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 static void fghUpdateWindowStatus(SFG_Window *window, GLboolean visState)
135 if (window->State.Visible != visState)
137 window->State.Visible = visState;
138 /* On win32 we only have two states, window displayed and window not displayed (iconified)
139 * We map these to GLUT_FULLY_RETAINED and GLUT_HIDDEN respectively.
141 INVOKE_WCB( *window, WindowStatus, ( visState ? GLUT_FULLY_RETAINED:GLUT_HIDDEN ) );
143 /* If top level window (not a subwindow/child), and icon title text available, switch titles based on visibility state */
144 if (!window->Parent && window->State.pWState.IconTitle)
147 /* visible, set window title */
148 SetWindowText( window->Window.Handle, window->State.pWState.WindowTitle );
150 /* not visible, set icon title */
151 SetWindowText( window->Window.Handle, window->State.pWState.IconTitle );
155 /* Also set visibility state for children */
156 for( child = ( SFG_Window * )window->Children.First;
158 child = ( SFG_Window * )child->Node.Next )
160 fghUpdateWindowStatus(child, visState);
164 void fghNotifyWindowStatus(SFG_Window *window)
166 INVOKE_WCB( *window, WindowStatus, ( window->State.Visible?GLUT_FULLY_RETAINED:GLUT_HIDDEN ) );
168 /* Don't notify children, they get their own just before first time they're drawn */
171 void fgPlatformMainLoopPreliminaryWork ( void )
178 * Determine a GLUT modifier mask based on MS-WINDOWS system info.
180 static int fgPlatformGetModifiers (void)
183 ( ( ( GetKeyState( VK_LSHIFT ) < 0 ) ||
184 ( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) |
185 ( ( ( GetKeyState( VK_LCONTROL ) < 0 ) ||
186 ( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) |
187 ( ( ( GetKeyState( VK_LMENU ) < 0 ) ||
188 ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 );
191 static LRESULT fghWindowProcKeyPress(SFG_Window *window, UINT uMsg, GLboolean keydown, WPARAM wParam, LPARAM lParam)
193 static unsigned char lControl = 0, lShift = 0, lAlt = 0,
194 rControl = 0, rShift = 0, rAlt = 0;
198 /* if keydown, check for repeat */
199 /* If repeat is globally switched off, it cannot be switched back on per window.
200 * But if it is globally switched on, it can be switched off per window. This matches
201 * GLUT's behavior on X11, but not Nate Robbins' win32 GLUT, as he didn't implement the
202 * global state switch.
204 if( keydown && ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE ) && (HIWORD(lParam) & KF_REPEAT) )
207 /* Remember the current modifiers state so user can query it from their callback */
208 fgState.Modifiers = fgPlatformGetModifiers( );
210 /* Convert the Win32 keystroke codes to GLUTtish way */
211 # define KEY(a,b) case a: keypress = b; break;
215 KEY( VK_F1, GLUT_KEY_F1 );
216 KEY( VK_F2, GLUT_KEY_F2 );
217 KEY( VK_F3, GLUT_KEY_F3 );
218 KEY( VK_F4, GLUT_KEY_F4 );
219 KEY( VK_F5, GLUT_KEY_F5 );
220 KEY( VK_F6, GLUT_KEY_F6 );
221 KEY( VK_F7, GLUT_KEY_F7 );
222 KEY( VK_F8, GLUT_KEY_F8 );
223 KEY( VK_F9, GLUT_KEY_F9 );
224 KEY( VK_F10, GLUT_KEY_F10 );
225 KEY( VK_F11, GLUT_KEY_F11 );
226 KEY( VK_F12, GLUT_KEY_F12 );
227 KEY( VK_PRIOR, GLUT_KEY_PAGE_UP );
228 KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN );
229 KEY( VK_HOME, GLUT_KEY_HOME );
230 KEY( VK_END, GLUT_KEY_END );
231 KEY( VK_LEFT, GLUT_KEY_LEFT );
232 KEY( VK_UP, GLUT_KEY_UP );
233 KEY( VK_RIGHT, GLUT_KEY_RIGHT );
234 KEY( VK_DOWN, GLUT_KEY_DOWN );
235 KEY( VK_INSERT, GLUT_KEY_INSERT );
237 /* handle control, alt and shift. For GLUT, we want to distinguish between left and right presses.
238 * The VK_L* & VK_R* left and right Alt, Ctrl and Shift virtual keys are however only used as parameters to GetAsyncKeyState() and GetKeyState()
239 * so when we get an alt, shift or control keypress here, we manually check whether it was the left or the right
241 #define ASYNC_KEY_EVENT(winKey,glutKey,keyStateVar)\
242 if (!keyStateVar && GetAsyncKeyState ( winKey ))\
247 else if (keyStateVar && !GetAsyncKeyState ( winKey ))\
253 ASYNC_KEY_EVENT(VK_LCONTROL,GLUT_KEY_CTRL_L,lControl);
254 ASYNC_KEY_EVENT(VK_RCONTROL,GLUT_KEY_CTRL_R,rControl);
257 ASYNC_KEY_EVENT(VK_LSHIFT,GLUT_KEY_SHIFT_L,lShift);
258 ASYNC_KEY_EVENT(VK_RSHIFT,GLUT_KEY_SHIFT_R,rShift);
261 ASYNC_KEY_EVENT(VK_LMENU,GLUT_KEY_ALT_L,lAlt);
262 ASYNC_KEY_EVENT(VK_RMENU,GLUT_KEY_ALT_R,rAlt);
264 #undef ASYNC_KEY_EVENT
267 /* The delete key should be treated as an ASCII keypress: */
269 INVOKE_WCB( *window, Keyboard,
270 ( 127, window->State.MouseX, window->State.MouseY )
273 INVOKE_WCB( *window, KeyboardUp,
274 ( 127, window->State.MouseX, window->State.MouseY )
278 #if !defined(_WIN32_WCE)
280 /* keydown displayable characters are handled with WM_CHAR message, but no corresponding up is generated. So get that here. */
286 GetKeyboardState( state );
288 if( ToAscii( (UINT)wParam, 0, state, code, 0 ) == 1 )
291 INVOKE_WCB( *window, KeyboardUp,
293 window->State.MouseX, window->State.MouseY )
299 #if defined(_WIN32_WCE)
300 if(keydown && !(lParam & 0x40000000)) /* Prevent auto-repeat */
302 if(wParam==(unsigned)gxKeyList.vkRight)
303 keypress = GLUT_KEY_RIGHT;
304 else if(wParam==(unsigned)gxKeyList.vkLeft)
305 keypress = GLUT_KEY_LEFT;
306 else if(wParam==(unsigned)gxKeyList.vkUp)
307 keypress = GLUT_KEY_UP;
308 else if(wParam==(unsigned)gxKeyList.vkDown)
309 keypress = GLUT_KEY_DOWN;
310 else if(wParam==(unsigned)gxKeyList.vkA)
311 keypress = GLUT_KEY_F1;
312 else if(wParam==(unsigned)gxKeyList.vkB)
313 keypress = GLUT_KEY_F2;
314 else if(wParam==(unsigned)gxKeyList.vkC)
315 keypress = GLUT_KEY_F3;
316 else if(wParam==(unsigned)gxKeyList.vkStart)
317 keypress = GLUT_KEY_F4;
323 INVOKE_WCB( *window, Special,
325 window->State.MouseX, window->State.MouseY )
328 INVOKE_WCB( *window, SpecialUp,
330 window->State.MouseX, window->State.MouseY )
333 fgState.Modifiers = INVALID_MODIFIERS;
335 /* SYSKEY events should be sent to default window proc for system to handle them */
336 if (uMsg==WM_SYSKEYDOWN || uMsg==WM_SYSKEYUP)
337 return DefWindowProc( window->Window.Handle, uMsg, wParam, lParam );
342 SFG_Window* fghWindowUnderCursor(SFG_Window *window)
344 /* Check if the current window that the mouse is over is a child window
345 * of the window the message was sent to. Some events only sent to main window,
346 * and when handling some messages, we need to make sure that we process
347 * callbacks on the child window instead. This mirrors how GLUT does things.
348 * returns either the original window or the found child.
350 if (window && window->Children.First) /* This window has childs */
353 SFG_Window* child_window;
355 /* Get mouse position at time of message */
356 DWORD mouse_pos_dw = GetMessagePos();
357 POINT mouse_pos = {GET_X_LPARAM(mouse_pos_dw), GET_Y_LPARAM(mouse_pos_dw)};
358 ScreenToClient( window->Window.Handle, &mouse_pos );
360 hwnd = ChildWindowFromPoint(window->Window.Handle, mouse_pos);
361 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 */
363 child_window = fgWindowByHandle(hwnd);
364 if (child_window) /* Verify we got a FreeGLUT window */
366 /* ChildWindowFromPoint only searches immediate children, so search again to see if actually in grandchild or further descendant */
367 window = fghWindowUnderCursor(child_window);
376 * The window procedure for handling Win32 events
378 LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
382 static int setCaptureActive = 0;
384 FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ;
386 window = fgWindowByHandle( hWnd );
388 if ( ( window == NULL ) && ( uMsg != WM_CREATE ) )
389 return DefWindowProc( hWnd, uMsg, wParam, lParam );
391 /* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0,
392 uMsg, wParam, lParam ); */
397 /* The window structure is passed as the creation structure parameter... */
398 window = (SFG_Window *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
399 FREEGLUT_INTERNAL_ERROR_EXIT ( ( window != NULL ), "Cannot create window",
400 "fgPlatformWindowProc" );
402 window->Window.Handle = hWnd;
403 window->Window.pContext.Device = GetDC( hWnd );
406 unsigned int current_DisplayMode = fgState.DisplayMode;
407 fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH;
408 #if !defined(_WIN32_WCE)
409 fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
411 fgState.DisplayMode = current_DisplayMode;
413 if( fgStructure.MenuContext )
414 wglMakeCurrent( window->Window.pContext.Device,
415 fgStructure.MenuContext->MContext
419 fgStructure.MenuContext =
420 (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
421 fgStructure.MenuContext->MContext =
422 wglCreateContext( window->Window.pContext.Device );
425 /* window->Window.Context = wglGetCurrentContext (); */
426 window->Window.Context = wglCreateContext( window->Window.pContext.Device );
430 #if !defined(_WIN32_WCE)
431 fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
434 if( ! fgState.UseCurrentContext )
435 window->Window.Context =
436 wglCreateContext( window->Window.pContext.Device );
439 window->Window.Context = wglGetCurrentContext( );
440 if( ! window->Window.Context )
441 window->Window.Context =
442 wglCreateContext( window->Window.pContext.Device );
445 #if !defined(_WIN32_WCE)
446 fgNewWGLCreateContext( window );
450 window->State.NeedToResize = GL_TRUE;
451 /* if we used CW_USEDEFAULT (thats a negative value) for the size
452 * of the window, query the window now for the size at which it
455 if( ( window->State.Width < 0 ) || ( window->State.Height < 0 ) )
457 SFG_Window *current_window = fgStructure.CurrentWindow;
459 fgSetWindow( window );
460 window->State.Width = glutGet( GLUT_WINDOW_WIDTH );
461 window->State.Height = glutGet( GLUT_WINDOW_HEIGHT );
462 fgSetWindow( current_window );
465 ReleaseDC( window->Window.Handle, window->Window.pContext.Device );
467 #if defined(_WIN32_WCE)
468 /* Take over button handling */
470 HINSTANCE dxDllLib=LoadLibrary(_T("gx.dll"));
473 GXGetDefaultKeys_=(GXGETDEFAULTKEYS)GetProcAddress(dxDllLib, _T("?GXGetDefaultKeys@@YA?AUGXKeyList@@H@Z"));
474 GXOpenInput_=(GXOPENINPUT)GetProcAddress(dxDllLib, _T("?GXOpenInput@@YAHXZ"));
479 if(GXGetDefaultKeys_)
480 gxKeyList = (*GXGetDefaultKeys_)(GX_LANDSCAPEKEYS);
483 #endif /* defined(_WIN32_WCE) */
487 /* printf("WM_SIZE (ID: %i): wParam: %i, new size: %ix%i \n",window->ID,wParam,LOWORD(lParam),HIWORD(lParam)); */
489 /* Update visibility state of the window */
490 if (wParam==SIZE_MINIMIZED)
491 fghUpdateWindowStatus(window,GL_FALSE);
492 else if (wParam==SIZE_RESTORED && !window->State.Visible)
493 fghUpdateWindowStatus(window,GL_TRUE);
495 /* Check window visible, we don't want to resize when the user or glutIconifyWindow minimized the window */
496 if( window->State.Visible )
498 /* get old values first to compare to below */
499 int width = window->State.Width, height=window->State.Height;
500 #if defined(_WIN32_WCE)
501 window->State.Width = HIWORD(lParam);
502 window->State.Height = LOWORD(lParam);
504 window->State.Width = LOWORD(lParam);
505 window->State.Height = HIWORD(lParam);
506 #endif /* defined(_WIN32_WCE) */
508 if (width!=window->State.Width || height!=window->State.Height)
509 /* Something changed, need to resize */
510 window->State.NeedToResize = GL_TRUE;
513 /* according to docs, should return 0 */
519 SFG_Window* saved_window = fgStructure.CurrentWindow;
522 /* Check window is minimized, we don't want to call the position callback when the user or glutIconifyWindow minimized the window */
523 if (!IsIconic(window->Window.Handle))
525 /* Get top-left of non-client area of window, matching coordinates of
526 * glutInitPosition and glutPositionWindow, but not those of
527 * glutGet(GLUT_WINDOW_X) and glutGet(GLUT_WINDOW_Y), which return
528 * top-left of client area.
530 GetWindowRect( window->Window.Handle, &windowRect );
534 /* For child window, we should return relative to upper-left
535 * of parent's client area.
537 POINT topleft = {windowRect.left,windowRect.top};
539 ScreenToClient(window->Parent->Window.Handle,&topleft);
540 windowRect.left = topleft.x;
541 windowRect.top = topleft.y;
544 INVOKE_WCB( *window, Position, ( windowRect.left, windowRect.top ) );
545 fgSetWindow(saved_window);
549 /* according to docs, should return 0 */
554 /*printf("WM_SETFOCUS: %p\n", window );*/
555 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
557 SetActiveWindow( window->Window.Handle );
558 UpdateWindow ( hWnd );
563 /*printf("WM_KILLFOCUS: %p\n", window ); */
564 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
566 /* Check if there are any open menus that need to be closed */
567 fgPlatformCheckMenuDeactivate();
572 //printf("WM_ACTIVATE: %x (ID: %i) %d %d\n",lParam, window->ID, HIWORD(wParam), LOWORD(wParam));
573 if (LOWORD(wParam) != WA_INACTIVE)
575 /* printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window,
576 window->State.Cursor ); */
577 fgSetCursor( window, window->State.Cursor );
580 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
585 /* printf ( "Cursor event %x %x %x %x\n", window, window->State.Cursor, lParam, wParam ) ; */
586 if( LOWORD( lParam ) == HTCLIENT )
588 if (!window->State.pWState.MouseTracking)
592 /* Cursor just entered window, set cursor look */
593 fgSetCursor ( window, window->State.Cursor ) ;
595 /* If an EntryFunc callback is specified by the user, also
596 * invoke that callback and start mouse tracking so that
597 * we get a WM_MOUSELEAVE message
599 if (FETCH_WCB( *window, Entry ))
601 SFG_Window* saved_window = fgStructure.CurrentWindow;
602 INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) );
603 fgSetWindow(saved_window);
605 tme.cbSize = sizeof(TRACKMOUSEEVENT);
606 tme.dwFlags = TME_LEAVE;
607 tme.hwndTrack = window->Window.Handle;
608 TrackMouseEvent(&tme);
610 window->State.pWState.MouseTracking = GL_TRUE;
615 /* Only pass non-client WM_SETCURSOR to DefWindowProc, or we get WM_SETCURSOR on parents of children as well */
616 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
621 /* NB: This message is only received when a EntryFunc callback
622 * is specified by the user, as that is the only condition under
623 * which mouse tracking is setup in WM_SETCURSOR handler above
625 SFG_Window* saved_window = fgStructure.CurrentWindow;
626 INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) );
627 fgSetWindow(saved_window);
629 window->State.pWState.MouseTracking = GL_FALSE;
630 lRet = 0; /* As per docs, must return zero */
635 /* printf("WM_SHOWWINDOW, shown? %i, source: %i\n",wParam,lParam); */
638 fghUpdateWindowStatus(window, GL_TRUE);
639 window->State.Redisplay = GL_TRUE;
643 fghUpdateWindowStatus(window, GL_FALSE);
644 window->State.Redisplay = GL_FALSE;
652 if (GetUpdateRect(hWnd,&rect,FALSE))
654 /* As per docs, upon receiving WM_PAINT, first check if the update region is not empty before you call BeginPaint */
657 /* Turn on the visibility in case it was turned off somehow */
658 window->State.Visible = GL_TRUE;
660 InvalidateRect( hWnd, NULL, GL_FALSE );
661 BeginPaint( hWnd, &ps );
662 fghRedrawWindow( window );
663 EndPaint( hWnd, &ps );
665 lRet = 0; /* As per docs, should return 0 */
670 fgDestroyWindow ( window );
671 if ( fgState.ActionOnWindowClose != GLUT_ACTION_CONTINUE_EXECUTION )
677 * The window already got destroyed, so don't bother with it.
683 /* Per docs, use LOWORD/HIWORD for WinCE and GET_X_LPARAM/GET_Y_LPARAM for desktop windows */
684 #if defined(_WIN32_WCE)
685 window->State.MouseX = 320-HIWORD( lParam ); /* XXX: Docs say x should be loword and y hiword? */
686 window->State.MouseY = LOWORD( lParam );
688 window->State.MouseX = GET_X_LPARAM( lParam );
689 window->State.MouseY = GET_Y_LPARAM( lParam );
690 #endif /* defined(_WIN32_WCE) */
691 /* Restrict to [-32768, 32767] to match X11 behaviour */
692 /* See comment in "freeglut_developer" mailing list 10/4/04 */
693 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
694 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
696 if ( window->ActiveMenu )
698 fgUpdateMenuHighlight( window->ActiveMenu );
702 fgState.Modifiers = fgPlatformGetModifiers( );
704 if( ( wParam & MK_LBUTTON ) ||
705 ( wParam & MK_MBUTTON ) ||
706 ( wParam & MK_RBUTTON ) )
707 INVOKE_WCB( *window, Motion, ( window->State.MouseX,
708 window->State.MouseY ) );
710 INVOKE_WCB( *window, Passive, ( window->State.MouseX,
711 window->State.MouseY ) );
713 fgState.Modifiers = INVALID_MODIFIERS;
724 GLboolean pressed = GL_TRUE;
727 /* Per docs, use LOWORD/HIWORD for WinCE and GET_X_LPARAM/GET_Y_LPARAM for desktop windows */
728 #if defined(_WIN32_WCE)
729 window->State.MouseX = 320-HIWORD( lParam ); /* XXX: Docs say x should be loword and y hiword? */
730 window->State.MouseY = LOWORD( lParam );
732 window->State.MouseX = GET_X_LPARAM( lParam );
733 window->State.MouseY = GET_Y_LPARAM( lParam );
734 #endif /* defined(_WIN32_WCE) */
736 /* Restrict to [-32768, 32767] to match X11 behaviour */
737 /* See comment in "freeglut_developer" mailing list 10/4/04 */
738 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
739 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
745 button = GLUT_LEFT_BUTTON;
749 button = GLUT_MIDDLE_BUTTON;
753 button = GLUT_RIGHT_BUTTON;
757 button = GLUT_LEFT_BUTTON;
761 button = GLUT_MIDDLE_BUTTON;
765 button = GLUT_RIGHT_BUTTON;
773 #if !defined(_WIN32_WCE)
774 if( GetSystemMetrics( SM_SWAPBUTTON ) )
776 if( button == GLUT_LEFT_BUTTON )
777 button = GLUT_RIGHT_BUTTON;
779 if( button == GLUT_RIGHT_BUTTON )
780 button = GLUT_LEFT_BUTTON;
782 #endif /* !defined(_WIN32_WCE) */
785 return DefWindowProc( hWnd, uMsg, lParam, wParam );
788 * Do not execute the application's mouse callback if a menu
789 * is hooked to this button. In that case an appropriate
790 * private call should be generated.
792 if( fgCheckActiveMenu( window, button, pressed,
793 window->State.MouseX, window->State.MouseY ) )
796 /* Set capture so that the window captures all the mouse messages
798 * The mouse is not released from the window until all buttons have
799 * been released, even if the user presses a button in another window.
800 * This is consistent with the behavior on X11.
802 if ( pressed == GL_TRUE )
804 if (!setCaptureActive)
805 SetCapture ( window->Window.Handle ) ;
806 setCaptureActive = 1; /* Set to false in WM_CAPTURECHANGED handler */
808 else if (!GetAsyncKeyState(VK_LBUTTON) && !GetAsyncKeyState(VK_MBUTTON) && !GetAsyncKeyState(VK_RBUTTON))
809 /* Make sure all mouse buttons are released before releasing capture */
812 if( ! FETCH_WCB( *window, Mouse ) )
815 fgSetWindow( window );
816 fgState.Modifiers = fgPlatformGetModifiers( );
821 pressed ? GLUT_DOWN : GLUT_UP,
822 window->State.MouseX,
827 fgState.Modifiers = INVALID_MODIFIERS;
829 /* As per docs, should return zero */
836 int wheel_number = 0; /* Only one scroll wheel on windows */
837 #if defined(_WIN32_WCE)
838 int modkeys = LOWORD(wParam);
839 short ticks = (short)HIWORD(wParam);
840 /* commented out as should not be needed here, mouse motion is processed in WM_MOUSEMOVE first:
841 xPos = LOWORD(lParam); -- straight from docs, not consistent with mouse nutton and mouse motion above (which i think is wrong)
842 yPos = HIWORD(lParam);
845 /* int modkeys = GET_KEYSTATE_WPARAM( wParam ); */
846 short ticks = GET_WHEEL_DELTA_WPARAM( wParam );
847 /* commented out as should not be needed here, mouse motion is processed in WM_MOUSEMOVE first:
848 window->State.MouseX = GET_X_LPARAM( lParam );
849 window->State.MouseY = GET_Y_LPARAM( lParam );
851 #endif /* defined(_WIN32_WCE) */
853 window = fghWindowUnderCursor(window);
855 fgState.MouseWheelTicks += ticks;
856 if ( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
858 int direction = ( fgState.MouseWheelTicks > 0 ) ? 1 : -1;
860 if( ! FETCH_WCB( *window, MouseWheel ) &&
861 ! FETCH_WCB( *window, Mouse ) )
864 fgSetWindow( window );
865 fgState.Modifiers = fgPlatformGetModifiers( );
867 while( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
869 if( FETCH_WCB( *window, MouseWheel ) )
870 INVOKE_WCB( *window, MouseWheel,
873 window->State.MouseX,
877 else /* No mouse wheel, call the mouse button callback twice */
880 * Map wheel zero to button 3 and 4; +1 to 3, -1 to 4
881 * " " one +1 to 5, -1 to 6, ...
883 * XXX The below assumes that you have no more than 3 mouse
884 * XXX buttons. Sorry.
886 int button = wheel_number * 2 + 3;
889 INVOKE_WCB( *window, Mouse,
891 window->State.MouseX, window->State.MouseY )
893 INVOKE_WCB( *window, Mouse,
895 window->State.MouseX, window->State.MouseY )
899 fgState.MouseWheelTicks -= WHEEL_DELTA * direction;
902 fgState.Modifiers = INVALID_MODIFIERS;
904 /* Per docs, should return zero */
912 window = fghWindowUnderCursor(window);
913 lRet = fghWindowProcKeyPress(window,uMsg,GL_TRUE,wParam,lParam);
920 window = fghWindowUnderCursor(window);
921 lRet = fghWindowProcKeyPress(window,uMsg,GL_FALSE,wParam,lParam);
928 window = fghWindowUnderCursor(window);
930 if( (fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE) && (HIWORD(lParam) & KF_REPEAT) )
933 fgState.Modifiers = fgPlatformGetModifiers( );
934 INVOKE_WCB( *window, Keyboard,
936 window->State.MouseX, window->State.MouseY )
938 fgState.Modifiers = INVALID_MODIFIERS;
942 case WM_CAPTURECHANGED:
943 if (!lParam || !fgWindowByHandle((HWND)lParam))
944 /* Capture released or capture taken by non-FreeGLUT window */
945 setCaptureActive = 0;
946 /* Docs advise a redraw */
947 InvalidateRect( hWnd, NULL, GL_FALSE );
949 lRet = 0; /* Per docs, should return zero */
952 #if !defined(_WIN32_WCE)
953 case WM_SYNCPAINT: /* 0x0088 */
954 /* Another window has moved, need to update this one */
955 window->State.Redisplay = GL_TRUE;
956 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
957 /* Help screen says this message must be passed to "DefWindowProc" */
960 case WM_SYSCOMMAND : /* 0x0112 */
963 * We have received a system command message. Try to act on it.
964 * The commands are passed in through the "wParam" parameter:
965 * The least significant digit seems to be which edge of the window
966 * is being used for a resize event:
970 * Congratulations and thanks to Richard Rauch for figuring this out..
972 switch ( wParam & 0xfff0 )
981 /* User has clicked on the "-" to minimize the window */
982 /* Turning off the visibility is handled in WM_SIZE handler */
996 /* Followed very closely by a WM_CLOSE message */
1020 case SC_SCREENSAVE :
1026 #if(WINVER >= 0x0400)
1030 case SC_MONITORPOWER :
1033 case SC_CONTEXTHELP :
1035 #endif /* WINVER >= 0x0400 */
1039 fgWarning( "Unknown wParam type 0x%x", wParam );
1044 #endif /* !defined(_WIN32_WCE) */
1046 /* We need to pass the message on to the operating system as well */
1047 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1051 /* handle multi-touch messages */
1054 unsigned int numInputs = (unsigned int)wParam;
1056 TOUCHINPUT* ti = (TOUCHINPUT*)malloc( sizeof(TOUCHINPUT)*numInputs);
1058 if (fghGetTouchInputInfo == (pGetTouchInputInfo)0xDEADBEEF) {
1059 fghGetTouchInputInfo = (pGetTouchInputInfo)GetProcAddress(GetModuleHandle("user32"),"GetTouchInputInfo");
1060 fghCloseTouchInputHandle = (pCloseTouchInputHandle)GetProcAddress(GetModuleHandle("user32"),"CloseTouchInputHandle");
1063 if (!fghGetTouchInputInfo) {
1068 if (fghGetTouchInputInfo( (HTOUCHINPUT)lParam, numInputs, ti, sizeof(TOUCHINPUT) )) {
1069 /* Handle each contact point */
1070 for (i = 0; i < numInputs; ++i ) {
1073 tp.x = TOUCH_COORD_TO_PIXEL(ti[i].x);
1074 tp.y = TOUCH_COORD_TO_PIXEL(ti[i].y);
1075 ScreenToClient( hWnd, &tp );
1077 ti[i].dwID = ti[i].dwID * 2;
1079 if (ti[i].dwFlags & TOUCHEVENTF_DOWN) {
1080 INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_ENTERED ) );
1081 INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_DOWN ) );
1082 } else if (ti[i].dwFlags & TOUCHEVENTF_MOVE) {
1083 INVOKE_WCB( *window, MultiMotion, ( ti[i].dwID, tp.x, tp.y ) );
1084 } else if (ti[i].dwFlags & TOUCHEVENTF_UP) {
1085 INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_UP ) );
1086 INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_LEFT ) );
1090 fghCloseTouchInputHandle((HTOUCHINPUT)lParam);
1092 lRet = 0; /*DefWindowProc( hWnd, uMsg, wParam, lParam );*/
1097 /* Handle unhandled messages */
1098 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );