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