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 LRESULT fghWindowProcKeyPress(SFG_Window *window, UINT uMsg, GLboolean keydown, WPARAM wParam, LPARAM lParam)
175 static unsigned char lControl = 0, lShift = 0, lAlt = 0,
176 rControl = 0, rShift = 0, rAlt = 0;
180 /* if keydown, check for repeat */
181 /* If repeat is globally switched off, it cannot be switched back on per window.
182 * But if it is globally switched on, it can be switched off per window. This matches
183 * GLUT's behavior on X11, but not Nate Robbins' win32 GLUT, as he didn't implement the
184 * global state switch.
186 if( keydown && ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE ) && (HIWORD(lParam) & KF_REPEAT) )
189 /* Remember the current modifiers state so user can query it from their callback */
190 fgState.Modifiers = fgPlatformGetModifiers( );
192 /* Convert the Win32 keystroke codes to GLUTtish way */
193 # define KEY(a,b) case a: keypress = b; break;
197 KEY( VK_F1, GLUT_KEY_F1 );
198 KEY( VK_F2, GLUT_KEY_F2 );
199 KEY( VK_F3, GLUT_KEY_F3 );
200 KEY( VK_F4, GLUT_KEY_F4 );
201 KEY( VK_F5, GLUT_KEY_F5 );
202 KEY( VK_F6, GLUT_KEY_F6 );
203 KEY( VK_F7, GLUT_KEY_F7 );
204 KEY( VK_F8, GLUT_KEY_F8 );
205 KEY( VK_F9, GLUT_KEY_F9 );
206 KEY( VK_F10, GLUT_KEY_F10 );
207 KEY( VK_F11, GLUT_KEY_F11 );
208 KEY( VK_F12, GLUT_KEY_F12 );
209 KEY( VK_PRIOR, GLUT_KEY_PAGE_UP );
210 KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN );
211 KEY( VK_HOME, GLUT_KEY_HOME );
212 KEY( VK_END, GLUT_KEY_END );
213 KEY( VK_LEFT, GLUT_KEY_LEFT );
214 KEY( VK_UP, GLUT_KEY_UP );
215 KEY( VK_RIGHT, GLUT_KEY_RIGHT );
216 KEY( VK_DOWN, GLUT_KEY_DOWN );
217 KEY( VK_INSERT, GLUT_KEY_INSERT );
219 /* handle control, alt and shift. For GLUT, we want to distinguish between left and right presses.
220 * The VK_L* & VK_R* left and right Alt, Ctrl and Shift virtual keys are however only used as parameters to GetAsyncKeyState() and GetKeyState()
221 * so when we get an alt, shift or control keypress here, we manually check whether it was the left or the right
223 #define ASYNC_KEY_EVENT(winKey,glutKey,keyStateVar)\
224 if (!keyStateVar && GetAsyncKeyState ( winKey ))\
229 else if (keyStateVar && !GetAsyncKeyState ( winKey ))\
235 ASYNC_KEY_EVENT(VK_LCONTROL,GLUT_KEY_CTRL_L,lControl);
236 ASYNC_KEY_EVENT(VK_RCONTROL,GLUT_KEY_CTRL_R,rControl);
239 ASYNC_KEY_EVENT(VK_LSHIFT,GLUT_KEY_SHIFT_L,lShift);
240 ASYNC_KEY_EVENT(VK_RSHIFT,GLUT_KEY_SHIFT_R,rShift);
243 ASYNC_KEY_EVENT(VK_LMENU,GLUT_KEY_ALT_L,lAlt);
244 ASYNC_KEY_EVENT(VK_RMENU,GLUT_KEY_ALT_R,rAlt);
246 #undef ASYNC_KEY_EVENT
249 /* The delete key should be treated as an ASCII keypress: */
251 INVOKE_WCB( *window, Keyboard,
252 ( 127, window->State.MouseX, window->State.MouseY )
255 INVOKE_WCB( *window, KeyboardUp,
256 ( 127, window->State.MouseX, window->State.MouseY )
260 #if !defined(_WIN32_WCE)
262 /* keydown displayable characters are handled with WM_CHAR message, but no corresponding up is generated. So get that here. */
268 GetKeyboardState( state );
270 if( ToAscii( (UINT)wParam, 0, state, code, 0 ) == 1 )
273 INVOKE_WCB( *window, KeyboardUp,
275 window->State.MouseX, window->State.MouseY )
281 #if defined(_WIN32_WCE)
282 if(keydown && !(lParam & 0x40000000)) /* Prevent auto-repeat */
284 if(wParam==(unsigned)gxKeyList.vkRight)
285 keypress = GLUT_KEY_RIGHT;
286 else if(wParam==(unsigned)gxKeyList.vkLeft)
287 keypress = GLUT_KEY_LEFT;
288 else if(wParam==(unsigned)gxKeyList.vkUp)
289 keypress = GLUT_KEY_UP;
290 else if(wParam==(unsigned)gxKeyList.vkDown)
291 keypress = GLUT_KEY_DOWN;
292 else if(wParam==(unsigned)gxKeyList.vkA)
293 keypress = GLUT_KEY_F1;
294 else if(wParam==(unsigned)gxKeyList.vkB)
295 keypress = GLUT_KEY_F2;
296 else if(wParam==(unsigned)gxKeyList.vkC)
297 keypress = GLUT_KEY_F3;
298 else if(wParam==(unsigned)gxKeyList.vkStart)
299 keypress = GLUT_KEY_F4;
305 INVOKE_WCB( *window, Special,
307 window->State.MouseX, window->State.MouseY )
310 INVOKE_WCB( *window, SpecialUp,
312 window->State.MouseX, window->State.MouseY )
315 fgState.Modifiers = INVALID_MODIFIERS;
317 /* SYSKEY events should be sent to default window proc for system to handle them */
318 if (uMsg==WM_SYSKEYDOWN || uMsg==WM_SYSKEYUP)
319 return DefWindowProc( window->Window.Handle, uMsg, wParam, lParam );
324 static SFG_Window* fghWindowUnderCursor(SFG_Window *window)
326 /* Check if the current window that the mouse is over is a child window
327 * of the window the message was sent to. Some events only sent to main window,
328 * and when handling some messages, we need to make sure that we process
329 * callbacks on the child window instead. This mirrors how GLUT does things.
330 * returns either the original window or the found child.
332 if (window && window->Children.First) /* This window has childs */
334 SFG_WindowHandleType hwnd;
335 SFG_Window* child_window;
337 /* Get mouse position at time of message */
338 DWORD mouse_pos_dw = GetMessagePos();
339 POINT mouse_pos = {GET_X_LPARAM(mouse_pos_dw), GET_Y_LPARAM(mouse_pos_dw)};
340 ScreenToClient( window->Window.Handle, &mouse_pos );
342 hwnd = ChildWindowFromPoint(window->Window.Handle, mouse_pos);
343 if (hwnd && hwnd!=window->Window.Handle) /* can be NULL if mouse outside parent by the time we get here, or can be same as parent if we didn't find a child */
345 child_window = fgWindowByHandle(hwnd);
346 if (child_window) /* Verify we got a FreeGLUT window */
348 /* ChildWindowFromPoint only searches immediate children, so search again to see if actually in grandchild or further descendant */
349 window = fghWindowUnderCursor(child_window);
358 * The window procedure for handling Win32 events
360 LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
365 FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ;
367 window = fgWindowByHandle( hWnd );
369 if ( ( window == NULL ) && ( uMsg != WM_CREATE ) )
370 return DefWindowProc( hWnd, uMsg, wParam, lParam );
372 /* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0,
373 uMsg, wParam, lParam ); */
378 /* The window structure is passed as the creation structure parameter... */
379 window = (SFG_Window *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
380 FREEGLUT_INTERNAL_ERROR_EXIT ( ( window != NULL ), "Cannot create window",
381 "fgPlatformWindowProc" );
383 window->Window.Handle = hWnd;
384 window->Window.pContext.Device = GetDC( hWnd );
387 unsigned int current_DisplayMode = fgState.DisplayMode;
388 fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH;
389 #if !defined(_WIN32_WCE)
390 fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
392 fgState.DisplayMode = current_DisplayMode;
394 if( fgStructure.MenuContext )
395 wglMakeCurrent( window->Window.pContext.Device,
396 fgStructure.MenuContext->MContext
400 fgStructure.MenuContext =
401 (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
402 fgStructure.MenuContext->MContext =
403 wglCreateContext( window->Window.pContext.Device );
406 /* window->Window.Context = wglGetCurrentContext (); */
407 window->Window.Context = wglCreateContext( window->Window.pContext.Device );
411 #if !defined(_WIN32_WCE)
412 fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
415 if( ! fgState.UseCurrentContext )
416 window->Window.Context =
417 wglCreateContext( window->Window.pContext.Device );
420 window->Window.Context = wglGetCurrentContext( );
421 if( ! window->Window.Context )
422 window->Window.Context =
423 wglCreateContext( window->Window.pContext.Device );
426 #if !defined(_WIN32_WCE)
427 fgNewWGLCreateContext( window );
431 window->State.NeedToResize = GL_TRUE;
432 /* if we used CW_USEDEFAULT (thats a negative value) for the size
433 * of the window, query the window now for the size at which it
436 if( ( window->State.Width < 0 ) || ( window->State.Height < 0 ) )
438 SFG_Window *current_window = fgStructure.CurrentWindow;
440 fgSetWindow( window );
441 window->State.Width = glutGet( GLUT_WINDOW_WIDTH );
442 window->State.Height = glutGet( GLUT_WINDOW_HEIGHT );
443 fgSetWindow( current_window );
446 ReleaseDC( window->Window.Handle, window->Window.pContext.Device );
448 #if defined(_WIN32_WCE)
449 /* Take over button handling */
451 HINSTANCE dxDllLib=LoadLibrary(_T("gx.dll"));
454 GXGetDefaultKeys_=(GXGETDEFAULTKEYS)GetProcAddress(dxDllLib, _T("?GXGetDefaultKeys@@YA?AUGXKeyList@@H@Z"));
455 GXOpenInput_=(GXOPENINPUT)GetProcAddress(dxDllLib, _T("?GXOpenInput@@YAHXZ"));
460 if(GXGetDefaultKeys_)
461 gxKeyList = (*GXGetDefaultKeys_)(GX_LANDSCAPEKEYS);
464 #endif /* defined(_WIN32_WCE) */
469 * If the window is visible, then it is the user manually resizing it.
470 * If it is not, then it is the system sending us a dummy resize with
471 * zero dimensions on a "glutIconifyWindow" call.
473 if( window->State.Visible )
475 /* get old values first to compare to below */
476 int width = window->State.Width, height=window->State.Height;
477 #if defined(_WIN32_WCE)
478 window->State.Width = HIWORD(lParam);
479 window->State.Height = LOWORD(lParam);
481 window->State.Width = LOWORD(lParam);
482 window->State.Height = HIWORD(lParam);
483 #endif /* defined(_WIN32_WCE) */
485 if (width!=window->State.Width || height!=window->State.Height)
486 /* Something changed, need to resize */
487 window->State.NeedToResize = GL_TRUE;
494 SFG_Window* saved_window = fgStructure.CurrentWindow;
496 GetWindowRect( window->Window.Handle, &windowRect );
500 /* For child window, we should return relative to upper-left
501 * of parent's client area.
503 POINT topleft = {windowRect.left,windowRect.top};
505 ScreenToClient(window->Parent->Window.Handle,&topleft);
506 windowRect.left = topleft.x;
507 windowRect.top = topleft.y;
510 INVOKE_WCB( *window, Position, ( windowRect.left, windowRect.top ) );
511 fgSetWindow(saved_window);
516 /* printf("WM_SETFOCUS: %p\n", window ); */
518 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
520 SetActiveWindow( window->Window.Handle );
521 INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) );
522 UpdateWindow ( hWnd );
528 SFG_Window* saved_window = fgStructure.CurrentWindow;
529 /* printf("WM_KILLFOCUS: %p\n", window ); */
530 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
531 INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) );
532 fgSetWindow(saved_window);
534 /* Check if there are any open menus that need to be closed */
535 fgPlatformCheckMenuDeactivate();
541 //printf("WM_ACTIVATE: %x %d %d\n",lParam, HIWORD(wParam), LOWORD(wParam));
542 if (LOWORD(wParam) != WA_INACTIVE)
544 /* printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window,
545 window->State.Cursor ); */
546 fgSetCursor( window, window->State.Cursor );
549 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
554 /* printf ( "Cursor event %x %x %x %x\n", window, window->State.Cursor, lParam, wParam ) ; */
555 if( LOWORD( lParam ) == HTCLIENT )
556 fgSetCursor ( window, window->State.Cursor ) ;
558 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
562 window->State.Visible = GL_TRUE;
563 window->State.Redisplay = GL_TRUE;
569 /* Turn on the visibility in case it was turned off somehow */
570 window->State.Visible = GL_TRUE;
571 InvalidateRect( hWnd, NULL, GL_FALSE ); /* Make sure whole window is repainted. Bit of a hack, but a safe one from what google turns up... */
572 BeginPaint( hWnd, &ps );
573 fghRedrawWindow( window );
574 EndPaint( hWnd, &ps );
579 fgDestroyWindow ( window );
580 if ( fgState.ActionOnWindowClose != GLUT_ACTION_CONTINUE_EXECUTION )
586 * The window already got destroyed, so don't bother with it.
592 #if defined(_WIN32_WCE)
593 window->State.MouseX = 320-HIWORD( lParam );
594 window->State.MouseY = LOWORD( lParam );
596 window->State.MouseX = LOWORD( lParam );
597 window->State.MouseY = HIWORD( lParam );
598 #endif /* defined(_WIN32_WCE) */
599 /* Restrict to [-32768, 32767] to match X11 behaviour */
600 /* See comment in "freeglut_developer" mailing list 10/4/04 */
601 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
602 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
604 if ( window->ActiveMenu )
606 fgUpdateMenuHighlight( window->ActiveMenu );
610 fgState.Modifiers = fgPlatformGetModifiers( );
612 if( ( wParam & MK_LBUTTON ) ||
613 ( wParam & MK_MBUTTON ) ||
614 ( wParam & MK_RBUTTON ) )
615 INVOKE_WCB( *window, Motion, ( window->State.MouseX,
616 window->State.MouseY ) );
618 INVOKE_WCB( *window, Passive, ( window->State.MouseX,
619 window->State.MouseY ) );
621 fgState.Modifiers = INVALID_MODIFIERS;
632 GLboolean pressed = GL_TRUE;
635 #if defined(_WIN32_WCE)
636 window->State.MouseX = 320-HIWORD( lParam );
637 window->State.MouseY = LOWORD( lParam );
639 window->State.MouseX = LOWORD( lParam );
640 window->State.MouseY = HIWORD( lParam );
641 #endif /* defined(_WIN32_WCE) */
643 /* Restrict to [-32768, 32767] to match X11 behaviour */
644 /* See comment in "freeglut_developer" mailing list 10/4/04 */
645 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
646 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
652 button = GLUT_LEFT_BUTTON;
656 button = GLUT_MIDDLE_BUTTON;
660 button = GLUT_RIGHT_BUTTON;
664 button = GLUT_LEFT_BUTTON;
668 button = GLUT_MIDDLE_BUTTON;
672 button = GLUT_RIGHT_BUTTON;
680 #if !defined(_WIN32_WCE)
681 if( GetSystemMetrics( SM_SWAPBUTTON ) )
683 if( button == GLUT_LEFT_BUTTON )
684 button = GLUT_RIGHT_BUTTON;
686 if( button == GLUT_RIGHT_BUTTON )
687 button = GLUT_LEFT_BUTTON;
689 #endif /* !defined(_WIN32_WCE) */
692 return DefWindowProc( hWnd, uMsg, lParam, wParam );
695 * Do not execute the application's mouse callback if a menu
696 * is hooked to this button. In that case an appropriate
697 * private call should be generated.
699 if( fgCheckActiveMenu( window, button, pressed,
700 window->State.MouseX, window->State.MouseY ) )
703 /* Set capture so that the window captures all the mouse messages */
705 * XXX - Multiple button support: Under X11, the mouse is not released
706 * XXX - from the window until all buttons have been released, even if the
707 * XXX - user presses a button in another window. This will take more
708 * XXX - code changes than I am up to at the moment (10/5/04). The present
709 * XXX - is a 90 percent solution.
711 if ( pressed == GL_TRUE )
712 SetCapture ( window->Window.Handle ) ;
716 if( ! FETCH_WCB( *window, Mouse ) )
719 fgSetWindow( window );
720 fgState.Modifiers = fgPlatformGetModifiers( );
725 pressed ? GLUT_DOWN : GLUT_UP,
726 window->State.MouseX,
731 fgState.Modifiers = INVALID_MODIFIERS;
737 SFG_Window *child_window = NULL;
738 int wheel_number = LOWORD( wParam );
739 short ticks = ( short )HIWORD( wParam );
741 window = fghWindowUnderCursor(window);
743 fgState.MouseWheelTicks += ticks;
744 if ( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
746 int direction = ( fgState.MouseWheelTicks > 0 ) ? 1 : -1;
748 if( ! FETCH_WCB( *window, MouseWheel ) &&
749 ! FETCH_WCB( *window, Mouse ) )
752 fgSetWindow( window );
753 fgState.Modifiers = fgPlatformGetModifiers( );
755 while( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
757 if( FETCH_WCB( *window, MouseWheel ) )
758 INVOKE_WCB( *window, MouseWheel,
761 window->State.MouseX,
765 else /* No mouse wheel, call the mouse button callback twice */
768 * Map wheel zero to button 3 and 4; +1 to 3, -1 to 4
769 * " " one +1 to 5, -1 to 6, ...
771 * XXX The below assumes that you have no more than 3 mouse
772 * XXX buttons. Sorry.
774 int button = wheel_number * 2 + 3;
777 INVOKE_WCB( *window, Mouse,
779 window->State.MouseX, window->State.MouseY )
781 INVOKE_WCB( *window, Mouse,
783 window->State.MouseX, window->State.MouseY )
787 fgState.MouseWheelTicks -= WHEEL_DELTA * direction;
790 fgState.Modifiers = INVALID_MODIFIERS;
798 window = fghWindowUnderCursor(window);
799 lRet = fghWindowProcKeyPress(window,uMsg,GL_TRUE,wParam,lParam);
806 window = fghWindowUnderCursor(window);
807 lRet = fghWindowProcKeyPress(window,uMsg,GL_FALSE,wParam,lParam);
814 window = fghWindowUnderCursor(window);
816 if( (fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE) && (HIWORD(lParam) & KF_REPEAT) )
819 fgState.Modifiers = fgPlatformGetModifiers( );
820 INVOKE_WCB( *window, Keyboard,
822 window->State.MouseX, window->State.MouseY )
824 fgState.Modifiers = INVALID_MODIFIERS;
828 case WM_CAPTURECHANGED:
829 /* User has finished resizing the window, force a redraw */
830 INVOKE_WCB( *window, Display, ( ) );
832 /*lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); */
835 /* Other messages that I have seen and which are not handled already */
836 case WM_SETTEXT: /* 0x000c */
837 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
838 /* Pass it on to "DefWindowProc" to set the window text */
841 case WM_GETTEXT: /* 0x000d */
842 /* Ideally we would copy the title of the window into "lParam" */
843 /* strncpy ( (char *)lParam, "Window Title", wParam );
844 lRet = ( wParam > 12 ) ? 12 : wParam; */
845 /* the number of characters copied */
846 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
849 case WM_GETTEXTLENGTH: /* 0x000e */
850 /* Ideally we would get the length of the title of the window */
852 /* the number of characters in "Window Title\0" (see above) */
855 case WM_ERASEBKGND: /* 0x0014 */
856 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
859 #if !defined(_WIN32_WCE)
860 case WM_SYNCPAINT: /* 0x0088 */
861 /* Another window has moved, need to update this one */
862 window->State.Redisplay = GL_TRUE;
863 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
864 /* Help screen says this message must be passed to "DefWindowProc" */
867 case WM_NCPAINT: /* 0x0085 */
868 /* Need to update the border of this window */
869 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
870 /* Pass it on to "DefWindowProc" to repaint a standard border */
873 case WM_SYSCOMMAND : /* 0x0112 */
876 * We have received a system command message. Try to act on it.
877 * The commands are passed in through the "wParam" parameter:
878 * The least significant digit seems to be which edge of the window
879 * is being used for a resize event:
883 * Congratulations and thanks to Richard Rauch for figuring this out..
885 switch ( wParam & 0xfff0 )
894 /* User has clicked on the "-" to minimize the window */
895 /* Turn off the visibility */
896 window->State.Visible = GL_FALSE ;
910 /* Followed very closely by a WM_CLOSE message */
940 #if(WINVER >= 0x0400)
944 case SC_MONITORPOWER :
947 case SC_CONTEXTHELP :
949 #endif /* WINVER >= 0x0400 */
953 fgWarning( "Unknown wParam type 0x%x", wParam );
958 #endif /* !defined(_WIN32_WCE) */
960 /* We need to pass the message on to the operating system as well */
961 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
965 /* handle multi-touch messages */
968 unsigned int numInputs = (unsigned int)wParam;
970 TOUCHINPUT* ti = (TOUCHINPUT*)malloc( sizeof(TOUCHINPUT)*numInputs);
972 if (fghGetTouchInputInfo == (pGetTouchInputInfo)0xDEADBEEF) {
973 fghGetTouchInputInfo = (pGetTouchInputInfo)GetProcAddress(GetModuleHandle("user32"),"GetTouchInputInfo");
974 fghCloseTouchInputHandle = (pCloseTouchInputHandle)GetProcAddress(GetModuleHandle("user32"),"CloseTouchInputHandle");
977 if (!fghGetTouchInputInfo) {
982 if (fghGetTouchInputInfo( (HTOUCHINPUT)lParam, numInputs, ti, sizeof(TOUCHINPUT) )) {
983 /* Handle each contact point */
984 for (i = 0; i < numInputs; ++i ) {
987 tp.x = TOUCH_COORD_TO_PIXEL(ti[i].x);
988 tp.y = TOUCH_COORD_TO_PIXEL(ti[i].y);
989 ScreenToClient( hWnd, &tp );
991 ti[i].dwID = ti[i].dwID * 2;
993 if (ti[i].dwFlags & TOUCHEVENTF_DOWN) {
994 INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_ENTERED ) );
995 INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_DOWN ) );
996 } else if (ti[i].dwFlags & TOUCHEVENTF_MOVE) {
997 INVOKE_WCB( *window, MultiMotion, ( ti[i].dwID, tp.x, tp.y ) );
998 } else if (ti[i].dwFlags & TOUCHEVENTF_UP) {
999 INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_UP ) );
1000 INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_LEFT ) );
1004 fghCloseTouchInputHandle((HTOUCHINPUT)lParam);
1006 lRet = 0; /*DefWindowProc( hWnd, uMsg, wParam, lParam );*/
1011 /* Handle unhandled messages */
1012 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );