| //======================================================================== |
| // GLFW 3.1 - www.glfw.org |
| //------------------------------------------------------------------------ |
| // Copyright (c) 2002-2006 Marcus Geelnard |
| // Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org> |
| // Copyright (c) 2012 Torsten Walluhn <tw@mad-cad.net> |
| // |
| // 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 <string.h> |
| #include <stdlib.h> |
| |
| |
| ////////////////////////////////////////////////////////////////////////// |
| ////// GLFW event API ////// |
| ////////////////////////////////////////////////////////////////////////// |
| |
| void _glfwInputWindowFocus(_GLFWwindow* window, GLboolean focused) |
| { |
| if (focused) |
| { |
| _glfw.cursorWindow = window; |
| |
| if (window->callbacks.focus) |
| window->callbacks.focus((GLFWwindow*) window, focused); |
| } |
| else |
| { |
| int i; |
| |
| _glfw.cursorWindow = NULL; |
| |
| if (window->callbacks.focus) |
| window->callbacks.focus((GLFWwindow*) window, focused); |
| |
| // Release all pressed keyboard keys |
| for (i = 0; i <= GLFW_KEY_LAST; i++) |
| { |
| if (window->keys[i] == GLFW_PRESS) |
| _glfwInputKey(window, i, 0, GLFW_RELEASE, 0); |
| } |
| |
| // Release all pressed mouse buttons |
| 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, int iconified) |
| { |
| if (window->callbacks.iconify) |
| window->callbacks.iconify((GLFWwindow*) window, iconified); |
| } |
| |
| 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->closed = GL_TRUE; |
| |
| if (window->callbacks.close) |
| window->callbacks.close((GLFWwindow*) window); |
| } |
| |
| |
| ////////////////////////////////////////////////////////////////////////// |
| ////// 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; |
| |
| _GLFW_REQUIRE_INIT_OR_RETURN(NULL); |
| |
| if (width <= 0 || height <= 0) |
| { |
| _glfwInputError(GLFW_INVALID_VALUE, "Invalid window size"); |
| return NULL; |
| } |
| |
| fbconfig = _glfw.hints.framebuffer; |
| ctxconfig = _glfw.hints.context; |
| wndconfig = _glfw.hints.window; |
| |
| wndconfig.width = width; |
| wndconfig.height = height; |
| wndconfig.title = title; |
| wndconfig.monitor = (_GLFWmonitor*) monitor; |
| ctxconfig.share = (_GLFWwindow*) share; |
| |
| if (wndconfig.monitor) |
| { |
| wndconfig.resizable = GL_TRUE; |
| wndconfig.visible = GL_TRUE; |
| wndconfig.focused = GL_TRUE; |
| } |
| |
| // Check the OpenGL bits of the window config |
| 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 = wndconfig.monitor; |
| window->resizable = wndconfig.resizable; |
| window->decorated = wndconfig.decorated; |
| window->autoIconify = wndconfig.autoIconify; |
| window->floating = wndconfig.floating; |
| window->cursorMode = GLFW_CURSOR_NORMAL; |
| |
| // Save the currently current context so it can be restored later |
| previous = _glfwPlatformGetCurrentContext(); |
| |
| // Open the actual window and create its context |
| if (!_glfwPlatformCreateWindow(window, &wndconfig, &ctxconfig, &fbconfig)) |
| { |
| glfwDestroyWindow((GLFWwindow*) window); |
| _glfwPlatformMakeContextCurrent(previous); |
| return NULL; |
| } |
| |
| _glfwPlatformMakeContextCurrent(window); |
| |
| // Retrieve the actual (as opposed to requested) context attributes |
| if (!_glfwRefreshContextAttribs(&ctxconfig)) |
| { |
| glfwDestroyWindow((GLFWwindow*) window); |
| _glfwPlatformMakeContextCurrent(previous); |
| return NULL; |
| } |
| |
| // Verify the context against the requested parameters |
| if (!_glfwIsValidContext(&ctxconfig)) |
| { |
| glfwDestroyWindow((GLFWwindow*) window); |
| _glfwPlatformMakeContextCurrent(previous); |
| return NULL; |
| } |
| |
| // Clearing the front buffer to black to avoid garbage pixels left over |
| // from previous uses of our bit of VRAM |
| window->Clear(GL_COLOR_BUFFER_BIT); |
| _glfwPlatformSwapBuffers(window); |
| |
| // Restore the previously current context (or NULL) |
| _glfwPlatformMakeContextCurrent(previous); |
| |
| if (wndconfig.monitor) |
| { |
| int width, height; |
| _glfwPlatformGetWindowSize(window, &width, &height); |
| |
| window->cursorPosX = width / 2; |
| window->cursorPosY = height / 2; |
| |
| _glfwPlatformSetCursorPos(window, window->cursorPosX, window->cursorPosY); |
| } |
| else |
| { |
| if (wndconfig.visible) |
| { |
| if (wndconfig.focused) |
| _glfwPlatformShowWindow(window); |
| else |
| _glfwPlatformUnhideWindow(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.api = GLFW_OPENGL_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 = GL_TRUE; |
| _glfw.hints.window.visible = GL_TRUE; |
| _glfw.hints.window.decorated = GL_TRUE; |
| _glfw.hints.window.focused = GL_TRUE; |
| _glfw.hints.window.autoIconify = GL_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 = GL_TRUE; |
| |
| // The default is to select the highest available refresh rate |
| _glfw.hints.refreshRate = GLFW_DONT_CARE; |
| } |
| |
| GLFWAPI void glfwWindowHint(int target, int hint) |
| { |
| _GLFW_REQUIRE_INIT(); |
| |
| switch (target) |
| { |
| case GLFW_RED_BITS: |
| _glfw.hints.framebuffer.redBits = hint; |
| break; |
| case GLFW_GREEN_BITS: |
| _glfw.hints.framebuffer.greenBits = hint; |
| break; |
| case GLFW_BLUE_BITS: |
| _glfw.hints.framebuffer.blueBits = hint; |
| break; |
| case GLFW_ALPHA_BITS: |
| _glfw.hints.framebuffer.alphaBits = hint; |
| break; |
| case GLFW_DEPTH_BITS: |
| _glfw.hints.framebuffer.depthBits = hint; |
| break; |
| case GLFW_STENCIL_BITS: |
| _glfw.hints.framebuffer.stencilBits = hint; |
| break; |
| case GLFW_ACCUM_RED_BITS: |
| _glfw.hints.framebuffer.accumRedBits = hint; |
| break; |
| case GLFW_ACCUM_GREEN_BITS: |
| _glfw.hints.framebuffer.accumGreenBits = hint; |
| break; |
| case GLFW_ACCUM_BLUE_BITS: |
| _glfw.hints.framebuffer.accumBlueBits = hint; |
| break; |
| case GLFW_ACCUM_ALPHA_BITS: |
| _glfw.hints.framebuffer.accumAlphaBits = hint; |
| break; |
| case GLFW_AUX_BUFFERS: |
| _glfw.hints.framebuffer.auxBuffers = hint; |
| break; |
| case GLFW_STEREO: |
| _glfw.hints.framebuffer.stereo = hint ? GL_TRUE : GL_FALSE; |
| break; |
| case GLFW_DOUBLEBUFFER: |
| _glfw.hints.framebuffer.doublebuffer = hint ? GL_TRUE : GL_FALSE; |
| break; |
| case GLFW_SAMPLES: |
| _glfw.hints.framebuffer.samples = hint; |
| break; |
| case GLFW_SRGB_CAPABLE: |
| _glfw.hints.framebuffer.sRGB = hint ? GL_TRUE : GL_FALSE; |
| break; |
| case GLFW_RESIZABLE: |
| _glfw.hints.window.resizable = hint ? GL_TRUE : GL_FALSE; |
| break; |
| case GLFW_DECORATED: |
| _glfw.hints.window.decorated = hint ? GL_TRUE : GL_FALSE; |
| break; |
| case GLFW_FOCUSED: |
| _glfw.hints.window.focused = hint ? GL_TRUE : GL_FALSE; |
| break; |
| case GLFW_AUTO_ICONIFY: |
| _glfw.hints.window.autoIconify = hint ? GL_TRUE : GL_FALSE; |
| break; |
| case GLFW_FLOATING: |
| _glfw.hints.window.floating = hint ? GL_TRUE : GL_FALSE; |
| break; |
| case GLFW_VISIBLE: |
| _glfw.hints.window.visible = hint ? GL_TRUE : GL_FALSE; |
| break; |
| case GLFW_CLIENT_API: |
| _glfw.hints.context.api = hint; |
| break; |
| case GLFW_CONTEXT_VERSION_MAJOR: |
| _glfw.hints.context.major = hint; |
| break; |
| case GLFW_CONTEXT_VERSION_MINOR: |
| _glfw.hints.context.minor = hint; |
| break; |
| case GLFW_CONTEXT_ROBUSTNESS: |
| _glfw.hints.context.robustness = hint; |
| break; |
| case GLFW_OPENGL_FORWARD_COMPAT: |
| _glfw.hints.context.forward = hint ? GL_TRUE : GL_FALSE; |
| break; |
| case GLFW_OPENGL_DEBUG_CONTEXT: |
| _glfw.hints.context.debug = hint ? GL_TRUE : GL_FALSE; |
| break; |
| case GLFW_OPENGL_PROFILE: |
| _glfw.hints.context.profile = hint; |
| break; |
| case GLFW_CONTEXT_RELEASE_BEHAVIOR: |
| _glfw.hints.context.release = hint; |
| break; |
| case GLFW_REFRESH_RATE: |
| _glfw.hints.refreshRate = hint; |
| break; |
| default: |
| _glfwInputError(GLFW_INVALID_ENUM, "Invalid window 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()) |
| _glfwPlatformMakeContextCurrent(NULL); |
| |
| // Clear the focused window pointer if this is the focused window |
| if (_glfw.cursorWindow == window) |
| _glfw.cursorWindow = 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; |
| _GLFW_REQUIRE_INIT_OR_RETURN(0); |
| return window->closed; |
| } |
| |
| GLFWAPI void glfwSetWindowShouldClose(GLFWwindow* handle, int value) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| _GLFW_REQUIRE_INIT(); |
| window->closed = value; |
| } |
| |
| GLFWAPI void glfwSetWindowTitle(GLFWwindow* handle, const char* title) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| _GLFW_REQUIRE_INIT(); |
| _glfwPlatformSetWindowTitle(window, title); |
| } |
| |
| GLFWAPI void glfwGetWindowPos(GLFWwindow* handle, int* xpos, int* ypos) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| |
| 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; |
| |
| _GLFW_REQUIRE_INIT(); |
| |
| if (window->monitor) |
| { |
| _glfwInputError(GLFW_INVALID_VALUE, |
| "Full screen windows cannot be moved"); |
| return; |
| } |
| |
| _glfwPlatformSetWindowPos(window, xpos, ypos); |
| } |
| |
| GLFWAPI void glfwGetWindowSize(GLFWwindow* handle, int* width, int* height) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| |
| 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; |
| |
| _GLFW_REQUIRE_INIT(); |
| |
| if (window->monitor) |
| { |
| window->videoMode.width = width; |
| window->videoMode.height = height; |
| } |
| |
| _glfwPlatformSetWindowSize(window, width, height); |
| } |
| |
| GLFWAPI void glfwGetFramebufferSize(GLFWwindow* handle, int* width, int* height) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| |
| 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; |
| |
| 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; |
| _GLFW_REQUIRE_INIT(); |
| _glfwPlatformIconifyWindow(window); |
| } |
| |
| GLFWAPI void glfwRestoreWindow(GLFWwindow* handle) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| _GLFW_REQUIRE_INIT(); |
| _glfwPlatformRestoreWindow(window); |
| } |
| |
| GLFWAPI void glfwShowWindow(GLFWwindow* handle) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| |
| _GLFW_REQUIRE_INIT(); |
| |
| if (window->monitor) |
| return; |
| |
| _glfwPlatformShowWindow(window); |
| } |
| |
| GLFWAPI void glfwHideWindow(GLFWwindow* handle) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| |
| _GLFW_REQUIRE_INIT(); |
| |
| if (window->monitor) |
| return; |
| |
| _glfwPlatformHideWindow(window); |
| } |
| |
| GLFWAPI int glfwGetWindowAttrib(GLFWwindow* handle, int attrib) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| |
| _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_RESIZABLE: |
| return window->resizable; |
| case GLFW_DECORATED: |
| return window->decorated; |
| case GLFW_FLOATING: |
| return window->floating; |
| case GLFW_CLIENT_API: |
| return window->context.api; |
| 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; |
| } |
| |
| _glfwInputError(GLFW_INVALID_ENUM, "Invalid window attribute"); |
| return 0; |
| } |
| |
| GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* handle) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| _GLFW_REQUIRE_INIT_OR_RETURN(NULL); |
| return (GLFWmonitor*) window->monitor; |
| } |
| |
| GLFWAPI void glfwSetWindowUserPointer(GLFWwindow* handle, void* pointer) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| _GLFW_REQUIRE_INIT(); |
| window->userPointer = pointer; |
| } |
| |
| GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* handle) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| _GLFW_REQUIRE_INIT_OR_RETURN(NULL); |
| return window->userPointer; |
| } |
| |
| GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* handle, |
| GLFWwindowposfun cbfun) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| _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; |
| _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; |
| _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; |
| _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; |
| _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; |
| _GLFW_REQUIRE_INIT_OR_RETURN(NULL); |
| _GLFW_SWAP_POINTERS(window->callbacks.iconify, cbfun); |
| return cbfun; |
| } |
| |
| GLFWAPI GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* handle, |
| GLFWframebuffersizefun cbfun) |
| { |
| _GLFWwindow* window = (_GLFWwindow*) handle; |
| _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 glfwPostEmptyEvent(void) |
| { |
| _GLFW_REQUIRE_INIT(); |
| |
| if (!_glfw.windowListHead) |
| return; |
| |
| _glfwPlatformPostEmptyEvent(); |
| } |
| |