+++ /dev/null
-/*
- * freeglut_window.c
- *
- * Window management methods.
- *
- * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
- * Written by Pawel W. Olszta, <olszta@sourceforge.net>
- * 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 <GL/freeglut.h>
-#include "freeglut_internal.h"
-
-#if TARGET_HOST_POSIX_X11
-#include <limits.h> /* LONG_MAX */
-#include <unistd.h> /* usleep */
-#endif
-
-#if defined(_WIN32_WCE)
-# include <Aygshell.h>
-# 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 <GL/wglext.h>
- * 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; i<len; i++)
- wstr[i] = str[i];
- wstr[len] = 0;
- return wstr;
-}
-#endif /* defined(_WIN32_WCE) */
-
-
-static void fghFillContextAttributes( int *attributes ) {
- int where = 0, contextFlags, contextProfile;
-
- if ( !fghIsLegacyContextVersionRequested() ) {
- ATTRIB_VAL( WGL_CONTEXT_MAJOR_VERSION_ARB, fgState.MajorVersion );
- ATTRIB_VAL( WGL_CONTEXT_MINOR_VERSION_ARB, fgState.MinorVersion );
- }
-
- contextFlags =
- fghMapBit( fgState.ContextFlags, GLUT_DEBUG, WGL_CONTEXT_DEBUG_BIT_ARB ) |
- fghMapBit( fgState.ContextFlags, GLUT_FORWARD_COMPATIBLE, WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB );
- if ( contextFlags != 0 ) {
- ATTRIB_VAL( WGL_CONTEXT_FLAGS_ARB, contextFlags );
- }
-
- contextProfile =
- fghMapBit( fgState.ContextProfile, GLUT_CORE_PROFILE, WGL_CONTEXT_CORE_PROFILE_BIT_ARB ) |
- fghMapBit( fgState.ContextProfile, GLUT_COMPATIBILITY_PROFILE, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB );
- if ( contextProfile != 0 ) {
- ATTRIB_VAL( WGL_CONTEXT_PROFILE_MASK_ARB, contextProfile );
- }
-
- ATTRIB( 0 );
-}
-
-static int fghIsExtensionSupported( HDC hdc, const char *extension ) {
- const char *pWglExtString;
- PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetEntensionsStringARB =
- (PFNWGLGETEXTENSIONSSTRINGARBPROC) wglGetProcAddress("wglGetExtensionsStringARB");
- if ( wglGetEntensionsStringARB == NULL )
- {
- return FALSE;
- }
- pWglExtString = wglGetEntensionsStringARB( hdc );
- return ( pWglExtString != NULL ) && ( strstr(pWglExtString, extension) != NULL );
-}
-
-void fgNewWGLCreateContext( SFG_Window* window )
-{
- HGLRC context;
- int attributes[9];
- PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB;
-
- /* If nothing fancy has been required, leave the context as it is */
- if ( fghIsLegacyContextRequested() )
- {
- return;
- }
-
- wglMakeCurrent( window->Window.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 ***/
projects / freeglut / blobdiff