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-rw-r--r--winit/src/multi_window.rs551
1 files changed, 253 insertions, 298 deletions
diff --git a/winit/src/multi_window.rs b/winit/src/multi_window.rs
index 2eaf9241..d56b47eb 100644
--- a/winit/src/multi_window.rs
+++ b/winit/src/multi_window.rs
@@ -21,10 +21,10 @@ use crate::futures::{Executor, Runtime};
use crate::graphics;
use crate::graphics::{compositor, Compositor};
use crate::multi_window::window_manager::WindowManager;
-use crate::runtime::command::{self, Command};
use crate::runtime::multi_window::Program;
use crate::runtime::user_interface::{self, UserInterface};
use crate::runtime::Debug;
+use crate::runtime::{Action, Task};
use crate::{Clipboard, Error, Proxy, Settings};
pub use crate::application::{default, Appearance, DefaultStyle};
@@ -41,7 +41,7 @@ use std::time::Instant;
/// its own window.
///
/// An [`Application`] can execute asynchronous actions by returning a
-/// [`Command`] in some of its methods.
+/// [`Task`] in some of its methods.
///
/// When using an [`Application`] with the `debug` feature enabled, a debug view
/// can be toggled by pressing `F12`.
@@ -57,10 +57,10 @@ where
///
/// Here is where you should return the initial state of your app.
///
- /// Additionally, you can return a [`Command`] if you need to perform some
+ /// Additionally, you can return a [`Task`] if you need to perform some
/// async action in the background on startup. This is useful if you want to
/// load state from a file, perform an initial HTTP request, etc.
- fn new(flags: Self::Flags) -> (Self, Command<Self::Message>);
+ fn new(flags: Self::Flags) -> (Self, Task<Self::Message>);
/// Returns the current title of the [`Application`].
///
@@ -127,19 +127,23 @@ where
let (proxy, worker) = Proxy::new(event_loop.create_proxy());
- let runtime = {
+ let mut runtime = {
let executor = E::new().map_err(Error::ExecutorCreationFailed)?;
executor.spawn(worker);
Runtime::new(executor, proxy.clone())
};
- let (application, init_command) = {
+ let (application, task) = {
let flags = settings.flags;
runtime.enter(|| A::new(flags))
};
+ if let Some(stream) = task.into_stream() {
+ runtime.run(stream);
+ }
+
let id = settings.id;
let title = application.title(window::Id::MAIN);
@@ -155,7 +159,6 @@ where
boot_receiver,
event_receiver,
control_sender,
- init_command,
));
let context = task::Context::from_waker(task::noop_waker_ref());
@@ -448,13 +451,12 @@ enum Control {
async fn run_instance<A, E, C>(
mut application: A,
- mut runtime: Runtime<E, Proxy<A::Message>, A::Message>,
+ mut runtime: Runtime<E, Proxy<A::Message>, Action<A::Message>>,
mut proxy: Proxy<A::Message>,
mut debug: Debug,
mut boot: oneshot::Receiver<Boot<C>>,
- mut event_receiver: mpsc::UnboundedReceiver<Event<A::Message>>,
+ mut event_receiver: mpsc::UnboundedReceiver<Event<Action<A::Message>>>,
mut control_sender: mpsc::UnboundedSender<Control>,
- init_command: Command<A::Message>,
) where
A: Application + 'static,
E: Executor + 'static,
@@ -511,21 +513,13 @@ async fn run_instance<A, E, C>(
)]),
));
- run_command(
- &application,
- &mut compositor,
- init_command,
- &mut runtime,
- &mut clipboard,
- &mut control_sender,
- &mut proxy,
- &mut debug,
- &mut window_manager,
- &mut ui_caches,
+ runtime.track(
+ application
+ .subscription()
+ .map(Action::Output)
+ .into_recipes(),
);
- runtime.track(application.subscription().into_recipes());
-
let mut messages = Vec::new();
let mut user_events = 0;
@@ -594,8 +588,19 @@ async fn run_instance<A, E, C>(
),
);
}
- event::Event::UserEvent(message) => {
- messages.push(message);
+ event::Event::UserEvent(action) => {
+ run_action(
+ action,
+ &application,
+ &mut compositor,
+ &mut messages,
+ &mut clipboard,
+ &mut control_sender,
+ &mut debug,
+ &mut user_interfaces,
+ &mut window_manager,
+ &mut ui_caches,
+ );
user_events += 1;
}
event::Event::WindowEvent {
@@ -888,7 +893,7 @@ async fn run_instance<A, E, C>(
// TODO mw application update returns which window IDs to update
if !messages.is_empty() || uis_stale {
- let mut cached_interfaces: FxHashMap<
+ let cached_interfaces: FxHashMap<
window::Id,
user_interface::Cache,
> = ManuallyDrop::into_inner(user_interfaces)
@@ -899,15 +904,9 @@ async fn run_instance<A, E, C>(
// Update application
update(
&mut application,
- &mut compositor,
&mut runtime,
- &mut clipboard,
- &mut control_sender,
- &mut proxy,
&mut debug,
&mut messages,
- &mut window_manager,
- &mut cached_interfaces,
);
// we must synchronize all window states with application state after an
@@ -971,63 +970,46 @@ where
user_interface
}
-/// Updates a multi-window [`Application`] by feeding it messages, spawning any
-/// resulting [`Command`], and tracking its [`Subscription`].
-fn update<A: Application, C, E: Executor>(
+fn update<A: Application, E: Executor>(
application: &mut A,
- compositor: &mut C,
- runtime: &mut Runtime<E, Proxy<A::Message>, A::Message>,
- clipboard: &mut Clipboard,
- control_sender: &mut mpsc::UnboundedSender<Control>,
- proxy: &mut Proxy<A::Message>,
+ runtime: &mut Runtime<E, Proxy<A::Message>, Action<A::Message>>,
debug: &mut Debug,
messages: &mut Vec<A::Message>,
- window_manager: &mut WindowManager<A, C>,
- ui_caches: &mut FxHashMap<window::Id, user_interface::Cache>,
) where
- C: Compositor<Renderer = A::Renderer> + 'static,
A::Theme: DefaultStyle,
{
for message in messages.drain(..) {
debug.log_message(&message);
debug.update_started();
- let command = runtime.enter(|| application.update(message));
+ let task = runtime.enter(|| application.update(message));
debug.update_finished();
- run_command(
- application,
- compositor,
- command,
- runtime,
- clipboard,
- control_sender,
- proxy,
- debug,
- window_manager,
- ui_caches,
- );
+ if let Some(stream) = task.into_stream() {
+ runtime.run(stream);
+ }
}
let subscription = application.subscription();
- runtime.track(subscription.into_recipes());
+ runtime.track(subscription.map(Action::Output).into_recipes());
}
-/// Runs the actions of a [`Command`].
-fn run_command<A, C, E>(
+fn run_action<A, C>(
+ action: Action<A::Message>,
application: &A,
compositor: &mut C,
- command: Command<A::Message>,
- runtime: &mut Runtime<E, Proxy<A::Message>, A::Message>,
+ messages: &mut Vec<A::Message>,
clipboard: &mut Clipboard,
control_sender: &mut mpsc::UnboundedSender<Control>,
- proxy: &mut Proxy<A::Message>,
debug: &mut Debug,
+ interfaces: &mut FxHashMap<
+ window::Id,
+ UserInterface<'_, A::Message, A::Theme, A::Renderer>,
+ >,
window_manager: &mut WindowManager<A, C>,
ui_caches: &mut FxHashMap<window::Id, user_interface::Cache>,
) where
A: Application,
- E: Executor,
C: Compositor<Renderer = A::Renderer> + 'static,
A::Theme: DefaultStyle,
{
@@ -1035,279 +1017,252 @@ fn run_command<A, C, E>(
use crate::runtime::system;
use crate::runtime::window;
- for action in command.actions() {
- match action {
- command::Action::Future(future) => {
- runtime.spawn(Box::pin(future));
+ match action {
+ Action::Output(message) => {
+ messages.push(message);
+ }
+ Action::Clipboard(action) => match action {
+ clipboard::Action::Read { target, channel } => {
+ let _ = channel.send(clipboard.read(target));
}
- command::Action::Stream(stream) => {
- runtime.run(Box::pin(stream));
+ clipboard::Action::Write { target, contents } => {
+ clipboard.write(target, contents);
}
- command::Action::Clipboard(action) => match action {
- clipboard::Action::Read(tag, kind) => {
- let message = tag(clipboard.read(kind));
+ },
+ Action::Window(action) => match action {
+ window::Action::Open(id, settings) => {
+ let monitor = window_manager.last_monitor();
- proxy.send(message);
- }
- clipboard::Action::Write(contents, kind) => {
- clipboard.write(kind, contents);
- }
- },
- command::Action::Window(action) => match action {
- window::Action::Spawn(id, settings) => {
- let monitor = window_manager.last_monitor();
+ control_sender
+ .start_send(Control::CreateWindow {
+ id,
+ settings,
+ title: application.title(id),
+ monitor,
+ })
+ .expect("Send control action");
+ }
+ window::Action::Close(id) => {
+ let _ = window_manager.remove(id);
+ let _ = ui_caches.remove(&id);
+ if window_manager.is_empty() {
control_sender
- .start_send(Control::CreateWindow {
- id,
- settings,
- title: application.title(id),
- monitor,
- })
+ .start_send(Control::Exit)
.expect("Send control action");
}
- window::Action::Close(id) => {
- let _ = window_manager.remove(id);
- let _ = ui_caches.remove(&id);
-
- if window_manager.is_empty() {
- control_sender
- .start_send(Control::Exit)
- .expect("Send control action");
- }
- }
- window::Action::Drag(id) => {
- if let Some(window) = window_manager.get_mut(id) {
- let _ = window.raw.drag_window();
- }
+ }
+ window::Action::Drag(id) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ let _ = window.raw.drag_window();
}
- window::Action::Resize(id, size) => {
- if let Some(window) = window_manager.get_mut(id) {
- let _ = window.raw.request_inner_size(
- winit::dpi::LogicalSize {
- width: size.width,
- height: size.height,
- },
- );
- }
+ }
+ window::Action::Resize(id, size) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ let _ = window.raw.request_inner_size(
+ winit::dpi::LogicalSize {
+ width: size.width,
+ height: size.height,
+ },
+ );
}
- window::Action::FetchSize(id, callback) => {
- if let Some(window) = window_manager.get_mut(id) {
- let size = window
- .raw
- .inner_size()
- .to_logical(window.raw.scale_factor());
-
- proxy
- .send(callback(Size::new(size.width, size.height)));
- }
+ }
+ window::Action::FetchSize(id, channel) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ let size = window
+ .raw
+ .inner_size()
+ .to_logical(window.raw.scale_factor());
+
+ let _ = channel.send(Size::new(size.width, size.height));
}
- window::Action::FetchMaximized(id, callback) => {
- if let Some(window) = window_manager.get_mut(id) {
- proxy.send(callback(window.raw.is_maximized()));
- }
+ }
+ window::Action::FetchMaximized(id, channel) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ let _ = channel.send(window.raw.is_maximized());
}
- window::Action::Maximize(id, maximized) => {
- if let Some(window) = window_manager.get_mut(id) {
- window.raw.set_maximized(maximized);
- }
+ }
+ window::Action::Maximize(id, maximized) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ window.raw.set_maximized(maximized);
}
- window::Action::FetchMinimized(id, callback) => {
- if let Some(window) = window_manager.get_mut(id) {
- proxy.send(callback(window.raw.is_minimized()));
- }
+ }
+ window::Action::FetchMinimized(id, channel) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ let _ = channel.send(window.raw.is_minimized());
}
- window::Action::Minimize(id, minimized) => {
- if let Some(window) = window_manager.get_mut(id) {
- window.raw.set_minimized(minimized);
- }
+ }
+ window::Action::Minimize(id, minimized) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ window.raw.set_minimized(minimized);
}
- window::Action::FetchPosition(id, callback) => {
- if let Some(window) = window_manager.get_mut(id) {
- let position = window
- .raw
- .inner_position()
- .map(|position| {
- let position = position.to_logical::<f32>(
- window.raw.scale_factor(),
- );
-
- Point::new(position.x, position.y)
- })
- .ok();
+ }
+ window::Action::FetchPosition(id, channel) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ let position = window
+ .raw
+ .inner_position()
+ .map(|position| {
+ let position = position
+ .to_logical::<f32>(window.raw.scale_factor());
+
+ Point::new(position.x, position.y)
+ })
+ .ok();
- proxy.send(callback(position));
- }
+ let _ = channel.send(position);
}
- window::Action::Move(id, position) => {
- if let Some(window) = window_manager.get_mut(id) {
- window.raw.set_outer_position(
- winit::dpi::LogicalPosition {
- x: position.x,
- y: position.y,
- },
- );
- }
+ }
+ window::Action::Move(id, position) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ window.raw.set_outer_position(
+ winit::dpi::LogicalPosition {
+ x: position.x,
+ y: position.y,
+ },
+ );
}
- window::Action::ChangeMode(id, mode) => {
- if let Some(window) = window_manager.get_mut(id) {
- window.raw.set_visible(conversion::visible(mode));
- window.raw.set_fullscreen(conversion::fullscreen(
- window.raw.current_monitor(),
- mode,
- ));
- }
+ }
+ window::Action::ChangeMode(id, mode) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ window.raw.set_visible(conversion::visible(mode));
+ window.raw.set_fullscreen(conversion::fullscreen(
+ window.raw.current_monitor(),
+ mode,
+ ));
}
- window::Action::ChangeIcon(id, icon) => {
- if let Some(window) = window_manager.get_mut(id) {
- window.raw.set_window_icon(conversion::icon(icon));
- }
+ }
+ window::Action::ChangeIcon(id, icon) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ window.raw.set_window_icon(conversion::icon(icon));
}
- window::Action::FetchMode(id, tag) => {
- if let Some(window) = window_manager.get_mut(id) {
- let mode = if window.raw.is_visible().unwrap_or(true) {
- conversion::mode(window.raw.fullscreen())
- } else {
- core::window::Mode::Hidden
- };
-
- proxy.send(tag(mode));
- }
+ }
+ window::Action::FetchMode(id, channel) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ let mode = if window.raw.is_visible().unwrap_or(true) {
+ conversion::mode(window.raw.fullscreen())
+ } else {
+ core::window::Mode::Hidden
+ };
+
+ let _ = channel.send(mode);
}
- window::Action::ToggleMaximize(id) => {
- if let Some(window) = window_manager.get_mut(id) {
- window.raw.set_maximized(!window.raw.is_maximized());
- }
+ }
+ window::Action::ToggleMaximize(id) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ window.raw.set_maximized(!window.raw.is_maximized());
}
- window::Action::ToggleDecorations(id) => {
- if let Some(window) = window_manager.get_mut(id) {
- window.raw.set_decorations(!window.raw.is_decorated());
- }
+ }
+ window::Action::ToggleDecorations(id) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ window.raw.set_decorations(!window.raw.is_decorated());
}
- window::Action::RequestUserAttention(id, attention_type) => {
- if let Some(window) = window_manager.get_mut(id) {
- window.raw.request_user_attention(
- attention_type.map(conversion::user_attention),
- );
- }
+ }
+ window::Action::RequestUserAttention(id, attention_type) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ window.raw.request_user_attention(
+ attention_type.map(conversion::user_attention),
+ );
}
- window::Action::GainFocus(id) => {
- if let Some(window) = window_manager.get_mut(id) {
- window.raw.focus_window();
- }
+ }
+ window::Action::GainFocus(id) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ window.raw.focus_window();
}
- window::Action::ChangeLevel(id, level) => {
- if let Some(window) = window_manager.get_mut(id) {
- window
- .raw
- .set_window_level(conversion::window_level(level));
- }
+ }
+ window::Action::ChangeLevel(id, level) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ window
+ .raw
+ .set_window_level(conversion::window_level(level));
}
- window::Action::ShowSystemMenu(id) => {
- if let Some(window) = window_manager.get_mut(id) {
- if let mouse::Cursor::Available(point) =
- window.state.cursor()
- {
- window.raw.show_window_menu(
- winit::dpi::LogicalPosition {
- x: point.x,
- y: point.y,
- },
- );
- }
+ }
+ window::Action::ShowSystemMenu(id) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ if let mouse::Cursor::Available(point) =
+ window.state.cursor()
+ {
+ window.raw.show_window_menu(
+ winit::dpi::LogicalPosition {
+ x: point.x,
+ y: point.y,
+ },
+ );
}
}
- window::Action::FetchId(id, tag) => {
- if let Some(window) = window_manager.get_mut(id) {
- proxy.send(tag(window.raw.id().into()));
- }
+ }
+ window::Action::FetchRawId(id, channel) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ let _ = channel.send(window.raw.id().into());
}
- window::Action::RunWithHandle(id, tag) => {
- use window::raw_window_handle::HasWindowHandle;
-
- if let Some(handle) = window_manager
- .get_mut(id)
- .and_then(|window| window.raw.window_handle().ok())
- {
- proxy.send(tag(handle));
- }
+ }
+ window::Action::RunWithHandle(id, f) => {
+ use window::raw_window_handle::HasWindowHandle;
+
+ if let Some(handle) = window_manager
+ .get_mut(id)
+ .and_then(|window| window.raw.window_handle().ok())
+ {
+ f(handle);
}
- window::Action::Screenshot(id, tag) => {
- if let Some(window) = window_manager.get_mut(id) {
- let bytes = compositor.screenshot(
- &mut window.renderer,
- &mut window.surface,
- window.state.viewport(),
- window.state.background_color(),
- &debug.overlay(),
- );
+ }
+ window::Action::Screenshot(id, channel) => {
+ if let Some(window) = window_manager.get_mut(id) {
+ let bytes = compositor.screenshot(
+ &mut window.renderer,
+ &mut window.surface,
+ window.state.viewport(),
+ window.state.background_color(),
+ &debug.overlay(),
+ );
- proxy.send(tag(window::Screenshot::new(
- bytes,
- window.state.physical_size(),
- window.state.viewport().scale_factor(),
- )));
- }
+ let _ = channel.send(window::Screenshot::new(
+ bytes,
+ window.state.physical_size(),
+ window.state.viewport().scale_factor(),
+ ));
}
- },
- command::Action::System(action) => match action {
- system::Action::QueryInformation(_tag) => {
- #[cfg(feature = "system")]
- {
- let graphics_info = compositor.fetch_information();
- let mut proxy = proxy.clone();
-
- let _ = std::thread::spawn(move || {
- let information =
- crate::system::information(graphics_info);
-
- let message = _tag(information);
-
- proxy.send(message);
- });
- }
+ }
+ },
+ Action::System(action) => match action {
+ system::Action::QueryInformation(_channel) => {
+ #[cfg(feature = "system")]
+ {
+ let graphics_info = compositor.fetch_information();
+
+ let _ = std::thread::spawn(move || {
+ let information =
+ crate::system::information(graphics_info);
+
+ let _ = _channel.send(information);
+ });
}
- },
- command::Action::Widget(action) => {
- let mut current_operation = Some(action);
-
- let mut uis = build_user_interfaces(
- application,
- debug,
- window_manager,
- std::mem::take(ui_caches),
- );
-
- while let Some(mut operation) = current_operation.take() {
- for (id, ui) in uis.iter_mut() {
- if let Some(window) = window_manager.get_mut(*id) {
- ui.operate(&window.renderer, operation.as_mut());
- }
+ }
+ },
+ Action::Widget(operation) => {
+ let mut current_operation = Some(operation);
+
+ while let Some(mut operation) = current_operation.take() {
+ for (id, ui) in interfaces.iter_mut() {
+ if let Some(window) = window_manager.get_mut(*id) {
+ ui.operate(&window.renderer, operation.as_mut());
}
+ }
- match operation.finish() {
- operation::Outcome::None => {}
- operation::Outcome::Some(message) => {
- proxy.send(message);
- }
- operation::Outcome::Chain(next) => {
- current_operation = Some(next);
- }
+ match operation.finish() {
+ operation::Outcome::None => {}
+ operation::Outcome::Some(()) => {}
+ operation::Outcome::Chain(next) => {
+ current_operation = Some(next);
}
}
-
- *ui_caches =
- uis.drain().map(|(id, ui)| (id, ui.into_cache())).collect();
}
- command::Action::LoadFont { bytes, tagger } => {
- // TODO: Error handling (?)
- compositor.load_font(bytes.clone());
+ }
+ Action::LoadFont { bytes, channel } => {
+ // TODO: Error handling (?)
+ compositor.load_font(bytes.clone());
- proxy.send(tagger(Ok(())));
- }
- command::Action::Custom(_) => {
- log::warn!("Unsupported custom action in `iced_winit` shell");
- }
+ let _ = channel.send(Ok(()));
}
}
}
generated by cgit (git 2.34.1) at 2025-04-08 20:24:17 +0000