mirror of
https://github.com/glfw/glfw.git
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402 lines
15 KiB
C
Executable File
402 lines
15 KiB
C
Executable File
//========================================================================
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// GLFW - An OpenGL library
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// Platform: Any
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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 _internal_h_
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#define _internal_h_
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//========================================================================
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// Input handling definitions
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//========================================================================
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// Internal key and button state/action definitions
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#define GLFW_STICK 2
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//========================================================================
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// Internal type declarations
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//========================================================================
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typedef struct _GLFWhints _GLFWhints;
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typedef struct _GLFWwndconfig _GLFWwndconfig;
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typedef struct _GLFWfbconfig _GLFWfbconfig;
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typedef struct _GLFWwindow _GLFWwindow;
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typedef struct _GLFWlibrary _GLFWlibrary;
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typedef struct _GLFWmonitor _GLFWmonitor;
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//------------------------------------------------------------------------
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// Platform specific definitions goes in platform.h (which also includes
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// glfw.h)
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//------------------------------------------------------------------------
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#include "config.h"
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#include "../include/GL/glfw3.h"
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// This path may need to be changed if you build GLFW using your own setup
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// We ship and use our own copy of glext.h since GLFW uses fairly new
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// extensions and not all operating systems come with an up-to-date version
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#include "../support/GL/glext.h"
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#if defined(_GLFW_COCOA_NSGL)
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#include "cocoa_platform.h"
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#elif defined(_GLFW_WIN32_WGL)
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#include "win32_platform.h"
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#elif defined(_GLFW_X11_GLX)
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#include "x11_platform.h"
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#else
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#error "No supported platform selected"
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#endif
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//------------------------------------------------------------------------
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// Window hints, set by glfwWindowHint and consumed by glfwCreateWindow
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// A bucket of semi-random stuff lumped together for historical reasons
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// This is used only by the platform independent code and only to store
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// parameters passed to us by glfwWindowHint
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//------------------------------------------------------------------------
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struct _GLFWhints
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{
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int redBits;
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int greenBits;
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int blueBits;
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int alphaBits;
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int depthBits;
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int stencilBits;
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int refreshRate;
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int accumRedBits;
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int accumGreenBits;
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int accumBlueBits;
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int accumAlphaBits;
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int auxBuffers;
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GLboolean stereo;
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GLboolean resizable;
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GLboolean visible;
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int samples;
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int glMajor;
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int glMinor;
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GLboolean glForward;
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GLboolean glDebug;
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int glProfile;
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int glRobustness;
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};
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//------------------------------------------------------------------------
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// Parameters relating to the creation of the context and window but not
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// directly related to the properties of the framebuffer
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// This is used to pass window and context creation parameters from the
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// platform independent code to the platform specific code
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//------------------------------------------------------------------------
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struct _GLFWwndconfig
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{
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int mode;
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const char* title;
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int refreshRate;
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GLboolean resizable;
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GLboolean visible;
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int glMajor;
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int glMinor;
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GLboolean glForward;
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GLboolean glDebug;
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int glProfile;
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int glRobustness;
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_GLFWwindow* share;
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};
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//------------------------------------------------------------------------
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// Framebuffer configuration descriptor, i.e. buffers and their sizes
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// Also a platform specific ID used to map back to the actual backend APIs
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// This is used to pass framebuffer parameters from the platform independent
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// code to the platform specific code, and also to enumerate and select
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// available framebuffer configurations
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//------------------------------------------------------------------------
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struct _GLFWfbconfig
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{
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int redBits;
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int greenBits;
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int blueBits;
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int alphaBits;
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int depthBits;
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int stencilBits;
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int accumRedBits;
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int accumGreenBits;
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int accumBlueBits;
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int accumAlphaBits;
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int auxBuffers;
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GLboolean stereo;
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int samples;
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GLFWintptr platformID;
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};
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//------------------------------------------------------------------------
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// Window structure
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//------------------------------------------------------------------------
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struct _GLFWwindow
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{
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struct _GLFWwindow* next;
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// Window settings and state
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GLboolean iconified; // GL_TRUE if this window is iconified
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GLboolean closeRequested; // GL_TRUE if this window should be closed
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int width, height;
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int positionX, positionY;
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int mode; // GLFW_WINDOW or GLFW_FULLSCREEN
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GLboolean resizable; // GL_TRUE if user may resize this window
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GLboolean visible; // GL_TRUE if this window is visible
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int refreshRate; // monitor refresh rate
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void* userPointer;
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// Window input state
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GLboolean stickyKeys;
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GLboolean stickyMouseButtons;
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GLboolean keyRepeat;
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GLboolean systemKeys; // system keys enabled flag
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int cursorPosX, cursorPosY;
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int cursorMode;
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double scrollX, scrollY;
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char mouseButton[GLFW_MOUSE_BUTTON_LAST + 1];
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char key[GLFW_KEY_LAST + 1];
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// OpenGL extensions and context attributes
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int glMajor, glMinor, glRevision;
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GLboolean glForward, glDebug;
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int glProfile;
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int glRobustness;
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PFNGLGETSTRINGIPROC GetStringi;
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// These are defined in the current port's platform.h
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_GLFW_PLATFORM_WINDOW_STATE;
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_GLFW_PLATFORM_CONTEXT_STATE;
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};
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//------------------------------------------------------------------------
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// Display structure
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//------------------------------------------------------------------------
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struct _GLFWmonitor
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{
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void* userPointer;
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char* name;
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// physical dimensions in millimeters.
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int physicalWidth;
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int physicalHeight;
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// logical orientation of the screen on the desktop
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int screenX;
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int screenY;
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GLFWvidmode* modes;
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// These are defined in the current port's platform.h
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_GLFW_PLATFORM_MONITOR_STATE;
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};
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//------------------------------------------------------------------------
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// Library global data
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//------------------------------------------------------------------------
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struct _GLFWlibrary
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{
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_GLFWhints hints;
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_GLFWwindow* windowListHead;
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_GLFWwindow* activeWindow;
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_GLFWwindow* cursorLockWindow;
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_GLFWmonitor** monitors;
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int monitorCount;
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GLFWwindowsizefun windowSizeCallback;
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GLFWwindowclosefun windowCloseCallback;
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GLFWwindowrefreshfun windowRefreshCallback;
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GLFWwindowfocusfun windowFocusCallback;
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GLFWwindowiconifyfun windowIconifyCallback;
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GLFWmousebuttonfun mouseButtonCallback;
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GLFWcursorposfun cursorPosCallback;
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GLFWcursorenterfun cursorEnterCallback;
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GLFWscrollfun scrollCallback;
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GLFWkeyfun keyCallback;
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GLFWcharfun charCallback;
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GLFWmonitorfun monitorCallback;
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GLFWgammaramp currentRamp;
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GLFWgammaramp originalRamp;
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int originalRampSize;
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GLboolean rampChanged;
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// This is defined in the current port's platform.h
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_GLFW_PLATFORM_LIBRARY_WINDOW_STATE;
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_GLFW_PLATFORM_LIBRARY_OPENGL_STATE;
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};
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//------------------------------------------------------------------------
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// Global state shared between compilation units of GLFW
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// These are exported from and documented in init.c
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//------------------------------------------------------------------------
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extern GLboolean _glfwInitialized;
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extern _GLFWlibrary _glfwLibrary;
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//========================================================================
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// Prototypes for the platform API
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// This is the interface exposed by the platform-specific code for each
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// platform and is called by the shared code of the public API
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// It mirrors the public API except it uses objects instead of handles
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//========================================================================
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// Platform init and version
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int _glfwPlatformInit(void);
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int _glfwPlatformTerminate(void);
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const char* _glfwPlatformGetVersionString(void);
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// Input mode support
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void _glfwPlatformEnableSystemKeys(_GLFWwindow* window);
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void _glfwPlatformDisableSystemKeys(_GLFWwindow* window);
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void _glfwPlatformSetCursorPos(_GLFWwindow* window, int x, int y);
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void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode);
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// Monitor support
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_GLFWmonitor** _glfwPlatformGetMonitors(int* count);
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void _glfwPlatformDestroyMonitor(_GLFWmonitor* monitor);
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// Video mode support
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GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* count);
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void _glfwPlatformGetVideoMode(_GLFWmonitor* monitor, GLFWvidmode* mode);
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// Gamma ramp support
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void _glfwPlatformGetGammaRamp(GLFWgammaramp* ramp);
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void _glfwPlatformSetGammaRamp(const GLFWgammaramp* ramp);
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// Clipboard support
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void _glfwPlatformSetClipboardString(_GLFWwindow* window, const char* string);
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const char* _glfwPlatformGetClipboardString(_GLFWwindow* window);
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// Joystick input
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int _glfwPlatformGetJoystickParam(int joy, int param);
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int _glfwPlatformGetJoystickAxes(int joy, float* axes, int numaxes);
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int _glfwPlatformGetJoystickButtons(int joy, unsigned char* buttons, int numbuttons);
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// Time input
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double _glfwPlatformGetTime(void);
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void _glfwPlatformSetTime(double time);
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// Window management
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int _glfwPlatformCreateWindow(_GLFWwindow* window, const _GLFWwndconfig* wndconfig, const _GLFWfbconfig* fbconfig);
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void _glfwPlatformDestroyWindow(_GLFWwindow* window);
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void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title);
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void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height);
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void _glfwPlatformSetWindowPos(_GLFWwindow* window, int x, int y);
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void _glfwPlatformIconifyWindow(_GLFWwindow* window);
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void _glfwPlatformRestoreWindow(_GLFWwindow* window);
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void _glfwPlatformShowWindow(_GLFWwindow* window);
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void _glfwPlatformHideWindow(_GLFWwindow* window);
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// Event processing
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void _glfwPlatformPollEvents(void);
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void _glfwPlatformWaitEvents(void);
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// OpenGL context management
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void _glfwPlatformMakeContextCurrent(_GLFWwindow* window);
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_GLFWwindow* _glfwPlatformGetCurrentContext(void);
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void _glfwPlatformSwapBuffers(_GLFWwindow* window);
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void _glfwPlatformSwapInterval(int interval);
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void _glfwPlatformRefreshWindowParams(_GLFWwindow* window);
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int _glfwPlatformExtensionSupported(const char* extension);
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GLFWglproc _glfwPlatformGetProcAddress(const char* procname);
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void _glfwPlatformCopyContext(_GLFWwindow* src, _GLFWwindow* dst, unsigned long mask);
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//========================================================================
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// Prototypes for the event API
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// This is used by the platform-specific code to notify the shared code of
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// events that can be translated into state changes and/or callback calls,
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// instead of directly calling callbacks or modifying shared state
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//========================================================================
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// Window event notification (window.c)
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void _glfwInputWindowFocus(_GLFWwindow* window, GLboolean activated);
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void _glfwInputWindowPos(_GLFWwindow* window, int x, int y);
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void _glfwInputWindowSize(_GLFWwindow* window, int width, int height);
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void _glfwInputWindowIconify(_GLFWwindow* window, int iconified);
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void _glfwInputWindowVisibility(_GLFWwindow* window, int visible);
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void _glfwInputWindowDamage(_GLFWwindow* window);
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void _glfwInputWindowCloseRequest(_GLFWwindow* window);
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// Input event notification (input.c)
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void _glfwInputKey(_GLFWwindow* window, int key, int action);
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void _glfwInputChar(_GLFWwindow* window, int character);
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void _glfwInputScroll(_GLFWwindow* window, double x, double y);
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void _glfwInputMouseClick(_GLFWwindow* window, int button, int action);
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void _glfwInputCursorMotion(_GLFWwindow* window, int x, int y);
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void _glfwInputCursorEnter(_GLFWwindow* window, int entered);
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// Monitor event notification (monitor.c)
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void _glfwInputMonitorChange(void);
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//========================================================================
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// Prototypes for internal utility functions
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// These functions are shared code and may be used by any part of GLFW
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// Each platform may add its own utility functions, but those may only be
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// called by the platform-specific code
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//========================================================================
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// Fullscren management (fullscreen.c)
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int _glfwCompareVideoModes(const GLFWvidmode* first, const GLFWvidmode* second);
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void _glfwSplitBPP(int bpp, int* red, int* green, int* blue);
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// Error handling (init.c)
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void _glfwSetError(int error, const char* format, ...);
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// Window management (window.c)
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void _glfwSetDefaultWindowHints(void);
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// OpenGL context helpers (opengl.c)
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int _glfwStringInExtensionString(const char* string, const GLubyte* extensions);
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const _GLFWfbconfig* _glfwChooseFBConfig(const _GLFWfbconfig* desired,
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const _GLFWfbconfig* alternatives,
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unsigned int count);
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GLboolean _glfwRefreshContextParams(void);
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GLboolean _glfwIsValidContextConfig(_GLFWwndconfig* wndconfig);
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GLboolean _glfwIsValidContext(_GLFWwndconfig* wndconfig);
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// Monitor management (monitor.c)
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_GLFWmonitor* _glfwCreateMonitor(const char* name,
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int physicalWidth, int physicalHeight,
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int screenX, int screenY);
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void _glfwDestroyMonitor(_GLFWmonitor* monitor);
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void _glfwDestroyMonitors(void);
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#endif // _internal_h_
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