1use std::cell::{RefCell, RefMut};
2use std::hash::Hash;
3use std::os::fd::{AsRawFd, BorrowedFd};
4use std::path::PathBuf;
5use std::rc::{Rc, Weak};
6use std::time::{Duration, Instant};
7
8use calloop::timer::{TimeoutAction, Timer};
9use calloop::{EventLoop, LoopHandle};
10use calloop_wayland_source::WaylandSource;
11use collections::HashMap;
12use filedescriptor::Pipe;
13
14use http_client::Url;
15use smallvec::SmallVec;
16use util::ResultExt;
17use wayland_backend::client::ObjectId;
18use wayland_backend::protocol::WEnum;
19use wayland_client::event_created_child;
20use wayland_client::globals::{registry_queue_init, GlobalList, GlobalListContents};
21use wayland_client::protocol::wl_callback::{self, WlCallback};
22use wayland_client::protocol::wl_data_device_manager::DndAction;
23use wayland_client::protocol::wl_data_offer::WlDataOffer;
24use wayland_client::protocol::wl_pointer::AxisSource;
25use wayland_client::protocol::{
26 wl_data_device, wl_data_device_manager, wl_data_offer, wl_data_source, wl_output, wl_region,
27};
28use wayland_client::{
29 delegate_noop,
30 protocol::{
31 wl_buffer, wl_compositor, wl_keyboard, wl_pointer, wl_registry, wl_seat, wl_shm,
32 wl_shm_pool, wl_surface,
33 },
34 Connection, Dispatch, Proxy, QueueHandle,
35};
36use wayland_protocols::wp::cursor_shape::v1::client::{
37 wp_cursor_shape_device_v1, wp_cursor_shape_manager_v1,
38};
39use wayland_protocols::wp::fractional_scale::v1::client::{
40 wp_fractional_scale_manager_v1, wp_fractional_scale_v1,
41};
42use wayland_protocols::wp::primary_selection::zv1::client::zwp_primary_selection_offer_v1::{
43 self, ZwpPrimarySelectionOfferV1,
44};
45use wayland_protocols::wp::primary_selection::zv1::client::{
46 zwp_primary_selection_device_manager_v1, zwp_primary_selection_device_v1,
47 zwp_primary_selection_source_v1,
48};
49use wayland_protocols::wp::text_input::zv3::client::zwp_text_input_v3::{
50 ContentHint, ContentPurpose,
51};
52use wayland_protocols::wp::text_input::zv3::client::{
53 zwp_text_input_manager_v3, zwp_text_input_v3,
54};
55use wayland_protocols::wp::viewporter::client::{wp_viewport, wp_viewporter};
56use wayland_protocols::xdg::activation::v1::client::{xdg_activation_token_v1, xdg_activation_v1};
57use wayland_protocols::xdg::decoration::zv1::client::{
58 zxdg_decoration_manager_v1, zxdg_toplevel_decoration_v1,
59};
60use wayland_protocols::xdg::shell::client::{xdg_surface, xdg_toplevel, xdg_wm_base};
61use wayland_protocols_plasma::blur::client::{org_kde_kwin_blur, org_kde_kwin_blur_manager};
62use xkbcommon::xkb::ffi::XKB_KEYMAP_FORMAT_TEXT_V1;
63use xkbcommon::xkb::{self, Keycode, KEYMAP_COMPILE_NO_FLAGS};
64
65use super::display::WaylandDisplay;
66use super::window::{ImeInput, WaylandWindowStatePtr};
67use crate::platform::linux::wayland::clipboard::{
68 Clipboard, DataOffer, FILE_LIST_MIME_TYPE, TEXT_MIME_TYPE,
69};
70use crate::platform::linux::wayland::cursor::Cursor;
71use crate::platform::linux::wayland::serial::{SerialKind, SerialTracker};
72use crate::platform::linux::wayland::window::WaylandWindow;
73use crate::platform::linux::xdg_desktop_portal::{Event as XDPEvent, XDPEventSource};
74use crate::platform::linux::LinuxClient;
75use crate::platform::linux::{
76 get_xkb_compose_state, is_within_click_distance, open_uri_internal, read_fd,
77 reveal_path_internal,
78};
79use crate::platform::PlatformWindow;
80use crate::{
81 point, px, size, Bounds, DevicePixels, FileDropEvent, ForegroundExecutor, MouseExitEvent, Size,
82 DOUBLE_CLICK_INTERVAL, SCROLL_LINES,
83};
84use crate::{
85 AnyWindowHandle, CursorStyle, DisplayId, KeyDownEvent, KeyUpEvent, Keystroke, Modifiers,
86 ModifiersChangedEvent, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent,
87 NavigationDirection, Pixels, PlatformDisplay, PlatformInput, Point, ScrollDelta,
88 ScrollWheelEvent, TouchPhase,
89};
90use crate::{LinuxCommon, WindowParams};
91
92/// Used to convert evdev scancode to xkb scancode
93const MIN_KEYCODE: u32 = 8;
94
95#[derive(Clone)]
96pub struct Globals {
97 pub qh: QueueHandle<WaylandClientStatePtr>,
98 pub activation: Option<xdg_activation_v1::XdgActivationV1>,
99 pub compositor: wl_compositor::WlCompositor,
100 pub cursor_shape_manager: Option<wp_cursor_shape_manager_v1::WpCursorShapeManagerV1>,
101 pub data_device_manager: Option<wl_data_device_manager::WlDataDeviceManager>,
102 pub primary_selection_manager:
103 Option<zwp_primary_selection_device_manager_v1::ZwpPrimarySelectionDeviceManagerV1>,
104 pub wm_base: xdg_wm_base::XdgWmBase,
105 pub shm: wl_shm::WlShm,
106 pub seat: wl_seat::WlSeat,
107 pub viewporter: Option<wp_viewporter::WpViewporter>,
108 pub fractional_scale_manager:
109 Option<wp_fractional_scale_manager_v1::WpFractionalScaleManagerV1>,
110 pub decoration_manager: Option<zxdg_decoration_manager_v1::ZxdgDecorationManagerV1>,
111 pub blur_manager: Option<org_kde_kwin_blur_manager::OrgKdeKwinBlurManager>,
112 pub text_input_manager: Option<zwp_text_input_manager_v3::ZwpTextInputManagerV3>,
113 pub executor: ForegroundExecutor,
114}
115
116impl Globals {
117 fn new(
118 globals: GlobalList,
119 executor: ForegroundExecutor,
120 qh: QueueHandle<WaylandClientStatePtr>,
121 seat: wl_seat::WlSeat,
122 ) -> Self {
123 Globals {
124 activation: globals.bind(&qh, 1..=1, ()).ok(),
125 compositor: globals
126 .bind(
127 &qh,
128 wl_surface::REQ_SET_BUFFER_SCALE_SINCE
129 ..=wl_surface::EVT_PREFERRED_BUFFER_SCALE_SINCE,
130 (),
131 )
132 .unwrap(),
133 cursor_shape_manager: globals.bind(&qh, 1..=1, ()).ok(),
134 data_device_manager: globals
135 .bind(
136 &qh,
137 WL_DATA_DEVICE_MANAGER_VERSION..=WL_DATA_DEVICE_MANAGER_VERSION,
138 (),
139 )
140 .ok(),
141 primary_selection_manager: globals.bind(&qh, 1..=1, ()).ok(),
142 shm: globals.bind(&qh, 1..=1, ()).unwrap(),
143 seat,
144 wm_base: globals.bind(&qh, 2..=5, ()).unwrap(),
145 viewporter: globals.bind(&qh, 1..=1, ()).ok(),
146 fractional_scale_manager: globals.bind(&qh, 1..=1, ()).ok(),
147 decoration_manager: globals.bind(&qh, 1..=1, ()).ok(),
148 blur_manager: globals.bind(&qh, 1..=1, ()).ok(),
149 text_input_manager: globals.bind(&qh, 1..=1, ()).ok(),
150 executor,
151 qh,
152 }
153 }
154}
155
156#[derive(Default, Debug, Clone, PartialEq, Eq, Hash)]
157pub struct InProgressOutput {
158 name: Option<String>,
159 scale: Option<i32>,
160 position: Option<Point<DevicePixels>>,
161 size: Option<Size<DevicePixels>>,
162}
163
164impl InProgressOutput {
165 fn complete(&self) -> Option<Output> {
166 if let Some((position, size)) = self.position.zip(self.size) {
167 let scale = self.scale.unwrap_or(1);
168 Some(Output {
169 name: self.name.clone(),
170 scale,
171 bounds: Bounds::new(position, size),
172 })
173 } else {
174 None
175 }
176 }
177}
178
179#[derive(Debug, Clone, Eq, PartialEq, Hash)]
180pub struct Output {
181 pub name: Option<String>,
182 pub scale: i32,
183 pub bounds: Bounds<DevicePixels>,
184}
185
186pub(crate) struct WaylandClientState {
187 serial_tracker: SerialTracker,
188 globals: Globals,
189 wl_seat: wl_seat::WlSeat, // TODO: Multi seat support
190 wl_pointer: Option<wl_pointer::WlPointer>,
191 wl_keyboard: Option<wl_keyboard::WlKeyboard>,
192 cursor_shape_device: Option<wp_cursor_shape_device_v1::WpCursorShapeDeviceV1>,
193 data_device: Option<wl_data_device::WlDataDevice>,
194 primary_selection: Option<zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1>,
195 text_input: Option<zwp_text_input_v3::ZwpTextInputV3>,
196 pre_edit_text: Option<String>,
197 composing: bool,
198 // Surface to Window mapping
199 windows: HashMap<ObjectId, WaylandWindowStatePtr>,
200 // Output to scale mapping
201 outputs: HashMap<ObjectId, Output>,
202 in_progress_outputs: HashMap<ObjectId, InProgressOutput>,
203 keymap_state: Option<xkb::State>,
204 compose_state: Option<xkb::compose::State>,
205 drag: DragState,
206 click: ClickState,
207 repeat: KeyRepeat,
208 pub modifiers: Modifiers,
209 axis_source: AxisSource,
210 pub mouse_location: Option<Point<Pixels>>,
211 continuous_scroll_delta: Option<Point<Pixels>>,
212 discrete_scroll_delta: Option<Point<f32>>,
213 vertical_modifier: f32,
214 horizontal_modifier: f32,
215 scroll_event_received: bool,
216 enter_token: Option<()>,
217 button_pressed: Option<MouseButton>,
218 mouse_focused_window: Option<WaylandWindowStatePtr>,
219 keyboard_focused_window: Option<WaylandWindowStatePtr>,
220 loop_handle: LoopHandle<'static, WaylandClientStatePtr>,
221 cursor_style: Option<CursorStyle>,
222 clipboard: Clipboard,
223 data_offers: Vec<DataOffer<WlDataOffer>>,
224 primary_data_offer: Option<DataOffer<ZwpPrimarySelectionOfferV1>>,
225 cursor: Cursor,
226 pending_activation: Option<PendingActivation>,
227 event_loop: Option<EventLoop<'static, WaylandClientStatePtr>>,
228 common: LinuxCommon,
229}
230
231pub struct DragState {
232 data_offer: Option<wl_data_offer::WlDataOffer>,
233 window: Option<WaylandWindowStatePtr>,
234 position: Point<Pixels>,
235}
236
237pub struct ClickState {
238 last_click: Instant,
239 last_location: Point<Pixels>,
240 current_count: usize,
241}
242
243pub(crate) struct KeyRepeat {
244 characters_per_second: u32,
245 delay: Duration,
246 current_id: u64,
247 current_keycode: Option<xkb::Keycode>,
248}
249
250pub(crate) enum PendingActivation {
251 /// URI to open in the web browser.
252 Uri(String),
253 /// Path to open in the file explorer.
254 Path(PathBuf),
255 /// A window from ourselves to raise.
256 Window(ObjectId),
257}
258
259/// This struct is required to conform to Rust's orphan rules, so we can dispatch on the state but hand the
260/// window to GPUI.
261#[derive(Clone)]
262pub struct WaylandClientStatePtr(Weak<RefCell<WaylandClientState>>);
263
264impl WaylandClientStatePtr {
265 pub fn get_client(&self) -> Rc<RefCell<WaylandClientState>> {
266 self.0
267 .upgrade()
268 .expect("The pointer should always be valid when dispatching in wayland")
269 }
270
271 pub fn get_serial(&self, kind: SerialKind) -> u32 {
272 self.0.upgrade().unwrap().borrow().serial_tracker.get(kind)
273 }
274
275 pub fn set_pending_activation(&self, window: ObjectId) {
276 self.0.upgrade().unwrap().borrow_mut().pending_activation =
277 Some(PendingActivation::Window(window));
278 }
279
280 pub fn enable_ime(&self) {
281 let client = self.get_client();
282 let mut state = client.borrow_mut();
283 let Some(mut text_input) = state.text_input.take() else {
284 return;
285 };
286
287 text_input.enable();
288 text_input.set_content_type(ContentHint::None, ContentPurpose::Normal);
289 if let Some(window) = state.keyboard_focused_window.clone() {
290 drop(state);
291 if let Some(area) = window.get_ime_area() {
292 text_input.set_cursor_rectangle(
293 area.origin.x.0 as i32,
294 area.origin.y.0 as i32,
295 area.size.width.0 as i32,
296 area.size.height.0 as i32,
297 );
298 }
299 state = client.borrow_mut();
300 }
301 text_input.commit();
302 state.text_input = Some(text_input);
303 }
304
305 pub fn disable_ime(&self) {
306 let client = self.get_client();
307 let mut state = client.borrow_mut();
308 state.composing = false;
309 if let Some(text_input) = &state.text_input {
310 text_input.disable();
311 text_input.commit();
312 }
313 }
314
315 pub fn drop_window(&self, surface_id: &ObjectId) {
316 let mut client = self.get_client();
317 let mut state = client.borrow_mut();
318 let closed_window = state.windows.remove(surface_id).unwrap();
319 if let Some(window) = state.mouse_focused_window.take() {
320 if !window.ptr_eq(&closed_window) {
321 state.mouse_focused_window = Some(window);
322 }
323 }
324 if let Some(window) = state.keyboard_focused_window.take() {
325 if !window.ptr_eq(&closed_window) {
326 state.keyboard_focused_window = Some(window);
327 }
328 }
329 if state.windows.is_empty() {
330 state.common.signal.stop();
331 }
332 }
333}
334
335#[derive(Clone)]
336pub struct WaylandClient(Rc<RefCell<WaylandClientState>>);
337
338impl Drop for WaylandClient {
339 fn drop(&mut self) {
340 let mut state = self.0.borrow_mut();
341 state.windows.clear();
342
343 if let Some(wl_pointer) = &state.wl_pointer {
344 wl_pointer.release();
345 }
346 if let Some(cursor_shape_device) = &state.cursor_shape_device {
347 cursor_shape_device.destroy();
348 }
349 if let Some(data_device) = &state.data_device {
350 data_device.release();
351 }
352 if let Some(text_input) = &state.text_input {
353 text_input.destroy();
354 }
355 }
356}
357
358const WL_DATA_DEVICE_MANAGER_VERSION: u32 = 3;
359
360fn wl_seat_version(version: u32) -> u32 {
361 // We rely on the wl_pointer.frame event
362 const WL_SEAT_MIN_VERSION: u32 = 5;
363 const WL_SEAT_MAX_VERSION: u32 = 9;
364
365 if version < WL_SEAT_MIN_VERSION {
366 panic!(
367 "wl_seat below required version: {} < {}",
368 version, WL_SEAT_MIN_VERSION
369 );
370 }
371
372 version.clamp(WL_SEAT_MIN_VERSION, WL_SEAT_MAX_VERSION)
373}
374
375fn wl_output_version(version: u32) -> u32 {
376 const WL_OUTPUT_MIN_VERSION: u32 = 2;
377 const WL_OUTPUT_MAX_VERSION: u32 = 4;
378
379 if version < WL_OUTPUT_MIN_VERSION {
380 panic!(
381 "wl_output below required version: {} < {}",
382 version, WL_OUTPUT_MIN_VERSION
383 );
384 }
385
386 version.clamp(WL_OUTPUT_MIN_VERSION, WL_OUTPUT_MAX_VERSION)
387}
388
389impl WaylandClient {
390 pub(crate) fn new() -> Self {
391 let conn = Connection::connect_to_env().unwrap();
392
393 let (globals, mut event_queue) =
394 registry_queue_init::<WaylandClientStatePtr>(&conn).unwrap();
395 let qh = event_queue.handle();
396
397 let mut seat: Option<wl_seat::WlSeat> = None;
398 #[allow(clippy::mutable_key_type)]
399 let mut in_progress_outputs = HashMap::default();
400 globals.contents().with_list(|list| {
401 for global in list {
402 match &global.interface[..] {
403 "wl_seat" => {
404 seat = Some(globals.registry().bind::<wl_seat::WlSeat, _, _>(
405 global.name,
406 wl_seat_version(global.version),
407 &qh,
408 (),
409 ));
410 }
411 "wl_output" => {
412 let output = globals.registry().bind::<wl_output::WlOutput, _, _>(
413 global.name,
414 wl_output_version(global.version),
415 &qh,
416 (),
417 );
418 in_progress_outputs.insert(output.id(), InProgressOutput::default());
419 }
420 _ => {}
421 }
422 }
423 });
424
425 let event_loop = EventLoop::<WaylandClientStatePtr>::try_new().unwrap();
426
427 let (common, main_receiver) = LinuxCommon::new(event_loop.get_signal());
428
429 let handle = event_loop.handle();
430 handle
431 .insert_source(main_receiver, {
432 let handle = handle.clone();
433 move |event, _, _: &mut WaylandClientStatePtr| {
434 if let calloop::channel::Event::Msg(runnable) = event {
435 handle.insert_idle(|_| {
436 runnable.run();
437 });
438 }
439 }
440 })
441 .unwrap();
442
443 let seat = seat.unwrap();
444 let globals = Globals::new(
445 globals,
446 common.foreground_executor.clone(),
447 qh.clone(),
448 seat.clone(),
449 );
450
451 let data_device = globals
452 .data_device_manager
453 .as_ref()
454 .map(|data_device_manager| data_device_manager.get_data_device(&seat, &qh, ()));
455
456 let primary_selection = globals
457 .primary_selection_manager
458 .as_ref()
459 .map(|primary_selection_manager| primary_selection_manager.get_device(&seat, &qh, ()));
460
461 let mut cursor = Cursor::new(&conn, &globals, 24);
462
463 handle
464 .insert_source(XDPEventSource::new(&common.background_executor), {
465 move |event, _, client| match event {
466 XDPEvent::WindowAppearance(appearance) => {
467 if let Some(client) = client.0.upgrade() {
468 let mut client = client.borrow_mut();
469
470 client.common.appearance = appearance;
471
472 for (_, window) in &mut client.windows {
473 window.set_appearance(appearance);
474 }
475 }
476 }
477 XDPEvent::CursorTheme(theme) => {
478 if let Some(client) = client.0.upgrade() {
479 let mut client = client.borrow_mut();
480 client.cursor.set_theme(theme.as_str(), None);
481 }
482 }
483 XDPEvent::CursorSize(size) => {
484 if let Some(client) = client.0.upgrade() {
485 let mut client = client.borrow_mut();
486 client.cursor.set_size(size);
487 }
488 }
489 }
490 })
491 .unwrap();
492
493 let mut state = Rc::new(RefCell::new(WaylandClientState {
494 serial_tracker: SerialTracker::new(),
495 globals,
496 wl_seat: seat,
497 wl_pointer: None,
498 wl_keyboard: None,
499 cursor_shape_device: None,
500 data_device,
501 primary_selection,
502 text_input: None,
503 pre_edit_text: None,
504 composing: false,
505 outputs: HashMap::default(),
506 in_progress_outputs,
507 windows: HashMap::default(),
508 common,
509 keymap_state: None,
510 compose_state: None,
511 drag: DragState {
512 data_offer: None,
513 window: None,
514 position: Point::default(),
515 },
516 click: ClickState {
517 last_click: Instant::now(),
518 last_location: Point::default(),
519 current_count: 0,
520 },
521 repeat: KeyRepeat {
522 characters_per_second: 16,
523 delay: Duration::from_millis(500),
524 current_id: 0,
525 current_keycode: None,
526 },
527 modifiers: Modifiers {
528 shift: false,
529 control: false,
530 alt: false,
531 function: false,
532 platform: false,
533 },
534 scroll_event_received: false,
535 axis_source: AxisSource::Wheel,
536 mouse_location: None,
537 continuous_scroll_delta: None,
538 discrete_scroll_delta: None,
539 vertical_modifier: -1.0,
540 horizontal_modifier: -1.0,
541 button_pressed: None,
542 mouse_focused_window: None,
543 keyboard_focused_window: None,
544 loop_handle: handle.clone(),
545 enter_token: None,
546 cursor_style: None,
547 clipboard: Clipboard::new(conn.clone(), handle.clone()),
548 data_offers: Vec::new(),
549 primary_data_offer: None,
550 cursor,
551 pending_activation: None,
552 event_loop: Some(event_loop),
553 }));
554
555 WaylandSource::new(conn, event_queue)
556 .insert(handle)
557 .unwrap();
558
559 Self(state)
560 }
561}
562
563impl LinuxClient for WaylandClient {
564 fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
565 self.0
566 .borrow()
567 .outputs
568 .iter()
569 .map(|(id, output)| {
570 Rc::new(WaylandDisplay {
571 id: id.clone(),
572 name: output.name.clone(),
573 bounds: output.bounds.to_pixels(output.scale as f32),
574 }) as Rc<dyn PlatformDisplay>
575 })
576 .collect()
577 }
578
579 fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
580 self.0
581 .borrow()
582 .outputs
583 .iter()
584 .find_map(|(object_id, output)| {
585 (object_id.protocol_id() == id.0).then(|| {
586 Rc::new(WaylandDisplay {
587 id: object_id.clone(),
588 name: output.name.clone(),
589 bounds: output.bounds.to_pixels(output.scale as f32),
590 }) as Rc<dyn PlatformDisplay>
591 })
592 })
593 }
594
595 fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>> {
596 None
597 }
598
599 fn open_window(
600 &self,
601 handle: AnyWindowHandle,
602 params: WindowParams,
603 ) -> anyhow::Result<Box<dyn PlatformWindow>> {
604 let mut state = self.0.borrow_mut();
605
606 let (window, surface_id) = WaylandWindow::new(
607 handle,
608 state.globals.clone(),
609 WaylandClientStatePtr(Rc::downgrade(&self.0)),
610 params,
611 state.common.appearance,
612 )?;
613 state.windows.insert(surface_id, window.0.clone());
614
615 Ok(Box::new(window))
616 }
617
618 fn set_cursor_style(&self, style: CursorStyle) {
619 let mut state = self.0.borrow_mut();
620
621 let need_update = state
622 .cursor_style
623 .map_or(true, |current_style| current_style != style);
624
625 if need_update {
626 let serial = state.serial_tracker.get(SerialKind::MouseEnter);
627 state.cursor_style = Some(style);
628
629 if let Some(cursor_shape_device) = &state.cursor_shape_device {
630 cursor_shape_device.set_shape(serial, style.to_shape());
631 } else if state.mouse_focused_window.is_some() {
632 // cursor-shape-v1 isn't supported, set the cursor using a surface.
633 let wl_pointer = state
634 .wl_pointer
635 .clone()
636 .expect("window is focused by pointer");
637 state
638 .cursor
639 .set_icon(&wl_pointer, serial, &style.to_icon_name());
640 }
641 }
642 }
643
644 fn open_uri(&self, uri: &str) {
645 let mut state = self.0.borrow_mut();
646 if let (Some(activation), Some(window)) = (
647 state.globals.activation.clone(),
648 state.mouse_focused_window.clone(),
649 ) {
650 state.pending_activation = Some(PendingActivation::Uri(uri.to_string()));
651 let token = activation.get_activation_token(&state.globals.qh, ());
652 let serial = state.serial_tracker.get(SerialKind::MousePress);
653 token.set_serial(serial, &state.wl_seat);
654 token.set_surface(&window.surface());
655 token.commit();
656 } else {
657 let executor = state.common.background_executor.clone();
658 open_uri_internal(executor, uri, None);
659 }
660 }
661
662 fn reveal_path(&self, path: PathBuf) {
663 let mut state = self.0.borrow_mut();
664 if let (Some(activation), Some(window)) = (
665 state.globals.activation.clone(),
666 state.mouse_focused_window.clone(),
667 ) {
668 state.pending_activation = Some(PendingActivation::Path(path));
669 let token = activation.get_activation_token(&state.globals.qh, ());
670 let serial = state.serial_tracker.get(SerialKind::MousePress);
671 token.set_serial(serial, &state.wl_seat);
672 token.set_surface(&window.surface());
673 token.commit();
674 } else {
675 let executor = state.common.background_executor.clone();
676 reveal_path_internal(executor, path, None);
677 }
678 }
679
680 fn with_common<R>(&self, f: impl FnOnce(&mut LinuxCommon) -> R) -> R {
681 f(&mut self.0.borrow_mut().common)
682 }
683
684 fn run(&self) {
685 let mut event_loop = self
686 .0
687 .borrow_mut()
688 .event_loop
689 .take()
690 .expect("App is already running");
691
692 event_loop
693 .run(
694 None,
695 &mut WaylandClientStatePtr(Rc::downgrade(&self.0)),
696 |_| {},
697 )
698 .log_err();
699 }
700
701 fn write_to_primary(&self, item: crate::ClipboardItem) {
702 let mut state = self.0.borrow_mut();
703 let (Some(primary_selection_manager), Some(primary_selection)) = (
704 state.globals.primary_selection_manager.clone(),
705 state.primary_selection.clone(),
706 ) else {
707 return;
708 };
709 if state.mouse_focused_window.is_some() || state.keyboard_focused_window.is_some() {
710 state.clipboard.set_primary(item);
711 let serial = state.serial_tracker.get(SerialKind::KeyPress);
712 let data_source = primary_selection_manager.create_source(&state.globals.qh, ());
713 data_source.offer(state.clipboard.self_mime());
714 data_source.offer(TEXT_MIME_TYPE.to_string());
715 primary_selection.set_selection(Some(&data_source), serial);
716 }
717 }
718
719 fn write_to_clipboard(&self, item: crate::ClipboardItem) {
720 let mut state = self.0.borrow_mut();
721 let (Some(data_device_manager), Some(data_device)) = (
722 state.globals.data_device_manager.clone(),
723 state.data_device.clone(),
724 ) else {
725 return;
726 };
727 if state.mouse_focused_window.is_some() || state.keyboard_focused_window.is_some() {
728 state.clipboard.set(item);
729 let serial = state.serial_tracker.get(SerialKind::KeyPress);
730 let data_source = data_device_manager.create_data_source(&state.globals.qh, ());
731 data_source.offer(state.clipboard.self_mime());
732 data_source.offer(TEXT_MIME_TYPE.to_string());
733 data_device.set_selection(Some(&data_source), serial);
734 }
735 }
736
737 fn read_from_primary(&self) -> Option<crate::ClipboardItem> {
738 self.0.borrow_mut().clipboard.read_primary()
739 }
740
741 fn read_from_clipboard(&self) -> Option<crate::ClipboardItem> {
742 self.0.borrow_mut().clipboard.read()
743 }
744
745 fn active_window(&self) -> Option<AnyWindowHandle> {
746 self.0
747 .borrow_mut()
748 .keyboard_focused_window
749 .as_ref()
750 .map(|window| window.handle())
751 }
752
753 fn compositor_name(&self) -> &'static str {
754 "Wayland"
755 }
756}
757
758impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for WaylandClientStatePtr {
759 fn event(
760 this: &mut Self,
761 registry: &wl_registry::WlRegistry,
762 event: wl_registry::Event,
763 _: &GlobalListContents,
764 _: &Connection,
765 qh: &QueueHandle<Self>,
766 ) {
767 let mut client = this.get_client();
768 let mut state = client.borrow_mut();
769
770 match event {
771 wl_registry::Event::Global {
772 name,
773 interface,
774 version,
775 } => match &interface[..] {
776 "wl_seat" => {
777 if let Some(wl_pointer) = state.wl_pointer.take() {
778 wl_pointer.release();
779 }
780 if let Some(wl_keyboard) = state.wl_keyboard.take() {
781 wl_keyboard.release();
782 }
783 state.wl_seat.release();
784 state.wl_seat = registry.bind::<wl_seat::WlSeat, _, _>(
785 name,
786 wl_seat_version(version),
787 qh,
788 (),
789 );
790 }
791 "wl_output" => {
792 let output = registry.bind::<wl_output::WlOutput, _, _>(
793 name,
794 wl_output_version(version),
795 qh,
796 (),
797 );
798
799 state
800 .in_progress_outputs
801 .insert(output.id(), InProgressOutput::default());
802 }
803 _ => {}
804 },
805 wl_registry::Event::GlobalRemove { name: _ } => {
806 // TODO: handle global removal
807 }
808 _ => {}
809 }
810 }
811}
812
813delegate_noop!(WaylandClientStatePtr: ignore xdg_activation_v1::XdgActivationV1);
814delegate_noop!(WaylandClientStatePtr: ignore wl_compositor::WlCompositor);
815delegate_noop!(WaylandClientStatePtr: ignore wp_cursor_shape_device_v1::WpCursorShapeDeviceV1);
816delegate_noop!(WaylandClientStatePtr: ignore wp_cursor_shape_manager_v1::WpCursorShapeManagerV1);
817delegate_noop!(WaylandClientStatePtr: ignore wl_data_device_manager::WlDataDeviceManager);
818delegate_noop!(WaylandClientStatePtr: ignore zwp_primary_selection_device_manager_v1::ZwpPrimarySelectionDeviceManagerV1);
819delegate_noop!(WaylandClientStatePtr: ignore wl_shm::WlShm);
820delegate_noop!(WaylandClientStatePtr: ignore wl_shm_pool::WlShmPool);
821delegate_noop!(WaylandClientStatePtr: ignore wl_buffer::WlBuffer);
822delegate_noop!(WaylandClientStatePtr: ignore wl_region::WlRegion);
823delegate_noop!(WaylandClientStatePtr: ignore wp_fractional_scale_manager_v1::WpFractionalScaleManagerV1);
824delegate_noop!(WaylandClientStatePtr: ignore zxdg_decoration_manager_v1::ZxdgDecorationManagerV1);
825delegate_noop!(WaylandClientStatePtr: ignore org_kde_kwin_blur_manager::OrgKdeKwinBlurManager);
826delegate_noop!(WaylandClientStatePtr: ignore zwp_text_input_manager_v3::ZwpTextInputManagerV3);
827delegate_noop!(WaylandClientStatePtr: ignore org_kde_kwin_blur::OrgKdeKwinBlur);
828delegate_noop!(WaylandClientStatePtr: ignore wp_viewporter::WpViewporter);
829delegate_noop!(WaylandClientStatePtr: ignore wp_viewport::WpViewport);
830
831impl Dispatch<WlCallback, ObjectId> for WaylandClientStatePtr {
832 fn event(
833 state: &mut WaylandClientStatePtr,
834 _: &wl_callback::WlCallback,
835 event: wl_callback::Event,
836 surface_id: &ObjectId,
837 _: &Connection,
838 _: &QueueHandle<Self>,
839 ) {
840 let client = state.get_client();
841 let mut state = client.borrow_mut();
842 let Some(window) = get_window(&mut state, surface_id) else {
843 return;
844 };
845 drop(state);
846
847 match event {
848 wl_callback::Event::Done { .. } => {
849 window.frame();
850 }
851 _ => {}
852 }
853 }
854}
855
856fn get_window(
857 mut state: &mut RefMut<WaylandClientState>,
858 surface_id: &ObjectId,
859) -> Option<WaylandWindowStatePtr> {
860 state.windows.get(surface_id).cloned()
861}
862
863impl Dispatch<wl_surface::WlSurface, ()> for WaylandClientStatePtr {
864 fn event(
865 this: &mut Self,
866 surface: &wl_surface::WlSurface,
867 event: <wl_surface::WlSurface as Proxy>::Event,
868 _: &(),
869 _: &Connection,
870 _: &QueueHandle<Self>,
871 ) {
872 let mut client = this.get_client();
873 let mut state = client.borrow_mut();
874
875 let Some(window) = get_window(&mut state, &surface.id()) else {
876 return;
877 };
878 #[allow(clippy::mutable_key_type)]
879 let outputs = state.outputs.clone();
880 drop(state);
881
882 window.handle_surface_event(event, outputs);
883 }
884}
885
886impl Dispatch<wl_output::WlOutput, ()> for WaylandClientStatePtr {
887 fn event(
888 this: &mut Self,
889 output: &wl_output::WlOutput,
890 event: <wl_output::WlOutput as Proxy>::Event,
891 _: &(),
892 _: &Connection,
893 _: &QueueHandle<Self>,
894 ) {
895 let mut client = this.get_client();
896 let mut state = client.borrow_mut();
897
898 let Some(mut in_progress_output) = state.in_progress_outputs.get_mut(&output.id()) else {
899 return;
900 };
901
902 match event {
903 wl_output::Event::Name { name } => {
904 in_progress_output.name = Some(name);
905 }
906 wl_output::Event::Scale { factor } => {
907 in_progress_output.scale = Some(factor);
908 }
909 wl_output::Event::Geometry { x, y, .. } => {
910 in_progress_output.position = Some(point(DevicePixels(x), DevicePixels(y)))
911 }
912 wl_output::Event::Mode { width, height, .. } => {
913 in_progress_output.size = Some(size(DevicePixels(width), DevicePixels(height)))
914 }
915 wl_output::Event::Done => {
916 if let Some(complete) = in_progress_output.complete() {
917 state.outputs.insert(output.id(), complete);
918 }
919 state.in_progress_outputs.remove(&output.id());
920 }
921 _ => {}
922 }
923 }
924}
925
926impl Dispatch<xdg_surface::XdgSurface, ObjectId> for WaylandClientStatePtr {
927 fn event(
928 state: &mut Self,
929 _: &xdg_surface::XdgSurface,
930 event: xdg_surface::Event,
931 surface_id: &ObjectId,
932 _: &Connection,
933 _: &QueueHandle<Self>,
934 ) {
935 let client = state.get_client();
936 let mut state = client.borrow_mut();
937 let Some(window) = get_window(&mut state, surface_id) else {
938 return;
939 };
940 drop(state);
941 window.handle_xdg_surface_event(event);
942 }
943}
944
945impl Dispatch<xdg_toplevel::XdgToplevel, ObjectId> for WaylandClientStatePtr {
946 fn event(
947 this: &mut Self,
948 _: &xdg_toplevel::XdgToplevel,
949 event: <xdg_toplevel::XdgToplevel as Proxy>::Event,
950 surface_id: &ObjectId,
951 _: &Connection,
952 _: &QueueHandle<Self>,
953 ) {
954 let client = this.get_client();
955 let mut state = client.borrow_mut();
956 let Some(window) = get_window(&mut state, surface_id) else {
957 return;
958 };
959
960 drop(state);
961 let should_close = window.handle_toplevel_event(event);
962
963 if should_close {
964 this.drop_window(surface_id);
965 }
966 }
967}
968
969impl Dispatch<xdg_wm_base::XdgWmBase, ()> for WaylandClientStatePtr {
970 fn event(
971 _: &mut Self,
972 wm_base: &xdg_wm_base::XdgWmBase,
973 event: <xdg_wm_base::XdgWmBase as Proxy>::Event,
974 _: &(),
975 _: &Connection,
976 _: &QueueHandle<Self>,
977 ) {
978 if let xdg_wm_base::Event::Ping { serial } = event {
979 wm_base.pong(serial);
980 }
981 }
982}
983
984impl Dispatch<xdg_activation_token_v1::XdgActivationTokenV1, ()> for WaylandClientStatePtr {
985 fn event(
986 this: &mut Self,
987 token: &xdg_activation_token_v1::XdgActivationTokenV1,
988 event: <xdg_activation_token_v1::XdgActivationTokenV1 as Proxy>::Event,
989 _: &(),
990 _: &Connection,
991 _: &QueueHandle<Self>,
992 ) {
993 let client = this.get_client();
994 let mut state = client.borrow_mut();
995
996 if let xdg_activation_token_v1::Event::Done { token } = event {
997 let executor = state.common.background_executor.clone();
998 match state.pending_activation.take() {
999 Some(PendingActivation::Uri(uri)) => open_uri_internal(executor, &uri, Some(token)),
1000 Some(PendingActivation::Path(path)) => {
1001 reveal_path_internal(executor, path, Some(token))
1002 }
1003 Some(PendingActivation::Window(window)) => {
1004 let Some(window) = get_window(&mut state, &window) else {
1005 return;
1006 };
1007 let activation = state.globals.activation.as_ref().unwrap();
1008 activation.activate(token, &window.surface());
1009 }
1010 None => log::error!("activation token received with no pending activation"),
1011 }
1012 }
1013
1014 token.destroy();
1015 }
1016}
1017
1018impl Dispatch<wl_seat::WlSeat, ()> for WaylandClientStatePtr {
1019 fn event(
1020 state: &mut Self,
1021 seat: &wl_seat::WlSeat,
1022 event: wl_seat::Event,
1023 _: &(),
1024 _: &Connection,
1025 qh: &QueueHandle<Self>,
1026 ) {
1027 if let wl_seat::Event::Capabilities {
1028 capabilities: WEnum::Value(capabilities),
1029 } = event
1030 {
1031 let client = state.get_client();
1032 let mut state = client.borrow_mut();
1033 if capabilities.contains(wl_seat::Capability::Keyboard) {
1034 let keyboard = seat.get_keyboard(qh, ());
1035
1036 state.text_input = state
1037 .globals
1038 .text_input_manager
1039 .as_ref()
1040 .map(|text_input_manager| text_input_manager.get_text_input(&seat, qh, ()));
1041
1042 if let Some(wl_keyboard) = &state.wl_keyboard {
1043 wl_keyboard.release();
1044 }
1045
1046 state.wl_keyboard = Some(keyboard);
1047 }
1048 if capabilities.contains(wl_seat::Capability::Pointer) {
1049 let pointer = seat.get_pointer(qh, ());
1050 state.cursor_shape_device = state
1051 .globals
1052 .cursor_shape_manager
1053 .as_ref()
1054 .map(|cursor_shape_manager| cursor_shape_manager.get_pointer(&pointer, qh, ()));
1055
1056 if let Some(wl_pointer) = &state.wl_pointer {
1057 wl_pointer.release();
1058 }
1059
1060 state.wl_pointer = Some(pointer);
1061 }
1062 }
1063 }
1064}
1065
1066impl Dispatch<wl_keyboard::WlKeyboard, ()> for WaylandClientStatePtr {
1067 fn event(
1068 this: &mut Self,
1069 _: &wl_keyboard::WlKeyboard,
1070 event: wl_keyboard::Event,
1071 _: &(),
1072 _: &Connection,
1073 _: &QueueHandle<Self>,
1074 ) {
1075 let mut client = this.get_client();
1076 let mut state = client.borrow_mut();
1077 match event {
1078 wl_keyboard::Event::RepeatInfo { rate, delay } => {
1079 state.repeat.characters_per_second = rate as u32;
1080 state.repeat.delay = Duration::from_millis(delay as u64);
1081 }
1082 wl_keyboard::Event::Keymap {
1083 format: WEnum::Value(format),
1084 fd,
1085 size,
1086 ..
1087 } => {
1088 assert_eq!(
1089 format,
1090 wl_keyboard::KeymapFormat::XkbV1,
1091 "Unsupported keymap format"
1092 );
1093 let xkb_context = xkb::Context::new(xkb::CONTEXT_NO_FLAGS);
1094 let keymap = unsafe {
1095 xkb::Keymap::new_from_fd(
1096 &xkb_context,
1097 fd,
1098 size as usize,
1099 XKB_KEYMAP_FORMAT_TEXT_V1,
1100 KEYMAP_COMPILE_NO_FLAGS,
1101 )
1102 .log_err()
1103 .flatten()
1104 .expect("Failed to create keymap")
1105 };
1106 state.keymap_state = Some(xkb::State::new(&keymap));
1107 state.compose_state = get_xkb_compose_state(&xkb_context);
1108 }
1109 wl_keyboard::Event::Enter {
1110 serial, surface, ..
1111 } => {
1112 state.serial_tracker.update(SerialKind::KeyEnter, serial);
1113 state.keyboard_focused_window = get_window(&mut state, &surface.id());
1114 state.enter_token = Some(());
1115
1116 if let Some(window) = state.keyboard_focused_window.clone() {
1117 drop(state);
1118 window.set_focused(true);
1119 }
1120 }
1121 wl_keyboard::Event::Leave { surface, .. } => {
1122 let keyboard_focused_window = get_window(&mut state, &surface.id());
1123 state.keyboard_focused_window = None;
1124 state.enter_token.take();
1125 // Prevent keyboard events from repeating after opening e.g. a file chooser and closing it quickly
1126 state.repeat.current_id += 1;
1127 state.clipboard.set_offer(None);
1128 state.clipboard.set_primary_offer(None);
1129
1130 if let Some(window) = keyboard_focused_window {
1131 if let Some(ref mut compose) = state.compose_state {
1132 compose.reset();
1133 }
1134 state.pre_edit_text.take();
1135 drop(state);
1136 window.handle_ime(ImeInput::DeleteText);
1137 window.set_focused(false);
1138 }
1139 }
1140 wl_keyboard::Event::Modifiers {
1141 mods_depressed,
1142 mods_latched,
1143 mods_locked,
1144 group,
1145 ..
1146 } => {
1147 let focused_window = state.keyboard_focused_window.clone();
1148
1149 let keymap_state = state.keymap_state.as_mut().unwrap();
1150 keymap_state.update_mask(mods_depressed, mods_latched, mods_locked, 0, 0, group);
1151 state.modifiers = Modifiers::from_xkb(keymap_state);
1152
1153 let Some(focused_window) = focused_window else {
1154 return;
1155 };
1156
1157 let input = PlatformInput::ModifiersChanged(ModifiersChangedEvent {
1158 modifiers: state.modifiers,
1159 });
1160
1161 drop(state);
1162 focused_window.handle_input(input);
1163 }
1164 wl_keyboard::Event::Key {
1165 serial,
1166 key,
1167 state: WEnum::Value(key_state),
1168 ..
1169 } => {
1170 state.serial_tracker.update(SerialKind::KeyPress, serial);
1171
1172 let focused_window = state.keyboard_focused_window.clone();
1173 let Some(focused_window) = focused_window else {
1174 return;
1175 };
1176 let focused_window = focused_window.clone();
1177
1178 let keymap_state = state.keymap_state.as_ref().unwrap();
1179 let keycode = Keycode::from(key + MIN_KEYCODE);
1180 let keysym = keymap_state.key_get_one_sym(keycode);
1181
1182 match key_state {
1183 wl_keyboard::KeyState::Pressed if !keysym.is_modifier_key() => {
1184 let mut keystroke =
1185 Keystroke::from_xkb(&keymap_state, state.modifiers, keycode);
1186 if let Some(mut compose) = state.compose_state.take() {
1187 compose.feed(keysym);
1188 match compose.status() {
1189 xkb::Status::Composing => {
1190 keystroke.ime_key = None;
1191 state.pre_edit_text =
1192 compose.utf8().or(Keystroke::underlying_dead_key(keysym));
1193 let pre_edit =
1194 state.pre_edit_text.clone().unwrap_or(String::default());
1195 drop(state);
1196 focused_window.handle_ime(ImeInput::SetMarkedText(pre_edit));
1197 state = client.borrow_mut();
1198 }
1199
1200 xkb::Status::Composed => {
1201 state.pre_edit_text.take();
1202 keystroke.ime_key = compose.utf8();
1203 if let Some(keysym) = compose.keysym() {
1204 keystroke.key = xkb::keysym_get_name(keysym);
1205 }
1206 }
1207 xkb::Status::Cancelled => {
1208 let pre_edit = state.pre_edit_text.take();
1209 drop(state);
1210 if let Some(pre_edit) = pre_edit {
1211 focused_window.handle_ime(ImeInput::InsertText(pre_edit));
1212 }
1213 if let Some(current_key) =
1214 Keystroke::underlying_dead_key(keysym)
1215 {
1216 focused_window
1217 .handle_ime(ImeInput::SetMarkedText(current_key));
1218 }
1219 compose.feed(keysym);
1220 state = client.borrow_mut();
1221 }
1222 _ => {}
1223 }
1224 state.compose_state = Some(compose);
1225 }
1226 let input = PlatformInput::KeyDown(KeyDownEvent {
1227 keystroke: keystroke.clone(),
1228 is_held: false,
1229 });
1230
1231 state.repeat.current_id += 1;
1232 state.repeat.current_keycode = Some(keycode);
1233
1234 let rate = state.repeat.characters_per_second;
1235 let id = state.repeat.current_id;
1236 state
1237 .loop_handle
1238 .insert_source(Timer::from_duration(state.repeat.delay), {
1239 let input = PlatformInput::KeyDown(KeyDownEvent {
1240 keystroke,
1241 is_held: true,
1242 });
1243 move |_event, _metadata, this| {
1244 let mut client = this.get_client();
1245 let mut state = client.borrow_mut();
1246 let is_repeating = id == state.repeat.current_id
1247 && state.repeat.current_keycode.is_some()
1248 && state.keyboard_focused_window.is_some();
1249
1250 if !is_repeating || rate == 0 {
1251 return TimeoutAction::Drop;
1252 }
1253
1254 let focused_window =
1255 state.keyboard_focused_window.as_ref().unwrap().clone();
1256
1257 drop(state);
1258 focused_window.handle_input(input.clone());
1259
1260 TimeoutAction::ToDuration(Duration::from_secs(1) / rate)
1261 }
1262 })
1263 .unwrap();
1264
1265 drop(state);
1266 focused_window.handle_input(input);
1267 }
1268 wl_keyboard::KeyState::Released if !keysym.is_modifier_key() => {
1269 let input = PlatformInput::KeyUp(KeyUpEvent {
1270 keystroke: Keystroke::from_xkb(keymap_state, state.modifiers, keycode),
1271 });
1272
1273 if state.repeat.current_keycode == Some(keycode) {
1274 state.repeat.current_keycode = None;
1275 }
1276
1277 drop(state);
1278 focused_window.handle_input(input);
1279 }
1280 _ => {}
1281 }
1282 }
1283 _ => {}
1284 }
1285 }
1286}
1287impl Dispatch<zwp_text_input_v3::ZwpTextInputV3, ()> for WaylandClientStatePtr {
1288 fn event(
1289 this: &mut Self,
1290 text_input: &zwp_text_input_v3::ZwpTextInputV3,
1291 event: <zwp_text_input_v3::ZwpTextInputV3 as Proxy>::Event,
1292 _: &(),
1293 _: &Connection,
1294 _: &QueueHandle<Self>,
1295 ) {
1296 let client = this.get_client();
1297 let mut state = client.borrow_mut();
1298 match event {
1299 zwp_text_input_v3::Event::Enter { .. } => {
1300 drop(state);
1301 this.enable_ime();
1302 }
1303 zwp_text_input_v3::Event::Leave { .. } => {
1304 drop(state);
1305 this.disable_ime();
1306 }
1307 zwp_text_input_v3::Event::CommitString { text } => {
1308 state.composing = false;
1309 let Some(window) = state.keyboard_focused_window.clone() else {
1310 return;
1311 };
1312
1313 if let Some(commit_text) = text {
1314 drop(state);
1315 // IBus Intercepts keys like `a`, `b`, but those keys are needed for vim mode.
1316 // We should only send ASCII characters to Zed, otherwise a user could remap a letter like `か` or `相`.
1317 if commit_text.len() == 1 {
1318 window.handle_input(PlatformInput::KeyDown(KeyDownEvent {
1319 keystroke: Keystroke {
1320 modifiers: Modifiers::default(),
1321 key: commit_text.clone(),
1322 ime_key: Some(commit_text),
1323 },
1324 is_held: false,
1325 }));
1326 } else {
1327 window.handle_ime(ImeInput::InsertText(commit_text));
1328 }
1329 }
1330 }
1331 zwp_text_input_v3::Event::PreeditString { text, .. } => {
1332 state.composing = true;
1333 state.pre_edit_text = text;
1334 }
1335 zwp_text_input_v3::Event::Done { serial } => {
1336 let last_serial = state.serial_tracker.get(SerialKind::InputMethod);
1337 state.serial_tracker.update(SerialKind::InputMethod, serial);
1338 let Some(window) = state.keyboard_focused_window.clone() else {
1339 return;
1340 };
1341
1342 if let Some(text) = state.pre_edit_text.take() {
1343 drop(state);
1344 window.handle_ime(ImeInput::SetMarkedText(text));
1345 if let Some(area) = window.get_ime_area() {
1346 text_input.set_cursor_rectangle(
1347 area.origin.x.0 as i32,
1348 area.origin.y.0 as i32,
1349 area.size.width.0 as i32,
1350 area.size.height.0 as i32,
1351 );
1352 if last_serial == serial {
1353 text_input.commit();
1354 }
1355 }
1356 } else {
1357 drop(state);
1358 window.handle_ime(ImeInput::DeleteText);
1359 }
1360 }
1361 _ => {}
1362 }
1363 }
1364}
1365
1366fn linux_button_to_gpui(button: u32) -> Option<MouseButton> {
1367 // These values are coming from <linux/input-event-codes.h>.
1368 const BTN_LEFT: u32 = 0x110;
1369 const BTN_RIGHT: u32 = 0x111;
1370 const BTN_MIDDLE: u32 = 0x112;
1371 const BTN_SIDE: u32 = 0x113;
1372 const BTN_EXTRA: u32 = 0x114;
1373 const BTN_FORWARD: u32 = 0x115;
1374 const BTN_BACK: u32 = 0x116;
1375
1376 Some(match button {
1377 BTN_LEFT => MouseButton::Left,
1378 BTN_RIGHT => MouseButton::Right,
1379 BTN_MIDDLE => MouseButton::Middle,
1380 BTN_BACK | BTN_SIDE => MouseButton::Navigate(NavigationDirection::Back),
1381 BTN_FORWARD | BTN_EXTRA => MouseButton::Navigate(NavigationDirection::Forward),
1382 _ => return None,
1383 })
1384}
1385
1386impl Dispatch<wl_pointer::WlPointer, ()> for WaylandClientStatePtr {
1387 fn event(
1388 this: &mut Self,
1389 wl_pointer: &wl_pointer::WlPointer,
1390 event: wl_pointer::Event,
1391 _: &(),
1392 _: &Connection,
1393 _: &QueueHandle<Self>,
1394 ) {
1395 let mut client = this.get_client();
1396 let mut state = client.borrow_mut();
1397
1398 match event {
1399 wl_pointer::Event::Enter {
1400 serial,
1401 surface,
1402 surface_x,
1403 surface_y,
1404 ..
1405 } => {
1406 state.serial_tracker.update(SerialKind::MouseEnter, serial);
1407 state.mouse_location = Some(point(px(surface_x as f32), px(surface_y as f32)));
1408 state.button_pressed = None;
1409
1410 if let Some(window) = get_window(&mut state, &surface.id()) {
1411 state.mouse_focused_window = Some(window.clone());
1412
1413 if state.enter_token.is_some() {
1414 state.enter_token = None;
1415 }
1416 if let Some(style) = state.cursor_style {
1417 if let Some(cursor_shape_device) = &state.cursor_shape_device {
1418 cursor_shape_device.set_shape(serial, style.to_shape());
1419 } else {
1420 state
1421 .cursor
1422 .set_icon(&wl_pointer, serial, &style.to_icon_name());
1423 }
1424 }
1425 drop(state);
1426 window.set_hovered(true);
1427 }
1428 }
1429 wl_pointer::Event::Leave { .. } => {
1430 if let Some(focused_window) = state.mouse_focused_window.clone() {
1431 let input = PlatformInput::MouseExited(MouseExitEvent {
1432 position: state.mouse_location.unwrap(),
1433 pressed_button: state.button_pressed,
1434 modifiers: state.modifiers,
1435 });
1436 state.mouse_focused_window = None;
1437 state.mouse_location = None;
1438 state.button_pressed = None;
1439
1440 drop(state);
1441 focused_window.handle_input(input);
1442 focused_window.set_hovered(false);
1443 }
1444 }
1445 wl_pointer::Event::Motion {
1446 surface_x,
1447 surface_y,
1448 ..
1449 } => {
1450 if state.mouse_focused_window.is_none() {
1451 return;
1452 }
1453 state.mouse_location = Some(point(px(surface_x as f32), px(surface_y as f32)));
1454
1455 if let Some(window) = state.mouse_focused_window.clone() {
1456 if state
1457 .keyboard_focused_window
1458 .as_ref()
1459 .map_or(false, |keyboard_window| window.ptr_eq(&keyboard_window))
1460 {
1461 state.enter_token = None;
1462 }
1463 let input = PlatformInput::MouseMove(MouseMoveEvent {
1464 position: state.mouse_location.unwrap(),
1465 pressed_button: state.button_pressed,
1466 modifiers: state.modifiers,
1467 });
1468 drop(state);
1469 window.handle_input(input);
1470 }
1471 }
1472 wl_pointer::Event::Button {
1473 serial,
1474 button,
1475 state: WEnum::Value(button_state),
1476 ..
1477 } => {
1478 state.serial_tracker.update(SerialKind::MousePress, serial);
1479 let button = linux_button_to_gpui(button);
1480 let Some(button) = button else { return };
1481 if state.mouse_focused_window.is_none() {
1482 return;
1483 }
1484 match button_state {
1485 wl_pointer::ButtonState::Pressed => {
1486 if let Some(window) = state.keyboard_focused_window.clone() {
1487 if state.composing && state.text_input.is_some() {
1488 drop(state);
1489 // text_input_v3 don't have something like a reset function
1490 this.disable_ime();
1491 this.enable_ime();
1492 window.handle_ime(ImeInput::UnmarkText);
1493 state = client.borrow_mut();
1494 } else if let (Some(text), Some(compose)) =
1495 (state.pre_edit_text.take(), state.compose_state.as_mut())
1496 {
1497 compose.reset();
1498 drop(state);
1499 window.handle_ime(ImeInput::InsertText(text));
1500 state = client.borrow_mut();
1501 }
1502 }
1503 let click_elapsed = state.click.last_click.elapsed();
1504
1505 if click_elapsed < DOUBLE_CLICK_INTERVAL
1506 && is_within_click_distance(
1507 state.click.last_location,
1508 state.mouse_location.unwrap(),
1509 )
1510 {
1511 state.click.current_count += 1;
1512 } else {
1513 state.click.current_count = 1;
1514 }
1515
1516 state.click.last_click = Instant::now();
1517 state.click.last_location = state.mouse_location.unwrap();
1518
1519 state.button_pressed = Some(button);
1520
1521 if let Some(window) = state.mouse_focused_window.clone() {
1522 let input = PlatformInput::MouseDown(MouseDownEvent {
1523 button,
1524 position: state.mouse_location.unwrap(),
1525 modifiers: state.modifiers,
1526 click_count: state.click.current_count,
1527 first_mouse: state.enter_token.take().is_some(),
1528 });
1529 drop(state);
1530 window.handle_input(input);
1531 }
1532 }
1533 wl_pointer::ButtonState::Released => {
1534 state.button_pressed = None;
1535
1536 if let Some(window) = state.mouse_focused_window.clone() {
1537 let input = PlatformInput::MouseUp(MouseUpEvent {
1538 button,
1539 position: state.mouse_location.unwrap(),
1540 modifiers: state.modifiers,
1541 click_count: state.click.current_count,
1542 });
1543 drop(state);
1544 window.handle_input(input);
1545 }
1546 }
1547 _ => {}
1548 }
1549 }
1550
1551 // Axis Events
1552 wl_pointer::Event::AxisSource {
1553 axis_source: WEnum::Value(axis_source),
1554 } => {
1555 state.axis_source = axis_source;
1556 }
1557 wl_pointer::Event::Axis {
1558 axis: WEnum::Value(axis),
1559 value,
1560 ..
1561 } => {
1562 if state.axis_source == AxisSource::Wheel {
1563 return;
1564 }
1565 let axis = if state.modifiers.shift {
1566 wl_pointer::Axis::HorizontalScroll
1567 } else {
1568 axis
1569 };
1570 let axis_modifier = match axis {
1571 wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1572 wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1573 _ => 1.0,
1574 };
1575 state.scroll_event_received = true;
1576 let scroll_delta = state
1577 .continuous_scroll_delta
1578 .get_or_insert(point(px(0.0), px(0.0)));
1579 let modifier = 3.0;
1580 match axis {
1581 wl_pointer::Axis::VerticalScroll => {
1582 scroll_delta.y += px(value as f32 * modifier * axis_modifier);
1583 }
1584 wl_pointer::Axis::HorizontalScroll => {
1585 scroll_delta.x += px(value as f32 * modifier * axis_modifier);
1586 }
1587 _ => unreachable!(),
1588 }
1589 }
1590 wl_pointer::Event::AxisDiscrete {
1591 axis: WEnum::Value(axis),
1592 discrete,
1593 } => {
1594 state.scroll_event_received = true;
1595 let axis = if state.modifiers.shift {
1596 wl_pointer::Axis::HorizontalScroll
1597 } else {
1598 axis
1599 };
1600 let axis_modifier = match axis {
1601 wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1602 wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1603 _ => 1.0,
1604 };
1605
1606 let scroll_delta = state.discrete_scroll_delta.get_or_insert(point(0.0, 0.0));
1607 match axis {
1608 wl_pointer::Axis::VerticalScroll => {
1609 scroll_delta.y += discrete as f32 * axis_modifier * SCROLL_LINES as f32;
1610 }
1611 wl_pointer::Axis::HorizontalScroll => {
1612 scroll_delta.x += discrete as f32 * axis_modifier * SCROLL_LINES as f32;
1613 }
1614 _ => unreachable!(),
1615 }
1616 }
1617 wl_pointer::Event::AxisValue120 {
1618 axis: WEnum::Value(axis),
1619 value120,
1620 } => {
1621 state.scroll_event_received = true;
1622 let axis = if state.modifiers.shift {
1623 wl_pointer::Axis::HorizontalScroll
1624 } else {
1625 axis
1626 };
1627 let axis_modifier = match axis {
1628 wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1629 wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1630 _ => unreachable!(),
1631 };
1632
1633 let scroll_delta = state.discrete_scroll_delta.get_or_insert(point(0.0, 0.0));
1634 let wheel_percent = value120 as f32 / 120.0;
1635 match axis {
1636 wl_pointer::Axis::VerticalScroll => {
1637 scroll_delta.y += wheel_percent * axis_modifier * SCROLL_LINES as f32;
1638 }
1639 wl_pointer::Axis::HorizontalScroll => {
1640 scroll_delta.x += wheel_percent * axis_modifier * SCROLL_LINES as f32;
1641 }
1642 _ => unreachable!(),
1643 }
1644 }
1645 wl_pointer::Event::Frame => {
1646 if state.scroll_event_received {
1647 state.scroll_event_received = false;
1648 let continuous = state.continuous_scroll_delta.take();
1649 let discrete = state.discrete_scroll_delta.take();
1650 if let Some(continuous) = continuous {
1651 if let Some(window) = state.mouse_focused_window.clone() {
1652 let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
1653 position: state.mouse_location.unwrap(),
1654 delta: ScrollDelta::Pixels(continuous),
1655 modifiers: state.modifiers,
1656 touch_phase: TouchPhase::Moved,
1657 });
1658 drop(state);
1659 window.handle_input(input);
1660 }
1661 } else if let Some(discrete) = discrete {
1662 if let Some(window) = state.mouse_focused_window.clone() {
1663 let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
1664 position: state.mouse_location.unwrap(),
1665 delta: ScrollDelta::Lines(discrete),
1666 modifiers: state.modifiers,
1667 touch_phase: TouchPhase::Moved,
1668 });
1669 drop(state);
1670 window.handle_input(input);
1671 }
1672 }
1673 }
1674 }
1675 _ => {}
1676 }
1677 }
1678}
1679
1680impl Dispatch<wp_fractional_scale_v1::WpFractionalScaleV1, ObjectId> for WaylandClientStatePtr {
1681 fn event(
1682 this: &mut Self,
1683 _: &wp_fractional_scale_v1::WpFractionalScaleV1,
1684 event: <wp_fractional_scale_v1::WpFractionalScaleV1 as Proxy>::Event,
1685 surface_id: &ObjectId,
1686 _: &Connection,
1687 _: &QueueHandle<Self>,
1688 ) {
1689 let client = this.get_client();
1690 let mut state = client.borrow_mut();
1691
1692 let Some(window) = get_window(&mut state, surface_id) else {
1693 return;
1694 };
1695
1696 drop(state);
1697 window.handle_fractional_scale_event(event);
1698 }
1699}
1700
1701impl Dispatch<zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1, ObjectId>
1702 for WaylandClientStatePtr
1703{
1704 fn event(
1705 this: &mut Self,
1706 _: &zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1,
1707 event: zxdg_toplevel_decoration_v1::Event,
1708 surface_id: &ObjectId,
1709 _: &Connection,
1710 _: &QueueHandle<Self>,
1711 ) {
1712 let client = this.get_client();
1713 let mut state = client.borrow_mut();
1714 let Some(window) = get_window(&mut state, surface_id) else {
1715 return;
1716 };
1717
1718 drop(state);
1719 window.handle_toplevel_decoration_event(event);
1720 }
1721}
1722
1723impl Dispatch<wl_data_device::WlDataDevice, ()> for WaylandClientStatePtr {
1724 fn event(
1725 this: &mut Self,
1726 _: &wl_data_device::WlDataDevice,
1727 event: wl_data_device::Event,
1728 _: &(),
1729 _: &Connection,
1730 _: &QueueHandle<Self>,
1731 ) {
1732 let client = this.get_client();
1733 let mut state = client.borrow_mut();
1734
1735 match event {
1736 // Clipboard
1737 wl_data_device::Event::DataOffer { id: data_offer } => {
1738 state.data_offers.push(DataOffer::new(data_offer));
1739 if state.data_offers.len() > 2 {
1740 // At most we store a clipboard offer and a drag and drop offer.
1741 state.data_offers.remove(0).inner.destroy();
1742 }
1743 }
1744 wl_data_device::Event::Selection { id: data_offer } => {
1745 if let Some(offer) = data_offer {
1746 let offer = state
1747 .data_offers
1748 .iter()
1749 .find(|wrapper| wrapper.inner.id() == offer.id());
1750 let offer = offer.cloned();
1751 state.clipboard.set_offer(offer);
1752 } else {
1753 state.clipboard.set_offer(None);
1754 }
1755 }
1756
1757 // Drag and drop
1758 wl_data_device::Event::Enter {
1759 serial,
1760 surface,
1761 x,
1762 y,
1763 id: data_offer,
1764 } => {
1765 state.serial_tracker.update(SerialKind::DataDevice, serial);
1766 if let Some(data_offer) = data_offer {
1767 let Some(drag_window) = get_window(&mut state, &surface.id()) else {
1768 return;
1769 };
1770
1771 const ACTIONS: DndAction = DndAction::Copy;
1772 data_offer.set_actions(ACTIONS, ACTIONS);
1773
1774 let pipe = Pipe::new().unwrap();
1775 data_offer.receive(FILE_LIST_MIME_TYPE.to_string(), unsafe {
1776 BorrowedFd::borrow_raw(pipe.write.as_raw_fd())
1777 });
1778 let fd = pipe.read;
1779 drop(pipe.write);
1780
1781 let read_task = state
1782 .common
1783 .background_executor
1784 .spawn(async { unsafe { read_fd(fd) } });
1785
1786 let this = this.clone();
1787 state
1788 .common
1789 .foreground_executor
1790 .spawn(async move {
1791 let file_list = match read_task.await {
1792 Ok(list) => list,
1793 Err(err) => {
1794 log::error!("error reading drag and drop pipe: {err:?}");
1795 return;
1796 }
1797 };
1798
1799 let paths: SmallVec<[_; 2]> = file_list
1800 .lines()
1801 .filter_map(|path| Url::parse(path).log_err())
1802 .filter_map(|url| url.to_file_path().log_err())
1803 .collect();
1804 let position = Point::new(x.into(), y.into());
1805
1806 // Prevent dropping text from other programs.
1807 if paths.is_empty() {
1808 data_offer.destroy();
1809 return;
1810 }
1811
1812 let input = PlatformInput::FileDrop(FileDropEvent::Entered {
1813 position,
1814 paths: crate::ExternalPaths(paths),
1815 });
1816
1817 let client = this.get_client();
1818 let mut state = client.borrow_mut();
1819 state.drag.data_offer = Some(data_offer);
1820 state.drag.window = Some(drag_window.clone());
1821 state.drag.position = position;
1822
1823 drop(state);
1824 drag_window.handle_input(input);
1825 })
1826 .detach();
1827 }
1828 }
1829 wl_data_device::Event::Motion { x, y, .. } => {
1830 let Some(drag_window) = state.drag.window.clone() else {
1831 return;
1832 };
1833 let position = Point::new(x.into(), y.into());
1834 state.drag.position = position;
1835
1836 let input = PlatformInput::FileDrop(FileDropEvent::Pending { position });
1837 drop(state);
1838 drag_window.handle_input(input);
1839 }
1840 wl_data_device::Event::Leave => {
1841 let Some(drag_window) = state.drag.window.clone() else {
1842 return;
1843 };
1844 let data_offer = state.drag.data_offer.clone().unwrap();
1845 data_offer.destroy();
1846
1847 state.drag.data_offer = None;
1848 state.drag.window = None;
1849
1850 let input = PlatformInput::FileDrop(FileDropEvent::Exited {});
1851 drop(state);
1852 drag_window.handle_input(input);
1853 }
1854 wl_data_device::Event::Drop => {
1855 let Some(drag_window) = state.drag.window.clone() else {
1856 return;
1857 };
1858 let data_offer = state.drag.data_offer.clone().unwrap();
1859 data_offer.finish();
1860 data_offer.destroy();
1861
1862 state.drag.data_offer = None;
1863 state.drag.window = None;
1864
1865 let input = PlatformInput::FileDrop(FileDropEvent::Submit {
1866 position: state.drag.position,
1867 });
1868 drop(state);
1869 drag_window.handle_input(input);
1870 }
1871 _ => {}
1872 }
1873 }
1874
1875 event_created_child!(WaylandClientStatePtr, wl_data_device::WlDataDevice, [
1876 wl_data_device::EVT_DATA_OFFER_OPCODE => (wl_data_offer::WlDataOffer, ()),
1877 ]);
1878}
1879
1880impl Dispatch<wl_data_offer::WlDataOffer, ()> for WaylandClientStatePtr {
1881 fn event(
1882 this: &mut Self,
1883 data_offer: &wl_data_offer::WlDataOffer,
1884 event: wl_data_offer::Event,
1885 _: &(),
1886 _: &Connection,
1887 _: &QueueHandle<Self>,
1888 ) {
1889 let client = this.get_client();
1890 let mut state = client.borrow_mut();
1891
1892 match event {
1893 wl_data_offer::Event::Offer { mime_type } => {
1894 // Drag and drop
1895 if mime_type == FILE_LIST_MIME_TYPE {
1896 let serial = state.serial_tracker.get(SerialKind::DataDevice);
1897 let mime_type = mime_type.clone();
1898 data_offer.accept(serial, Some(mime_type));
1899 }
1900
1901 // Clipboard
1902 if let Some(offer) = state
1903 .data_offers
1904 .iter_mut()
1905 .find(|wrapper| wrapper.inner.id() == data_offer.id())
1906 {
1907 offer.add_mime_type(mime_type);
1908 }
1909 }
1910 _ => {}
1911 }
1912 }
1913}
1914
1915impl Dispatch<wl_data_source::WlDataSource, ()> for WaylandClientStatePtr {
1916 fn event(
1917 this: &mut Self,
1918 data_source: &wl_data_source::WlDataSource,
1919 event: wl_data_source::Event,
1920 _: &(),
1921 _: &Connection,
1922 _: &QueueHandle<Self>,
1923 ) {
1924 let client = this.get_client();
1925 let mut state = client.borrow_mut();
1926
1927 match event {
1928 wl_data_source::Event::Send { mime_type, fd } => {
1929 state.clipboard.send(mime_type, fd);
1930 }
1931 wl_data_source::Event::Cancelled => {
1932 data_source.destroy();
1933 }
1934 _ => {}
1935 }
1936 }
1937}
1938
1939impl Dispatch<zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1, ()>
1940 for WaylandClientStatePtr
1941{
1942 fn event(
1943 this: &mut Self,
1944 _: &zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1,
1945 event: zwp_primary_selection_device_v1::Event,
1946 _: &(),
1947 _: &Connection,
1948 _: &QueueHandle<Self>,
1949 ) {
1950 let client = this.get_client();
1951 let mut state = client.borrow_mut();
1952
1953 match event {
1954 zwp_primary_selection_device_v1::Event::DataOffer { offer } => {
1955 let old_offer = state.primary_data_offer.replace(DataOffer::new(offer));
1956 if let Some(old_offer) = old_offer {
1957 old_offer.inner.destroy();
1958 }
1959 }
1960 zwp_primary_selection_device_v1::Event::Selection { id: data_offer } => {
1961 if data_offer.is_some() {
1962 let offer = state.primary_data_offer.clone();
1963 state.clipboard.set_primary_offer(offer);
1964 } else {
1965 state.clipboard.set_primary_offer(None);
1966 }
1967 }
1968 _ => {}
1969 }
1970 }
1971
1972 event_created_child!(WaylandClientStatePtr, zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1, [
1973 zwp_primary_selection_device_v1::EVT_DATA_OFFER_OPCODE => (zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1, ()),
1974 ]);
1975}
1976
1977impl Dispatch<zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1, ()>
1978 for WaylandClientStatePtr
1979{
1980 fn event(
1981 this: &mut Self,
1982 _data_offer: &zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1,
1983 event: zwp_primary_selection_offer_v1::Event,
1984 _: &(),
1985 _: &Connection,
1986 _: &QueueHandle<Self>,
1987 ) {
1988 let client = this.get_client();
1989 let mut state = client.borrow_mut();
1990
1991 match event {
1992 zwp_primary_selection_offer_v1::Event::Offer { mime_type } => {
1993 if let Some(offer) = state.primary_data_offer.as_mut() {
1994 offer.add_mime_type(mime_type);
1995 }
1996 }
1997 _ => {}
1998 }
1999 }
2000}
2001
2002impl Dispatch<zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1, ()>
2003 for WaylandClientStatePtr
2004{
2005 fn event(
2006 this: &mut Self,
2007 selection_source: &zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1,
2008 event: zwp_primary_selection_source_v1::Event,
2009 _: &(),
2010 _: &Connection,
2011 _: &QueueHandle<Self>,
2012 ) {
2013 let client = this.get_client();
2014 let mut state = client.borrow_mut();
2015
2016 match event {
2017 zwp_primary_selection_source_v1::Event::Send { mime_type, fd } => {
2018 state.clipboard.send_primary(mime_type, fd);
2019 }
2020 zwp_primary_selection_source_v1::Event::Cancelled => {
2021 selection_source.destroy();
2022 }
2023 _ => {}
2024 }
2025 }
2026}