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, pasteboard: *mut Object, kind: id) -> Option<&[u8]> {
189 let data = pasteboard.dataForType(kind);
190 if data == nil {
191 None
192 } else {
193 Some(slice::from_raw_parts(
194 data.bytes() as *mut u8,
195 data.length() as usize,
196 ))
197 }
198 }
199
200 // unsafe fn create_menu_bar(
201 // &self,
202 // menus: Vec<Menu>,
203 // delegate: id,
204 // actions: &mut Vec<Box<dyn Action>>,
205 // keystroke_matcher: &KeymapMatcher,
206 // ) -> id {
207 // let application_menu = NSMenu::new(nil).autorelease();
208 // application_menu.setDelegate_(delegate);
209
210 // for menu_config in menus {
211 // let menu = NSMenu::new(nil).autorelease();
212 // menu.setTitle_(ns_string(menu_config.name));
213 // menu.setDelegate_(delegate);
214
215 // for item_config in menu_config.items {
216 // menu.addItem_(self.create_menu_item(
217 // item_config,
218 // delegate,
219 // actions,
220 // keystroke_matcher,
221 // ));
222 // }
223
224 // let menu_item = NSMenuItem::new(nil).autorelease();
225 // menu_item.setSubmenu_(menu);
226 // application_menu.addItem_(menu_item);
227
228 // if menu_config.name == "Window" {
229 // let app: id = msg_send![APP_CLASS, sharedApplication];
230 // app.setWindowsMenu_(menu);
231 // }
232 // }
233
234 // application_menu
235 // }
236
237 // unsafe fn create_menu_item(
238 // &self,
239 // item: MenuItem,
240 // delegate: id,
241 // actions: &mut Vec<Box<dyn Action>>,
242 // keystroke_matcher: &KeymapMatcher,
243 // ) -> id {
244 // match item {
245 // MenuItem::Separator => NSMenuItem::separatorItem(nil),
246 // MenuItem::Action {
247 // name,
248 // action,
249 // os_action,
250 // } => {
251 // // TODO
252 // let keystrokes = keystroke_matcher
253 // .bindings_for_action(action.id())
254 // .find(|binding| binding.action().eq(action.as_ref()))
255 // .map(|binding| binding.keystrokes());
256 // let selector = match os_action {
257 // Some(crate::OsAction::Cut) => selector("cut:"),
258 // Some(crate::OsAction::Copy) => selector("copy:"),
259 // Some(crate::OsAction::Paste) => selector("paste:"),
260 // Some(crate::OsAction::SelectAll) => selector("selectAll:"),
261 // Some(crate::OsAction::Undo) => selector("undo:"),
262 // Some(crate::OsAction::Redo) => selector("redo:"),
263 // None => selector("handleGPUIMenuItem:"),
264 // };
265
266 // let item;
267 // if let Some(keystrokes) = keystrokes {
268 // if keystrokes.len() == 1 {
269 // let keystroke = &keystrokes[0];
270 // let mut mask = NSEventModifierFlags::empty();
271 // for (modifier, flag) in &[
272 // (keystroke.cmd, NSEventModifierFlags::NSCommandKeyMask),
273 // (keystroke.ctrl, NSEventModifierFlags::NSControlKeyMask),
274 // (keystroke.alt, NSEventModifierFlags::NSAlternateKeyMask),
275 // (keystroke.shift, NSEventModifierFlags::NSShiftKeyMask),
276 // ] {
277 // if *modifier {
278 // mask |= *flag;
279 // }
280 // }
281
282 // item = NSMenuItem::alloc(nil)
283 // .initWithTitle_action_keyEquivalent_(
284 // ns_string(name),
285 // selector,
286 // ns_string(key_to_native(&keystroke.key).as_ref()),
287 // )
288 // .autorelease();
289 // item.setKeyEquivalentModifierMask_(mask);
290 // }
291 // // For multi-keystroke bindings, render the keystroke as part of the title.
292 // else {
293 // use std::fmt::Write;
294
295 // let mut name = format!("{name} [");
296 // for (i, keystroke) in keystrokes.iter().enumerate() {
297 // if i > 0 {
298 // name.push(' ');
299 // }
300 // write!(&mut name, "{}", keystroke).unwrap();
301 // }
302 // name.push(']');
303
304 // item = NSMenuItem::alloc(nil)
305 // .initWithTitle_action_keyEquivalent_(
306 // ns_string(&name),
307 // selector,
308 // ns_string(""),
309 // )
310 // .autorelease();
311 // }
312 // } else {
313 // item = NSMenuItem::alloc(nil)
314 // .initWithTitle_action_keyEquivalent_(
315 // ns_string(name),
316 // selector,
317 // ns_string(""),
318 // )
319 // .autorelease();
320 // }
321
322 // let tag = actions.len() as NSInteger;
323 // let _: () = msg_send![item, setTag: tag];
324 // actions.push(action);
325 // item
326 // }
327 // MenuItem::Submenu(Menu { name, items }) => {
328 // let item = NSMenuItem::new(nil).autorelease();
329 // let submenu = NSMenu::new(nil).autorelease();
330 // submenu.setDelegate_(delegate);
331 // for item in items {
332 // submenu.addItem_(self.create_menu_item(
333 // item,
334 // delegate,
335 // actions,
336 // keystroke_matcher,
337 // ));
338 // }
339 // item.setSubmenu_(submenu);
340 // item.setTitle_(ns_string(name));
341 // item
342 // }
343 // }
344 // }
345}
346
347impl Platform for MacPlatform {
348 fn executor(&self) -> Executor {
349 self.0.lock().executor.clone()
350 }
351
352 fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
353 self.0.lock().text_system.clone()
354 }
355
356 fn run(&self, on_finish_launching: Box<dyn FnOnce()>) {
357 self.0.lock().finish_launching = Some(on_finish_launching);
358
359 unsafe {
360 let app: id = msg_send![APP_CLASS, sharedApplication];
361 let app_delegate: id = msg_send![APP_DELEGATE_CLASS, new];
362 app.setDelegate_(app_delegate);
363
364 let self_ptr = self as *const Self as *const c_void;
365 (*app).set_ivar(MAC_PLATFORM_IVAR, self_ptr);
366 (*app_delegate).set_ivar(MAC_PLATFORM_IVAR, self_ptr);
367
368 let pool = NSAutoreleasePool::new(nil);
369 app.run();
370 pool.drain();
371
372 (*app).set_ivar(MAC_PLATFORM_IVAR, null_mut::<c_void>());
373 (*app.delegate()).set_ivar(MAC_PLATFORM_IVAR, null_mut::<c_void>());
374 }
375 }
376
377 fn quit(&self) {
378 // Quitting the app causes us to close windows, which invokes `Window::on_close` callbacks
379 // synchronously before this method terminates. If we call `Platform::quit` while holding a
380 // borrow of the app state (which most of the time we will do), we will end up
381 // double-borrowing the app state in the `on_close` callbacks for our open windows. To solve
382 // this, we make quitting the application asynchronous so that we aren't holding borrows to
383 // the app state on the stack when we actually terminate the app.
384
385 use super::dispatcher::{dispatch_async_f, dispatch_get_main_queue};
386
387 unsafe {
388 dispatch_async_f(dispatch_get_main_queue(), ptr::null_mut(), Some(quit));
389 }
390
391 unsafe extern "C" fn quit(_: *mut c_void) {
392 let app = NSApplication::sharedApplication(nil);
393 let _: () = msg_send![app, terminate: nil];
394 }
395 }
396
397 fn restart(&self) {
398 use std::os::unix::process::CommandExt as _;
399
400 let app_pid = std::process::id().to_string();
401 let app_path = self
402 .app_path()
403 .ok()
404 // When the app is not bundled, `app_path` returns the
405 // directory containing the executable. Disregard this
406 // and get the path to the executable itself.
407 .and_then(|path| (path.extension()?.to_str()? == "app").then_some(path))
408 .unwrap_or_else(|| std::env::current_exe().unwrap());
409
410 // Wait until this process has exited and then re-open this path.
411 let script = r#"
412 while kill -0 $0 2> /dev/null; do
413 sleep 0.1
414 done
415 open "$1"
416 "#;
417
418 let restart_process = Command::new("/bin/bash")
419 .arg("-c")
420 .arg(script)
421 .arg(app_pid)
422 .arg(app_path)
423 .process_group(0)
424 .spawn();
425
426 match restart_process {
427 Ok(_) => self.quit(),
428 Err(e) => log::error!("failed to spawn restart script: {:?}", e),
429 }
430 }
431
432 fn activate(&self, ignoring_other_apps: bool) {
433 unsafe {
434 let app = NSApplication::sharedApplication(nil);
435 app.activateIgnoringOtherApps_(ignoring_other_apps.to_objc());
436 }
437 }
438
439 fn hide(&self) {
440 unsafe {
441 let app = NSApplication::sharedApplication(nil);
442 let _: () = msg_send![app, hide: nil];
443 }
444 }
445
446 fn hide_other_apps(&self) {
447 unsafe {
448 let app = NSApplication::sharedApplication(nil);
449 let _: () = msg_send![app, hideOtherApplications: nil];
450 }
451 }
452
453 fn unhide_other_apps(&self) {
454 unsafe {
455 let app = NSApplication::sharedApplication(nil);
456 let _: () = msg_send![app, unhideAllApplications: nil];
457 }
458 }
459
460 fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
461 MacDisplay::all()
462 .into_iter()
463 .map(|screen| Rc::new(screen) as Rc<_>)
464 .collect()
465 }
466
467 // fn add_status_item(&self, _handle: AnyWindowHandle) -> Box<dyn platform::Window> {
468 // Box::new(StatusItem::add(self.fonts()))
469 // }
470
471 fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
472 MacDisplay::find_by_id(id).map(|screen| Rc::new(screen) as Rc<_>)
473 }
474
475 fn main_window(&self) -> Option<AnyWindowHandle> {
476 MacWindow::main_window()
477 }
478
479 fn open_window(
480 &self,
481 handle: AnyWindowHandle,
482 options: WindowOptions,
483 ) -> Box<dyn PlatformWindow> {
484 Box::new(MacWindow::open(handle, options, self.executor()))
485 }
486
487 fn set_display_link_output_callback(
488 &self,
489 display_id: DisplayId,
490 callback: Box<dyn FnMut(&VideoTimestamp, &VideoTimestamp)>,
491 ) {
492 self.0
493 .lock()
494 .display_linker
495 .set_output_callback(display_id, callback);
496 }
497
498 fn start_display_link(&self, display_id: DisplayId) {
499 self.0.lock().display_linker.start(display_id);
500 }
501
502 fn stop_display_link(&self, display_id: DisplayId) {
503 self.0.lock().display_linker.stop(display_id);
504 }
505
506 fn open_url(&self, url: &str) {
507 unsafe {
508 let url = NSURL::alloc(nil)
509 .initWithString_(ns_string(url))
510 .autorelease();
511 let workspace: id = msg_send![class!(NSWorkspace), sharedWorkspace];
512 msg_send![workspace, openURL: url]
513 }
514 }
515
516 fn on_open_urls(&self, callback: Box<dyn FnMut(Vec<String>)>) {
517 self.0.lock().open_urls = Some(callback);
518 }
519
520 fn prompt_for_paths(
521 &self,
522 options: PathPromptOptions,
523 ) -> oneshot::Receiver<Option<Vec<PathBuf>>> {
524 unsafe {
525 let panel = NSOpenPanel::openPanel(nil);
526 panel.setCanChooseDirectories_(options.directories.to_objc());
527 panel.setCanChooseFiles_(options.files.to_objc());
528 panel.setAllowsMultipleSelection_(options.multiple.to_objc());
529 panel.setResolvesAliases_(false.to_objc());
530 let (done_tx, done_rx) = oneshot::channel();
531 let done_tx = Cell::new(Some(done_tx));
532 let block = ConcreteBlock::new(move |response: NSModalResponse| {
533 let result = if response == NSModalResponse::NSModalResponseOk {
534 let mut result = Vec::new();
535 let urls = panel.URLs();
536 for i in 0..urls.count() {
537 let url = urls.objectAtIndex(i);
538 if url.isFileURL() == YES {
539 if let Ok(path) = ns_url_to_path(url) {
540 result.push(path)
541 }
542 }
543 }
544 Some(result)
545 } else {
546 None
547 };
548
549 if let Some(done_tx) = done_tx.take() {
550 let _ = done_tx.send(result);
551 }
552 });
553 let block = block.copy();
554 let _: () = msg_send![panel, beginWithCompletionHandler: block];
555 done_rx
556 }
557 }
558
559 fn prompt_for_new_path(&self, directory: &Path) -> oneshot::Receiver<Option<PathBuf>> {
560 unsafe {
561 let panel = NSSavePanel::savePanel(nil);
562 let path = ns_string(directory.to_string_lossy().as_ref());
563 let url = NSURL::fileURLWithPath_isDirectory_(nil, path, true.to_objc());
564 panel.setDirectoryURL(url);
565
566 let (done_tx, done_rx) = oneshot::channel();
567 let done_tx = Cell::new(Some(done_tx));
568 let block = ConcreteBlock::new(move |response: NSModalResponse| {
569 let mut result = None;
570 if response == NSModalResponse::NSModalResponseOk {
571 let url = panel.URL();
572 if url.isFileURL() == YES {
573 result = ns_url_to_path(panel.URL()).ok()
574 }
575 }
576
577 if let Some(done_tx) = done_tx.take() {
578 let _ = done_tx.send(result);
579 }
580 });
581 let block = block.copy();
582 let _: () = msg_send![panel, beginWithCompletionHandler: block];
583 done_rx
584 }
585 }
586
587 fn reveal_path(&self, path: &Path) {
588 unsafe {
589 let path = path.to_path_buf();
590 self.0
591 .lock()
592 .executor
593 .spawn_on_main_local(async move {
594 let full_path = ns_string(path.to_str().unwrap_or(""));
595 let root_full_path = ns_string("");
596 let workspace: id = msg_send![class!(NSWorkspace), sharedWorkspace];
597 let _: BOOL = msg_send![
598 workspace,
599 selectFile: full_path
600 inFileViewerRootedAtPath: root_full_path
601 ];
602 })
603 .detach();
604 }
605 }
606
607 fn on_become_active(&self, callback: Box<dyn FnMut()>) {
608 self.0.lock().become_active = Some(callback);
609 }
610
611 fn on_resign_active(&self, callback: Box<dyn FnMut()>) {
612 self.0.lock().resign_active = Some(callback);
613 }
614
615 fn on_quit(&self, callback: Box<dyn FnMut()>) {
616 self.0.lock().quit = Some(callback);
617 }
618
619 fn on_reopen(&self, callback: Box<dyn FnMut()>) {
620 self.0.lock().reopen = Some(callback);
621 }
622
623 fn on_event(&self, callback: Box<dyn FnMut(InputEvent) -> bool>) {
624 self.0.lock().event = Some(callback);
625 }
626
627 fn os_name(&self) -> &'static str {
628 "macOS"
629 }
630
631 fn os_version(&self) -> Result<SemanticVersion> {
632 unsafe {
633 let process_info = NSProcessInfo::processInfo(nil);
634 let version = process_info.operatingSystemVersion();
635 Ok(SemanticVersion {
636 major: version.majorVersion as usize,
637 minor: version.minorVersion as usize,
638 patch: version.patchVersion as usize,
639 })
640 }
641 }
642
643 fn app_version(&self) -> Result<SemanticVersion> {
644 unsafe {
645 let bundle: id = NSBundle::mainBundle();
646 if bundle.is_null() {
647 Err(anyhow!("app is not running inside a bundle"))
648 } else {
649 let version: id = msg_send![bundle, objectForInfoDictionaryKey: ns_string("CFBundleShortVersionString")];
650 let len = msg_send![version, lengthOfBytesUsingEncoding: NSUTF8StringEncoding];
651 let bytes = version.UTF8String() as *const u8;
652 let version = str::from_utf8(slice::from_raw_parts(bytes, len)).unwrap();
653 version.parse()
654 }
655 }
656 }
657
658 fn app_path(&self) -> Result<PathBuf> {
659 unsafe {
660 let bundle: id = NSBundle::mainBundle();
661 if bundle.is_null() {
662 Err(anyhow!("app is not running inside a bundle"))
663 } else {
664 Ok(path_from_objc(msg_send![bundle, bundlePath]))
665 }
666 }
667 }
668
669 fn local_timezone(&self) -> UtcOffset {
670 unsafe {
671 let local_timezone: id = msg_send![class!(NSTimeZone), localTimeZone];
672 let seconds_from_gmt: NSInteger = msg_send![local_timezone, secondsFromGMT];
673 UtcOffset::from_whole_seconds(seconds_from_gmt.try_into().unwrap()).unwrap()
674 }
675 }
676
677 fn path_for_auxiliary_executable(&self, name: &str) -> Result<PathBuf> {
678 unsafe {
679 let bundle: id = NSBundle::mainBundle();
680 if bundle.is_null() {
681 Err(anyhow!("app is not running inside a bundle"))
682 } else {
683 let name = ns_string(name);
684 let url: id = msg_send![bundle, URLForAuxiliaryExecutable: name];
685 if url.is_null() {
686 Err(anyhow!("resource not found"))
687 } else {
688 ns_url_to_path(url)
689 }
690 }
691 }
692 }
693
694 // fn on_menu_command(&self, callback: Box<dyn FnMut(&dyn Action)>) {
695 // self.0.lock().menu_command = Some(callback);
696 // }
697
698 // fn on_will_open_menu(&self, callback: Box<dyn FnMut()>) {
699 // self.0.lock().will_open_menu = Some(callback);
700 // }
701
702 // fn on_validate_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {
703 // self.0.lock().validate_menu_command = Some(callback);
704 // }
705
706 // fn set_menus(&self, menus: Vec<Menu>, keystroke_matcher: &KeymapMatcher) {
707 // unsafe {
708 // let app: id = msg_send![APP_CLASS, sharedApplication];
709 // let mut state = self.0.lock();
710 // let actions = &mut state.menu_actions;
711 // app.setMainMenu_(self.create_menu_bar(
712 // menus,
713 // app.delegate(),
714 // actions,
715 // keystroke_matcher,
716 // ));
717 // }
718 // }
719
720 fn set_cursor_style(&self, style: CursorStyle) {
721 unsafe {
722 let new_cursor: id = match style {
723 CursorStyle::Arrow => msg_send![class!(NSCursor), arrowCursor],
724 CursorStyle::ResizeLeftRight => {
725 msg_send![class!(NSCursor), resizeLeftRightCursor]
726 }
727 CursorStyle::ResizeUpDown => msg_send![class!(NSCursor), resizeUpDownCursor],
728 CursorStyle::PointingHand => msg_send![class!(NSCursor), pointingHandCursor],
729 CursorStyle::IBeam => msg_send![class!(NSCursor), IBeamCursor],
730 };
731
732 let old_cursor: id = msg_send![class!(NSCursor), currentCursor];
733 if new_cursor != old_cursor {
734 let _: () = msg_send![new_cursor, set];
735 }
736 }
737 }
738
739 fn should_auto_hide_scrollbars(&self) -> bool {
740 #[allow(non_upper_case_globals)]
741 const NSScrollerStyleOverlay: NSInteger = 1;
742
743 unsafe {
744 let style: NSInteger = msg_send![class!(NSScroller), preferredScrollerStyle];
745 style == NSScrollerStyleOverlay
746 }
747 }
748
749 fn write_to_clipboard(&self, item: ClipboardItem) {
750 let state = self.0.lock();
751 unsafe {
752 state.pasteboard.clearContents();
753
754 let text_bytes = NSData::dataWithBytes_length_(
755 nil,
756 item.text.as_ptr() as *const c_void,
757 item.text.len() as u64,
758 );
759 state
760 .pasteboard
761 .setData_forType(text_bytes, NSPasteboardTypeString);
762
763 if let Some(metadata) = item.metadata.as_ref() {
764 let hash_bytes = ClipboardItem::text_hash(&item.text).to_be_bytes();
765 let hash_bytes = NSData::dataWithBytes_length_(
766 nil,
767 hash_bytes.as_ptr() as *const c_void,
768 hash_bytes.len() as u64,
769 );
770 state
771 .pasteboard
772 .setData_forType(hash_bytes, state.text_hash_pasteboard_type);
773
774 let metadata_bytes = NSData::dataWithBytes_length_(
775 nil,
776 metadata.as_ptr() as *const c_void,
777 metadata.len() as u64,
778 );
779 state
780 .pasteboard
781 .setData_forType(metadata_bytes, state.metadata_pasteboard_type);
782 }
783 }
784 }
785
786 fn read_from_clipboard(&self) -> Option<ClipboardItem> {
787 let state = self.0.lock();
788 unsafe {
789 if let Some(text_bytes) =
790 self.read_from_pasteboard(state.pasteboard, NSPasteboardTypeString)
791 {
792 let text = String::from_utf8_lossy(text_bytes).to_string();
793 let hash_bytes = self
794 .read_from_pasteboard(state.pasteboard, state.text_hash_pasteboard_type)
795 .and_then(|bytes| bytes.try_into().ok())
796 .map(u64::from_be_bytes);
797 let metadata_bytes = self
798 .read_from_pasteboard(state.pasteboard, state.metadata_pasteboard_type)
799 .and_then(|bytes| String::from_utf8(bytes.to_vec()).ok());
800
801 if let Some((hash, metadata)) = hash_bytes.zip(metadata_bytes) {
802 if hash == ClipboardItem::text_hash(&text) {
803 Some(ClipboardItem {
804 text,
805 metadata: Some(metadata),
806 })
807 } else {
808 Some(ClipboardItem {
809 text,
810 metadata: None,
811 })
812 }
813 } else {
814 Some(ClipboardItem {
815 text,
816 metadata: None,
817 })
818 }
819 } else {
820 None
821 }
822 }
823 }
824
825 fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Result<()> {
826 let url = CFString::from(url);
827 let username = CFString::from(username);
828 let password = CFData::from_buffer(password);
829
830 unsafe {
831 use security::*;
832
833 // First, check if there are already credentials for the given server. If so, then
834 // update the username and password.
835 let mut verb = "updating";
836 let mut query_attrs = CFMutableDictionary::with_capacity(2);
837 query_attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
838 query_attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
839
840 let mut attrs = CFMutableDictionary::with_capacity(4);
841 attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
842 attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
843 attrs.set(kSecAttrAccount as *const _, username.as_CFTypeRef());
844 attrs.set(kSecValueData as *const _, password.as_CFTypeRef());
845
846 let mut status = SecItemUpdate(
847 query_attrs.as_concrete_TypeRef(),
848 attrs.as_concrete_TypeRef(),
849 );
850
851 // If there were no existing credentials for the given server, then create them.
852 if status == errSecItemNotFound {
853 verb = "creating";
854 status = SecItemAdd(attrs.as_concrete_TypeRef(), ptr::null_mut());
855 }
856
857 if status != errSecSuccess {
858 return Err(anyhow!("{} password failed: {}", verb, status));
859 }
860 }
861 Ok(())
862 }
863
864 fn read_credentials(&self, url: &str) -> Result<Option<(String, Vec<u8>)>> {
865 let url = CFString::from(url);
866 let cf_true = CFBoolean::true_value().as_CFTypeRef();
867
868 unsafe {
869 use security::*;
870
871 // Find any credentials for the given server URL.
872 let mut attrs = CFMutableDictionary::with_capacity(5);
873 attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
874 attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
875 attrs.set(kSecReturnAttributes as *const _, cf_true);
876 attrs.set(kSecReturnData as *const _, cf_true);
877
878 let mut result = CFTypeRef::from(ptr::null());
879 let status = SecItemCopyMatching(attrs.as_concrete_TypeRef(), &mut result);
880 match status {
881 security::errSecSuccess => {}
882 security::errSecItemNotFound | security::errSecUserCanceled => return Ok(None),
883 _ => return Err(anyhow!("reading password failed: {}", status)),
884 }
885
886 let result = CFType::wrap_under_create_rule(result)
887 .downcast::<CFDictionary>()
888 .ok_or_else(|| anyhow!("keychain item was not a dictionary"))?;
889 let username = result
890 .find(kSecAttrAccount as *const _)
891 .ok_or_else(|| anyhow!("account was missing from keychain item"))?;
892 let username = CFType::wrap_under_get_rule(*username)
893 .downcast::<CFString>()
894 .ok_or_else(|| anyhow!("account was not a string"))?;
895 let password = result
896 .find(kSecValueData as *const _)
897 .ok_or_else(|| anyhow!("password was missing from keychain item"))?;
898 let password = CFType::wrap_under_get_rule(*password)
899 .downcast::<CFData>()
900 .ok_or_else(|| anyhow!("password was not a string"))?;
901
902 Ok(Some((username.to_string(), password.bytes().to_vec())))
903 }
904 }
905
906 fn delete_credentials(&self, url: &str) -> Result<()> {
907 let url = CFString::from(url);
908
909 unsafe {
910 use security::*;
911
912 let mut query_attrs = CFMutableDictionary::with_capacity(2);
913 query_attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
914 query_attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
915
916 let status = SecItemDelete(query_attrs.as_concrete_TypeRef());
917
918 if status != errSecSuccess {
919 return Err(anyhow!("delete password failed: {}", status));
920 }
921 }
922 Ok(())
923 }
924}
925
926unsafe fn path_from_objc(path: id) -> PathBuf {
927 let len = msg_send![path, lengthOfBytesUsingEncoding: NSUTF8StringEncoding];
928 let bytes = path.UTF8String() as *const u8;
929 let path = str::from_utf8(slice::from_raw_parts(bytes, len)).unwrap();
930 PathBuf::from(path)
931}
932
933unsafe fn get_foreground_platform(object: &mut Object) -> &MacPlatform {
934 let platform_ptr: *mut c_void = *object.get_ivar(MAC_PLATFORM_IVAR);
935 assert!(!platform_ptr.is_null());
936 &*(platform_ptr as *const MacPlatform)
937}
938
939extern "C" fn send_event(this: &mut Object, _sel: Sel, native_event: id) {
940 unsafe {
941 if let Some(event) = InputEvent::from_native(native_event, None) {
942 let platform = get_foreground_platform(this);
943 if let Some(callback) = platform.0.lock().event.as_mut() {
944 if !callback(event) {
945 return;
946 }
947 }
948 }
949 msg_send![super(this, class!(NSApplication)), sendEvent: native_event]
950 }
951}
952
953extern "C" fn did_finish_launching(this: &mut Object, _: Sel, _: id) {
954 unsafe {
955 let app: id = msg_send![APP_CLASS, sharedApplication];
956 app.setActivationPolicy_(NSApplicationActivationPolicyRegular);
957
958 let platform = get_foreground_platform(this);
959 let callback = platform.0.lock().finish_launching.take();
960 if let Some(callback) = callback {
961 callback();
962 }
963 }
964}
965
966extern "C" fn should_handle_reopen(this: &mut Object, _: Sel, _: id, has_open_windows: bool) {
967 if !has_open_windows {
968 let platform = unsafe { get_foreground_platform(this) };
969 if let Some(callback) = platform.0.lock().reopen.as_mut() {
970 callback();
971 }
972 }
973}
974
975extern "C" fn did_become_active(this: &mut Object, _: Sel, _: id) {
976 let platform = unsafe { get_foreground_platform(this) };
977 if let Some(callback) = platform.0.lock().become_active.as_mut() {
978 callback();
979 }
980}
981
982extern "C" fn did_resign_active(this: &mut Object, _: Sel, _: id) {
983 let platform = unsafe { get_foreground_platform(this) };
984 if let Some(callback) = platform.0.lock().resign_active.as_mut() {
985 callback();
986 }
987}
988
989extern "C" fn will_terminate(this: &mut Object, _: Sel, _: id) {
990 let platform = unsafe { get_foreground_platform(this) };
991 if let Some(callback) = platform.0.lock().quit.as_mut() {
992 callback();
993 }
994}
995
996extern "C" fn open_urls(this: &mut Object, _: Sel, _: id, urls: id) {
997 let urls = unsafe {
998 (0..urls.count())
999 .into_iter()
1000 .filter_map(|i| {
1001 let url = urls.objectAtIndex(i);
1002 match CStr::from_ptr(url.absoluteString().UTF8String() as *mut c_char).to_str() {
1003 Ok(string) => Some(string.to_string()),
1004 Err(err) => {
1005 log::error!("error converting path to string: {}", err);
1006 None
1007 }
1008 }
1009 })
1010 .collect::<Vec<_>>()
1011 };
1012 let platform = unsafe { get_foreground_platform(this) };
1013 if let Some(callback) = platform.0.lock().open_urls.as_mut() {
1014 callback(urls);
1015 }
1016}
1017
1018extern "C" fn handle_menu_item(__this: &mut Object, _: Sel, __item: id) {
1019 todo!()
1020 // unsafe {
1021 // let platform = get_foreground_platform(this);
1022 // let mut platform = platform.0.lock();
1023 // if let Some(mut callback) = platform.menu_command.take() {
1024 // let tag: NSInteger = msg_send![item, tag];
1025 // let index = tag as usize;
1026 // if let Some(action) = platform.menu_actions.get(index) {
1027 // callback(action.as_ref());
1028 // }
1029 // platform.menu_command = Some(callback);
1030 // }
1031 // }
1032}
1033
1034extern "C" fn validate_menu_item(__this: &mut Object, _: Sel, __item: id) -> bool {
1035 todo!()
1036 // unsafe {
1037 // let mut result = false;
1038 // let platform = get_foreground_platform(this);
1039 // let mut platform = platform.0.lock();
1040 // if let Some(mut callback) = platform.validate_menu_command.take() {
1041 // let tag: NSInteger = msg_send![item, tag];
1042 // let index = tag as usize;
1043 // if let Some(action) = platform.menu_actions.get(index) {
1044 // result = callback(action.as_ref());
1045 // }
1046 // platform.validate_menu_command = Some(callback);
1047 // }
1048 // result
1049 // }
1050}
1051
1052extern "C" fn menu_will_open(this: &mut Object, _: Sel, _: id) {
1053 unsafe {
1054 let platform = get_foreground_platform(this);
1055 let mut platform = platform.0.lock();
1056 if let Some(mut callback) = platform.will_open_menu.take() {
1057 callback();
1058 platform.will_open_menu = Some(callback);
1059 }
1060 }
1061}
1062
1063unsafe fn ns_string(string: &str) -> id {
1064 NSString::alloc(nil).init_str(string).autorelease()
1065}
1066
1067unsafe fn ns_url_to_path(url: id) -> Result<PathBuf> {
1068 let path: *mut c_char = msg_send![url, fileSystemRepresentation];
1069 if path.is_null() {
1070 Err(anyhow!(
1071 "url is not a file path: {}",
1072 CStr::from_ptr(url.absoluteString().UTF8String()).to_string_lossy()
1073 ))
1074 } else {
1075 Ok(PathBuf::from(OsStr::from_bytes(
1076 CStr::from_ptr(path).to_bytes(),
1077 )))
1078 }
1079}
1080
1081mod security {
1082 #![allow(non_upper_case_globals)]
1083 use super::*;
1084
1085 #[link(name = "Security", kind = "framework")]
1086 extern "C" {
1087 pub static kSecClass: CFStringRef;
1088 pub static kSecClassInternetPassword: CFStringRef;
1089 pub static kSecAttrServer: CFStringRef;
1090 pub static kSecAttrAccount: CFStringRef;
1091 pub static kSecValueData: CFStringRef;
1092 pub static kSecReturnAttributes: CFStringRef;
1093 pub static kSecReturnData: CFStringRef;
1094
1095 pub fn SecItemAdd(attributes: CFDictionaryRef, result: *mut CFTypeRef) -> OSStatus;
1096 pub fn SecItemUpdate(query: CFDictionaryRef, attributes: CFDictionaryRef) -> OSStatus;
1097 pub fn SecItemDelete(query: CFDictionaryRef) -> OSStatus;
1098 pub fn SecItemCopyMatching(query: CFDictionaryRef, result: *mut CFTypeRef) -> OSStatus;
1099 }
1100
1101 pub const errSecSuccess: OSStatus = 0;
1102 pub const errSecUserCanceled: OSStatus = -128;
1103 pub const errSecItemNotFound: OSStatus = -25300;
1104}
1105
1106#[cfg(test)]
1107mod tests {
1108 use crate::ClipboardItem;
1109
1110 use super::*;
1111
1112 #[test]
1113 fn test_clipboard() {
1114 let platform = build_platform();
1115 assert_eq!(platform.read_from_clipboard(), None);
1116
1117 let item = ClipboardItem::new("1".to_string());
1118 platform.write_to_clipboard(item.clone());
1119 assert_eq!(platform.read_from_clipboard(), Some(item));
1120
1121 let item = ClipboardItem::new("2".to_string()).with_metadata(vec![3, 4]);
1122 platform.write_to_clipboard(item.clone());
1123 assert_eq!(platform.read_from_clipboard(), Some(item));
1124
1125 let text_from_other_app = "text from other app";
1126 unsafe {
1127 let bytes = NSData::dataWithBytes_length_(
1128 nil,
1129 text_from_other_app.as_ptr() as *const c_void,
1130 text_from_other_app.len() as u64,
1131 );
1132 platform
1133 .0
1134 .lock()
1135 .pasteboard
1136 .setData_forType(bytes, NSPasteboardTypeString);
1137 }
1138 assert_eq!(
1139 platform.read_from_clipboard(),
1140 Some(ClipboardItem::new(text_from_other_app.to_string()))
1141 );
1142 }
1143
1144 fn build_platform() -> MacPlatform {
1145 let platform = MacPlatform::new();
1146 platform.0.lock().pasteboard = unsafe { NSPasteboard::pasteboardWithUniqueName(nil) };
1147 platform
1148 }
1149}