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