/
mod.rs
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/
mod.rs
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use std::collections::VecDeque;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::{Arc, Mutex};
use sctk::reexports::client::protocol::wl_surface::WlSurface;
use sctk::reexports::client::Display;
use sctk::reexports::calloop;
use raw_window_handle::WaylandHandle;
use sctk::window::{Decorations, FallbackFrame};
use crate::dpi::{LogicalSize, PhysicalPosition, PhysicalSize, Position, Size};
use crate::error::{ExternalError, NotSupportedError, OsError as RootOsError};
use crate::monitor::MonitorHandle as RootMonitorHandle;
use crate::platform_impl::{
MonitorHandle as PlatformMonitorHandle, OsError,
PlatformSpecificWindowBuilderAttributes as PlatformAttributes,
};
use crate::window::{CursorIcon, Fullscreen, UserAttentionType, WindowAttributes};
use super::env::WindowingFeatures;
use super::event_loop::WinitState;
use super::output::{MonitorHandle, OutputManagerHandle};
use super::{EventLoopWindowTarget, WindowId};
pub mod shim;
use shim::{WindowHandle, WindowRequest, WindowUpdate};
pub struct Window {
/// Window id.
window_id: WindowId,
/// The Wayland display.
display: Display,
/// The underlying wl_surface.
surface: WlSurface,
/// The current window size.
size: Arc<Mutex<LogicalSize<u32>>>,
/// A handle to output manager.
output_manager_handle: OutputManagerHandle,
/// Event loop proxy to wake it up.
event_loop_awakener: calloop::ping::Ping,
/// Fullscreen state.
fullscreen: Arc<AtomicBool>,
/// Maximized state.
maximized: Arc<AtomicBool>,
/// Available windowing features.
windowing_features: WindowingFeatures,
/// Requests that SCTK window should perform.
window_requests: Arc<Mutex<Vec<WindowRequest>>>,
}
impl Window {
pub fn new<T>(
event_loop_window_target: &EventLoopWindowTarget<T>,
attributes: WindowAttributes,
platform_attributes: PlatformAttributes,
) -> Result<Self, RootOsError> {
let surface = event_loop_window_target
.env
.create_surface_with_scale_callback(move |scale, surface, mut dispatch_data| {
let winit_state = dispatch_data.get::<WinitState>().unwrap();
// Get the window that receiced the event.
let window_id = super::make_wid(&surface);
let mut window_update = winit_state.window_updates.get_mut(&window_id).unwrap();
// Set pending scale factor.
window_update.scale_factor = Some(scale);
window_update.redraw_requested = true;
surface.set_buffer_scale(scale);
})
.detach();
let scale_factor = sctk::get_surface_scale_factor(&surface);
let window_id = super::make_wid(&surface);
let maximized = Arc::new(AtomicBool::new(false));
let maximzied_clone = maximized.clone();
let fullscreen = Arc::new(AtomicBool::new(false));
let fullscreen_clone = fullscreen.clone();
let (width, height) = attributes
.inner_size
.map(|size| size.to_logical::<f64>(scale_factor as f64).into())
.unwrap_or((800, 600));
let theme_manager = event_loop_window_target.theme_manager.clone();
let mut window = event_loop_window_target
.env
.create_window::<FallbackFrame, _>(
surface.clone(),
Some(theme_manager),
(width, height),
move |event, mut dispatch_data| {
use sctk::window::{Event, State};
let winit_state = dispatch_data.get::<WinitState>().unwrap();
let mut window_update = winit_state.window_updates.get_mut(&window_id).unwrap();
match event {
Event::Refresh => {
window_update.refresh_frame = true;
}
Event::Configure { new_size, states } => {
let is_maximized = states.contains(&State::Maximized);
maximzied_clone.store(is_maximized, Ordering::Relaxed);
let is_fullscreen = states.contains(&State::Fullscreen);
fullscreen_clone.store(is_fullscreen, Ordering::Relaxed);
window_update.refresh_frame = true;
window_update.redraw_requested = true;
if let Some((w, h)) = new_size {
window_update.size = Some(LogicalSize::new(w, h));
}
}
Event::Close => {
window_update.close_window = true;
}
}
},
)
.map_err(|_| os_error!(OsError::WaylandMisc("failed to create window.")))?;
// Set decorations.
if attributes.decorations {
window.set_decorate(Decorations::FollowServer);
} else {
window.set_decorate(Decorations::None);
}
// Without this commit here at least on kwin 5.23.3 the initial configure
// will have a size (1,1), the second configure including the decoration
// mode will have the min_size as its size. With this commit the initial
// configure will have no size, the application will draw it's content
// with the initial size and everything works as expected afterwards.
window.surface().commit();
// Min dimensions.
let min_size = attributes
.min_inner_size
.map(|size| size.to_logical::<f64>(scale_factor as f64).into());
window.set_min_size(min_size);
// Max dimensions.
let max_size = attributes
.max_inner_size
.map(|size| size.to_logical::<f64>(scale_factor as f64).into());
window.set_max_size(max_size);
// Set Wayland specific window attributes.
if let Some(app_id) = platform_attributes.app_id {
window.set_app_id(app_id);
}
// Set common window attributes.
//
// We set resizable after other attributes, since it touches min and max size under
// the hood.
window.set_resizable(attributes.resizable);
window.set_title(attributes.title);
// Set fullscreen/maximized if so was requested.
match attributes.fullscreen {
Some(Fullscreen::Exclusive(_)) => {
warn!("`Fullscreen::Exclusive` is ignored on Wayland")
}
Some(Fullscreen::Borderless(monitor)) => {
let monitor =
monitor.and_then(|RootMonitorHandle { inner: monitor }| match monitor {
PlatformMonitorHandle::Wayland(monitor) => Some(monitor.proxy),
#[cfg(feature = "x11")]
PlatformMonitorHandle::X(_) => None,
});
window.set_fullscreen(monitor.as_ref());
}
None => {
if attributes.maximized {
window.set_maximized();
}
}
}
let size = Arc::new(Mutex::new(LogicalSize::new(width, height)));
// We should trigger redraw and commit the surface for the newly created window.
let mut window_update = WindowUpdate::new();
window_update.refresh_frame = true;
window_update.redraw_requested = true;
let window_id = super::make_wid(&surface);
let window_requests = Arc::new(Mutex::new(Vec::with_capacity(64)));
// Create a handle that performs all the requests on underlying sctk a window.
let window_handle = WindowHandle::new(
&event_loop_window_target.env,
window,
size.clone(),
window_requests.clone(),
);
let mut winit_state = event_loop_window_target.state.borrow_mut();
winit_state.window_map.insert(window_id, window_handle);
winit_state
.window_updates
.insert(window_id, WindowUpdate::new());
let windowing_features = event_loop_window_target.windowing_features;
// To make our window usable for drawing right away we must `ack` a `configure`
// from the server, the acking part here is done by SCTK window frame, so we just
// need to sync with server so it'll be done automatically for us.
{
let mut wayland_source = event_loop_window_target.wayland_dispatcher.as_source_mut();
let event_queue = wayland_source.queue();
let _ = event_queue.sync_roundtrip(&mut *winit_state, |_, _, _| unreachable!());
}
// We all praise GNOME for these 3 lines of pure magic. If we don't do that,
// GNOME will shrink our window a bit for the size of the decorations. I guess it
// happens because we haven't committed them with buffers to the server.
let window_handle = winit_state.window_map.get_mut(&window_id).unwrap();
window_handle.window.refresh();
let output_manager_handle = event_loop_window_target.output_manager.handle();
let window = Self {
window_id,
surface,
display: event_loop_window_target.display.clone(),
output_manager_handle,
size,
window_requests,
event_loop_awakener: event_loop_window_target.event_loop_awakener.clone(),
fullscreen,
maximized,
windowing_features,
};
Ok(window)
}
}
impl Window {
#[inline]
pub fn id(&self) -> WindowId {
self.window_id
}
#[inline]
pub fn set_title(&self, title: &str) {
self.send_request(WindowRequest::Title(title.to_owned()));
}
#[inline]
pub fn set_visible(&self, _visible: bool) {
// Not possible on Wayland.
}
#[inline]
pub fn outer_position(&self) -> Result<PhysicalPosition<i32>, NotSupportedError> {
Err(NotSupportedError::new())
}
#[inline]
pub fn inner_position(&self) -> Result<PhysicalPosition<i32>, NotSupportedError> {
Err(NotSupportedError::new())
}
#[inline]
pub fn set_outer_position(&self, _: Position) {
// Not possible on Wayland.
}
pub fn inner_size(&self) -> PhysicalSize<u32> {
self.size
.lock()
.unwrap()
.to_physical(self.scale_factor() as f64)
}
#[inline]
pub fn request_redraw(&self) {
self.send_request(WindowRequest::Redraw);
}
#[inline]
pub fn outer_size(&self) -> PhysicalSize<u32> {
self.size
.lock()
.unwrap()
.to_physical(self.scale_factor() as f64)
}
#[inline]
pub fn set_inner_size(&self, size: Size) {
let scale_factor = self.scale_factor() as f64;
let size = size.to_logical::<u32>(scale_factor);
*self.size.lock().unwrap() = size;
self.send_request(WindowRequest::FrameSize(size));
}
#[inline]
pub fn set_min_inner_size(&self, dimensions: Option<Size>) {
let scale_factor = self.scale_factor() as f64;
let size = dimensions.map(|size| size.to_logical::<u32>(scale_factor));
self.send_request(WindowRequest::MinSize(size));
}
#[inline]
pub fn set_max_inner_size(&self, dimensions: Option<Size>) {
let scale_factor = self.scale_factor() as f64;
let size = dimensions.map(|size| size.to_logical::<u32>(scale_factor));
self.send_request(WindowRequest::MaxSize(size));
}
#[inline]
pub fn set_resizable(&self, resizable: bool) {
self.send_request(WindowRequest::Resizeable(resizable));
}
#[inline]
pub fn scale_factor(&self) -> u32 {
// The scale factor from `get_surface_scale_factor` is always greater than zero, so
// u32 conversion is safe.
sctk::get_surface_scale_factor(&self.surface) as u32
}
#[inline]
pub fn set_decorations(&self, decorate: bool) {
self.send_request(WindowRequest::Decorate(decorate));
}
#[inline]
pub fn set_minimized(&self, minimized: bool) {
// You can't unminimize the window on Wayland.
if !minimized {
return;
}
self.send_request(WindowRequest::Minimize);
}
#[inline]
pub fn is_maximized(&self) -> bool {
self.maximized.load(Ordering::Relaxed)
}
#[inline]
pub fn set_maximized(&self, maximized: bool) {
self.send_request(WindowRequest::Maximize(maximized));
}
#[inline]
pub fn fullscreen(&self) -> Option<Fullscreen> {
if self.fullscreen.load(Ordering::Relaxed) {
let current_monitor = self.current_monitor().map(|monitor| RootMonitorHandle {
inner: PlatformMonitorHandle::Wayland(monitor),
});
Some(Fullscreen::Borderless(current_monitor))
} else {
None
}
}
#[inline]
pub fn set_fullscreen(&self, fullscreen: Option<Fullscreen>) {
let fullscreen_request = match fullscreen {
Some(Fullscreen::Exclusive(_)) => {
warn!("`Fullscreen::Exclusive` is ignored on Wayland");
return;
}
Some(Fullscreen::Borderless(monitor)) => {
let monitor =
monitor.and_then(|RootMonitorHandle { inner: monitor }| match monitor {
PlatformMonitorHandle::Wayland(monitor) => Some(monitor.proxy),
#[cfg(feature = "x11")]
PlatformMonitorHandle::X(_) => None,
});
WindowRequest::Fullscreen(monitor)
}
None => WindowRequest::UnsetFullscreen,
};
self.send_request(fullscreen_request);
}
#[inline]
pub fn set_cursor_icon(&self, cursor: CursorIcon) {
self.send_request(WindowRequest::NewCursorIcon(cursor));
}
#[inline]
pub fn set_cursor_visible(&self, visible: bool) {
self.send_request(WindowRequest::ShowCursor(visible));
}
#[inline]
pub fn set_cursor_grab(&self, grab: bool) -> Result<(), ExternalError> {
if !self.windowing_features.cursor_grab() {
return Err(ExternalError::NotSupported(NotSupportedError::new()));
}
self.send_request(WindowRequest::GrabCursor(grab));
Ok(())
}
pub fn request_user_attention(&self, request_type: Option<UserAttentionType>) {
if !self.windowing_features.xdg_activation() {
warn!("`request_user_attention` isn't supported");
return;
}
self.send_request(WindowRequest::Attention(request_type));
}
#[inline]
pub fn set_cursor_position(&self, _: Position) -> Result<(), ExternalError> {
// XXX This is possible if the locked pointer is being used. We don't have any
// API for that right now, but it could be added in
// https://github.com/rust-windowing/winit/issues/1677.
//
// This function is essential for the locked pointer API.
//
// See pointer-constraints-unstable-v1.xml.
Err(ExternalError::NotSupported(NotSupportedError::new()))
}
#[inline]
pub fn drag_window(&self) -> Result<(), ExternalError> {
self.send_request(WindowRequest::DragWindow);
Ok(())
}
#[inline]
pub fn set_ime_position(&self, position: Position) {
let scale_factor = self.scale_factor() as f64;
let position = position.to_logical(scale_factor);
self.send_request(WindowRequest::IMEPosition(position));
}
#[inline]
pub fn display(&self) -> &Display {
&self.display
}
#[inline]
pub fn surface(&self) -> &WlSurface {
&self.surface
}
#[inline]
pub fn current_monitor(&self) -> Option<MonitorHandle> {
let output = sctk::get_surface_outputs(&self.surface).last()?.clone();
Some(MonitorHandle::new(output))
}
#[inline]
pub fn available_monitors(&self) -> VecDeque<MonitorHandle> {
self.output_manager_handle.available_outputs()
}
#[inline]
pub fn primary_monitor(&self) -> Option<RootMonitorHandle> {
None
}
#[inline]
pub fn raw_window_handle(&self) -> WaylandHandle {
let mut handle = WaylandHandle::empty();
handle.display = self.display.get_display_ptr() as *mut _;
handle.surface = self.surface.as_ref().c_ptr() as *mut _;
handle
}
#[inline]
fn send_request(&self, request: WindowRequest) {
self.window_requests.lock().unwrap().push(request);
self.event_loop_awakener.ping();
}
}
impl Drop for Window {
fn drop(&mut self) {
self.send_request(WindowRequest::Close);
}
}