Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_single_line_text_input_right_arrow.c	Lines:	69	69	100.0 %
Date:	2024-12-05 08:52:37	Branches:	32	32	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                                                        */
/**                                                                       */
/**   Text Input Management (Single Line Text Input)                      */
/**                                                                       */
/**************************************************************************/

#define GX_SOURCE_CODE


/* Include necessary system files.  */

#include "gx_api.h"
#include "gx_context.h"
#include "gx_system.h"
#include "gx_widget.h"
#include "gx_single_line_text_input.h"
#include "gx_text_input_cursor.h"
#include "gx_utility.h"

/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gx_single_line_text_input_right_arrow              PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This service moves the text input cursor one character position to  */
/*    the right.                                                          */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    text_input                           Single-line text input widget  */
/*                                           control block                */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _gx_widget_font_get                   Get the font of the text      */
/*    _gx_widget_border_width_get           Get the widget border width   */
/*    _gx_widget_client_get                 Get widget client rectangle   */
/*    _gx_system_string_width_get           Get the width of a string     */
/*    _gx_system_dirty_partial_add          Mark the specified area of    */
/*                                            a widget as dirty           */
/*    _gx_system_dirty_mark                 Mark the widget as dirty      */
/*    _gx_text_input_cursor_dirty_rectangle_get                           */
/*                                          Get cursor rectangle          */
/*    _gx_utility_utf8_string_character_get Parse utf8 string to          */
/*                                            multi-byte glyph            */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*    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    */
/*                                                                        */
/**************************************************************************/
UINT _gx_single_line_text_input_right_arrow(GX_SINGLE_LINE_TEXT_INPUT *text_input)
{
GX_TEXT_INPUT_CURSOR *cursor_ptr = &text_input -> gx_single_line_text_input_cursor_instance;
GX_CHAR              *string_buffer = text_input -> gx_single_line_text_input_buffer;
UINT                  string_size = text_input -> gx_single_line_text_input_string_size;
UINT                  insert_pos;
GX_VALUE              new_cursor_pos;
GX_VALUE              old_cursor_pos;
GX_VALUE              width;
GX_FONT              *gx_font;
GX_RECTANGLE          client;
GX_RECTANGLE          cursor_rect;
UINT                  glyph_len = 1;
UINT                  start_mark = text_input -> gx_single_line_text_input_start_mark;
UINT                  end_mark = text_input -> gx_single_line_text_input_end_mark;
GX_BOOL               mark_all = GX_FALSE;
GX_STRING             string;

    /* Pick up widget border width. */
    _gx_widget_border_width_get((GX_WIDGET *)text_input, &width);

    /* Get widget client rectangle. */
    _gx_widget_client_get((GX_WIDGET *)text_input, width, &client);

    old_cursor_pos = cursor_ptr -> gx_text_input_cursor_pos.gx_point_x;
    new_cursor_pos = cursor_ptr -> gx_text_input_cursor_pos.gx_point_x;

    if (start_mark != end_mark)
    {
        text_input -> gx_single_line_text_input_start_mark = 0;
        text_input -> gx_single_line_text_input_end_mark = 0;

        if (end_mark > start_mark)
        {
            if (((new_cursor_pos > client.gx_rectangle_left) &&
                 (new_cursor_pos < client.gx_rectangle_right)) ||
                ((text_input -> gx_widget_style & GX_STYLE_TEXT_ALIGNMENT_MASK) == GX_STYLE_TEXT_CENTER))
            {
                /* No need to update cursor position, just need mark
                   cursor and highlight area as dirty. */
                _gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &cursor_rect);

                _gx_single_line_text_input_text_rectangle_get(text_input, (INT)(start_mark - end_mark), &client);

                /* Combine cursor rect and highlight area. */
                _gx_utility_rectangle_combine(&client, &cursor_rect);

                return _gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
            }
        }
    }

    insert_pos = text_input -> gx_single_line_text_input_insert_pos;

    /* Update cursor position and offset in x-axis.  */
    if ((insert_pos < string_size) ||
        (end_mark > start_mark))
    {
        if (start_mark >= end_mark)
        {
            string.gx_string_ptr = string_buffer + insert_pos;

            /* Calculate new cursor position. */
            if (start_mark != end_mark)
            {
                glyph_len = start_mark - end_mark;
            }
#ifdef GX_UTF8_SUPPORT
            else
            {
                string.gx_string_length = string_size - insert_pos;
                _gx_utility_utf8_string_character_get(&string, GX_NULL, &glyph_len);
            }
#endif
            text_input -> gx_single_line_text_input_insert_pos += glyph_len;

            /* Calculate cursor position. */
            _gx_widget_font_get((GX_WIDGET *)text_input, text_input -> gx_prompt_font_id, &gx_font);
            string.gx_string_ptr = string_buffer + insert_pos;
            string.gx_string_length = glyph_len;
            _gx_system_string_width_get_ext(gx_font, &string, &width);

            new_cursor_pos = (GX_VALUE)(cursor_ptr -> gx_text_input_cursor_pos.gx_point_x + width);
        }


        switch (text_input -> gx_widget_style & GX_STYLE_TEXT_ALIGNMENT_MASK)
        {
        case GX_STYLE_TEXT_CENTER:
            if (start_mark == end_mark)
            {
                /* No need to update text input x offset, mark old and new cursor position area as dirty.  */
                _gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &client);
                _gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
            }

            cursor_ptr -> gx_text_input_cursor_pos.gx_point_x = new_cursor_pos;
            _gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &client);
            _gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
            break;

        case GX_STYLE_TEXT_RIGHT:
        case GX_STYLE_TEXT_LEFT:
        default:
            if (new_cursor_pos > client.gx_rectangle_right - 1)
            {
                /* Cursor position is out of client rectangle, update x offset. */
                text_input -> gx_single_line_text_input_xoffset = (GX_VALUE)(text_input -> gx_single_line_text_input_xoffset +
                                                                             new_cursor_pos - client.gx_rectangle_right + 1);
                cursor_ptr -> gx_text_input_cursor_pos.gx_point_x = (GX_VALUE)(client.gx_rectangle_right - 1);

                /* Should mark all widget as dirty.  */
                mark_all = GX_TRUE;
            }
            else if (new_cursor_pos < client.gx_rectangle_left + 1)
            {
                /* Update text input x offset. */
                text_input -> gx_single_line_text_input_xoffset = (GX_VALUE)(text_input -> gx_single_line_text_input_xoffset -
                                                                             client.gx_rectangle_left - 1 + new_cursor_pos);
                cursor_ptr -> gx_text_input_cursor_pos.gx_point_x = (GX_VALUE)(client.gx_rectangle_left + 1);

                mark_all = GX_TRUE;
            }
            else
            {
                /* No need to update text input x offset, mark old and new cursor position area as dirty.  */
                if (start_mark == end_mark)
                {
                    _gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &client);
                    _gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
                }

                cursor_ptr -> gx_text_input_cursor_pos.gx_point_x = new_cursor_pos;
                _gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &client);
                _gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
            }
            break;
        }

        if ((!mark_all) && (start_mark != end_mark))
        {
            /* Mark highlight area as dirty. */
            client.gx_rectangle_left = old_cursor_pos;
            client.gx_rectangle_right = (GX_VALUE)(new_cursor_pos - 1);
        }

        _gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
    }

    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			/** Text Input Management (Single Line Text Input) */
18			/** */
19			/**************************************************************************/
20
21			#define GX_SOURCE_CODE
22
23
24			/* Include necessary system files. */
25
26			#include "gx_api.h"
27			#include "gx_context.h"
28			#include "gx_system.h"
29			#include "gx_widget.h"
30			#include "gx_single_line_text_input.h"
31			#include "gx_text_input_cursor.h"
32			#include "gx_utility.h"
33
34			/**************************************************************************/
35			/* */
36			/* FUNCTION RELEASE */
37			/* */
38			/* _gx_single_line_text_input_right_arrow PORTABLE C */
39			/* 6.1 */
40			/* AUTHOR */
41			/* */
42			/* Kenneth Maxwell, Microsoft Corporation */
43			/* */
44			/* DESCRIPTION */
45			/* */
46			/* This service moves the text input cursor one character position to */
47			/* the right. */
48			/* */
49			/* INPUT */
50			/* */
51			/* text_input Single-line text input widget */
52			/* control block */
53			/* */
54			/* OUTPUT */
55			/* */
56			/* None */
57			/* */
58			/* CALLS */
59			/* */
60			/* _gx_widget_font_get Get the font of the text */
61			/* _gx_widget_border_width_get Get the widget border width */
62			/* _gx_widget_client_get Get widget client rectangle */
63			/* _gx_system_string_width_get Get the width of a string */
64			/* _gx_system_dirty_partial_add Mark the specified area of */
65			/* a widget as dirty */
66			/* _gx_system_dirty_mark Mark the widget as dirty */
67			/* _gx_text_input_cursor_dirty_rectangle_get */
68			/* Get cursor rectangle */
69			/* _gx_utility_utf8_string_character_get Parse utf8 string to */
70			/* multi-byte glyph */
71			/* */
72			/* CALLED BY */
73			/* */
74			/* Application Code */
75			/* GUIX Internal Code */
76			/* */
77			/* RELEASE HISTORY */
78			/* */
79			/* DATE NAME DESCRIPTION */
80			/* */
81			/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
82			/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
83			/* resulting in version 6.1 */
84			/* */
85			/**************************************************************************/
86		6431	UINT _gx_single_line_text_input_right_arrow(GX_SINGLE_LINE_TEXT_INPUT *text_input)
87			{
88		6431	GX_TEXT_INPUT_CURSOR *cursor_ptr = &text_input -> gx_single_line_text_input_cursor_instance;
89		6431	GX_CHAR *string_buffer = text_input -> gx_single_line_text_input_buffer;
90		6431	UINT string_size = text_input -> gx_single_line_text_input_string_size;
91			UINT insert_pos;
92			GX_VALUE new_cursor_pos;
93			GX_VALUE old_cursor_pos;
94			GX_VALUE width;
95			GX_FONT *gx_font;
96			GX_RECTANGLE client;
97			GX_RECTANGLE cursor_rect;
98		6431	UINT glyph_len = 1;
99		6431	UINT start_mark = text_input -> gx_single_line_text_input_start_mark;
100		6431	UINT end_mark = text_input -> gx_single_line_text_input_end_mark;
101		6431	GX_BOOL mark_all = GX_FALSE;
102			GX_STRING string;
103
104			/* Pick up widget border width. */
105		6431	_gx_widget_border_width_get((GX_WIDGET *)text_input, &width);
106
107			/* Get widget client rectangle. */
108		6431	_gx_widget_client_get((GX_WIDGET *)text_input, width, &client);
109
110		6431	old_cursor_pos = cursor_ptr -> gx_text_input_cursor_pos.gx_point_x;
111		6431	new_cursor_pos = cursor_ptr -> gx_text_input_cursor_pos.gx_point_x;
112
113	✓✓	6431	if (start_mark != end_mark)
114			{
115		69	text_input -> gx_single_line_text_input_start_mark = 0;
116		69	text_input -> gx_single_line_text_input_end_mark = 0;
117
118	✓✓	69	if (end_mark > start_mark)
119			{
120	✓✓	48	if (((new_cursor_pos > client.gx_rectangle_left) &&
121	✓✓	38	(new_cursor_pos < client.gx_rectangle_right)) \|\|
122	✓✓	40	((text_input -> gx_widget_style & GX_STYLE_TEXT_ALIGNMENT_MASK) == GX_STYLE_TEXT_CENTER))
123			{
124			/* No need to update cursor position, just need mark
125			cursor and highlight area as dirty. */
126		23	_gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &cursor_rect);
127
128		23	_gx_single_line_text_input_text_rectangle_get(text_input, (INT)(start_mark - end_mark), &client);
129
130			/* Combine cursor rect and highlight area. */
131		23	_gx_utility_rectangle_combine(&client, &cursor_rect);
132
133		23	return _gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
134			}
135			}
136			}
137
138		6408	insert_pos = text_input -> gx_single_line_text_input_insert_pos;
139
140			/* Update cursor position and offset in x-axis. */
141	✓✓✓✓	6408	if ((insert_pos < string_size) \|\|
142			(end_mark > start_mark))
143			{
144	✓✓	2638	if (start_mark >= end_mark)
145			{
146		2613	string.gx_string_ptr = string_buffer + insert_pos;
147
148			/* Calculate new cursor position. */
149	✓✓	2613	if (start_mark != end_mark)
150			{
151		21	glyph_len = start_mark - end_mark;
152			}
153			#ifdef GX_UTF8_SUPPORT
154			else
155			{
156		2592	string.gx_string_length = string_size - insert_pos;
157		2592	_gx_utility_utf8_string_character_get(&string, GX_NULL, &glyph_len);
158			}
159			#endif
160		2613	text_input -> gx_single_line_text_input_insert_pos += glyph_len;
161
162			/* Calculate cursor position. */
163		2613	_gx_widget_font_get((GX_WIDGET *)text_input, text_input -> gx_prompt_font_id, &gx_font);
164		2613	string.gx_string_ptr = string_buffer + insert_pos;
165		2613	string.gx_string_length = glyph_len;
166		2613	_gx_system_string_width_get_ext(gx_font, &string, &width);
167
168		2613	new_cursor_pos = (GX_VALUE)(cursor_ptr -> gx_text_input_cursor_pos.gx_point_x + width);
169			}
170
171
172	✓✓	2638	switch (text_input -> gx_widget_style & GX_STYLE_TEXT_ALIGNMENT_MASK)
173			{
174		830	case GX_STYLE_TEXT_CENTER:
175	✓✓	830	if (start_mark == end_mark)
176			{
177			/* No need to update text input x offset, mark old and new cursor position area as dirty. */
178		823	_gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &client);
179		823	_gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
180			}
181
182		830	cursor_ptr -> gx_text_input_cursor_pos.gx_point_x = new_cursor_pos;
183		830	_gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &client);
184		830	_gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
185		830	break;
186
187		1808	case GX_STYLE_TEXT_RIGHT:
188			case GX_STYLE_TEXT_LEFT:
189			default:
190	✓✓	1808	if (new_cursor_pos > client.gx_rectangle_right - 1)
191			{
192			/* Cursor position is out of client rectangle, update x offset. */
193		287	text_input -> gx_single_line_text_input_xoffset = (GX_VALUE)(text_input -> gx_single_line_text_input_xoffset +
194		287	new_cursor_pos - client.gx_rectangle_right + 1);
195		287	cursor_ptr -> gx_text_input_cursor_pos.gx_point_x = (GX_VALUE)(client.gx_rectangle_right - 1);
196
197			/* Should mark all widget as dirty. */
198		287	mark_all = GX_TRUE;
199			}
200	✓✓	1521	else if (new_cursor_pos < client.gx_rectangle_left + 1)
201			{
202			/* Update text input x offset. */
203		8	text_input -> gx_single_line_text_input_xoffset = (GX_VALUE)(text_input -> gx_single_line_text_input_xoffset -
204		8	client.gx_rectangle_left - 1 + new_cursor_pos);
205		8	cursor_ptr -> gx_text_input_cursor_pos.gx_point_x = (GX_VALUE)(client.gx_rectangle_left + 1);
206
207		8	mark_all = GX_TRUE;
208			}
209			else
210			{
211			/* No need to update text input x offset, mark old and new cursor position area as dirty. */
212	✓✓	1513	if (start_mark == end_mark)
213			{
214		1509	_gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &client);
215		1509	_gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
216			}
217
218		1513	cursor_ptr -> gx_text_input_cursor_pos.gx_point_x = new_cursor_pos;
219		1513	_gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &client);
220		1513	_gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
221			}
222		1808	break;
223			}
224
225	✓✓✓✓	2638	if ((!mark_all) && (start_mark != end_mark))
226			{
227			/* Mark highlight area as dirty. */
228		11	client.gx_rectangle_left = old_cursor_pos;
229		11	client.gx_rectangle_right = (GX_VALUE)(new_cursor_pos - 1);
230			}
231
232		2638	_gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
233			}
234
235		6408	return GX_SUCCESS;
236			}
237