From 3c207936bea0f160549ff8ba76ef0bbcb7e0ed81 Mon Sep 17 00:00:00 2001 From: Jose Fonseca Date: Sat, 7 Jun 2008 12:34:45 +0900 Subject: Fix CRLF line endings. --- src/glut/os2/glut_win.cpp | 2440 ++++++++++++++++++++++----------------------- 1 file changed, 1220 insertions(+), 1220 deletions(-) (limited to 'src/glut/os2/glut_win.cpp') diff --git a/src/glut/os2/glut_win.cpp b/src/glut/os2/glut_win.cpp index 82abba87e48..53ff5d5d953 100644 --- a/src/glut/os2/glut_win.cpp +++ b/src/glut/os2/glut_win.cpp @@ -1,1221 +1,1221 @@ - -/* Copyright (c) Mark J. Kilgard, 1994, 1997. */ - -/* This program is freely distributable without licensing fees - and is provided without guarantee or warrantee expressed or - implied. This program is -not- in the public domain. */ - -#ifdef __VMS -#include -#endif - -#include -#include -#include -#include -#if defined(__OS2__) -#define POKA 0 - #include "WarpGL.h" - #include "glutos2.h" - #include "glutint.h" - - #include "gl\os2mesa.h" - -// -//define for resource id for main GLUT window, in samples it is defined in GL_TEST.h - #define ID_WINDOW 256 - - int evglSetPixelFormat(int iPixelFormat); - HPS hpsCurrent; - -#elif !defined(_WIN32) - -#include -#include -#endif - -#include "glutint.h" - -GLUTwindow *__glutCurrentWindow = NULL; -GLUTwindow **__glutWindowList = NULL; -int __glutWindowListSize = 0; -#if !defined(_WIN32) && !defined(__OS2__) -GLUTstale *__glutStaleWindowList = NULL; -#endif -GLUTwindow *__glutMenuWindow = NULL; - -void (*__glutFreeOverlayFunc) (GLUToverlay *); -XVisualInfo *(*__glutDetermineVisualFromString) (char *string, Bool * treatAsSingle, - Criterion * requiredCriteria, int nRequired, int requiredMask, void** fbc) = NULL; - -static Criterion requiredWindowCriteria[] = -{ - {LEVEL, EQ, 0}, - {TRANSPARENT, EQ, 0} -}; -static int numRequiredWindowCriteria = sizeof(requiredWindowCriteria) / sizeof(Criterion); -static int requiredWindowCriteriaMask = (1 << LEVEL) | (1 << TRANSPARENT); - -static void -cleanWindowWorkList(GLUTwindow * window) -{ - GLUTwindow **pEntry = &__glutWindowWorkList; - GLUTwindow *entry = __glutWindowWorkList; - - /* Tranverse singly-linked window work list look for the - window. */ - while (entry) { - if (entry == window) { - /* Found it; delete it. */ - *pEntry = entry->prevWorkWin; - return; - } else { - pEntry = &entry->prevWorkWin; - entry = *pEntry; - } - } -} - -#if !defined(_WIN32) && !defined(__OS2PM__) - -static void -cleanStaleWindowList(GLUTwindow * window) -{ - GLUTstale **pEntry = &__glutStaleWindowList; - GLUTstale *entry = __glutStaleWindowList; - - /* Tranverse singly-linked stale window list look for the - window ID. */ - while (entry) { - if (entry->window == window) { - /* Found it; delete it. */ - *pEntry = entry->next; - free(entry); - return; - } else { - pEntry = &entry->next; - entry = *pEntry; - } - } -} - -#endif - -static GLUTwindow *__glutWindowCache = NULL; - -GLUTwindow * -__glutGetWindow(Window win) -{ - int i; - - /* Does win belong to the last window ID looked up? */ - if (__glutWindowCache && (win == __glutWindowCache->win || - (__glutWindowCache->overlay && win == - __glutWindowCache->overlay->win))) { - return - __glutWindowCache; - } - /* Otherwise scan the window list looking for the window ID. */ - for (i = 0; i < __glutWindowListSize; i++) { - if (__glutWindowList[i]) { - if (win == __glutWindowList[i]->win) { - __glutWindowCache = __glutWindowList[i]; - return __glutWindowCache; - } - if (__glutWindowList[i]->overlay) { - if (win == __glutWindowList[i]->overlay->win) { - __glutWindowCache = __glutWindowList[i]; - return __glutWindowCache; - } - } - } - } -#if !defined(_WIN32) && !defined(__OS2PM__) - { - GLUTstale *entry; - - /* Scan through destroyed overlay window IDs for which no - DestroyNotify has yet been received. */ - for (entry = __glutStaleWindowList; entry; entry = entry->next) { - if (entry->win == win) - return entry->window; - } - } -#endif - return NULL; -} - -/* CENTRY */ -int GLUTAPIENTRY -glutGetWindow(void) -{ - if (__glutCurrentWindow) { - return __glutCurrentWindow->num + 1; - } else { - return 0; - } -} -/* ENDCENTRY */ - -void -__glutSetWindow(GLUTwindow * window) -{ - /* It is tempting to try to short-circuit the call to - glXMakeCurrent if we "know" we are going to make current - to a window we are already current to. In fact, this - assumption breaks when GLUT is expected to integrated with - other OpenGL windowing APIs that also make current to - OpenGL contexts. Since glXMakeCurrent short-circuits the - "already bound" case, GLUT avoids the temptation to do so - too. */ - __glutCurrentWindow = window; - - MAKE_CURRENT_LAYER(__glutCurrentWindow); - -#if !defined(_WIN32) && !defined(__OS2__) - /* We should be careful to force a finish between each - iteration through the GLUT main loop if indirect OpenGL - contexts are in use; indirect contexts tend to have much - longer latency because lots of OpenGL extension requests - can queue up in the X protocol stream. We accomplish this - by posting GLUT_FINISH_WORK to be done. */ - if (!__glutCurrentWindow->isDirect) - __glutPutOnWorkList(__glutCurrentWindow, GLUT_FINISH_WORK); -#endif - - /* If debugging is enabled, we'll want to check this window - for any OpenGL errors every iteration through the GLUT - main loop. To accomplish this, we post the - GLUT_DEBUG_WORK to be done on this window. */ - if (__glutDebug) { - __glutPutOnWorkList(__glutCurrentWindow, GLUT_DEBUG_WORK); - } -} - -/* CENTRY */ -void GLUTAPIENTRY -glutSetWindow(int win) -{ - GLUTwindow *window; - - if (win < 1 || win > __glutWindowListSize) { - __glutWarning("glutSetWindow attempted on bogus window."); - return; - } - window = __glutWindowList[win - 1]; - if (!window) { - __glutWarning("glutSetWindow attempted on bogus window."); - return; - } - __glutSetWindow(window); -} -/* ENDCENTRY */ - -static int -getUnusedWindowSlot(void) -{ - int i; - - /* Look for allocated, unused slot. */ - for (i = 0; i < __glutWindowListSize; i++) { - if (!__glutWindowList[i]) { - return i; - } - } - /* Allocate a new slot. */ - __glutWindowListSize++; - if (__glutWindowList) { - __glutWindowList = (GLUTwindow **) - realloc(__glutWindowList, - __glutWindowListSize * sizeof(GLUTwindow *)); - } else { - /* XXX Some realloc's do not correctly perform a malloc - when asked to perform a realloc on a NULL pointer, - though the ANSI C library spec requires this. */ - __glutWindowList = (GLUTwindow **) - malloc(sizeof(GLUTwindow *)); - } - if (!__glutWindowList) - __glutFatalError("out of memory."); - __glutWindowList[__glutWindowListSize - 1] = NULL; - return __glutWindowListSize - 1; -} - -static XVisualInfo * -getVisualInfoCI(unsigned int mode) -{ -#if POKA - static int bufSizeList[] = - {16, 12, 8, 4, 2, 1, 0}; - XVisualInfo *vi; - int list[32]; - int i, n = 0; - - /* Should not be looking at display mode mask if - __glutDisplayString is non-NULL. */ - assert(!__glutDisplayString); - - list[n++] = GLX_BUFFER_SIZE; - list[n++] = 1; - if (GLUT_WIND_IS_DOUBLE(mode)) { - list[n++] = GLX_DOUBLEBUFFER; - } - if (GLUT_WIND_IS_STEREO(mode)) { - list[n++] = GLX_STEREO; - } - if (GLUT_WIND_HAS_DEPTH(mode)) { - list[n++] = GLX_DEPTH_SIZE; - list[n++] = 1; - } - if (GLUT_WIND_HAS_STENCIL(mode)) { - list[n++] = GLX_STENCIL_SIZE; - list[n++] = 1; - } - list[n] = (int) None; /* terminate list */ - - /* glXChooseVisual specify GLX_BUFFER_SIZE prefers the - "smallest index buffer of at least the specified size". - This would be reasonable if GLUT allowed the user to - specify the required buffe size, but GLUT's display mode - is too simplistic (easy to use?). GLUT should try to find - the "largest". So start with a large buffer size and - shrink until we find a matching one that exists. */ - - for (i = 0; bufSizeList[i]; i++) { - /* XXX Assumes list[1] is where GLX_BUFFER_SIZE parameter - is. */ - list[1] = bufSizeList[i]; - vi = glXChooseVisual(__glutDisplay, - __glutScreen, list); - if (vi) - return vi; - } - return NULL; -#else - return - glXChooseVisual(mode); - -#endif -} - -static XVisualInfo * -getVisualInfoRGB(unsigned int mode) -{ -#if POKA - int list[32]; - int n = 0; - - /* Should not be looking at display mode mask if - __glutDisplayString is non-NULL. */ - assert(!__glutDisplayString); - - /* XXX Would a caching mechanism to minize the calls to - glXChooseVisual? You'd have to reference count - XVisualInfo* pointers. Would also have to properly - interact with glutInitDisplayString. */ - - list[n++] = GLX_RGBA; - list[n++] = GLX_RED_SIZE; - list[n++] = 1; - list[n++] = GLX_GREEN_SIZE; - list[n++] = 1; - list[n++] = GLX_BLUE_SIZE; - list[n++] = 1; - if (GLUT_WIND_HAS_ALPHA(mode)) { - list[n++] = GLX_ALPHA_SIZE; - list[n++] = 1; - } - if (GLUT_WIND_IS_DOUBLE(mode)) { - list[n++] = GLX_DOUBLEBUFFER; - } - if (GLUT_WIND_IS_STEREO(mode)) { - list[n++] = GLX_STEREO; - } - if (GLUT_WIND_HAS_DEPTH(mode)) { - list[n++] = GLX_DEPTH_SIZE; - list[n++] = 1; - } - if (GLUT_WIND_HAS_STENCIL(mode)) { - list[n++] = GLX_STENCIL_SIZE; - list[n++] = 1; - } - if (GLUT_WIND_HAS_ACCUM(mode)) { - list[n++] = GLX_ACCUM_RED_SIZE; - list[n++] = 1; - list[n++] = GLX_ACCUM_GREEN_SIZE; - list[n++] = 1; - list[n++] = GLX_ACCUM_BLUE_SIZE; - list[n++] = 1; - if (GLUT_WIND_HAS_ALPHA(mode)) { - list[n++] = GLX_ACCUM_ALPHA_SIZE; - list[n++] = 1; - } - } -#if defined(GLX_VERSION_1_1) && (defined(GLX_SGIS_multisample) || defined(GLX_ARB_multisample)) - if (GLUT_WIND_IS_MULTISAMPLE(mode)) { - if (!__glutIsSupportedByGLX("GLX_SGIS_multisample") && - !__glutIsSupportedByGLX("GLX_ARB_multisample")) - return NULL; -#if defined(GLX_ARB_multisample) - list[n++] = GLX_SAMPLES_ARB; -#elif defined(GLX_SGIS_multisample) - list[n++] = GLX_SAMPLES_SGIS; -#endif - /* XXX Is 4 a reasonable minimum acceptable number of - samples? */ - list[n++] = 4; - } -#endif - list[n] = (int) None; /* terminate list */ - - return glXChooseVisual(__glutDisplay, - __glutScreen, list); -#else /* POKA */ - - return - glXChooseVisual(mode); - -#endif -} - -XVisualInfo * -__glutGetVisualInfo(unsigned int mode) -{ - /* XXX GLUT_LUMINANCE not implemented for GLUT 3.0. */ - if (GLUT_WIND_IS_LUMINANCE(mode)) - return NULL; - - if (GLUT_WIND_IS_RGB(mode)) - return getVisualInfoRGB(mode); - else - return getVisualInfoCI(mode); -} - -XVisualInfo * -__glutDetermineVisual( - unsigned int displayMode, - Bool * treatAsSingle, - XVisualInfo * (getVisualInfo) (unsigned int)) -{ - XVisualInfo *vis; - - /* Should not be looking at display mode mask if - __glutDisplayString is non-NULL. */ - assert(!__glutDisplayString); - - *treatAsSingle = GLUT_WIND_IS_SINGLE(displayMode); - vis = getVisualInfo(displayMode); - if (!vis) { - /* Fallback cases when can't get exactly what was asked - for... */ - if (GLUT_WIND_IS_SINGLE(displayMode)) { - /* If we can't find a single buffered visual, try looking - for a double buffered visual. We can treat a double - buffered visual as a single buffer visual by changing - the draw buffer to GL_FRONT and treating any swap - buffers as no-ops. */ - displayMode |= GLUT_DOUBLE; - vis = getVisualInfo(displayMode); - *treatAsSingle = True; - } - if (!vis && GLUT_WIND_IS_MULTISAMPLE(displayMode)) { - /* If we can't seem to get multisampling (ie, not Reality - Engine class graphics!), go without multisampling. It - is up to the application to query how many multisamples - were allocated (0 equals no multisampling) if the - application is going to use multisampling for more than - just antialiasing. */ - displayMode &= ~GLUT_MULTISAMPLE; - vis = getVisualInfo(displayMode); - } - } - return vis; -} - -static void GLUTCALLBACK -__glutDefaultDisplay(void) -{ - /* XXX Remove the warning after GLUT 3.0. */ - __glutWarning("The following is a new check for GLUT 3.0; update your code."); - __glutFatalError( - "redisplay needed for window %d, but no display callback.", - __glutCurrentWindow->num + 1); -} - -void GLUTCALLBACK -__glutDefaultReshape(int width, int height) -{ - GLUToverlay *overlay; - - /* Adjust the viewport of the window (and overlay if one - exists). */ - MAKE_CURRENT_WINDOW(__glutCurrentWindow); - glViewport(0, 0, (GLsizei) width, (GLsizei) height); - overlay = __glutCurrentWindow->overlay; - if (overlay) { - MAKE_CURRENT_OVERLAY(overlay); - glViewport(0, 0, (GLsizei) width, (GLsizei) height); - } - /* Make sure we are current to the current layer (application - should be able to count on the current layer not changing - unless the application explicitly calls glutUseLayer). */ - MAKE_CURRENT_LAYER(__glutCurrentWindow); -} - -XVisualInfo * -__glutDetermineWindowVisual(Bool * treatAsSingle, Bool * visAlloced, void **fbc) -{ - if (__glutDisplayString) { - - /* __glutDisplayString should be NULL except if - glutInitDisplayString has been called to register a - different display string. Calling glutInitDisplayString - means using a string instead of an integer mask determine - the visual to use. Using the function pointer variable - __glutDetermineVisualFromString below avoids linking in - the code for implementing glutInitDisplayString (ie, - glut_dstr.o) unless glutInitDisplayString gets called by - the application. */ - - assert(__glutDetermineVisualFromString); - *visAlloced = False; - *fbc = NULL; - return __glutDetermineVisualFromString(__glutDisplayString, treatAsSingle, - requiredWindowCriteria, numRequiredWindowCriteria, requiredWindowCriteriaMask, fbc); - } else { - *visAlloced = True; - *fbc = NULL; - return __glutDetermineVisual(__glutDisplayMode, - treatAsSingle, __glutGetVisualInfo); - } -} - -/* ARGSUSED5 */ /* Only Win32 uses gameMode parameter. */ -GLUTwindow * -__glutCreateWindow(GLUTwindow * parent, - int x, int y, int width, int height, int gameMode) -{ - GLUTwindow *window; - XSetWindowAttributes wa; - unsigned long attribMask; - int winnum; - int i; -#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig) - GLXFBConfigSGIX fbc; -#else - void *fbc; -#endif - -#if defined(__OS2PM__) - { - extern HAB hab; /* PM anchor block handle */ - CLASSINFO classinfo; - - if(!WinQueryClassInfo(hab,"GLUT", &classinfo) ) - __glutOpenOS2Connection(NULL); - } -#elif defined(_WIN32) - WNDCLASS wc; - int style; - - if (!GetClassInfo(GetModuleHandle(NULL), "GLUT", &wc)) { - __glutOpenWin32Connection(NULL); - } -#else - if (!__glutDisplay) { - __glutOpenXConnection(NULL); - } -#endif - -#ifndef __OS2PM__ - if (__glutGameModeWindow) { - __glutFatalError("cannot create windows in game mode."); - } -#endif - - winnum = getUnusedWindowSlot(); - window = (GLUTwindow *) malloc(sizeof(GLUTwindow)); - if (!window) { - __glutFatalError("out of memory."); - } - window->num = winnum; - -#if defined(__OS2PM__) - /* Add this new window to the window list. */ - __glutWindowList[winnum] = window; - window->shownState = -1; -#endif - -#if !defined(_WIN32) && !defined(__OS2PM__) - window->vis = __glutDetermineWindowVisual(&window->treatAsSingle, - &window->visAlloced, (void**) &fbc); - if (!window->vis) { - __glutFatalError( - "visual with necessary capabilities not found."); - } - __glutSetupColormap(window->vis, &window->colormap, &window->cmap); -#endif - window->eventMask = StructureNotifyMask | ExposureMask; - - attribMask = CWBackPixmap | CWBorderPixel | CWColormap | CWEventMask; - wa.background_pixmap = None; - wa.border_pixel = 0; - wa.colormap = window->cmap; - wa.event_mask = window->eventMask; - if (parent) { - if (parent->eventMask & GLUT_HACK_STOP_PROPAGATE_MASK) - wa.event_mask |= GLUT_HACK_STOP_PROPAGATE_MASK; - attribMask |= CWDontPropagate; - wa.do_not_propagate_mask = parent->eventMask & GLUT_DONT_PROPAGATE_FILTER_MASK; - } else { - wa.do_not_propagate_mask = 0; - } - - /* Stash width and height before Win32's __glutAdjustCoords - possibly overwrites the values. */ - window->width = width; - window->height = height; - window->forceReshape = True; - window->ignoreKeyRepeat = False; - -#if defined(__OS2PM__) - - { ULONG flStyle=0; - int ii; - ERRORID erridErrorCode;/* last error id code */ - extern HAB hab; /* PM anchor block handle */ - - if (parent) { - flStyle = WS_CLIPCHILDREN|WS_VISIBLE; - } else { - if (gameMode) { - /* Game mode window should be a WS_POPUP window to - ensure that the taskbar is hidden by it. A standard - WS_OVERLAPPEDWINDOW does not hide the task bar. */ - flStyle = FCF_STANDARD | WS_MAXIMIZED; - } else { - /* A standard toplevel window with borders and such. */ - flStyle = FCF_STANDARD | WS_CLIPCHILDREN; -// flStyle = WS_OVERLAPPEDWINDOW; - } - } -{ - HWND hwnd; /* Window */ - ULONG ListBoxId; /* Window id */ - /* (supplied by application) */ - - - HWND hwndClient; /* handle to the client */ - HWND hwndFrame; /* handle to the frame */ - PFNWP GenericWndProc; - FRAMECDATA fcd; - RECTL rect; /* Boundary rectangle */ - - - -/************************************************/ -// flCreate = (FCF_STANDARD) & ~FCF_TASKLIST; -/**********************************/ - if (parent) - { window->frame = NULL; - - hwnd = WinCreateWindow(parent->win, /* Parent window */ - "GLUTCHILD", /* Class name */ - "", /* Window text */ - flStyle, /* Window style */ - x, y, /* Position (x,y) */ - width, height, /* Size (width,height) */ - parent->win, /* Owner window */ - HWND_TOP, /* Sibling window */ - 0, /* Window id */ - NULL, /* Control data */ - NULL); /* Pres parameters */ - - erridErrorCode = WinGetLastError(hab); - window->win = hwnd; - - window->hdc = WinOpenWindowDC(window->win); - window->hpsBuffer = hpsCurrent; - - - rect.xLeft = x; - rect.xRight = x+width; - rect.yBottom = y; - rect.yTop = y + height; - -/***** else parent *****************************/ - } else { - hwnd = WinCreateStdWindow(HWND_DESKTOP, - 0, /* WS_VISIBLE frame-window style */ - &flStyle, /* window style */ - "GLUT", /* class name */ - "GLUT",/* window title */ - 0L, /* default client style */ - NULLHANDLE, /* resource in executable file */ - ID_WINDOW, /* resource id */ - &hwndClient); /* receives client window handle */ - - erridErrorCode = WinGetLastError(hab); - window->win = hwndClient; - window->frame = hwnd; - window->hdc = WinOpenWindowDC(window->win); - - window->hpsBuffer = hpsCurrent; - - -/* converts a client window's boundaries into an equivalent frame rectangle */ - rect.xLeft = x; - rect.xRight = x+width; - rect.yBottom = y; - rect.yTop = y + height; - - /* calculate equivalent frame boundary from boundary data */ - WinCalcFrameRect(window->frame, &rect, FALSE); - } -/***** endof if(parent) *****************************/ - - /* Must set the XHDC for fake glXChooseVisual & fake - glXCreateContext & fake XAllocColorCells. */ - XHDC = window->hdc; - XHWND = window->win; - window->vis = __glutDetermineWindowVisual(&window->treatAsSingle, - &window->visAlloced, &fbc); - if (!window->vis) - { __glutFatalError( - "pixel format with necessary capabilities not found."); - } - { int rc; - rc = wglChoosePixelFormat(window->hdc, window->vis), - -// evglSetPixelFormat(2); /* int iPixelFormat 1 - doublebuffer/2 - single buffer ??*/ - wglSetPixelFormat(window->hdc,rc,window->vis); - } - __glutSetupColormap(window->vis, &window->colormap, &window->cmap); - - window->ctx = glXCreateContext(window->hpsBuffer, window->vis, - None, __glutTryDirect); - - WinSetWindowPos(hwnd, - HWND_TOP,rect.xLeft,rect.yBottom, - rect.xRight-rect.xLeft, rect.yTop-rect.yBottom, - SWP_ACTIVATE | SWP_MOVE | SWP_SIZE | SWP_SHOW|SWP_ZORDER); /* flags*/ - - /* Make sure subwindows get a windowStatus callback. */ - if (parent) - WinPostMsg(parent->win, WM_ACTIVATE, 0, 0); - - } -} - -#elif defined(_WIN32) - - __glutAdjustCoords(parent ? parent->win : NULL, - &x, &y, &width, &height); - if (parent) { - style = WS_CHILD; - } else { - if (gameMode) { - /* Game mode window should be a WS_POPUP window to - ensure that the taskbar is hidden by it. A standard - WS_OVERLAPPEDWINDOW does not hide the task bar. */ - style = WS_POPUP | WS_MAXIMIZE; - } else { - /* A standard toplevel window with borders and such. */ - style = WS_OVERLAPPEDWINDOW; - } - } - window->win = CreateWindow("GLUT", "GLUT", - WS_CLIPSIBLINGS | WS_CLIPCHILDREN | style, - x, y, width, height, parent ? parent->win : __glutRoot, - NULL, GetModuleHandle(NULL), 0); - window->hdc = GetDC(window->win); - /* Must set the XHDC for fake glXChooseVisual & fake - glXCreateContext & fake XAllocColorCells. */ - XHDC = window->hdc; - window->vis = __glutDetermineWindowVisual(&window->treatAsSingle, - &window->visAlloced, &fbc); - if (!window->vis) { - __glutFatalError( - "pixel format with necessary capabilities not found."); - } - if (!SetPixelFormat(window->hdc, - ChoosePixelFormat(window->hdc, window->vis), - window->vis)) { - __glutFatalError("SetPixelFormat failed during window create."); - } - __glutSetupColormap(window->vis, &window->colormap, &window->cmap); - /* Make sure subwindows get a windowStatus callback. */ - if (parent) { - PostMessage(parent->win, WM_ACTIVATE, 0, 0); - } - window->renderDc = window->hdc; -#else - window->win = XCreateWindow(__glutDisplay, - parent == NULL ? __glutRoot : parent->win, - x, y, width, height, 0, - window->vis->depth, InputOutput, window->vis->visual, - attribMask, &wa); -#endif - window->renderWin = window->win; -#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig) - if (fbc) { - window->ctx = __glut_glXCreateContextWithConfigSGIX(__glutDisplay, fbc, - GLX_RGBA_TYPE_SGIX, None, __glutTryDirect); - } else -#endif -#if defined(__OS2PM__) -// window->ctx = glXCreateContext(window->hpsBuffer, window->vis, -// None, __glutTryDirect); -#else - window->ctx = glXCreateContext(__glutDisplay, window->vis, - None, __glutTryDirect); -#endif - if (!window->ctx) { - __glutFatalError( - "failed to create OpenGL rendering context."); - } - window->renderCtx = window->ctx; -#if !defined(_WIN32) && !defined(__OS2PM__) - window->isDirect = glXIsDirect(__glutDisplay, window->ctx); - if (__glutForceDirect) { - if (!window->isDirect) - __glutFatalError("direct rendering not possible."); - } -#endif - - window->parent = parent; - if (parent) { - window->siblings = parent->children; - parent->children = window; - } else { - window->siblings = NULL; - } - window->overlay = NULL; - window->children = NULL; - window->display = __glutDefaultDisplay; - window->reshape = __glutDefaultReshape; - window->mouse = NULL; - window->motion = NULL; - window->passive = NULL; - window->entry = NULL; - window->keyboard = NULL; - window->keyboardUp = NULL; - window->windowStatus = NULL; - window->visibility = NULL; - window->special = NULL; - window->specialUp = NULL; - window->buttonBox = NULL; - window->dials = NULL; - window->spaceMotion = NULL; - window->spaceRotate = NULL; - window->spaceButton = NULL; - window->tabletMotion = NULL; - window->tabletButton = NULL; -#ifdef _WIN32 - window->joystick = NULL; - window->joyPollInterval = 0; -#endif - -#if defined(__OS2PM__) - window->wm_command = NULL; -#endif - - window->tabletPos[0] = -1; - window->tabletPos[1] = -1; -#if defined(__OS2PM__) - if(window->shownState == -1) - window->shownState = 0; - window->visState = window->shownState; -#else - window->shownState = 0; - window->visState = -1; /* not VisibilityUnobscured, - VisibilityPartiallyObscured, or - VisibilityFullyObscured */ -#endif - window->entryState = -1; /* not EnterNotify or LeaveNotify */ - - window->desiredConfMask = 0; - window->buttonUses = 0; - window->cursor = GLUT_CURSOR_INHERIT; - - /* Setup window to be mapped when glutMainLoop starts. */ - window->workMask = GLUT_MAP_WORK; -#ifdef _WIN32 - if (gameMode) { - /* When mapping a game mode window, just show - the window. We have already created the game - mode window with a maximize flag at creation - time. Doing a ShowWindow(window->win, SW_SHOWNORMAL) - would be wrong for a game mode window since it - would unmaximize the window. */ - window->desiredMapState = GameModeState; - } else { - window->desiredMapState = NormalState; - } -#else - window->desiredMapState = NormalState; -#endif - window->prevWorkWin = __glutWindowWorkList; - __glutWindowWorkList = window; - - /* Initially, no menus attached. */ - for (i = 0; i < GLUT_MAX_MENUS; i++) { - window->menu[i] = 0; - } - - /* Add this new window to the window list. */ - __glutWindowList[winnum] = window; - - /* Make the new window the current window. */ - __glutSetWindow(window); - - __glutDetermineMesaSwapHackSupport(); - - if (window->treatAsSingle) { - /* We do this because either the window really is single - buffered (in which case this is redundant, but harmless, - because this is the initial single-buffered context - state); or we are treating a double buffered window as a - single-buffered window because the system does not appear - to export any suitable single- buffered visuals (in which - the following are necessary). */ - glDrawBuffer(GL_FRONT); - glReadBuffer(GL_FRONT); - } - return window; -} - -/* CENTRY */ -int GLUTAPIENTRY -glutCreateWindow(const char *title) -{ - static int firstWindow = 1; - GLUTwindow *window; -#if !defined(_WIN32) && !defined(__OS2__) - XWMHints *wmHints; -#endif - Window win; - XTextProperty textprop; - - if (__glutGameModeWindow) { - __glutFatalError("cannot create windows in game mode."); - } - window = __glutCreateWindow(NULL, - __glutSizeHints.x, __glutSizeHints.y, - __glutInitWidth, __glutInitHeight, - /* not game mode */ 0); - win = window->win; - /* Setup ICCCM properties. */ - textprop.value = (unsigned char *) title; - textprop.encoding = XA_STRING; - textprop.format = 8; - textprop.nitems = strlen(title); -#if defined(__OS2__) - WinSetWindowText(window->frame, (PCSZ)title); - if (__glutIconic) { - window->desiredMapState = IconicState; - } -#elif defined(_WIN32) - SetWindowText(win, title); - if (__glutIconic) { - window->desiredMapState = IconicState; - } -#else - wmHints = XAllocWMHints(); - wmHints->initial_state = - __glutIconic ? IconicState : NormalState; - wmHints->flags = StateHint; - XSetWMProperties(__glutDisplay, win, &textprop, &textprop, - /* Only put WM_COMMAND property on first window. */ - firstWindow ? __glutArgv : NULL, - firstWindow ? __glutArgc : 0, - &__glutSizeHints, wmHints, NULL); - XFree(wmHints); - XSetWMProtocols(__glutDisplay, win, &__glutWMDeleteWindow, 1); -#endif - firstWindow = 0; - return window->num + 1; -} - -#ifdef _WIN32 -int GLUTAPIENTRY -__glutCreateWindowWithExit(const char *title, void (__cdecl *exitfunc)(int)) -{ - __glutExitFunc = exitfunc; - return glutCreateWindow(title); -} -#endif - -int GLUTAPIENTRY -glutCreateSubWindow(int win, int x, int y, int width, int height) -{ - GLUTwindow *window; - - window = __glutCreateWindow(__glutWindowList[win - 1], - x, y, width, height, /* not game mode */ 0); -#if !defined(_WIN32) && !defined(__OS2__) - { - GLUTwindow *toplevel; - - toplevel = __glutToplevelOf(window); - if (toplevel->cmap != window->cmap) { - __glutPutOnWorkList(toplevel, GLUT_COLORMAP_WORK); - } - } -#endif - return window->num + 1; -} -/* ENDCENTRY */ - -void -__glutDestroyWindow(GLUTwindow * window, - GLUTwindow * initialWindow) -{ - GLUTwindow **prev, *cur, *parent, *siblings; - - /* Recursively destroy any children. */ - cur = window->children; - while (cur) { - siblings = cur->siblings; - __glutDestroyWindow(cur, initialWindow); - cur = siblings; - } - /* Remove from parent's children list (only necessary for - non-initial windows and subwindows!). */ - parent = window->parent; - if (parent && parent == initialWindow->parent) { - prev = &parent->children; - cur = parent->children; - while (cur) { - if (cur == window) { - *prev = cur->siblings; - break; - } - prev = &(cur->siblings); - cur = cur->siblings; - } - } - /* Unbind if bound to this window. */ - if (window == __glutCurrentWindow) { - UNMAKE_CURRENT(); - __glutCurrentWindow = NULL; - } - /* Begin tearing down window itself. */ - if (window->overlay) { - __glutFreeOverlayFunc(window->overlay); - } - XDestroyWindow(__glutDisplay, window->win); - glXDestroyContext(__glutDisplay, window->ctx); - if (window->colormap) { - /* Only color index windows have colormap data structure. */ - __glutFreeColormap(window->colormap); - } - /* NULLing the __glutWindowList helps detect is a window - instance has been destroyed, given a window number. */ - __glutWindowList[window->num] = NULL; - - /* Cleanup data structures that might contain window. */ - cleanWindowWorkList(window); -#if !defined(_WIN32) && !defined(__OS2__) - cleanStaleWindowList(window); -#endif - /* Remove window from the "get window cache" if it is there. */ - if (__glutWindowCache == window) - __glutWindowCache = NULL; - - if (window->visAlloced) { - /* Only free XVisualInfo* gotten from glXChooseVisual. */ - XFree(window->vis); - } - - if (window == __glutGameModeWindow) { - /* Destroying the game mode window should implicitly - have GLUT leave game mode. */ - __glutCloseDownGameMode(); - } - - free(window); -} - -/* CENTRY */ -void GLUTAPIENTRY -glutDestroyWindow(int win) -{ - GLUTwindow *window = __glutWindowList[win - 1]; - - if (__glutMappedMenu && __glutMenuWindow == window) { - __glutFatalUsage("destroying menu window not allowed while menus in use"); - } -#if !defined(_WIN32) && !defined(__OS2__) - /* If not a toplevel window... */ - if (window->parent) { - /* Destroying subwindows may change colormap requirements; - recalculate toplevel window's WM_COLORMAP_WINDOWS - property. */ - __glutPutOnWorkList(__glutToplevelOf(window->parent), - GLUT_COLORMAP_WORK); - } -#endif - __glutDestroyWindow(window, window); - XFlush(__glutDisplay); -} -/* ENDCENTRY */ - -void -__glutChangeWindowEventMask(long eventMask, Bool add) -{ - if (add) { - /* Add eventMask to window's event mask. */ - if ((__glutCurrentWindow->eventMask & eventMask) != - eventMask) { - __glutCurrentWindow->eventMask |= eventMask; - __glutPutOnWorkList(__glutCurrentWindow, - GLUT_EVENT_MASK_WORK); - } - } else { - /* Remove eventMask from window's event mask. */ - if (__glutCurrentWindow->eventMask & eventMask) { - __glutCurrentWindow->eventMask &= ~eventMask; - __glutPutOnWorkList(__glutCurrentWindow, - GLUT_EVENT_MASK_WORK); - } - } -} - -void GLUTAPIENTRY -glutDisplayFunc(GLUTdisplayCB displayFunc) -{ - /* XXX Remove the warning after GLUT 3.0. */ - if (!displayFunc) - __glutFatalError("NULL display callback not allowed in GLUT 3.0; update your code."); - __glutCurrentWindow->display = displayFunc; -} - -void GLUTAPIENTRY -glutMouseFunc(GLUTmouseCB mouseFunc) -{ - if (__glutCurrentWindow->mouse) { - if (!mouseFunc) { - /* Previous mouseFunc being disabled. */ - __glutCurrentWindow->buttonUses--; - __glutChangeWindowEventMask( - ButtonPressMask | ButtonReleaseMask, - __glutCurrentWindow->buttonUses > 0); - } - } else { - if (mouseFunc) { - /* Previously no mouseFunc, new one being installed. */ - __glutCurrentWindow->buttonUses++; - __glutChangeWindowEventMask( - ButtonPressMask | ButtonReleaseMask, True); - } - } - __glutCurrentWindow->mouse = mouseFunc; -} - -void GLUTAPIENTRY -glutMotionFunc(GLUTmotionCB motionFunc) -{ - /* Hack. Some window managers (4Dwm by default) will mask - motion events if the client is not selecting for button - press and release events. So we select for press and - release events too (being careful to use reference - counting). */ - if (__glutCurrentWindow->motion) { - if (!motionFunc) { - /* previous mouseFunc being disabled */ - __glutCurrentWindow->buttonUses--; - __glutChangeWindowEventMask( - ButtonPressMask | ButtonReleaseMask, - __glutCurrentWindow->buttonUses > 0); - } - } else { - if (motionFunc) { - /* Previously no mouseFunc, new one being installed. */ - __glutCurrentWindow->buttonUses++; - __glutChangeWindowEventMask( - ButtonPressMask | ButtonReleaseMask, True); - } - } - /* Real work of selecting for passive mouse motion. */ - __glutChangeWindowEventMask( - Button1MotionMask | Button2MotionMask | Button3MotionMask, - motionFunc != NULL); - __glutCurrentWindow->motion = motionFunc; -} - -void GLUTAPIENTRY -glutPassiveMotionFunc(GLUTpassiveCB passiveMotionFunc) -{ - __glutChangeWindowEventMask(PointerMotionMask, - passiveMotionFunc != NULL); - - /* Passive motion also requires watching enters and leaves so - that a fake passive motion event can be generated on an - enter. */ - __glutChangeWindowEventMask(EnterWindowMask | LeaveWindowMask, - __glutCurrentWindow->entry != NULL || passiveMotionFunc != NULL); - - __glutCurrentWindow->passive = passiveMotionFunc; -} - -void GLUTAPIENTRY -glutEntryFunc(GLUTentryCB entryFunc) -{ - __glutChangeWindowEventMask(EnterWindowMask | LeaveWindowMask, - entryFunc != NULL || __glutCurrentWindow->passive); - __glutCurrentWindow->entry = entryFunc; - if (!entryFunc) { - __glutCurrentWindow->entryState = -1; - } -} - -void GLUTAPIENTRY -glutWindowStatusFunc(GLUTwindowStatusCB windowStatusFunc) -{ - __glutChangeWindowEventMask(VisibilityChangeMask, - windowStatusFunc != NULL); - __glutCurrentWindow->windowStatus = windowStatusFunc; - if (!windowStatusFunc) { - /* Make state invalid. */ - __glutCurrentWindow->visState = -1; - } -} - -static void GLUTCALLBACK -visibilityHelper(int status) -{ - if (status == GLUT_HIDDEN || status == GLUT_FULLY_COVERED) - __glutCurrentWindow->visibility(GLUT_NOT_VISIBLE); - else - __glutCurrentWindow->visibility(GLUT_VISIBLE); -} - - -void GLUTAPIENTRY -glutVisibilityFunc(GLUTvisibilityCB visibilityFunc) -{ - __glutCurrentWindow->visibility = visibilityFunc; - - if (visibilityFunc) - { glutWindowStatusFunc(visibilityHelper); -#if defined(__OS2PM__) - if(__glutCurrentWindow->shownState >= 0) - { visibilityHelper(__glutCurrentWindow->shownState); - } -#endif - } - else - glutWindowStatusFunc(NULL); -} - -void GLUTAPIENTRY -glutReshapeFunc(GLUTreshapeCB reshapeFunc) -{ - if (reshapeFunc) { - __glutCurrentWindow->reshape = reshapeFunc; - } else { - __glutCurrentWindow->reshape = __glutDefaultReshape; - } -} + +/* Copyright (c) Mark J. Kilgard, 1994, 1997. */ + +/* This program is freely distributable without licensing fees + and is provided without guarantee or warrantee expressed or + implied. This program is -not- in the public domain. */ + +#ifdef __VMS +#include +#endif + +#include +#include +#include +#include +#if defined(__OS2__) +#define POKA 0 + #include "WarpGL.h" + #include "glutos2.h" + #include "glutint.h" + + #include "gl\os2mesa.h" + +// +//define for resource id for main GLUT window, in samples it is defined in GL_TEST.h + #define ID_WINDOW 256 + + int evglSetPixelFormat(int iPixelFormat); + HPS hpsCurrent; + +#elif !defined(_WIN32) + +#include +#include +#endif + +#include "glutint.h" + +GLUTwindow *__glutCurrentWindow = NULL; +GLUTwindow **__glutWindowList = NULL; +int __glutWindowListSize = 0; +#if !defined(_WIN32) && !defined(__OS2__) +GLUTstale *__glutStaleWindowList = NULL; +#endif +GLUTwindow *__glutMenuWindow = NULL; + +void (*__glutFreeOverlayFunc) (GLUToverlay *); +XVisualInfo *(*__glutDetermineVisualFromString) (char *string, Bool * treatAsSingle, + Criterion * requiredCriteria, int nRequired, int requiredMask, void** fbc) = NULL; + +static Criterion requiredWindowCriteria[] = +{ + {LEVEL, EQ, 0}, + {TRANSPARENT, EQ, 0} +}; +static int numRequiredWindowCriteria = sizeof(requiredWindowCriteria) / sizeof(Criterion); +static int requiredWindowCriteriaMask = (1 << LEVEL) | (1 << TRANSPARENT); + +static void +cleanWindowWorkList(GLUTwindow * window) +{ + GLUTwindow **pEntry = &__glutWindowWorkList; + GLUTwindow *entry = __glutWindowWorkList; + + /* Tranverse singly-linked window work list look for the + window. */ + while (entry) { + if (entry == window) { + /* Found it; delete it. */ + *pEntry = entry->prevWorkWin; + return; + } else { + pEntry = &entry->prevWorkWin; + entry = *pEntry; + } + } +} + +#if !defined(_WIN32) && !defined(__OS2PM__) + +static void +cleanStaleWindowList(GLUTwindow * window) +{ + GLUTstale **pEntry = &__glutStaleWindowList; + GLUTstale *entry = __glutStaleWindowList; + + /* Tranverse singly-linked stale window list look for the + window ID. */ + while (entry) { + if (entry->window == window) { + /* Found it; delete it. */ + *pEntry = entry->next; + free(entry); + return; + } else { + pEntry = &entry->next; + entry = *pEntry; + } + } +} + +#endif + +static GLUTwindow *__glutWindowCache = NULL; + +GLUTwindow * +__glutGetWindow(Window win) +{ + int i; + + /* Does win belong to the last window ID looked up? */ + if (__glutWindowCache && (win == __glutWindowCache->win || + (__glutWindowCache->overlay && win == + __glutWindowCache->overlay->win))) { + return + __glutWindowCache; + } + /* Otherwise scan the window list looking for the window ID. */ + for (i = 0; i < __glutWindowListSize; i++) { + if (__glutWindowList[i]) { + if (win == __glutWindowList[i]->win) { + __glutWindowCache = __glutWindowList[i]; + return __glutWindowCache; + } + if (__glutWindowList[i]->overlay) { + if (win == __glutWindowList[i]->overlay->win) { + __glutWindowCache = __glutWindowList[i]; + return __glutWindowCache; + } + } + } + } +#if !defined(_WIN32) && !defined(__OS2PM__) + { + GLUTstale *entry; + + /* Scan through destroyed overlay window IDs for which no + DestroyNotify has yet been received. */ + for (entry = __glutStaleWindowList; entry; entry = entry->next) { + if (entry->win == win) + return entry->window; + } + } +#endif + return NULL; +} + +/* CENTRY */ +int GLUTAPIENTRY +glutGetWindow(void) +{ + if (__glutCurrentWindow) { + return __glutCurrentWindow->num + 1; + } else { + return 0; + } +} +/* ENDCENTRY */ + +void +__glutSetWindow(GLUTwindow * window) +{ + /* It is tempting to try to short-circuit the call to + glXMakeCurrent if we "know" we are going to make current + to a window we are already current to. In fact, this + assumption breaks when GLUT is expected to integrated with + other OpenGL windowing APIs that also make current to + OpenGL contexts. Since glXMakeCurrent short-circuits the + "already bound" case, GLUT avoids the temptation to do so + too. */ + __glutCurrentWindow = window; + + MAKE_CURRENT_LAYER(__glutCurrentWindow); + +#if !defined(_WIN32) && !defined(__OS2__) + /* We should be careful to force a finish between each + iteration through the GLUT main loop if indirect OpenGL + contexts are in use; indirect contexts tend to have much + longer latency because lots of OpenGL extension requests + can queue up in the X protocol stream. We accomplish this + by posting GLUT_FINISH_WORK to be done. */ + if (!__glutCurrentWindow->isDirect) + __glutPutOnWorkList(__glutCurrentWindow, GLUT_FINISH_WORK); +#endif + + /* If debugging is enabled, we'll want to check this window + for any OpenGL errors every iteration through the GLUT + main loop. To accomplish this, we post the + GLUT_DEBUG_WORK to be done on this window. */ + if (__glutDebug) { + __glutPutOnWorkList(__glutCurrentWindow, GLUT_DEBUG_WORK); + } +} + +/* CENTRY */ +void GLUTAPIENTRY +glutSetWindow(int win) +{ + GLUTwindow *window; + + if (win < 1 || win > __glutWindowListSize) { + __glutWarning("glutSetWindow attempted on bogus window."); + return; + } + window = __glutWindowList[win - 1]; + if (!window) { + __glutWarning("glutSetWindow attempted on bogus window."); + return; + } + __glutSetWindow(window); +} +/* ENDCENTRY */ + +static int +getUnusedWindowSlot(void) +{ + int i; + + /* Look for allocated, unused slot. */ + for (i = 0; i < __glutWindowListSize; i++) { + if (!__glutWindowList[i]) { + return i; + } + } + /* Allocate a new slot. */ + __glutWindowListSize++; + if (__glutWindowList) { + __glutWindowList = (GLUTwindow **) + realloc(__glutWindowList, + __glutWindowListSize * sizeof(GLUTwindow *)); + } else { + /* XXX Some realloc's do not correctly perform a malloc + when asked to perform a realloc on a NULL pointer, + though the ANSI C library spec requires this. */ + __glutWindowList = (GLUTwindow **) + malloc(sizeof(GLUTwindow *)); + } + if (!__glutWindowList) + __glutFatalError("out of memory."); + __glutWindowList[__glutWindowListSize - 1] = NULL; + return __glutWindowListSize - 1; +} + +static XVisualInfo * +getVisualInfoCI(unsigned int mode) +{ +#if POKA + static int bufSizeList[] = + {16, 12, 8, 4, 2, 1, 0}; + XVisualInfo *vi; + int list[32]; + int i, n = 0; + + /* Should not be looking at display mode mask if + __glutDisplayString is non-NULL. */ + assert(!__glutDisplayString); + + list[n++] = GLX_BUFFER_SIZE; + list[n++] = 1; + if (GLUT_WIND_IS_DOUBLE(mode)) { + list[n++] = GLX_DOUBLEBUFFER; + } + if (GLUT_WIND_IS_STEREO(mode)) { + list[n++] = GLX_STEREO; + } + if (GLUT_WIND_HAS_DEPTH(mode)) { + list[n++] = GLX_DEPTH_SIZE; + list[n++] = 1; + } + if (GLUT_WIND_HAS_STENCIL(mode)) { + list[n++] = GLX_STENCIL_SIZE; + list[n++] = 1; + } + list[n] = (int) None; /* terminate list */ + + /* glXChooseVisual specify GLX_BUFFER_SIZE prefers the + "smallest index buffer of at least the specified size". + This would be reasonable if GLUT allowed the user to + specify the required buffe size, but GLUT's display mode + is too simplistic (easy to use?). GLUT should try to find + the "largest". So start with a large buffer size and + shrink until we find a matching one that exists. */ + + for (i = 0; bufSizeList[i]; i++) { + /* XXX Assumes list[1] is where GLX_BUFFER_SIZE parameter + is. */ + list[1] = bufSizeList[i]; + vi = glXChooseVisual(__glutDisplay, + __glutScreen, list); + if (vi) + return vi; + } + return NULL; +#else + return + glXChooseVisual(mode); + +#endif +} + +static XVisualInfo * +getVisualInfoRGB(unsigned int mode) +{ +#if POKA + int list[32]; + int n = 0; + + /* Should not be looking at display mode mask if + __glutDisplayString is non-NULL. */ + assert(!__glutDisplayString); + + /* XXX Would a caching mechanism to minize the calls to + glXChooseVisual? You'd have to reference count + XVisualInfo* pointers. Would also have to properly + interact with glutInitDisplayString. */ + + list[n++] = GLX_RGBA; + list[n++] = GLX_RED_SIZE; + list[n++] = 1; + list[n++] = GLX_GREEN_SIZE; + list[n++] = 1; + list[n++] = GLX_BLUE_SIZE; + list[n++] = 1; + if (GLUT_WIND_HAS_ALPHA(mode)) { + list[n++] = GLX_ALPHA_SIZE; + list[n++] = 1; + } + if (GLUT_WIND_IS_DOUBLE(mode)) { + list[n++] = GLX_DOUBLEBUFFER; + } + if (GLUT_WIND_IS_STEREO(mode)) { + list[n++] = GLX_STEREO; + } + if (GLUT_WIND_HAS_DEPTH(mode)) { + list[n++] = GLX_DEPTH_SIZE; + list[n++] = 1; + } + if (GLUT_WIND_HAS_STENCIL(mode)) { + list[n++] = GLX_STENCIL_SIZE; + list[n++] = 1; + } + if (GLUT_WIND_HAS_ACCUM(mode)) { + list[n++] = GLX_ACCUM_RED_SIZE; + list[n++] = 1; + list[n++] = GLX_ACCUM_GREEN_SIZE; + list[n++] = 1; + list[n++] = GLX_ACCUM_BLUE_SIZE; + list[n++] = 1; + if (GLUT_WIND_HAS_ALPHA(mode)) { + list[n++] = GLX_ACCUM_ALPHA_SIZE; + list[n++] = 1; + } + } +#if defined(GLX_VERSION_1_1) && (defined(GLX_SGIS_multisample) || defined(GLX_ARB_multisample)) + if (GLUT_WIND_IS_MULTISAMPLE(mode)) { + if (!__glutIsSupportedByGLX("GLX_SGIS_multisample") && + !__glutIsSupportedByGLX("GLX_ARB_multisample")) + return NULL; +#if defined(GLX_ARB_multisample) + list[n++] = GLX_SAMPLES_ARB; +#elif defined(GLX_SGIS_multisample) + list[n++] = GLX_SAMPLES_SGIS; +#endif + /* XXX Is 4 a reasonable minimum acceptable number of + samples? */ + list[n++] = 4; + } +#endif + list[n] = (int) None; /* terminate list */ + + return glXChooseVisual(__glutDisplay, + __glutScreen, list); +#else /* POKA */ + + return + glXChooseVisual(mode); + +#endif +} + +XVisualInfo * +__glutGetVisualInfo(unsigned int mode) +{ + /* XXX GLUT_LUMINANCE not implemented for GLUT 3.0. */ + if (GLUT_WIND_IS_LUMINANCE(mode)) + return NULL; + + if (GLUT_WIND_IS_RGB(mode)) + return getVisualInfoRGB(mode); + else + return getVisualInfoCI(mode); +} + +XVisualInfo * +__glutDetermineVisual( + unsigned int displayMode, + Bool * treatAsSingle, + XVisualInfo * (getVisualInfo) (unsigned int)) +{ + XVisualInfo *vis; + + /* Should not be looking at display mode mask if + __glutDisplayString is non-NULL. */ + assert(!__glutDisplayString); + + *treatAsSingle = GLUT_WIND_IS_SINGLE(displayMode); + vis = getVisualInfo(displayMode); + if (!vis) { + /* Fallback cases when can't get exactly what was asked + for... */ + if (GLUT_WIND_IS_SINGLE(displayMode)) { + /* If we can't find a single buffered visual, try looking + for a double buffered visual. We can treat a double + buffered visual as a single buffer visual by changing + the draw buffer to GL_FRONT and treating any swap + buffers as no-ops. */ + displayMode |= GLUT_DOUBLE; + vis = getVisualInfo(displayMode); + *treatAsSingle = True; + } + if (!vis && GLUT_WIND_IS_MULTISAMPLE(displayMode)) { + /* If we can't seem to get multisampling (ie, not Reality + Engine class graphics!), go without multisampling. It + is up to the application to query how many multisamples + were allocated (0 equals no multisampling) if the + application is going to use multisampling for more than + just antialiasing. */ + displayMode &= ~GLUT_MULTISAMPLE; + vis = getVisualInfo(displayMode); + } + } + return vis; +} + +static void GLUTCALLBACK +__glutDefaultDisplay(void) +{ + /* XXX Remove the warning after GLUT 3.0. */ + __glutWarning("The following is a new check for GLUT 3.0; update your code."); + __glutFatalError( + "redisplay needed for window %d, but no display callback.", + __glutCurrentWindow->num + 1); +} + +void GLUTCALLBACK +__glutDefaultReshape(int width, int height) +{ + GLUToverlay *overlay; + + /* Adjust the viewport of the window (and overlay if one + exists). */ + MAKE_CURRENT_WINDOW(__glutCurrentWindow); + glViewport(0, 0, (GLsizei) width, (GLsizei) height); + overlay = __glutCurrentWindow->overlay; + if (overlay) { + MAKE_CURRENT_OVERLAY(overlay); + glViewport(0, 0, (GLsizei) width, (GLsizei) height); + } + /* Make sure we are current to the current layer (application + should be able to count on the current layer not changing + unless the application explicitly calls glutUseLayer). */ + MAKE_CURRENT_LAYER(__glutCurrentWindow); +} + +XVisualInfo * +__glutDetermineWindowVisual(Bool * treatAsSingle, Bool * visAlloced, void **fbc) +{ + if (__glutDisplayString) { + + /* __glutDisplayString should be NULL except if + glutInitDisplayString has been called to register a + different display string. Calling glutInitDisplayString + means using a string instead of an integer mask determine + the visual to use. Using the function pointer variable + __glutDetermineVisualFromString below avoids linking in + the code for implementing glutInitDisplayString (ie, + glut_dstr.o) unless glutInitDisplayString gets called by + the application. */ + + assert(__glutDetermineVisualFromString); + *visAlloced = False; + *fbc = NULL; + return __glutDetermineVisualFromString(__glutDisplayString, treatAsSingle, + requiredWindowCriteria, numRequiredWindowCriteria, requiredWindowCriteriaMask, fbc); + } else { + *visAlloced = True; + *fbc = NULL; + return __glutDetermineVisual(__glutDisplayMode, + treatAsSingle, __glutGetVisualInfo); + } +} + +/* ARGSUSED5 */ /* Only Win32 uses gameMode parameter. */ +GLUTwindow * +__glutCreateWindow(GLUTwindow * parent, + int x, int y, int width, int height, int gameMode) +{ + GLUTwindow *window; + XSetWindowAttributes wa; + unsigned long attribMask; + int winnum; + int i; +#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig) + GLXFBConfigSGIX fbc; +#else + void *fbc; +#endif + +#if defined(__OS2PM__) + { + extern HAB hab; /* PM anchor block handle */ + CLASSINFO classinfo; + + if(!WinQueryClassInfo(hab,"GLUT", &classinfo) ) + __glutOpenOS2Connection(NULL); + } +#elif defined(_WIN32) + WNDCLASS wc; + int style; + + if (!GetClassInfo(GetModuleHandle(NULL), "GLUT", &wc)) { + __glutOpenWin32Connection(NULL); + } +#else + if (!__glutDisplay) { + __glutOpenXConnection(NULL); + } +#endif + +#ifndef __OS2PM__ + if (__glutGameModeWindow) { + __glutFatalError("cannot create windows in game mode."); + } +#endif + + winnum = getUnusedWindowSlot(); + window = (GLUTwindow *) malloc(sizeof(GLUTwindow)); + if (!window) { + __glutFatalError("out of memory."); + } + window->num = winnum; + +#if defined(__OS2PM__) + /* Add this new window to the window list. */ + __glutWindowList[winnum] = window; + window->shownState = -1; +#endif + +#if !defined(_WIN32) && !defined(__OS2PM__) + window->vis = __glutDetermineWindowVisual(&window->treatAsSingle, + &window->visAlloced, (void**) &fbc); + if (!window->vis) { + __glutFatalError( + "visual with necessary capabilities not found."); + } + __glutSetupColormap(window->vis, &window->colormap, &window->cmap); +#endif + window->eventMask = StructureNotifyMask | ExposureMask; + + attribMask = CWBackPixmap | CWBorderPixel | CWColormap | CWEventMask; + wa.background_pixmap = None; + wa.border_pixel = 0; + wa.colormap = window->cmap; + wa.event_mask = window->eventMask; + if (parent) { + if (parent->eventMask & GLUT_HACK_STOP_PROPAGATE_MASK) + wa.event_mask |= GLUT_HACK_STOP_PROPAGATE_MASK; + attribMask |= CWDontPropagate; + wa.do_not_propagate_mask = parent->eventMask & GLUT_DONT_PROPAGATE_FILTER_MASK; + } else { + wa.do_not_propagate_mask = 0; + } + + /* Stash width and height before Win32's __glutAdjustCoords + possibly overwrites the values. */ + window->width = width; + window->height = height; + window->forceReshape = True; + window->ignoreKeyRepeat = False; + +#if defined(__OS2PM__) + + { ULONG flStyle=0; + int ii; + ERRORID erridErrorCode;/* last error id code */ + extern HAB hab; /* PM anchor block handle */ + + if (parent) { + flStyle = WS_CLIPCHILDREN|WS_VISIBLE; + } else { + if (gameMode) { + /* Game mode window should be a WS_POPUP window to + ensure that the taskbar is hidden by it. A standard + WS_OVERLAPPEDWINDOW does not hide the task bar. */ + flStyle = FCF_STANDARD | WS_MAXIMIZED; + } else { + /* A standard toplevel window with borders and such. */ + flStyle = FCF_STANDARD | WS_CLIPCHILDREN; +// flStyle = WS_OVERLAPPEDWINDOW; + } + } +{ + HWND hwnd; /* Window */ + ULONG ListBoxId; /* Window id */ + /* (supplied by application) */ + + + HWND hwndClient; /* handle to the client */ + HWND hwndFrame; /* handle to the frame */ + PFNWP GenericWndProc; + FRAMECDATA fcd; + RECTL rect; /* Boundary rectangle */ + + + +/************************************************/ +// flCreate = (FCF_STANDARD) & ~FCF_TASKLIST; +/**********************************/ + if (parent) + { window->frame = NULL; + + hwnd = WinCreateWindow(parent->win, /* Parent window */ + "GLUTCHILD", /* Class name */ + "", /* Window text */ + flStyle, /* Window style */ + x, y, /* Position (x,y) */ + width, height, /* Size (width,height) */ + parent->win, /* Owner window */ + HWND_TOP, /* Sibling window */ + 0, /* Window id */ + NULL, /* Control data */ + NULL); /* Pres parameters */ + + erridErrorCode = WinGetLastError(hab); + window->win = hwnd; + + window->hdc = WinOpenWindowDC(window->win); + window->hpsBuffer = hpsCurrent; + + + rect.xLeft = x; + rect.xRight = x+width; + rect.yBottom = y; + rect.yTop = y + height; + +/***** else parent *****************************/ + } else { + hwnd = WinCreateStdWindow(HWND_DESKTOP, + 0, /* WS_VISIBLE frame-window style */ + &flStyle, /* window style */ + "GLUT", /* class name */ + "GLUT",/* window title */ + 0L, /* default client style */ + NULLHANDLE, /* resource in executable file */ + ID_WINDOW, /* resource id */ + &hwndClient); /* receives client window handle */ + + erridErrorCode = WinGetLastError(hab); + window->win = hwndClient; + window->frame = hwnd; + window->hdc = WinOpenWindowDC(window->win); + + window->hpsBuffer = hpsCurrent; + + +/* converts a client window's boundaries into an equivalent frame rectangle */ + rect.xLeft = x; + rect.xRight = x+width; + rect.yBottom = y; + rect.yTop = y + height; + + /* calculate equivalent frame boundary from boundary data */ + WinCalcFrameRect(window->frame, &rect, FALSE); + } +/***** endof if(parent) *****************************/ + + /* Must set the XHDC for fake glXChooseVisual & fake + glXCreateContext & fake XAllocColorCells. */ + XHDC = window->hdc; + XHWND = window->win; + window->vis = __glutDetermineWindowVisual(&window->treatAsSingle, + &window->visAlloced, &fbc); + if (!window->vis) + { __glutFatalError( + "pixel format with necessary capabilities not found."); + } + { int rc; + rc = wglChoosePixelFormat(window->hdc, window->vis), + +// evglSetPixelFormat(2); /* int iPixelFormat 1 - doublebuffer/2 - single buffer ??*/ + wglSetPixelFormat(window->hdc,rc,window->vis); + } + __glutSetupColormap(window->vis, &window->colormap, &window->cmap); + + window->ctx = glXCreateContext(window->hpsBuffer, window->vis, + None, __glutTryDirect); + + WinSetWindowPos(hwnd, + HWND_TOP,rect.xLeft,rect.yBottom, + rect.xRight-rect.xLeft, rect.yTop-rect.yBottom, + SWP_ACTIVATE | SWP_MOVE | SWP_SIZE | SWP_SHOW|SWP_ZORDER); /* flags*/ + + /* Make sure subwindows get a windowStatus callback. */ + if (parent) + WinPostMsg(parent->win, WM_ACTIVATE, 0, 0); + + } +} + +#elif defined(_WIN32) + + __glutAdjustCoords(parent ? parent->win : NULL, + &x, &y, &width, &height); + if (parent) { + style = WS_CHILD; + } else { + if (gameMode) { + /* Game mode window should be a WS_POPUP window to + ensure that the taskbar is hidden by it. A standard + WS_OVERLAPPEDWINDOW does not hide the task bar. */ + style = WS_POPUP | WS_MAXIMIZE; + } else { + /* A standard toplevel window with borders and such. */ + style = WS_OVERLAPPEDWINDOW; + } + } + window->win = CreateWindow("GLUT", "GLUT", + WS_CLIPSIBLINGS | WS_CLIPCHILDREN | style, + x, y, width, height, parent ? parent->win : __glutRoot, + NULL, GetModuleHandle(NULL), 0); + window->hdc = GetDC(window->win); + /* Must set the XHDC for fake glXChooseVisual & fake + glXCreateContext & fake XAllocColorCells. */ + XHDC = window->hdc; + window->vis = __glutDetermineWindowVisual(&window->treatAsSingle, + &window->visAlloced, &fbc); + if (!window->vis) { + __glutFatalError( + "pixel format with necessary capabilities not found."); + } + if (!SetPixelFormat(window->hdc, + ChoosePixelFormat(window->hdc, window->vis), + window->vis)) { + __glutFatalError("SetPixelFormat failed during window create."); + } + __glutSetupColormap(window->vis, &window->colormap, &window->cmap); + /* Make sure subwindows get a windowStatus callback. */ + if (parent) { + PostMessage(parent->win, WM_ACTIVATE, 0, 0); + } + window->renderDc = window->hdc; +#else + window->win = XCreateWindow(__glutDisplay, + parent == NULL ? __glutRoot : parent->win, + x, y, width, height, 0, + window->vis->depth, InputOutput, window->vis->visual, + attribMask, &wa); +#endif + window->renderWin = window->win; +#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig) + if (fbc) { + window->ctx = __glut_glXCreateContextWithConfigSGIX(__glutDisplay, fbc, + GLX_RGBA_TYPE_SGIX, None, __glutTryDirect); + } else +#endif +#if defined(__OS2PM__) +// window->ctx = glXCreateContext(window->hpsBuffer, window->vis, +// None, __glutTryDirect); +#else + window->ctx = glXCreateContext(__glutDisplay, window->vis, + None, __glutTryDirect); +#endif + if (!window->ctx) { + __glutFatalError( + "failed to create OpenGL rendering context."); + } + window->renderCtx = window->ctx; +#if !defined(_WIN32) && !defined(__OS2PM__) + window->isDirect = glXIsDirect(__glutDisplay, window->ctx); + if (__glutForceDirect) { + if (!window->isDirect) + __glutFatalError("direct rendering not possible."); + } +#endif + + window->parent = parent; + if (parent) { + window->siblings = parent->children; + parent->children = window; + } else { + window->siblings = NULL; + } + window->overlay = NULL; + window->children = NULL; + window->display = __glutDefaultDisplay; + window->reshape = __glutDefaultReshape; + window->mouse = NULL; + window->motion = NULL; + window->passive = NULL; + window->entry = NULL; + window->keyboard = NULL; + window->keyboardUp = NULL; + window->windowStatus = NULL; + window->visibility = NULL; + window->special = NULL; + window->specialUp = NULL; + window->buttonBox = NULL; + window->dials = NULL; + window->spaceMotion = NULL; + window->spaceRotate = NULL; + window->spaceButton = NULL; + window->tabletMotion = NULL; + window->tabletButton = NULL; +#ifdef _WIN32 + window->joystick = NULL; + window->joyPollInterval = 0; +#endif + +#if defined(__OS2PM__) + window->wm_command = NULL; +#endif + + window->tabletPos[0] = -1; + window->tabletPos[1] = -1; +#if defined(__OS2PM__) + if(window->shownState == -1) + window->shownState = 0; + window->visState = window->shownState; +#else + window->shownState = 0; + window->visState = -1; /* not VisibilityUnobscured, + VisibilityPartiallyObscured, or + VisibilityFullyObscured */ +#endif + window->entryState = -1; /* not EnterNotify or LeaveNotify */ + + window->desiredConfMask = 0; + window->buttonUses = 0; + window->cursor = GLUT_CURSOR_INHERIT; + + /* Setup window to be mapped when glutMainLoop starts. */ + window->workMask = GLUT_MAP_WORK; +#ifdef _WIN32 + if (gameMode) { + /* When mapping a game mode window, just show + the window. We have already created the game + mode window with a maximize flag at creation + time. Doing a ShowWindow(window->win, SW_SHOWNORMAL) + would be wrong for a game mode window since it + would unmaximize the window. */ + window->desiredMapState = GameModeState; + } else { + window->desiredMapState = NormalState; + } +#else + window->desiredMapState = NormalState; +#endif + window->prevWorkWin = __glutWindowWorkList; + __glutWindowWorkList = window; + + /* Initially, no menus attached. */ + for (i = 0; i < GLUT_MAX_MENUS; i++) { + window->menu[i] = 0; + } + + /* Add this new window to the window list. */ + __glutWindowList[winnum] = window; + + /* Make the new window the current window. */ + __glutSetWindow(window); + + __glutDetermineMesaSwapHackSupport(); + + if (window->treatAsSingle) { + /* We do this because either the window really is single + buffered (in which case this is redundant, but harmless, + because this is the initial single-buffered context + state); or we are treating a double buffered window as a + single-buffered window because the system does not appear + to export any suitable single- buffered visuals (in which + the following are necessary). */ + glDrawBuffer(GL_FRONT); + glReadBuffer(GL_FRONT); + } + return window; +} + +/* CENTRY */ +int GLUTAPIENTRY +glutCreateWindow(const char *title) +{ + static int firstWindow = 1; + GLUTwindow *window; +#if !defined(_WIN32) && !defined(__OS2__) + XWMHints *wmHints; +#endif + Window win; + XTextProperty textprop; + + if (__glutGameModeWindow) { + __glutFatalError("cannot create windows in game mode."); + } + window = __glutCreateWindow(NULL, + __glutSizeHints.x, __glutSizeHints.y, + __glutInitWidth, __glutInitHeight, + /* not game mode */ 0); + win = window->win; + /* Setup ICCCM properties. */ + textprop.value = (unsigned char *) title; + textprop.encoding = XA_STRING; + textprop.format = 8; + textprop.nitems = strlen(title); +#if defined(__OS2__) + WinSetWindowText(window->frame, (PCSZ)title); + if (__glutIconic) { + window->desiredMapState = IconicState; + } +#elif defined(_WIN32) + SetWindowText(win, title); + if (__glutIconic) { + window->desiredMapState = IconicState; + } +#else + wmHints = XAllocWMHints(); + wmHints->initial_state = + __glutIconic ? IconicState : NormalState; + wmHints->flags = StateHint; + XSetWMProperties(__glutDisplay, win, &textprop, &textprop, + /* Only put WM_COMMAND property on first window. */ + firstWindow ? __glutArgv : NULL, + firstWindow ? __glutArgc : 0, + &__glutSizeHints, wmHints, NULL); + XFree(wmHints); + XSetWMProtocols(__glutDisplay, win, &__glutWMDeleteWindow, 1); +#endif + firstWindow = 0; + return window->num + 1; +} + +#ifdef _WIN32 +int GLUTAPIENTRY +__glutCreateWindowWithExit(const char *title, void (__cdecl *exitfunc)(int)) +{ + __glutExitFunc = exitfunc; + return glutCreateWindow(title); +} +#endif + +int GLUTAPIENTRY +glutCreateSubWindow(int win, int x, int y, int width, int height) +{ + GLUTwindow *window; + + window = __glutCreateWindow(__glutWindowList[win - 1], + x, y, width, height, /* not game mode */ 0); +#if !defined(_WIN32) && !defined(__OS2__) + { + GLUTwindow *toplevel; + + toplevel = __glutToplevelOf(window); + if (toplevel->cmap != window->cmap) { + __glutPutOnWorkList(toplevel, GLUT_COLORMAP_WORK); + } + } +#endif + return window->num + 1; +} +/* ENDCENTRY */ + +void +__glutDestroyWindow(GLUTwindow * window, + GLUTwindow * initialWindow) +{ + GLUTwindow **prev, *cur, *parent, *siblings; + + /* Recursively destroy any children. */ + cur = window->children; + while (cur) { + siblings = cur->siblings; + __glutDestroyWindow(cur, initialWindow); + cur = siblings; + } + /* Remove from parent's children list (only necessary for + non-initial windows and subwindows!). */ + parent = window->parent; + if (parent && parent == initialWindow->parent) { + prev = &parent->children; + cur = parent->children; + while (cur) { + if (cur == window) { + *prev = cur->siblings; + break; + } + prev = &(cur->siblings); + cur = cur->siblings; + } + } + /* Unbind if bound to this window. */ + if (window == __glutCurrentWindow) { + UNMAKE_CURRENT(); + __glutCurrentWindow = NULL; + } + /* Begin tearing down window itself. */ + if (window->overlay) { + __glutFreeOverlayFunc(window->overlay); + } + XDestroyWindow(__glutDisplay, window->win); + glXDestroyContext(__glutDisplay, window->ctx); + if (window->colormap) { + /* Only color index windows have colormap data structure. */ + __glutFreeColormap(window->colormap); + } + /* NULLing the __glutWindowList helps detect is a window + instance has been destroyed, given a window number. */ + __glutWindowList[window->num] = NULL; + + /* Cleanup data structures that might contain window. */ + cleanWindowWorkList(window); +#if !defined(_WIN32) && !defined(__OS2__) + cleanStaleWindowList(window); +#endif + /* Remove window from the "get window cache" if it is there. */ + if (__glutWindowCache == window) + __glutWindowCache = NULL; + + if (window->visAlloced) { + /* Only free XVisualInfo* gotten from glXChooseVisual. */ + XFree(window->vis); + } + + if (window == __glutGameModeWindow) { + /* Destroying the game mode window should implicitly + have GLUT leave game mode. */ + __glutCloseDownGameMode(); + } + + free(window); +} + +/* CENTRY */ +void GLUTAPIENTRY +glutDestroyWindow(int win) +{ + GLUTwindow *window = __glutWindowList[win - 1]; + + if (__glutMappedMenu && __glutMenuWindow == window) { + __glutFatalUsage("destroying menu window not allowed while menus in use"); + } +#if !defined(_WIN32) && !defined(__OS2__) + /* If not a toplevel window... */ + if (window->parent) { + /* Destroying subwindows may change colormap requirements; + recalculate toplevel window's WM_COLORMAP_WINDOWS + property. */ + __glutPutOnWorkList(__glutToplevelOf(window->parent), + GLUT_COLORMAP_WORK); + } +#endif + __glutDestroyWindow(window, window); + XFlush(__glutDisplay); +} +/* ENDCENTRY */ + +void +__glutChangeWindowEventMask(long eventMask, Bool add) +{ + if (add) { + /* Add eventMask to window's event mask. */ + if ((__glutCurrentWindow->eventMask & eventMask) != + eventMask) { + __glutCurrentWindow->eventMask |= eventMask; + __glutPutOnWorkList(__glutCurrentWindow, + GLUT_EVENT_MASK_WORK); + } + } else { + /* Remove eventMask from window's event mask. */ + if (__glutCurrentWindow->eventMask & eventMask) { + __glutCurrentWindow->eventMask &= ~eventMask; + __glutPutOnWorkList(__glutCurrentWindow, + GLUT_EVENT_MASK_WORK); + } + } +} + +void GLUTAPIENTRY +glutDisplayFunc(GLUTdisplayCB displayFunc) +{ + /* XXX Remove the warning after GLUT 3.0. */ + if (!displayFunc) + __glutFatalError("NULL display callback not allowed in GLUT 3.0; update your code."); + __glutCurrentWindow->display = displayFunc; +} + +void GLUTAPIENTRY +glutMouseFunc(GLUTmouseCB mouseFunc) +{ + if (__glutCurrentWindow->mouse) { + if (!mouseFunc) { + /* Previous mouseFunc being disabled. */ + __glutCurrentWindow->buttonUses--; + __glutChangeWindowEventMask( + ButtonPressMask | ButtonReleaseMask, + __glutCurrentWindow->buttonUses > 0); + } + } else { + if (mouseFunc) { + /* Previously no mouseFunc, new one being installed. */ + __glutCurrentWindow->buttonUses++; + __glutChangeWindowEventMask( + ButtonPressMask | ButtonReleaseMask, True); + } + } + __glutCurrentWindow->mouse = mouseFunc; +} + +void GLUTAPIENTRY +glutMotionFunc(GLUTmotionCB motionFunc) +{ + /* Hack. Some window managers (4Dwm by default) will mask + motion events if the client is not selecting for button + press and release events. So we select for press and + release events too (being careful to use reference + counting). */ + if (__glutCurrentWindow->motion) { + if (!motionFunc) { + /* previous mouseFunc being disabled */ + __glutCurrentWindow->buttonUses--; + __glutChangeWindowEventMask( + ButtonPressMask | ButtonReleaseMask, + __glutCurrentWindow->buttonUses > 0); + } + } else { + if (motionFunc) { + /* Previously no mouseFunc, new one being installed. */ + __glutCurrentWindow->buttonUses++; + __glutChangeWindowEventMask( + ButtonPressMask | ButtonReleaseMask, True); + } + } + /* Real work of selecting for passive mouse motion. */ + __glutChangeWindowEventMask( + Button1MotionMask | Button2MotionMask | Button3MotionMask, + motionFunc != NULL); + __glutCurrentWindow->motion = motionFunc; +} + +void GLUTAPIENTRY +glutPassiveMotionFunc(GLUTpassiveCB passiveMotionFunc) +{ + __glutChangeWindowEventMask(PointerMotionMask, + passiveMotionFunc != NULL); + + /* Passive motion also requires watching enters and leaves so + that a fake passive motion event can be generated on an + enter. */ + __glutChangeWindowEventMask(EnterWindowMask | LeaveWindowMask, + __glutCurrentWindow->entry != NULL || passiveMotionFunc != NULL); + + __glutCurrentWindow->passive = passiveMotionFunc; +} + +void GLUTAPIENTRY +glutEntryFunc(GLUTentryCB entryFunc) +{ + __glutChangeWindowEventMask(EnterWindowMask | LeaveWindowMask, + entryFunc != NULL || __glutCurrentWindow->passive); + __glutCurrentWindow->entry = entryFunc; + if (!entryFunc) { + __glutCurrentWindow->entryState = -1; + } +} + +void GLUTAPIENTRY +glutWindowStatusFunc(GLUTwindowStatusCB windowStatusFunc) +{ + __glutChangeWindowEventMask(VisibilityChangeMask, + windowStatusFunc != NULL); + __glutCurrentWindow->windowStatus = windowStatusFunc; + if (!windowStatusFunc) { + /* Make state invalid. */ + __glutCurrentWindow->visState = -1; + } +} + +static void GLUTCALLBACK +visibilityHelper(int status) +{ + if (status == GLUT_HIDDEN || status == GLUT_FULLY_COVERED) + __glutCurrentWindow->visibility(GLUT_NOT_VISIBLE); + else + __glutCurrentWindow->visibility(GLUT_VISIBLE); +} + + +void GLUTAPIENTRY +glutVisibilityFunc(GLUTvisibilityCB visibilityFunc) +{ + __glutCurrentWindow->visibility = visibilityFunc; + + if (visibilityFunc) + { glutWindowStatusFunc(visibilityHelper); +#if defined(__OS2PM__) + if(__glutCurrentWindow->shownState >= 0) + { visibilityHelper(__glutCurrentWindow->shownState); + } +#endif + } + else + glutWindowStatusFunc(NULL); +} + +void GLUTAPIENTRY +glutReshapeFunc(GLUTreshapeCB reshapeFunc) +{ + if (reshapeFunc) { + __glutCurrentWindow->reshape = reshapeFunc; + } else { + __glutCurrentWindow->reshape = __glutDefaultReshape; + } +}  \ No newline at end of file -- cgit v1.2.3