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 /* XXX Why are menus double- and depth-buffered? */
277 unsigned int current_DisplayMode = fgState.DisplayMode ;
278 fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH ;
279 window->Window.VisualInfo = fgChooseVisual( );
280 fgState.DisplayMode = current_DisplayMode ;
283 if( ! window->Window.VisualInfo )
286 * The "fgChooseVisual" returned a null meaning that the visual
287 * context is not available.
288 * Try a couple of variations to see if they will work.
290 if( !( fgState.DisplayMode & GLUT_DOUBLE ) )
292 fgState.DisplayMode |= GLUT_DOUBLE ;
293 window->Window.VisualInfo = fgChooseVisual( );
294 fgState.DisplayMode &= ~GLUT_DOUBLE;
298 * GLUT also checks for multi-sampling, but I don't see that
299 * anywhere else in FREEGLUT so I won't bother with it for the moment.
304 * XXX This seems to be abusing an assert() for error-checking.
305 * XXX It is possible that the visual simply can't be found,
306 * XXX in which case we should print an error and return a 0
307 * XXX for the window id, I think.
309 assert( window->Window.VisualInfo != NULL );
311 window->State.IsOffscreen = GL_FALSE;
312 if( fgState.DisplayMode & GLUT_OFFSCREEN )
314 window->State.IsOffscreen = GL_TRUE;
315 window->Window.Pixmap = XCreatePixmap(
316 fgDisplay.Display, fgDisplay.RootWindow,
318 window->Window.VisualInfo->depth
320 if( False != window->Window.Pixmap )
322 window->Window.Handle = glXCreateGLXPixmap(
324 window->Window.VisualInfo,
325 window->Window.Pixmap
327 if( False == window->Window.Handle )
328 XFreePixmap( fgDisplay.Display, window->Window.Pixmap );
334 * XXX HINT: the masks should be updated when adding/removing callbacks.
335 * XXX This might speed up message processing. Is that true?
337 * XXX A: Not appreciably, but it WILL make it easier to debug.
338 * XXX Try tracing old GLUT and try tracing freeglut. Old GLUT
339 * XXX turns off events that it doesn't need and is a whole lot
340 * XXX more pleasant to trace. (Think mouse-motion! Tons of
341 * XXX ``bonus'' GUI events stream in.)
344 StructureNotifyMask | SubstructureNotifyMask | ExposureMask |
345 ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyRelease |
346 VisibilityChangeMask | EnterWindowMask | LeaveWindowMask |
347 PointerMotionMask | ButtonMotionMask;
348 winAttr.background_pixmap = None;
349 winAttr.background_pixel = 0;
350 winAttr.border_pixel = 0;
352 winAttr.colormap = XCreateColormap(
353 fgDisplay.Display, fgDisplay.RootWindow,
354 window->Window.VisualInfo->visual, AllocNone
357 mask = CWBackPixmap | CWBorderPixel | CWColormap | CWEventMask;
359 if ( window->IsMenu )
361 winAttr.override_redirect = True;
362 mask |= CWOverrideRedirect;
365 window->Window.Handle = XCreateWindow(
367 window->Parent == NULL ? fgDisplay.RootWindow :
368 window->Parent->Window.Handle,
370 window->Window.VisualInfo->depth, InputOutput,
371 window->Window.VisualInfo->visual, mask,
376 * The GLX context creation, possibly trying the direct context rendering
377 * or else use the current context if the user has so specified
382 * If there isn't already an OpenGL rendering context for menu
385 if( !fgStructure.MenuContext )
387 fgStructure.MenuContext =
388 (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
389 fgStructure.MenuContext->VisualInfo = window->Window.VisualInfo;
390 fgStructure.MenuContext->Context = glXCreateContext(
391 fgDisplay.Display, fgStructure.MenuContext->VisualInfo,
392 NULL, fgState.ForceDirectContext | fgState.TryDirectContext
396 /* window->Window.Context = fgStructure.MenuContext->Context; */
397 window->Window.Context = glXCreateContext(
398 fgDisplay.Display, window->Window.VisualInfo,
399 NULL, fgState.ForceDirectContext | fgState.TryDirectContext
402 else if( fgState.UseCurrentContext )
404 window->Window.Context = glXGetCurrentContext( );
406 if( ! window->Window.Context )
407 window->Window.Context = glXCreateContext(
408 fgDisplay.Display, window->Window.VisualInfo,
409 NULL, fgState.ForceDirectContext | fgState.TryDirectContext
413 window->Window.Context = glXCreateContext(
414 fgDisplay.Display, window->Window.VisualInfo,
415 NULL, fgState.ForceDirectContext | fgState.TryDirectContext
418 if( fgState.ForceDirectContext &&
419 !glXIsDirect( fgDisplay.Display, window->Window.Context ) )
420 fgError( "unable to force direct context rendering for window '%s'",
425 window->Window.Handle,
426 window->Window.Context
430 * XXX Assume the new window is visible by default
431 * XXX Is this a safe assumption?
433 window->State.Visible = GL_TRUE;
436 if ( fgState.Position.Use )
437 sizeHints.flags |= USPosition;
438 if ( fgState.Size.Use )
439 sizeHints.flags |= USSize;
442 * Fill in the size hints values now (the x, y, width and height
443 * settings are obsolote, are there any more WMs that support them?)
444 * Unless the X servers actually stop supporting these, we should
445 * continue to fill them in. It is *not* our place to tell the user
446 * that they should replace a window manager that they like, and which
447 * works, just because *we* think that it's not "modern" enough.
452 sizeHints.height = h;
454 wmHints.flags = StateHint;
455 wmHints.initial_state = fgState.ForceIconic ? IconicState : NormalState;
456 if( GL_FALSE == window->State.IsOffscreen )
459 * Prepare the window and iconified window names...
461 XStringListToTextProperty( (char **) &title, 1, &textProperty );
465 window->Window.Handle,
475 XSetWMProtocols( fgDisplay.Display, window->Window.Handle,
476 &fgDisplay.DeleteWindow, 1 );
478 XMapWindow( fgDisplay.Display, window->Window.Handle );
481 #elif TARGET_HOST_WIN32
487 freeglut_assert_ready;
490 * Grab the window class we have registered on glutInit():
492 atom = GetClassInfo( fgDisplay.Instance, "FREEGLUT", &wc );
497 assert( window->Parent == NULL );
500 * Set the window creation flags appropriately to make the window
503 flags = WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
507 if ( ( ! isSubWindow ) && ( ! window->IsMenu ) )
510 * Update the window dimensions, taking account of window
511 * decorations. "freeglut" is to create the window with the
512 * outside of its border at (x,y) and with dimensions (w,h).
514 w += (GetSystemMetrics( SM_CXSIZEFRAME ) )*2;
515 h += (GetSystemMetrics( SM_CYSIZEFRAME ) )*2 +
516 GetSystemMetrics( SM_CYCAPTION );
519 if( ! fgState.Position.Use )
524 if( ! fgState.Size.Use )
531 * There's a small difference between creating the top, child and
534 flags = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
536 if ( window->IsMenu )
538 else if( window->Parent == NULL )
539 flags |= WS_OVERLAPPEDWINDOW;
544 window->Window.Handle = CreateWindow(
549 (HWND) window->Parent == NULL ? NULL : window->Parent->Window.Handle,
554 if( !( window->Window.Handle ) )
555 fgError( "Failed to create a window (%s)!", title );
557 ShowWindow( window->Window.Handle,
558 fgState.ForceIconic ? SW_SHOWMINIMIZED : SW_SHOW );
559 UpdateWindow( window->Window.Handle );
560 ShowCursor( TRUE ); /* XXX Old comments say "hide cusror"! */
564 fgSetWindow( window );
566 window->Window.DoubleBuffered =
567 ( fgState.DisplayMode & GLUT_DOUBLE ) ? 1 : 0;
569 if ( ! window->Window.DoubleBuffered )
571 glDrawBuffer ( GL_FRONT );
572 glReadBuffer ( GL_FRONT );
577 * Closes a window, destroying the frame and OpenGL context
579 void fgCloseWindow( SFG_Window* window )
581 freeglut_assert_ready;
583 #if TARGET_HOST_UNIX_X11
585 glXDestroyContext( fgDisplay.Display, window->Window.Context );
586 if( GL_FALSE == window->State.IsOffscreen )
587 XDestroyWindow( fgDisplay.Display, window->Window.Handle );
590 glXDestroyGLXPixmap( fgDisplay.Display, window->Window.Handle );
591 XFreePixmap( fgDisplay.Display, window->Window.Pixmap );
593 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
595 #elif TARGET_HOST_WIN32
598 * Make sure we don't close a window with current context active
600 if( fgStructure.Window == window )
601 wglMakeCurrent( NULL, NULL );
604 * Step through the list of windows. If the rendering context
605 * is not being used by another window, then we delete it.
611 for( iter = (SFG_Window *)fgStructure.Windows.First;
613 iter = (SFG_Window *)iter->Node.Next )
615 if( ( iter->Window.Context == window->Window.Context ) &&
621 wglDeleteContext( window->Window.Context );
624 DestroyWindow( window->Window.Handle );
629 /* -- INTERFACE FUNCTIONS -------------------------------------------------- */
632 * Creates a new top-level freeglut window
634 int FGAPIENTRY glutCreateWindow( const char* title )
636 return fgCreateWindow( NULL, title, fgState.Position.X, fgState.Position.Y,
637 fgState.Size.X, fgState.Size.Y, GL_FALSE,
642 * This function creates a sub window.
644 int FGAPIENTRY glutCreateSubWindow( int parentID, int x, int y, int w, int h )
648 if( GL_FALSE == fgStructure.Window->State.IsOffscreen )
650 SFG_Window* window = NULL;
651 SFG_Window* parent = NULL;
653 freeglut_assert_ready;
654 parent = fgWindowByID( parentID );
655 freeglut_return_val_if_fail( parent != NULL, 0 );
656 window = fgCreateWindow( parent, "", x, y, w, h, GL_FALSE, GL_FALSE );
663 * Destroys a window and all of its subwindows
665 void FGAPIENTRY glutDestroyWindow( int windowID )
667 SFG_Window* window = fgWindowByID( windowID );
668 freeglut_return_if_fail( window != NULL );
670 fgExecutionState ExecState = fgState.ExecState;
671 fgAddToWindowDestroyList( window );
672 fgState.ExecState = ExecState;
677 * This function selects the current window
679 void FGAPIENTRY glutSetWindow( int ID )
681 SFG_Window* window = NULL;
683 freeglut_assert_ready;
684 if( fgStructure.Window != NULL )
685 if( fgStructure.Window->ID == ID )
688 window = fgWindowByID( ID );
691 fgWarning( "glutSetWindow(): window ID %i not found!", ID );
695 fgSetWindow( window );
699 * This function returns the ID number of the current window, 0 if none exists
701 int FGAPIENTRY glutGetWindow( void )
703 freeglut_assert_ready;
704 if( fgStructure.Window == NULL )
706 return fgStructure.Window->ID;
710 * This function makes the current window visible
712 void FGAPIENTRY glutShowWindow( void )
714 freeglut_assert_ready;
715 freeglut_assert_window;
717 if( GL_FALSE == fgStructure.Window->State.IsOffscreen )
719 #if TARGET_HOST_UNIX_X11
721 XMapWindow( fgDisplay.Display, fgStructure.Window->Window.Handle );
722 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
724 #elif TARGET_HOST_WIN32
726 ShowWindow( fgStructure.Window->Window.Handle, SW_SHOW );
730 fgStructure.Window->State.Redisplay = GL_TRUE;
734 * This function hides the current window
736 void FGAPIENTRY glutHideWindow( void )
738 freeglut_assert_ready;
739 freeglut_assert_window;
741 if( GL_FALSE == fgStructure.Window->State.IsOffscreen )
743 #if TARGET_HOST_UNIX_X11
745 if( fgStructure.Window->Parent == NULL )
746 XWithdrawWindow( fgDisplay.Display,
747 fgStructure.Window->Window.Handle,
750 XUnmapWindow( fgDisplay.Display,
751 fgStructure.Window->Window.Handle );
752 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
754 #elif TARGET_HOST_WIN32
756 ShowWindow( fgStructure.Window->Window.Handle, SW_HIDE );
760 fgStructure.Window->State.Redisplay = GL_FALSE;
764 * Iconify the current window (top-level windows only)
766 void FGAPIENTRY glutIconifyWindow( void )
768 freeglut_assert_ready;
769 freeglut_assert_window;
771 fgStructure.Window->State.Visible = GL_FALSE;
772 if( GL_FALSE == fgStructure.Window->State.IsOffscreen )
774 #if TARGET_HOST_UNIX_X11
776 XIconifyWindow( fgDisplay.Display, fgStructure.Window->Window.Handle,
778 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
780 #elif TARGET_HOST_WIN32
782 ShowWindow( fgStructure.Window->Window.Handle, SW_MINIMIZE );
786 fgStructure.Window->State.Redisplay = GL_FALSE;
790 * Set the current window's title
792 void FGAPIENTRY glutSetWindowTitle( const char* title )
794 freeglut_assert_ready;
795 freeglut_assert_window;
796 if( ! fgStructure.Window->Parent &&
797 ( GL_FALSE == fgStructure.Window->State.IsOffscreen ) )
799 #if TARGET_HOST_UNIX_X11
803 text.value = (unsigned char *) title;
804 text.encoding = XA_STRING;
806 text.nitems = strlen( title );
810 fgStructure.Window->Window.Handle,
814 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
816 #elif TARGET_HOST_WIN32
818 SetWindowText( fgStructure.Window->Window.Handle, title );
825 * Set the current window's iconified title
827 void FGAPIENTRY glutSetIconTitle( const char* title )
829 freeglut_assert_ready;
830 freeglut_assert_window;
832 if( ! fgStructure.Window->Parent &&
833 GL_FALSE == fgStructure.Window->State.IsOffscreen )
835 #if TARGET_HOST_UNIX_X11
839 text.value = (unsigned char *) title;
840 text.encoding = XA_STRING;
842 text.nitems = strlen( title );
846 fgStructure.Window->Window.Handle,
850 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
852 #elif TARGET_HOST_WIN32
854 SetWindowText( fgStructure.Window->Window.Handle, title );
861 * Change the current window's size
863 void FGAPIENTRY glutReshapeWindow( int width, int height )
865 freeglut_assert_ready;
866 freeglut_assert_window;
868 /* XXX Could delete/create/set-window-id for offscreen. */
869 if( GL_FALSE == fgStructure.Window->State.IsOffscreen )
871 fgStructure.Window->State.NeedToResize = GL_TRUE;
872 fgStructure.Window->State.Width = width ;
873 fgStructure.Window->State.Height = height;
878 * Change the current window's position
880 void FGAPIENTRY glutPositionWindow( int x, int y )
882 freeglut_assert_ready;
883 freeglut_assert_window;
885 if( GL_FALSE == fgStructure.Window->State.IsOffscreen )
887 #if TARGET_HOST_UNIX_X11
889 XMoveWindow( fgDisplay.Display, fgStructure.Window->Window.Handle,
891 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
893 #elif TARGET_HOST_WIN32
897 GetWindowRect( fgStructure.Window->Window.Handle, &winRect );
899 fgStructure.Window->Window.Handle,
902 winRect.right - winRect.left,
903 winRect.bottom - winRect.top,
912 * Lowers the current window (by Z order change)
914 void FGAPIENTRY glutPushWindow( void )
916 freeglut_assert_ready;
917 freeglut_assert_window;
919 if( GL_FALSE == fgStructure.Window->State.IsOffscreen )
921 #if TARGET_HOST_UNIX_X11
923 XLowerWindow( fgDisplay.Display, fgStructure.Window->Window.Handle );
925 #elif TARGET_HOST_WIN32
928 fgStructure.Window->Window.Handle,
931 SWP_NOSIZE | SWP_NOMOVE
939 * Raises the current window (by Z order change)
941 void FGAPIENTRY glutPopWindow( void )
943 freeglut_assert_ready;
944 freeglut_assert_window;
946 if( GL_FALSE == fgStructure.Window->State.IsOffscreen )
948 #if TARGET_HOST_UNIX_X11
950 XRaiseWindow( fgDisplay.Display, fgStructure.Window->Window.Handle );
952 #elif TARGET_HOST_WIN32
955 fgStructure.Window->Window.Handle,
958 SWP_NOSIZE | SWP_NOMOVE
966 * Resize the current window so that it fits the whole screen
968 void FGAPIENTRY glutFullScreen( void )
970 freeglut_assert_ready;
971 freeglut_assert_window;
973 if( GL_FALSE == fgStructure.Window->State.IsOffscreen )
975 #if TARGET_HOST_UNIX_X11
981 fgStructure.Window->Window.Handle,
983 fgDisplay.ScreenWidth,
984 fgDisplay.ScreenHeight
987 XFlush( fgDisplay.Display ); /* This is needed */
989 XTranslateCoordinates(
991 fgStructure.Window->Window.Handle,
992 fgDisplay.RootWindow,
1000 fgStructure.Window->Window.Handle,
1003 XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
1005 #elif TARGET_HOST_WIN32
1008 /* For fullscreen mode, force the top-left corner to 0,0
1009 * and adjust the window rectangle so that the client area
1010 * covers the whole screen.
1015 rect.right = fgDisplay.ScreenWidth;
1016 rect.bottom = fgDisplay.ScreenHeight;
1018 AdjustWindowRect ( &rect, WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS |
1019 WS_CLIPCHILDREN, FALSE );
1022 * SWP_NOACTIVATE Do not activate the window
1023 * SWP_NOOWNERZORDER Do not change position in z-order
1024 * SWP_NOSENDCHANGING Supress WM_WINDOWPOSCHANGING message
1025 * SWP_NOZORDER Retains the current Z order (ignore 2nd param)
1028 SetWindowPos( fgStructure.Window->Window.Handle,
1032 rect.right - rect.left,
1033 rect.bottom - rect.top,
1034 SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING |
1042 * A.Donev: Set and retrieve the window's user data
1044 void* FGAPIENTRY glutGetWindowData( void )
1046 return fgStructure.Window->UserData;
1049 void FGAPIENTRY glutSetWindowData(void* data)
1051 fgStructure.Window->UserData = data;
1054 /*** END OF FILE ***/