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