1use std::cell::{RefCell, RefMut};
2use std::hash::Hash;
3use std::os::fd::{AsRawFd, BorrowedFd};
4use std::path::PathBuf;
5use std::rc::{Rc, Weak};
6use std::time::{Duration, Instant};
7
8use calloop::timer::{TimeoutAction, Timer};
9use calloop::{EventLoop, LoopHandle};
10use calloop_wayland_source::WaylandSource;
11use collections::HashMap;
12use filedescriptor::Pipe;
13
14use http_client::Url;
15use smallvec::SmallVec;
16use util::ResultExt;
17use wayland_backend::client::ObjectId;
18use wayland_backend::protocol::WEnum;
19use wayland_client::event_created_child;
20use wayland_client::globals::{registry_queue_init, GlobalList, GlobalListContents};
21use wayland_client::protocol::wl_callback::{self, WlCallback};
22use wayland_client::protocol::wl_data_device_manager::DndAction;
23use wayland_client::protocol::wl_data_offer::WlDataOffer;
24use wayland_client::protocol::wl_pointer::AxisSource;
25use wayland_client::protocol::{
26 wl_data_device, wl_data_device_manager, wl_data_offer, wl_data_source, wl_output, wl_region,
27};
28use wayland_client::{
29 delegate_noop,
30 protocol::{
31 wl_buffer, wl_compositor, wl_keyboard, wl_pointer, wl_registry, wl_seat, wl_shm,
32 wl_shm_pool, wl_surface,
33 },
34 Connection, Dispatch, Proxy, QueueHandle,
35};
36use wayland_protocols::wp::cursor_shape::v1::client::{
37 wp_cursor_shape_device_v1, wp_cursor_shape_manager_v1,
38};
39use wayland_protocols::wp::fractional_scale::v1::client::{
40 wp_fractional_scale_manager_v1, wp_fractional_scale_v1,
41};
42use wayland_protocols::wp::primary_selection::zv1::client::zwp_primary_selection_offer_v1::{
43 self, ZwpPrimarySelectionOfferV1,
44};
45use wayland_protocols::wp::primary_selection::zv1::client::{
46 zwp_primary_selection_device_manager_v1, zwp_primary_selection_device_v1,
47 zwp_primary_selection_source_v1,
48};
49use wayland_protocols::wp::text_input::zv3::client::zwp_text_input_v3::{
50 ContentHint, ContentPurpose,
51};
52use wayland_protocols::wp::text_input::zv3::client::{
53 zwp_text_input_manager_v3, zwp_text_input_v3,
54};
55use wayland_protocols::wp::viewporter::client::{wp_viewport, wp_viewporter};
56use wayland_protocols::xdg::activation::v1::client::{xdg_activation_token_v1, xdg_activation_v1};
57use wayland_protocols::xdg::decoration::zv1::client::{
58 zxdg_decoration_manager_v1, zxdg_toplevel_decoration_v1,
59};
60use wayland_protocols::xdg::shell::client::{xdg_surface, xdg_toplevel, xdg_wm_base};
61use wayland_protocols_plasma::blur::client::{org_kde_kwin_blur, org_kde_kwin_blur_manager};
62use xkbcommon::xkb::ffi::XKB_KEYMAP_FORMAT_TEXT_V1;
63use xkbcommon::xkb::{self, Keycode, KEYMAP_COMPILE_NO_FLAGS};
64
65use super::display::WaylandDisplay;
66use super::window::{ImeInput, WaylandWindowStatePtr};
67use crate::platform::linux::wayland::clipboard::{
68 Clipboard, DataOffer, FILE_LIST_MIME_TYPE, TEXT_MIME_TYPE,
69};
70use crate::platform::linux::wayland::cursor::Cursor;
71use crate::platform::linux::wayland::serial::{SerialKind, SerialTracker};
72use crate::platform::linux::wayland::window::WaylandWindow;
73use crate::platform::linux::xdg_desktop_portal::{Event as XDPEvent, XDPEventSource};
74use crate::platform::linux::LinuxClient;
75use crate::platform::linux::{
76 get_xkb_compose_state, is_within_click_distance, open_uri_internal, read_fd,
77 reveal_path_internal,
78};
79use crate::platform::PlatformWindow;
80use crate::{
81 point, px, size, Bounds, DevicePixels, FileDropEvent, ForegroundExecutor, MouseExitEvent, Size,
82 DOUBLE_CLICK_INTERVAL, SCROLL_LINES,
83};
84use crate::{
85 AnyWindowHandle, CursorStyle, DisplayId, KeyDownEvent, KeyUpEvent, Keystroke, Modifiers,
86 ModifiersChangedEvent, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent,
87 NavigationDirection, Pixels, PlatformDisplay, PlatformInput, Point, ScrollDelta,
88 ScrollWheelEvent, TouchPhase,
89};
90use crate::{LinuxCommon, WindowParams};
91
92/// Used to convert evdev scancode to xkb scancode
93const MIN_KEYCODE: u32 = 8;
94
95#[derive(Clone)]
96pub struct Globals {
97 pub qh: QueueHandle<WaylandClientStatePtr>,
98 pub activation: Option<xdg_activation_v1::XdgActivationV1>,
99 pub compositor: wl_compositor::WlCompositor,
100 pub cursor_shape_manager: Option<wp_cursor_shape_manager_v1::WpCursorShapeManagerV1>,
101 pub data_device_manager: Option<wl_data_device_manager::WlDataDeviceManager>,
102 pub primary_selection_manager:
103 Option<zwp_primary_selection_device_manager_v1::ZwpPrimarySelectionDeviceManagerV1>,
104 pub wm_base: xdg_wm_base::XdgWmBase,
105 pub shm: wl_shm::WlShm,
106 pub seat: wl_seat::WlSeat,
107 pub viewporter: Option<wp_viewporter::WpViewporter>,
108 pub fractional_scale_manager:
109 Option<wp_fractional_scale_manager_v1::WpFractionalScaleManagerV1>,
110 pub decoration_manager: Option<zxdg_decoration_manager_v1::ZxdgDecorationManagerV1>,
111 pub blur_manager: Option<org_kde_kwin_blur_manager::OrgKdeKwinBlurManager>,
112 pub text_input_manager: Option<zwp_text_input_manager_v3::ZwpTextInputManagerV3>,
113 pub executor: ForegroundExecutor,
114}
115
116impl Globals {
117 fn new(
118 globals: GlobalList,
119 executor: ForegroundExecutor,
120 qh: QueueHandle<WaylandClientStatePtr>,
121 seat: wl_seat::WlSeat,
122 ) -> Self {
123 Globals {
124 activation: globals.bind(&qh, 1..=1, ()).ok(),
125 compositor: globals
126 .bind(
127 &qh,
128 wl_surface::REQ_SET_BUFFER_SCALE_SINCE
129 ..=wl_surface::EVT_PREFERRED_BUFFER_SCALE_SINCE,
130 (),
131 )
132 .unwrap(),
133 cursor_shape_manager: globals.bind(&qh, 1..=1, ()).ok(),
134 data_device_manager: globals
135 .bind(
136 &qh,
137 WL_DATA_DEVICE_MANAGER_VERSION..=WL_DATA_DEVICE_MANAGER_VERSION,
138 (),
139 )
140 .ok(),
141 primary_selection_manager: globals.bind(&qh, 1..=1, ()).ok(),
142 shm: globals.bind(&qh, 1..=1, ()).unwrap(),
143 seat,
144 wm_base: globals.bind(&qh, 2..=5, ()).unwrap(),
145 viewporter: globals.bind(&qh, 1..=1, ()).ok(),
146 fractional_scale_manager: globals.bind(&qh, 1..=1, ()).ok(),
147 decoration_manager: globals.bind(&qh, 1..=1, ()).ok(),
148 blur_manager: globals.bind(&qh, 1..=1, ()).ok(),
149 text_input_manager: globals.bind(&qh, 1..=1, ()).ok(),
150 executor,
151 qh,
152 }
153 }
154}
155
156#[derive(Default, Debug, Clone, PartialEq, Eq, Hash)]
157pub struct InProgressOutput {
158 name: Option<String>,
159 scale: Option<i32>,
160 position: Option<Point<DevicePixels>>,
161 size: Option<Size<DevicePixels>>,
162}
163
164impl InProgressOutput {
165 fn complete(&self) -> Option<Output> {
166 if let Some((position, size)) = self.position.zip(self.size) {
167 let scale = self.scale.unwrap_or(1);
168 Some(Output {
169 name: self.name.clone(),
170 scale,
171 bounds: Bounds::new(position, size),
172 })
173 } else {
174 None
175 }
176 }
177}
178
179#[derive(Debug, Clone, Eq, PartialEq, Hash)]
180pub struct Output {
181 pub name: Option<String>,
182 pub scale: i32,
183 pub bounds: Bounds<DevicePixels>,
184}
185
186pub(crate) struct WaylandClientState {
187 serial_tracker: SerialTracker,
188 globals: Globals,
189 wl_seat: wl_seat::WlSeat, // TODO: Multi seat support
190 wl_pointer: Option<wl_pointer::WlPointer>,
191 wl_keyboard: Option<wl_keyboard::WlKeyboard>,
192 cursor_shape_device: Option<wp_cursor_shape_device_v1::WpCursorShapeDeviceV1>,
193 data_device: Option<wl_data_device::WlDataDevice>,
194 primary_selection: Option<zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1>,
195 text_input: Option<zwp_text_input_v3::ZwpTextInputV3>,
196 pre_edit_text: Option<String>,
197 composing: bool,
198 // Surface to Window mapping
199 windows: HashMap<ObjectId, WaylandWindowStatePtr>,
200 // Output to scale mapping
201 outputs: HashMap<ObjectId, Output>,
202 in_progress_outputs: HashMap<ObjectId, InProgressOutput>,
203 keymap_state: Option<xkb::State>,
204 compose_state: Option<xkb::compose::State>,
205 drag: DragState,
206 click: ClickState,
207 repeat: KeyRepeat,
208 pub modifiers: Modifiers,
209 axis_source: AxisSource,
210 pub mouse_location: Option<Point<Pixels>>,
211 continuous_scroll_delta: Option<Point<Pixels>>,
212 discrete_scroll_delta: Option<Point<f32>>,
213 vertical_modifier: f32,
214 horizontal_modifier: f32,
215 scroll_event_received: bool,
216 enter_token: Option<()>,
217 button_pressed: Option<MouseButton>,
218 mouse_focused_window: Option<WaylandWindowStatePtr>,
219 keyboard_focused_window: Option<WaylandWindowStatePtr>,
220 loop_handle: LoopHandle<'static, WaylandClientStatePtr>,
221 cursor_style: Option<CursorStyle>,
222 clipboard: Clipboard,
223 data_offers: Vec<DataOffer<WlDataOffer>>,
224 primary_data_offer: Option<DataOffer<ZwpPrimarySelectionOfferV1>>,
225 cursor: Cursor,
226 pending_activation: Option<PendingActivation>,
227 event_loop: Option<EventLoop<'static, WaylandClientStatePtr>>,
228 common: LinuxCommon,
229}
230
231pub struct DragState {
232 data_offer: Option<wl_data_offer::WlDataOffer>,
233 window: Option<WaylandWindowStatePtr>,
234 position: Point<Pixels>,
235}
236
237pub struct ClickState {
238 last_click: Instant,
239 last_location: Point<Pixels>,
240 current_count: usize,
241}
242
243pub(crate) struct KeyRepeat {
244 characters_per_second: u32,
245 delay: Duration,
246 current_id: u64,
247 current_keycode: Option<xkb::Keycode>,
248}
249
250pub(crate) enum PendingActivation {
251 /// URI to open in the web browser.
252 Uri(String),
253 /// Path to open in the file explorer.
254 Path(PathBuf),
255 /// A window from ourselves to raise.
256 Window(ObjectId),
257}
258
259/// This struct is required to conform to Rust's orphan rules, so we can dispatch on the state but hand the
260/// window to GPUI.
261#[derive(Clone)]
262pub struct WaylandClientStatePtr(Weak<RefCell<WaylandClientState>>);
263
264impl WaylandClientStatePtr {
265 pub fn get_client(&self) -> Rc<RefCell<WaylandClientState>> {
266 self.0
267 .upgrade()
268 .expect("The pointer should always be valid when dispatching in wayland")
269 }
270
271 pub fn get_serial(&self, kind: SerialKind) -> u32 {
272 self.0.upgrade().unwrap().borrow().serial_tracker.get(kind)
273 }
274
275 pub fn set_pending_activation(&self, window: ObjectId) {
276 self.0.upgrade().unwrap().borrow_mut().pending_activation =
277 Some(PendingActivation::Window(window));
278 }
279
280 pub fn enable_ime(&self) {
281 let client = self.get_client();
282 let mut state = client.borrow_mut();
283 let Some(mut text_input) = state.text_input.take() else {
284 return;
285 };
286
287 text_input.enable();
288 text_input.set_content_type(ContentHint::None, ContentPurpose::Normal);
289 if let Some(window) = state.keyboard_focused_window.clone() {
290 drop(state);
291 if let Some(area) = window.get_ime_area() {
292 text_input.set_cursor_rectangle(
293 area.origin.x.0 as i32,
294 area.origin.y.0 as i32,
295 area.size.width.0 as i32,
296 area.size.height.0 as i32,
297 );
298 }
299 state = client.borrow_mut();
300 }
301 text_input.commit();
302 state.text_input = Some(text_input);
303 }
304
305 pub fn disable_ime(&self) {
306 let client = self.get_client();
307 let mut state = client.borrow_mut();
308 state.composing = false;
309 if let Some(text_input) = &state.text_input {
310 text_input.disable();
311 text_input.commit();
312 }
313 }
314
315 pub fn drop_window(&self, surface_id: &ObjectId) {
316 let mut client = self.get_client();
317 let mut state = client.borrow_mut();
318 let closed_window = state.windows.remove(surface_id).unwrap();
319 if let Some(window) = state.mouse_focused_window.take() {
320 if !window.ptr_eq(&closed_window) {
321 state.mouse_focused_window = Some(window);
322 }
323 }
324 if let Some(window) = state.keyboard_focused_window.take() {
325 if !window.ptr_eq(&closed_window) {
326 state.keyboard_focused_window = Some(window);
327 }
328 }
329 if state.windows.is_empty() {
330 state.common.signal.stop();
331 }
332 }
333}
334
335#[derive(Clone)]
336pub struct WaylandClient(Rc<RefCell<WaylandClientState>>);
337
338impl Drop for WaylandClient {
339 fn drop(&mut self) {
340 let mut state = self.0.borrow_mut();
341 state.windows.clear();
342
343 if let Some(wl_pointer) = &state.wl_pointer {
344 wl_pointer.release();
345 }
346 if let Some(cursor_shape_device) = &state.cursor_shape_device {
347 cursor_shape_device.destroy();
348 }
349 if let Some(data_device) = &state.data_device {
350 data_device.release();
351 }
352 if let Some(text_input) = &state.text_input {
353 text_input.destroy();
354 }
355 }
356}
357
358const WL_DATA_DEVICE_MANAGER_VERSION: u32 = 3;
359
360fn wl_seat_version(version: u32) -> u32 {
361 // We rely on the wl_pointer.frame event
362 const WL_SEAT_MIN_VERSION: u32 = 5;
363 const WL_SEAT_MAX_VERSION: u32 = 9;
364
365 if version < WL_SEAT_MIN_VERSION {
366 panic!(
367 "wl_seat below required version: {} < {}",
368 version, WL_SEAT_MIN_VERSION
369 );
370 }
371
372 version.clamp(WL_SEAT_MIN_VERSION, WL_SEAT_MAX_VERSION)
373}
374
375fn wl_output_version(version: u32) -> u32 {
376 const WL_OUTPUT_MIN_VERSION: u32 = 2;
377 const WL_OUTPUT_MAX_VERSION: u32 = 4;
378
379 if version < WL_OUTPUT_MIN_VERSION {
380 panic!(
381 "wl_output below required version: {} < {}",
382 version, WL_OUTPUT_MIN_VERSION
383 );
384 }
385
386 version.clamp(WL_OUTPUT_MIN_VERSION, WL_OUTPUT_MAX_VERSION)
387}
388
389impl WaylandClient {
390 pub(crate) fn new() -> Self {
391 let conn = Connection::connect_to_env().unwrap();
392
393 let (globals, mut event_queue) =
394 registry_queue_init::<WaylandClientStatePtr>(&conn).unwrap();
395 let qh = event_queue.handle();
396
397 let mut seat: Option<wl_seat::WlSeat> = None;
398 #[allow(clippy::mutable_key_type)]
399 let mut in_progress_outputs = HashMap::default();
400 globals.contents().with_list(|list| {
401 for global in list {
402 match &global.interface[..] {
403 "wl_seat" => {
404 seat = Some(globals.registry().bind::<wl_seat::WlSeat, _, _>(
405 global.name,
406 wl_seat_version(global.version),
407 &qh,
408 (),
409 ));
410 }
411 "wl_output" => {
412 let output = globals.registry().bind::<wl_output::WlOutput, _, _>(
413 global.name,
414 wl_output_version(global.version),
415 &qh,
416 (),
417 );
418 in_progress_outputs.insert(output.id(), InProgressOutput::default());
419 }
420 _ => {}
421 }
422 }
423 });
424
425 let event_loop = EventLoop::<WaylandClientStatePtr>::try_new().unwrap();
426
427 let (common, main_receiver) = LinuxCommon::new(event_loop.get_signal());
428
429 let handle = event_loop.handle();
430 handle
431 .insert_source(main_receiver, {
432 let handle = handle.clone();
433 move |event, _, _: &mut WaylandClientStatePtr| {
434 if let calloop::channel::Event::Msg(runnable) = event {
435 handle.insert_idle(|_| {
436 runnable.run();
437 });
438 }
439 }
440 })
441 .unwrap();
442
443 let seat = seat.unwrap();
444 let globals = Globals::new(
445 globals,
446 common.foreground_executor.clone(),
447 qh.clone(),
448 seat.clone(),
449 );
450
451 let data_device = globals
452 .data_device_manager
453 .as_ref()
454 .map(|data_device_manager| data_device_manager.get_data_device(&seat, &qh, ()));
455
456 let primary_selection = globals
457 .primary_selection_manager
458 .as_ref()
459 .map(|primary_selection_manager| primary_selection_manager.get_device(&seat, &qh, ()));
460
461 let mut cursor = Cursor::new(&conn, &globals, 24);
462
463 handle
464 .insert_source(XDPEventSource::new(&common.background_executor), {
465 move |event, _, client| match event {
466 XDPEvent::WindowAppearance(appearance) => {
467 if let Some(client) = client.0.upgrade() {
468 let mut client = client.borrow_mut();
469
470 client.common.appearance = appearance;
471
472 for (_, window) in &mut client.windows {
473 window.set_appearance(appearance);
474 }
475 }
476 }
477 XDPEvent::CursorTheme(theme) => {
478 if let Some(client) = client.0.upgrade() {
479 let mut client = client.borrow_mut();
480 client.cursor.set_theme(theme.as_str(), None);
481 }
482 }
483 XDPEvent::CursorSize(size) => {
484 if let Some(client) = client.0.upgrade() {
485 let mut client = client.borrow_mut();
486 client.cursor.set_size(size);
487 }
488 }
489 }
490 })
491 .unwrap();
492
493 let mut state = Rc::new(RefCell::new(WaylandClientState {
494 serial_tracker: SerialTracker::new(),
495 globals,
496 wl_seat: seat,
497 wl_pointer: None,
498 wl_keyboard: None,
499 cursor_shape_device: None,
500 data_device,
501 primary_selection,
502 text_input: None,
503 pre_edit_text: None,
504 composing: false,
505 outputs: HashMap::default(),
506 in_progress_outputs,
507 windows: HashMap::default(),
508 common,
509 keymap_state: None,
510 compose_state: None,
511 drag: DragState {
512 data_offer: None,
513 window: None,
514 position: Point::default(),
515 },
516 click: ClickState {
517 last_click: Instant::now(),
518 last_location: Point::default(),
519 current_count: 0,
520 },
521 repeat: KeyRepeat {
522 characters_per_second: 16,
523 delay: Duration::from_millis(500),
524 current_id: 0,
525 current_keycode: None,
526 },
527 modifiers: Modifiers {
528 shift: false,
529 control: false,
530 alt: false,
531 function: false,
532 platform: false,
533 },
534 scroll_event_received: false,
535 axis_source: AxisSource::Wheel,
536 mouse_location: None,
537 continuous_scroll_delta: None,
538 discrete_scroll_delta: None,
539 vertical_modifier: -1.0,
540 horizontal_modifier: -1.0,
541 button_pressed: None,
542 mouse_focused_window: None,
543 keyboard_focused_window: None,
544 loop_handle: handle.clone(),
545 enter_token: None,
546 cursor_style: None,
547 clipboard: Clipboard::new(conn.clone(), handle.clone()),
548 data_offers: Vec::new(),
549 primary_data_offer: None,
550 cursor,
551 pending_activation: None,
552 event_loop: Some(event_loop),
553 }));
554
555 WaylandSource::new(conn, event_queue)
556 .insert(handle)
557 .unwrap();
558
559 Self(state)
560 }
561}
562
563impl LinuxClient for WaylandClient {
564 fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
565 self.0
566 .borrow()
567 .outputs
568 .iter()
569 .map(|(id, output)| {
570 Rc::new(WaylandDisplay {
571 id: id.clone(),
572 name: output.name.clone(),
573 bounds: output.bounds.to_pixels(output.scale as f32),
574 }) as Rc<dyn PlatformDisplay>
575 })
576 .collect()
577 }
578
579 fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
580 self.0
581 .borrow()
582 .outputs
583 .iter()
584 .find_map(|(object_id, output)| {
585 (object_id.protocol_id() == id.0).then(|| {
586 Rc::new(WaylandDisplay {
587 id: object_id.clone(),
588 name: output.name.clone(),
589 bounds: output.bounds.to_pixels(output.scale as f32),
590 }) as Rc<dyn PlatformDisplay>
591 })
592 })
593 }
594
595 fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>> {
596 None
597 }
598
599 fn open_window(
600 &self,
601 handle: AnyWindowHandle,
602 params: WindowParams,
603 ) -> anyhow::Result<Box<dyn PlatformWindow>> {
604 let mut state = self.0.borrow_mut();
605
606 let (window, surface_id) = WaylandWindow::new(
607 handle,
608 state.globals.clone(),
609 WaylandClientStatePtr(Rc::downgrade(&self.0)),
610 params,
611 state.common.appearance,
612 )?;
613 state.windows.insert(surface_id, window.0.clone());
614
615 Ok(Box::new(window))
616 }
617
618 fn set_cursor_style(&self, style: CursorStyle) {
619 let mut state = self.0.borrow_mut();
620
621 let need_update = state
622 .cursor_style
623 .map_or(true, |current_style| current_style != style);
624
625 if need_update {
626 let serial = state.serial_tracker.get(SerialKind::MouseEnter);
627 state.cursor_style = Some(style);
628
629 if let Some(cursor_shape_device) = &state.cursor_shape_device {
630 cursor_shape_device.set_shape(serial, style.to_shape());
631 } else if state.mouse_focused_window.is_some() {
632 // cursor-shape-v1 isn't supported, set the cursor using a surface.
633 let wl_pointer = state
634 .wl_pointer
635 .clone()
636 .expect("window is focused by pointer");
637 state
638 .cursor
639 .set_icon(&wl_pointer, serial, &style.to_icon_name());
640 }
641 }
642 }
643
644 fn open_uri(&self, uri: &str) {
645 let mut state = self.0.borrow_mut();
646 if let (Some(activation), Some(window)) = (
647 state.globals.activation.clone(),
648 state.mouse_focused_window.clone(),
649 ) {
650 state.pending_activation = Some(PendingActivation::Uri(uri.to_string()));
651 let token = activation.get_activation_token(&state.globals.qh, ());
652 let serial = state.serial_tracker.get(SerialKind::MousePress);
653 token.set_serial(serial, &state.wl_seat);
654 token.set_surface(&window.surface());
655 token.commit();
656 } else {
657 let executor = state.common.background_executor.clone();
658 open_uri_internal(executor, uri, None);
659 }
660 }
661
662 fn reveal_path(&self, path: PathBuf) {
663 let mut state = self.0.borrow_mut();
664 if let (Some(activation), Some(window)) = (
665 state.globals.activation.clone(),
666 state.mouse_focused_window.clone(),
667 ) {
668 state.pending_activation = Some(PendingActivation::Path(path));
669 let token = activation.get_activation_token(&state.globals.qh, ());
670 let serial = state.serial_tracker.get(SerialKind::MousePress);
671 token.set_serial(serial, &state.wl_seat);
672 token.set_surface(&window.surface());
673 token.commit();
674 } else {
675 let executor = state.common.background_executor.clone();
676 reveal_path_internal(executor, path, None);
677 }
678 }
679
680 fn with_common<R>(&self, f: impl FnOnce(&mut LinuxCommon) -> R) -> R {
681 f(&mut self.0.borrow_mut().common)
682 }
683
684 fn run(&self) {
685 let mut event_loop = self
686 .0
687 .borrow_mut()
688 .event_loop
689 .take()
690 .expect("App is already running");
691
692 event_loop
693 .run(
694 None,
695 &mut WaylandClientStatePtr(Rc::downgrade(&self.0)),
696 |_| {},
697 )
698 .log_err();
699 }
700
701 fn write_to_primary(&self, item: crate::ClipboardItem) {
702 let mut state = self.0.borrow_mut();
703 let (Some(primary_selection_manager), Some(primary_selection)) = (
704 state.globals.primary_selection_manager.clone(),
705 state.primary_selection.clone(),
706 ) else {
707 return;
708 };
709 if state.mouse_focused_window.is_some() || state.keyboard_focused_window.is_some() {
710 state.clipboard.set_primary(item);
711 let serial = state.serial_tracker.get(SerialKind::KeyPress);
712 let data_source = primary_selection_manager.create_source(&state.globals.qh, ());
713 data_source.offer(state.clipboard.self_mime());
714 data_source.offer(TEXT_MIME_TYPE.to_string());
715 primary_selection.set_selection(Some(&data_source), serial);
716 }
717 }
718
719 fn write_to_clipboard(&self, item: crate::ClipboardItem) {
720 let mut state = self.0.borrow_mut();
721 let (Some(data_device_manager), Some(data_device)) = (
722 state.globals.data_device_manager.clone(),
723 state.data_device.clone(),
724 ) else {
725 return;
726 };
727 if state.mouse_focused_window.is_some() || state.keyboard_focused_window.is_some() {
728 state.clipboard.set(item);
729 let serial = state.serial_tracker.get(SerialKind::KeyPress);
730 let data_source = data_device_manager.create_data_source(&state.globals.qh, ());
731 data_source.offer(state.clipboard.self_mime());
732 data_source.offer(TEXT_MIME_TYPE.to_string());
733 data_device.set_selection(Some(&data_source), serial);
734 }
735 }
736
737 fn read_from_primary(&self) -> Option<crate::ClipboardItem> {
738 self.0.borrow_mut().clipboard.read_primary()
739 }
740
741 fn read_from_clipboard(&self) -> Option<crate::ClipboardItem> {
742 self.0.borrow_mut().clipboard.read()
743 }
744
745 fn active_window(&self) -> Option<AnyWindowHandle> {
746 self.0
747 .borrow_mut()
748 .keyboard_focused_window
749 .as_ref()
750 .map(|window| window.handle())
751 }
752
753 fn window_stack(&self) -> Option<Vec<AnyWindowHandle>> {
754 None
755 }
756
757 fn compositor_name(&self) -> &'static str {
758 "Wayland"
759 }
760}
761
762impl Dispatch<wl_registry::WlRegistry, GlobalListContents> for WaylandClientStatePtr {
763 fn event(
764 this: &mut Self,
765 registry: &wl_registry::WlRegistry,
766 event: wl_registry::Event,
767 _: &GlobalListContents,
768 _: &Connection,
769 qh: &QueueHandle<Self>,
770 ) {
771 let mut client = this.get_client();
772 let mut state = client.borrow_mut();
773
774 match event {
775 wl_registry::Event::Global {
776 name,
777 interface,
778 version,
779 } => match &interface[..] {
780 "wl_seat" => {
781 if let Some(wl_pointer) = state.wl_pointer.take() {
782 wl_pointer.release();
783 }
784 if let Some(wl_keyboard) = state.wl_keyboard.take() {
785 wl_keyboard.release();
786 }
787 state.wl_seat.release();
788 state.wl_seat = registry.bind::<wl_seat::WlSeat, _, _>(
789 name,
790 wl_seat_version(version),
791 qh,
792 (),
793 );
794 }
795 "wl_output" => {
796 let output = registry.bind::<wl_output::WlOutput, _, _>(
797 name,
798 wl_output_version(version),
799 qh,
800 (),
801 );
802
803 state
804 .in_progress_outputs
805 .insert(output.id(), InProgressOutput::default());
806 }
807 _ => {}
808 },
809 wl_registry::Event::GlobalRemove { name: _ } => {
810 // TODO: handle global removal
811 }
812 _ => {}
813 }
814 }
815}
816
817delegate_noop!(WaylandClientStatePtr: ignore xdg_activation_v1::XdgActivationV1);
818delegate_noop!(WaylandClientStatePtr: ignore wl_compositor::WlCompositor);
819delegate_noop!(WaylandClientStatePtr: ignore wp_cursor_shape_device_v1::WpCursorShapeDeviceV1);
820delegate_noop!(WaylandClientStatePtr: ignore wp_cursor_shape_manager_v1::WpCursorShapeManagerV1);
821delegate_noop!(WaylandClientStatePtr: ignore wl_data_device_manager::WlDataDeviceManager);
822delegate_noop!(WaylandClientStatePtr: ignore zwp_primary_selection_device_manager_v1::ZwpPrimarySelectionDeviceManagerV1);
823delegate_noop!(WaylandClientStatePtr: ignore wl_shm::WlShm);
824delegate_noop!(WaylandClientStatePtr: ignore wl_shm_pool::WlShmPool);
825delegate_noop!(WaylandClientStatePtr: ignore wl_buffer::WlBuffer);
826delegate_noop!(WaylandClientStatePtr: ignore wl_region::WlRegion);
827delegate_noop!(WaylandClientStatePtr: ignore wp_fractional_scale_manager_v1::WpFractionalScaleManagerV1);
828delegate_noop!(WaylandClientStatePtr: ignore zxdg_decoration_manager_v1::ZxdgDecorationManagerV1);
829delegate_noop!(WaylandClientStatePtr: ignore org_kde_kwin_blur_manager::OrgKdeKwinBlurManager);
830delegate_noop!(WaylandClientStatePtr: ignore zwp_text_input_manager_v3::ZwpTextInputManagerV3);
831delegate_noop!(WaylandClientStatePtr: ignore org_kde_kwin_blur::OrgKdeKwinBlur);
832delegate_noop!(WaylandClientStatePtr: ignore wp_viewporter::WpViewporter);
833delegate_noop!(WaylandClientStatePtr: ignore wp_viewport::WpViewport);
834
835impl Dispatch<WlCallback, ObjectId> for WaylandClientStatePtr {
836 fn event(
837 state: &mut WaylandClientStatePtr,
838 _: &wl_callback::WlCallback,
839 event: wl_callback::Event,
840 surface_id: &ObjectId,
841 _: &Connection,
842 _: &QueueHandle<Self>,
843 ) {
844 let client = state.get_client();
845 let mut state = client.borrow_mut();
846 let Some(window) = get_window(&mut state, surface_id) else {
847 return;
848 };
849 drop(state);
850
851 match event {
852 wl_callback::Event::Done { .. } => {
853 window.frame();
854 }
855 _ => {}
856 }
857 }
858}
859
860fn get_window(
861 mut state: &mut RefMut<WaylandClientState>,
862 surface_id: &ObjectId,
863) -> Option<WaylandWindowStatePtr> {
864 state.windows.get(surface_id).cloned()
865}
866
867impl Dispatch<wl_surface::WlSurface, ()> for WaylandClientStatePtr {
868 fn event(
869 this: &mut Self,
870 surface: &wl_surface::WlSurface,
871 event: <wl_surface::WlSurface as Proxy>::Event,
872 _: &(),
873 _: &Connection,
874 _: &QueueHandle<Self>,
875 ) {
876 let mut client = this.get_client();
877 let mut state = client.borrow_mut();
878
879 let Some(window) = get_window(&mut state, &surface.id()) else {
880 return;
881 };
882 #[allow(clippy::mutable_key_type)]
883 let outputs = state.outputs.clone();
884 drop(state);
885
886 window.handle_surface_event(event, outputs);
887 }
888}
889
890impl Dispatch<wl_output::WlOutput, ()> for WaylandClientStatePtr {
891 fn event(
892 this: &mut Self,
893 output: &wl_output::WlOutput,
894 event: <wl_output::WlOutput as Proxy>::Event,
895 _: &(),
896 _: &Connection,
897 _: &QueueHandle<Self>,
898 ) {
899 let mut client = this.get_client();
900 let mut state = client.borrow_mut();
901
902 let Some(mut in_progress_output) = state.in_progress_outputs.get_mut(&output.id()) else {
903 return;
904 };
905
906 match event {
907 wl_output::Event::Name { name } => {
908 in_progress_output.name = Some(name);
909 }
910 wl_output::Event::Scale { factor } => {
911 in_progress_output.scale = Some(factor);
912 }
913 wl_output::Event::Geometry { x, y, .. } => {
914 in_progress_output.position = Some(point(DevicePixels(x), DevicePixels(y)))
915 }
916 wl_output::Event::Mode { width, height, .. } => {
917 in_progress_output.size = Some(size(DevicePixels(width), DevicePixels(height)))
918 }
919 wl_output::Event::Done => {
920 if let Some(complete) = in_progress_output.complete() {
921 state.outputs.insert(output.id(), complete);
922 }
923 state.in_progress_outputs.remove(&output.id());
924 }
925 _ => {}
926 }
927 }
928}
929
930impl Dispatch<xdg_surface::XdgSurface, ObjectId> for WaylandClientStatePtr {
931 fn event(
932 state: &mut Self,
933 _: &xdg_surface::XdgSurface,
934 event: xdg_surface::Event,
935 surface_id: &ObjectId,
936 _: &Connection,
937 _: &QueueHandle<Self>,
938 ) {
939 let client = state.get_client();
940 let mut state = client.borrow_mut();
941 let Some(window) = get_window(&mut state, surface_id) else {
942 return;
943 };
944 drop(state);
945 window.handle_xdg_surface_event(event);
946 }
947}
948
949impl Dispatch<xdg_toplevel::XdgToplevel, ObjectId> for WaylandClientStatePtr {
950 fn event(
951 this: &mut Self,
952 _: &xdg_toplevel::XdgToplevel,
953 event: <xdg_toplevel::XdgToplevel as Proxy>::Event,
954 surface_id: &ObjectId,
955 _: &Connection,
956 _: &QueueHandle<Self>,
957 ) {
958 let client = this.get_client();
959 let mut state = client.borrow_mut();
960 let Some(window) = get_window(&mut state, surface_id) else {
961 return;
962 };
963
964 drop(state);
965 let should_close = window.handle_toplevel_event(event);
966
967 if should_close {
968 this.drop_window(surface_id);
969 }
970 }
971}
972
973impl Dispatch<xdg_wm_base::XdgWmBase, ()> for WaylandClientStatePtr {
974 fn event(
975 _: &mut Self,
976 wm_base: &xdg_wm_base::XdgWmBase,
977 event: <xdg_wm_base::XdgWmBase as Proxy>::Event,
978 _: &(),
979 _: &Connection,
980 _: &QueueHandle<Self>,
981 ) {
982 if let xdg_wm_base::Event::Ping { serial } = event {
983 wm_base.pong(serial);
984 }
985 }
986}
987
988impl Dispatch<xdg_activation_token_v1::XdgActivationTokenV1, ()> for WaylandClientStatePtr {
989 fn event(
990 this: &mut Self,
991 token: &xdg_activation_token_v1::XdgActivationTokenV1,
992 event: <xdg_activation_token_v1::XdgActivationTokenV1 as Proxy>::Event,
993 _: &(),
994 _: &Connection,
995 _: &QueueHandle<Self>,
996 ) {
997 let client = this.get_client();
998 let mut state = client.borrow_mut();
999
1000 if let xdg_activation_token_v1::Event::Done { token } = event {
1001 let executor = state.common.background_executor.clone();
1002 match state.pending_activation.take() {
1003 Some(PendingActivation::Uri(uri)) => open_uri_internal(executor, &uri, Some(token)),
1004 Some(PendingActivation::Path(path)) => {
1005 reveal_path_internal(executor, path, Some(token))
1006 }
1007 Some(PendingActivation::Window(window)) => {
1008 let Some(window) = get_window(&mut state, &window) else {
1009 return;
1010 };
1011 let activation = state.globals.activation.as_ref().unwrap();
1012 activation.activate(token, &window.surface());
1013 }
1014 None => log::error!("activation token received with no pending activation"),
1015 }
1016 }
1017
1018 token.destroy();
1019 }
1020}
1021
1022impl Dispatch<wl_seat::WlSeat, ()> for WaylandClientStatePtr {
1023 fn event(
1024 state: &mut Self,
1025 seat: &wl_seat::WlSeat,
1026 event: wl_seat::Event,
1027 _: &(),
1028 _: &Connection,
1029 qh: &QueueHandle<Self>,
1030 ) {
1031 if let wl_seat::Event::Capabilities {
1032 capabilities: WEnum::Value(capabilities),
1033 } = event
1034 {
1035 let client = state.get_client();
1036 let mut state = client.borrow_mut();
1037 if capabilities.contains(wl_seat::Capability::Keyboard) {
1038 let keyboard = seat.get_keyboard(qh, ());
1039
1040 state.text_input = state
1041 .globals
1042 .text_input_manager
1043 .as_ref()
1044 .map(|text_input_manager| text_input_manager.get_text_input(&seat, qh, ()));
1045
1046 if let Some(wl_keyboard) = &state.wl_keyboard {
1047 wl_keyboard.release();
1048 }
1049
1050 state.wl_keyboard = Some(keyboard);
1051 }
1052 if capabilities.contains(wl_seat::Capability::Pointer) {
1053 let pointer = seat.get_pointer(qh, ());
1054 state.cursor_shape_device = state
1055 .globals
1056 .cursor_shape_manager
1057 .as_ref()
1058 .map(|cursor_shape_manager| cursor_shape_manager.get_pointer(&pointer, qh, ()));
1059
1060 if let Some(wl_pointer) = &state.wl_pointer {
1061 wl_pointer.release();
1062 }
1063
1064 state.wl_pointer = Some(pointer);
1065 }
1066 }
1067 }
1068}
1069
1070impl Dispatch<wl_keyboard::WlKeyboard, ()> for WaylandClientStatePtr {
1071 fn event(
1072 this: &mut Self,
1073 _: &wl_keyboard::WlKeyboard,
1074 event: wl_keyboard::Event,
1075 _: &(),
1076 _: &Connection,
1077 _: &QueueHandle<Self>,
1078 ) {
1079 let mut client = this.get_client();
1080 let mut state = client.borrow_mut();
1081 match event {
1082 wl_keyboard::Event::RepeatInfo { rate, delay } => {
1083 state.repeat.characters_per_second = rate as u32;
1084 state.repeat.delay = Duration::from_millis(delay as u64);
1085 }
1086 wl_keyboard::Event::Keymap {
1087 format: WEnum::Value(format),
1088 fd,
1089 size,
1090 ..
1091 } => {
1092 assert_eq!(
1093 format,
1094 wl_keyboard::KeymapFormat::XkbV1,
1095 "Unsupported keymap format"
1096 );
1097 let xkb_context = xkb::Context::new(xkb::CONTEXT_NO_FLAGS);
1098 let keymap = unsafe {
1099 xkb::Keymap::new_from_fd(
1100 &xkb_context,
1101 fd,
1102 size as usize,
1103 XKB_KEYMAP_FORMAT_TEXT_V1,
1104 KEYMAP_COMPILE_NO_FLAGS,
1105 )
1106 .log_err()
1107 .flatten()
1108 .expect("Failed to create keymap")
1109 };
1110 state.keymap_state = Some(xkb::State::new(&keymap));
1111 state.compose_state = get_xkb_compose_state(&xkb_context);
1112 }
1113 wl_keyboard::Event::Enter {
1114 serial, surface, ..
1115 } => {
1116 state.serial_tracker.update(SerialKind::KeyEnter, serial);
1117 state.keyboard_focused_window = get_window(&mut state, &surface.id());
1118 state.enter_token = Some(());
1119
1120 if let Some(window) = state.keyboard_focused_window.clone() {
1121 drop(state);
1122 window.set_focused(true);
1123 }
1124 }
1125 wl_keyboard::Event::Leave { surface, .. } => {
1126 let keyboard_focused_window = get_window(&mut state, &surface.id());
1127 state.keyboard_focused_window = None;
1128 state.enter_token.take();
1129 // Prevent keyboard events from repeating after opening e.g. a file chooser and closing it quickly
1130 state.repeat.current_id += 1;
1131 state.clipboard.set_offer(None);
1132 state.clipboard.set_primary_offer(None);
1133
1134 if let Some(window) = keyboard_focused_window {
1135 if let Some(ref mut compose) = state.compose_state {
1136 compose.reset();
1137 }
1138 state.pre_edit_text.take();
1139 drop(state);
1140 window.handle_ime(ImeInput::DeleteText);
1141 window.set_focused(false);
1142 }
1143 }
1144 wl_keyboard::Event::Modifiers {
1145 mods_depressed,
1146 mods_latched,
1147 mods_locked,
1148 group,
1149 ..
1150 } => {
1151 let focused_window = state.keyboard_focused_window.clone();
1152
1153 let keymap_state = state.keymap_state.as_mut().unwrap();
1154 keymap_state.update_mask(mods_depressed, mods_latched, mods_locked, 0, 0, group);
1155 state.modifiers = Modifiers::from_xkb(keymap_state);
1156
1157 let Some(focused_window) = focused_window else {
1158 return;
1159 };
1160
1161 let input = PlatformInput::ModifiersChanged(ModifiersChangedEvent {
1162 modifiers: state.modifiers,
1163 });
1164
1165 drop(state);
1166 focused_window.handle_input(input);
1167 }
1168 wl_keyboard::Event::Key {
1169 serial,
1170 key,
1171 state: WEnum::Value(key_state),
1172 ..
1173 } => {
1174 state.serial_tracker.update(SerialKind::KeyPress, serial);
1175
1176 let focused_window = state.keyboard_focused_window.clone();
1177 let Some(focused_window) = focused_window else {
1178 return;
1179 };
1180 let focused_window = focused_window.clone();
1181
1182 let keymap_state = state.keymap_state.as_ref().unwrap();
1183 let keycode = Keycode::from(key + MIN_KEYCODE);
1184 let keysym = keymap_state.key_get_one_sym(keycode);
1185
1186 match key_state {
1187 wl_keyboard::KeyState::Pressed if !keysym.is_modifier_key() => {
1188 let mut keystroke =
1189 Keystroke::from_xkb(&keymap_state, state.modifiers, keycode);
1190 if let Some(mut compose) = state.compose_state.take() {
1191 compose.feed(keysym);
1192 match compose.status() {
1193 xkb::Status::Composing => {
1194 keystroke.ime_key = None;
1195 state.pre_edit_text =
1196 compose.utf8().or(Keystroke::underlying_dead_key(keysym));
1197 let pre_edit =
1198 state.pre_edit_text.clone().unwrap_or(String::default());
1199 drop(state);
1200 focused_window.handle_ime(ImeInput::SetMarkedText(pre_edit));
1201 state = client.borrow_mut();
1202 }
1203
1204 xkb::Status::Composed => {
1205 state.pre_edit_text.take();
1206 keystroke.ime_key = compose.utf8();
1207 if let Some(keysym) = compose.keysym() {
1208 keystroke.key = xkb::keysym_get_name(keysym);
1209 }
1210 }
1211 xkb::Status::Cancelled => {
1212 let pre_edit = state.pre_edit_text.take();
1213 drop(state);
1214 if let Some(pre_edit) = pre_edit {
1215 focused_window.handle_ime(ImeInput::InsertText(pre_edit));
1216 }
1217 if let Some(current_key) =
1218 Keystroke::underlying_dead_key(keysym)
1219 {
1220 focused_window
1221 .handle_ime(ImeInput::SetMarkedText(current_key));
1222 }
1223 compose.feed(keysym);
1224 state = client.borrow_mut();
1225 }
1226 _ => {}
1227 }
1228 state.compose_state = Some(compose);
1229 }
1230 let input = PlatformInput::KeyDown(KeyDownEvent {
1231 keystroke: keystroke.clone(),
1232 is_held: false,
1233 });
1234
1235 state.repeat.current_id += 1;
1236 state.repeat.current_keycode = Some(keycode);
1237
1238 let rate = state.repeat.characters_per_second;
1239 let id = state.repeat.current_id;
1240 state
1241 .loop_handle
1242 .insert_source(Timer::from_duration(state.repeat.delay), {
1243 let input = PlatformInput::KeyDown(KeyDownEvent {
1244 keystroke,
1245 is_held: true,
1246 });
1247 move |_event, _metadata, this| {
1248 let mut client = this.get_client();
1249 let mut state = client.borrow_mut();
1250 let is_repeating = id == state.repeat.current_id
1251 && state.repeat.current_keycode.is_some()
1252 && state.keyboard_focused_window.is_some();
1253
1254 if !is_repeating || rate == 0 {
1255 return TimeoutAction::Drop;
1256 }
1257
1258 let focused_window =
1259 state.keyboard_focused_window.as_ref().unwrap().clone();
1260
1261 drop(state);
1262 focused_window.handle_input(input.clone());
1263
1264 TimeoutAction::ToDuration(Duration::from_secs(1) / rate)
1265 }
1266 })
1267 .unwrap();
1268
1269 drop(state);
1270 focused_window.handle_input(input);
1271 }
1272 wl_keyboard::KeyState::Released if !keysym.is_modifier_key() => {
1273 let input = PlatformInput::KeyUp(KeyUpEvent {
1274 keystroke: Keystroke::from_xkb(keymap_state, state.modifiers, keycode),
1275 });
1276
1277 if state.repeat.current_keycode == Some(keycode) {
1278 state.repeat.current_keycode = None;
1279 }
1280
1281 drop(state);
1282 focused_window.handle_input(input);
1283 }
1284 _ => {}
1285 }
1286 }
1287 _ => {}
1288 }
1289 }
1290}
1291impl Dispatch<zwp_text_input_v3::ZwpTextInputV3, ()> for WaylandClientStatePtr {
1292 fn event(
1293 this: &mut Self,
1294 text_input: &zwp_text_input_v3::ZwpTextInputV3,
1295 event: <zwp_text_input_v3::ZwpTextInputV3 as Proxy>::Event,
1296 _: &(),
1297 _: &Connection,
1298 _: &QueueHandle<Self>,
1299 ) {
1300 let client = this.get_client();
1301 let mut state = client.borrow_mut();
1302 match event {
1303 zwp_text_input_v3::Event::Enter { .. } => {
1304 drop(state);
1305 this.enable_ime();
1306 }
1307 zwp_text_input_v3::Event::Leave { .. } => {
1308 drop(state);
1309 this.disable_ime();
1310 }
1311 zwp_text_input_v3::Event::CommitString { text } => {
1312 state.composing = false;
1313 let Some(window) = state.keyboard_focused_window.clone() else {
1314 return;
1315 };
1316
1317 if let Some(commit_text) = text {
1318 drop(state);
1319 // IBus Intercepts keys like `a`, `b`, but those keys are needed for vim mode.
1320 // We should only send ASCII characters to Zed, otherwise a user could remap a letter like `か` or `相`.
1321 if commit_text.len() == 1 {
1322 window.handle_input(PlatformInput::KeyDown(KeyDownEvent {
1323 keystroke: Keystroke {
1324 modifiers: Modifiers::default(),
1325 key: commit_text.clone(),
1326 ime_key: Some(commit_text),
1327 },
1328 is_held: false,
1329 }));
1330 } else {
1331 window.handle_ime(ImeInput::InsertText(commit_text));
1332 }
1333 }
1334 }
1335 zwp_text_input_v3::Event::PreeditString { text, .. } => {
1336 state.composing = true;
1337 state.pre_edit_text = text;
1338 }
1339 zwp_text_input_v3::Event::Done { serial } => {
1340 let last_serial = state.serial_tracker.get(SerialKind::InputMethod);
1341 state.serial_tracker.update(SerialKind::InputMethod, serial);
1342 let Some(window) = state.keyboard_focused_window.clone() else {
1343 return;
1344 };
1345
1346 if let Some(text) = state.pre_edit_text.take() {
1347 drop(state);
1348 window.handle_ime(ImeInput::SetMarkedText(text));
1349 if let Some(area) = window.get_ime_area() {
1350 text_input.set_cursor_rectangle(
1351 area.origin.x.0 as i32,
1352 area.origin.y.0 as i32,
1353 area.size.width.0 as i32,
1354 area.size.height.0 as i32,
1355 );
1356 if last_serial == serial {
1357 text_input.commit();
1358 }
1359 }
1360 } else {
1361 drop(state);
1362 window.handle_ime(ImeInput::DeleteText);
1363 }
1364 }
1365 _ => {}
1366 }
1367 }
1368}
1369
1370fn linux_button_to_gpui(button: u32) -> Option<MouseButton> {
1371 // These values are coming from <linux/input-event-codes.h>.
1372 const BTN_LEFT: u32 = 0x110;
1373 const BTN_RIGHT: u32 = 0x111;
1374 const BTN_MIDDLE: u32 = 0x112;
1375 const BTN_SIDE: u32 = 0x113;
1376 const BTN_EXTRA: u32 = 0x114;
1377 const BTN_FORWARD: u32 = 0x115;
1378 const BTN_BACK: u32 = 0x116;
1379
1380 Some(match button {
1381 BTN_LEFT => MouseButton::Left,
1382 BTN_RIGHT => MouseButton::Right,
1383 BTN_MIDDLE => MouseButton::Middle,
1384 BTN_BACK | BTN_SIDE => MouseButton::Navigate(NavigationDirection::Back),
1385 BTN_FORWARD | BTN_EXTRA => MouseButton::Navigate(NavigationDirection::Forward),
1386 _ => return None,
1387 })
1388}
1389
1390impl Dispatch<wl_pointer::WlPointer, ()> for WaylandClientStatePtr {
1391 fn event(
1392 this: &mut Self,
1393 wl_pointer: &wl_pointer::WlPointer,
1394 event: wl_pointer::Event,
1395 _: &(),
1396 _: &Connection,
1397 _: &QueueHandle<Self>,
1398 ) {
1399 let mut client = this.get_client();
1400 let mut state = client.borrow_mut();
1401
1402 match event {
1403 wl_pointer::Event::Enter {
1404 serial,
1405 surface,
1406 surface_x,
1407 surface_y,
1408 ..
1409 } => {
1410 state.serial_tracker.update(SerialKind::MouseEnter, serial);
1411 state.mouse_location = Some(point(px(surface_x as f32), px(surface_y as f32)));
1412 state.button_pressed = None;
1413
1414 if let Some(window) = get_window(&mut state, &surface.id()) {
1415 state.mouse_focused_window = Some(window.clone());
1416
1417 if state.enter_token.is_some() {
1418 state.enter_token = None;
1419 }
1420 if let Some(style) = state.cursor_style {
1421 if let Some(cursor_shape_device) = &state.cursor_shape_device {
1422 cursor_shape_device.set_shape(serial, style.to_shape());
1423 } else {
1424 state
1425 .cursor
1426 .set_icon(&wl_pointer, serial, &style.to_icon_name());
1427 }
1428 }
1429 drop(state);
1430 window.set_hovered(true);
1431 }
1432 }
1433 wl_pointer::Event::Leave { .. } => {
1434 if let Some(focused_window) = state.mouse_focused_window.clone() {
1435 let input = PlatformInput::MouseExited(MouseExitEvent {
1436 position: state.mouse_location.unwrap(),
1437 pressed_button: state.button_pressed,
1438 modifiers: state.modifiers,
1439 });
1440 state.mouse_focused_window = None;
1441 state.mouse_location = None;
1442 state.button_pressed = None;
1443
1444 drop(state);
1445 focused_window.handle_input(input);
1446 focused_window.set_hovered(false);
1447 }
1448 }
1449 wl_pointer::Event::Motion {
1450 surface_x,
1451 surface_y,
1452 ..
1453 } => {
1454 if state.mouse_focused_window.is_none() {
1455 return;
1456 }
1457 state.mouse_location = Some(point(px(surface_x as f32), px(surface_y as f32)));
1458
1459 if let Some(window) = state.mouse_focused_window.clone() {
1460 if state
1461 .keyboard_focused_window
1462 .as_ref()
1463 .map_or(false, |keyboard_window| window.ptr_eq(&keyboard_window))
1464 {
1465 state.enter_token = None;
1466 }
1467 let input = PlatformInput::MouseMove(MouseMoveEvent {
1468 position: state.mouse_location.unwrap(),
1469 pressed_button: state.button_pressed,
1470 modifiers: state.modifiers,
1471 });
1472 drop(state);
1473 window.handle_input(input);
1474 }
1475 }
1476 wl_pointer::Event::Button {
1477 serial,
1478 button,
1479 state: WEnum::Value(button_state),
1480 ..
1481 } => {
1482 state.serial_tracker.update(SerialKind::MousePress, serial);
1483 let button = linux_button_to_gpui(button);
1484 let Some(button) = button else { return };
1485 if state.mouse_focused_window.is_none() {
1486 return;
1487 }
1488 match button_state {
1489 wl_pointer::ButtonState::Pressed => {
1490 if let Some(window) = state.keyboard_focused_window.clone() {
1491 if state.composing && state.text_input.is_some() {
1492 drop(state);
1493 // text_input_v3 don't have something like a reset function
1494 this.disable_ime();
1495 this.enable_ime();
1496 window.handle_ime(ImeInput::UnmarkText);
1497 state = client.borrow_mut();
1498 } else if let (Some(text), Some(compose)) =
1499 (state.pre_edit_text.take(), state.compose_state.as_mut())
1500 {
1501 compose.reset();
1502 drop(state);
1503 window.handle_ime(ImeInput::InsertText(text));
1504 state = client.borrow_mut();
1505 }
1506 }
1507 let click_elapsed = state.click.last_click.elapsed();
1508
1509 if click_elapsed < DOUBLE_CLICK_INTERVAL
1510 && is_within_click_distance(
1511 state.click.last_location,
1512 state.mouse_location.unwrap(),
1513 )
1514 {
1515 state.click.current_count += 1;
1516 } else {
1517 state.click.current_count = 1;
1518 }
1519
1520 state.click.last_click = Instant::now();
1521 state.click.last_location = state.mouse_location.unwrap();
1522
1523 state.button_pressed = Some(button);
1524
1525 if let Some(window) = state.mouse_focused_window.clone() {
1526 let input = PlatformInput::MouseDown(MouseDownEvent {
1527 button,
1528 position: state.mouse_location.unwrap(),
1529 modifiers: state.modifiers,
1530 click_count: state.click.current_count,
1531 first_mouse: state.enter_token.take().is_some(),
1532 });
1533 drop(state);
1534 window.handle_input(input);
1535 }
1536 }
1537 wl_pointer::ButtonState::Released => {
1538 state.button_pressed = None;
1539
1540 if let Some(window) = state.mouse_focused_window.clone() {
1541 let input = PlatformInput::MouseUp(MouseUpEvent {
1542 button,
1543 position: state.mouse_location.unwrap(),
1544 modifiers: state.modifiers,
1545 click_count: state.click.current_count,
1546 });
1547 drop(state);
1548 window.handle_input(input);
1549 }
1550 }
1551 _ => {}
1552 }
1553 }
1554
1555 // Axis Events
1556 wl_pointer::Event::AxisSource {
1557 axis_source: WEnum::Value(axis_source),
1558 } => {
1559 state.axis_source = axis_source;
1560 }
1561 wl_pointer::Event::Axis {
1562 axis: WEnum::Value(axis),
1563 value,
1564 ..
1565 } => {
1566 if state.axis_source == AxisSource::Wheel {
1567 return;
1568 }
1569 let axis = if state.modifiers.shift {
1570 wl_pointer::Axis::HorizontalScroll
1571 } else {
1572 axis
1573 };
1574 let axis_modifier = match axis {
1575 wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1576 wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1577 _ => 1.0,
1578 };
1579 state.scroll_event_received = true;
1580 let scroll_delta = state
1581 .continuous_scroll_delta
1582 .get_or_insert(point(px(0.0), px(0.0)));
1583 let modifier = 3.0;
1584 match axis {
1585 wl_pointer::Axis::VerticalScroll => {
1586 scroll_delta.y += px(value as f32 * modifier * axis_modifier);
1587 }
1588 wl_pointer::Axis::HorizontalScroll => {
1589 scroll_delta.x += px(value as f32 * modifier * axis_modifier);
1590 }
1591 _ => unreachable!(),
1592 }
1593 }
1594 wl_pointer::Event::AxisDiscrete {
1595 axis: WEnum::Value(axis),
1596 discrete,
1597 } => {
1598 state.scroll_event_received = true;
1599 let axis = if state.modifiers.shift {
1600 wl_pointer::Axis::HorizontalScroll
1601 } else {
1602 axis
1603 };
1604 let axis_modifier = match axis {
1605 wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1606 wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1607 _ => 1.0,
1608 };
1609
1610 let scroll_delta = state.discrete_scroll_delta.get_or_insert(point(0.0, 0.0));
1611 match axis {
1612 wl_pointer::Axis::VerticalScroll => {
1613 scroll_delta.y += discrete as f32 * axis_modifier * SCROLL_LINES as f32;
1614 }
1615 wl_pointer::Axis::HorizontalScroll => {
1616 scroll_delta.x += discrete as f32 * axis_modifier * SCROLL_LINES as f32;
1617 }
1618 _ => unreachable!(),
1619 }
1620 }
1621 wl_pointer::Event::AxisValue120 {
1622 axis: WEnum::Value(axis),
1623 value120,
1624 } => {
1625 state.scroll_event_received = true;
1626 let axis = if state.modifiers.shift {
1627 wl_pointer::Axis::HorizontalScroll
1628 } else {
1629 axis
1630 };
1631 let axis_modifier = match axis {
1632 wl_pointer::Axis::VerticalScroll => state.vertical_modifier,
1633 wl_pointer::Axis::HorizontalScroll => state.horizontal_modifier,
1634 _ => unreachable!(),
1635 };
1636
1637 let scroll_delta = state.discrete_scroll_delta.get_or_insert(point(0.0, 0.0));
1638 let wheel_percent = value120 as f32 / 120.0;
1639 match axis {
1640 wl_pointer::Axis::VerticalScroll => {
1641 scroll_delta.y += wheel_percent * axis_modifier * SCROLL_LINES as f32;
1642 }
1643 wl_pointer::Axis::HorizontalScroll => {
1644 scroll_delta.x += wheel_percent * axis_modifier * SCROLL_LINES as f32;
1645 }
1646 _ => unreachable!(),
1647 }
1648 }
1649 wl_pointer::Event::Frame => {
1650 if state.scroll_event_received {
1651 state.scroll_event_received = false;
1652 let continuous = state.continuous_scroll_delta.take();
1653 let discrete = state.discrete_scroll_delta.take();
1654 if let Some(continuous) = continuous {
1655 if let Some(window) = state.mouse_focused_window.clone() {
1656 let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
1657 position: state.mouse_location.unwrap(),
1658 delta: ScrollDelta::Pixels(continuous),
1659 modifiers: state.modifiers,
1660 touch_phase: TouchPhase::Moved,
1661 });
1662 drop(state);
1663 window.handle_input(input);
1664 }
1665 } else if let Some(discrete) = discrete {
1666 if let Some(window) = state.mouse_focused_window.clone() {
1667 let input = PlatformInput::ScrollWheel(ScrollWheelEvent {
1668 position: state.mouse_location.unwrap(),
1669 delta: ScrollDelta::Lines(discrete),
1670 modifiers: state.modifiers,
1671 touch_phase: TouchPhase::Moved,
1672 });
1673 drop(state);
1674 window.handle_input(input);
1675 }
1676 }
1677 }
1678 }
1679 _ => {}
1680 }
1681 }
1682}
1683
1684impl Dispatch<wp_fractional_scale_v1::WpFractionalScaleV1, ObjectId> for WaylandClientStatePtr {
1685 fn event(
1686 this: &mut Self,
1687 _: &wp_fractional_scale_v1::WpFractionalScaleV1,
1688 event: <wp_fractional_scale_v1::WpFractionalScaleV1 as Proxy>::Event,
1689 surface_id: &ObjectId,
1690 _: &Connection,
1691 _: &QueueHandle<Self>,
1692 ) {
1693 let client = this.get_client();
1694 let mut state = client.borrow_mut();
1695
1696 let Some(window) = get_window(&mut state, surface_id) else {
1697 return;
1698 };
1699
1700 drop(state);
1701 window.handle_fractional_scale_event(event);
1702 }
1703}
1704
1705impl Dispatch<zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1, ObjectId>
1706 for WaylandClientStatePtr
1707{
1708 fn event(
1709 this: &mut Self,
1710 _: &zxdg_toplevel_decoration_v1::ZxdgToplevelDecorationV1,
1711 event: zxdg_toplevel_decoration_v1::Event,
1712 surface_id: &ObjectId,
1713 _: &Connection,
1714 _: &QueueHandle<Self>,
1715 ) {
1716 let client = this.get_client();
1717 let mut state = client.borrow_mut();
1718 let Some(window) = get_window(&mut state, surface_id) else {
1719 return;
1720 };
1721
1722 drop(state);
1723 window.handle_toplevel_decoration_event(event);
1724 }
1725}
1726
1727impl Dispatch<wl_data_device::WlDataDevice, ()> for WaylandClientStatePtr {
1728 fn event(
1729 this: &mut Self,
1730 _: &wl_data_device::WlDataDevice,
1731 event: wl_data_device::Event,
1732 _: &(),
1733 _: &Connection,
1734 _: &QueueHandle<Self>,
1735 ) {
1736 let client = this.get_client();
1737 let mut state = client.borrow_mut();
1738
1739 match event {
1740 // Clipboard
1741 wl_data_device::Event::DataOffer { id: data_offer } => {
1742 state.data_offers.push(DataOffer::new(data_offer));
1743 if state.data_offers.len() > 2 {
1744 // At most we store a clipboard offer and a drag and drop offer.
1745 state.data_offers.remove(0).inner.destroy();
1746 }
1747 }
1748 wl_data_device::Event::Selection { id: data_offer } => {
1749 if let Some(offer) = data_offer {
1750 let offer = state
1751 .data_offers
1752 .iter()
1753 .find(|wrapper| wrapper.inner.id() == offer.id());
1754 let offer = offer.cloned();
1755 state.clipboard.set_offer(offer);
1756 } else {
1757 state.clipboard.set_offer(None);
1758 }
1759 }
1760
1761 // Drag and drop
1762 wl_data_device::Event::Enter {
1763 serial,
1764 surface,
1765 x,
1766 y,
1767 id: data_offer,
1768 } => {
1769 state.serial_tracker.update(SerialKind::DataDevice, serial);
1770 if let Some(data_offer) = data_offer {
1771 let Some(drag_window) = get_window(&mut state, &surface.id()) else {
1772 return;
1773 };
1774
1775 const ACTIONS: DndAction = DndAction::Copy;
1776 data_offer.set_actions(ACTIONS, ACTIONS);
1777
1778 let pipe = Pipe::new().unwrap();
1779 data_offer.receive(FILE_LIST_MIME_TYPE.to_string(), unsafe {
1780 BorrowedFd::borrow_raw(pipe.write.as_raw_fd())
1781 });
1782 let fd = pipe.read;
1783 drop(pipe.write);
1784
1785 let read_task = state
1786 .common
1787 .background_executor
1788 .spawn(async { unsafe { read_fd(fd) } });
1789
1790 let this = this.clone();
1791 state
1792 .common
1793 .foreground_executor
1794 .spawn(async move {
1795 let file_list = match read_task.await {
1796 Ok(list) => list,
1797 Err(err) => {
1798 log::error!("error reading drag and drop pipe: {err:?}");
1799 return;
1800 }
1801 };
1802
1803 let paths: SmallVec<[_; 2]> = file_list
1804 .lines()
1805 .filter_map(|path| Url::parse(path).log_err())
1806 .filter_map(|url| url.to_file_path().log_err())
1807 .collect();
1808 let position = Point::new(x.into(), y.into());
1809
1810 // Prevent dropping text from other programs.
1811 if paths.is_empty() {
1812 data_offer.destroy();
1813 return;
1814 }
1815
1816 let input = PlatformInput::FileDrop(FileDropEvent::Entered {
1817 position,
1818 paths: crate::ExternalPaths(paths),
1819 });
1820
1821 let client = this.get_client();
1822 let mut state = client.borrow_mut();
1823 state.drag.data_offer = Some(data_offer);
1824 state.drag.window = Some(drag_window.clone());
1825 state.drag.position = position;
1826
1827 drop(state);
1828 drag_window.handle_input(input);
1829 })
1830 .detach();
1831 }
1832 }
1833 wl_data_device::Event::Motion { x, y, .. } => {
1834 let Some(drag_window) = state.drag.window.clone() else {
1835 return;
1836 };
1837 let position = Point::new(x.into(), y.into());
1838 state.drag.position = position;
1839
1840 let input = PlatformInput::FileDrop(FileDropEvent::Pending { position });
1841 drop(state);
1842 drag_window.handle_input(input);
1843 }
1844 wl_data_device::Event::Leave => {
1845 let Some(drag_window) = state.drag.window.clone() else {
1846 return;
1847 };
1848 let data_offer = state.drag.data_offer.clone().unwrap();
1849 data_offer.destroy();
1850
1851 state.drag.data_offer = None;
1852 state.drag.window = None;
1853
1854 let input = PlatformInput::FileDrop(FileDropEvent::Exited {});
1855 drop(state);
1856 drag_window.handle_input(input);
1857 }
1858 wl_data_device::Event::Drop => {
1859 let Some(drag_window) = state.drag.window.clone() else {
1860 return;
1861 };
1862 let data_offer = state.drag.data_offer.clone().unwrap();
1863 data_offer.finish();
1864 data_offer.destroy();
1865
1866 state.drag.data_offer = None;
1867 state.drag.window = None;
1868
1869 let input = PlatformInput::FileDrop(FileDropEvent::Submit {
1870 position: state.drag.position,
1871 });
1872 drop(state);
1873 drag_window.handle_input(input);
1874 }
1875 _ => {}
1876 }
1877 }
1878
1879 event_created_child!(WaylandClientStatePtr, wl_data_device::WlDataDevice, [
1880 wl_data_device::EVT_DATA_OFFER_OPCODE => (wl_data_offer::WlDataOffer, ()),
1881 ]);
1882}
1883
1884impl Dispatch<wl_data_offer::WlDataOffer, ()> for WaylandClientStatePtr {
1885 fn event(
1886 this: &mut Self,
1887 data_offer: &wl_data_offer::WlDataOffer,
1888 event: wl_data_offer::Event,
1889 _: &(),
1890 _: &Connection,
1891 _: &QueueHandle<Self>,
1892 ) {
1893 let client = this.get_client();
1894 let mut state = client.borrow_mut();
1895
1896 match event {
1897 wl_data_offer::Event::Offer { mime_type } => {
1898 // Drag and drop
1899 if mime_type == FILE_LIST_MIME_TYPE {
1900 let serial = state.serial_tracker.get(SerialKind::DataDevice);
1901 let mime_type = mime_type.clone();
1902 data_offer.accept(serial, Some(mime_type));
1903 }
1904
1905 // Clipboard
1906 if let Some(offer) = state
1907 .data_offers
1908 .iter_mut()
1909 .find(|wrapper| wrapper.inner.id() == data_offer.id())
1910 {
1911 offer.add_mime_type(mime_type);
1912 }
1913 }
1914 _ => {}
1915 }
1916 }
1917}
1918
1919impl Dispatch<wl_data_source::WlDataSource, ()> for WaylandClientStatePtr {
1920 fn event(
1921 this: &mut Self,
1922 data_source: &wl_data_source::WlDataSource,
1923 event: wl_data_source::Event,
1924 _: &(),
1925 _: &Connection,
1926 _: &QueueHandle<Self>,
1927 ) {
1928 let client = this.get_client();
1929 let mut state = client.borrow_mut();
1930
1931 match event {
1932 wl_data_source::Event::Send { mime_type, fd } => {
1933 state.clipboard.send(mime_type, fd);
1934 }
1935 wl_data_source::Event::Cancelled => {
1936 data_source.destroy();
1937 }
1938 _ => {}
1939 }
1940 }
1941}
1942
1943impl Dispatch<zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1, ()>
1944 for WaylandClientStatePtr
1945{
1946 fn event(
1947 this: &mut Self,
1948 _: &zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1,
1949 event: zwp_primary_selection_device_v1::Event,
1950 _: &(),
1951 _: &Connection,
1952 _: &QueueHandle<Self>,
1953 ) {
1954 let client = this.get_client();
1955 let mut state = client.borrow_mut();
1956
1957 match event {
1958 zwp_primary_selection_device_v1::Event::DataOffer { offer } => {
1959 let old_offer = state.primary_data_offer.replace(DataOffer::new(offer));
1960 if let Some(old_offer) = old_offer {
1961 old_offer.inner.destroy();
1962 }
1963 }
1964 zwp_primary_selection_device_v1::Event::Selection { id: data_offer } => {
1965 if data_offer.is_some() {
1966 let offer = state.primary_data_offer.clone();
1967 state.clipboard.set_primary_offer(offer);
1968 } else {
1969 state.clipboard.set_primary_offer(None);
1970 }
1971 }
1972 _ => {}
1973 }
1974 }
1975
1976 event_created_child!(WaylandClientStatePtr, zwp_primary_selection_device_v1::ZwpPrimarySelectionDeviceV1, [
1977 zwp_primary_selection_device_v1::EVT_DATA_OFFER_OPCODE => (zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1, ()),
1978 ]);
1979}
1980
1981impl Dispatch<zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1, ()>
1982 for WaylandClientStatePtr
1983{
1984 fn event(
1985 this: &mut Self,
1986 _data_offer: &zwp_primary_selection_offer_v1::ZwpPrimarySelectionOfferV1,
1987 event: zwp_primary_selection_offer_v1::Event,
1988 _: &(),
1989 _: &Connection,
1990 _: &QueueHandle<Self>,
1991 ) {
1992 let client = this.get_client();
1993 let mut state = client.borrow_mut();
1994
1995 match event {
1996 zwp_primary_selection_offer_v1::Event::Offer { mime_type } => {
1997 if let Some(offer) = state.primary_data_offer.as_mut() {
1998 offer.add_mime_type(mime_type);
1999 }
2000 }
2001 _ => {}
2002 }
2003 }
2004}
2005
2006impl Dispatch<zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1, ()>
2007 for WaylandClientStatePtr
2008{
2009 fn event(
2010 this: &mut Self,
2011 selection_source: &zwp_primary_selection_source_v1::ZwpPrimarySelectionSourceV1,
2012 event: zwp_primary_selection_source_v1::Event,
2013 _: &(),
2014 _: &Connection,
2015 _: &QueueHandle<Self>,
2016 ) {
2017 let client = this.get_client();
2018 let mut state = client.borrow_mut();
2019
2020 match event {
2021 zwp_primary_selection_source_v1::Event::Send { mime_type, fd } => {
2022 state.clipboard.send_primary(mime_type, fd);
2023 }
2024 zwp_primary_selection_source_v1::Event::Cancelled => {
2025 selection_source.destroy();
2026 }
2027 _ => {}
2028 }
2029 }
2030}