virtualx-engine/platform/iphone/display_server_iphone.h

/*************************************************************************/
/*  display_server_iphone.h                                              */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
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/*************************************************************************/

#ifndef display_server_iphone_h
#define display_server_iphone_h

#include "core/input/input.h"
#include "servers/display_server.h"

#if defined(VULKAN_ENABLED)
#include "drivers/vulkan/rendering_device_vulkan.h"
#include "servers/rendering/renderer_rd/renderer_compositor_rd.h"

#include "vulkan_context_iphone.h"

#import <QuartzCore/CAMetalLayer.h>
#ifdef USE_VOLK
#include <volk.h>
#else
#include <vulkan/vulkan.h>
#endif
#endif

class DisplayServerIPhone : public DisplayServer {
	GDCLASS(DisplayServerIPhone, DisplayServer)

	_THREAD_SAFE_CLASS_

#if defined(VULKAN_ENABLED)
	VulkanContextIPhone *context_vulkan = nullptr;
	RenderingDeviceVulkan *rendering_device_vulkan = nullptr;
#endif

	DisplayServer::ScreenOrientation screen_orientation;

	ObjectID window_attached_instance_id;

	Callable window_event_callback;
	Callable window_resize_callback;
	Callable input_event_callback;
	Callable input_text_callback;

	int virtual_keyboard_height = 0;

	void perform_event(const Ref<InputEvent> &p_event);

	DisplayServerIPhone(const String &p_rendering_driver, DisplayServer::WindowMode p_mode, DisplayServer::VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error);
	~DisplayServerIPhone();

public:
	String rendering_driver;

	static DisplayServerIPhone *get_singleton();

	static void register_iphone_driver();
	static DisplayServer *create_func(const String &p_rendering_driver, WindowMode p_mode, DisplayServer::VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error);
	static Vector<String> get_rendering_drivers_func();

	// MARK: - Events

	virtual void process_events() override;

	virtual void window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
	virtual void window_set_window_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
	virtual void window_set_input_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
	virtual void window_set_input_text_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
	virtual void window_set_drop_files_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;

	static void _dispatch_input_events(const Ref<InputEvent> &p_event);
	void send_input_event(const Ref<InputEvent> &p_event) const;
	void send_input_text(const String &p_text) const;
	void send_window_event(DisplayServer::WindowEvent p_event) const;
	void _window_callback(const Callable &p_callable, const Variant &p_arg) const;

	// MARK: - Input

	// MARK: Touches

	void touch_press(int p_idx, int p_x, int p_y, bool p_pressed, bool p_double_click);
	void touch_drag(int p_idx, int p_prev_x, int p_prev_y, int p_x, int p_y);
	void touches_cancelled(int p_idx);

	// MARK: Keyboard

	void key(Key p_key, bool p_pressed);

	// MARK: Motion

	void update_gravity(float p_x, float p_y, float p_z);
	void update_accelerometer(float p_x, float p_y, float p_z);
	void update_magnetometer(float p_x, float p_y, float p_z);
	void update_gyroscope(float p_x, float p_y, float p_z);

	// MARK: -

	virtual bool has_feature(Feature p_feature) const override;
	virtual String get_name() const override;

	virtual int get_screen_count() const override;
	virtual Point2i screen_get_position(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
	virtual Size2i screen_get_size(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
	virtual Rect2i screen_get_usable_rect(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
	virtual int screen_get_dpi(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
	virtual float screen_get_scale(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;

	virtual Vector<DisplayServer::WindowID> get_window_list() const override;

	virtual WindowID
	get_window_at_screen_position(const Point2i &p_position) const override;

	virtual void window_attach_instance_id(ObjectID p_instance, WindowID p_window = MAIN_WINDOW_ID) override;
	virtual ObjectID window_get_attached_instance_id(WindowID p_window = MAIN_WINDOW_ID) const override;

	virtual void window_set_title(const String &p_title, WindowID p_window = MAIN_WINDOW_ID) override;

	virtual int window_get_current_screen(WindowID p_window = MAIN_WINDOW_ID) const override;
	virtual void window_set_current_screen(int p_screen, WindowID p_window = MAIN_WINDOW_ID) override;

	virtual Point2i window_get_position(WindowID p_window = MAIN_WINDOW_ID) const override;
	virtual void window_set_position(const Point2i &p_position, WindowID p_window = MAIN_WINDOW_ID) override;

	virtual void window_set_transient(WindowID p_window, WindowID p_parent) override;

	virtual void window_set_max_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override;
	virtual Size2i window_get_max_size(WindowID p_window = MAIN_WINDOW_ID) const override;

	virtual void window_set_min_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override;
	virtual Size2i window_get_min_size(WindowID p_window = MAIN_WINDOW_ID) const override;

	virtual void window_set_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override;
	virtual Size2i window_get_size(WindowID p_window = MAIN_WINDOW_ID) const override;
	virtual Size2i window_get_real_size(WindowID p_window = MAIN_WINDOW_ID) const override;

	virtual void window_set_mode(WindowMode p_mode, WindowID p_window = MAIN_WINDOW_ID) override;
	virtual WindowMode window_get_mode(WindowID p_window = MAIN_WINDOW_ID) const override;

	virtual bool window_is_maximize_allowed(WindowID p_window = MAIN_WINDOW_ID) const override;

	virtual void window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window = MAIN_WINDOW_ID) override;
	virtual bool window_get_flag(WindowFlags p_flag, WindowID p_window = MAIN_WINDOW_ID) const override;

	virtual void window_request_attention(WindowID p_window = MAIN_WINDOW_ID) override;
	virtual void window_move_to_foreground(WindowID p_window = MAIN_WINDOW_ID) override;

	virtual float screen_get_max_scale() const override;

	virtual void screen_set_orientation(DisplayServer::ScreenOrientation p_orientation, int p_screen) override;
	virtual DisplayServer::ScreenOrientation screen_get_orientation(int p_screen) const override;

	virtual bool window_can_draw(WindowID p_window = MAIN_WINDOW_ID) const override;

	virtual bool can_any_window_draw() const override;

	virtual void window_set_vsync_mode(DisplayServer::VSyncMode p_vsync_mode, WindowID p_window = MAIN_WINDOW_ID) override;
	virtual DisplayServer::VSyncMode window_get_vsync_mode(WindowID p_vsync_mode) const override;

	virtual bool screen_is_touchscreen(int p_screen) const override;

	virtual void virtual_keyboard_show(const String &p_existing_text, const Rect2 &p_screen_rect, bool p_multiline, int p_max_length, int p_cursor_start, int p_cursor_end) override;
	virtual void virtual_keyboard_hide() override;

	void virtual_keyboard_set_height(int height);
	virtual int virtual_keyboard_get_height() const override;

	virtual void clipboard_set(const String &p_text) override;
	virtual String clipboard_get() const override;

	virtual void screen_set_keep_on(bool p_enable) override;
	virtual bool screen_is_kept_on() const override;

	void resize_window(CGSize size);
};

#endif /* display_server_iphone_h */