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