/*************************************************************************/ /* os.h */ /*************************************************************************/ /* 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. */ /*************************************************************************/ #ifndef OS_H #define OS_H #include "core/engine.h" #include "core/image.h" #include "core/io/logger.h" #include "core/list.h" #include "core/os/main_loop.h" #include "core/ustring.h" #include "core/vector.h" #include #include class OS { static OS *singleton; static uint64_t target_ticks; String _execpath; List _cmdline; bool _keep_screen_on; bool low_processor_usage_mode; int low_processor_usage_mode_sleep_usec; bool _update_vital_only; bool _verbose_stdout; bool _debug_stdout; String _local_clipboard; String _primary_clipboard; uint64_t _msec_splash; bool _no_window; int _exit_code = EXIT_FAILURE; // unexpected exit is marked as failure bool _is_custom_exit_code = false; int _orientation; bool _allow_hidpi; bool _allow_layered; bool _use_vsync; bool _vsync_via_compositor; bool _delta_smoothing_enabled; char *last_error; void *_stack_bottom; CompositeLogger *_logger; bool restart_on_exit; List restart_commandline; protected: bool _update_pending; void _set_logger(CompositeLogger *p_logger); public: typedef void (*ImeCallback)(void *p_inp, String p_text, Point2 p_selection); typedef bool (*HasServerFeatureCallback)(const String &p_feature); enum PowerState { POWERSTATE_UNKNOWN, /**< cannot determine power status */ POWERSTATE_ON_BATTERY, /**< Not plugged in, running on the battery */ POWERSTATE_NO_BATTERY, /**< Plugged in, no battery available */ POWERSTATE_CHARGING, /**< Plugged in, charging battery */ POWERSTATE_CHARGED /**< Plugged in, battery charged */ }; enum RenderThreadMode { RENDER_THREAD_UNSAFE, RENDER_THREAD_SAFE, RENDER_SEPARATE_THREAD }; struct VideoMode { int width, height; bool fullscreen; bool resizable; bool borderless_window; bool maximized; bool always_on_top; bool use_vsync; bool vsync_via_compositor; bool layered; float get_aspect() const { return (float)width / (float)height; } VideoMode(int p_width = 1024, int p_height = 600, bool p_fullscreen = false, bool p_resizable = true, bool p_borderless_window = false, bool p_maximized = false, bool p_always_on_top = false, bool p_use_vsync = false, bool p_vsync_via_compositor = false) { width = p_width; height = p_height; fullscreen = p_fullscreen; resizable = p_resizable; borderless_window = p_borderless_window; maximized = p_maximized; always_on_top = p_always_on_top; use_vsync = p_use_vsync; vsync_via_compositor = p_vsync_via_compositor; layered = false; } }; struct TTSUtterance { String text; String voice; int volume = 50; float pitch = 1.f; float rate = 1.f; int id = 0; }; enum TTSUtteranceEvent { TTS_UTTERANCE_STARTED, TTS_UTTERANCE_ENDED, TTS_UTTERANCE_CANCELED, TTS_UTTERANCE_BOUNDARY, TTS_UTTERANCE_MAX, }; private: struct Callback { Object *object = nullptr; StringName cb_name; }; Callback utterance_callback[TTS_UTTERANCE_MAX]; protected: friend class Main; HasServerFeatureCallback has_server_feature_callback; RenderThreadMode _render_thread_mode; // functions used by main to initialize/deinitialize the OS void add_logger(Logger *p_logger); virtual void initialize_core() = 0; virtual Error initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver) = 0; virtual void set_main_loop(MainLoop *p_main_loop) = 0; virtual void delete_main_loop() = 0; virtual void finalize() = 0; virtual void finalize_core() = 0; virtual void set_cmdline(const char *p_execpath, const List &p_args); virtual bool _check_internal_feature_support(const String &p_feature) = 0; public: typedef int64_t ProcessID; static OS *get_singleton(); virtual void global_menu_add_item(const String &p_menu, const String &p_label, const Variant &p_signal, const Variant &p_meta){}; virtual void global_menu_add_separator(const String &p_menu){}; virtual void global_menu_remove_item(const String &p_menu, int p_idx){}; virtual void global_menu_clear(const String &p_menu){}; void print_error(const char *p_function, const char *p_file, int p_line, const char *p_code, const char *p_rationale, Logger::ErrorType p_type = Logger::ERR_ERROR); void print(const char *p_format, ...) _PRINTF_FORMAT_ATTRIBUTE_2_3; void printerr(const char *p_format, ...) _PRINTF_FORMAT_ATTRIBUTE_2_3; virtual void alert(const String &p_alert, const String &p_title = "ALERT!") = 0; virtual String get_stdin_string(bool p_block = true) = 0; enum MouseMode { MOUSE_MODE_VISIBLE, MOUSE_MODE_HIDDEN, MOUSE_MODE_CAPTURED, MOUSE_MODE_CONFINED, MOUSE_MODE_CONFINED_HIDDEN, }; virtual void set_mouse_mode(MouseMode p_mode); virtual MouseMode get_mouse_mode() const; virtual bool tts_is_speaking() const; virtual bool tts_is_paused() const; virtual Array tts_get_voices() const; virtual PoolStringArray tts_get_voices_for_language(const String &p_language) const; virtual void tts_speak(const String &p_text, const String &p_voice, int p_volume = 50, float p_pitch = 1.f, float p_rate = 1.f, int p_utterance_id = 0, bool p_interrupt = false); virtual void tts_pause(); virtual void tts_resume(); virtual void tts_stop(); virtual void tts_set_utterance_callback(TTSUtteranceEvent p_event, Object *p_object, const StringName &p_callback); virtual void tts_post_utterance_event(TTSUtteranceEvent p_event, int p_id, int p_pos = 0); virtual void warp_mouse_position(const Point2 &p_to) {} virtual Point2 get_mouse_position() const = 0; virtual int get_mouse_button_state() const = 0; virtual void set_window_title(const String &p_title) = 0; virtual void set_window_mouse_passthrough(const PoolVector2Array &p_region){}; virtual void set_clipboard(const String &p_text); virtual String get_clipboard() const; virtual bool has_clipboard() const; virtual void set_clipboard_primary(const String &p_text); virtual String get_clipboard_primary() const; virtual void set_video_mode(const VideoMode &p_video_mode, int p_screen = 0) = 0; virtual VideoMode get_video_mode(int p_screen = 0) const = 0; virtual void get_fullscreen_mode_list(List *p_list, int p_screen = 0) const = 0; enum VideoDriver { VIDEO_DRIVER_GLES3, VIDEO_DRIVER_GLES2, VIDEO_DRIVER_MAX, }; virtual int get_video_driver_count() const; virtual const char *get_video_driver_name(int p_driver) const; virtual int get_current_video_driver() const = 0; virtual bool is_offscreen_gl_available() const; virtual void set_offscreen_gl_current(bool p_current); virtual int get_audio_driver_count() const; virtual const char *get_audio_driver_name(int p_driver) const; virtual int get_tablet_driver_count() const { return 0; }; virtual String get_tablet_driver_name(int p_driver) const { return ""; }; virtual String get_current_tablet_driver() const { return ""; }; virtual void set_current_tablet_driver(const String &p_driver){}; virtual PoolStringArray get_connected_midi_inputs(); virtual void open_midi_inputs(); virtual void close_midi_inputs(); // Returned by get_screen_refresh_rate if the method fails. const float SCREEN_REFRESH_RATE_FALLBACK = -1.0; virtual int get_screen_count() const { return 1; } virtual int get_current_screen() const { return 0; } virtual void set_current_screen(int p_screen) {} virtual Point2 get_screen_position(int p_screen = -1) const { return Point2(); } virtual Size2 get_screen_size(int p_screen = -1) const { return get_window_size(); } virtual int get_screen_dpi(int p_screen = -1) const { return 72; } virtual float get_screen_scale(int p_screen = -1) const { return 1.0; } virtual float get_screen_max_scale() const { return 1.0; }; virtual float get_screen_refresh_rate(int p_screen = -1) const { return SCREEN_REFRESH_RATE_FALLBACK; }; virtual Point2 get_window_position() const { return Vector2(); } virtual void set_window_position(const Point2 &p_position) {} virtual Size2 get_max_window_size() const { return Size2(); }; virtual Size2 get_min_window_size() const { return Size2(); }; virtual Size2 get_window_size() const = 0; virtual Size2 get_real_window_size() const { return get_window_size(); } virtual void set_min_window_size(const Size2 p_size) {} virtual void set_max_window_size(const Size2 p_size) {} virtual void set_window_size(const Size2 p_size) {} virtual void set_window_fullscreen(bool p_enabled) {} virtual bool is_window_fullscreen() const { return true; } virtual void set_window_resizable(bool p_enabled) {} virtual bool is_window_resizable() const { return false; } virtual void set_window_minimized(bool p_enabled) {} virtual bool is_window_minimized() const { return false; } virtual void set_window_maximized(bool p_enabled) {} virtual bool is_window_maximized() const { return true; } virtual void set_window_always_on_top(bool p_enabled) {} virtual bool is_window_always_on_top() const { return false; } virtual bool is_window_focused() const { return true; } virtual void request_attention() {} virtual void center_window(); // Returns internal pointers and handles. // While exposed to GDScript this is mostly to give GDNative plugins access to this information. // Note that whether a valid handle is returned depends on whether it applies to the given // platform and often to the chosen render driver. // NULL will be returned if a handle is not available. enum HandleType { APPLICATION_HANDLE, // HINSTANCE, NSApplication*, UIApplication*, JNIEnv* ... DISPLAY_HANDLE, // X11::Display* ... WINDOW_HANDLE, // HWND, X11::Window*, NSWindow*, UIWindow*, Android activity ... WINDOW_VIEW, // HDC, NSView*, UIView*, Android surface ... OPENGL_CONTEXT, // HGLRC, X11::GLXContext, NSOpenGLContext*, EGLContext* ... }; virtual void *get_native_handle(int p_handle_type) { return nullptr; }; // Returns window area free of hardware controls and other obstacles. // The application should use this to determine where to place UI elements. // // Keep in mind the area returned is in window coordinates rather than // viewport coordinates - you should perform the conversion on your own. // // The maximum size of the area is Rect2(0, 0, window_size.width, window_size.height). virtual Rect2 get_window_safe_area() const { Size2 window_size = get_window_size(); return Rect2(0, 0, window_size.width, window_size.height); } virtual Array get_display_cutouts() const { return Array(); } virtual void set_borderless_window(bool p_borderless) {} virtual bool get_borderless_window() { return false; } virtual bool get_window_per_pixel_transparency_enabled() const { return false; } virtual void set_window_per_pixel_transparency_enabled(bool p_enabled) {} virtual void set_ime_active(const bool p_active) {} virtual void set_ime_position(const Point2 &p_pos) {} virtual Point2 get_ime_selection() const { return Point2(); } virtual String get_ime_text() const { return String(); } virtual Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path = false) { return ERR_UNAVAILABLE; } virtual Error close_dynamic_library(void *p_library_handle) { return ERR_UNAVAILABLE; } virtual Error get_dynamic_library_symbol_handle(void *p_library_handle, const String p_name, void *&p_symbol_handle, bool p_optional = false) { return ERR_UNAVAILABLE; } virtual void set_keep_screen_on(bool p_enabled); virtual bool is_keep_screen_on() const; virtual void set_low_processor_usage_mode(bool p_enabled); virtual bool is_in_low_processor_usage_mode() const; virtual void set_low_processor_usage_mode_sleep_usec(int p_usec); virtual int get_low_processor_usage_mode_sleep_usec() const; virtual void set_update_vital_only(bool p_enabled); virtual void set_update_pending(bool p_pending) { _update_pending = p_pending; } // Convenience easy switch for turning this off outside tools builds, without littering calling code // with #ifdefs. It will also hopefully be compiled out in release. #ifdef TOOLS_ENABLED // This function is used to throttle back updates of animations and particle systems when using UPDATE_VITAL_ONLY mode. // CASE 1) We are not in UPDATE_VITAL_ONLY mode - always return true and update. // CASE 2) We are in UPDATE_VITAL_ONLY mode - // In most cases this will return false and prevent animations etc updating. // The exception is that we can also choose to receive a true // each time a frame is redrawn as a result of moving the mouse, clicking etc. // This enables us to keep e.g. particle systems processing, but ONLY when other // events have caused a redraw. virtual bool is_update_pending(bool p_include_redraws = false) const { return !_update_vital_only || (_update_pending && p_include_redraws); } #else // Always update when outside the editor, UPDATE_VITAL_ONLY has no effect outside the editor. virtual bool is_update_pending(bool p_include_redraws = false) const { return true; } #endif virtual String get_executable_path() const; virtual Error execute(const String &p_path, const List &p_arguments, bool p_blocking = true, ProcessID *r_child_id = nullptr, String *r_pipe = nullptr, int *r_exitcode = nullptr, bool read_stderr = false, Mutex *p_pipe_mutex = nullptr, bool p_open_console = false) = 0; virtual Error kill(const ProcessID &p_pid) = 0; virtual int get_process_id() const; virtual bool is_process_running(const ProcessID &p_pid) const = 0; virtual void vibrate_handheld(int p_duration_ms = 500) {} virtual Error shell_open(String p_uri); virtual Error set_cwd(const String &p_cwd); virtual bool has_environment(const String &p_var) const = 0; virtual String get_environment(const String &p_var) const = 0; virtual bool set_environment(const String &p_var, const String &p_value) const = 0; virtual String get_name() const = 0; virtual List get_cmdline_args() const { return _cmdline; } virtual String get_model_name() const; void ensure_user_data_dir(); virtual MainLoop *get_main_loop() const = 0; virtual void yield(); enum Weekday { DAY_SUNDAY, DAY_MONDAY, DAY_TUESDAY, DAY_WEDNESDAY, DAY_THURSDAY, DAY_FRIDAY, DAY_SATURDAY }; enum Month { /// Start at 1 to follow Windows SYSTEMTIME structure /// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724950(v=vs.85).aspx MONTH_JANUARY = 1, MONTH_FEBRUARY, MONTH_MARCH, MONTH_APRIL, MONTH_MAY, MONTH_JUNE, MONTH_JULY, MONTH_AUGUST, MONTH_SEPTEMBER, MONTH_OCTOBER, MONTH_NOVEMBER, MONTH_DECEMBER }; struct Date { int year; Month month; int day; Weekday weekday; bool dst; }; struct Time { int hour; int min; int sec; }; struct TimeZoneInfo { int bias; String name; }; virtual Date get_date(bool local = false) const = 0; virtual Time get_time(bool local = false) const = 0; virtual TimeZoneInfo get_time_zone_info() const = 0; virtual String get_iso_date_time(bool local = false) const; virtual uint64_t get_unix_time() const; virtual uint64_t get_system_time_secs() const; virtual uint64_t get_system_time_msecs() const; virtual double get_subsecond_unix_time() const; // For use in Time::get_unix_time(). virtual void delay_usec(uint32_t p_usec) const = 0; virtual void add_frame_delay(bool p_can_draw); virtual uint64_t get_ticks_usec() const = 0; uint32_t get_ticks_msec() const; uint64_t get_splash_tick_msec() const; virtual bool can_draw() const = 0; virtual bool is_userfs_persistent() const { return true; } bool is_stdout_verbose() const; bool is_stdout_debug_enabled() const; virtual void disable_crash_handler() {} virtual bool is_disable_crash_handler() const { return false; } virtual void initialize_debugging() {} enum CursorShape { CURSOR_ARROW, CURSOR_IBEAM, CURSOR_POINTING_HAND, CURSOR_CROSS, CURSOR_WAIT, CURSOR_BUSY, CURSOR_DRAG, CURSOR_CAN_DROP, CURSOR_FORBIDDEN, CURSOR_VSIZE, CURSOR_HSIZE, CURSOR_BDIAGSIZE, CURSOR_FDIAGSIZE, CURSOR_MOVE, CURSOR_VSPLIT, CURSOR_HSPLIT, CURSOR_HELP, CURSOR_MAX }; enum VirtualKeyboardType { KEYBOARD_TYPE_DEFAULT, KEYBOARD_TYPE_MULTILINE, KEYBOARD_TYPE_NUMBER, KEYBOARD_TYPE_NUMBER_DECIMAL, KEYBOARD_TYPE_PHONE, KEYBOARD_TYPE_EMAIL_ADDRESS, KEYBOARD_TYPE_PASSWORD, KEYBOARD_TYPE_URL }; virtual bool has_virtual_keyboard() const; virtual void show_virtual_keyboard(const String &p_existing_text, const Rect2 &p_screen_rect = Rect2(), VirtualKeyboardType p_type = KEYBOARD_TYPE_DEFAULT, int p_max_input_length = -1, int p_cursor_start = -1, int p_cursor_end = -1); virtual void hide_virtual_keyboard(); // returns height of the currently shown virtual keyboard (0 if keyboard is hidden) virtual int get_virtual_keyboard_height() const; virtual uint32_t keyboard_get_scancode_from_physical(uint32_t p_scancode) const; virtual void set_cursor_shape(CursorShape p_shape); virtual CursorShape get_cursor_shape() const; virtual void set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot); virtual bool get_swap_ok_cancel() { return false; } virtual void dump_memory_to_file(const char *p_file); virtual void dump_resources_to_file(const char *p_file); virtual void print_resources_in_use(bool p_short = false); virtual void print_all_resources(String p_to_file = ""); virtual uint64_t get_static_memory_usage() const; virtual uint64_t get_static_memory_peak_usage() const; virtual uint64_t get_dynamic_memory_usage() const; virtual uint64_t get_free_static_memory() const; RenderThreadMode get_render_thread_mode() const { return _render_thread_mode; } virtual String get_locale() const; String get_locale_language() const; virtual uint64_t get_embedded_pck_offset() const; String get_safe_dir_name(const String &p_dir_name, bool p_allow_dir_separator = false) const; virtual String get_godot_dir_name() const; virtual String get_data_path() const; virtual String get_config_path() const; virtual String get_cache_path() const; virtual String get_bundle_resource_dir() const; virtual String get_bundle_icon_path() const; virtual String get_user_data_dir() const; virtual String get_resource_dir() const; enum SystemDir { SYSTEM_DIR_DESKTOP, SYSTEM_DIR_DCIM, SYSTEM_DIR_DOCUMENTS, SYSTEM_DIR_DOWNLOADS, SYSTEM_DIR_MOVIES, SYSTEM_DIR_MUSIC, SYSTEM_DIR_PICTURES, SYSTEM_DIR_RINGTONES, }; virtual String get_system_dir(SystemDir p_dir, bool p_shared_storage = true) const; virtual Error move_to_trash(const String &p_path) { return FAILED; } virtual void set_no_window_mode(bool p_enable); virtual bool is_no_window_mode_enabled() const; virtual bool has_touchscreen_ui_hint() const; enum ScreenOrientation { SCREEN_LANDSCAPE, SCREEN_PORTRAIT, SCREEN_REVERSE_LANDSCAPE, SCREEN_REVERSE_PORTRAIT, SCREEN_SENSOR_LANDSCAPE, SCREEN_SENSOR_PORTRAIT, SCREEN_SENSOR, }; virtual void set_screen_orientation(ScreenOrientation p_orientation); virtual ScreenOrientation get_screen_orientation() const; ScreenOrientation get_screen_orientation_from_string(const String &p_orientation) const; virtual void enable_for_stealing_focus(ProcessID pid) {} virtual void move_window_to_foreground() {} virtual void release_rendering_thread(); virtual void make_rendering_thread(); virtual void swap_buffers(); virtual void set_native_icon(const String &p_filename); virtual void set_icon(const Ref &p_icon); virtual int get_exit_code() const; virtual void set_exit_code(int p_code); virtual bool is_custom_exit_code(); virtual int get_processor_count() const; virtual String get_processor_name() const; virtual int get_default_thread_pool_size() const { return get_processor_count(); } virtual String get_unique_id() const; virtual Error native_video_play(String p_path, float p_volume, String p_audio_track, String p_subtitle_track); virtual bool native_video_is_playing() const; virtual void native_video_pause(); virtual void native_video_unpause(); virtual void native_video_stop(); virtual bool can_use_threads() const; virtual Error dialog_show(String p_title, String p_description, Vector p_buttons, Object *p_obj, String p_callback); virtual Error dialog_input_text(String p_title, String p_description, String p_partial, Object *p_obj, String p_callback); enum LatinKeyboardVariant { LATIN_KEYBOARD_QWERTY, LATIN_KEYBOARD_QWERTZ, LATIN_KEYBOARD_AZERTY, LATIN_KEYBOARD_QZERTY, LATIN_KEYBOARD_DVORAK, LATIN_KEYBOARD_NEO, LATIN_KEYBOARD_COLEMAK, }; virtual LatinKeyboardVariant get_latin_keyboard_variant() const; virtual int keyboard_get_layout_count() const; virtual int keyboard_get_current_layout() const; virtual void keyboard_set_current_layout(int p_index); virtual String keyboard_get_layout_language(int p_index) const; virtual String keyboard_get_layout_name(int p_index) const; virtual bool is_joy_known(int p_device); virtual String get_joy_guid(int p_device) const; enum EngineContext { CONTEXT_EDITOR, CONTEXT_PROJECTMAN, CONTEXT_ENGINE, }; virtual void set_context(int p_context); //amazing hack because OpenGL needs this to be set on a separate thread.. //also core can't access servers, so a callback must be used typedef void (*SwitchVSyncCallbackInThread)(bool); static SwitchVSyncCallbackInThread switch_vsync_function; void set_use_vsync(bool p_enable); bool is_vsync_enabled() const; //real, actual overridable function to switch vsync, which needs to be called from graphics thread if needed virtual void _set_use_vsync(bool p_enable) {} void set_vsync_via_compositor(bool p_enable); bool is_vsync_via_compositor_enabled() const; void set_delta_smoothing(bool p_enabled); bool is_delta_smoothing_enabled() const; virtual OS::PowerState get_power_state(); virtual int get_power_seconds_left(); virtual int get_power_percent_left(); virtual void force_process_input(){}; bool has_feature(const String &p_feature); void set_has_server_feature_callback(HasServerFeatureCallback p_callback); bool is_layered_allowed() const { return _allow_layered; } bool is_hidpi_allowed() const { return _allow_hidpi; } void set_restart_on_exit(bool p_restart, const List &p_restart_arguments); bool is_restart_on_exit_set() const; List get_restart_on_exit_arguments() const; virtual bool request_permission(const String &p_name) { return true; } virtual bool request_permissions() { return true; } virtual Vector get_granted_permissions() const { return Vector(); } virtual void process_and_drop_events() {} OS(); virtual ~OS(); }; VARIANT_ENUM_CAST(OS::PowerState); #endif // OS_H