+/*
+ * freeglut_main_mswin.c
+ *
+ * The Windows-specific mouse cursor related stuff.
+ *
+ * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.
+ * Written by John F. Fay, <fayjf@sourceforge.net>
+ * Creation date: Sat Jan 21, 2012
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <GL/freeglut.h>
+#include "../Common/freeglut_internal.h"
+
+
+extern void fghRedrawWindow ( SFG_Window *window );
+
+extern void fgNewWGLCreateContext( SFG_Window* window );
+extern GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
+ unsigned char layer_type );
+
+#ifdef WM_TOUCH
+typedef BOOL (WINAPI *pGetTouchInputInfo)(HTOUCHINPUT,UINT,PTOUCHINPUT,int);
+typedef BOOL (WINAPI *pCloseTouchInputHandle)(HTOUCHINPUT);
+static pGetTouchInputInfo fghGetTouchInputInfo = (pGetTouchInputInfo)0xDEADBEEF;
+static pCloseTouchInputHandle fghCloseTouchInputHandle = (pCloseTouchInputHandle)0xDEADBEEF;
+#endif
+
+/*
+ * Helper functions for getting client area from the window rect
+ * and the window rect from the client area given the style of the window
+ * (or a valid window pointer from which the style can be queried).
+ */
+extern void fghComputeWindowRectFromClientArea_QueryWindow( const SFG_Window *window, RECT *clientRect, BOOL posIsOutside );
+extern RECT fghGetClientArea ( const SFG_Window *window, BOOL wantPosOutside );
+
+
+void fgPlatformReshapeWindow ( SFG_Window *window, int width, int height )
+{
+ RECT windowRect;
+
+ /*
+ * For windowed mode, get the current position of the
+ * window and resize taking the size of the frame
+ * decorations into account.
+ */
+
+ /* "GetWindowRect" returns the pixel coordinates of the outside of the window */
+ GetWindowRect( window->Window.Handle, &windowRect );
+
+ /* Create rect in FreeGLUT format, (X,Y) topleft outside window, WxH of client area */
+ windowRect.right = windowRect.left+width;
+ windowRect.bottom = windowRect.top+height;
+
+ if (window->Parent == NULL)
+ /* get the window rect from this to feed to SetWindowPos, correct for window decorations */
+ fghComputeWindowRectFromClientArea_QueryWindow(window,&windowRect,TRUE);
+ else
+ {
+ /* correct rect for position client area of parent window
+ * (SetWindowPos input for child windows is in coordinates
+ * relative to the parent's client area).
+ * Child windows don't have decoration, so no need to correct
+ * for them.
+ */
+ RECT parentRect;
+ parentRect = fghGetClientArea( window->Parent, FALSE );
+ windowRect.left -= parentRect.left;
+ windowRect.right -= parentRect.left;
+ windowRect.top -= parentRect.top;
+ windowRect.bottom -= parentRect.top;
+ }
+
+ /* Do the actual resizing */
+ SetWindowPos( window->Window.Handle,
+ HWND_TOP,
+ windowRect.left, windowRect.top,
+ windowRect.right - windowRect.left,
+ windowRect.bottom- windowRect.top,
+ SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING |
+ SWP_NOZORDER
+ );
+}
+
+
+void fgPlatformDisplayWindow ( SFG_Window *window )
+{
+ RedrawWindow(
+ window->Window.Handle, NULL, NULL,
+ RDW_NOERASE | RDW_INTERNALPAINT | RDW_INVALIDATE | RDW_UPDATENOW
+ );
+}
+
+
+unsigned long fgPlatformSystemTime ( void )
+{
+#if defined(_WIN32_WCE)
+ return GetTickCount();
+#else
+ return timeGetTime();
+#endif
+}
+
+
+void fgPlatformSleepForEvents( long msec )
+{
+ MsgWaitForMultipleObjects( 0, NULL, FALSE, msec, QS_ALLINPUT );
+}
+
+
+void fgPlatformProcessSingleEvent ( void )
+{
+ MSG stMsg;
+
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );
+
+ while( PeekMessage( &stMsg, NULL, 0, 0, PM_NOREMOVE ) )
+ {
+ if( GetMessage( &stMsg, NULL, 0, 0 ) == 0 )
+ {
+ if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT )
+ {
+ fgDeinitialize( );
+ exit( 0 );
+ }
+ else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS )
+ fgState.ExecState = GLUT_EXEC_STATE_STOP;
+
+ return;
+ }
+
+ TranslateMessage( &stMsg );
+ DispatchMessage( &stMsg );
+ }
+}
+
+
+
+void fgPlatformMainLoopPreliminaryWork ( void )
+{
+ SFG_Window *window = (SFG_Window *)fgStructure.Windows.First ;
+
+ /*
+ * Processing before the main loop: If there is a window which is open and
+ * which has a visibility callback, call it. I know this is an ugly hack,
+ * but I'm not sure what else to do about it. Ideally we should leave
+ * something uninitialized in the create window code and initialize it in
+ * the main loop, and have that initialization create a "WM_ACTIVATE"
+ * message. Then we would put the visibility callback code in the
+ * "case WM_ACTIVATE" block below. - John Fay -- 10/24/02
+ */
+ while( window )
+ {
+ if ( FETCH_WCB( *window, Visibility ) )
+ {
+ SFG_Window *current_window = fgStructure.CurrentWindow ;
+
+ INVOKE_WCB( *window, Visibility, ( window->State.Visible ) );
+ fgSetWindow( current_window );
+ }
+
+ window = (SFG_Window *)window->Node.Next ;
+ }
+}
+
+
+/*
+ * Determine a GLUT modifer mask based on MS-WINDOWS system info.
+ */
+static int fgPlatformGetModifiers (void)
+{
+ return
+ ( ( ( GetKeyState( VK_LSHIFT ) < 0 ) ||
+ ( GetKeyState( VK_RSHIFT ) < 0 )) ? GLUT_ACTIVE_SHIFT : 0 ) |
+ ( ( ( GetKeyState( VK_LCONTROL ) < 0 ) ||
+ ( GetKeyState( VK_RCONTROL ) < 0 )) ? GLUT_ACTIVE_CTRL : 0 ) |
+ ( ( ( GetKeyState( VK_LMENU ) < 0 ) ||
+ ( GetKeyState( VK_RMENU ) < 0 )) ? GLUT_ACTIVE_ALT : 0 );
+}
+
+/*
+ * The window procedure for handling Win32 events
+ */
+LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam,
+ LPARAM lParam )
+{
+ static unsigned char lControl = 0, rControl = 0, lShift = 0,
+ rShift = 0, lAlt = 0, rAlt = 0;
+
+ SFG_Window* window;
+ PAINTSTRUCT ps;
+ LRESULT lRet = 1;
+
+ FREEGLUT_INTERNAL_ERROR_EXIT_IF_NOT_INITIALISED ( "Event Handler" ) ;
+
+ window = fgWindowByHandle( hWnd );
+
+ if ( ( window == NULL ) && ( uMsg != WM_CREATE ) )
+ return DefWindowProc( hWnd, uMsg, wParam, lParam );
+
+ /* printf ( "Window %3d message <%04x> %12d %12d\n", window?window->ID:0,
+ uMsg, wParam, lParam ); */
+
+ if ( window )
+ {
+ /* Checking for CTRL, ALT, and SHIFT key positions: Key Down! */
+ if ( !lControl && GetAsyncKeyState ( VK_LCONTROL ) )
+ {
+ INVOKE_WCB ( *window, Special,
+ ( GLUT_KEY_CTRL_L, window->State.MouseX, window->State.MouseY )
+ );
+
+ lControl = 1;
+ }
+
+ if ( !rControl && GetAsyncKeyState ( VK_RCONTROL ) )
+ {
+ INVOKE_WCB ( *window, Special,
+ ( GLUT_KEY_CTRL_R, window->State.MouseX, window->State.MouseY )
+ );
+
+ rControl = 1;
+ }
+
+ if ( !lShift && GetAsyncKeyState ( VK_LSHIFT ) )
+ {
+ INVOKE_WCB ( *window, Special,
+ ( GLUT_KEY_SHIFT_L, window->State.MouseX, window->State.MouseY )
+ );
+
+ lShift = 1;
+ }
+
+ if ( !rShift && GetAsyncKeyState ( VK_RSHIFT ) )
+ {
+ INVOKE_WCB ( *window, Special,
+ ( GLUT_KEY_SHIFT_R, window->State.MouseX, window->State.MouseY )
+ );
+
+ rShift = 1;
+ }
+
+ if ( !lAlt && GetAsyncKeyState ( VK_LMENU ) )
+ {
+ INVOKE_WCB ( *window, Special,
+ ( GLUT_KEY_ALT_L, window->State.MouseX, window->State.MouseY )
+ );
+
+ lAlt = 1;
+ }
+
+ if ( !rAlt && GetAsyncKeyState ( VK_RMENU ) )
+ {
+ INVOKE_WCB ( *window, Special,
+ ( GLUT_KEY_ALT_R, window->State.MouseX, window->State.MouseY )
+ );
+
+ rAlt = 1;
+ }
+
+ /* Checking for CTRL, ALT, and SHIFT key positions: Key Up! */
+ if ( lControl && !GetAsyncKeyState ( VK_LCONTROL ) )
+ {
+ INVOKE_WCB ( *window, SpecialUp,
+ ( GLUT_KEY_CTRL_L, window->State.MouseX, window->State.MouseY )
+ );
+
+ lControl = 0;
+ }
+
+ if ( rControl && !GetAsyncKeyState ( VK_RCONTROL ) )
+ {
+ INVOKE_WCB ( *window, SpecialUp,
+ ( GLUT_KEY_CTRL_R, window->State.MouseX, window->State.MouseY )
+ );
+
+ rControl = 0;
+ }
+
+ if ( lShift && !GetAsyncKeyState ( VK_LSHIFT ) )
+ {
+ INVOKE_WCB ( *window, SpecialUp,
+ ( GLUT_KEY_SHIFT_L, window->State.MouseX, window->State.MouseY )
+ );
+
+ lShift = 0;
+ }
+
+ if ( rShift && !GetAsyncKeyState ( VK_RSHIFT ) )
+ {
+ INVOKE_WCB ( *window, SpecialUp,
+ ( GLUT_KEY_SHIFT_R, window->State.MouseX, window->State.MouseY )
+ );
+
+ rShift = 0;
+ }
+
+ if ( lAlt && !GetAsyncKeyState ( VK_LMENU ) )
+ {
+ INVOKE_WCB ( *window, SpecialUp,
+ ( GLUT_KEY_ALT_L, window->State.MouseX, window->State.MouseY )
+ );
+
+ lAlt = 0;
+ }
+
+ if ( rAlt && !GetAsyncKeyState ( VK_RMENU ) )
+ {
+ INVOKE_WCB ( *window, SpecialUp,
+ ( GLUT_KEY_ALT_R, window->State.MouseX, window->State.MouseY )
+ );
+
+ rAlt = 0;
+ }
+ }
+
+ switch( uMsg )
+ {
+ case WM_CREATE:
+ /* The window structure is passed as the creation structure parameter... */
+ window = (SFG_Window *) (((LPCREATESTRUCT) lParam)->lpCreateParams);
+ FREEGLUT_INTERNAL_ERROR_EXIT ( ( window != NULL ), "Cannot create window",
+ "fgPlatformWindowProc" );
+
+ window->Window.Handle = hWnd;
+ window->Window.pContext.Device = GetDC( hWnd );
+ if( window->IsMenu )
+ {
+ unsigned int current_DisplayMode = fgState.DisplayMode;
+ fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH;
+#if !defined(_WIN32_WCE)
+ fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
+#endif
+ fgState.DisplayMode = current_DisplayMode;
+
+ if( fgStructure.MenuContext )
+ wglMakeCurrent( window->Window.pContext.Device,
+ fgStructure.MenuContext->MContext
+ );
+ else
+ {
+ fgStructure.MenuContext =
+ (SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
+ fgStructure.MenuContext->MContext =
+ wglCreateContext( window->Window.pContext.Device );
+ }
+
+ /* window->Window.Context = wglGetCurrentContext (); */
+ window->Window.Context = wglCreateContext( window->Window.pContext.Device );
+ }
+ else
+ {
+#if !defined(_WIN32_WCE)
+ fgSetupPixelFormat( window, GL_FALSE, PFD_MAIN_PLANE );
+#endif
+
+ if( ! fgState.UseCurrentContext )
+ window->Window.Context =
+ wglCreateContext( window->Window.pContext.Device );
+ else
+ {
+ window->Window.Context = wglGetCurrentContext( );
+ if( ! window->Window.Context )
+ window->Window.Context =
+ wglCreateContext( window->Window.pContext.Device );
+ }
+
+#if !defined(_WIN32_WCE)
+ fgNewWGLCreateContext( window );
+#endif
+ }
+
+ window->State.NeedToResize = GL_TRUE;
+ /* if we used CW_USEDEFAULT (thats a negative value) for the size
+ * of the window, query the window now for the size at which it
+ * was created.
+ */
+ if( ( window->State.Width < 0 ) || ( window->State.Height < 0 ) )
+ {
+ SFG_Window *current_window = fgStructure.CurrentWindow;
+
+ fgSetWindow( window );
+ window->State.Width = glutGet( GLUT_WINDOW_WIDTH );
+ window->State.Height = glutGet( GLUT_WINDOW_HEIGHT );
+ fgSetWindow( current_window );
+ }
+
+ ReleaseDC( window->Window.Handle, window->Window.pContext.Device );
+
+#if defined(_WIN32_WCE)
+ /* Take over button handling */
+ {
+ HINSTANCE dxDllLib=LoadLibrary(_T("gx.dll"));
+ if (dxDllLib)
+ {
+ GXGetDefaultKeys_=(GXGETDEFAULTKEYS)GetProcAddress(dxDllLib, _T("?GXGetDefaultKeys@@YA?AUGXKeyList@@H@Z"));
+ GXOpenInput_=(GXOPENINPUT)GetProcAddress(dxDllLib, _T("?GXOpenInput@@YAHXZ"));
+ }
+
+ if(GXOpenInput_)
+ (*GXOpenInput_)();
+ if(GXGetDefaultKeys_)
+ gxKeyList = (*GXGetDefaultKeys_)(GX_LANDSCAPEKEYS);
+ }
+
+#endif /* defined(_WIN32_WCE) */
+ break;
+
+ case WM_SIZE:
+ /*
+ * If the window is visible, then it is the user manually resizing it.
+ * If it is not, then it is the system sending us a dummy resize with
+ * zero dimensions on a "glutIconifyWindow" call.
+ */
+ if( window->State.Visible )
+ {
+ window->State.NeedToResize = GL_TRUE;
+#if defined(_WIN32_WCE)
+ window->State.Width = HIWORD(lParam);
+ window->State.Height = LOWORD(lParam);
+#else
+ window->State.Width = LOWORD(lParam);
+ window->State.Height = HIWORD(lParam);
+#endif /* defined(_WIN32_WCE) */
+ }
+
+ break;
+
+ case WM_SETFOCUS:
+/* printf("WM_SETFOCUS: %p\n", window ); */
+ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
+ INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) );
+
+ UpdateWindow ( hWnd );
+ break;
+
+ case WM_KILLFOCUS:
+/* printf("WM_KILLFOCUS: %p\n", window ); */
+ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
+ INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) );
+
+ if( window->IsMenu &&
+ window->ActiveMenu && window->ActiveMenu->IsActive )
+ fgUpdateMenuHighlight( window->ActiveMenu );
+
+ break;
+
+#if 0
+ case WM_ACTIVATE:
+ if (LOWORD(wParam) != WA_INACTIVE)
+ {
+/* printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window,
+ window->State.Cursor ); */
+ fgSetCursor( window, window->State.Cursor );
+ }
+
+ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
+ break;
+#endif
+
+ case WM_SETCURSOR:
+/* printf ( "Cursor event %x %x %x %x\n", window, window->State.Cursor, lParam, wParam ) ; */
+ if( LOWORD( lParam ) == HTCLIENT )
+ fgSetCursor ( window, window->State.Cursor ) ;
+ else
+ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
+ break;
+
+ case WM_SHOWWINDOW:
+ window->State.Visible = GL_TRUE;
+ window->State.Redisplay = GL_TRUE;
+ break;
+
+ case WM_PAINT:
+ /* Turn on the visibility in case it was turned off somehow */
+ window->State.Visible = GL_TRUE;
+ BeginPaint( hWnd, &ps );
+ fghRedrawWindow( window );
+ EndPaint( hWnd, &ps );
+ break;
+
+ case WM_CLOSE:
+ fgDestroyWindow ( window );
+ if ( fgState.ActionOnWindowClose != GLUT_ACTION_CONTINUE_EXECUTION )
+ PostQuitMessage(0);
+ break;
+
+ case WM_DESTROY:
+ /*
+ * The window already got destroyed, so don't bother with it.
+ */
+ return 0;
+
+ case WM_MOUSEMOVE:
+ {
+#if defined(_WIN32_WCE)
+ window->State.MouseX = 320-HIWORD( lParam );
+ window->State.MouseY = LOWORD( lParam );
+#else
+ window->State.MouseX = LOWORD( lParam );
+ window->State.MouseY = HIWORD( lParam );
+#endif /* defined(_WIN32_WCE) */
+ /* Restrict to [-32768, 32767] to match X11 behaviour */
+ /* See comment in "freeglut_developer" mailing list 10/4/04 */
+ if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
+ if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
+
+ if ( window->ActiveMenu )
+ {
+ fgUpdateMenuHighlight( window->ActiveMenu );
+ break;
+ }
+ SetFocus(window->Window.Handle);
+
+ fgState.Modifiers = fgPlatformGetModifiers( );
+
+ if( ( wParam & MK_LBUTTON ) ||
+ ( wParam & MK_MBUTTON ) ||
+ ( wParam & MK_RBUTTON ) )
+ INVOKE_WCB( *window, Motion, ( window->State.MouseX,
+ window->State.MouseY ) );
+ else
+ INVOKE_WCB( *window, Passive, ( window->State.MouseX,
+ window->State.MouseY ) );
+
+ fgState.Modifiers = INVALID_MODIFIERS;
+ }
+ break;
+
+ case WM_LBUTTONDOWN:
+ case WM_MBUTTONDOWN:
+ case WM_RBUTTONDOWN:
+ case WM_LBUTTONUP:
+ case WM_MBUTTONUP:
+ case WM_RBUTTONUP:
+ {
+ GLboolean pressed = GL_TRUE;
+ int button;
+
+#if defined(_WIN32_WCE)
+ window->State.MouseX = 320-HIWORD( lParam );
+ window->State.MouseY = LOWORD( lParam );
+#else
+ window->State.MouseX = LOWORD( lParam );
+ window->State.MouseY = HIWORD( lParam );
+#endif /* defined(_WIN32_WCE) */
+
+ /* Restrict to [-32768, 32767] to match X11 behaviour */
+ /* See comment in "freeglut_developer" mailing list 10/4/04 */
+ if ( window->State.MouseX > 32767 ) window->State.MouseX -= 65536;
+ if ( window->State.MouseY > 32767 ) window->State.MouseY -= 65536;
+
+ switch( uMsg )
+ {
+ case WM_LBUTTONDOWN:
+ pressed = GL_TRUE;
+ button = GLUT_LEFT_BUTTON;
+ break;
+ case WM_MBUTTONDOWN:
+ pressed = GL_TRUE;
+ button = GLUT_MIDDLE_BUTTON;
+ break;
+ case WM_RBUTTONDOWN:
+ pressed = GL_TRUE;
+ button = GLUT_RIGHT_BUTTON;
+ break;
+ case WM_LBUTTONUP:
+ pressed = GL_FALSE;
+ button = GLUT_LEFT_BUTTON;
+ break;
+ case WM_MBUTTONUP:
+ pressed = GL_FALSE;
+ button = GLUT_MIDDLE_BUTTON;
+ break;
+ case WM_RBUTTONUP:
+ pressed = GL_FALSE;
+ button = GLUT_RIGHT_BUTTON;
+ break;
+ default:
+ pressed = GL_FALSE;
+ button = -1;
+ break;
+ }
+
+#if !defined(_WIN32_WCE)
+ if( GetSystemMetrics( SM_SWAPBUTTON ) )
+ {
+ if( button == GLUT_LEFT_BUTTON )
+ button = GLUT_RIGHT_BUTTON;
+ else
+ if( button == GLUT_RIGHT_BUTTON )
+ button = GLUT_LEFT_BUTTON;
+ }
+#endif /* !defined(_WIN32_WCE) */
+
+ if( button == -1 )
+ return DefWindowProc( hWnd, uMsg, lParam, wParam );
+
+ /*
+ * Do not execute the application's mouse callback if a menu
+ * is hooked to this button. In that case an appropriate
+ * private call should be generated.
+ */
+ if( fgCheckActiveMenu( window, button, pressed,
+ window->State.MouseX, window->State.MouseY ) )
+ break;
+
+ /* Set capture so that the window captures all the mouse messages */
+ /*
+ * XXX - Multiple button support: Under X11, the mouse is not released
+ * XXX - from the window until all buttons have been released, even if the
+ * XXX - user presses a button in another window. This will take more
+ * XXX - code changes than I am up to at the moment (10/5/04). The present
+ * XXX - is a 90 percent solution.
+ */
+ if ( pressed == GL_TRUE )
+ SetCapture ( window->Window.Handle ) ;
+ else
+ ReleaseCapture () ;
+
+ if( ! FETCH_WCB( *window, Mouse ) )
+ break;
+
+ fgSetWindow( window );
+ fgState.Modifiers = fgPlatformGetModifiers( );
+
+ INVOKE_WCB(
+ *window, Mouse,
+ ( button,
+ pressed ? GLUT_DOWN : GLUT_UP,
+ window->State.MouseX,
+ window->State.MouseY
+ )
+ );
+
+ fgState.Modifiers = INVALID_MODIFIERS;
+ }
+ break;
+
+ case 0x020a:
+ /* Should be WM_MOUSEWHEEL but my compiler doesn't recognize it */
+ {
+ int wheel_number = LOWORD( wParam );
+ short ticks = ( short )HIWORD( wParam );
+ fgState.MouseWheelTicks += ticks;
+
+ /*
+ * XXX Should use WHEEL_DELTA instead of 120
+ */
+ if ( abs ( fgState.MouseWheelTicks ) > 120 )
+ {
+ int direction = ( fgState.MouseWheelTicks > 0 ) ? 1 : -1;
+
+ if( ! FETCH_WCB( *window, MouseWheel ) &&
+ ! FETCH_WCB( *window, Mouse ) )
+ break;
+
+ fgSetWindow( window );
+ fgState.Modifiers = fgPlatformGetModifiers( );
+
+ /*
+ * XXX Should use WHEEL_DELTA instead of 120
+ */
+ while( abs ( fgState.MouseWheelTicks ) > 120 )
+ {
+ if( FETCH_WCB( *window, MouseWheel ) )
+ INVOKE_WCB( *window, MouseWheel,
+ ( wheel_number,
+ direction,
+ window->State.MouseX,
+ window->State.MouseY
+ )
+ );
+ else /* No mouse wheel, call the mouse button callback twice */
+ {
+ /*
+ * Map wheel zero to button 3 and 4; +1 to 3, -1 to 4
+ * " " one +1 to 5, -1 to 6, ...
+ *
+ * XXX The below assumes that you have no more than 3 mouse
+ * XXX buttons. Sorry.
+ */
+ int button = wheel_number * 2 + 3;
+ if( direction < 0 )
+ ++button;
+ INVOKE_WCB( *window, Mouse,
+ ( button, GLUT_DOWN,
+ window->State.MouseX, window->State.MouseY )
+ );
+ INVOKE_WCB( *window, Mouse,
+ ( button, GLUT_UP,
+ window->State.MouseX, window->State.MouseY )
+ );
+ }
+
+ /*
+ * XXX Should use WHEEL_DELTA instead of 120
+ */
+ fgState.MouseWheelTicks -= 120 * direction;
+ }
+
+ fgState.Modifiers = INVALID_MODIFIERS;
+ }
+ }
+ break ;
+
+ case WM_SYSKEYDOWN:
+ case WM_KEYDOWN:
+ {
+ int keypress = -1;
+ POINT mouse_pos ;
+
+ if( ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE ) && (HIWORD(lParam) & KF_REPEAT) )
+ break;
+
+ /*
+ * Remember the current modifiers state. This is done here in order
+ * to make sure the VK_DELETE keyboard callback is executed properly.
+ */
+ fgState.Modifiers = fgPlatformGetModifiers( );
+
+ GetCursorPos( &mouse_pos );
+ ScreenToClient( window->Window.Handle, &mouse_pos );
+
+ window->State.MouseX = mouse_pos.x;
+ window->State.MouseY = mouse_pos.y;
+
+ /* Convert the Win32 keystroke codes to GLUTtish way */
+# define KEY(a,b) case a: keypress = b; break;
+
+ switch( wParam )
+ {
+ KEY( VK_F1, GLUT_KEY_F1 );
+ KEY( VK_F2, GLUT_KEY_F2 );
+ KEY( VK_F3, GLUT_KEY_F3 );
+ KEY( VK_F4, GLUT_KEY_F4 );
+ KEY( VK_F5, GLUT_KEY_F5 );
+ KEY( VK_F6, GLUT_KEY_F6 );
+ KEY( VK_F7, GLUT_KEY_F7 );
+ KEY( VK_F8, GLUT_KEY_F8 );
+ KEY( VK_F9, GLUT_KEY_F9 );
+ KEY( VK_F10, GLUT_KEY_F10 );
+ KEY( VK_F11, GLUT_KEY_F11 );
+ KEY( VK_F12, GLUT_KEY_F12 );
+ KEY( VK_PRIOR, GLUT_KEY_PAGE_UP );
+ KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN );
+ KEY( VK_HOME, GLUT_KEY_HOME );
+ KEY( VK_END, GLUT_KEY_END );
+ KEY( VK_LEFT, GLUT_KEY_LEFT );
+ KEY( VK_UP, GLUT_KEY_UP );
+ KEY( VK_RIGHT, GLUT_KEY_RIGHT );
+ KEY( VK_DOWN, GLUT_KEY_DOWN );
+ KEY( VK_INSERT, GLUT_KEY_INSERT );
+ KEY( VK_LCONTROL, GLUT_KEY_CTRL_L );
+ KEY( VK_RCONTROL, GLUT_KEY_CTRL_R );
+ KEY( VK_LSHIFT, GLUT_KEY_SHIFT_L );
+ KEY( VK_RSHIFT, GLUT_KEY_SHIFT_R );
+ KEY( VK_LMENU, GLUT_KEY_ALT_L );
+ KEY( VK_RMENU, GLUT_KEY_ALT_R );
+
+ case VK_DELETE:
+ /* The delete key should be treated as an ASCII keypress: */
+ INVOKE_WCB( *window, Keyboard,
+ ( 127, window->State.MouseX, window->State.MouseY )
+ );
+ }
+
+#if defined(_WIN32_WCE)
+ if(!(lParam & 0x40000000)) /* Prevent auto-repeat */
+ {
+ if(wParam==(unsigned)gxKeyList.vkRight)
+ keypress = GLUT_KEY_RIGHT;
+ else if(wParam==(unsigned)gxKeyList.vkLeft)
+ keypress = GLUT_KEY_LEFT;
+ else if(wParam==(unsigned)gxKeyList.vkUp)
+ keypress = GLUT_KEY_UP;
+ else if(wParam==(unsigned)gxKeyList.vkDown)
+ keypress = GLUT_KEY_DOWN;
+ else if(wParam==(unsigned)gxKeyList.vkA)
+ keypress = GLUT_KEY_F1;
+ else if(wParam==(unsigned)gxKeyList.vkB)
+ keypress = GLUT_KEY_F2;
+ else if(wParam==(unsigned)gxKeyList.vkC)
+ keypress = GLUT_KEY_F3;
+ else if(wParam==(unsigned)gxKeyList.vkStart)
+ keypress = GLUT_KEY_F4;
+ }
+#endif
+
+ if( keypress != -1 )
+ INVOKE_WCB( *window, Special,
+ ( keypress,
+ window->State.MouseX, window->State.MouseY )
+ );
+
+ fgState.Modifiers = INVALID_MODIFIERS;
+ }
+ break;
+
+ case WM_SYSKEYUP:
+ case WM_KEYUP:
+ {
+ int keypress = -1;
+ POINT mouse_pos;
+
+ /*
+ * Remember the current modifiers state. This is done here in order
+ * to make sure the VK_DELETE keyboard callback is executed properly.
+ */
+ fgState.Modifiers = fgPlatformGetModifiers( );
+
+ GetCursorPos( &mouse_pos );
+ ScreenToClient( window->Window.Handle, &mouse_pos );
+
+ window->State.MouseX = mouse_pos.x;
+ window->State.MouseY = mouse_pos.y;
+
+ /*
+ * Convert the Win32 keystroke codes to GLUTtish way.
+ * "KEY(a,b)" was defined under "WM_KEYDOWN"
+ */
+
+ switch( wParam )
+ {
+ KEY( VK_F1, GLUT_KEY_F1 );
+ KEY( VK_F2, GLUT_KEY_F2 );
+ KEY( VK_F3, GLUT_KEY_F3 );
+ KEY( VK_F4, GLUT_KEY_F4 );
+ KEY( VK_F5, GLUT_KEY_F5 );
+ KEY( VK_F6, GLUT_KEY_F6 );
+ KEY( VK_F7, GLUT_KEY_F7 );
+ KEY( VK_F8, GLUT_KEY_F8 );
+ KEY( VK_F9, GLUT_KEY_F9 );
+ KEY( VK_F10, GLUT_KEY_F10 );
+ KEY( VK_F11, GLUT_KEY_F11 );
+ KEY( VK_F12, GLUT_KEY_F12 );
+ KEY( VK_PRIOR, GLUT_KEY_PAGE_UP );
+ KEY( VK_NEXT, GLUT_KEY_PAGE_DOWN );
+ KEY( VK_HOME, GLUT_KEY_HOME );
+ KEY( VK_END, GLUT_KEY_END );
+ KEY( VK_LEFT, GLUT_KEY_LEFT );
+ KEY( VK_UP, GLUT_KEY_UP );
+ KEY( VK_RIGHT, GLUT_KEY_RIGHT );
+ KEY( VK_DOWN, GLUT_KEY_DOWN );
+ KEY( VK_INSERT, GLUT_KEY_INSERT );
+ KEY( VK_LCONTROL, GLUT_KEY_CTRL_L );
+ KEY( VK_RCONTROL, GLUT_KEY_CTRL_R );
+ KEY( VK_LSHIFT, GLUT_KEY_SHIFT_L );
+ KEY( VK_RSHIFT, GLUT_KEY_SHIFT_R );
+ KEY( VK_LMENU, GLUT_KEY_ALT_L );
+ KEY( VK_RMENU, GLUT_KEY_ALT_R );
+
+ case VK_DELETE:
+ /* The delete key should be treated as an ASCII keypress: */
+ INVOKE_WCB( *window, KeyboardUp,
+ ( 127, window->State.MouseX, window->State.MouseY )
+ );
+ break;
+
+ default:
+ {
+#if !defined(_WIN32_WCE)
+ BYTE state[ 256 ];
+ WORD code[ 2 ];
+
+ GetKeyboardState( state );
+
+ if( ToAscii( (UINT)wParam, 0, state, code, 0 ) == 1 )
+ wParam=code[ 0 ];
+
+ INVOKE_WCB( *window, KeyboardUp,
+ ( (char)wParam,
+ window->State.MouseX, window->State.MouseY )
+ );
+#endif /* !defined(_WIN32_WCE) */
+ }
+ }
+
+ if( keypress != -1 )
+ INVOKE_WCB( *window, SpecialUp,
+ ( keypress,
+ window->State.MouseX, window->State.MouseY )
+ );
+
+ fgState.Modifiers = INVALID_MODIFIERS;
+ }
+ break;
+
+ case WM_SYSCHAR:
+ case WM_CHAR:
+ {
+ if( (fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE) && (HIWORD(lParam) & KF_REPEAT) )
+ break;
+
+ fgState.Modifiers = fgPlatformGetModifiers( );
+ INVOKE_WCB( *window, Keyboard,
+ ( (char)wParam,
+ window->State.MouseX, window->State.MouseY )
+ );
+ fgState.Modifiers = INVALID_MODIFIERS;
+ }
+ break;
+
+ case WM_CAPTURECHANGED:
+ /* User has finished resizing the window, force a redraw */
+ INVOKE_WCB( *window, Display, ( ) );
+
+ /*lRet = DefWindowProc( hWnd, uMsg, wParam, lParam ); */
+ break;
+
+ /* Other messages that I have seen and which are not handled already */
+ case WM_SETTEXT: /* 0x000c */
+ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
+ /* Pass it on to "DefWindowProc" to set the window text */
+ break;
+
+ case WM_GETTEXT: /* 0x000d */
+ /* Ideally we would copy the title of the window into "lParam" */
+ /* strncpy ( (char *)lParam, "Window Title", wParam );
+ lRet = ( wParam > 12 ) ? 12 : wParam; */
+ /* the number of characters copied */
+ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
+ break;
+
+ case WM_GETTEXTLENGTH: /* 0x000e */
+ /* Ideally we would get the length of the title of the window */
+ lRet = 12;
+ /* the number of characters in "Window Title\0" (see above) */
+ break;
+
+ case WM_ERASEBKGND: /* 0x0014 */
+ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
+ break;
+
+#if !defined(_WIN32_WCE)
+ case WM_SYNCPAINT: /* 0x0088 */
+ /* Another window has moved, need to update this one */
+ window->State.Redisplay = GL_TRUE;
+ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
+ /* Help screen says this message must be passed to "DefWindowProc" */
+ break;
+
+ case WM_NCPAINT: /* 0x0085 */
+ /* Need to update the border of this window */
+ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
+ /* Pass it on to "DefWindowProc" to repaint a standard border */
+ break;
+
+ case WM_SYSCOMMAND : /* 0x0112 */
+ {
+ /*
+ * We have received a system command message. Try to act on it.
+ * The commands are passed in through the "wParam" parameter:
+ * The least significant digit seems to be which edge of the window
+ * is being used for a resize event:
+ * 4 3 5
+ * 1 2
+ * 7 6 8
+ * Congratulations and thanks to Richard Rauch for figuring this out..
+ */
+ switch ( wParam & 0xfff0 )
+ {
+ case SC_SIZE :
+ break ;
+
+ case SC_MOVE :
+ break ;
+
+ case SC_MINIMIZE :
+ /* User has clicked on the "-" to minimize the window */
+ /* Turn off the visibility */
+ window->State.Visible = GL_FALSE ;
+
+ break ;
+
+ case SC_MAXIMIZE :
+ break ;
+
+ case SC_NEXTWINDOW :
+ break ;
+
+ case SC_PREVWINDOW :
+ break ;
+
+ case SC_CLOSE :
+ /* Followed very closely by a WM_CLOSE message */
+ break ;
+
+ case SC_VSCROLL :
+ break ;
+
+ case SC_HSCROLL :
+ break ;
+
+ case SC_MOUSEMENU :
+ break ;
+
+ case SC_KEYMENU :
+ break ;
+
+ case SC_ARRANGE :
+ break ;
+
+ case SC_RESTORE :
+ break ;
+
+ case SC_TASKLIST :
+ break ;
+
+ case SC_SCREENSAVE :
+ break ;
+
+ case SC_HOTKEY :
+ break ;
+
+#if(WINVER >= 0x0400)
+ case SC_DEFAULT :
+ break ;
+
+ case SC_MONITORPOWER :
+ break ;
+
+ case SC_CONTEXTHELP :
+ break ;
+#endif /* WINVER >= 0x0400 */
+
+ default:
+#if _DEBUG
+ fgWarning( "Unknown wParam type 0x%x", wParam );
+#endif
+ break;
+ }
+ }
+#endif /* !defined(_WIN32_WCE) */
+
+ /* We need to pass the message on to the operating system as well */
+ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
+ break;
+
+#ifdef WM_TOUCH
+ /* handle multi-touch messages */
+ case WM_TOUCH:
+ {
+ unsigned int numInputs = (unsigned int)wParam;
+ unsigned int i = 0;
+ TOUCHINPUT* ti = (TOUCHINPUT*)malloc( sizeof(TOUCHINPUT)*numInputs);
+
+ if (fghGetTouchInputInfo == (pGetTouchInputInfo)0xDEADBEEF) {
+ fghGetTouchInputInfo = (pGetTouchInputInfo)GetProcAddress(GetModuleHandle("user32"),"GetTouchInputInfo");
+ fghCloseTouchInputHandle = (pCloseTouchInputHandle)GetProcAddress(GetModuleHandle("user32"),"CloseTouchInputHandle");
+ }
+
+ if (!fghGetTouchInputInfo) {
+ free( (void*)ti );
+ break;
+ }
+
+ if (fghGetTouchInputInfo( (HTOUCHINPUT)lParam, numInputs, ti, sizeof(TOUCHINPUT) )) {
+ /* Handle each contact point */
+ for (i = 0; i < numInputs; ++i ) {
+
+ POINT tp;
+ tp.x = TOUCH_COORD_TO_PIXEL(ti[i].x);
+ tp.y = TOUCH_COORD_TO_PIXEL(ti[i].y);
+ ScreenToClient( hWnd, &tp );
+
+ ti[i].dwID = ti[i].dwID * 2;
+
+ if (ti[i].dwFlags & TOUCHEVENTF_DOWN) {
+ INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_ENTERED ) );
+ INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_DOWN ) );
+ } else if (ti[i].dwFlags & TOUCHEVENTF_MOVE) {
+ INVOKE_WCB( *window, MultiMotion, ( ti[i].dwID, tp.x, tp.y ) );
+ } else if (ti[i].dwFlags & TOUCHEVENTF_UP) {
+ INVOKE_WCB( *window, MultiButton, ( ti[i].dwID, tp.x, tp.y, 0, GLUT_UP ) );
+ INVOKE_WCB( *window, MultiEntry, ( ti[i].dwID, GLUT_LEFT ) );
+ }
+ }
+ }
+ fghCloseTouchInputHandle((HTOUCHINPUT)lParam);
+ free( (void*)ti );
+ lRet = 0; /*DefWindowProc( hWnd, uMsg, wParam, lParam );*/
+ break;
+ }
+#endif
+ default:
+ /* Handle unhandled messages */
+ lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
+ break;
+ }
+
+ return lRet;
+}
projects / freeglut / blobdiff