/*************************************************************************/
/*  display_server_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 "display_server_macos.h"

#include "godot_button_view.h"
#include "godot_content_view.h"
#include "godot_menu_delegate.h"
#include "godot_menu_item.h"
#include "godot_window.h"
#include "godot_window_delegate.h"
#include "key_mapping_macos.h"
#include "os_macos.h"

#include "tts_macos.h"

#include "core/config/project_settings.h"
#include "core/io/marshalls.h"
#include "core/math/geometry_2d.h"
#include "core/os/keyboard.h"
#include "main/main.h"
#include "scene/resources/texture.h"

#import <Carbon/Carbon.h>
#import <Cocoa/Cocoa.h>
#import <IOKit/IOCFPlugIn.h>
#import <IOKit/IOKitLib.h>
#import <IOKit/hid/IOHIDKeys.h>
#import <IOKit/hid/IOHIDLib.h>

#if defined(GLES3_ENABLED)
#include "drivers/gles3/rasterizer_gles3.h"
#endif

#if defined(VULKAN_ENABLED)
#include "servers/rendering/renderer_rd/renderer_compositor_rd.h"
#endif

const NSMenu *DisplayServerMacOS::_get_menu_root(const String &p_menu_root) const {
	const NSMenu *menu = nullptr;
	if (p_menu_root == "" || p_menu_root.to_lower() == "_main") {
		// Main menu.
		menu = [NSApp mainMenu];
	} else if (p_menu_root.to_lower() == "_dock") {
		// macOS dock menu.
		menu = dock_menu;
	} else {
		// Submenu.
		if (submenu.has(p_menu_root)) {
			menu = submenu[p_menu_root];
		}
	}
	if (menu == apple_menu) {
		// Do not allow to change Apple menu.
		return nullptr;
	}
	return menu;
}

NSMenu *DisplayServerMacOS::_get_menu_root(const String &p_menu_root) {
	NSMenu *menu = nullptr;
	if (p_menu_root == "" || p_menu_root.to_lower() == "_main") {
		// Main menu.
		menu = [NSApp mainMenu];
	} else if (p_menu_root.to_lower() == "_dock") {
		// macOS dock menu.
		menu = dock_menu;
	} else {
		// Submenu.
		if (!submenu.has(p_menu_root)) {
			NSMenu *n_menu = [[NSMenu alloc] initWithTitle:[NSString stringWithUTF8String:p_menu_root.utf8().get_data()]];
			[n_menu setAutoenablesItems:NO];
			[n_menu setDelegate:menu_delegate];
			submenu[p_menu_root] = n_menu;
		}
		menu = submenu[p_menu_root];
	}
	if (menu == apple_menu) {
		// Do not allow to change Apple menu.
		return nullptr;
	}
	return menu;
}

DisplayServerMacOS::WindowID DisplayServerMacOS::_create_window(WindowMode p_mode, VSyncMode p_vsync_mode, const Rect2i &p_rect) {
	WindowID id;
	const float scale = screen_get_max_scale();
	{
		WindowData wd;

		wd.window_delegate = [[GodotWindowDelegate alloc] init];
		ERR_FAIL_COND_V_MSG(wd.window_delegate == nil, INVALID_WINDOW_ID, "Can't create a window delegate");
		[wd.window_delegate setWindowID:window_id_counter];

		Point2i position = p_rect.position;
		// OS X native y-coordinate relative to _get_screens_origin() is negative,
		// Godot passes a positive value.
		position.y *= -1;
		position += _get_screens_origin();

		// initWithContentRect uses bottom-left corner of the window’s frame as origin.
		wd.window_object = [[GodotWindow alloc]
				initWithContentRect:NSMakeRect(position.x / scale, (position.y - p_rect.size.height) / scale, p_rect.size.width / scale, p_rect.size.height / scale)
						  styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskMiniaturizable | NSWindowStyleMaskResizable
							backing:NSBackingStoreBuffered
							  defer:NO];
		ERR_FAIL_COND_V_MSG(wd.window_object == nil, INVALID_WINDOW_ID, "Can't create a window");
		[wd.window_object setWindowID:window_id_counter];

		wd.window_view = [[GodotContentView alloc] init];
		ERR_FAIL_COND_V_MSG(wd.window_view == nil, INVALID_WINDOW_ID, "Can't create a window view");
		[wd.window_view setWindowID:window_id_counter];
		[wd.window_view setWantsLayer:TRUE];

		[wd.window_object setCollectionBehavior:NSWindowCollectionBehaviorFullScreenPrimary];
		[wd.window_object setContentView:wd.window_view];
		[wd.window_object setDelegate:wd.window_delegate];
		[wd.window_object setAcceptsMouseMovedEvents:YES];
		[wd.window_object setRestorable:NO];
		[wd.window_object setColorSpace:[NSColorSpace sRGBColorSpace]];

		if ([wd.window_object respondsToSelector:@selector(setTabbingMode:)]) {
			[wd.window_object setTabbingMode:NSWindowTabbingModeDisallowed];
		}

		CALayer *layer = [(NSView *)wd.window_view layer];
		if (layer) {
			layer.contentsScale = scale;
		}

#if defined(VULKAN_ENABLED)
		if (context_vulkan) {
			Error err = context_vulkan->window_create(window_id_counter, p_vsync_mode, wd.window_view, p_rect.size.width, p_rect.size.height);
			ERR_FAIL_COND_V_MSG(err != OK, INVALID_WINDOW_ID, "Can't create a Vulkan context");
		}
#endif
#if defined(GLES3_ENABLED)
		if (gl_manager) {
			Error err = gl_manager->window_create(window_id_counter, wd.window_view, p_rect.size.width, p_rect.size.height);
			ERR_FAIL_COND_V_MSG(err != OK, INVALID_WINDOW_ID, "Can't create an OpenGL context");
		}
#endif
		[wd.window_view updateLayerDelegate];
		id = window_id_counter++;
		windows[id] = wd;
	}

	WindowData &wd = windows[id];
	window_set_mode(p_mode, id);

	const NSRect contentRect = [wd.window_view frame];
	wd.size.width = contentRect.size.width * scale;
	wd.size.height = contentRect.size.height * scale;

	CALayer *layer = [(NSView *)wd.window_view layer];
	if (layer) {
		layer.contentsScale = scale;
	}

#if defined(GLES3_ENABLED)
	if (gl_manager) {
		gl_manager->window_resize(id, wd.size.width, wd.size.height);
	}
#endif
#if defined(VULKAN_ENABLED)
	if (context_vulkan) {
		context_vulkan->window_resize(id, wd.size.width, wd.size.height);
	}
#endif

	return id;
}

void DisplayServerMacOS::_update_window_style(WindowData p_wd) {
	bool borderless_full = false;

	if (p_wd.borderless) {
		NSRect frameRect = [p_wd.window_object frame];
		NSRect screenRect = [[p_wd.window_object screen] frame];

		// Check if our window covers up the screen.
		if (frameRect.origin.x <= screenRect.origin.x && frameRect.origin.y <= frameRect.origin.y &&
				frameRect.size.width >= screenRect.size.width && frameRect.size.height >= screenRect.size.height) {
			borderless_full = true;
		}
	}

	if (borderless_full) {
		// If the window covers up the screen set the level to above the main menu and hide on deactivate.
		[(NSWindow *)p_wd.window_object setLevel:NSMainMenuWindowLevel + 1];
		[(NSWindow *)p_wd.window_object setHidesOnDeactivate:YES];
	} else {
		// Reset these when our window is not a borderless window that covers up the screen.
		if (p_wd.on_top && !p_wd.fullscreen) {
			[(NSWindow *)p_wd.window_object setLevel:NSFloatingWindowLevel];
		} else {
			[(NSWindow *)p_wd.window_object setLevel:NSNormalWindowLevel];
		}
		[(NSWindow *)p_wd.window_object setHidesOnDeactivate:NO];
	}
}

void DisplayServerMacOS::_set_window_per_pixel_transparency_enabled(bool p_enabled, WindowID p_window) {
	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];

	if (!OS::get_singleton()->is_layered_allowed()) {
		return;
	}
	if (wd.layered_window != p_enabled) {
		if (p_enabled) {
			[wd.window_object setBackgroundColor:[NSColor clearColor]];
			[wd.window_object setOpaque:NO];
			[wd.window_object setHasShadow:NO];
			CALayer *layer = [(NSView *)wd.window_view layer];
			if (layer) {
				[layer setBackgroundColor:[NSColor clearColor].CGColor];
				[layer setOpaque:NO];
			}
#if defined(GLES3_ENABLED)
			if (gl_manager) {
				gl_manager->window_set_per_pixel_transparency_enabled(p_window, true);
			}
#endif
			wd.layered_window = true;
		} else {
			[wd.window_object setBackgroundColor:[NSColor colorWithCalibratedWhite:1 alpha:1]];
			[wd.window_object setOpaque:YES];
			[wd.window_object setHasShadow:YES];
			CALayer *layer = [(NSView *)wd.window_view layer];
			if (layer) {
				[layer setBackgroundColor:[NSColor colorWithCalibratedWhite:1 alpha:1].CGColor];
				[layer setOpaque:YES];
			}
#if defined(GLES3_ENABLED)
			if (gl_manager) {
				gl_manager->window_set_per_pixel_transparency_enabled(p_window, false);
			}
#endif
			wd.layered_window = false;
		}
		NSRect frameRect = [wd.window_object frame];
		[wd.window_object setFrame:NSMakeRect(frameRect.origin.x, frameRect.origin.y, frameRect.size.width + 1, frameRect.size.height) display:YES];
		[wd.window_object setFrame:frameRect display:YES];
	}
}

void DisplayServerMacOS::_update_displays_arrangement() {
	origin = Point2i();

	for (int i = 0; i < get_screen_count(); i++) {
		Point2i position = _get_native_screen_position(i);
		if (position.x < origin.x) {
			origin.x = position.x;
		}
		if (position.y > origin.y) {
			origin.y = position.y;
		}
	}
	displays_arrangement_dirty = false;
}

Point2i DisplayServerMacOS::_get_screens_origin() const {
	// Returns the native top-left screen coordinate of the smallest rectangle
	// that encompasses all screens. Needed in get_screen_position(),
	// window_get_position, and window_set_position()
	// to convert between OS X native screen coordinates and the ones expected by Godot.

	if (displays_arrangement_dirty) {
		const_cast<DisplayServerMacOS *>(this)->_update_displays_arrangement();
	}

	return origin;
}

Point2i DisplayServerMacOS::_get_native_screen_position(int p_screen) const {
	NSArray *screenArray = [NSScreen screens];
	if ((NSUInteger)p_screen < [screenArray count]) {
		NSRect nsrect = [[screenArray objectAtIndex:p_screen] frame];
		// Return the top-left corner of the screen, for OS X the y starts at the bottom.
		return Point2i(nsrect.origin.x, nsrect.origin.y + nsrect.size.height) * screen_get_max_scale();
	}

	return Point2i();
}

void DisplayServerMacOS::_displays_arrangement_changed(CGDirectDisplayID display_id, CGDisplayChangeSummaryFlags flags, void *user_info) {
	DisplayServerMacOS *ds = (DisplayServerMacOS *)DisplayServer::get_singleton();
	if (ds) {
		ds->displays_arrangement_dirty = true;
	}
}

DisplayServer::WindowID DisplayServerMacOS::_get_focused_window_or_popup() const {
	const List<WindowID>::Element *E = popup_list.back();
	if (E) {
		return E->get();
	}

	return last_focused_window;
}

void DisplayServerMacOS::_dispatch_input_events(const Ref<InputEvent> &p_event) {
	((DisplayServerMacOS *)(get_singleton()))->_dispatch_input_event(p_event);
}

void DisplayServerMacOS::_dispatch_input_event(const Ref<InputEvent> &p_event) {
	_THREAD_SAFE_METHOD_
	if (!in_dispatch_input_event) {
		in_dispatch_input_event = true;

		Variant ev = p_event;
		Variant *evp = &ev;
		Variant ret;
		Callable::CallError ce;

		{
			List<WindowID>::Element *E = popup_list.back();
			if (E && Object::cast_to<InputEventKey>(*p_event)) {
				// Redirect keyboard input to active popup.
				if (windows.has(E->get())) {
					Callable callable = windows[E->get()].input_event_callback;
					if (callable.is_valid()) {
						callable.callp((const Variant **)&evp, 1, ret, ce);
					}
				}
				in_dispatch_input_event = false;
				return;
			}
		}

		Ref<InputEventFromWindow> event_from_window = p_event;
		if (event_from_window.is_valid() && event_from_window->get_window_id() != INVALID_WINDOW_ID) {
			// Send to a window.
			if (windows.has(event_from_window->get_window_id())) {
				Callable callable = windows[event_from_window->get_window_id()].input_event_callback;
				if (callable.is_valid()) {
					callable.callp((const Variant **)&evp, 1, ret, ce);
				}
			}
		} else {
			// Send to all windows.
			for (KeyValue<WindowID, WindowData> &E : windows) {
				Callable callable = E.value.input_event_callback;
				if (callable.is_valid()) {
					callable.callp((const Variant **)&evp, 1, ret, ce);
				}
			}
		}
		in_dispatch_input_event = false;
	}
}

void DisplayServerMacOS::_push_input(const Ref<InputEvent> &p_event) {
	Ref<InputEvent> ev = p_event;
	Input::get_singleton()->parse_input_event(ev);
}

void DisplayServerMacOS::_process_key_events() {
	Ref<InputEventKey> k;
	for (int i = 0; i < key_event_pos; i++) {
		const KeyEvent &ke = key_event_buffer[i];
		if (ke.raw) {
			// Non IME input - no composite characters, pass events as is.
			k.instantiate();

			k->set_window_id(ke.window_id);
			get_key_modifier_state(ke.macos_state, k);
			k->set_pressed(ke.pressed);
			k->set_echo(ke.echo);
			k->set_keycode(ke.keycode);
			k->set_physical_keycode((Key)ke.physical_keycode);
			k->set_unicode(ke.unicode);

			_push_input(k);
		} else {
			// IME input.
			if ((i == 0 && ke.keycode == Key::NONE) || (i > 0 && key_event_buffer[i - 1].keycode == Key::NONE)) {
				k.instantiate();

				k->set_window_id(ke.window_id);
				get_key_modifier_state(ke.macos_state, k);
				k->set_pressed(ke.pressed);
				k->set_echo(ke.echo);
				k->set_keycode(Key::NONE);
				k->set_physical_keycode(Key::NONE);
				k->set_unicode(ke.unicode);

				_push_input(k);
			}
			if (ke.keycode != Key::NONE) {
				k.instantiate();

				k->set_window_id(ke.window_id);
				get_key_modifier_state(ke.macos_state, k);
				k->set_pressed(ke.pressed);
				k->set_echo(ke.echo);
				k->set_keycode(ke.keycode);
				k->set_physical_keycode((Key)ke.physical_keycode);

				if (i + 1 < key_event_pos && key_event_buffer[i + 1].keycode == Key::NONE) {
					k->set_unicode(key_event_buffer[i + 1].unicode);
				}

				_push_input(k);
			}
		}
	}

	key_event_pos = 0;
}

void DisplayServerMacOS::_update_keyboard_layouts() {
	kbd_layouts.clear();
	current_layout = 0;

	TISInputSourceRef cur_source = TISCopyCurrentKeyboardInputSource();
	NSString *cur_name = (__bridge NSString *)TISGetInputSourceProperty(cur_source, kTISPropertyLocalizedName);
	CFRelease(cur_source);

	// Enum IME layouts.
	NSDictionary *filter_ime = @{ (NSString *)kTISPropertyInputSourceType : (NSString *)kTISTypeKeyboardInputMode };
	NSArray *list_ime = (__bridge NSArray *)TISCreateInputSourceList((__bridge CFDictionaryRef)filter_ime, false);
	for (NSUInteger i = 0; i < [list_ime count]; i++) {
		LayoutInfo ly;
		NSString *name = (__bridge NSString *)TISGetInputSourceProperty((__bridge TISInputSourceRef)[list_ime objectAtIndex:i], kTISPropertyLocalizedName);
		ly.name.parse_utf8([name UTF8String]);

		NSArray *langs = (__bridge NSArray *)TISGetInputSourceProperty((__bridge TISInputSourceRef)[list_ime objectAtIndex:i], kTISPropertyInputSourceLanguages);
		ly.code.parse_utf8([(NSString *)[langs objectAtIndex:0] UTF8String]);
		kbd_layouts.push_back(ly);

		if ([name isEqualToString:cur_name]) {
			current_layout = kbd_layouts.size() - 1;
		}
	}

	// Enum plain keyboard layouts.
	NSDictionary *filter_kbd = @{ (NSString *)kTISPropertyInputSourceType : (NSString *)kTISTypeKeyboardLayout };
	NSArray *list_kbd = (__bridge NSArray *)TISCreateInputSourceList((__bridge CFDictionaryRef)filter_kbd, false);
	for (NSUInteger i = 0; i < [list_kbd count]; i++) {
		LayoutInfo ly;
		NSString *name = (__bridge NSString *)TISGetInputSourceProperty((__bridge TISInputSourceRef)[list_kbd objectAtIndex:i], kTISPropertyLocalizedName);
		ly.name.parse_utf8([name UTF8String]);

		NSArray *langs = (__bridge NSArray *)TISGetInputSourceProperty((__bridge TISInputSourceRef)[list_kbd objectAtIndex:i], kTISPropertyInputSourceLanguages);
		ly.code.parse_utf8([(NSString *)[langs objectAtIndex:0] UTF8String]);
		kbd_layouts.push_back(ly);

		if ([name isEqualToString:cur_name]) {
			current_layout = kbd_layouts.size() - 1;
		}
	}

	keyboard_layout_dirty = false;
}

void DisplayServerMacOS::_keyboard_layout_changed(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef user_info) {
	DisplayServerMacOS *ds = (DisplayServerMacOS *)DisplayServer::get_singleton();
	if (ds) {
		ds->keyboard_layout_dirty = true;
	}
}

NSImage *DisplayServerMacOS::_convert_to_nsimg(Ref<Image> &p_image) const {
	p_image->convert(Image::FORMAT_RGBA8);
	NSBitmapImageRep *imgrep = [[NSBitmapImageRep alloc]
			initWithBitmapDataPlanes:NULL
						  pixelsWide:p_image->get_width()
						  pixelsHigh:p_image->get_height()
					   bitsPerSample:8
					 samplesPerPixel:4
							hasAlpha:YES
							isPlanar:NO
					  colorSpaceName:NSDeviceRGBColorSpace
						 bytesPerRow:int(p_image->get_width()) * 4
						bitsPerPixel:32];
	ERR_FAIL_COND_V(imgrep == nil, nil);
	uint8_t *pixels = [imgrep bitmapData];

	int len = p_image->get_width() * p_image->get_height();
	const uint8_t *r = p_image->get_data().ptr();

	/* Premultiply the alpha channel */
	for (int i = 0; i < len; i++) {
		uint8_t alpha = r[i * 4 + 3];
		pixels[i * 4 + 0] = (uint8_t)(((uint16_t)r[i * 4 + 0] * alpha) / 255);
		pixels[i * 4 + 1] = (uint8_t)(((uint16_t)r[i * 4 + 1] * alpha) / 255);
		pixels[i * 4 + 2] = (uint8_t)(((uint16_t)r[i * 4 + 2] * alpha) / 255);
		pixels[i * 4 + 3] = alpha;
	}

	NSImage *nsimg = [[NSImage alloc] initWithSize:NSMakeSize(p_image->get_width(), p_image->get_height())];
	ERR_FAIL_COND_V(nsimg == nil, nil);
	[nsimg addRepresentation:imgrep];
	return nsimg;
}

NSCursor *DisplayServerMacOS::_cursor_from_selector(SEL p_selector, SEL p_fallback) {
	if ([NSCursor respondsToSelector:p_selector]) {
		id object = [NSCursor performSelector:p_selector];
		if ([object isKindOfClass:[NSCursor class]]) {
			return object;
		}
	}
	if (p_fallback) {
		// Fallback should be a reasonable default, no need to check.
		return [NSCursor performSelector:p_fallback];
	}
	return [NSCursor arrowCursor];
}

NSMenu *DisplayServerMacOS::get_dock_menu() const {
	return dock_menu;
}

void DisplayServerMacOS::menu_callback(id p_sender) {
	if (![p_sender representedObject]) {
		return;
	}

	GodotMenuItem *value = [p_sender representedObject];

	if (value) {
		if (value->max_states > 0) {
			value->state++;
			if (value->state >= value->max_states) {
				value->state = 0;
			}
		}

		if (value->checkable_type == CHECKABLE_TYPE_CHECK_BOX) {
			if ([p_sender state] == NSControlStateValueOff) {
				[p_sender setState:NSControlStateValueOn];
			} else {
				[p_sender setState:NSControlStateValueOff];
			}
		}

		if (value->callback != Callable()) {
			MenuCall mc;
			mc.tag = value->meta;
			mc.callback = value->callback;
			deferred_menu_calls.push_back(mc);
			// Do not run callback from here! If it is opening a new window or calling process_events, it will corrupt OS event queue and crash.
		}
	}
}

bool DisplayServerMacOS::has_window(WindowID p_window) const {
	return windows.has(p_window);
}

DisplayServerMacOS::WindowData &DisplayServerMacOS::get_window(WindowID p_window) {
	return windows[p_window];
}

void DisplayServerMacOS::send_event(NSEvent *p_event) {
	// Special case handling of command-period, which is traditionally a special
	// shortcut in macOS and doesn't arrive at our regular keyDown handler.
	if ([p_event type] == NSEventTypeKeyDown) {
		if ((([p_event modifierFlags] & NSEventModifierFlagDeviceIndependentFlagsMask) == NSEventModifierFlagCommand) && [p_event keyCode] == 0x2f) {
			Ref<InputEventKey> k;
			k.instantiate();

			get_key_modifier_state([p_event modifierFlags], k);
			k->set_window_id(DisplayServerMacOS::INVALID_WINDOW_ID);
			k->set_pressed(true);
			k->set_keycode(Key::PERIOD);
			k->set_physical_keycode(Key::PERIOD);
			k->set_echo([p_event isARepeat]);

			Input::get_singleton()->parse_input_event(k);
		}
	}
}

void DisplayServerMacOS::send_window_event(const WindowData &wd, WindowEvent p_event) {
	_THREAD_SAFE_METHOD_

	if (!wd.event_callback.is_null()) {
		Variant event = int(p_event);
		Variant *eventp = &event;
		Variant ret;
		Callable::CallError ce;
		wd.event_callback.callp((const Variant **)&eventp, 1, ret, ce);
	}
}

void DisplayServerMacOS::release_pressed_events() {
	_THREAD_SAFE_METHOD_
	if (Input::get_singleton()) {
		Input::get_singleton()->release_pressed_events();
	}
}

void DisplayServerMacOS::get_key_modifier_state(unsigned int p_macos_state, Ref<InputEventWithModifiers> r_state) const {
	r_state->set_shift_pressed((p_macos_state & NSEventModifierFlagShift));
	r_state->set_ctrl_pressed((p_macos_state & NSEventModifierFlagControl));
	r_state->set_alt_pressed((p_macos_state & NSEventModifierFlagOption));
	r_state->set_meta_pressed((p_macos_state & NSEventModifierFlagCommand));
}

void DisplayServerMacOS::update_mouse_pos(DisplayServerMacOS::WindowData &p_wd, NSPoint p_location_in_window) {
	const NSRect content_rect = [p_wd.window_view frame];
	const float scale = screen_get_max_scale();
	p_wd.mouse_pos.x = p_location_in_window.x * scale;
	p_wd.mouse_pos.y = (content_rect.size.height - p_location_in_window.y) * scale;
	Input::get_singleton()->set_mouse_position(p_wd.mouse_pos);
}

void DisplayServerMacOS::push_to_key_event_buffer(const DisplayServerMacOS::KeyEvent &p_event) {
	if (key_event_pos >= key_event_buffer.size()) {
		key_event_buffer.resize(1 + key_event_pos);
	}
	key_event_buffer.write[key_event_pos++] = p_event;
}

void DisplayServerMacOS::update_im_text(const Point2i &p_selection, const String &p_text) {
	im_selection = p_selection;
	im_text = p_text;

	OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_OS_IME_UPDATE);
}

void DisplayServerMacOS::set_last_focused_window(WindowID p_window) {
	last_focused_window = p_window;
}

void DisplayServerMacOS::set_is_resizing(bool p_is_resizing) {
	is_resizing = p_is_resizing;
}

bool DisplayServerMacOS::get_is_resizing() const {
	return is_resizing;
}

void DisplayServerMacOS::window_update(WindowID p_window) {
#if defined(GLES3_ENABLED)
	if (gl_manager) {
		gl_manager->window_update(p_window);
	}
#endif
}

void DisplayServerMacOS::window_destroy(WindowID p_window) {
#if defined(GLES3_ENABLED)
	if (gl_manager) {
		gl_manager->window_destroy(p_window);
	}
#endif
#ifdef VULKAN_ENABLED
	if (context_vulkan) {
		context_vulkan->window_destroy(p_window);
	}
#endif
	windows.erase(p_window);
}

void DisplayServerMacOS::window_resize(WindowID p_window, int p_width, int p_height) {
#if defined(GLES3_ENABLED)
	if (gl_manager) {
		gl_manager->window_resize(p_window, p_width, p_height);
	}
#endif
#if defined(VULKAN_ENABLED)
	if (context_vulkan) {
		context_vulkan->window_resize(p_window, p_width, p_height);
	}
#endif
}

bool DisplayServerMacOS::has_feature(Feature p_feature) const {
	switch (p_feature) {
		case FEATURE_GLOBAL_MENU:
		case FEATURE_SUBWINDOWS:
		//case FEATURE_TOUCHSCREEN:
		case FEATURE_MOUSE:
		case FEATURE_MOUSE_WARP:
		case FEATURE_CLIPBOARD:
		case FEATURE_CURSOR_SHAPE:
		case FEATURE_CUSTOM_CURSOR_SHAPE:
		case FEATURE_NATIVE_DIALOG:
		case FEATURE_IME:
		case FEATURE_WINDOW_TRANSPARENCY:
		case FEATURE_HIDPI:
		case FEATURE_ICON:
		case FEATURE_NATIVE_ICON:
		//case FEATURE_KEEP_SCREEN_ON:
		case FEATURE_SWAP_BUFFERS:
		case FEATURE_TEXT_TO_SPEECH:
		case FEATURE_EXTEND_TO_TITLE:
			return true;
		default: {
		}
	}
	return false;
}

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

bool DisplayServerMacOS::_has_help_menu() const {
	if ([NSApp helpMenu]) {
		return true;
	} else {
		NSMenu *menu = [NSApp mainMenu];
		const NSMenuItem *menu_item = [menu itemAtIndex:[menu numberOfItems] - 1];
		if (menu_item) {
			String menu_name = String::utf8([[menu_item title] UTF8String]);
			if (menu_name == "Help" || menu_name == RTR("Help")) {
				return true;
			}
		}
		return false;
	}
}

NSMenuItem *DisplayServerMacOS::_menu_add_item(const String &p_menu_root, const String &p_label, Key p_accel, int p_index, int *r_out) {
	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		String keycode = KeyMappingMacOS::keycode_get_native_string(p_accel & KeyModifierMask::CODE_MASK);
		NSMenuItem *menu_item;
		int item_count = ((menu == [NSApp mainMenu]) && _has_help_menu()) ? [menu numberOfItems] - 1 : [menu numberOfItems];
		if ((menu == [NSApp mainMenu]) && (p_label == "Help" || p_label == RTR("Help"))) {
			p_index = [menu numberOfItems];
		} else if (p_index < 0) {
			p_index = item_count;
		} else {
			if (menu == [NSApp mainMenu]) { // Skip Apple menu.
				p_index++;
			}
			p_index = CLAMP(p_index, 0, item_count);
		}
		menu_item = [menu insertItemWithTitle:[NSString stringWithUTF8String:p_label.utf8().get_data()] action:@selector(globalMenuCallback:) keyEquivalent:[NSString stringWithUTF8String:keycode.utf8().get_data()] atIndex:p_index];
		*r_out = (menu == [NSApp mainMenu]) ? p_index - 1 : p_index;
		return menu_item;
	}
	return nullptr;
}

int DisplayServerMacOS::global_menu_add_item(const String &p_menu_root, const String &p_label, const Callable &p_callback, const Callable &p_key_callback, const Variant &p_tag, Key p_accel, int p_index) {
	_THREAD_SAFE_METHOD_

	int out = -1;
	NSMenuItem *menu_item = _menu_add_item(p_menu_root, p_label, p_accel, p_index, &out);
	if (menu_item) {
		GodotMenuItem *obj = [[GodotMenuItem alloc] init];
		obj->callback = p_callback;
		obj->key_callback = p_key_callback;
		obj->meta = p_tag;
		obj->checkable_type = CHECKABLE_TYPE_NONE;
		obj->max_states = 0;
		obj->state = 0;
		[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_accel)];
		[menu_item setRepresentedObject:obj];
	}
	return out;
}

int DisplayServerMacOS::global_menu_add_check_item(const String &p_menu_root, const String &p_label, const Callable &p_callback, const Callable &p_key_callback, const Variant &p_tag, Key p_accel, int p_index) {
	_THREAD_SAFE_METHOD_

	int out = -1;
	NSMenuItem *menu_item = _menu_add_item(p_menu_root, p_label, p_accel, p_index, &out);
	if (menu_item) {
		GodotMenuItem *obj = [[GodotMenuItem alloc] init];
		obj->callback = p_callback;
		obj->key_callback = p_key_callback;
		obj->meta = p_tag;
		obj->checkable_type = CHECKABLE_TYPE_CHECK_BOX;
		obj->max_states = 0;
		obj->state = 0;
		[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_accel)];
		[menu_item setRepresentedObject:obj];
	}
	return out;
}

int DisplayServerMacOS::global_menu_add_icon_item(const String &p_menu_root, const Ref<Texture2D> &p_icon, const String &p_label, const Callable &p_callback, const Callable &p_key_callback, const Variant &p_tag, Key p_accel, int p_index) {
	_THREAD_SAFE_METHOD_

	int out = -1;
	NSMenuItem *menu_item = _menu_add_item(p_menu_root, p_label, p_accel, p_index, &out);
	if (menu_item) {
		GodotMenuItem *obj = [[GodotMenuItem alloc] init];
		obj->callback = p_callback;
		obj->key_callback = p_key_callback;
		obj->meta = p_tag;
		obj->checkable_type = CHECKABLE_TYPE_NONE;
		obj->max_states = 0;
		obj->state = 0;
		if (p_icon.is_valid()) {
			obj->img = p_icon->get_image();
			obj->img = obj->img->duplicate();
			if (obj->img->is_compressed()) {
				obj->img->decompress();
			}
			obj->img->resize(16, 16, Image::INTERPOLATE_LANCZOS);
			[menu_item setImage:_convert_to_nsimg(obj->img)];
		}
		[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_accel)];
		[menu_item setRepresentedObject:obj];
	}
	return out;
}

int DisplayServerMacOS::global_menu_add_icon_check_item(const String &p_menu_root, const Ref<Texture2D> &p_icon, const String &p_label, const Callable &p_callback, const Callable &p_key_callback, const Variant &p_tag, Key p_accel, int p_index) {
	_THREAD_SAFE_METHOD_

	int out = -1;
	NSMenuItem *menu_item = _menu_add_item(p_menu_root, p_label, p_accel, p_index, &out);
	if (menu_item) {
		GodotMenuItem *obj = [[GodotMenuItem alloc] init];
		obj->callback = p_callback;
		obj->key_callback = p_key_callback;
		obj->meta = p_tag;
		obj->checkable_type = CHECKABLE_TYPE_CHECK_BOX;
		obj->max_states = 0;
		obj->state = 0;
		if (p_icon.is_valid()) {
			obj->img = p_icon->get_image();
			obj->img = obj->img->duplicate();
			if (obj->img->is_compressed()) {
				obj->img->decompress();
			}
			obj->img->resize(16, 16, Image::INTERPOLATE_LANCZOS);
			[menu_item setImage:_convert_to_nsimg(obj->img)];
		}
		[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_accel)];
		[menu_item setRepresentedObject:obj];
	}
	return out;
}

int DisplayServerMacOS::global_menu_add_radio_check_item(const String &p_menu_root, const String &p_label, const Callable &p_callback, const Callable &p_key_callback, const Variant &p_tag, Key p_accel, int p_index) {
	_THREAD_SAFE_METHOD_

	int out = -1;
	NSMenuItem *menu_item = _menu_add_item(p_menu_root, p_label, p_accel, p_index, &out);
	if (menu_item) {
		GodotMenuItem *obj = [[GodotMenuItem alloc] init];
		obj->callback = p_callback;
		obj->key_callback = p_key_callback;
		obj->meta = p_tag;
		obj->checkable_type = CHECKABLE_TYPE_RADIO_BUTTON;
		obj->max_states = 0;
		obj->state = 0;
		[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_accel)];
		[menu_item setRepresentedObject:obj];
	}
	return out;
}

int DisplayServerMacOS::global_menu_add_icon_radio_check_item(const String &p_menu_root, const Ref<Texture2D> &p_icon, const String &p_label, const Callable &p_callback, const Callable &p_key_callback, const Variant &p_tag, Key p_accel, int p_index) {
	_THREAD_SAFE_METHOD_

	int out = -1;
	NSMenuItem *menu_item = _menu_add_item(p_menu_root, p_label, p_accel, p_index, &out);
	if (menu_item) {
		GodotMenuItem *obj = [[GodotMenuItem alloc] init];
		obj->callback = p_callback;
		obj->key_callback = p_key_callback;
		obj->meta = p_tag;
		obj->checkable_type = CHECKABLE_TYPE_RADIO_BUTTON;
		obj->max_states = 0;
		obj->state = 0;
		if (p_icon.is_valid()) {
			obj->img = p_icon->get_image();
			obj->img = obj->img->duplicate();
			if (obj->img->is_compressed()) {
				obj->img->decompress();
			}
			obj->img->resize(16, 16, Image::INTERPOLATE_LANCZOS);
			[menu_item setImage:_convert_to_nsimg(obj->img)];
		}
		[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_accel)];
		[menu_item setRepresentedObject:obj];
	}
	return out;
}

int DisplayServerMacOS::global_menu_add_multistate_item(const String &p_menu_root, const String &p_label, int p_max_states, int p_default_state, const Callable &p_callback, const Callable &p_key_callback, const Variant &p_tag, Key p_accel, int p_index) {
	_THREAD_SAFE_METHOD_

	int out = -1;
	NSMenuItem *menu_item = _menu_add_item(p_menu_root, p_label, p_accel, p_index, &out);
	if (menu_item) {
		GodotMenuItem *obj = [[GodotMenuItem alloc] init];
		obj->callback = p_callback;
		obj->key_callback = p_key_callback;
		obj->meta = p_tag;
		obj->checkable_type = CHECKABLE_TYPE_NONE;
		obj->max_states = p_max_states;
		obj->state = p_default_state;
		[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_accel)];
		[menu_item setRepresentedObject:obj];
	}
	return out;
}

int DisplayServerMacOS::global_menu_add_submenu_item(const String &p_menu_root, const String &p_label, const String &p_submenu, int p_index) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	NSMenu *sub_menu = _get_menu_root(p_submenu);
	int out = -1;
	if (menu && sub_menu) {
		if (sub_menu == menu) {
			ERR_PRINT("Can't set submenu to self!");
			return -1;
		}
		if ([sub_menu supermenu]) {
			ERR_PRINT("Can't set submenu to menu that is already a submenu of some other menu!");
			return -1;
		}
		NSMenuItem *menu_item;
		int item_count = ((menu == [NSApp mainMenu]) && _has_help_menu()) ? [menu numberOfItems] - 1 : [menu numberOfItems];
		if ((menu == [NSApp mainMenu]) && (p_label == "Help" || p_label == RTR("Help"))) {
			p_index = [menu numberOfItems];
		} else if (p_index < 0) {
			p_index = item_count;
		} else {
			if (menu == [NSApp mainMenu]) { // Skip Apple menu.
				p_index++;
			}
			p_index = CLAMP(p_index, 0, item_count);
		}
		menu_item = [menu insertItemWithTitle:[NSString stringWithUTF8String:p_label.utf8().get_data()] action:nil keyEquivalent:@"" atIndex:p_index];
		out = (menu == [NSApp mainMenu]) ? p_index - 1 : p_index;

		GodotMenuItem *obj = [[GodotMenuItem alloc] init];
		obj->callback = Callable();
		obj->checkable_type = CHECKABLE_TYPE_NONE;
		obj->max_states = 0;
		obj->state = 0;
		[menu_item setRepresentedObject:obj];

		[sub_menu setTitle:[NSString stringWithUTF8String:p_label.utf8().get_data()]];
		[menu setSubmenu:sub_menu forItem:menu_item];
	}
	return out;
}

int DisplayServerMacOS::global_menu_add_separator(const String &p_menu_root, int p_index) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		if (menu == [NSApp mainMenu]) { // Do not add separators into main menu.
			return -1;
		}
		if (p_index < 0) {
			p_index = [menu numberOfItems];
		} else {
			p_index = CLAMP(p_index, 0, [menu numberOfItems]);
		}
		[menu insertItem:[NSMenuItem separatorItem] atIndex:p_index];
		return p_index;
	}
	return -1;
}

int DisplayServerMacOS::global_menu_get_item_index_from_text(const String &p_menu_root, const String &p_text) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			return [menu indexOfItemWithTitle:[NSString stringWithUTF8String:p_text.utf8().get_data()]] - 1;
		} else {
			return [menu indexOfItemWithTitle:[NSString stringWithUTF8String:p_text.utf8().get_data()]];
		}
	}

	return -1;
}

int DisplayServerMacOS::global_menu_get_item_index_from_tag(const String &p_menu_root, const Variant &p_tag) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		for (NSInteger i = (menu == [NSApp mainMenu]) ? 1 : 0; i < [menu numberOfItems]; i++) {
			const NSMenuItem *menu_item = [menu itemAtIndex:i];
			if (menu_item) {
				const GodotMenuItem *obj = [menu_item representedObject];
				if (obj && obj->meta == p_tag) {
					if (menu == [NSApp mainMenu]) { // Skip Apple menu.
						return i - 1;
					} else {
						return i;
					}
				}
			}
		}
	}

	return -1;
}

bool DisplayServerMacOS::global_menu_is_item_checked(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, false);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], false);
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			return ([menu_item state] == NSControlStateValueOn);
		}
	}
	return false;
}

bool DisplayServerMacOS::global_menu_is_item_checkable(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, false);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], false);
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			if (obj) {
				return obj->checkable_type == CHECKABLE_TYPE_CHECK_BOX;
			}
		}
	}
	return false;
}

bool DisplayServerMacOS::global_menu_is_item_radio_checkable(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, false);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], false);
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			if (obj) {
				return obj->checkable_type == CHECKABLE_TYPE_RADIO_BUTTON;
			}
		}
	}
	return false;
}

Callable DisplayServerMacOS::global_menu_get_item_callback(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, Callable());
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], Callable());
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			if (obj) {
				return obj->callback;
			}
		}
	}
	return Callable();
}

Callable DisplayServerMacOS::global_menu_get_item_key_callback(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, Callable());
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], Callable());
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			if (obj) {
				return obj->key_callback;
			}
		}
	}
	return Callable();
}

Variant DisplayServerMacOS::global_menu_get_item_tag(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, Variant());
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], Variant());
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			if (obj) {
				return obj->meta;
			}
		}
	}
	return Variant();
}

String DisplayServerMacOS::global_menu_get_item_text(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, String());
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], String());
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			return String::utf8([[menu_item title] UTF8String]);
		}
	}
	return String();
}

String DisplayServerMacOS::global_menu_get_item_submenu(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, String());
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], String());
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			const NSMenu *sub_menu = [menu_item submenu];
			if (sub_menu) {
				for (const KeyValue<String, NSMenu *> &E : submenu) {
					if (E.value == sub_menu) {
						return E.key;
					}
				}
			}
		}
	}
	return String();
}

Key DisplayServerMacOS::global_menu_get_item_accelerator(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, Key::NONE);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], Key::NONE);
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			String ret = String::utf8([[menu_item keyEquivalent] UTF8String]);
			Key keycode = find_keycode(ret);
			NSUInteger mask = [menu_item keyEquivalentModifierMask];
			if (mask & NSEventModifierFlagControl) {
				keycode |= KeyModifierMask::CTRL;
			}
			if (mask & NSEventModifierFlagOption) {
				keycode |= KeyModifierMask::ALT;
			}
			if (mask & NSEventModifierFlagShift) {
				keycode |= KeyModifierMask::SHIFT;
			}
			if (mask & NSEventModifierFlagCommand) {
				keycode |= KeyModifierMask::META;
			}
			if (mask & NSEventModifierFlagNumericPad) {
				keycode |= KeyModifierMask::KPAD;
			}
			return keycode;
		}
	}
	return Key::NONE;
}

bool DisplayServerMacOS::global_menu_is_item_disabled(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, false);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], false);
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			return ![menu_item isEnabled];
		}
	}
	return false;
}

String DisplayServerMacOS::global_menu_get_item_tooltip(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, String());
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], String());
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			return String::utf8([[menu_item toolTip] UTF8String]);
		}
	}
	return String();
}

int DisplayServerMacOS::global_menu_get_item_state(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], 0);
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			if (obj) {
				return obj->state;
			}
		}
	}
	return 0;
}

int DisplayServerMacOS::global_menu_get_item_max_states(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], 0);
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			if (obj) {
				return obj->max_states;
			}
		}
	}
	return 0;
}

Ref<Texture2D> DisplayServerMacOS::global_menu_get_item_icon(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, Ref<Texture2D>());
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], Ref<Texture2D>());
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			if (obj) {
				if (obj->img.is_valid()) {
					return ImageTexture::create_from_image(obj->img);
				}
			}
		}
	}
	return Ref<Texture2D>();
}

int DisplayServerMacOS::global_menu_get_item_indentation_level(const String &p_menu_root, int p_idx) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND_V(p_idx < 0, 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND_V(p_idx >= [menu numberOfItems], 0);
		const NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			return [menu_item indentationLevel];
		}
	}
	return 0;
}

void DisplayServerMacOS::global_menu_set_item_checked(const String &p_menu_root, int p_idx, bool p_checked) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			if (p_checked) {
				[menu_item setState:NSControlStateValueOn];
			} else {
				[menu_item setState:NSControlStateValueOff];
			}
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_checkable(const String &p_menu_root, int p_idx, bool p_checkable) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			ERR_FAIL_COND(!obj);
			obj->checkable_type = (p_checkable) ? CHECKABLE_TYPE_CHECK_BOX : CHECKABLE_TYPE_NONE;
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_radio_checkable(const String &p_menu_root, int p_idx, bool p_checkable) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			ERR_FAIL_COND(!obj);
			obj->checkable_type = (p_checkable) ? CHECKABLE_TYPE_RADIO_BUTTON : CHECKABLE_TYPE_NONE;
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_callback(const String &p_menu_root, int p_idx, const Callable &p_callback) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			ERR_FAIL_COND(!obj);
			obj->callback = p_callback;
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_key_callback(const String &p_menu_root, int p_idx, const Callable &p_key_callback) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			ERR_FAIL_COND(!obj);
			obj->key_callback = p_key_callback;
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_tag(const String &p_menu_root, int p_idx, const Variant &p_tag) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			ERR_FAIL_COND(!obj);
			obj->meta = p_tag;
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_text(const String &p_menu_root, int p_idx, const String &p_text) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			[menu_item setTitle:[NSString stringWithUTF8String:p_text.utf8().get_data()]];
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_submenu(const String &p_menu_root, int p_idx, const String &p_submenu) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	NSMenu *sub_menu = _get_menu_root(p_submenu);
	if (menu && sub_menu) {
		if (sub_menu == menu) {
			ERR_PRINT("Can't set submenu to self!");
			return;
		}
		if ([sub_menu supermenu]) {
			ERR_PRINT("Can't set submenu to menu that is already a submenu of some other menu!");
			return;
		}
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			[menu setSubmenu:sub_menu forItem:menu_item];
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_accelerator(const String &p_menu_root, int p_idx, Key p_keycode) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			[menu_item setKeyEquivalentModifierMask:KeyMappingMacOS::keycode_get_native_mask(p_keycode)];
			String keycode = KeyMappingMacOS::keycode_get_native_string(p_keycode & KeyModifierMask::CODE_MASK);
			[menu_item setKeyEquivalent:[NSString stringWithUTF8String:keycode.utf8().get_data()]];
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_disabled(const String &p_menu_root, int p_idx, bool p_disabled) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			[menu_item setEnabled:(!p_disabled)];
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_tooltip(const String &p_menu_root, int p_idx, const String &p_tooltip) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			[menu_item setToolTip:[NSString stringWithUTF8String:p_tooltip.utf8().get_data()]];
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_state(const String &p_menu_root, int p_idx, int p_state) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			ERR_FAIL_COND(!obj);
			obj->state = p_state;
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_max_states(const String &p_menu_root, int p_idx, int p_max_states) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			ERR_FAIL_COND(!obj);
			obj->max_states = p_max_states;
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_icon(const String &p_menu_root, int p_idx, const Ref<Texture2D> &p_icon) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			GodotMenuItem *obj = [menu_item representedObject];
			ERR_FAIL_COND(!obj);
			if (p_icon.is_valid()) {
				obj->img = p_icon->get_image();
				obj->img = obj->img->duplicate();
				if (obj->img->is_compressed()) {
					obj->img->decompress();
				}
				obj->img->resize(16, 16, Image::INTERPOLATE_LANCZOS);
				[menu_item setImage:_convert_to_nsimg(obj->img)];
			} else {
				obj->img = Ref<Image>();
				[menu_item setImage:nil];
			}
		}
	}
}

void DisplayServerMacOS::global_menu_set_item_indentation_level(const String &p_menu_root, int p_idx, int p_level) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		NSMenuItem *menu_item = [menu itemAtIndex:p_idx];
		if (menu_item) {
			[menu_item setIndentationLevel:p_level];
		}
	}
}

int DisplayServerMacOS::global_menu_get_item_count(const String &p_menu_root) const {
	_THREAD_SAFE_METHOD_

	const NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			return [menu numberOfItems] - 1;
		} else {
			return [menu numberOfItems];
		}
	} else {
		return 0;
	}
}

void DisplayServerMacOS::global_menu_remove_item(const String &p_menu_root, int p_idx) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		ERR_FAIL_COND(p_idx < 0);
		if (menu == [NSApp mainMenu]) { // Skip Apple menu.
			p_idx++;
		}
		ERR_FAIL_COND(p_idx >= [menu numberOfItems]);
		[menu removeItemAtIndex:p_idx];
	}
}

void DisplayServerMacOS::global_menu_clear(const String &p_menu_root) {
	_THREAD_SAFE_METHOD_

	NSMenu *menu = _get_menu_root(p_menu_root);
	if (menu) {
		[menu removeAllItems];
		// Restore Apple menu.
		if (menu == [NSApp mainMenu]) {
			NSMenuItem *menu_item = [menu addItemWithTitle:@"" action:nil keyEquivalent:@""];
			[menu setSubmenu:apple_menu forItem:menu_item];
		}
		if (submenu.has(p_menu_root)) {
			submenu.erase(p_menu_root);
		}
	}
}

bool DisplayServerMacOS::tts_is_speaking() const {
	ERR_FAIL_COND_V(!tts, false);
	return [tts isSpeaking];
}

bool DisplayServerMacOS::tts_is_paused() const {
	ERR_FAIL_COND_V(!tts, false);
	return [tts isPaused];
}

TypedArray<Dictionary> DisplayServerMacOS::tts_get_voices() const {
	ERR_FAIL_COND_V(!tts, Array());
	return [tts getVoices];
}

void DisplayServerMacOS::tts_speak(const String &p_text, const String &p_voice, int p_volume, float p_pitch, float p_rate, int p_utterance_id, bool p_interrupt) {
	ERR_FAIL_COND(!tts);
	[tts speak:p_text voice:p_voice volume:p_volume pitch:p_pitch rate:p_rate utterance_id:p_utterance_id interrupt:p_interrupt];
}

void DisplayServerMacOS::tts_pause() {
	ERR_FAIL_COND(!tts);
	[tts pauseSpeaking];
}

void DisplayServerMacOS::tts_resume() {
	ERR_FAIL_COND(!tts);
	[tts resumeSpeaking];
}

void DisplayServerMacOS::tts_stop() {
	ERR_FAIL_COND(!tts);
	[tts stopSpeaking];
}

bool DisplayServerMacOS::is_dark_mode_supported() const {
	if (@available(macOS 10.14, *)) {
		return true;
	} else {
		return false;
	}
}

bool DisplayServerMacOS::is_dark_mode() const {
	if (@available(macOS 10.14, *)) {
		if (![[NSUserDefaults standardUserDefaults] objectForKey:@"AppleInterfaceStyle"]) {
			return false;
		} else {
			return ([[[NSUserDefaults standardUserDefaults] stringForKey:@"AppleInterfaceStyle"] isEqual:@"Dark"]);
		}
	} else {
		return false;
	}
}

Color DisplayServerMacOS::get_accent_color() const {
	if (@available(macOS 10.14, *)) {
		NSColor *color = [[NSColor controlAccentColor] colorUsingColorSpace:[NSColorSpace genericRGBColorSpace]];
		if (color) {
			CGFloat components[4];
			[color getRed:&components[0] green:&components[1] blue:&components[2] alpha:&components[3]];
			return Color(components[0], components[1], components[2], components[3]);
		} else {
			return Color(0, 0, 0, 0);
		}
	} else {
		return Color(0, 0, 0, 0);
	}
}

Error DisplayServerMacOS::dialog_show(String p_title, String p_description, Vector<String> p_buttons, const Callable &p_callback) {
	_THREAD_SAFE_METHOD_

	NSAlert *window = [[NSAlert alloc] init];
	NSString *ns_title = [NSString stringWithUTF8String:p_title.utf8().get_data()];
	NSString *ns_description = [NSString stringWithUTF8String:p_description.utf8().get_data()];

	for (int i = 0; i < p_buttons.size(); i++) {
		NSString *ns_button = [NSString stringWithUTF8String:p_buttons[i].utf8().get_data()];
		[window addButtonWithTitle:ns_button];
	}
	[window setMessageText:ns_title];
	[window setInformativeText:ns_description];
	[window setAlertStyle:NSAlertStyleInformational];

	int button_pressed;
	NSInteger ret = [window runModal];
	if (ret == NSAlertFirstButtonReturn) {
		button_pressed = 0;
	} else if (ret == NSAlertSecondButtonReturn) {
		button_pressed = 1;
	} else if (ret == NSAlertThirdButtonReturn) {
		button_pressed = 2;
	} else {
		button_pressed = 2 + (ret - NSAlertThirdButtonReturn);
	}

	if (!p_callback.is_null()) {
		Variant button = button_pressed;
		Variant *buttonp = &button;
		Variant ret;
		Callable::CallError ce;
		p_callback.callp((const Variant **)&buttonp, 1, ret, ce);
	}

	return OK;
}

Error DisplayServerMacOS::dialog_input_text(String p_title, String p_description, String p_partial, const Callable &p_callback) {
	_THREAD_SAFE_METHOD_

	NSAlert *window = [[NSAlert alloc] init];
	NSString *ns_title = [NSString stringWithUTF8String:p_title.utf8().get_data()];
	NSString *ns_description = [NSString stringWithUTF8String:p_description.utf8().get_data()];
	NSTextField *input = [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 250, 30)];

	[window addButtonWithTitle:@"OK"];
	[window setMessageText:ns_title];
	[window setInformativeText:ns_description];
	[window setAlertStyle:NSAlertStyleInformational];

	[input setStringValue:[NSString stringWithUTF8String:p_partial.utf8().get_data()]];
	[window setAccessoryView:input];

	[window runModal];

	String ret;
	ret.parse_utf8([[input stringValue] UTF8String]);

	if (!p_callback.is_null()) {
		Variant text = ret;
		Variant *textp = &text;
		Variant ret;
		Callable::CallError ce;
		p_callback.callp((const Variant **)&textp, 1, ret, ce);
	}

	return OK;
}

void DisplayServerMacOS::mouse_set_mode(MouseMode p_mode) {
	_THREAD_SAFE_METHOD_

	if (p_mode == mouse_mode) {
		return;
	}

	WindowID window_id = _get_focused_window_or_popup();
	if (!windows.has(window_id)) {
		window_id = MAIN_WINDOW_ID;
	}
	WindowData &wd = windows[window_id];
	if (p_mode == MOUSE_MODE_CAPTURED) {
		// Apple Docs state that the display parameter is not used.
		// "This parameter is not used. By default, you may pass kCGDirectMainDisplay."
		// https://developer.apple.com/library/mac/documentation/graphicsimaging/reference/Quartz_Services_Ref/Reference/reference.html
		if (mouse_mode == MOUSE_MODE_VISIBLE || mouse_mode == MOUSE_MODE_CONFINED) {
			CGDisplayHideCursor(kCGDirectMainDisplay);
		}
		CGAssociateMouseAndMouseCursorPosition(false);
		[wd.window_object setMovable:NO];
		const NSRect contentRect = [wd.window_view frame];
		NSRect pointInWindowRect = NSMakeRect(contentRect.size.width / 2, contentRect.size.height / 2, 0, 0);
		NSPoint pointOnScreen = [[wd.window_view window] convertRectToScreen:pointInWindowRect].origin;
		CGPoint lMouseWarpPos = { pointOnScreen.x, CGDisplayBounds(CGMainDisplayID()).size.height - pointOnScreen.y };
		CGWarpMouseCursorPosition(lMouseWarpPos);
	} else if (p_mode == MOUSE_MODE_HIDDEN) {
		if (mouse_mode == MOUSE_MODE_VISIBLE || mouse_mode == MOUSE_MODE_CONFINED) {
			CGDisplayHideCursor(kCGDirectMainDisplay);
		}
		[wd.window_object setMovable:YES];
		CGAssociateMouseAndMouseCursorPosition(true);
	} else if (p_mode == MOUSE_MODE_CONFINED) {
		CGDisplayShowCursor(kCGDirectMainDisplay);
		[wd.window_object setMovable:NO];
		CGAssociateMouseAndMouseCursorPosition(false);
	} else if (p_mode == MOUSE_MODE_CONFINED_HIDDEN) {
		if (mouse_mode == MOUSE_MODE_VISIBLE || mouse_mode == MOUSE_MODE_CONFINED) {
			CGDisplayHideCursor(kCGDirectMainDisplay);
		}
		[wd.window_object setMovable:NO];
		CGAssociateMouseAndMouseCursorPosition(false);
	} else { // MOUSE_MODE_VISIBLE
		CGDisplayShowCursor(kCGDirectMainDisplay);
		[wd.window_object setMovable:YES];
		CGAssociateMouseAndMouseCursorPosition(true);
	}

	last_warp = [[NSProcessInfo processInfo] systemUptime];
	ignore_warp = true;
	warp_events.clear();
	mouse_mode = p_mode;

	if (mouse_mode == MOUSE_MODE_VISIBLE || mouse_mode == MOUSE_MODE_CONFINED) {
		cursor_update_shape();
	}
}

DisplayServer::MouseMode DisplayServerMacOS::mouse_get_mode() const {
	return mouse_mode;
}

bool DisplayServerMacOS::update_mouse_wrap(WindowData &p_wd, NSPoint &r_delta, NSPoint &r_mpos, NSTimeInterval p_timestamp) {
	_THREAD_SAFE_METHOD_

	if (ignore_warp) {
		// Discard late events, before warp.
		if (p_timestamp < last_warp) {
			return true;
		}
		ignore_warp = false;
		return true;
	}

	if (mouse_mode == DisplayServer::MOUSE_MODE_CONFINED || mouse_mode == DisplayServer::MOUSE_MODE_CONFINED_HIDDEN) {
		// Discard late events.
		if (p_timestamp < last_warp) {
			return true;
		}

		// Warp affects next event delta, subtract previous warp deltas.
		List<WarpEvent>::Element *F = warp_events.front();
		while (F) {
			if (F->get().timestamp < p_timestamp) {
				List<DisplayServerMacOS::WarpEvent>::Element *E = F;
				r_delta.x -= E->get().delta.x;
				r_delta.y -= E->get().delta.y;
				F = F->next();
				warp_events.erase(E);
			} else {
				F = F->next();
			}
		}

		// Confine mouse position to the window, and update delta.
		NSRect frame = [p_wd.window_object frame];
		NSPoint conf_pos = r_mpos;
		conf_pos.x = CLAMP(conf_pos.x + r_delta.x, 0.f, frame.size.width);
		conf_pos.y = CLAMP(conf_pos.y - r_delta.y, 0.f, frame.size.height);
		r_delta.x = conf_pos.x - r_mpos.x;
		r_delta.y = r_mpos.y - conf_pos.y;
		r_mpos = conf_pos;

		// Move mouse cursor.
		NSRect point_in_window_rect = NSMakeRect(conf_pos.x, conf_pos.y, 0, 0);
		conf_pos = [[p_wd.window_view window] convertRectToScreen:point_in_window_rect].origin;
		conf_pos.y = CGDisplayBounds(CGMainDisplayID()).size.height - conf_pos.y;
		CGWarpMouseCursorPosition(conf_pos);

		// Save warp data.
		last_warp = [[NSProcessInfo processInfo] systemUptime];

		DisplayServerMacOS::WarpEvent ev;
		ev.timestamp = last_warp;
		ev.delta = r_delta;
		warp_events.push_back(ev);
	}

	return false;
}

void DisplayServerMacOS::warp_mouse(const Point2i &p_position) {
	_THREAD_SAFE_METHOD_

	if (mouse_mode != MOUSE_MODE_CAPTURED) {
		WindowID window_id = _get_focused_window_or_popup();
		if (!windows.has(window_id)) {
			window_id = MAIN_WINDOW_ID;
		}
		WindowData &wd = windows[window_id];

		// Local point in window coords.
		const NSRect contentRect = [wd.window_view frame];
		const float scale = screen_get_max_scale();
		NSRect pointInWindowRect = NSMakeRect(p_position.x / scale, contentRect.size.height - (p_position.y / scale - 1), 0, 0);
		NSPoint pointOnScreen = [[wd.window_view window] convertRectToScreen:pointInWindowRect].origin;

		// Point in scren coords.
		CGPoint lMouseWarpPos = { pointOnScreen.x, CGDisplayBounds(CGMainDisplayID()).size.height - pointOnScreen.y };

		// Do the warping.
		CGEventSourceRef lEventRef = CGEventSourceCreate(kCGEventSourceStateCombinedSessionState);
		CGEventSourceSetLocalEventsSuppressionInterval(lEventRef, 0.0);
		CGAssociateMouseAndMouseCursorPosition(false);
		CGWarpMouseCursorPosition(lMouseWarpPos);
		if (mouse_mode != MOUSE_MODE_CONFINED && mouse_mode != MOUSE_MODE_CONFINED_HIDDEN) {
			CGAssociateMouseAndMouseCursorPosition(true);
		}
	}
}

Point2i DisplayServerMacOS::mouse_get_position() const {
	_THREAD_SAFE_METHOD_

	const NSPoint mouse_pos = [NSEvent mouseLocation];
	const float scale = screen_get_max_scale();

	for (NSScreen *screen in [NSScreen screens]) {
		NSRect frame = [screen frame];
		if (NSMouseInRect(mouse_pos, frame, NO)) {
			Vector2i pos = Vector2i((int)mouse_pos.x, (int)mouse_pos.y);
			pos *= scale;
			pos -= _get_screens_origin();
			pos.y *= -1;
			return pos;
		}
	}
	return Vector2i();
}

void DisplayServerMacOS::mouse_set_button_state(MouseButton p_state) {
	last_button_state = p_state;
}

MouseButton DisplayServerMacOS::mouse_get_button_state() const {
	return last_button_state;
}

void DisplayServerMacOS::clipboard_set(const String &p_text) {
	_THREAD_SAFE_METHOD_

	NSString *copiedString = [NSString stringWithUTF8String:p_text.utf8().get_data()];
	NSArray *copiedStringArray = [NSArray arrayWithObject:copiedString];

	NSPasteboard *pasteboard = [NSPasteboard generalPasteboard];
	[pasteboard clearContents];
	[pasteboard writeObjects:copiedStringArray];
}

String DisplayServerMacOS::clipboard_get() const {
	_THREAD_SAFE_METHOD_

	NSPasteboard *pasteboard = [NSPasteboard generalPasteboard];
	NSArray *classArray = [NSArray arrayWithObject:[NSString class]];
	NSDictionary *options = [NSDictionary dictionary];

	BOOL ok = [pasteboard canReadObjectForClasses:classArray options:options];

	if (!ok) {
		return "";
	}

	NSArray *objectsToPaste = [pasteboard readObjectsForClasses:classArray options:options];
	NSString *string = [objectsToPaste objectAtIndex:0];

	String ret;
	ret.parse_utf8([string UTF8String]);
	return ret;
}

int DisplayServerMacOS::get_screen_count() const {
	_THREAD_SAFE_METHOD_

	NSArray *screenArray = [NSScreen screens];
	return [screenArray count];
}

Point2i DisplayServerMacOS::screen_get_position(int p_screen) const {
	_THREAD_SAFE_METHOD_

	if (p_screen == SCREEN_OF_MAIN_WINDOW) {
		p_screen = window_get_current_screen();
	}

	Point2i position = _get_native_screen_position(p_screen) - _get_screens_origin();
	// OS X native y-coordinate relative to _get_screens_origin() is negative,
	// Godot expects a positive value.
	position.y *= -1;
	return position;
}

Size2i DisplayServerMacOS::screen_get_size(int p_screen) const {
	_THREAD_SAFE_METHOD_

	if (p_screen == SCREEN_OF_MAIN_WINDOW) {
		p_screen = window_get_current_screen();
	}

	NSArray *screenArray = [NSScreen screens];
	if ((NSUInteger)p_screen < [screenArray count]) {
		// Note: Use frame to get the whole screen size.
		NSRect nsrect = [[screenArray objectAtIndex:p_screen] frame];
		return Size2i(nsrect.size.width, nsrect.size.height) * screen_get_max_scale();
	}

	return Size2i();
}

int DisplayServerMacOS::screen_get_dpi(int p_screen) const {
	_THREAD_SAFE_METHOD_

	if (p_screen == SCREEN_OF_MAIN_WINDOW) {
		p_screen = window_get_current_screen();
	}

	NSArray *screenArray = [NSScreen screens];
	if ((NSUInteger)p_screen < [screenArray count]) {
		NSDictionary *description = [[screenArray objectAtIndex:p_screen] deviceDescription];

		const NSSize displayPixelSize = [[description objectForKey:NSDeviceSize] sizeValue];
		const CGSize displayPhysicalSize = CGDisplayScreenSize([[description objectForKey:@"NSScreenNumber"] unsignedIntValue]);
		float scale = [[screenArray objectAtIndex:p_screen] backingScaleFactor];

		float den2 = (displayPhysicalSize.width / 25.4f) * (displayPhysicalSize.width / 25.4f) + (displayPhysicalSize.height / 25.4f) * (displayPhysicalSize.height / 25.4f);
		if (den2 > 0.0f) {
			return ceil(sqrt(displayPixelSize.width * displayPixelSize.width + displayPixelSize.height * displayPixelSize.height) / sqrt(den2) * scale);
		}
	}

	return 72;
}

float DisplayServerMacOS::screen_get_scale(int p_screen) const {
	_THREAD_SAFE_METHOD_

	if (p_screen == SCREEN_OF_MAIN_WINDOW) {
		p_screen = window_get_current_screen();
	}
	if (OS::get_singleton()->is_hidpi_allowed()) {
		NSArray *screenArray = [NSScreen screens];
		if ((NSUInteger)p_screen < [screenArray count]) {
			if ([[screenArray objectAtIndex:p_screen] respondsToSelector:@selector(backingScaleFactor)]) {
				return fmax(1.0, [[screenArray objectAtIndex:p_screen] backingScaleFactor]);
			}
		}
	}

	return 1.f;
}

float DisplayServerMacOS::screen_get_max_scale() const {
	_THREAD_SAFE_METHOD_

	// Note: Do not update max display scale on screen configuration change, existing editor windows can't be rescaled on the fly.
	return display_max_scale;
}

Rect2i DisplayServerMacOS::screen_get_usable_rect(int p_screen) const {
	_THREAD_SAFE_METHOD_

	if (p_screen == SCREEN_OF_MAIN_WINDOW) {
		p_screen = window_get_current_screen();
	}

	NSArray *screenArray = [NSScreen screens];
	if ((NSUInteger)p_screen < [screenArray count]) {
		const float scale = screen_get_max_scale();
		NSRect nsrect = [[screenArray objectAtIndex:p_screen] visibleFrame];

		Point2i position = Point2i(nsrect.origin.x, nsrect.origin.y + nsrect.size.height) * scale - _get_screens_origin();
		position.y *= -1;
		Size2i size = Size2i(nsrect.size.width, nsrect.size.height) * scale;

		return Rect2i(position, size);
	}

	return Rect2i();
}

float DisplayServerMacOS::screen_get_refresh_rate(int p_screen) const {
	_THREAD_SAFE_METHOD_

	if (p_screen == SCREEN_OF_MAIN_WINDOW) {
		p_screen = window_get_current_screen();
	}

	NSArray *screenArray = [NSScreen screens];
	if ((NSUInteger)p_screen < [screenArray count]) {
		NSDictionary *description = [[screenArray objectAtIndex:p_screen] deviceDescription];
		const CGDisplayModeRef displayMode = CGDisplayCopyDisplayMode([[description objectForKey:@"NSScreenNumber"] unsignedIntValue]);
		const double displayRefreshRate = CGDisplayModeGetRefreshRate(displayMode);
		return (float)displayRefreshRate;
	}
	ERR_PRINT("An error occurred while trying to get the screen refresh rate.");
	return SCREEN_REFRESH_RATE_FALLBACK;
}

bool DisplayServerMacOS::screen_is_kept_on() const {
	return (screen_keep_on_assertion);
}

void DisplayServerMacOS::screen_set_keep_on(bool p_enable) {
	if (screen_keep_on_assertion) {
		IOPMAssertionRelease(screen_keep_on_assertion);
		screen_keep_on_assertion = kIOPMNullAssertionID;
	}

	if (p_enable) {
		String app_name_string = GLOBAL_GET("application/config/name");
		NSString *name = [NSString stringWithUTF8String:(app_name_string.is_empty() ? "Godot Engine" : app_name_string.utf8().get_data())];
		NSString *reason = @"Godot Engine running with display/window/energy_saving/keep_screen_on = true";
		IOPMAssertionCreateWithDescription(kIOPMAssertPreventUserIdleDisplaySleep, (__bridge CFStringRef)name, (__bridge CFStringRef)reason, (__bridge CFStringRef)reason, nullptr, 0, nullptr, &screen_keep_on_assertion);
	}
}

Vector<DisplayServer::WindowID> DisplayServerMacOS::get_window_list() const {
	_THREAD_SAFE_METHOD_

	Vector<int> ret;
	for (const KeyValue<WindowID, WindowData> &E : windows) {
		ret.push_back(E.key);
	}
	return ret;
}

DisplayServer::WindowID DisplayServerMacOS::create_sub_window(WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Rect2i &p_rect) {
	_THREAD_SAFE_METHOD_

	WindowID id = _create_window(p_mode, p_vsync_mode, p_rect);
	for (int i = 0; i < WINDOW_FLAG_MAX; i++) {
		if (p_flags & (1 << i)) {
			window_set_flag(WindowFlags(i), true, id);
		}
	}

	return id;
}

void DisplayServerMacOS::show_window(WindowID p_id) {
	WindowData &wd = windows[p_id];

	popup_open(p_id);
	if ([wd.window_object isMiniaturized]) {
		return;
	} else if (wd.no_focus || wd.is_popup) {
		[wd.window_object orderFront:nil];
	} else {
		[wd.window_object makeKeyAndOrderFront:nil];
	}
}

void DisplayServerMacOS::delete_sub_window(WindowID p_id) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_id));
	ERR_FAIL_COND_MSG(p_id == MAIN_WINDOW_ID, "Main window can't be deleted");

	WindowData &wd = windows[p_id];

	[wd.window_object setContentView:nil];
	[wd.window_object close];
}

void DisplayServerMacOS::window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];
	wd.rect_changed_callback = p_callable;
}

void DisplayServerMacOS::window_set_window_event_callback(const Callable &p_callable, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];
	wd.event_callback = p_callable;
}

void DisplayServerMacOS::window_set_input_event_callback(const Callable &p_callable, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];
	wd.input_event_callback = p_callable;
}

void DisplayServerMacOS::window_set_input_text_callback(const Callable &p_callable, WindowID p_window) {
	_THREAD_SAFE_METHOD_
	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];
	wd.input_text_callback = p_callable;
}

void DisplayServerMacOS::window_set_drop_files_callback(const Callable &p_callable, WindowID p_window) {
	_THREAD_SAFE_METHOD_
	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];
	wd.drop_files_callback = p_callable;
}

void DisplayServerMacOS::window_set_title(const String &p_title, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];

	[wd.window_object setTitle:[NSString stringWithUTF8String:p_title.utf8().get_data()]];
}

void DisplayServerMacOS::window_set_mouse_passthrough(const Vector<Vector2> &p_region, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];

	wd.mpath = p_region;
}

int DisplayServerMacOS::window_get_current_screen(WindowID p_window) const {
	_THREAD_SAFE_METHOD_
	ERR_FAIL_COND_V(!windows.has(p_window), -1);
	const WindowData &wd = windows[p_window];

	const NSUInteger index = [[NSScreen screens] indexOfObject:[wd.window_object screen]];
	return (index == NSNotFound) ? 0 : index;
}

void DisplayServerMacOS::window_set_current_screen(int p_screen, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];

	if (window_get_current_screen(p_window) == p_screen) {
		return;
	}

	bool was_fullscreen = false;
	if (wd.fullscreen) {
		// Temporary exit fullscreen mode to move window.
		[wd.window_object toggleFullScreen:nil];
		was_fullscreen = true;
	}

	Point2i wpos = window_get_position(p_window) - screen_get_position(window_get_current_screen(p_window));
	window_set_position(wpos + screen_get_position(p_screen), p_window);

	if (was_fullscreen) {
		// Re-enter fullscreen mode.
		[wd.window_object toggleFullScreen:nil];
	}
}

void DisplayServerMacOS::window_set_exclusive(WindowID p_window, bool p_exclusive) {
	_THREAD_SAFE_METHOD_
	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];
	if (wd.exclusive != p_exclusive) {
		wd.exclusive = p_exclusive;
		if (wd.transient_parent != INVALID_WINDOW_ID) {
			WindowData &wd_parent = windows[wd.transient_parent];
			if (wd.exclusive) {
				ERR_FAIL_COND_MSG([[wd_parent.window_object childWindows] count] > 0, "Transient parent has another exclusive child.");
				[wd_parent.window_object addChildWindow:wd.window_object ordered:NSWindowAbove];
			} else {
				[wd_parent.window_object removeChildWindow:wd.window_object];
			}
		}
	}
}

Point2i DisplayServerMacOS::window_get_position(WindowID p_window) const {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND_V(!windows.has(p_window), Point2i());
	const WindowData &wd = windows[p_window];

	// Use content rect position (without titlebar / window border).
	const NSRect contentRect = [wd.window_view frame];
	const NSRect nsrect = [wd.window_object convertRectToScreen:contentRect];
	Point2i pos;

	// Return the position of the top-left corner, for OS X the y starts at the bottom.
	const float scale = screen_get_max_scale();
	pos.x = nsrect.origin.x;
	pos.y = (nsrect.origin.y + nsrect.size.height);
	pos *= scale;
	pos -= _get_screens_origin();
	// OS X native y-coordinate relative to _get_screens_origin() is negative,
	// Godot expects a positive value.
	pos.y *= -1;
	return pos;
}

void DisplayServerMacOS::window_set_position(const Point2i &p_position, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];

	if ([wd.window_object isZoomed]) {
		return;
	}

	Point2i position = p_position;
	// OS X native y-coordinate relative to _get_screens_origin() is negative,
	// Godot passes a positive value.
	position.y *= -1;
	position += _get_screens_origin();
	position /= screen_get_max_scale();

	// Remove titlebar / window border size.
	const NSRect contentRect = [wd.window_view frame];
	const NSRect windowRect = [wd.window_object frame];
	const NSRect nsrect = [wd.window_object convertRectToScreen:contentRect];
	Point2i offset;
	offset.x = (nsrect.origin.x - windowRect.origin.x);
	offset.y = (nsrect.origin.y + nsrect.size.height);
	offset.y -= (windowRect.origin.y + windowRect.size.height);

	[wd.window_object setFrameTopLeftPoint:NSMakePoint(position.x - offset.x, position.y - offset.y)];

	_update_window_style(wd);
	update_mouse_pos(wd, [wd.window_object mouseLocationOutsideOfEventStream]);
}

void DisplayServerMacOS::window_set_transient(WindowID p_window, WindowID p_parent) {
	_THREAD_SAFE_METHOD_
	ERR_FAIL_COND(p_window == p_parent);

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd_window = windows[p_window];

	ERR_FAIL_COND(wd_window.transient_parent == p_parent);

	ERR_FAIL_COND_MSG(wd_window.on_top, "Windows with the 'on top' can't become transient.");
	if (p_parent == INVALID_WINDOW_ID) {
		// Remove transient.
		ERR_FAIL_COND(wd_window.transient_parent == INVALID_WINDOW_ID);
		ERR_FAIL_COND(!windows.has(wd_window.transient_parent));

		WindowData &wd_parent = windows[wd_window.transient_parent];

		wd_window.transient_parent = INVALID_WINDOW_ID;
		wd_parent.transient_children.erase(p_window);
		[wd_window.window_object setCollectionBehavior:NSWindowCollectionBehaviorFullScreenPrimary];

		if (wd_window.exclusive) {
			[wd_parent.window_object removeChildWindow:wd_window.window_object];
		}
	} else {
		ERR_FAIL_COND(!windows.has(p_parent));
		ERR_FAIL_COND_MSG(wd_window.transient_parent != INVALID_WINDOW_ID, "Window already has a transient parent");
		WindowData &wd_parent = windows[p_parent];

		wd_window.transient_parent = p_parent;
		wd_parent.transient_children.insert(p_window);
		[wd_window.window_object setCollectionBehavior:NSWindowCollectionBehaviorFullScreenAuxiliary];

		if (wd_window.exclusive) {
			[wd_parent.window_object addChildWindow:wd_window.window_object ordered:NSWindowAbove];
		}
	}
}

void DisplayServerMacOS::window_set_max_size(const Size2i p_size, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];

	if ((p_size != Size2i()) && ((p_size.x < wd.min_size.x) || (p_size.y < wd.min_size.y))) {
		ERR_PRINT("Maximum window size can't be smaller than minimum window size!");
		return;
	}
	wd.max_size = p_size;

	if ((wd.max_size != Size2i()) && !wd.fullscreen) {
		Size2i size = wd.max_size / screen_get_max_scale();
		[wd.window_object setContentMaxSize:NSMakeSize(size.x, size.y)];
	} else {
		[wd.window_object setContentMaxSize:NSMakeSize(FLT_MAX, FLT_MAX)];
	}
}

Size2i DisplayServerMacOS::window_get_max_size(WindowID p_window) const {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND_V(!windows.has(p_window), Size2i());
	const WindowData &wd = windows[p_window];
	return wd.max_size;
}

void DisplayServerMacOS::window_set_min_size(const Size2i p_size, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];

	if ((p_size != Size2i()) && (wd.max_size != Size2i()) && ((p_size.x > wd.max_size.x) || (p_size.y > wd.max_size.y))) {
		ERR_PRINT("Minimum window size can't be larger than maximum window size!");
		return;
	}
	wd.min_size = p_size;

	if ((wd.min_size != Size2i()) && !wd.fullscreen) {
		Size2i size = wd.min_size / screen_get_max_scale();
		[wd.window_object setContentMinSize:NSMakeSize(size.x, size.y)];
	} else {
		[wd.window_object setContentMinSize:NSMakeSize(0, 0)];
	}
}

Size2i DisplayServerMacOS::window_get_min_size(WindowID p_window) const {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND_V(!windows.has(p_window), Size2i());
	const WindowData &wd = windows[p_window];

	return wd.min_size;
}

void DisplayServerMacOS::window_set_size(const Size2i p_size, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];

	if ([wd.window_object isZoomed]) {
		return;
	}

	Size2i size = p_size / screen_get_max_scale();

	NSPoint top_left;
	NSRect old_frame = [wd.window_object frame];
	top_left.x = old_frame.origin.x;
	top_left.y = NSMaxY(old_frame);

	NSRect new_frame = NSMakeRect(0, 0, size.x, size.y);
	new_frame = [wd.window_object frameRectForContentRect:new_frame];

	new_frame.origin.x = top_left.x;
	new_frame.origin.y = top_left.y - new_frame.size.height;

	[wd.window_object setFrame:new_frame display:YES];

	_update_window_style(wd);
}

Size2i DisplayServerMacOS::window_get_size(WindowID p_window) const {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND_V(!windows.has(p_window), Size2i());
	const WindowData &wd = windows[p_window];
	return wd.size;
}

Size2i DisplayServerMacOS::window_get_real_size(WindowID p_window) const {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND_V(!windows.has(p_window), Size2i());
	const WindowData &wd = windows[p_window];
	NSRect frame = [wd.window_object frame];
	return Size2i(frame.size.width, frame.size.height) * screen_get_max_scale();
}

void DisplayServerMacOS::window_set_mode(WindowMode p_mode, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];

	WindowMode old_mode = window_get_mode(p_window);
	if (old_mode == p_mode) {
		return; // Do nothing.
	}

	switch (old_mode) {
		case WINDOW_MODE_WINDOWED: {
			// Do nothing.
		} break;
		case WINDOW_MODE_MINIMIZED: {
			[wd.window_object deminiaturize:nil];
		} break;
		case WINDOW_MODE_EXCLUSIVE_FULLSCREEN:
		case WINDOW_MODE_FULLSCREEN: {
			[(NSWindow *)wd.window_object setLevel:NSNormalWindowLevel];
			_set_window_per_pixel_transparency_enabled(true, p_window);
			if (wd.resize_disabled) { // Restore resize disabled.
				[wd.window_object setStyleMask:[wd.window_object styleMask] & ~NSWindowStyleMaskResizable];
			}
			if (wd.min_size != Size2i()) {
				Size2i size = wd.min_size / screen_get_max_scale();
				[wd.window_object setContentMinSize:NSMakeSize(size.x, size.y)];
			}
			if (wd.max_size != Size2i()) {
				Size2i size = wd.max_size / screen_get_max_scale();
				[wd.window_object setContentMaxSize:NSMakeSize(size.x, size.y)];
			}
			[wd.window_object toggleFullScreen:nil];
			wd.fullscreen = false;
		} break;
		case WINDOW_MODE_MAXIMIZED: {
			if ([wd.window_object isZoomed]) {
				[wd.window_object zoom:nil];
			}
		} break;
	}

	switch (p_mode) {
		case WINDOW_MODE_WINDOWED: {
			// Do nothing.
		} break;
		case WINDOW_MODE_MINIMIZED: {
			[wd.window_object performMiniaturize:nil];
		} break;
		case WINDOW_MODE_EXCLUSIVE_FULLSCREEN:
		case WINDOW_MODE_FULLSCREEN: {
			_set_window_per_pixel_transparency_enabled(false, p_window);
			if (wd.resize_disabled) { // Fullscreen window should be resizable to work.
				[wd.window_object setStyleMask:[wd.window_object styleMask] | NSWindowStyleMaskResizable];
			}
			[wd.window_object setContentMinSize:NSMakeSize(0, 0)];
			[wd.window_object setContentMaxSize:NSMakeSize(FLT_MAX, FLT_MAX)];
			[wd.window_object toggleFullScreen:nil];
			wd.fullscreen = true;
		} break;
		case WINDOW_MODE_MAXIMIZED: {
			if (![wd.window_object isZoomed]) {
				[wd.window_object zoom:nil];
			}
		} break;
	}
}

DisplayServer::WindowMode DisplayServerMacOS::window_get_mode(WindowID p_window) const {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND_V(!windows.has(p_window), WINDOW_MODE_WINDOWED);
	const WindowData &wd = windows[p_window];

	if (wd.fullscreen) { // If fullscreen, it's not in another mode.
		return WINDOW_MODE_FULLSCREEN;
	}
	if ([wd.window_object isZoomed] && !wd.resize_disabled) {
		return WINDOW_MODE_MAXIMIZED;
	}
	if ([wd.window_object respondsToSelector:@selector(isMiniaturized)]) {
		if ([wd.window_object isMiniaturized]) {
			return WINDOW_MODE_MINIMIZED;
		}
	}

	// All other discarded, return windowed.
	return WINDOW_MODE_WINDOWED;
}

bool DisplayServerMacOS::window_is_maximize_allowed(WindowID p_window) const {
	return true;
}

bool DisplayServerMacOS::window_maximize_on_title_dbl_click() const {
	id value = [[NSUserDefaults standardUserDefaults] objectForKey:@"AppleActionOnDoubleClick"];
	if ([value isKindOfClass:[NSString class]]) {
		return [value isEqualToString:@"Maximize"];
	}
	return false;
}

bool DisplayServerMacOS::window_minimize_on_title_dbl_click() const {
	id value = [[NSUserDefaults standardUserDefaults] objectForKey:@"AppleActionOnDoubleClick"];
	if ([value isKindOfClass:[NSString class]]) {
		return [value isEqualToString:@"Minimize"];
	}
	return false;
}

void DisplayServerMacOS::window_set_window_buttons_offset(const Vector2i &p_offset, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];
	float scale = screen_get_max_scale();
	wd.wb_offset = p_offset / scale;
	wd.wb_offset.x = MAX(wd.wb_offset.x, 12);
	wd.wb_offset.y = MAX(wd.wb_offset.y, 12);
	if (wd.window_button_view) {
		[wd.window_button_view setOffset:NSMakePoint(wd.wb_offset.x, wd.wb_offset.y)];
	}
}

Vector3i DisplayServerMacOS::window_get_safe_title_margins(WindowID p_window) const {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND_V(!windows.has(p_window), Vector3i());
	const WindowData &wd = windows[p_window];

	if (!wd.window_button_view) {
		return Vector3i();
	}

	float scale = screen_get_max_scale();
	float max_x = [wd.window_button_view getOffset].x + [wd.window_button_view frame].size.width;
	float max_y = [wd.window_button_view getOffset].y + [wd.window_button_view frame].size.height;

	if ([wd.window_object windowTitlebarLayoutDirection] == NSUserInterfaceLayoutDirectionRightToLeft) {
		return Vector3i(0, max_x * scale, max_y * scale);
	} else {
		return Vector3i(max_x * scale, 0, max_y * scale);
	}
}

void DisplayServerMacOS::window_set_custom_window_buttons(WindowData &p_wd, bool p_enabled) {
	if (p_wd.window_button_view) {
		[p_wd.window_button_view removeFromSuperview];
		p_wd.window_button_view = nil;
	}
	if (p_enabled) {
		float cb_frame = NSMinX([[p_wd.window_object standardWindowButton:NSWindowCloseButton] frame]);
		float mb_frame = NSMinX([[p_wd.window_object standardWindowButton:NSWindowMiniaturizeButton] frame]);
		bool is_rtl = ([p_wd.window_object windowTitlebarLayoutDirection] == NSUserInterfaceLayoutDirectionRightToLeft);

		float window_buttons_spacing = (is_rtl) ? (cb_frame - mb_frame) : (mb_frame - cb_frame);

		[p_wd.window_object setTitleVisibility:NSWindowTitleHidden];
		[[p_wd.window_object standardWindowButton:NSWindowZoomButton] setHidden:YES];
		[[p_wd.window_object standardWindowButton:NSWindowMiniaturizeButton] setHidden:YES];
		[[p_wd.window_object standardWindowButton:NSWindowCloseButton] setHidden:YES];

		p_wd.window_button_view = [[GodotButtonView alloc] initWithFrame:NSZeroRect];
		[p_wd.window_button_view initButtons:window_buttons_spacing offset:NSMakePoint(p_wd.wb_offset.x, p_wd.wb_offset.y) rtl:is_rtl];
		[p_wd.window_view addSubview:p_wd.window_button_view];
	} else {
		[p_wd.window_object setTitleVisibility:NSWindowTitleVisible];
		[[p_wd.window_object standardWindowButton:NSWindowZoomButton] setHidden:NO];
		[[p_wd.window_object standardWindowButton:NSWindowMiniaturizeButton] setHidden:NO];
		[[p_wd.window_object standardWindowButton:NSWindowCloseButton] setHidden:NO];
	}
}

void DisplayServerMacOS::window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];

	switch (p_flag) {
		case WINDOW_FLAG_RESIZE_DISABLED: {
			wd.resize_disabled = p_enabled;
			if (wd.fullscreen) { // Fullscreen window should be resizable, style will be applied on exiting fullscreen.
				return;
			}
			if (p_enabled) {
				[wd.window_object setStyleMask:[wd.window_object styleMask] & ~NSWindowStyleMaskResizable];
			} else {
				[wd.window_object setStyleMask:[wd.window_object styleMask] | NSWindowStyleMaskResizable];
			}
		} break;
		case WINDOW_FLAG_EXTEND_TO_TITLE: {
			NSRect rect = [wd.window_object frame];
			if (p_enabled) {
				[wd.window_object setTitlebarAppearsTransparent:YES];
				[wd.window_object setStyleMask:[wd.window_object styleMask] | NSWindowStyleMaskFullSizeContentView];

				if (!wd.fullscreen) {
					window_set_custom_window_buttons(wd, true);
				}
			} else {
				[wd.window_object setTitlebarAppearsTransparent:NO];
				[wd.window_object setStyleMask:[wd.window_object styleMask] & ~NSWindowStyleMaskFullSizeContentView];

				if (!wd.fullscreen) {
					window_set_custom_window_buttons(wd, false);
				}
			}
			[wd.window_object setFrame:rect display:YES];
			send_window_event(wd, DisplayServerMacOS::WINDOW_EVENT_TITLEBAR_CHANGE);
		} break;
		case WINDOW_FLAG_BORDERLESS: {
			// OrderOut prevents a lose focus bug with the window.
			if ([wd.window_object isVisible]) {
				[wd.window_object orderOut:nil];
			}
			wd.borderless = p_enabled;
			if (p_enabled) {
				[wd.window_object setStyleMask:NSWindowStyleMaskBorderless];
			} else {
				_set_window_per_pixel_transparency_enabled(false, p_window);
				[wd.window_object setStyleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskMiniaturizable | (wd.resize_disabled ? 0 : NSWindowStyleMaskResizable)];
				// Force update of the window styles.
				NSRect frameRect = [wd.window_object frame];
				[wd.window_object setFrame:NSMakeRect(frameRect.origin.x, frameRect.origin.y, frameRect.size.width + 1, frameRect.size.height) display:NO];
				[wd.window_object setFrame:frameRect display:NO];
			}
			_update_window_style(wd);
			if ([wd.window_object isVisible]) {
				if ([wd.window_object isMiniaturized]) {
					return;
				} else if (wd.no_focus || wd.is_popup) {
					[wd.window_object orderFront:nil];
				} else {
					[wd.window_object makeKeyAndOrderFront:nil];
				}
			}
		} break;
		case WINDOW_FLAG_ALWAYS_ON_TOP: {
			wd.on_top = p_enabled;
			if (wd.fullscreen) {
				return;
			}
			if (p_enabled) {
				[(NSWindow *)wd.window_object setLevel:NSFloatingWindowLevel];
			} else {
				[(NSWindow *)wd.window_object setLevel:NSNormalWindowLevel];
			}
		} break;
		case WINDOW_FLAG_TRANSPARENT: {
			if (p_enabled) {
				[wd.window_object setStyleMask:NSWindowStyleMaskBorderless]; // Force borderless.
			} else if (!wd.borderless) {
				[wd.window_object setStyleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskMiniaturizable | (wd.resize_disabled ? 0 : NSWindowStyleMaskResizable)];
			}
			_set_window_per_pixel_transparency_enabled(p_enabled, p_window);
		} break;
		case WINDOW_FLAG_NO_FOCUS: {
			wd.no_focus = p_enabled;
		} break;
		case WINDOW_FLAG_POPUP: {
			ERR_FAIL_COND_MSG(p_window == MAIN_WINDOW_ID, "Main window can't be popup.");
			ERR_FAIL_COND_MSG([wd.window_object isVisible] && (wd.is_popup != p_enabled), "Popup flag can't changed while window is opened.");
			wd.is_popup = p_enabled;
		} break;
		default: {
		}
	}
}

bool DisplayServerMacOS::window_get_flag(WindowFlags p_flag, WindowID p_window) const {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND_V(!windows.has(p_window), false);
	const WindowData &wd = windows[p_window];

	switch (p_flag) {
		case WINDOW_FLAG_RESIZE_DISABLED: {
			return wd.resize_disabled;
		} break;
		case WINDOW_FLAG_EXTEND_TO_TITLE: {
			return [wd.window_object styleMask] & NSWindowStyleMaskFullSizeContentView;
		} break;
		case WINDOW_FLAG_BORDERLESS: {
			return [wd.window_object styleMask] == NSWindowStyleMaskBorderless;
		} break;
		case WINDOW_FLAG_ALWAYS_ON_TOP: {
			if (wd.fullscreen) {
				return wd.on_top;
			} else {
				return [(NSWindow *)wd.window_object level] == NSFloatingWindowLevel;
			}
		} break;
		case WINDOW_FLAG_TRANSPARENT: {
			return wd.layered_window;
		} break;
		case WINDOW_FLAG_NO_FOCUS: {
			return wd.no_focus;
		} break;
		case WINDOW_FLAG_POPUP: {
			return wd.is_popup;
		} break;
		default: {
		}
	}

	return false;
}

void DisplayServerMacOS::window_request_attention(WindowID p_window) {
	// It's app global, ignore window id.
	[NSApp requestUserAttention:NSCriticalRequest];
}

void DisplayServerMacOS::window_move_to_foreground(WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	const WindowData &wd = windows[p_window];

	[[NSApplication sharedApplication] activateIgnoringOtherApps:YES];
	if (wd.no_focus || wd.is_popup) {
		[wd.window_object orderFront:nil];
	} else {
		[wd.window_object makeKeyAndOrderFront:nil];
	}
}

bool DisplayServerMacOS::window_can_draw(WindowID p_window) const {
	return window_get_mode(p_window) != WINDOW_MODE_MINIMIZED;
}

bool DisplayServerMacOS::can_any_window_draw() const {
	_THREAD_SAFE_METHOD_

	for (const KeyValue<WindowID, WindowData> &E : windows) {
		if (window_get_mode(E.key) != WINDOW_MODE_MINIMIZED) {
			return true;
		}
	}
	return false;
}

void DisplayServerMacOS::window_set_ime_active(const bool p_active, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];

	wd.im_active = p_active;

	if (!p_active) {
		[wd.window_view cancelComposition];
	}
}

void DisplayServerMacOS::window_set_ime_position(const Point2i &p_pos, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];

	wd.im_position = p_pos;
}

DisplayServer::WindowID DisplayServerMacOS::get_window_at_screen_position(const Point2i &p_position) const {
	Point2i position = p_position;
	position.y *= -1;
	position += _get_screens_origin();
	position /= screen_get_max_scale();

	NSInteger wnum = [NSWindow windowNumberAtPoint:NSMakePoint(position.x, position.y) belowWindowWithWindowNumber:0 /*topmost*/];
	for (const KeyValue<WindowID, WindowData> &E : windows) {
		if ([E.value.window_object windowNumber] == wnum) {
			return E.key;
		}
	}
	return INVALID_WINDOW_ID;
}

int64_t DisplayServerMacOS::window_get_native_handle(HandleType p_handle_type, WindowID p_window) const {
	ERR_FAIL_COND_V(!windows.has(p_window), 0);
	switch (p_handle_type) {
		case DISPLAY_HANDLE: {
			return 0; // Not supported.
		}
		case WINDOW_HANDLE: {
			return (int64_t)windows[p_window].window_object;
		}
		case WINDOW_VIEW: {
			return (int64_t)windows[p_window].window_view;
		}
		default: {
			return 0;
		}
	}
}

void DisplayServerMacOS::window_attach_instance_id(ObjectID p_instance, WindowID p_window) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	windows[p_window].instance_id = p_instance;
}

ObjectID DisplayServerMacOS::window_get_attached_instance_id(WindowID p_window) const {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND_V(!windows.has(p_window), ObjectID());
	return windows[p_window].instance_id;
}

void DisplayServerMacOS::gl_window_make_current(DisplayServer::WindowID p_window_id) {
#if defined(GLES3_ENABLED)
	gl_manager->window_make_current(p_window_id);
#endif
}

void DisplayServerMacOS::window_set_vsync_mode(DisplayServer::VSyncMode p_vsync_mode, WindowID p_window) {
	_THREAD_SAFE_METHOD_
#if defined(GLES3_ENABLED)
	if (gl_manager) {
		gl_manager->set_use_vsync(p_vsync_mode);
	}
#endif
#if defined(VULKAN_ENABLED)
	if (context_vulkan) {
		context_vulkan->set_vsync_mode(p_window, p_vsync_mode);
	}
#endif
}

DisplayServer::VSyncMode DisplayServerMacOS::window_get_vsync_mode(WindowID p_window) const {
	_THREAD_SAFE_METHOD_
#if defined(GLES3_ENABLED)
	if (gl_manager) {
		return (gl_manager->is_using_vsync() ? DisplayServer::VSyncMode::VSYNC_ENABLED : DisplayServer::VSyncMode::VSYNC_DISABLED);
	}
#endif
#if defined(VULKAN_ENABLED)
	if (context_vulkan) {
		return context_vulkan->get_vsync_mode(p_window);
	}
#endif
	return DisplayServer::VSYNC_ENABLED;
}

Point2i DisplayServerMacOS::ime_get_selection() const {
	return im_selection;
}

String DisplayServerMacOS::ime_get_text() const {
	return im_text;
}

void DisplayServerMacOS::cursor_update_shape() {
	_THREAD_SAFE_METHOD_

	if (cursors[cursor_shape] != nullptr) {
		[cursors[cursor_shape] set];
	} else {
		switch (cursor_shape) {
			case CURSOR_ARROW:
				[[NSCursor arrowCursor] set];
				break;
			case CURSOR_IBEAM:
				[[NSCursor IBeamCursor] set];
				break;
			case CURSOR_POINTING_HAND:
				[[NSCursor pointingHandCursor] set];
				break;
			case CURSOR_CROSS:
				[[NSCursor crosshairCursor] set];
				break;
			case CURSOR_WAIT:
				[[NSCursor arrowCursor] set];
				break;
			case CURSOR_BUSY:
				[[NSCursor arrowCursor] set];
				break;
			case CURSOR_DRAG:
				[[NSCursor closedHandCursor] set];
				break;
			case CURSOR_CAN_DROP:
				[[NSCursor openHandCursor] set];
				break;
			case CURSOR_FORBIDDEN:
				[[NSCursor operationNotAllowedCursor] set];
				break;
			case CURSOR_VSIZE:
				[_cursor_from_selector(@selector(_windowResizeNorthSouthCursor), @selector(resizeUpDownCursor)) set];
				break;
			case CURSOR_HSIZE:
				[_cursor_from_selector(@selector(_windowResizeEastWestCursor), @selector(resizeLeftRightCursor)) set];
				break;
			case CURSOR_BDIAGSIZE:
				[_cursor_from_selector(@selector(_windowResizeNorthEastSouthWestCursor)) set];
				break;
			case CURSOR_FDIAGSIZE:
				[_cursor_from_selector(@selector(_windowResizeNorthWestSouthEastCursor)) set];
				break;
			case CURSOR_MOVE:
				[[NSCursor arrowCursor] set];
				break;
			case CURSOR_VSPLIT:
				[[NSCursor resizeUpDownCursor] set];
				break;
			case CURSOR_HSPLIT:
				[[NSCursor resizeLeftRightCursor] set];
				break;
			case CURSOR_HELP:
				[_cursor_from_selector(@selector(_helpCursor)) set];
				break;
			default: {
			}
		}
	}
}

void DisplayServerMacOS::cursor_set_shape(CursorShape p_shape) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_INDEX(p_shape, CURSOR_MAX);

	if (cursor_shape == p_shape) {
		return;
	}

	cursor_shape = p_shape;

	if (mouse_mode != MOUSE_MODE_VISIBLE && mouse_mode != MOUSE_MODE_CONFINED) {
		return;
	}

	cursor_update_shape();
}

DisplayServerMacOS::CursorShape DisplayServerMacOS::cursor_get_shape() const {
	return cursor_shape;
}

void DisplayServerMacOS::cursor_set_custom_image(const Ref<Resource> &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) {
	_THREAD_SAFE_METHOD_

	if (p_cursor.is_valid()) {
		HashMap<CursorShape, Vector<Variant>>::Iterator cursor_c = cursors_cache.find(p_shape);

		if (cursor_c) {
			if (cursor_c->value[0] == p_cursor && cursor_c->value[1] == p_hotspot) {
				cursor_set_shape(p_shape);
				return;
			}
			cursors_cache.erase(p_shape);
		}

		Ref<Texture2D> texture = p_cursor;
		Ref<AtlasTexture> atlas_texture = p_cursor;
		Ref<Image> image;
		Size2 texture_size;
		Rect2 atlas_rect;

		if (texture.is_valid()) {
			image = texture->get_image();
		}

		if (!image.is_valid() && atlas_texture.is_valid()) {
			texture = atlas_texture->get_atlas();

			atlas_rect.size.width = texture->get_width();
			atlas_rect.size.height = texture->get_height();
			atlas_rect.position.x = atlas_texture->get_region().position.x;
			atlas_rect.position.y = atlas_texture->get_region().position.y;

			texture_size.width = atlas_texture->get_region().size.x;
			texture_size.height = atlas_texture->get_region().size.y;
		} else if (image.is_valid()) {
			texture_size.width = texture->get_width();
			texture_size.height = texture->get_height();
		}

		ERR_FAIL_COND(!texture.is_valid());
		ERR_FAIL_COND(p_hotspot.x < 0 || p_hotspot.y < 0);
		ERR_FAIL_COND(texture_size.width > 256 || texture_size.height > 256);
		ERR_FAIL_COND(p_hotspot.x > texture_size.width || p_hotspot.y > texture_size.height);

		image = texture->get_image();

		ERR_FAIL_COND(!image.is_valid());

		NSBitmapImageRep *imgrep = [[NSBitmapImageRep alloc]
				initWithBitmapDataPlanes:nullptr
							  pixelsWide:int(texture_size.width)
							  pixelsHigh:int(texture_size.height)
						   bitsPerSample:8
						 samplesPerPixel:4
								hasAlpha:YES
								isPlanar:NO
						  colorSpaceName:NSDeviceRGBColorSpace
							 bytesPerRow:int(texture_size.width) * 4
							bitsPerPixel:32];

		ERR_FAIL_COND(imgrep == nil);
		uint8_t *pixels = [imgrep bitmapData];

		int len = int(texture_size.width * texture_size.height);

		for (int i = 0; i < len; i++) {
			int row_index = floor(i / texture_size.width) + atlas_rect.position.y;
			int column_index = (i % int(texture_size.width)) + atlas_rect.position.x;

			if (atlas_texture.is_valid()) {
				column_index = MIN(column_index, atlas_rect.size.width - 1);
				row_index = MIN(row_index, atlas_rect.size.height - 1);
			}

			uint32_t color = image->get_pixel(column_index, row_index).to_argb32();

			uint8_t alpha = (color >> 24) & 0xFF;
			pixels[i * 4 + 0] = ((color >> 16) & 0xFF) * alpha / 255;
			pixels[i * 4 + 1] = ((color >> 8) & 0xFF) * alpha / 255;
			pixels[i * 4 + 2] = ((color)&0xFF) * alpha / 255;
			pixels[i * 4 + 3] = alpha;
		}

		NSImage *nsimage = [[NSImage alloc] initWithSize:NSMakeSize(texture_size.width, texture_size.height)];
		[nsimage addRepresentation:imgrep];

		NSCursor *cursor = [[NSCursor alloc] initWithImage:nsimage hotSpot:NSMakePoint(p_hotspot.x, p_hotspot.y)];

		cursors[p_shape] = cursor;

		Vector<Variant> params;
		params.push_back(p_cursor);
		params.push_back(p_hotspot);
		cursors_cache.insert(p_shape, params);

		if (p_shape == cursor_shape) {
			if (mouse_mode == MOUSE_MODE_VISIBLE || mouse_mode == MOUSE_MODE_CONFINED) {
				[cursor set];
			}
		}
	} else {
		// Reset to default system cursor.
		if (cursors[p_shape] != nullptr) {
			cursors[p_shape] = nullptr;
		}

		cursor_update_shape();

		cursors_cache.erase(p_shape);
	}
}

bool DisplayServerMacOS::get_swap_cancel_ok() {
	return false;
}

int DisplayServerMacOS::keyboard_get_layout_count() const {
	if (keyboard_layout_dirty) {
		const_cast<DisplayServerMacOS *>(this)->_update_keyboard_layouts();
	}
	return kbd_layouts.size();
}

void DisplayServerMacOS::keyboard_set_current_layout(int p_index) {
	if (keyboard_layout_dirty) {
		const_cast<DisplayServerMacOS *>(this)->_update_keyboard_layouts();
	}

	ERR_FAIL_INDEX(p_index, kbd_layouts.size());

	NSString *cur_name = [NSString stringWithUTF8String:kbd_layouts[p_index].name.utf8().get_data()];

	NSDictionary *filter_kbd = @{ (NSString *)kTISPropertyInputSourceType : (NSString *)kTISTypeKeyboardLayout };
	NSArray *list_kbd = (__bridge NSArray *)TISCreateInputSourceList((__bridge CFDictionaryRef)filter_kbd, false);
	for (NSUInteger i = 0; i < [list_kbd count]; i++) {
		NSString *name = (__bridge NSString *)TISGetInputSourceProperty((__bridge TISInputSourceRef)[list_kbd objectAtIndex:i], kTISPropertyLocalizedName);
		if ([name isEqualToString:cur_name]) {
			TISSelectInputSource((__bridge TISInputSourceRef)[list_kbd objectAtIndex:i]);
			break;
		}
	}

	NSDictionary *filter_ime = @{ (NSString *)kTISPropertyInputSourceType : (NSString *)kTISTypeKeyboardInputMode };
	NSArray *list_ime = (__bridge NSArray *)TISCreateInputSourceList((__bridge CFDictionaryRef)filter_ime, false);
	for (NSUInteger i = 0; i < [list_ime count]; i++) {
		NSString *name = (__bridge NSString *)TISGetInputSourceProperty((__bridge TISInputSourceRef)[list_ime objectAtIndex:i], kTISPropertyLocalizedName);
		if ([name isEqualToString:cur_name]) {
			TISSelectInputSource((__bridge TISInputSourceRef)[list_ime objectAtIndex:i]);
			break;
		}
	}
}

int DisplayServerMacOS::keyboard_get_current_layout() const {
	if (keyboard_layout_dirty) {
		const_cast<DisplayServerMacOS *>(this)->_update_keyboard_layouts();
	}

	return current_layout;
}

String DisplayServerMacOS::keyboard_get_layout_language(int p_index) const {
	if (keyboard_layout_dirty) {
		const_cast<DisplayServerMacOS *>(this)->_update_keyboard_layouts();
	}

	ERR_FAIL_INDEX_V(p_index, kbd_layouts.size(), "");
	return kbd_layouts[p_index].code;
}

String DisplayServerMacOS::keyboard_get_layout_name(int p_index) const {
	if (keyboard_layout_dirty) {
		const_cast<DisplayServerMacOS *>(this)->_update_keyboard_layouts();
	}

	ERR_FAIL_INDEX_V(p_index, kbd_layouts.size(), "");
	return kbd_layouts[p_index].name;
}

Key DisplayServerMacOS::keyboard_get_keycode_from_physical(Key p_keycode) const {
	if (p_keycode == Key::PAUSE) {
		return p_keycode;
	}

	Key modifiers = p_keycode & KeyModifierMask::MODIFIER_MASK;
	Key keycode_no_mod = p_keycode & KeyModifierMask::CODE_MASK;
	unsigned int macos_keycode = KeyMappingMacOS::unmap_key((Key)keycode_no_mod);
	return (Key)(KeyMappingMacOS::remap_key(macos_keycode, 0) | modifiers);
}

void DisplayServerMacOS::process_events() {
	_THREAD_SAFE_METHOD_

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

		if (event == nil) {
			break;
		}

		[NSApp sendEvent:event];
	}

	// Process "menu_callback"s.
	for (MenuCall &E : deferred_menu_calls) {
		Variant tag = E.tag;
		Variant *tagp = &tag;
		Variant ret;
		Callable::CallError ce;
		E.callback.callp((const Variant **)&tagp, 1, ret, ce);
	}
	deferred_menu_calls.clear();

	if (!drop_events) {
		_process_key_events();
		Input::get_singleton()->flush_buffered_events();
	}

	for (KeyValue<WindowID, WindowData> &E : windows) {
		WindowData &wd = E.value;
		if (wd.mpath.size() > 0) {
			update_mouse_pos(wd, [wd.window_object mouseLocationOutsideOfEventStream]);
			if (Geometry2D::is_point_in_polygon(wd.mouse_pos, wd.mpath)) {
				if ([wd.window_object ignoresMouseEvents]) {
					[wd.window_object setIgnoresMouseEvents:NO];
				}
			} else {
				if (![wd.window_object ignoresMouseEvents]) {
					[wd.window_object setIgnoresMouseEvents:YES];
				}
			}
		} else {
			if ([wd.window_object ignoresMouseEvents]) {
				[wd.window_object setIgnoresMouseEvents:NO];
			}
		}
	}
}

void DisplayServerMacOS::force_process_and_drop_events() {
	_THREAD_SAFE_METHOD_

	drop_events = true;
	process_events();
	drop_events = false;
}

void DisplayServerMacOS::release_rendering_thread() {
}

void DisplayServerMacOS::make_rendering_thread() {
}

void DisplayServerMacOS::swap_buffers() {
#if defined(GLES3_ENABLED)
	if (gl_manager) {
		gl_manager->swap_buffers();
	}
#endif
}

void DisplayServerMacOS::set_native_icon(const String &p_filename) {
	_THREAD_SAFE_METHOD_

	Ref<FileAccess> f = FileAccess::open(p_filename, FileAccess::READ);
	ERR_FAIL_COND(f.is_null());

	Vector<uint8_t> data;
	uint64_t len = f->get_length();
	data.resize(len);
	f->get_buffer((uint8_t *)&data.write[0], len);

	NSData *icon_data = [[NSData alloc] initWithBytes:&data.write[0] length:len];
	ERR_FAIL_COND_MSG(!icon_data, "Error reading icon data.");

	NSImage *icon = [[NSImage alloc] initWithData:icon_data];
	ERR_FAIL_COND_MSG(!icon, "Error loading icon.");

	[NSApp setApplicationIconImage:icon];
}

void DisplayServerMacOS::set_icon(const Ref<Image> &p_icon) {
	_THREAD_SAFE_METHOD_

	Ref<Image> img = p_icon;
	img = img->duplicate();
	img->convert(Image::FORMAT_RGBA8);
	NSBitmapImageRep *imgrep = [[NSBitmapImageRep alloc]
			initWithBitmapDataPlanes:nullptr
						  pixelsWide:img->get_width()
						  pixelsHigh:img->get_height()
					   bitsPerSample:8
					 samplesPerPixel:4
							hasAlpha:YES
							isPlanar:NO
					  colorSpaceName:NSDeviceRGBColorSpace
						 bytesPerRow:img->get_width() * 4
						bitsPerPixel:32];
	ERR_FAIL_COND(imgrep == nil);
	uint8_t *pixels = [imgrep bitmapData];

	int len = img->get_width() * img->get_height();
	const uint8_t *r = img->get_data().ptr();

	/* Premultiply the alpha channel */
	for (int i = 0; i < len; i++) {
		uint8_t alpha = r[i * 4 + 3];
		pixels[i * 4 + 0] = (uint8_t)(((uint16_t)r[i * 4 + 0] * alpha) / 255);
		pixels[i * 4 + 1] = (uint8_t)(((uint16_t)r[i * 4 + 1] * alpha) / 255);
		pixels[i * 4 + 2] = (uint8_t)(((uint16_t)r[i * 4 + 2] * alpha) / 255);
		pixels[i * 4 + 3] = alpha;
	}

	NSImage *nsimg = [[NSImage alloc] initWithSize:NSMakeSize(img->get_width(), img->get_height())];
	ERR_FAIL_COND(nsimg == nil);

	[nsimg addRepresentation:imgrep];
	[NSApp setApplicationIconImage:nsimg];
}

DisplayServer *DisplayServerMacOS::create_func(const String &p_rendering_driver, WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i *p_position, const Vector2i &p_resolution, Error &r_error) {
	DisplayServer *ds = memnew(DisplayServerMacOS(p_rendering_driver, p_mode, p_vsync_mode, p_flags, p_position, p_resolution, r_error));
	if (r_error != OK) {
		if (p_rendering_driver == "vulkan") {
			String executable_command;
			if (OS::get_singleton()->get_bundle_resource_dir() == OS::get_singleton()->get_executable_path().get_base_dir()) {
				executable_command = vformat("%s --rendering-driver opengl3", OS::get_singleton()->get_executable_path());
			} else {
				executable_command = vformat("open %s --args --rendering-driver opengl3", OS::get_singleton()->get_bundle_resource_dir().path_join("../..").simplify_path());
			}
			OS::get_singleton()->alert("Your video card driver does not support the selected Vulkan version.\n"
									   "Please try updating your GPU driver or try using the OpenGL 3 driver.\n"
									   "You can enable the OpenGL 3 driver by starting the engine from the\n"
									   "command line with the command: '" +
							executable_command + "'.\n"
												 "If you have updated your graphics drivers recently, try rebooting.",
					"Unable to initialize Video driver");
		} else {
			OS::get_singleton()->alert("Your video card driver does not support the selected OpenGL version.\n"
									   "Please try updating your GPU driver.\n"
									   "If you have updated your graphics drivers recently, try rebooting.",
					"Unable to initialize Video driver");
		}
	}
	return ds;
}

Vector<String> DisplayServerMacOS::get_rendering_drivers_func() {
	Vector<String> drivers;

#if defined(VULKAN_ENABLED)
	drivers.push_back("vulkan");
#endif
#if defined(GLES3_ENABLED)
	drivers.push_back("opengl3");
#endif

	return drivers;
}

void DisplayServerMacOS::register_macos_driver() {
	register_create_function("macos", create_func, get_rendering_drivers_func);
}

DisplayServer::WindowID DisplayServerMacOS::window_get_active_popup() const {
	const List<WindowID>::Element *E = popup_list.back();
	if (E) {
		return E->get();
	} else {
		return INVALID_WINDOW_ID;
	}
}

void DisplayServerMacOS::window_set_popup_safe_rect(WindowID p_window, const Rect2i &p_rect) {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND(!windows.has(p_window));
	WindowData &wd = windows[p_window];
	wd.parent_safe_rect = p_rect;
}

Rect2i DisplayServerMacOS::window_get_popup_safe_rect(WindowID p_window) const {
	_THREAD_SAFE_METHOD_

	ERR_FAIL_COND_V(!windows.has(p_window), Rect2i());
	const WindowData &wd = windows[p_window];
	return wd.parent_safe_rect;
}

void DisplayServerMacOS::popup_open(WindowID p_window) {
	_THREAD_SAFE_METHOD_

	WindowData &wd = windows[p_window];
	if (wd.is_popup) {
		bool was_empty = popup_list.is_empty();
		// Find current popup parent, or root popup if new window is not transient.
		List<WindowID>::Element *C = nullptr;
		List<WindowID>::Element *E = popup_list.back();
		while (E) {
			if (wd.transient_parent != E->get() || wd.transient_parent == INVALID_WINDOW_ID) {
				C = E;
				E = E->prev();
			} else {
				break;
			}
		}
		if (C) {
			send_window_event(windows[C->get()], DisplayServerMacOS::WINDOW_EVENT_CLOSE_REQUEST);
		}

		if (was_empty && popup_list.is_empty()) {
			// Inform OS that popup was opened, to close other native popups.
			[[NSDistributedNotificationCenter defaultCenter] postNotificationName:@"com.apple.HIToolbox.beginMenuTrackingNotification" object:@"org.godotengine.godot.popup_window"];
		}
		time_since_popup = OS::get_singleton()->get_ticks_msec();
		popup_list.push_back(p_window);
	}
}

void DisplayServerMacOS::popup_close(WindowID p_window) {
	_THREAD_SAFE_METHOD_

	bool was_empty = popup_list.is_empty();
	List<WindowID>::Element *E = popup_list.find(p_window);
	while (E) {
		List<WindowID>::Element *F = E->next();
		WindowID win_id = E->get();
		popup_list.erase(E);

		send_window_event(windows[win_id], DisplayServerMacOS::WINDOW_EVENT_CLOSE_REQUEST);
		E = F;
	}
	if (!was_empty && popup_list.is_empty()) {
		// Inform OS that all popups are closed.
		[[NSDistributedNotificationCenter defaultCenter] postNotificationName:@"com.apple.HIToolbox.endMenuTrackingNotification" object:@"org.godotengine.godot.popup_window"];
	}
}

bool DisplayServerMacOS::mouse_process_popups(bool p_close) {
	_THREAD_SAFE_METHOD_

	bool was_empty = popup_list.is_empty();
	bool closed = false;
	if (p_close) {
		// Close all popups.
		List<WindowID>::Element *E = popup_list.front();
		if (E) {
			send_window_event(windows[E->get()], DisplayServerMacOS::WINDOW_EVENT_CLOSE_REQUEST);
			closed = true;
		}
		if (!was_empty) {
			// Inform OS that all popups are closed.
			[[NSDistributedNotificationCenter defaultCenter] postNotificationName:@"com.apple.HIToolbox.endMenuTrackingNotification" object:@"org.godotengine.godot.popup_window"];
		}
	} else {
		uint64_t delta = OS::get_singleton()->get_ticks_msec() - time_since_popup;
		if (delta < 250) {
			return false;
		}

		Point2i pos = mouse_get_position();
		List<WindowID>::Element *C = nullptr;
		List<WindowID>::Element *E = popup_list.back();
		// Find top popup to close.
		while (E) {
			// Popup window area.
			Rect2i win_rect = Rect2i(window_get_position(E->get()), window_get_size(E->get()));
			// Area of the parent window, which responsible for opening sub-menu.
			Rect2i safe_rect = window_get_popup_safe_rect(E->get());
			if (win_rect.has_point(pos)) {
				break;
			} else if (safe_rect != Rect2i() && safe_rect.has_point(pos)) {
				break;
			} else {
				C = E;
				E = E->prev();
			}
		}
		if (C) {
			send_window_event(windows[C->get()], DisplayServerMacOS::WINDOW_EVENT_CLOSE_REQUEST);
			closed = true;
		}
		if (!was_empty && popup_list.is_empty()) {
			// Inform OS that all popups are closed.
			[[NSDistributedNotificationCenter defaultCenter] postNotificationName:@"com.apple.HIToolbox.endMenuTrackingNotification" object:@"org.godotengine.godot.popup_window"];
		}
	}
	return closed;
}

DisplayServerMacOS::DisplayServerMacOS(const String &p_rendering_driver, WindowMode p_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i *p_position, const Vector2i &p_resolution, Error &r_error) {
	Input::get_singleton()->set_event_dispatch_function(_dispatch_input_events);

	r_error = OK;

	memset(cursors, 0, sizeof(cursors));

	event_source = CGEventSourceCreate(kCGEventSourceStateHIDSystemState);
	ERR_FAIL_COND(!event_source);

	CGEventSourceSetLocalEventsSuppressionInterval(event_source, 0.0);

	int screen_count = get_screen_count();
	for (int i = 0; i < screen_count; i++) {
		display_max_scale = fmax(display_max_scale, screen_get_scale(i));
	}

	// Register to be notified on keyboard layout changes.
	CFNotificationCenterAddObserver(CFNotificationCenterGetDistributedCenter(),
			nullptr, _keyboard_layout_changed,
			kTISNotifySelectedKeyboardInputSourceChanged, nullptr,
			CFNotificationSuspensionBehaviorDeliverImmediately);

	// Register to be notified on displays arrangement changes.
	CGDisplayRegisterReconfigurationCallback(_displays_arrangement_changed, nullptr);

	// Init TTS
	tts = [[TTS_MacOS alloc] init];

	NSMenuItem *menu_item;
	NSString *title;

	NSString *nsappname = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleName"];
	if (nsappname == nil) {
		nsappname = [[NSProcessInfo processInfo] processName];
	}

	// Setup Dock menu.
	dock_menu = [[NSMenu alloc] initWithTitle:@"_dock"];
	[dock_menu setAutoenablesItems:NO];

	// Setup Apple menu.
	apple_menu = [[NSMenu alloc] initWithTitle:@""];
	title = [NSString stringWithFormat:NSLocalizedString(@"About %@", nil), nsappname];
	[apple_menu addItemWithTitle:title action:@selector(showAbout:) keyEquivalent:@""];
	[apple_menu setAutoenablesItems:NO];

	[apple_menu addItem:[NSMenuItem separatorItem]];

	NSMenu *services = [[NSMenu alloc] initWithTitle:@""];
	menu_item = [apple_menu addItemWithTitle:NSLocalizedString(@"Services", nil) action:nil keyEquivalent:@""];
	[apple_menu setSubmenu:services forItem:menu_item];
	[NSApp setServicesMenu:services];

	[apple_menu addItem:[NSMenuItem separatorItem]];

	title = [NSString stringWithFormat:NSLocalizedString(@"Hide %@", nil), nsappname];
	[apple_menu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];

	menu_item = [apple_menu addItemWithTitle:NSLocalizedString(@"Hide Others", nil) action:@selector(hideOtherApplications:) keyEquivalent:@"h"];
	[menu_item setKeyEquivalentModifierMask:(NSEventModifierFlagOption | NSEventModifierFlagCommand)];

	[apple_menu addItemWithTitle:NSLocalizedString(@"Show all", nil) action:@selector(unhideAllApplications:) keyEquivalent:@""];

	[apple_menu addItem:[NSMenuItem separatorItem]];

	title = [NSString stringWithFormat:NSLocalizedString(@"Quit %@", nil), nsappname];
	[apple_menu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];

	// Add items to the menu bar.
	NSMenu *main_menu = [NSApp mainMenu];
	menu_item = [main_menu addItemWithTitle:@"" action:nil keyEquivalent:@""];
	[main_menu setSubmenu:apple_menu forItem:menu_item];
	[main_menu setAutoenablesItems:NO];

	menu_delegate = [[GodotMenuDelegate alloc] init];

	//!!!!!!!!!!!!!!!!!!!!!!!!!!
	//TODO - do Vulkan and OpenGL support checks, driver selection and fallback
	rendering_driver = p_rendering_driver;

#if defined(GLES3_ENABLED)
	if (rendering_driver == "opengl3") {
		GLManager_MacOS::ContextType opengl_api_type = GLManager_MacOS::GLES_3_0_COMPATIBLE;
		gl_manager = memnew(GLManager_MacOS(opengl_api_type));
		if (gl_manager->initialize() != OK) {
			memdelete(gl_manager);
			gl_manager = nullptr;
			r_error = ERR_UNAVAILABLE;
			ERR_FAIL_MSG("Could not initialize OpenGL");
			return;
		}
	}
#endif
#if defined(VULKAN_ENABLED)
	if (rendering_driver == "vulkan") {
		context_vulkan = memnew(VulkanContextMacOS);
		if (context_vulkan->initialize() != OK) {
			memdelete(context_vulkan);
			context_vulkan = nullptr;
			r_error = ERR_CANT_CREATE;
			ERR_FAIL_MSG("Could not initialize Vulkan");
		}
	}
#endif

	Point2i window_position(
			screen_get_position(0).x + (screen_get_size(0).width - p_resolution.width) / 2,
			screen_get_position(0).y + (screen_get_size(0).height - p_resolution.height) / 2);

	if (p_position != nullptr) {
		window_position = *p_position;
	}

	WindowID main_window = _create_window(p_mode, p_vsync_mode, Rect2i(window_position, p_resolution));
	ERR_FAIL_COND(main_window == INVALID_WINDOW_ID);
	for (int i = 0; i < WINDOW_FLAG_MAX; i++) {
		if (p_flags & (1 << i)) {
			window_set_flag(WindowFlags(i), true, main_window);
		}
	}
	show_window(MAIN_WINDOW_ID);

#if defined(GLES3_ENABLED)
	if (rendering_driver == "opengl3") {
		RasterizerGLES3::make_current();
	}
#endif
#if defined(VULKAN_ENABLED)
	if (rendering_driver == "vulkan") {
		rendering_device_vulkan = memnew(RenderingDeviceVulkan);
		rendering_device_vulkan->initialize(context_vulkan);

		RendererCompositorRD::make_current();
	}
#endif

	screen_set_keep_on(GLOBAL_GET("display/window/energy_saving/keep_screen_on"));
}

DisplayServerMacOS::~DisplayServerMacOS() {
	if (screen_keep_on_assertion) {
		IOPMAssertionRelease(screen_keep_on_assertion);
		screen_keep_on_assertion = kIOPMNullAssertionID;
	}

	// Destroy all windows.
	for (HashMap<WindowID, WindowData>::Iterator E = windows.begin(); E;) {
		HashMap<WindowID, WindowData>::Iterator F = E;
		++E;
		[F->value.window_object setContentView:nil];
		[F->value.window_object close];
	}

	// Destroy drivers.
#if defined(GLES3_ENABLED)
	if (gl_manager) {
		memdelete(gl_manager);
		gl_manager = nullptr;
	}
#endif
#if defined(VULKAN_ENABLED)
	if (rendering_device_vulkan) {
		rendering_device_vulkan->finalize();
		memdelete(rendering_device_vulkan);
		rendering_device_vulkan = nullptr;
	}

	if (context_vulkan) {
		memdelete(context_vulkan);
		context_vulkan = nullptr;
	}
#endif

	CFNotificationCenterRemoveObserver(CFNotificationCenterGetDistributedCenter(), nullptr, kTISNotifySelectedKeyboardInputSourceChanged, nullptr);
	CGDisplayRemoveReconfigurationCallback(_displays_arrangement_changed, nullptr);

	cursors_cache.clear();
}