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 }
349
350 Ok(Self {
351 surface_state,
352 acknowledged_first_configure: false,
353 parent,
354 children: FxHashSet::default(),
355 surface,
356 app_id: None,
357 blur: None,
358 viewport,
359 globals,
360 outputs: HashMap::default(),
361 display: None,
362 renderer,
363 bounds: options.bounds,
364 scale: 1.0,
365 input_handler: None,
366 decorations: WindowDecorations::Client,
367 background_appearance: WindowBackgroundAppearance::Opaque,
368 fullscreen: false,
369 maximized: false,
370 tiling: Tiling::default(),
371 window_bounds: options.bounds,
372 in_progress_configure: None,
373 resize_throttle: false,
374 client,
375 appearance,
376 handle,
377 active: false,
378 hovered: false,
379 in_progress_window_controls: None,
380 window_controls: WindowControls::default(),
381 client_inset: None,
382 })
383 }
384
385 pub fn is_transparent(&self) -> bool {
386 self.decorations == WindowDecorations::Client
387 || self.background_appearance != WindowBackgroundAppearance::Opaque
388 }
389
390 pub fn primary_output_scale(&mut self) -> i32 {
391 let mut scale = 1;
392 let mut current_output = self.display.take();
393 for (id, output) in self.outputs.iter() {
394 if let Some((_, output_data)) = ¤t_output {
395 if output.scale > output_data.scale {
396 current_output = Some((id.clone(), output.clone()));
397 }
398 } else {
399 current_output = Some((id.clone(), output.clone()));
400 }
401 scale = scale.max(output.scale);
402 }
403 self.display = current_output;
404 scale
405 }
406
407 pub fn inset(&self) -> Pixels {
408 match self.decorations {
409 WindowDecorations::Server => px(0.0),
410 WindowDecorations::Client => self.client_inset.unwrap_or(px(0.0)),
411 }
412 }
413}
414
415pub(crate) struct WaylandWindow(pub WaylandWindowStatePtr);
416pub enum ImeInput {
417 InsertText(String),
418 SetMarkedText(String),
419 UnmarkText,
420 DeleteText,
421}
422
423impl Drop for WaylandWindow {
424 fn drop(&mut self) {
425 let mut state = self.0.state.borrow_mut();
426 let surface_id = state.surface.id();
427 if let Some(parent) = state.parent.as_ref() {
428 parent.state.borrow_mut().children.remove(&surface_id);
429 }
430
431 let client = state.client.clone();
432
433 state.renderer.destroy();
434
435 // Destroy blur first, this has no dependencies.
436 if let Some(blur) = &state.blur {
437 blur.release();
438 }
439
440 // Decorations must be destroyed before the xdg state.
441 // See https://wayland.app/protocols/xdg-decoration-unstable-v1#zxdg_toplevel_decoration_v1
442 if let Some(decoration) = &state.surface_state.decoration() {
443 decoration.destroy();
444 }
445
446 // Surface state might contain xdg_toplevel/xdg_surface which can be destroyed now that
447 // decorations are gone. layer_surface has no dependencies.
448 state.surface_state.destroy();
449
450 // Viewport must be destroyed before the wl_surface.
451 // See https://wayland.app/protocols/viewporter#wp_viewport
452 if let Some(viewport) = &state.viewport {
453 viewport.destroy();
454 }
455
456 // The wl_surface itself should always be destroyed last.
457 state.surface.destroy();
458
459 let state_ptr = self.0.clone();
460 state
461 .globals
462 .executor
463 .spawn(async move {
464 state_ptr.close();
465 client.drop_window(&surface_id)
466 })
467 .detach();
468 drop(state);
469 }
470}
471
472impl WaylandWindow {
473 fn borrow(&self) -> Ref<'_, WaylandWindowState> {
474 self.0.state.borrow()
475 }
476
477 fn borrow_mut(&self) -> RefMut<'_, WaylandWindowState> {
478 self.0.state.borrow_mut()
479 }
480
481 pub fn new(
482 handle: AnyWindowHandle,
483 globals: Globals,
484 gpu_context: &mut Option<WgpuContext>,
485 client: WaylandClientStatePtr,
486 params: WindowParams,
487 appearance: WindowAppearance,
488 parent: Option<WaylandWindowStatePtr>,
489 ) -> anyhow::Result<(Self, ObjectId)> {
490 let surface = globals.compositor.create_surface(&globals.qh, ());
491 let surface_state = WaylandSurfaceState::new(&surface, &globals, ¶ms, parent.clone())?;
492
493 if let Some(fractional_scale_manager) = globals.fractional_scale_manager.as_ref() {
494 fractional_scale_manager.get_fractional_scale(&surface, &globals.qh, surface.id());
495 }
496
497 let viewport = globals
498 .viewporter
499 .as_ref()
500 .map(|viewporter| viewporter.get_viewport(&surface, &globals.qh, ()));
501
502 let this = Self(WaylandWindowStatePtr {
503 state: Rc::new(RefCell::new(WaylandWindowState::new(
504 handle,
505 surface.clone(),
506 surface_state,
507 appearance,
508 viewport,
509 client,
510 globals,
511 gpu_context,
512 params,
513 parent,
514 )?)),
515 callbacks: Rc::new(RefCell::new(Callbacks::default())),
516 });
517
518 // Kick things off
519 surface.commit();
520
521 Ok((this, surface.id()))
522 }
523}
524
525impl WaylandWindowStatePtr {
526 pub fn handle(&self) -> AnyWindowHandle {
527 self.state.borrow().handle
528 }
529
530 pub fn surface(&self) -> wl_surface::WlSurface {
531 self.state.borrow().surface.clone()
532 }
533
534 pub fn toplevel(&self) -> Option<xdg_toplevel::XdgToplevel> {
535 self.state.borrow().surface_state.toplevel().cloned()
536 }
537
538 pub fn ptr_eq(&self, other: &Self) -> bool {
539 Rc::ptr_eq(&self.state, &other.state)
540 }
541
542 pub fn add_child(&self, child: ObjectId) {
543 let mut state = self.state.borrow_mut();
544 state.children.insert(child);
545 }
546
547 pub fn is_blocked(&self) -> bool {
548 let state = self.state.borrow();
549 !state.children.is_empty()
550 }
551
552 pub fn frame(&self) {
553 let mut state = self.state.borrow_mut();
554 state.surface.frame(&state.globals.qh, state.surface.id());
555 state.resize_throttle = false;
556 drop(state);
557
558 let mut cb = self.callbacks.borrow_mut();
559 if let Some(fun) = cb.request_frame.as_mut() {
560 fun(Default::default());
561 }
562 }
563
564 pub fn handle_xdg_surface_event(&self, event: xdg_surface::Event) {
565 if let xdg_surface::Event::Configure { serial } = event {
566 {
567 let mut state = self.state.borrow_mut();
568 if let Some(window_controls) = state.in_progress_window_controls.take() {
569 state.window_controls = window_controls;
570
571 drop(state);
572 let mut callbacks = self.callbacks.borrow_mut();
573 if let Some(appearance_changed) = callbacks.appearance_changed.as_mut() {
574 appearance_changed();
575 }
576 }
577 }
578 {
579 let mut state = self.state.borrow_mut();
580
581 if let Some(mut configure) = state.in_progress_configure.take() {
582 let got_unmaximized = state.maximized && !configure.maximized;
583 state.fullscreen = configure.fullscreen;
584 state.maximized = configure.maximized;
585 state.tiling = configure.tiling;
586 // Limit interactive resizes to once per vblank
587 if configure.resizing && state.resize_throttle {
588 return;
589 } else if configure.resizing {
590 state.resize_throttle = true;
591 }
592 if !configure.fullscreen && !configure.maximized {
593 configure.size = if got_unmaximized {
594 Some(state.window_bounds.size)
595 } else {
596 compute_outer_size(state.inset(), configure.size, state.tiling)
597 };
598 if let Some(size) = configure.size {
599 state.window_bounds = Bounds {
600 origin: Point::default(),
601 size,
602 };
603 }
604 }
605 drop(state);
606 if let Some(size) = configure.size {
607 self.resize(size);
608 }
609 }
610 }
611 let mut state = self.state.borrow_mut();
612 state.surface_state.ack_configure(serial);
613
614 let window_geometry = inset_by_tiling(
615 state.bounds.map_origin(|_| px(0.0)),
616 state.inset(),
617 state.tiling,
618 )
619 .map(|v| f32::from(v) as i32)
620 .map_size(|v| if v <= 0 { 1 } else { v });
621
622 state.surface_state.set_geometry(
623 window_geometry.origin.x,
624 window_geometry.origin.y,
625 window_geometry.size.width,
626 window_geometry.size.height,
627 );
628
629 let request_frame_callback = !state.acknowledged_first_configure;
630 if request_frame_callback {
631 state.acknowledged_first_configure = true;
632 drop(state);
633 self.frame();
634 }
635 }
636 }
637
638 pub fn handle_toplevel_decoration_event(&self, event: zxdg_toplevel_decoration_v1::Event) {
639 if let zxdg_toplevel_decoration_v1::Event::Configure { mode } = event {
640 match mode {
641 WEnum::Value(zxdg_toplevel_decoration_v1::Mode::ServerSide) => {
642 self.state.borrow_mut().decorations = WindowDecorations::Server;
643 if let Some(appearance_changed) =
644 self.callbacks.borrow_mut().appearance_changed.as_mut()
645 {
646 appearance_changed();
647 }
648 }
649 WEnum::Value(zxdg_toplevel_decoration_v1::Mode::ClientSide) => {
650 self.state.borrow_mut().decorations = WindowDecorations::Client;
651 // Update background to be transparent
652 if let Some(appearance_changed) =
653 self.callbacks.borrow_mut().appearance_changed.as_mut()
654 {
655 appearance_changed();
656 }
657 }
658 WEnum::Value(_) => {
659 log::warn!("Unknown decoration mode");
660 }
661 WEnum::Unknown(v) => {
662 log::warn!("Unknown decoration mode: {}", v);
663 }
664 }
665 }
666 }
667
668 pub fn handle_fractional_scale_event(&self, event: wp_fractional_scale_v1::Event) {
669 if let wp_fractional_scale_v1::Event::PreferredScale { scale } = event {
670 self.rescale(scale as f32 / 120.0);
671 }
672 }
673
674 pub fn handle_toplevel_event(&self, event: xdg_toplevel::Event) -> bool {
675 match event {
676 xdg_toplevel::Event::Configure {
677 width,
678 height,
679 states,
680 } => {
681 let size = if width == 0 || height == 0 {
682 None
683 } else {
684 Some(size(px(width as f32), px(height as f32)))
685 };
686
687 let states = extract_states::<xdg_toplevel::State>(&states);
688
689 let mut tiling = Tiling::default();
690 let mut fullscreen = false;
691 let mut maximized = false;
692 let mut resizing = false;
693
694 for state in states {
695 match state {
696 xdg_toplevel::State::Maximized => {
697 maximized = true;
698 }
699 xdg_toplevel::State::Fullscreen => {
700 fullscreen = true;
701 }
702 xdg_toplevel::State::Resizing => resizing = true,
703 xdg_toplevel::State::TiledTop => {
704 tiling.top = true;
705 }
706 xdg_toplevel::State::TiledLeft => {
707 tiling.left = true;
708 }
709 xdg_toplevel::State::TiledRight => {
710 tiling.right = true;
711 }
712 xdg_toplevel::State::TiledBottom => {
713 tiling.bottom = true;
714 }
715 _ => {
716 // noop
717 }
718 }
719 }
720
721 if fullscreen || maximized {
722 tiling = Tiling::tiled();
723 }
724
725 let mut state = self.state.borrow_mut();
726 state.in_progress_configure = Some(InProgressConfigure {
727 size,
728 fullscreen,
729 maximized,
730 resizing,
731 tiling,
732 });
733
734 false
735 }
736 xdg_toplevel::Event::Close => {
737 let mut cb = self.callbacks.borrow_mut();
738 if let Some(mut should_close) = cb.should_close.take() {
739 let result = (should_close)();
740 cb.should_close = Some(should_close);
741 if result {
742 drop(cb);
743 self.close();
744 }
745 result
746 } else {
747 true
748 }
749 }
750 xdg_toplevel::Event::WmCapabilities { capabilities } => {
751 let mut window_controls = WindowControls::default();
752
753 let states = extract_states::<xdg_toplevel::WmCapabilities>(&capabilities);
754
755 for state in states {
756 match state {
757 xdg_toplevel::WmCapabilities::Maximize => {
758 window_controls.maximize = true;
759 }
760 xdg_toplevel::WmCapabilities::Minimize => {
761 window_controls.minimize = true;
762 }
763 xdg_toplevel::WmCapabilities::Fullscreen => {
764 window_controls.fullscreen = true;
765 }
766 xdg_toplevel::WmCapabilities::WindowMenu => {
767 window_controls.window_menu = true;
768 }
769 _ => {}
770 }
771 }
772
773 let mut state = self.state.borrow_mut();
774 state.in_progress_window_controls = Some(window_controls);
775 false
776 }
777 _ => false,
778 }
779 }
780
781 pub fn handle_layersurface_event(&self, event: zwlr_layer_surface_v1::Event) -> bool {
782 match event {
783 zwlr_layer_surface_v1::Event::Configure {
784 width,
785 height,
786 serial,
787 } => {
788 let size = if width == 0 || height == 0 {
789 None
790 } else {
791 Some(size(px(width as f32), px(height as f32)))
792 };
793
794 let mut state = self.state.borrow_mut();
795 state.in_progress_configure = Some(InProgressConfigure {
796 size,
797 fullscreen: false,
798 maximized: false,
799 resizing: false,
800 tiling: Tiling::default(),
801 });
802 drop(state);
803
804 // just do the same thing we'd do as an xdg_surface
805 self.handle_xdg_surface_event(xdg_surface::Event::Configure { serial });
806
807 false
808 }
809 zwlr_layer_surface_v1::Event::Closed => {
810 // unlike xdg, we don't have a choice here: the surface is closing.
811 true
812 }
813 _ => false,
814 }
815 }
816
817 #[allow(clippy::mutable_key_type)]
818 pub fn handle_surface_event(
819 &self,
820 event: wl_surface::Event,
821 outputs: HashMap<ObjectId, Output>,
822 ) {
823 let mut state = self.state.borrow_mut();
824
825 match event {
826 wl_surface::Event::Enter { output } => {
827 let id = output.id();
828
829 let Some(output) = outputs.get(&id) else {
830 return;
831 };
832
833 state.outputs.insert(id, output.clone());
834
835 let scale = state.primary_output_scale();
836
837 // We use `PreferredBufferScale` instead to set the scale if it's available
838 if state.surface.version() < wl_surface::EVT_PREFERRED_BUFFER_SCALE_SINCE {
839 state.surface.set_buffer_scale(scale);
840 drop(state);
841 self.rescale(scale as f32);
842 }
843 }
844 wl_surface::Event::Leave { output } => {
845 state.outputs.remove(&output.id());
846
847 let scale = state.primary_output_scale();
848
849 // We use `PreferredBufferScale` instead to set the scale if it's available
850 if state.surface.version() < wl_surface::EVT_PREFERRED_BUFFER_SCALE_SINCE {
851 state.surface.set_buffer_scale(scale);
852 drop(state);
853 self.rescale(scale as f32);
854 }
855 }
856 wl_surface::Event::PreferredBufferScale { factor } => {
857 // We use `WpFractionalScale` instead to set the scale if it's available
858 if state.globals.fractional_scale_manager.is_none() {
859 state.surface.set_buffer_scale(factor);
860 drop(state);
861 self.rescale(factor as f32);
862 }
863 }
864 _ => {}
865 }
866 }
867
868 pub fn handle_ime(&self, ime: ImeInput) {
869 if self.is_blocked() {
870 return;
871 }
872 let mut state = self.state.borrow_mut();
873 if let Some(mut input_handler) = state.input_handler.take() {
874 drop(state);
875 match ime {
876 ImeInput::InsertText(text) => {
877 input_handler.replace_text_in_range(None, &text);
878 }
879 ImeInput::SetMarkedText(text) => {
880 input_handler.replace_and_mark_text_in_range(None, &text, None);
881 }
882 ImeInput::UnmarkText => {
883 input_handler.unmark_text();
884 }
885 ImeInput::DeleteText => {
886 if let Some(marked) = input_handler.marked_text_range() {
887 input_handler.replace_text_in_range(Some(marked), "");
888 }
889 }
890 }
891 self.state.borrow_mut().input_handler = Some(input_handler);
892 }
893 }
894
895 pub fn get_ime_area(&self) -> Option<Bounds<Pixels>> {
896 let mut state = self.state.borrow_mut();
897 let mut bounds: Option<Bounds<Pixels>> = None;
898 if let Some(mut input_handler) = state.input_handler.take() {
899 drop(state);
900 if let Some(selection) = input_handler.marked_text_range() {
901 bounds = input_handler.bounds_for_range(selection.start..selection.start);
902 }
903 self.state.borrow_mut().input_handler = Some(input_handler);
904 }
905 bounds
906 }
907
908 pub fn set_size_and_scale(&self, size: Option<Size<Pixels>>, scale: Option<f32>) {
909 let (size, scale) = {
910 let mut state = self.state.borrow_mut();
911 if size.is_none_or(|size| size == state.bounds.size)
912 && scale.is_none_or(|scale| scale == state.scale)
913 {
914 return;
915 }
916 if let Some(size) = size {
917 state.bounds.size = size;
918 }
919 if let Some(scale) = scale {
920 state.scale = scale;
921 }
922 let device_bounds = state.bounds.to_device_pixels(state.scale);
923 state.renderer.update_drawable_size(device_bounds.size);
924 (state.bounds.size, state.scale)
925 };
926
927 if let Some(ref mut fun) = self.callbacks.borrow_mut().resize {
928 fun(size, scale);
929 }
930
931 {
932 let state = self.state.borrow();
933 if let Some(viewport) = &state.viewport {
934 viewport
935 .set_destination(f32::from(size.width) as i32, f32::from(size.height) as i32);
936 }
937 }
938 }
939
940 pub fn resize(&self, size: Size<Pixels>) {
941 self.set_size_and_scale(Some(size), None);
942 }
943
944 pub fn rescale(&self, scale: f32) {
945 self.set_size_and_scale(None, Some(scale));
946 }
947
948 pub fn close(&self) {
949 let state = self.state.borrow();
950 let client = state.client.get_client();
951 #[allow(clippy::mutable_key_type)]
952 let children = state.children.clone();
953 drop(state);
954
955 for child in children {
956 let mut client_state = client.borrow_mut();
957 let window = get_window(&mut client_state, &child);
958 drop(client_state);
959
960 if let Some(child) = window {
961 child.close();
962 }
963 }
964 let mut callbacks = self.callbacks.borrow_mut();
965 if let Some(fun) = callbacks.close.take() {
966 fun()
967 }
968 }
969
970 pub fn handle_input(&self, input: PlatformInput) {
971 if self.is_blocked() {
972 return;
973 }
974 if let Some(ref mut fun) = self.callbacks.borrow_mut().input
975 && !fun(input.clone()).propagate
976 {
977 return;
978 }
979 if let PlatformInput::KeyDown(event) = input
980 && event.keystroke.modifiers.is_subset_of(&Modifiers::shift())
981 && let Some(key_char) = &event.keystroke.key_char
982 {
983 let mut state = self.state.borrow_mut();
984 if let Some(mut input_handler) = state.input_handler.take() {
985 drop(state);
986 input_handler.replace_text_in_range(None, key_char);
987 self.state.borrow_mut().input_handler = Some(input_handler);
988 }
989 }
990 }
991
992 pub fn set_focused(&self, focus: bool) {
993 self.state.borrow_mut().active = focus;
994 if let Some(ref mut fun) = self.callbacks.borrow_mut().active_status_change {
995 fun(focus);
996 }
997 }
998
999 pub fn set_hovered(&self, focus: bool) {
1000 if let Some(ref mut fun) = self.callbacks.borrow_mut().hover_status_change {
1001 fun(focus);
1002 }
1003 }
1004
1005 pub fn set_appearance(&mut self, appearance: WindowAppearance) {
1006 self.state.borrow_mut().appearance = appearance;
1007
1008 let mut callbacks = self.callbacks.borrow_mut();
1009 if let Some(ref mut fun) = callbacks.appearance_changed {
1010 (fun)()
1011 }
1012 }
1013
1014 pub fn primary_output_scale(&self) -> i32 {
1015 self.state.borrow_mut().primary_output_scale()
1016 }
1017}
1018
1019fn extract_states<'a, S: TryFrom<u32> + 'a>(states: &'a [u8]) -> impl Iterator<Item = S> + 'a
1020where
1021 <S as TryFrom<u32>>::Error: 'a,
1022{
1023 states
1024 .chunks_exact(4)
1025 .flat_map(TryInto::<[u8; 4]>::try_into)
1026 .map(u32::from_ne_bytes)
1027 .flat_map(S::try_from)
1028}
1029
1030impl rwh::HasWindowHandle for WaylandWindow {
1031 fn window_handle(&self) -> Result<rwh::WindowHandle<'_>, rwh::HandleError> {
1032 let surface = self.0.surface().id().as_ptr() as *mut libc::c_void;
1033 let c_ptr = NonNull::new(surface).ok_or(rwh::HandleError::Unavailable)?;
1034 let handle = rwh::WaylandWindowHandle::new(c_ptr);
1035 let raw_handle = rwh::RawWindowHandle::Wayland(handle);
1036 Ok(unsafe { rwh::WindowHandle::borrow_raw(raw_handle) })
1037 }
1038}
1039
1040impl rwh::HasDisplayHandle for WaylandWindow {
1041 fn display_handle(&self) -> Result<rwh::DisplayHandle<'_>, rwh::HandleError> {
1042 let display = self
1043 .0
1044 .surface()
1045 .backend()
1046 .upgrade()
1047 .ok_or(rwh::HandleError::Unavailable)?
1048 .display_ptr() as *mut libc::c_void;
1049
1050 let c_ptr = NonNull::new(display).ok_or(rwh::HandleError::Unavailable)?;
1051 let handle = rwh::WaylandDisplayHandle::new(c_ptr);
1052 let raw_handle = rwh::RawDisplayHandle::Wayland(handle);
1053 Ok(unsafe { rwh::DisplayHandle::borrow_raw(raw_handle) })
1054 }
1055}
1056
1057impl PlatformWindow for WaylandWindow {
1058 fn bounds(&self) -> Bounds<Pixels> {
1059 self.borrow().bounds
1060 }
1061
1062 fn is_maximized(&self) -> bool {
1063 self.borrow().maximized
1064 }
1065
1066 fn window_bounds(&self) -> WindowBounds {
1067 let state = self.borrow();
1068 if state.fullscreen {
1069 WindowBounds::Fullscreen(state.window_bounds)
1070 } else if state.maximized {
1071 WindowBounds::Maximized(state.window_bounds)
1072 } else {
1073 drop(state);
1074 WindowBounds::Windowed(self.bounds())
1075 }
1076 }
1077
1078 fn inner_window_bounds(&self) -> WindowBounds {
1079 let state = self.borrow();
1080 if state.fullscreen {
1081 WindowBounds::Fullscreen(state.window_bounds)
1082 } else if state.maximized {
1083 WindowBounds::Maximized(state.window_bounds)
1084 } else {
1085 let inset = state.inset();
1086 drop(state);
1087 WindowBounds::Windowed(self.bounds().inset(inset))
1088 }
1089 }
1090
1091 fn content_size(&self) -> Size<Pixels> {
1092 self.borrow().bounds.size
1093 }
1094
1095 fn resize(&mut self, size: Size<Pixels>) {
1096 let state = self.borrow();
1097 let state_ptr = self.0.clone();
1098
1099 // Keep window geometry consistent with configure handling. On Wayland, window geometry is
1100 // surface-local: resizing should not attempt to translate the window; the compositor
1101 // controls placement. We also account for client-side decoration insets and tiling.
1102 let window_geometry = inset_by_tiling(
1103 Bounds {
1104 origin: Point::default(),
1105 size,
1106 },
1107 state.inset(),
1108 state.tiling,
1109 )
1110 .map(|v| f32::from(v) as i32)
1111 .map_size(|v| if v <= 0 { 1 } else { v });
1112
1113 state.surface_state.set_geometry(
1114 window_geometry.origin.x,
1115 window_geometry.origin.y,
1116 window_geometry.size.width,
1117 window_geometry.size.height,
1118 );
1119
1120 state
1121 .globals
1122 .executor
1123 .spawn(async move { state_ptr.resize(size) })
1124 .detach();
1125 }
1126
1127 fn scale_factor(&self) -> f32 {
1128 self.borrow().scale
1129 }
1130
1131 fn appearance(&self) -> WindowAppearance {
1132 self.borrow().appearance
1133 }
1134
1135 fn display(&self) -> Option<Rc<dyn PlatformDisplay>> {
1136 let state = self.borrow();
1137 state.display.as_ref().map(|(id, display)| {
1138 Rc::new(WaylandDisplay {
1139 id: id.clone(),
1140 name: display.name.clone(),
1141 bounds: display.bounds.to_pixels(state.scale),
1142 }) as Rc<dyn PlatformDisplay>
1143 })
1144 }
1145
1146 fn mouse_position(&self) -> Point<Pixels> {
1147 self.borrow()
1148 .client
1149 .get_client()
1150 .borrow()
1151 .mouse_location
1152 .unwrap_or_default()
1153 }
1154
1155 fn modifiers(&self) -> Modifiers {
1156 self.borrow().client.get_client().borrow().modifiers
1157 }
1158
1159 fn capslock(&self) -> Capslock {
1160 self.borrow().client.get_client().borrow().capslock
1161 }
1162
1163 fn set_input_handler(&mut self, input_handler: PlatformInputHandler) {
1164 self.borrow_mut().input_handler = Some(input_handler);
1165 }
1166
1167 fn take_input_handler(&mut self) -> Option<PlatformInputHandler> {
1168 self.borrow_mut().input_handler.take()
1169 }
1170
1171 fn prompt(
1172 &self,
1173 _level: PromptLevel,
1174 _msg: &str,
1175 _detail: Option<&str>,
1176 _answers: &[PromptButton],
1177 ) -> Option<Receiver<usize>> {
1178 None
1179 }
1180
1181 fn activate(&self) {
1182 // Try to request an activation token. Even though the activation is likely going to be rejected,
1183 // KWin and Mutter can use the app_id to visually indicate we're requesting attention.
1184 let state = self.borrow();
1185 if let (Some(activation), Some(app_id)) = (&state.globals.activation, state.app_id.clone())
1186 {
1187 state.client.set_pending_activation(state.surface.id());
1188 let token = activation.get_activation_token(&state.globals.qh, ());
1189 // The serial isn't exactly important here, since the activation is probably going to be rejected anyway.
1190 let serial = state.client.get_serial(SerialKind::MousePress);
1191 token.set_app_id(app_id);
1192 token.set_serial(serial, &state.globals.seat);
1193 token.set_surface(&state.surface);
1194 token.commit();
1195 }
1196 }
1197
1198 fn is_active(&self) -> bool {
1199 self.borrow().active
1200 }
1201
1202 fn is_hovered(&self) -> bool {
1203 self.borrow().hovered
1204 }
1205
1206 fn set_title(&mut self, title: &str) {
1207 if let Some(toplevel) = self.borrow().surface_state.toplevel() {
1208 toplevel.set_title(title.to_string());
1209 }
1210 }
1211
1212 fn set_app_id(&mut self, app_id: &str) {
1213 let mut state = self.borrow_mut();
1214 if let Some(toplevel) = state.surface_state.toplevel() {
1215 toplevel.set_app_id(app_id.to_owned());
1216 }
1217 state.app_id = Some(app_id.to_owned());
1218 }
1219
1220 fn set_background_appearance(&self, background_appearance: WindowBackgroundAppearance) {
1221 let mut state = self.borrow_mut();
1222 state.background_appearance = background_appearance;
1223 update_window(state);
1224 }
1225
1226 fn background_appearance(&self) -> WindowBackgroundAppearance {
1227 self.borrow().background_appearance
1228 }
1229
1230 fn is_subpixel_rendering_supported(&self) -> bool {
1231 let client = self.borrow().client.get_client();
1232 let state = client.borrow();
1233 state
1234 .gpu_context
1235 .as_ref()
1236 .is_some_and(|ctx| ctx.supports_dual_source_blending())
1237 }
1238
1239 fn minimize(&self) {
1240 if let Some(toplevel) = self.borrow().surface_state.toplevel() {
1241 toplevel.set_minimized();
1242 }
1243 }
1244
1245 fn zoom(&self) {
1246 let state = self.borrow();
1247 if let Some(toplevel) = state.surface_state.toplevel() {
1248 if !state.maximized {
1249 toplevel.set_maximized();
1250 } else {
1251 toplevel.unset_maximized();
1252 }
1253 }
1254 }
1255
1256 fn toggle_fullscreen(&self) {
1257 let state = self.borrow();
1258 if let Some(toplevel) = state.surface_state.toplevel() {
1259 if !state.fullscreen {
1260 toplevel.set_fullscreen(None);
1261 } else {
1262 toplevel.unset_fullscreen();
1263 }
1264 }
1265 }
1266
1267 fn is_fullscreen(&self) -> bool {
1268 self.borrow().fullscreen
1269 }
1270
1271 fn on_request_frame(&self, callback: Box<dyn FnMut(RequestFrameOptions)>) {
1272 self.0.callbacks.borrow_mut().request_frame = Some(callback);
1273 }
1274
1275 fn on_input(&self, callback: Box<dyn FnMut(PlatformInput) -> gpui::DispatchEventResult>) {
1276 self.0.callbacks.borrow_mut().input = Some(callback);
1277 }
1278
1279 fn on_active_status_change(&self, callback: Box<dyn FnMut(bool)>) {
1280 self.0.callbacks.borrow_mut().active_status_change = Some(callback);
1281 }
1282
1283 fn on_hover_status_change(&self, callback: Box<dyn FnMut(bool)>) {
1284 self.0.callbacks.borrow_mut().hover_status_change = Some(callback);
1285 }
1286
1287 fn on_resize(&self, callback: Box<dyn FnMut(Size<Pixels>, f32)>) {
1288 self.0.callbacks.borrow_mut().resize = Some(callback);
1289 }
1290
1291 fn on_moved(&self, callback: Box<dyn FnMut()>) {
1292 self.0.callbacks.borrow_mut().moved = Some(callback);
1293 }
1294
1295 fn on_should_close(&self, callback: Box<dyn FnMut() -> bool>) {
1296 self.0.callbacks.borrow_mut().should_close = Some(callback);
1297 }
1298
1299 fn on_close(&self, callback: Box<dyn FnOnce()>) {
1300 self.0.callbacks.borrow_mut().close = Some(callback);
1301 }
1302
1303 fn on_hit_test_window_control(&self, _callback: Box<dyn FnMut() -> Option<WindowControlArea>>) {
1304 }
1305
1306 fn on_appearance_changed(&self, callback: Box<dyn FnMut()>) {
1307 self.0.callbacks.borrow_mut().appearance_changed = Some(callback);
1308 }
1309
1310 fn draw(&self, scene: &Scene) {
1311 let mut state = self.borrow_mut();
1312 state.renderer.draw(scene);
1313 }
1314
1315 fn completed_frame(&self) {
1316 let state = self.borrow();
1317 state.surface.commit();
1318 }
1319
1320 fn sprite_atlas(&self) -> Arc<dyn PlatformAtlas> {
1321 let state = self.borrow();
1322 state.renderer.sprite_atlas().clone()
1323 }
1324
1325 fn show_window_menu(&self, position: Point<Pixels>) {
1326 let state = self.borrow();
1327 let serial = state.client.get_serial(SerialKind::MousePress);
1328 if let Some(toplevel) = state.surface_state.toplevel() {
1329 toplevel.show_window_menu(
1330 &state.globals.seat,
1331 serial,
1332 f32::from(position.x) as i32,
1333 f32::from(position.y) as i32,
1334 );
1335 }
1336 }
1337
1338 fn start_window_move(&self) {
1339 let state = self.borrow();
1340 let serial = state.client.get_serial(SerialKind::MousePress);
1341 if let Some(toplevel) = state.surface_state.toplevel() {
1342 toplevel._move(&state.globals.seat, serial);
1343 }
1344 }
1345
1346 fn start_window_resize(&self, edge: gpui::ResizeEdge) {
1347 let state = self.borrow();
1348 if let Some(toplevel) = state.surface_state.toplevel() {
1349 toplevel.resize(
1350 &state.globals.seat,
1351 state.client.get_serial(SerialKind::MousePress),
1352 edge.to_xdg(),
1353 )
1354 }
1355 }
1356
1357 fn window_decorations(&self) -> Decorations {
1358 let state = self.borrow();
1359 match state.decorations {
1360 WindowDecorations::Server => Decorations::Server,
1361 WindowDecorations::Client => Decorations::Client {
1362 tiling: state.tiling,
1363 },
1364 }
1365 }
1366
1367 fn request_decorations(&self, decorations: WindowDecorations) {
1368 let mut state = self.borrow_mut();
1369 match state.surface_state.decoration().as_ref() {
1370 Some(decoration) => {
1371 decoration.set_mode(decorations.to_xdg());
1372 state.decorations = decorations;
1373 update_window(state);
1374 }
1375 None => {
1376 if matches!(decorations, WindowDecorations::Server) {
1377 log::info!(
1378 "Server-side decorations requested, but the Wayland server does not support them. Falling back to client-side decorations."
1379 );
1380 }
1381 state.decorations = WindowDecorations::Client;
1382 update_window(state);
1383 }
1384 }
1385 }
1386
1387 fn window_controls(&self) -> WindowControls {
1388 self.borrow().window_controls
1389 }
1390
1391 fn set_client_inset(&self, inset: Pixels) {
1392 let mut state = self.borrow_mut();
1393 if Some(inset) != state.client_inset {
1394 state.client_inset = Some(inset);
1395 update_window(state);
1396 }
1397 }
1398
1399 fn update_ime_position(&self, bounds: Bounds<Pixels>) {
1400 let state = self.borrow();
1401 state.client.update_ime_position(bounds);
1402 }
1403
1404 fn gpu_specs(&self) -> Option<GpuSpecs> {
1405 self.borrow().renderer.gpu_specs().into()
1406 }
1407}
1408
1409fn update_window(mut state: RefMut<WaylandWindowState>) {
1410 let opaque = !state.is_transparent();
1411
1412 state.renderer.update_transparency(!opaque);
1413 let opaque_area = state.window_bounds.map(|v| f32::from(v) as i32);
1414 opaque_area.inset(f32::from(state.inset()) as i32);
1415
1416 let region = state
1417 .globals
1418 .compositor
1419 .create_region(&state.globals.qh, ());
1420 region.add(
1421 opaque_area.origin.x,
1422 opaque_area.origin.y,
1423 opaque_area.size.width,
1424 opaque_area.size.height,
1425 );
1426
1427 // Note that rounded corners make this rectangle API hard to work with.
1428 // As this is common when using CSD, let's just disable this API.
1429 if state.background_appearance == WindowBackgroundAppearance::Opaque
1430 && state.decorations == WindowDecorations::Server
1431 {
1432 // Promise the compositor that this region of the window surface
1433 // contains no transparent pixels. This allows the compositor to skip
1434 // updating whatever is behind the surface for better performance.
1435 state.surface.set_opaque_region(Some(®ion));
1436 } else {
1437 state.surface.set_opaque_region(None);
1438 }
1439
1440 if let Some(ref blur_manager) = state.globals.blur_manager {
1441 if state.background_appearance == WindowBackgroundAppearance::Blurred {
1442 if state.blur.is_none() {
1443 let blur = blur_manager.create(&state.surface, &state.globals.qh, ());
1444 state.blur = Some(blur);
1445 }
1446 state.blur.as_ref().unwrap().commit();
1447 } else {
1448 // It probably doesn't hurt to clear the blur for opaque windows
1449 blur_manager.unset(&state.surface);
1450 if let Some(b) = state.blur.take() {
1451 b.release()
1452 }
1453 }
1454 }
1455
1456 region.destroy();
1457}
1458
1459pub(crate) trait WindowDecorationsExt {
1460 fn to_xdg(self) -> zxdg_toplevel_decoration_v1::Mode;
1461}
1462
1463impl WindowDecorationsExt for WindowDecorations {
1464 fn to_xdg(self) -> zxdg_toplevel_decoration_v1::Mode {
1465 match self {
1466 WindowDecorations::Client => zxdg_toplevel_decoration_v1::Mode::ClientSide,
1467 WindowDecorations::Server => zxdg_toplevel_decoration_v1::Mode::ServerSide,
1468 }
1469 }
1470}
1471
1472pub(crate) trait ResizeEdgeWaylandExt {
1473 fn to_xdg(self) -> xdg_toplevel::ResizeEdge;
1474}
1475
1476impl ResizeEdgeWaylandExt for ResizeEdge {
1477 fn to_xdg(self) -> xdg_toplevel::ResizeEdge {
1478 match self {
1479 ResizeEdge::Top => xdg_toplevel::ResizeEdge::Top,
1480 ResizeEdge::TopRight => xdg_toplevel::ResizeEdge::TopRight,
1481 ResizeEdge::Right => xdg_toplevel::ResizeEdge::Right,
1482 ResizeEdge::BottomRight => xdg_toplevel::ResizeEdge::BottomRight,
1483 ResizeEdge::Bottom => xdg_toplevel::ResizeEdge::Bottom,
1484 ResizeEdge::BottomLeft => xdg_toplevel::ResizeEdge::BottomLeft,
1485 ResizeEdge::Left => xdg_toplevel::ResizeEdge::Left,
1486 ResizeEdge::TopLeft => xdg_toplevel::ResizeEdge::TopLeft,
1487 }
1488 }
1489}
1490
1491/// The configuration event is in terms of the window geometry, which we are constantly
1492/// updating to account for the client decorations. But that's not the area we want to render
1493/// to, due to our intrusize CSD. So, here we calculate the 'actual' size, by adding back in the insets
1494fn compute_outer_size(
1495 inset: Pixels,
1496 new_size: Option<Size<Pixels>>,
1497 tiling: Tiling,
1498) -> Option<Size<Pixels>> {
1499 new_size.map(|mut new_size| {
1500 if !tiling.top {
1501 new_size.height += inset;
1502 }
1503 if !tiling.bottom {
1504 new_size.height += inset;
1505 }
1506 if !tiling.left {
1507 new_size.width += inset;
1508 }
1509 if !tiling.right {
1510 new_size.width += inset;
1511 }
1512
1513 new_size
1514 })
1515}
1516
1517fn inset_by_tiling(mut bounds: Bounds<Pixels>, inset: Pixels, tiling: Tiling) -> Bounds<Pixels> {
1518 if !tiling.top {
1519 bounds.origin.y += inset;
1520 bounds.size.height -= inset;
1521 }
1522 if !tiling.bottom {
1523 bounds.size.height -= inset;
1524 }
1525 if !tiling.left {
1526 bounds.origin.x += inset;
1527 bounds.size.width -= inset;
1528 }
1529 if !tiling.right {
1530 bounds.size.width -= inset;
1531 }
1532
1533 bounds
1534}