summaryrefslogtreecommitdiff
path: root/platform/osx/os_osx.mm
blob: 39608bdea8c1320b859154c0ad2f03f254570782 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
/*************************************************************************/
/*  os_osx.mm                                                            */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#include "os_osx.h"

#include "core/version_generated.gen.h"

#include "dir_access_osx.h"
#include "display_server_osx.h"
#include "main/main.h"

#include <dlfcn.h>
#include <libproc.h>
#include <mach-o/dyld.h>
#include <os/log.h>

#define DS_OSX ((DisplayServerOSX *)(DisplayServerOSX::get_singleton()))

/*************************************************************************/
/* GodotApplication                                                      */
/*************************************************************************/

@interface GodotApplication : NSApplication
@end

@implementation GodotApplication

- (void)sendEvent:(NSEvent *)event {
	if (DS_OSX) {
		DS_OSX->_send_event(event);
	}

	// From http://cocoadev.com/index.pl?GameKeyboardHandlingAlmost
	// This works around an AppKit bug, where key up events while holding
	// down the command key don't get sent to the key window.
	if ([event type] == NSEventTypeKeyUp && ([event modifierFlags] & NSEventModifierFlagCommand)) {
		[[self keyWindow] sendEvent:event];
	} else {
		[super sendEvent:event];
	}
}

@end

/*************************************************************************/
/* GodotApplicationDelegate                                              */
/*************************************************************************/

@interface GodotApplicationDelegate : NSObject
- (void)forceUnbundledWindowActivationHackStep1;
- (void)forceUnbundledWindowActivationHackStep2;
- (void)forceUnbundledWindowActivationHackStep3;
@end

@implementation GodotApplicationDelegate

- (void)forceUnbundledWindowActivationHackStep1 {
	// Step1: Switch focus to macOS Dock.
	// Required to perform step 2, TransformProcessType will fail if app is already the in focus.
	for (NSRunningApplication *app in [NSRunningApplication runningApplicationsWithBundleIdentifier:@"com.apple.dock"]) {
		[app activateWithOptions:NSApplicationActivateIgnoringOtherApps];
		break;
	}
	[self performSelector:@selector(forceUnbundledWindowActivationHackStep2)
			   withObject:nil
			   afterDelay:0.02];
}

- (void)forceUnbundledWindowActivationHackStep2 {
	// Step 2: Register app as foreground process.
	ProcessSerialNumber psn = { 0, kCurrentProcess };
	(void)TransformProcessType(&psn, kProcessTransformToForegroundApplication);
	[self performSelector:@selector(forceUnbundledWindowActivationHackStep3) withObject:nil afterDelay:0.02];
}

- (void)forceUnbundledWindowActivationHackStep3 {
	// Step 3: Switch focus back to app window.
	[[NSRunningApplication currentApplication] activateWithOptions:NSApplicationActivateIgnoringOtherApps];
}

- (void)applicationDidFinishLaunching:(NSNotification *)notice {
	NSString *nsappname = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleName"];
	if (nsappname == nil) {
		// If executable is not a bundled, macOS WindowServer won't register and activate app window correctly (menu and title bar are grayed out and input ignored).
		[self performSelector:@selector(forceUnbundledWindowActivationHackStep1) withObject:nil afterDelay:0.02];
	}
}

- (void)applicationDidResignActive:(NSNotification *)notification {
	if (OS::get_singleton()->get_main_loop()) {
		OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_APPLICATION_FOCUS_OUT);
	}
}

- (void)applicationDidBecomeActive:(NSNotification *)notification {
	if (OS::get_singleton()->get_main_loop()) {
		OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_APPLICATION_FOCUS_IN);
	}
}

- (void)globalMenuCallback:(id)sender {
	if (DS_OSX) {
		return DS_OSX->_menu_callback(sender);
	}
}

- (NSMenu *)applicationDockMenu:(NSApplication *)sender {
	if (DS_OSX) {
		return DS_OSX->_get_dock_menu();
	} else {
		return nullptr;
	}
}

- (BOOL)application:(NSApplication *)sender openFile:(NSString *)filename {
	// Note: may be called called before main loop init!
	char *utfs = strdup([filename UTF8String]);
	((OS_OSX *)OS_OSX::get_singleton())->open_with_filename.parse_utf8(utfs);
	free(utfs);

#ifdef TOOLS_ENABLED
	// Open new instance
	if (OS_OSX::get_singleton()->get_main_loop()) {
		List<String> args;
		args.push_back(((OS_OSX *)OS_OSX::get_singleton())->open_with_filename);
		String exec = OS_OSX::get_singleton()->get_executable_path();
		OS_OSX::get_singleton()->create_process(exec, args);
	}
#endif
	return YES;
}

- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender {
	if (DS_OSX) {
		DS_OSX->_send_window_event(DS_OSX->windows[DisplayServerOSX::MAIN_WINDOW_ID], DisplayServerOSX::WINDOW_EVENT_CLOSE_REQUEST);
	}
	return NSTerminateCancel;
}

- (void)showAbout:(id)sender {
	if (OS_OSX::get_singleton()->get_main_loop()) {
		OS_OSX::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_WM_ABOUT);
	}
}

@end

/*************************************************************************/
/* OSXTerminalLogger                                                     */
/*************************************************************************/

class OSXTerminalLogger : public StdLogger {
public:
	virtual void log_error(const char *p_function, const char *p_file, int p_line, const char *p_code, const char *p_rationale, bool p_editor_notify = false, ErrorType p_type = ERR_ERROR) {
		if (!should_log(true)) {
			return;
		}

		const char *err_details;
		if (p_rationale && p_rationale[0])
			err_details = p_rationale;
		else
			err_details = p_code;

		switch (p_type) {
			case ERR_WARNING:
				os_log_info(OS_LOG_DEFAULT,
						"WARNING: %{public}s\nat: %{public}s (%{public}s:%i)",
						err_details, p_function, p_file, p_line);
				logf_error("\E[1;33mWARNING:\E[0;93m %s\n", err_details);
				logf_error("\E[0;90m     at: %s (%s:%i)\E[0m\n", p_function, p_file, p_line);
				break;
			case ERR_SCRIPT:
				os_log_error(OS_LOG_DEFAULT,
						"SCRIPT ERROR: %{public}s\nat: %{public}s (%{public}s:%i)",
						err_details, p_function, p_file, p_line);
				logf_error("\E[1;35mSCRIPT ERROR:\E[0;95m %s\n", err_details);
				logf_error("\E[0;90m          at: %s (%s:%i)\E[0m\n", p_function, p_file, p_line);
				break;
			case ERR_SHADER:
				os_log_error(OS_LOG_DEFAULT,
						"SHADER ERROR: %{public}s\nat: %{public}s (%{public}s:%i)",
						err_details, p_function, p_file, p_line);
				logf_error("\E[1;36mSHADER ERROR:\E[0;96m %s\n", err_details);
				logf_error("\E[0;90m          at: %s (%s:%i)\E[0m\n", p_function, p_file, p_line);
				break;
			case ERR_ERROR:
			default:
				os_log_error(OS_LOG_DEFAULT,
						"ERROR: %{public}s\nat: %{public}s (%{public}s:%i)",
						err_details, p_function, p_file, p_line);
				logf_error("\E[1;31mERROR:\E[0;91m %s\n", err_details);
				logf_error("\E[0;90m   at: %s (%s:%i)\E[0m\n", p_function, p_file, p_line);
				break;
		}
	}
};

/*************************************************************************/
/* OS_OSX                                                                */
/*************************************************************************/

String OS_OSX::get_unique_id() const {
	static String serial_number;

	if (serial_number.is_empty()) {
		io_service_t platformExpert = IOServiceGetMatchingService(kIOMasterPortDefault, IOServiceMatching("IOPlatformExpertDevice"));
		CFStringRef serialNumberAsCFString = nullptr;
		if (platformExpert) {
			serialNumberAsCFString = (CFStringRef)IORegistryEntryCreateCFProperty(platformExpert, CFSTR(kIOPlatformSerialNumberKey), kCFAllocatorDefault, 0);
			IOObjectRelease(platformExpert);
		}

		NSString *serialNumberAsNSString = nil;
		if (serialNumberAsCFString) {
			serialNumberAsNSString = [NSString stringWithString:(NSString *)serialNumberAsCFString];
			CFRelease(serialNumberAsCFString);
		}

		serial_number = [serialNumberAsNSString UTF8String];
	}

	return serial_number;
}

void OS_OSX::alert(const String &p_alert, const String &p_title) {
	NSAlert *window = [[NSAlert alloc] init];
	NSString *ns_title = [NSString stringWithUTF8String:p_title.utf8().get_data()];
	NSString *ns_alert = [NSString stringWithUTF8String:p_alert.utf8().get_data()];

	[window addButtonWithTitle:@"OK"];
	[window setMessageText:ns_title];
	[window setInformativeText:ns_alert];
	[window setAlertStyle:NSAlertStyleWarning];

	id key_window = [[NSApplication sharedApplication] keyWindow];
	[window runModal];
	[window release];
	if (key_window) {
		[key_window makeKeyAndOrderFront:nil];
	}
}

void OS_OSX::initialize_core() {
	OS_Unix::initialize_core();

	DirAccess::make_default<DirAccessOSX>(DirAccess::ACCESS_RESOURCES);
	DirAccess::make_default<DirAccessOSX>(DirAccess::ACCESS_USERDATA);
	DirAccess::make_default<DirAccessOSX>(DirAccess::ACCESS_FILESYSTEM);
}

void OS_OSX::initialize_joypads() {
	joypad_osx = memnew(JoypadOSX(Input::get_singleton()));
}

void OS_OSX::initialize() {
	crash_handler.initialize();

	initialize_core();
	//ensure_user_data_dir();
}

void OS_OSX::finalize() {
#ifdef COREMIDI_ENABLED
	midi_driver.close();
#endif

	delete_main_loop();

	if (joypad_osx) {
		memdelete(joypad_osx);
	}
}

void OS_OSX::set_main_loop(MainLoop *p_main_loop) {
	main_loop = p_main_loop;
}

void OS_OSX::delete_main_loop() {
	if (!main_loop)
		return;
	memdelete(main_loop);
	main_loop = nullptr;
}

String OS_OSX::get_name() const {
	return "macOS";
}

_FORCE_INLINE_ String _get_framework_executable(const String p_path) {
	// Append framework executable name, or return as is if p_path is not a framework.
	DirAccessRef da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
	if (da->dir_exists(p_path) && da->file_exists(p_path.plus_file(p_path.get_file().get_basename()))) {
		return p_path.plus_file(p_path.get_file().get_basename());
	} else {
		return p_path;
	}
}

Error OS_OSX::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path) {
	String path = _get_framework_executable(p_path);

	if (!FileAccess::exists(path)) {
		// This code exists so gdnative can load .dylib files from within the executable path.
		path = _get_framework_executable(get_executable_path().get_base_dir().plus_file(p_path.get_file()));
	}

	if (!FileAccess::exists(path)) {
		// This code exists so gdnative can load .dylib files from a standard macOS location.
		path = _get_framework_executable(get_executable_path().get_base_dir().plus_file("../Frameworks").plus_file(p_path.get_file()));
	}

	p_library_handle = dlopen(path.utf8().get_data(), RTLD_NOW);
	ERR_FAIL_COND_V_MSG(!p_library_handle, ERR_CANT_OPEN, "Can't open dynamic library: " + p_path + ", error: " + dlerror() + ".");
	return OK;
}

MainLoop *OS_OSX::get_main_loop() const {
	return main_loop;
}

String OS_OSX::get_config_path() const {
	// The XDG Base Directory specification technically only applies on Linux/*BSD, but it doesn't hurt to support it on macOS as well.
	if (has_environment("XDG_CONFIG_HOME")) {
		if (get_environment("XDG_CONFIG_HOME").is_absolute_path()) {
			return get_environment("XDG_CONFIG_HOME");
		} else {
			WARN_PRINT_ONCE("`XDG_CONFIG_HOME` is a relative path. Ignoring its value and falling back to `$HOME/Library/Application Support` or `.` per the XDG Base Directory specification.");
		}
	}
	if (has_environment("HOME")) {
		return get_environment("HOME").plus_file("Library/Application Support");
	}
	return ".";
}

String OS_OSX::get_data_path() const {
	// The XDG Base Directory specification technically only applies on Linux/*BSD, but it doesn't hurt to support it on macOS as well.
	if (has_environment("XDG_DATA_HOME")) {
		if (get_environment("XDG_DATA_HOME").is_absolute_path()) {
			return get_environment("XDG_DATA_HOME");
		} else {
			WARN_PRINT_ONCE("`XDG_DATA_HOME` is a relative path. Ignoring its value and falling back to `get_config_path()` per the XDG Base Directory specification.");
		}
	}
	return get_config_path();
}

String OS_OSX::get_cache_path() const {
	// The XDG Base Directory specification technically only applies on Linux/*BSD, but it doesn't hurt to support it on macOS as well.
	if (has_environment("XDG_CACHE_HOME")) {
		if (get_environment("XDG_CACHE_HOME").is_absolute_path()) {
			return get_environment("XDG_CACHE_HOME");
		} else {
			WARN_PRINT_ONCE("`XDG_CACHE_HOME` is a relative path. Ignoring its value and falling back to `$HOME/Library/Caches` or `get_config_path()` per the XDG Base Directory specification.");
		}
	}
	if (has_environment("HOME")) {
		return get_environment("HOME").plus_file("Library/Caches");
	}
	return get_config_path();
}

String OS_OSX::get_bundle_resource_dir() const {
	String ret;

	NSBundle *main = [NSBundle mainBundle];
	if (main) {
		NSString *resourcePath = [main resourcePath];
		ret.parse_utf8([resourcePath UTF8String]);
	}
	return ret;
}

String OS_OSX::get_bundle_icon_path() const {
	String ret;

	NSBundle *main = [NSBundle mainBundle];
	if (main) {
		NSString *iconPath = [[main infoDictionary] objectForKey:@"CFBundleIconFile"];
		if (iconPath) {
			ret.parse_utf8([iconPath UTF8String]);
		}
	}
	return ret;
}

// Get properly capitalized engine name for system paths
String OS_OSX::get_godot_dir_name() const {
	return String(VERSION_SHORT_NAME).capitalize();
}

String OS_OSX::get_system_dir(SystemDir p_dir, bool p_shared_storage) const {
	NSSearchPathDirectory id;
	bool found = true;

	switch (p_dir) {
		case SYSTEM_DIR_DESKTOP: {
			id = NSDesktopDirectory;
		} break;
		case SYSTEM_DIR_DOCUMENTS: {
			id = NSDocumentDirectory;
		} break;
		case SYSTEM_DIR_DOWNLOADS: {
			id = NSDownloadsDirectory;
		} break;
		case SYSTEM_DIR_MOVIES: {
			id = NSMoviesDirectory;
		} break;
		case SYSTEM_DIR_MUSIC: {
			id = NSMusicDirectory;
		} break;
		case SYSTEM_DIR_PICTURES: {
			id = NSPicturesDirectory;
		} break;
		default: {
			found = false;
		}
	}

	String ret;
	if (found) {
		NSArray *paths = NSSearchPathForDirectoriesInDomains(id, NSUserDomainMask, YES);
		if (paths && [paths count] >= 1) {
			char *utfs = strdup([[paths firstObject] UTF8String]);
			ret.parse_utf8(utfs);
			free(utfs);
		}
	}

	return ret;
}

Error OS_OSX::shell_open(String p_uri) {
	NSString *string = [NSString stringWithUTF8String:p_uri.utf8().get_data()];
	NSURL *uri = [[NSURL alloc] initWithString:string];
	// Escape special characters in filenames
	if (!uri || !uri.scheme || [uri.scheme isEqual:@"file"]) {
		uri = [[NSURL alloc] initWithString:[string stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLFragmentAllowedCharacterSet]]];
	}
	[[NSWorkspace sharedWorkspace] openURL:uri];
	return OK;
}

String OS_OSX::get_locale() const {
	NSString *locale_code = [[NSLocale preferredLanguages] objectAtIndex:0];
	return String([locale_code UTF8String]).replace("-", "_");
}

String OS_OSX::get_executable_path() const {
	int ret;
	pid_t pid;
	char pathbuf[PROC_PIDPATHINFO_MAXSIZE];

	pid = getpid();
	ret = proc_pidpath(pid, pathbuf, sizeof(pathbuf));
	if (ret <= 0) {
		return OS::get_executable_path();
	} else {
		String path;
		path.parse_utf8(pathbuf);

		return path;
	}
}

Error OS_OSX::create_instance(const List<String> &p_arguments, ProcessID *r_child_id) {
	// If executable is bundled, always execute editor instances as an app bundle to ensure app window is registered and activated correctly.
	NSString *nsappname = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleName"];
	if (nsappname != nil) {
		String path;
		path.parse_utf8([[[NSBundle mainBundle] bundlePath] UTF8String]);
		return create_process(path, p_arguments, r_child_id);
	} else {
		return create_process(get_executable_path(), p_arguments, r_child_id);
	}
}

Error OS_OSX::create_process(const String &p_path, const List<String> &p_arguments, ProcessID *r_child_id) {
	if (@available(macOS 10.15, *)) {
		// Use NSWorkspace if path is an .app bundle.
		NSURL *url = [NSURL fileURLWithPath:@(p_path.utf8().get_data())];
		NSBundle *bundle = [NSBundle bundleWithURL:url];
		if (bundle) {
			NSMutableArray *arguments = [[NSMutableArray alloc] init];
			for (const List<String>::Element *E = p_arguments.front(); E; E = E->next()) {
				[arguments addObject:[NSString stringWithUTF8String:E->get().utf8().get_data()]];
			}
			NSWorkspaceOpenConfiguration *configuration = [[NSWorkspaceOpenConfiguration alloc] init];
			[configuration setArguments:arguments];
			[configuration setCreatesNewApplicationInstance:YES];
			__block dispatch_semaphore_t lock = dispatch_semaphore_create(0);
			__block Error err = ERR_TIMEOUT;
			__block pid_t pid = 0;
			[[NSWorkspace sharedWorkspace] openApplicationAtURL:url
												  configuration:configuration
											  completionHandler:^(NSRunningApplication *app, NSError *error) {
												  if (error) {
													  err = ERR_CANT_FORK;
													  NSLog(@"Failed to execute: %@", error.localizedDescription);
												  } else {
													  pid = [app processIdentifier];
													  err = OK;
												  }
												  dispatch_semaphore_signal(lock);
											  }];
			dispatch_semaphore_wait(lock, dispatch_time(DISPATCH_TIME_NOW, 20000000000)); // 20 sec timeout, wait for app to launch.
			dispatch_release(lock);

			if (err == OK) {
				if (r_child_id) {
					*r_child_id = (ProcessID)pid;
				}
			}

			return err;
		} else {
			return OS_Unix::create_process(p_path, p_arguments, r_child_id);
		}
	} else {
		return OS_Unix::create_process(p_path, p_arguments, r_child_id);
	}
}

void OS_OSX::pre_wait_observer_cb(CFRunLoopObserverRef p_observer, CFRunLoopActivity p_activiy, void *p_context) {
	// Prevent main loop from sleeping and redraw window during resize / modal popups.

	if (get_singleton()->get_main_loop()) {
		Main::force_redraw();
		if (!Main::is_iterating()) { // Avoid cyclic loop.
			Main::iteration();
		}
	}

	CFRunLoopWakeUp(CFRunLoopGetCurrent()); // Prevent main loop from sleeping.
}

void OS_OSX::run() {
	force_quit = false;

	if (!main_loop) {
		return;
	}

	main_loop->initialize();

	CFRunLoopObserverRef pre_wait_observer = CFRunLoopObserverCreate(kCFAllocatorDefault, kCFRunLoopBeforeWaiting, true, 0, &pre_wait_observer_cb, nullptr);
	CFRunLoopAddObserver(CFRunLoopGetCurrent(), pre_wait_observer, kCFRunLoopCommonModes);

	bool quit = false;
	while (!force_quit && !quit) {
		@try {
			if (DisplayServer::get_singleton()) {
				DisplayServer::get_singleton()->process_events(); // get rid of pending events
			}
			joypad_osx->process_joypads();

			if (Main::iteration()) {
				quit = true;
			}
		} @catch (NSException *exception) {
			ERR_PRINT("NSException: " + String([exception reason].UTF8String));
		}
	};

	CFRunLoopRemoveObserver(CFRunLoopGetCurrent(), pre_wait_observer, kCFRunLoopCommonModes);
	CFRelease(pre_wait_observer);

	main_loop->finalize();
}

Error OS_OSX::move_to_trash(const String &p_path) {
	NSFileManager *fm = [NSFileManager defaultManager];
	NSURL *url = [NSURL fileURLWithPath:@(p_path.utf8().get_data())];
	NSError *err;

	if (![fm trashItemAtURL:url resultingItemURL:nil error:&err]) {
		ERR_PRINT("trashItemAtURL error: " + String(err.localizedDescription.UTF8String));
		return FAILED;
	}

	return OK;
}

OS_OSX::OS_OSX() {
	main_loop = nullptr;
	force_quit = false;

	Vector<Logger *> loggers;
	loggers.push_back(memnew(OSXTerminalLogger));
	_set_logger(memnew(CompositeLogger(loggers)));

#ifdef COREAUDIO_ENABLED
	AudioDriverManager::add_driver(&audio_driver);
#endif

	DisplayServerOSX::register_osx_driver();

	// Implicitly create shared NSApplication instance
	[GodotApplication sharedApplication];

	// In case we are unbundled, make us a proper UI application
	[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];

	// Menu bar setup must go between sharedApplication above and
	// finishLaunching below, in order to properly emulate the behavior
	// of NSApplicationMain

	NSMenu *main_menu = [[[NSMenu alloc] initWithTitle:@""] autorelease];
	[NSApp setMainMenu:main_menu];
	[NSApp finishLaunching];

	id delegate = [[GodotApplicationDelegate alloc] init];
	ERR_FAIL_COND(!delegate);
	[NSApp setDelegate:delegate];

	//process application:openFile: event
	while (true) {
		NSEvent *event = [NSApp
				nextEventMatchingMask:NSEventMaskAny
							untilDate:[NSDate distantPast]
							   inMode:NSDefaultRunLoopMode
							  dequeue:YES];

		if (event == nil) {
			break;
		}

		[NSApp sendEvent:event];
	}

	[NSApp activateIgnoringOtherApps:YES];
}

bool OS_OSX::_check_internal_feature_support(const String &p_feature) {
	return p_feature == "pc";
}

void OS_OSX::disable_crash_handler() {
	crash_handler.disable();
}

bool OS_OSX::is_disable_crash_handler() const {
	return crash_handler.is_disabled();
}