77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/**************************************************************************************************
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*
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* Copyright (c) 2003 Palm Computing, Inc. or its subsidiaries.
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* All rights reserved.
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*
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*************************************************************************************************/
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/**************************************************************************************************
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*
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* File: Common.c
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*
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* Description: Some useful macros and functions
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*
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* Version: 1.0 - Initial Revision (03/04/03)
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*
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*************************************************************************************************/
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#include <PalmOS.h>
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#include "Common.h"
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/**************************************************************************************************
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*
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* FUNCTION: SetFieldTextFromStr
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*
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* DESCRIPTION: Set a field text.
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*
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* PARAMETERS: fieldPtr - Pointer to a field
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* stringPtr - String to copy to the field
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* redraw - If true, forces a redraw
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*
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* RETURNED: Error Code.
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*
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*************************************************************************************************/
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Err SetFieldTextFromStr( FieldType *fieldPtr,
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Char *stringPtr,
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Boolean redraw )
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{
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Err err = errNone;
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MemHandle textHandle = FldGetTextHandle( fieldPtr );
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if (textHandle != (MemHandle)NULL)
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{
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FldSetTextHandle( fieldPtr, NULL );
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err = MemHandleResize( textHandle, ( StrLen( stringPtr ) + 1 ) );
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if (err != errNone)
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{
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FldSetTextHandle( fieldPtr, textHandle );
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goto Done;
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}
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}
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else
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{
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textHandle = MemHandleNew( StrLen( stringPtr ) + 1 );
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if (textHandle == (MemHandle)NULL)
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{
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err = memErrNotEnoughSpace;
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goto Done;
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}
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}
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StrCopy( (Char *)MemHandleLock( textHandle ), stringPtr );
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MemHandleUnlock( textHandle );
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FldSetTextHandle( fieldPtr, textHandle );
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if (redraw == true) {
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FldDrawField( fieldPtr );
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}
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Done:
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return ( err );
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}
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/* EOF *******************************************************************************************/
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