-    switch (id)
-    {
-        case WXK_CANCEL:            keySym = XK_Cancel; break;
-        case WXK_BACK:              keySym = XK_BackSpace; break;
-        case WXK_TAB:            keySym = XK_Tab; break;
-        case WXK_CLEAR:        keySym = XK_Clear; break;
-        case WXK_RETURN:        keySym = XK_Return; break;
-        case WXK_SHIFT:        keySym = XK_Shift_L; break;
-        case WXK_CONTROL:        keySym = XK_Control_L; break;
-        case WXK_MENU :        keySym = XK_Menu; break;
-        case WXK_PAUSE:        keySym = XK_Pause; break;
-        case WXK_ESCAPE:        keySym = XK_Escape; break;
-        case WXK_SPACE:        keySym = ' '; break;
-        case WXK_PRIOR:        keySym = XK_Prior; break;
-        case WXK_NEXT :        keySym = XK_Next; break;
-        case WXK_END:        keySym = XK_End; break;
-        case WXK_HOME :        keySym = XK_Home; break;
-        case WXK_LEFT :        keySym = XK_Left; break;
-        case WXK_UP:        keySym = XK_Up; break;
-        case WXK_RIGHT:        keySym = XK_Right; break;
-        case WXK_DOWN :        keySym = XK_Down; break;
-        case WXK_SELECT:        keySym = XK_Select; break;
-        case WXK_PRINT:        keySym = XK_Print; break;
-        case WXK_EXECUTE:        keySym = XK_Execute; break;
-        case WXK_INSERT:        keySym = XK_Insert; break;
-        case WXK_DELETE:        keySym = XK_Delete; break;
-        case WXK_HELP :        keySym = XK_Help; break;
-        case WXK_NUMPAD0:        keySym = XK_KP_0; break;
-        case WXK_NUMPAD1:        keySym = XK_KP_1; break;
-        case WXK_NUMPAD2:        keySym = XK_KP_2; break;
-        case WXK_NUMPAD3:        keySym = XK_KP_3; break;
-        case WXK_NUMPAD4:        keySym = XK_KP_4; break;
-        case WXK_NUMPAD5:        keySym = XK_KP_5; break;
-        case WXK_NUMPAD6:        keySym = XK_KP_6; break;
-        case WXK_NUMPAD7:        keySym = XK_KP_7; break;
-        case WXK_NUMPAD8:        keySym = XK_KP_8; break;
-        case WXK_NUMPAD9:        keySym = XK_KP_9; break;
-        case WXK_MULTIPLY:        keySym = XK_KP_Multiply; break;
-        case WXK_ADD:        keySym = XK_KP_Add; break;
-        case WXK_SUBTRACT:        keySym = XK_KP_Subtract; break;
-        case WXK_DECIMAL:        keySym = XK_KP_Decimal; break;
-        case WXK_DIVIDE:        keySym = XK_KP_Divide; break;
-        case WXK_F1:        keySym = XK_F1; break;
-        case WXK_F2:        keySym = XK_F2; break;
-        case WXK_F3:        keySym = XK_F3; break;
-        case WXK_F4:        keySym = XK_F4; break;
-        case WXK_F5:        keySym = XK_F5; break;
-        case WXK_F6:        keySym = XK_F6; break;
-        case WXK_F7:        keySym = XK_F7; break;
-        case WXK_F8:        keySym = XK_F8; break;
-        case WXK_F9:        keySym = XK_F9; break;
-        case WXK_F10:        keySym = XK_F10; break;
-        case WXK_F11:        keySym = XK_F11; break;
-        case WXK_F12:        keySym = XK_F12; break;
-        case WXK_F13:        keySym = XK_F13; break;
-        case WXK_F14:        keySym = XK_F14; break;
-        case WXK_F15:        keySym = XK_F15; break;
-        case WXK_F16:        keySym = XK_F16; break;
-        case WXK_F17:        keySym = XK_F17; break;
-        case WXK_F18:        keySym = XK_F18; break;
-        case WXK_F19:        keySym = XK_F19; break;
-        case WXK_F20:        keySym = XK_F20; break;
-        case WXK_F21:        keySym = XK_F21; break;
-        case WXK_F22:        keySym = XK_F22; break;
-        case WXK_F23:        keySym = XK_F23; break;
-        case WXK_F24:        keySym = XK_F24; break;
-        case WXK_NUMLOCK:    keySym = XK_Num_Lock; break;
-        case WXK_SCROLL:     keySym = XK_Scroll_Lock; break;
-        default:             keySym = id <= 255 ? (KeySym)id : 0;
-    }