menu.c

成功移植到s3c44b0开发板上的ucos-ii和lwip

      _SetCapture(hObj, pObj);
      MENU__ResizeMenu(hObj, pObj);
      break;
    case MENU_ON_CLOSE:
      _CloseSubmenu(hObj, pObj);
      break;
    case MENU_IS_MENU:
      pMsg->Data.v = 1;
      break;
    }
  }
}

/*********************************************************************
*
*       _OnTouch
*/
static char _OnTouch(MENU_Handle hObj, MENU_Obj* pObj, WM_MESSAGE* pMsg) {
  const GUI_PID_STATE* pState = (const GUI_PID_STATE*)pMsg->Data.p;
  if (pState) {  /* Something happened in our area (pressed or released) */
    return _HandlePID(hObj, pObj, pState->x, pState->y, pState->Pressed);
  }
  return _HandlePID(hObj, pObj, -1, -1, -1); /* Moved out */
}

/*********************************************************************
*
*       _OnMouseOver
*/
#if (GUI_SUPPORT_MOUSE)
static char _OnMouseOver(MENU_Handle hObj, MENU_Obj* pObj, WM_MESSAGE* pMsg) {
  const GUI_PID_STATE* pState = (const GUI_PID_STATE *)pMsg->Data.p;
  if (pState) {
    return _HandlePID(hObj, pObj, pState->x, pState->y, -1);
  }
  return 0;
}
#endif

/*********************************************************************
*
*       _SetPaintColors
*/
static void _SetPaintColors(const MENU_Obj* pObj, const MENU_ITEM* pItem, int ItemIndex) {
  char Selected;
  unsigned ColorIndex;
  Selected = (ItemIndex == pObj->Sel) ? 1 : 0;
  if (pObj->IsSubmenuActive && Selected) {
    ColorIndex = MENU_CI_ACTIVE_SUBMENU;
  } else if (pItem->Flags & MENU_IF_SEPARATOR) {
    ColorIndex = MENU_CI_ENABLED;
  } else {
    ColorIndex = (Selected) ? MENU_CI_SELECTED : MENU_CI_ENABLED;
    if (pItem->Flags & MENU_IF_DISABLED) {
      if (pObj->Flags & MENU_CF_HIDE_DISABLED_SEL) {
        ColorIndex = MENU_CI_DISABLED;
      } else {
        ColorIndex += MENU_CI_DISABLED;
      }
    }
  }
  GUI_SetBkColor(pObj->Props.aBkColor[ColorIndex]);
  GUI_SetColor(pObj->Props.aTextColor[ColorIndex]);
}

/*********************************************************************
*
*       _OnPaint
*/
static void _OnPaint(MENU_Handle hObj, MENU_Obj* pObj) {
  GUI_RECT FillRect, TextRect;
  MENU_ITEM* pItem;
  unsigned TextWidth, NumItems, i;
  U8 BorderLeft   = pObj->Props.aBorder[MENU_BI_LEFT];
  U8 BorderTop    = pObj->Props.aBorder[MENU_BI_TOP];
  int FontHeight  = GUI_GetYDistOfFont(pObj->Props.pFont);
  int EffectSize  = _GetEffectSize(hObj, pObj);
  NumItems = MENU__GetNumItems(pObj);
  WM__GetClientRectWin(&pObj->Widget.Win, &FillRect);
  GUI__ReduceRect(&FillRect, &FillRect, EffectSize);
  GUI_SetFont(pObj->Props.pFont);
  if (pObj->Flags & MENU_SF_VERTICAL) {
    int ItemHeight, xSize;
    xSize = _CalcMenuSizeX(hObj, pObj);
    FillRect.x1 = xSize - EffectSize - 1;
    TextRect.x0 = FillRect.x0 + BorderLeft;
    for (i = 0; i < NumItems; i++) {
      pItem = (MENU_ITEM*)GUI_ARRAY_GetpItem(&pObj->ItemArray, i);
      ItemHeight = _GetItemHeight(hObj, pObj, i);
      _SetPaintColors(pObj, pItem, i);
      FillRect.y1 = FillRect.y0 + ItemHeight - 1;
      if (pItem->Flags & MENU_IF_SEPARATOR) {
        GUI_ClearRectEx(&FillRect);
        GUI_SetColor(0x7C7C7C);
        GUI_DrawHLine(FillRect.y0 + BorderTop + 1, FillRect.x0 + 2, FillRect.x1 - 2);
      } else {
        TextWidth = pItem->TextWidth;
        TextRect.x1 = TextRect.x0 + TextWidth - 1;
        TextRect.y0 = FillRect.y0 + BorderTop;
        TextRect.y1 = TextRect.y0 + FontHeight - 1;
        WIDGET__FillStringInRect(pItem->acText, &FillRect, &TextRect, &TextRect);
      }
      FillRect.y0 += ItemHeight;
    }
  } else {
    int ItemWidth, ySize;
    ySize = _CalcMenuSizeY(hObj, pObj);
    FillRect.y1 = ySize - EffectSize - 1;
    TextRect.y0 = FillRect.y0 + BorderTop;
    TextRect.y1 = TextRect.y0 + FontHeight - 1;
    for (i = 0; i < NumItems; i++) {
      pItem = (MENU_ITEM*)GUI_ARRAY_GetpItem(&pObj->ItemArray, i);
      ItemWidth = _GetItemWidth(hObj, pObj, i);
      _SetPaintColors(pObj, pItem, i);
      FillRect.x1 = FillRect.x0 + ItemWidth - 1;
      if (pItem->Flags & MENU_IF_SEPARATOR) {
        GUI_ClearRectEx(&FillRect);
        GUI_SetColor(0x7C7C7C);
        GUI_DrawVLine(FillRect.x0 + BorderLeft + 1, FillRect.y0 + 2, FillRect.y1 - 2);
      } else {
        TextWidth = pItem->TextWidth;
        TextRect.x0 = FillRect.x0 + BorderLeft;
        TextRect.x1 = TextRect.x0 + TextWidth - 1;
        WIDGET__FillStringInRect(pItem->acText, &FillRect, &TextRect, &TextRect);
      }
      FillRect.x0 += ItemWidth;
    }
  }
  if (pObj->Width || pObj->Height) {
    GUI_RECT r;
    WM__GetClientRectWin(&pObj->Widget.Win, &r);
    GUI__ReduceRect(&r, &r, EffectSize);
    GUI_SetBkColor(pObj->Props.aBkColor[MENU_CI_ENABLED]);
    GUI_ClearRect(FillRect.x1 + 1, EffectSize, r.x1, FillRect.y1);
    GUI_ClearRect(EffectSize, FillRect.y1 + 1, r.x1, r.y1);
  }
  /* Draw 3D effect (if configured) */
  if (_HasEffect(hObj, pObj)) {
    pObj->Widget.pEffect->pfDrawUp();
  }
}

/*********************************************************************
*
*       _MENU_Callback
*/
static void _MENU_Callback(WM_MESSAGE* pMsg) {
  MENU_Handle hObj;
  MENU_Obj* pObj;
  hObj = pMsg->hWin;
  if (pMsg->MsgId != WM_PID_STATE_CHANGED) {
    /* Let widget handle the standard messages */
    if (WIDGET_HandleActive(hObj, pMsg) == 0) {
      return;
    }
  }
  pObj = (MENU_Obj*) GUI_ALLOC_h2p(hObj);
  switch (pMsg->MsgId) {
  case WM_MENU:
    _OnMenu(hObj, pObj, pMsg);
    return;     /* Message handled, do not call WM_DefaultProc() here. */
  case WM_TOUCH:
    if (_OnTouch(hObj, pObj, pMsg)) {
      _ForwardPIDMsgToOwner(hObj, pObj, pMsg);
    }
    break;
#if (GUI_SUPPORT_MOUSE)
  case WM_MOUSEOVER:
    if (_OnMouseOver(hObj, pObj, pMsg)) {
      _ForwardPIDMsgToOwner(hObj, pObj, pMsg);
    }
    break;
#endif
  case WM_PAINT:
    _OnPaint(hObj, pObj);
    break;
  case WM_DELETE:
    GUI_ARRAY_Delete(&pObj->ItemArray);
    break;      /* No return here ... WM_DefaultProc needs to be called */
  }
  WM_DefaultProc(pMsg);
}

/*********************************************************************
*
*       Public code, Create
*
**********************************************************************
*/
/*********************************************************************
*
*       MENU_CreateEx
*/
MENU_Handle MENU_CreateEx(int x0, int y0, int xSize, int ySize, WM_HWIN hParent, int WinFlags, int ExFlags, int Id) {
  MENU_Handle hObj;
  /* Create the window */
  hObj = WM_CreateWindowAsChild(x0, y0, xSize, ySize, hParent, WM_CF_SHOW | WM_CF_STAYONTOP | WinFlags, &_MENU_Callback,
                                sizeof(MENU_Obj) - sizeof(WM_Obj));
  if (hObj) {
    MENU_Obj* pObj;
    WM_LOCK();
    pObj = (MENU_Obj*)GUI_ALLOC_h2p(hObj);
     /* Init sub-classes */
    GUI_ARRAY_CREATE(&pObj->ItemArray);
    /* init widget specific variables */
    WIDGET__Init(&pObj->Widget, Id, WIDGET_STATE_FOCUSSABLE);
    /* init member variables */
    if (ExFlags & MENU_SF_OPEN_ON_POINTEROVER) {
      ExFlags |= MENU_SF_ACTIVE;
    } else {
      ExFlags &= ~(MENU_SF_ACTIVE);
    }
    pObj->Props           = MENU__DefaultProps;
    pObj->Flags           = ExFlags;
    pObj->Width           = ((xSize > 0) ? xSize : 0);
    pObj->Height          = ((ySize > 0) ? ySize : 0);
    pObj->Sel             = -1;
    pObj->hOwner          = 0;
    pObj->IsSubmenuActive = 0;
    WIDGET_SetEffect(hObj, MENU__pDefaultEffect);
    INIT_ID(pObj);
    WM_UNLOCK();
  } else {
    GUI_DEBUG_ERROROUT_IF(hObj==0, "MENU_CreateEx failed")
  }
  return hObj;
}

/*********************************************************************
*
*       Public code, modul internal functions
*
**********************************************************************
*/
/*********************************************************************
*
*       MENU__GetNumItems
*/
unsigned MENU__GetNumItems(MENU_Obj* pObj) {
  return GUI_ARRAY_GetNumItems(&pObj->ItemArray);
}

/*********************************************************************
*
*       MENU__InvalidateItem
*/
void MENU__InvalidateItem(MENU_Handle hObj, const MENU_Obj* pObj, unsigned Index) {
  GUI_USE_PARA(pObj);
  GUI_USE_PARA(Index);
  WM_InvalidateWindow(hObj);  /* Can be optimized, no need to invalidate all items */
}

/*********************************************************************
*
*       MENU__RecalcTextWidthOfItems
*/
void MENU__RecalcTextWidthOfItems(MENU_Obj* pObj) {
  const GUI_FONT GUI_UNI_PTR* pOldFont;
  MENU_ITEM* pItem;
  unsigned i, NumItems;
  NumItems = MENU__GetNumItems(pObj);
  pOldFont  = GUI_SetFont(pObj->Props.pFont);
  for (i = 0; i < NumItems; i++) {
    pItem = (MENU_ITEM*)GUI_ARRAY_GetpItem(&pObj->ItemArray, i);
    pItem->TextWidth = GUI_GetStringDistX(pItem->acText);
  }
  GUI_SetFont(pOldFont);
}

/*********************************************************************
*
*       MENU__ResizeMenu
*/
void MENU__ResizeMenu(MENU_Handle hObj, MENU_Obj* pObj) {
  int xSize, ySize;
  xSize = _CalcWindowSizeX(hObj, pObj);
  ySize = _CalcWindowSizeY(hObj, pObj);
  WM_SetSize(hObj, xSize, ySize);
  WM_InvalidateWindow(hObj);
}

/*********************************************************************
*
*       MENU__SetItem
*/
char MENU__SetItem(MENU_Handle hObj, MENU_Obj* pObj, unsigned Index, const MENU_ITEM_DATA* pItemData) {
  MENU_ITEM Item = {0};
  const char* pText;
  pText = pItemData->pText;
  if (!pText) {
    pText = "";
  }
  Item.Id        = pItemData->Id;
  Item.Flags     = pItemData->Flags;
  Item.hSubmenu  = pItemData->hSubmenu;
  Item.TextWidth = _CalcTextWidth(pObj, pText);
  if (Item.Flags & MENU_IF_SEPARATOR) {
    Item.hSubmenu = 0;   /* Ensures that no separator is a submenu */
  }
  if (GUI_ARRAY_SetItem(&pObj->ItemArray, Index, &Item, sizeof(MENU_ITEM) + strlen(pText)) != 0) {
    MENU_ITEM* pItem = (MENU_ITEM*)GUI_ARRAY_GetpItem(&pObj->ItemArray, Index);
    strcpy(pItem->acText, pText);
    MENU_SetOwner(Item.hSubmenu, hObj);
    return 1;
  }
  return 0;
}

/*********************************************************************
*
*       MENU__SetItemFlags
*/
void MENU__SetItemFlags(MENU_Obj* pObj, unsigned Index, U16 Mask, U16 Flags) {
  MENU_ITEM* pItem = (MENU_ITEM*)GUI_ARRAY_GetpItem(&pObj->ItemArray, Index);
  pItem->Flags &= ~Mask;
  pItem->Flags |= Flags;
}

/*********************************************************************
*
*       MENU__SendMenuMessage
*/
int MENU__SendMenuMessage(MENU_Handle hObj, WM_HWIN hDestWin, U16 MsgType, U16 ItemId) {
  MENU_MSG_DATA MsgData;
  WM_MESSAGE    Msg = {0};
  MsgData.MsgType   = MsgType;
  MsgData.ItemId    = ItemId;
  Msg.MsgId         = WM_MENU;
  Msg.Data.p        = &MsgData;
  Msg.hWinSrc       = hObj;
  if (!hDestWin) {
    hDestWin = WM_GetParent(hObj);
  }
  if (hDestWin) {
    WM__SendMessage(hDestWin, &Msg);
    return Msg.Data.v;
  }
  return 0;
}

/*********************************************************************
*
*       Public code, member functions
*
**********************************************************************
*/
/*********************************************************************
*
*       MENU_AddItem
*/
void MENU_AddItem(MENU_Handle hObj, const MENU_ITEM_DATA* pItemData) {
  if (hObj && pItemData) {
    MENU_Obj* pObj;
    WM_LOCK();
    pObj = MENU_H2P(hObj);
    if (pObj) {
      if (GUI_ARRAY_AddItem(&pObj->ItemArray, NULL, 0) == 0) {
        unsigned Index;
        Index = MENU__GetNumItems(pObj) - 1;
        if (MENU__SetItem(hObj, pObj, Index, pItemData) == 0) {
          GUI_ARRAY_DeleteItem(&pObj->ItemArray, Index);
        } else {
          MENU__ResizeMenu(hObj, pObj);
        }
      }
    }
    WM_UNLOCK();
  }
}

/*********************************************************************
*
*       MENU_SetOwner
*/
void MENU_SetOwner(MENU_Handle hObj, WM_HWIN hOwner) {
  if (hObj) {
    MENU_Obj* pObj;
    WM_LOCK();
    pObj = MENU_H2P(hObj);
    if (pObj) {
      pObj->hOwner = hOwner;
    }
    WM_UNLOCK();
  }
}

#else  /* avoid empty object files */
  void Menu_C(void);
  void Menu_C(void) {}
#endif

/*************************** End of file ****************************/