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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_multi_line_text_view_display_info_get.c	Lines:	55	55	100.0 %
Date:	2026-03-06 19:21:09	Branches:	38	38	100.0 %


/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation
 * Copyright (c) 2026-present Eclipse ThreadX contributors
 *
 * 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                                                        */
/**                                                                       */
/**   Multi Line Text View Management (Multi Line Text View)              */
/**                                                                       */
/**************************************************************************/

#define GX_SOURCE_CODE


/* Include necessary system files.  */

#include "gx_api.h"
#include "gx_system.h"
#include "gx_multi_line_text_view.h"
#include "gx_utility.h"
#include "gx_widget.h"

/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gx_multi_line_text_view_display_info_get           PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function gets the length and pixel width of one word or        */
/*      some characters can be displayed in one line.                     */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    text_view                             Multi line text view          */
/*                                            control block               */
/*    start_index                           Start character position in   */
/*                                            the input buffer            */
/*    end_index                             End character position in the */
/*                                            input buffer                */
/*    text_info                             Text and word information to  */
/*                                            be returned                 */
/*    available_width                       Width available to display    */
/*                                            text in current line        */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _gx_widget_font_get                   Retrieve font                 */
/*    _gx_system_string_width_get           Get the width of a string     */
/*    _gx_system_private_string_get         Get string pointer in a       */
/*                                            dynamically copied string   */
/*                                            buffer                      */
/*    _gx_utility_utf8_string_character_get Parse utf8 string to          */
/*                                            multi-byte glyph            */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    GUIX Internal Code                                                  */
/*                                                                        */
/**************************************************************************/
VOID _gx_multi_line_text_view_display_info_get(GX_MULTI_LINE_TEXT_VIEW *text_view, UINT start_index,
                                               UINT end_index, GX_MULTI_LINE_TEXT_INFO *text_info, GX_VALUE available_width)
{
#ifdef GX_UTF8_SUPPORT
UINT      current_index = start_index;
#endif
GX_STRING string;
GX_STRING ch;
GX_VALUE  char_width;
USHORT    display_width;
USHORT    display_number;
UINT      glyph_len = 1;
GX_FONT  *font;

    text_info -> gx_text_display_width = 0;
    text_info -> gx_text_display_number = 0;

    if (text_view -> gx_multi_line_text_view_text_id)
    {
        _gx_widget_string_get_ext((GX_WIDGET *)text_view, text_view -> gx_multi_line_text_view_text_id, &string);
    }
    else
    {
        _gx_system_private_string_get(&text_view -> gx_multi_line_text_view_text, &string, text_view -> gx_widget_style);
    }


    string.gx_string_ptr += start_index;
    string.gx_string_length = end_index - start_index;

    if (text_view -> gx_widget_status & GX_STATUS_LINE_BREAK_PROCESSED)
    {
        /* Line breaking alreay preprocessed, only need to search for line break characters to do line break. */
        while (string.gx_string_length > 0)
        {
            if (string.gx_string_ptr[0] == GX_KEY_CARRIAGE_RETURN)
            {
                text_info -> gx_text_display_number++;

                if ((string.gx_string_length > 1) && string.gx_string_ptr[1] == GX_KEY_LINE_FEED)
                {
                    text_info -> gx_text_display_number++;
                }
                break;
            }
            else if (string.gx_string_ptr[0] == GX_KEY_LINE_FEED)
            {
                text_info -> gx_text_display_number++;
                break;
            }
            else
            {
                text_info -> gx_text_display_number++;
            }

            string.gx_string_length--;
            string.gx_string_ptr++;
        }
    }
    else
    {
        _gx_widget_font_get((GX_WIDGET *)text_view, text_view -> gx_multi_line_text_view_font_id, &font);

        if (!font)
        {
            return;
        }

        display_width = 0;
        display_number = 0;

        while (string.gx_string_length > 0)
        {
            ch = string;

#ifdef GX_UTF8_SUPPORT
            _gx_utility_utf8_string_character_get(&string, GX_NULL, &glyph_len);
            current_index += glyph_len;
#else
            string.gx_string_ptr++;
            string.gx_string_length--;
#endif /* GX_UTF8_SUPPORT */

            ch.gx_string_length = glyph_len;
            _gx_system_string_width_get_ext(font, &ch, &char_width);

            if (ch.gx_string_ptr[0] == GX_KEY_CARRIAGE_RETURN)
            {
                if (ch.gx_string_ptr[1] == GX_KEY_LINE_FEED)
                {
                    text_info -> gx_text_display_number = (USHORT)(text_info -> gx_text_display_number + 2);
                }
                else
                {
                    text_info -> gx_text_display_number++;
                }
                break;
            }
            else if (ch.gx_string_ptr[0] == GX_KEY_LINE_FEED)
            {
                text_info -> gx_text_display_number++;
                break;
            }
            else if (((text_info -> gx_text_display_width + char_width) > available_width - 1) &&
                     (text_info -> gx_text_display_number > 0) &&
                     (ch.gx_string_ptr[0] != ' '))
            {
                if (display_number == 0)
                {
                    break;
                }
                text_info -> gx_text_display_width = display_width;
                text_info -> gx_text_display_number = display_number;
                break;
            }
            text_info -> gx_text_display_width = (USHORT)(text_info -> gx_text_display_width + char_width);
            text_info -> gx_text_display_number = (USHORT)(text_info -> gx_text_display_number + glyph_len);

            if ((ch.gx_string_ptr[0] == ' ') || (ch.gx_string_ptr[0] == ',') || (ch.gx_string_ptr[0] == ';'))
            {
                display_width = text_info -> gx_text_display_width;
                display_number = text_info -> gx_text_display_number;
            }
        }
    }
}



Generated by: GCOVR (Version 4.1)

Line	Branch	Exec	Source
1			/***************************************************************************
2			* Copyright (c) 2024 Microsoft Corporation
3			* Copyright (c) 2026-present Eclipse ThreadX contributors
4			*
5			* This program and the accompanying materials are made available under the
6			* terms of the MIT License which is available at
7			* https://opensource.org/licenses/MIT.
8			*
9			* SPDX-License-Identifier: MIT
10			**************************************************************************/
11
12
13			/**************************************************************************/
14			/**************************************************************************/
15			/** */
16			/** GUIX Component */
17			/** */
18			/** Multi Line Text View Management (Multi Line Text View) */
19			/** */
20			/**************************************************************************/
21
22			#define GX_SOURCE_CODE
23
24
25			/* Include necessary system files. */
26
27			#include "gx_api.h"
28			#include "gx_system.h"
29			#include "gx_multi_line_text_view.h"
30			#include "gx_utility.h"
31			#include "gx_widget.h"
32
33			/**************************************************************************/
34			/* */
35			/* FUNCTION RELEASE */
36			/* */
37			/* _gx_multi_line_text_view_display_info_get PORTABLE C */
38			/* 6.1 */
39			/* AUTHOR */
40			/* */
41			/* Kenneth Maxwell, Microsoft Corporation */
42			/* */
43			/* DESCRIPTION */
44			/* */
45			/* This function gets the length and pixel width of one word or */
46			/* some characters can be displayed in one line. */
47			/* */
48			/* INPUT */
49			/* */
50			/* text_view Multi line text view */
51			/* control block */
52			/* start_index Start character position in */
53			/* the input buffer */
54			/* end_index End character position in the */
55			/* input buffer */
56			/* text_info Text and word information to */
57			/* be returned */
58			/* available_width Width available to display */
59			/* text in current line */
60			/* */
61			/* OUTPUT */
62			/* */
63			/* None */
64			/* */
65			/* CALLS */
66			/* */
67			/* _gx_widget_font_get Retrieve font */
68			/* _gx_system_string_width_get Get the width of a string */
69			/* _gx_system_private_string_get Get string pointer in a */
70			/* dynamically copied string */
71			/* buffer */
72			/* _gx_utility_utf8_string_character_get Parse utf8 string to */
73			/* multi-byte glyph */
74			/* */
75			/* CALLED BY */
76			/* */
77			/* GUIX Internal Code */
78			/* */
79			/**************************************************************************/
80		133473	VOID _gx_multi_line_text_view_display_info_get(GX_MULTI_LINE_TEXT_VIEW *text_view, UINT start_index,
81			UINT end_index, GX_MULTI_LINE_TEXT_INFO *text_info, GX_VALUE available_width)
82			{
83			#ifdef GX_UTF8_SUPPORT
84		133473	UINT current_index = start_index;
85			#endif
86			GX_STRING string;
87			GX_STRING ch;
88			GX_VALUE char_width;
89			USHORT display_width;
90			USHORT display_number;
91		133473	UINT glyph_len = 1;
92			GX_FONT *font;
93
94		133473	text_info -> gx_text_display_width = 0;
95		133473	text_info -> gx_text_display_number = 0;
96
97	✓✓	133473	if (text_view -> gx_multi_line_text_view_text_id)
98			{
99		1749	_gx_widget_string_get_ext((GX_WIDGET *)text_view, text_view -> gx_multi_line_text_view_text_id, &string);
100			}
101			else
102			{
103		131724	_gx_system_private_string_get(&text_view -> gx_multi_line_text_view_text, &string, text_view -> gx_widget_style);
104			}
105
106
107		133473	string.gx_string_ptr += start_index;
108		133473	string.gx_string_length = end_index - start_index;
109
110	✓✓	133473	if (text_view -> gx_widget_status & GX_STATUS_LINE_BREAK_PROCESSED)
111			{
112			/* Line breaking alreay preprocessed, only need to search for line break characters to do line break. */
113	✓✓	447	while (string.gx_string_length > 0)
114			{
115	✓✓	434	if (string.gx_string_ptr[0] == GX_KEY_CARRIAGE_RETURN)
116			{
117		16	text_info -> gx_text_display_number++;
118
119	✓✓✓✓	16	if ((string.gx_string_length > 1) && string.gx_string_ptr[1] == GX_KEY_LINE_FEED)
120			{
121		1	text_info -> gx_text_display_number++;
122			}
123		16	break;
124			}
125	✓✓	418	else if (string.gx_string_ptr[0] == GX_KEY_LINE_FEED)
126			{
127		1	text_info -> gx_text_display_number++;
128		1	break;
129			}
130			else
131			{
132		417	text_info -> gx_text_display_number++;
133			}
134
135		417	string.gx_string_length--;
136		417	string.gx_string_ptr++;
137			}
138			}
139			else
140			{
141		133443	_gx_widget_font_get((GX_WIDGET *)text_view, text_view -> gx_multi_line_text_view_font_id, &font);
142
143	✓✓	133443	if (!font)
144			{
145		1	return;
146			}
147
148		133442	display_width = 0;
149		133442	display_number = 0;
150
151	✓✓	1244702	while (string.gx_string_length > 0)
152			{
153		1238984	ch = string;
154
155			#ifdef GX_UTF8_SUPPORT
156		1238984	_gx_utility_utf8_string_character_get(&string, GX_NULL, &glyph_len);
157		1238984	current_index += glyph_len;
158			#else
159			string.gx_string_ptr++;
160			string.gx_string_length--;
161			#endif /* GX_UTF8_SUPPORT */
162
163		1238984	ch.gx_string_length = glyph_len;
164		1238984	_gx_system_string_width_get_ext(font, &ch, &char_width);
165
166	✓✓	1238984	if (ch.gx_string_ptr[0] == GX_KEY_CARRIAGE_RETURN)
167			{
168	✓✓	90375	if (ch.gx_string_ptr[1] == GX_KEY_LINE_FEED)
169			{
170		1869	text_info -> gx_text_display_number = (USHORT)(text_info -> gx_text_display_number + 2);
171			}
172			else
173			{
174		88506	text_info -> gx_text_display_number++;
175			}
176		90375	break;
177			}
178	✓✓	1148609	else if (ch.gx_string_ptr[0] == GX_KEY_LINE_FEED)
179			{
180		11472	text_info -> gx_text_display_number++;
181		11472	break;
182			}
183	✓✓	1137137	else if (((text_info -> gx_text_display_width + char_width) > available_width - 1) &&
184	✓✓	52916	(text_info -> gx_text_display_number > 0) &&
185	✓✓	52730	(ch.gx_string_ptr[0] != ' '))
186			{
187	✓✓	25877	if (display_number == 0)
188			{
189		8028	break;
190			}
191		17849	text_info -> gx_text_display_width = display_width;
192		17849	text_info -> gx_text_display_number = display_number;
193		17849	break;
194			}
195		1111260	text_info -> gx_text_display_width = (USHORT)(text_info -> gx_text_display_width + char_width);
196		1111260	text_info -> gx_text_display_number = (USHORT)(text_info -> gx_text_display_number + glyph_len);
197
198	✓✓✓✓ ✓✓	1111260	if ((ch.gx_string_ptr[0] == ' ') \|\| (ch.gx_string_ptr[0] == ',') \|\| (ch.gx_string_ptr[0] == ';'))
199			{
200		211442	display_width = text_info -> gx_text_display_width;
201		211442	display_number = text_info -> gx_text_display_number;
202			}
203			}
204			}
205			}
206