X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ffreeglut_window.c;fp=src%2Ffreeglut_window.c;h=0000000000000000000000000000000000000000;hb=d2f7ea29ea6d946f455f4363c3f058ff2bdfba35;hp=0542017bee12ef62831027a918913b0c36d865aa;hpb=67e12a9904a16f2765c33dcd75b31926691416f1;p=freeglut diff --git a/src/freeglut_window.c b/src/freeglut_window.c deleted file mode 100644 index 0542017..0000000 --- a/src/freeglut_window.c +++ /dev/null @@ -1,2162 +0,0 @@ -/* - * freeglut_window.c - * - * Window management methods. - * - * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved. - * Written by Pawel W. Olszta, - * Creation date: Fri Dec 3 1999 - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER - * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#define FREEGLUT_BUILDING_LIB -#include -#include "freeglut_internal.h" - -#if TARGET_HOST_POSIX_X11 -#include /* LONG_MAX */ -#include /* usleep */ -#endif - -#if defined(_WIN32_WCE) -# include -# ifdef FREEGLUT_LIB_PRAGMAS -# pragma comment( lib, "Aygshell.lib" ) -# endif -#endif /* defined(_WIN32_WCE) */ - - -#if TARGET_HOST_POSIX_X11 -#ifndef GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB -#define GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20B2 -#endif - -#ifndef GLX_CONTEXT_MAJOR_VERSION_ARB -#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091 -#endif - -#ifndef GLX_CONTEXT_MINOR_VERSION_ARB -#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092 -#endif - -#ifndef GLX_CONTEXT_FLAGS_ARB -#define GLX_CONTEXT_FLAGS_ARB 0x2094 -#endif - -#ifndef GLX_CONTEXT_PROFILE_MASK_ARB -#define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126 -#endif - -#ifndef GLX_CONTEXT_DEBUG_BIT_ARB -#define GLX_CONTEXT_DEBUG_BIT_ARB 0x0001 -#endif - -#ifndef GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB -#define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002 -#endif - -#ifndef GLX_CONTEXT_CORE_PROFILE_BIT_ARB -#define GLX_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001 -#endif - -#ifndef GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB -#define GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002 -#endif - -#ifndef GLX_RGBA_FLOAT_TYPE -#define GLX_RGBA_FLOAT_TYPE 0x20B9 -#endif - -#ifndef GLX_RGBA_FLOAT_BIT -#define GLX_RGBA_FLOAT_BIT 0x00000004 -#endif -#endif /* TARGET_HOST_POSIX_X11 */ - - -#if TARGET_HOST_MS_WINDOWS -/* The following include file is available from SGI but is not standard: - * #include - * So we copy the necessary parts out of it. - * XXX: should local definitions for extensions be put in a separate include file? - */ -typedef const char * (WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC) (HDC hdc); - -typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATARBPROC) (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats); - -#define WGL_DRAW_TO_WINDOW_ARB 0x2001 -#define WGL_ACCELERATION_ARB 0x2003 -#define WGL_SUPPORT_OPENGL_ARB 0x2010 -#define WGL_DOUBLE_BUFFER_ARB 0x2011 -#define WGL_COLOR_BITS_ARB 0x2014 -#define WGL_ALPHA_BITS_ARB 0x201B -#define WGL_DEPTH_BITS_ARB 0x2022 -#define WGL_STENCIL_BITS_ARB 0x2023 -#define WGL_FULL_ACCELERATION_ARB 0x2027 - -#define WGL_SAMPLE_BUFFERS_ARB 0x2041 -#define WGL_SAMPLES_ARB 0x2042 - -#define WGL_TYPE_RGBA_FLOAT_ARB 0x21A0 - -#define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20A9 - -#ifndef WGL_ARB_create_context -#define WGL_ARB_create_context 1 -#ifdef WGL_WGLEXT_PROTOTYPES -extern HGLRC WINAPI wglCreateContextAttribsARB (HDC, HGLRC, const int *); -#endif /* WGL_WGLEXT_PROTOTYPES */ -typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShareContext, const int *attribList); - -#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091 -#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092 -#define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093 -#define WGL_CONTEXT_FLAGS_ARB 0x2094 -#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126 - -#define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001 -#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002 - -#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001 -#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002 - -#define ERROR_INVALID_VERSION_ARB 0x2095 -#define ERROR_INVALID_PROFILE_ARB 0x2096 -#endif - -#endif /* TARGET_HOST_MS_WINDOWS */ - -#ifdef WM_TOUCH - typedef BOOL (WINAPI *pRegisterTouchWindow)(HWND,ULONG); - static pRegisterTouchWindow fghRegisterTouchWindow = (pRegisterTouchWindow)0xDEADBEEF; -#endif - -/* pushing attribute/value pairs into an array */ -#define ATTRIB(a) attributes[where++]=(a) -#define ATTRIB_VAL(a,v) {ATTRIB(a); ATTRIB(v);} - -/* - * TODO BEFORE THE STABLE RELEASE: - * - * fgChooseFBConfig() -- OK, but what about glutInitDisplayString()? - * fgSetupPixelFormat -- ignores the display mode settings - * fgOpenWindow() -- check the Win32 version, -iconic handling! - * fgCloseWindow() -- check the Win32 version - * glutCreateWindow() -- Check when default position and size is {-1,-1} - * glutCreateSubWindow() -- Check when default position and size is {-1,-1} - * glutDestroyWindow() -- check the Win32 version - * glutSetWindow() -- check the Win32 version - * glutGetWindow() -- OK - * glutSetWindowTitle() -- check the Win32 version - * glutSetIconTitle() -- check the Win32 version - * glutShowWindow() -- check the Win32 version - * glutHideWindow() -- check the Win32 version - * glutIconifyWindow() -- check the Win32 version - * glutReshapeWindow() -- check the Win32 version - * glutPositionWindow() -- check the Win32 version - * glutPushWindow() -- check the Win32 version - * glutPopWindow() -- check the Win32 version - */ - -/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */ - -static int fghIsLegacyContextVersionRequested( void ) -{ - return fgState.MajorVersion < 2 || (fgState.MajorVersion == 2 && fgState.MinorVersion <= 1); -} - -static int fghIsLegacyContextRequested( void ) -{ - return fghIsLegacyContextVersionRequested() && - fgState.ContextFlags == 0 && - fgState.ContextProfile == 0; -} - -static int fghNumberOfAuxBuffersRequested( void ) -{ - if ( fgState.DisplayMode & GLUT_AUX4 ) { - return 4; - } - if ( fgState.DisplayMode & GLUT_AUX3 ) { - return 3; - } - if ( fgState.DisplayMode & GLUT_AUX2 ) { - return 2; - } - if ( fgState.DisplayMode & GLUT_AUX1 ) { /* NOTE: Same as GLUT_AUX! */ - return fgState.AuxiliaryBufferNumber; - } - return 0; -} - -static int fghMapBit( int mask, int from, int to ) -{ - return ( mask & from ) ? to : 0; - -} - -static void fghContextCreationError( void ) -{ - fgError( "Unable to create OpenGL %d.%d context (flags %x, profile %x)", - fgState.MajorVersion, fgState.MinorVersion, fgState.ContextFlags, - fgState.ContextProfile ); -} - - -/* -- SYSTEM-DEPENDENT PRIVATE FUNCTIONS ------------------------------------ */ - -#if TARGET_HOST_POSIX_X11 -/* - * Chooses a visual basing on the current display mode settings - */ - -GLXFBConfig* fgChooseFBConfig( int *numcfgs ) -{ - GLboolean wantIndexedMode = GL_FALSE; - int attributes[ 100 ]; - int where = 0, numAuxBuffers; - - /* First we have to process the display mode settings... */ - if( fgState.DisplayMode & GLUT_INDEX ) { - ATTRIB_VAL( GLX_BUFFER_SIZE, 8 ); - /* Buffer size is selected later. */ - - ATTRIB_VAL( GLX_RENDER_TYPE, GLX_COLOR_INDEX_BIT ); - wantIndexedMode = GL_TRUE; - } else { - ATTRIB_VAL( GLX_RED_SIZE, 1 ); - ATTRIB_VAL( GLX_GREEN_SIZE, 1 ); - ATTRIB_VAL( GLX_BLUE_SIZE, 1 ); - if( fgState.DisplayMode & GLUT_ALPHA ) { - ATTRIB_VAL( GLX_ALPHA_SIZE, 1 ); - } - } - - if( fgState.DisplayMode & GLUT_DOUBLE ) { - ATTRIB_VAL( GLX_DOUBLEBUFFER, True ); - } - - if( fgState.DisplayMode & GLUT_STEREO ) { - ATTRIB_VAL( GLX_STEREO, True ); - } - - if( fgState.DisplayMode & GLUT_DEPTH ) { - ATTRIB_VAL( GLX_DEPTH_SIZE, 1 ); - } - - if( fgState.DisplayMode & GLUT_STENCIL ) { - ATTRIB_VAL( GLX_STENCIL_SIZE, 1 ); - } - - if( fgState.DisplayMode & GLUT_ACCUM ) { - ATTRIB_VAL( GLX_ACCUM_RED_SIZE, 1 ); - ATTRIB_VAL( GLX_ACCUM_GREEN_SIZE, 1 ); - ATTRIB_VAL( GLX_ACCUM_BLUE_SIZE, 1 ); - if( fgState.DisplayMode & GLUT_ALPHA ) { - ATTRIB_VAL( GLX_ACCUM_ALPHA_SIZE, 1 ); - } - } - - numAuxBuffers = fghNumberOfAuxBuffersRequested(); - if ( numAuxBuffers > 0 ) { - ATTRIB_VAL( GLX_AUX_BUFFERS, numAuxBuffers ); - } - - if( fgState.DisplayMode & GLUT_SRGB ) { - ATTRIB_VAL( GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB, True ); - } - - if (fgState.DisplayMode & GLUT_MULTISAMPLE) { - ATTRIB_VAL(GLX_SAMPLE_BUFFERS, 1); - ATTRIB_VAL(GLX_SAMPLES, fgState.SampleNumber); - } - - /* Push a terminator at the end of the list */ - ATTRIB( None ); - - { - GLXFBConfig * fbconfigArray; /* Array of FBConfigs */ - GLXFBConfig * fbconfig; /* The FBConfig we want */ - int fbconfigArraySize; /* Number of FBConfigs in the array */ - - - /* Get all FBConfigs that match "attributes". */ - fbconfigArray = glXChooseFBConfig( fgDisplay.Display, - fgDisplay.Screen, - attributes, - &fbconfigArraySize ); - - if (fbconfigArray != NULL) - { - int result; /* Returned by glXGetFBConfigAttrib, not checked. */ - - - if( wantIndexedMode ) - { - /* - * In index mode, we want the largest buffer size, i.e. visual - * depth. Here, FBConfigs are sorted by increasing buffer size - * first, so FBConfigs with the largest size come last. - */ - - int bufferSizeMin, bufferSizeMax; - - /* Get bufferSizeMin. */ - result = - glXGetFBConfigAttrib( fgDisplay.Display, - fbconfigArray[0], - GLX_BUFFER_SIZE, - &bufferSizeMin ); - /* Get bufferSizeMax. */ - result = - glXGetFBConfigAttrib( fgDisplay.Display, - fbconfigArray[fbconfigArraySize - 1], - GLX_BUFFER_SIZE, - &bufferSizeMax ); - - if (bufferSizeMax > bufferSizeMin) - { - /* - * Free and reallocate fbconfigArray, keeping only FBConfigs - * with the largest buffer size. - */ - XFree(fbconfigArray); - - /* Add buffer size token at the end of the list. */ - where--; - ATTRIB_VAL( GLX_BUFFER_SIZE, bufferSizeMax ); - ATTRIB( None ); - - fbconfigArray = glXChooseFBConfig( fgDisplay.Display, - fgDisplay.Screen, - attributes, - &fbconfigArraySize ); - } - } - - /* - * We now have an array of FBConfigs, the first one being the "best" - * one. So we should return only this FBConfig: - * - * int fbconfigXID; - * - * - pick the XID of the FBConfig we want - * result = glXGetFBConfigAttrib( fgDisplay.Display, - * fbconfigArray[0], - * GLX_FBCONFIG_ID, - * &fbconfigXID ); - * - * - free the array - * XFree(fbconfigArray); - * - * - reset "attributes" with the XID - * where = 0; - * ATTRIB_VAL( GLX_FBCONFIG_ID, fbconfigXID ); - * ATTRIB( None ); - * - * - get our FBConfig only - * fbconfig = glXChooseFBConfig( fgDisplay.Display, - * fgDisplay.Screen, - * attributes, - * &fbconfigArraySize ); - * - * However, for some configurations (for instance multisampling with - * Mesa 6.5.2 and ATI drivers), this does not work: - * glXChooseFBConfig returns NULL, whereas fbconfigXID is a valid - * XID. Further investigation is needed. - * - * So, for now, we return the whole array of FBConfigs. This should - * not produce any side effects elsewhere. - */ - fbconfig = fbconfigArray; - } - else - { - fbconfig = NULL; - } - - if (numcfgs) - *numcfgs = fbconfigArraySize; - - return fbconfig; - } -} - - -static void fghFillContextAttributes( int *attributes ) { - int where = 0, contextFlags, contextProfile; - - if ( !fghIsLegacyContextVersionRequested() ) { - ATTRIB_VAL( GLX_CONTEXT_MAJOR_VERSION_ARB, fgState.MajorVersion ); - ATTRIB_VAL( GLX_CONTEXT_MINOR_VERSION_ARB, fgState.MinorVersion ); - } - - contextFlags = - fghMapBit( fgState.ContextFlags, GLUT_DEBUG, GLX_CONTEXT_DEBUG_BIT_ARB ) | - fghMapBit( fgState.ContextFlags, GLUT_FORWARD_COMPATIBLE, GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB ); - if ( contextFlags != 0 ) { - ATTRIB_VAL( GLX_CONTEXT_FLAGS_ARB, contextFlags ); - } - - contextProfile = - fghMapBit( fgState.ContextProfile, GLUT_CORE_PROFILE, GLX_CONTEXT_CORE_PROFILE_BIT_ARB ) | - fghMapBit( fgState.ContextProfile, GLUT_COMPATIBILITY_PROFILE, GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB ); - if ( contextProfile != 0 ) { - ATTRIB_VAL( GLX_CONTEXT_PROFILE_MASK_ARB, contextProfile ); - } - - ATTRIB( 0 ); -} - -typedef GLXContext (*CreateContextAttribsProc)(Display *dpy, GLXFBConfig config, - GLXContext share_list, Bool direct, - const int *attrib_list); - -static GLXContext fghCreateNewContext( SFG_Window* window ) -{ - /* for color model calculation */ - int menu = ( window->IsMenu && !fgStructure.MenuContext ); - int index_mode = ( fgState.DisplayMode & GLUT_INDEX ); - - /* "classic" context creation */ - Display *dpy = fgDisplay.Display; - GLXFBConfig config = *(window->Window.FBConfig); - int render_type = ( !menu && index_mode ) ? GLX_COLOR_INDEX_TYPE : GLX_RGBA_TYPE; - GLXContext share_list = NULL; - Bool direct = ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT ); - GLXContext context; - - /* new context creation */ - int attributes[9]; - CreateContextAttribsProc createContextAttribs = (CreateContextAttribsProc) fghGetProcAddress( "glXCreateContextAttribsARB" ); - - /* glXCreateContextAttribsARB not found, yet the user has requested the new context creation */ - if ( !createContextAttribs && !fghIsLegacyContextRequested() ) { - fgWarning( "OpenGL >2.1 context requested but glXCreateContextAttribsARB is not available! Falling back to legacy context creation" ); - fgState.MajorVersion = 2; - fgState.MinorVersion = 1; - } - - /* If nothing fancy has been required, simply use the old context creation GLX API entry */ - if ( fghIsLegacyContextRequested() || !createContextAttribs ) - { - context = glXCreateNewContext( dpy, config, render_type, share_list, direct ); - if ( context == NULL ) { - fghContextCreationError(); - } - return context; - } - - /* color index mode is not available anymore with OpenGL 3.0 */ - if ( render_type == GLX_COLOR_INDEX_TYPE ) { - fgWarning( "color index mode is deprecated, using RGBA mode" ); - } - - fghFillContextAttributes( attributes ); - - context = createContextAttribs( dpy, config, share_list, direct, attributes ); - if ( context == NULL ) { - fghContextCreationError(); - } - return context; -} - - -#define _NET_WM_STATE_TOGGLE 2 -static int fghResizeFullscrToggle(void) -{ - XWindowAttributes attributes; - - if(glutGet(GLUT_FULL_SCREEN)) { - /* restore original window size */ - SFG_Window *win = fgStructure.CurrentWindow; - fgStructure.CurrentWindow->State.NeedToResize = GL_TRUE; - fgStructure.CurrentWindow->State.Width = win->State.OldWidth; - fgStructure.CurrentWindow->State.Height = win->State.OldHeight; - - } else { - /* resize the window to cover the entire screen */ - XGetWindowAttributes(fgDisplay.Display, - fgStructure.CurrentWindow->Window.Handle, - &attributes); - - /* - * The "x" and "y" members of "attributes" are the window's coordinates - * relative to its parent, i.e. to the decoration window. - */ - XMoveResizeWindow(fgDisplay.Display, - fgStructure.CurrentWindow->Window.Handle, - -attributes.x, - -attributes.y, - fgDisplay.ScreenWidth, - fgDisplay.ScreenHeight); - } - return 0; -} - -static int fghEwmhFullscrToggle(void) -{ - XEvent xev; - long evmask = SubstructureRedirectMask | SubstructureNotifyMask; - - if(!fgDisplay.State || !fgDisplay.StateFullScreen) { - return -1; - } - - xev.type = ClientMessage; - xev.xclient.window = fgStructure.CurrentWindow->Window.Handle; - xev.xclient.message_type = fgDisplay.State; - xev.xclient.format = 32; - xev.xclient.data.l[0] = _NET_WM_STATE_TOGGLE; - xev.xclient.data.l[1] = fgDisplay.StateFullScreen; - xev.xclient.data.l[2] = 0; /* no second property to toggle */ - xev.xclient.data.l[3] = 1; /* source indication: application */ - xev.xclient.data.l[4] = 0; /* unused */ - - if(!XSendEvent(fgDisplay.Display, fgDisplay.RootWindow, 0, evmask, &xev)) { - return -1; - } - return 0; -} - -static int fghToggleFullscreen(void) -{ - /* first try the EWMH (_NET_WM_STATE) method ... */ - if(fghEwmhFullscrToggle() != -1) { - return 0; - } - - /* fall back to resizing the window */ - if(fghResizeFullscrToggle() != -1) { - return 0; - } - return -1; -} - - -#endif /* TARGET_HOST_POSIX_X11 */ - - -#if TARGET_HOST_MS_WINDOWS -/* - * Setup the pixel format for a Win32 window - */ - -#if defined(_WIN32_WCE) -static wchar_t* fghWstrFromStr(const char* str) -{ - int i,len=strlen(str); - wchar_t* wstr = (wchar_t*)malloc(2*len+2); - for(i=0; iWindow.Device, window->Window.Context ); - - if ( !fghIsExtensionSupported( window->Window.Device, "WGL_ARB_create_context" ) ) - { - return; - } - - /* new context creation */ - fghFillContextAttributes( attributes ); - - wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC) wglGetProcAddress( "wglCreateContextAttribsARB" ); - if ( wglCreateContextAttribsARB == NULL ) - { - fgError( "wglCreateContextAttribsARB not found" ); - } - - context = wglCreateContextAttribsARB( window->Window.Device, 0, attributes ); - if ( context == NULL ) - { - fghContextCreationError(); - } - - wglMakeCurrent( NULL, NULL ); - wglDeleteContext( window->Window.Context ); - window->Window.Context = context; -} - -#if !defined(_WIN32_WCE) - -static void fghFillPFD( PIXELFORMATDESCRIPTOR *ppfd, HDC hdc, unsigned char layer_type ) -{ - int flags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL; - if ( fgState.DisplayMode & GLUT_DOUBLE ) { - flags |= PFD_DOUBLEBUFFER; - } - if ( fgState.DisplayMode & GLUT_STEREO ) { - flags |= PFD_STEREO; - } - -#if defined(_MSC_VER) -#pragma message( "fgSetupPixelFormat(): there is still some work to do here!" ) -#endif - - /* Specify which pixel format do we opt for... */ - ppfd->nSize = sizeof(PIXELFORMATDESCRIPTOR); - ppfd->nVersion = 1; - ppfd->dwFlags = flags; - - if( fgState.DisplayMode & GLUT_INDEX ) { - ppfd->iPixelType = PFD_TYPE_COLORINDEX; - ppfd->cRedBits = 0; - ppfd->cGreenBits = 0; - ppfd->cBlueBits = 0; - ppfd->cAlphaBits = 0; - } else { - ppfd->iPixelType = PFD_TYPE_RGBA; - ppfd->cRedBits = 8; - ppfd->cGreenBits = 8; - ppfd->cBlueBits = 8; - ppfd->cAlphaBits = ( fgState.DisplayMode & GLUT_ALPHA ) ? 8 : 0; - } - - ppfd->cColorBits = 24; - ppfd->cRedShift = 0; - ppfd->cGreenShift = 0; - ppfd->cBlueShift = 0; - ppfd->cAlphaShift = 0; - ppfd->cAccumBits = ( fgState.DisplayMode & GLUT_ACCUM ) ? 1 : 0; - ppfd->cAccumRedBits = 0; - ppfd->cAccumGreenBits = 0; - ppfd->cAccumBlueBits = 0; - ppfd->cAccumAlphaBits = 0; - - /* Hmmm, or 32/0 instead of 24/8? */ - ppfd->cDepthBits = 24; - ppfd->cStencilBits = 8; - - ppfd->cAuxBuffers = fghNumberOfAuxBuffersRequested(); - ppfd->iLayerType = layer_type; - ppfd->bReserved = 0; - ppfd->dwLayerMask = 0; - ppfd->dwVisibleMask = 0; - ppfd->dwDamageMask = 0; - - ppfd->cColorBits = (BYTE) GetDeviceCaps( hdc, BITSPIXEL ); -} - -static void fghFillPixelFormatAttributes( int *attributes, const PIXELFORMATDESCRIPTOR *ppfd ) -{ - int where = 0; - - ATTRIB_VAL( WGL_DRAW_TO_WINDOW_ARB, GL_TRUE ); - ATTRIB_VAL( WGL_SUPPORT_OPENGL_ARB, GL_TRUE ); - ATTRIB_VAL( WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB ); - - ATTRIB_VAL( WGL_COLOR_BITS_ARB, ppfd->cColorBits ); - ATTRIB_VAL( WGL_ALPHA_BITS_ARB, ppfd->cAlphaBits ); - ATTRIB_VAL( WGL_DEPTH_BITS_ARB, ppfd->cDepthBits ); - ATTRIB_VAL( WGL_STENCIL_BITS_ARB, ppfd->cStencilBits ); - - ATTRIB_VAL( WGL_DOUBLE_BUFFER_ARB, ( fgState.DisplayMode & GLUT_DOUBLE ) != 0 ); - - if ( fgState.DisplayMode & GLUT_SRGB ) { - ATTRIB_VAL( WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB, TRUE ); - } - - ATTRIB_VAL( WGL_SAMPLE_BUFFERS_ARB, GL_TRUE ); - ATTRIB_VAL( WGL_SAMPLES_ARB, fgState.SampleNumber ); - ATTRIB( 0 ); -} -#endif - -GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly, - unsigned char layer_type ) -{ -#if defined(_WIN32_WCE) - return GL_TRUE; -#else - PIXELFORMATDESCRIPTOR pfd; - PIXELFORMATDESCRIPTOR* ppfd = &pfd; - int pixelformat; - HDC current_hDC; - GLboolean success; - - if (checkOnly) - current_hDC = CreateDC(TEXT("DISPLAY"), NULL ,NULL ,NULL); - else - current_hDC = window->Window.Device; - - fghFillPFD( ppfd, current_hDC, layer_type ); - pixelformat = ChoosePixelFormat( current_hDC, ppfd ); - - /* windows hack for multismapling/sRGB */ - if ( ( fgState.DisplayMode & GLUT_MULTISAMPLE ) || - ( fgState.DisplayMode & GLUT_SRGB ) ) - { - HGLRC rc, rc_before=wglGetCurrentContext(); - HWND hWnd; - HDC hDC, hDC_before=wglGetCurrentDC(); - WNDCLASS wndCls; - - /* create a dummy window */ - ZeroMemory(&wndCls, sizeof(wndCls)); - wndCls.lpfnWndProc = DefWindowProc; - wndCls.hInstance = fgDisplay.Instance; - wndCls.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW; - wndCls.lpszClassName = _T("FREEGLUT_dummy"); - RegisterClass( &wndCls ); - - hWnd=CreateWindow(_T("FREEGLUT_dummy"), _T(""), WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW , 0,0,0,0, 0, 0, fgDisplay.Instance, 0 ); - hDC=GetDC(hWnd); - SetPixelFormat( hDC, pixelformat, ppfd ); - - rc = wglCreateContext( hDC ); - wglMakeCurrent(hDC, rc); - - if ( fghIsExtensionSupported( hDC, "WGL_ARB_multisample" ) ) - { - PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARBProc = - (PFNWGLCHOOSEPIXELFORMATARBPROC) wglGetProcAddress("wglChoosePixelFormatARB"); - if ( wglChoosePixelFormatARBProc ) - { - int attributes[100]; - int iPixelFormat; - BOOL bValid; - float fAttributes[] = { 0, 0 }; - UINT numFormats; - fghFillPixelFormatAttributes( attributes, ppfd ); - bValid = wglChoosePixelFormatARBProc(hDC, attributes, fAttributes, 1, &iPixelFormat, &numFormats); - - if ( bValid && numFormats > 0 ) - { - pixelformat = iPixelFormat; - } - } - } - - wglMakeCurrent( hDC_before, rc_before); - wglDeleteContext(rc); - ReleaseDC(hWnd, hDC); - DestroyWindow(hWnd); - UnregisterClass(_T("FREEGLUT_dummy"), fgDisplay.Instance); - } - - success = ( pixelformat != 0 ) && ( checkOnly || SetPixelFormat( current_hDC, pixelformat, ppfd ) ); - - if (checkOnly) - DeleteDC(current_hDC); - - return success; -#endif /* defined(_WIN32_WCE) */ -} - -#endif /* TARGET_HOST_MS_WINDOWS */ - -/* - * Sets the OpenGL context and the fgStructure "Current Window" pointer to - * the window structure passed in. - */ -void fgSetWindow ( SFG_Window *window ) -{ -#if TARGET_HOST_POSIX_X11 - if ( window ) - { - glXMakeContextCurrent( - fgDisplay.Display, - window->Window.Handle, - window->Window.Handle, - window->Window.Context - ); - } -#elif TARGET_HOST_MS_WINDOWS - if ( window != fgStructure.CurrentWindow ) - { - if( fgStructure.CurrentWindow ) - ReleaseDC( fgStructure.CurrentWindow->Window.Handle, - fgStructure.CurrentWindow->Window.Device ); - - if ( window ) - { - window->Window.Device = GetDC( window->Window.Handle ); - wglMakeCurrent( - window->Window.Device, - window->Window.Context - ); - } - } -#endif - fgStructure.CurrentWindow = window; -} - -#if TARGET_HOST_MS_WINDOWS - -/* Computes position of corners of window Rect (outer position including - * decorations) based on the provided client rect and based on the style - * of the window in question. - * If posIsOutside is set to true, the input client Rect is taken to follow - * freeGLUT's window specification convention in which the top-left corner - * is at the outside of the window, while the size - * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable - * area. - */ -void fghComputeWindowRectFromClientArea_UseStyle( const DWORD windowStyle, RECT *clientRect, BOOL posIsOutside ) -{ - int xBorderWidth = 0, yBorderWidth = 0; - - /* If window has title bar, correct rect for it */ - if (windowStyle & WS_MAXIMIZEBOX) /* Need to query for WS_MAXIMIZEBOX to see if we have a title bar, the WS_CAPTION query is also true for a WS_DLGFRAME only... */ - if (posIsOutside) - clientRect->bottom += GetSystemMetrics( SM_CYCAPTION ); - else - clientRect->top -= GetSystemMetrics( SM_CYCAPTION ); - - /* get width of window's borders (frame), correct rect for it. - * Note, borders can be of zero width if style does not specify borders - */ - fghGetBorderWidth(windowStyle, &xBorderWidth, &yBorderWidth); - if (posIsOutside) - { - clientRect->right += xBorderWidth * 2; - clientRect->bottom += yBorderWidth * 2; - } - else - { - clientRect->left -= xBorderWidth; - clientRect->right += xBorderWidth; - clientRect->top -= yBorderWidth; - clientRect->bottom += yBorderWidth; - } -} - -/* Computes position of corners of window Rect (outer position including - * decorations) based on the provided client rect and based on the style - * of the window in question. If the window pointer or the window handle - * is NULL, a fully decorated window (caption and border) is assumed. - * Furthermore, if posIsOutside is set to true, the input client Rect is - * taken to follow freeGLUT's window specification convention in which the - * top-left corner is at the outside of the window, while the size - * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable - * area. -*/ -void fghComputeWindowRectFromClientArea_QueryWindow( const SFG_Window *window, RECT *clientRect, BOOL posIsOutside ) -{ - DWORD windowStyle = 0; - - if (window && window->Window.Handle) - windowStyle = GetWindowLong(window->Window.Handle, GWL_STYLE); - else - windowStyle = WS_OVERLAPPEDWINDOW; - - fghComputeWindowRectFromClientArea_UseStyle(windowStyle, clientRect, posIsOutside); -} - -/* Computes position of corners of client area (drawable area) of a window - * based on the provided window Rect (outer position including decorations) - * and based on the style of the window in question. If the window pointer - * or the window handle is NULL, a fully decorated window (caption and - * border) is assumed. - * Furthermore, if wantPosOutside is set to true, the output client Rect - * will follow freeGLUT's window specification convention in which the - * top-left corner is at the outside of the window, the size - * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable - * area. - */ -void fghComputeClientAreaFromWindowRect( const SFG_Window *window, RECT *windowRect, BOOL wantPosOutside ) -{ - DWORD windowStyle = 0; - int xBorderWidth = 0, yBorderWidth = 0; - - if (window && window->Window.Handle) - windowStyle = GetWindowLong(window->Window.Handle, GWL_STYLE); - else - windowStyle = WS_OVERLAPPEDWINDOW; - - /* If window has title bar, correct rect for it */ - if (windowStyle & WS_MAXIMIZEBOX) /* Need to query for WS_MAXIMIZEBOX to see if we have a title bar, the WS_CAPTION query is also true for a WS_DLGFRAME only... */ - if (wantPosOutside) - windowRect->bottom -= GetSystemMetrics( SM_CYCAPTION ); - else - windowRect->top += GetSystemMetrics( SM_CYCAPTION ); - - /* get width of window's borders (frame), correct rect for it. - * Note, borders can be of zero width if style does not specify borders - */ - fghGetBorderWidth(windowStyle, &xBorderWidth, &yBorderWidth); - if (wantPosOutside) - { - windowRect->right -= xBorderWidth * 2; - windowRect->bottom -= yBorderWidth * 2; - } - else - { - windowRect->left += xBorderWidth; - windowRect->right -= xBorderWidth; - windowRect->top += yBorderWidth; - windowRect->bottom -= yBorderWidth; - } -} - -/* Gets the rect describing the client area (drawable area) of the - * specified window. - * Returns an empty rect if window pointer or window handle is NULL. - * If wantPosOutside is set to true, the output client Rect - * will follow freeGLUT's window specification convention in which the - * top-left corner is at the outside of the window, while the size - * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable - * area. - */ -RECT fghGetClientArea( const SFG_Window *window, BOOL wantPosOutside ) -{ - RECT windowRect = {0,0,0,0}; - - freeglut_return_val_if_fail((window && window->Window.Handle),windowRect); - - /* - * call GetWindowRect() - * (this returns the pixel coordinates of the outside of the window) - */ - GetWindowRect( window->Window.Handle, &windowRect ); - - /* Then correct the results */ - fghComputeClientAreaFromWindowRect(window, &windowRect, wantPosOutside); - - return windowRect; -} - -/* Returns the width of the window borders based on the window's style. - */ -void fghGetBorderWidth(const DWORD windowStyle, int* xBorderWidth, int* yBorderWidth) -{ - if (windowStyle & WS_THICKFRAME) - { - *xBorderWidth = GetSystemMetrics(SM_CXSIZEFRAME); - *yBorderWidth = GetSystemMetrics(SM_CYSIZEFRAME); - } - else if (windowStyle & WS_DLGFRAME) - { - *xBorderWidth = GetSystemMetrics(SM_CXFIXEDFRAME); - *yBorderWidth = GetSystemMetrics(SM_CYFIXEDFRAME); - } - else - { - *xBorderWidth = 0; - *yBorderWidth = 0; - } -} - -#if(WINVER >= 0x500) -typedef struct -{ - int *x; - int *y; - const char *name; -} m_proc_t; - -static BOOL CALLBACK m_proc(HMONITOR mon, - HDC hdc, - LPRECT rect, - LPARAM data) -{ - m_proc_t *dp=(m_proc_t *)data; - MONITORINFOEX info; - BOOL res; - info.cbSize=sizeof(info); - res=GetMonitorInfo(mon,(LPMONITORINFO)&info); - if( res ) - { - if( strcmp(dp->name,info.szDevice)==0 ) - { - *(dp->x)=info.rcMonitor.left; - *(dp->y)=info.rcMonitor.top; - return FALSE; - } - } - return TRUE; -} - -/* - * this function returns the origin of the screen identified by - * fgDisplay.DisplayName, and 0 otherwise. - * This is used in fgOpenWindow to open the gamemode window on the screen - * identified by the -display command line argument. The function should - * not be called otherwise. - */ - -static void get_display_origin(int *xp,int *yp) -{ - *xp = 0; - *yp = 0; - - if( fgDisplay.DisplayName ) - { - m_proc_t st; - st.x=xp; - st.y=yp; - st.name=fgDisplay.DisplayName; - EnumDisplayMonitors(0,0,m_proc,(LPARAM)&st); - } -} -#else -#pragma message( "-display parameter only works if compiled with WINVER >= 0x0500") - -static void get_display_origin(int *xp,int *yp) -{ - *xp = 0; - *yp = 0; - - if( fgDisplay.DisplayName ) - { - fgWarning( "for working -display support FreeGLUT must be compiled with WINVER >= 0x0500"); - } -} -#endif -#endif - - -#if TARGET_HOST_POSIX_X11 -static Bool fghWindowIsVisible( Display *display, XEvent *event, XPointer arg) -{ - Window window = (Window)arg; - return (event->type == MapNotify) && (event->xmap.window == window); -} -#endif - - -/* - * Opens a window. Requires a SFG_Window object created and attached - * to the freeglut structure. OpenGL context is created here. - */ -void fgOpenWindow( SFG_Window* window, const char* title, - GLboolean positionUse, int x, int y, - GLboolean sizeUse, int w, int h, - GLboolean gameMode, GLboolean isSubWindow ) -{ -#if TARGET_HOST_POSIX_X11 - XVisualInfo * visualInfo = NULL; - XSetWindowAttributes winAttr; - XTextProperty textProperty; - XSizeHints sizeHints; - XWMHints wmHints; - XEvent eventReturnBuffer; /* return buffer required for a call */ - unsigned long mask; - int num_FBConfigs, i; - unsigned int current_DisplayMode = fgState.DisplayMode ; - - /* Save the display mode if we are creating a menu window */ - if( window->IsMenu && ( ! fgStructure.MenuContext ) ) - fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB ; - - window->Window.FBConfig = fgChooseFBConfig( &num_FBConfigs ); - - if( window->IsMenu && ( ! fgStructure.MenuContext ) ) - fgState.DisplayMode = current_DisplayMode ; - - if( ! window->Window.FBConfig ) - { - /* - * The "fgChooseFBConfig" returned a null meaning that the visual - * context is not available. - * Try a couple of variations to see if they will work. - */ - if( !( fgState.DisplayMode & GLUT_DOUBLE ) ) - { - fgState.DisplayMode |= GLUT_DOUBLE ; - window->Window.FBConfig = fgChooseFBConfig( &num_FBConfigs ); - fgState.DisplayMode &= ~GLUT_DOUBLE; - } - - if( fgState.DisplayMode & GLUT_MULTISAMPLE ) - { - fgState.DisplayMode &= ~GLUT_MULTISAMPLE ; - window->Window.FBConfig = fgChooseFBConfig( &num_FBConfigs ); - fgState.DisplayMode |= GLUT_MULTISAMPLE; - } - } - - FREEGLUT_INTERNAL_ERROR_EXIT( window->Window.FBConfig != NULL, - "FBConfig with necessary capabilities not found", "fgOpenWindow" ); - - /* Get the X visual. */ - for (i = 0; i < num_FBConfigs; i++) { - visualInfo = glXGetVisualFromFBConfig( fgDisplay.Display, - window->Window.FBConfig[i] ); - if (visualInfo) - break; - } - - FREEGLUT_INTERNAL_ERROR_EXIT( visualInfo != NULL, - "visualInfo could not be retrieved from FBConfig", "fgOpenWindow" ); - - /* - * XXX HINT: the masks should be updated when adding/removing callbacks. - * XXX This might speed up message processing. Is that true? - * XXX - * XXX A: Not appreciably, but it WILL make it easier to debug. - * XXX Try tracing old GLUT and try tracing freeglut. Old GLUT - * XXX turns off events that it doesn't need and is a whole lot - * XXX more pleasant to trace. (Think mouse-motion! Tons of - * XXX ``bonus'' GUI events stream in.) - */ - winAttr.event_mask = - StructureNotifyMask | SubstructureNotifyMask | ExposureMask | - ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask | - VisibilityChangeMask | EnterWindowMask | LeaveWindowMask | - PointerMotionMask | ButtonMotionMask; - winAttr.background_pixmap = None; - winAttr.background_pixel = 0; - winAttr.border_pixel = 0; - - winAttr.colormap = XCreateColormap( - fgDisplay.Display, fgDisplay.RootWindow, - visualInfo->visual, AllocNone - ); - - mask = CWBackPixmap | CWBorderPixel | CWColormap | CWEventMask; - - if( window->IsMenu || ( gameMode == GL_TRUE ) ) - { - winAttr.override_redirect = True; - mask |= CWOverrideRedirect; - } - - if( ! positionUse ) - x = y = -1; /* default window position */ - if( ! sizeUse ) - w = h = 300; /* default window size */ - - window->Window.Handle = XCreateWindow( - fgDisplay.Display, - window->Parent == NULL ? fgDisplay.RootWindow : - window->Parent->Window.Handle, - x, y, w, h, 0, - visualInfo->depth, InputOutput, - visualInfo->visual, mask, - &winAttr - ); - - /* - * The GLX context creation, possibly trying the direct context rendering - * or else use the current context if the user has so specified - */ - - if( window->IsMenu ) - { - /* - * If there isn't already an OpenGL rendering context for menu - * windows, make one - */ - if( !fgStructure.MenuContext ) - { - fgStructure.MenuContext = - (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) ); - fgStructure.MenuContext->MContext = fghCreateNewContext( window ); - } - - /* window->Window.Context = fgStructure.MenuContext->MContext; */ - window->Window.Context = fghCreateNewContext( window ); - } - else if( fgState.UseCurrentContext ) - { - window->Window.Context = glXGetCurrentContext( ); - - if( ! window->Window.Context ) - window->Window.Context = fghCreateNewContext( window ); - } - else - window->Window.Context = fghCreateNewContext( window ); - -#if !defined( __FreeBSD__ ) && !defined( __NetBSD__ ) - if( !glXIsDirect( fgDisplay.Display, window->Window.Context ) ) - { - if( fgState.DirectContext == GLUT_FORCE_DIRECT_CONTEXT ) - fgError( "Unable to force direct context rendering for window '%s'", - title ); - } -#endif - - /* - * XXX Assume the new window is visible by default - * XXX Is this a safe assumption? - */ - window->State.Visible = GL_TRUE; - - sizeHints.flags = 0; - if ( positionUse ) - sizeHints.flags |= USPosition; - if ( sizeUse ) - sizeHints.flags |= USSize; - - /* - * Fill in the size hints values now (the x, y, width and height - * settings are obsolete, are there any more WMs that support them?) - * Unless the X servers actually stop supporting these, we should - * continue to fill them in. It is *not* our place to tell the user - * that they should replace a window manager that they like, and which - * works, just because *we* think that it's not "modern" enough. - */ - sizeHints.x = x; - sizeHints.y = y; - sizeHints.width = w; - sizeHints.height = h; - - wmHints.flags = StateHint; - wmHints.initial_state = fgState.ForceIconic ? IconicState : NormalState; - /* Prepare the window and iconified window names... */ - XStringListToTextProperty( (char **) &title, 1, &textProperty ); - - XSetWMProperties( - fgDisplay.Display, - window->Window.Handle, - &textProperty, - &textProperty, - 0, - 0, - &sizeHints, - &wmHints, - NULL - ); - XFree( textProperty.value ); - - XSetWMProtocols( fgDisplay.Display, window->Window.Handle, - &fgDisplay.DeleteWindow, 1 ); - - glXMakeContextCurrent( - fgDisplay.Display, - window->Window.Handle, - window->Window.Handle, - window->Window.Context - ); - - /* register extension events _before_ window is mapped */ - #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H - fgRegisterDevices( fgDisplay.Display, &(window->Window.Handle) ); - #endif - - XMapWindow( fgDisplay.Display, window->Window.Handle ); - - XFree(visualInfo); - - if( !isSubWindow) - XPeekIfEvent( fgDisplay.Display, &eventReturnBuffer, &fghWindowIsVisible, (XPointer)(window->Window.Handle) ); - -#elif TARGET_HOST_MS_WINDOWS - - WNDCLASS wc; - DWORD flags = 0; - DWORD exFlags = 0; - ATOM atom; - - /* Grab the window class we have registered on glutInit(): */ - atom = GetClassInfo( fgDisplay.Instance, _T("FREEGLUT"), &wc ); - FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Info Not Found", - "fgOpenWindow" ); - - /* Determine window style flags*/ - if( gameMode ) - { - FREEGLUT_INTERNAL_ERROR_EXIT ( window->Parent == NULL, - "Game mode being invoked on a subwindow", - "fgOpenWindow" ); - - /* - * Set the window creation flags appropriately to make the window - * entirely visible: - */ - flags = WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE; - } - else - { - flags = WS_CLIPSIBLINGS | WS_CLIPCHILDREN; - - /* - * There's a small difference between creating the top, child and - * menu windows - */ - if ( window->IsMenu ) - { - flags |= WS_POPUP; - exFlags |= WS_EX_TOOLWINDOW; - } -#if defined(_WIN32_WCE) - /* no decorations for windows CE */ -#else - /* if this is not a subwindow (child), set its style based on the requested display mode */ - else if( window->Parent == NULL ) - if ( fgState.DisplayMode & GLUT_BORDERLESS ) - { - /* no window decorations needed */ - } - else if ( fgState.DisplayMode & GLUT_CAPTIONLESS ) - /* only window decoration is a border, no title bar or buttons */ - flags |= WS_DLGFRAME; - else - /* window decoration are a border, title bar and buttons. - * NB: we later query whether the window has a title bar or - * not by testing for the maximize button, as the test for - * WS_CAPTION can be true without the window having a title - * bar. This style WS_OVERLAPPEDWINDOW gives you a maximize - * button. */ - flags |= WS_OVERLAPPEDWINDOW; -#endif - else - /* subwindows always have no decoration, but are marked as a child window to the OS */ - flags |= WS_CHILD; - } - - /* determine window size and position */ - if( gameMode ) - { - /* if in gamemode, query the origin of specified by the -display - * command line parameter (if any) and offset the upper-left corner - * of the window so we create the window on that screen. - * The -display argument doesn't do anything if not trying to enter - * gamemode. - */ - int xoff=0, yoff=0; - get_display_origin(&xoff,&yoff); - x += xoff; - y += yoff; - } - if( !positionUse ) - { - x = CW_USEDEFAULT; - y = CW_USEDEFAULT; - } - if( !sizeUse ) - { - if( ! window->IsMenu ) - { - w = CW_USEDEFAULT; - h = CW_USEDEFAULT; - } - else /* fail safe - Windows can make a window of size (0, 0) */ - w = h = 300; /* default window size */ - } - /* store requested client area width and height */ - window->State.Width = w; - window->State.Height = h; - -#if !defined(_WIN32_WCE) /* no decorations for windows CE */ - if( sizeUse ) - { - RECT windowRect; - /* - * Update the window dimensions, taking the window decorations - * into account. FreeGLUT is to create the window with the - * topleft outside corner at (x,y) and with client area - * dimensions (w,h). - * note: don't need to do this when w=h=CW_USEDEFAULT, so in the - * if( sizeUse ) here is convenient. - */ - windowRect.left = x; - windowRect.top = y; - windowRect.right = x+w; - windowRect.bottom = y+h; - - fghComputeWindowRectFromClientArea_UseStyle(flags,&windowRect,TRUE); - - w = windowRect.right - windowRect.left; - h = windowRect.bottom- windowRect.top; - } -#endif /* !defined(_WIN32_WCE) */ - -#if defined(_WIN32_WCE) - { - wchar_t* wstr = fghWstrFromStr(title); - - window->Window.Handle = CreateWindow( - _T("FREEGLUT"), - wstr, - WS_VISIBLE | WS_POPUP, - 0,0, 240,320, - NULL, - NULL, - fgDisplay.Instance, - (LPVOID) window - ); - - free(wstr); - - SHFullScreen(window->Window.Handle, SHFS_HIDESTARTICON); - SHFullScreen(window->Window.Handle, SHFS_HIDESIPBUTTON); - SHFullScreen(window->Window.Handle, SHFS_HIDETASKBAR); - MoveWindow(window->Window.Handle, 0, 0, 240, 320, TRUE); - ShowWindow(window->Window.Handle, SW_SHOW); - UpdateWindow(window->Window.Handle); - } -#else - window->Window.Handle = CreateWindowEx( - exFlags, - _T("FREEGLUT"), - title, - flags, - x, y, w, h, - (HWND) window->Parent == NULL ? NULL : window->Parent->Window.Handle, - (HMENU) NULL, - fgDisplay.Instance, - (LPVOID) window - ); -#endif /* defined(_WIN32_WCE) */ - - if( !( window->Window.Handle ) ) - fgError( "Failed to create a window (%s)!", title ); - -#if !defined(_WIN32_WCE) - /* Need to set requested style again, apparently Windows doesn't listen when requesting windows without title bar or borders */ - SetWindowLong(window->Window.Handle, GWL_STYLE, flags); - SetWindowPos(window->Window.Handle, HWND_TOP, 0,0,0,0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED); -#endif /* defined(_WIN32_WCE) */ - - /* Make a menu window always on top - fix Feature Request 947118 */ - if( window->IsMenu || gameMode ) - SetWindowPos( - window->Window.Handle, - HWND_TOPMOST, - 0, 0, 0, 0, - SWP_NOMOVE | SWP_NOSIZE - ); - - /* Enable multitouch: additional flag TWF_FINETOUCH, TWF_WANTPALM */ - #ifdef WM_TOUCH - if (fghRegisterTouchWindow == (pRegisterTouchWindow)0xDEADBEEF) - fghRegisterTouchWindow = (pRegisterTouchWindow)GetProcAddress(GetModuleHandle("user32"),"RegisterTouchWindow"); - if (fghRegisterTouchWindow) - fghRegisterTouchWindow( window->Window.Handle, TWF_FINETOUCH | TWF_WANTPALM ); - #endif - -#if defined(_WIN32_WCE) - ShowWindow( window->Window.Handle, SW_SHOW ); -#else - ShowWindow( window->Window.Handle, - fgState.ForceIconic ? SW_SHOWMINIMIZED : SW_SHOW ); -#endif /* defined(_WIN32_WCE) */ - - UpdateWindow( window->Window.Handle ); - ShowCursor( TRUE ); /* XXX Old comments say "hide cursor"! */ - -#endif - - fgSetWindow( window ); - - window->Window.DoubleBuffered = - ( fgState.DisplayMode & GLUT_DOUBLE ) ? 1 : 0; - - if ( ! window->Window.DoubleBuffered ) - { - glDrawBuffer ( GL_FRONT ); - glReadBuffer ( GL_FRONT ); - } -} - -/* - * Closes a window, destroying the frame and OpenGL context - */ -void fgCloseWindow( SFG_Window* window ) -{ - /* if we're in gamemode and we're closing the gamemode window, - * call glutLeaveGameMode first to make sure the gamemode is - * properly closed before closing the window - */ - if (fgStructure.GameModeWindow != NULL && fgStructure.GameModeWindow->ID==window->ID) - glutLeaveGameMode(); - -#if TARGET_HOST_POSIX_X11 - - if( window->Window.Context ) - glXDestroyContext( fgDisplay.Display, window->Window.Context ); - XFree( window->Window.FBConfig ); - - if( window->Window.Handle ) { - XDestroyWindow( fgDisplay.Display, window->Window.Handle ); - } - /* XFlush( fgDisplay.Display ); */ /* XXX Shouldn't need this */ - -#elif TARGET_HOST_MS_WINDOWS - - /* Make sure we don't close a window with current context active */ - if( fgStructure.CurrentWindow == window ) - wglMakeCurrent( NULL, NULL ); - - /* - * Step through the list of windows. If the rendering context - * is not being used by another window, then we delete it. - */ - { - int used = FALSE ; - SFG_Window *iter ; - - for( iter = (SFG_Window *)fgStructure.Windows.First; - iter; - iter = (SFG_Window *)iter->Node.Next ) - { - if( ( iter->Window.Context == window->Window.Context ) && - ( iter != window ) ) - used = TRUE; - } - - if( ! used ) - wglDeleteContext( window->Window.Context ); - } - - DestroyWindow( window->Window.Handle ); -#endif -} - - -/* -- INTERFACE FUNCTIONS -------------------------------------------------- */ - -/* - * Creates a new top-level freeglut window - */ -int FGAPIENTRY glutCreateWindow( const char* title ) -{ - /* XXX GLUT does not exit; it simply calls "glutInit" quietly if the - * XXX application has not already done so. The "freeglut" community - * XXX decided not to go this route (freeglut-developer e-mail from - * XXX Steve Baker, 12/16/04, 4:22 PM CST, "Re: [Freeglut-developer] - * XXX Desired 'freeglut' behaviour when there is no current window" - */ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateWindow" ); - - return fgCreateWindow( NULL, title, fgState.Position.Use, - fgState.Position.X, fgState.Position.Y, - fgState.Size.Use, fgState.Size.X, fgState.Size.Y, - GL_FALSE, GL_FALSE )->ID; -} - -#if TARGET_HOST_MS_WINDOWS -int FGAPIENTRY __glutCreateWindowWithExit( const char *title, void (__cdecl *exit_function)(int) ) -{ - __glutExitFunc = exit_function; - return glutCreateWindow( title ); -} -#endif - -/* - * This function creates a sub window. - */ -int FGAPIENTRY glutCreateSubWindow( int parentID, int x, int y, int w, int h ) -{ - int ret = 0; - SFG_Window* window = NULL; - SFG_Window* parent = NULL; - - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateSubWindow" ); - parent = fgWindowByID( parentID ); - freeglut_return_val_if_fail( parent != NULL, 0 ); - if ( x < 0 ) - { - x = parent->State.Width + x ; - if ( w >= 0 ) x -= w ; - } - - if ( w < 0 ) w = parent->State.Width - x + w ; - if ( w < 0 ) - { - x += w ; - w = -w ; - } - - if ( y < 0 ) - { - y = parent->State.Height + y ; - if ( h >= 0 ) y -= h ; - } - - if ( h < 0 ) h = parent->State.Height - y + h ; - if ( h < 0 ) - { - y += h ; - h = -h ; - } - - window = fgCreateWindow( parent, "", GL_TRUE, x, y, GL_TRUE, w, h, GL_FALSE, GL_FALSE ); - ret = window->ID; - - return ret; -} - -/* - * Destroys a window and all of its subwindows - */ -void FGAPIENTRY glutDestroyWindow( int windowID ) -{ - SFG_Window* window; - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDestroyWindow" ); - window = fgWindowByID( windowID ); - freeglut_return_if_fail( window != NULL ); - { - fgExecutionState ExecState = fgState.ExecState; - fgAddToWindowDestroyList( window ); - fgState.ExecState = ExecState; - } -} - -/* - * This function selects the current window - */ -void FGAPIENTRY glutSetWindow( int ID ) -{ - SFG_Window* window = NULL; - - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindow" ); - if( fgStructure.CurrentWindow != NULL ) - if( fgStructure.CurrentWindow->ID == ID ) - return; - - window = fgWindowByID( ID ); - if( window == NULL ) - { - fgWarning( "glutSetWindow(): window ID %d not found!", ID ); - return; - } - - fgSetWindow( window ); -} - -/* - * This function returns the ID number of the current window, 0 if none exists - */ -int FGAPIENTRY glutGetWindow( void ) -{ - SFG_Window *win = fgStructure.CurrentWindow; - /* - * Since GLUT did not throw an error if this function was called without a prior call to - * "glutInit", this function shouldn't do so here. Instead let us return a zero. - * See Feature Request "[ 1307049 ] glutInit check". - */ - if ( ! fgState.Initialised ) - return 0; - - while ( win && win->IsMenu ) - win = win->Parent; - return win ? win->ID : 0; -} - -/* - * This function makes the current window visible - */ -void FGAPIENTRY glutShowWindow( void ) -{ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutShowWindow" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutShowWindow" ); - -#if TARGET_HOST_POSIX_X11 - - XMapWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle ); - XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ - -#elif TARGET_HOST_MS_WINDOWS - - ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_SHOW ); - -#endif - - fgStructure.CurrentWindow->State.Redisplay = GL_TRUE; -} - -/* - * This function hides the current window - */ -void FGAPIENTRY glutHideWindow( void ) -{ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutHideWindow" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutHideWindow" ); - -#if TARGET_HOST_POSIX_X11 - - if( fgStructure.CurrentWindow->Parent == NULL ) - XWithdrawWindow( fgDisplay.Display, - fgStructure.CurrentWindow->Window.Handle, - fgDisplay.Screen ); - else - XUnmapWindow( fgDisplay.Display, - fgStructure.CurrentWindow->Window.Handle ); - XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ - -#elif TARGET_HOST_MS_WINDOWS - - ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_HIDE ); - -#endif - - fgStructure.CurrentWindow->State.Redisplay = GL_FALSE; -} - -/* - * Iconify the current window (top-level windows only) - */ -void FGAPIENTRY glutIconifyWindow( void ) -{ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIconifyWindow" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutIconifyWindow" ); - - fgStructure.CurrentWindow->State.Visible = GL_FALSE; -#if TARGET_HOST_POSIX_X11 - - XIconifyWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle, - fgDisplay.Screen ); - XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ - -#elif TARGET_HOST_MS_WINDOWS - - ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_MINIMIZE ); - -#endif - - fgStructure.CurrentWindow->State.Redisplay = GL_FALSE; -} - -/* - * Set the current window's title - */ -void FGAPIENTRY glutSetWindowTitle( const char* title ) -{ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindowTitle" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetWindowTitle" ); - if( ! fgStructure.CurrentWindow->Parent ) - { -#if TARGET_HOST_POSIX_X11 - - XTextProperty text; - - text.value = (unsigned char *) title; - text.encoding = XA_STRING; - text.format = 8; - text.nitems = strlen( title ); - - XSetWMName( - fgDisplay.Display, - fgStructure.CurrentWindow->Window.Handle, - &text - ); - - XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ - -#elif TARGET_HOST_MS_WINDOWS -# ifdef _WIN32_WCE - { - wchar_t* wstr = fghWstrFromStr(title); - SetWindowText( fgStructure.CurrentWindow->Window.Handle, wstr ); - free(wstr); - } -# else - SetWindowText( fgStructure.CurrentWindow->Window.Handle, title ); -# endif - -#endif - } -} - -/* - * Set the current window's iconified title - */ -void FGAPIENTRY glutSetIconTitle( const char* title ) -{ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetIconTitle" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetIconTitle" ); - - if( ! fgStructure.CurrentWindow->Parent ) - { -#if TARGET_HOST_POSIX_X11 - - XTextProperty text; - - text.value = (unsigned char *) title; - text.encoding = XA_STRING; - text.format = 8; - text.nitems = strlen( title ); - - XSetWMIconName( - fgDisplay.Display, - fgStructure.CurrentWindow->Window.Handle, - &text - ); - - XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ - -#elif TARGET_HOST_MS_WINDOWS -# ifdef _WIN32_WCE - { - wchar_t* wstr = fghWstrFromStr(title); - SetWindowText( fgStructure.CurrentWindow->Window.Handle, wstr ); - free(wstr); - } -# else - SetWindowText( fgStructure.CurrentWindow->Window.Handle, title ); -# endif - -#endif - } -} - -/* - * Change the current window's size - */ -void FGAPIENTRY glutReshapeWindow( int width, int height ) -{ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeWindow" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutReshapeWindow" ); - - if (glutGet(GLUT_FULL_SCREEN)) - { - /* Leave full screen state before resizing. */ - glutLeaveFullScreen(); - } - - fgStructure.CurrentWindow->State.NeedToResize = GL_TRUE; - fgStructure.CurrentWindow->State.Width = width ; - fgStructure.CurrentWindow->State.Height = height; -} - -/* - * Change the current window's position - */ -void FGAPIENTRY glutPositionWindow( int x, int y ) -{ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPositionWindow" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPositionWindow" ); - - if (glutGet(GLUT_FULL_SCREEN)) - { - /* Leave full screen state before moving. */ - glutLeaveFullScreen(); - } - -#if TARGET_HOST_POSIX_X11 - - XMoveWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle, - x, y ); - XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ - -#elif TARGET_HOST_MS_WINDOWS - - { - RECT winRect; - - /* "GetWindowRect" returns the pixel coordinates of the outside of the window */ - GetWindowRect( fgStructure.CurrentWindow->Window.Handle, &winRect ); - MoveWindow( - fgStructure.CurrentWindow->Window.Handle, - x, - y, - winRect.right - winRect.left, - winRect.bottom - winRect.top, - TRUE - ); - } - -#endif -} - -/* - * Lowers the current window (by Z order change) - */ -void FGAPIENTRY glutPushWindow( void ) -{ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPushWindow" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPushWindow" ); - -#if TARGET_HOST_POSIX_X11 - - XLowerWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle ); - -#elif TARGET_HOST_MS_WINDOWS - - SetWindowPos( - fgStructure.CurrentWindow->Window.Handle, - HWND_BOTTOM, - 0, 0, 0, 0, - SWP_NOSIZE | SWP_NOMOVE - ); - -#endif -} - -/* - * Raises the current window (by Z order change) - */ -void FGAPIENTRY glutPopWindow( void ) -{ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPopWindow" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPopWindow" ); - -#if TARGET_HOST_POSIX_X11 - - XRaiseWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle ); - -#elif TARGET_HOST_MS_WINDOWS - - SetWindowPos( - fgStructure.CurrentWindow->Window.Handle, - HWND_TOP, - 0, 0, 0, 0, - SWP_NOSIZE | SWP_NOMOVE - ); - -#endif -} - -/* - * Resize the current window so that it fits the whole screen - */ -void FGAPIENTRY glutFullScreen( void ) -{ - SFG_Window *win; - - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFullScreen" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutFullScreen" ); - - win = fgStructure.CurrentWindow; - - if (win->Parent) - { - /* Child windows cannot be made fullscreen, consistent with GLUT's behavior - * Also, what would it mean for a child window to be fullscreen, given that it - * is confined to its parent? - */ - fgWarning("glutFullScreen called on a child window, ignoring..."); - return; - } - else if (fgStructure.GameModeWindow != NULL && fgStructure.GameModeWindow->ID==win->ID) - { - /* Ignore fullscreen call on GameMode window, those are always fullscreen already */ - return; - } - -#if TARGET_HOST_POSIX_X11 - if(!glutGet(GLUT_FULL_SCREEN)) { - if(fghToggleFullscreen() != -1) { - win->State.IsFullscreen = GL_TRUE; - } - } - -#elif TARGET_HOST_MS_WINDOWS && !defined(_WIN32_WCE) /* FIXME: what about WinCE */ - - if (glutGet(GLUT_FULL_SCREEN)) - { - /* Leave full screen state before entering fullscreen again (resizing?) */ - glutLeaveFullScreen(); - } - - { -#if(WINVER >= 0x0500) /* Windows 2000 or later */ - DWORD s; - RECT rect; - HMONITOR hMonitor; - MONITORINFO mi; - - /* For fullscreen mode, first remove all window decoration - * and set style to popup so it will overlap the taskbar - * then force to maximize on the screen on which it has the most - * overlap. - */ - - - /* store current window rect */ - GetWindowRect( win->Window.Handle, &win->State.OldRect ); - - /* store current window style */ - win->State.OldStyle = s = GetWindowLong(win->Window.Handle, GWL_STYLE); - - /* remove decorations from style and add popup style*/ - s &= ~WS_OVERLAPPEDWINDOW; - s |= WS_POPUP; - SetWindowLong(win->Window.Handle, GWL_STYLE, s); - SetWindowPos(win->Window.Handle, HWND_TOP, 0,0,0,0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED); - - /* For fullscreen mode, find the monitor that is covered the most - * by the window and get its rect as the resize target. - */ - hMonitor= MonitorFromRect(&win->State.OldRect, MONITOR_DEFAULTTONEAREST); - mi.cbSize = sizeof(mi); - GetMonitorInfo(hMonitor, &mi); - rect = mi.rcMonitor; -#else /* if (WINVER >= 0x0500) */ - RECT rect; - - /* For fullscreen mode, force the top-left corner to 0,0 - * and adjust the window rectangle so that the client area - * covers the whole screen. - */ - - rect.left = 0; - rect.top = 0; - rect.right = fgDisplay.ScreenWidth; - rect.bottom = fgDisplay.ScreenHeight; - - AdjustWindowRect ( &rect, WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | - WS_CLIPCHILDREN, FALSE ); -#endif /* (WINVER >= 0x0500) */ - - /* - * then resize window - * SWP_NOACTIVATE Do not activate the window - * SWP_NOOWNERZORDER Do not change position in z-order - * SWP_NOSENDCHANGING Suppress WM_WINDOWPOSCHANGING message - * SWP_NOZORDER Retains the current Z order (ignore 2nd param) - */ - SetWindowPos( fgStructure.CurrentWindow->Window.Handle, - HWND_TOP, - rect.left, - rect.top, - rect.right - rect.left, - rect.bottom - rect.top, - SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING | - SWP_NOZORDER - ); - - win->State.IsFullscreen = GL_TRUE; - } -#endif -} - -/* - * If we are fullscreen, resize the current window back to its original size - */ -void FGAPIENTRY glutLeaveFullScreen( void ) -{ - SFG_Window *win; - - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFullScreen" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutFullScreen" ); - - win = fgStructure.CurrentWindow; - -#if TARGET_HOST_POSIX_X11 - if(glutGet(GLUT_FULL_SCREEN)) { - if(fghToggleFullscreen() != -1) { - win->State.IsFullscreen = GL_FALSE; - } - } - -#elif TARGET_HOST_MS_WINDOWS && !defined(_WIN32_WCE) /* FIXME: what about WinCE */ - if (!glutGet(GLUT_FULL_SCREEN)) - { - /* nothing to do */ - return; - } - - /* restore style of window before making it fullscreen */ - SetWindowLong(win->Window.Handle, GWL_STYLE, win->State.OldStyle); - SetWindowPos(win->Window.Handle, HWND_TOP, 0,0,0,0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED); - - /* Then resize */ - SetWindowPos(win->Window.Handle, - HWND_TOP, - win->State.OldRect.left, - win->State.OldRect.top, - win->State.OldRect.right - win->State.OldRect.left, - win->State.OldRect.bottom - win->State.OldRect.top, - SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING | - SWP_NOZORDER - ); - - win->State.IsFullscreen = GL_FALSE; -#endif -} - -/* - * Toggle the window's full screen state. - */ -void FGAPIENTRY glutFullScreenToggle( void ) -{ - SFG_Window *win; - - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFullScreenToggle" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutFullScreenToggle" ); - - win = fgStructure.CurrentWindow; - -#if TARGET_HOST_POSIX_X11 - if(fghToggleFullscreen() != -1) { - win->State.IsFullscreen = !win->State.IsFullscreen; - } -#elif TARGET_HOST_MS_WINDOWS - if (!win->State.IsFullscreen) - glutFullScreen(); - else - glutLeaveFullScreen(); -#endif -} - -/* - * A.Donev: Set and retrieve the window's user data - */ -void* FGAPIENTRY glutGetWindowData( void ) -{ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetWindowData" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutGetWindowData" ); - return fgStructure.CurrentWindow->UserData; -} - -void FGAPIENTRY glutSetWindowData(void* data) -{ - FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindowData" ); - FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetWindowData" ); - fgStructure.CurrentWindow->UserData = data; -} - -/*** END OF FILE ***/