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adding initial project layout
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/*************************************************************************
* GLFW 3.0 - www.glfw.org
* A library for OpenGL, window and input
*------------------------------------------------------------------------
* 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
*************************************************************************/
/*! @defgroup clipboard Clipboard support
*/
/*! @defgroup context Context handling
*/
/*! @defgroup error Error handling
*/
/*! @defgroup init Initialization and version information
*/
/*! @defgroup input Input handling
*/
/*! @defgroup monitor Monitor handling
*
* This is the reference documentation for monitor related functions and types.
* For more information, see the @ref monitor.
*/
/*! @defgroup time Time input
*/
/*! @defgroup window Window handling
*
* This is the reference documentation for window related functions and types,
* including creation, deletion and event polling. For more information, see
* the @ref window.
*/
/*************************************************************************
* 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
* OpenGL/gl.h blocks the definition of ptrdiff_t by glext.h on OS X */
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#if !defined(GLFW_INCLUDE_NONE)
#include <stddef.h>
#endif
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/* Include the chosen client API headers.
*/
#if defined(__APPLE_CC__)
#if defined(GLFW_INCLUDE_GLCOREARB)
#include <OpenGL/gl3.h>
#elif !defined(GLFW_INCLUDE_NONE)
#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>
#elif defined(GLFW_INCLUDE_ES3)
#include <GLES3/gl3.h>
#elif !defined(GLFW_INCLUDE_NONE)
#include <GL/gl.h>
#endif
#if defined(GLFW_INCLUDE_GLU)
#include <GL/glu.h>
#endif
#endif
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#if defined(GLFW_DLL) && defined(_GLFW_BUILD_DLL)
/* GLFW_DLL is defined by users of GLFW when compiling programs that will link
* to the DLL version of the GLFW library. _GLFW_BUILD_DLL is defined by the
* GLFW configuration header when compiling the DLL version of the library.
*/
#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
#elif defined(__GNUC__) && defined(_GLFW_BUILD_DLL)
#define GLFWAPI __attribute__((visibility("default")))
#else
/* We are either building/calling a static lib or we are non-win32 */
#define GLFWAPI
#endif
/* -------------------- END SYSTEM/COMPILER SPECIFIC --------------------- */
/*************************************************************************
* GLFW API tokens
*************************************************************************/
/*! @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
*/
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#define GLFW_VERSION_REVISION 4
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/*! @} */
/*! @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
/*! @brief The key was held down until it repeated.
* @ingroup input
*/
#define GLFW_REPEAT 2
/*! @} */
/*! @defgroup keys Keyboard keys
*
* 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.)
*
* @ingroup input
* @{
*/
/* The unknown key */
#define GLFW_KEY_UNKNOWN -1
/* 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
/*! @} */
/*! @defgroup mods Modifier key flags
* @ingroup input
* @{ */
/*! @brief If this bit is set one or more Shift keys were held down.
*/
#define GLFW_MOD_SHIFT 0x0001
/*! @brief If this bit is set one or more Control keys were held down.
*/
#define GLFW_MOD_CONTROL 0x0002
/*! @brief If this bit is set one or more Alt keys were held down.
*/
#define GLFW_MOD_ALT 0x0004
/*! @brief If this bit is set one or more Super keys were held down.
*/
#define GLFW_MOD_SUPER 0x0008
/*! @} */
/*! @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
/*! @} */
/*! @defgroup errors Error codes
* @ingroup error
* @{ */
/*! @brief GLFW has not been initialized.
*/
#define GLFW_NOT_INITIALIZED 0x00010001
/*! @brief No context is current for this thread.
*/
#define GLFW_NO_CURRENT_CONTEXT 0x00010002
/*! @brief One of the enum parameters for the function was given an invalid
* enum.
*/
#define GLFW_INVALID_ENUM 0x00010003
/*! @brief One of the parameters for the function was given an invalid value.
*/
#define GLFW_INVALID_VALUE 0x00010004
/*! @brief A memory allocation failed.
*/
#define GLFW_OUT_OF_MEMORY 0x00010005
/*! @brief GLFW could not find support for the requested client API on the
* system.
*/
#define GLFW_API_UNAVAILABLE 0x00010006
/*! @brief The requested client API version is not available.
*/
#define GLFW_VERSION_UNAVAILABLE 0x00010007
/*! @brief A platform-specific error occurred that does not match any of the
* more specific categories.
*/
#define GLFW_PLATFORM_ERROR 0x00010008
/*! @brief The clipboard did not contain data in the requested format.
*/
#define GLFW_FORMAT_UNAVAILABLE 0x00010009
/*! @} */
#define GLFW_FOCUSED 0x00020001
#define GLFW_ICONIFIED 0x00020002
#define GLFW_RESIZABLE 0x00020003
#define GLFW_VISIBLE 0x00020004
#define GLFW_DECORATED 0x00020005
#define GLFW_RED_BITS 0x00021001
#define GLFW_GREEN_BITS 0x00021002
#define GLFW_BLUE_BITS 0x00021003
#define GLFW_ALPHA_BITS 0x00021004
#define GLFW_DEPTH_BITS 0x00021005
#define GLFW_STENCIL_BITS 0x00021006
#define GLFW_ACCUM_RED_BITS 0x00021007
#define GLFW_ACCUM_GREEN_BITS 0x00021008
#define GLFW_ACCUM_BLUE_BITS 0x00021009
#define GLFW_ACCUM_ALPHA_BITS 0x0002100A
#define GLFW_AUX_BUFFERS 0x0002100B
#define GLFW_STEREO 0x0002100C
#define GLFW_SAMPLES 0x0002100D
#define GLFW_SRGB_CAPABLE 0x0002100E
#define GLFW_REFRESH_RATE 0x0002100F
#define GLFW_CLIENT_API 0x00022001
#define GLFW_CONTEXT_VERSION_MAJOR 0x00022002
#define GLFW_CONTEXT_VERSION_MINOR 0x00022003
#define GLFW_CONTEXT_REVISION 0x00022004
#define GLFW_CONTEXT_ROBUSTNESS 0x00022005
#define GLFW_OPENGL_FORWARD_COMPAT 0x00022006
#define GLFW_OPENGL_DEBUG_CONTEXT 0x00022007
#define GLFW_OPENGL_PROFILE 0x00022008
#define GLFW_OPENGL_API 0x00030001
#define GLFW_OPENGL_ES_API 0x00030002
#define GLFW_NO_ROBUSTNESS 0
#define GLFW_NO_RESET_NOTIFICATION 0x00031001
#define GLFW_LOSE_CONTEXT_ON_RESET 0x00031002
#define GLFW_OPENGL_ANY_PROFILE 0
#define GLFW_OPENGL_CORE_PROFILE 0x00032001
#define GLFW_OPENGL_COMPAT_PROFILE 0x00032002
#define GLFW_CURSOR 0x00033001
#define GLFW_STICKY_KEYS 0x00033002
#define GLFW_STICKY_MOUSE_BUTTONS 0x00033003
#define GLFW_CURSOR_NORMAL 0x00034001
#define GLFW_CURSOR_HIDDEN 0x00034002
#define GLFW_CURSOR_DISABLED 0x00034003
#define GLFW_CONNECTED 0x00040001
#define GLFW_DISCONNECTED 0x00040002
/*************************************************************************
* GLFW API types
*************************************************************************/
/*! @brief Client API function pointer type.
*
* Generic function pointer used for returning client API function pointers
* without forcing a cast from a regular pointer.
*
* @ingroup context
*/
typedef void (*GLFWglproc)(void);
/*! @brief Opaque monitor object.
*
* Opaque monitor object.
*
* @ingroup monitor
*/
typedef struct GLFWmonitor GLFWmonitor;
/*! @brief Opaque window object.
*
* Opaque window object.
*
* @ingroup window
*/
typedef struct GLFWwindow GLFWwindow;
/*! @brief The function signature for error callbacks.
*
* This is the function signature for error callback functions.
*
* @param[in] error An [error code](@ref errors).
* @param[in] description A UTF-8 encoded string describing the error.
*
* @sa glfwSetErrorCallback
*
* @ingroup error
*/
typedef void (* GLFWerrorfun)(int,const char*);
/*! @brief The function signature for window position callbacks.
*
* This is the function signature for window position callback functions.
*
* @param[in] window The window that the user moved.
* @param[in] xpos The new x-coordinate, in screen coordinates, of the
* upper-left corner of the client area of the window.
* @param[in] ypos The new y-coordinate, in screen coordinates, of the
* upper-left corner of the client area of the window.
*
* @sa glfwSetWindowPosCallback
*
* @ingroup window
*/
typedef void (* GLFWwindowposfun)(GLFWwindow*,int,int);
/*! @brief The function signature for window resize callbacks.
*
* This is the function signature for window size callback functions.
*
* @param[in] window The window that the user resized.
* @param[in] width The new width, in screen coordinates, of the window.
* @param[in] height The new height, in screen coordinates, of the window.
*
* @sa glfwSetWindowSizeCallback
*
* @ingroup window
*/
typedef void (* GLFWwindowsizefun)(GLFWwindow*,int,int);
/*! @brief The function signature for window close callbacks.
*
* This is the function signature for window close callback functions.
*
* @param[in] window The window that the user attempted to close.
*
* @sa glfwSetWindowCloseCallback
*
* @ingroup window
*/
typedef void (* GLFWwindowclosefun)(GLFWwindow*);
/*! @brief The function signature for window content refresh callbacks.
*
* This is the function signature for window refresh callback functions.
*
* @param[in] window The window whose content needs to be refreshed.
*
* @sa glfwSetWindowRefreshCallback
*
* @ingroup window
*/
typedef void (* GLFWwindowrefreshfun)(GLFWwindow*);
/*! @brief The function signature for window focus/defocus callbacks.
*
* This is the function signature for window focus callback functions.
*
* @param[in] window The window that was focused or defocused.
* @param[in] focused `GL_TRUE` if the window was focused, or `GL_FALSE` if
* it was defocused.
*
* @sa glfwSetWindowFocusCallback
*
* @ingroup window
*/
typedef void (* GLFWwindowfocusfun)(GLFWwindow*,int);
/*! @brief The function signature for window iconify/restore callbacks.
*
* This is the function signature for window iconify/restore callback
* functions.
*
* @param[in] window The window that was iconified or restored.
* @param[in] iconified `GL_TRUE` if the window was iconified, or `GL_FALSE`
* if it was restored.
*
* @sa glfwSetWindowIconifyCallback
*
* @ingroup window
*/
typedef void (* GLFWwindowiconifyfun)(GLFWwindow*,int);
/*! @brief The function signature for framebuffer resize callbacks.
*
* This is the function signature for framebuffer resize callback
* functions.
*
* @param[in] window The window whose framebuffer was resized.
* @param[in] width The new width, in pixels, of the framebuffer.
* @param[in] height The new height, in pixels, of the framebuffer.
*
* @sa glfwSetFramebufferSizeCallback
*
* @ingroup window
*/
typedef void (* GLFWframebuffersizefun)(GLFWwindow*,int,int);
/*! @brief The function signature for mouse button callbacks.
*
* This is the function signature for mouse button callback functions.
*
* @param[in] window The window that received the event.
* @param[in] button The [mouse button](@ref buttons) that was pressed or
* released.
* @param[in] action One of `GLFW_PRESS` or `GLFW_RELEASE`.
* @param[in] mods Bit field describing which [modifier keys](@ref mods) were
* held down.
*
* @sa glfwSetMouseButtonCallback
*
* @ingroup input
*/
typedef void (* GLFWmousebuttonfun)(GLFWwindow*,int,int,int);
/*! @brief The function signature for cursor position callbacks.
*
* This is the function signature for cursor position callback functions.
*
* @param[in] window The window that received the event.
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* @param[in] xpos The new x-coordinate, in screen coordinates, of the cursor.
* @param[in] ypos The new y-coordinate, in screen coordinates, of the cursor.
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*
* @sa glfwSetCursorPosCallback
*
* @ingroup input
*/
typedef void (* GLFWcursorposfun)(GLFWwindow*,double,double);
/*! @brief The function signature for cursor enter/leave callbacks.
*
* This is the function signature for cursor enter/leave callback functions.
*
* @param[in] window The window that received the event.
* @param[in] entered `GL_TRUE` if the cursor entered the window's client
* area, or `GL_FALSE` if it left it.
*
* @sa glfwSetCursorEnterCallback
*
* @ingroup input
*/
typedef void (* GLFWcursorenterfun)(GLFWwindow*,int);
/*! @brief The function signature for scroll callbacks.
*
* This is the function signature for scroll callback functions.
*
* @param[in] window The window that received the event.
* @param[in] xoffset The scroll offset along the x-axis.
* @param[in] yoffset The scroll offset along the y-axis.
*
* @sa glfwSetScrollCallback
*
* @ingroup input
*/
typedef void (* GLFWscrollfun)(GLFWwindow*,double,double);
/*! @brief The function signature for keyboard key callbacks.
*
* This is the function signature for keyboard key callback functions.
*
* @param[in] window The window that received the event.
* @param[in] key The [keyboard key](@ref keys) that was pressed or released.
* @param[in] scancode The system-specific scancode of the key.
* @param[in] action @ref GLFW_PRESS, @ref GLFW_RELEASE or @ref GLFW_REPEAT.
* @param[in] mods Bit field describing which [modifier keys](@ref mods) were
* held down.
*
* @sa glfwSetKeyCallback
*
* @ingroup input
*/
typedef void (* GLFWkeyfun)(GLFWwindow*,int,int,int,int);
/*! @brief The function signature for Unicode character callbacks.
*
* This is the function signature for Unicode character callback functions.
*
* @param[in] window The window that received the event.
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* @param[in] codepoint The Unicode code point of the character.
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*
* @sa glfwSetCharCallback
*
* @ingroup input
*/
typedef void (* GLFWcharfun)(GLFWwindow*,unsigned int);
/*! @brief The function signature for monitor configuration callbacks.
*
* This is the function signature for monitor configuration callback functions.
*
* @param[in] monitor The monitor that was connected or disconnected.
* @param[in] event One of `GLFW_CONNECTED` or `GLFW_DISCONNECTED`.
*
* @sa glfwSetMonitorCallback
*
* @ingroup monitor
*/
typedef void (* GLFWmonitorfun)(GLFWmonitor*,int);
/*! @brief Video mode type.
*
* This describes a single video mode.
*
* @ingroup monitor
*/
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typedef struct GLFWvidmode
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{
/*! The width, in screen coordinates, of the video mode.
*/
int width;
/*! The height, in screen coordinates, of the video mode.
*/
int height;
/*! The bit depth of the red channel of the video mode.
*/
int redBits;
/*! The bit depth of the green channel of the video mode.
*/
int greenBits;
/*! The bit depth of the blue channel of the video mode.
*/
int blueBits;
/*! The refresh rate, in Hz, of the video mode.
*/
int refreshRate;
} GLFWvidmode;
/*! @brief Gamma ramp.
*
* This describes the gamma ramp for a monitor.
*
* @sa glfwGetGammaRamp glfwSetGammaRamp
*
* @ingroup monitor
*/
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typedef struct GLFWgammaramp
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{
/*! An array of value describing the response of the red channel.
*/
unsigned short* red;
/*! An array of value describing the response of the green channel.
*/
unsigned short* green;
/*! An array of value describing the response of the blue channel.
*/
unsigned short* blue;
/*! The number of elements in each array.
*/
unsigned int size;
} GLFWgammaramp;
/*************************************************************************
* GLFW API functions
*************************************************************************/
/*! @brief Initializes the GLFW library.
*
* This function 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 any resources allocated during or
* after initialization.
*
* If this function fails, it calls @ref glfwTerminate before returning. If it
* succeeds, you should call @ref glfwTerminate before the program exits.
*
* Additional calls to this function after successful initialization but before
* termination will succeed but will do nothing.
*
* @return `GL_TRUE` if successful, or `GL_FALSE` if an error occurred.
*
* @par New in GLFW 3
* This function no longer registers @ref glfwTerminate with `atexit`.
*
* @note This function may only be called from the main thread.
*
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* @note **OS X:** This function will change the current directory of the
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* application to the `Contents/Resources` subdirectory of the application's
* bundle, if present.
*
* @sa glfwTerminate
*
* @ingroup init
*/
GLFWAPI int glfwInit(void);
/*! @brief Terminates the GLFW library.
*
* This function destroys all remaining windows, frees any allocated resources
* and sets the library to an uninitialized state. Once this is called, you
* must again call @ref glfwInit successfully before you will be able to use
* most GLFW functions.
*
* If GLFW has been successfully initialized, this function should be called
* before the program exits. If initialization fails, there is no need to call
* this function, as it is called by @ref glfwInit before it returns failure.
*
* @remarks This function may be called before @ref glfwInit.
*
* @note This function may only be called from the main thread.
*
* @warning No window's context may be current on another thread when this
* function is called.
*
* @sa glfwInit
*
* @ingroup init
*/
GLFWAPI void glfwTerminate(void);
/*! @brief Retrieves the version of the GLFW library.
*
* This function retrieves the major, minor and revision numbers of the GLFW
* library. It is intended for when you are using GLFW as a shared library and
* want to ensure that you are using the minimum required version.
*
* @param[out] major Where to store the major version number, or `NULL`.
* @param[out] minor Where to store the minor version number, or `NULL`.
* @param[out] rev Where to store the revision number, or `NULL`.
*
* @remarks This function may be called before @ref glfwInit.
*
* @remarks This function may be called from any thread.
*
* @sa glfwGetVersionString
*
* @ingroup init
*/
GLFWAPI void glfwGetVersion(int* major, int* minor, int* rev);
/*! @brief Returns a string describing the compile-time configuration.
*
* This function returns a static string generated at compile-time according to
* which configuration macros were defined. This is intended for use when
* submitting bug reports, to allow developers to see which code paths are
* enabled in a binary.
*
* The format of the string is as follows:
* - The version of GLFW
* - The name of the window system API
* - The name of the context creation API
* - Any additional options or APIs
*
* For example, when compiling GLFW 3.0 with MinGW using the Win32 and WGL
* back ends, the version string may look something like this:
*
* 3.0.0 Win32 WGL MinGW
*
* @return The GLFW version string.
*
* @remarks This function may be called before @ref glfwInit.
*
* @remarks This function may be called from any thread.
*
* @sa glfwGetVersion
*
* @ingroup init
*/
GLFWAPI const char* glfwGetVersionString(void);
/*! @brief Sets the error callback.
*
* This function sets the error callback, which is called with an error code
* and a human-readable description each time a GLFW error occurs.
*
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @remarks This function may be called before @ref glfwInit.
*
* @note The error callback is called by the thread where the error was
* generated. If you are using GLFW from multiple threads, your error callback
* needs to be written accordingly.
*
* @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.
*
* @ingroup error
*/
GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun);
/*! @brief Returns the currently connected monitors.
*
* This function returns an array of handles for all currently connected
* monitors.
*
* @param[out] count Where to store the size of the returned array. This is
* set to zero if an error occurred.
* @return An array of monitor handles, or `NULL` if an error occurred.
*
* @note The returned array is allocated and freed by GLFW. You should not
* free it yourself.
*
* @note The returned array is valid only until the monitor configuration
* changes. See @ref glfwSetMonitorCallback to receive notifications of
* configuration changes.
*
* @sa glfwGetPrimaryMonitor
*
* @ingroup monitor
*/
GLFWAPI GLFWmonitor** glfwGetMonitors(int* count);
/*! @brief Returns the primary monitor.
*
* This function returns the primary monitor. This is usually the monitor
* where elements like the Windows task bar or the OS X menu bar is located.
*
* @return The primary monitor, or `NULL` if an error occurred.
*
* @sa glfwGetMonitors
*
* @ingroup monitor
*/
GLFWAPI GLFWmonitor* glfwGetPrimaryMonitor(void);
/*! @brief Returns the position of the monitor's viewport on the virtual screen.
*
* This function returns the position, in screen coordinates, of the upper-left
* corner of the specified monitor.
*
* @param[in] monitor The monitor to query.
* @param[out] xpos Where to store the monitor x-coordinate, or `NULL`.
* @param[out] ypos Where to store the monitor y-coordinate, or `NULL`.
*
* @ingroup monitor
*/
GLFWAPI void glfwGetMonitorPos(GLFWmonitor* monitor, int* xpos, int* ypos);
/*! @brief Returns the physical size of the monitor.
*
* This function returns the size, in millimetres, of the display area of the
* specified monitor.
*
* @param[in] monitor The monitor to query.
* @param[out] width Where to store the width, in mm, of the monitor's display
* area, or `NULL`.
* @param[out] height Where to store the height, in mm, of the monitor's
* display area, or `NULL`.
*
* @note Some operating systems do not provide accurate information, either
* because the monitor's EDID data is incorrect, or because the driver does not
* report it accurately.
*
* @ingroup monitor
*/
GLFWAPI void glfwGetMonitorPhysicalSize(GLFWmonitor* monitor, int* width, int* height);
/*! @brief Returns the name of the specified monitor.
*
* This function returns a human-readable name, encoded as UTF-8, of the
* specified monitor.
*
* @param[in] monitor The monitor to query.
* @return The UTF-8 encoded name of the monitor, or `NULL` if an error
* occurred.
*
* @note The returned string is allocated and freed by GLFW. You should not
* free it yourself.
*
* @ingroup monitor
*/
GLFWAPI const char* glfwGetMonitorName(GLFWmonitor* monitor);
/*! @brief Sets the monitor configuration callback.
*
* This function sets the monitor configuration callback, or removes the
* currently set callback. This is called when a monitor is connected to or
* disconnected from the system.
*
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @bug **X11:** This callback is not yet called on monitor configuration
* changes.
*
* @ingroup monitor
*/
GLFWAPI GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun cbfun);
/*! @brief Returns the available video modes for the specified monitor.
*
* This function returns an array of all video modes supported by the specified
* monitor. The returned array is sorted in ascending order, first by color
* bit depth (the sum of all channel depths) and then by resolution area (the
* product of width and height).
*
* @param[in] monitor The monitor to query.
* @param[out] count Where to store the number of video modes in the returned
* array. This is set to zero if an error occurred.
* @return An array of video modes, or `NULL` if an error occurred.
*
* @note The returned array is allocated and freed by GLFW. You should not
* free it yourself.
*
* @note The returned array is valid only until this function is called again
* for the specified monitor.
*
* @sa glfwGetVideoMode
*
* @ingroup monitor
*/
GLFWAPI const GLFWvidmode* glfwGetVideoModes(GLFWmonitor* monitor, int* count);
/*! @brief Returns the current mode of the specified monitor.
*
* This function returns the current video mode of the specified monitor. If
* you are using a full screen window, the return value will therefore depend
* on whether it is focused.
*
* @param[in] monitor The monitor to query.
* @return The current mode of the monitor, or `NULL` if an error occurred.
*
* @note The returned struct is allocated and freed by GLFW. You should not
* free it yourself.
*
* @sa glfwGetVideoModes
*
* @ingroup monitor
*/
GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* monitor);
/*! @brief Generates a gamma ramp and sets it for the specified monitor.
*
* This function generates a 256-element gamma ramp from the specified exponent
* and then calls @ref glfwSetGammaRamp with it.
*
* @param[in] monitor The monitor whose gamma ramp to set.
* @param[in] gamma The desired exponent.
*
* @ingroup monitor
*/
GLFWAPI void glfwSetGamma(GLFWmonitor* monitor, float gamma);
/*! @brief Retrieves the current gamma ramp for the specified monitor.
*
* This function retrieves the current gamma ramp of the specified monitor.
*
* @param[in] monitor The monitor to query.
* @return The current gamma ramp, or `NULL` if an error occurred.
*
* @note The value arrays of the returned ramp are allocated and freed by GLFW.
* You should not free them yourself.
*
* @ingroup monitor
*/
GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* monitor);
/*! @brief Sets the current gamma ramp for the specified monitor.
*
* This function sets the current gamma ramp for the specified monitor.
*
* @param[in] monitor The monitor whose gamma ramp to set.
* @param[in] ramp The gamma ramp to use.
*
* @note Gamma ramp sizes other than 256 are not supported by all hardware.
*
* @ingroup monitor
*/
GLFWAPI void glfwSetGammaRamp(GLFWmonitor* monitor, const GLFWgammaramp* ramp);
/*! @brief Resets all window hints to their default values.
*
* This function resets all window hints to their
* [default values](@ref window_hints_values).
*
* @note This function may only be called from the main thread.
*
* @sa glfwWindowHint
*
* @ingroup window
*/
GLFWAPI void glfwDefaultWindowHints(void);
/*! @brief Sets the specified window hint to the desired value.
*
* This function sets hints for the next call to @ref glfwCreateWindow. The
* hints, once set, retain their values until changed by a call to @ref
* glfwWindowHint or @ref glfwDefaultWindowHints, or until the library is
* terminated with @ref glfwTerminate.
*
* @param[in] target The [window hint](@ref window_hints) to set.
* @param[in] hint The new value of the window hint.
*
* @par New in GLFW 3
* Hints are no longer reset to their default values on window creation. To
* set default hint values, use @ref glfwDefaultWindowHints.
*
* @note This function may only be called from the main thread.
*
* @sa glfwDefaultWindowHints
*
* @ingroup window
*/
GLFWAPI void glfwWindowHint(int target, int hint);
/*! @brief Creates a window and its associated context.
*
* This function creates a window and its associated context. Most of the
* options controlling how the window and its context should be created are
* specified through @ref glfwWindowHint.
*
* Successful creation does not change which context is current. Before you
* can use the newly created context, you need to make it current using @ref
* glfwMakeContextCurrent.
*
* Note that the created window and context may differ from what you requested,
* as not all parameters and hints are
* [hard constraints](@ref window_hints_hard). This includes the size of the
* window, especially for full screen windows. To retrieve the actual
* attributes of the created window and context, use queries like @ref
* glfwGetWindowAttrib and @ref glfwGetWindowSize.
*
* To create a full screen window, you need to specify the monitor to use. If
* no monitor is specified, windowed mode will be used. Unless you have a way
* for the user to choose a specific monitor, it is recommended that you pick
* the primary monitor. For more information on how to retrieve monitors, see
* @ref monitor_monitors.
*
* To create the window at a specific position, make it initially invisible
* using the `GLFW_VISIBLE` window hint, set its position and then show it.
*
* If a full screen window is active, the screensaver is prohibited from
* starting.
*
* @param[in] width The desired width, in screen coordinates, of the window.
* This must be greater than zero.
* @param[in] height The desired height, in screen coordinates, of the window.
* This must be greater than zero.
* @param[in] title The initial, UTF-8 encoded window title.
* @param[in] monitor The monitor to use for full screen mode, or `NULL` to use
* windowed mode.
* @param[in] share The window whose context to share resources with, or `NULL`
* to not share resources.
* @return The handle of the created window, or `NULL` if an error occurred.
*
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* @remarks **Windows:** Window creation will fail if the Microsoft GDI
* software OpenGL implementation is the only one available.
*
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* @remarks **Windows:** If the executable has an icon resource named
* `GLFW_ICON,` it will be set as the icon for the window. If no such icon is
* present, the `IDI_WINLOGO` icon will be used instead.
*
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* @remarks **OS X:** The GLFW window has no icon, as it is not a document
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* window, but the dock icon will be the same as 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.
*
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* @remarks **X11:** There is no mechanism for setting the window icon yet.
*
* @remarks The swap interval is not set during window creation, but is left at
* the default value for that platform. For more information, see @ref
* glfwSwapInterval.
*
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* @note This function may only be called from the main thread.
*
* @sa glfwDestroyWindow
*
* @ingroup window
*/
GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height, const char* title, GLFWmonitor* monitor, GLFWwindow* share);
/*! @brief Destroys the specified window and its context.
*
* This function destroys the specified window and its context. On calling
* this function, no further callbacks will be called for that window.
*
* @param[in] window The window to destroy.
*
* @note This function may only be called from the main thread.
*
* @note This function may not be called from a callback.
*
* @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
*
* @ingroup window
*/
GLFWAPI void glfwDestroyWindow(GLFWwindow* window);
/*! @brief Checks the close flag of the specified window.
*
* This function returns the value of the close flag of the specified window.
*
* @param[in] window The window to query.
* @return The value of the close flag.
*
* @remarks This function may be called from secondary threads.
*
* @ingroup window
*/
GLFWAPI int glfwWindowShouldClose(GLFWwindow* window);
/*! @brief Sets the close flag of the specified window.
*
* This function sets the value of the close flag of the specified window.
* This can be used to override the user's attempt to close the window, or
* to signal that it should be closed.
*
* @param[in] window The window whose flag to change.
* @param[in] value The new value.
*
* @remarks This function may be called from secondary threads.
*
* @ingroup window
*/
GLFWAPI void glfwSetWindowShouldClose(GLFWwindow* window, int value);
/*! @brief Sets the title of the specified window.
*
* This function sets the window title, encoded as UTF-8, of the specified
* window.
*
* @param[in] window The window whose title to change.
* @param[in] title The UTF-8 encoded window title.
*
* @note This function may only be called from the main thread.
*
* @ingroup window
*/
GLFWAPI void glfwSetWindowTitle(GLFWwindow* window, const char* title);
/*! @brief Retrieves the position of the client area of the specified window.
*
* This function retrieves the position, in screen coordinates, of the
* upper-left corner of the client area of the specified window.
*
* @param[in] window The window to query.
* @param[out] xpos Where to store the x-coordinate of the upper-left corner of
* the client area, or `NULL`.
* @param[out] ypos Where to store the y-coordinate of the upper-left corner of
* the client area, or `NULL`.
*
* @sa glfwSetWindowPos
*
* @ingroup window
*/
GLFWAPI void glfwGetWindowPos(GLFWwindow* window, int* xpos, int* ypos);
/*! @brief Sets the position of the client area of the specified window.
*
* This function sets the position, in screen coordinates, of the upper-left
* corner of the client area of the window.
*
* If the specified window is a full screen window, this function does nothing.
*
* If you wish to set an initial window position you should create a hidden
* window (using @ref glfwWindowHint and `GLFW_VISIBLE`), set its position and
* then show it.
*
* @param[in] window The window to query.
* @param[in] xpos The x-coordinate of the upper-left corner of the client area.
* @param[in] ypos The y-coordinate of the upper-left corner of the client area.
*
* @note It is very rarely a good idea to move an already visible window, as it
* will confuse and annoy the user.
*
* @note This function may only be called from the main thread.
*
* @note The window manager may put limits on what positions are allowed.
*
* @sa glfwGetWindowPos
*
* @ingroup window
*/
GLFWAPI void glfwSetWindowPos(GLFWwindow* window, int xpos, int ypos);
/*! @brief Retrieves the size of the client area of the specified window.
*
* This function retrieves the size, in screen coordinates, of the client area
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* of the specified window. If you wish to retrieve the size of the
* framebuffer in pixels, see @ref glfwGetFramebufferSize.
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*
* @param[in] window The window whose size to retrieve.
* @param[out] width Where to store the width, in screen coordinates, of the
* client area, or `NULL`.
* @param[out] height Where to store the height, in screen coordinates, of the
* client area, or `NULL`.
*
* @sa glfwSetWindowSize
*
* @ingroup window
*/
GLFWAPI void glfwGetWindowSize(GLFWwindow* window, int* width, int* height);
/*! @brief Sets the size of the client area of the specified window.
*
* This function sets the size, in screen coordinates, of the client area of
* the specified window.
*
* For full screen windows, this function selects and switches to the resolution
* closest to the specified size, without affecting the window's context. As
* the context is unaffected, the bit depths of the framebuffer remain
* unchanged.
*
* @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.
*
* @note This function may only be called from the main thread.
*
* @note The window manager may put limits on what window sizes are allowed.
*
* @sa glfwGetWindowSize
*
* @ingroup window
*/
GLFWAPI void glfwSetWindowSize(GLFWwindow* window, int width, int height);
/*! @brief Retrieves the size of the framebuffer of the specified window.
*
* This function retrieves the size, in pixels, of the framebuffer of the
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* specified window. If you wish to retrieve the size of the window in screen
* coordinates, see @ref glfwGetWindowSize.
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*
* @param[in] window The window whose framebuffer to query.
* @param[out] width Where to store the width, in pixels, of the framebuffer,
* or `NULL`.
* @param[out] height Where to store the height, in pixels, of the framebuffer,
* or `NULL`.
*
* @sa glfwSetFramebufferSizeCallback
*
* @ingroup window
*/
GLFWAPI void glfwGetFramebufferSize(GLFWwindow* window, int* width, int* height);
/*! @brief Iconifies the specified window.
*
* This function iconifies/minimizes the specified window, if it was previously
* restored. If it is a full screen window, the original monitor resolution is
* restored until the window is restored. If the window is already iconified,
* this function does nothing.
*
* @param[in] window The window to iconify.
*
* @note This function may only be called from the main thread.
*
* @sa glfwRestoreWindow
*
* @ingroup window
*/
GLFWAPI void glfwIconifyWindow(GLFWwindow* window);
/*! @brief Restores the specified window.
*
* This function restores the specified window, if it was previously
* iconified/minimized. If it is a full screen window, the resolution chosen
* for the window is restored on the selected monitor. If the window is
* already restored, this function does nothing.
*
* @param[in] window The window to restore.
*
* @note This function may only be called from the main thread.
*
* @sa glfwIconifyWindow
*
* @ingroup window
*/
GLFWAPI void glfwRestoreWindow(GLFWwindow* window);
/*! @brief Makes the specified window visible.
*
* This function makes the specified window visible, if it was previously
* hidden. If the window is already visible or is in full screen mode, this
* function does nothing.
*
* @param[in] window The window to make visible.
*
* @note This function may only be called from the main thread.
*
* @sa glfwHideWindow
*
* @ingroup window
*/
GLFWAPI void glfwShowWindow(GLFWwindow* window);
/*! @brief Hides the specified window.
*
* This function hides the specified window, if it was previously visible. If
* the window is already hidden or is in full screen mode, this function does
* nothing.
*
* @param[in] window The window to hide.
*
* @note This function may only be called from the main thread.
*
* @sa glfwShowWindow
*
* @ingroup window
*/
GLFWAPI void glfwHideWindow(GLFWwindow* window);
/*! @brief Returns the monitor that the window uses for full screen mode.
*
* This function returns the handle of the monitor that the specified window is
* in full screen on.
*
* @param[in] window The window to query.
* @return The monitor, or `NULL` if the window is in windowed mode.
*
* @ingroup window
*/
GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* window);
/*! @brief Returns an attribute of the specified window.
*
* This function returns an attribute of the specified window. There are many
* attributes, some related to the window and others to its context.
*
* @param[in] window The window to query.
* @param[in] attrib The [window attribute](@ref window_attribs) whose value to
* return.
* @return The value of the attribute, or zero if an error occurred.
*
* @ingroup window
*/
GLFWAPI int glfwGetWindowAttrib(GLFWwindow* window, int attrib);
/*! @brief Sets the user pointer of the specified window.
*
* This function sets the user-defined pointer of the specified window. The
* current value is retained until the window is destroyed. The initial value
* is `NULL`.
*
* @param[in] window The window whose pointer to set.
* @param[in] pointer The new value.
*
* @sa glfwGetWindowUserPointer
*
* @ingroup window
*/
GLFWAPI void glfwSetWindowUserPointer(GLFWwindow* window, void* pointer);
/*! @brief Returns the user pointer of the specified window.
*
* This function returns the current value of the user-defined pointer of the
* specified window. The initial value is `NULL`.
*
* @param[in] window The window whose pointer to return.
*
* @sa glfwSetWindowUserPointer
*
* @ingroup window
*/
GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* window);
/*! @brief Sets the position callback for the specified window.
*
* This function sets the position callback of the specified window, which is
* called when the window is moved. The callback is provided with the screen
* position of the upper-left corner of the client area of the window.
*
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @ingroup window
*/
GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* window, GLFWwindowposfun cbfun);
/*! @brief Sets the size callback for the specified window.
*
* This function sets the size callback of the specified window, which is
* called when the window is resized. The callback is provided with the size,
* in screen coordinates, of the client area of the window.
*
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @ingroup window
*/
GLFWAPI GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* window, GLFWwindowsizefun cbfun);
/*! @brief Sets the close callback for the specified window.
*
* This function sets the close callback of the specified window, which is
* called when the user attempts to close the window, for example by clicking
* the close widget in the title bar.
*
* The close flag is set before this callback is called, but you can modify it
* at any time with @ref glfwSetWindowShouldClose.
*
* The close callback is not triggered by @ref glfwDestroyWindow.
*
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
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* @par New in GLFW 3
* The close callback no longer returns a value.
*
* @remarks **OS X:** Selecting Quit from the application menu will
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* trigger the close callback for all windows.
*
* @ingroup window
*/
GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* window, GLFWwindowclosefun cbfun);
/*! @brief Sets the refresh callback for the specified window.
*
* This function sets the refresh callback of the specified window, which 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.
*
* On compositing window systems such as Aero, Compiz or Aqua, where the window
* contents are saved off-screen, this callback may be called only very
* infrequently or never at all.
*
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @note On compositing window systems such as Aero, Compiz or Aqua, where the
* window contents are saved off-screen, this callback may be called only very
* infrequently or never at all.
*
* @ingroup window
*/
GLFWAPI GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* window, GLFWwindowrefreshfun cbfun);
/*! @brief Sets the focus callback for the specified window.
*
* This function sets the focus callback of the specified window, which is
* called when the window gains or loses focus.
*
* After the focus callback is called for a window that lost focus, synthetic
* key and mouse button release events will be generated for all such that had
* been pressed. For more information, see @ref glfwSetKeyCallback and @ref
* glfwSetMouseButtonCallback.
*
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @ingroup window
*/
GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwindowfocusfun cbfun);
/*! @brief Sets the iconify callback for the specified window.
*
* This function sets the iconification callback of the specified window, which
* is called when the window is iconified or restored.
*
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @ingroup window
*/
GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* window, GLFWwindowiconifyfun cbfun);
/*! @brief Sets the framebuffer resize callback for the specified window.
*
* This function sets the framebuffer resize callback of the specified window,
* which is called when the framebuffer of the specified window is resized.
*
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @ingroup window
*/
GLFWAPI GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* window, GLFWframebuffersizefun cbfun);
/*! @brief Processes all pending events.
*
* This function processes only those events that have already been received
* and then returns immediately. Processing events will cause the window and
* input callbacks associated with those events to be called.
*
* This function is not required for joystick input to work.
*
* @par New in GLFW 3
* This function is no longer called by @ref glfwSwapBuffers. You need to call
* it or @ref glfwWaitEvents yourself.
*
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* @remarks On some platforms, a window move, resize or menu operation will
* cause event processing to block. This is due to how event processing is
* designed on those platforms. You can use the
* [window refresh callback](@ref GLFWwindowrefreshfun) to redraw the contents
* of your window when necessary during the operation.
*
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* @note This function may only be called from the main thread.
*
* @note This function may not be called from a callback.
*
* @note On some platforms, certain callbacks may be called outside of a call
* to one of the event processing functions.
*
* @sa glfwWaitEvents
*
* @ingroup window
*/
GLFWAPI void glfwPollEvents(void);
/*! @brief Waits until events are pending and processes them.
*
* This function puts the calling thread to sleep until at least one event has
* been received. Once one or more events have been received, it behaves as if
* @ref glfwPollEvents was called, i.e. the events are processed and the
* function then returns immediately. Processing events will cause the window
* and input callbacks associated with those events to be called.
*
* Since not all events are associated with callbacks, this function may return
* without a callback having been called even if you are monitoring all
* callbacks.
*
* This function is not required for joystick input to work.
*
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* @remarks On some platforms, a window move, resize or menu operation will
* cause event processing to block. This is due to how event processing is
* designed on those platforms. You can use the
* [window refresh callback](@ref GLFWwindowrefreshfun) to redraw the contents
* of your window when necessary during the operation.
*
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* @note This function may only be called from the main thread.
*
* @note This function may not be called from a callback.
*
* @note On some platforms, certain callbacks may be called outside of a call
* to one of the event processing functions.
*
* @sa glfwPollEvents
*
* @ingroup window
*/
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 `GLFW_CURSOR`, `GLFW_STICKY_KEYS` or
* `GLFW_STICKY_MOUSE_BUTTONS`.
*
* @sa glfwSetInputMode
*
* @ingroup input
*/
GLFWAPI int glfwGetInputMode(GLFWwindow* window, int mode);
/*! @brief Sets an input option for the specified window.
* @param[in] window The window whose input mode to set.
* @param[in] mode One of `GLFW_CURSOR`, `GLFW_STICKY_KEYS` or
* `GLFW_STICKY_MOUSE_BUTTONS`.
* @param[in] value The new value of the specified input mode.
*
* If `mode` is `GLFW_CURSOR`, the value must be one of the supported input
* modes:
* - `GLFW_CURSOR_NORMAL` makes the cursor visible and behaving normally.
* - `GLFW_CURSOR_HIDDEN` makes the cursor invisible when it is over the client
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* area of the window but does not restrict the cursor from leaving. This is
* useful if you wish to render your own cursor or have no visible cursor at
* all.
* - `GLFW_CURSOR_DISABLED` hides and grabs the cursor, providing virtual
* and unlimited cursor movement. This is useful for implementing for
* example 3D camera controls.
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*
* If `mode` is `GLFW_STICKY_KEYS`, the value must be either `GL_TRUE` to
* enable sticky keys, or `GL_FALSE` to disable it. If sticky keys are
* enabled, a key press will ensure that @ref glfwGetKey returns @ref
* GLFW_PRESS the next time it is called even if the key had been released
* before the call. This is useful when you are only interested in whether
* keys have been pressed but not when or in which order.
*
* If `mode` is `GLFW_STICKY_MOUSE_BUTTONS`, the value must be either `GL_TRUE`
* to enable sticky mouse buttons, or `GL_FALSE` to disable it. If sticky
* mouse buttons are enabled, a mouse button press will ensure that @ref
* glfwGetMouseButton returns @ref GLFW_PRESS the next time it is called even
* if the mouse button had been released before the call. This is useful when
* you are only interested in whether mouse buttons have been pressed but not
* when or in which order.
*
* @sa glfwGetInputMode
*
* @ingroup input
*/
GLFWAPI void glfwSetInputMode(GLFWwindow* window, int mode, int value);
/*! @brief Returns the last reported state of a keyboard key for the specified
* window.
*
* This function returns the last state reported for the specified key to the
* specified window. The returned state is one of `GLFW_PRESS` or
* `GLFW_RELEASE`. The higher-level state `GLFW_REPEAT` is only reported to
* the key callback.
*
* If the `GLFW_STICKY_KEYS` input mode is enabled, this function returns
* `GLFW_PRESS` the first time you call this function after a key has been
* pressed, even if the key has already been released.
*
* The key functions deal with physical keys, with [key tokens](@ref keys)
* named after their use on the standard US keyboard layout. If you want to
* input text, use the Unicode character callback instead.
*
* @param[in] window The desired window.
* @param[in] key The desired [keyboard key](@ref keys).
* @return One of `GLFW_PRESS` or `GLFW_RELEASE`.
*
* @note `GLFW_KEY_UNKNOWN` is not a valid key for this function.
*
* @ingroup input
*/
GLFWAPI int glfwGetKey(GLFWwindow* window, int key);
/*! @brief Returns the last reported state of a mouse button for the specified
* window.
*
* This function returns the last state reported for the specified mouse button
* to the specified window.
*
* If the `GLFW_STICKY_MOUSE_BUTTONS` input mode is enabled, this function
* returns `GLFW_PRESS` the first time you call this function after a mouse
* button has been pressed, even if the mouse button has already been released.
*
* @param[in] window The desired window.
* @param[in] button The desired [mouse button](@ref buttons).
* @return One of `GLFW_PRESS` or `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.
*
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* This function returns the last reported position of the cursor, in screen
* coordinates, relative to the upper-left corner of the client area of the
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* specified window.
*
* If the cursor is disabled (with `GLFW_CURSOR_DISABLED`) then the cursor
* position is unbounded and limited only by the minimum and maximum values of
* a `double`.
*
* The coordinate can be converted to their integer equivalents with the
* `floor` function. Casting directly to an integer type works for positive
* coordinates, but fails for negative ones.
*
* @param[in] window The desired window.
* @param[out] xpos Where to store the cursor x-coordinate, relative to the
* left edge of the client area, or `NULL`.
* @param[out] ypos Where to store the cursor y-coordinate, relative to the to
* top edge of the client area, or `NULL`.
*
* @sa glfwSetCursorPos
*
* @ingroup input
*/
GLFWAPI void glfwGetCursorPos(GLFWwindow* window, double* xpos, double* ypos);
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/*! @brief Sets the position of the cursor, relative to the client area of the
* window.
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*
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* This function sets the position, in screen coordinates, of the cursor
* relative to the upper-left corner of the client area of the specified
* window. The window must be focused. If the window does not have focus when
* this function is called, it fails silently.
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*
* If the cursor is disabled (with `GLFW_CURSOR_DISABLED`) then the cursor
* position is unbounded and limited only by the minimum and maximum values of
* a `double`.
*
* @param[in] window The desired window.
* @param[in] xpos The desired x-coordinate, relative to the left edge of the
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* client area.
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* @param[in] ypos The desired y-coordinate, relative to the top edge of the
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* client area.
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*
* @sa glfwGetCursorPos
*
* @ingroup input
*/
GLFWAPI void glfwSetCursorPos(GLFWwindow* window, double xpos, double ypos);
/*! @brief Sets the key callback.
*
* This function sets the key callback of the specific window, which is called
* when a key is pressed, repeated or released.
*
* The key functions deal with physical keys, with layout independent
* [key tokens](@ref keys) named after their values in the standard US keyboard
* layout. If you want to input text, use the
* [character callback](@ref glfwSetCharCallback) instead.
*
* When a window loses focus, it will generate synthetic key release events
* for all pressed keys. You can tell these events from user-generated events
* by the fact that the synthetic ones are generated after the window has lost
* focus, i.e. `GLFW_FOCUSED` will be false and the focus callback will have
* already been called.
*
* The scancode of a key is specific to that platform or sometimes even to that
* machine. Scancodes are intended to allow users to bind keys that don't have
* a GLFW key token. Such keys have `key` set to `GLFW_KEY_UNKNOWN`, their
* state is not saved and so it cannot be retrieved with @ref glfwGetKey.
*
* Sometimes GLFW needs to generate synthetic key events, in which case the
* scancode may be zero.
*
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new key callback, or `NULL` to remove the currently
* set callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @ingroup input
*/
GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* window, GLFWkeyfun cbfun);
/*! @brief Sets the Unicode character callback.
*
* This function sets the character callback of the specific window, which is
* called when a Unicode character is input.
*
* The character callback is intended for text input. If you want to know
* whether a specific key was pressed or released, use the
* [key callback](@ref glfwSetKeyCallback) instead.
*
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @ingroup input
*/
GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* window, GLFWcharfun cbfun);
/*! @brief Sets the mouse button callback.
*
* This function sets the mouse button callback of the specified window, which
* is called when a mouse button is pressed or released.
*
* When a window loses focus, it will generate synthetic mouse button release
* events for all pressed mouse buttons. You can tell these events from
* user-generated events by the fact that the synthetic ones are generated
* after the window has lost focus, i.e. `GLFW_FOCUSED` will be false and the
* focus callback will have already been called.
*
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @ingroup input
*/
GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* window, GLFWmousebuttonfun cbfun);
/*! @brief Sets the cursor position callback.
*
* This function sets the cursor position callback of the specified window,
* which is called when the cursor is moved. The callback is provided with the
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* position, in screen coordinates, relative to the upper-left corner of the
* client area of the window.
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*
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @ingroup input
*/
GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* window, GLFWcursorposfun cbfun);
/*! @brief Sets the cursor enter/exit callback.
*
* This function sets the cursor boundary crossing callback of the specified
* window, which is called when the cursor enters or leaves the client area of
* the window.
*
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new callback, or `NULL` to remove the currently set
* callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @ingroup input
*/
GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* window, GLFWcursorenterfun cbfun);
/*! @brief Sets the scroll callback.
*
* This function sets the scroll callback of the specified window, which is
* called when a scrolling device is used, such as a mouse wheel or scrolling
* area of a touchpad.
*
* The scroll callback receives all scrolling input, like that from a mouse
* wheel or a touchpad scrolling area.
*
* @param[in] window The window whose callback to set.
* @param[in] cbfun The new scroll callback, or `NULL` to remove the currently
* set callback.
* @return The previously set callback, or `NULL` if no callback was set or an
* error occurred.
*
* @ingroup input
*/
GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* window, GLFWscrollfun cbfun);
/*! @brief Returns whether the specified joystick is present.
*
* This function returns whether the specified joystick is present.
*
* @param[in] joy The joystick to query.
* @return `GL_TRUE` if the joystick is present, or `GL_FALSE` otherwise.
*
* @ingroup input
*/
GLFWAPI int glfwJoystickPresent(int joy);
/*! @brief Returns the values of all axes of the specified joystick.
*
* This function returns the values of all axes of the specified joystick.
*
* @param[in] joy The joystick to query.
* @param[out] count Where to store the size of the returned array. This is
* set to zero if an error occurred.
* @return An array of axis values, or `NULL` if the joystick is not present.
*
* @note The returned array is allocated and freed by GLFW. You should not
* free it yourself.
*
* @note The returned array is valid only until the next call to @ref
* glfwGetJoystickAxes for that joystick.
*
* @ingroup input
*/
GLFWAPI const float* glfwGetJoystickAxes(int joy, int* count);
/*! @brief Returns the state of all buttons of the specified joystick.
*
* This function returns the state of all buttons of the specified joystick.
*
* @param[in] joy The joystick to query.
* @param[out] count Where to store the size of the returned array. This is
* set to zero if an error occurred.
* @return An array of button states, or `NULL` if the joystick is not present.
*
* @note The returned array is allocated and freed by GLFW. You should not
* free it yourself.
*
* @note The returned array is valid only until the next call to @ref
* glfwGetJoystickButtons for that joystick.
*
* @ingroup input
*/
GLFWAPI const unsigned char* glfwGetJoystickButtons(int joy, int* count);
/*! @brief Returns the name of the specified joystick.
*
* This function returns the name, encoded as UTF-8, of the specified joystick.
*
* @param[in] joy The joystick to query.
* @return The UTF-8 encoded name of the joystick, or `NULL` if the joystick
* is not present.
*
* @note The returned string is allocated and freed by GLFW. You should not
* free it yourself.
*
* @note The returned string is valid only until the next call to @ref
* glfwGetJoystickName for that joystick.
*
* @ingroup input
*/
GLFWAPI const char* glfwGetJoystickName(int joy);
/*! @brief Sets the clipboard to the specified string.
*
* This function sets the system clipboard to the specified, UTF-8 encoded
* string. The string is copied before returning, so you don't have to retain
* it afterwards.
*
* @param[in] window The window that will own the clipboard contents.
* @param[in] string A UTF-8 encoded string.
*
* @note This function may only be called from the main thread.
*
* @sa glfwGetClipboardString
*
* @ingroup clipboard
*/
GLFWAPI void glfwSetClipboardString(GLFWwindow* window, const char* string);
/*! @brief Retrieves the contents of the clipboard as a string.
*
* This function returns the contents of the system clipboard, if it contains
* or is convertible to a UTF-8 encoded 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 `NULL`
* if an error occurred.
*
* @note This function may only be called from the main thread.
*
* @note The returned string is allocated and freed by GLFW. You should not
* free it yourself.
*
* @note The returned string is valid only until the next call to @ref
* glfwGetClipboardString or @ref glfwSetClipboardString.
*
* @sa glfwSetClipboardString
*
* @ingroup clipboard
*/
GLFWAPI const char* glfwGetClipboardString(GLFWwindow* window);
/*! @brief Returns the value of the GLFW timer.
*
* This function returns the value of the GLFW timer. Unless the timer has
* been set using @ref glfwSetTime, the timer measures time elapsed since GLFW
* was initialized.
*
* @return The current value, in seconds, or zero if an error occurred.
*
* @remarks This function may be called from secondary threads.
*
* @note The resolution of the timer is system dependent, but is usually on the
* order of a few micro- or nanoseconds. It uses the highest-resolution
* monotonic time source on each supported platform.
*
* @ingroup time
*/
GLFWAPI double glfwGetTime(void);
/*! @brief Sets the GLFW timer.
*
* This function sets the value of the GLFW timer. It then continues to count
* up from that value.
*
* @param[in] time The new value, in seconds.
*
* @note The resolution of the timer is system dependent, but is usually on the
* order of a few micro- or nanoseconds. It uses the highest-resolution
* monotonic time source on each supported platform.
*
* @ingroup time
*/
GLFWAPI void glfwSetTime(double time);
/*! @brief Makes the context of the specified window current for the calling
* thread.
*
* This function makes the context of the specified window current on the
* calling thread. A context can only be made current on a single thread at
* a time and each thread can have only a single current context at a time.
*
* @param[in] window The window whose context to make current, or `NULL` to
* detach the current context.
*
* @remarks This function may be called from secondary threads.
*
* @sa glfwGetCurrentContext
*
* @ingroup context
*/
GLFWAPI void glfwMakeContextCurrent(GLFWwindow* window);
/*! @brief Returns the window whose context is current on the calling thread.
*
* This function returns the window whose context is current on the calling
* thread.
*
* @return The window whose context is current, or `NULL` if no window's
* context is current.
*
* @remarks This function may be called from secondary threads.
*
* @sa glfwMakeContextCurrent
*
* @ingroup context
*/
GLFWAPI GLFWwindow* glfwGetCurrentContext(void);
/*! @brief Swaps the front and back buffers of the specified window.
*
* This function swaps the front and back buffers of the specified window. If
* the swap interval is greater than zero, the GPU driver waits the specified
* number of screen updates before swapping the buffers.
*
* @param[in] window The window whose buffers to swap.
*
* @remarks This function may be called from secondary threads.
*
* @par New in GLFW 3
* This function no longer calls @ref glfwPollEvents. You need to call it or
* @ref glfwWaitEvents yourself.
*
* @sa glfwSwapInterval
*
* @ingroup context
*/
GLFWAPI void glfwSwapBuffers(GLFWwindow* window);
/*! @brief Sets the swap interval for the current context.
*
* This function sets the swap interval for the current context, i.e. the
* number of screen updates to wait before swapping the buffers of a window and
* returning from @ref glfwSwapBuffers. This is sometimes called 'vertical
* synchronization', 'vertical retrace synchronization' or 'vsync'.
*
* Contexts that support either of the `WGL_EXT_swap_control_tear` and
* `GLX_EXT_swap_control_tear` extensions also accept negative swap intervals,
* which allow the driver to swap even if a frame arrives a little bit late.
* You can check for the presence of these extensions using @ref
* glfwExtensionSupported. For more information about swap tearing, see the
* extension specifications.
*
* @param[in] interval The minimum number of screen updates to wait for
* until the buffers are swapped by @ref glfwSwapBuffers.
*
* @remarks This function may be called from secondary threads.
*
Update GLFW to 3.0.4 and include x64 lib for MSVC
2014-08-24 02:24:08 +02:00
* @note This function is not called during window creation, leaving the swap
* interval set to whatever is the default on that platform. This is done
* because some swap interval extensions used by GLFW do not allow the swap
* interval to be reset to zero once it has been set to a non-zero value.
*
adding initial project layout
2013-08-30 05:35:09 +02:00
* @note Some GPU drivers do not honor the requested swap interval, either
* because of user settings that override the request or due to bugs in the
* driver.
*
* @sa glfwSwapBuffers
*
* @ingroup context
*/
GLFWAPI void glfwSwapInterval(int interval);
/*! @brief Returns whether the specified extension is available.
*
* This function returns whether the specified
* [OpenGL or context creation API extension](@ref context_glext) is supported
* by the current context. For example, on Windows both the OpenGL and WGL
* extension strings are checked.
*
* @param[in] extension The ASCII encoded name of the extension.
* @return `GL_TRUE` if the extension is available, or `GL_FALSE` otherwise.
*
* @remarks This function may be called from secondary threads.
*
* @note As this functions searches one or more extension strings on each call,
* it is recommended that you cache its results if it's going to be used
* frequently. The extension strings will not change during the lifetime of
* a context, so there is no danger in doing this.
*
* @ingroup context
*/
GLFWAPI int glfwExtensionSupported(const char* extension);
/*! @brief Returns the address of the specified function for the current
* context.
*
* This function returns the address of the specified
* [client API or extension function](@ref context_glext), if it is supported
* by the current context.
*
* @param[in] procname The ASCII encoded name of the function.
* @return The address of the function, or `NULL` if the function is
* unavailable.
*
* @remarks This function may be called from secondary threads.
*
* @note The addresses of these functions are not guaranteed to be the same for
* all contexts, especially if they use different client APIs or even different
* context creation hints.
*
* @ingroup context
*/
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_ */
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