X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ffreeglut_window.c;h=69afdf8641a0e188896dbe8b9d00880d2645bd98;hb=fe573d6af98de430357a7321cd50f5e92e9a2aab;hp=ddbe695da2a13140011ebf38c9d8709cf706fe7c;hpb=34904da12798fd5b88442c816ac8dd7c41edcc33;p=freeglut diff --git a/src/freeglut_window.c b/src/freeglut_window.c index ddbe695..69afdf8 100644 --- a/src/freeglut_window.c +++ b/src/freeglut_window.c @@ -25,18 +25,16 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - #include #include "freeglut_internal.h" -#if TARGET_HOST_WINCE -#include -#pragma comment( lib, "Aygshell.lib" ) +#if defined(_WIN32_WCE) +# include +# ifdef FREEGLUT_LIB_PRAGMAS +# pragma comment( lib, "Aygshell.lib" ) +# endif -wchar_t* wstr_from_str(const char* str) +static wchar_t* fghWstrFromStr(const char* str) { int i,len=strlen(str); wchar_t* wstr = (wchar_t*)malloc(2*len+2); @@ -46,8 +44,7 @@ wchar_t* wstr_from_str(const char* str) return wstr; } - -#endif /* TARGET_HOST_WINCE */ +#endif /* defined(_WIN32_WCE) */ /* * TODO BEFORE THE STABLE RELEASE: @@ -77,7 +74,7 @@ wchar_t* wstr_from_str(const char* str) /* * Chooses a visual basing on the current display mode settings */ -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 XVisualInfo* fgChooseVisual( void ) { @@ -87,12 +84,10 @@ XVisualInfo* fgChooseVisual( void ) int attributes[ 32 ]; int where = 0; - /* - * First we have to process the display mode settings... - */ + /* First we have to process the display mode settings... */ /* - * Why is there a semi-colon in this #define? The code - * that uses the macro seems to always add more semicolons... + * XXX Why is there a semi-colon in this #define? The code + * XXX that uses the macro seems to always add more semicolons... */ #define ATTRIB(a) attributes[where++]=a; #define ATTRIB_VAL(a,v) {ATTRIB(a); ATTRIB(v);} @@ -133,9 +128,19 @@ XVisualInfo* fgChooseVisual( void ) ATTRIB_VAL( GLX_ACCUM_ALPHA_SIZE, 1 ); } - /* - * Push a null at the end of the list - */ + if( fgState.DisplayMode & GLUT_AUX1 ) + ATTRIB_VAL( GLX_AUX_BUFFERS, 1 ); + if( fgState.DisplayMode & GLUT_AUX2 ) + ATTRIB_VAL( GLX_AUX_BUFFERS, 2 ); + if( fgState.DisplayMode & GLUT_AUX3 ) + ATTRIB_VAL( GLX_AUX_BUFFERS, 3 ); + if( fgState.DisplayMode & GLUT_AUX4 ) + ATTRIB_VAL( GLX_AUX_BUFFERS, 4 ); + if ( fgState.DisplayMode & GLUT_MULTISAMPLE ) + ATTRIB_VAL( GLX_SAMPLES_SGIS, 4 ); + + + /* Push a null at the end of the list */ ATTRIB( None ); if( ! wantIndexedMode ) @@ -167,11 +172,34 @@ XVisualInfo* fgChooseVisual( void ) /* * Setup the pixel format for a Win32 window */ -#if TARGET_HOST_WIN32 +#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 + + GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly, unsigned char layer_type ) { -#if TARGET_HOST_WINCE +#if defined(_WIN32_WCE) return GL_TRUE; #else PIXELFORMATDESCRIPTOR* ppfd, pfd; @@ -182,25 +210,42 @@ GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly, 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... - */ + /* Specify which pixel format do we opt for... */ pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); pfd.nVersion = 1; pfd.dwFlags = flags; - pfd.iPixelType = PFD_TYPE_RGBA; + + if( fgState.DisplayMode & GLUT_INDEX ) + { + pfd.iPixelType = PFD_TYPE_COLORINDEX; + pfd.cRedBits = 0; + pfd.cGreenBits = 0; + pfd.cBlueBits = 0; + pfd.cAlphaBits = 0; + } + else + { + pfd.iPixelType = PFD_TYPE_RGBA; + pfd.cRedBits = 8; + pfd.cGreenBits = 8; + pfd.cBlueBits = 8; + if ( fgState.DisplayMode & GLUT_ALPHA ) + pfd.cAlphaBits = 8; + else + pfd.cAlphaBits = 0; + } + pfd.cColorBits = 24; - pfd.cRedBits = 0; pfd.cRedShift = 0; - pfd.cGreenBits = 0; pfd.cGreenShift = 0; - pfd.cBlueBits = 0; pfd.cBlueShift = 0; - pfd.cAlphaBits = 0; pfd.cAlphaShift = 0; pfd.cAccumBits = 0; pfd.cAccumRedBits = 0; @@ -214,7 +259,17 @@ GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly, pfd.cDepthBits = 24; pfd.cStencilBits = 8; #endif - pfd.cAuxBuffers = 0; + if( fgState.DisplayMode & GLUT_AUX4 ) + pfd.cAuxBuffers = 4; + else if( fgState.DisplayMode & GLUT_AUX3 ) + pfd.cAuxBuffers = 3; + else if( fgState.DisplayMode & GLUT_AUX2 ) + pfd.cAuxBuffers = 2; + else if( fgState.DisplayMode & GLUT_AUX1 ) + pfd.cAuxBuffers = 1; + else + pfd.cAuxBuffers = 0; + pfd.iLayerType = layer_type; pfd.bReserved = 0; pfd.dwLayerMask = 0; @@ -225,15 +280,89 @@ GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly, ppfd = &pfd; pixelformat = ChoosePixelFormat( window->Window.Device, ppfd ); + + /* windows hack for multismapling */ + if (fgState.DisplayMode&GLUT_MULTISAMPLE) + { + PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetEntensionsStringARB=NULL; + HGLRC rc, rc_before=wglGetCurrentContext(); + HWND hWnd; + HDC hDC, hDC_before=wglGetCurrentDC(); + WNDCLASS wndCls; + ATOM atom; + + /* 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"); + atom = RegisterClass( &wndCls ); + + hWnd=CreateWindow((LPCSTR)atom, _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); + + wglGetEntensionsStringARB=(PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB"); + if (wglGetEntensionsStringARB) + { + const char * pWglExtString=wglGetEntensionsStringARB(hDC); + if (pWglExtString) + { + if (strstr(pWglExtString, "WGL_ARB_multisample")) + { + int pAttributes[100]; + int iCounter=0; + int iPixelFormat; + BOOL bValid; + float fAttributes[] = {0,0}; + UINT numFormats; + PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARBProc=NULL; + + wglChoosePixelFormatARBProc=(PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB"); + if ( wglChoosePixelFormatARBProc ) + { + pAttributes[iCounter++]=WGL_DRAW_TO_WINDOW_ARB; pAttributes[iCounter++]=GL_TRUE; + pAttributes[iCounter++]=WGL_SUPPORT_OPENGL_ARB; pAttributes[iCounter++]=GL_TRUE; + pAttributes[iCounter++]=WGL_ACCELERATION_ARB; pAttributes[iCounter++]=WGL_FULL_ACCELERATION_ARB; + + pAttributes[iCounter++]=WGL_COLOR_BITS_ARB; pAttributes[iCounter++]=pfd.cColorBits ; + pAttributes[iCounter++]=WGL_ALPHA_BITS_ARB; pAttributes[iCounter++]=pfd.cAlphaBits; + pAttributes[iCounter++]=WGL_DEPTH_BITS_ARB; pAttributes[iCounter++]=pfd.cDepthBits; + pAttributes[iCounter++]=WGL_STENCIL_BITS_ARB; pAttributes[iCounter++]=pfd.cStencilBits; + + pAttributes[iCounter++]=WGL_DOUBLE_BUFFER_ARB; pAttributes[iCounter++]=(fgState.DisplayMode & GLUT_DOUBLE)!=0; + pAttributes[iCounter++]=WGL_SAMPLE_BUFFERS_ARB; pAttributes[iCounter++]=GL_TRUE; + pAttributes[iCounter++]=WGL_SAMPLES_ARB; pAttributes[iCounter++]=4; + pAttributes[iCounter++]=0; pAttributes[iCounter++]=0; /* terminator */ + + bValid = wglChoosePixelFormatARBProc(window->Window.Device,pAttributes,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); + } + } + } + if( pixelformat == 0 ) return GL_FALSE; if( checkOnly ) return GL_TRUE; return SetPixelFormat( window->Window.Device, pixelformat, ppfd ); -#endif /* TARGET_HOST_WINCE */ +#endif /* defined(_WIN32_WCE) */ } -#endif +#endif /* TARGET_HOST_MS_WINDOWS */ /* * Sets the OpenGL context and the fgStructure "Current Window" pointer to @@ -241,17 +370,17 @@ GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly, */ void fgSetWindow ( SFG_Window *window ) { -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 if ( window ) glXMakeCurrent( fgDisplay.Display, window->Window.Handle, window->Window.Context ); -#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE - if( fgStructure.Window ) - ReleaseDC( fgStructure.Window->Window.Handle, - fgStructure.Window->Window.Device ); +#elif TARGET_HOST_MS_WINDOWS + if( fgStructure.CurrentWindow ) + ReleaseDC( fgStructure.CurrentWindow->Window.Handle, + fgStructure.CurrentWindow->Window.Device ); if ( window ) { @@ -262,7 +391,7 @@ void fgSetWindow ( SFG_Window *window ) ); } #endif - fgStructure.Window = window; + fgStructure.CurrentWindow = window; } @@ -271,35 +400,26 @@ void fgSetWindow ( SFG_Window *window ) * to the freeglut structure. OpenGL context is created here. */ void fgOpenWindow( SFG_Window* window, const char* title, - int x, int y, int w, int h, + GLboolean positionUse, int x, int y, + GLboolean sizeUse, int w, int h, GLboolean gameMode, GLboolean isSubWindow ) { -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 XSetWindowAttributes winAttr; XTextProperty textProperty; XSizeHints sizeHints; XWMHints wmHints; unsigned long mask; + unsigned int current_DisplayMode = fgState.DisplayMode ; - freeglut_assert_ready; + /* Save the display mode if we are creating a menu window */ + if( window->IsMenu && ( ! fgStructure.MenuContext ) ) + fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB ; - /* - * XXX fgChooseVisual() is a common part of all three. - * XXX With a little thought, we should be able to greatly - * XXX simplify this. - */ - if( !window->IsMenu ) - window->Window.VisualInfo = fgChooseVisual( ); - else if( fgStructure.MenuContext ) - window->Window.VisualInfo = fgChooseVisual( ); - else - { - /* XXX Why are menus double- and depth-buffered? */ - unsigned int current_DisplayMode = fgState.DisplayMode ; - fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH ; - window->Window.VisualInfo = fgChooseVisual( ); + window->Window.VisualInfo = fgChooseVisual( ); + + if( window->IsMenu && ( ! fgStructure.MenuContext ) ) fgState.DisplayMode = current_DisplayMode ; - } if( ! window->Window.VisualInfo ) { @@ -315,20 +435,16 @@ void fgOpenWindow( SFG_Window* window, const char* title, fgState.DisplayMode &= ~GLUT_DOUBLE; } - /* - * GLUT also checks for multi-sampling, but I don't see that - * anywhere else in FREEGLUT so I won't bother with it for the moment. - */ + if( fgState.DisplayMode & GLUT_MULTISAMPLE ) + { + fgState.DisplayMode &= ~GLUT_MULTISAMPLE ; + window->Window.VisualInfo = fgChooseVisual( ); + fgState.DisplayMode |= GLUT_MULTISAMPLE; + } } - /* - * XXX This seems to be abusing an assert() for error-checking. - * XXX It is possible that the visual simply can't be found, - * XXX in which case we should print an error and return a 0 - * XXX for the window id, I think. - */ - assert( window->Window.VisualInfo != NULL ); - + FREEGLUT_INTERNAL_ERROR_EXIT( window->Window.VisualInfo != NULL, + "Visual with necessary capabilities not found", "fgOpenWindow" ); /* * XXX HINT: the masks should be updated when adding/removing callbacks. @@ -342,7 +458,7 @@ void fgOpenWindow( SFG_Window* window, const char* title, */ winAttr.event_mask = StructureNotifyMask | SubstructureNotifyMask | ExposureMask | - ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyRelease | + ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask | VisibilityChangeMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask | ButtonMotionMask; winAttr.background_pixmap = None; @@ -356,12 +472,17 @@ void fgOpenWindow( SFG_Window* window, const char* title, mask = CWBackPixmap | CWBorderPixel | CWColormap | CWEventMask; - if( window->IsMenu ) + 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 : @@ -386,14 +507,14 @@ void fgOpenWindow( SFG_Window* window, const char* title, { fgStructure.MenuContext = (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) ); - fgStructure.MenuContext->VisualInfo = window->Window.VisualInfo; - fgStructure.MenuContext->Context = glXCreateContext( - fgDisplay.Display, fgStructure.MenuContext->VisualInfo, + fgStructure.MenuContext->MVisualInfo = window->Window.VisualInfo; + fgStructure.MenuContext->MContext = glXCreateContext( + fgDisplay.Display, fgStructure.MenuContext->MVisualInfo, NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT ) ); } - /* window->Window.Context = fgStructure.MenuContext->Context; */ + /* window->Window.Context = fgStructure.MenuContext->MContext; */ window->Window.Context = glXCreateContext( fgDisplay.Display, window->Window.VisualInfo, NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT ) @@ -415,6 +536,7 @@ void fgOpenWindow( SFG_Window* window, const char* title, NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT ) ); +#if !defined( __FreeBSD__ ) && !defined( __NetBSD__ ) if( !glXIsDirect( fgDisplay.Display, window->Window.Context ) ) { if( fgState.DirectContext == GLUT_FORCE_DIRECT_CONTEXT ) @@ -424,12 +546,7 @@ void fgOpenWindow( SFG_Window* window, const char* title, fgWarning( "Unable to create direct context rendering for window '%s'\nThis may hurt performance.", title ); } - - glXMakeCurrent( - fgDisplay.Display, - window->Window.Handle, - window->Window.Context - ); +#endif /* * XXX Assume the new window is visible by default @@ -438,36 +555,27 @@ void fgOpenWindow( SFG_Window* window, const char* title, window->State.Visible = GL_TRUE; sizeHints.flags = 0; - if ( fgState.Position.Use ) + if ( positionUse ) sizeHints.flags |= USPosition; - if ( fgState.Size.Use ) + if ( sizeUse ) sizeHints.flags |= USSize; /* * Fill in the size hints values now (the x, y, width and height - * settings are obsolote, are there any more WMs that support them?) + * 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. */ -#if TARGET_HOST_WINCE - sizeHints.x = 0; - sizeHints.y = 0; - sizeHints.width = 320; - sizeHints.height = 240; -#else sizeHints.x = x; sizeHints.y = y; sizeHints.width = w; sizeHints.height = h; -#endif /* TARGET_HOST_WINCE */ wmHints.flags = StateHint; wmHints.initial_state = fgState.ForceIconic ? IconicState : NormalState; - /* - * Prepare the window and iconified window names... - */ + /* Prepare the window and iconified window names... */ XStringListToTextProperty( (char **) &title, 1, &textProperty ); XSetWMProperties( @@ -481,30 +589,36 @@ void fgOpenWindow( SFG_Window* window, const char* title, &wmHints, NULL ); + XFree( textProperty.value ); XSetWMProtocols( fgDisplay.Display, window->Window.Handle, &fgDisplay.DeleteWindow, 1 ); + glXMakeCurrent( + fgDisplay.Display, + window->Window.Handle, + window->Window.Context + ); + XMapWindow( fgDisplay.Display, window->Window.Handle ); -#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE +#elif TARGET_HOST_MS_WINDOWS WNDCLASS wc; DWORD flags; DWORD exFlags = 0; ATOM atom; - freeglut_assert_ready; - - /* - * Grab the window class we have registered on glutInit(): - */ + /* Grab the window class we have registered on glutInit(): */ atom = GetClassInfo( fgDisplay.Instance, _T("FREEGLUT"), &wc ); - assert( atom != 0 ); + FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Info Not Found", + "fgOpenWindow" ); if( gameMode ) { - assert( window->Parent == NULL ); + 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 @@ -514,7 +628,9 @@ void fgOpenWindow( SFG_Window* window, const char* title, } else { -#if !TARGET_HOST_WINCE + int worig = w, horig = h; + +#if !defined(_WIN32_WCE) if ( ( ! isSubWindow ) && ( ! window->IsMenu ) ) { /* @@ -526,17 +642,29 @@ void fgOpenWindow( SFG_Window* window, const char* title, h += (GetSystemMetrics( SM_CYSIZEFRAME ) )*2 + GetSystemMetrics( SM_CYCAPTION ); } -#endif /* TARGET_HOST_WINCE */ +#endif /* defined(_WIN32_WCE) */ - if( ! fgState.Position.Use ) + if( ! positionUse ) { x = CW_USEDEFAULT; y = CW_USEDEFAULT; } - if( ! fgState.Size.Use ) + /* setting State.Width/Height to call resize callback later */ + if( ! sizeUse ) { - w = CW_USEDEFAULT; - h = CW_USEDEFAULT; + 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 */ + window->State.Width = window->State.Height = -1; + } + else + { + window->State.Width = worig; + window->State.Height = horig; } /* @@ -550,7 +678,7 @@ void fgOpenWindow( SFG_Window* window, const char* title, flags |= WS_POPUP; exFlags |= WS_EX_TOOLWINDOW; } -#if !TARGET_HOST_WINCE +#if !defined(_WIN32_WCE) else if( window->Parent == NULL ) flags |= WS_OVERLAPPEDWINDOW; #endif @@ -558,9 +686,9 @@ void fgOpenWindow( SFG_Window* window, const char* title, flags |= WS_CHILD; } -#if TARGET_HOST_WINCE +#if defined(_WIN32_WCE) { - wchar_t* wstr = wstr_from_str(title); + wchar_t* wstr = fghWstrFromStr(title); window->Window.Handle = CreateWindow( _T("FREEGLUT"), @@ -594,20 +722,20 @@ void fgOpenWindow( SFG_Window* window, const char* title, fgDisplay.Instance, (LPVOID) window ); -#endif /* TARGET_HOST_WINCE */ +#endif /* defined(_WIN32_WCE) */ if( !( window->Window.Handle ) ) fgError( "Failed to create a window (%s)!", title ); -#if TARGET_HOST_WINCE +#if defined(_WIN32_WCE) ShowWindow( window->Window.Handle, SW_SHOW ); #else ShowWindow( window->Window.Handle, fgState.ForceIconic ? SW_SHOWMINIMIZED : SW_SHOW ); -#endif /* TARGET_HOST_WINCE */ +#endif /* defined(_WIN32_WCE) */ UpdateWindow( window->Window.Handle ); - ShowCursor( TRUE ); /* XXX Old comments say "hide cusror"! */ + ShowCursor( TRUE ); /* XXX Old comments say "hide cursor"! */ #endif @@ -628,20 +756,17 @@ void fgOpenWindow( SFG_Window* window, const char* title, */ void fgCloseWindow( SFG_Window* window ) { - freeglut_assert_ready; - -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 glXDestroyContext( fgDisplay.Display, window->Window.Context ); + XFree( window->Window.VisualInfo ); XDestroyWindow( fgDisplay.Display, window->Window.Handle ); XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ -#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE +#elif TARGET_HOST_MS_WINDOWS - /* - * Make sure we don't close a window with current context active - */ - if( fgStructure.Window == window ) + /* Make sure we don't close a window with current context active */ + if( fgStructure.CurrentWindow == window ) wglMakeCurrent( NULL, NULL ); /* @@ -677,9 +802,18 @@ void fgCloseWindow( SFG_Window* window ) */ int FGAPIENTRY glutCreateWindow( const char* title ) { - return fgCreateWindow( NULL, title, fgState.Position.X, fgState.Position.Y, - fgState.Size.X, fgState.Size.Y, GL_FALSE, - GL_FALSE )->ID; + /* 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; } /* @@ -688,14 +822,39 @@ int FGAPIENTRY glutCreateWindow( const char* title ) 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_assert_ready; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateSubWindow" ); parent = fgWindowByID( parentID ); freeglut_return_val_if_fail( parent != NULL, 0 ); - window = fgCreateWindow( parent, "", x, y, w, h, GL_FALSE, GL_FALSE ); + 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; @@ -706,7 +865,9 @@ int FGAPIENTRY glutCreateSubWindow( int parentID, int x, int y, int w, int h ) */ void FGAPIENTRY glutDestroyWindow( int windowID ) { - SFG_Window* window = fgWindowByID( windowID ); + SFG_Window* window; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDestroyWindow" ); + window = fgWindowByID( windowID ); freeglut_return_if_fail( window != NULL ); { fgExecutionState ExecState = fgState.ExecState; @@ -722,15 +883,15 @@ void FGAPIENTRY glutSetWindow( int ID ) { SFG_Window* window = NULL; - freeglut_assert_ready; - if( fgStructure.Window != NULL ) - if( fgStructure.Window->ID == ID ) + 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 %i not found!", ID ); + fgWarning( "glutSetWindow(): window ID %d not found!", ID ); return; } @@ -742,10 +903,11 @@ void FGAPIENTRY glutSetWindow( int ID ) */ int FGAPIENTRY glutGetWindow( void ) { - freeglut_assert_ready; - if( fgStructure.Window == NULL ) - return 0; - return fgStructure.Window->ID; + SFG_Window *win = fgStructure.CurrentWindow; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetWindow" ); + while ( win && win->IsMenu ) + win = win->Parent; + return win ? win->ID : 0; } /* @@ -753,21 +915,21 @@ int FGAPIENTRY glutGetWindow( void ) */ void FGAPIENTRY glutShowWindow( void ) { - freeglut_assert_ready; - freeglut_assert_window; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutShowWindow" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutShowWindow" ); -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 - XMapWindow( fgDisplay.Display, fgStructure.Window->Window.Handle ); + XMapWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle ); XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ -#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE +#elif TARGET_HOST_MS_WINDOWS - ShowWindow( fgStructure.Window->Window.Handle, SW_SHOW ); + ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_SHOW ); #endif - fgStructure.Window->State.Redisplay = GL_TRUE; + fgStructure.CurrentWindow->State.Redisplay = GL_TRUE; } /* @@ -775,27 +937,27 @@ void FGAPIENTRY glutShowWindow( void ) */ void FGAPIENTRY glutHideWindow( void ) { - freeglut_assert_ready; - freeglut_assert_window; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutHideWindow" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutHideWindow" ); -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 - if( fgStructure.Window->Parent == NULL ) + if( fgStructure.CurrentWindow->Parent == NULL ) XWithdrawWindow( fgDisplay.Display, - fgStructure.Window->Window.Handle, + fgStructure.CurrentWindow->Window.Handle, fgDisplay.Screen ); else XUnmapWindow( fgDisplay.Display, - fgStructure.Window->Window.Handle ); + fgStructure.CurrentWindow->Window.Handle ); XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ -#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE +#elif TARGET_HOST_MS_WINDOWS - ShowWindow( fgStructure.Window->Window.Handle, SW_HIDE ); + ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_HIDE ); #endif - fgStructure.Window->State.Redisplay = GL_FALSE; + fgStructure.CurrentWindow->State.Redisplay = GL_FALSE; } /* @@ -803,23 +965,23 @@ void FGAPIENTRY glutHideWindow( void ) */ void FGAPIENTRY glutIconifyWindow( void ) { - freeglut_assert_ready; - freeglut_assert_window; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIconifyWindow" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutIconifyWindow" ); - fgStructure.Window->State.Visible = GL_FALSE; -#if TARGET_HOST_UNIX_X11 + fgStructure.CurrentWindow->State.Visible = GL_FALSE; +#if TARGET_HOST_POSIX_X11 - XIconifyWindow( fgDisplay.Display, fgStructure.Window->Window.Handle, + XIconifyWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle, fgDisplay.Screen ); XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ -#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE +#elif TARGET_HOST_MS_WINDOWS - ShowWindow( fgStructure.Window->Window.Handle, SW_MINIMIZE ); + ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_MINIMIZE ); #endif - fgStructure.Window->State.Redisplay = GL_FALSE; + fgStructure.CurrentWindow->State.Redisplay = GL_FALSE; } /* @@ -827,11 +989,11 @@ void FGAPIENTRY glutIconifyWindow( void ) */ void FGAPIENTRY glutSetWindowTitle( const char* title ) { - freeglut_assert_ready; - freeglut_assert_window; - if( ! fgStructure.Window->Parent ) + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindowTitle" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetWindowTitle" ); + if( ! fgStructure.CurrentWindow->Parent ) { -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 XTextProperty text; @@ -842,24 +1004,23 @@ void FGAPIENTRY glutSetWindowTitle( const char* title ) XSetWMName( fgDisplay.Display, - fgStructure.Window->Window.Handle, + fgStructure.CurrentWindow->Window.Handle, &text ); XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ -#elif TARGET_HOST_WIN32 - - SetWindowText( fgStructure.Window->Window.Handle, title ); - -#elif TARGET_HOST_WINCE +#elif TARGET_HOST_MS_WINDOWS +# ifdef _WIN32_WCE { - wchar_t* wstr = wstr_from_str(title); - - SetWindowText( fgStructure.Window->Window.Handle, wstr ); - + wchar_t* wstr = fghWstrFromStr(title); + SetWindowText( fgStructure.CurrentWindow->Window.Handle, wstr ); free(wstr); } +# else + SetWindowText( fgStructure.CurrentWindow->Window.Handle, title ); +# endif + #endif } } @@ -869,12 +1030,12 @@ void FGAPIENTRY glutSetWindowTitle( const char* title ) */ void FGAPIENTRY glutSetIconTitle( const char* title ) { - freeglut_assert_ready; - freeglut_assert_window; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetIconTitle" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetIconTitle" ); - if( ! fgStructure.Window->Parent ) + if( ! fgStructure.CurrentWindow->Parent ) { -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 XTextProperty text; @@ -885,24 +1046,23 @@ void FGAPIENTRY glutSetIconTitle( const char* title ) XSetWMIconName( fgDisplay.Display, - fgStructure.Window->Window.Handle, + fgStructure.CurrentWindow->Window.Handle, &text ); XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ -#elif TARGET_HOST_WIN32 - - SetWindowText( fgStructure.Window->Window.Handle, title ); - -#elif TARGET_HOST_WINCE +#elif TARGET_HOST_MS_WINDOWS +# ifdef _WIN32_WCE { - wchar_t* wstr = wstr_from_str(title); - - SetWindowText( fgStructure.Window->Window.Handle, wstr ); - + wchar_t* wstr = fghWstrFromStr(title); + SetWindowText( fgStructure.CurrentWindow->Window.Handle, wstr ); free(wstr); } +# else + SetWindowText( fgStructure.CurrentWindow->Window.Handle, title ); +# endif + #endif } } @@ -912,12 +1072,12 @@ void FGAPIENTRY glutSetIconTitle( const char* title ) */ void FGAPIENTRY glutReshapeWindow( int width, int height ) { - freeglut_assert_ready; - freeglut_assert_window; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeWindow" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutReshapeWindow" ); - fgStructure.Window->State.NeedToResize = GL_TRUE; - fgStructure.Window->State.Width = width ; - fgStructure.Window->State.Height = height; + fgStructure.CurrentWindow->State.NeedToResize = GL_TRUE; + fgStructure.CurrentWindow->State.Width = width ; + fgStructure.CurrentWindow->State.Height = height; } /* @@ -925,23 +1085,24 @@ void FGAPIENTRY glutReshapeWindow( int width, int height ) */ void FGAPIENTRY glutPositionWindow( int x, int y ) { - freeglut_assert_ready; - freeglut_assert_window; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPositionWindow" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPositionWindow" ); -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 - XMoveWindow( fgDisplay.Display, fgStructure.Window->Window.Handle, + XMoveWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle, x, y ); XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ -#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE +#elif TARGET_HOST_MS_WINDOWS { RECT winRect; - GetWindowRect( fgStructure.Window->Window.Handle, &winRect ); + /* "GetWindowRect" returns the pixel coordinates of the outside of the window */ + GetWindowRect( fgStructure.CurrentWindow->Window.Handle, &winRect ); MoveWindow( - fgStructure.Window->Window.Handle, + fgStructure.CurrentWindow->Window.Handle, x, y, winRect.right - winRect.left, @@ -958,17 +1119,17 @@ void FGAPIENTRY glutPositionWindow( int x, int y ) */ void FGAPIENTRY glutPushWindow( void ) { - freeglut_assert_ready; - freeglut_assert_window; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPushWindow" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPushWindow" ); -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 - XLowerWindow( fgDisplay.Display, fgStructure.Window->Window.Handle ); + XLowerWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle ); -#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE +#elif TARGET_HOST_MS_WINDOWS SetWindowPos( - fgStructure.Window->Window.Handle, + fgStructure.CurrentWindow->Window.Handle, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE @@ -982,17 +1143,17 @@ void FGAPIENTRY glutPushWindow( void ) */ void FGAPIENTRY glutPopWindow( void ) { - freeglut_assert_ready; - freeglut_assert_window; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPopWindow" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPopWindow" ); -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 - XRaiseWindow( fgDisplay.Display, fgStructure.Window->Window.Handle ); + XRaiseWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle ); -#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE +#elif TARGET_HOST_MS_WINDOWS SetWindowPos( - fgStructure.Window->Window.Handle, + fgStructure.CurrentWindow->Window.Handle, HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE @@ -1006,17 +1167,17 @@ void FGAPIENTRY glutPopWindow( void ) */ void FGAPIENTRY glutFullScreen( void ) { - freeglut_assert_ready; - freeglut_assert_window; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFullScreen" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutFullScreen" ); { -#if TARGET_HOST_UNIX_X11 +#if TARGET_HOST_POSIX_X11 int x, y; Window w; XMoveResizeWindow( fgDisplay.Display, - fgStructure.Window->Window.Handle, + fgStructure.CurrentWindow->Window.Handle, 0, 0, fgDisplay.ScreenWidth, fgDisplay.ScreenHeight @@ -1026,7 +1187,7 @@ void FGAPIENTRY glutFullScreen( void ) XTranslateCoordinates( fgDisplay.Display, - fgStructure.Window->Window.Handle, + fgStructure.CurrentWindow->Window.Handle, fgDisplay.RootWindow, 0, 0, &x, &y, &w ); @@ -1035,12 +1196,12 @@ void FGAPIENTRY glutFullScreen( void ) { XMoveWindow( fgDisplay.Display, - fgStructure.Window->Window.Handle, + fgStructure.CurrentWindow->Window.Handle, -x, -y ); XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */ } -#elif TARGET_HOST_WIN32 +#elif TARGET_HOST_MS_WINDOWS && !defined(_WIN32_WCE) /* FIXME: what about WinCE */ RECT rect; /* For fullscreen mode, force the top-left corner to 0,0 @@ -1063,7 +1224,7 @@ void FGAPIENTRY glutFullScreen( void ) * SWP_NOZORDER Retains the current Z order (ignore 2nd param) */ - SetWindowPos( fgStructure.Window->Window.Handle, + SetWindowPos( fgStructure.CurrentWindow->Window.Handle, HWND_TOP, rect.left, rect.top, @@ -1081,12 +1242,16 @@ void FGAPIENTRY glutFullScreen( void ) */ void* FGAPIENTRY glutGetWindowData( void ) { - return fgStructure.Window->UserData; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetWindowData" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutGetWindowData" ); + return fgStructure.CurrentWindow->UserData; } void FGAPIENTRY glutSetWindowData(void* data) { - fgStructure.Window->UserData = data; + FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindowData" ); + FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetWindowData" ); + fgStructure.CurrentWindow->UserData = data; } /*** END OF FILE ***/