godot/platform/macos/os_macos.mm

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/*************************************************************************/
/* os_macos.mm */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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_macos.h"
#include "core/version_generated.gen.h"
#include "main/main.h"
#include "dir_access_macos.h"
#include "display_server_macos.h"
#include "godot_application.h"
#include "godot_application_delegate.h"
#include "macos_terminal_logger.h"
#include <dlfcn.h>
#include <libproc.h>
#include <mach-o/dyld.h>
#include <os/log.h>
#include <sys/sysctl.h>
_FORCE_INLINE_ String OS_MacOS::get_framework_executable(const String &p_path) {
// Append framework executable name, or return as is if p_path is not a framework.
Ref<DirAccess> 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;
}
}
void OS_MacOS::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.
DisplayServerMacOS *ds = (DisplayServerMacOS *)DisplayServer::get_singleton();
if (get_singleton()->get_main_loop() && ds && (get_singleton()->get_render_thread_mode() != RENDER_SEPARATE_THREAD || !ds->get_is_resizing())) {
Main::force_redraw();
if (!Main::is_iterating()) { // Avoid cyclic loop.
Main::iteration();
}
}
CFRunLoopWakeUp(CFRunLoopGetCurrent()); // Prevent main loop from sleeping.
}
void OS_MacOS::initialize() {
crash_handler.initialize();
initialize_core();
}
String OS_MacOS::get_processor_name() const {
char buffer[256];
size_t buffer_len = 256;
if (sysctlbyname("machdep.cpu.brand_string", &buffer, &buffer_len, NULL, 0) == 0) {
return String::utf8(buffer, buffer_len);
}
ERR_FAIL_V_MSG("", String("Couldn't get the CPU model name. Returning an empty string."));
}
void OS_MacOS::initialize_core() {
OS_Unix::initialize_core();
DirAccess::make_default<DirAccessMacOS>(DirAccess::ACCESS_RESOURCES);
DirAccess::make_default<DirAccessMacOS>(DirAccess::ACCESS_USERDATA);
DirAccess::make_default<DirAccessMacOS>(DirAccess::ACCESS_FILESYSTEM);
}
void OS_MacOS::finalize() {
#ifdef COREMIDI_ENABLED
midi_driver.close();
#endif
delete_main_loop();
if (joypad_macos) {
memdelete(joypad_macos);
}
}
void OS_MacOS::initialize_joypads() {
joypad_macos = memnew(JoypadMacOS(Input::get_singleton()));
}
void OS_MacOS::set_main_loop(MainLoop *p_main_loop) {
main_loop = p_main_loop;
}
void OS_MacOS::delete_main_loop() {
if (!main_loop) {
return;
}
memdelete(main_loop);
main_loop = nullptr;
}
void OS_MacOS::set_cmdline_platform_args(const List<String> &p_args) {
launch_service_args = p_args;
}
List<String> OS_MacOS::get_cmdline_platform_args() const {
return launch_service_args;
}
String OS_MacOS::get_name() const {
return "macOS";
}
void OS_MacOS::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];
if (key_window) {
[key_window makeKeyAndOrderFront:nil];
}
}
Error OS_MacOS::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path, String *r_resolved_path) {
String path = get_framework_executable(p_path);
if (!FileAccess::exists(path)) {
// Load .dylib or framework 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)) {
// Load .dylib or framework 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() + ".");
if (r_resolved_path != nullptr) {
*r_resolved_path = path;
}
return OK;
}
MainLoop *OS_MacOS::get_main_loop() const {
return main_loop;
}
String OS_MacOS::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 `$HOME/Library/Application Support` or `.` per the XDG Base Directory specification.");
}
}
if (has_environment("HOME")) {
return get_environment("HOME").plus_file("Library/Application Support");
}
return ".";
}
String OS_MacOS::get_data_path() const {
// The XDG Base Directory specification technically only applies on Linux/*BSD, but it doesn't hurt to support it on macOS as well.
if (has_environment("XDG_DATA_HOME")) {
if (get_environment("XDG_DATA_HOME").is_absolute_path()) {
return get_environment("XDG_DATA_HOME");
} else {
WARN_PRINT_ONCE("`XDG_DATA_HOME` is a relative path. Ignoring its value and falling back to `get_config_path()` per the XDG Base Directory specification.");
}
}
return get_config_path();
}
String OS_MacOS::get_cache_path() const {
// The XDG Base Directory specification technically only applies on Linux/*BSD, but it doesn't hurt to support it on macOS as well.
if (has_environment("XDG_CACHE_HOME")) {
if (get_environment("XDG_CACHE_HOME").is_absolute_path()) {
return get_environment("XDG_CACHE_HOME");
} else {
WARN_PRINT_ONCE("`XDG_CACHE_HOME` is a relative path. Ignoring its value and falling back to `$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_MacOS::get_bundle_resource_dir() const {
String ret;
NSBundle *main = [NSBundle mainBundle];
if (main) {
NSString *resource_path = [main resourcePath];
ret.parse_utf8([resource_path UTF8String]);
}
return ret;
}
String OS_MacOS::get_bundle_icon_path() const {
String ret;
NSBundle *main = [NSBundle mainBundle];
if (main) {
NSString *icon_path = [[main infoDictionary] objectForKey:@"CFBundleIconFile"];
if (icon_path) {
ret.parse_utf8([icon_path UTF8String]);
}
}
return ret;
}
// Get properly capitalized engine name for system paths
String OS_MacOS::get_godot_dir_name() const {
return String(VERSION_SHORT_NAME).capitalize();
}
String OS_MacOS::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) {
ret.parse_utf8([[paths firstObject] UTF8String]);
}
}
return ret;
}
Error OS_MacOS::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_MacOS::get_locale() const {
NSString *locale_code = [[NSLocale preferredLanguages] objectAtIndex:0];
return String([locale_code UTF8String]).replace("-", "_");
}
String OS_MacOS::get_executable_path() const {
char pathbuf[PROC_PIDPATHINFO_MAXSIZE];
int pid = getpid();
pid_t 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_MacOS::create_process(const String &p_path, const List<String> &p_arguments, ProcessID *r_child_id, bool p_open_console) {
// 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 String &arg : p_arguments) {
[arguments addObject:[NSString stringWithUTF8String:arg.utf8().get_data()]];
}
if (@available(macOS 10.15, *)) {
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.
if (err == OK) {
if (r_child_id) {
*r_child_id = (ProcessID)pid;
}
}
return err;
} else {
Error err = ERR_TIMEOUT;
NSError *error = nullptr;
NSRunningApplication *app = [[NSWorkspace sharedWorkspace] launchApplicationAtURL:url options:NSWorkspaceLaunchNewInstance configuration:[NSDictionary dictionaryWithObject:arguments forKey:NSWorkspaceLaunchConfigurationArguments] error:&error];
if (error) {
err = ERR_CANT_FORK;
NSLog(@"Failed to execute: %@", error.localizedDescription);
} else {
if (r_child_id) {
*r_child_id = (ProcessID)[app processIdentifier];
}
err = OK;
}
return err;
}
} else {
return OS_Unix::create_process(p_path, p_arguments, r_child_id, p_open_console);
}
}
Error OS_MacOS::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, false);
} else {
return create_process(get_executable_path(), p_arguments, r_child_id, false);
}
}
String OS_MacOS::get_unique_id() const {
static String serial_number;
if (serial_number.is_empty()) {
io_service_t platform_expert = IOServiceGetMatchingService(kIOMasterPortDefault, IOServiceMatching("IOPlatformExpertDevice"));
CFStringRef serial_number_cf_string = nullptr;
if (platform_expert) {
serial_number_cf_string = (CFStringRef)IORegistryEntryCreateCFProperty(platform_expert, CFSTR(kIOPlatformSerialNumberKey), kCFAllocatorDefault, 0);
IOObjectRelease(platform_expert);
}
NSString *serial_number_ns_string = nil;
if (serial_number_cf_string) {
serial_number_ns_string = [NSString stringWithString:(__bridge NSString *)serial_number_cf_string];
CFRelease(serial_number_cf_string);
}
if (serial_number_ns_string) {
serial_number.parse_utf8([serial_number_ns_string UTF8String]);
}
}
return serial_number;
}
bool OS_MacOS::_check_internal_feature_support(const String &p_feature) {
return p_feature == "pc";
}
void OS_MacOS::disable_crash_handler() {
crash_handler.disable();
}
bool OS_MacOS::is_disable_crash_handler() const {
return crash_handler.is_disabled();
}
Error OS_MacOS::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::utf8(err.localizedDescription.UTF8String));
return FAILED;
}
return OK;
}
void OS_MacOS::run() {
force_quit = false;
if (!main_loop) {
return;
}
main_loop->initialize();
bool quit = false;
while (!force_quit && !quit) {
@try {
if (DisplayServer::get_singleton()) {
DisplayServer::get_singleton()->process_events(); // Get rid of pending events.
}
joypad_macos->process_joypads();
if (Main::iteration()) {
quit = true;
}
} @catch (NSException *exception) {
ERR_PRINT("NSException: " + String::utf8([exception reason].UTF8String));
}
}
main_loop->finalize();
}
OS_MacOS::OS_MacOS() {
main_loop = nullptr;
force_quit = false;
Vector<Logger *> loggers;
loggers.push_back(memnew(MacOSTerminalLogger));
_set_logger(memnew(CompositeLogger(loggers)));
#ifdef COREAUDIO_ENABLED
AudioDriverManager::add_driver(&audio_driver);
#endif
DisplayServerMacOS::register_macos_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:@""];
[NSApp setMainMenu:main_menu];
[NSApp finishLaunching];
id delegate = [[GodotApplicationDelegate alloc] init];
ERR_FAIL_COND(!delegate);
[NSApp setDelegate:delegate];
pre_wait_observer = CFRunLoopObserverCreate(kCFAllocatorDefault, kCFRunLoopBeforeWaiting, true, 0, &pre_wait_observer_cb, nullptr);
CFRunLoopAddObserver(CFRunLoopGetCurrent(), pre_wait_observer, kCFRunLoopCommonModes);
// 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];
}
OS_MacOS::~OS_MacOS() {
CFRunLoopRemoveObserver(CFRunLoopGetCurrent(), pre_wait_observer, kCFRunLoopCommonModes);
CFRelease(pre_wait_observer);
}