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-rw-r--r--winit/src/program.rs257
1 files changed, 126 insertions, 131 deletions
diff --git a/winit/src/program.rs b/winit/src/program.rs
index 8d1eec3a..cc19a4e0 100644
--- a/winit/src/program.rs
+++ b/winit/src/program.rs
@@ -8,10 +8,11 @@ use crate::conversion;
use crate::core;
use crate::core::mouse;
use crate::core::renderer;
+use crate::core::theme;
use crate::core::time::Instant;
use crate::core::widget::operation;
use crate::core::window;
-use crate::core::{Color, Element, Point, Size, Theme};
+use crate::core::{Element, Point, Size};
use crate::futures::futures::channel::mpsc;
use crate::futures::futures::channel::oneshot;
use crate::futures::futures::task;
@@ -46,7 +47,7 @@ use std::sync::Arc;
pub trait Program
where
Self: Sized,
- Self::Theme: DefaultStyle,
+ Self::Theme: theme::Base,
{
/// The type of __messages__ your [`Program`] will produce.
type Message: std::fmt::Debug + Send;
@@ -106,8 +107,8 @@ where
fn theme(&self, window: window::Id) -> Self::Theme;
/// Returns the `Style` variation of the `Theme`.
- fn style(&self, theme: &Self::Theme) -> Appearance {
- theme.default_style()
+ fn style(&self, theme: &Self::Theme) -> theme::Style {
+ theme::Base::base(theme)
}
/// Returns the event `Subscription` for the current state of the
@@ -138,37 +139,6 @@ where
}
}
-/// The appearance of a program.
-#[derive(Debug, Clone, Copy, PartialEq)]
-pub struct Appearance {
- /// The background [`Color`] of the application.
- pub background_color: Color,
-
- /// The default text [`Color`] of the application.
- pub text_color: Color,
-}
-
-/// The default style of a [`Program`].
-pub trait DefaultStyle {
- /// Returns the default style of a [`Program`].
- fn default_style(&self) -> Appearance;
-}
-
-impl DefaultStyle for Theme {
- fn default_style(&self) -> Appearance {
- default(self)
- }
-}
-
-/// The default [`Appearance`] of a [`Program`] with the built-in [`Theme`].
-pub fn default(theme: &Theme) -> Appearance {
- let palette = theme.extended_palette();
-
- Appearance {
- background_color: palette.background.base.color,
- text_color: palette.background.base.text,
- }
-}
/// Runs a [`Program`] with an executor, compositor, and the provided
/// settings.
pub fn run<P, C>(
@@ -180,7 +150,7 @@ pub fn run<P, C>(
where
P: Program + 'static,
C: Compositor<Renderer = P::Renderer> + 'static,
- P::Theme: DefaultStyle,
+ P::Theme: theme::Base,
{
use winit::event_loop::EventLoop;
@@ -538,10 +508,25 @@ where
log::info!("Window attributes for id `{id:#?}`: {window_attributes:#?}");
+ // On macOS, the `position` in `WindowAttributes` represents the "inner"
+ // position of the window; while on other platforms it's the "outer" position.
+ // We fix the inconsistency on macOS by positioning the window after creation.
+ #[cfg(target_os = "macos")]
+ let mut window_attributes = window_attributes;
+
+ #[cfg(target_os = "macos")]
+ let position =
+ window_attributes.position.take();
+
let window = event_loop
.create_window(window_attributes)
.expect("Create window");
+ #[cfg(target_os = "macos")]
+ if let Some(position) = position {
+ window.set_outer_position(position);
+ }
+
#[cfg(target_arch = "wasm32")]
{
use winit::platform::web::WindowExtWebSys;
@@ -674,7 +659,7 @@ async fn run_instance<P, C>(
) where
P: Program + 'static,
C: Compositor<Renderer = P::Renderer> + 'static,
- P::Theme: DefaultStyle,
+ P::Theme: theme::Base,
{
use winit::event;
use winit::event_loop::ControlFlow;
@@ -758,12 +743,23 @@ async fn run_instance<P, C>(
}
Event::EventLoopAwakened(event) => {
match event {
+ event::Event::NewEvents(event::StartCause::Init) => {
+ for (_id, window) in window_manager.iter_mut() {
+ window.raw.request_redraw();
+ }
+ }
event::Event::NewEvents(
- event::StartCause::Init
- | event::StartCause::ResumeTimeReached { .. },
+ event::StartCause::ResumeTimeReached { .. },
) => {
+ let now = Instant::now();
+
for (_id, window) in window_manager.iter_mut() {
- window.raw.request_redraw();
+ if let Some(redraw_at) = window.redraw_at {
+ if redraw_at <= now {
+ window.raw.request_redraw();
+ window.redraw_at = None;
+ }
+ }
}
}
event::Event::PlatformSpecific(
@@ -807,11 +803,39 @@ async fn run_instance<P, C>(
continue;
};
- // TODO: Avoid redrawing all the time by forcing widgets to
- // request redraws on state changes
- //
- // Then, we can use the `interface_state` here to decide if a redraw
- // is needed right away, or simply wait until a specific time.
+ let physical_size = window.state.physical_size();
+
+ if physical_size.width == 0 || physical_size.height == 0
+ {
+ continue;
+ }
+
+ if window.viewport_version
+ != window.state.viewport_version()
+ {
+ let logical_size = window.state.logical_size();
+
+ debug.layout_started();
+ let ui = user_interfaces
+ .remove(&id)
+ .expect("Remove user interface");
+
+ let _ = user_interfaces.insert(
+ id,
+ ui.relayout(logical_size, &mut window.renderer),
+ );
+ debug.layout_finished();
+
+ compositor.configure_surface(
+ &mut window.surface,
+ physical_size.width,
+ physical_size.height,
+ );
+
+ window.viewport_version =
+ window.state.viewport_version();
+ }
+
let redraw_event = core::Event::Window(
window::Event::RedrawRequested(Instant::now()),
);
@@ -857,81 +881,18 @@ async fn run_instance<P, C>(
status: core::event::Status::Ignored,
});
- let _ = control_sender.start_send(Control::ChangeFlow(
- match ui_state {
- user_interface::State::Updated {
- redraw_request: Some(redraw_request),
- } => match redraw_request {
- window::RedrawRequest::NextFrame => {
- window.raw.request_redraw();
-
- ControlFlow::Wait
- }
- window::RedrawRequest::At(at) => {
- ControlFlow::WaitUntil(at)
- }
- },
- _ => ControlFlow::Wait,
- },
- ));
-
- let physical_size = window.state.physical_size();
-
- if physical_size.width == 0 || physical_size.height == 0
+ if let user_interface::State::Updated {
+ redraw_request: Some(redraw_request),
+ } = ui_state
{
- continue;
- }
-
- if window.viewport_version
- != window.state.viewport_version()
- {
- let logical_size = window.state.logical_size();
-
- debug.layout_started();
- let ui = user_interfaces
- .remove(&id)
- .expect("Remove user interface");
-
- let _ = user_interfaces.insert(
- id,
- ui.relayout(logical_size, &mut window.renderer),
- );
- debug.layout_finished();
-
- debug.draw_started();
- let new_mouse_interaction = user_interfaces
- .get_mut(&id)
- .expect("Get user interface")
- .draw(
- &mut window.renderer,
- window.state.theme(),
- &renderer::Style {
- text_color: window.state.text_color(),
- },
- window.state.cursor(),
- );
- debug.draw_finished();
-
- if new_mouse_interaction != window.mouse_interaction
- {
- window.raw.set_cursor(
- conversion::mouse_interaction(
- new_mouse_interaction,
- ),
- );
-
- window.mouse_interaction =
- new_mouse_interaction;
+ match redraw_request {
+ window::RedrawRequest::NextFrame => {
+ window.raw.request_redraw();
+ }
+ window::RedrawRequest::At(at) => {
+ window.redraw_at = Some(at);
+ }
}
-
- compositor.configure_surface(
- &mut window.surface,
- physical_size.width,
- physical_size.height,
- );
-
- window.viewport_version =
- window.state.viewport_version();
}
debug.render_started();
@@ -995,6 +956,13 @@ async fn run_instance<P, C>(
if matches!(
window_event,
+ winit::event::WindowEvent::Resized(_)
+ ) {
+ window.raw.request_redraw();
+ }
+
+ if matches!(
+ window_event,
winit::event::WindowEvent::CloseRequested
) && window.exit_on_close_request
{
@@ -1031,7 +999,10 @@ async fn run_instance<P, C>(
}
}
event::Event::AboutToWait => {
- if events.is_empty() && messages.is_empty() {
+ if events.is_empty()
+ && messages.is_empty()
+ && window_manager.is_idle()
+ {
continue;
}
@@ -1065,13 +1036,27 @@ async fn run_instance<P, C>(
&mut messages,
);
+ #[cfg(feature = "unconditional-rendering")]
window.raw.request_redraw();
- if !uis_stale {
- uis_stale = matches!(
- ui_state,
- user_interface::State::Outdated
- );
+ match ui_state {
+ #[cfg(not(
+ feature = "unconditional-rendering"
+ ))]
+ user_interface::State::Updated {
+ redraw_request: Some(redraw_request),
+ } => match redraw_request {
+ window::RedrawRequest::NextFrame => {
+ window.raw.request_redraw();
+ }
+ window::RedrawRequest::At(at) => {
+ window.redraw_at = Some(at);
+ }
+ },
+ user_interface::State::Outdated => {
+ uis_stale = true;
+ }
+ user_interface::State::Updated { .. } => {}
}
for (event, status) in window_events
@@ -1139,6 +1124,17 @@ async fn run_instance<P, C>(
actions = 0;
}
}
+
+ if let Some(redraw_at) = window_manager.redraw_at() {
+ let _ =
+ control_sender.start_send(Control::ChangeFlow(
+ ControlFlow::WaitUntil(redraw_at),
+ ));
+ } else {
+ let _ = control_sender.start_send(
+ Control::ChangeFlow(ControlFlow::Wait),
+ );
+ }
}
_ => {}
}
@@ -1159,7 +1155,7 @@ fn build_user_interface<'a, P: Program>(
id: window::Id,
) -> UserInterface<'a, P::Message, P::Theme, P::Renderer>
where
- P::Theme: DefaultStyle,
+ P::Theme: theme::Base,
{
debug.view_started();
let view = program.view(id);
@@ -1178,7 +1174,7 @@ fn update<P: Program, E: Executor>(
debug: &mut Debug,
messages: &mut Vec<P::Message>,
) where
- P::Theme: DefaultStyle,
+ P::Theme: theme::Base,
{
for message in messages.drain(..) {
debug.log_message(&message);
@@ -1215,7 +1211,7 @@ fn run_action<P, C>(
) where
P: Program,
C: Compositor<Renderer = P::Renderer> + 'static,
- P::Theme: DefaultStyle,
+ P::Theme: theme::Base,
{
use crate::runtime::clipboard;
use crate::runtime::system;
@@ -1329,7 +1325,7 @@ fn run_action<P, C>(
if let Some(window) = window_manager.get(id) {
let position = window
.raw
- .inner_position()
+ .outer_position()
.map(|position| {
let position = position
.to_logical::<f32>(window.raw.scale_factor());
@@ -1445,13 +1441,12 @@ fn run_action<P, C>(
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(),
);
- let _ = channel.send(window::Screenshot::new(
+ let _ = channel.send(core::window::Screenshot::new(
bytes,
window.state.physical_size(),
window.state.viewport().scale_factor(),
@@ -1526,7 +1521,7 @@ pub fn build_user_interfaces<'a, P: Program, C>(
) -> FxHashMap<window::Id, UserInterface<'a, P::Message, P::Theme, P::Renderer>>
where
C: Compositor<Renderer = P::Renderer>,
- P::Theme: DefaultStyle,
+ P::Theme: theme::Base,
{
cached_user_interfaces
.drain()