1use std::{
2 cell::{Ref, RefCell, RefMut},
3 ffi::c_void,
4 ptr::NonNull,
5 rc::Rc,
6 sync::Arc,
7};
8
9use collections::{FxHashSet, HashMap};
10use futures::channel::oneshot::Receiver;
11
12use raw_window_handle as rwh;
13use wayland_backend::client::ObjectId;
14use wayland_client::WEnum;
15use wayland_client::{Proxy, protocol::wl_surface};
16use wayland_protocols::wp::viewporter::client::wp_viewport;
17use wayland_protocols::xdg::decoration::zv1::client::zxdg_toplevel_decoration_v1;
18use wayland_protocols::xdg::shell::client::xdg_surface;
19use wayland_protocols::xdg::shell::client::xdg_toplevel::{self};
20use wayland_protocols::{
21 wp::fractional_scale::v1::client::wp_fractional_scale_v1,
22 xdg::dialog::v1::client::xdg_dialog_v1::XdgDialogV1,
23};
24use wayland_protocols_plasma::blur::client::org_kde_kwin_blur;
25use wayland_protocols_wlr::layer_shell::v1::client::zwlr_layer_surface_v1;
26
27use crate::linux::wayland::{display::WaylandDisplay, serial::SerialKind};
28use crate::linux::{Globals, Output, WaylandClientStatePtr, get_window};
29use gpui::{
30 AnyWindowHandle, Bounds, Capslock, Decorations, DevicePixels, GpuSpecs, Modifiers, Pixels,
31 PlatformAtlas, PlatformDisplay, PlatformInput, PlatformInputHandler, PlatformWindow, Point,
32 PromptButton, PromptLevel, RequestFrameOptions, ResizeEdge, Scene, Size, Tiling,
33 WindowAppearance, WindowBackgroundAppearance, WindowBounds, WindowControlArea, WindowControls,
34 WindowDecorations, WindowKind, WindowParams, layer_shell::LayerShellNotSupportedError, px,
35 size,
36};
37use gpui_wgpu::{WgpuContext, WgpuRenderer, WgpuSurfaceConfig};
38
39#[derive(Default)]
40pub(crate) struct Callbacks {
41 request_frame: Option<Box<dyn FnMut(RequestFrameOptions)>>,
42 input: Option<Box<dyn FnMut(gpui::PlatformInput) -> gpui::DispatchEventResult>>,
43 active_status_change: Option<Box<dyn FnMut(bool)>>,
44 hover_status_change: Option<Box<dyn FnMut(bool)>>,
45 resize: Option<Box<dyn FnMut(Size<Pixels>, f32)>>,
46 moved: Option<Box<dyn FnMut()>>,
47 should_close: Option<Box<dyn FnMut() -> bool>>,
48 close: Option<Box<dyn FnOnce()>>,
49 appearance_changed: Option<Box<dyn FnMut()>>,
50}
51
52struct RawWindow {
53 window: *mut c_void,
54 display: *mut c_void,
55}
56
57// Safety: The raw pointers in RawWindow point to Wayland surface/display
58// which are valid for the window's lifetime. These are used only for
59// passing to wgpu which needs Send+Sync for surface creation.
60unsafe impl Send for RawWindow {}
61unsafe impl Sync for RawWindow {}
62
63impl rwh::HasWindowHandle for RawWindow {
64 fn window_handle(&self) -> Result<rwh::WindowHandle<'_>, rwh::HandleError> {
65 let window = NonNull::new(self.window).unwrap();
66 let handle = rwh::WaylandWindowHandle::new(window);
67 Ok(unsafe { rwh::WindowHandle::borrow_raw(handle.into()) })
68 }
69}
70impl rwh::HasDisplayHandle for RawWindow {
71 fn display_handle(&self) -> Result<rwh::DisplayHandle<'_>, rwh::HandleError> {
72 let display = NonNull::new(self.display).unwrap();
73 let handle = rwh::WaylandDisplayHandle::new(display);
74 Ok(unsafe { rwh::DisplayHandle::borrow_raw(handle.into()) })
75 }
76}
77
78#[derive(Debug)]
79struct InProgressConfigure {
80 size: Option<Size<Pixels>>,
81 fullscreen: bool,
82 maximized: bool,
83 resizing: bool,
84 tiling: Tiling,
85}
86
87pub struct WaylandWindowState {
88 surface_state: WaylandSurfaceState,
89 acknowledged_first_configure: bool,
90 parent: Option<WaylandWindowStatePtr>,
91 children: FxHashSet<ObjectId>,
92 pub surface: wl_surface::WlSurface,
93 app_id: Option<String>,
94 appearance: WindowAppearance,
95 blur: Option<org_kde_kwin_blur::OrgKdeKwinBlur>,
96 viewport: Option<wp_viewport::WpViewport>,
97 outputs: HashMap<ObjectId, Output>,
98 display: Option<(ObjectId, Output)>,
99 globals: Globals,
100 renderer: WgpuRenderer,
101 bounds: Bounds<Pixels>,
102 scale: f32,
103 input_handler: Option<PlatformInputHandler>,
104 decorations: WindowDecorations,
105 background_appearance: WindowBackgroundAppearance,
106 fullscreen: bool,
107 maximized: bool,
108 tiling: Tiling,
109 window_bounds: Bounds<Pixels>,
110 client: WaylandClientStatePtr,
111 handle: AnyWindowHandle,
112 active: bool,
113 hovered: bool,
114 in_progress_configure: Option<InProgressConfigure>,
115 resize_throttle: bool,
116 in_progress_window_controls: Option<WindowControls>,
117 window_controls: WindowControls,
118 client_inset: Option<Pixels>,
119}
120
121pub enum WaylandSurfaceState {
122 Xdg(WaylandXdgSurfaceState),
123 LayerShell(WaylandLayerSurfaceState),
124}
125
126impl WaylandSurfaceState {
127 fn new(
128 surface: &wl_surface::WlSurface,
129 globals: &Globals,
130 params: &WindowParams,
131 parent: Option<WaylandWindowStatePtr>,
132 ) -> anyhow::Result<Self> {
133 // For layer_shell windows, create a layer surface instead of an xdg surface
134 if let WindowKind::LayerShell(options) = ¶ms.kind {
135 let Some(layer_shell) = globals.layer_shell.as_ref() else {
136 return Err(LayerShellNotSupportedError.into());
137 };
138
139 let layer_surface = layer_shell.get_layer_surface(
140 &surface,
141 None,
142 super::layer_shell::wayland_layer(options.layer),
143 options.namespace.clone(),
144 &globals.qh,
145 surface.id(),
146 );
147
148 let width = f32::from(params.bounds.size.width);
149 let height = f32::from(params.bounds.size.height);
150 layer_surface.set_size(width as u32, height as u32);
151
152 layer_surface.set_anchor(super::layer_shell::wayland_anchor(options.anchor));
153 layer_surface.set_keyboard_interactivity(
154 super::layer_shell::wayland_keyboard_interactivity(options.keyboard_interactivity),
155 );
156
157 if let Some(margin) = options.margin {
158 layer_surface.set_margin(
159 f32::from(margin.0) as i32,
160 f32::from(margin.1) as i32,
161 f32::from(margin.2) as i32,
162 f32::from(margin.3) as i32,
163 )
164 }
165
166 if let Some(exclusive_zone) = options.exclusive_zone {
167 layer_surface.set_exclusive_zone(f32::from(exclusive_zone) as i32);
168 }
169
170 if let Some(exclusive_edge) = options.exclusive_edge {
171 layer_surface
172 .set_exclusive_edge(super::layer_shell::wayland_anchor(exclusive_edge));
173 }
174
175 return Ok(WaylandSurfaceState::LayerShell(WaylandLayerSurfaceState {
176 layer_surface,
177 }));
178 }
179
180 // All other WindowKinds result in a regular xdg surface
181 let xdg_surface = globals
182 .wm_base
183 .get_xdg_surface(&surface, &globals.qh, surface.id());
184
185 let toplevel = xdg_surface.get_toplevel(&globals.qh, surface.id());
186 let xdg_parent = parent.as_ref().and_then(|w| w.toplevel());
187
188 if params.kind == WindowKind::Floating || params.kind == WindowKind::Dialog {
189 toplevel.set_parent(xdg_parent.as_ref());
190 }
191
192 let dialog = if params.kind == WindowKind::Dialog {
193 let dialog = globals.dialog.as_ref().map(|dialog| {
194 let xdg_dialog = dialog.get_xdg_dialog(&toplevel, &globals.qh, ());
195 xdg_dialog.set_modal();
196 xdg_dialog
197 });
198
199 if let Some(parent) = parent.as_ref() {
200 parent.add_child(surface.id());
201 }
202
203 dialog
204 } else {
205 None
206 };
207
208 if let Some(size) = params.window_min_size {
209 toplevel.set_min_size(f32::from(size.width) as i32, f32::from(size.height) as i32);
210 }
211
212 // Attempt to set up window decorations based on the requested configuration
213 let decoration = globals
214 .decoration_manager
215 .as_ref()
216 .map(|decoration_manager| {
217 decoration_manager.get_toplevel_decoration(&toplevel, &globals.qh, surface.id())
218 });
219
220 Ok(WaylandSurfaceState::Xdg(WaylandXdgSurfaceState {
221 xdg_surface,
222 toplevel,
223 decoration,
224 dialog,
225 }))
226 }
227}
228
229pub struct WaylandXdgSurfaceState {
230 xdg_surface: xdg_surface::XdgSurface,
231 toplevel: xdg_toplevel::XdgToplevel,
232 decoration: Option<zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1>,
233 dialog: Option<XdgDialogV1>,
234}
235
236pub struct WaylandLayerSurfaceState {
237 layer_surface: zwlr_layer_surface_v1::ZwlrLayerSurfaceV1,
238}
239
240impl WaylandSurfaceState {
241 fn ack_configure(&self, serial: u32) {
242 match self {
243 WaylandSurfaceState::Xdg(WaylandXdgSurfaceState { xdg_surface, .. }) => {
244 xdg_surface.ack_configure(serial);
245 }
246 WaylandSurfaceState::LayerShell(WaylandLayerSurfaceState { layer_surface, .. }) => {
247 layer_surface.ack_configure(serial);
248 }
249 }
250 }
251
252 fn decoration(&self) -> Option<&zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1> {
253 if let WaylandSurfaceState::Xdg(WaylandXdgSurfaceState { decoration, .. }) = self {
254 decoration.as_ref()
255 } else {
256 None
257 }
258 }
259
260 fn toplevel(&self) -> Option<&xdg_toplevel::XdgToplevel> {
261 if let WaylandSurfaceState::Xdg(WaylandXdgSurfaceState { toplevel, .. }) = self {
262 Some(toplevel)
263 } else {
264 None
265 }
266 }
267
268 fn set_geometry(&self, x: i32, y: i32, width: i32, height: i32) {
269 match self {
270 WaylandSurfaceState::Xdg(WaylandXdgSurfaceState { xdg_surface, .. }) => {
271 xdg_surface.set_window_geometry(x, y, width, height);
272 }
273 WaylandSurfaceState::LayerShell(WaylandLayerSurfaceState { layer_surface, .. }) => {
274 // cannot set window position of a layer surface
275 layer_surface.set_size(width as u32, height as u32);
276 }
277 }
278 }
279
280 fn destroy(&mut self) {
281 match self {
282 WaylandSurfaceState::Xdg(WaylandXdgSurfaceState {
283 xdg_surface,
284 toplevel,
285 decoration: _decoration,
286 dialog,
287 }) => {
288 // drop the dialog before toplevel so compositor can explicitly unapply it's effects
289 if let Some(dialog) = dialog {
290 dialog.destroy();
291 }
292
293 // The role object (toplevel) must always be destroyed before the xdg_surface.
294 // See https://wayland.app/protocols/xdg-shell#xdg_surface:request:destroy
295 toplevel.destroy();
296 xdg_surface.destroy();
297 }
298 WaylandSurfaceState::LayerShell(WaylandLayerSurfaceState { layer_surface }) => {
299 layer_surface.destroy();
300 }
301 }
302 }
303}
304
305#[derive(Clone)]
306pub struct WaylandWindowStatePtr {
307 state: Rc<RefCell<WaylandWindowState>>,
308 callbacks: Rc<RefCell<Callbacks>>,
309}
310
311impl WaylandWindowState {
312 pub(crate) fn new(
313 handle: AnyWindowHandle,
314 surface: wl_surface::WlSurface,
315 surface_state: WaylandSurfaceState,
316 appearance: WindowAppearance,
317 viewport: Option<wp_viewport::WpViewport>,
318 client: WaylandClientStatePtr,
319 globals: Globals,
320 gpu_context: &mut Option<WgpuContext>,
321 options: WindowParams,
322 parent: Option<WaylandWindowStatePtr>,
323 ) -> anyhow::Result<Self> {
324 let renderer = {
325 let raw_window = RawWindow {
326 window: surface.id().as_ptr().cast::<c_void>(),
327 display: surface
328 .backend()
329 .upgrade()
330 .unwrap()
331 .display_ptr()
332 .cast::<c_void>(),
333 };
334 let config = WgpuSurfaceConfig {
335 size: Size {
336 width: DevicePixels(f32::from(options.bounds.size.width) as i32),
337 height: DevicePixels(f32::from(options.bounds.size.height) as i32),
338 },
339 transparent: true,
340 };
341 WgpuRenderer::new(gpu_context, &raw_window, config)?
342 };
343
344 if let WaylandSurfaceState::Xdg(ref xdg_state) = surface_state {
345 if let Some(title) = options.titlebar.and_then(|titlebar| titlebar.title) {
346 xdg_state.toplevel.set_title(title.to_string());
347 }
348 // Set max window size based on the GPU's maximum texture dimension.
349 // This prevents the window from being resized larger than what the GPU can render.
350 let max_texture_size = renderer.max_texture_size() as i32;
351 xdg_state
352 .toplevel
353 .set_max_size(max_texture_size, max_texture_size);
354 }
355
356 Ok(Self {
357 surface_state,
358 acknowledged_first_configure: false,
359 parent,
360 children: FxHashSet::default(),
361 surface,
362 app_id: None,
363 blur: None,
364 viewport,
365 globals,
366 outputs: HashMap::default(),
367 display: None,
368 renderer,
369 bounds: options.bounds,
370 scale: 1.0,
371 input_handler: None,
372 decorations: WindowDecorations::Client,
373 background_appearance: WindowBackgroundAppearance::Opaque,
374 fullscreen: false,
375 maximized: false,
376 tiling: Tiling::default(),
377 window_bounds: options.bounds,
378 in_progress_configure: None,
379 resize_throttle: false,
380 client,
381 appearance,
382 handle,
383 active: false,
384 hovered: false,
385 in_progress_window_controls: None,
386 window_controls: WindowControls::default(),
387 client_inset: None,
388 })
389 }
390
391 pub fn is_transparent(&self) -> bool {
392 self.decorations == WindowDecorations::Client
393 || self.background_appearance != WindowBackgroundAppearance::Opaque
394 }
395
396 pub fn primary_output_scale(&mut self) -> i32 {
397 let mut scale = 1;
398 let mut current_output = self.display.take();
399 for (id, output) in self.outputs.iter() {
400 if let Some((_, output_data)) = ¤t_output {
401 if output.scale > output_data.scale {
402 current_output = Some((id.clone(), output.clone()));
403 }
404 } else {
405 current_output = Some((id.clone(), output.clone()));
406 }
407 scale = scale.max(output.scale);
408 }
409 self.display = current_output;
410 scale
411 }
412
413 pub fn inset(&self) -> Pixels {
414 match self.decorations {
415 WindowDecorations::Server => px(0.0),
416 WindowDecorations::Client => self.client_inset.unwrap_or(px(0.0)),
417 }
418 }
419}
420
421pub(crate) struct WaylandWindow(pub WaylandWindowStatePtr);
422pub enum ImeInput {
423 InsertText(String),
424 SetMarkedText(String),
425 UnmarkText,
426 DeleteText,
427}
428
429impl Drop for WaylandWindow {
430 fn drop(&mut self) {
431 let mut state = self.0.state.borrow_mut();
432 let surface_id = state.surface.id();
433 if let Some(parent) = state.parent.as_ref() {
434 parent.state.borrow_mut().children.remove(&surface_id);
435 }
436
437 let client = state.client.clone();
438
439 state.renderer.destroy();
440
441 // Destroy blur first, this has no dependencies.
442 if let Some(blur) = &state.blur {
443 blur.release();
444 }
445
446 // Decorations must be destroyed before the xdg state.
447 // See https://wayland.app/protocols/xdg-decoration-unstable-v1#zxdg_toplevel_decoration_v1
448 if let Some(decoration) = &state.surface_state.decoration() {
449 decoration.destroy();
450 }
451
452 // Surface state might contain xdg_toplevel/xdg_surface which can be destroyed now that
453 // decorations are gone. layer_surface has no dependencies.
454 state.surface_state.destroy();
455
456 // Viewport must be destroyed before the wl_surface.
457 // See https://wayland.app/protocols/viewporter#wp_viewport
458 if let Some(viewport) = &state.viewport {
459 viewport.destroy();
460 }
461
462 // The wl_surface itself should always be destroyed last.
463 state.surface.destroy();
464
465 let state_ptr = self.0.clone();
466 state
467 .globals
468 .executor
469 .spawn(async move {
470 state_ptr.close();
471 client.drop_window(&surface_id)
472 })
473 .detach();
474 drop(state);
475 }
476}
477
478impl WaylandWindow {
479 fn borrow(&self) -> Ref<'_, WaylandWindowState> {
480 self.0.state.borrow()
481 }
482
483 fn borrow_mut(&self) -> RefMut<'_, WaylandWindowState> {
484 self.0.state.borrow_mut()
485 }
486
487 pub fn new(
488 handle: AnyWindowHandle,
489 globals: Globals,
490 gpu_context: &mut Option<WgpuContext>,
491 client: WaylandClientStatePtr,
492 params: WindowParams,
493 appearance: WindowAppearance,
494 parent: Option<WaylandWindowStatePtr>,
495 ) -> anyhow::Result<(Self, ObjectId)> {
496 let surface = globals.compositor.create_surface(&globals.qh, ());
497 let surface_state = WaylandSurfaceState::new(&surface, &globals, ¶ms, parent.clone())?;
498
499 if let Some(fractional_scale_manager) = globals.fractional_scale_manager.as_ref() {
500 fractional_scale_manager.get_fractional_scale(&surface, &globals.qh, surface.id());
501 }
502
503 let viewport = globals
504 .viewporter
505 .as_ref()
506 .map(|viewporter| viewporter.get_viewport(&surface, &globals.qh, ()));
507
508 let this = Self(WaylandWindowStatePtr {
509 state: Rc::new(RefCell::new(WaylandWindowState::new(
510 handle,
511 surface.clone(),
512 surface_state,
513 appearance,
514 viewport,
515 client,
516 globals,
517 gpu_context,
518 params,
519 parent,
520 )?)),
521 callbacks: Rc::new(RefCell::new(Callbacks::default())),
522 });
523
524 // Kick things off
525 surface.commit();
526
527 Ok((this, surface.id()))
528 }
529}
530
531impl WaylandWindowStatePtr {
532 pub fn handle(&self) -> AnyWindowHandle {
533 self.state.borrow().handle
534 }
535
536 pub fn surface(&self) -> wl_surface::WlSurface {
537 self.state.borrow().surface.clone()
538 }
539
540 pub fn toplevel(&self) -> Option<xdg_toplevel::XdgToplevel> {
541 self.state.borrow().surface_state.toplevel().cloned()
542 }
543
544 pub fn ptr_eq(&self, other: &Self) -> bool {
545 Rc::ptr_eq(&self.state, &other.state)
546 }
547
548 pub fn add_child(&self, child: ObjectId) {
549 let mut state = self.state.borrow_mut();
550 state.children.insert(child);
551 }
552
553 pub fn is_blocked(&self) -> bool {
554 let state = self.state.borrow();
555 !state.children.is_empty()
556 }
557
558 pub fn frame(&self) {
559 let mut state = self.state.borrow_mut();
560 state.surface.frame(&state.globals.qh, state.surface.id());
561 state.resize_throttle = false;
562 drop(state);
563
564 let mut cb = self.callbacks.borrow_mut();
565 if let Some(fun) = cb.request_frame.as_mut() {
566 fun(Default::default());
567 }
568 }
569
570 pub fn handle_xdg_surface_event(&self, event: xdg_surface::Event) {
571 if let xdg_surface::Event::Configure { serial } = event {
572 {
573 let mut state = self.state.borrow_mut();
574 if let Some(window_controls) = state.in_progress_window_controls.take() {
575 state.window_controls = window_controls;
576
577 drop(state);
578 let mut callbacks = self.callbacks.borrow_mut();
579 if let Some(appearance_changed) = callbacks.appearance_changed.as_mut() {
580 appearance_changed();
581 }
582 }
583 }
584 {
585 let mut state = self.state.borrow_mut();
586
587 if let Some(mut configure) = state.in_progress_configure.take() {
588 let got_unmaximized = state.maximized && !configure.maximized;
589 state.fullscreen = configure.fullscreen;
590 state.maximized = configure.maximized;
591 state.tiling = configure.tiling;
592 // Limit interactive resizes to once per vblank
593 if configure.resizing && state.resize_throttle {
594 return;
595 } else if configure.resizing {
596 state.resize_throttle = true;
597 }
598 if !configure.fullscreen && !configure.maximized {
599 configure.size = if got_unmaximized {
600 Some(state.window_bounds.size)
601 } else {
602 compute_outer_size(state.inset(), configure.size, state.tiling)
603 };
604 if let Some(size) = configure.size {
605 state.window_bounds = Bounds {
606 origin: Point::default(),
607 size,
608 };
609 }
610 }
611 drop(state);
612 if let Some(size) = configure.size {
613 self.resize(size);
614 }
615 }
616 }
617 let mut state = self.state.borrow_mut();
618 state.surface_state.ack_configure(serial);
619
620 let window_geometry = inset_by_tiling(
621 state.bounds.map_origin(|_| px(0.0)),
622 state.inset(),
623 state.tiling,
624 )
625 .map(|v| f32::from(v) as i32)
626 .map_size(|v| if v <= 0 { 1 } else { v });
627
628 state.surface_state.set_geometry(
629 window_geometry.origin.x,
630 window_geometry.origin.y,
631 window_geometry.size.width,
632 window_geometry.size.height,
633 );
634
635 let request_frame_callback = !state.acknowledged_first_configure;
636 if request_frame_callback {
637 state.acknowledged_first_configure = true;
638 drop(state);
639 self.frame();
640 }
641 }
642 }
643
644 pub fn handle_toplevel_decoration_event(&self, event: zxdg_toplevel_decoration_v1::Event) {
645 if let zxdg_toplevel_decoration_v1::Event::Configure { mode } = event {
646 match mode {
647 WEnum::Value(zxdg_toplevel_decoration_v1::Mode::ServerSide) => {
648 self.state.borrow_mut().decorations = WindowDecorations::Server;
649 if let Some(appearance_changed) =
650 self.callbacks.borrow_mut().appearance_changed.as_mut()
651 {
652 appearance_changed();
653 }
654 }
655 WEnum::Value(zxdg_toplevel_decoration_v1::Mode::ClientSide) => {
656 self.state.borrow_mut().decorations = WindowDecorations::Client;
657 // Update background to be transparent
658 if let Some(appearance_changed) =
659 self.callbacks.borrow_mut().appearance_changed.as_mut()
660 {
661 appearance_changed();
662 }
663 }
664 WEnum::Value(_) => {
665 log::warn!("Unknown decoration mode");
666 }
667 WEnum::Unknown(v) => {
668 log::warn!("Unknown decoration mode: {}", v);
669 }
670 }
671 }
672 }
673
674 pub fn handle_fractional_scale_event(&self, event: wp_fractional_scale_v1::Event) {
675 if let wp_fractional_scale_v1::Event::PreferredScale { scale } = event {
676 self.rescale(scale as f32 / 120.0);
677 }
678 }
679
680 pub fn handle_toplevel_event(&self, event: xdg_toplevel::Event) -> bool {
681 match event {
682 xdg_toplevel::Event::Configure {
683 width,
684 height,
685 states,
686 } => {
687 let size = if width == 0 || height == 0 {
688 None
689 } else {
690 Some(size(px(width as f32), px(height as f32)))
691 };
692
693 let states = extract_states::<xdg_toplevel::State>(&states);
694
695 let mut tiling = Tiling::default();
696 let mut fullscreen = false;
697 let mut maximized = false;
698 let mut resizing = false;
699
700 for state in states {
701 match state {
702 xdg_toplevel::State::Maximized => {
703 maximized = true;
704 }
705 xdg_toplevel::State::Fullscreen => {
706 fullscreen = true;
707 }
708 xdg_toplevel::State::Resizing => resizing = true,
709 xdg_toplevel::State::TiledTop => {
710 tiling.top = true;
711 }
712 xdg_toplevel::State::TiledLeft => {
713 tiling.left = true;
714 }
715 xdg_toplevel::State::TiledRight => {
716 tiling.right = true;
717 }
718 xdg_toplevel::State::TiledBottom => {
719 tiling.bottom = true;
720 }
721 _ => {
722 // noop
723 }
724 }
725 }
726
727 if fullscreen || maximized {
728 tiling = Tiling::tiled();
729 }
730
731 let mut state = self.state.borrow_mut();
732 state.in_progress_configure = Some(InProgressConfigure {
733 size,
734 fullscreen,
735 maximized,
736 resizing,
737 tiling,
738 });
739
740 false
741 }
742 xdg_toplevel::Event::Close => {
743 let mut cb = self.callbacks.borrow_mut();
744 if let Some(mut should_close) = cb.should_close.take() {
745 let result = (should_close)();
746 cb.should_close = Some(should_close);
747 if result {
748 drop(cb);
749 self.close();
750 }
751 result
752 } else {
753 true
754 }
755 }
756 xdg_toplevel::Event::WmCapabilities { capabilities } => {
757 let mut window_controls = WindowControls::default();
758
759 let states = extract_states::<xdg_toplevel::WmCapabilities>(&capabilities);
760
761 for state in states {
762 match state {
763 xdg_toplevel::WmCapabilities::Maximize => {
764 window_controls.maximize = true;
765 }
766 xdg_toplevel::WmCapabilities::Minimize => {
767 window_controls.minimize = true;
768 }
769 xdg_toplevel::WmCapabilities::Fullscreen => {
770 window_controls.fullscreen = true;
771 }
772 xdg_toplevel::WmCapabilities::WindowMenu => {
773 window_controls.window_menu = true;
774 }
775 _ => {}
776 }
777 }
778
779 let mut state = self.state.borrow_mut();
780 state.in_progress_window_controls = Some(window_controls);
781 false
782 }
783 _ => false,
784 }
785 }
786
787 pub fn handle_layersurface_event(&self, event: zwlr_layer_surface_v1::Event) -> bool {
788 match event {
789 zwlr_layer_surface_v1::Event::Configure {
790 width,
791 height,
792 serial,
793 } => {
794 let size = if width == 0 || height == 0 {
795 None
796 } else {
797 Some(size(px(width as f32), px(height as f32)))
798 };
799
800 let mut state = self.state.borrow_mut();
801 state.in_progress_configure = Some(InProgressConfigure {
802 size,
803 fullscreen: false,
804 maximized: false,
805 resizing: false,
806 tiling: Tiling::default(),
807 });
808 drop(state);
809
810 // just do the same thing we'd do as an xdg_surface
811 self.handle_xdg_surface_event(xdg_surface::Event::Configure { serial });
812
813 false
814 }
815 zwlr_layer_surface_v1::Event::Closed => {
816 // unlike xdg, we don't have a choice here: the surface is closing.
817 true
818 }
819 _ => false,
820 }
821 }
822
823 #[allow(clippy::mutable_key_type)]
824 pub fn handle_surface_event(
825 &self,
826 event: wl_surface::Event,
827 outputs: HashMap<ObjectId, Output>,
828 ) {
829 let mut state = self.state.borrow_mut();
830
831 match event {
832 wl_surface::Event::Enter { output } => {
833 let id = output.id();
834
835 let Some(output) = outputs.get(&id) else {
836 return;
837 };
838
839 state.outputs.insert(id, output.clone());
840
841 let scale = state.primary_output_scale();
842
843 // We use `PreferredBufferScale` instead to set the scale if it's available
844 if state.surface.version() < wl_surface::EVT_PREFERRED_BUFFER_SCALE_SINCE {
845 state.surface.set_buffer_scale(scale);
846 drop(state);
847 self.rescale(scale as f32);
848 }
849 }
850 wl_surface::Event::Leave { output } => {
851 state.outputs.remove(&output.id());
852
853 let scale = state.primary_output_scale();
854
855 // We use `PreferredBufferScale` instead to set the scale if it's available
856 if state.surface.version() < wl_surface::EVT_PREFERRED_BUFFER_SCALE_SINCE {
857 state.surface.set_buffer_scale(scale);
858 drop(state);
859 self.rescale(scale as f32);
860 }
861 }
862 wl_surface::Event::PreferredBufferScale { factor } => {
863 // We use `WpFractionalScale` instead to set the scale if it's available
864 if state.globals.fractional_scale_manager.is_none() {
865 state.surface.set_buffer_scale(factor);
866 drop(state);
867 self.rescale(factor as f32);
868 }
869 }
870 _ => {}
871 }
872 }
873
874 pub fn handle_ime(&self, ime: ImeInput) {
875 if self.is_blocked() {
876 return;
877 }
878 let mut state = self.state.borrow_mut();
879 if let Some(mut input_handler) = state.input_handler.take() {
880 drop(state);
881 match ime {
882 ImeInput::InsertText(text) => {
883 input_handler.replace_text_in_range(None, &text);
884 }
885 ImeInput::SetMarkedText(text) => {
886 input_handler.replace_and_mark_text_in_range(None, &text, None);
887 }
888 ImeInput::UnmarkText => {
889 input_handler.unmark_text();
890 }
891 ImeInput::DeleteText => {
892 if let Some(marked) = input_handler.marked_text_range() {
893 input_handler.replace_text_in_range(Some(marked), "");
894 }
895 }
896 }
897 self.state.borrow_mut().input_handler = Some(input_handler);
898 }
899 }
900
901 pub fn get_ime_area(&self) -> Option<Bounds<Pixels>> {
902 let mut state = self.state.borrow_mut();
903 let mut bounds: Option<Bounds<Pixels>> = None;
904 if let Some(mut input_handler) = state.input_handler.take() {
905 drop(state);
906 if let Some(selection) = input_handler.marked_text_range() {
907 bounds = input_handler.bounds_for_range(selection.start..selection.start);
908 }
909 self.state.borrow_mut().input_handler = Some(input_handler);
910 }
911 bounds
912 }
913
914 pub fn set_size_and_scale(&self, size: Option<Size<Pixels>>, scale: Option<f32>) {
915 let (size, scale) = {
916 let mut state = self.state.borrow_mut();
917 if size.is_none_or(|size| size == state.bounds.size)
918 && scale.is_none_or(|scale| scale == state.scale)
919 {
920 return;
921 }
922 if let Some(size) = size {
923 state.bounds.size = size;
924 }
925 if let Some(scale) = scale {
926 state.scale = scale;
927 }
928 let device_bounds = state.bounds.to_device_pixels(state.scale);
929 state.renderer.update_drawable_size(device_bounds.size);
930 (state.bounds.size, state.scale)
931 };
932
933 if let Some(ref mut fun) = self.callbacks.borrow_mut().resize {
934 fun(size, scale);
935 }
936
937 {
938 let state = self.state.borrow();
939 if let Some(viewport) = &state.viewport {
940 viewport
941 .set_destination(f32::from(size.width) as i32, f32::from(size.height) as i32);
942 }
943 }
944 }
945
946 pub fn resize(&self, size: Size<Pixels>) {
947 self.set_size_and_scale(Some(size), None);
948 }
949
950 pub fn rescale(&self, scale: f32) {
951 self.set_size_and_scale(None, Some(scale));
952 }
953
954 pub fn close(&self) {
955 let state = self.state.borrow();
956 let client = state.client.get_client();
957 #[allow(clippy::mutable_key_type)]
958 let children = state.children.clone();
959 drop(state);
960
961 for child in children {
962 let mut client_state = client.borrow_mut();
963 let window = get_window(&mut client_state, &child);
964 drop(client_state);
965
966 if let Some(child) = window {
967 child.close();
968 }
969 }
970 let mut callbacks = self.callbacks.borrow_mut();
971 if let Some(fun) = callbacks.close.take() {
972 fun()
973 }
974 }
975
976 pub fn handle_input(&self, input: PlatformInput) {
977 if self.is_blocked() {
978 return;
979 }
980 if let Some(ref mut fun) = self.callbacks.borrow_mut().input
981 && !fun(input.clone()).propagate
982 {
983 return;
984 }
985 if let PlatformInput::KeyDown(event) = input
986 && event.keystroke.modifiers.is_subset_of(&Modifiers::shift())
987 && let Some(key_char) = &event.keystroke.key_char
988 {
989 let mut state = self.state.borrow_mut();
990 if let Some(mut input_handler) = state.input_handler.take() {
991 drop(state);
992 input_handler.replace_text_in_range(None, key_char);
993 self.state.borrow_mut().input_handler = Some(input_handler);
994 }
995 }
996 }
997
998 pub fn set_focused(&self, focus: bool) {
999 self.state.borrow_mut().active = focus;
1000 if let Some(ref mut fun) = self.callbacks.borrow_mut().active_status_change {
1001 fun(focus);
1002 }
1003 }
1004
1005 pub fn set_hovered(&self, focus: bool) {
1006 if let Some(ref mut fun) = self.callbacks.borrow_mut().hover_status_change {
1007 fun(focus);
1008 }
1009 }
1010
1011 pub fn set_appearance(&mut self, appearance: WindowAppearance) {
1012 self.state.borrow_mut().appearance = appearance;
1013
1014 let mut callbacks = self.callbacks.borrow_mut();
1015 if let Some(ref mut fun) = callbacks.appearance_changed {
1016 (fun)()
1017 }
1018 }
1019
1020 pub fn primary_output_scale(&self) -> i32 {
1021 self.state.borrow_mut().primary_output_scale()
1022 }
1023}
1024
1025fn extract_states<'a, S: TryFrom<u32> + 'a>(states: &'a [u8]) -> impl Iterator<Item = S> + 'a
1026where
1027 <S as TryFrom<u32>>::Error: 'a,
1028{
1029 states
1030 .chunks_exact(4)
1031 .flat_map(TryInto::<[u8; 4]>::try_into)
1032 .map(u32::from_ne_bytes)
1033 .flat_map(S::try_from)
1034}
1035
1036impl rwh::HasWindowHandle for WaylandWindow {
1037 fn window_handle(&self) -> Result<rwh::WindowHandle<'_>, rwh::HandleError> {
1038 let surface = self.0.surface().id().as_ptr() as *mut libc::c_void;
1039 let c_ptr = NonNull::new(surface).ok_or(rwh::HandleError::Unavailable)?;
1040 let handle = rwh::WaylandWindowHandle::new(c_ptr);
1041 let raw_handle = rwh::RawWindowHandle::Wayland(handle);
1042 Ok(unsafe { rwh::WindowHandle::borrow_raw(raw_handle) })
1043 }
1044}
1045
1046impl rwh::HasDisplayHandle for WaylandWindow {
1047 fn display_handle(&self) -> Result<rwh::DisplayHandle<'_>, rwh::HandleError> {
1048 let display = self
1049 .0
1050 .surface()
1051 .backend()
1052 .upgrade()
1053 .ok_or(rwh::HandleError::Unavailable)?
1054 .display_ptr() as *mut libc::c_void;
1055
1056 let c_ptr = NonNull::new(display).ok_or(rwh::HandleError::Unavailable)?;
1057 let handle = rwh::WaylandDisplayHandle::new(c_ptr);
1058 let raw_handle = rwh::RawDisplayHandle::Wayland(handle);
1059 Ok(unsafe { rwh::DisplayHandle::borrow_raw(raw_handle) })
1060 }
1061}
1062
1063impl PlatformWindow for WaylandWindow {
1064 fn bounds(&self) -> Bounds<Pixels> {
1065 self.borrow().bounds
1066 }
1067
1068 fn is_maximized(&self) -> bool {
1069 self.borrow().maximized
1070 }
1071
1072 fn window_bounds(&self) -> WindowBounds {
1073 let state = self.borrow();
1074 if state.fullscreen {
1075 WindowBounds::Fullscreen(state.window_bounds)
1076 } else if state.maximized {
1077 WindowBounds::Maximized(state.window_bounds)
1078 } else {
1079 drop(state);
1080 WindowBounds::Windowed(self.bounds())
1081 }
1082 }
1083
1084 fn inner_window_bounds(&self) -> WindowBounds {
1085 let state = self.borrow();
1086 if state.fullscreen {
1087 WindowBounds::Fullscreen(state.window_bounds)
1088 } else if state.maximized {
1089 WindowBounds::Maximized(state.window_bounds)
1090 } else {
1091 let inset = state.inset();
1092 drop(state);
1093 WindowBounds::Windowed(self.bounds().inset(inset))
1094 }
1095 }
1096
1097 fn content_size(&self) -> Size<Pixels> {
1098 self.borrow().bounds.size
1099 }
1100
1101 fn resize(&mut self, size: Size<Pixels>) {
1102 let state = self.borrow();
1103 let state_ptr = self.0.clone();
1104
1105 // Keep window geometry consistent with configure handling. On Wayland, window geometry is
1106 // surface-local: resizing should not attempt to translate the window; the compositor
1107 // controls placement. We also account for client-side decoration insets and tiling.
1108 let window_geometry = inset_by_tiling(
1109 Bounds {
1110 origin: Point::default(),
1111 size,
1112 },
1113 state.inset(),
1114 state.tiling,
1115 )
1116 .map(|v| f32::from(v) as i32)
1117 .map_size(|v| if v <= 0 { 1 } else { v });
1118
1119 state.surface_state.set_geometry(
1120 window_geometry.origin.x,
1121 window_geometry.origin.y,
1122 window_geometry.size.width,
1123 window_geometry.size.height,
1124 );
1125
1126 state
1127 .globals
1128 .executor
1129 .spawn(async move { state_ptr.resize(size) })
1130 .detach();
1131 }
1132
1133 fn scale_factor(&self) -> f32 {
1134 self.borrow().scale
1135 }
1136
1137 fn appearance(&self) -> WindowAppearance {
1138 self.borrow().appearance
1139 }
1140
1141 fn display(&self) -> Option<Rc<dyn PlatformDisplay>> {
1142 let state = self.borrow();
1143 state.display.as_ref().map(|(id, display)| {
1144 Rc::new(WaylandDisplay {
1145 id: id.clone(),
1146 name: display.name.clone(),
1147 bounds: display.bounds.to_pixels(state.scale),
1148 }) as Rc<dyn PlatformDisplay>
1149 })
1150 }
1151
1152 fn mouse_position(&self) -> Point<Pixels> {
1153 self.borrow()
1154 .client
1155 .get_client()
1156 .borrow()
1157 .mouse_location
1158 .unwrap_or_default()
1159 }
1160
1161 fn modifiers(&self) -> Modifiers {
1162 self.borrow().client.get_client().borrow().modifiers
1163 }
1164
1165 fn capslock(&self) -> Capslock {
1166 self.borrow().client.get_client().borrow().capslock
1167 }
1168
1169 fn set_input_handler(&mut self, input_handler: PlatformInputHandler) {
1170 self.borrow_mut().input_handler = Some(input_handler);
1171 }
1172
1173 fn take_input_handler(&mut self) -> Option<PlatformInputHandler> {
1174 self.borrow_mut().input_handler.take()
1175 }
1176
1177 fn prompt(
1178 &self,
1179 _level: PromptLevel,
1180 _msg: &str,
1181 _detail: Option<&str>,
1182 _answers: &[PromptButton],
1183 ) -> Option<Receiver<usize>> {
1184 None
1185 }
1186
1187 fn activate(&self) {
1188 // Try to request an activation token. Even though the activation is likely going to be rejected,
1189 // KWin and Mutter can use the app_id to visually indicate we're requesting attention.
1190 let state = self.borrow();
1191 if let (Some(activation), Some(app_id)) = (&state.globals.activation, state.app_id.clone())
1192 {
1193 state.client.set_pending_activation(state.surface.id());
1194 let token = activation.get_activation_token(&state.globals.qh, ());
1195 // The serial isn't exactly important here, since the activation is probably going to be rejected anyway.
1196 let serial = state.client.get_serial(SerialKind::MousePress);
1197 token.set_app_id(app_id);
1198 token.set_serial(serial, &state.globals.seat);
1199 token.set_surface(&state.surface);
1200 token.commit();
1201 }
1202 }
1203
1204 fn is_active(&self) -> bool {
1205 self.borrow().active
1206 }
1207
1208 fn is_hovered(&self) -> bool {
1209 self.borrow().hovered
1210 }
1211
1212 fn set_title(&mut self, title: &str) {
1213 if let Some(toplevel) = self.borrow().surface_state.toplevel() {
1214 toplevel.set_title(title.to_string());
1215 }
1216 }
1217
1218 fn set_app_id(&mut self, app_id: &str) {
1219 let mut state = self.borrow_mut();
1220 if let Some(toplevel) = state.surface_state.toplevel() {
1221 toplevel.set_app_id(app_id.to_owned());
1222 }
1223 state.app_id = Some(app_id.to_owned());
1224 }
1225
1226 fn set_background_appearance(&self, background_appearance: WindowBackgroundAppearance) {
1227 let mut state = self.borrow_mut();
1228 state.background_appearance = background_appearance;
1229 update_window(state);
1230 }
1231
1232 fn background_appearance(&self) -> WindowBackgroundAppearance {
1233 self.borrow().background_appearance
1234 }
1235
1236 fn is_subpixel_rendering_supported(&self) -> bool {
1237 let client = self.borrow().client.get_client();
1238 let state = client.borrow();
1239 state
1240 .gpu_context
1241 .as_ref()
1242 .is_some_and(|ctx| ctx.supports_dual_source_blending())
1243 }
1244
1245 fn minimize(&self) {
1246 if let Some(toplevel) = self.borrow().surface_state.toplevel() {
1247 toplevel.set_minimized();
1248 }
1249 }
1250
1251 fn zoom(&self) {
1252 let state = self.borrow();
1253 if let Some(toplevel) = state.surface_state.toplevel() {
1254 if !state.maximized {
1255 toplevel.set_maximized();
1256 } else {
1257 toplevel.unset_maximized();
1258 }
1259 }
1260 }
1261
1262 fn toggle_fullscreen(&self) {
1263 let state = self.borrow();
1264 if let Some(toplevel) = state.surface_state.toplevel() {
1265 if !state.fullscreen {
1266 toplevel.set_fullscreen(None);
1267 } else {
1268 toplevel.unset_fullscreen();
1269 }
1270 }
1271 }
1272
1273 fn is_fullscreen(&self) -> bool {
1274 self.borrow().fullscreen
1275 }
1276
1277 fn on_request_frame(&self, callback: Box<dyn FnMut(RequestFrameOptions)>) {
1278 self.0.callbacks.borrow_mut().request_frame = Some(callback);
1279 }
1280
1281 fn on_input(&self, callback: Box<dyn FnMut(PlatformInput) -> gpui::DispatchEventResult>) {
1282 self.0.callbacks.borrow_mut().input = Some(callback);
1283 }
1284
1285 fn on_active_status_change(&self, callback: Box<dyn FnMut(bool)>) {
1286 self.0.callbacks.borrow_mut().active_status_change = Some(callback);
1287 }
1288
1289 fn on_hover_status_change(&self, callback: Box<dyn FnMut(bool)>) {
1290 self.0.callbacks.borrow_mut().hover_status_change = Some(callback);
1291 }
1292
1293 fn on_resize(&self, callback: Box<dyn FnMut(Size<Pixels>, f32)>) {
1294 self.0.callbacks.borrow_mut().resize = Some(callback);
1295 }
1296
1297 fn on_moved(&self, callback: Box<dyn FnMut()>) {
1298 self.0.callbacks.borrow_mut().moved = Some(callback);
1299 }
1300
1301 fn on_should_close(&self, callback: Box<dyn FnMut() -> bool>) {
1302 self.0.callbacks.borrow_mut().should_close = Some(callback);
1303 }
1304
1305 fn on_close(&self, callback: Box<dyn FnOnce()>) {
1306 self.0.callbacks.borrow_mut().close = Some(callback);
1307 }
1308
1309 fn on_hit_test_window_control(&self, _callback: Box<dyn FnMut() -> Option<WindowControlArea>>) {
1310 }
1311
1312 fn on_appearance_changed(&self, callback: Box<dyn FnMut()>) {
1313 self.0.callbacks.borrow_mut().appearance_changed = Some(callback);
1314 }
1315
1316 fn draw(&self, scene: &Scene) {
1317 let mut state = self.borrow_mut();
1318 state.renderer.draw(scene);
1319 }
1320
1321 fn completed_frame(&self) {
1322 let state = self.borrow();
1323 state.surface.commit();
1324 }
1325
1326 fn sprite_atlas(&self) -> Arc<dyn PlatformAtlas> {
1327 let state = self.borrow();
1328 state.renderer.sprite_atlas().clone()
1329 }
1330
1331 fn show_window_menu(&self, position: Point<Pixels>) {
1332 let state = self.borrow();
1333 let serial = state.client.get_serial(SerialKind::MousePress);
1334 if let Some(toplevel) = state.surface_state.toplevel() {
1335 toplevel.show_window_menu(
1336 &state.globals.seat,
1337 serial,
1338 f32::from(position.x) as i32,
1339 f32::from(position.y) as i32,
1340 );
1341 }
1342 }
1343
1344 fn start_window_move(&self) {
1345 let state = self.borrow();
1346 let serial = state.client.get_serial(SerialKind::MousePress);
1347 if let Some(toplevel) = state.surface_state.toplevel() {
1348 toplevel._move(&state.globals.seat, serial);
1349 }
1350 }
1351
1352 fn start_window_resize(&self, edge: gpui::ResizeEdge) {
1353 let state = self.borrow();
1354 if let Some(toplevel) = state.surface_state.toplevel() {
1355 toplevel.resize(
1356 &state.globals.seat,
1357 state.client.get_serial(SerialKind::MousePress),
1358 edge.to_xdg(),
1359 )
1360 }
1361 }
1362
1363 fn window_decorations(&self) -> Decorations {
1364 let state = self.borrow();
1365 match state.decorations {
1366 WindowDecorations::Server => Decorations::Server,
1367 WindowDecorations::Client => Decorations::Client {
1368 tiling: state.tiling,
1369 },
1370 }
1371 }
1372
1373 fn request_decorations(&self, decorations: WindowDecorations) {
1374 let mut state = self.borrow_mut();
1375 match state.surface_state.decoration().as_ref() {
1376 Some(decoration) => {
1377 decoration.set_mode(decorations.to_xdg());
1378 state.decorations = decorations;
1379 update_window(state);
1380 }
1381 None => {
1382 if matches!(decorations, WindowDecorations::Server) {
1383 log::info!(
1384 "Server-side decorations requested, but the Wayland server does not support them. Falling back to client-side decorations."
1385 );
1386 }
1387 state.decorations = WindowDecorations::Client;
1388 update_window(state);
1389 }
1390 }
1391 }
1392
1393 fn window_controls(&self) -> WindowControls {
1394 self.borrow().window_controls
1395 }
1396
1397 fn set_client_inset(&self, inset: Pixels) {
1398 let mut state = self.borrow_mut();
1399 if Some(inset) != state.client_inset {
1400 state.client_inset = Some(inset);
1401 update_window(state);
1402 }
1403 }
1404
1405 fn update_ime_position(&self, bounds: Bounds<Pixels>) {
1406 let state = self.borrow();
1407 state.client.update_ime_position(bounds);
1408 }
1409
1410 fn gpu_specs(&self) -> Option<GpuSpecs> {
1411 self.borrow().renderer.gpu_specs().into()
1412 }
1413}
1414
1415fn update_window(mut state: RefMut<WaylandWindowState>) {
1416 let opaque = !state.is_transparent();
1417
1418 state.renderer.update_transparency(!opaque);
1419 let opaque_area = state.window_bounds.map(|v| f32::from(v) as i32);
1420 opaque_area.inset(f32::from(state.inset()) as i32);
1421
1422 let region = state
1423 .globals
1424 .compositor
1425 .create_region(&state.globals.qh, ());
1426 region.add(
1427 opaque_area.origin.x,
1428 opaque_area.origin.y,
1429 opaque_area.size.width,
1430 opaque_area.size.height,
1431 );
1432
1433 // Note that rounded corners make this rectangle API hard to work with.
1434 // As this is common when using CSD, let's just disable this API.
1435 if state.background_appearance == WindowBackgroundAppearance::Opaque
1436 && state.decorations == WindowDecorations::Server
1437 {
1438 // Promise the compositor that this region of the window surface
1439 // contains no transparent pixels. This allows the compositor to skip
1440 // updating whatever is behind the surface for better performance.
1441 state.surface.set_opaque_region(Some(®ion));
1442 } else {
1443 state.surface.set_opaque_region(None);
1444 }
1445
1446 if let Some(ref blur_manager) = state.globals.blur_manager {
1447 if state.background_appearance == WindowBackgroundAppearance::Blurred {
1448 if state.blur.is_none() {
1449 let blur = blur_manager.create(&state.surface, &state.globals.qh, ());
1450 state.blur = Some(blur);
1451 }
1452 state.blur.as_ref().unwrap().commit();
1453 } else {
1454 // It probably doesn't hurt to clear the blur for opaque windows
1455 blur_manager.unset(&state.surface);
1456 if let Some(b) = state.blur.take() {
1457 b.release()
1458 }
1459 }
1460 }
1461
1462 region.destroy();
1463}
1464
1465pub(crate) trait WindowDecorationsExt {
1466 fn to_xdg(self) -> zxdg_toplevel_decoration_v1::Mode;
1467}
1468
1469impl WindowDecorationsExt for WindowDecorations {
1470 fn to_xdg(self) -> zxdg_toplevel_decoration_v1::Mode {
1471 match self {
1472 WindowDecorations::Client => zxdg_toplevel_decoration_v1::Mode::ClientSide,
1473 WindowDecorations::Server => zxdg_toplevel_decoration_v1::Mode::ServerSide,
1474 }
1475 }
1476}
1477
1478pub(crate) trait ResizeEdgeWaylandExt {
1479 fn to_xdg(self) -> xdg_toplevel::ResizeEdge;
1480}
1481
1482impl ResizeEdgeWaylandExt for ResizeEdge {
1483 fn to_xdg(self) -> xdg_toplevel::ResizeEdge {
1484 match self {
1485 ResizeEdge::Top => xdg_toplevel::ResizeEdge::Top,
1486 ResizeEdge::TopRight => xdg_toplevel::ResizeEdge::TopRight,
1487 ResizeEdge::Right => xdg_toplevel::ResizeEdge::Right,
1488 ResizeEdge::BottomRight => xdg_toplevel::ResizeEdge::BottomRight,
1489 ResizeEdge::Bottom => xdg_toplevel::ResizeEdge::Bottom,
1490 ResizeEdge::BottomLeft => xdg_toplevel::ResizeEdge::BottomLeft,
1491 ResizeEdge::Left => xdg_toplevel::ResizeEdge::Left,
1492 ResizeEdge::TopLeft => xdg_toplevel::ResizeEdge::TopLeft,
1493 }
1494 }
1495}
1496
1497/// The configuration event is in terms of the window geometry, which we are constantly
1498/// updating to account for the client decorations. But that's not the area we want to render
1499/// to, due to our intrusize CSD. So, here we calculate the 'actual' size, by adding back in the insets
1500fn compute_outer_size(
1501 inset: Pixels,
1502 new_size: Option<Size<Pixels>>,
1503 tiling: Tiling,
1504) -> Option<Size<Pixels>> {
1505 new_size.map(|mut new_size| {
1506 if !tiling.top {
1507 new_size.height += inset;
1508 }
1509 if !tiling.bottom {
1510 new_size.height += inset;
1511 }
1512 if !tiling.left {
1513 new_size.width += inset;
1514 }
1515 if !tiling.right {
1516 new_size.width += inset;
1517 }
1518
1519 new_size
1520 })
1521}
1522
1523fn inset_by_tiling(mut bounds: Bounds<Pixels>, inset: Pixels, tiling: Tiling) -> Bounds<Pixels> {
1524 if !tiling.top {
1525 bounds.origin.y += inset;
1526 bounds.size.height -= inset;
1527 }
1528 if !tiling.bottom {
1529 bounds.size.height -= inset;
1530 }
1531 if !tiling.left {
1532 bounds.origin.x += inset;
1533 bounds.size.width -= inset;
1534 }
1535 if !tiling.right {
1536 bounds.size.width -= inset;
1537 }
1538
1539 bounds
1540}