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.
32 #include "../include/GL/freeglut.h"
33 #include "freeglut_internal.h"
36 * TODO BEFORE THE STABLE RELEASE:
38 * fgChooseVisual() -- OK, but what about glutInitDisplayString()?
39 * fgSetupPixelFormat -- ignores the display mode settings
40 * fgOpenWindow() -- check the Win32 version, -iconic handling!
41 * fgCloseWindow() -- check the Win32 version
42 * glutCreateWindow() -- Check when default position and size is {-1,-1}
43 * glutCreateSubWindow() -- Check when default position and size is {-1,-1}
44 * glutDestroyWindow() -- check the Win32 version
45 * glutSetWindow() -- check the Win32 version
46 * glutGetWindow() -- OK
47 * glutSetWindowTitle() -- check the Win32 version
48 * glutSetIconTitle() -- check the Win32 version
49 * glutShowWindow() -- check the Win32 version
50 * glutHideWindow() -- check the Win32 version
51 * glutIconifyWindow() -- check the Win32 version
52 * glutReshapeWindow() -- check the Win32 version
53 * glutPositionWindow() -- check the Win32 version
54 * glutPushWindow() -- check the Win32 version
55 * glutPopWindow() -- check the Win32 version
58 /* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
61 * Chooses a visual basing on the current display mode settings
63 #if TARGET_HOST_UNIX_X11
65 XVisualInfo* fgChooseVisual( void )
67 #define BUFFER_SIZES 6
68 int bufferSize[BUFFER_SIZES] = { 16, 12, 8, 4, 2, 1 };
69 GLboolean wantIndexedMode = GL_FALSE;
74 * First we have to process the display mode settings...
77 * Why is there a semi-colon in this #define? The code
78 * that uses the macro seems to always add more semicolons...
80 #define ATTRIB(a) attributes[where++]=a;
81 #define ATTRIB_VAL(a,v) {ATTRIB(a); ATTRIB(v);}
83 if( fgState.DisplayMode & GLUT_INDEX )
85 ATTRIB_VAL( GLX_BUFFER_SIZE, 8 );
86 wantIndexedMode = GL_TRUE;
91 ATTRIB_VAL( GLX_RED_SIZE, 1 );
92 ATTRIB_VAL( GLX_GREEN_SIZE, 1 );
93 ATTRIB_VAL( GLX_BLUE_SIZE, 1 );
94 if( fgState.DisplayMode & GLUT_ALPHA )
95 ATTRIB_VAL( GLX_ALPHA_SIZE, 1 );
98 if( fgState.DisplayMode & GLUT_DOUBLE )
99 ATTRIB( GLX_DOUBLEBUFFER );
101 if( fgState.DisplayMode & GLUT_STEREO )
102 ATTRIB( GLX_STEREO );
104 if( fgState.DisplayMode & GLUT_DEPTH )
105 ATTRIB_VAL( GLX_DEPTH_SIZE, 1 );
107 if( fgState.DisplayMode & GLUT_STENCIL )
108 ATTRIB_VAL( GLX_STENCIL_SIZE, 1 );
110 if( fgState.DisplayMode & GLUT_ACCUM )
112 ATTRIB_VAL( GLX_ACCUM_RED_SIZE, 1 );
113 ATTRIB_VAL( GLX_ACCUM_GREEN_SIZE, 1 );
114 ATTRIB_VAL( GLX_ACCUM_BLUE_SIZE, 1 );
115 if( fgState.DisplayMode & GLUT_ALPHA )
116 ATTRIB_VAL( GLX_ACCUM_ALPHA_SIZE, 1 );
120 * Push a null at the end of the list
124 if( ! wantIndexedMode )
125 return glXChooseVisual( fgDisplay.Display, fgDisplay.Screen,
129 XVisualInfo* visualInfo;
133 * In indexed mode, we need to check how many bits of depth can we
134 * achieve. We do this by trying each possibility from the list
135 * given in the {bufferSize} array. If we match, we return to caller.
137 for( i=0; i<BUFFER_SIZES; i++ )
139 attributes[ 1 ] = bufferSize[ i ];
140 visualInfo = glXChooseVisual( fgDisplay.Display, fgDisplay.Screen,
142 if( visualInfo != NULL )
151 * Setup the pixel format for a Win32 window
153 #if TARGET_HOST_WIN32
154 GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
155 unsigned char layer_type )
157 PIXELFORMATDESCRIPTOR* ppfd, pfd;
158 int flags, pixelformat;
160 freeglut_return_val_if_fail( window != NULL, 0 );
161 flags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
162 if( fgState.DisplayMode & GLUT_DOUBLE )
163 flags |= PFD_DOUBLEBUFFER;
165 #if defined(_MSC_VER)
166 #pragma message( "fgSetupPixelFormat(): there is still some work to do here!" )
170 * Specify which pixel format do we opt for...
172 pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
175 pfd.iPixelType = PFD_TYPE_RGBA;
186 pfd.cAccumRedBits = 0;
187 pfd.cAccumGreenBits = 0;
188 pfd.cAccumBlueBits = 0;
189 pfd.cAccumAlphaBits = 0;
192 pfd.cStencilBits = 0;
195 pfd.cStencilBits = 8;
198 pfd.iLayerType = layer_type;
201 pfd.dwVisibleMask = 0;
202 pfd.dwDamageMask = 0;
204 pfd.cColorBits = (BYTE) GetDeviceCaps( window->Window.Device, BITSPIXEL );
207 pixelformat = ChoosePixelFormat( window->Window.Device, ppfd );
208 if( pixelformat == 0 )
213 return SetPixelFormat( window->Window.Device, pixelformat, ppfd );
218 * Sets the OpenGL context and the fgStructure "Current Window" pointer to
219 * the window structure passed in.
221 void fgSetWindow ( SFG_Window *window )
223 #if TARGET_HOST_UNIX_X11
227 window->Window.Handle,
228 window->Window.Context
230 #elif TARGET_HOST_WIN32
231 if( fgStructure.Window )
232 ReleaseDC( fgStructure.Window->Window.Handle,
233 fgStructure.Window->Window.Device );
237 window->Window.Device = GetDC( window->Window.Handle );
239 window->Window.Device,
240 window->Window.Context
244 fgStructure.Window = window;
249 * Opens a window. Requires a SFG_Window object created and attached
250 * to the freeglut structure. OpenGL context is created here.
252 void fgOpenWindow( SFG_Window* window, const char* title,
253 int x, int y, int w, int h,
254 GLboolean gameMode, GLboolean isSubWindow )
256 #if TARGET_HOST_UNIX_X11
257 XSetWindowAttributes winAttr;
258 XTextProperty textProperty;
259 XSizeHints sizeHints;
263 freeglut_assert_ready;
266 * XXX fgChooseVisual() is a common part of all three.
267 * XXX With a little thought, we should be able to greatly
270 if ( !window->IsMenu )
271 window->Window.VisualInfo = fgChooseVisual();
272 else if ( fgStructure.MenuContext )
273 window->Window.VisualInfo = fgChooseVisual();
276 unsigned int current_DisplayMode = fgState.DisplayMode ;
277 fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH ;
278 window->Window.VisualInfo = fgChooseVisual();
279 fgState.DisplayMode = current_DisplayMode ;
282 if ( ! window->Window.VisualInfo )
285 * The "fgChooseVisual" returned a null meaning that the visual
286 * context is not available.
287 * Try a couple of variations to see if they will work.
289 if ( ! ( fgState.DisplayMode & GLUT_DOUBLE ) )
291 fgState.DisplayMode |= GLUT_DOUBLE ;
292 window->Window.VisualInfo = fgChooseVisual();
293 fgState.DisplayMode &= ~GLUT_DOUBLE ;
297 * GLUT also checks for multi-sampling, but I don't see that
298 * anywhere else in FREEGLUT so I won't bother with it for the moment.
302 assert( window->Window.VisualInfo != NULL );
305 * XXX HINT: the masks should be updated when adding/removing callbacks.
306 * XXX This might speed up message processing. Is that true?
308 * XXX A: Not appreciably, but it WILL make it easier to debug.
309 * XXX Try tracing old GLUT and try tracing freeglut. Old GLUT
310 * XXX turns off events that it doesn't need and is a whole lot
311 * XXX more pleasant to trace. (Hint: Think mouse-motion!)
313 * XXX It may make a difference in networked environments or on
314 * XXX some very slow systems, but I think that that is secondary
315 * XXX to making debugging easier.
317 winAttr.event_mask = StructureNotifyMask | SubstructureNotifyMask |
318 ExposureMask | ButtonPressMask | ButtonReleaseMask | KeyPressMask |
319 KeyRelease | VisibilityChangeMask | EnterWindowMask | LeaveWindowMask |
320 PointerMotionMask | ButtonMotionMask;
321 winAttr.background_pixmap = None;
322 winAttr.background_pixel = 0;
323 winAttr.border_pixel = 0;
325 winAttr.colormap = XCreateColormap(
326 fgDisplay.Display, fgDisplay.RootWindow,
327 window->Window.VisualInfo->visual, AllocNone
330 mask = CWBackPixmap | CWBorderPixel | CWColormap | CWEventMask;
332 if ( window->IsMenu )
334 winAttr.override_redirect = True;
335 mask |= CWOverrideRedirect;
338 window->Window.Handle = XCreateWindow(
340 window->Parent == NULL ? fgDisplay.RootWindow :
341 window->Parent->Window.Handle,
343 window->Window.VisualInfo->depth, InputOutput,
344 window->Window.VisualInfo->visual, mask,
349 * The GLX context creation, possibly trying the direct context rendering
350 * or else use the current context if the user has so specified
352 if ( window->IsMenu )
355 * If there isn't already an OpenGL rendering context for menu
358 if ( !fgStructure.MenuContext )
360 fgStructure.MenuContext =
361 (SFG_MenuContext *)malloc ( sizeof(SFG_MenuContext) );
362 fgStructure.MenuContext->VisualInfo = window->Window.VisualInfo;
363 fgStructure.MenuContext->Context = glXCreateContext(
364 fgDisplay.Display, fgStructure.MenuContext->VisualInfo,
365 NULL, fgState.ForceDirectContext | fgState.TryDirectContext
369 /* window->Window.Context = fgStructure.MenuContext->Context ; */
370 window->Window.Context = glXCreateContext(
371 fgDisplay.Display, window->Window.VisualInfo,
372 NULL, fgState.ForceDirectContext | fgState.TryDirectContext
375 else if ( fgState.UseCurrentContext )
377 window->Window.Context = glXGetCurrentContext();
379 if ( ! window->Window.Context )
380 window->Window.Context = glXCreateContext(
381 fgDisplay.Display, window->Window.VisualInfo,
382 NULL, fgState.ForceDirectContext | fgState.TryDirectContext
386 window->Window.Context = glXCreateContext(
387 fgDisplay.Display, window->Window.VisualInfo,
388 NULL, fgState.ForceDirectContext | fgState.TryDirectContext
391 if( fgState.ForceDirectContext &&
392 !glXIsDirect( fgDisplay.Display, window->Window.Context ) )
393 fgError( "unable to force direct context rendering for window '%s'",
398 window->Window.Handle,
399 window->Window.Context
403 * XXX Assume the new window is visible by default
404 * XXX Is this a safe assumption?
406 window->State.Visible = GL_TRUE;
409 if ( fgState.Position.Use )
410 sizeHints.flags |= USPosition;
411 if ( fgState.Size.Use )
412 sizeHints.flags |= USSize;
415 * Fill in the size hints values now (the x, y, width and height
416 * settings are obsolote, are there any more WMs that support them?)
417 * Unless the X servers actually stop supporting these, we should
418 * continue to fill them in. It is *not* our place to tell the user
419 * that they should replace a window manager that they like, and which
420 * works, just because *we* think that it's not "modern" enough.
425 sizeHints.height = h;
427 wmHints.flags = StateHint;
428 wmHints.initial_state = fgState.ForceIconic ? IconicState : NormalState;
431 * Prepare the window and iconified window names...
433 XStringListToTextProperty( (char **) &title, 1, &textProperty );
437 window->Window.Handle,
446 XSetWMProtocols( fgDisplay.Display, window->Window.Handle,
447 &fgDisplay.DeleteWindow, 1 );
448 XMapWindow( fgDisplay.Display, window->Window.Handle );
450 #elif TARGET_HOST_WIN32
456 freeglut_assert_ready;
459 * Grab the window class we have registered on glutInit():
461 atom = GetClassInfo( fgDisplay.Instance, "FREEGLUT", &wc );
466 assert( window->Parent == NULL );
469 * Set the window creation flags appropriately to make the window
472 flags = WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
476 if ( ( ! isSubWindow ) && ( ! window->IsMenu ) )
479 * Update the window dimensions, taking account of window
480 * decorations. "freeglut" is to create the window with the
481 * outside of its border at (x,y) and with dimensions (w,h).
483 w += (GetSystemMetrics( SM_CXSIZEFRAME ) )*2;
484 h += (GetSystemMetrics( SM_CYSIZEFRAME ) )*2 +
485 GetSystemMetrics( SM_CYCAPTION );
488 if( ! fgState.Position.Use )
493 if( ! fgState.Size.Use )
500 * There's a small difference between creating the top, child and
503 flags = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
505 if ( window->IsMenu )
507 else if( window->Parent == NULL )
508 flags |= WS_OVERLAPPEDWINDOW;
513 window->Window.Handle = CreateWindow(
518 (HWND) window->Parent == NULL ? NULL : window->Parent->Window.Handle,
523 if( !( window->Window.Handle ) )
524 fgError( "Failed to create a window (%s)!", title );
526 ShowWindow( window->Window.Handle,
527 fgState.ForceIconic ? SW_SHOWMINIMIZED : SW_SHOW );
528 UpdateWindow( window->Window.Handle );
529 ShowCursor( TRUE ); /* XXX Old comments say "hide cusror"! */
533 fgSetWindow( window );
535 window->Window.DoubleBuffered =
536 ( fgState.DisplayMode & GLUT_DOUBLE ) ? 1 : 0;
538 if ( ! window->Window.DoubleBuffered )
540 glDrawBuffer ( GL_FRONT );
541 glReadBuffer ( GL_FRONT );
546 * Closes a window, destroying the frame and OpenGL context
548 void fgCloseWindow( SFG_Window* window )
550 freeglut_assert_ready;
552 #if TARGET_HOST_UNIX_X11
554 glXDestroyContext( fgDisplay.Display, window->Window.Context );
555 XDestroyWindow( fgDisplay.Display, window->Window.Handle );
556 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
558 #elif TARGET_HOST_WIN32
561 * Make sure we don't close a window with current context active
563 if( fgStructure.Window == window )
564 wglMakeCurrent( NULL, NULL );
567 * Step through the list of windows. If the rendering context
568 * is not being used by another window, then we delete it.
574 for( iter = (SFG_Window *)fgStructure.Windows.First;
576 iter = (SFG_Window *)iter->Node.Next )
578 if( ( iter->Window.Context == window->Window.Context ) &&
584 wglDeleteContext( window->Window.Context );
587 DestroyWindow( window->Window.Handle );
592 /* -- INTERFACE FUNCTIONS -------------------------------------------------- */
595 * Creates a new top-level freeglut window
597 int FGAPIENTRY glutCreateWindow( const char* title )
599 return fgCreateWindow( NULL, title, fgState.Position.X, fgState.Position.Y,
600 fgState.Size.X, fgState.Size.Y, GL_FALSE,
605 * This function creates a sub window.
607 int FGAPIENTRY glutCreateSubWindow( int parentID, int x, int y, int w, int h )
609 SFG_Window* window = NULL;
610 SFG_Window* parent = NULL;
612 freeglut_assert_ready;
613 parent = fgWindowByID( parentID );
614 freeglut_return_val_if_fail( parent != NULL, 0 );
615 window = fgCreateWindow( parent, "", x, y, w, h, GL_FALSE, GL_FALSE );
620 * Destroys a window and all of its subwindows
622 void FGAPIENTRY glutDestroyWindow( int windowID )
624 SFG_Window* window = fgWindowByID( windowID );
625 freeglut_return_if_fail( window != NULL );
627 fgExecutionState ExecState = fgState.ExecState;
628 fgAddToWindowDestroyList( window );
629 fgState.ExecState = ExecState;
634 * This function selects the current window
636 void FGAPIENTRY glutSetWindow( int ID )
638 SFG_Window* window = NULL;
640 freeglut_assert_ready;
641 if( fgStructure.Window != NULL )
642 if( fgStructure.Window->ID == ID )
645 window = fgWindowByID( ID );
648 fgWarning( "glutSetWindow(): window ID %i not found!", ID );
652 fgSetWindow( window );
656 * This function returns the ID number of the current window, 0 if none exists
658 int FGAPIENTRY glutGetWindow( void )
660 freeglut_assert_ready;
661 if( fgStructure.Window == NULL )
663 return fgStructure.Window->ID;
667 * This function makes the current window visible
669 void FGAPIENTRY glutShowWindow( void )
671 freeglut_assert_ready;
672 freeglut_assert_window;
674 #if TARGET_HOST_UNIX_X11
676 XMapWindow( fgDisplay.Display, fgStructure.Window->Window.Handle );
677 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
679 #elif TARGET_HOST_WIN32
681 ShowWindow( fgStructure.Window->Window.Handle, SW_SHOW );
685 fgStructure.Window->State.Redisplay = GL_TRUE;
689 * This function hides the current window
691 void FGAPIENTRY glutHideWindow( void )
693 freeglut_assert_ready;
694 freeglut_assert_window;
696 #if TARGET_HOST_UNIX_X11
698 if( fgStructure.Window->Parent == NULL )
699 XWithdrawWindow( fgDisplay.Display, fgStructure.Window->Window.Handle,
702 XUnmapWindow( fgDisplay.Display, fgStructure.Window->Window.Handle );
703 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
705 #elif TARGET_HOST_WIN32
707 ShowWindow( fgStructure.Window->Window.Handle, SW_HIDE );
711 fgStructure.Window->State.Redisplay = GL_FALSE;
715 * Iconify the current window (top-level windows only)
717 void FGAPIENTRY glutIconifyWindow( void )
719 freeglut_assert_ready;
720 freeglut_assert_window;
722 fgStructure.Window->State.Visible = GL_FALSE;
724 #if TARGET_HOST_UNIX_X11
726 XIconifyWindow( fgDisplay.Display, fgStructure.Window->Window.Handle,
728 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
730 #elif TARGET_HOST_WIN32
732 ShowWindow( fgStructure.Window->Window.Handle, SW_MINIMIZE );
736 fgStructure.Window->State.Redisplay = GL_FALSE;
740 * Set the current window's title
742 void FGAPIENTRY glutSetWindowTitle( const char* title )
744 freeglut_assert_ready;
745 freeglut_assert_window;
746 if( fgStructure.Window->Parent != NULL )
749 #if TARGET_HOST_UNIX_X11
754 text.value = (unsigned char *) title;
755 text.encoding = XA_STRING;
757 text.nitems = strlen( title );
761 fgStructure.Window->Window.Handle,
765 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
768 #elif TARGET_HOST_WIN32
770 SetWindowText( fgStructure.Window->Window.Handle, title );
777 * Set the current window's iconified title
779 void FGAPIENTRY glutSetIconTitle( const char* title )
781 freeglut_assert_ready;
782 freeglut_assert_window;
784 if( fgStructure.Window->Parent != NULL )
787 #if TARGET_HOST_UNIX_X11
792 text.value = (unsigned char *) title;
793 text.encoding = XA_STRING;
795 text.nitems = strlen( title );
799 fgStructure.Window->Window.Handle,
803 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
806 #elif TARGET_HOST_WIN32
808 SetWindowText( fgStructure.Window->Window.Handle, title );
815 * Change the current window's size
817 void FGAPIENTRY glutReshapeWindow( int width, int height )
819 freeglut_assert_ready;
820 freeglut_assert_window;
822 fgStructure.Window->State.NeedToResize = GL_TRUE;
823 fgStructure.Window->State.Width = width ;
824 fgStructure.Window->State.Height = height;
828 * Change the current window's position
830 void FGAPIENTRY glutPositionWindow( int x, int y )
832 freeglut_assert_ready;
833 freeglut_assert_window;
835 #if TARGET_HOST_UNIX_X11
837 XMoveWindow( fgDisplay.Display, fgStructure.Window->Window.Handle, x, y );
838 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
840 #elif TARGET_HOST_WIN32
845 GetWindowRect( fgStructure.Window->Window.Handle, &winRect );
847 fgStructure.Window->Window.Handle,
850 winRect.right - winRect.left,
851 winRect.bottom - winRect.top,
861 * Lowers the current window (by Z order change)
863 void FGAPIENTRY glutPushWindow( void )
865 freeglut_assert_ready;
866 freeglut_assert_window;
868 #if TARGET_HOST_UNIX_X11
870 XLowerWindow( fgDisplay.Display, fgStructure.Window->Window.Handle );
872 #elif TARGET_HOST_WIN32
875 fgStructure.Window->Window.Handle,
878 SWP_NOSIZE | SWP_NOMOVE
886 * Raises the current window (by Z order change)
888 void FGAPIENTRY glutPopWindow( void )
890 freeglut_assert_ready;
891 freeglut_assert_window;
893 #if TARGET_HOST_UNIX_X11
895 XRaiseWindow( fgDisplay.Display, fgStructure.Window->Window.Handle );
897 #elif TARGET_HOST_WIN32
900 fgStructure.Window->Window.Handle,
903 SWP_NOSIZE | SWP_NOMOVE
911 * Resize the current window so that it fits the whole screen
913 void FGAPIENTRY glutFullScreen( void )
915 freeglut_assert_ready;
916 freeglut_assert_window;
918 #if TARGET_HOST_UNIX_X11
925 fgStructure.Window->Window.Handle,
927 fgDisplay.ScreenWidth,
928 fgDisplay.ScreenHeight
931 XFlush( fgDisplay.Display ); /* This is needed */
933 XTranslateCoordinates(
935 fgStructure.Window->Window.Handle,
936 fgDisplay.RootWindow,
944 fgStructure.Window->Window.Handle,
947 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
950 #elif TARGET_HOST_WIN32
954 /* For fullscreen mode, force the top-left corner to 0,0
955 * and adjust the window rectangle so that the client area
956 * covers the whole screen.
961 rect.right = fgDisplay.ScreenWidth;
962 rect.bottom = fgDisplay.ScreenHeight;
964 AdjustWindowRect ( &rect, WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS |
965 WS_CLIPCHILDREN, FALSE );
968 * SWP_NOACTIVATE Do not activate the window
969 * SWP_NOOWNERZORDER Do not change position in z-order
970 * SWP_NOSENDCHANGING Supress WM_WINDOWPOSCHANGING message
971 * SWP_NOZORDER Retains the current Z order (ignore 2nd param)
974 SetWindowPos( fgStructure.Window->Window.Handle,
978 rect.right - rect.left,
979 rect.bottom - rect.top,
980 SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING |
988 * A.Donev: Set and retrieve the window's user data
990 void* FGAPIENTRY glutGetWindowData( void )
992 return fgStructure.Window->UserData;
995 void FGAPIENTRY glutSetWindowData(void* data)
997 fgStructure.Window->UserData=data;
1000 /*** END OF FILE ***/