Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_horizontal_list_total_columns_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                                                        */
/**                                                                       */
/**   Window Management (Window)                                          */
/**                                                                       */
/**************************************************************************/

#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_horizontal_list_total_columns_set               PORTABLE C      */
/*                                                           6.1.10       */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function assigns the number of list columns                    */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    vertical_list                         Vertical list widget control  */
/*                                          block                         */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  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_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_horizontal_list_total_columns_set(GX_HORIZONTAL_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_horizontal_list_total_columns = count;

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

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

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

    test = _gx_widget_first_client_child_get((GX_WIDGET *)list);

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

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

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

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

    /* Check whether list child count is larger than count. */
    while (list -> gx_horizontal_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_horizontal_list_idle_child_list;
            list -> gx_horizontal_list_idle_child_list = test;
            list -> gx_horizontal_list_child_count--;
        }
        else
        {
            return GX_FAILURE;
        }
    }

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

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

        test = _gx_widget_next_client_child_get(test);
    }

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


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

    _gx_window_scrollbar_find((GX_WINDOW *)list, GX_TYPE_HORIZONTAL_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			/** Window Management (Window) */
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_horizontal_list_total_columns_set PORTABLE C */
38			/* 6.1.10 */
39			/* AUTHOR */
40			/* */
41			/* Kenneth Maxwell, Microsoft Corporation */
42			/* */
43			/* DESCRIPTION */
44			/* */
45			/* This function assigns the number of list columns */
46			/* */
47			/* INPUT */
48			/* */
49			/* vertical_list Vertical list widget control */
50			/* block */
51			/* */
52			/* OUTPUT */
53			/* */
54			/* None */
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_window_scrollbar_find Find the scrollbar */
62			/* _gx_scrollbar_reset Reset the schollbar */
63			/* _gx_system_dirty_mark Mark the widget dirty */
64			/* */
65			/* CALLED BY */
66			/* */
67			/* GUIX Internal Code */
68			/* */
69			/* RELEASE HISTORY */
70			/* */
71			/* DATE NAME DESCRIPTION */
72			/* */
73			/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
74			/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
75			/* resulting in version 6.1 */
76			/* 01-31-2022 Ting Zhu Modified comment(s), */
77			/* improved logic, */
78			/* resulting in version 6.1.10 */
79			/* */
80			/**************************************************************************/
81		62	UINT _gx_horizontal_list_total_columns_set(GX_HORIZONTAL_LIST *list, INT count)
82			{
83			INT page_index;
84			INT index;
85			GX_WIDGET *test;
86			GX_SCROLLBAR *pScroll;
87
88		62	_gx_system_lock();
89
90			/* Update total count of rows. */
91		62	list -> gx_horizontal_list_total_columns = count;
92
93			/* Update selected index. */
94	✓✓	62	if (list -> gx_horizontal_list_selected < 0)
95			{
96		5	list -> gx_horizontal_list_selected = 0;
97			}
98
99	✓✓	62	if (list -> gx_horizontal_list_selected > count - 1)
100			{
101		15	list -> gx_horizontal_list_selected = count - 1;
102			}
103
104			/* Calculate current page index. */
105		62	page_index = list -> gx_horizontal_list_top_index;
106
107		62	test = _gx_widget_first_client_child_get((GX_WIDGET *)list);
108
109	✓✓✓✓	113	while (test && (test -> gx_widget_size.gx_rectangle_right <= list -> gx_widget_size.gx_rectangle_left))
110			{
111		51	page_index++;
112		51	test = _gx_widget_next_client_child_get(test);
113			}
114
115			/* Calculate new page index */
116	✓✓	62	if (page_index + list -> gx_horizontal_list_visible_columns > count)
117			{
118	✓✓	37	if (count > list -> gx_horizontal_list_visible_columns)
119			{
120		8	page_index = count - list -> gx_horizontal_list_visible_columns;
121			}
122			else
123			{
124		29	page_index = 0;
125			}
126			}
127
128			/* Add idle children back to horizontal list. */
129	✓✓	62	if (list -> gx_horizontal_list_idle_child_list)
130			{
131	✓✓	222	while (list -> gx_horizontal_list_idle_child_list)
132			{
133		193	test = list -> gx_horizontal_list_idle_child_list;
134		193	list -> gx_horizontal_list_idle_child_list = list -> gx_horizontal_list_idle_child_list -> gx_widget_next;
135
136		193	_gx_widget_attach((GX_WIDGET *)list, test);
137		193	list -> gx_horizontal_list_child_count++;
138			}
139			}
140
141			/* Check whether list child count is larger than count. */
142	✓✓	321	while (list -> gx_horizontal_list_child_count > count)
143			{
144		260	test = _gx_widget_last_client_child_get((GX_WIDGET *)list);
145
146	✓✓	260	if (test)
147			{
148		259	_gx_widget_detach(test);
149
150			/* Put detached widget to idle list. */
151		259	test -> gx_widget_next = list -> gx_horizontal_list_idle_child_list;
152		259	list -> gx_horizontal_list_idle_child_list = test;
153		259	list -> gx_horizontal_list_child_count--;
154			}
155			else
156			{
157		1	return GX_FAILURE;
158			}
159			}
160
161		61	list -> gx_horizontal_list_top_index = 0;
162		61	index = 0;
163		61	test = _gx_widget_first_client_child_get((GX_WIDGET *)list);
164
165	✓✓	476	while (test)
166			{
167		415	list -> gx_horizontal_list_callback(list, test, index++);
168
169		415	test = _gx_widget_next_client_child_get(test);
170			}
171
172			/* Reposition child widgets. */
173		61	_gx_horizontal_list_children_position(list);
174
175
176			/* Make new page index visible */
177		61	_gx_horizontal_list_page_index_set(list, page_index);
178
179		61	_gx_window_scrollbar_find((GX_WINDOW *)list, GX_TYPE_HORIZONTAL_SCROLL, &pScroll);
180
181	✓✓	61	if (pScroll)
182			{
183		30	_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		58	_gx_system_dirty_mark((GX_WIDGET *)list);
192			}
193		61	return GX_SUCCESS;
194			}
195