 +741,28 @@ async fn run_instance<A, E, C>(
}
}
}
None => {
// This is the only special case, since in order to trigger the Destroyed event the
// window reference from winit must be dropped, but we still want to inform the
// user that the window was destroyed so they can clean up any specific window
// code for this window
if matches!(
window_event,
winit::event::WindowEvent::Destroyed
) {
let id = windows.get_pending_destroy(window_id);
events.push((
None,
core::Event::Window(
id,
window::Event::Destroyed,
),
));
}
}
}
}
_ => {}
}
}
@ -1068,17 +1104,13 @@ where
/// Returns true if the provided event should cause an [`Application`] to
/// exit.
pub fn requests_exit(
window: usize,
exit_on_main_closed: bool,
pub fn user_force_quit(
event: &winit::event::WindowEvent<'_>,
_modifiers: winit::event::ModifiersState,
) -> bool {
use winit::event::WindowEvent;
//TODO alt f4..?
match event {
WindowEvent::CloseRequested => exit_on_main_closed && window == 0,
#[cfg(target_os = "macos")]
WindowEvent::KeyboardInput {
input:

View file

@ -14,6 +14,7 @@ where
pub raw: Vec<winit::window::Window>,
pub states: Vec<State<A>>,
pub viewport_versions: Vec<usize>,
pub exit_on_close_requested: Vec<bool>,
pub surfaces: Vec<C::Surface>,
pub renderers: Vec<A::Renderer>,
pub pending_destroy: Vec<(window::Id, winit::window::WindowId)>,
@ -52,6 +53,7 @@ where
compositor: &mut C,
renderer: A::Renderer,
main: winit::window::Window,
exit_on_close_requested: bool,
) -> Self {
let state = State::new(application, window::Id::MAIN, &main);
let viewport_version = state.viewport_version();
@ -67,6 +69,7 @@ where
raw: vec![main],
states: vec![state],
viewport_versions: vec![viewport_version],
exit_on_close_requested: vec![exit_on_close_requested],
surfaces: vec![surface],
renderers: vec![renderer],
pending_destroy: vec![],
@ -81,6 +84,7 @@ where
compositor: &mut C,
id: window::Id,
window: winit::window::Window,
exit_on_close_requested: bool,
) -> (Size, usize) {
let state = State::new(application, id, &window);
let window_size = state.logical_size();
@ -96,6 +100,7 @@ where
self.ids.push(id);
self.raw.push(window);
self.states.push(state);
self.exit_on_close_requested.push(exit_on_close_requested);
self.viewport_versions.push(viewport_version);
self.surfaces.push(surface);
self.renderers.push(renderer);
@ -145,6 +150,7 @@ where
let id = self.ids.remove(i);
let window = self.raw.remove(i);
let _ = self.states.remove(i);
let _ = self.exit_on_close_requested.remove(i);
let _ = self.viewport_versions.remove(i);
let _ = self.surfaces.remove(i);
@ -167,4 +173,24 @@ where
let (id, _) = self.pending_destroy.remove(i);
id
}
/// Returns the windows that need to be requested to closed, and also the windows that can be
/// closed immediately.
pub fn partition_close_requests(&self) -> (Vec<window::Id>, Vec<window::Id>) {
self.exit_on_close_requested.iter().enumerate().fold(
(vec![], vec![]),
|(mut close_immediately, mut needs_request_closed),
(i, close)| {
let id = self.ids[i];
if *close {
close_immediately.push(id);
} else {
needs_request_closed.push(id);
}
(close_immediately, needs_request_closed)
},
)
}
}

View file

@ -1,6 +1,6 @@
//! Configure your application.
use crate::conversion;
use crate::core::window;
use crate::conversion;
use winit::monitor::MonitorHandle;
use winit::window::WindowBuilder;
@ -21,16 +21,6 @@ pub struct Settings<Flags> {
///
/// [`Application`]: crate::Application
pub flags: Flags,
/// Whether the [`Application`] should exit when the user requests the
/// window to close (e.g. the user presses the close button).
///
/// With a [`multi_window::Application`] this will instead be used to determine whether the
/// application should exit when the "main"" window is closed, i.e. the first window created on
/// app launch.
///
/// [`Application`]: crate::Application
pub exit_on_close_request: bool,
}
/// Converts the window settings into a `WindowBuilder` from `winit`.