CoCalc -- display_server

GitHub Repository: godotengine/godot
Path: blob/master/platform/macos/display_server_embedded.h
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/**************************************************************************/
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/*  display_server_embedded.h                                             */
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/**************************************************************************/
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/*                         This file is part of:                          */
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/*                             GODOT ENGINE                               */
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/*                        https://godotengine.org                         */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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/*                                                                        */
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/* Permission is hereby granted, free of charge, to any person obtaining  */
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/* a copy of this software and associated documentation files (the        */
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/* "Software"), to deal in the Software without restriction, including    */
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/* without limitation the rights to use, copy, modify, merge, publish,    */
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/* distribute, sublicense, and/or sell copies of the Software, and to     */
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/* permit persons to whom the Software is furnished to do so, subject to  */
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/* the following conditions:                                              */
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/*                                                                        */
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/* The above copyright notice and this permission notice shall be         */
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/* included in all copies or substantial portions of the Software.        */
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/*                                                                        */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
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/**************************************************************************/
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#pragma once
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#include "display_server_macos_base.h"
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@class CAContext;
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@class CALayer;
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class GLManagerEmbedded;
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class RenderingContextDriver;
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class RenderingDevice;
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struct DisplayServerEmbeddedState {
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	/*! Default to a scale of 2.0, which is the most common. */
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	float screen_max_scale = 2.0f;
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	float screen_dpi = 96.0f;
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	/*! Scale for window displaying embedded content */
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	float screen_window_scale = 2.0f;
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	/*! The display ID of the window which is displaying the embedded process content. */
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	uint32_t display_id = -1;
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	void serialize(PackedByteArray &r_data);
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	Error deserialize(const PackedByteArray &p_data);
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	_FORCE_INLINE_ bool operator==(const DisplayServerEmbeddedState &p_other) const {
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		return screen_max_scale == p_other.screen_max_scale && screen_dpi == p_other.screen_dpi && display_id == p_other.display_id;
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	}
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};
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class DisplayServerEmbedded : public DisplayServerMacOSBase {
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	GDSOFTCLASS(DisplayServerEmbedded, DisplayServerMacOSBase)
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	DisplayServerEmbeddedState state;
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	NativeMenu *native_menu = nullptr;
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	HashMap<WindowID, ObjectID> window_attached_instance_id;
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	HashMap<WindowID, Callable> window_event_callbacks;
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	HashMap<WindowID, Callable> window_resize_callbacks;
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	HashMap<WindowID, Callable> input_event_callbacks;
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	HashMap<WindowID, Callable> input_text_callbacks;
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	WindowID window_id_counter = MAIN_WINDOW_ID;
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	bool transparent = false;
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	CAContext *ca_context = nullptr;
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	// Either be a CAMetalLayer or a CALayer depending on the rendering driver.
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	CALayer *layer = nullptr;
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#ifdef GLES3_ENABLED
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	GLManagerEmbedded *gl_manager = nullptr;
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#endif
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#if defined(RD_ENABLED)
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	RenderingContextDriver *rendering_context = nullptr;
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	RenderingDevice *rendering_device = nullptr;
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#endif
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	String rendering_driver;
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	Point2i ime_last_position;
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	Point2i im_selection;
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	String im_text;
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	MouseMode mouse_mode = MOUSE_MODE_VISIBLE;
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	MouseMode mouse_mode_base = MOUSE_MODE_VISIBLE;
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	MouseMode mouse_mode_override = MOUSE_MODE_VISIBLE;
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	bool mouse_mode_override_enabled = false;
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	void _mouse_update_mode();
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	CursorShape cursor_shape = CURSOR_ARROW;
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	struct Joy {
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		String name;
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		uint64_t timestamp = 0;
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		Joy() = default;
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		Joy(const String &p_name) :
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				name(p_name) {}
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	};
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	HashMap<int, Joy> joysticks;
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public:
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	static void register_embedded_driver();
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	static DisplayServer *create_func(const String &p_rendering_driver, WindowMode p_mode, DisplayServer::VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i *p_position, const Vector2i &p_resolution, int p_screen, Context p_context, int64_t p_parent_window, Error &r_error);
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	static Vector<String> get_rendering_drivers_func();
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	// MARK: - Events
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	virtual void process_events() override;
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	virtual void window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual void window_set_window_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual void window_set_input_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual void window_set_input_text_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual void window_set_drop_files_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) override;
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	static void _dispatch_input_events(const Ref<InputEvent> &p_event);
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	void send_input_event(const Ref<InputEvent> &p_event, DisplayServer::WindowID p_id = MAIN_WINDOW_ID) const;
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	void send_input_text(const String &p_text, DisplayServer::WindowID p_id = MAIN_WINDOW_ID) const;
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	void send_window_event(DisplayServer::WindowEvent p_event, DisplayServer::WindowID p_id = MAIN_WINDOW_ID) const;
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	void _window_callback(const Callable &p_callable, const Variant &p_arg) const;
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	virtual void beep() const override;
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	// MARK: - Mouse
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	virtual void mouse_set_mode(MouseMode p_mode) override;
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	virtual MouseMode mouse_get_mode() const override;
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	virtual void mouse_set_mode_override(MouseMode p_mode) override;
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	virtual MouseMode mouse_get_mode_override() const override;
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	virtual void mouse_set_mode_override_enabled(bool p_override_enabled) override;
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	virtual bool mouse_is_mode_override_enabled() const override;
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	virtual void warp_mouse(const Point2i &p_position) override;
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	virtual Point2i mouse_get_position() const override;
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	virtual BitField<MouseButtonMask> mouse_get_button_state() const override;
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	// MARK: - Window
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	virtual bool has_feature(Feature p_feature) const override;
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	virtual String get_name() const override;
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	virtual int get_screen_count() const override;
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	virtual int get_primary_screen() const override;
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	virtual Point2i screen_get_position(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
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	virtual Size2i screen_get_size(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
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	virtual Rect2i screen_get_usable_rect(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
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	virtual int screen_get_dpi(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
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	virtual float screen_get_scale(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
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	virtual float screen_get_refresh_rate(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
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	virtual Vector<DisplayServer::WindowID> get_window_list() const override;
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	virtual WindowID get_window_at_screen_position(const Point2i &p_position) const override;
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	virtual void window_attach_instance_id(ObjectID p_instance, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual ObjectID window_get_attached_instance_id(WindowID p_window = MAIN_WINDOW_ID) const override;
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	virtual void window_set_title(const String &p_title, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual int window_get_current_screen(WindowID p_window = MAIN_WINDOW_ID) const override;
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	virtual void window_set_current_screen(int p_screen, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual Point2i window_get_position(WindowID p_window = MAIN_WINDOW_ID) const override;
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	virtual Point2i window_get_position_with_decorations(WindowID p_window = MAIN_WINDOW_ID) const override;
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	virtual void window_set_position(const Point2i &p_position, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual void window_set_transient(WindowID p_window, WindowID p_parent) override;
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	virtual void window_set_max_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual Size2i window_get_max_size(WindowID p_window = MAIN_WINDOW_ID) const override;
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	virtual void window_set_min_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual Size2i window_get_min_size(WindowID p_window = MAIN_WINDOW_ID) const override;
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	virtual void window_set_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual Size2i window_get_size(WindowID p_window = MAIN_WINDOW_ID) const override;
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	virtual Size2i window_get_size_with_decorations(WindowID p_window = MAIN_WINDOW_ID) const override;
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	virtual void window_set_mode(WindowMode p_mode, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual WindowMode window_get_mode(WindowID p_window = MAIN_WINDOW_ID) const override;
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	virtual bool window_is_maximize_allowed(WindowID p_window = MAIN_WINDOW_ID) const override;
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	virtual void window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual bool window_get_flag(WindowFlags p_flag, WindowID p_window = MAIN_WINDOW_ID) const override;
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	virtual void window_request_attention(WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual void window_move_to_foreground(WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual bool window_is_focused(WindowID p_window = MAIN_WINDOW_ID) const override;
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	virtual float screen_get_max_scale() const override;
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	virtual bool window_can_draw(WindowID p_window = MAIN_WINDOW_ID) const override;
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	virtual bool can_any_window_draw() const override;
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	virtual void window_set_ime_active(const bool p_active, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual void window_set_ime_position(const Point2i &p_pos, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual void window_set_vsync_mode(DisplayServer::VSyncMode p_vsync_mode, WindowID p_window = MAIN_WINDOW_ID) override;
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	virtual DisplayServer::VSyncMode window_get_vsync_mode(WindowID p_vsync_mode) const override;
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	void update_im_text(const Point2i &p_selection, const String &p_text);
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	virtual Point2i ime_get_selection() const override;
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	virtual String ime_get_text() const override;
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	virtual void cursor_set_shape(CursorShape p_shape) override;
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	virtual CursorShape cursor_get_shape() const override;
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	virtual void cursor_set_custom_image(const Ref<Resource> &p_cursor, CursorShape p_shape = CURSOR_ARROW, const Vector2 &p_hotspot = Vector2()) override;
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	void set_state(const DisplayServerEmbeddedState &p_state);
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	virtual void swap_buffers() override;
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	DisplayServerEmbedded(const String &p_rendering_driver, DisplayServer::WindowMode p_mode, DisplayServer::VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i *p_position, const Vector2i &p_resolution, int p_screen, Context p_context, Error &r_error);
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	~DisplayServerEmbedded();
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};
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