radio_gettext.c

ucgui的3.98版本的源代码

/*
*********************************************************************************************************
*                                             uC/GUI V3.98
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              礐/GUI 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 a license and should not be redistributed
*              in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File        : RADIO_GetText.c
Purpose     : Implementation of RADIO_GetText
---------------------------END-OF-HEADER------------------------------
*/

#include <string.h>
#include "RADIO_Private.h"

#if GUI_WINSUPPORT

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       RADIO_GetText
*/
int RADIO_GetText(RADIO_Handle hObj, unsigned Index, char * pBuffer, int MaxLen) {
  int Len = 0;
  if (hObj) {
    const char * pText;
    RADIO_Obj  * pObj;
    WM_LOCK();
    pObj = RADIO_H2P(hObj);
    if (Index < (unsigned)pObj->NumItems) {
      pText = (const char *)GUI_ARRAY_GetpItem(&pObj->TextArray, Index);
      if (pText) {
        Len = strlen(pText);
        if (Len > (MaxLen - 1)) {
          Len = MaxLen - 1;
        }
        memcpy(pBuffer, pText, Len);
        *(pBuffer + Len) = 0;
      }
    }
    WM_UNLOCK();
  }
  return Len;
}

#else  /* avoid empty object files */

void RADIO_GetText_c(void);
void RADIO_GetText_c(void) {}

#endif  /* #if GUI_WINSUPPORT */

/************************* end of file ******************************/