/**************************************************************************/
/*                                                                        */
/*       Copyright (c) Microsoft Corporation. All rights reserved.        */
/*                                                                        */
/*       This software is licensed under the Microsoft Software License   */
/*       Terms for Microsoft Azure RTOS. Full text of the license can be  */
/*       found in the LICENSE file at https://aka.ms/AzureRTOS_EULA       */
/*       and in the root directory of this software.                      */
/*                                                                        */
/**************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** GUIX Component                                                        */
/**                                                                       */
/**   Multi Line Text Input Managment (Multi Line Text Input)             */
/**                                                                       */
/**************************************************************************/

#define GX_SOURCE_CODE


/* Include necessary system files.  */

#include "gx_api.h"
#include "gx_system.h"
#include "gx_multi_line_text_input.h"

GX_CALLER_CHECKING_EXTERNS
/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gxe_multi_line_text_input_text_select              PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function checks for errors in the multi line text input text   */
/*    select function call.                                               */
/*                                                                        */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    input                                 Multi-line text input widget  */
/*                                            control block               */
/*    start_mark                            The index of the first        */
/*                                            highlight character.        */
/*    end_mark                              The index of the last         */
/*                                            highlight character         */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                                Completion status             */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _gx_multi_line_text_input_text_select Actual multi line text input  */
/*                                            text select fucntion        */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*                                                                        */
/*  RELEASE HISTORY                                                       */
/*                                                                        */
/*    DATE              NAME                      DESCRIPTION             */
/*                                                                        */
/*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
/*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
/*                                            resulting in version 6.1    */
/*                                                                        */
/**************************************************************************/
UINT _gxe_multi_line_text_input_text_select(GX_MULTI_LINE_TEXT_INPUT *input, UINT start_index, UINT end_index)
{
UINT status;

    /* Check for invalid caller.  */
    GX_INIT_AND_THREADS_CALLER_CHECKING

    if (!input)
    {
        return(GX_PTR_ERROR);
    }

    /* Check for invalid widget. */
    if (input -> gx_widget_type == 0)
    {
        return(GX_INVALID_WIDGET);
    }

    /* Check for invalid index value. */
    if ((start_index >= input -> gx_multi_line_text_view_text.gx_string_length) ||
        (end_index >= input -> gx_multi_line_text_view_text.gx_string_length))
    {
        return(GX_INVALID_VALUE);
    }

    status = _gx_multi_line_text_input_text_select(input, start_index, end_index);

    return(status);
}