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 UpdateWindow ( hWnd );
527 /* printf("WM_KILLFOCUS: %p\n", window ); */
528 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
530 /* Check if there are any open menus that need to be closed */
531 fgPlatformCheckMenuDeactivate();
537 //printf("WM_ACTIVATE: %x %d %d\n",lParam, HIWORD(wParam), LOWORD(wParam));
538 if (LOWORD(wParam) != WA_INACTIVE)
540 /* printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window,
541 window->State.Cursor ); */
542 fgSetCursor( window, window->State.Cursor );
545 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
550 /* printf ( "Cursor event %x %x %x %x\n", window, window->State.Cursor, lParam, wParam ) ; */
551 if( LOWORD( lParam ) == HTCLIENT )
553 if (!window->State.pWState.MouseTracking)
557 /* Cursor just entered window, set cursor look */
558 fgSetCursor ( window, window->State.Cursor ) ;
560 /* If an EntryFunc callback is specified by the user, also
561 * invoke that callback and start mouse tracking so that
562 * we get a WM_MOUSELEAVE message
564 if (FETCH_WCB( *window, Entry ))
566 INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) );
568 tme.cbSize = sizeof(TRACKMOUSEEVENT);
569 tme.dwFlags = TME_LEAVE;
570 tme.hwndTrack = window->Window.Handle;
571 TrackMouseEvent(&tme);
573 window->State.pWState.MouseTracking = GL_TRUE;
578 /* Only pass non-client WM_SETCURSOR to DefWindowProc, or we get WM_SETCURSOR on parents of children as well */
579 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
584 /* NB: This message is only received when a EntryFunc callback
585 * is specified by the user, as that is the only condition under
586 * which mouse tracking is setup in WM_SETCURSOR handler above
588 SFG_Window* saved_window = fgStructure.CurrentWindow;
589 INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) );
590 fgSetWindow(saved_window);
592 window->State.pWState.MouseTracking = GL_FALSE;
593 lRet = 0; /* As per docs, must return zero */
598 window->State.Visible = GL_TRUE;
599 window->State.Redisplay = GL_TRUE;
605 /* Turn on the visibility in case it was turned off somehow */
606 window->State.Visible = GL_TRUE;
607 InvalidateRect( hWnd, NULL, GL_FALSE ); /* Make sure whole window is repainted. Bit of a hack, but a safe one from what google turns up... */
608 BeginPaint( hWnd, &ps );
609 fghRedrawWindow( window );
610 EndPaint( hWnd, &ps );
615 fgDestroyWindow ( window );
616 if ( fgState.ActionOnWindowClose != GLUT_ACTION_CONTINUE_EXECUTION )
622 * The window already got destroyed, so don't bother with it.
628 #if defined(_WIN32_WCE)
629 window->State.MouseX = 320-HIWORD( lParam );
630 window->State.MouseY = LOWORD( lParam );
632 window->State.MouseX = LOWORD( lParam );
633 window->State.MouseY = HIWORD( lParam );
634 #endif /* defined(_WIN32_WCE) */
635 /* Restrict to [-32768, 32767] to match X11 behaviour */
636 /* See comment in "freeglut_developer" mailing list 10/4/04 */
637 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
638 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
640 if ( window->ActiveMenu )
642 fgUpdateMenuHighlight( window->ActiveMenu );
646 fgState.Modifiers = fgPlatformGetModifiers( );
648 if( ( wParam & MK_LBUTTON ) ||
649 ( wParam & MK_MBUTTON ) ||
650 ( wParam & MK_RBUTTON ) )
651 INVOKE_WCB( *window, Motion, ( window->State.MouseX,
652 window->State.MouseY ) );
654 INVOKE_WCB( *window, Passive, ( window->State.MouseX,
655 window->State.MouseY ) );
657 fgState.Modifiers = INVALID_MODIFIERS;
668 GLboolean pressed = GL_TRUE;
671 #if defined(_WIN32_WCE)
672 window->State.MouseX = 320-HIWORD( lParam );
673 window->State.MouseY = LOWORD( lParam );
675 window->State.MouseX = LOWORD( lParam );
676 window->State.MouseY = HIWORD( lParam );
677 #endif /* defined(_WIN32_WCE) */
679 /* Restrict to [-32768, 32767] to match X11 behaviour */
680 /* See comment in "freeglut_developer" mailing list 10/4/04 */
681 if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
682 if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
688 button = GLUT_LEFT_BUTTON;
692 button = GLUT_MIDDLE_BUTTON;
696 button = GLUT_RIGHT_BUTTON;
700 button = GLUT_LEFT_BUTTON;
704 button = GLUT_MIDDLE_BUTTON;
708 button = GLUT_RIGHT_BUTTON;
716 #if !defined(_WIN32_WCE)
717 if( GetSystemMetrics( SM_SWAPBUTTON ) )
719 if( button == GLUT_LEFT_BUTTON )
720 button = GLUT_RIGHT_BUTTON;
722 if( button == GLUT_RIGHT_BUTTON )
723 button = GLUT_LEFT_BUTTON;
725 #endif /* !defined(_WIN32_WCE) */
728 return DefWindowProc( hWnd, uMsg, lParam, wParam );
731 * Do not execute the application's mouse callback if a menu
732 * is hooked to this button. In that case an appropriate
733 * private call should be generated.
735 if( fgCheckActiveMenu( window, button, pressed,
736 window->State.MouseX, window->State.MouseY ) )
739 /* Set capture so that the window captures all the mouse messages
741 * The mouse is not released from the window until all buttons have
742 * been released, even if the user presses a button in another window.
743 * This is consistent with the behavior on X11.
745 if ( pressed == GL_TRUE )
746 SetCapture ( window->Window.Handle ) ;
747 else if (!GetAsyncKeyState(VK_LBUTTON) && !GetAsyncKeyState(VK_MBUTTON) && !GetAsyncKeyState(VK_RBUTTON))
748 /* Make sure all mouse buttons are released before releasing capture */
751 if( ! FETCH_WCB( *window, Mouse ) )
754 fgSetWindow( window );
755 fgState.Modifiers = fgPlatformGetModifiers( );
760 pressed ? GLUT_DOWN : GLUT_UP,
761 window->State.MouseX,
766 fgState.Modifiers = INVALID_MODIFIERS;
768 /* As per docs, should return zero */
775 SFG_Window *child_window = NULL;
776 int wheel_number = LOWORD( wParam );
777 short ticks = ( short )HIWORD( wParam );
779 window = fghWindowUnderCursor(window);
781 fgState.MouseWheelTicks += ticks;
782 if ( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
784 int direction = ( fgState.MouseWheelTicks > 0 ) ? 1 : -1;
786 if( ! FETCH_WCB( *window, MouseWheel ) &&
787 ! FETCH_WCB( *window, Mouse ) )
790 fgSetWindow( window );
791 fgState.Modifiers = fgPlatformGetModifiers( );
793 while( abs ( fgState.MouseWheelTicks ) >= WHEEL_DELTA )
795 if( FETCH_WCB( *window, MouseWheel ) )
796 INVOKE_WCB( *window, MouseWheel,
799 window->State.MouseX,
803 else /* No mouse wheel, call the mouse button callback twice */
806 * Map wheel zero to button 3 and 4; +1 to 3, -1 to 4
807 * " " one +1 to 5, -1 to 6, ...
809 * XXX The below assumes that you have no more than 3 mouse
810 * XXX buttons. Sorry.
812 int button = wheel_number * 2 + 3;
815 INVOKE_WCB( *window, Mouse,
817 window->State.MouseX, window->State.MouseY )
819 INVOKE_WCB( *window, Mouse,
821 window->State.MouseX, window->State.MouseY )
825 fgState.MouseWheelTicks -= WHEEL_DELTA * direction;
828 fgState.Modifiers = INVALID_MODIFIERS;
836 window = fghWindowUnderCursor(window);
837 lRet = fghWindowProcKeyPress(window,uMsg,GL_TRUE,wParam,lParam);
844 window = fghWindowUnderCursor(window);
845 lRet = fghWindowProcKeyPress(window,uMsg,GL_FALSE,wParam,lParam);
852 window = fghWindowUnderCursor(window);
854 if( (fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE) && (HIWORD(lParam) & KF_REPEAT) )
857 fgState.Modifiers = fgPlatformGetModifiers( );
858 INVOKE_WCB( *window, Keyboard,
860 window->State.MouseX, window->State.MouseY )
862 fgState.Modifiers = INVALID_MODIFIERS;
866 case WM_CAPTURECHANGED:
867 /* User has finished resizing the window, force a redraw */
868 INVOKE_WCB( *window, Display, ( ) );
869 lRet = 0; /* Per docs, should return zero */
872 /* Other messages that I have seen and which are not handled already */
873 case WM_SETTEXT: /* 0x000c */
874 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
875 /* Pass it on to "DefWindowProc" to set the window text */
878 case WM_GETTEXT: /* 0x000d */
879 /* Ideally we would copy the title of the window into "lParam" */
880 /* strncpy ( (char *)lParam, "Window Title", wParam );
881 lRet = ( wParam > 12 ) ? 12 : wParam; */
882 /* the number of characters copied */
883 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
886 case WM_GETTEXTLENGTH: /* 0x000e */
887 /* Ideally we would get the length of the title of the window */
889 /* the number of characters in "Window Title\0" (see above) */
892 case WM_ERASEBKGND: /* 0x0014 */
893 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
896 #if !defined(_WIN32_WCE)
897 case WM_SYNCPAINT: /* 0x0088 */
898 /* Another window has moved, need to update this one */
899 window->State.Redisplay = GL_TRUE;
900 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
901 /* Help screen says this message must be passed to "DefWindowProc" */
904 case WM_NCPAINT: /* 0x0085 */
905 /* Need to update the border of this window */
906 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
907 /* Pass it on to "DefWindowProc" to repaint a standard border */
910 case WM_SYSCOMMAND : /* 0x0112 */
913 * We have received a system command message. Try to act on it.
914 * The commands are passed in through the "wParam" parameter:
915 * The least significant digit seems to be which edge of the window
916 * is being used for a resize event:
920 * Congratulations and thanks to Richard Rauch for figuring this out..
922 switch ( wParam & 0xfff0 )
931 /* User has clicked on the "-" to minimize the window */
932 /* Turn off the visibility */
933 window->State.Visible = GL_FALSE ;
947 /* Followed very closely by a WM_CLOSE message */
977 #if(WINVER >= 0x0400)
981 case SC_MONITORPOWER :
984 case SC_CONTEXTHELP :
986 #endif /* WINVER >= 0x0400 */
990 fgWarning( "Unknown wParam type 0x%x", wParam );
995 #endif /* !defined(_WIN32_WCE) */
997 /* We need to pass the message on to the operating system as well */
998 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
1002 /* handle multi-touch messages */
1005 unsigned int numInputs = (unsigned int)wParam;
1007 TOUCHINPUT* ti = (TOUCHINPUT*)malloc( sizeof(TOUCHINPUT)*numInputs);
1009 if (fghGetTouchInputInfo == (pGetTouchInputInfo)0xDEADBEEF) {
1010 fghGetTouchInputInfo = (pGetTouchInputInfo)GetProcAddress(GetModuleHandle("user32"),"GetTouchInputInfo");
1011 fghCloseTouchInputHandle = (pCloseTouchInputHandle)GetProcAddress(GetModuleHandle("user32"),"CloseTouchInputHandle");
1014 if (!fghGetTouchInputInfo) {
1019 if (fghGetTouchInputInfo( (HTOUCHINPUT)lParam, numInputs, ti, sizeof(TOUCHINPUT) )) {
1020 /* Handle each contact point */
1021 for (i = 0; i < numInputs; ++i ) {
1024 tp.x = TOUCH_COORD_TO_PIXEL(ti[i].x);
1025 tp.y = TOUCH_COORD_TO_PIXEL(ti[i].y);
1026 ScreenToClient( hWnd, &tp );
1028 ti[i].dwID = ti[i].dwID * 2;
1030 if (ti[i].dwFlags & TOUCHEVENTF_DOWN) {
1031 INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_ENTERED ) );
1032 INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_DOWN ) );
1033 } else if (ti[i].dwFlags & TOUCHEVENTF_MOVE) {
1034 INVOKE_WCB( *window, MultiMotion, ( ti[i].dwID, tp.x, tp.y ) );
1035 } else if (ti[i].dwFlags & TOUCHEVENTF_UP) {
1036 INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_UP ) );
1037 INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_LEFT ) );
1041 fghCloseTouchInputHandle((HTOUCHINPUT)lParam);
1043 lRet = 0; /*DefWindowProc( hWnd, uMsg, wParam, lParam );*/
1048 /* Handle unhandled messages */
1049 lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );