added a function to translate WM_ messages to text, for debugging
[freeglut] / src / mswin / fg_main_mswin.c
index ad80055..f1c6eb7 100644 (file)
@@ -62,6 +62,389 @@ GXOPENINPUT GXOpenInput_ = NULL;
 struct GXKeyList gxKeyList;
 #endif /* _WIN32_WCE */
 
+#ifdef _DEBUG
+/* 
+ * WM_ message to string, for debugging
+ * This is taken from the 8.0 SDK, so Windows 8 API and everything earlier is included
+ */
+struct WM_MESSAGE_MAP
+{
+    UINT    nMsg;
+    LPCSTR  lpszMsg;
+};
+#define DEFINE_MESSAGE(wm){ wm, #wm }
+static struct WM_MESSAGE_MAP allMessages[] =
+{
+    DEFINE_MESSAGE(WM_NULL),
+    DEFINE_MESSAGE(WM_CREATE),
+    DEFINE_MESSAGE(WM_DESTROY),
+    DEFINE_MESSAGE(WM_MOVE),
+    DEFINE_MESSAGE(WM_SIZE),
+
+    DEFINE_MESSAGE(WM_ACTIVATE),
+    DEFINE_MESSAGE(WM_SETFOCUS),
+    DEFINE_MESSAGE(WM_KILLFOCUS),
+    DEFINE_MESSAGE(WM_ENABLE),
+    DEFINE_MESSAGE(WM_SETREDRAW),
+    DEFINE_MESSAGE(WM_SETTEXT),
+    DEFINE_MESSAGE(WM_GETTEXT),
+    DEFINE_MESSAGE(WM_GETTEXTLENGTH),
+    DEFINE_MESSAGE(WM_PAINT),
+    DEFINE_MESSAGE(WM_CLOSE),
+#   ifndef _WIN32_WCE
+        DEFINE_MESSAGE(WM_QUERYENDSESSION),
+        DEFINE_MESSAGE(WM_QUERYOPEN),
+        DEFINE_MESSAGE(WM_ENDSESSION),
+#   endif
+    DEFINE_MESSAGE(WM_QUIT),
+    DEFINE_MESSAGE(WM_ERASEBKGND),
+    DEFINE_MESSAGE(WM_SYSCOLORCHANGE),
+    DEFINE_MESSAGE(WM_SHOWWINDOW),
+    DEFINE_MESSAGE(WM_WININICHANGE),
+
+    DEFINE_MESSAGE(WM_DEVMODECHANGE),
+    DEFINE_MESSAGE(WM_ACTIVATEAPP),
+    DEFINE_MESSAGE(WM_FONTCHANGE),
+    DEFINE_MESSAGE(WM_TIMECHANGE),
+    DEFINE_MESSAGE(WM_CANCELMODE),
+    DEFINE_MESSAGE(WM_SETCURSOR),
+    DEFINE_MESSAGE(WM_MOUSEACTIVATE),
+    DEFINE_MESSAGE(WM_CHILDACTIVATE),
+    DEFINE_MESSAGE(WM_QUEUESYNC),
+
+    DEFINE_MESSAGE(WM_GETMINMAXINFO),
+
+    DEFINE_MESSAGE(WM_PAINTICON),
+    DEFINE_MESSAGE(WM_ICONERASEBKGND),
+    DEFINE_MESSAGE(WM_NEXTDLGCTL),
+    DEFINE_MESSAGE(WM_SPOOLERSTATUS),
+    DEFINE_MESSAGE(WM_DRAWITEM),
+    DEFINE_MESSAGE(WM_MEASUREITEM),
+    DEFINE_MESSAGE(WM_DELETEITEM),
+    DEFINE_MESSAGE(WM_VKEYTOITEM),
+    DEFINE_MESSAGE(WM_CHARTOITEM),
+    DEFINE_MESSAGE(WM_SETFONT),
+    DEFINE_MESSAGE(WM_GETFONT),
+    DEFINE_MESSAGE(WM_SETHOTKEY),
+    DEFINE_MESSAGE(WM_GETHOTKEY),
+    DEFINE_MESSAGE(WM_QUERYDRAGICON),
+    DEFINE_MESSAGE(WM_COMPAREITEM),
+#   if(WINVER >= 0x0500)
+#       ifndef _WIN32_WCE
+            DEFINE_MESSAGE(WM_GETOBJECT),
+    #   endif
+#   endif /* WINVER >= 0x0500 */
+    DEFINE_MESSAGE(WM_COMPACTING),
+    DEFINE_MESSAGE(WM_COMMNOTIFY),
+    DEFINE_MESSAGE(WM_WINDOWPOSCHANGING),
+    DEFINE_MESSAGE(WM_WINDOWPOSCHANGED),
+
+    DEFINE_MESSAGE(WM_POWER),
+
+    DEFINE_MESSAGE(WM_COPYDATA),
+    DEFINE_MESSAGE(WM_CANCELJOURNAL),
+
+#   if(WINVER >= 0x0400)
+        DEFINE_MESSAGE(WM_NOTIFY),
+        DEFINE_MESSAGE(WM_INPUTLANGCHANGEREQUEST),
+        DEFINE_MESSAGE(WM_INPUTLANGCHANGE),
+        DEFINE_MESSAGE(WM_TCARD),
+        DEFINE_MESSAGE(WM_HELP),
+        DEFINE_MESSAGE(WM_USERCHANGED),
+        DEFINE_MESSAGE(WM_NOTIFYFORMAT),
+
+        DEFINE_MESSAGE(WM_CONTEXTMENU),
+        DEFINE_MESSAGE(WM_STYLECHANGING),
+        DEFINE_MESSAGE(WM_STYLECHANGED),
+        DEFINE_MESSAGE(WM_DISPLAYCHANGE),
+        DEFINE_MESSAGE(WM_GETICON),
+        DEFINE_MESSAGE(WM_SETICON),
+#   endif /* WINVER >= 0x0400 */
+
+    DEFINE_MESSAGE(WM_NCCREATE),
+    DEFINE_MESSAGE(WM_NCDESTROY),
+    DEFINE_MESSAGE(WM_NCCALCSIZE),
+    DEFINE_MESSAGE(WM_NCHITTEST),
+    DEFINE_MESSAGE(WM_NCPAINT),
+    DEFINE_MESSAGE(WM_NCACTIVATE),
+    DEFINE_MESSAGE(WM_GETDLGCODE),
+#   ifndef _WIN32_WCE
+        DEFINE_MESSAGE(WM_SYNCPAINT),
+#   endif
+    DEFINE_MESSAGE(WM_NCMOUSEMOVE),
+    DEFINE_MESSAGE(WM_NCLBUTTONDOWN),
+    DEFINE_MESSAGE(WM_NCLBUTTONUP),
+    DEFINE_MESSAGE(WM_NCLBUTTONDBLCLK),
+    DEFINE_MESSAGE(WM_NCRBUTTONDOWN),
+    DEFINE_MESSAGE(WM_NCRBUTTONUP),
+    DEFINE_MESSAGE(WM_NCRBUTTONDBLCLK),
+    DEFINE_MESSAGE(WM_NCMBUTTONDOWN),
+    DEFINE_MESSAGE(WM_NCMBUTTONUP),
+    DEFINE_MESSAGE(WM_NCMBUTTONDBLCLK),
+
+
+
+#   if(_WIN32_WINNT >= 0x0500)
+        DEFINE_MESSAGE(WM_NCXBUTTONDOWN),
+        DEFINE_MESSAGE(WM_NCXBUTTONUP),
+        DEFINE_MESSAGE(WM_NCXBUTTONDBLCLK),
+#   endif /* _WIN32_WINNT >= 0x0500 */
+
+
+#   if(_WIN32_WINNT >= 0x0501)
+        DEFINE_MESSAGE(WM_INPUT_DEVICE_CHANGE),
+#   endif /* _WIN32_WINNT >= 0x0501 */
+
+#   if(_WIN32_WINNT >= 0x0501)
+        DEFINE_MESSAGE(WM_INPUT),
+#   endif /* _WIN32_WINNT >= 0x0501 */
+
+    DEFINE_MESSAGE(WM_KEYDOWN),
+    DEFINE_MESSAGE(WM_KEYUP),
+    DEFINE_MESSAGE(WM_CHAR),
+    DEFINE_MESSAGE(WM_DEADCHAR),
+    DEFINE_MESSAGE(WM_SYSKEYDOWN),
+    DEFINE_MESSAGE(WM_SYSKEYUP),
+    DEFINE_MESSAGE(WM_SYSCHAR),
+    DEFINE_MESSAGE(WM_SYSDEADCHAR),
+#   if(_WIN32_WINNT >= 0x0501)
+        DEFINE_MESSAGE(WM_UNICHAR),
+#   endif /* _WIN32_WINNT >= 0x0501 */
+
+#   if(WINVER >= 0x0400)
+        DEFINE_MESSAGE(WM_IME_STARTCOMPOSITION),
+        DEFINE_MESSAGE(WM_IME_ENDCOMPOSITION),
+        DEFINE_MESSAGE(WM_IME_COMPOSITION),
+        DEFINE_MESSAGE(WM_IME_KEYLAST),
+#   endif /* WINVER >= 0x0400 */
+
+    DEFINE_MESSAGE(WM_INITDIALOG),
+    DEFINE_MESSAGE(WM_COMMAND),
+    DEFINE_MESSAGE(WM_SYSCOMMAND),
+    DEFINE_MESSAGE(WM_TIMER),
+    DEFINE_MESSAGE(WM_HSCROLL),
+    DEFINE_MESSAGE(WM_VSCROLL),
+    DEFINE_MESSAGE(WM_INITMENU),
+    DEFINE_MESSAGE(WM_INITMENUPOPUP),
+#   if(WINVER >= 0x0601)
+        DEFINE_MESSAGE(WM_GESTURE),
+        DEFINE_MESSAGE(WM_GESTURENOTIFY),
+#   endif /* WINVER >= 0x0601 */
+    DEFINE_MESSAGE(WM_MENUSELECT),
+    DEFINE_MESSAGE(WM_MENUCHAR),
+    DEFINE_MESSAGE(WM_ENTERIDLE),
+#   if(WINVER >= 0x0500)
+#       ifndef _WIN32_WCE
+            DEFINE_MESSAGE(WM_MENURBUTTONUP),
+            DEFINE_MESSAGE(WM_MENUDRAG),
+            DEFINE_MESSAGE(WM_MENUGETOBJECT),
+            DEFINE_MESSAGE(WM_UNINITMENUPOPUP),
+            DEFINE_MESSAGE(WM_MENUCOMMAND),
+
+#           if(_WIN32_WINNT >= 0x0500)
+                DEFINE_MESSAGE(WM_CHANGEUISTATE),
+                DEFINE_MESSAGE(WM_UPDATEUISTATE),
+                DEFINE_MESSAGE(WM_QUERYUISTATE),
+#           endif /* _WIN32_WINNT >= 0x0500 */
+
+#       endif
+#   endif /* WINVER >= 0x0500 */
+
+    DEFINE_MESSAGE(WM_CTLCOLORMSGBOX),
+    DEFINE_MESSAGE(WM_CTLCOLOREDIT),
+    DEFINE_MESSAGE(WM_CTLCOLORLISTBOX),
+    DEFINE_MESSAGE(WM_CTLCOLORBTN),
+    DEFINE_MESSAGE(WM_CTLCOLORDLG),
+    DEFINE_MESSAGE(WM_CTLCOLORSCROLLBAR),
+    DEFINE_MESSAGE(WM_CTLCOLORSTATIC),
+#   define MN_GETHMENU                     0x01E1
+
+    DEFINE_MESSAGE(WM_MOUSEMOVE),
+    DEFINE_MESSAGE(WM_LBUTTONDOWN),
+    DEFINE_MESSAGE(WM_LBUTTONUP),
+    DEFINE_MESSAGE(WM_LBUTTONDBLCLK),
+    DEFINE_MESSAGE(WM_RBUTTONDOWN),
+    DEFINE_MESSAGE(WM_RBUTTONUP),
+    DEFINE_MESSAGE(WM_RBUTTONDBLCLK),
+    DEFINE_MESSAGE(WM_MBUTTONDOWN),
+    DEFINE_MESSAGE(WM_MBUTTONUP),
+    DEFINE_MESSAGE(WM_MBUTTONDBLCLK),
+#   if (_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)
+        DEFINE_MESSAGE(WM_MOUSEWHEEL),
+#   endif
+#   if (_WIN32_WINNT >= 0x0500)
+        DEFINE_MESSAGE(WM_XBUTTONDOWN),
+        DEFINE_MESSAGE(WM_XBUTTONUP),
+        DEFINE_MESSAGE(WM_XBUTTONDBLCLK),
+#   endif
+#   if (_WIN32_WINNT >= 0x0600)
+        DEFINE_MESSAGE(WM_MOUSEHWHEEL),
+#   endif
+
+
+
+    DEFINE_MESSAGE(WM_PARENTNOTIFY),
+    DEFINE_MESSAGE(WM_ENTERMENULOOP),
+    DEFINE_MESSAGE(WM_EXITMENULOOP),
+
+#   if(WINVER >= 0x0400)
+        DEFINE_MESSAGE(WM_NEXTMENU),
+        DEFINE_MESSAGE(WM_SIZING),
+        DEFINE_MESSAGE(WM_CAPTURECHANGED),
+        DEFINE_MESSAGE(WM_MOVING),
+#   endif /* WINVER >= 0x0400 */
+
+#   if(WINVER >= 0x0400)
+        DEFINE_MESSAGE(WM_POWERBROADCAST),
+        DEFINE_MESSAGE(WM_DEVICECHANGE),
+#   endif /* WINVER >= 0x0400 */
+
+    DEFINE_MESSAGE(WM_MDICREATE),
+    DEFINE_MESSAGE(WM_MDIDESTROY),
+    DEFINE_MESSAGE(WM_MDIACTIVATE),
+    DEFINE_MESSAGE(WM_MDIRESTORE),
+    DEFINE_MESSAGE(WM_MDINEXT),
+    DEFINE_MESSAGE(WM_MDIMAXIMIZE),
+    DEFINE_MESSAGE(WM_MDITILE),
+    DEFINE_MESSAGE(WM_MDICASCADE),
+    DEFINE_MESSAGE(WM_MDIICONARRANGE),
+    DEFINE_MESSAGE(WM_MDIGETACTIVE),
+
+
+    DEFINE_MESSAGE(WM_MDISETMENU),
+    DEFINE_MESSAGE(WM_ENTERSIZEMOVE),
+    DEFINE_MESSAGE(WM_EXITSIZEMOVE),
+    DEFINE_MESSAGE(WM_DROPFILES),
+    DEFINE_MESSAGE(WM_MDIREFRESHMENU),
+
+#   if(WINVER >= 0x0602)
+        DEFINE_MESSAGE(WM_POINTERDEVICECHANGE),
+        DEFINE_MESSAGE(WM_POINTERDEVICEINRANGE),
+        DEFINE_MESSAGE(WM_POINTERDEVICEOUTOFRANGE),
+#   endif /* WINVER >= 0x0602 */
+
+#   if(WINVER >= 0x0601)
+        DEFINE_MESSAGE(WM_TOUCH),
+#   endif /* WINVER >= 0x0601 */
+
+#   if(WINVER >= 0x0602)
+        DEFINE_MESSAGE(WM_NCPOINTERUPDATE),
+        DEFINE_MESSAGE(WM_NCPOINTERDOWN),
+        DEFINE_MESSAGE(WM_NCPOINTERUP),
+        DEFINE_MESSAGE(WM_POINTERUPDATE),
+        DEFINE_MESSAGE(WM_POINTERDOWN),
+        DEFINE_MESSAGE(WM_POINTERUP),
+        DEFINE_MESSAGE(WM_POINTERENTER),
+        DEFINE_MESSAGE(WM_POINTERLEAVE),
+        DEFINE_MESSAGE(WM_POINTERACTIVATE),
+        DEFINE_MESSAGE(WM_POINTERCAPTURECHANGED),
+        DEFINE_MESSAGE(WM_TOUCHHITTESTING),
+        DEFINE_MESSAGE(WM_POINTERWHEEL),
+        DEFINE_MESSAGE(WM_POINTERHWHEEL),
+#   endif /* WINVER >= 0x0602 */
+
+
+#   if(WINVER >= 0x0400)
+        DEFINE_MESSAGE(WM_IME_SETCONTEXT),
+        DEFINE_MESSAGE(WM_IME_NOTIFY),
+        DEFINE_MESSAGE(WM_IME_CONTROL),
+        DEFINE_MESSAGE(WM_IME_COMPOSITIONFULL),
+        DEFINE_MESSAGE(WM_IME_SELECT),
+        DEFINE_MESSAGE(WM_IME_CHAR),
+#   endif /* WINVER >= 0x0400 */
+#   if(WINVER >= 0x0500)
+        DEFINE_MESSAGE(WM_IME_REQUEST),
+#   endif /* WINVER >= 0x0500 */
+#   if(WINVER >= 0x0400)
+        DEFINE_MESSAGE(WM_IME_KEYDOWN),
+        DEFINE_MESSAGE(WM_IME_KEYUP),
+#   endif /* WINVER >= 0x0400 */
+
+#   if((_WIN32_WINNT >= 0x0400) || (WINVER >= 0x0500))
+        DEFINE_MESSAGE(WM_MOUSEHOVER),
+        DEFINE_MESSAGE(WM_MOUSELEAVE),
+#   endif
+#   if(WINVER >= 0x0500)
+        DEFINE_MESSAGE(WM_NCMOUSEHOVER),
+        DEFINE_MESSAGE(WM_NCMOUSELEAVE),
+#   endif /* WINVER >= 0x0500 */
+
+#   if(_WIN32_WINNT >= 0x0501)
+        DEFINE_MESSAGE(WM_WTSSESSION_CHANGE),
+#   endif /* _WIN32_WINNT >= 0x0501 */
+
+    DEFINE_MESSAGE(WM_CUT),
+    DEFINE_MESSAGE(WM_COPY),
+    DEFINE_MESSAGE(WM_PASTE),
+    DEFINE_MESSAGE(WM_CLEAR),
+    DEFINE_MESSAGE(WM_UNDO),
+    DEFINE_MESSAGE(WM_RENDERFORMAT),
+    DEFINE_MESSAGE(WM_RENDERALLFORMATS),
+    DEFINE_MESSAGE(WM_DESTROYCLIPBOARD),
+    DEFINE_MESSAGE(WM_DRAWCLIPBOARD),
+    DEFINE_MESSAGE(WM_PAINTCLIPBOARD),
+    DEFINE_MESSAGE(WM_VSCROLLCLIPBOARD),
+    DEFINE_MESSAGE(WM_SIZECLIPBOARD),
+    DEFINE_MESSAGE(WM_ASKCBFORMATNAME),
+    DEFINE_MESSAGE(WM_CHANGECBCHAIN),
+    DEFINE_MESSAGE(WM_HSCROLLCLIPBOARD),
+    DEFINE_MESSAGE(WM_QUERYNEWPALETTE),
+    DEFINE_MESSAGE(WM_PALETTEISCHANGING),
+    DEFINE_MESSAGE(WM_PALETTECHANGED),
+    DEFINE_MESSAGE(WM_HOTKEY),
+
+#   if(WINVER >= 0x0400)
+        DEFINE_MESSAGE(WM_PRINT),
+        DEFINE_MESSAGE(WM_PRINTCLIENT),
+#   endif /* WINVER >= 0x0400 */
+
+#   if(_WIN32_WINNT >= 0x0500)
+        DEFINE_MESSAGE(WM_APPCOMMAND),
+#   endif /* _WIN32_WINNT >= 0x0500 */
+
+#   if(_WIN32_WINNT >= 0x0501)
+        DEFINE_MESSAGE(WM_THEMECHANGED),
+#   endif /* _WIN32_WINNT >= 0x0501 */
+
+
+#   if(_WIN32_WINNT >= 0x0501)
+        DEFINE_MESSAGE(WM_CLIPBOARDUPDATE),
+#   endif /* _WIN32_WINNT >= 0x0501 */
+
+#   if(_WIN32_WINNT >= 0x0600)
+        DEFINE_MESSAGE(WM_DWMCOMPOSITIONCHANGED),
+        DEFINE_MESSAGE(WM_DWMNCRENDERINGCHANGED),
+        DEFINE_MESSAGE(WM_DWMCOLORIZATIONCOLORCHANGED),
+        DEFINE_MESSAGE(WM_DWMWINDOWMAXIMIZEDCHANGE),
+#   endif /* _WIN32_WINNT >= 0x0600 */
+
+#   if(_WIN32_WINNT >= 0x0601)
+        DEFINE_MESSAGE(WM_DWMSENDICONICTHUMBNAIL),
+        DEFINE_MESSAGE(WM_DWMSENDICONICLIVEPREVIEWBITMAP),
+#   endif /* _WIN32_WINNT >= 0x0601 */
+
+
+#   if(WINVER >= 0x0600)
+        DEFINE_MESSAGE(WM_GETTITLEBARINFOEX),
+#   endif /* WINVER >= 0x0600 */
+    { 0, NULL, }    /* end of message list */
+};
+#undef DEFINE_MESSAGE
+
+char* WMMsg2Str(DWORD dwMessage)
+{
+    struct WM_MESSAGE_MAP* pMapMsg = allMessages;
+    for (/*null*/; pMapMsg->lpszMsg != NULL; pMapMsg++)
+    {
+        if (pMapMsg->nMsg == dwMessage )
+        {
+            return (char *)pMapMsg->lpszMsg;
+        }
+    }
+    return "";
+}
+#endif /* _DEBUG */
+
 
 /* Get system time, taking special precautions against 32bit timer wrap.
    We use timeGetTime and not GetTickCount because of its better stability,
@@ -296,7 +679,7 @@ static LRESULT fghWindowProcKeyPress(SFG_Window *window, UINT uMsg, GLboolean ke
                 wParam=code[ 0 ];
 
             INVOKE_WCB( *window, KeyboardUp,
-                   ( (char)wParam,
+                   ( (char)(wParam & 0xFF), /* and with 0xFF to indicate to runtime that we want to strip out higher bits - otherwise we get a runtime error when "Smaller Type Checks" is enabled */
                         window->State.MouseX, window->State.MouseY )
             );
         }
@@ -395,8 +778,8 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
     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 ); */
+    /* printf ( "Window %3d message %s (<%04x>) %12d %12d\n", window?window->ID:0,
+             WMMsg2Str(uMsg), uMsg, wParam, lParam ); */
 
     switch( uMsg )
     {
@@ -589,9 +972,20 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
         fgPlatformCheckMenuDeactivate();
         break;
 
+    case WM_MOUSEACTIVATE:
+        /* Clicks should not activate the menu.
+         * Especially important when clicking on a menu's submenu item which has no effect.
+         */
+        printf("WM_MOUSEACTIVATE\n");
+        if (window->IsMenu)
+            lRet = MA_NOACTIVATEANDEAT;
+        else
+            lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
+        break;
+
 #if 0
     case WM_ACTIVATE:
-        //printf("WM_ACTIVATE: %x (ID: %i) %d %d\n",lParam, window->ID, HIWORD(wParam), LOWORD(wParam));
+        /* printf("WM_ACTIVATE: %x (ID: %i) %d %d\n",lParam, window->ID, HIWORD(wParam), LOWORD(wParam)); */
         if (LOWORD(wParam) != WA_INACTIVE)
         {
 /*            printf("WM_ACTIVATE: fgSetCursor( %p, %d)\n", window,
@@ -629,7 +1023,7 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
                     tme.hwndTrack = window->Window.Handle;
                     TrackMouseEvent(&tme);
 
-                    window->State.pWState.MouseTracking = GL_TRUE;
+                    window->State.pWState.MouseTracking = TRUE;
                 }
             }
         }
@@ -648,7 +1042,7 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
             INVOKE_WCB( *window, Entry, ( GLUT_LEFT ) );
             fgSetWindow(saved_window);
 
-            window->State.pWState.MouseTracking = GL_FALSE;
+            window->State.pWState.MouseTracking = FALSE;
             lRet = 0;   /* As per docs, must return zero */
         }
         break;
@@ -981,6 +1375,12 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
         /* Help screen says this message must be passed to "DefWindowProc" */
         break;
 
+    case WM_DISPLAYCHANGE: /* 0x007E */
+        /* The system display resolution/depth has changed */
+        fgDisplay.ScreenWidth = LOWORD(lParam);
+        fgDisplay.ScreenHeight = HIWORD(lParam);
+        break;
+
     case WM_SYSCOMMAND :  /* 0x0112 */
         {
           /*