GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: gx_horizontal_list_right_wrap.c Lines: 28 28 100.0 %
Date: 2026-03-06 19:21:09 Branches: 15 16 93.8 %

Line Branch Exec Source
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/***************************************************************************
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 * Copyright (c) 2024 Microsoft Corporation
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 * Copyright (c) 2026-present Eclipse ThreadX contributors
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 *
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 * This program and the accompanying materials are made available under the
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 * terms of the MIT License which is available at
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 * https://opensource.org/licenses/MIT.
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 *
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 * SPDX-License-Identifier: MIT
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 **************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/**                                                                       */
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/** GUIX Component                                                        */
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/**                                                                       */
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/**   Horizontal List (List)                                              */
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/**                                                                       */
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/**************************************************************************/
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#define GX_SOURCE_CODE
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/* Include necessary system files.  */
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#include "gx_api.h"
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#include "gx_widget.h"
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#include "gx_window.h"
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#include "gx_system.h"
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#include "gx_utility.h"
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/**************************************************************************/
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/*                                                                        */
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/*  FUNCTION                                               RELEASE        */
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/*                                                                        */
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/*    _gx_horizontal_list_right_wrap                      PORTABLE C      */
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/*                                                           6.1          */
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/*  AUTHOR                                                                */
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/*                                                                        */
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/*    Kenneth Maxwell, Microsoft Corporation                              */
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/*                                                                        */
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/*  DESCRIPTION                                                           */
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/*                                                                        */
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/*    This function scrolls down the horizontal list.                     */
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/*                                                                        */
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/*  INPUT                                                                 */
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/*                                                                        */
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/*    list                                  horizontal list widget control*/
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/*                                            block                       */
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/*                                                                        */
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/*  OUTPUT                                                                */
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/*                                                                        */
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/*    None                                                                */
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/*                                                                        */
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/*  CALLS                                                                 */
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/*                                                                        */
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/*    _gx_last_client_child_get             Get the last client child     */
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/*    _gx_first_client_child_get            Get the first client child    */
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/*    _gx_widget_back_attach                Attach a widget to the back   */
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/*    _gx_widget_shift                      Relocate a widget             */
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/*    [gx_horizontal_list_callback]         Horizontal list callback      */
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/*                                                                        */
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/*  CALLED BY                                                             */
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/*                                                                        */
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/*    _gx_horizontal_list_scroll                                          */
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/*                                                                        */
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/**************************************************************************/
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VOID _gx_horizontal_list_right_wrap(GX_HORIZONTAL_LIST *list)
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{
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GX_WIDGET   *test;
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GX_WIDGET   *check;
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GX_BOOL      moving = GX_TRUE;
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GX_RECTANGLE newpos;
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    while (moving)
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    {
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        moving = GX_FALSE;
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        if ((list -> gx_horizontal_list_top_index > 0) ||
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            (list -> gx_widget_style & GX_STYLE_WRAP))
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        {
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            /* scrolling down, see if my bottom widget can be moved to the top: */
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            test = _gx_widget_last_client_child_get((GX_WIDGET *)list);
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            if (test)
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            {
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                if (test -> gx_widget_size.gx_rectangle_left > list -> gx_widget_size.gx_rectangle_right)
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                {
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                    /* right widget is to the right of my client area, move it to the top: */
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                    moving = GX_TRUE;
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                    list -> gx_horizontal_list_top_index--;
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                    /* Wrap index. */
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                    if (list -> gx_horizontal_list_top_index < 0)
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                    {
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                        list -> gx_horizontal_list_top_index = list -> gx_horizontal_list_total_columns - 1;
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                    }
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                    check = _gx_widget_first_client_child_get((GX_WIDGET *)list);
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                    if (check)
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                    {
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                        _gx_widget_detach(test);
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                        newpos = test -> gx_widget_size;
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                        _gx_utility_rectangle_shift(&newpos,
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                                                   (GX_VALUE)(-(newpos.gx_rectangle_right -
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                                                   check -> gx_widget_size.gx_rectangle_left + 1)), 0);
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                        _gx_widget_resize(test, &newpos);
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                        list -> gx_horizontal_list_callback(list, test, list -> gx_horizontal_list_top_index);
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                        if (list -> gx_horizontal_list_selected == list -> gx_horizontal_list_top_index)
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                        {
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                            test -> gx_widget_style |=  GX_STYLE_DRAW_SELECTED;
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                        }
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                        else
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                        {
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                            test -> gx_widget_style &= ~GX_STYLE_DRAW_SELECTED;
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                        }
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                        _gx_widget_back_attach((GX_WIDGET *)list, test);
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                    }
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                    else
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                    {
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                        break;
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                    }
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                }
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            }
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        }
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    }
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}
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