text: /*********************************************************************
  *                 SEGGER Software GmbH                               *
  *        Solutions for real time microcontroller applications        *
  **********************************************************************
  *                                                                    *
  *        (c) 1996 - 2018  SEGGER Microcontroller GmbH                *
  *                                                                    *
  *        Internet: www.segger.com    Support:  support@segger.com    *
  *                                                                    *
  **********************************************************************
  
  ** emWin V5.48 - Graphical user interface for embedded applications **
  All  Intellectual Property rights in the Software belongs to  SEGGER.
  emWin is protected by  international copyright laws.  Knowledge of the
  source code may not be used to write a similar product. This file may
  only be used in accordance with the following terms:
  
  The  software has  been licensed by SEGGER Software GmbH to Nuvoton Technology Corporationat the address: No. 4, Creation Rd. III, Hsinchu Science Park, Taiwan
  for the purposes  of  creating  libraries  for its 
  Arm Cortex-M and  Arm9 32-bit microcontrollers, commercialized and distributed by Nuvoton Technology Corporation
  under  the terms and conditions  of  an  End  User  
  License  Agreement  supplied  with  the libraries.
  Full source code is available at: www.segger.com
  
  We appreciate your understanding and fairness.
  ----------------------------------------------------------------------
  Licensing information
  Licensor:                 SEGGER Software GmbH
  Licensed to:              Nuvoton Technology Corporation, No. 4, Creation Rd. III, Hsinchu Science Park, 30077 Hsinchu City, Taiwan
  Licensed SEGGER software: emWin
  License number:           GUI-00735
  License model:            emWin License Agreement, signed February 27, 2018
  Licensed platform:        Cortex-M and ARM9 32-bit series microcontroller designed and manufactured by or for Nuvoton Technology Corporation
  ----------------------------------------------------------------------
  Support and Update Agreement (SUA)
  SUA period:               2018-03-26 - 2019-03-27
  Contact to extend SUA:    sales@segger.com
  ----------------------------------------------------------------------
  File        : LISTBOX_Private.h
  Purpose     : Private LISTBOX include
  --------------------END-OF-HEADER-------------------------------------
  */
  
  #ifndef LISTBOX_PRIVATE_H
  #define LISTBOX_PRIVATE_H
  
  #include "LISTBOX.h"
  #include "WM.h"
  #include "GUI_ARRAY.h"
  #include "WIDGET.h"
  
  #if GUI_WINSUPPORT
  
  /*********************************************************************
  *
  *       Defines
  *
  **********************************************************************
  */
  #define LISTBOX_ITEM_SELECTED (1 << 0)
  #define LISTBOX_ITEM_DISABLED (1 << 1)
  
  /*********************************************************************
  *
  *       Object definition
  *
  **********************************************************************
  */
  
  typedef struct {
    U16  xSize, ySize;
    I32  ItemPosY;
    U8   Status;
    char acText[1];
  } LISTBOX_ITEM;
  
  typedef struct {
    const GUI_FONT * pFont;
    U16              ScrollStepH;
    GUI_COLOR aBackColor[4];
    GUI_COLOR aTextColor[4];
    GUI_COLOR aScrollbarColor[3];
    I16 Align;
  } LISTBOX_PROPS;
  
  typedef struct {
    WIDGET Widget;
    GUI_ARRAY ItemArray;
    WIDGET_DRAW_ITEM_FUNC* pfDrawItem;
    WM_SCROLL_STATE ScrollStateV;
    WM_SCROLL_STATE ScrollStateH;
    LISTBOX_PROPS Props;
    WM_HWIN hOwner;
    I16 Sel;                        /* current selection */
    U8 Flags;
    U8  ScrollbarWidth;
    U16 ItemSpacing;
    U16 ContentSizeX;
    U16 FixedScrollPos;
  } LISTBOX_Obj;
  
  /*********************************************************************
  *
  *       Macros for internal use
  *
  **********************************************************************
  */
  #if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALL
    #define LISTBOX_INIT_ID(p) p->Widget.DebugId = LISTBOX_ID
  #else
    #define LISTBOX_INIT_ID(p)
  #endif
  
  #if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALL
    LISTBOX_Obj * LISTBOX_LockH(LISTBOX_Handle h);
    #define LISTBOX_LOCK_H(h)   LISTBOX_LockH(h)
  #else
    #define LISTBOX_LOCK_H(h)   (LISTBOX_Obj *)GUI_LOCK_H(h)
  #endif
  
  /*********************************************************************
  *
  *       Private (module internal) data
  *
  **********************************************************************
  */
  
  extern LISTBOX_PROPS LISTBOX_DefaultProps;
  
  /*********************************************************************
  *
  *       Private (module internal) functions
  *
  **********************************************************************
  */
  unsigned     LISTBOX__GetNumItems           (const LISTBOX_Obj * pObj);
  const char * LISTBOX__GetpStringLocked      (LISTBOX_Handle hObj, int Index, LISTBOX_ITEM ** ppItem);
  void         LISTBOX__InvalidateInsideArea  (LISTBOX_Handle hObj);
  void         LISTBOX__InvalidateItem        (LISTBOX_Handle hObj, int Sel);
  void         LISTBOX__InvalidateItemAndBelow(LISTBOX_Handle hObj, int Sel);
  void         LISTBOX__InvalidateItemSize    (const LISTBOX_Obj * pObj, unsigned Index);
  void         LISTBOX__SetScrollbarColor     (LISTBOX_Handle hObj, const LISTBOX_Obj * pObj);
  void         LISTBOX__SetScrollbarWidth     (LISTBOX_Handle hObj, const LISTBOX_Obj * pObj);
  void         LISTBOX__AddSize               (LISTBOX_Obj * pObj, int Index);
  
  #endif /* GUI_WINSUPPORT */
  
  #else                            /* Avoid problems with empty object modules */
    void LISTBOX_C(void) {}
  #endif
  
  /*************************** End of file ****************************/
  