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 ime_pre_edit: Option<String>,
198 composing: bool,
199 // Surface to Window mapping
200 windows: HashMap<ObjectId, WaylandWindowStatePtr>,
201 // Output to scale mapping
202 outputs: HashMap<ObjectId, Output>,
203 in_progress_outputs: HashMap<ObjectId, InProgressOutput>,
204 keymap_state: Option<xkb::State>,
205 compose_state: Option<xkb::compose::State>,
206 drag: DragState,
207 click: ClickState,
208 repeat: KeyRepeat,
209 pub modifiers: Modifiers,
210 axis_source: AxisSource,
211 pub mouse_location: Option<Point<Pixels>>,
212 continuous_scroll_delta: Option<Point<Pixels>>,
213 discrete_scroll_delta: Option<Point<f32>>,
214 vertical_modifier: f32,
215 horizontal_modifier: f32,
216 scroll_event_received: bool,
217 enter_token: Option<()>,
218 button_pressed: Option<MouseButton>,
219 mouse_focused_window: Option<WaylandWindowStatePtr>,
220 keyboard_focused_window: Option<WaylandWindowStatePtr>,
221 loop_handle: LoopHandle<'static, WaylandClientStatePtr>,
222 cursor_style: Option<CursorStyle>,
223 clipboard: Clipboard,
224 data_offers: Vec<DataOffer<WlDataOffer>>,
225 primary_data_offer: Option<DataOffer<ZwpPrimarySelectionOfferV1>>,
226 cursor: Cursor,
227 pending_activation: Option<PendingActivation>,
228 event_loop: Option<EventLoop<'static, WaylandClientStatePtr>>,
229 common: LinuxCommon,
230}
231
232pub struct DragState {
233 data_offer: Option<wl_data_offer::WlDataOffer>,
234 window: Option<WaylandWindowStatePtr>,
235 position: Point<Pixels>,
236}
237
238pub struct ClickState {
239 last_click: Instant,
240 last_location: Point<Pixels>,
241 current_count: usize,
242}
243
244pub(crate) struct KeyRepeat {
245 characters_per_second: u32,
246 delay: Duration,
247 current_id: u64,
248 current_keycode: Option<xkb::Keycode>,
249}
250
251pub(crate) enum PendingActivation {
252 /// URI to open in the web browser.
253 Uri(String),
254 /// Path to open in the file explorer.
255 Path(PathBuf),
256 /// A window from ourselves to raise.
257 Window(ObjectId),
258}
259
260/// This struct is required to conform to Rust's orphan rules, so we can dispatch on the state but hand the
261/// window to GPUI.
262#[derive(Clone)]
263pub struct WaylandClientStatePtr(Weak<RefCell<WaylandClientState>>);
264
265impl WaylandClientStatePtr {
266 pub fn get_client(&self) -> Rc<RefCell<WaylandClientState>> {
267 self.0
268 .upgrade()
269 .expect("The pointer should always be valid when dispatching in wayland")
270 }
271
272 pub fn get_serial(&self, kind: SerialKind) -> u32 {
273 self.0.upgrade().unwrap().borrow().serial_tracker.get(kind)
274 }
275
276 pub fn set_pending_activation(&self, window: ObjectId) {
277 self.0.upgrade().unwrap().borrow_mut().pending_activation =
278 Some(PendingActivation::Window(window));
279 }
280
281 pub fn enable_ime(&self) {
282 let client = self.get_client();
283 let mut state = client.borrow_mut();
284 let Some(mut text_input) = state.text_input.take() else {
285 return;
286 };
287
288 text_input.enable();
289 text_input.set_content_type(ContentHint::None, ContentPurpose::Normal);
290 if let Some(window) = state.keyboard_focused_window.clone() {
291 drop(state);
292 if let Some(area) = window.get_ime_area() {
293 text_input.set_cursor_rectangle(
294 area.origin.x.0 as i32,
295 area.origin.y.0 as i32,
296 area.size.width.0 as i32,
297 area.size.height.0 as i32,
298 );
299 }
300 state = client.borrow_mut();
301 }
302 text_input.commit();
303 state.text_input = Some(text_input);
304 }
305
306 pub fn disable_ime(&self) {
307 let client = self.get_client();
308 let mut state = client.borrow_mut();
309 state.composing = false;
310 if let Some(text_input) = &state.text_input {
311 text_input.disable();
312 text_input.commit();
313 }
314 }
315
316 pub fn update_ime_position(&self, bounds: Bounds<Pixels>) {
317 let client = self.get_client();
318 let mut state = client.borrow_mut();
319 if state.composing || state.text_input.is_none() || state.pre_edit_text.is_some() {
320 return;
321 }
322
323 let text_input = state.text_input.as_ref().unwrap();
324 text_input.set_cursor_rectangle(
325 bounds.origin.x.0 as i32,
326 bounds.origin.y.0 as i32,
327 bounds.size.width.0 as i32,
328 bounds.size.height.0 as i32,
329 );
330 text_input.commit();
331 }
332
333 pub fn drop_window(&self, surface_id: &ObjectId) {
334 let mut client = self.get_client();
335 let mut state = client.borrow_mut();
336 let closed_window = state.windows.remove(surface_id).unwrap();
337 if let Some(window) = state.mouse_focused_window.take() {
338 if !window.ptr_eq(&closed_window) {
339 state.mouse_focused_window = Some(window);
340 }
341 }
342 if let Some(window) = state.keyboard_focused_window.take() {
343 if !window.ptr_eq(&closed_window) {
344 state.keyboard_focused_window = Some(window);
345 }
346 }
347 if state.windows.is_empty() {
348 state.common.signal.stop();
349 }
350 }
351}
352
353#[derive(Clone)]
354pub struct WaylandClient(Rc<RefCell<WaylandClientState>>);
355
356impl Drop for WaylandClient {
357 fn drop(&mut self) {
358 let mut state = self.0.borrow_mut();
359 state.windows.clear();
360
361 if let Some(wl_pointer) = &state.wl_pointer {
362 wl_pointer.release();
363 }
364 if let Some(cursor_shape_device) = &state.cursor_shape_device {
365 cursor_shape_device.destroy();
366 }
367 if let Some(data_device) = &state.data_device {
368 data_device.release();
369 }
370 if let Some(text_input) = &state.text_input {
371 text_input.destroy();
372 }
373 }
374}
375
376const WL_DATA_DEVICE_MANAGER_VERSION: u32 = 3;
377
378fn wl_seat_version(version: u32) -> u32 {
379 // We rely on the wl_pointer.frame event
380 const WL_SEAT_MIN_VERSION: u32 = 5;
381 const WL_SEAT_MAX_VERSION: u32 = 9;
382
383 if version < WL_SEAT_MIN_VERSION {
384 panic!(
385 "wl_seat below required version: {} < {}",
386 version, WL_SEAT_MIN_VERSION
387 );
388 }
389
390 version.clamp(WL_SEAT_MIN_VERSION, WL_SEAT_MAX_VERSION)
391}
392
393fn wl_output_version(version: u32) -> u32 {
394 const WL_OUTPUT_MIN_VERSION: u32 = 2;
395 const WL_OUTPUT_MAX_VERSION: u32 = 4;
396
397 if version < WL_OUTPUT_MIN_VERSION {
398 panic!(
399 "wl_output below required version: {} < {}",
400 version, WL_OUTPUT_MIN_VERSION
401 );
402 }
403
404 version.clamp(WL_OUTPUT_MIN_VERSION, WL_OUTPUT_MAX_VERSION)
405}
406
407impl WaylandClient {
408 pub(crate) fn new() -> Self {
409 let conn = Connection::connect_to_env().unwrap();
410
411 let (globals, mut event_queue) =
412 registry_queue_init::<WaylandClientStatePtr>(&conn).unwrap();
413 let qh = event_queue.handle();
414
415 let mut seat: Option<wl_seat::WlSeat> = None;
416 #[allow(clippy::mutable_key_type)]
417 let mut in_progress_outputs = HashMap::default();
418 globals.contents().with_list(|list| {
419 for global in list {
420 match &global.interface[..] {
421 "wl_seat" => {
422 seat = Some(globals.registry().bind::<wl_seat::WlSeat, _, _>(
423 global.name,
424 wl_seat_version(global.version),
425 &qh,
426 (),
427 ));
428 }
429 "wl_output" => {
430 let output = globals.registry().bind::<wl_output::WlOutput, _, _>(
431 global.name,
432 wl_output_version(global.version),
433 &qh,
434 (),
435 );
436 in_progress_outputs.insert(output.id(), InProgressOutput::default());
437 }
438 _ => {}
439 }
440 }
441 });
442
443 let event_loop = EventLoop::<WaylandClientStatePtr>::try_new().unwrap();
444
445 let (common, main_receiver) = LinuxCommon::new(event_loop.get_signal());
446
447 let handle = event_loop.handle();
448 handle
449 .insert_source(main_receiver, {
450 let handle = handle.clone();
451 move |event, _, _: &mut WaylandClientStatePtr| {
452 if let calloop::channel::Event::Msg(runnable) = event {
453 handle.insert_idle(|_| {
454 runnable.run();
455 });
456 }
457 }
458 })
459 .unwrap();
460
461 let seat = seat.unwrap();
462 let globals = Globals::new(
463 globals,
464 common.foreground_executor.clone(),
465 qh.clone(),
466 seat.clone(),
467 );
468
469 let data_device = globals
470 .data_device_manager
471 .as_ref()
472 .map(|data_device_manager| data_device_manager.get_data_device(&seat, &qh, ()));
473
474 let primary_selection = globals
475 .primary_selection_manager
476 .as_ref()
477 .map(|primary_selection_manager| primary_selection_manager.get_device(&seat, &qh, ()));
478
479 // FIXME: Determine the scaling factor dynamically by the compositor
480 let mut cursor = Cursor::new(&conn, &globals, 24, 2);
481
482 handle
483 .insert_source(XDPEventSource::new(&common.background_executor), {
484 move |event, _, client| match event {
485 XDPEvent::WindowAppearance(appearance) => {
486 if let Some(client) = client.0.upgrade() {
487 let mut client = client.borrow_mut();
488
489 client.common.appearance = appearance;
490
491 for (_, window) in &mut client.windows {
492 window.set_appearance(appearance);
493 }
494 }
495 }
496 XDPEvent::CursorTheme(theme) => {
497 if let Some(client) = client.0.upgrade() {
498 let mut client = client.borrow_mut();
499 client.cursor.set_theme(theme.as_str(), None);
500 }
501 }
502 XDPEvent::CursorSize(size) => {
503 if let Some(client) = client.0.upgrade() {
504 let mut client = client.borrow_mut();
505 client.cursor.set_size(size);
506 }
507 }
508 }
509 })
510 .unwrap();
511
512 let mut state = Rc::new(RefCell::new(WaylandClientState {
513 serial_tracker: SerialTracker::new(),
514 globals,
515 wl_seat: seat,
516 wl_pointer: None,
517 wl_keyboard: None,
518 cursor_shape_device: None,
519 data_device,
520 primary_selection,
521 text_input: None,
522 pre_edit_text: None,
523 ime_pre_edit: None,
524 composing: false,
525 outputs: HashMap::default(),
526 in_progress_outputs,
527 windows: HashMap::default(),
528 common,
529 keymap_state: None,
530 compose_state: None,
531 drag: DragState {
532 data_offer: None,
533 window: None,
534 position: Point::default(),
535 },
536 click: ClickState {
537 last_click: Instant::now(),
538 last_location: Point::default(),
539 current_count: 0,
540 },
541 repeat: KeyRepeat {
542 characters_per_second: 16,
543 delay: Duration::from_millis(500),
544 current_id: 0,
545 current_keycode: None,
546 },
547 modifiers: Modifiers {
548 shift: false,
549 control: false,
550 alt: false,
551 function: false,
552 platform: false,
553 },
554 scroll_event_received: false,
555 axis_source: AxisSource::Wheel,
556 mouse_location: None,
557 continuous_scroll_delta: None,
558 discrete_scroll_delta: None,
559 vertical_modifier: -1.0,
560 horizontal_modifier: -1.0,
561 button_pressed: None,
562 mouse_focused_window: None,
563 keyboard_focused_window: None,
564 loop_handle: handle.clone(),
565 enter_token: None,
566 cursor_style: None,
567 clipboard: Clipboard::new(conn.clone(), handle.clone()),
568 data_offers: Vec::new(),
569 primary_data_offer: None,
570 cursor,
571 pending_activation: None,
572 event_loop: Some(event_loop),
573 }));
574
575 WaylandSource::new(conn, event_queue)
576 .insert(handle)
577 .unwrap();
578
579 Self(state)
580 }
581}
582
583impl LinuxClient for WaylandClient {
584 fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
585 self.0
586 .borrow()
587 .outputs
588 .iter()
589 .map(|(id, output)| {
590 Rc::new(WaylandDisplay {
591 id: id.clone(),
592 name: output.name.clone(),
593 bounds: output.bounds.to_pixels(output.scale as f32),
594 }) as Rc<dyn PlatformDisplay>
595 })
596 .collect()
597 }
598
599 fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
600 self.0
601 .borrow()
602 .outputs
603 .iter()
604 .find_map(|(object_id, output)| {
605 (object_id.protocol_id() == id.0).then(|| {
606 Rc::new(WaylandDisplay {
607 id: object_id.clone(),
608 name: output.name.clone(),
609 bounds: output.bounds.to_pixels(output.scale as f32),
610 }) as Rc<dyn PlatformDisplay>
611 })
612 })
613 }
614
615 fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>> {
616 None
617 }
618
619 fn open_window(
620 &self,
621 handle: AnyWindowHandle,
622 params: WindowParams,
623 ) -> anyhow::Result<Box<dyn PlatformWindow>> {
624 let mut state = self.0.borrow_mut();
625
626 let (window, surface_id) = WaylandWindow::new(
627 handle,
628 state.globals.clone(),
629 WaylandClientStatePtr(Rc::downgrade(&self.0)),
630 params,
631 state.common.appearance,
632 )?;
633 state.windows.insert(surface_id, window.0.clone());
634
635 Ok(Box::new(window))
636 }
637
638 fn set_cursor_style(&self, style: CursorStyle) {
639 let mut state = self.0.borrow_mut();
640
641 let need_update = state
642 .cursor_style
643 .map_or(true, |current_style| current_style != style);
644
645 if need_update {
646 let serial = state.serial_tracker.get(SerialKind::MouseEnter);
647 state.cursor_style = Some(style);
648
649 if let Some(cursor_shape_device) = &state.cursor_shape_device {
650 cursor_shape_device.set_shape(serial, style.to_shape());
651 } else if state.mouse_focused_window.is_some() {
652 // cursor-shape-v1 isn't supported, set the cursor using a surface.
653 let wl_pointer = state
654 .wl_pointer
655 .clone()
656 .expect("window is focused by pointer");
657 state
658 .cursor
659 .set_icon(&wl_pointer, serial, &style.to_icon_name());
660 }
661 }
662 }
663
664 fn open_uri(&self, uri: &str) {
665 let mut state = self.0.borrow_mut();
666 if let (Some(activation), Some(window)) = (
667 state.globals.activation.clone(),
668 state.mouse_focused_window.clone(),
669 ) {
670 state.pending_activation = Some(PendingActivation::Uri(uri.to_string()));
671 let token = activation.get_activation_token(&state.globals.qh, ());
672 let serial = state.serial_tracker.get(SerialKind::MousePress);
673 token.set_serial(serial, &state.wl_seat);
674 token.set_surface(&window.surface());
675 token.commit();
676 } else {
677 let executor = state.common.background_executor.clone();
678 open_uri_internal(executor, uri, None);
679 }
680 }
681
682 fn reveal_path(&self, path: PathBuf) {
683 let mut state = self.0.borrow_mut();
684 if let (Some(activation), Some(window)) = (
685 state.globals.activation.clone(),
686 state.mouse_focused_window.clone(),
687 ) {
688 state.pending_activation = Some(PendingActivation::Path(path));
689 let token = activation.get_activation_token(&state.globals.qh, ());
690 let serial = state.serial_tracker.get(SerialKind::MousePress);
691 token.set_serial(serial, &state.wl_seat);
692 token.set_surface(&window.surface());
693 token.commit();
694 } else {
695 let executor = state.common.background_executor.clone();
696 reveal_path_internal(executor, path, None);
697 }
698 }
699
700 fn with_common<R>(&self, f: impl FnOnce(&mut LinuxCommon) -> R) -> R {
701 f(&mut self.0.borrow_mut().common)
702 }
703
704 fn run(&self) {
705 let mut event_loop = self
706 .0
707 .borrow_mut()
708 .event_loop
709 .take()
710 .expect("App is already running");
711
712 event_loop
713 .run(
714 None,
715 &mut WaylandClientStatePtr(Rc::downgrade(&self.0)),
716 |_| {},
717 )
718 .log_err();
719 }
720
721 fn write_to_primary(&self, item: crate::ClipboardItem) {
722 let mut state = self.0.borrow_mut();
723 let (Some(primary_selection_manager), Some(primary_selection)) = (
724 state.globals.primary_selection_manager.clone(),
725 state.primary_selection.clone(),
726 ) else {
727 return;
728 };
729 if state.mouse_focused_window.is_some() || state.keyboard_focused_window.is_some() {
730 state.clipboard.set_primary(item);
731 let serial = state.serial_tracker.get(SerialKind::KeyPress);
732 let data_source = primary_selection_manager.create_source(&state.globals.qh, ());
733 data_source.offer(state.clipboard.self_mime());
734 data_source.offer(TEXT_MIME_TYPE.to_string());
735 primary_selection.set_selection(Some(&data_source), serial);
736 }
737 }
738
739 fn write_to_clipboard(&self, item: crate::ClipboardItem) {
740 let mut state = self.0.borrow_mut();
741 let (Some(data_device_manager), Some(data_device)) = (
742 state.globals.data_device_manager.clone(),
743 state.data_device.clone(),
744 ) else {
745 return;
746 };
747 if state.mouse_focused_window.is_some() || state.keyboard_focused_window.is_some() {
748 state.clipboard.set(item);
749 let serial = state.serial_tracker.get(SerialKind::KeyPress);
750 let data_source = data_device_manager.create_data_source(&state.globals.qh, ());
751 data_source.offer(state.clipboard.self_mime());
752 data_source.offer(TEXT_MIME_TYPE.to_string());
753 data_device.set_selection(Some(&data_source), serial);
754 }
755 }
756
757 fn read_from_primary(&self) -> Option<crate::ClipboardItem> {
758 self.0.borrow_mut().clipboard.read_primary()
759 }
760
761 fn read_from_clipboard(&self) -> Option<crate::ClipboardItem> {
762 self.0.borrow_mut().clipboard.read()
763 }
764
765 fn active_window(&self) -> Option<AnyWindowHandle> {
766 self.0
767 .borrow_mut()
768 .keyboard_focused_window
769 .as_ref()
770 .map(|window| window.handle())
771 }
772
773 fn window_stack(&self) -> Option<Vec<AnyWindowHandle>> {
774 None
775 }
776
777 fn compositor_name(&self) -> &'static str {
778 "Wayland"
779 }
780}
781
782impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for WaylandClientStatePtr {
783 fn event(
784 this: &mut Self,
785 registry: &wl_registry::WlRegistry,
786 event: wl_registry::Event,
787 _: &GlobalListContents,
788 _: &Connection,
789 qh: &QueueHandle<Self>,
790 ) {
791 let mut client = this.get_client();
792 let mut state = client.borrow_mut();
793
794 match event {
795 wl_registry::Event::Global {
796 name,
797 interface,
798 version,
799 } => match &interface[..] {
800 "wl_seat" => {
801 if let Some(wl_pointer) = state.wl_pointer.take() {
802 wl_pointer.release();
803 }
804 if let Some(wl_keyboard) = state.wl_keyboard.take() {
805 wl_keyboard.release();
806 }
807 state.wl_seat.release();
808 state.wl_seat = registry.bind::<wl_seat::WlSeat, _, _>(
809 name,
810 wl_seat_version(version),
811 qh,
812 (),
813 );
814 }
815 "wl_output" => {
816 let output = registry.bind::<wl_output::WlOutput, _, _>(
817 name,
818 wl_output_version(version),
819 qh,
820 (),
821 );
822
823 state
824 .in_progress_outputs
825 .insert(output.id(), InProgressOutput::default());
826 }
827 _ => {}
828 },
829 wl_registry::Event::GlobalRemove { name: _ } => {
830 // TODO: handle global removal
831 }
832 _ => {}
833 }
834 }
835}
836
837delegate_noop!(WaylandClientStatePtr: ignore xdg_activation_v1::XdgActivationV1);
838delegate_noop!(WaylandClientStatePtr: ignore wl_compositor::WlCompositor);
839delegate_noop!(WaylandClientStatePtr: ignore wp_cursor_shape_device_v1::WpCursorShapeDeviceV1);
840delegate_noop!(WaylandClientStatePtr: ignore wp_cursor_shape_manager_v1::WpCursorShapeManagerV1);
841delegate_noop!(WaylandClientStatePtr: ignore wl_data_device_manager::WlDataDeviceManager);
842delegate_noop!(WaylandClientStatePtr: ignore zwp_primary_selection_device_manager_v1::ZwpPrimarySelectionDeviceManagerV1);
843delegate_noop!(WaylandClientStatePtr: ignore wl_shm::WlShm);
844delegate_noop!(WaylandClientStatePtr: ignore wl_shm_pool::WlShmPool);
845delegate_noop!(WaylandClientStatePtr: ignore wl_buffer::WlBuffer);
846delegate_noop!(WaylandClientStatePtr: ignore wl_region::WlRegion);
847delegate_noop!(WaylandClientStatePtr: ignore wp_fractional_scale_manager_v1::WpFractionalScaleManagerV1);
848delegate_noop!(WaylandClientStatePtr: ignore zxdg_decoration_manager_v1::ZxdgDecorationManagerV1);
849delegate_noop!(WaylandClientStatePtr: ignore org_kde_kwin_blur_manager::OrgKdeKwinBlurManager);
850delegate_noop!(WaylandClientStatePtr: ignore zwp_text_input_manager_v3::ZwpTextInputManagerV3);
851delegate_noop!(WaylandClientStatePtr: ignore org_kde_kwin_blur::OrgKdeKwinBlur);
852delegate_noop!(WaylandClientStatePtr: ignore wp_viewporter::WpViewporter);
853delegate_noop!(WaylandClientStatePtr: ignore wp_viewport::WpViewport);
854
855impl Dispatch<WlCallback, ObjectId> for WaylandClientStatePtr {
856 fn event(
857 state: &mut WaylandClientStatePtr,
858 _: &wl_callback::WlCallback,
859 event: wl_callback::Event,
860 surface_id: &ObjectId,
861 _: &Connection,
862 _: &QueueHandle<Self>,
863 ) {
864 let client = state.get_client();
865 let mut state = client.borrow_mut();
866 let Some(window) = get_window(&mut state, surface_id) else {
867 return;
868 };
869 drop(state);
870
871 match event {
872 wl_callback::Event::Done { .. } => {
873 window.frame();
874 }
875 _ => {}
876 }
877 }
878}
879
880fn get_window(
881 mut state: &mut RefMut<WaylandClientState>,
882 surface_id: &ObjectId,
883) -> Option<WaylandWindowStatePtr> {
884 state.windows.get(surface_id).cloned()
885}
886
887impl Dispatch<wl_surface::WlSurface, ()> for WaylandClientStatePtr {
888 fn event(
889 this: &mut Self,
890 surface: &wl_surface::WlSurface,
891 event: <wl_surface::WlSurface as Proxy>::Event,
892 _: &(),
893 _: &Connection,
894 _: &QueueHandle<Self>,
895 ) {
896 let mut client = this.get_client();
897 let mut state = client.borrow_mut();
898
899 let Some(window) = get_window(&mut state, &surface.id()) else {
900 return;
901 };
902 #[allow(clippy::mutable_key_type)]
903 let outputs = state.outputs.clone();
904 drop(state);
905
906 window.handle_surface_event(event, outputs);
907 }
908}
909
910impl Dispatch<wl_output::WlOutput, ()> for WaylandClientStatePtr {
911 fn event(
912 this: &mut Self,
913 output: &wl_output::WlOutput,
914 event: <wl_output::WlOutput as Proxy>::Event,
915 _: &(),
916 _: &Connection,
917 _: &QueueHandle<Self>,
918 ) {
919 let mut client = this.get_client();
920 let mut state = client.borrow_mut();
921
922 let Some(mut in_progress_output) = state.in_progress_outputs.get_mut(&output.id()) else {
923 return;
924 };
925
926 match event {
927 wl_output::Event::Name { name } => {
928 in_progress_output.name = Some(name);
929 }
930 wl_output::Event::Scale { factor } => {
931 in_progress_output.scale = Some(factor);
932 }
933 wl_output::Event::Geometry { x, y, .. } => {
934 in_progress_output.position = Some(point(DevicePixels(x), DevicePixels(y)))
935 }
936 wl_output::Event::Mode { width, height, .. } => {
937 in_progress_output.size = Some(size(DevicePixels(width), DevicePixels(height)))
938 }
939 wl_output::Event::Done => {
940 if let Some(complete) = in_progress_output.complete() {
941 state.outputs.insert(output.id(), complete);
942 }
943 state.in_progress_outputs.remove(&output.id());
944 }
945 _ => {}
946 }
947 }
948}
949
950impl Dispatch<xdg_surface::XdgSurface, ObjectId> for WaylandClientStatePtr {
951 fn event(
952 state: &mut Self,
953 _: &xdg_surface::XdgSurface,
954 event: xdg_surface::Event,
955 surface_id: &ObjectId,
956 _: &Connection,
957 _: &QueueHandle<Self>,
958 ) {
959 let client = state.get_client();
960 let mut state = client.borrow_mut();
961 let Some(window) = get_window(&mut state, surface_id) else {
962 return;
963 };
964 drop(state);
965 window.handle_xdg_surface_event(event);
966 }
967}
968
969impl Dispatch<xdg_toplevel::XdgToplevel, ObjectId> for WaylandClientStatePtr {
970 fn event(
971 this: &mut Self,
972 _: &xdg_toplevel::XdgToplevel,
973 event: <xdg_toplevel::XdgToplevel as Proxy>::Event,
974 surface_id: &ObjectId,
975 _: &Connection,
976 _: &QueueHandle<Self>,
977 ) {
978 let client = this.get_client();
979 let mut state = client.borrow_mut();
980 let Some(window) = get_window(&mut state, surface_id) else {
981 return;
982 };
983
984 drop(state);
985 let should_close = window.handle_toplevel_event(event);
986
987 if should_close {
988 // The close logic will be handled in drop_window()
989 window.close();
990 }
991 }
992}
993
994impl Dispatch<xdg_wm_base::XdgWmBase, ()> for WaylandClientStatePtr {
995 fn event(
996 _: &mut Self,
997 wm_base: &xdg_wm_base::XdgWmBase,
998 event: <xdg_wm_base::XdgWmBase as Proxy>::Event,
999 _: &(),
1000 _: &Connection,
1001 _: &QueueHandle<Self>,
1002 ) {
1003 if let xdg_wm_base::Event::Ping { serial } = event {
1004 wm_base.pong(serial);
1005 }
1006 }
1007}
1008
1009impl Dispatch<xdg_activation_token_v1::XdgActivationTokenV1, ()> for WaylandClientStatePtr {
1010 fn event(
1011 this: &mut Self,
1012 token: &xdg_activation_token_v1::XdgActivationTokenV1,
1013 event: <xdg_activation_token_v1::XdgActivationTokenV1 as Proxy>::Event,
1014 _: &(),
1015 _: &Connection,
1016 _: &QueueHandle<Self>,
1017 ) {
1018 let client = this.get_client();
1019 let mut state = client.borrow_mut();
1020
1021 if let xdg_activation_token_v1::Event::Done { token } = event {
1022 let executor = state.common.background_executor.clone();
1023 match state.pending_activation.take() {
1024 Some(PendingActivation::Uri(uri)) => open_uri_internal(executor, &uri, Some(token)),
1025 Some(PendingActivation::Path(path)) => {
1026 reveal_path_internal(executor, path, Some(token))
1027 }
1028 Some(PendingActivation::Window(window)) => {
1029 let Some(window) = get_window(&mut state, &window) else {
1030 return;
1031 };
1032 let activation = state.globals.activation.as_ref().unwrap();
1033 activation.activate(token, &window.surface());
1034 }
1035 None => log::error!("activation token received with no pending activation"),
1036 }
1037 }
1038
1039 token.destroy();
1040 }
1041}
1042
1043impl Dispatch<wl_seat::WlSeat, ()> for WaylandClientStatePtr {
1044 fn event(
1045 state: &mut Self,
1046 seat: &wl_seat::WlSeat,
1047 event: wl_seat::Event,
1048 _: &(),
1049 _: &Connection,
1050 qh: &QueueHandle<Self>,
1051 ) {
1052 if let wl_seat::Event::Capabilities {
1053 capabilities: WEnum::Value(capabilities),
1054 } = event
1055 {
1056 let client = state.get_client();
1057 let mut state = client.borrow_mut();
1058 if capabilities.contains(wl_seat::Capability::Keyboard) {
1059 let keyboard = seat.get_keyboard(qh, ());
1060
1061 state.text_input = state
1062 .globals
1063 .text_input_manager
1064 .as_ref()
1065 .map(|text_input_manager| text_input_manager.get_text_input(&seat, qh, ()));
1066
1067 if let Some(wl_keyboard) = &state.wl_keyboard {
1068 wl_keyboard.release();
1069 }
1070
1071 state.wl_keyboard = Some(keyboard);
1072 }
1073 if capabilities.contains(wl_seat::Capability::Pointer) {
1074 let pointer = seat.get_pointer(qh, ());
1075 state.cursor_shape_device = state
1076 .globals
1077 .cursor_shape_manager
1078 .as_ref()
1079 .map(|cursor_shape_manager| cursor_shape_manager.get_pointer(&pointer, qh, ()));
1080
1081 if let Some(wl_pointer) = &state.wl_pointer {
1082 wl_pointer.release();
1083 }
1084
1085 state.wl_pointer = Some(pointer);
1086 }
1087 }
1088 }
1089}
1090
1091impl Dispatch<wl_keyboard::WlKeyboard, ()> for WaylandClientStatePtr {
1092 fn event(
1093 this: &mut Self,
1094 _: &wl_keyboard::WlKeyboard,
1095 event: wl_keyboard::Event,
1096 _: &(),
1097 _: &Connection,
1098 _: &QueueHandle<Self>,
1099 ) {
1100 let mut client = this.get_client();
1101 let mut state = client.borrow_mut();
1102 match event {
1103 wl_keyboard::Event::RepeatInfo { rate, delay } => {
1104 state.repeat.characters_per_second = rate as u32;
1105 state.repeat.delay = Duration::from_millis(delay as u64);
1106 }
1107 wl_keyboard::Event::Keymap {
1108 format: WEnum::Value(format),
1109 fd,
1110 size,
1111 ..
1112 } => {
1113 assert_eq!(
1114 format,
1115 wl_keyboard::KeymapFormat::XkbV1,
1116 "Unsupported keymap format"
1117 );
1118 let xkb_context = xkb::Context::new(xkb::CONTEXT_NO_FLAGS);
1119 let keymap = unsafe {
1120 xkb::Keymap::new_from_fd(
1121 &xkb_context,
1122 fd,
1123 size as usize,
1124 XKB_KEYMAP_FORMAT_TEXT_V1,
1125 KEYMAP_COMPILE_NO_FLAGS,
1126 )
1127 .log_err()
1128 .flatten()
1129 .expect("Failed to create keymap")
1130 };
1131 state.keymap_state = Some(xkb::State::new(&keymap));
1132 state.compose_state = get_xkb_compose_state(&xkb_context);
1133 }
1134 wl_keyboard::Event::Enter { surface, .. } => {
1135 state.keyboard_focused_window = get_window(&mut state, &surface.id());
1136 state.enter_token = Some(());
1137
1138 if let Some(window) = state.keyboard_focused_window.clone() {
1139 drop(state);
1140 window.set_focused(true);
1141 }
1142 }
1143 wl_keyboard::Event::Leave { surface, .. } => {
1144 let keyboard_focused_window = get_window(&mut state, &surface.id());
1145 state.keyboard_focused_window = None;
1146 state.enter_token.take();
1147 // Prevent keyboard events from repeating after opening e.g. a file chooser and closing it quickly
1148 state.repeat.current_id += 1;
1149
1150 if let Some(window) = keyboard_focused_window {
1151 if let Some(ref mut compose) = state.compose_state {
1152 compose.reset();
1153 }
1154 state.pre_edit_text.take();
1155 drop(state);
1156 window.handle_ime(ImeInput::DeleteText);
1157 window.set_focused(false);
1158 }
1159 }
1160 wl_keyboard::Event::Modifiers {
1161 mods_depressed,
1162 mods_latched,
1163 mods_locked,
1164 group,
1165 ..
1166 } => {
1167 let focused_window = state.keyboard_focused_window.clone();
1168
1169 let keymap_state = state.keymap_state.as_mut().unwrap();
1170 keymap_state.update_mask(mods_depressed, mods_latched, mods_locked, 0, 0, group);
1171 state.modifiers = Modifiers::from_xkb(keymap_state);
1172
1173 let Some(focused_window) = focused_window else {
1174 return;
1175 };
1176
1177 let input = PlatformInput::ModifiersChanged(ModifiersChangedEvent {
1178 modifiers: state.modifiers,
1179 });
1180
1181 drop(state);
1182 focused_window.handle_input(input);
1183 }
1184 wl_keyboard::Event::Key {
1185 serial,
1186 key,
1187 state: WEnum::Value(key_state),
1188 ..
1189 } => {
1190 state.serial_tracker.update(SerialKind::KeyPress, serial);
1191
1192 let focused_window = state.keyboard_focused_window.clone();
1193 let Some(focused_window) = focused_window else {
1194 return;
1195 };
1196 let focused_window = focused_window.clone();
1197
1198 let keymap_state = state.keymap_state.as_ref().unwrap();
1199 let keycode = Keycode::from(key + MIN_KEYCODE);
1200 let keysym = keymap_state.key_get_one_sym(keycode);
1201
1202 match key_state {
1203 wl_keyboard::KeyState::Pressed if !keysym.is_modifier_key() => {
1204 let mut keystroke =
1205 Keystroke::from_xkb(&keymap_state, state.modifiers, keycode);
1206 if let Some(mut compose) = state.compose_state.take() {
1207 compose.feed(keysym);
1208 match compose.status() {
1209 xkb::Status::Composing => {
1210 keystroke.ime_key = None;
1211 state.pre_edit_text =
1212 compose.utf8().or(Keystroke::underlying_dead_key(keysym));
1213 let pre_edit =
1214 state.pre_edit_text.clone().unwrap_or(String::default());
1215 drop(state);
1216 focused_window.handle_ime(ImeInput::SetMarkedText(pre_edit));
1217 state = client.borrow_mut();
1218 }
1219
1220 xkb::Status::Composed => {
1221 state.pre_edit_text.take();
1222 keystroke.ime_key = compose.utf8();
1223 if let Some(keysym) = compose.keysym() {
1224 keystroke.key = xkb::keysym_get_name(keysym);
1225 }
1226 }
1227 xkb::Status::Cancelled => {
1228 let pre_edit = state.pre_edit_text.take();
1229 let new_pre_edit = Keystroke::underlying_dead_key(keysym);
1230 state.pre_edit_text = new_pre_edit.clone();
1231 drop(state);
1232 if let Some(pre_edit) = pre_edit {
1233 focused_window.handle_ime(ImeInput::InsertText(pre_edit));
1234 }
1235 if let Some(current_key) = new_pre_edit {
1236 focused_window
1237 .handle_ime(ImeInput::SetMarkedText(current_key));
1238 }
1239 compose.feed(keysym);
1240 state = client.borrow_mut();
1241 }
1242 _ => {}
1243 }
1244 state.compose_state = Some(compose);
1245 }
1246 let input = PlatformInput::KeyDown(KeyDownEvent {
1247 keystroke: keystroke.clone(),
1248 is_held: false,
1249 });
1250
1251 state.repeat.current_id += 1;
1252 state.repeat.current_keycode = Some(keycode);
1253
1254 let rate = state.repeat.characters_per_second;
1255 let id = state.repeat.current_id;
1256 state
1257 .loop_handle
1258 .insert_source(Timer::from_duration(state.repeat.delay), {
1259 let input = PlatformInput::KeyDown(KeyDownEvent {
1260 keystroke,
1261 is_held: true,
1262 });
1263 move |_event, _metadata, this| {
1264 let mut client = this.get_client();
1265 let mut state = client.borrow_mut();
1266 let is_repeating = id == state.repeat.current_id
1267 && state.repeat.current_keycode.is_some()
1268 && state.keyboard_focused_window.is_some();
1269
1270 if !is_repeating || rate == 0 {
1271 return TimeoutAction::Drop;
1272 }
1273
1274 let focused_window =
1275 state.keyboard_focused_window.as_ref().unwrap().clone();
1276
1277 drop(state);
1278 focused_window.handle_input(input.clone());
1279
1280 TimeoutAction::ToDuration(Duration::from_secs(1) / rate)
1281 }
1282 })
1283 .unwrap();
1284
1285 drop(state);
1286 focused_window.handle_input(input);
1287 }
1288 wl_keyboard::KeyState::Released if !keysym.is_modifier_key() => {
1289 let input = PlatformInput::KeyUp(KeyUpEvent {
1290 keystroke: Keystroke::from_xkb(keymap_state, state.modifiers, keycode),
1291 });
1292
1293 if state.repeat.current_keycode == Some(keycode) {
1294 state.repeat.current_keycode = None;
1295 }
1296
1297 drop(state);
1298 focused_window.handle_input(input);
1299 }
1300 _ => {}
1301 }
1302 }
1303 _ => {}
1304 }
1305 }
1306}
1307impl Dispatch<zwp_text_input_v3::ZwpTextInputV3, ()> for WaylandClientStatePtr {
1308 fn event(
1309 this: &mut Self,
1310 text_input: &zwp_text_input_v3::ZwpTextInputV3,
1311 event: <zwp_text_input_v3::ZwpTextInputV3 as Proxy>::Event,
1312 _: &(),
1313 _: &Connection,
1314 _: &QueueHandle<Self>,
1315 ) {
1316 let client = this.get_client();
1317 let mut state = client.borrow_mut();
1318 match event {
1319 zwp_text_input_v3::Event::Enter { .. } => {
1320 drop(state);
1321 this.enable_ime();
1322 }
1323 zwp_text_input_v3::Event::Leave { .. } => {
1324 drop(state);
1325 this.disable_ime();
1326 }
1327 zwp_text_input_v3::Event::CommitString { text } => {
1328 state.composing = false;
1329 let Some(window) = state.keyboard_focused_window.clone() else {
1330 return;
1331 };
1332
1333 if let Some(commit_text) = text {
1334 drop(state);
1335 // IBus Intercepts keys like `a`, `b`, but those keys are needed for vim mode.
1336 // We should only send ASCII characters to Zed, otherwise a user could remap a letter like `か` or `相`.
1337 if commit_text.len() == 1 {
1338 window.handle_input(PlatformInput::KeyDown(KeyDownEvent {
1339 keystroke: Keystroke {
1340 modifiers: Modifiers::default(),
1341 key: commit_text.clone(),
1342 ime_key: Some(commit_text),
1343 },
1344 is_held: false,
1345 }));
1346 } else {
1347 window.handle_ime(ImeInput::InsertText(commit_text));
1348 }
1349 }
1350 }
1351 zwp_text_input_v3::Event::PreeditString { text, .. } => {
1352 state.composing = true;
1353 state.ime_pre_edit = text;
1354 }
1355 zwp_text_input_v3::Event::Done { serial } => {
1356 let last_serial = state.serial_tracker.get(SerialKind::InputMethod);
1357 state.serial_tracker.update(SerialKind::InputMethod, serial);
1358 let Some(window) = state.keyboard_focused_window.clone() else {
1359 return;
1360 };
1361
1362 if let Some(text) = state.ime_pre_edit.take() {
1363 drop(state);
1364 window.handle_ime(ImeInput::SetMarkedText(text));
1365 if let Some(area) = window.get_ime_area() {
1366 text_input.set_cursor_rectangle(
1367 area.origin.x.0 as i32,
1368 area.origin.y.0 as i32,
1369 area.size.width.0 as i32,
1370 area.size.height.0 as i32,
1371 );
1372 if last_serial == serial {
1373 text_input.commit();
1374 }
1375 }
1376 } else {
1377 state.composing = false;
1378 drop(state);
1379 window.handle_ime(ImeInput::DeleteText);
1380 }
1381 }
1382 _ => {}
1383 }
1384 }
1385}
1386
1387fn linux_button_to_gpui(button: u32) -> Option<MouseButton> {
1388 // These values are coming from <linux/input-event-codes.h>.
1389 const BTN_LEFT: u32 = 0x110;
1390 const BTN_RIGHT: u32 = 0x111;
1391 const BTN_MIDDLE: u32 = 0x112;
1392 const BTN_SIDE: u32 = 0x113;
1393 const BTN_EXTRA: u32 = 0x114;
1394 const BTN_FORWARD: u32 = 0x115;
1395 const BTN_BACK: u32 = 0x116;
1396
1397 Some(match button {
1398 BTN_LEFT => MouseButton::Left,
1399 BTN_RIGHT => MouseButton::Right,
1400 BTN_MIDDLE => MouseButton::Middle,
1401 BTN_BACK | BTN_SIDE => MouseButton::Navigate(NavigationDirection::Back),
1402 BTN_FORWARD | BTN_EXTRA => MouseButton::Navigate(NavigationDirection::Forward),
1403 _ => return None,
1404 })
1405}
1406
1407impl Dispatch<wl_pointer::WlPointer, ()> for WaylandClientStatePtr {
1408 fn event(
1409 this: &mut Self,
1410 wl_pointer: &wl_pointer::WlPointer,
1411 event: wl_pointer::Event,
1412 _: &(),
1413 _: &Connection,
1414 _: &QueueHandle<Self>,
1415 ) {
1416 let mut client = this.get_client();
1417 let mut state = client.borrow_mut();
1418
1419 match event {
1420 wl_pointer::Event::Enter {
1421 serial,
1422 surface,
1423 surface_x,
1424 surface_y,
1425 ..
1426 } => {
1427 state.serial_tracker.update(SerialKind::MouseEnter, serial);
1428 state.mouse_location = Some(point(px(surface_x as f32), px(surface_y as f32)));
1429 state.button_pressed = None;
1430
1431 if let Some(window) = get_window(&mut state, &surface.id()) {
1432 state.mouse_focused_window = Some(window.clone());
1433
1434 if state.enter_token.is_some() {
1435 state.enter_token = None;
1436 }
1437 if let Some(style) = state.cursor_style {
1438 if let Some(cursor_shape_device) = &state.cursor_shape_device {
1439 cursor_shape_device.set_shape(serial, style.to_shape());
1440 } else {
1441 state
1442 .cursor
1443 .set_icon(&wl_pointer, serial, &style.to_icon_name());
1444 }
1445 }
1446 drop(state);
1447 window.set_hovered(true);
1448 }
1449 }
1450 wl_pointer::Event::Leave { .. } => {
1451 if let Some(focused_window) = state.mouse_focused_window.clone() {
1452 let input = PlatformInput::MouseExited(MouseExitEvent {
1453 position: state.mouse_location.unwrap(),
1454 pressed_button: state.button_pressed,
1455 modifiers: state.modifiers,
1456 });
1457 state.mouse_focused_window = None;
1458 state.mouse_location = None;
1459 state.button_pressed = None;
1460
1461 drop(state);
1462 focused_window.handle_input(input);
1463 focused_window.set_hovered(false);
1464 }
1465 }
1466 wl_pointer::Event::Motion {
1467 surface_x,
1468 surface_y,
1469 ..
1470 } => {
1471 if state.mouse_focused_window.is_none() {
1472 return;
1473 }
1474 state.mouse_location = Some(point(px(surface_x as f32), px(surface_y as f32)));
1475
1476 if let Some(window) = state.mouse_focused_window.clone() {
1477 if state
1478 .keyboard_focused_window
1479 .as_ref()
1480 .map_or(false, |keyboard_window| window.ptr_eq(&keyboard_window))
1481 {
1482 state.enter_token = None;
1483 }
1484 let input = PlatformInput::MouseMove(MouseMoveEvent {
1485 position: state.mouse_location.unwrap(),
1486 pressed_button: state.button_pressed,
1487 modifiers: state.modifiers,
1488 });
1489 drop(state);
1490 window.handle_input(input);
1491 }
1492 }
1493 wl_pointer::Event::Button {
1494 serial,
1495 button,
1496 state: WEnum::Value(button_state),
1497 ..
1498 } => {
1499 state.serial_tracker.update(SerialKind::MousePress, serial);
1500 let button = linux_button_to_gpui(button);
1501 let Some(button) = button else { return };
1502 if state.mouse_focused_window.is_none() {
1503 return;
1504 }
1505 match button_state {
1506 wl_pointer::ButtonState::Pressed => {
1507 if let Some(window) = state.keyboard_focused_window.clone() {
1508 if state.composing && state.text_input.is_some() {
1509 drop(state);
1510 // text_input_v3 don't have something like a reset function
1511 this.disable_ime();
1512 this.enable_ime();
1513 window.handle_ime(ImeInput::UnmarkText);
1514 state = client.borrow_mut();
1515 } else if let (Some(text), Some(compose)) =
1516 (state.pre_edit_text.take(), state.compose_state.as_mut())
1517 {
1518 compose.reset();
1519 drop(state);
1520 window.handle_ime(ImeInput::InsertText(text));
1521 state = client.borrow_mut();
1522 }
1523 }
1524 let click_elapsed = state.click.last_click.elapsed();
1525
1526 if click_elapsed < DOUBLE_CLICK_INTERVAL
1527 && is_within_click_distance(
1528 state.click.last_location,
1529 state.mouse_location.unwrap(),
1530 )
1531 {
1532 state.click.current_count += 1;
1533 } else {
1534 state.click.current_count = 1;
1535 }
1536
1537 state.click.last_click = Instant::now();
1538 state.click.last_location = state.mouse_location.unwrap();
1539
1540 state.button_pressed = Some(button);
1541
1542 if let Some(window) = state.mouse_focused_window.clone() {
1543 let input = PlatformInput::MouseDown(MouseDownEvent {
1544 button,
1545 position: state.mouse_location.unwrap(),
1546 modifiers: state.modifiers,
1547 click_count: state.click.current_count,
1548 first_mouse: state.enter_token.take().is_some(),
1549 });
1550 drop(state);
1551 window.handle_input(input);
1552 }
1553 }
1554 wl_pointer::ButtonState::Released => {
1555 state.button_pressed = None;
1556
1557 if let Some(window) = state.mouse_focused_window.clone() {
1558 let input = PlatformInput::MouseUp(MouseUpEvent {
1559 button,
1560 position: state.mouse_location.unwrap(),
1561 modifiers: state.modifiers,
1562 click_count: state.click.current_count,
1563 });
1564 drop(state);
1565 window.handle_input(input);
1566 }
1567 }
1568 _ => {}
1569 }
1570 }
1571
1572 // Axis Events
1573 wl_pointer::Event::AxisSource {
1574 axis_source: WEnum::Value(axis_source),
1575 } => {
1576 state.axis_source = axis_source;
1577 }
1578 wl_pointer::Event::Axis {
1579 axis: WEnum::Value(axis),
1580 value,
1581 ..
1582 } => {
1583 if state.axis_source == AxisSource::Wheel {
1584 return;
1585 }
1586 let axis = if state.modifiers.shift {
1587 wl_pointer::Axis::HorizontalScroll
1588 } else {
1589 axis
1590 };
1591 let axis_modifier = match axis {
1592 wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1593 wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1594 _ => 1.0,
1595 };
1596 state.scroll_event_received = true;
1597 let scroll_delta = state
1598 .continuous_scroll_delta
1599 .get_or_insert(point(px(0.0), px(0.0)));
1600 let modifier = 3.0;
1601 match axis {
1602 wl_pointer::Axis::VerticalScroll => {
1603 scroll_delta.y += px(value as f32 * modifier * axis_modifier);
1604 }
1605 wl_pointer::Axis::HorizontalScroll => {
1606 scroll_delta.x += px(value as f32 * modifier * axis_modifier);
1607 }
1608 _ => unreachable!(),
1609 }
1610 }
1611 wl_pointer::Event::AxisDiscrete {
1612 axis: WEnum::Value(axis),
1613 discrete,
1614 } => {
1615 state.scroll_event_received = true;
1616 let axis = if state.modifiers.shift {
1617 wl_pointer::Axis::HorizontalScroll
1618 } else {
1619 axis
1620 };
1621 let axis_modifier = match axis {
1622 wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1623 wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1624 _ => 1.0,
1625 };
1626
1627 let scroll_delta = state.discrete_scroll_delta.get_or_insert(point(0.0, 0.0));
1628 match axis {
1629 wl_pointer::Axis::VerticalScroll => {
1630 scroll_delta.y += discrete as f32 * axis_modifier * SCROLL_LINES as f32;
1631 }
1632 wl_pointer::Axis::HorizontalScroll => {
1633 scroll_delta.x += discrete as f32 * axis_modifier * SCROLL_LINES as f32;
1634 }
1635 _ => unreachable!(),
1636 }
1637 }
1638 wl_pointer::Event::AxisValue120 {
1639 axis: WEnum::Value(axis),
1640 value120,
1641 } => {
1642 state.scroll_event_received = true;
1643 let axis = if state.modifiers.shift {
1644 wl_pointer::Axis::HorizontalScroll
1645 } else {
1646 axis
1647 };
1648 let axis_modifier = match axis {
1649 wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1650 wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1651 _ => unreachable!(),
1652 };
1653
1654 let scroll_delta = state.discrete_scroll_delta.get_or_insert(point(0.0, 0.0));
1655 let wheel_percent = value120 as f32 / 120.0;
1656 match axis {
1657 wl_pointer::Axis::VerticalScroll => {
1658 scroll_delta.y += wheel_percent * axis_modifier * SCROLL_LINES as f32;
1659 }
1660 wl_pointer::Axis::HorizontalScroll => {
1661 scroll_delta.x += wheel_percent * axis_modifier * SCROLL_LINES as f32;
1662 }
1663 _ => unreachable!(),
1664 }
1665 }
1666 wl_pointer::Event::Frame => {
1667 if state.scroll_event_received {
1668 state.scroll_event_received = false;
1669 let continuous = state.continuous_scroll_delta.take();
1670 let discrete = state.discrete_scroll_delta.take();
1671 if let Some(continuous) = continuous {
1672 if let Some(window) = state.mouse_focused_window.clone() {
1673 let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
1674 position: state.mouse_location.unwrap(),
1675 delta: ScrollDelta::Pixels(continuous),
1676 modifiers: state.modifiers,
1677 touch_phase: TouchPhase::Moved,
1678 });
1679 drop(state);
1680 window.handle_input(input);
1681 }
1682 } else if let Some(discrete) = discrete {
1683 if let Some(window) = state.mouse_focused_window.clone() {
1684 let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
1685 position: state.mouse_location.unwrap(),
1686 delta: ScrollDelta::Lines(discrete),
1687 modifiers: state.modifiers,
1688 touch_phase: TouchPhase::Moved,
1689 });
1690 drop(state);
1691 window.handle_input(input);
1692 }
1693 }
1694 }
1695 }
1696 _ => {}
1697 }
1698 }
1699}
1700
1701impl Dispatch<wp_fractional_scale_v1::WpFractionalScaleV1, ObjectId> for WaylandClientStatePtr {
1702 fn event(
1703 this: &mut Self,
1704 _: &wp_fractional_scale_v1::WpFractionalScaleV1,
1705 event: <wp_fractional_scale_v1::WpFractionalScaleV1 as Proxy>::Event,
1706 surface_id: &ObjectId,
1707 _: &Connection,
1708 _: &QueueHandle<Self>,
1709 ) {
1710 let client = this.get_client();
1711 let mut state = client.borrow_mut();
1712
1713 let Some(window) = get_window(&mut state, surface_id) else {
1714 return;
1715 };
1716
1717 drop(state);
1718 window.handle_fractional_scale_event(event);
1719 }
1720}
1721
1722impl Dispatch<zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1, ObjectId>
1723 for WaylandClientStatePtr
1724{
1725 fn event(
1726 this: &mut Self,
1727 _: &zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1,
1728 event: zxdg_toplevel_decoration_v1::Event,
1729 surface_id: &ObjectId,
1730 _: &Connection,
1731 _: &QueueHandle<Self>,
1732 ) {
1733 let client = this.get_client();
1734 let mut state = client.borrow_mut();
1735 let Some(window) = get_window(&mut state, surface_id) else {
1736 return;
1737 };
1738
1739 drop(state);
1740 window.handle_toplevel_decoration_event(event);
1741 }
1742}
1743
1744impl Dispatch<wl_data_device::WlDataDevice, ()> for WaylandClientStatePtr {
1745 fn event(
1746 this: &mut Self,
1747 _: &wl_data_device::WlDataDevice,
1748 event: wl_data_device::Event,
1749 _: &(),
1750 _: &Connection,
1751 _: &QueueHandle<Self>,
1752 ) {
1753 let client = this.get_client();
1754 let mut state = client.borrow_mut();
1755
1756 match event {
1757 // Clipboard
1758 wl_data_device::Event::DataOffer { id: data_offer } => {
1759 state.data_offers.push(DataOffer::new(data_offer));
1760 if state.data_offers.len() > 2 {
1761 // At most we store a clipboard offer and a drag and drop offer.
1762 state.data_offers.remove(0).inner.destroy();
1763 }
1764 }
1765 wl_data_device::Event::Selection { id: data_offer } => {
1766 if let Some(offer) = data_offer {
1767 let offer = state
1768 .data_offers
1769 .iter()
1770 .find(|wrapper| wrapper.inner.id() == offer.id());
1771 let offer = offer.cloned();
1772 state.clipboard.set_offer(offer);
1773 } else {
1774 state.clipboard.set_offer(None);
1775 }
1776 }
1777
1778 // Drag and drop
1779 wl_data_device::Event::Enter {
1780 serial,
1781 surface,
1782 x,
1783 y,
1784 id: data_offer,
1785 } => {
1786 state.serial_tracker.update(SerialKind::DataDevice, serial);
1787 if let Some(data_offer) = data_offer {
1788 let Some(drag_window) = get_window(&mut state, &surface.id()) else {
1789 return;
1790 };
1791
1792 const ACTIONS: DndAction = DndAction::Copy;
1793 data_offer.set_actions(ACTIONS, ACTIONS);
1794
1795 let pipe = Pipe::new().unwrap();
1796 data_offer.receive(FILE_LIST_MIME_TYPE.to_string(), unsafe {
1797 BorrowedFd::borrow_raw(pipe.write.as_raw_fd())
1798 });
1799 let fd = pipe.read;
1800 drop(pipe.write);
1801
1802 let read_task = state
1803 .common
1804 .background_executor
1805 .spawn(async { unsafe { read_fd(fd) } });
1806
1807 let this = this.clone();
1808 state
1809 .common
1810 .foreground_executor
1811 .spawn(async move {
1812 let file_list = match read_task.await {
1813 Ok(list) => list,
1814 Err(err) => {
1815 log::error!("error reading drag and drop pipe: {err:?}");
1816 return;
1817 }
1818 };
1819
1820 let paths: SmallVec<[_; 2]> = file_list
1821 .lines()
1822 .filter_map(|path| Url::parse(path).log_err())
1823 .filter_map(|url| url.to_file_path().log_err())
1824 .collect();
1825 let position = Point::new(x.into(), y.into());
1826
1827 // Prevent dropping text from other programs.
1828 if paths.is_empty() {
1829 data_offer.destroy();
1830 return;
1831 }
1832
1833 let input = PlatformInput::FileDrop(FileDropEvent::Entered {
1834 position,
1835 paths: crate::ExternalPaths(paths),
1836 });
1837
1838 let client = this.get_client();
1839 let mut state = client.borrow_mut();
1840 state.drag.data_offer = Some(data_offer);
1841 state.drag.window = Some(drag_window.clone());
1842 state.drag.position = position;
1843
1844 drop(state);
1845 drag_window.handle_input(input);
1846 })
1847 .detach();
1848 }
1849 }
1850 wl_data_device::Event::Motion { x, y, .. } => {
1851 let Some(drag_window) = state.drag.window.clone() else {
1852 return;
1853 };
1854 let position = Point::new(x.into(), y.into());
1855 state.drag.position = position;
1856
1857 let input = PlatformInput::FileDrop(FileDropEvent::Pending { position });
1858 drop(state);
1859 drag_window.handle_input(input);
1860 }
1861 wl_data_device::Event::Leave => {
1862 let Some(drag_window) = state.drag.window.clone() else {
1863 return;
1864 };
1865 let data_offer = state.drag.data_offer.clone().unwrap();
1866 data_offer.destroy();
1867
1868 state.drag.data_offer = None;
1869 state.drag.window = None;
1870
1871 let input = PlatformInput::FileDrop(FileDropEvent::Exited {});
1872 drop(state);
1873 drag_window.handle_input(input);
1874 }
1875 wl_data_device::Event::Drop => {
1876 let Some(drag_window) = state.drag.window.clone() else {
1877 return;
1878 };
1879 let data_offer = state.drag.data_offer.clone().unwrap();
1880 data_offer.finish();
1881 data_offer.destroy();
1882
1883 state.drag.data_offer = None;
1884 state.drag.window = None;
1885
1886 let input = PlatformInput::FileDrop(FileDropEvent::Submit {
1887 position: state.drag.position,
1888 });
1889 drop(state);
1890 drag_window.handle_input(input);
1891 }
1892 _ => {}
1893 }
1894 }
1895
1896 event_created_child!(WaylandClientStatePtr, wl_data_device::WlDataDevice, [
1897 wl_data_device::EVT_DATA_OFFER_OPCODE => (wl_data_offer::WlDataOffer, ()),
1898 ]);
1899}
1900
1901impl Dispatch<wl_data_offer::WlDataOffer, ()> for WaylandClientStatePtr {
1902 fn event(
1903 this: &mut Self,
1904 data_offer: &wl_data_offer::WlDataOffer,
1905 event: wl_data_offer::Event,
1906 _: &(),
1907 _: &Connection,
1908 _: &QueueHandle<Self>,
1909 ) {
1910 let client = this.get_client();
1911 let mut state = client.borrow_mut();
1912
1913 match event {
1914 wl_data_offer::Event::Offer { mime_type } => {
1915 // Drag and drop
1916 if mime_type == FILE_LIST_MIME_TYPE {
1917 let serial = state.serial_tracker.get(SerialKind::DataDevice);
1918 let mime_type = mime_type.clone();
1919 data_offer.accept(serial, Some(mime_type));
1920 }
1921
1922 // Clipboard
1923 if let Some(offer) = state
1924 .data_offers
1925 .iter_mut()
1926 .find(|wrapper| wrapper.inner.id() == data_offer.id())
1927 {
1928 offer.add_mime_type(mime_type);
1929 }
1930 }
1931 _ => {}
1932 }
1933 }
1934}
1935
1936impl Dispatch<wl_data_source::WlDataSource, ()> for WaylandClientStatePtr {
1937 fn event(
1938 this: &mut Self,
1939 data_source: &wl_data_source::WlDataSource,
1940 event: wl_data_source::Event,
1941 _: &(),
1942 _: &Connection,
1943 _: &QueueHandle<Self>,
1944 ) {
1945 let client = this.get_client();
1946 let mut state = client.borrow_mut();
1947
1948 match event {
1949 wl_data_source::Event::Send { mime_type, fd } => {
1950 state.clipboard.send(mime_type, fd);
1951 }
1952 wl_data_source::Event::Cancelled => {
1953 data_source.destroy();
1954 }
1955 _ => {}
1956 }
1957 }
1958}
1959
1960impl Dispatch<zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1, ()>
1961 for WaylandClientStatePtr
1962{
1963 fn event(
1964 this: &mut Self,
1965 _: &zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1,
1966 event: zwp_primary_selection_device_v1::Event,
1967 _: &(),
1968 _: &Connection,
1969 _: &QueueHandle<Self>,
1970 ) {
1971 let client = this.get_client();
1972 let mut state = client.borrow_mut();
1973
1974 match event {
1975 zwp_primary_selection_device_v1::Event::DataOffer { offer } => {
1976 let old_offer = state.primary_data_offer.replace(DataOffer::new(offer));
1977 if let Some(old_offer) = old_offer {
1978 old_offer.inner.destroy();
1979 }
1980 }
1981 zwp_primary_selection_device_v1::Event::Selection { id: data_offer } => {
1982 if data_offer.is_some() {
1983 let offer = state.primary_data_offer.clone();
1984 state.clipboard.set_primary_offer(offer);
1985 } else {
1986 state.clipboard.set_primary_offer(None);
1987 }
1988 }
1989 _ => {}
1990 }
1991 }
1992
1993 event_created_child!(WaylandClientStatePtr, zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1, [
1994 zwp_primary_selection_device_v1::EVT_DATA_OFFER_OPCODE => (zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1, ()),
1995 ]);
1996}
1997
1998impl Dispatch<zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1, ()>
1999 for WaylandClientStatePtr
2000{
2001 fn event(
2002 this: &mut Self,
2003 _data_offer: &zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1,
2004 event: zwp_primary_selection_offer_v1::Event,
2005 _: &(),
2006 _: &Connection,
2007 _: &QueueHandle<Self>,
2008 ) {
2009 let client = this.get_client();
2010 let mut state = client.borrow_mut();
2011
2012 match event {
2013 zwp_primary_selection_offer_v1::Event::Offer { mime_type } => {
2014 if let Some(offer) = state.primary_data_offer.as_mut() {
2015 offer.add_mime_type(mime_type);
2016 }
2017 }
2018 _ => {}
2019 }
2020 }
2021}
2022
2023impl Dispatch<zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1, ()>
2024 for WaylandClientStatePtr
2025{
2026 fn event(
2027 this: &mut Self,
2028 selection_source: &zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1,
2029 event: zwp_primary_selection_source_v1::Event,
2030 _: &(),
2031 _: &Connection,
2032 _: &QueueHandle<Self>,
2033 ) {
2034 let client = this.get_client();
2035 let mut state = client.borrow_mut();
2036
2037 match event {
2038 zwp_primary_selection_source_v1::Event::Send { mime_type, fd } => {
2039 state.clipboard.send_primary(mime_type, fd);
2040 }
2041 zwp_primary_selection_source_v1::Event::Cancelled => {
2042 selection_source.destroy();
2043 }
2044 _ => {}
2045 }
2046 }
2047}