Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_vertical_list_total_rows_set.c	Lines:	45	45	100.0 %
Date:	2024-12-05 08:52:37	Branches:	26	26	100.0 %


/***************************************************************************
 * 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                                                        */
/**                                                                       */
/**   Vertical List (List)                                                */
/**                                                                       */
/**************************************************************************/

#define GX_SOURCE_CODE


/* Include necessary system files.  */

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

/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gx_vertical_list_total_rows_set                    PORTABLE C      */
/*                                                           6.1.10       */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function assigns total number of list rows.                    */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    vertical_list                         Vertical list control block   */
/*    count                                 Number of rows                */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                                Completion status             */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _gx_system_lock                       Obtain GUIX system lock       */
/*    _gx_system_unlock                     Release GUIX system lock      */
/*    _gx_first_client_child_get            Get the first client child    */
/*    [gx_vertical_list_callback]           Vertical list callback        */
/*    _gx_window_scrollbar_find             Find the scrollbar            */
/*    _gx_scrollbar_reset                   Reset the schollbar           */
/*    _gx_system_dirty_mark                 Mark the widget dirty         */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    GUIX Internal 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    */
/*  01-31-2022     Ting Zhu                 Modified comment(s),          */
/*                                            improved logic,             */
/*                                            resulting in version 6.1.10 */
/*                                                                        */
/**************************************************************************/
UINT _gx_vertical_list_total_rows_set(GX_VERTICAL_LIST *list, INT count)
{
INT           page_index;
INT           index;
GX_WIDGET    *test;
GX_SCROLLBAR *pScroll;

    _gx_system_lock();

    /* Update total count of rows. */
    list -> gx_vertical_list_total_rows = count;

    /* Update selected index. */
    if (list -> gx_vertical_list_selected < 0)
    {
        list -> gx_vertical_list_selected = 0;
    }

    if (list -> gx_vertical_list_selected > count - 1)
    {
        list -> gx_vertical_list_selected = count - 1;
    }

    /* Calculate current page index. */
    page_index = list -> gx_vertical_list_top_index;

    test = _gx_widget_first_client_child_get((GX_WIDGET *)list);

    while (test && (test -> gx_widget_size.gx_rectangle_bottom <= list -> gx_widget_size.gx_rectangle_top))
    {
        page_index++;
        test = _gx_widget_next_client_child_get(test);
    }

    /* Calculate new page index */
    if (page_index + list -> gx_vertical_list_visible_rows > count)
    {
        if (count > list -> gx_vertical_list_visible_rows)
        {
            page_index = count - list -> gx_vertical_list_visible_rows;
        }
        else
        {
            page_index = 0;
        }
    }

    /* Add idle children back to vertical list.  */
    if (list -> gx_vertical_list_idle_child_list)
    {
        while (list -> gx_vertical_list_idle_child_list)
        {
            test = list -> gx_vertical_list_idle_child_list;
            list -> gx_vertical_list_idle_child_list = list -> gx_vertical_list_idle_child_list -> gx_widget_next;

            _gx_widget_attach((GX_WIDGET *)list, test);
            list -> gx_vertical_list_child_count++;
        }
    }

    /* Check whether list child count is larger than count. */
    while (list -> gx_vertical_list_child_count > count)
    {
        test = _gx_widget_last_client_child_get((GX_WIDGET *)list);

        if (test)
        {
            _gx_widget_detach(test);

            /* Put detached widget to idle list.  */
            test -> gx_widget_next = list -> gx_vertical_list_idle_child_list;
            list -> gx_vertical_list_idle_child_list = test;
            list -> gx_vertical_list_child_count--;
        }
        else
        {
            return GX_FAILURE;
        }
    }

    list -> gx_vertical_list_top_index = 0;
    index = 0;
    test = _gx_widget_first_client_child_get((GX_WIDGET *)list);

    while (test)
    {
        list -> gx_vertical_list_callback(list, test, index++);

        test = _gx_widget_next_client_child_get(test);
    }

    /* Reposition child widgets.  */
    _gx_vertical_list_children_position(list);

    /* Make new page index visible */
    _gx_vertical_list_page_index_set(list, page_index);

    _gx_window_scrollbar_find((GX_WINDOW *)list, GX_TYPE_VERTICAL_SCROLL, &pScroll);

    if (pScroll)
    {
        _gx_scrollbar_reset(pScroll, GX_NULL);
    }

    _gx_system_unlock();

    /* Refresh screen. */
    if (list -> gx_widget_status & GX_STATUS_VISIBLE)
    {
        _gx_system_dirty_mark((GX_WIDGET *)list);
    }
    return GX_SUCCESS;
}



Generated by: GCOVR (Version 4.1)

Line	Branch	Exec	Source
1			/***************************************************************************
2			* Copyright (c) 2024 Microsoft Corporation
3			*
4			* This program and the accompanying materials are made available under the
5			* terms of the MIT License which is available at
6			* https://opensource.org/licenses/MIT.
7			*
8			* SPDX-License-Identifier: MIT
9			**************************************************************************/
10
11
12			/**************************************************************************/
13			/**************************************************************************/
14			/** */
15			/** GUIX Component */
16			/** */
17			/** Vertical List (List) */
18			/** */
19			/**************************************************************************/
20
21			#define GX_SOURCE_CODE
22
23
24			/* Include necessary system files. */
25
26			#include "gx_api.h"
27			#include "gx_widget.h"
28			#include "gx_window.h"
29			#include "gx_system.h"
30			#include "gx_utility.h"
31			#include "gx_scrollbar.h"
32
33			/**************************************************************************/
34			/* */
35			/* FUNCTION RELEASE */
36			/* */
37			/* _gx_vertical_list_total_rows_set PORTABLE C */
38			/* 6.1.10 */
39			/* AUTHOR */
40			/* */
41			/* Kenneth Maxwell, Microsoft Corporation */
42			/* */
43			/* DESCRIPTION */
44			/* */
45			/* This function assigns total number of list rows. */
46			/* */
47			/* INPUT */
48			/* */
49			/* vertical_list Vertical list control block */
50			/* count Number of rows */
51			/* */
52			/* OUTPUT */
53			/* */
54			/* status Completion status */
55			/* */
56			/* CALLS */
57			/* */
58			/* _gx_system_lock Obtain GUIX system lock */
59			/* _gx_system_unlock Release GUIX system lock */
60			/* _gx_first_client_child_get Get the first client child */
61			/* [gx_vertical_list_callback] Vertical list callback */
62			/* _gx_window_scrollbar_find Find the scrollbar */
63			/* _gx_scrollbar_reset Reset the schollbar */
64			/* _gx_system_dirty_mark Mark the widget dirty */
65			/* */
66			/* CALLED BY */
67			/* */
68			/* GUIX Internal Code */
69			/* */
70			/* RELEASE HISTORY */
71			/* */
72			/* DATE NAME DESCRIPTION */
73			/* */
74			/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
75			/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
76			/* resulting in version 6.1 */
77			/* 01-31-2022 Ting Zhu Modified comment(s), */
78			/* improved logic, */
79			/* resulting in version 6.1.10 */
80			/* */
81			/**************************************************************************/
82		62	UINT _gx_vertical_list_total_rows_set(GX_VERTICAL_LIST *list, INT count)
83			{
84			INT page_index;
85			INT index;
86			GX_WIDGET *test;
87			GX_SCROLLBAR *pScroll;
88
89		62	_gx_system_lock();
90
91			/* Update total count of rows. */
92		62	list -> gx_vertical_list_total_rows = count;
93
94			/* Update selected index. */
95	✓✓	62	if (list -> gx_vertical_list_selected < 0)
96			{
97		5	list -> gx_vertical_list_selected = 0;
98			}
99
100	✓✓	62	if (list -> gx_vertical_list_selected > count - 1)
101			{
102		15	list -> gx_vertical_list_selected = count - 1;
103			}
104
105			/* Calculate current page index. */
106		62	page_index = list -> gx_vertical_list_top_index;
107
108		62	test = _gx_widget_first_client_child_get((GX_WIDGET *)list);
109
110	✓✓✓✓	113	while (test && (test -> gx_widget_size.gx_rectangle_bottom <= list -> gx_widget_size.gx_rectangle_top))
111			{
112		51	page_index++;
113		51	test = _gx_widget_next_client_child_get(test);
114			}
115
116			/* Calculate new page index */
117	✓✓	62	if (page_index + list -> gx_vertical_list_visible_rows > count)
118			{
119	✓✓	37	if (count > list -> gx_vertical_list_visible_rows)
120			{
121		8	page_index = count - list -> gx_vertical_list_visible_rows;
122			}
123			else
124			{
125		29	page_index = 0;
126			}
127			}
128
129			/* Add idle children back to vertical list. */
130	✓✓	62	if (list -> gx_vertical_list_idle_child_list)
131			{
132	✓✓	222	while (list -> gx_vertical_list_idle_child_list)
133			{
134		193	test = list -> gx_vertical_list_idle_child_list;
135		193	list -> gx_vertical_list_idle_child_list = list -> gx_vertical_list_idle_child_list -> gx_widget_next;
136
137		193	_gx_widget_attach((GX_WIDGET *)list, test);
138		193	list -> gx_vertical_list_child_count++;
139			}
140			}
141
142			/* Check whether list child count is larger than count. */
143	✓✓	418	while (list -> gx_vertical_list_child_count > count)
144			{
145		357	test = _gx_widget_last_client_child_get((GX_WIDGET *)list);
146
147	✓✓	357	if (test)
148			{
149		356	_gx_widget_detach(test);
150
151			/* Put detached widget to idle list. */
152		356	test -> gx_widget_next = list -> gx_vertical_list_idle_child_list;
153		356	list -> gx_vertical_list_idle_child_list = test;
154		356	list -> gx_vertical_list_child_count--;
155			}
156			else
157			{
158		1	return GX_FAILURE;
159			}
160			}
161
162		61	list -> gx_vertical_list_top_index = 0;
163		61	index = 0;
164		61	test = _gx_widget_first_client_child_get((GX_WIDGET *)list);
165
166	✓✓	476	while (test)
167			{
168		415	list -> gx_vertical_list_callback(list, test, index++);
169
170		415	test = _gx_widget_next_client_child_get(test);
171			}
172
173			/* Reposition child widgets. */
174		61	_gx_vertical_list_children_position(list);
175
176			/* Make new page index visible */
177		61	_gx_vertical_list_page_index_set(list, page_index);
178
179		61	_gx_window_scrollbar_find((GX_WINDOW *)list, GX_TYPE_VERTICAL_SCROLL, &pScroll);
180
181	✓✓	61	if (pScroll)
182			{
183		31	_gx_scrollbar_reset(pScroll, GX_NULL);
184			}
185
186		61	_gx_system_unlock();
187
188			/* Refresh screen. */
189	✓✓	61	if (list -> gx_widget_status & GX_STATUS_VISIBLE)
190			{
191		59	_gx_system_dirty_mark((GX_WIDGET *)list);
192			}
193		61	return GX_SUCCESS;
194			}
195