/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation 
 * 
 * This program and the accompanying materials are made available under the
 * terms of the MIT License which is available at
 * https://opensource.org/licenses/MIT.
 * 
 * SPDX-License-Identifier: MIT
 **************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** GUIX Component                                                        */
/**                                                                       */
/**   Window Management (Window)                                          */
/**                                                                       */
/**************************************************************************/

#define GX_SOURCE_CODE


/* Include necessary system files.  */

#include "gx_api.h"
#include "gx_system.h"
#include "gx_window.h"
#include "gx_widget.h"

/* Bring in externs for caller checking code.  */
GX_CALLER_CHECKING_EXTERNS
/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gxe_window_root_delete                             PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function checks for errors in window root delete call.         */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    root_window                           Root window control block     */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                                Completion status             */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _gx_window_root_destory               Actual window root destory    */
/*                                            function                    */
/*                                                                        */
/*  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_window_root_delete(GX_WINDOW_ROOT *root_window)
{
UINT status;

    /* Check for appropriate caller.  */
    GX_INIT_AND_THREADS_CALLER_CHECKING

    /* Check for invalid input pointers.  */
    if (!root_window)
    {
        return(GX_PTR_ERROR);
    }

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

    if (root_window -> gx_widget_style & (GX_STYLE_TEXT_COPY | GX_STATUS_DYNAMICALLY_ALLOCATED))
    {
        if (_gx_system_memory_free == GX_NULL)
        {
            return(GX_SYSTEM_MEMORY_ERROR);
        }
    }

    /* Call actual window root destory function.  */
    status = _gx_window_root_delete(root_window);

    return(status);
}