2 * freeglut_main_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: Sat Jan 21, 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 #include <GL/freeglut.h>
29 #include "../fg_internal.h"
32 extern void fghRedrawWindow ( SFG_Window *window );
34 extern void fgNewWGLCreateContext( SFG_Window* window );
35 extern GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
36 unsigned char layer_type );
38 extern void fgPlatformCheckMenuDeactivate();
41 typedef BOOL (WINAPI *pGetTouchInputInfo)(HTOUCHINPUT,UINT,PTOUCHINPUT,int);
42 typedef BOOL (WINAPI *pCloseTouchInputHandle)(HTOUCHINPUT);
43 static pGetTouchInputInfo fghGetTouchInputInfo = (pGetTouchInputInfo)0xDEADBEEF;
44 static pCloseTouchInputHandle fghCloseTouchInputHandle = (pCloseTouchInputHandle)0xDEADBEEF;
48 typedef struct GXDisplayProperties GXDisplayProperties;
49 typedef struct GXKeyList GXKeyList;
52 typedef struct GXKeyList (*GXGETDEFAULTKEYS)(int);
53 typedef int (*GXOPENINPUT)();
55 GXGETDEFAULTKEYS GXGetDefaultKeys_ = NULL;
56 GXOPENINPUT GXOpenInput_ = NULL;
58 struct GXKeyList gxKeyList;
59 #endif /* _WIN32_WCE */
62 /* Get system time, taking special precautions against 32bit timer wrap.
63 We use timeGetTime and not GetTickCount because of its better stability,
64 and because we can increase its granularity (to 1 ms in
65 fgPlatformInitialize). For that reason we can't use GetTickCount64 which
66 wouldn't have the wrap issue.
67 Credit: this is based on code in glibc (https://mail.gnome.org/archives/commits-list/2011-November/msg04588.html)
69 static fg_time_t lastTime32 = 0;
70 static fg_time_t timeEpoch = 0;
71 void fgPlatformInitSystemTime()
73 #if defined(_WIN32_WCE)
74 lastTime32 = GetTickCount();
76 lastTime32 = timeGetTime();
79 fg_time_t fgPlatformSystemTime ( void )
82 #if defined(_WIN32_WCE)
83 currTime32 = GetTickCount();
85 currTime32 = timeGetTime();
87 /* Check if we just wrapped */
88 if (currTime32 < lastTime32)
91 lastTime32 = currTime32;
93 return currTime32 | timeEpoch << 32;
97 void fgPlatformSleepForEvents( fg_time_t msec )
99 MsgWaitForMultipleObjects( 0, NULL, FALSE, (DWORD) msec, QS_ALLINPUT );
103 void fgPlatformProcessSingleEvent ( void )
107 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );
109 while( PeekMessage( &stMsg, NULL, 0, 0, PM_NOREMOVE ) )
111 if( GetMessage( &stMsg, NULL, 0, 0 ) == 0 )
113 if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT )
118 else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS )
119 fgState.ExecState = GLUT_EXEC_STATE_STOP;
124 TranslateMessage( &stMsg );
125 DispatchMessage( &stMsg );
131 void fgPlatformMainLoopPreliminaryWork ( void )
133 SFG_Window *window = (SFG_Window *)fgStructure.Windows.First ;
136 * Processing before the main loop: If there is a window which is open and
137 * which has a visibility callback, call it. I know this is an ugly hack,
138 * but I'm not sure what else to do about it. Ideally we should leave
139 * something uninitialized in the create window code and initialize it in
140 * the main loop, and have that initialization create a "WM_ACTIVATE"
141 * message. Then we would put the visibility callback code in the
142 * "case WM_ACTIVATE" block below. - John Fay -- 10/24/02
146 if ( FETCH_WCB( *window, Visibility ) )
148 SFG_Window *current_window = fgStructure.CurrentWindow ;
150 INVOKE_WCB( *window, Visibility, ( window->State.Visible ) );
151 fgSetWindow( current_window );
154 window = (SFG_Window *)window->Node.Next ;
160 * Determine a GLUT modifier mask based on MS-WINDOWS system info.
162 static int fgPlatformGetModifiers (void)
165 ( ( ( GetKeyState( VK_LSHIFT ) < 0 ) ||
166 ( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) |
167 ( ( ( GetKeyState( VK_LCONTROL ) < 0 ) ||
168 ( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) |
169 ( ( ( GetKeyState( VK_LMENU ) < 0 ) ||
170 ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 );
173 static void fghKeyPress(SFG_Window *window, GLboolean keydown, WPARAM wParam, LPARAM lParam)
175 static unsigned char lControl = 0, lShift = 0, lAlt = 0,
176 rControl = 0, rShift = 0, rAlt = 0;
181 /* if keydown, check for repeat */
182 if( keydown && ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE ) && (HIWORD(lParam) & KF_REPEAT) )
185 /* Remember the current modifiers state so user can query it from their callback */
186 fgState.Modifiers = fgPlatformGetModifiers( );
188 /* Get mouse position roughly at time of keypress */
189 GetCursorPos( &mouse_pos );
190 ScreenToClient( window->Window.Handle, &mouse_pos );
191 window->State.MouseX = mouse_pos.x;
192 window->State.MouseY = mouse_pos.y;
194 /* Convert the Win32 keystroke codes to GLUTtish way */
195 # define KEY(a,b) case a: keypress = b; break;
199 KEY( VK_F1, GLUT_KEY_F1 );
200 KEY( VK_F2, GLUT_KEY_F2 );
201 KEY( VK_F3, GLUT_KEY_F3 );
202 KEY( VK_F4, GLUT_KEY_F4 );
203 KEY( VK_F5, GLUT_KEY_F5 );
204 KEY( VK_F6, GLUT_KEY_F6 );
205 KEY( VK_F7, GLUT_KEY_F7 );
206 KEY( VK_F8, GLUT_KEY_F8 );
207 KEY( VK_F9, GLUT_KEY_F9 );
208 KEY( VK_F10, GLUT_KEY_F10 );
209 KEY( VK_F11, GLUT_KEY_F11 );
210 KEY( VK_F12, GLUT_KEY_F12 );
211 KEY( VK_PRIOR, GLUT_KEY_PAGE_UP );
212 KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN );
213 KEY( VK_HOME, GLUT_KEY_HOME );
214 KEY( VK_END, GLUT_KEY_END );
215 KEY( VK_LEFT, GLUT_KEY_LEFT );
216 KEY( VK_UP, GLUT_KEY_UP );
217 KEY( VK_RIGHT, GLUT_KEY_RIGHT );
218 KEY( VK_DOWN, GLUT_KEY_DOWN );
219 KEY( VK_INSERT, GLUT_KEY_INSERT );
221 /* handle control, alt and shift. For GLUT, we want to distinguish between left and right presses.
222 * The VK_L* & VK_R* left and right Alt, Ctrl and Shift virtual keys are however only used as parameters to GetAsyncKeyState() and GetKeyState()
223 * so when we get an alt, shift or control keypress here, we manually check whether it was the left or the right
225 #define ASYNC_KEY_EVENT(winKey,glutKey,keyStateVar)\
226 if (!keyStateVar && GetAsyncKeyState ( winKey ))\
231 else if (keyStateVar && !GetAsyncKeyState ( winKey ))\
237 ASYNC_KEY_EVENT(VK_LCONTROL,GLUT_KEY_CTRL_L,lControl);
238 ASYNC_KEY_EVENT(VK_RCONTROL,GLUT_KEY_CTRL_R,rControl);
241 ASYNC_KEY_EVENT(VK_LSHIFT,GLUT_KEY_SHIFT_L,lShift);
242 ASYNC_KEY_EVENT(VK_RSHIFT,GLUT_KEY_SHIFT_R,rShift);
245 ASYNC_KEY_EVENT(VK_LMENU,GLUT_KEY_ALT_L,lAlt);
246 ASYNC_KEY_EVENT(VK_RMENU,GLUT_KEY_ALT_R,rAlt);
248 #undef ASYNC_KEY_EVENT
251 /* The delete key should be treated as an ASCII keypress: */
253 INVOKE_WCB( *window, Keyboard,
254 ( 127, window->State.MouseX, window->State.MouseY )
257 INVOKE_WCB( *window, KeyboardUp,
258 ( 127, window->State.MouseX, window->State.MouseY )
262 #if !defined(_WIN32_WCE)
264 /* keydown displayable characters are handled with WM_CHAR message, but no corresponding up is generated. So get that here. */
270 GetKeyboardState( state );
272 if( ToAscii( (UINT)wParam, 0, state, code, 0 ) == 1 )
275 INVOKE_WCB( *window, KeyboardUp,
277 window->State.MouseX, window->State.MouseY )
283 #if defined(_WIN32_WCE)
284 if(keydown && !(lParam & 0x40000000)) /* Prevent auto-repeat */
286 if(wParam==(unsigned)gxKeyList.vkRight)
287 keypress = GLUT_KEY_RIGHT;
288 else if(wParam==(unsigned)gxKeyList.vkLeft)
289 keypress = GLUT_KEY_LEFT;
290 else if(wParam==(unsigned)gxKeyList.vkUp)
291 keypress = GLUT_KEY_UP;
292 else if(wParam==(unsigned)gxKeyList.vkDown)
293 keypress = GLUT_KEY_DOWN;
294 else if(wParam==(unsigned)gxKeyList.vkA)
295 keypress = GLUT_KEY_F1;
296 else if(wParam==(unsigned)gxKeyList.vkB)
297 keypress = GLUT_KEY_F2;
298 else if(wParam==(unsigned)gxKeyList.vkC)
299 keypress = GLUT_KEY_F3;
300 else if(wParam==(unsigned)gxKeyList.vkStart)
301 keypress = GLUT_KEY_F4;
307 INVOKE_WCB( *window, Special,
309 window->State.MouseX, window->State.MouseY )
312 INVOKE_WCB( *window, SpecialUp,
314 window->State.MouseX, window->State.MouseY )
317 fgState.Modifiers = INVALID_MODIFIERS;
321 * The window procedure for handling Win32 events
323 LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
325 SFG_Window *window, *child_window = NULL;
329 FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ;
331 window = fgWindowByHandle( hWnd );
333 if ( ( window == NULL ) && ( uMsg != WM_CREATE ) )
334 return DefWindowProc( hWnd, uMsg, wParam, lParam );
336 /* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0,
337 uMsg, wParam, lParam ); */
339 /* Some events only sent to main window. Check if the current window that
340 * the mouse is over is a child window. Below when handling some messages,
341 * we make sure that we process callbacks on the child window instead.
342 * This mirrors how GLUT does things.
344 if (window && window->Children.First)
347 SFG_WindowHandleType hwnd;
348 SFG_Window* temp_window;
350 GetCursorPos( &mouse_pos );
351 ScreenToClient( window->Window.Handle, &mouse_pos );
352 hwnd = ChildWindowFromPoint(window->Window.Handle, mouse_pos);
353 if (hwnd) /* can be NULL if mouse outside parent by the time we get here */
355 temp_window = fgWindowByHandle(hwnd);
356 if (temp_window && temp_window->Parent) /* Verify we got a child window */
357 child_window = temp_window;
364 /* The window structure is passed as the creation structure parameter... */
365 window = (SFG_Window *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
366 FREEGLUT_INTERNAL_ERROR_EXIT ( ( window != NULL ), "Cannot create window",
367 "fgPlatformWindowProc" );
369 window->Window.Handle = hWnd;
370 window->Window.pContext.Device = GetDC( hWnd );
373 unsigned int current_DisplayMode = fgState.DisplayMode;
374 fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH;
375 #if !defined(_WIN32_WCE)
376 fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
378 fgState.DisplayMode = current_DisplayMode;
380 if( fgStructure.MenuContext )
381 wglMakeCurrent( window->Window.pContext.Device,
382 fgStructure.MenuContext->MContext
386 fgStructure.MenuContext =
387 (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
388 fgStructure.MenuContext->MContext =
389 wglCreateContext( window->Window.pContext.Device );
392 /* window->Window.Context = wglGetCurrentContext (); */
393 window->Window.Context = wglCreateContext( window->Window.pContext.Device );
397 #if !defined(_WIN32_WCE)
398 fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
401 if( ! fgState.UseCurrentContext )
402 window->Window.Context =
403 wglCreateContext( window->Window.pContext.Device );
406 window->Window.Context = wglGetCurrentContext( );
407 if( ! window->Window.Context )
408 window->Window.Context =
409 wglCreateContext( window->Window.pContext.Device );
412 #if !defined(_WIN32_WCE)
413 fgNewWGLCreateContext( window );
417 window->State.NeedToResize = GL_TRUE;
418 /* if we used CW_USEDEFAULT (thats a negative value) for the size
419 * of the window, query the window now for the size at which it
422 if( ( window->State.Width < 0 ) || ( window->State.Height < 0 ) )
424 SFG_Window *current_window = fgStructure.CurrentWindow;
426 fgSetWindow( window );
427 window->State.Width = glutGet( GLUT_WINDOW_WIDTH );
428 window->State.Height = glutGet( GLUT_WINDOW_HEIGHT );
429 fgSetWindow( current_window );
432 ReleaseDC( window->Window.Handle, window->Window.pContext.Device );
434 #if defined(_WIN32_WCE)
435 /* Take over button handling */
437 HINSTANCE dxDllLib=LoadLibrary(_T("gx.dll"));
440 GXGetDefaultKeys_=(GXGETDEFAULTKEYS)GetProcAddress(dxDllLib, _T("?GXGetDefaultKeys@@YA?AUGXKeyList@@H@Z"));
441 GXOpenInput_=(GXOPENINPUT)GetProcAddress(dxDllLib, _T("?GXOpenInput@@YAHXZ"));
446 if(GXGetDefaultKeys_)
447 gxKeyList = (*GXGetDefaultKeys_)(GX_LANDSCAPEKEYS);
450 #endif /* defined(_WIN32_WCE) */
455 * If the window is visible, then it is the user manually resizing it.
456 * If it is not, then it is the system sending us a dummy resize with
457 * zero dimensions on a "glutIconifyWindow" call.
459 if( window->State.Visible )
461 /* get old values first to compare to below */
462 int width = window->State.Width, height=window->State.Height;
463 #if defined(_WIN32_WCE)
464 window->State.Width = HIWORD(lParam);
465 window->State.Height = LOWORD(lParam);
467 window->State.Width = LOWORD(lParam);
468 window->State.Height = HIWORD(lParam);
469 #endif /* defined(_WIN32_WCE) */
471 if (width!=window->State.Width || height!=window->State.Height)
472 /* Something changed, need to resize */
473 window->State.NeedToResize = GL_TRUE;
480 SFG_Window* saved_window = fgStructure.CurrentWindow;
482 GetWindowRect( window->Window.Handle, &windowRect );
486 /* For child window, we should return relative to upper-left
487 * of parent's client area.
489 POINT topleft = {windowRect.left,windowRect.top};
491 ScreenToClient(window->Parent->Window.Handle,&topleft);
492 windowRect.left = topleft.x;
493 windowRect.top = topleft.y;
496 INVOKE_WCB( *window, Position, ( windowRect.left, windowRect.top ) );
497 fgSetWindow(saved_window);
502 /* printf("WM_SETFOCUS: %p\n", window ); */
504 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
508 /* If we're dealing with a child window, make sure it has input focus instead, set it here. */
509 SetFocus(child_window->Window.Handle);
510 SetActiveWindow( child_window->Window.Handle );
511 INVOKE_WCB( *child_window, Entry, ( GLUT_ENTERED ) );
512 UpdateWindow ( child_window->Window.Handle );
516 SetActiveWindow( window->Window.Handle );
517 INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) );
519 /* Always request update on main window to be safe */
520 UpdateWindow ( hWnd );
526 SFG_Window* saved_window = fgStructure.CurrentWindow;
527 /* printf("WM_KILLFOCUS: %p\n", window ); */
528 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
529 INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) );
530 fgSetWindow(saved_window);
532 /* Check if there are any open menus that need to be closed */
533 fgPlatformCheckMenuDeactivate();
539 if (LOWORD(wParam) != WA_INACTIVE)
541 /* printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window,
542 window->State.Cursor ); */
543 fgSetCursor( window, window->State.Cursor );
546 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
551 /* printf ( "Cursor event %x %x %x %x\n", window, window->State.Cursor, lParam, wParam ) ; */
552 if( LOWORD( lParam ) == HTCLIENT )
553 fgSetCursor ( window, window->State.Cursor ) ;
555 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
559 window->State.Visible = GL_TRUE;
560 window->State.Redisplay = GL_TRUE;
564 /* Turn on the visibility in case it was turned off somehow */
565 window->State.Visible = GL_TRUE;
566 InvalidateRect( hWnd, NULL, GL_FALSE ); /* Make sure whole window is repainted. Bit of a hack, but a safe one from what google turns up... */
567 BeginPaint( hWnd, &ps );
568 fghRedrawWindow( window );
569 EndPaint( hWnd, &ps );
573 fgDestroyWindow ( window );
574 if ( fgState.ActionOnWindowClose != GLUT_ACTION_CONTINUE_EXECUTION )
580 * The window already got destroyed, so don't bother with it.
586 #if defined(_WIN32_WCE)
587 window->State.MouseX = 320-HIWORD( lParam );
588 window->State.MouseY = LOWORD( lParam );
590 window->State.MouseX = LOWORD( lParam );
591 window->State.MouseY = HIWORD( lParam );
592 #endif /* defined(_WIN32_WCE) */
593 /* Restrict to [-32768, 32767] to match X11 behaviour */
594 /* See comment in "freeglut_developer" mailing list 10/4/04 */
595 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
596 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
598 if ( window->ActiveMenu )
600 fgUpdateMenuHighlight( window->ActiveMenu );
604 fgState.Modifiers = fgPlatformGetModifiers( );
606 if( ( wParam & MK_LBUTTON ) ||
607 ( wParam & MK_MBUTTON ) ||
608 ( wParam & MK_RBUTTON ) )
609 INVOKE_WCB( *window, Motion, ( window->State.MouseX,
610 window->State.MouseY ) );
612 INVOKE_WCB( *window, Passive, ( window->State.MouseX,
613 window->State.MouseY ) );
615 fgState.Modifiers = INVALID_MODIFIERS;
626 GLboolean pressed = GL_TRUE;
629 #if defined(_WIN32_WCE)
630 window->State.MouseX = 320-HIWORD( lParam );
631 window->State.MouseY = LOWORD( lParam );
633 window->State.MouseX = LOWORD( lParam );
634 window->State.MouseY = HIWORD( lParam );
635 #endif /* defined(_WIN32_WCE) */
637 /* Restrict to [-32768, 32767] to match X11 behaviour */
638 /* See comment in "freeglut_developer" mailing list 10/4/04 */
639 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
640 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
646 button = GLUT_LEFT_BUTTON;
650 button = GLUT_MIDDLE_BUTTON;
654 button = GLUT_RIGHT_BUTTON;
658 button = GLUT_LEFT_BUTTON;
662 button = GLUT_MIDDLE_BUTTON;
666 button = GLUT_RIGHT_BUTTON;
674 #if !defined(_WIN32_WCE)
675 if( GetSystemMetrics( SM_SWAPBUTTON ) )
677 if( button == GLUT_LEFT_BUTTON )
678 button = GLUT_RIGHT_BUTTON;
680 if( button == GLUT_RIGHT_BUTTON )
681 button = GLUT_LEFT_BUTTON;
683 #endif /* !defined(_WIN32_WCE) */
686 return DefWindowProc( hWnd, uMsg, lParam, wParam );
689 * Do not execute the application's mouse callback if a menu
690 * is hooked to this button. In that case an appropriate
691 * private call should be generated.
693 if( fgCheckActiveMenu( window, button, pressed,
694 window->State.MouseX, window->State.MouseY ) )
697 /* Set capture so that the window captures all the mouse messages */
699 * XXX - Multiple button support: Under X11, the mouse is not released
700 * XXX - from the window until all buttons have been released, even if the
701 * XXX - user presses a button in another window. This will take more
702 * XXX - code changes than I am up to at the moment (10/5/04). The present
703 * XXX - is a 90 percent solution.
705 if ( pressed == GL_TRUE )
706 SetCapture ( window->Window.Handle ) ;
710 if( ! FETCH_WCB( *window, Mouse ) )
713 fgSetWindow( window );
714 fgState.Modifiers = fgPlatformGetModifiers( );
719 pressed ? GLUT_DOWN : GLUT_UP,
720 window->State.MouseX,
725 fgState.Modifiers = INVALID_MODIFIERS;
731 int wheel_number = LOWORD( wParam );
732 short ticks = ( short )HIWORD( wParam );
733 fgState.MouseWheelTicks += ticks;
735 if ( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
737 int direction = ( fgState.MouseWheelTicks > 0 ) ? 1 : -1;
739 if( ! FETCH_WCB( *window, MouseWheel ) &&
740 ! FETCH_WCB( *window, Mouse ) )
743 fgSetWindow( window );
744 fgState.Modifiers = fgPlatformGetModifiers( );
746 while( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
748 if( FETCH_WCB( *window, MouseWheel ) )
749 INVOKE_WCB( *window, MouseWheel,
752 window->State.MouseX,
756 else /* No mouse wheel, call the mouse button callback twice */
759 * Map wheel zero to button 3 and 4; +1 to 3, -1 to 4
760 * " " one +1 to 5, -1 to 6, ...
762 * XXX The below assumes that you have no more than 3 mouse
763 * XXX buttons. Sorry.
765 int button = wheel_number * 2 + 3;
768 INVOKE_WCB( *window, Mouse,
770 window->State.MouseX, window->State.MouseY )
772 INVOKE_WCB( *window, Mouse,
774 window->State.MouseX, window->State.MouseY )
778 fgState.MouseWheelTicks -= WHEEL_DELTA * direction;
781 fgState.Modifiers = INVALID_MODIFIERS;
789 window = child_window;
790 fghKeyPress(window,GL_TRUE,wParam,lParam);
796 window = child_window;
797 fghKeyPress(window,GL_FALSE,wParam,lParam);
804 window = child_window;
806 if( (fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE) && (HIWORD(lParam) & KF_REPEAT) )
809 fgState.Modifiers = fgPlatformGetModifiers( );
810 INVOKE_WCB( *window, Keyboard,
812 window->State.MouseX, window->State.MouseY )
814 fgState.Modifiers = INVALID_MODIFIERS;
818 case WM_CAPTURECHANGED:
819 /* User has finished resizing the window, force a redraw */
820 INVOKE_WCB( *window, Display, ( ) );
822 /*lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); */
825 /* Other messages that I have seen and which are not handled already */
826 case WM_SETTEXT: /* 0x000c */
827 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
828 /* Pass it on to "DefWindowProc" to set the window text */
831 case WM_GETTEXT: /* 0x000d */
832 /* Ideally we would copy the title of the window into "lParam" */
833 /* strncpy ( (char *)lParam, "Window Title", wParam );
834 lRet = ( wParam > 12 ) ? 12 : wParam; */
835 /* the number of characters copied */
836 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
839 case WM_GETTEXTLENGTH: /* 0x000e */
840 /* Ideally we would get the length of the title of the window */
842 /* the number of characters in "Window Title\0" (see above) */
845 case WM_ERASEBKGND: /* 0x0014 */
846 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
849 #if !defined(_WIN32_WCE)
850 case WM_SYNCPAINT: /* 0x0088 */
851 /* Another window has moved, need to update this one */
852 window->State.Redisplay = GL_TRUE;
853 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
854 /* Help screen says this message must be passed to "DefWindowProc" */
857 case WM_NCPAINT: /* 0x0085 */
858 /* Need to update the border of this window */
859 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
860 /* Pass it on to "DefWindowProc" to repaint a standard border */
863 case WM_SYSCOMMAND : /* 0x0112 */
866 * We have received a system command message. Try to act on it.
867 * The commands are passed in through the "wParam" parameter:
868 * The least significant digit seems to be which edge of the window
869 * is being used for a resize event:
873 * Congratulations and thanks to Richard Rauch for figuring this out..
875 switch ( wParam & 0xfff0 )
884 /* User has clicked on the "-" to minimize the window */
885 /* Turn off the visibility */
886 window->State.Visible = GL_FALSE ;
900 /* Followed very closely by a WM_CLOSE message */
930 #if(WINVER >= 0x0400)
934 case SC_MONITORPOWER :
937 case SC_CONTEXTHELP :
939 #endif /* WINVER >= 0x0400 */
943 fgWarning( "Unknown wParam type 0x%x", wParam );
948 #endif /* !defined(_WIN32_WCE) */
950 /* We need to pass the message on to the operating system as well */
951 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
955 /* handle multi-touch messages */
958 unsigned int numInputs = (unsigned int)wParam;
960 TOUCHINPUT* ti = (TOUCHINPUT*)malloc( sizeof(TOUCHINPUT)*numInputs);
962 if (fghGetTouchInputInfo == (pGetTouchInputInfo)0xDEADBEEF) {
963 fghGetTouchInputInfo = (pGetTouchInputInfo)GetProcAddress(GetModuleHandle("user32"),"GetTouchInputInfo");
964 fghCloseTouchInputHandle = (pCloseTouchInputHandle)GetProcAddress(GetModuleHandle("user32"),"CloseTouchInputHandle");
967 if (!fghGetTouchInputInfo) {
972 if (fghGetTouchInputInfo( (HTOUCHINPUT)lParam, numInputs, ti, sizeof(TOUCHINPUT) )) {
973 /* Handle each contact point */
974 for (i = 0; i < numInputs; ++i ) {
977 tp.x = TOUCH_COORD_TO_PIXEL(ti[i].x);
978 tp.y = TOUCH_COORD_TO_PIXEL(ti[i].y);
979 ScreenToClient( hWnd, &tp );
981 ti[i].dwID = ti[i].dwID * 2;
983 if (ti[i].dwFlags & TOUCHEVENTF_DOWN) {
984 INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_ENTERED ) );
985 INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_DOWN ) );
986 } else if (ti[i].dwFlags & TOUCHEVENTF_MOVE) {
987 INVOKE_WCB( *window, MultiMotion, ( ti[i].dwID, tp.x, tp.y ) );
988 } else if (ti[i].dwFlags & TOUCHEVENTF_UP) {
989 INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_UP ) );
990 INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_LEFT ) );
994 fghCloseTouchInputHandle((HTOUCHINPUT)lParam);
996 lRet = 0; /*DefWindowProc( hWnd, uMsg, wParam, lParam );*/
1001 /* Handle unhandled messages */
1002 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );