2 * freeglut_window_mswin.c
4 * The Windows-specific mouse cursor related stuff.
6 * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
7 * Written by John F. Fay, <fayjf@sourceforge.net>
8 * Creation date: Sun Jan 22, 2012
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 #define FREEGLUT_BUILDING_LIB
29 #include <GL/freeglut.h>
30 #include "../fg_internal.h"
33 /* The following include file is available from SGI but is not standard:
34 * #include <GL/wglext.h>
35 * So we copy the necessary parts out of it.
36 * XXX: should local definitions for extensions be put in a separate include file?
38 typedef const char * (WINAPI * PFNWGLGETEXTENSIONSSTRINGARBPROC) (HDC hdc);
40 typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATARBPROC) (HDC hdc, const int *piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats);
42 #define WGL_DRAW_TO_WINDOW_ARB 0x2001
43 #define WGL_ACCELERATION_ARB 0x2003
44 #define WGL_SUPPORT_OPENGL_ARB 0x2010
45 #define WGL_DOUBLE_BUFFER_ARB 0x2011
46 #define WGL_COLOR_BITS_ARB 0x2014
47 #define WGL_ALPHA_BITS_ARB 0x201B
48 #define WGL_DEPTH_BITS_ARB 0x2022
49 #define WGL_STENCIL_BITS_ARB 0x2023
50 #define WGL_FULL_ACCELERATION_ARB 0x2027
52 #define WGL_SAMPLE_BUFFERS_ARB 0x2041
53 #define WGL_SAMPLES_ARB 0x2042
55 #define WGL_TYPE_RGBA_FLOAT_ARB 0x21A0
57 #define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20A9
59 #ifndef WGL_ARB_create_context
60 #define WGL_ARB_create_context 1
61 #ifdef WGL_WGLEXT_PROTOTYPES
62 extern HGLRC WINAPI wglCreateContextAttribsARB (HDC, HGLRC, const int *);
63 #endif /* WGL_WGLEXT_PROTOTYPES */
64 typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShareContext, const int *attribList);
66 #define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
67 #define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
68 #define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093
69 #define WGL_CONTEXT_FLAGS_ARB 0x2094
70 #define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
72 #define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001
73 #define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002
75 #define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
76 #define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
78 #define ERROR_INVALID_VERSION_ARB 0x2095
79 #define ERROR_INVALID_PROFILE_ARB 0x2096
81 /* End of copying the necessary parts out of it. */
84 typedef BOOL (WINAPI *pRegisterTouchWindow)(HWND,ULONG);
85 static pRegisterTouchWindow fghRegisterTouchWindow = (pRegisterTouchWindow)0xDEADBEEF;
90 * Setup the pixel format for a Win32 window
93 #if defined(_WIN32_WCE)
94 static wchar_t* fghWstrFromStr(const char* str)
96 int i,len=strlen(str);
97 wchar_t* wstr = (wchar_t*)malloc(2*len+2);
103 #endif /* defined(_WIN32_WCE) */
106 static void fghFillContextAttributes( int *attributes ) {
107 int where = 0, contextFlags, contextProfile;
109 ATTRIB_VAL( WGL_CONTEXT_MAJOR_VERSION_ARB, fgState.MajorVersion );
110 ATTRIB_VAL( WGL_CONTEXT_MINOR_VERSION_ARB, fgState.MinorVersion );
113 fghMapBit( fgState.ContextFlags, GLUT_DEBUG, WGL_CONTEXT_DEBUG_BIT_ARB ) |
114 fghMapBit( fgState.ContextFlags, GLUT_FORWARD_COMPATIBLE, WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB );
115 if ( contextFlags != 0 ) {
116 ATTRIB_VAL( WGL_CONTEXT_FLAGS_ARB, contextFlags );
120 fghMapBit( fgState.ContextProfile, GLUT_CORE_PROFILE, WGL_CONTEXT_CORE_PROFILE_BIT_ARB ) |
121 fghMapBit( fgState.ContextProfile, GLUT_COMPATIBILITY_PROFILE, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB );
122 if ( contextProfile != 0 ) {
123 ATTRIB_VAL( WGL_CONTEXT_PROFILE_MASK_ARB, contextProfile );
129 static int fghIsExtensionSupported( HDC hdc, const char *extension ) {
130 const char *pWglExtString;
131 PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetEntensionsStringARB =
132 (PFNWGLGETEXTENSIONSSTRINGARBPROC) wglGetProcAddress("wglGetExtensionsStringARB");
133 if ( wglGetEntensionsStringARB == NULL )
137 pWglExtString = wglGetEntensionsStringARB( hdc );
138 return ( pWglExtString != NULL ) && ( strstr(pWglExtString, extension) != NULL );
141 void fgNewWGLCreateContext( SFG_Window* window )
145 PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB;
147 /* If nothing fancy has been required, leave the context as it is */
148 if ( fghIsLegacyContextRequested() )
153 wglMakeCurrent( window->Window.pContext.Device, window->Window.Context );
155 if ( !fghIsExtensionSupported( window->Window.pContext.Device, "WGL_ARB_create_context" ) )
157 /* wglCreateContextAttribsARB not found, yet the user has requested the new context creation */
158 fgWarning( "OpenGL >2.1 context requested but wglCreateContextAttribsARB is not available! Falling back to legacy context creation" );
159 /* Legacy context already created at this point in WM_CREATE path of fgPlatformWindowProc, just return */
163 /* new context creation */
164 fghFillContextAttributes( attributes );
166 wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC) wglGetProcAddress( "wglCreateContextAttribsARB" );
167 if ( wglCreateContextAttribsARB == NULL )
169 /* wglCreateContextAttribsARB not found, yet the user has requested the new context creation */
170 fgWarning( "OpenGL >2.1 context requested but wglCreateContextAttribsARB is not available! Falling back to legacy context creation" );
171 /* Legacy context already created at this point in WM_CREATE path of fgPlatformWindowProc, just return */
175 context = wglCreateContextAttribsARB( window->Window.pContext.Device, 0, attributes );
176 if ( context == NULL )
178 fghContextCreationError();
181 wglMakeCurrent( NULL, NULL );
182 wglDeleteContext( window->Window.Context );
183 window->Window.Context = context;
186 #if !defined(_WIN32_WCE)
188 static void fghFillPFD( PIXELFORMATDESCRIPTOR *ppfd, HDC hdc, unsigned char layer_type )
190 int flags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
191 if ( fgState.DisplayMode & GLUT_DOUBLE ) {
192 flags |= PFD_DOUBLEBUFFER;
194 if ( fgState.DisplayMode & GLUT_STEREO ) {
198 #if defined(_MSC_VER)
199 #pragma message( "fgSetupPixelFormat(): there is still some work to do here!" )
202 /* Specify which pixel format do we opt for... */
203 ppfd->nSize = sizeof(PIXELFORMATDESCRIPTOR);
205 ppfd->dwFlags = flags;
207 if( fgState.DisplayMode & GLUT_INDEX ) {
208 ppfd->iPixelType = PFD_TYPE_COLORINDEX;
210 ppfd->cGreenBits = 0;
212 ppfd->cAlphaBits = 0;
214 ppfd->iPixelType = PFD_TYPE_RGBA;
216 ppfd->cGreenBits = 8;
218 ppfd->cAlphaBits = ( fgState.DisplayMode & GLUT_ALPHA ) ? 8 : 0;
221 ppfd->cColorBits = 24;
223 ppfd->cGreenShift = 0;
224 ppfd->cBlueShift = 0;
225 ppfd->cAlphaShift = 0;
226 ppfd->cAccumBits = ( fgState.DisplayMode & GLUT_ACCUM ) ? 1 : 0;
227 ppfd->cAccumRedBits = 0;
228 ppfd->cAccumGreenBits = 0;
229 ppfd->cAccumBlueBits = 0;
230 ppfd->cAccumAlphaBits = 0;
232 /* Hmmm, or 32/0 instead of 24/8? */
233 ppfd->cDepthBits = 24;
234 ppfd->cStencilBits = 8;
236 ppfd->cAuxBuffers = fghNumberOfAuxBuffersRequested();
237 ppfd->iLayerType = layer_type;
239 ppfd->dwLayerMask = 0;
240 ppfd->dwVisibleMask = 0;
241 ppfd->dwDamageMask = 0;
243 ppfd->cColorBits = (BYTE) GetDeviceCaps( hdc, BITSPIXEL );
246 static void fghFillPixelFormatAttributes( int *attributes, const PIXELFORMATDESCRIPTOR *ppfd )
250 ATTRIB_VAL( WGL_DRAW_TO_WINDOW_ARB, GL_TRUE );
251 ATTRIB_VAL( WGL_SUPPORT_OPENGL_ARB, GL_TRUE );
252 ATTRIB_VAL( WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB );
254 ATTRIB_VAL( WGL_COLOR_BITS_ARB, ppfd->cColorBits );
255 ATTRIB_VAL( WGL_ALPHA_BITS_ARB, ppfd->cAlphaBits );
256 ATTRIB_VAL( WGL_DEPTH_BITS_ARB, ppfd->cDepthBits );
257 ATTRIB_VAL( WGL_STENCIL_BITS_ARB, ppfd->cStencilBits );
259 ATTRIB_VAL( WGL_DOUBLE_BUFFER_ARB, ( fgState.DisplayMode & GLUT_DOUBLE ) != 0 );
261 if ( fgState.DisplayMode & GLUT_SRGB ) {
262 ATTRIB_VAL( WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB, TRUE );
265 ATTRIB_VAL( WGL_SAMPLE_BUFFERS_ARB, GL_TRUE );
266 ATTRIB_VAL( WGL_SAMPLES_ARB, fgState.SampleNumber );
271 GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
272 unsigned char layer_type )
274 #if defined(_WIN32_WCE)
277 PIXELFORMATDESCRIPTOR pfd;
278 PIXELFORMATDESCRIPTOR* ppfd = &pfd;
284 current_hDC = CreateDC(TEXT("DISPLAY"), NULL ,NULL ,NULL);
286 current_hDC = window->Window.pContext.Device;
288 fghFillPFD( ppfd, current_hDC, layer_type );
289 pixelformat = ChoosePixelFormat( current_hDC, ppfd );
291 /* windows hack for multismapling/sRGB */
292 if ( ( fgState.DisplayMode & GLUT_MULTISAMPLE ) ||
293 ( fgState.DisplayMode & GLUT_SRGB ) )
295 HGLRC rc, rc_before=wglGetCurrentContext();
297 HDC hDC, hDC_before=wglGetCurrentDC();
300 /* create a dummy window */
301 ZeroMemory(&wndCls, sizeof(wndCls));
302 wndCls.lpfnWndProc = DefWindowProc;
303 wndCls.hInstance = fgDisplay.pDisplay.Instance;
304 wndCls.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
305 wndCls.lpszClassName = _T("FREEGLUT_dummy");
306 RegisterClass( &wndCls );
308 hWnd=CreateWindow(_T("FREEGLUT_dummy"), _T(""), WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW , 0,0,0,0, 0, 0, fgDisplay.pDisplay.Instance, 0 );
310 SetPixelFormat( hDC, pixelformat, ppfd );
312 rc = wglCreateContext( hDC );
313 wglMakeCurrent(hDC, rc);
315 if ( fghIsExtensionSupported( hDC, "WGL_ARB_multisample" ) )
317 PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARBProc =
318 (PFNWGLCHOOSEPIXELFORMATARBPROC) wglGetProcAddress("wglChoosePixelFormatARB");
319 if ( wglChoosePixelFormatARBProc )
324 float fAttributes[] = { 0, 0 };
326 fghFillPixelFormatAttributes( attributes, ppfd );
327 bValid = wglChoosePixelFormatARBProc(hDC, attributes, fAttributes, 1, &iPixelFormat, &numFormats);
329 if ( bValid && numFormats > 0 )
331 pixelformat = iPixelFormat;
336 wglMakeCurrent( hDC_before, rc_before);
337 wglDeleteContext(rc);
338 ReleaseDC(hWnd, hDC);
340 UnregisterClass(_T("FREEGLUT_dummy"), fgDisplay.pDisplay.Instance);
343 success = ( pixelformat != 0 ) && ( checkOnly || SetPixelFormat( current_hDC, pixelformat, ppfd ) );
346 DeleteDC(current_hDC);
349 #endif /* defined(_WIN32_WCE) */
354 void fgPlatformSetWindow ( SFG_Window *window )
356 if ( window != fgStructure.CurrentWindow )
358 if( fgStructure.CurrentWindow )
359 ReleaseDC( fgStructure.CurrentWindow->Window.Handle,
360 fgStructure.CurrentWindow->Window.pContext.Device );
364 window->Window.pContext.Device = GetDC( window->Window.Handle );
366 window->Window.pContext.Device,
367 window->Window.Context
374 /* Returns the width of the window borders based on the window's style.
376 void fghGetBorderWidth(const DWORD windowStyle, int* xBorderWidth, int* yBorderWidth)
378 if (windowStyle & WS_THICKFRAME)
380 *xBorderWidth = GetSystemMetrics(SM_CXSIZEFRAME);
381 *yBorderWidth = GetSystemMetrics(SM_CYSIZEFRAME);
383 else if (windowStyle & WS_DLGFRAME)
385 *xBorderWidth = GetSystemMetrics(SM_CXFIXEDFRAME);
386 *yBorderWidth = GetSystemMetrics(SM_CYFIXEDFRAME);
397 /* Computes position of corners of window Rect (outer position including
398 * decorations) based on the provided client rect and based on the style
399 * of the window in question.
400 * If posIsOutside is set to true, the input client Rect is taken to follow
401 * freeGLUT's window specification convention in which the top-left corner
402 * is at the outside of the window, while the size
403 * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
406 void fghComputeWindowRectFromClientArea_UseStyle( const DWORD windowStyle, RECT *clientRect, BOOL posIsOutside )
408 int xBorderWidth = 0, yBorderWidth = 0;
410 /* If window has title bar, correct rect for it */
411 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... */
414 clientRect->bottom += GetSystemMetrics( SM_CYCAPTION );
416 clientRect->top -= GetSystemMetrics( SM_CYCAPTION );
419 /* get width of window's borders (frame), correct rect for it.
420 * Note, borders can be of zero width if style does not specify borders
422 fghGetBorderWidth(windowStyle, &xBorderWidth, &yBorderWidth);
425 clientRect->right += xBorderWidth * 2;
426 clientRect->bottom += yBorderWidth * 2;
430 clientRect->left -= xBorderWidth;
431 clientRect->right += xBorderWidth;
432 clientRect->top -= yBorderWidth;
433 clientRect->bottom += yBorderWidth;
437 /* Computes position of corners of window Rect (outer position including
438 * decorations) based on the provided client rect and based on the style
439 * of the window in question. If the window pointer or the window handle
440 * is NULL, a fully decorated window (caption and border) is assumed.
441 * Furthermore, if posIsOutside is set to true, the input client Rect is
442 * taken to follow freeGLUT's window specification convention in which the
443 * top-left corner is at the outside of the window, while the size
444 * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
447 void fghComputeWindowRectFromClientArea_QueryWindow( const SFG_Window *window, RECT *clientRect, BOOL posIsOutside )
449 DWORD windowStyle = 0;
451 if (window && window->Window.Handle)
452 windowStyle = GetWindowLong(window->Window.Handle, GWL_STYLE);
454 windowStyle = WS_OVERLAPPEDWINDOW;
456 fghComputeWindowRectFromClientArea_UseStyle(windowStyle, clientRect, posIsOutside);
459 /* Computes position of corners of client area (drawable area) of a window
460 * based on the provided window Rect (outer position including decorations)
461 * and based on the style of the window in question. If the window pointer
462 * or the window handle is NULL, a fully decorated window (caption and
463 * border) is assumed.
464 * Furthermore, if wantPosOutside is set to true, the output client Rect
465 * will follow freeGLUT's window specification convention in which the
466 * top-left corner is at the outside of the window, the size
467 * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
470 void fghComputeClientAreaFromWindowRect( const SFG_Window *window, RECT *windowRect, BOOL wantPosOutside )
472 DWORD windowStyle = 0;
473 int xBorderWidth = 0, yBorderWidth = 0;
475 if (window && window->Window.Handle)
476 windowStyle = GetWindowLong(window->Window.Handle, GWL_STYLE);
478 windowStyle = WS_OVERLAPPEDWINDOW;
480 /* If window has title bar, correct rect for it */
481 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... */
484 windowRect->bottom -= GetSystemMetrics( SM_CYCAPTION );
486 windowRect->top += GetSystemMetrics( SM_CYCAPTION );
489 /* get width of window's borders (frame), correct rect for it.
490 * Note, borders can be of zero width if style does not specify borders
492 fghGetBorderWidth(windowStyle, &xBorderWidth, &yBorderWidth);
495 windowRect->right -= xBorderWidth * 2;
496 windowRect->bottom -= yBorderWidth * 2;
500 windowRect->left += xBorderWidth;
501 windowRect->right -= xBorderWidth;
502 windowRect->top += yBorderWidth;
503 windowRect->bottom -= yBorderWidth;
507 /* Gets the rect describing the client area (drawable area) of the
509 * Returns an empty rect if window pointer or window handle is NULL.
510 * If wantPosOutside is set to true, the output client Rect
511 * will follow freeGLUT's window specification convention in which the
512 * top-left corner is at the outside of the window, while the size
513 * (rect.right-rect.left,rect.bottom-rect.top) is the size of the drawable
516 RECT fghGetClientArea( const SFG_Window *window, BOOL wantPosOutside )
518 RECT windowRect = {0,0,0,0};
520 freeglut_return_val_if_fail((window && window->Window.Handle),windowRect);
523 * call GetWindowRect()
524 * (this returns the pixel coordinates of the outside of the window)
526 GetWindowRect( window->Window.Handle, &windowRect );
528 /* Then correct the results */
529 fghComputeClientAreaFromWindowRect(window, &windowRect, wantPosOutside);
542 static BOOL CALLBACK m_proc(HMONITOR mon,
547 m_proc_t *dp=(m_proc_t *)data;
550 info.cbSize=sizeof(info);
551 res=GetMonitorInfo(mon,(LPMONITORINFO)&info);
554 if( strcmp(dp->name,info.szDevice)==0 )
556 *(dp->x)=info.rcMonitor.left;
557 *(dp->y)=info.rcMonitor.top;
565 * this function returns the origin of the screen identified by
566 * fgDisplay.pDisplay.DisplayName, and 0 otherwise.
567 * This is used in fgOpenWindow to open the gamemode window on the screen
568 * identified by the -display command line argument. The function should
569 * not be called otherwise.
572 static void get_display_origin(int *xp,int *yp)
577 if( fgDisplay.pDisplay.DisplayName )
582 st.name=fgDisplay.pDisplay.DisplayName;
583 EnumDisplayMonitors(0,0,m_proc,(LPARAM)&st);
587 #pragma message( "-display parameter only works if compiled with WINVER >= 0x0500")
589 static void get_display_origin(int *xp,int *yp)
594 if( fgDisplay.pDisplay.DisplayName )
596 fgWarning( "for working -display support FreeGLUT must be compiled with WINVER >= 0x0500");
604 * Opens a window. Requires a SFG_Window object created and attached
605 * to the freeglut structure. OpenGL context is created here.
607 void fgPlatformOpenWindow( SFG_Window* window, const char* title,
608 GLboolean positionUse, int x, int y,
609 GLboolean sizeUse, int w, int h,
610 GLboolean gameMode, GLboolean isSubWindow )
618 /* Grab the window class we have registered on glutInit(): */
619 atom = GetClassInfo( fgDisplay.pDisplay.Instance, _T("FREEGLUT"), &wc );
620 FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Info Not Found",
623 /* Determine window style flags*/
626 FREEGLUT_INTERNAL_ERROR_EXIT ( window->Parent == NULL,
627 "Game mode being invoked on a subwindow",
631 * Set the window creation flags appropriately to make the window
634 flags = WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE;
638 flags = WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
641 * There's a small difference between creating the top, child and
644 if ( window->IsMenu )
647 exFlags |= WS_EX_TOOLWINDOW;
649 #if defined(_WIN32_WCE)
650 /* no decorations for windows CE */
652 /* if this is not a subwindow (child), set its style based on the requested display mode */
653 else if( window->Parent == NULL )
654 if ( fgState.DisplayMode & GLUT_BORDERLESS )
656 /* no window decorations needed */
658 else if ( fgState.DisplayMode & GLUT_CAPTIONLESS )
659 /* only window decoration is a border, no title bar or buttons */
660 flags |= WS_DLGFRAME;
662 /* window decoration are a border, title bar and buttons.
663 * NB: we later query whether the window has a title bar or
664 * not by testing for the maximize button, as the test for
665 * WS_CAPTION can be true without the window having a title
666 * bar. This style WS_OVERLAPPEDWINDOW gives you a maximize
668 flags |= WS_OVERLAPPEDWINDOW;
671 /* subwindows always have no decoration, but are marked as a child window to the OS */
675 /* determine window size and position */
678 /* if in gamemode, query the origin of specified by the -display
679 * command line parameter (if any) and offset the upper-left corner
680 * of the window so we create the window on that screen.
681 * The -display argument doesn't do anything if not trying to enter
685 get_display_origin(&xoff,&yoff);
696 if( ! window->IsMenu )
701 else /* fail safe - Windows can make a window of size (0, 0) */
702 w = h = 300; /* default window size */
704 /* store requested client area width and height */
705 window->State.Width = w;
706 window->State.Height = h;
708 #if !defined(_WIN32_WCE) /* no decorations for windows CE */
713 * Update the window dimensions, taking the window decorations
714 * into account. FreeGLUT is to create the window with the
715 * topleft outside corner at (x,y) and with client area
717 * note: don't need to do this when w=h=CW_USEDEFAULT, so in the
718 * if( sizeUse ) here is convenient.
722 windowRect.right = x+w;
723 windowRect.bottom = y+h;
725 fghComputeWindowRectFromClientArea_UseStyle(flags,&windowRect,TRUE);
727 w = windowRect.right - windowRect.left;
728 h = windowRect.bottom- windowRect.top;
730 #endif /* !defined(_WIN32_WCE) */
732 #if defined(_WIN32_WCE)
734 wchar_t* wstr = fghWstrFromStr(title);
736 window->Window.Handle = CreateWindow(
739 WS_VISIBLE | WS_POPUP,
743 fgDisplay.pDisplay.Instance,
749 SHFullScreen(window->Window.Handle, SHFS_HIDESTARTICON);
750 SHFullScreen(window->Window.Handle, SHFS_HIDESIPBUTTON);
751 SHFullScreen(window->Window.Handle, SHFS_HIDETASKBAR);
752 MoveWindow(window->Window.Handle, 0, 0, 240, 320, TRUE);
753 ShowWindow(window->Window.Handle, SW_SHOW);
754 UpdateWindow(window->Window.Handle);
757 window->Window.Handle = CreateWindowEx(
763 (HWND) window->Parent == NULL ? NULL : window->Parent->Window.Handle,
765 fgDisplay.pDisplay.Instance,
768 #endif /* defined(_WIN32_WCE) */
770 if( !( window->Window.Handle ) )
771 fgError( "Failed to create a window (%s)!", title );
773 #if !defined(_WIN32_WCE)
774 /* Need to set requested style again, apparently Windows doesn't listen when requesting windows without title bar or borders */
775 SetWindowLong(window->Window.Handle, GWL_STYLE, flags);
776 SetWindowPos(window->Window.Handle, HWND_TOP, 0,0,0,0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
777 #endif /* defined(_WIN32_WCE) */
779 /* Make a menu window always on top - fix Feature Request 947118 */
780 if( window->IsMenu || gameMode )
782 window->Window.Handle,
785 SWP_NOMOVE | SWP_NOSIZE
788 /* Enable multitouch: additional flag TWF_FINETOUCH, TWF_WANTPALM */
790 if (fghRegisterTouchWindow == (pRegisterTouchWindow)0xDEADBEEF)
791 fghRegisterTouchWindow = (pRegisterTouchWindow)GetProcAddress(GetModuleHandle("user32"),"RegisterTouchWindow");
792 if (fghRegisterTouchWindow)
793 fghRegisterTouchWindow( window->Window.Handle, TWF_FINETOUCH | TWF_WANTPALM );
796 #if defined(_WIN32_WCE)
797 ShowWindow( window->Window.Handle, SW_SHOW );
799 ShowWindow( window->Window.Handle,
800 fgState.ForceIconic ? SW_SHOWMINIMIZED : SW_SHOW );
801 #endif /* defined(_WIN32_WCE) */
803 UpdateWindow( window->Window.Handle );
804 ShowCursor( TRUE ); /* XXX Old comments say "hide cursor"! */
809 * Closes a window, destroying the frame and OpenGL context
811 void fgPlatformCloseWindow( SFG_Window* window )
813 /* Make sure we don't close a window with current context active */
814 if( fgStructure.CurrentWindow == window )
815 wglMakeCurrent( NULL, NULL );
818 * Step through the list of windows. If the rendering context
819 * is not being used by another window, then we delete it.
825 for( iter = (SFG_Window *)fgStructure.Windows.First;
827 iter = (SFG_Window *)iter->Node.Next )
829 if( ( iter->Window.Context == window->Window.Context ) &&
835 wglDeleteContext( window->Window.Context );
838 DestroyWindow( window->Window.Handle );
844 * This function makes the current window visible
846 void fgPlatformGlutShowWindow( void )
848 ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_SHOW );
852 * This function hides the current window
854 void fgPlatformGlutHideWindow( void )
856 ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_HIDE );
860 * Iconify the current window (top-level windows only)
862 void fgPlatformGlutIconifyWindow( void )
864 ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_MINIMIZE );
868 * Set the current window's title
870 void fgPlatformGlutSetWindowTitle( const char* title )
874 wchar_t* wstr = fghWstrFromStr(title);
875 SetWindowText( fgStructure.CurrentWindow->Window.Handle, wstr );
879 SetWindowText( fgStructure.CurrentWindow->Window.Handle, title );
884 * Set the current window's iconified title
885 * There really isn't a way to set the icon name separate from the
886 * windows name in Win32, so, just set the windows name.
888 void fgPlatformGlutSetIconTitle( const char* title )
892 wchar_t* wstr = fghWstrFromStr(title);
893 SetWindowText( fgStructure.CurrentWindow->Window.Handle, wstr );
897 SetWindowText( fgStructure.CurrentWindow->Window.Handle, title );
902 * Change the current window's position
904 void fgPlatformGlutPositionWindow( int x, int y )
908 /* "GetWindowRect" returns the pixel coordinates of the outside of the window */
909 GetWindowRect( fgStructure.CurrentWindow->Window.Handle, &winRect );
911 fgStructure.CurrentWindow->Window.Handle,
914 winRect.right - winRect.left,
915 winRect.bottom - winRect.top,
921 * Lowers the current window (by Z order change)
923 void fgPlatformGlutPushWindow( void )
926 fgStructure.CurrentWindow->Window.Handle,
929 SWP_NOSIZE | SWP_NOMOVE
934 * Raises the current window (by Z order change)
936 void fgPlatformGlutPopWindow( void )
939 fgStructure.CurrentWindow->Window.Handle,
942 SWP_NOSIZE | SWP_NOMOVE
947 * Resize the current window so that it fits the whole screen
949 void fgPlatformGlutFullScreen( SFG_Window *win )
951 #if !defined(_WIN32_WCE) /* FIXME: what about WinCE */
953 if (glutGet(GLUT_FULL_SCREEN))
955 /* Leave full screen state before entering fullscreen again (resizing?) */
956 glutLeaveFullScreen();
960 #if(WINVER >= 0x0500) /* Windows 2000 or later */
966 /* For fullscreen mode, first remove all window decoration
967 * and set style to popup so it will overlap the taskbar
968 * then force to maximize on the screen on which it has the most
973 /* store current window rect */
974 GetWindowRect( win->Window.Handle, &win->State.pWState.OldRect );
976 /* store current window style */
977 win->State.pWState.OldStyle = s = GetWindowLong(win->Window.Handle, GWL_STYLE);
979 /* remove decorations from style and add popup style*/
980 s &= ~WS_OVERLAPPEDWINDOW;
982 SetWindowLong(win->Window.Handle, GWL_STYLE, s);
983 SetWindowPos(win->Window.Handle, HWND_TOP, 0,0,0,0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
985 /* For fullscreen mode, find the monitor that is covered the most
986 * by the window and get its rect as the resize target.
988 hMonitor= MonitorFromRect(&win->State.pWState.OldRect, MONITOR_DEFAULTTONEAREST);
989 mi.cbSize = sizeof(mi);
990 GetMonitorInfo(hMonitor, &mi);
992 #else /* if (WINVER >= 0x0500) */
995 /* For fullscreen mode, force the top-left corner to 0,0
996 * and adjust the window rectangle so that the client area
997 * covers the whole screen.
1002 rect.right = fgDisplay.ScreenWidth;
1003 rect.bottom = fgDisplay.ScreenHeight;
1005 AdjustWindowRect ( &rect, WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS |
1006 WS_CLIPCHILDREN, FALSE );
1007 #endif /* (WINVER >= 0x0500) */
1010 * then resize window
1011 * SWP_NOACTIVATE Do not activate the window
1012 * SWP_NOOWNERZORDER Do not change position in z-order
1013 * SWP_NOSENDCHANGING Suppress WM_WINDOWPOSCHANGING message
1014 * SWP_NOZORDER Retains the current Z order (ignore 2nd param)
1016 SetWindowPos( fgStructure.CurrentWindow->Window.Handle,
1020 rect.right - rect.left,
1021 rect.bottom - rect.top,
1022 SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING |
1026 win->State.IsFullscreen = GL_TRUE;
1032 * If we are fullscreen, resize the current window back to its original size
1034 void fgPlatformGlutLeaveFullScreen( SFG_Window *win )
1036 #if !defined(_WIN32_WCE) /* FIXME: what about WinCE */
1037 if (!glutGet(GLUT_FULL_SCREEN))
1043 /* restore style of window before making it fullscreen */
1044 SetWindowLong(win->Window.Handle, GWL_STYLE, win->State.pWState.OldStyle);
1045 SetWindowPos(win->Window.Handle, HWND_TOP, 0,0,0,0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
1048 SetWindowPos(win->Window.Handle,
1050 win->State.pWState.OldRect.left,
1051 win->State.pWState.OldRect.top,
1052 win->State.pWState.OldRect.right - win->State.pWState.OldRect.left,
1053 win->State.pWState.OldRect.bottom - win->State.pWState.OldRect.top,
1054 SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING |
1058 win->State.IsFullscreen = GL_FALSE;
1063 * Toggle the window's full screen state.
1065 void fgPlatformGlutFullScreenToggle( SFG_Window *win )
1067 if (!win->State.IsFullscreen)
1070 glutLeaveFullScreen();
1074 /* -- PLATFORM-SPECIFIC INTERFACE FUNCTION -------------------------------------------------- */
1076 int FGAPIENTRY __glutCreateWindowWithExit( const char *title, void (__cdecl *exit_function)(int) )
1078 __glutExitFunc = exit_function;
1079 return glutCreateWindow( title );