godot/core/os/os.h

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/*************************************************************************/
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/* os.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
/* 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 "engine.h"
#include "image.h"
#include "io/logger.h"
#include "list.h"
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#include "os/main_loop.h"
#include "ustring.h"
#include "vector.h"
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#include <stdarg.h>
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/**
@author Juan Linietsky <reduzio@gmail.com>
*/
class OS {
static OS *singleton;
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String _execpath;
List<String> _cmdline;
bool _keep_screen_on;
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bool low_processor_usage_mode;
bool _verbose_stdout;
String _local_clipboard;
uint64_t _msec_splash;
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bool _no_window;
int _exit_code;
int _orientation;
bool _allow_hidpi;
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char *last_error;
void *_stack_bottom;
CompositeLogger *_logger;
protected:
void _set_logger(CompositeLogger *p_logger);
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public:
typedef void (*ImeCallback)(void *p_inp, String p_text, Point2 p_selection);
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 */
};
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enum RenderThreadMode {
RENDER_THREAD_UNSAFE,
RENDER_THREAD_SAFE,
RENDER_SEPARATE_THREAD
};
struct VideoMode {
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int width, height;
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bool fullscreen;
bool resizable;
bool borderless_window;
bool maximized;
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) {
width = p_width;
height = p_height;
fullscreen = p_fullscreen;
resizable = p_resizable;
borderless_window = p_borderless_window;
maximized = p_maximized;
}
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};
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protected:
friend class Main;
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RenderThreadMode _render_thread_mode;
// functions used by main to initialize/deintialize the OS
virtual int get_video_driver_count() const = 0;
virtual const char *get_video_driver_name(int p_driver) const = 0;
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virtual int get_audio_driver_count() const = 0;
virtual const char *get_audio_driver_name(int p_driver) const = 0;
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void add_logger(Logger *p_logger);
virtual void initialize_core() = 0;
virtual void initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver) = 0;
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virtual void set_main_loop(MainLoop *p_main_loop) = 0;
virtual void delete_main_loop() = 0;
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virtual void finalize() = 0;
virtual void finalize_core() = 0;
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virtual void set_cmdline(const char *p_execpath, const List<String> &p_args);
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void _ensure_user_data_dir();
virtual bool _check_internal_feature_support(const String &p_feature) = 0;
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public:
typedef int64_t ProcessID;
static OS *get_singleton();
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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, ...);
void printerr(const char *p_format, ...);
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virtual void alert(const String &p_alert, const String &p_title = "ALERT!") = 0;
virtual String get_stdin_string(bool p_block = true) = 0;
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virtual void set_last_error(const char *p_error);
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virtual const char *get_last_error() const;
virtual void clear_last_error();
enum MouseMode {
MOUSE_MODE_VISIBLE,
MOUSE_MODE_HIDDEN,
MOUSE_MODE_CAPTURED,
MOUSE_MODE_CONFINED
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};
virtual void set_mouse_mode(MouseMode p_mode);
virtual MouseMode get_mouse_mode() const;
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;
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virtual void set_clipboard(const String &p_text);
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virtual String get_clipboard() const;
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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<VideoMode> *p_list, int p_screen = 0) const = 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 Point2 get_window_position() const { return Vector2(); }
virtual void set_window_position(const Point2 &p_position) {}
virtual Size2 get_window_size() const = 0;
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 request_attention() {}
virtual void set_borderless_window(int p_borderless) {}
virtual bool get_borderless_window() { return 0; }
virtual void set_ime_position(const Point2 &p_pos) {}
virtual void set_ime_intermediate_text_callback(ImeCallback p_callback, void *p_inp) {}
virtual Error open_dynamic_library(const String p_path, void *&p_library_handle) { 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;
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virtual void set_low_processor_usage_mode(bool p_enabled);
virtual bool is_in_low_processor_usage_mode() const;
virtual String get_executable_path() const;
virtual Error execute(const String &p_path, const List<String> &p_arguments, bool p_blocking, ProcessID *r_child_id = NULL, String *r_pipe = NULL, int *r_exitcode = NULL, bool read_stderr = false) = 0;
virtual Error kill(const ProcessID &p_pid) = 0;
virtual int get_process_id() const;
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virtual Error shell_open(String p_uri);
virtual Error set_cwd(const String &p_cwd);
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virtual bool has_environment(const String &p_var) const = 0;
virtual String get_environment(const String &p_var) const = 0;
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virtual String get_name() = 0;
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virtual List<String> get_cmdline_args() const { return _cmdline; }
virtual String get_model_name() const;
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virtual MainLoop *get_main_loop() const = 0;
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virtual void yield();
enum Weekday {
DAY_SUNDAY,
DAY_MONDAY,
DAY_TUESDAY,
DAY_WEDNESDAY,
DAY_THURSDAY,
DAY_FRIDAY,
DAY_SATURDAY
};
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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,
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MONTH_FEBRUARY,
MONTH_MARCH,
MONTH_APRIL,
MONTH_MAY,
MONTH_JUNE,
MONTH_JULY,
MONTH_AUGUST,
MONTH_SEPTEMBER,
MONTH_OCTOBER,
MONTH_NOVEMBER,
MONTH_DECEMBER
};
struct Date {
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int year;
Month month;
int day;
Weekday weekday;
bool dst;
};
struct Time {
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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;
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virtual uint64_t get_unix_time() const;
virtual uint64_t get_system_time_secs() const;
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virtual void delay_usec(uint32_t p_usec) const = 0;
virtual uint64_t get_ticks_usec() const = 0;
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uint32_t get_ticks_msec() const;
uint64_t get_splash_tick_msec() const;
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virtual bool can_draw() const = 0;
virtual bool is_userfs_persistent() const { return true; }
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bool is_stdout_verbose() const;
virtual void disable_crash_handler() {}
virtual bool is_disable_crash_handler() const { return false; }
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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
};
virtual bool has_virtual_keyboard() const;
virtual void show_virtual_keyboard(const String &p_existing_text, const Rect2 &p_screen_rect = Rect2());
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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 void set_cursor_shape(CursorShape p_shape) = 0;
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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 = "");
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virtual int get_static_memory_usage() const;
virtual int get_static_memory_peak_usage() const;
virtual int get_dynamic_memory_usage() const;
virtual int get_free_static_memory() const;
RenderThreadMode get_render_thread_mode() const { return _render_thread_mode; }
virtual String get_locale() const;
String get_safe_application_name() 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_user_data_dir() const;
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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) const;
virtual Error move_to_trash(const String &p_path) { return FAILED; }
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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);
ScreenOrientation get_screen_orientation() const;
virtual void enable_for_stealing_focus(ProcessID pid) {}
virtual void move_window_to_foreground() {}
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virtual void debug_break();
virtual void release_rendering_thread();
virtual void make_rendering_thread();
virtual void swap_buffers();
virtual void set_icon(const Ref<Image> &p_icon);
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virtual int get_exit_code() const;
virtual void set_exit_code(int p_code);
virtual int get_processor_count() const;
virtual String get_unique_id() const;
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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();
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virtual bool can_use_threads() const;
virtual Error dialog_show(String p_title, String p_description, Vector<String> 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 bool is_joy_known(int p_device);
virtual String get_joy_guid(int p_device) const;
enum EngineContext {
CONTEXT_EDITOR,
CONTEXT_PROJECTMAN,
};
virtual void set_context(int p_context);
virtual void set_use_vsync(bool p_enable);
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virtual bool is_vsync_enabled() const;
virtual OS::PowerState get_power_state();
virtual int get_power_seconds_left();
virtual int get_power_percent_left();
bool has_feature(const String &p_feature);
/**
* Returns the stack bottom of the main thread of the application.
* This may be of use when integrating languages with garbage collectors that
* need to check whether a pointer is on the stack.
*/
virtual void *get_stack_bottom() const;
bool is_hidpi_allowed() const { return _allow_hidpi; }
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OS();
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virtual ~OS();
};
VARIANT_ENUM_CAST(OS::PowerState);
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#endif