4 * Window management methods.
6 * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
7 * Written by Pawel W. Olszta, <olszta@sourceforge.net>
8 * Creation date: Fri Dec 3 1999
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
17 * The above copyright notice and this permission notice shall be included
18 * in all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
24 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
25 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #include <GL/freeglut.h>
29 #include "freeglut_internal.h"
33 #pragma comment( lib, "Aygshell.lib" )
35 static wchar_t* fghWstrFromStr(const char* str)
37 int i,len=strlen(str);
38 wchar_t* wstr = (wchar_t*)malloc(2*len+2);
46 #endif /* TARGET_HOST_WINCE */
49 * TODO BEFORE THE STABLE RELEASE:
51 * fgChooseVisual() -- OK, but what about glutInitDisplayString()?
52 * fgSetupPixelFormat -- ignores the display mode settings
53 * fgOpenWindow() -- check the Win32 version, -iconic handling!
54 * fgCloseWindow() -- check the Win32 version
55 * glutCreateWindow() -- Check when default position and size is {-1,-1}
56 * glutCreateSubWindow() -- Check when default position and size is {-1,-1}
57 * glutDestroyWindow() -- check the Win32 version
58 * glutSetWindow() -- check the Win32 version
59 * glutGetWindow() -- OK
60 * glutSetWindowTitle() -- check the Win32 version
61 * glutSetIconTitle() -- check the Win32 version
62 * glutShowWindow() -- check the Win32 version
63 * glutHideWindow() -- check the Win32 version
64 * glutIconifyWindow() -- check the Win32 version
65 * glutReshapeWindow() -- check the Win32 version
66 * glutPositionWindow() -- check the Win32 version
67 * glutPushWindow() -- check the Win32 version
68 * glutPopWindow() -- check the Win32 version
71 /* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
74 * Chooses a visual basing on the current display mode settings
76 #if TARGET_HOST_UNIX_X11
78 XVisualInfo* fgChooseVisual( void )
80 #define BUFFER_SIZES 6
81 int bufferSize[BUFFER_SIZES] = { 16, 12, 8, 4, 2, 1 };
82 GLboolean wantIndexedMode = GL_FALSE;
86 /* First we have to process the display mode settings... */
88 * XXX Why is there a semi-colon in this #define? The code
89 * XXX that uses the macro seems to always add more semicolons...
91 #define ATTRIB(a) attributes[where++]=a;
92 #define ATTRIB_VAL(a,v) {ATTRIB(a); ATTRIB(v);}
94 if( fgState.DisplayMode & GLUT_INDEX )
96 ATTRIB_VAL( GLX_BUFFER_SIZE, 8 );
97 wantIndexedMode = GL_TRUE;
102 ATTRIB_VAL( GLX_RED_SIZE, 1 );
103 ATTRIB_VAL( GLX_GREEN_SIZE, 1 );
104 ATTRIB_VAL( GLX_BLUE_SIZE, 1 );
105 if( fgState.DisplayMode & GLUT_ALPHA )
106 ATTRIB_VAL( GLX_ALPHA_SIZE, 1 );
109 if( fgState.DisplayMode & GLUT_DOUBLE )
110 ATTRIB( GLX_DOUBLEBUFFER );
112 if( fgState.DisplayMode & GLUT_STEREO )
113 ATTRIB( GLX_STEREO );
115 if( fgState.DisplayMode & GLUT_DEPTH )
116 ATTRIB_VAL( GLX_DEPTH_SIZE, 1 );
118 if( fgState.DisplayMode & GLUT_STENCIL )
119 ATTRIB_VAL( GLX_STENCIL_SIZE, 1 );
121 if( fgState.DisplayMode & GLUT_ACCUM )
123 ATTRIB_VAL( GLX_ACCUM_RED_SIZE, 1 );
124 ATTRIB_VAL( GLX_ACCUM_GREEN_SIZE, 1 );
125 ATTRIB_VAL( GLX_ACCUM_BLUE_SIZE, 1 );
126 if( fgState.DisplayMode & GLUT_ALPHA )
127 ATTRIB_VAL( GLX_ACCUM_ALPHA_SIZE, 1 );
130 if( fgState.DisplayMode & GLUT_AUX1 )
131 ATTRIB_VAL( GLX_AUX_BUFFERS, 1 );
132 if( fgState.DisplayMode & GLUT_AUX2 )
133 ATTRIB_VAL( GLX_AUX_BUFFERS, 2 );
134 if( fgState.DisplayMode & GLUT_AUX3 )
135 ATTRIB_VAL( GLX_AUX_BUFFERS, 3 );
136 if( fgState.DisplayMode & GLUT_AUX4 )
137 ATTRIB_VAL( GLX_AUX_BUFFERS, 4 );
140 /* Push a null at the end of the list */
143 if( ! wantIndexedMode )
144 return glXChooseVisual( fgDisplay.Display, fgDisplay.Screen,
148 XVisualInfo* visualInfo;
152 * In indexed mode, we need to check how many bits of depth can we
153 * achieve. We do this by trying each possibility from the list
154 * given in the {bufferSize} array. If we match, we return to caller.
156 for( i=0; i<BUFFER_SIZES; i++ )
158 attributes[ 1 ] = bufferSize[ i ];
159 visualInfo = glXChooseVisual( fgDisplay.Display, fgDisplay.Screen,
161 if( visualInfo != NULL )
170 * Setup the pixel format for a Win32 window
172 #if TARGET_HOST_WIN32
173 GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
174 unsigned char layer_type )
176 #if TARGET_HOST_WINCE
179 PIXELFORMATDESCRIPTOR* ppfd, pfd;
180 int flags, pixelformat;
182 freeglut_return_val_if_fail( window != NULL, 0 );
183 flags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
184 if( fgState.DisplayMode & GLUT_DOUBLE )
185 flags |= PFD_DOUBLEBUFFER;
187 #if defined(_MSC_VER)
188 #pragma message( "fgSetupPixelFormat(): there is still some work to do here!" )
191 /* Specify which pixel format do we opt for... */
192 pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
195 pfd.iPixelType = PFD_TYPE_RGBA;
206 pfd.cAccumRedBits = 0;
207 pfd.cAccumGreenBits = 0;
208 pfd.cAccumBlueBits = 0;
209 pfd.cAccumAlphaBits = 0;
212 pfd.cStencilBits = 0;
215 pfd.cStencilBits = 8;
217 if( fgState.DisplayMode & GLUT_AUX4 )
219 else if( fgState.DisplayMode & GLUT_AUX3 )
221 else if( fgState.DisplayMode & GLUT_AUX2 )
223 else if( fgState.DisplayMode & GLUT_AUX1 )
228 pfd.iLayerType = layer_type;
231 pfd.dwVisibleMask = 0;
232 pfd.dwDamageMask = 0;
234 pfd.cColorBits = (BYTE) GetDeviceCaps( window->Window.Device, BITSPIXEL );
237 pixelformat = ChoosePixelFormat( window->Window.Device, ppfd );
238 if( pixelformat == 0 )
243 return SetPixelFormat( window->Window.Device, pixelformat, ppfd );
244 #endif /* TARGET_HOST_WINCE */
249 * Sets the OpenGL context and the fgStructure "Current Window" pointer to
250 * the window structure passed in.
252 void fgSetWindow ( SFG_Window *window )
254 #if TARGET_HOST_UNIX_X11
258 window->Window.Handle,
259 window->Window.Context
261 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
262 if( fgStructure.CurrentWindow )
263 ReleaseDC( fgStructure.CurrentWindow->Window.Handle,
264 fgStructure.CurrentWindow->Window.Device );
268 window->Window.Device = GetDC( window->Window.Handle );
270 window->Window.Device,
271 window->Window.Context
275 fgStructure.CurrentWindow = window;
280 * Opens a window. Requires a SFG_Window object created and attached
281 * to the freeglut structure. OpenGL context is created here.
283 void fgOpenWindow( SFG_Window* window, const char* title,
284 int x, int y, int w, int h,
285 GLboolean gameMode, GLboolean isSubWindow )
287 #if TARGET_HOST_UNIX_X11
288 XSetWindowAttributes winAttr;
289 XTextProperty textProperty;
290 XSizeHints sizeHints;
293 unsigned int current_DisplayMode = fgState.DisplayMode ;
295 /* Save the display mode if we are creating a menu window */
296 if( window->IsMenu && ( ! fgStructure.MenuContext ) )
297 fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB ;
299 window->Window.VisualInfo = fgChooseVisual( );
301 if( window->IsMenu && ( ! fgStructure.MenuContext ) )
302 fgState.DisplayMode = current_DisplayMode ;
304 if( ! window->Window.VisualInfo )
307 * The "fgChooseVisual" returned a null meaning that the visual
308 * context is not available.
309 * Try a couple of variations to see if they will work.
311 if( !( fgState.DisplayMode & GLUT_DOUBLE ) )
313 fgState.DisplayMode |= GLUT_DOUBLE ;
314 window->Window.VisualInfo = fgChooseVisual( );
315 fgState.DisplayMode &= ~GLUT_DOUBLE;
319 * GLUT also checks for multi-sampling, but I don't see that
320 * anywhere else in FREEGLUT so I won't bother with it for the moment.
324 FREEGLUT_INTERNAL_ERROR_EXIT( window->Window.VisualInfo != NULL,
325 "Visual with necessary capabilities not found", "fgOpenWindow" );
328 * XXX HINT: the masks should be updated when adding/removing callbacks.
329 * XXX This might speed up message processing. Is that true?
331 * XXX A: Not appreciably, but it WILL make it easier to debug.
332 * XXX Try tracing old GLUT and try tracing freeglut. Old GLUT
333 * XXX turns off events that it doesn't need and is a whole lot
334 * XXX more pleasant to trace. (Think mouse-motion! Tons of
335 * XXX ``bonus'' GUI events stream in.)
338 StructureNotifyMask | SubstructureNotifyMask | ExposureMask |
339 ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask |
340 VisibilityChangeMask | EnterWindowMask | LeaveWindowMask |
341 PointerMotionMask | ButtonMotionMask;
342 winAttr.background_pixmap = None;
343 winAttr.background_pixel = 0;
344 winAttr.border_pixel = 0;
346 winAttr.colormap = XCreateColormap(
347 fgDisplay.Display, fgDisplay.RootWindow,
348 window->Window.VisualInfo->visual, AllocNone
351 mask = CWBackPixmap | CWBorderPixel | CWColormap | CWEventMask;
355 winAttr.override_redirect = True;
356 mask |= CWOverrideRedirect;
359 window->Window.Handle = XCreateWindow(
361 window->Parent == NULL ? fgDisplay.RootWindow :
362 window->Parent->Window.Handle,
364 window->Window.VisualInfo->depth, InputOutput,
365 window->Window.VisualInfo->visual, mask,
370 * The GLX context creation, possibly trying the direct context rendering
371 * or else use the current context if the user has so specified
376 * If there isn't already an OpenGL rendering context for menu
379 if( !fgStructure.MenuContext )
381 fgStructure.MenuContext =
382 (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
383 fgStructure.MenuContext->VisualInfo = window->Window.VisualInfo;
384 fgStructure.MenuContext->Context = glXCreateContext(
385 fgDisplay.Display, fgStructure.MenuContext->VisualInfo,
386 NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT )
390 /* window->Window.Context = fgStructure.MenuContext->Context; */
391 window->Window.Context = glXCreateContext(
392 fgDisplay.Display, window->Window.VisualInfo,
393 NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT )
396 else if( fgState.UseCurrentContext )
398 window->Window.Context = glXGetCurrentContext( );
400 if( ! window->Window.Context )
401 window->Window.Context = glXCreateContext(
402 fgDisplay.Display, window->Window.VisualInfo,
403 NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT )
407 window->Window.Context = glXCreateContext(
408 fgDisplay.Display, window->Window.VisualInfo,
409 NULL, ( fgState.DirectContext != GLUT_FORCE_INDIRECT_CONTEXT )
412 #if !defined( __FreeBSD__ ) && !defined( __NetBSD__ )
413 if( !glXIsDirect( fgDisplay.Display, window->Window.Context ) )
415 if( fgState.DirectContext == GLUT_FORCE_DIRECT_CONTEXT )
416 fgError( "Unable to force direct context rendering for window '%s'",
418 else if( fgState.DirectContext == GLUT_TRY_DIRECT_CONTEXT )
419 fgWarning( "Unable to create direct context rendering for window '%s'\nThis may hurt performance.",
425 * XXX Assume the new window is visible by default
426 * XXX Is this a safe assumption?
428 window->State.Visible = GL_TRUE;
431 if ( fgState.Position.Use )
432 sizeHints.flags |= USPosition;
433 if ( fgState.Size.Use )
434 sizeHints.flags |= USSize;
437 * Fill in the size hints values now (the x, y, width and height
438 * settings are obsolete, are there any more WMs that support them?)
439 * Unless the X servers actually stop supporting these, we should
440 * continue to fill them in. It is *not* our place to tell the user
441 * that they should replace a window manager that they like, and which
442 * works, just because *we* think that it's not "modern" enough.
447 sizeHints.height = h;
449 wmHints.flags = StateHint;
450 wmHints.initial_state = fgState.ForceIconic ? IconicState : NormalState;
451 /* Prepare the window and iconified window names... */
452 XStringListToTextProperty( (char **) &title, 1, &textProperty );
456 window->Window.Handle,
466 XSetWMProtocols( fgDisplay.Display, window->Window.Handle,
467 &fgDisplay.DeleteWindow, 1 );
471 window->Window.Handle,
472 window->Window.Context
475 XMapWindow( fgDisplay.Display, window->Window.Handle );
477 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
484 /* Grab the window class we have registered on glutInit(): */
485 atom = GetClassInfo( fgDisplay.Instance, _T("FREEGLUT"), &wc );
486 FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Info Not Found",
491 FREEGLUT_INTERNAL_ERROR_EXIT ( window->Parent == NULL,
492 "Game mode being invoked on a subwindow",
496 * Set the window creation flags appropriately to make the window
499 flags = WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
503 #if !TARGET_HOST_WINCE
504 if ( ( ! isSubWindow ) && ( ! window->IsMenu ) )
507 * Update the window dimensions, taking account of window
508 * decorations. "freeglut" is to create the window with the
509 * outside of its border at (x,y) and with dimensions (w,h).
511 w += (GetSystemMetrics( SM_CXSIZEFRAME ) )*2;
512 h += (GetSystemMetrics( SM_CYSIZEFRAME ) )*2 +
513 GetSystemMetrics( SM_CYCAPTION );
515 #endif /* TARGET_HOST_WINCE */
517 if( ! fgState.Position.Use )
522 if( ! fgState.Size.Use )
529 * There's a small difference between creating the top, child and
532 flags = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
534 if ( window->IsMenu )
537 exFlags |= WS_EX_TOOLWINDOW;
539 #if !TARGET_HOST_WINCE
540 else if( window->Parent == NULL )
541 flags |= WS_OVERLAPPEDWINDOW;
547 #if TARGET_HOST_WINCE
549 wchar_t* wstr = fghWstrFromStr(title);
551 window->Window.Handle = CreateWindow(
554 WS_VISIBLE | WS_POPUP,
564 SHFullScreen(window->Window.Handle, SHFS_HIDESTARTICON);
565 SHFullScreen(window->Window.Handle, SHFS_HIDESIPBUTTON);
566 SHFullScreen(window->Window.Handle, SHFS_HIDETASKBAR);
567 MoveWindow(window->Window.Handle, 0, 0, 240, 320, TRUE);
568 ShowWindow(window->Window.Handle, SW_SHOW);
569 UpdateWindow(window->Window.Handle);
572 window->Window.Handle = CreateWindowEx(
578 (HWND) window->Parent == NULL ? NULL : window->Parent->Window.Handle,
583 #endif /* TARGET_HOST_WINCE */
585 if( !( window->Window.Handle ) )
586 fgError( "Failed to create a window (%s)!", title );
588 #if TARGET_HOST_WINCE
589 ShowWindow( window->Window.Handle, SW_SHOW );
591 ShowWindow( window->Window.Handle,
592 fgState.ForceIconic ? SW_SHOWMINIMIZED : SW_SHOW );
593 #endif /* TARGET_HOST_WINCE */
595 UpdateWindow( window->Window.Handle );
596 ShowCursor( TRUE ); /* XXX Old comments say "hide cursor"! */
600 fgSetWindow( window );
602 window->Window.DoubleBuffered =
603 ( fgState.DisplayMode & GLUT_DOUBLE ) ? 1 : 0;
605 if ( ! window->Window.DoubleBuffered )
607 glDrawBuffer ( GL_FRONT );
608 glReadBuffer ( GL_FRONT );
613 * Closes a window, destroying the frame and OpenGL context
615 void fgCloseWindow( SFG_Window* window )
617 #if TARGET_HOST_UNIX_X11
619 glXDestroyContext( fgDisplay.Display, window->Window.Context );
620 XDestroyWindow( fgDisplay.Display, window->Window.Handle );
621 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
623 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
625 /* Make sure we don't close a window with current context active */
626 if( fgStructure.CurrentWindow == window )
627 wglMakeCurrent( NULL, NULL );
630 * Step through the list of windows. If the rendering context
631 * is not being used by another window, then we delete it.
637 for( iter = (SFG_Window *)fgStructure.Windows.First;
639 iter = (SFG_Window *)iter->Node.Next )
641 if( ( iter->Window.Context == window->Window.Context ) &&
647 wglDeleteContext( window->Window.Context );
650 DestroyWindow( window->Window.Handle );
655 /* -- INTERFACE FUNCTIONS -------------------------------------------------- */
658 * Creates a new top-level freeglut window
660 int FGAPIENTRY glutCreateWindow( const char* title )
662 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateWindow" );
664 return fgCreateWindow( NULL, title, fgState.Position.X, fgState.Position.Y,
665 fgState.Size.X, fgState.Size.Y, GL_FALSE,
670 * This function creates a sub window.
672 int FGAPIENTRY glutCreateSubWindow( int parentID, int x, int y, int w, int h )
675 SFG_Window* window = NULL;
676 SFG_Window* parent = NULL;
678 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateSubWindow" );
679 parent = fgWindowByID( parentID );
680 freeglut_return_val_if_fail( parent != NULL, 0 );
681 window = fgCreateWindow( parent, "", x, y, w, h, GL_FALSE, GL_FALSE );
688 * Destroys a window and all of its subwindows
690 void FGAPIENTRY glutDestroyWindow( int windowID )
693 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDestroyWindow" );
694 window = fgWindowByID( windowID );
695 freeglut_return_if_fail( window != NULL );
697 fgExecutionState ExecState = fgState.ExecState;
698 fgAddToWindowDestroyList( window );
699 fgState.ExecState = ExecState;
704 * This function selects the current window
706 void FGAPIENTRY glutSetWindow( int ID )
708 SFG_Window* window = NULL;
710 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindow" );
711 if( fgStructure.CurrentWindow != NULL )
712 if( fgStructure.CurrentWindow->ID == ID )
715 window = fgWindowByID( ID );
718 fgWarning( "glutSetWindow(): window ID %d not found!", ID );
722 fgSetWindow( window );
726 * This function returns the ID number of the current window, 0 if none exists
728 int FGAPIENTRY glutGetWindow( void )
730 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetWindow" );
731 if( fgStructure.CurrentWindow == NULL )
733 return fgStructure.CurrentWindow->ID;
737 * This function makes the current window visible
739 void FGAPIENTRY glutShowWindow( void )
741 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutShowWindow" );
742 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutShowWindow" );
744 #if TARGET_HOST_UNIX_X11
746 XMapWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle );
747 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
749 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
751 ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_SHOW );
755 fgStructure.CurrentWindow->State.Redisplay = GL_TRUE;
759 * This function hides the current window
761 void FGAPIENTRY glutHideWindow( void )
763 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutHideWindow" );
764 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutHideWindow" );
766 #if TARGET_HOST_UNIX_X11
768 if( fgStructure.CurrentWindow->Parent == NULL )
769 XWithdrawWindow( fgDisplay.Display,
770 fgStructure.CurrentWindow->Window.Handle,
773 XUnmapWindow( fgDisplay.Display,
774 fgStructure.CurrentWindow->Window.Handle );
775 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
777 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
779 ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_HIDE );
783 fgStructure.CurrentWindow->State.Redisplay = GL_FALSE;
787 * Iconify the current window (top-level windows only)
789 void FGAPIENTRY glutIconifyWindow( void )
791 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIconifyWindow" );
792 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutIconifyWindow" );
794 fgStructure.CurrentWindow->State.Visible = GL_FALSE;
795 #if TARGET_HOST_UNIX_X11
797 XIconifyWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle,
799 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
801 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
803 ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_MINIMIZE );
807 fgStructure.CurrentWindow->State.Redisplay = GL_FALSE;
811 * Set the current window's title
813 void FGAPIENTRY glutSetWindowTitle( const char* title )
815 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindowTitle" );
816 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetWindowTitle" );
817 if( ! fgStructure.CurrentWindow->Parent )
819 #if TARGET_HOST_UNIX_X11
823 text.value = (unsigned char *) title;
824 text.encoding = XA_STRING;
826 text.nitems = strlen( title );
830 fgStructure.CurrentWindow->Window.Handle,
834 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
836 #elif TARGET_HOST_WIN32
838 SetWindowText( fgStructure.CurrentWindow->Window.Handle, title );
840 #elif TARGET_HOST_WINCE
842 wchar_t* wstr = fghWstrFromStr(title);
844 SetWindowText( fgStructure.CurrentWindow->Window.Handle, wstr );
853 * Set the current window's iconified title
855 void FGAPIENTRY glutSetIconTitle( const char* title )
857 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetIconTitle" );
858 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetIconTitle" );
860 if( ! fgStructure.CurrentWindow->Parent )
862 #if TARGET_HOST_UNIX_X11
866 text.value = (unsigned char *) title;
867 text.encoding = XA_STRING;
869 text.nitems = strlen( title );
873 fgStructure.CurrentWindow->Window.Handle,
877 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
879 #elif TARGET_HOST_WIN32
881 SetWindowText( fgStructure.CurrentWindow->Window.Handle, title );
883 #elif TARGET_HOST_WINCE
885 wchar_t* wstr = fghWstrFromStr(title);
887 SetWindowText( fgStructure.CurrentWindow->Window.Handle, wstr );
896 * Change the current window's size
898 void FGAPIENTRY glutReshapeWindow( int width, int height )
900 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeWindow" );
901 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutReshapeWindow" );
903 fgStructure.CurrentWindow->State.NeedToResize = GL_TRUE;
904 fgStructure.CurrentWindow->State.Width = width ;
905 fgStructure.CurrentWindow->State.Height = height;
909 * Change the current window's position
911 void FGAPIENTRY glutPositionWindow( int x, int y )
913 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPositionWindow" );
914 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPositionWindow" );
916 #if TARGET_HOST_UNIX_X11
918 XMoveWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle,
920 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
922 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
927 /* "GetWindowRect" returns the pixel coordinates of the outside of the window */
928 GetWindowRect( fgStructure.CurrentWindow->Window.Handle, &winRect );
930 fgStructure.CurrentWindow->Window.Handle,
933 winRect.right - winRect.left,
934 winRect.bottom - winRect.top,
943 * Lowers the current window (by Z order change)
945 void FGAPIENTRY glutPushWindow( void )
947 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPushWindow" );
948 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPushWindow" );
950 #if TARGET_HOST_UNIX_X11
952 XLowerWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle );
954 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
957 fgStructure.CurrentWindow->Window.Handle,
960 SWP_NOSIZE | SWP_NOMOVE
967 * Raises the current window (by Z order change)
969 void FGAPIENTRY glutPopWindow( void )
971 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPopWindow" );
972 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutPopWindow" );
974 #if TARGET_HOST_UNIX_X11
976 XRaiseWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle );
978 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
981 fgStructure.CurrentWindow->Window.Handle,
984 SWP_NOSIZE | SWP_NOMOVE
991 * Resize the current window so that it fits the whole screen
993 void FGAPIENTRY glutFullScreen( void )
995 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFullScreen" );
996 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutFullScreen" );
999 #if TARGET_HOST_UNIX_X11
1005 fgStructure.CurrentWindow->Window.Handle,
1007 fgDisplay.ScreenWidth,
1008 fgDisplay.ScreenHeight
1011 XFlush( fgDisplay.Display ); /* This is needed */
1013 XTranslateCoordinates(
1015 fgStructure.CurrentWindow->Window.Handle,
1016 fgDisplay.RootWindow,
1024 fgStructure.CurrentWindow->Window.Handle,
1027 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
1029 #elif TARGET_HOST_WIN32
1032 /* For fullscreen mode, force the top-left corner to 0,0
1033 * and adjust the window rectangle so that the client area
1034 * covers the whole screen.
1039 rect.right = fgDisplay.ScreenWidth;
1040 rect.bottom = fgDisplay.ScreenHeight;
1042 AdjustWindowRect ( &rect, WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS |
1043 WS_CLIPCHILDREN, FALSE );
1046 * SWP_NOACTIVATE Do not activate the window
1047 * SWP_NOOWNERZORDER Do not change position in z-order
1048 * SWP_NOSENDCHANGING Supress WM_WINDOWPOSCHANGING message
1049 * SWP_NOZORDER Retains the current Z order (ignore 2nd param)
1052 SetWindowPos( fgStructure.CurrentWindow->Window.Handle,
1056 rect.right - rect.left,
1057 rect.bottom - rect.top,
1058 SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING |
1066 * A.Donev: Set and retrieve the window's user data
1068 void* FGAPIENTRY glutGetWindowData( void )
1070 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetWindowData" );
1071 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutGetWindowData" );
1072 return fgStructure.CurrentWindow->UserData;
1075 void FGAPIENTRY glutSetWindowData(void* data)
1077 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindowData" );
1078 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetWindowData" );
1079 fgStructure.CurrentWindow->UserData = data;
1082 /*** END OF FILE ***/