mirror of
https://github.com/glfw/glfw.git
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261 lines
8.2 KiB
C
261 lines
8.2 KiB
C
//========================================================================
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// GLFW - An OpenGL library
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// Platform: X11
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// API version: 3.0
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// WWW: http://www.glfw.org/
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#ifndef _platform_h_
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#define _platform_h_
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#include <unistd.h>
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#include <signal.h>
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#include <stdint.h>
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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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#include <X11/Xatom.h>
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// With XFree86, we can use the XF86VidMode extension
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#if defined(_GLFW_HAS_XF86VIDMODE)
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#include <X11/extensions/xf86vmode.h>
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#endif
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// The XRandR extension provides mode setting and gamma control
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#if defined(_GLFW_HAS_XRANDR)
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#include <X11/extensions/Xrandr.h>
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#endif
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// The Xkb extension provides improved keyboard support
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#include <X11/XKBlib.h>
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#if defined(_GLFW_GLX)
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#define _GLFW_X11_CONTEXT_VISUAL window->glx.visual
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#include "glx_platform.h"
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#elif defined(_GLFW_EGL)
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#define _GLFW_X11_CONTEXT_VISUAL window->egl.visual
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#define _GLFW_EGL_NATIVE_WINDOW window->x11.handle
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#define _GLFW_EGL_NATIVE_DISPLAY _glfw.x11.display
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#include "egl_platform.h"
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#else
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#error "No supported context creation API selected"
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#endif
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#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowX11 x11
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#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryX11 x11
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#define _GLFW_PLATFORM_MONITOR_STATE _GLFWmonitorX11 x11
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// Clipboard format atom indices
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#define _GLFW_CLIPBOARD_FORMAT_UTF8 0
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#define _GLFW_CLIPBOARD_FORMAT_COMPOUND 1
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#define _GLFW_CLIPBOARD_FORMAT_STRING 2
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#define _GLFW_CLIPBOARD_FORMAT_COUNT 3
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// Clipboard conversion status tokens
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#define _GLFW_CONVERSION_INACTIVE 0
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#define _GLFW_CONVERSION_SUCCEEDED 1
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#define _GLFW_CONVERSION_FAILED 2
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//========================================================================
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// GLFW platform specific types
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//========================================================================
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//------------------------------------------------------------------------
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// Pointer length integer
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//------------------------------------------------------------------------
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typedef intptr_t GLFWintptr;
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//------------------------------------------------------------------------
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// Platform-specific window structure
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//------------------------------------------------------------------------
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typedef struct _GLFWwindowX11
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{
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// Platform specific window resources
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Colormap colormap; // Window colormap
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Window handle; // Window handle
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// Various platform specific internal variables
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GLboolean overrideRedirect; // True if window is OverrideRedirect
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GLboolean cursorGrabbed; // True if cursor is currently grabbed
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GLboolean cursorHidden; // True if cursor is currently hidden
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GLboolean cursorCentered; // True if cursor was moved since last poll
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int cursorPosX, cursorPosY;
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// Window position hint (commited the first time the window is shown)
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GLboolean windowPosSet; // False until the window position has
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// been set
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int positionX; // The window position to be set the
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int positionY; // first time the window is shown
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} _GLFWwindowX11;
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//------------------------------------------------------------------------
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// Platform-specific library global data for X11
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//------------------------------------------------------------------------
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typedef struct _GLFWlibraryX11
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{
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Display* display;
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int screen;
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Window root;
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// Invisible cursor for hidden cursor mode
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Cursor cursor;
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Atom wmDeleteWindow; // WM_DELETE_WINDOW atom
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Atom wmName; // _NET_WM_NAME atom
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Atom wmIconName; // _NET_WM_ICON_NAME atom
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Atom wmPing; // _NET_WM_PING atom
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Atom wmState; // _NET_WM_STATE atom
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Atom wmStateFullscreen; // _NET_WM_STATE_FULLSCREEN atom
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Atom wmActiveWindow; // _NET_ACTIVE_WINDOW atom
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// True if window manager supports EWMH
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GLboolean hasEWMH;
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struct {
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GLboolean available;
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int eventBase;
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int errorBase;
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} vidmode;
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struct {
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GLboolean available;
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int eventBase;
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int errorBase;
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int versionMajor;
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int versionMinor;
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GLboolean gammaBroken;
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} randr;
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struct {
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int majorOpcode;
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int eventBase;
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int errorBase;
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int versionMajor;
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int versionMinor;
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} xkb;
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// LUT for mapping X11 key codes to GLFW key codes
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int keyCodeLUT[256];
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struct {
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GLboolean changed;
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int timeout;
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int interval;
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int blanking;
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int exposure;
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} saver;
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struct {
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GLboolean monotonic;
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double resolution;
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uint64_t base;
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} timer;
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struct {
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Atom atom;
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Atom formats[_GLFW_CLIPBOARD_FORMAT_COUNT];
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char* string;
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Atom target;
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Atom targets;
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Atom property;
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int status;
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} selection;
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struct {
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int present;
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int fd;
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int numAxes;
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int numButtons;
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float* axis;
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unsigned char* button;
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char* name;
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} joystick[GLFW_JOYSTICK_LAST + 1];
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} _GLFWlibraryX11;
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//------------------------------------------------------------------------
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// Platform-specific monitor structure
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//------------------------------------------------------------------------
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typedef struct _GLFWmonitorX11
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{
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GLboolean modeChanged;
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#if defined(_GLFW_HAS_XRANDR)
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XRROutputInfo* output;
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SizeID oldSizeID;
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int oldWidth;
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int oldHeight;
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Rotation oldRotation;
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#endif /*_GLFW_HAS_XRANDR*/
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} _GLFWmonitorX11;
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//========================================================================
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// Prototypes for platform specific internal functions
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//========================================================================
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// Time
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void _glfwInitTimer(void);
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// Gamma
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void _glfwInitGammaRamp(void);
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void _glfwTerminateGammaRamp(void);
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// OpenGL support
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int _glfwInitOpenGL(void);
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void _glfwTerminateOpenGL(void);
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int _glfwCreateContext(_GLFWwindow* window,
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const _GLFWwndconfig* wndconfig,
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const _GLFWfbconfig* fbconfig);
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void _glfwDestroyContext(_GLFWwindow* window);
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// Fullscreen support
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int _glfwGetClosestVideoMode(_GLFWmonitor* monitor, int* width, int* height);
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void _glfwSetVideoModeMODE(_GLFWmonitor* monitor, int mode);
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void _glfwSetVideoMode(_GLFWmonitor* monitor, int* width, int* height);
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void _glfwRestoreVideoMode(_GLFWmonitor* monitor);
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// Joystick input
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int _glfwInitJoysticks(void);
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void _glfwTerminateJoysticks(void);
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// Unicode support
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long _glfwKeySym2Unicode(KeySym keysym);
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// Clipboard handling
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GLboolean _glfwReadSelection(XSelectionEvent* request);
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Atom _glfwWriteSelection(XSelectionRequestEvent* request);
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// Event processing
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void _glfwProcessPendingEvents(void);
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#endif // _platform_h_
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