//======================================================================== // GLFW 3.3 - www.glfw.org //------------------------------------------------------------------------ // Copyright (c) 2002-2006 Marcus Geelnard // Copyright (c) 2006-2016 Camilla Löwy // Copyright (c) 2012 Torsten Walluhn // // 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. // //======================================================================== #include "internal.h" #include #include #include #include ////////////////////////////////////////////////////////////////////////// ////// GLFW event API ////// ////////////////////////////////////////////////////////////////////////// void _glfwInputWindowFocus(_GLFWwindow* window, GLFWbool focused) { if (focused) { if (window->callbacks.focus) window->callbacks.focus((GLFWwindow*) window, focused); } else { int i; if (window->callbacks.focus) window->callbacks.focus((GLFWwindow*) window, focused); for (i = 0; i <= GLFW_KEY_LAST; i++) { if (window->keys[i] == GLFW_PRESS) _glfwInputKey(window, i, 0, GLFW_RELEASE, 0); } for (i = 0; i <= GLFW_MOUSE_BUTTON_LAST; i++) { if (window->mouseButtons[i] == GLFW_PRESS) _glfwInputMouseClick(window, i, GLFW_RELEASE, 0); } } } void _glfwInputWindowPos(_GLFWwindow* window, int x, int y) { if (window->callbacks.pos) window->callbacks.pos((GLFWwindow*) window, x, y); } void _glfwInputWindowSize(_GLFWwindow* window, int width, int height) { if (window->callbacks.size) window->callbacks.size((GLFWwindow*) window, width, height); } void _glfwInputWindowIconify(_GLFWwindow* window, GLFWbool iconified) { if (window->callbacks.iconify) window->callbacks.iconify((GLFWwindow*) window, iconified); } void _glfwInputWindowMaximize(_GLFWwindow* window, GLFWbool maximized) { if (window->callbacks.maximize) window->callbacks.maximize((GLFWwindow*) window, maximized); } void _glfwInputFramebufferSize(_GLFWwindow* window, int width, int height) { if (window->callbacks.fbsize) window->callbacks.fbsize((GLFWwindow*) window, width, height); } void _glfwInputWindowDamage(_GLFWwindow* window) { if (window->callbacks.refresh) window->callbacks.refresh((GLFWwindow*) window); } void _glfwInputWindowCloseRequest(_GLFWwindow* window) { window->shouldClose = GLFW_TRUE; if (window->callbacks.close) window->callbacks.close((GLFWwindow*) window); } void _glfwInputWindowMonitorChange(_GLFWwindow* window, _GLFWmonitor* monitor) { window->monitor = monitor; } ////////////////////////////////////////////////////////////////////////// ////// GLFW public API ////// ////////////////////////////////////////////////////////////////////////// GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height, const char* title, GLFWmonitor* monitor, GLFWwindow* share) { _GLFWfbconfig fbconfig; _GLFWctxconfig ctxconfig; _GLFWwndconfig wndconfig; _GLFWwindow* window; _GLFWwindow* previous; assert(title != NULL); _GLFW_REQUIRE_INIT_OR_RETURN(NULL); if (width <= 0 || height <= 0) { _glfwInputError(GLFW_INVALID_VALUE, "Invalid window size %ix%i", width, height); return NULL; } fbconfig = _glfw.hints.framebuffer; ctxconfig = _glfw.hints.context; wndconfig = _glfw.hints.window; wndconfig.width = width; wndconfig.height = height; wndconfig.title = title; ctxconfig.share = (_GLFWwindow*) share; if (ctxconfig.share) { if (ctxconfig.client == GLFW_NO_API || ctxconfig.share->context.client == GLFW_NO_API) { _glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL); return NULL; } } if (!_glfwIsValidContextConfig(&ctxconfig)) return NULL; window = calloc(1, sizeof(_GLFWwindow)); window->next = _glfw.windowListHead; _glfw.windowListHead = window; window->videoMode.width = width; window->videoMode.height = height; window->videoMode.redBits = fbconfig.redBits; window->videoMode.greenBits = fbconfig.greenBits; window->videoMode.blueBits = fbconfig.blueBits; window->videoMode.refreshRate = _glfw.hints.refreshRate; window->monitor = (_GLFWmonitor*) monitor; window->resizable = wndconfig.resizable; window->decorated = wndconfig.decorated; window->autoIconify = wndconfig.autoIconify; window->floating = wndconfig.floating; window->cursorMode = GLFW_CURSOR_NORMAL; window->minwidth = GLFW_DONT_CARE; window->minheight = GLFW_DONT_CARE; window->maxwidth = GLFW_DONT_CARE; window->maxheight = GLFW_DONT_CARE; window->numer = GLFW_DONT_CARE; window->denom = GLFW_DONT_CARE; // Save the currently current context so it can be restored later previous = _glfwPlatformGetCurrentContext(); if (ctxconfig.client != GLFW_NO_API) glfwMakeContextCurrent(NULL); // Open the actual window and create its context if (!_glfwPlatformCreateWindow(window, &wndconfig, &ctxconfig, &fbconfig)) { glfwMakeContextCurrent((GLFWwindow*) previous); glfwDestroyWindow((GLFWwindow*) window); return NULL; } if (ctxconfig.client != GLFW_NO_API) { window->context.makeCurrent(window); // Retrieve the actual (as opposed to requested) context attributes if (!_glfwRefreshContextAttribs(&ctxconfig)) { glfwMakeContextCurrent((GLFWwindow*) previous); glfwDestroyWindow((GLFWwindow*) window); return NULL; } // Restore the previously current context (or NULL) glfwMakeContextCurrent((GLFWwindow*) previous); } if (!window->monitor) { if (wndconfig.visible) { _glfwPlatformShowWindow(window); if (wndconfig.focused) _glfwPlatformFocusWindow(window); } } return (GLFWwindow*) window; } void glfwDefaultWindowHints(void) { _GLFW_REQUIRE_INIT(); memset(&_glfw.hints, 0, sizeof(_glfw.hints)); // The default is OpenGL with minimum version 1.0 _glfw.hints.context.client = GLFW_OPENGL_API; _glfw.hints.context.source = GLFW_NATIVE_CONTEXT_API; _glfw.hints.context.major = 1; _glfw.hints.context.minor = 0; // The default is a focused, visible, resizable window with decorations _glfw.hints.window.resizable = GLFW_TRUE; _glfw.hints.window.visible = GLFW_TRUE; _glfw.hints.window.decorated = GLFW_TRUE; _glfw.hints.window.focused = GLFW_TRUE; _glfw.hints.window.autoIconify = GLFW_TRUE; // The default is 24 bits of color, 24 bits of depth and 8 bits of stencil, // double buffered _glfw.hints.framebuffer.redBits = 8; _glfw.hints.framebuffer.greenBits = 8; _glfw.hints.framebuffer.blueBits = 8; _glfw.hints.framebuffer.alphaBits = 8; _glfw.hints.framebuffer.depthBits = 24; _glfw.hints.framebuffer.stencilBits = 8; _glfw.hints.framebuffer.doublebuffer = GLFW_TRUE; // The default is to select the highest available refresh rate _glfw.hints.refreshRate = GLFW_DONT_CARE; // The default is to use full Retina resolution framebuffers _glfw.hints.window.ns.retina = GLFW_TRUE; } GLFWAPI void glfwWindowHint(int hint, int value) { _GLFW_REQUIRE_INIT(); switch (hint) { case GLFW_RED_BITS: _glfw.hints.framebuffer.redBits = value; break; case GLFW_GREEN_BITS: _glfw.hints.framebuffer.greenBits = value; break; case GLFW_BLUE_BITS: _glfw.hints.framebuffer.blueBits = value; break; case GLFW_ALPHA_BITS: _glfw.hints.framebuffer.alphaBits = value; break; case GLFW_DEPTH_BITS: _glfw.hints.framebuffer.depthBits = value; break; case GLFW_STENCIL_BITS: _glfw.hints.framebuffer.stencilBits = value; break; case GLFW_ACCUM_RED_BITS: _glfw.hints.framebuffer.accumRedBits = value; break; case GLFW_ACCUM_GREEN_BITS: _glfw.hints.framebuffer.accumGreenBits = value; break; case GLFW_ACCUM_BLUE_BITS: _glfw.hints.framebuffer.accumBlueBits = value; break; case GLFW_ACCUM_ALPHA_BITS: _glfw.hints.framebuffer.accumAlphaBits = value; break; case GLFW_AUX_BUFFERS: _glfw.hints.framebuffer.auxBuffers = value; break; case GLFW_STEREO: _glfw.hints.framebuffer.stereo = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_DOUBLEBUFFER: _glfw.hints.framebuffer.doublebuffer = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_SAMPLES: _glfw.hints.framebuffer.samples = value; break; case GLFW_SRGB_CAPABLE: _glfw.hints.framebuffer.sRGB = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_RESIZABLE: _glfw.hints.window.resizable = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_DECORATED: _glfw.hints.window.decorated = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_FOCUSED: _glfw.hints.window.focused = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_AUTO_ICONIFY: _glfw.hints.window.autoIconify = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_FLOATING: _glfw.hints.window.floating = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_MAXIMIZED: _glfw.hints.window.maximized = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_VISIBLE: _glfw.hints.window.visible = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_COCOA_RETINA_FRAMEBUFFER: _glfw.hints.window.ns.retina = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_COCOA_FRAME_AUTOSAVE: _glfw.hints.window.ns.frame = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_CLIENT_API: _glfw.hints.context.client = value; break; case GLFW_CONTEXT_CREATION_API: _glfw.hints.context.source = value; break; case GLFW_CONTEXT_VERSION_MAJOR: _glfw.hints.context.major = value; break; case GLFW_CONTEXT_VERSION_MINOR: _glfw.hints.context.minor = value; break; case GLFW_CONTEXT_ROBUSTNESS: _glfw.hints.context.robustness = value; break; case GLFW_OPENGL_FORWARD_COMPAT: _glfw.hints.context.forward = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_OPENGL_DEBUG_CONTEXT: _glfw.hints.context.debug = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_CONTEXT_NO_ERROR: _glfw.hints.context.noerror = value ? GLFW_TRUE : GLFW_FALSE; break; case GLFW_OPENGL_PROFILE: _glfw.hints.context.profile = value; break; case GLFW_CONTEXT_RELEASE_BEHAVIOR: _glfw.hints.context.release = value; break; case GLFW_REFRESH_RATE: _glfw.hints.refreshRate = value; break; default: _glfwInputError(GLFW_INVALID_ENUM, "Invalid window hint %i", hint); break; } } GLFWAPI void glfwDestroyWindow(GLFWwindow* handle) { _GLFWwindow* window = (_GLFWwindow*) handle; _GLFW_REQUIRE_INIT(); // Allow closing of NULL (to match the behavior of free) if (window == NULL) return; // Clear all callbacks to avoid exposing a half torn-down window object memset(&window->callbacks, 0, sizeof(window->callbacks)); // The window's context must not be current on another thread when the // window is destroyed if (window == _glfwPlatformGetCurrentContext()) glfwMakeContextCurrent(NULL); _glfwPlatformDestroyWindow(window); // Unlink window from global linked list { _GLFWwindow** prev = &_glfw.windowListHead; while (*prev != window) prev = &((*prev)->next); *prev = window->next; } free(window); } GLFWAPI int glfwWindowShouldClose(GLFWwindow* handle) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT_OR_RETURN(0); return window->shouldClose; } GLFWAPI void glfwSetWindowShouldClose(GLFWwindow* handle, int value) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT(); window->shouldClose = value; } GLFWAPI void glfwSetWindowTitle(GLFWwindow* handle, const char* title) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); assert(title != NULL); _GLFW_REQUIRE_INIT(); _glfwPlatformSetWindowTitle(window, title); } GLFWAPI void glfwSetWindowIcon(GLFWwindow* handle, int count, const GLFWimage* images) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); assert(count >= 0); assert(count == 0 || images != NULL); _GLFW_REQUIRE_INIT(); _glfwPlatformSetWindowIcon(window, count, images); } GLFWAPI void glfwGetWindowPos(GLFWwindow* handle, int* xpos, int* ypos) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); if (xpos) *xpos = 0; if (ypos) *ypos = 0; _GLFW_REQUIRE_INIT(); _glfwPlatformGetWindowPos(window, xpos, ypos); } GLFWAPI void glfwSetWindowPos(GLFWwindow* handle, int xpos, int ypos) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT(); if (window->monitor) return; _glfwPlatformSetWindowPos(window, xpos, ypos); } GLFWAPI void glfwGetWindowSize(GLFWwindow* handle, int* width, int* height) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); if (width) *width = 0; if (height) *height = 0; _GLFW_REQUIRE_INIT(); _glfwPlatformGetWindowSize(window, width, height); } GLFWAPI void glfwSetWindowSize(GLFWwindow* handle, int width, int height) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT(); window->videoMode.width = width; window->videoMode.height = height; _glfwPlatformSetWindowSize(window, width, height); } GLFWAPI void glfwSetWindowSizeLimits(GLFWwindow* handle, int minwidth, int minheight, int maxwidth, int maxheight) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT(); if (minwidth != GLFW_DONT_CARE && minheight != GLFW_DONT_CARE) { if (minwidth < 0 || minheight < 0) { _glfwInputError(GLFW_INVALID_VALUE, "Invalid window minimum size %ix%i", minwidth, minheight); return; } } if (maxwidth != GLFW_DONT_CARE && maxheight != GLFW_DONT_CARE) { if (maxwidth < 0 || maxheight < 0 || maxwidth < minwidth || maxheight < minheight) { _glfwInputError(GLFW_INVALID_VALUE, "Invalid window maximum size %ix%i", maxwidth, maxheight); return; } } window->minwidth = minwidth; window->minheight = minheight; window->maxwidth = maxwidth; window->maxheight = maxheight; if (window->monitor || !window->resizable) return; _glfwPlatformSetWindowSizeLimits(window, minwidth, minheight, maxwidth, maxheight); } GLFWAPI void glfwSetWindowAspectRatio(GLFWwindow* handle, int numer, int denom) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT(); if (numer != GLFW_DONT_CARE && denom != GLFW_DONT_CARE) { if (numer <= 0 || denom <= 0) { _glfwInputError(GLFW_INVALID_VALUE, "Invalid window aspect ratio %i:%i", numer, denom); return; } } window->numer = numer; window->denom = denom; if (window->monitor || !window->resizable) return; _glfwPlatformSetWindowAspectRatio(window, numer, denom); } GLFWAPI void glfwGetFramebufferSize(GLFWwindow* handle, int* width, int* height) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); if (width) *width = 0; if (height) *height = 0; _GLFW_REQUIRE_INIT(); _glfwPlatformGetFramebufferSize(window, width, height); } GLFWAPI void glfwGetWindowFrameSize(GLFWwindow* handle, int* left, int* top, int* right, int* bottom) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); if (left) *left = 0; if (top) *top = 0; if (right) *right = 0; if (bottom) *bottom = 0; _GLFW_REQUIRE_INIT(); _glfwPlatformGetWindowFrameSize(window, left, top, right, bottom); } GLFWAPI void glfwIconifyWindow(GLFWwindow* handle) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT(); _glfwPlatformIconifyWindow(window); } GLFWAPI void glfwRestoreWindow(GLFWwindow* handle) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT(); _glfwPlatformRestoreWindow(window); } GLFWAPI void glfwMaximizeWindow(GLFWwindow* handle) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT(); if (window->monitor) return; _glfwPlatformMaximizeWindow(window); } GLFWAPI void glfwShowWindow(GLFWwindow* handle) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT(); if (window->monitor) return; _glfwPlatformShowWindow(window); _glfwPlatformFocusWindow(window); } GLFWAPI void glfwHideWindow(GLFWwindow* handle) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT(); if (window->monitor) return; _glfwPlatformHideWindow(window); } GLFWAPI void glfwFocusWindow(GLFWwindow* handle) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT(); _glfwPlatformFocusWindow(window); } GLFWAPI int glfwGetWindowAttrib(GLFWwindow* handle, int attrib) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT_OR_RETURN(0); switch (attrib) { case GLFW_FOCUSED: return _glfwPlatformWindowFocused(window); case GLFW_ICONIFIED: return _glfwPlatformWindowIconified(window); case GLFW_VISIBLE: return _glfwPlatformWindowVisible(window); case GLFW_MAXIMIZED: return _glfwPlatformWindowMaximized(window); case GLFW_RESIZABLE: return window->resizable; case GLFW_DECORATED: return window->decorated; case GLFW_FLOATING: return window->floating; case GLFW_AUTO_ICONIFY: return window->autoIconify; case GLFW_CLIENT_API: return window->context.client; case GLFW_CONTEXT_CREATION_API: return window->context.source; case GLFW_CONTEXT_VERSION_MAJOR: return window->context.major; case GLFW_CONTEXT_VERSION_MINOR: return window->context.minor; case GLFW_CONTEXT_REVISION: return window->context.revision; case GLFW_CONTEXT_ROBUSTNESS: return window->context.robustness; case GLFW_OPENGL_FORWARD_COMPAT: return window->context.forward; case GLFW_OPENGL_DEBUG_CONTEXT: return window->context.debug; case GLFW_OPENGL_PROFILE: return window->context.profile; case GLFW_CONTEXT_RELEASE_BEHAVIOR: return window->context.release; case GLFW_CONTEXT_NO_ERROR: return window->context.noerror; } _glfwInputError(GLFW_INVALID_ENUM, "Invalid window attribute %i", attrib); return 0; } GLFWAPI void glfwSetWindowAttrib(GLFWwindow* handle, int attrib, int value) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT(); value = value ? GLFW_TRUE : GLFW_FALSE; switch (attrib) { case GLFW_RESIZABLE: if (window->resizable != value) { window->resizable = value; if (!window->monitor) _glfwPlatformSetWindowResizable(window, value); } return; case GLFW_DECORATED: if (window->decorated != value) { window->decorated = value; if (!window->monitor) _glfwPlatformSetWindowDecorated(window, value); } return; case GLFW_FLOATING: if (window->floating != value) { window->floating = value; if (!window->monitor) _glfwPlatformSetWindowFloating(window, value); } return; case GLFW_AUTO_ICONIFY: window->autoIconify = value; return; } _glfwInputError(GLFW_INVALID_ENUM, "Invalid window attribute %i", attrib); } GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* handle) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT_OR_RETURN(NULL); return (GLFWmonitor*) window->monitor; } GLFWAPI void glfwSetWindowMonitor(GLFWwindow* wh, GLFWmonitor* mh, int xpos, int ypos, int width, int height, int refreshRate) { _GLFWwindow* window = (_GLFWwindow*) wh; _GLFWmonitor* monitor = (_GLFWmonitor*) mh; assert(window != NULL); _GLFW_REQUIRE_INIT(); if (width <= 0 || height <= 0) { _glfwInputError(GLFW_INVALID_VALUE, "Invalid window size %ix%i", width, height); return; } if (refreshRate < 0 && refreshRate != GLFW_DONT_CARE) { _glfwInputError(GLFW_INVALID_VALUE, "Invalid refresh rate %i", refreshRate); return; } window->videoMode.width = width; window->videoMode.height = height; window->videoMode.refreshRate = refreshRate; _glfwPlatformSetWindowMonitor(window, monitor, xpos, ypos, width, height, refreshRate); } GLFWAPI void glfwSetWindowUserPointer(GLFWwindow* handle, void* pointer) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT(); window->userPointer = pointer; } GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* handle) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT_OR_RETURN(NULL); return window->userPointer; } GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* handle, GLFWwindowposfun cbfun) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT_OR_RETURN(NULL); _GLFW_SWAP_POINTERS(window->callbacks.pos, cbfun); return cbfun; } GLFWAPI GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* handle, GLFWwindowsizefun cbfun) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT_OR_RETURN(NULL); _GLFW_SWAP_POINTERS(window->callbacks.size, cbfun); return cbfun; } GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* handle, GLFWwindowclosefun cbfun) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT_OR_RETURN(NULL); _GLFW_SWAP_POINTERS(window->callbacks.close, cbfun); return cbfun; } GLFWAPI GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* handle, GLFWwindowrefreshfun cbfun) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT_OR_RETURN(NULL); _GLFW_SWAP_POINTERS(window->callbacks.refresh, cbfun); return cbfun; } GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* handle, GLFWwindowfocusfun cbfun) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT_OR_RETURN(NULL); _GLFW_SWAP_POINTERS(window->callbacks.focus, cbfun); return cbfun; } GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* handle, GLFWwindowiconifyfun cbfun) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT_OR_RETURN(NULL); _GLFW_SWAP_POINTERS(window->callbacks.iconify, cbfun); return cbfun; } GLFWAPI GLFWwindowmaximizefun glfwSetWindowMaximizeCallback(GLFWwindow* handle, GLFWwindowmaximizefun cbfun) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT_OR_RETURN(NULL); _GLFW_SWAP_POINTERS(window->callbacks.maximize, cbfun); return cbfun; } GLFWAPI GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* handle, GLFWframebuffersizefun cbfun) { _GLFWwindow* window = (_GLFWwindow*) handle; assert(window != NULL); _GLFW_REQUIRE_INIT_OR_RETURN(NULL); _GLFW_SWAP_POINTERS(window->callbacks.fbsize, cbfun); return cbfun; } GLFWAPI void glfwPollEvents(void) { _GLFW_REQUIRE_INIT(); _glfwPlatformPollEvents(); } GLFWAPI void glfwWaitEvents(void) { _GLFW_REQUIRE_INIT(); if (!_glfw.windowListHead) return; _glfwPlatformWaitEvents(); } GLFWAPI void glfwWaitEventsTimeout(double timeout) { _GLFW_REQUIRE_INIT(); if (timeout != timeout || timeout < 0.0 || timeout > DBL_MAX) { _glfwInputError(GLFW_INVALID_VALUE, "Invalid time %f", timeout); return; } _glfwPlatformWaitEventsTimeout(timeout); } GLFWAPI void glfwPostEmptyEvent(void) { _GLFW_REQUIRE_INIT(); if (!_glfw.windowListHead) return; _glfwPlatformPostEmptyEvent(); }