1use super::BoolExt;
2use crate::{
3 AnyWindowHandle, ClipboardItem, CursorStyle, DisplayId, Executor, InputEvent, MacDispatcher,
4 MacDisplay, MacDisplayLinker, MacTextSystem, MacWindow, PathPromptOptions, Platform,
5 PlatformDisplay, PlatformTextSystem, PlatformWindow, Result, SemanticVersion, VideoTimestamp,
6 WindowOptions,
7};
8use anyhow::anyhow;
9use block::ConcreteBlock;
10use cocoa::{
11 appkit::{
12 NSApplication, NSApplicationActivationPolicy::NSApplicationActivationPolicyRegular,
13 NSModalResponse, NSOpenPanel, NSPasteboard, NSPasteboardTypeString, NSSavePanel, NSWindow,
14 },
15 base::{id, nil, BOOL, YES},
16 foundation::{
17 NSArray, NSAutoreleasePool, NSBundle, NSData, NSInteger, NSProcessInfo, NSString,
18 NSUInteger, NSURL,
19 },
20};
21use core_foundation::{
22 base::{CFType, CFTypeRef, OSStatus, TCFType as _},
23 boolean::CFBoolean,
24 data::CFData,
25 dictionary::{CFDictionary, CFDictionaryRef, CFMutableDictionary},
26 string::{CFString, CFStringRef},
27};
28use ctor::ctor;
29use futures::channel::oneshot;
30use objc::{
31 class,
32 declare::ClassDecl,
33 msg_send,
34 runtime::{Class, Object, Sel},
35 sel, sel_impl,
36};
37use parking_lot::Mutex;
38use ptr::null_mut;
39use std::{
40 cell::Cell,
41 convert::TryInto,
42 ffi::{c_void, CStr, OsStr},
43 os::{raw::c_char, unix::ffi::OsStrExt},
44 path::{Path, PathBuf},
45 process::Command,
46 ptr,
47 rc::Rc,
48 slice, str,
49 sync::Arc,
50};
51use time::UtcOffset;
52
53#[allow(non_upper_case_globals)]
54const NSUTF8StringEncoding: NSUInteger = 4;
55
56#[allow(non_upper_case_globals)]
57pub const NSViewLayerContentsRedrawDuringViewResize: NSInteger = 2;
58
59const MAC_PLATFORM_IVAR: &str = "platform";
60static mut APP_CLASS: *const Class = ptr::null();
61static mut APP_DELEGATE_CLASS: *const Class = ptr::null();
62
63#[ctor]
64unsafe fn build_classes() {
65 APP_CLASS = {
66 let mut decl = ClassDecl::new("GPUIApplication", class!(NSApplication)).unwrap();
67 decl.add_ivar::<*mut c_void>(MAC_PLATFORM_IVAR);
68 decl.add_method(
69 sel!(sendEvent:),
70 send_event as extern "C" fn(&mut Object, Sel, id),
71 );
72 decl.register()
73 };
74
75 APP_DELEGATE_CLASS = {
76 let mut decl = ClassDecl::new("GPUIApplicationDelegate", class!(NSResponder)).unwrap();
77 decl.add_ivar::<*mut c_void>(MAC_PLATFORM_IVAR);
78 decl.add_method(
79 sel!(applicationDidFinishLaunching:),
80 did_finish_launching as extern "C" fn(&mut Object, Sel, id),
81 );
82 decl.add_method(
83 sel!(applicationShouldHandleReopen:hasVisibleWindows:),
84 should_handle_reopen as extern "C" fn(&mut Object, Sel, id, bool),
85 );
86 decl.add_method(
87 sel!(applicationDidBecomeActive:),
88 did_become_active as extern "C" fn(&mut Object, Sel, id),
89 );
90 decl.add_method(
91 sel!(applicationDidResignActive:),
92 did_resign_active as extern "C" fn(&mut Object, Sel, id),
93 );
94 decl.add_method(
95 sel!(applicationWillTerminate:),
96 will_terminate as extern "C" fn(&mut Object, Sel, id),
97 );
98 decl.add_method(
99 sel!(handleGPUIMenuItem:),
100 handle_menu_item as extern "C" fn(&mut Object, Sel, id),
101 );
102 // Add menu item handlers so that OS save panels have the correct key commands
103 decl.add_method(
104 sel!(cut:),
105 handle_menu_item as extern "C" fn(&mut Object, Sel, id),
106 );
107 decl.add_method(
108 sel!(copy:),
109 handle_menu_item as extern "C" fn(&mut Object, Sel, id),
110 );
111 decl.add_method(
112 sel!(paste:),
113 handle_menu_item as extern "C" fn(&mut Object, Sel, id),
114 );
115 decl.add_method(
116 sel!(selectAll:),
117 handle_menu_item as extern "C" fn(&mut Object, Sel, id),
118 );
119 decl.add_method(
120 sel!(undo:),
121 handle_menu_item as extern "C" fn(&mut Object, Sel, id),
122 );
123 decl.add_method(
124 sel!(redo:),
125 handle_menu_item as extern "C" fn(&mut Object, Sel, id),
126 );
127 decl.add_method(
128 sel!(validateMenuItem:),
129 validate_menu_item as extern "C" fn(&mut Object, Sel, id) -> bool,
130 );
131 decl.add_method(
132 sel!(menuWillOpen:),
133 menu_will_open as extern "C" fn(&mut Object, Sel, id),
134 );
135 decl.add_method(
136 sel!(application:openURLs:),
137 open_urls as extern "C" fn(&mut Object, Sel, id, id),
138 );
139 decl.register()
140 }
141}
142
143pub struct MacPlatform(Mutex<MacPlatformState>);
144
145pub struct MacPlatformState {
146 executor: Executor,
147 text_system: Arc<MacTextSystem>,
148 display_linker: MacDisplayLinker,
149 pasteboard: id,
150 text_hash_pasteboard_type: id,
151 metadata_pasteboard_type: id,
152 become_active: Option<Box<dyn FnMut()>>,
153 resign_active: Option<Box<dyn FnMut()>>,
154 reopen: Option<Box<dyn FnMut()>>,
155 quit: Option<Box<dyn FnMut()>>,
156 event: Option<Box<dyn FnMut(InputEvent) -> bool>>,
157 // menu_command: Option<Box<dyn FnMut(&dyn Action)>>,
158 // validate_menu_command: Option<Box<dyn FnMut(&dyn Action) -> bool>>,
159 will_open_menu: Option<Box<dyn FnMut()>>,
160 open_urls: Option<Box<dyn FnMut(Vec<String>)>>,
161 finish_launching: Option<Box<dyn FnOnce()>>,
162 // menu_actions: Vec<Box<dyn Action>>,
163}
164
165impl MacPlatform {
166 pub fn new() -> Self {
167 Self(Mutex::new(MacPlatformState {
168 executor: Executor::new(Arc::new(MacDispatcher)),
169 text_system: Arc::new(MacTextSystem::new()),
170 display_linker: MacDisplayLinker::new(),
171 pasteboard: unsafe { NSPasteboard::generalPasteboard(nil) },
172 text_hash_pasteboard_type: unsafe { ns_string("zed-text-hash") },
173 metadata_pasteboard_type: unsafe { ns_string("zed-metadata") },
174 become_active: None,
175 resign_active: None,
176 reopen: None,
177 quit: None,
178 event: None,
179 will_open_menu: None,
180 open_urls: None,
181 finish_launching: None,
182 // menu_command: None,
183 // validate_menu_command: None,
184 // menu_actions: Default::default(),
185 }))
186 }
187
188 unsafe fn read_from_pasteboard(&self, kind: id) -> Option<&[u8]> {
189 let pasteboard = self.0.lock().pasteboard;
190 let data = pasteboard.dataForType(kind);
191 if data == nil {
192 None
193 } else {
194 Some(slice::from_raw_parts(
195 data.bytes() as *mut u8,
196 data.length() as usize,
197 ))
198 }
199 }
200
201 // unsafe fn create_menu_bar(
202 // &self,
203 // menus: Vec<Menu>,
204 // delegate: id,
205 // actions: &mut Vec<Box<dyn Action>>,
206 // keystroke_matcher: &KeymapMatcher,
207 // ) -> id {
208 // let application_menu = NSMenu::new(nil).autorelease();
209 // application_menu.setDelegate_(delegate);
210
211 // for menu_config in menus {
212 // let menu = NSMenu::new(nil).autorelease();
213 // menu.setTitle_(ns_string(menu_config.name));
214 // menu.setDelegate_(delegate);
215
216 // for item_config in menu_config.items {
217 // menu.addItem_(self.create_menu_item(
218 // item_config,
219 // delegate,
220 // actions,
221 // keystroke_matcher,
222 // ));
223 // }
224
225 // let menu_item = NSMenuItem::new(nil).autorelease();
226 // menu_item.setSubmenu_(menu);
227 // application_menu.addItem_(menu_item);
228
229 // if menu_config.name == "Window" {
230 // let app: id = msg_send![APP_CLASS, sharedApplication];
231 // app.setWindowsMenu_(menu);
232 // }
233 // }
234
235 // application_menu
236 // }
237
238 // unsafe fn create_menu_item(
239 // &self,
240 // item: MenuItem,
241 // delegate: id,
242 // actions: &mut Vec<Box<dyn Action>>,
243 // keystroke_matcher: &KeymapMatcher,
244 // ) -> id {
245 // match item {
246 // MenuItem::Separator => NSMenuItem::separatorItem(nil),
247 // MenuItem::Action {
248 // name,
249 // action,
250 // os_action,
251 // } => {
252 // // TODO
253 // let keystrokes = keystroke_matcher
254 // .bindings_for_action(action.id())
255 // .find(|binding| binding.action().eq(action.as_ref()))
256 // .map(|binding| binding.keystrokes());
257 // let selector = match os_action {
258 // Some(crate::OsAction::Cut) => selector("cut:"),
259 // Some(crate::OsAction::Copy) => selector("copy:"),
260 // Some(crate::OsAction::Paste) => selector("paste:"),
261 // Some(crate::OsAction::SelectAll) => selector("selectAll:"),
262 // Some(crate::OsAction::Undo) => selector("undo:"),
263 // Some(crate::OsAction::Redo) => selector("redo:"),
264 // None => selector("handleGPUIMenuItem:"),
265 // };
266
267 // let item;
268 // if let Some(keystrokes) = keystrokes {
269 // if keystrokes.len() == 1 {
270 // let keystroke = &keystrokes[0];
271 // let mut mask = NSEventModifierFlags::empty();
272 // for (modifier, flag) in &[
273 // (keystroke.cmd, NSEventModifierFlags::NSCommandKeyMask),
274 // (keystroke.ctrl, NSEventModifierFlags::NSControlKeyMask),
275 // (keystroke.alt, NSEventModifierFlags::NSAlternateKeyMask),
276 // (keystroke.shift, NSEventModifierFlags::NSShiftKeyMask),
277 // ] {
278 // if *modifier {
279 // mask |= *flag;
280 // }
281 // }
282
283 // item = NSMenuItem::alloc(nil)
284 // .initWithTitle_action_keyEquivalent_(
285 // ns_string(name),
286 // selector,
287 // ns_string(key_to_native(&keystroke.key).as_ref()),
288 // )
289 // .autorelease();
290 // item.setKeyEquivalentModifierMask_(mask);
291 // }
292 // // For multi-keystroke bindings, render the keystroke as part of the title.
293 // else {
294 // use std::fmt::Write;
295
296 // let mut name = format!("{name} [");
297 // for (i, keystroke) in keystrokes.iter().enumerate() {
298 // if i > 0 {
299 // name.push(' ');
300 // }
301 // write!(&mut name, "{}", keystroke).unwrap();
302 // }
303 // name.push(']');
304
305 // item = NSMenuItem::alloc(nil)
306 // .initWithTitle_action_keyEquivalent_(
307 // ns_string(&name),
308 // selector,
309 // ns_string(""),
310 // )
311 // .autorelease();
312 // }
313 // } else {
314 // item = NSMenuItem::alloc(nil)
315 // .initWithTitle_action_keyEquivalent_(
316 // ns_string(name),
317 // selector,
318 // ns_string(""),
319 // )
320 // .autorelease();
321 // }
322
323 // let tag = actions.len() as NSInteger;
324 // let _: () = msg_send![item, setTag: tag];
325 // actions.push(action);
326 // item
327 // }
328 // MenuItem::Submenu(Menu { name, items }) => {
329 // let item = NSMenuItem::new(nil).autorelease();
330 // let submenu = NSMenu::new(nil).autorelease();
331 // submenu.setDelegate_(delegate);
332 // for item in items {
333 // submenu.addItem_(self.create_menu_item(
334 // item,
335 // delegate,
336 // actions,
337 // keystroke_matcher,
338 // ));
339 // }
340 // item.setSubmenu_(submenu);
341 // item.setTitle_(ns_string(name));
342 // item
343 // }
344 // }
345 // }
346}
347
348impl Platform for MacPlatform {
349 fn executor(&self) -> Executor {
350 self.0.lock().executor.clone()
351 }
352
353 fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
354 self.0.lock().text_system.clone()
355 }
356
357 fn run(&self, on_finish_launching: Box<dyn FnOnce()>) {
358 self.0.lock().finish_launching = Some(on_finish_launching);
359
360 unsafe {
361 let app: id = msg_send![APP_CLASS, sharedApplication];
362 let app_delegate: id = msg_send![APP_DELEGATE_CLASS, new];
363 app.setDelegate_(app_delegate);
364
365 let self_ptr = self as *const Self as *const c_void;
366 (*app).set_ivar(MAC_PLATFORM_IVAR, self_ptr);
367 (*app_delegate).set_ivar(MAC_PLATFORM_IVAR, self_ptr);
368
369 let pool = NSAutoreleasePool::new(nil);
370 app.run();
371 pool.drain();
372
373 (*app).set_ivar(MAC_PLATFORM_IVAR, null_mut::<c_void>());
374 (*app.delegate()).set_ivar(MAC_PLATFORM_IVAR, null_mut::<c_void>());
375 }
376 }
377
378 fn quit(&self) {
379 // Quitting the app causes us to close windows, which invokes `Window::on_close` callbacks
380 // synchronously before this method terminates. If we call `Platform::quit` while holding a
381 // borrow of the app state (which most of the time we will do), we will end up
382 // double-borrowing the app state in the `on_close` callbacks for our open windows. To solve
383 // this, we make quitting the application asynchronous so that we aren't holding borrows to
384 // the app state on the stack when we actually terminate the app.
385
386 use super::dispatcher::{dispatch_async_f, dispatch_get_main_queue};
387
388 unsafe {
389 dispatch_async_f(dispatch_get_main_queue(), ptr::null_mut(), Some(quit));
390 }
391
392 unsafe extern "C" fn quit(_: *mut c_void) {
393 let app = NSApplication::sharedApplication(nil);
394 let _: () = msg_send![app, terminate: nil];
395 }
396 }
397
398 fn restart(&self) {
399 use std::os::unix::process::CommandExt as _;
400
401 let app_pid = std::process::id().to_string();
402 let app_path = self
403 .app_path()
404 .ok()
405 // When the app is not bundled, `app_path` returns the
406 // directory containing the executable. Disregard this
407 // and get the path to the executable itself.
408 .and_then(|path| (path.extension()?.to_str()? == "app").then_some(path))
409 .unwrap_or_else(|| std::env::current_exe().unwrap());
410
411 // Wait until this process has exited and then re-open this path.
412 let script = r#"
413 while kill -0 $0 2> /dev/null; do
414 sleep 0.1
415 done
416 open "$1"
417 "#;
418
419 let restart_process = Command::new("/bin/bash")
420 .arg("-c")
421 .arg(script)
422 .arg(app_pid)
423 .arg(app_path)
424 .process_group(0)
425 .spawn();
426
427 match restart_process {
428 Ok(_) => self.quit(),
429 Err(e) => log::error!("failed to spawn restart script: {:?}", e),
430 }
431 }
432
433 fn activate(&self, ignoring_other_apps: bool) {
434 unsafe {
435 let app = NSApplication::sharedApplication(nil);
436 app.activateIgnoringOtherApps_(ignoring_other_apps.to_objc());
437 }
438 }
439
440 fn hide(&self) {
441 unsafe {
442 let app = NSApplication::sharedApplication(nil);
443 let _: () = msg_send![app, hide: nil];
444 }
445 }
446
447 fn hide_other_apps(&self) {
448 unsafe {
449 let app = NSApplication::sharedApplication(nil);
450 let _: () = msg_send![app, hideOtherApplications: nil];
451 }
452 }
453
454 fn unhide_other_apps(&self) {
455 unsafe {
456 let app = NSApplication::sharedApplication(nil);
457 let _: () = msg_send![app, unhideAllApplications: nil];
458 }
459 }
460
461 fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
462 MacDisplay::all()
463 .into_iter()
464 .map(|screen| Rc::new(screen) as Rc<_>)
465 .collect()
466 }
467
468 // fn add_status_item(&self, _handle: AnyWindowHandle) -> Box<dyn platform::Window> {
469 // Box::new(StatusItem::add(self.fonts()))
470 // }
471
472 fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
473 MacDisplay::find_by_id(id).map(|screen| Rc::new(screen) as Rc<_>)
474 }
475
476 fn main_window(&self) -> Option<AnyWindowHandle> {
477 MacWindow::main_window()
478 }
479
480 fn open_window(
481 &self,
482 handle: AnyWindowHandle,
483 options: WindowOptions,
484 ) -> Box<dyn PlatformWindow> {
485 Box::new(MacWindow::open(handle, options, self.executor()))
486 }
487
488 fn set_display_link_output_callback(
489 &self,
490 display_id: DisplayId,
491 callback: Box<dyn FnMut(&VideoTimestamp, &VideoTimestamp)>,
492 ) {
493 self.0
494 .lock()
495 .display_linker
496 .set_output_callback(display_id, callback);
497 }
498
499 fn start_display_link(&self, display_id: DisplayId) {
500 self.0.lock().display_linker.start(display_id);
501 }
502
503 fn stop_display_link(&self, display_id: DisplayId) {
504 self.0.lock().display_linker.stop(display_id);
505 }
506
507 fn open_url(&self, url: &str) {
508 unsafe {
509 let url = NSURL::alloc(nil)
510 .initWithString_(ns_string(url))
511 .autorelease();
512 let workspace: id = msg_send![class!(NSWorkspace), sharedWorkspace];
513 msg_send![workspace, openURL: url]
514 }
515 }
516
517 fn on_open_urls(&self, callback: Box<dyn FnMut(Vec<String>)>) {
518 self.0.lock().open_urls = Some(callback);
519 }
520
521 fn prompt_for_paths(
522 &self,
523 options: PathPromptOptions,
524 ) -> oneshot::Receiver<Option<Vec<PathBuf>>> {
525 unsafe {
526 let panel = NSOpenPanel::openPanel(nil);
527 panel.setCanChooseDirectories_(options.directories.to_objc());
528 panel.setCanChooseFiles_(options.files.to_objc());
529 panel.setAllowsMultipleSelection_(options.multiple.to_objc());
530 panel.setResolvesAliases_(false.to_objc());
531 let (done_tx, done_rx) = oneshot::channel();
532 let done_tx = Cell::new(Some(done_tx));
533 let block = ConcreteBlock::new(move |response: NSModalResponse| {
534 let result = if response == NSModalResponse::NSModalResponseOk {
535 let mut result = Vec::new();
536 let urls = panel.URLs();
537 for i in 0..urls.count() {
538 let url = urls.objectAtIndex(i);
539 if url.isFileURL() == YES {
540 if let Ok(path) = ns_url_to_path(url) {
541 result.push(path)
542 }
543 }
544 }
545 Some(result)
546 } else {
547 None
548 };
549
550 if let Some(done_tx) = done_tx.take() {
551 let _ = done_tx.send(result);
552 }
553 });
554 let block = block.copy();
555 let _: () = msg_send![panel, beginWithCompletionHandler: block];
556 done_rx
557 }
558 }
559
560 fn prompt_for_new_path(&self, directory: &Path) -> oneshot::Receiver<Option<PathBuf>> {
561 unsafe {
562 let panel = NSSavePanel::savePanel(nil);
563 let path = ns_string(directory.to_string_lossy().as_ref());
564 let url = NSURL::fileURLWithPath_isDirectory_(nil, path, true.to_objc());
565 panel.setDirectoryURL(url);
566
567 let (done_tx, done_rx) = oneshot::channel();
568 let done_tx = Cell::new(Some(done_tx));
569 let block = ConcreteBlock::new(move |response: NSModalResponse| {
570 let mut result = None;
571 if response == NSModalResponse::NSModalResponseOk {
572 let url = panel.URL();
573 if url.isFileURL() == YES {
574 result = ns_url_to_path(panel.URL()).ok()
575 }
576 }
577
578 if let Some(done_tx) = done_tx.take() {
579 let _ = done_tx.send(result);
580 }
581 });
582 let block = block.copy();
583 let _: () = msg_send![panel, beginWithCompletionHandler: block];
584 done_rx
585 }
586 }
587
588 fn reveal_path(&self, path: &Path) {
589 unsafe {
590 let path = path.to_path_buf();
591 self.0
592 .lock()
593 .executor
594 .spawn_on_main_local(async move {
595 let full_path = ns_string(path.to_str().unwrap_or(""));
596 let root_full_path = ns_string("");
597 let workspace: id = msg_send![class!(NSWorkspace), sharedWorkspace];
598 let _: BOOL = msg_send![
599 workspace,
600 selectFile: full_path
601 inFileViewerRootedAtPath: root_full_path
602 ];
603 })
604 .detach();
605 }
606 }
607
608 fn on_become_active(&self, callback: Box<dyn FnMut()>) {
609 self.0.lock().become_active = Some(callback);
610 }
611
612 fn on_resign_active(&self, callback: Box<dyn FnMut()>) {
613 self.0.lock().resign_active = Some(callback);
614 }
615
616 fn on_quit(&self, callback: Box<dyn FnMut()>) {
617 self.0.lock().quit = Some(callback);
618 }
619
620 fn on_reopen(&self, callback: Box<dyn FnMut()>) {
621 self.0.lock().reopen = Some(callback);
622 }
623
624 fn on_event(&self, callback: Box<dyn FnMut(InputEvent) -> bool>) {
625 self.0.lock().event = Some(callback);
626 }
627
628 fn os_name(&self) -> &'static str {
629 "macOS"
630 }
631
632 fn os_version(&self) -> Result<SemanticVersion> {
633 unsafe {
634 let process_info = NSProcessInfo::processInfo(nil);
635 let version = process_info.operatingSystemVersion();
636 Ok(SemanticVersion {
637 major: version.majorVersion as usize,
638 minor: version.minorVersion as usize,
639 patch: version.patchVersion as usize,
640 })
641 }
642 }
643
644 fn app_version(&self) -> Result<SemanticVersion> {
645 unsafe {
646 let bundle: id = NSBundle::mainBundle();
647 if bundle.is_null() {
648 Err(anyhow!("app is not running inside a bundle"))
649 } else {
650 let version: id = msg_send![bundle, objectForInfoDictionaryKey: ns_string("CFBundleShortVersionString")];
651 let len = msg_send![version, lengthOfBytesUsingEncoding: NSUTF8StringEncoding];
652 let bytes = version.UTF8String() as *const u8;
653 let version = str::from_utf8(slice::from_raw_parts(bytes, len)).unwrap();
654 version.parse()
655 }
656 }
657 }
658
659 fn app_path(&self) -> Result<PathBuf> {
660 unsafe {
661 let bundle: id = NSBundle::mainBundle();
662 if bundle.is_null() {
663 Err(anyhow!("app is not running inside a bundle"))
664 } else {
665 Ok(path_from_objc(msg_send![bundle, bundlePath]))
666 }
667 }
668 }
669
670 fn local_timezone(&self) -> UtcOffset {
671 unsafe {
672 let local_timezone: id = msg_send![class!(NSTimeZone), localTimeZone];
673 let seconds_from_gmt: NSInteger = msg_send![local_timezone, secondsFromGMT];
674 UtcOffset::from_whole_seconds(seconds_from_gmt.try_into().unwrap()).unwrap()
675 }
676 }
677
678 fn path_for_auxiliary_executable(&self, name: &str) -> Result<PathBuf> {
679 unsafe {
680 let bundle: id = NSBundle::mainBundle();
681 if bundle.is_null() {
682 Err(anyhow!("app is not running inside a bundle"))
683 } else {
684 let name = ns_string(name);
685 let url: id = msg_send![bundle, URLForAuxiliaryExecutable: name];
686 if url.is_null() {
687 Err(anyhow!("resource not found"))
688 } else {
689 ns_url_to_path(url)
690 }
691 }
692 }
693 }
694
695 // fn on_menu_command(&self, callback: Box<dyn FnMut(&dyn Action)>) {
696 // self.0.lock().menu_command = Some(callback);
697 // }
698
699 // fn on_will_open_menu(&self, callback: Box<dyn FnMut()>) {
700 // self.0.lock().will_open_menu = Some(callback);
701 // }
702
703 // fn on_validate_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {
704 // self.0.lock().validate_menu_command = Some(callback);
705 // }
706
707 // fn set_menus(&self, menus: Vec<Menu>, keystroke_matcher: &KeymapMatcher) {
708 // unsafe {
709 // let app: id = msg_send![APP_CLASS, sharedApplication];
710 // let mut state = self.0.lock();
711 // let actions = &mut state.menu_actions;
712 // app.setMainMenu_(self.create_menu_bar(
713 // menus,
714 // app.delegate(),
715 // actions,
716 // keystroke_matcher,
717 // ));
718 // }
719 // }
720
721 fn set_cursor_style(&self, style: CursorStyle) {
722 unsafe {
723 let new_cursor: id = match style {
724 CursorStyle::Arrow => msg_send![class!(NSCursor), arrowCursor],
725 CursorStyle::ResizeLeftRight => {
726 msg_send![class!(NSCursor), resizeLeftRightCursor]
727 }
728 CursorStyle::ResizeUpDown => msg_send![class!(NSCursor), resizeUpDownCursor],
729 CursorStyle::PointingHand => msg_send![class!(NSCursor), pointingHandCursor],
730 CursorStyle::IBeam => msg_send![class!(NSCursor), IBeamCursor],
731 };
732
733 let old_cursor: id = msg_send![class!(NSCursor), currentCursor];
734 if new_cursor != old_cursor {
735 let _: () = msg_send![new_cursor, set];
736 }
737 }
738 }
739
740 fn should_auto_hide_scrollbars(&self) -> bool {
741 #[allow(non_upper_case_globals)]
742 const NSScrollerStyleOverlay: NSInteger = 1;
743
744 unsafe {
745 let style: NSInteger = msg_send![class!(NSScroller), preferredScrollerStyle];
746 style == NSScrollerStyleOverlay
747 }
748 }
749
750 fn write_to_clipboard(&self, item: ClipboardItem) {
751 let state = self.0.lock();
752 unsafe {
753 state.pasteboard.clearContents();
754
755 let text_bytes = NSData::dataWithBytes_length_(
756 nil,
757 item.text.as_ptr() as *const c_void,
758 item.text.len() as u64,
759 );
760 state
761 .pasteboard
762 .setData_forType(text_bytes, NSPasteboardTypeString);
763
764 if let Some(metadata) = item.metadata.as_ref() {
765 let hash_bytes = ClipboardItem::text_hash(&item.text).to_be_bytes();
766 let hash_bytes = NSData::dataWithBytes_length_(
767 nil,
768 hash_bytes.as_ptr() as *const c_void,
769 hash_bytes.len() as u64,
770 );
771 state
772 .pasteboard
773 .setData_forType(hash_bytes, state.text_hash_pasteboard_type);
774
775 let metadata_bytes = NSData::dataWithBytes_length_(
776 nil,
777 metadata.as_ptr() as *const c_void,
778 metadata.len() as u64,
779 );
780 state
781 .pasteboard
782 .setData_forType(metadata_bytes, state.metadata_pasteboard_type);
783 }
784 }
785 }
786
787 fn read_from_clipboard(&self) -> Option<ClipboardItem> {
788 let state = self.0.lock();
789 unsafe {
790 if let Some(text_bytes) = self.read_from_pasteboard(NSPasteboardTypeString) {
791 let text = String::from_utf8_lossy(text_bytes).to_string();
792 let hash_bytes = self
793 .read_from_pasteboard(state.text_hash_pasteboard_type)
794 .and_then(|bytes| bytes.try_into().ok())
795 .map(u64::from_be_bytes);
796 let metadata_bytes = self
797 .read_from_pasteboard(state.metadata_pasteboard_type)
798 .and_then(|bytes| String::from_utf8(bytes.to_vec()).ok());
799
800 if let Some((hash, metadata)) = hash_bytes.zip(metadata_bytes) {
801 if hash == ClipboardItem::text_hash(&text) {
802 Some(ClipboardItem {
803 text,
804 metadata: Some(metadata),
805 })
806 } else {
807 Some(ClipboardItem {
808 text,
809 metadata: None,
810 })
811 }
812 } else {
813 Some(ClipboardItem {
814 text,
815 metadata: None,
816 })
817 }
818 } else {
819 None
820 }
821 }
822 }
823
824 fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Result<()> {
825 let url = CFString::from(url);
826 let username = CFString::from(username);
827 let password = CFData::from_buffer(password);
828
829 unsafe {
830 use security::*;
831
832 // First, check if there are already credentials for the given server. If so, then
833 // update the username and password.
834 let mut verb = "updating";
835 let mut query_attrs = CFMutableDictionary::with_capacity(2);
836 query_attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
837 query_attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
838
839 let mut attrs = CFMutableDictionary::with_capacity(4);
840 attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
841 attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
842 attrs.set(kSecAttrAccount as *const _, username.as_CFTypeRef());
843 attrs.set(kSecValueData as *const _, password.as_CFTypeRef());
844
845 let mut status = SecItemUpdate(
846 query_attrs.as_concrete_TypeRef(),
847 attrs.as_concrete_TypeRef(),
848 );
849
850 // If there were no existing credentials for the given server, then create them.
851 if status == errSecItemNotFound {
852 verb = "creating";
853 status = SecItemAdd(attrs.as_concrete_TypeRef(), ptr::null_mut());
854 }
855
856 if status != errSecSuccess {
857 return Err(anyhow!("{} password failed: {}", verb, status));
858 }
859 }
860 Ok(())
861 }
862
863 fn read_credentials(&self, url: &str) -> Result<Option<(String, Vec<u8>)>> {
864 let url = CFString::from(url);
865 let cf_true = CFBoolean::true_value().as_CFTypeRef();
866
867 unsafe {
868 use security::*;
869
870 // Find any credentials for the given server URL.
871 let mut attrs = CFMutableDictionary::with_capacity(5);
872 attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
873 attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
874 attrs.set(kSecReturnAttributes as *const _, cf_true);
875 attrs.set(kSecReturnData as *const _, cf_true);
876
877 let mut result = CFTypeRef::from(ptr::null());
878 let status = SecItemCopyMatching(attrs.as_concrete_TypeRef(), &mut result);
879 match status {
880 security::errSecSuccess => {}
881 security::errSecItemNotFound | security::errSecUserCanceled => return Ok(None),
882 _ => return Err(anyhow!("reading password failed: {}", status)),
883 }
884
885 let result = CFType::wrap_under_create_rule(result)
886 .downcast::<CFDictionary>()
887 .ok_or_else(|| anyhow!("keychain item was not a dictionary"))?;
888 let username = result
889 .find(kSecAttrAccount as *const _)
890 .ok_or_else(|| anyhow!("account was missing from keychain item"))?;
891 let username = CFType::wrap_under_get_rule(*username)
892 .downcast::<CFString>()
893 .ok_or_else(|| anyhow!("account was not a string"))?;
894 let password = result
895 .find(kSecValueData as *const _)
896 .ok_or_else(|| anyhow!("password was missing from keychain item"))?;
897 let password = CFType::wrap_under_get_rule(*password)
898 .downcast::<CFData>()
899 .ok_or_else(|| anyhow!("password was not a string"))?;
900
901 Ok(Some((username.to_string(), password.bytes().to_vec())))
902 }
903 }
904
905 fn delete_credentials(&self, url: &str) -> Result<()> {
906 let url = CFString::from(url);
907
908 unsafe {
909 use security::*;
910
911 let mut query_attrs = CFMutableDictionary::with_capacity(2);
912 query_attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
913 query_attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
914
915 let status = SecItemDelete(query_attrs.as_concrete_TypeRef());
916
917 if status != errSecSuccess {
918 return Err(anyhow!("delete password failed: {}", status));
919 }
920 }
921 Ok(())
922 }
923}
924
925unsafe fn path_from_objc(path: id) -> PathBuf {
926 let len = msg_send![path, lengthOfBytesUsingEncoding: NSUTF8StringEncoding];
927 let bytes = path.UTF8String() as *const u8;
928 let path = str::from_utf8(slice::from_raw_parts(bytes, len)).unwrap();
929 PathBuf::from(path)
930}
931
932unsafe fn get_foreground_platform(object: &mut Object) -> &MacPlatform {
933 let platform_ptr: *mut c_void = *object.get_ivar(MAC_PLATFORM_IVAR);
934 assert!(!platform_ptr.is_null());
935 &*(platform_ptr as *const MacPlatform)
936}
937
938extern "C" fn send_event(this: &mut Object, _sel: Sel, native_event: id) {
939 unsafe {
940 if let Some(event) = InputEvent::from_native(native_event, None) {
941 let platform = get_foreground_platform(this);
942 if let Some(callback) = platform.0.lock().event.as_mut() {
943 if !callback(event) {
944 return;
945 }
946 }
947 }
948 msg_send![super(this, class!(NSApplication)), sendEvent: native_event]
949 }
950}
951
952extern "C" fn did_finish_launching(this: &mut Object, _: Sel, _: id) {
953 unsafe {
954 let app: id = msg_send![APP_CLASS, sharedApplication];
955 app.setActivationPolicy_(NSApplicationActivationPolicyRegular);
956
957 let platform = get_foreground_platform(this);
958 let callback = platform.0.lock().finish_launching.take();
959 if let Some(callback) = callback {
960 callback();
961 }
962 }
963}
964
965extern "C" fn should_handle_reopen(this: &mut Object, _: Sel, _: id, has_open_windows: bool) {
966 if !has_open_windows {
967 let platform = unsafe { get_foreground_platform(this) };
968 if let Some(callback) = platform.0.lock().reopen.as_mut() {
969 callback();
970 }
971 }
972}
973
974extern "C" fn did_become_active(this: &mut Object, _: Sel, _: id) {
975 let platform = unsafe { get_foreground_platform(this) };
976 if let Some(callback) = platform.0.lock().become_active.as_mut() {
977 callback();
978 }
979}
980
981extern "C" fn did_resign_active(this: &mut Object, _: Sel, _: id) {
982 let platform = unsafe { get_foreground_platform(this) };
983 if let Some(callback) = platform.0.lock().resign_active.as_mut() {
984 callback();
985 }
986}
987
988extern "C" fn will_terminate(this: &mut Object, _: Sel, _: id) {
989 let platform = unsafe { get_foreground_platform(this) };
990 if let Some(callback) = platform.0.lock().quit.as_mut() {
991 callback();
992 }
993}
994
995extern "C" fn open_urls(this: &mut Object, _: Sel, _: id, urls: id) {
996 let urls = unsafe {
997 (0..urls.count())
998 .into_iter()
999 .filter_map(|i| {
1000 let url = urls.objectAtIndex(i);
1001 match CStr::from_ptr(url.absoluteString().UTF8String() as *mut c_char).to_str() {
1002 Ok(string) => Some(string.to_string()),
1003 Err(err) => {
1004 log::error!("error converting path to string: {}", err);
1005 None
1006 }
1007 }
1008 })
1009 .collect::<Vec<_>>()
1010 };
1011 let platform = unsafe { get_foreground_platform(this) };
1012 if let Some(callback) = platform.0.lock().open_urls.as_mut() {
1013 callback(urls);
1014 }
1015}
1016
1017extern "C" fn handle_menu_item(__this: &mut Object, _: Sel, __item: id) {
1018 todo!()
1019 // unsafe {
1020 // let platform = get_foreground_platform(this);
1021 // let mut platform = platform.0.lock();
1022 // if let Some(mut callback) = platform.menu_command.take() {
1023 // let tag: NSInteger = msg_send![item, tag];
1024 // let index = tag as usize;
1025 // if let Some(action) = platform.menu_actions.get(index) {
1026 // callback(action.as_ref());
1027 // }
1028 // platform.menu_command = Some(callback);
1029 // }
1030 // }
1031}
1032
1033extern "C" fn validate_menu_item(__this: &mut Object, _: Sel, __item: id) -> bool {
1034 todo!()
1035 // unsafe {
1036 // let mut result = false;
1037 // let platform = get_foreground_platform(this);
1038 // let mut platform = platform.0.lock();
1039 // if let Some(mut callback) = platform.validate_menu_command.take() {
1040 // let tag: NSInteger = msg_send![item, tag];
1041 // let index = tag as usize;
1042 // if let Some(action) = platform.menu_actions.get(index) {
1043 // result = callback(action.as_ref());
1044 // }
1045 // platform.validate_menu_command = Some(callback);
1046 // }
1047 // result
1048 // }
1049}
1050
1051extern "C" fn menu_will_open(this: &mut Object, _: Sel, _: id) {
1052 unsafe {
1053 let platform = get_foreground_platform(this);
1054 let mut platform = platform.0.lock();
1055 if let Some(mut callback) = platform.will_open_menu.take() {
1056 callback();
1057 platform.will_open_menu = Some(callback);
1058 }
1059 }
1060}
1061
1062unsafe fn ns_string(string: &str) -> id {
1063 NSString::alloc(nil).init_str(string).autorelease()
1064}
1065
1066unsafe fn ns_url_to_path(url: id) -> Result<PathBuf> {
1067 let path: *mut c_char = msg_send![url, fileSystemRepresentation];
1068 if path.is_null() {
1069 Err(anyhow!(
1070 "url is not a file path: {}",
1071 CStr::from_ptr(url.absoluteString().UTF8String()).to_string_lossy()
1072 ))
1073 } else {
1074 Ok(PathBuf::from(OsStr::from_bytes(
1075 CStr::from_ptr(path).to_bytes(),
1076 )))
1077 }
1078}
1079
1080mod security {
1081 #![allow(non_upper_case_globals)]
1082 use super::*;
1083
1084 #[link(name = "Security", kind = "framework")]
1085 extern "C" {
1086 pub static kSecClass: CFStringRef;
1087 pub static kSecClassInternetPassword: CFStringRef;
1088 pub static kSecAttrServer: CFStringRef;
1089 pub static kSecAttrAccount: CFStringRef;
1090 pub static kSecValueData: CFStringRef;
1091 pub static kSecReturnAttributes: CFStringRef;
1092 pub static kSecReturnData: CFStringRef;
1093
1094 pub fn SecItemAdd(attributes: CFDictionaryRef, result: *mut CFTypeRef) -> OSStatus;
1095 pub fn SecItemUpdate(query: CFDictionaryRef, attributes: CFDictionaryRef) -> OSStatus;
1096 pub fn SecItemDelete(query: CFDictionaryRef) -> OSStatus;
1097 pub fn SecItemCopyMatching(query: CFDictionaryRef, result: *mut CFTypeRef) -> OSStatus;
1098 }
1099
1100 pub const errSecSuccess: OSStatus = 0;
1101 pub const errSecUserCanceled: OSStatus = -128;
1102 pub const errSecItemNotFound: OSStatus = -25300;
1103}
1104
1105#[cfg(test)]
1106mod tests {
1107 use crate::ClipboardItem;
1108
1109 use super::*;
1110
1111 #[test]
1112 fn test_clipboard() {
1113 let platform = build_platform();
1114 assert_eq!(platform.read_from_clipboard(), None);
1115
1116 let item = ClipboardItem::new("1".to_string());
1117 platform.write_to_clipboard(item.clone());
1118 assert_eq!(platform.read_from_clipboard(), Some(item));
1119
1120 let item = ClipboardItem::new("2".to_string()).with_metadata(vec![3, 4]);
1121 platform.write_to_clipboard(item.clone());
1122 assert_eq!(platform.read_from_clipboard(), Some(item));
1123
1124 let text_from_other_app = "text from other app";
1125 unsafe {
1126 let bytes = NSData::dataWithBytes_length_(
1127 nil,
1128 text_from_other_app.as_ptr() as *const c_void,
1129 text_from_other_app.len() as u64,
1130 );
1131 platform
1132 .0
1133 .lock()
1134 .pasteboard
1135 .setData_forType(bytes, NSPasteboardTypeString);
1136 }
1137 assert_eq!(
1138 platform.read_from_clipboard(),
1139 Some(ClipboardItem::new(text_from_other_app.to_string()))
1140 );
1141 }
1142
1143 fn build_platform() -> MacPlatform {
1144 let platform = MacPlatform::new();
1145 platform.0.lock().pasteboard = unsafe { NSPasteboard::pasteboardWithUniqueName(nil) };
1146 platform
1147 }
1148}