1#![allow(unused)]
2
3use std::env;
4use std::{
5 path::{Path, PathBuf},
6 rc::Rc,
7 sync::Arc,
8 time::Duration,
9};
10
11use async_task::Runnable;
12use flume::{Receiver, Sender};
13use futures::channel::oneshot;
14use parking_lot::Mutex;
15use time::UtcOffset;
16use wayland_client::Connection;
17
18use crate::platform::linux::client::Client;
19use crate::platform::linux::client_dispatcher::ClientDispatcher;
20use crate::platform::linux::wayland::{WaylandClient, WaylandClientDispatcher};
21use crate::platform::{X11Client, X11ClientDispatcher, XcbAtoms};
22use crate::{
23 Action, AnyWindowHandle, BackgroundExecutor, ClipboardItem, CursorStyle, DisplayId,
24 ForegroundExecutor, Keymap, LinuxDispatcher, LinuxTextSystem, Menu, PathPromptOptions,
25 Platform, PlatformDisplay, PlatformInput, PlatformTextSystem, PlatformWindow, Result,
26 SemanticVersion, Task, WindowOptions,
27};
28
29#[derive(Default)]
30pub(crate) struct Callbacks {
31 open_urls: Option<Box<dyn FnMut(Vec<String>)>>,
32 become_active: Option<Box<dyn FnMut()>>,
33 resign_active: Option<Box<dyn FnMut()>>,
34 pub(crate) quit: Option<Box<dyn FnMut()>>,
35 reopen: Option<Box<dyn FnMut()>>,
36 event: Option<Box<dyn FnMut(PlatformInput) -> bool>>,
37 app_menu_action: Option<Box<dyn FnMut(&dyn Action)>>,
38 will_open_app_menu: Option<Box<dyn FnMut()>>,
39 validate_app_menu_command: Option<Box<dyn FnMut(&dyn Action) -> bool>>,
40}
41
42pub(crate) struct LinuxPlatformInner {
43 pub(crate) background_executor: BackgroundExecutor,
44 pub(crate) foreground_executor: ForegroundExecutor,
45 pub(crate) main_receiver: flume::Receiver<Runnable>,
46 pub(crate) text_system: Arc<LinuxTextSystem>,
47 pub(crate) callbacks: Mutex<Callbacks>,
48 pub(crate) state: Mutex<LinuxPlatformState>,
49}
50
51pub(crate) struct LinuxPlatform {
52 client: Arc<dyn Client>,
53 inner: Arc<LinuxPlatformInner>,
54}
55
56pub(crate) struct LinuxPlatformState {
57 pub(crate) quit_requested: bool,
58}
59
60impl Default for LinuxPlatform {
61 fn default() -> Self {
62 Self::new()
63 }
64}
65
66impl LinuxPlatform {
67 pub(crate) fn new() -> Self {
68 let wayland_display = env::var_os("WAYLAND_DISPLAY");
69 let use_wayland = wayland_display.is_some() && !wayland_display.unwrap().is_empty();
70
71 let (main_sender, main_receiver) = flume::unbounded::<Runnable>();
72 let text_system = Arc::new(LinuxTextSystem::new());
73 let callbacks = Mutex::new(Callbacks::default());
74 let state = Mutex::new(LinuxPlatformState {
75 quit_requested: false,
76 });
77
78 if use_wayland {
79 Self::new_wayland(main_sender, main_receiver, text_system, callbacks, state)
80 } else {
81 Self::new_x11(main_sender, main_receiver, text_system, callbacks, state)
82 }
83 }
84
85 fn new_wayland(
86 main_sender: Sender<Runnable>,
87 main_receiver: Receiver<Runnable>,
88 text_system: Arc<LinuxTextSystem>,
89 callbacks: Mutex<Callbacks>,
90 state: Mutex<LinuxPlatformState>,
91 ) -> Self {
92 let conn = Arc::new(Connection::connect_to_env().unwrap());
93 let client_dispatcher: Arc<dyn ClientDispatcher + Send + Sync> =
94 Arc::new(WaylandClientDispatcher::new(&conn));
95 let dispatcher = Arc::new(LinuxDispatcher::new(main_sender, &client_dispatcher));
96 let inner = Arc::new(LinuxPlatformInner {
97 background_executor: BackgroundExecutor::new(dispatcher.clone()),
98 foreground_executor: ForegroundExecutor::new(dispatcher.clone()),
99 main_receiver,
100 text_system,
101 callbacks,
102 state,
103 });
104 let client = Arc::new(WaylandClient::new(Arc::clone(&inner), Arc::clone(&conn)));
105 Self {
106 client,
107 inner: Arc::clone(&inner),
108 }
109 }
110
111 fn new_x11(
112 main_sender: Sender<Runnable>,
113 main_receiver: Receiver<Runnable>,
114 text_system: Arc<LinuxTextSystem>,
115 callbacks: Mutex<Callbacks>,
116 state: Mutex<LinuxPlatformState>,
117 ) -> Self {
118 let (xcb_connection, x_root_index) =
119 xcb::Connection::connect_with_extensions(None, &[xcb::Extension::Present], &[])
120 .unwrap();
121 let atoms = XcbAtoms::intern_all(&xcb_connection).unwrap();
122 let xcb_connection = Arc::new(xcb_connection);
123 let client_dispatcher: Arc<dyn ClientDispatcher + Send + Sync> =
124 Arc::new(X11ClientDispatcher::new(&xcb_connection, x_root_index));
125 let dispatcher = Arc::new(LinuxDispatcher::new(main_sender, &client_dispatcher));
126 let inner = Arc::new(LinuxPlatformInner {
127 background_executor: BackgroundExecutor::new(dispatcher.clone()),
128 foreground_executor: ForegroundExecutor::new(dispatcher.clone()),
129 main_receiver,
130 text_system,
131 callbacks,
132 state,
133 });
134 let client = Arc::new(X11Client::new(
135 Arc::clone(&inner),
136 xcb_connection,
137 x_root_index,
138 atoms,
139 ));
140 Self {
141 client,
142 inner: Arc::clone(&inner),
143 }
144 }
145}
146
147impl Platform for LinuxPlatform {
148 fn background_executor(&self) -> BackgroundExecutor {
149 self.inner.background_executor.clone()
150 }
151
152 fn foreground_executor(&self) -> ForegroundExecutor {
153 self.inner.foreground_executor.clone()
154 }
155
156 fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
157 self.inner.text_system.clone()
158 }
159
160 fn run(&self, on_finish_launching: Box<dyn FnOnce()>) {
161 self.client.run(on_finish_launching)
162 }
163
164 fn quit(&self) {
165 self.inner.state.lock().quit_requested = true;
166 }
167
168 //todo!(linux)
169 fn restart(&self) {}
170
171 //todo!(linux)
172 fn activate(&self, ignoring_other_apps: bool) {}
173
174 //todo!(linux)
175 fn hide(&self) {}
176
177 //todo!(linux)
178 fn hide_other_apps(&self) {}
179
180 //todo!(linux)
181 fn unhide_other_apps(&self) {}
182
183 fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
184 self.client.displays()
185 }
186
187 fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
188 self.client.display(id)
189 }
190
191 //todo!(linux)
192 fn active_window(&self) -> Option<AnyWindowHandle> {
193 None
194 }
195
196 fn open_window(
197 &self,
198 handle: AnyWindowHandle,
199 options: WindowOptions,
200 ) -> Box<dyn PlatformWindow> {
201 self.client.open_window(handle, options)
202 }
203
204 fn open_url(&self, url: &str) {
205 unimplemented!()
206 }
207
208 fn on_open_urls(&self, callback: Box<dyn FnMut(Vec<String>)>) {
209 self.inner.callbacks.lock().open_urls = Some(callback);
210 }
211
212 fn prompt_for_paths(
213 &self,
214 options: PathPromptOptions,
215 ) -> oneshot::Receiver<Option<Vec<PathBuf>>> {
216 unimplemented!()
217 }
218
219 fn prompt_for_new_path(&self, directory: &Path) -> oneshot::Receiver<Option<PathBuf>> {
220 unimplemented!()
221 }
222
223 fn reveal_path(&self, path: &Path) {
224 unimplemented!()
225 }
226
227 fn on_become_active(&self, callback: Box<dyn FnMut()>) {
228 self.inner.callbacks.lock().become_active = Some(callback);
229 }
230
231 fn on_resign_active(&self, callback: Box<dyn FnMut()>) {
232 self.inner.callbacks.lock().resign_active = Some(callback);
233 }
234
235 fn on_quit(&self, callback: Box<dyn FnMut()>) {
236 self.inner.callbacks.lock().quit = Some(callback);
237 }
238
239 fn on_reopen(&self, callback: Box<dyn FnMut()>) {
240 self.inner.callbacks.lock().reopen = Some(callback);
241 }
242
243 fn on_event(&self, callback: Box<dyn FnMut(PlatformInput) -> bool>) {
244 self.inner.callbacks.lock().event = Some(callback);
245 }
246
247 fn on_app_menu_action(&self, callback: Box<dyn FnMut(&dyn Action)>) {
248 self.inner.callbacks.lock().app_menu_action = Some(callback);
249 }
250
251 fn on_will_open_app_menu(&self, callback: Box<dyn FnMut()>) {
252 self.inner.callbacks.lock().will_open_app_menu = Some(callback);
253 }
254
255 fn on_validate_app_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {
256 self.inner.callbacks.lock().validate_app_menu_command = Some(callback);
257 }
258
259 fn os_name(&self) -> &'static str {
260 "Linux"
261 }
262
263 fn double_click_interval(&self) -> Duration {
264 Duration::default()
265 }
266
267 fn os_version(&self) -> Result<SemanticVersion> {
268 Ok(SemanticVersion {
269 major: 1,
270 minor: 0,
271 patch: 0,
272 })
273 }
274
275 fn app_version(&self) -> Result<SemanticVersion> {
276 Ok(SemanticVersion {
277 major: 1,
278 minor: 0,
279 patch: 0,
280 })
281 }
282
283 fn app_path(&self) -> Result<PathBuf> {
284 unimplemented!()
285 }
286
287 //todo!(linux)
288 fn set_menus(&self, menus: Vec<Menu>, keymap: &Keymap) {}
289
290 fn local_timezone(&self) -> UtcOffset {
291 UtcOffset::UTC
292 }
293
294 fn path_for_auxiliary_executable(&self, name: &str) -> Result<PathBuf> {
295 unimplemented!()
296 }
297
298 //todo!(linux)
299 fn set_cursor_style(&self, style: CursorStyle) {}
300
301 //todo!(linux)
302 fn should_auto_hide_scrollbars(&self) -> bool {
303 false
304 }
305
306 //todo!(linux)
307 fn write_to_clipboard(&self, item: ClipboardItem) {}
308
309 //todo!(linux)
310 fn read_from_clipboard(&self) -> Option<ClipboardItem> {
311 None
312 }
313
314 fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Task<Result<()>> {
315 unimplemented!()
316 }
317
318 fn read_credentials(&self, url: &str) -> Task<Result<Option<(String, Vec<u8>)>>> {
319 unimplemented!()
320 }
321
322 fn delete_credentials(&self, url: &str) -> Task<Result<()>> {
323 unimplemented!()
324 }
325
326 fn window_appearance(&self) -> crate::WindowAppearance {
327 crate::WindowAppearance::Light
328 }
329}
330
331#[cfg(test)]
332mod tests {
333 use super::*;
334
335 fn build_platform() -> LinuxPlatform {
336 let platform = LinuxPlatform::new();
337 platform
338 }
339}