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A multi-platform library for OpenGL, OpenGL ES, Vulkan, window and input
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glfw/include/GL/glfw3.h

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/*************************************************************************
* GLFW - An OpenGL library
* API version: 3.0
* WWW: http://www.glfw.org/
*------------------------------------------------------------------------
* Copyright (c) 2002-2006 Marcus Geelnard
* Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would
* be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not
* be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
*************************************************************************/
#ifndef __glfw3_h__
#define __glfw3_h__
#ifdef __cplusplus
extern "C" {
#endif
/*************************************************************************
* Doxygen documentation
*************************************************************************/
/*! @mainpage notitle
*
* @section intro Introduction
*
* This is the reference documentation for the GLFW library.
*/
/*! @defgroup clipboard Clipboard support
*/
/*! @defgroup context Context handling
*/
/*! @defgroup error Error handling
*/
/*! @defgroup gamma Gamma ramp support
*/
/*! @defgroup init Initialization and version information
*/
/*! @defgroup input Input handling
*/
/*! @defgroup time Time input
*/
/*! @defgroup window Window handling
*
* The primary purpose of GLFW is to provide a simple interface to window
* management and OpenGL and OpenGL ES context creation. GLFW supports
* multiple windows, which can be either a normal desktop window or
* a fullscreen window.
*/
/*! @defgroup monitor Monitor handling
*/
/*************************************************************************
* Global definitions
*************************************************************************/
/* ------------------- BEGIN SYSTEM/COMPILER SPECIFIC -------------------- */
/* Please report any problems that you find with your compiler, which may
* be solved in this section! There are several compilers that I have not
* been able to test this file with yet.
*
* First: If we are we on Windows, we want a single define for it (_WIN32)
* (Note: For Cygwin the compiler flag -mwin32 should be used, but to
* make sure that things run smoothly for Cygwin users, we add __CYGWIN__
* to the list of "valid Win32 identifiers", which removes the need for
* -mwin32)
*/
#if !defined(_WIN32) && (defined(__WIN32__) || defined(WIN32) || defined(__CYGWIN__))
#define _WIN32
#endif /* _WIN32 */
/* In order for extension support to be portable, we need to define an
* OpenGL function call method. We use the keyword APIENTRY, which is
* defined for Win32. (Note: Windows also needs this for <GL/gl.h>)
*/
#ifndef APIENTRY
#ifdef _WIN32
#define APIENTRY __stdcall
#else
#define APIENTRY
#endif
#endif /* APIENTRY */
/* The following three defines are here solely to make some Windows-based
* <GL/gl.h> files happy. Theoretically we could include <windows.h>, but
* it has the major drawback of severely polluting our namespace.
*/
/* Under Windows, we need WINGDIAPI defined */
#if !defined(WINGDIAPI) && defined(_WIN32)
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__POCC__)
/* Microsoft Visual C++, Borland C++ Builder and Pelles C */
#define WINGDIAPI __declspec(dllimport)
#elif defined(__LCC__)
/* LCC-Win32 */
#define WINGDIAPI __stdcall
#else
/* Others (e.g. MinGW, Cygwin) */
#define WINGDIAPI extern
#endif
#define GLFW_WINGDIAPI_DEFINED
#endif /* WINGDIAPI */
/* Some <GL/glu.h> files also need CALLBACK defined */
#if !defined(CALLBACK) && defined(_WIN32)
#if defined(_MSC_VER)
/* Microsoft Visual C++ */
#if (defined(_M_MRX000) || defined(_M_IX86) || defined(_M_ALPHA) || defined(_M_PPC)) && !defined(MIDL_PASS)
#define CALLBACK __stdcall
#else
#define CALLBACK
#endif
#else
/* Other Windows compilers */
#define CALLBACK __stdcall
#endif
#define GLFW_CALLBACK_DEFINED
#endif /* CALLBACK */
/* Most <GL/glu.h> variants on Windows need wchar_t */
#if defined(_WIN32)
#include <stddef.h>
#endif
/* ---------------- GLFW related system specific defines ----------------- */
#if defined(GLFW_DLL) && defined(_GLFW_BUILD_DLL)
#error "You must not have both GLFW_DLL and _GLFW_BUILD_DLL defined"
#endif
#if defined(_WIN32) && defined(_GLFW_BUILD_DLL)
/* We are building a Win32 DLL */
#define GLFWAPI __declspec(dllexport)
#elif defined(_WIN32) && defined(GLFW_DLL)
/* We are calling a Win32 DLL */
#if defined(__LCC__)
#define GLFWAPI extern
#else
#define GLFWAPI __declspec(dllimport)
#endif
#else
/* We are either building/calling a static lib or we are non-win32 */
#define GLFWAPI
#endif
/* -------------------- END SYSTEM/COMPILER SPECIFIC --------------------- */
/* Include the chosen client API headers.
*/
#if defined(__APPLE_CC__)
#if defined(GLFW_INCLUDE_GLCOREARB)
#include <OpenGL/gl3.h>
#else
#define GL_GLEXT_LEGACY
#include <OpenGL/gl.h>
#endif
#if defined(GLFW_INCLUDE_GLU)
#include <OpenGL/glu.h>
#endif
#else
#if defined(GLFW_INCLUDE_GLCOREARB)
#include <GL/glcorearb.h>
#elif defined(GLFW_INCLUDE_ES1)
#include <GLES/gl.h>
#elif defined(GLFW_INCLUDE_ES2)
#include <GLES2/gl2.h>
#else
#include <GL/gl.h>
#endif
#if defined(GLFW_INCLUDE_GLU)
#include <GL/glu.h>
#endif
#endif
/*************************************************************************
* GLFW version
*************************************************************************/
/*! @name GLFW version macros
* @{ */
/*! @brief The major version number of the GLFW library.
*
* This is incremented when the API is changed in non-compatible ways.
* @ingroup init
*/
#define GLFW_VERSION_MAJOR 3
/*! @brief The minor version number of the GLFW library.
*
* This is incremented when features are added to the API but it remains
* backward-compatible.
* @ingroup init
*/
#define GLFW_VERSION_MINOR 0
/*! @brief The revision number of the GLFW library.
*
* This is incremented when a bug fix release is made that does not contain any
* API changes.
* @ingroup init
*/
#define GLFW_VERSION_REVISION 0
/*! @} */
/*************************************************************************
* Input handling definitions
*************************************************************************/
/*! @name Key and button actions
* @{ */
/*! @brief The key or button was released.
* @ingroup input
*/
#define GLFW_RELEASE 0
/*! @brief The key or button was pressed.
* @ingroup input
*/
#define GLFW_PRESS 1
/*! @} */
/* Keyboard raw key codes.
* These key codes are inspired by the USB HID Usage Tables v1.12 (p. 53-60),
* but re-arranged to map to 7-bit ASCII for printable keys (function keys are
* put in the 256+ range).
* The naming of the key codes follow these rules:
* - The US keyboard layout is used.
* - Names of printable alpha-numeric characters are used (e.g. "A", "R",
* "3", etc).
* - For non-alphanumeric characters, Unicode:ish names are used (e.g.
* "COMMA", "LEFT_SQUARE_BRACKET", etc). Note that some names do not
* correspond to the Unicode standard (usually for brevity).
* - Keys that lack a clear US mapping are named "WORLD_x".
* - For non-printable keys, custom names are used (e.g. "F4",
* "BACKSPACE", etc).
*/
/*! @defgroup keys Keyboard keys
* @ingroup input
* @{
*/
/* Printable keys */
#define GLFW_KEY_SPACE 32
#define GLFW_KEY_APOSTROPHE 39 /* ' */
#define GLFW_KEY_COMMA 44 /* , */
#define GLFW_KEY_MINUS 45 /* - */
#define GLFW_KEY_PERIOD 46 /* . */
#define GLFW_KEY_SLASH 47 /* / */
#define GLFW_KEY_0 48
#define GLFW_KEY_1 49
#define GLFW_KEY_2 50
#define GLFW_KEY_3 51
#define GLFW_KEY_4 52
#define GLFW_KEY_5 53
#define GLFW_KEY_6 54
#define GLFW_KEY_7 55
#define GLFW_KEY_8 56
#define GLFW_KEY_9 57
#define GLFW_KEY_SEMICOLON 59 /* ; */
#define GLFW_KEY_EQUAL 61 /* = */
#define GLFW_KEY_A 65
#define GLFW_KEY_B 66
#define GLFW_KEY_C 67
#define GLFW_KEY_D 68
#define GLFW_KEY_E 69
#define GLFW_KEY_F 70
#define GLFW_KEY_G 71
#define GLFW_KEY_H 72
#define GLFW_KEY_I 73
#define GLFW_KEY_J 74
#define GLFW_KEY_K 75
#define GLFW_KEY_L 76
#define GLFW_KEY_M 77
#define GLFW_KEY_N 78
#define GLFW_KEY_O 79
#define GLFW_KEY_P 80
#define GLFW_KEY_Q 81
#define GLFW_KEY_R 82
#define GLFW_KEY_S 83
#define GLFW_KEY_T 84
#define GLFW_KEY_U 85
#define GLFW_KEY_V 86
#define GLFW_KEY_W 87
#define GLFW_KEY_X 88
#define GLFW_KEY_Y 89
#define GLFW_KEY_Z 90
#define GLFW_KEY_LEFT_BRACKET 91 /* [ */
#define GLFW_KEY_BACKSLASH 92 /* \ */
#define GLFW_KEY_RIGHT_BRACKET 93 /* ] */
#define GLFW_KEY_GRAVE_ACCENT 96 /* ` */
#define GLFW_KEY_WORLD_1 161 /* non-US #1 */
#define GLFW_KEY_WORLD_2 162 /* non-US #2 */
/* Function keys */
#define GLFW_KEY_ESCAPE 256
#define GLFW_KEY_ENTER 257
#define GLFW_KEY_TAB 258
#define GLFW_KEY_BACKSPACE 259
#define GLFW_KEY_INSERT 260
#define GLFW_KEY_DELETE 261
#define GLFW_KEY_RIGHT 262
#define GLFW_KEY_LEFT 263
#define GLFW_KEY_DOWN 264
#define GLFW_KEY_UP 265
#define GLFW_KEY_PAGE_UP 266
#define GLFW_KEY_PAGE_DOWN 267
#define GLFW_KEY_HOME 268
#define GLFW_KEY_END 269
#define GLFW_KEY_CAPS_LOCK 280
#define GLFW_KEY_SCROLL_LOCK 281
#define GLFW_KEY_NUM_LOCK 282
#define GLFW_KEY_PRINT_SCREEN 283
#define GLFW_KEY_PAUSE 284
#define GLFW_KEY_F1 290
#define GLFW_KEY_F2 291
#define GLFW_KEY_F3 292
#define GLFW_KEY_F4 293
#define GLFW_KEY_F5 294
#define GLFW_KEY_F6 295
#define GLFW_KEY_F7 296
#define GLFW_KEY_F8 297
#define GLFW_KEY_F9 298
#define GLFW_KEY_F10 299
#define GLFW_KEY_F11 300
#define GLFW_KEY_F12 301
#define GLFW_KEY_F13 302
#define GLFW_KEY_F14 303
#define GLFW_KEY_F15 304
#define GLFW_KEY_F16 305
#define GLFW_KEY_F17 306
#define GLFW_KEY_F18 307
#define GLFW_KEY_F19 308
#define GLFW_KEY_F20 309
#define GLFW_KEY_F21 310
#define GLFW_KEY_F22 311
#define GLFW_KEY_F23 312
#define GLFW_KEY_F24 313
#define GLFW_KEY_F25 314
#define GLFW_KEY_KP_0 320
#define GLFW_KEY_KP_1 321
#define GLFW_KEY_KP_2 322
#define GLFW_KEY_KP_3 323
#define GLFW_KEY_KP_4 324
#define GLFW_KEY_KP_5 325
#define GLFW_KEY_KP_6 326
#define GLFW_KEY_KP_7 327
#define GLFW_KEY_KP_8 328
#define GLFW_KEY_KP_9 329
#define GLFW_KEY_KP_DECIMAL 330
#define GLFW_KEY_KP_DIVIDE 331
#define GLFW_KEY_KP_MULTIPLY 332
#define GLFW_KEY_KP_SUBTRACT 333
#define GLFW_KEY_KP_ADD 334
#define GLFW_KEY_KP_ENTER 335
#define GLFW_KEY_KP_EQUAL 336
#define GLFW_KEY_LEFT_SHIFT 340
#define GLFW_KEY_LEFT_CONTROL 341
#define GLFW_KEY_LEFT_ALT 342
#define GLFW_KEY_LEFT_SUPER 343
#define GLFW_KEY_RIGHT_SHIFT 344
#define GLFW_KEY_RIGHT_CONTROL 345
#define GLFW_KEY_RIGHT_ALT 346
#define GLFW_KEY_RIGHT_SUPER 347
#define GLFW_KEY_MENU 348
#define GLFW_KEY_LAST GLFW_KEY_MENU
/* GLFW 2.x key name aliases (deprecated) */
#define GLFW_KEY_ESC GLFW_KEY_ESCAPE
#define GLFW_KEY_DEL GLFW_KEY_DELETE
#define GLFW_KEY_PAGEUP GLFW_KEY_PAGE_UP
#define GLFW_KEY_PAGEDOWN GLFW_KEY_PAGE_DOWN
#define GLFW_KEY_KP_NUM_LOCK GLFW_KEY_NUM_LOCK
#define GLFW_KEY_LCTRL GLFW_KEY_LEFT_CONTROL
#define GLFW_KEY_LSHIFT GLFW_KEY_LEFT_SHIFT
#define GLFW_KEY_LALT GLFW_KEY_LEFT_ALT
#define GLFW_KEY_LSUPER GLFW_KEY_LEFT_SUPER
#define GLFW_KEY_RCTRL GLFW_KEY_RIGHT_CONTROL
#define GLFW_KEY_RSHIFT GLFW_KEY_RIGHT_SHIFT
#define GLFW_KEY_RALT GLFW_KEY_RIGHT_ALT
#define GLFW_KEY_RSUPER GLFW_KEY_RIGHT_SUPER
/*! @} */
/*! @defgroup buttons Mouse buttons
* @ingroup input
* @{ */
#define GLFW_MOUSE_BUTTON_1 0
#define GLFW_MOUSE_BUTTON_2 1
#define GLFW_MOUSE_BUTTON_3 2
#define GLFW_MOUSE_BUTTON_4 3
#define GLFW_MOUSE_BUTTON_5 4
#define GLFW_MOUSE_BUTTON_6 5
#define GLFW_MOUSE_BUTTON_7 6
#define GLFW_MOUSE_BUTTON_8 7
#define GLFW_MOUSE_BUTTON_LAST GLFW_MOUSE_BUTTON_8
#define GLFW_MOUSE_BUTTON_LEFT GLFW_MOUSE_BUTTON_1
#define GLFW_MOUSE_BUTTON_RIGHT GLFW_MOUSE_BUTTON_2
#define GLFW_MOUSE_BUTTON_MIDDLE GLFW_MOUSE_BUTTON_3
/*! @} */
/*! @defgroup joysticks Joysticks
* @ingroup input
* @{ */
#define GLFW_JOYSTICK_1 0
#define GLFW_JOYSTICK_2 1
#define GLFW_JOYSTICK_3 2
#define GLFW_JOYSTICK_4 3
#define GLFW_JOYSTICK_5 4
#define GLFW_JOYSTICK_6 5
#define GLFW_JOYSTICK_7 6
#define GLFW_JOYSTICK_8 7
#define GLFW_JOYSTICK_9 8
#define GLFW_JOYSTICK_10 9
#define GLFW_JOYSTICK_11 10
#define GLFW_JOYSTICK_12 11
#define GLFW_JOYSTICK_13 12
#define GLFW_JOYSTICK_14 13
#define GLFW_JOYSTICK_15 14
#define GLFW_JOYSTICK_16 15
#define GLFW_JOYSTICK_LAST GLFW_JOYSTICK_16
/*! @} */
/*************************************************************************
* Other definitions
*************************************************************************/
/*! @brief A regular, overlapped window.
* @ingroup window
*/
#define GLFW_WINDOWED 0x00010001
/*! @brief A fullscreen window that may changed the monitor's resolution.
* @ingroup window
*/
#define GLFW_FULLSCREEN 0x00010002
/*! @defgroup paramhints Window parameters and hints
* @ingroup window
* @{ */
/*! @brief @c GL_TRUE if the window has focus, or @c GL_FALSE otherwise.
*/
#define GLFW_FOCUSED 0x00020001
/*! @brief @c GL_TRUE if the window is iconified, or @c GL_FALSE otherwise.
*/
#define GLFW_ICONIFIED 0x00020002
/*! @brief @c GL_TRUE if the window has been requested to close, or @c GL_FALSE
* otherwise.
*/
#define GLFW_CLOSE_REQUESTED 0x00020003
/*! @brief The client API version revision.
*/
#define GLFW_CONTEXT_REVISION 0x00020004
/*! @brief The bit depth of the red component of the color buffer.
*/
#define GLFW_RED_BITS 0x00021000
/*! @brief The bit depth of the green component of the color buffer.
*/
#define GLFW_GREEN_BITS 0x00021001
/*! @brief The bit depth of the blue component of the color buffer.
*/
#define GLFW_BLUE_BITS 0x00021002
/*! @brief The bit depth of the alpha component of the color buffer.
*/
#define GLFW_ALPHA_BITS 0x00021003
/*! @brief The bit depth of the depth buffer of the default framebuffer.
*/
#define GLFW_DEPTH_BITS 0x00021004
/*! @brief The bit depth of the stencil buffer of the default framebuffer.
*/
#define GLFW_STENCIL_BITS 0x00021005
/*! @brief The monitor refresh rate.
*/
#define GLFW_REFRESH_RATE 0x00021006
/*! @brief The bit depth of the red component of the accumulation buffer.
*/
#define GLFW_ACCUM_RED_BITS 0x00021007
/*! @brief The bit depth of the red component of the accumulation buffer.
*/
#define GLFW_ACCUM_GREEN_BITS 0x00021008
/*! @brief The bit depth of the red component of the accumulation buffer.
*/
#define GLFW_ACCUM_BLUE_BITS 0x00021009
/*! @brief The bit depth of the red component of the accumulation buffer.
*/
#define GLFW_ACCUM_ALPHA_BITS 0x0002100A
/*! @brief The number of auxiliary buffers.
*/
#define GLFW_AUX_BUFFERS 0x0002100B
/*! @brief @c GL_TRUE for stereo rendering, or @c GL_FALSE otherwise.
*/
#define GLFW_STEREO 0x0002100C
/*! @brief The number of samples used for default framebuffer multisampling, or
* zero to disable multisampling.
*/
#define GLFW_FSAA_SAMPLES 0x0002100E
/*! @brief @c GL_TRUE if the framebuffer should be sRGB capable, or @c GL_FALSE
* otherwise.
*/
#define GLFW_SRGB_CAPABLE 0x0002100F
/*! @brief The @link clients client API @endlink to create a context for.
*/
#define GLFW_CLIENT_API 0x00022000
#define GLFW_CONTEXT_VERSION_MAJOR 0x00022001
#define GLFW_CONTEXT_VERSION_MINOR 0x00022002
#define GLFW_CONTEXT_ROBUSTNESS 0x00022003
#define GLFW_OPENGL_FORWARD_COMPAT 0x00022004
#define GLFW_OPENGL_DEBUG_CONTEXT 0x00022005
#define GLFW_OPENGL_PROFILE 0x00022006
/*! @brief @c GL_TRUE if the window is resizable, or @c GL_FALSE otherwise.
*/
#define GLFW_RESIZABLE 0x00022007
/*! @brief @c GL_TRUE if the window is visible, or @c GL_FALSE otherwise.
*/
#define GLFW_VISIBLE 0x00022008
/*! @brief The x-coordinate, in pixels, of the upper-left corner of the
* client area of the window.
*/
#define GLFW_POSITION_X 0x00022009
/*! @brief The y-coordinate, in pixels, of the upper-left corner of the
* client area of the window.
*/
#define GLFW_POSITION_Y 0x0002200A
/*! @} */
/*! @name Client APIs
* @{ */
/*! @brief The OpenGL API.
* @ingroup context
*/
#define GLFW_OPENGL_API 0x00000001
/*! @brief The OpenGL ES API.
* @ingroup context
*/
#define GLFW_OPENGL_ES_API 0x00000002
/*! @} */
/*! @name Context robustness strategies
* @{ */
/*! @brief No robustness strategy is used.
*
* This is the default.
* @ingroup context
*/
#define GLFW_NO_ROBUSTNESS 0x00000000
/*! @brief
* @ingroup context
*/
#define GLFW_NO_RESET_NOTIFICATION 0x00000001
/*! @brief
* @ingroup context
*/
#define GLFW_LOSE_CONTEXT_ON_RESET 0x00000002
/*! @} */
/*! @name OpenGL profiles
* @{ */
/*! @brief No OpenGL profile.
* @ingroup context
*/
#define GLFW_OPENGL_NO_PROFILE 0x00000000
/*! @brief The OpenGL core profile.
* @ingroup context
*/
#define GLFW_OPENGL_CORE_PROFILE 0x00000001
/*! @brief The OpenGL compatibility profile.
* @ingroup context
*/
#define GLFW_OPENGL_COMPAT_PROFILE 0x00000002
/*! @} */
/*! @name Input modes
* @{ */
/*! @brief The behaviour of the cursor.
* @ingroup input
*/
#define GLFW_CURSOR_MODE 0x00030001
/*! @brief Whether the @ref glfwGetKey function uses sticky state.
* @ingroup input
*/
#define GLFW_STICKY_KEYS 0x00030002
/*! @brief Whether the @ref glfwGetMouseButton function uses sticky state.
* @ingroup input
*/
#define GLFW_STICKY_MOUSE_BUTTONS 0x00030003
/*! @} */
/*! @name Cursor modes
* @{ */
/*! @brief The cursor is visible and behaves normally.
* @ingroup input
*/
#define GLFW_CURSOR_NORMAL 0x00040001
/*! @brief The cursor is hidden when over the client area of the window.
* @ingroup input
*/
#define GLFW_CURSOR_HIDDEN 0x00040002
/*! @brief The cursor is disabled and cursor movement is unbounded.
* @ingroup input
*/
#define GLFW_CURSOR_CAPTURED 0x00040003
/*! @} */
/*! @name Joystick parameters
* @{ */
/*! @brief @c GL_TRUE if the joystick is present, or @c GL_FALSE otherwise.
* @ingroup input
*/
#define GLFW_PRESENT 0x00050001
/*! @brief The number of axes on the specified joystick, or zero if the joystick
* is not present.
* @ingroup input
*/
#define GLFW_AXES 0x00050002
/*! @brief The number of buttons on the specified joystick, or zero if the
* joystick is not present.
* @ingroup input
*/
#define GLFW_BUTTONS 0x00050003
/*! @} */
/*! @defgroup errors Error codes
* @ingroup error
* @{ */
/*! @brief No error has occurred.
*/
#define GLFW_NO_ERROR 0
/*! @brief GLFW has not been initialized.
*/
#define GLFW_NOT_INITIALIZED 0x00070001
/*! @brief No context is current for this thread.
*/
#define GLFW_NO_CURRENT_CONTEXT 0x00070002
/*! @brief One of the enum parameters for the function was given an invalid
* enum.
*/
#define GLFW_INVALID_ENUM 0x00070003
/*! @brief One of the parameters for the function was given an invalid value.
*/
#define GLFW_INVALID_VALUE 0x00070004
/*! @brief A memory allocation failed.
*/
#define GLFW_OUT_OF_MEMORY 0x00070005
/*! @brief GLFW could not find support for the requested client API on the
* system.
*/
#define GLFW_API_UNAVAILABLE 0x00070006
/*! @brief The requested client API version is not available.
*/
#define GLFW_VERSION_UNAVAILABLE 0x00070007
/*! @brief A platform-specific error occurred that does not match any of the
* more specific categories.
*/
#define GLFW_PLATFORM_ERROR 0x00070008
/*! @brief The clipboard did not contain data in the requested format.
*/
#define GLFW_FORMAT_UNAVAILABLE 0x00070009
/*! @} */
/*! @brief The number of entries in the gamma ramp.
* @ingroup gamma
*/
#define GLFW_GAMMA_RAMP_SIZE 256
/*************************************************************************
* Typedefs
*************************************************************************/
/*! @brief Client API function pointer type.
* @ingroup context
*/
typedef void (*GLFWglproc)(void);
/*! @brief Window handle type.
* @ingroup window
*/
typedef void* GLFWwindow;
/*! @brief The function signature for error callbacks.
* @param[in] error An @link errors error code @endlink.
* @param[in] description A UTF-8 encoded string describing the error.
* @ingroup error
*/
typedef void (* GLFWerrorfun)(int,const char*);
/*! @brief The function signature for window position callbacks.
* @param[in] window The window that the user moved.
* @param[in] x The new x-coordinate, in pixels, of the upper-left corner of
* the client area of the window.
* @param[in] y The new y-coordinate, in pixels, of the upper-left corner of
* the client area of the window.
* @ingroup window
*/
typedef void (* GLFWwindowposfun)(GLFWwindow,int,int);
/*! @brief The function signature for window resize callbacks.
* @param[in] window The window that the user resized.
* @param[in] width The new width, in pixels, of the window.
* @param[in] height The new height, in pixels, of the window.
* @ingroup window
*/
typedef void (* GLFWwindowsizefun)(GLFWwindow,int,int);
/*! @brief The function signature for window close callbacks.
* @param[in] window The window that the user attempted to close.
* @return @c GL_TRUE to allow the window to be closed, or @c GL_FALSE to
* ignore the attempt.
* @ingroup window
*/
typedef int (* GLFWwindowclosefun)(GLFWwindow);
/*! @brief The function signature for window content refresh callbacks.
* @param[in] window The window whose content needs to be refreshed.
* @ingroup window
*/
typedef void (* GLFWwindowrefreshfun)(GLFWwindow);
/*! @brief The function signature for window focus/defocus callbacks.
* @param[in] window The window that was focused or defocused.
* @param[in] focused @c GL_TRUE if the window was focused, or @c GL_FALSE if
* it was defocused.
* @ingroup window
*/
typedef void (* GLFWwindowfocusfun)(GLFWwindow,int);
/*! @brief The function signature for window iconify/restore callbacks.
* @param[in] window The window that was iconified or restored.
* @param[in] iconified @c GL_TRUE if the window was iconified, or @c GL_FALSE
* if it was restored.
* @ingroup window
*/
typedef void (* GLFWwindowiconifyfun)(GLFWwindow,int);
/*! @brief The function signature for mouse button callbacks.
* @param[in] window The window that received the event.
* @param[in] button The @link buttons mouse button @endlink that was pressed
* or released.
* @param[in] action @ref GLFW_PRESS or @ref GLFW_RELEASE.
* @ingroup input
*/
typedef void (* GLFWmousebuttonfun)(GLFWwindow,int,int);
/*! @brief The function signature for cursor position callbacks.
* @param[in] window The window that received the event.
* @param[in] x The new x-coordinate of the cursor.
* @param[in] y The new y-coordinate of the cursor.
* @ingroup input
*/
typedef void (* GLFWcursorposfun)(GLFWwindow,int,int);
/*! @brief The function signature for cursor enter/exit callbacks.
* @param[in] window The window that received the event.
* @param[in] entered @c GL_TRUE if the cursor entered the window's client
* area, or @c GL_FALSE if it left it.
* @ingroup input
*/
typedef void (* GLFWcursorenterfun)(GLFWwindow,int);
/*! @brief The function signature for scroll callbacks.
* @param[in] window The window that received the event.
* @param[in] x The scroll offset along the x-axis.
* @param[in] y The scroll offset along the y-axis.
* @ingroup input
*/
typedef void (* GLFWscrollfun)(GLFWwindow,double,double);
/*! @brief The function signature for keyboard key callbacks.
* @param[in] window The window that received the event.
* @param[in] key The @link keys keyboard key @endlink that was pressed or
* released.
* @param[in] action @ref GLFW_PRESS or @ref GLFW_RELEASE.
* @ingroup input
*/
typedef void (* GLFWkeyfun)(GLFWwindow,int,int);
/*! @brief The function signature for Unicode character callbacks.
* @param[in] window The window that received the event.
* @param[in] character The Unicode code point of the character.
* @ingroup input
*/
typedef void (* GLFWcharfun)(GLFWwindow,int);
/* @brief Video mode type.
* @ingroup monitor
*/
typedef struct
{
int width;
int height;
int redBits;
int blueBits;
int greenBits;
} GLFWvidmode;
/*! @brief Gamma ramp.
* @ingroup gamma
*/
typedef struct
{
unsigned short red[GLFW_GAMMA_RAMP_SIZE];
unsigned short green[GLFW_GAMMA_RAMP_SIZE];
unsigned short blue[GLFW_GAMMA_RAMP_SIZE];
} GLFWgammaramp;
/*************************************************************************
* Prototypes
*************************************************************************/
/*! @brief Initializes the GLFW library.
*
* Before most GLFW functions can be used, GLFW must be initialized, and before
* a program terminates GLFW should be terminated in order to free allocated
* resources, memory, etc.
*
* @return @c GL_TRUE if successful, or @c GL_FALSE if an error occurred.
* @ingroup init
*
* @remarks Additional calls to this function after successful initialization
* but before termination will succeed but will do nothing.
*
* @note This function may only be called from the main thread.
*
* @note This function may take several seconds to complete on some systems,
* while on other systems it may take only a fraction of a second to complete.
*
* @note On Mac OS X, this function will change the current directory of the
* application to the @c Contents/Resources subdirectory of the application's
* bundle, if present.
*
* @sa glfwTerminate
*/
GLFWAPI int glfwInit(void);
/*! @brief Terminates the GLFW library.
* @ingroup init
*
* @remarks This function may be called before @ref glfwInit.
*
* @note This function may only be called from the main thread.
*
* @note This function closes all GLFW windows.
*
* @note This function should be called before the program exits.
*
* @warning No window's context may be current on another thread when this
* function is called.
*
* @sa glfwInit
*/
GLFWAPI void glfwTerminate(void);
/*! @brief Retrieves the version of the GLFW library.
* @param[out] major Where to store the major version number, or @c NULL.
* @param[out] minor Where to store the minor version number, or @c NULL.
* @param[out] rev Where to store the revision number, or @c NULL.
* @ingroup init
*
* @remarks This function may be called before @ref glfwInit.
*
* @remarks This function may be called from secondary threads.
*
* @sa glfwGetVersionString
*/
GLFWAPI void glfwGetVersion(int* major, int* minor, int* rev);
/*! @brief Returns the version string of the GLFW library.
*
* The version string contains information about what compile-time options were
* enabled when the library was built.
*
* @return The GLFW version string.
* @ingroup init
*
* @remarks This function may be called before @ref glfwInit.
*
* @remarks This function may be called from secondary threads.
*
* @sa glfwGetVersion
*/
GLFWAPI const char* glfwGetVersionString(void);
/*! @brief Retrieves the latest error.
* @return The latest @link errors error code @endlink.
* @ingroup error
*
* @remarks This function may be called before @ref glfwInit.
*/
GLFWAPI int glfwGetError(void);
/*! @brief Retrieves a generic, human readable description of the specified error.
* @param[in] error The @link errors error code @endlink to be described.
* @return A UTF-8 encoded string describing the error.
* @ingroup error
*
* @remarks This function may be called before @ref glfwInit.
*
* @remarks This function may be called from secondary threads.
*/
GLFWAPI const char* glfwErrorString(int error);
/*! @brief Sets the error callback.
* @param[in] cbfun The new callback, or @c NULL to remove the currently set
* callback.
* @ingroup error
*
* @remarks This function may be called before @ref glfwInit.
*
* @remarks The error callback is the preferred error retrieval mechanism, as
* it may be provided with a more specific error description than the generic
* one returned by @ref glfwErrorString.
*
* @note Because the description string provided to the callback may have been
* generated specifically for that error, it is not guaranteed to be valid
* after the callback has returned. If you wish to use it after that, you need
* to make your own copy of it before returning.
*/
GLFWAPI void glfwSetErrorCallback(GLFWerrorfun cbfun);
/*! @brief This function will be replaced when the @c multi-monitor branch is
* merged.
* @ingroup monitor
*/
GLFWAPI GLFWvidmode* glfwGetVideoModes(int* count);
/*! @brief This function will be replaced when the @c multi-monitor branch is
* merged.
* @ingroup monitor
*/
GLFWAPI void glfwGetDesktopMode(GLFWvidmode* mode);
/*! @brief Sets the system gamma ramp to one generated from the specified
* exponent.
* @param[in] gamma The desired exponent.
* @ingroup gamma
*/
GLFWAPI void glfwSetGamma(float gamma);
/*! @brief Retrieves the current system gamma ramp.
* @param[out] ramp Where to store the gamma ramp.
* @ingroup gamma
*/
GLFWAPI void glfwGetGammaRamp(GLFWgammaramp* ramp);
/*! @brief Sets the system gamma ramp to the one specified.
* @param[in] ramp The gamma ramp to use.
* @ingroup gamma
*/
GLFWAPI void glfwSetGammaRamp(const GLFWgammaramp* ramp);
/*! @brief Resets all window hints to their default values
*
* The @ref GLFW_RED_BITS, @ref GLFW_GREEN_BITS, @ref GLFW_BLUE_BITS, @ref
* GLFW_ALPHA_BITS and @ref GLFW_STENCIL_BITS hints are set to 8.
*
* The @ref GLFW_DEPTH_BITS hint is set to 24.
*
* The @ref GLFW_VISIBLE and @ref GLFW_RESIZABLE hints are set to 1.
*
* The @ref GLFW_CLIENT_API hint is set to @ref GLFW_OPENGL_API.
*
* The @ref GLFW_CONTEXT_VERSION_MAJOR and @ref GLFW_CONTEXT_VERSION_MINOR
* hints are set to 1 and 0, respectively.
*
* All other hints are set to 0.
*
* @ingroup window
*
* @note This function may only be called from the main thread.
*
* @sa glfwWindowHint
*/
GLFWAPI void glfwDefaultWindowHints(void);
/*! @brief Sets the specified window hint to the desired value.
* @param[in] target The window hint to set.
* @param[in] target The new value of the window hint.
* @ingroup window
*
* The @ref GLFW_RED_BITS, @ref GLFW_GREEN_BITS, @ref GLFW_BLUE_BITS, @ref
* GLFW_ALPHA_BITS, @ref GLFW_DEPTH_BITS and @ref GLFW_STENCIL_BITS hints
* specify the desired bit depths of the various components of the default
* framebuffer.
*
* The @ref GLFW_REFRESH_RATE hint specifies the desired monitor refresh rate
* for fullscreen windows.
*
* The @ref GLFW_ACCUM_RED_BITS, @ref GLFW_ACCUM_GREEN_BITS, @ref
* GLFW_ACCUM_BLUE_BITS and @ref GLFW_ACCUM_ALPHA_BITS hints specify the
* desired bit depths of the various components of the accumulation buffer.
*
* The @ref GLFW_AUX_BUFFERS hint specifies the desired number of auxiliary
* buffers.
*
* The @ref GLFW_STEREO hint specifies whether to use stereoscopic rendering.
*
* The @ref GLFW_FSAA_SAMPLES hint specifies the desired number of samples to
* use for multisampling.
*
* The @ref GLFW_SRGB_CAPABLE hint specifies whether the framebuffer should be
* sRGB capable.
*
* The @ref GLFW_CLIENT_API hint specifies which client API to create the
* context for. Possible values are @ref GLFW_OPENGL_API and @ref
* GLFW_OPENGL_ES_API.
*
* The @ref GLFW_CONTEXT_VERSION_MAJOR and @ref GLFW_CONTEXT_VERSION_MINOR
* hints specify the client API version that the created context must be
* compatible with.
*
* For OpenGL, these hints are @em not hard constraints, as they don't have to
* match exactly, but @ref glfwCreateWindow will still fail if the resulting
* OpenGL version is less than the one requested. It is therefore perfectly
* safe to use the default of version 1.0 for legacy code and you will still
* get backwards-compatible contexts of version 3.0 and above when available.
*
* For OpenGL ES, these hints are hard constraints, as there is no backward
* compatibility between OpenGL ES versions.
*
* The @ref GLFW_OPENGL_FORWARD_COMPAT hint specifies whether the OpenGL
* context should be forward-compatible, i.e. one where all functionality
* deprecated in the requested version of OpenGL is removed.
*
* The @ref GLFW_OPENGL_DEBUG_CONTEXT hint specifies whether to create a debug
* OpenGL context, which may have additional error and performance issue
* reporting functionality.
*
* The @ref GLFW_OPENGL_PROFILE hint specifies which OpenGL profile to create
* the context for. Possible values are @ref GLFW_OPENGL_NO_PROFILE, @ref
* GLFW_OPENGL_CORE_PROFILE and @ref GLFW_OPENGL_COMPAT_PROFILE.
*
* The @ref GLFW_CONTEXT_ROBUSTNESS hint specifies the robustness strategy to
* be used by the context.
*
* The @ref GLFW_RESIZABLE hint specifies whether the window will be resizable
* by the user. The window will still be resizable using the @ref
* glfwSetWindowSize function. This hint is ignored for fullscreen windows.
*
* The @ref GLFW_VISIBLE hint specifies whether the window will be initially
* visible. This hint is ignored for fullscreen windows.
*
* The @ref GLFW_POSITION_X and @ref GLFW_POSITION_Y hints specify the initial
* position of the window. These hints are ignored for fullscreen windows.
*
* Some window hints are hard constraints. These must match the available
* capabilities @em exactly for window and context creation to succeed. Hints
* that are not hard constraints are matched as closely as possible, but the
* resulting window and context may differ from what these hints requested. To
* find out the actual properties of the created window and context, use the
* @ref glfwGetWindowParam function.
*
* The following window hints are hard constraints:
* @arg @ref GLFW_STEREO
* @arg @ref GLFW_CLIENT_API
* @arg @ref GLFW_OPENGL_FORWARD_COMPAT
* @arg @ref GLFW_OPENGL_PROFILE
*
* @note This function may only be called from the main thread.
*
* @sa glfwDefaultWindowHints
*/
GLFWAPI void glfwWindowHint(int target, int hint);
/*! @brief Creates a window and its associated context.
*
* @param[in] width The desired width, in pixels, of the window. This must be
* greater than zero.
* @param[in] height The desired height, in pixels, of the window. This must
* be greater than zero.
* @param[in] mode One of @ref GLFW_WINDOWED or @ref GLFW_FULLSCREEN.
* @param[in] title The initial, UTF-8 encoded window title.
* @param[in] share The window whose context to share resources with, or @c
* NULL to not share resources.
* @return The handle of the created window, or @c NULL if an error occurred.
* @ingroup window
*
* @remarks Most of the options for how the window and its context should be
* created are specified via the @ref glfwWindowHint function.
*
* @remarks This function does not change which context is current. Before you
* can use the newly created context, you need to make it current using @ref
* glfwMakeContextCurrent.
*
* @remarks For fullscreen windows the initial cursor mode is @ref
* GLFW_CURSOR_CAPTURED and the screensaver is prohibited from starting. For
* regular windows the initial cursor mode is @ref GLFW_CURSOR_NORMAL and the
* screensaver is allowed to start.
*
* @remarks In order to determine the actual properties of an opened window,
* use @ref glfwGetWindowParam and @ref glfwGetWindowSize.
*
* @remarks On Microsoft Windows, if the executable has an icon resource named
* @c GLFW_ICON, it will be set as the icon for the window. If no such icon is
* present, the @c IDI_WINLOGO icon will be used instead.
*
* @remarks On Mac OS X the GLFW window has no icon, but programs using GLFW
* will use the application bundle's icon. Also, the first time a window is
* opened the menu bar is populated with common commands like Hide, Quit and
* About. The (minimal) about dialog uses information from the application's
* bundle. For more information on bundles, see the Bundle Programming Guide
* provided by Apple.
*
* @note This function may only be called from the main thread.
*
* @sa glfwDestroyWindow
*/
GLFWAPI GLFWwindow glfwCreateWindow(int width, int height, int mode, const char* title, GLFWwindow share);
/*! @brief Destroys the specified window and its context.
* @param[in] window The window to destroy.
* @ingroup window
*
* @note This function may only be called from the main thread.
*
* @note If the window's context is current on the main thread, it is
* detached before being destroyed.
*
* @warning The window's context must not be current on any other thread.
*
* @sa glfwCreateWindow
*/
GLFWAPI void glfwDestroyWindow(GLFWwindow window);
/*! @brief Sets the title of the specified window.
* @param[in] window The window whose title to change.
* @param[in] title The UTF-8 encoded window title.
* @ingroup window
*
* @note This function may only be called from the main thread.
*/
GLFWAPI void glfwSetWindowTitle(GLFWwindow window, const char* title);
/*! @brief Retrieves the size of the client area of the specified window.
* @param[in] window The window whose size to retrieve.
* @param[out] width The width of the client area.
* @param[out] height The height of the client area.
* @ingroup window
*
* @sa glfwSetWindowSize
*/
GLFWAPI void glfwGetWindowSize(GLFWwindow window, int* width, int* height);
/*! @brief Sets the size of the client area of the specified window.
* @param[in] window The window to resize.
* @param[in] width The desired width of the specified window.
* @param[in] height The desired height of the specified window.
* @ingroup window
*
* @note This function may only be called from the main thread.
*
* @note The window manager may put limits on what window sizes are allowed.
*
* @note For fullscreen windows, this function selects and switches to the
* resolution closest to the specified size, without destroying the window's
* context.
*
* @sa glfwGetWindowSize
*/
GLFWAPI void glfwSetWindowSize(GLFWwindow window, int width, int height);
/*! @brief Iconifies the specified window.
* @param[in] window The window to iconify.
* @ingroup window
*
* @remarks If the window is already iconified, this function does nothing.
*
* @note This function may only be called from the main thread.
*
* @sa glfwRestoreWindow
*/
GLFWAPI void glfwIconifyWindow(GLFWwindow window);
/*! @brief Restores the specified window.
* @param[in] window The window to restore.
* @ingroup window
*
* @remarks If the window is already restored, this function does nothing.
*
* @note This function may only be called from the main thread.
*
* @sa glfwIconifyWindow
*/
GLFWAPI void glfwRestoreWindow(GLFWwindow window);
/*! @brief Makes the specified window visible.
* @param[in] window The window to make visible.
* @ingroup window
*
* @remarks If the window is already visible or is in fullscreen mode, this
* function does nothing.
*
* @note This function may only be called from the main thread.
*
* @sa glfwHideWindow
*/
GLFWAPI void glfwShowWindow(GLFWwindow window);
/*! @brief Hides the specified window.
* @param[in] window The window to hide.
* @ingroup window
*
* @remarks If the window is already hidden or is in fullscreen mode, this
* function does nothing.
*
* @note This function may only be called from the main thread.
*
* @sa glfwShowWindow
*/
GLFWAPI void glfwHideWindow(GLFWwindow window);
/*! @brief Returns a property of the specified window.
* @param[in] window The window to query.
* @param[in] param The property whose value to return.
* @ingroup window
*
* The @ref GLFW_FOCUSED property indicates whether the window is focused.
*
* The @ref GLFW_ICONIFIED property indicates whether the window is iconified.
*
* The @ref GLFW_VISIBLE property indicates whether the window is visible.
*
* The @ref GLFW_RESIZABLE property indicates whether the window is resizable
* by the user.
*
* The @ref GLFW_CLOSE_REQUESTED property indicates whether the window has been
* requested by the user to close.
*
* The @ref GLFW_REFRESH_RATE property will be replaced when the @c
* multi-monitor branch is merged.
*
* The @ref GLFW_POSITION_X and @ref GLFW_POSITION_Y properties indicate the
* screen position, in pixels, of the upper-left corner of the window's client
* area.
*
* The @ref GLFW_CLIENT_API property indicates the client API provided by the
* window's context.
*
* The @ref GLFW_CONTEXT_VERSION_MAJOR, @ref GLFW_CONTEXT_VERSION_MINOR and
* @ref GLFW_CONTEXT_REVISION properties indicate the client API version of the
* window's context.
*
* The @ref GLFW_OPENGL_FORWARD_COMPAT property indicates whether an OpenGL
* context is forward-compatible.
*
* The @ref GLFW_OPENGL_DEBUG_CONTEXT property indicates whether the
* corresponding window hint was used when the window was created.
*
* The @ref GLFW_OPENGL_PROFILE property indicates the profile used by the
* OpenGL context, or @ref GLFW_OPENGL_NO_PROFILE if the context is for another
* client API than OpenGL.
*
* The @ref GLFW_CONTEXT_ROBUSTNESS property indicates the robustness strategy
* used by the context, or @ref GLFW_NO_ROBUSTNESS if robustness is not used.
*/
GLFWAPI int glfwGetWindowParam(GLFWwindow window, int param);
/*! @brief Sets the user pointer of the specified window.
* @param[in] window The window whose pointer to set.
* @param[in] pointer The new value.
* @ingroup window
*
* @sa glfwGetWindowUserPointer
*/
GLFWAPI void glfwSetWindowUserPointer(GLFWwindow window, void* pointer);
/*! @brief Returns the user pointer of the specified window.
* @param[in] window The window whose pointer to return.
* @ingroup window
*
* @sa glfwSetWindowUserPointer
*/
GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow window);
/*! @brief Sets the position callback for the specified window.
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or @c NULL to remove the currently set
* callback.
* @ingroup window
*/
GLFWAPI void glfwSetWindowPosCallback(GLFWwindow window, GLFWwindowposfun cbfun);
/*! @brief Sets the size callback for the specified window.
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or @c NULL to remove the currently set
* callback.
* @ingroup window
*
* This callback is called when the window is resized.
*/
GLFWAPI void glfwSetWindowSizeCallback(GLFWwindow window, GLFWwindowsizefun cbfun);
/*! @brief Sets the close callback for the specified window.
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or @c NULL to remove the currently set
* callback.
* @ingroup window
*
* This callback is called when the user attempts to close the window, i.e.
* clicks the window's close widget or, on Mac OS X, selects @b Quit from the
* application menu. Calling @ref glfwDestroyWindow does not cause this
* callback to be called.
*
* The return value of the close callback becomes the new value of the @ref
* GLFW_CLOSE_REQUESTED window parameter.
*/
GLFWAPI void glfwSetWindowCloseCallback(GLFWwindow window, GLFWwindowclosefun cbfun);
/*! @brief Sets the refresh callback for the specified window.
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or @c NULL to remove the currently set
* callback.
* @ingroup window
*
* This callback is called when the client area of the window needs to be
* redrawn, for example if the window has been exposed after having been
* covered by another window.
*
* @note On compositing window systems such as Mac OS X, where the window
* contents are saved off-screen, this callback may never be called.
*/
GLFWAPI void glfwSetWindowRefreshCallback(GLFWwindow window, GLFWwindowrefreshfun cbfun);
/*! @brief Sets the focus callback for the specified window.
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or @c NULL to remove the currently set
* callback.
* @ingroup window
*
* This callback is called when the window gains or loses focus.
*/
GLFWAPI void glfwSetWindowFocusCallback(GLFWwindow window, GLFWwindowfocusfun cbfun);
/*! @brief Sets the iconify callback for the specified window.
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or @c NULL to remove the currently set
* callback.
* @ingroup window
*
* This callback is called when the window is iconified or restored.
*/
GLFWAPI void glfwSetWindowIconifyCallback(GLFWwindow window, GLFWwindowiconifyfun cbfun);
/*! @brief Processes all pending events.
* @ingroup window
*
* @note This function may only be called from the main thread.
*
* @sa glfwWaitEvents
*/
GLFWAPI void glfwPollEvents(void);
/*! @brief Waits until events are pending and processes them.
* @ingroup window
*
* @note This function may only be called from the main thread.
*
* @sa glfwPollEvents
*/
GLFWAPI void glfwWaitEvents(void);
/*! @brief Returns the value of an input option for the specified window.
* @param[in] window The window to query.
* @param[in] mode One of the following:
* @arg @ref GLFW_CURSOR_MODE Sets the cursor mode.
* @arg @ref GLFW_STICKY_KEYS Sets whether sticky keys are enabled.
* @arg @ref GLFW_STICKY_MOUSE_BUTTONS Sets whether sticky mouse buttons are enabled.
* @ingroup input
*
* @sa glfwSetInputMode
*/
GLFWAPI int glfwGetInputMode(GLFWwindow window, int mode);
/*! @brief Sets an input option for the specified window.
* @param[in] mode One of the following:
* @arg @ref GLFW_CURSOR_MODE Sets the cursor mode.
* @arg @ref GLFW_STICKY_KEYS Sets whether sticky keys are enabled.
* @arg @ref GLFW_STICKY_MOUSE_BUTTONS Sets whether sticky mouse buttons are enabled.
* @ingroup input
*
* @sa glfwGetInputMode
*/
GLFWAPI void glfwSetInputMode(GLFWwindow window, int mode, int value);
/*! @brief Returns the last reported state of a keyboard key for the specified
* window.
* @param[in] window The desired window.
* @param[in] key The desired @link keys keyboard key @endlink.
* @return @ref GLFW_PRESS or @ref GLFW_RELEASE.
* @ingroup input
*/
GLFWAPI int glfwGetKey(GLFWwindow window, int key);
/*! @brief Returns the last reported state of a mouse button for the specified
* window.
* @param[in] window The desired window.
* @param[in] key The desired @link buttons mouse buttons @endlink.
* @return @ref GLFW_PRESS or @ref GLFW_RELEASE.
* @ingroup input
*/
GLFWAPI int glfwGetMouseButton(GLFWwindow window, int button);
/*! @brief Retrieves the last reported cursor position, relative to the client
* area of the window.
* @param[in] window The desired window.
* @param[out] xpos The cursor x-coordinate, relative to the left edge of the
* client area, or @c NULL.
* @param[out] ypos The cursor y-coordinate, relative to the to top edge of the
* client area, or @c NULL.
* @ingroup input
*
* @sa glfwSetCursorPos
*/
GLFWAPI void glfwGetCursorPos(GLFWwindow window, int* xpos, int* ypos);
/*! @brief Sets the position of the cursor, relative to the client area of the window.
* @param[in] window The desired window.
* @param[in] xpos The desired x-coordinate, relative to the left edge of the
* client area, or @c NULL.
* @param[in] ypos The desired y-coordinate, relative to the top edge of the
* client area, or @c NULL.
* @ingroup input
*
* @note The specified window must be focused.
*
* @sa glfwGetCursorPos
*/
GLFWAPI void glfwSetCursorPos(GLFWwindow window, int xpos, int ypos);
/*! @ingroup input
*/
GLFWAPI void glfwGetScrollOffset(GLFWwindow window, double* xoffset, double* yoffset);
/*! @brief Sets the key callback.
* @param[in] cbfun The new key callback, or @c NULL to remove the currently
* set callback.
* @ingroup input
*
* @remarks The key callback deals with physical keys, with @link keys tokens
* @endlink named after their use on the standard US keyboard layout. If you
* want to input text, use the Unicode character callback instead.
*/
GLFWAPI void glfwSetKeyCallback(GLFWwindow window, GLFWkeyfun cbfun);
/*! @brief Sets the Unicode character callback.
* @param[in] cbfun The new Unicode character callback, or @c NULL to remove
* the currently set callback.
* @ingroup input
*
* @remarks The Unicode character callback is for text input. If you want to
* know whether a specific key was pressed or released, use the key callback.
*/
GLFWAPI void glfwSetCharCallback(GLFWwindow window, GLFWcharfun cbfun);
/*! @brief Sets the mouse button callback.
* @param[in] cbfun The new mouse button callback, or @c NULL to remove the
* currently set callback.
* @ingroup input
*/
GLFWAPI void glfwSetMouseButtonCallback(GLFWwindow window, GLFWmousebuttonfun cbfun);
/*! @brief Sets the cursor position callback.
* @param[in] cbfun The new cursor position callback, or @c NULL to remove the
* currently set callback.
* @ingroup input
*
* @remarks The position is relative to the upper-left corner of the client
* area of the window.
*/
GLFWAPI void glfwSetCursorPosCallback(GLFWwindow window, GLFWcursorposfun cbfun);
/*! @brief Sets the cursor enter/exit callback.
* @param[in] cbfun The new cursor enter/exit callback, or @c NULL to remove
* the currently set callback.
* @ingroup input
*/
GLFWAPI void glfwSetCursorEnterCallback(GLFWwindow window, GLFWcursorenterfun cbfun);
/*! @brief Sets the scroll callback.
* @param[in] cbfun The new scroll callback, or @c NULL to remove the currently
* set callback.
* @ingroup input
*
* @note This receives all scrolling input, like that from a mouse wheel or
* a touchpad scrolling area.
*/
GLFWAPI void glfwSetScrollCallback(GLFWwindow window, GLFWscrollfun cbfun);
/*! @brief Returns a property of the specified joystick.
* @param[in] joy The joystick to query.
* @param[in] param The property whose value to return.
* @return The specified joystick's current value, or zero if the joystick is
* not present.
* @ingroup input
*/
GLFWAPI int glfwGetJoystickParam(int joy, int param);
/*! @brief Returns the values of axes of the specified joystick.
* @param[in] joy The joystick to query.
* @param[out] axes The array to hold the values.
* @param[in] numaxes The size of the provided array.
* @return The number of values written to @p axes.
* @ingroup input
*/
GLFWAPI int glfwGetJoystickAxes(int joy, float* axes, int numaxes);
/*! @brief Returns the values of buttons of the specified joystick.
* @param[in] joy The joystick to query.
* @param[out] buttons The array to hold the values.
* @param[in] numbuttons The size of the provided array.
* @return The number of values written to @p buttons.
* @ingroup input
*/
GLFWAPI int glfwGetJoystickButtons(int joy, unsigned char* buttons, int numbuttons);
/*! @brief Returns the name of the specified joystick.
* @param[in] joy The joystick to query.
* @return The UTF-8 encoded name of the joystick, or @c NULL if the joystick
* is not present.
* @ingroup input
*
* @note The returned string is valid only until the next call to @ref
* glfwGetJoystickName.
*/
GLFWAPI const char* glfwGetJoystickName(int joy);
/*! @brief Sets the clipboard to the specified string.
* @param[in] window The window that will own the clipboard contents.
* @param[in] string A UTF-8 encoded string.
* @ingroup clipboard
*
* @note This function may only be called from the main thread.
*
* @sa glfwGetClipboardString
*/
GLFWAPI void glfwSetClipboardString(GLFWwindow window, const char* string);
/*! @brief Retrieves the contents of the clipboard as a string.
* @param[in] window The window that will request the clipboard contents.
* @return The contents of the clipboard as a UTF-8 encoded string, or @c NULL
* if that format was unavailable.
* @ingroup clipboard
*
* @note This function may only be called from the main thread.
*
* @note The returned string is valid only until the next call to @ref
* glfwGetClipboardString or @ref glfwSetClipboardString.
*
* @sa glfwSetClipboardString
*/
GLFWAPI const char* glfwGetClipboardString(GLFWwindow window);
/*! @brief Retrieves the current value of the GLFW timer.
* @return The current value, in seconds.
* @ingroup time
*
* @remarks This function may be called from secondary threads.
*
* @remarks Unless the timer has been set using @ref glfwSetTime, the timer
* measures time elapsed since GLFW was initialized.
*
* @note The resolution of the timer is system dependent.
*/
GLFWAPI double glfwGetTime(void);
/*! @brief Sets the GLFW timer.
* @param[in] time The new value, in seconds.
* @ingroup time
*
* @note The resolution of the timer is system dependent.
*/
GLFWAPI void glfwSetTime(double time);
/*! @brief Makes the context of the specified window current for this thread.
* @param[in] window The window whose context to make current, or @c NULL to
* detach the current context.
* @ingroup context
*
* @remarks This function may be called from secondary threads.
*
* @note A context may only be current for a single thread at a time.
*
* @sa glfwGetCurrentContext
*/
GLFWAPI void glfwMakeContextCurrent(GLFWwindow window);
/*! @brief Returns the window whose context is current on this thread.
* @return The window whose context is current, or @c NULL if no window's
* context is current.
* @ingroup context
*
* @remarks This function may be called from secondary threads.
*
* @sa glfwMakeContextCurrent
*/
GLFWAPI GLFWwindow glfwGetCurrentContext(void);
/*! @brief Swaps the front and back buffers of the specified window.
* @param[in] The window whose buffers to swap.
* @ingroup context
*
* @remarks This function may be called from secondary threads.
*
* @sa glfwSwapInterval
*/
GLFWAPI void glfwSwapBuffers(GLFWwindow window);
/*! @brief Sets the swap interval for the current context.
* @param[in] interval The minimum number of video frame periods to wait for
* until the buffers are swapped by @ref glfwSwapBuffers.
* @ingroup context
*
* @remarks This function may be called from secondary threads.
*
* @sa glfwSwapBuffers
*/
GLFWAPI void glfwSwapInterval(int interval);
/*! @brief Checks whether the specified extension is available.
* @param[in] extension The ASCII encoded name of the extension.
* @return @c GL_TRUE if the extension is available, or @c FALSE otherwise.
* @ingroup context
*
* @remarks This function may be called from secondary threads.
*
* @note This function checks not only the client API extension string, but
* also any platform-specific context creation API extension strings.
*/
GLFWAPI int glfwExtensionSupported(const char* extension);
/*! @brief Returns the address of the specified client API function for the
* current context.
* @param[in] procname The ASCII encoded name of the function.
* @return The address of the function, or @c NULL if the function is
* unavailable.
* @ingroup context
*
* @remarks This function may be called from secondary threads.
*/
GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname);
/*************************************************************************
* Global definition cleanup
*************************************************************************/
/* ------------------- BEGIN SYSTEM/COMPILER SPECIFIC -------------------- */
#ifdef GLFW_WINGDIAPI_DEFINED
#undef WINGDIAPI
#undef GLFW_WINGDIAPI_DEFINED
#endif
#ifdef GLFW_CALLBACK_DEFINED
#undef CALLBACK
#undef GLFW_CALLBACK_DEFINED
#endif
/* -------------------- END SYSTEM/COMPILER SPECIFIC --------------------- */
#ifdef __cplusplus
}
#endif
#endif /* __glfw3_h__ */