1#![allow(unused)]
2
3use std::any::{type_name, Any};
4use std::cell::{self, RefCell};
5use std::env;
6use std::fs::File;
7use std::io::Read;
8use std::ops::{Deref, DerefMut};
9use std::os::fd::{AsRawFd, FromRawFd};
10use std::panic::Location;
11use std::rc::Weak;
12use std::{
13 path::{Path, PathBuf},
14 process::Command,
15 rc::Rc,
16 sync::Arc,
17 time::Duration,
18};
19
20use anyhow::anyhow;
21use ashpd::desktop::file_chooser::{OpenFileRequest, SaveFileRequest};
22use async_task::Runnable;
23use calloop::channel::Channel;
24use calloop::{EventLoop, LoopHandle, LoopSignal};
25use filedescriptor::FileDescriptor;
26use flume::{Receiver, Sender};
27use futures::channel::oneshot;
28use parking_lot::Mutex;
29use time::UtcOffset;
30use util::ResultExt;
31use wayland_client::Connection;
32use wayland_protocols::wp::cursor_shape::v1::client::wp_cursor_shape_device_v1::Shape;
33use xkbcommon::xkb::{self, Keycode, Keysym, State};
34
35use crate::platform::linux::wayland::WaylandClient;
36use crate::{
37 px, Action, AnyWindowHandle, BackgroundExecutor, ClipboardItem, CosmicTextSystem, CursorStyle,
38 DisplayId, ForegroundExecutor, Keymap, Keystroke, LinuxDispatcher, Menu, MenuItem, Modifiers,
39 OwnedMenu, PathPromptOptions, Pixels, Platform, PlatformDisplay, PlatformInputHandler,
40 PlatformTextSystem, PlatformWindow, Point, PromptLevel, Result, SemanticVersion, SharedString,
41 Size, Task, WindowAppearance, WindowOptions, WindowParams,
42};
43
44use super::x11::X11Client;
45
46pub(crate) const SCROLL_LINES: f64 = 3.0;
47
48// Values match the defaults on GTK.
49// Taken from https://github.com/GNOME/gtk/blob/main/gtk/gtksettings.c#L320
50pub(crate) const DOUBLE_CLICK_INTERVAL: Duration = Duration::from_millis(400);
51pub(crate) const DOUBLE_CLICK_DISTANCE: Pixels = px(5.0);
52pub(crate) const KEYRING_LABEL: &str = "zed-github-account";
53
54pub trait LinuxClient {
55 fn compositor_name(&self) -> &'static str;
56 fn with_common<R>(&self, f: impl FnOnce(&mut LinuxCommon) -> R) -> R;
57 fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>>;
58 fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>>;
59 fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>>;
60
61 fn open_window(
62 &self,
63 handle: AnyWindowHandle,
64 options: WindowParams,
65 ) -> anyhow::Result<Box<dyn PlatformWindow>>;
66 fn set_cursor_style(&self, style: CursorStyle);
67 fn open_uri(&self, uri: &str);
68 fn write_to_primary(&self, item: ClipboardItem);
69 fn write_to_clipboard(&self, item: ClipboardItem);
70 fn read_from_primary(&self) -> Option<ClipboardItem>;
71 fn read_from_clipboard(&self) -> Option<ClipboardItem>;
72 fn active_window(&self) -> Option<AnyWindowHandle>;
73 fn run(&self);
74}
75
76#[derive(Default)]
77pub(crate) struct PlatformHandlers {
78 pub(crate) open_urls: Option<Box<dyn FnMut(Vec<String>)>>,
79 pub(crate) quit: Option<Box<dyn FnMut()>>,
80 pub(crate) reopen: Option<Box<dyn FnMut()>>,
81 pub(crate) app_menu_action: Option<Box<dyn FnMut(&dyn Action)>>,
82 pub(crate) will_open_app_menu: Option<Box<dyn FnMut()>>,
83 pub(crate) validate_app_menu_command: Option<Box<dyn FnMut(&dyn Action) -> bool>>,
84}
85
86pub(crate) struct LinuxCommon {
87 pub(crate) background_executor: BackgroundExecutor,
88 pub(crate) foreground_executor: ForegroundExecutor,
89 pub(crate) text_system: Arc<CosmicTextSystem>,
90 pub(crate) appearance: WindowAppearance,
91 pub(crate) auto_hide_scrollbars: bool,
92 pub(crate) callbacks: PlatformHandlers,
93 pub(crate) signal: LoopSignal,
94 pub(crate) menus: Vec<OwnedMenu>,
95}
96
97impl LinuxCommon {
98 pub fn new(signal: LoopSignal) -> (Self, Channel<Runnable>) {
99 let (main_sender, main_receiver) = calloop::channel::channel::<Runnable>();
100 let text_system = Arc::new(CosmicTextSystem::new());
101 let callbacks = PlatformHandlers::default();
102
103 let dispatcher = Arc::new(LinuxDispatcher::new(main_sender.clone()));
104
105 let background_executor = BackgroundExecutor::new(dispatcher.clone());
106
107 let common = LinuxCommon {
108 background_executor,
109 foreground_executor: ForegroundExecutor::new(dispatcher.clone()),
110 text_system,
111 appearance: WindowAppearance::Light,
112 auto_hide_scrollbars: false,
113 callbacks,
114 signal,
115 menus: Vec::new(),
116 };
117
118 (common, main_receiver)
119 }
120}
121
122impl<P: LinuxClient + 'static> Platform for P {
123 fn background_executor(&self) -> BackgroundExecutor {
124 self.with_common(|common| common.background_executor.clone())
125 }
126
127 fn foreground_executor(&self) -> ForegroundExecutor {
128 self.with_common(|common| common.foreground_executor.clone())
129 }
130
131 fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
132 self.with_common(|common| common.text_system.clone())
133 }
134
135 fn run(&self, on_finish_launching: Box<dyn FnOnce()>) {
136 on_finish_launching();
137
138 LinuxClient::run(self);
139
140 self.with_common(|common| {
141 if let Some(mut fun) = common.callbacks.quit.take() {
142 fun();
143 }
144 });
145 }
146
147 fn quit(&self) {
148 self.with_common(|common| common.signal.stop());
149 }
150
151 fn compositor_name(&self) -> &'static str {
152 self.compositor_name()
153 }
154
155 fn restart(&self, binary_path: Option<PathBuf>) {
156 use std::os::unix::process::CommandExt as _;
157
158 // get the process id of the current process
159 let app_pid = std::process::id().to_string();
160 // get the path to the executable
161 let app_path = if let Some(path) = binary_path {
162 path
163 } else {
164 match self.app_path() {
165 Ok(path) => path,
166 Err(err) => {
167 log::error!("Failed to get app path: {:?}", err);
168 return;
169 }
170 }
171 };
172
173 log::info!("Restarting process, using app path: {:?}", app_path);
174
175 // Script to wait for the current process to exit and then restart the app.
176 // We also wait for possibly open TCP sockets by the process to be closed,
177 // since on Linux it's not guaranteed that a process' resources have been
178 // cleaned up when `kill -0` returns.
179 let script = format!(
180 r#"
181 while kill -O {pid} 2>/dev/null; do
182 sleep 0.1
183 done
184
185 while lsof -nP -iTCP -a -p {pid} 2>/dev/null; do
186 sleep 0.1
187 done
188
189 {app_path}
190 "#,
191 pid = app_pid,
192 app_path = app_path.display()
193 );
194
195 // execute the script using /bin/bash
196 let restart_process = Command::new("/bin/bash")
197 .arg("-c")
198 .arg(script)
199 .process_group(0)
200 .spawn();
201
202 match restart_process {
203 Ok(_) => self.quit(),
204 Err(e) => log::error!("failed to spawn restart script: {:?}", e),
205 }
206 }
207
208 fn activate(&self, ignoring_other_apps: bool) {
209 log::info!("activate is not implemented on Linux, ignoring the call")
210 }
211
212 fn hide(&self) {
213 log::info!("hide is not implemented on Linux, ignoring the call")
214 }
215
216 fn hide_other_apps(&self) {
217 log::info!("hide_other_apps is not implemented on Linux, ignoring the call")
218 }
219
220 fn unhide_other_apps(&self) {
221 log::info!("unhide_other_apps is not implemented on Linux, ignoring the call")
222 }
223
224 fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>> {
225 self.primary_display()
226 }
227
228 fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
229 self.displays()
230 }
231
232 fn active_window(&self) -> Option<AnyWindowHandle> {
233 self.active_window()
234 }
235
236 fn open_window(
237 &self,
238 handle: AnyWindowHandle,
239 options: WindowParams,
240 ) -> anyhow::Result<Box<dyn PlatformWindow>> {
241 self.open_window(handle, options)
242 }
243
244 fn open_url(&self, url: &str) {
245 self.open_uri(url);
246 }
247
248 fn on_open_urls(&self, callback: Box<dyn FnMut(Vec<String>)>) {
249 self.with_common(|common| common.callbacks.open_urls = Some(callback));
250 }
251
252 fn prompt_for_paths(
253 &self,
254 options: PathPromptOptions,
255 ) -> oneshot::Receiver<Option<Vec<PathBuf>>> {
256 let (done_tx, done_rx) = oneshot::channel();
257 self.foreground_executor()
258 .spawn(async move {
259 let title = if options.multiple {
260 if !options.files {
261 "Open folders"
262 } else {
263 "Open files"
264 }
265 } else {
266 if !options.files {
267 "Open folder"
268 } else {
269 "Open file"
270 }
271 };
272
273 let result = OpenFileRequest::default()
274 .modal(true)
275 .title(title)
276 .accept_label("Select")
277 .multiple(options.multiple)
278 .directory(options.directories)
279 .send()
280 .await
281 .ok()
282 .and_then(|request| request.response().ok())
283 .and_then(|response| {
284 response
285 .uris()
286 .iter()
287 .map(|uri| uri.to_file_path().ok())
288 .collect()
289 });
290
291 done_tx.send(result);
292 })
293 .detach();
294 done_rx
295 }
296
297 fn prompt_for_new_path(&self, directory: &Path) -> oneshot::Receiver<Option<PathBuf>> {
298 let (done_tx, done_rx) = oneshot::channel();
299 let directory = directory.to_owned();
300 self.foreground_executor()
301 .spawn(async move {
302 let result = SaveFileRequest::default()
303 .modal(true)
304 .title("Select new path")
305 .accept_label("Accept")
306 .send()
307 .await
308 .ok()
309 .and_then(|request| request.response().ok())
310 .and_then(|response| {
311 response
312 .uris()
313 .first()
314 .and_then(|uri| uri.to_file_path().ok())
315 });
316
317 done_tx.send(result);
318 })
319 .detach();
320
321 done_rx
322 }
323
324 fn reveal_path(&self, path: &Path) {
325 if path.is_dir() {
326 open::that_detached(path);
327 return;
328 }
329 // If `path` is a file, the system may try to open it in a text editor
330 let dir = path.parent().unwrap_or(Path::new(""));
331 open::that_detached(dir);
332 }
333
334 fn on_quit(&self, callback: Box<dyn FnMut()>) {
335 self.with_common(|common| {
336 common.callbacks.quit = Some(callback);
337 });
338 }
339
340 fn on_reopen(&self, callback: Box<dyn FnMut()>) {
341 self.with_common(|common| {
342 common.callbacks.reopen = Some(callback);
343 });
344 }
345
346 fn on_app_menu_action(&self, callback: Box<dyn FnMut(&dyn Action)>) {
347 self.with_common(|common| {
348 common.callbacks.app_menu_action = Some(callback);
349 });
350 }
351
352 fn on_will_open_app_menu(&self, callback: Box<dyn FnMut()>) {
353 self.with_common(|common| {
354 common.callbacks.will_open_app_menu = Some(callback);
355 });
356 }
357
358 fn on_validate_app_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {
359 self.with_common(|common| {
360 common.callbacks.validate_app_menu_command = Some(callback);
361 });
362 }
363
364 fn app_path(&self) -> Result<PathBuf> {
365 // get the path of the executable of the current process
366 let exe_path = std::env::current_exe()?;
367 Ok(exe_path)
368 }
369
370 fn set_menus(&self, menus: Vec<Menu>, _keymap: &Keymap) {
371 self.with_common(|common| {
372 common.menus = menus.into_iter().map(|menu| menu.owned()).collect();
373 })
374 }
375
376 fn get_menus(&self) -> Option<Vec<OwnedMenu>> {
377 self.with_common(|common| Some(common.menus.clone()))
378 }
379
380 fn set_dock_menu(&self, menu: Vec<MenuItem>, keymap: &Keymap) {}
381
382 fn local_timezone(&self) -> UtcOffset {
383 UtcOffset::UTC
384 }
385
386 fn path_for_auxiliary_executable(&self, name: &str) -> Result<PathBuf> {
387 Err(anyhow::Error::msg(
388 "Platform<LinuxPlatform>::path_for_auxiliary_executable is not implemented yet",
389 ))
390 }
391
392 fn set_cursor_style(&self, style: CursorStyle) {
393 self.set_cursor_style(style)
394 }
395
396 fn should_auto_hide_scrollbars(&self) -> bool {
397 self.with_common(|common| common.auto_hide_scrollbars)
398 }
399
400 fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Task<Result<()>> {
401 let url = url.to_string();
402 let username = username.to_string();
403 let password = password.to_vec();
404 self.background_executor().spawn(async move {
405 let keyring = oo7::Keyring::new().await?;
406 keyring.unlock().await?;
407 keyring
408 .create_item(
409 KEYRING_LABEL,
410 &vec![("url", &url), ("username", &username)],
411 password,
412 true,
413 )
414 .await?;
415 Ok(())
416 })
417 }
418
419 fn read_credentials(&self, url: &str) -> Task<Result<Option<(String, Vec<u8>)>>> {
420 let url = url.to_string();
421 self.background_executor().spawn(async move {
422 let keyring = oo7::Keyring::new().await?;
423 keyring.unlock().await?;
424
425 let items = keyring.search_items(&vec![("url", &url)]).await?;
426
427 for item in items.into_iter() {
428 if item.label().await.is_ok_and(|label| label == KEYRING_LABEL) {
429 let attributes = item.attributes().await?;
430 let username = attributes
431 .get("username")
432 .ok_or_else(|| anyhow!("Cannot find username in stored credentials"))?;
433 let secret = item.secret().await?;
434
435 // we lose the zeroizing capabilities at this boundary,
436 // a current limitation GPUI's credentials api
437 return Ok(Some((username.to_string(), secret.to_vec())));
438 } else {
439 continue;
440 }
441 }
442 Ok(None)
443 })
444 }
445
446 fn delete_credentials(&self, url: &str) -> Task<Result<()>> {
447 let url = url.to_string();
448 self.background_executor().spawn(async move {
449 let keyring = oo7::Keyring::new().await?;
450 keyring.unlock().await?;
451
452 let items = keyring.search_items(&vec![("url", &url)]).await?;
453
454 for item in items.into_iter() {
455 if item.label().await.is_ok_and(|label| label == KEYRING_LABEL) {
456 item.delete().await?;
457 return Ok(());
458 }
459 }
460
461 Ok(())
462 })
463 }
464
465 fn window_appearance(&self) -> WindowAppearance {
466 self.with_common(|common| common.appearance)
467 }
468
469 fn register_url_scheme(&self, _: &str) -> Task<anyhow::Result<()>> {
470 Task::ready(Err(anyhow!("register_url_scheme unimplemented")))
471 }
472
473 fn write_to_primary(&self, item: ClipboardItem) {
474 self.write_to_primary(item)
475 }
476
477 fn write_to_clipboard(&self, item: ClipboardItem) {
478 self.write_to_clipboard(item)
479 }
480
481 fn read_from_primary(&self) -> Option<ClipboardItem> {
482 self.read_from_primary()
483 }
484
485 fn read_from_clipboard(&self) -> Option<ClipboardItem> {
486 self.read_from_clipboard()
487 }
488
489 fn add_recent_document(&self, _path: &Path) {}
490}
491
492pub(super) fn open_uri_internal(uri: &str, activation_token: Option<&str>) {
493 let mut last_err = None;
494 for mut command in open::commands(uri) {
495 if let Some(token) = activation_token {
496 command.env("XDG_ACTIVATION_TOKEN", token);
497 }
498 match command.spawn() {
499 Ok(_) => return,
500 Err(err) => last_err = Some(err),
501 }
502 }
503 log::error!("failed to open uri: {uri:?}, last error: {last_err:?}");
504}
505
506pub(super) fn is_within_click_distance(a: Point<Pixels>, b: Point<Pixels>) -> bool {
507 let diff = a - b;
508 diff.x.abs() <= DOUBLE_CLICK_DISTANCE && diff.y.abs() <= DOUBLE_CLICK_DISTANCE
509}
510
511pub(super) unsafe fn read_fd(mut fd: FileDescriptor) -> Result<String> {
512 let mut file = File::from_raw_fd(fd.as_raw_fd());
513
514 let mut buffer = String::new();
515 file.read_to_string(&mut buffer)?;
516
517 // Normalize the text to unix line endings, otherwise
518 // copying from eg: firefox inserts a lot of blank
519 // lines, and that is super annoying.
520 let result = buffer.replace("\r\n", "\n");
521 Ok(result)
522}
523
524impl CursorStyle {
525 pub(super) fn to_shape(&self) -> Shape {
526 match self {
527 CursorStyle::Arrow => Shape::Default,
528 CursorStyle::IBeam => Shape::Text,
529 CursorStyle::Crosshair => Shape::Crosshair,
530 CursorStyle::ClosedHand => Shape::Grabbing,
531 CursorStyle::OpenHand => Shape::Grab,
532 CursorStyle::PointingHand => Shape::Pointer,
533 CursorStyle::ResizeLeft => Shape::WResize,
534 CursorStyle::ResizeRight => Shape::EResize,
535 CursorStyle::ResizeLeftRight => Shape::EwResize,
536 CursorStyle::ResizeUp => Shape::NResize,
537 CursorStyle::ResizeDown => Shape::SResize,
538 CursorStyle::ResizeUpDown => Shape::NsResize,
539 CursorStyle::ResizeColumn => Shape::ColResize,
540 CursorStyle::ResizeRow => Shape::RowResize,
541 CursorStyle::IBeamCursorForVerticalLayout => Shape::VerticalText,
542 CursorStyle::OperationNotAllowed => Shape::NotAllowed,
543 CursorStyle::DragLink => Shape::Alias,
544 CursorStyle::DragCopy => Shape::Copy,
545 CursorStyle::ContextualMenu => Shape::ContextMenu,
546 }
547 }
548
549 pub(super) fn to_icon_name(&self) -> String {
550 // Based on cursor names from https://gitlab.gnome.org/GNOME/adwaita-icon-theme (GNOME)
551 // and https://github.com/KDE/breeze (KDE). Both of them seem to be also derived from
552 // Web CSS cursor names: https://developer.mozilla.org/en-US/docs/Web/CSS/cursor#values
553 match self {
554 CursorStyle::Arrow => "arrow",
555 CursorStyle::IBeam => "text",
556 CursorStyle::Crosshair => "crosshair",
557 CursorStyle::ClosedHand => "grabbing",
558 CursorStyle::OpenHand => "grab",
559 CursorStyle::PointingHand => "pointer",
560 CursorStyle::ResizeLeft => "w-resize",
561 CursorStyle::ResizeRight => "e-resize",
562 CursorStyle::ResizeLeftRight => "ew-resize",
563 CursorStyle::ResizeUp => "n-resize",
564 CursorStyle::ResizeDown => "s-resize",
565 CursorStyle::ResizeUpDown => "ns-resize",
566 CursorStyle::ResizeColumn => "col-resize",
567 CursorStyle::ResizeRow => "row-resize",
568 CursorStyle::IBeamCursorForVerticalLayout => "vertical-text",
569 CursorStyle::OperationNotAllowed => "not-allowed",
570 CursorStyle::DragLink => "alias",
571 CursorStyle::DragCopy => "copy",
572 CursorStyle::ContextualMenu => "context-menu",
573 }
574 .to_string()
575 }
576}
577
578impl Keystroke {
579 pub(super) fn from_xkb(state: &State, modifiers: Modifiers, keycode: Keycode) -> Self {
580 let mut modifiers = modifiers;
581
582 let key_utf32 = state.key_get_utf32(keycode);
583 let key_utf8 = state.key_get_utf8(keycode);
584 let key_sym = state.key_get_one_sym(keycode);
585
586 // The logic here tries to replicate the logic in `../mac/events.rs`
587 // "Consumed" modifiers are modifiers that have been used to translate a key, for example
588 // pressing "shift" and "1" on US layout produces the key `!` but "consumes" the shift.
589 // Notes:
590 // - macOS gets the key character directly ("."), xkb gives us the key name ("period")
591 // - macOS logic removes consumed shift modifier for symbols: "{", not "shift-{"
592 // - macOS logic keeps consumed shift modifiers for letters: "shift-a", not "a" or "A"
593
594 let mut handle_consumed_modifiers = true;
595 let key = match key_sym {
596 Keysym::Return => "enter".to_owned(),
597 Keysym::Prior => "pageup".to_owned(),
598 Keysym::Next => "pagedown".to_owned(),
599
600 Keysym::comma => ",".to_owned(),
601 Keysym::period => ".".to_owned(),
602 Keysym::less => "<".to_owned(),
603 Keysym::greater => ">".to_owned(),
604 Keysym::slash => "/".to_owned(),
605 Keysym::question => "?".to_owned(),
606
607 Keysym::semicolon => ";".to_owned(),
608 Keysym::colon => ":".to_owned(),
609 Keysym::apostrophe => "'".to_owned(),
610 Keysym::quotedbl => "\"".to_owned(),
611
612 Keysym::bracketleft => "[".to_owned(),
613 Keysym::braceleft => "{".to_owned(),
614 Keysym::bracketright => "]".to_owned(),
615 Keysym::braceright => "}".to_owned(),
616 Keysym::backslash => "\\".to_owned(),
617 Keysym::bar => "|".to_owned(),
618
619 Keysym::grave => "`".to_owned(),
620 Keysym::asciitilde => "~".to_owned(),
621 Keysym::exclam => "!".to_owned(),
622 Keysym::at => "@".to_owned(),
623 Keysym::numbersign => "#".to_owned(),
624 Keysym::dollar => "$".to_owned(),
625 Keysym::percent => "%".to_owned(),
626 Keysym::asciicircum => "^".to_owned(),
627 Keysym::ampersand => "&".to_owned(),
628 Keysym::asterisk => "*".to_owned(),
629 Keysym::parenleft => "(".to_owned(),
630 Keysym::parenright => ")".to_owned(),
631 Keysym::minus => "-".to_owned(),
632 Keysym::underscore => "_".to_owned(),
633 Keysym::equal => "=".to_owned(),
634 Keysym::plus => "+".to_owned(),
635
636 Keysym::ISO_Left_Tab => {
637 handle_consumed_modifiers = false;
638 "tab".to_owned()
639 }
640
641 _ => {
642 handle_consumed_modifiers = false;
643 xkb::keysym_get_name(key_sym).to_lowercase()
644 }
645 };
646
647 // Ignore control characters (and DEL) for the purposes of ime_key
648 let ime_key =
649 (key_utf32 >= 32 && key_utf32 != 127 && !key_utf8.is_empty()).then_some(key_utf8);
650
651 if handle_consumed_modifiers {
652 let mod_shift_index = state.get_keymap().mod_get_index(xkb::MOD_NAME_SHIFT);
653 let is_shift_consumed = state.mod_index_is_consumed(keycode, mod_shift_index);
654
655 if modifiers.shift && is_shift_consumed {
656 modifiers.shift = false;
657 }
658 }
659
660 Keystroke {
661 modifiers,
662 key,
663 ime_key,
664 }
665 }
666
667 /**
668 * Returns which symbol the dead key represents
669 * https://developer.mozilla.org/en-US/docs/Web/API/UI_Events/Keyboard_event_key_values#dead_keycodes_for_linux
670 */
671 pub fn underlying_dead_key(keysym: Keysym) -> Option<String> {
672 match keysym {
673 Keysym::dead_grave => Some("`".to_owned()),
674 Keysym::dead_acute => Some("´".to_owned()),
675 Keysym::dead_circumflex => Some("^".to_owned()),
676 Keysym::dead_tilde => Some("~".to_owned()),
677 Keysym::dead_perispomeni => Some("͂".to_owned()),
678 Keysym::dead_macron => Some("¯".to_owned()),
679 Keysym::dead_breve => Some("˘".to_owned()),
680 Keysym::dead_abovedot => Some("˙".to_owned()),
681 Keysym::dead_diaeresis => Some("¨".to_owned()),
682 Keysym::dead_abovering => Some("˚".to_owned()),
683 Keysym::dead_doubleacute => Some("˝".to_owned()),
684 Keysym::dead_caron => Some("ˇ".to_owned()),
685 Keysym::dead_cedilla => Some("¸".to_owned()),
686 Keysym::dead_ogonek => Some("˛".to_owned()),
687 Keysym::dead_iota => Some("ͅ".to_owned()),
688 Keysym::dead_voiced_sound => Some("゙".to_owned()),
689 Keysym::dead_semivoiced_sound => Some("゚".to_owned()),
690 Keysym::dead_belowdot => Some("̣̣".to_owned()),
691 Keysym::dead_hook => Some("̡".to_owned()),
692 Keysym::dead_horn => Some("̛".to_owned()),
693 Keysym::dead_stroke => Some("̶̶".to_owned()),
694 Keysym::dead_abovecomma => Some("̓̓".to_owned()),
695 Keysym::dead_psili => Some("᾿".to_owned()),
696 Keysym::dead_abovereversedcomma => Some("ʽ".to_owned()),
697 Keysym::dead_dasia => Some("῾".to_owned()),
698 Keysym::dead_doublegrave => Some("̏".to_owned()),
699 Keysym::dead_belowring => Some("˳".to_owned()),
700 Keysym::dead_belowmacron => Some("̱".to_owned()),
701 Keysym::dead_belowcircumflex => Some("ꞈ".to_owned()),
702 Keysym::dead_belowtilde => Some("̰".to_owned()),
703 Keysym::dead_belowbreve => Some("̮".to_owned()),
704 Keysym::dead_belowdiaeresis => Some("̤".to_owned()),
705 Keysym::dead_invertedbreve => Some("̯".to_owned()),
706 Keysym::dead_belowcomma => Some("̦".to_owned()),
707 Keysym::dead_currency => None,
708 Keysym::dead_lowline => None,
709 Keysym::dead_aboveverticalline => None,
710 Keysym::dead_belowverticalline => None,
711 Keysym::dead_longsolidusoverlay => None,
712 Keysym::dead_a => None,
713 Keysym::dead_A => None,
714 Keysym::dead_e => None,
715 Keysym::dead_E => None,
716 Keysym::dead_i => None,
717 Keysym::dead_I => None,
718 Keysym::dead_o => None,
719 Keysym::dead_O => None,
720 Keysym::dead_u => None,
721 Keysym::dead_U => None,
722 Keysym::dead_small_schwa => Some("ə".to_owned()),
723 Keysym::dead_capital_schwa => Some("Ə".to_owned()),
724 Keysym::dead_greek => None,
725 _ => None,
726 }
727 }
728}
729
730impl Modifiers {
731 pub(super) fn from_xkb(keymap_state: &State) -> Self {
732 let shift = keymap_state.mod_name_is_active(xkb::MOD_NAME_SHIFT, xkb::STATE_MODS_EFFECTIVE);
733 let alt = keymap_state.mod_name_is_active(xkb::MOD_NAME_ALT, xkb::STATE_MODS_EFFECTIVE);
734 let control =
735 keymap_state.mod_name_is_active(xkb::MOD_NAME_CTRL, xkb::STATE_MODS_EFFECTIVE);
736 let platform =
737 keymap_state.mod_name_is_active(xkb::MOD_NAME_LOGO, xkb::STATE_MODS_EFFECTIVE);
738 Modifiers {
739 shift,
740 alt,
741 control,
742 platform,
743 function: false,
744 }
745 }
746}
747
748#[cfg(test)]
749mod tests {
750 use super::*;
751 use crate::{px, Point};
752
753 #[test]
754 fn test_is_within_click_distance() {
755 let zero = Point::new(px(0.0), px(0.0));
756 assert_eq!(
757 is_within_click_distance(zero, Point::new(px(5.0), px(5.0))),
758 true
759 );
760 assert_eq!(
761 is_within_click_distance(zero, Point::new(px(-4.9), px(5.0))),
762 true
763 );
764 assert_eq!(
765 is_within_click_distance(Point::new(px(3.0), px(2.0)), Point::new(px(-2.0), px(-2.0))),
766 true
767 );
768 assert_eq!(
769 is_within_click_distance(zero, Point::new(px(5.0), px(5.1))),
770 false
771 );
772 }
773}