palm-os-sdk/PalmOne/Samples/MiniImage/Src/Common.c

79 lines
1.4 KiB
C

/***********************************************************************
*
* Copyright (c) 2006 Palm, Inc. or its subsidiaries.
* All rights reserved.
*
***********************************************************************/
/** @ingroup MiniImage
*
**/
/** @file Common.c
* This file contains common functions MiniImage
**/
/** @name
*
**/
/*@{*/
/***********************************************************************
*
* File:
* Common.c
*
* Description:
* Useful functions
*
*
***********************************************************************/
#include <PalmOS.h>
#include "Common.h"
/***********************************************************************
*
* FUNCTION: SetFieldTextFromStr
*
* DESCRIPTION:
*
* PARAMETERS:
*
* RETURNED: N/A
*
***********************************************************************/
Err SetFieldTextFromStr(FieldPtr field, Char *s, Boolean redraw)
{
MemHandle h;
h = FldGetTextHandle(field);
if(h)
{
Err err;
FldSetTextHandle(field, NULL);
err = MemHandleResize(h, StrLen(s)+1);
if(err!=errNone)
{
FldSetTextHandle(field, h);
return err;
}
} else {
h = MemHandleNew(StrLen(s)+1);
if(!h)
return memErrNotEnoughSpace;
}
StrCopy((Char *)MemHandleLock(h), s);
MemHandleUnlock(h);
FldSetTextHandle(field, h);
if(redraw)
FldDrawField(field);
return errNone;
}
/*@}*/