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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_single_line_text_input_mark_next.c	Lines:	50	50	100.0 %
Date:	2024-12-05 08:52:37	Branches:	14	14	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_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_mark_next                PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function highlights the character after the end mark position. */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    text_input                           Single-line text input widget  */
/*                                           control block                */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _gx_widget_border_width_get           Get the widget border width   */
/*    _gx_widget_client_get                 Get widget client rectangle   */
/*    _gx_widget_font_get                   Retrieve font associate with  */
/*                                            specified font id           */
/*    _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_text_input_cursor_dirty_rectangle_get                           */
/*                                          Get cursor rectangle          */
/*    _gx_utility_utf8_string_character_get Parse utf8 string to          */
/*                                            multi-byte glyph            */
/*                                                                        */
/*  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    */
/*                                                                        */
/**************************************************************************/
UINT _gx_single_line_text_input_mark_next(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;
GX_VALUE              width;
GX_FONT              *gx_font;
GX_RECTANGLE          client;
GX_RECTANGLE          cursor_rect;
UINT                  glyph_len = 1;
INT                   new_cursor_pos;
GX_BOOL               mark_all = GX_FALSE;
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_STRING             string;


    if (start_mark == end_mark)
    {
        start_mark = text_input -> gx_single_line_text_input_insert_pos;
        end_mark = text_input -> gx_single_line_text_input_insert_pos;

        text_input -> gx_single_line_text_input_start_mark = start_mark;
        text_input -> gx_single_line_text_input_end_mark = end_mark;
    }

    if (end_mark < string_size)
    {
#ifdef GX_UTF8_SUPPORT
        /* Calculate glyph length of the characgter after the end mark. */
        string.gx_string_ptr = string_buffer + end_mark;
        string.gx_string_length = string_size - end_mark;
        _gx_utility_utf8_string_character_get(&string, GX_NULL, &glyph_len);
#endif

        /* Update end mark. */
        text_input -> gx_single_line_text_input_end_mark += glyph_len;

        /* Update insert position. */
        text_input -> gx_single_line_text_input_insert_pos += glyph_len;

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

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

        /* Pickup text font. */
        _gx_widget_font_get((GX_WIDGET *)text_input, text_input -> gx_prompt_font_id, &gx_font);

        /* Get the glyph width after the end mark. */
        string.gx_string_ptr = string_buffer + end_mark;
        string.gx_string_length = glyph_len;
        _gx_system_string_width_get_ext(gx_font, &string, &width);

        /* Calculate new cursor position. */
        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:
            break;

        case GX_STYLE_TEXT_RIGHT:
        case GX_STYLE_TEXT_LEFT:
        default:
            if (new_cursor_pos > client.gx_rectangle_right - 1)
            {
                /* The next marked character is out of client area, 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);

                new_cursor_pos = (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);
                new_cursor_pos = (GX_VALUE)(client.gx_rectangle_left + 1);

                mark_all = GX_TRUE;
            }
            break;
        }

        if (!mark_all)
        {
            /* Only need to mark area between old and new end mark as dirty. */
            client.gx_rectangle_left = cursor_ptr -> gx_text_input_cursor_pos.gx_point_x;
            client.gx_rectangle_right = (GX_VALUE)(new_cursor_pos - 1);

            if (start_mark == end_mark)
            {
                /* Get old cursor rectangle. */
                _gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &cursor_rect);

                /* Combine with old cursor rectangle. */
                _gx_utility_rectangle_combine(&client, &cursor_rect);
            }
        }

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

        _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_system.h"
28			#include "gx_widget.h"
29			#include "gx_single_line_text_input.h"
30			#include "gx_text_input_cursor.h"
31			#include "gx_utility.h"
32
33			/**************************************************************************/
34			/* */
35			/* FUNCTION RELEASE */
36			/* */
37			/* _gx_single_line_text_input_mark_next PORTABLE C */
38			/* 6.1 */
39			/* AUTHOR */
40			/* */
41			/* Kenneth Maxwell, Microsoft Corporation */
42			/* */
43			/* DESCRIPTION */
44			/* */
45			/* This function highlights the character after the end mark position. */
46			/* */
47			/* INPUT */
48			/* */
49			/* text_input Single-line text input widget */
50			/* control block */
51			/* */
52			/* OUTPUT */
53			/* */
54			/* None */
55			/* */
56			/* CALLS */
57			/* */
58			/* _gx_widget_border_width_get Get the widget border width */
59			/* _gx_widget_client_get Get widget client rectangle */
60			/* _gx_widget_font_get Retrieve font associate with */
61			/* specified font id */
62			/* _gx_system_string_width_get Get the width of a string */
63			/* _gx_system_dirty_partial_add Mark the specified area of */
64			/* a widget as dirty */
65			/* _gx_text_input_cursor_dirty_rectangle_get */
66			/* Get cursor rectangle */
67			/* _gx_utility_utf8_string_character_get Parse utf8 string to */
68			/* multi-byte glyph */
69			/* */
70			/* CALLED BY */
71			/* */
72			/* GUIX Internal Code */
73			/* */
74			/* RELEASE HISTORY */
75			/* */
76			/* DATE NAME DESCRIPTION */
77			/* */
78			/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
79			/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
80			/* resulting in version 6.1 */
81			/* */
82			/**************************************************************************/
83		636	UINT _gx_single_line_text_input_mark_next(GX_SINGLE_LINE_TEXT_INPUT *text_input)
84			{
85		636	GX_TEXT_INPUT_CURSOR *cursor_ptr = &text_input -> gx_single_line_text_input_cursor_instance;
86		636	GX_CHAR *string_buffer = text_input -> gx_single_line_text_input_buffer;
87		636	UINT string_size = text_input -> gx_single_line_text_input_string_size;
88			GX_VALUE width;
89			GX_FONT *gx_font;
90			GX_RECTANGLE client;
91			GX_RECTANGLE cursor_rect;
92		636	UINT glyph_len = 1;
93			INT new_cursor_pos;
94		636	GX_BOOL mark_all = GX_FALSE;
95		636	UINT start_mark = text_input -> gx_single_line_text_input_start_mark;
96		636	UINT end_mark = text_input -> gx_single_line_text_input_end_mark;
97			GX_STRING string;
98
99
100	✓✓	636	if (start_mark == end_mark)
101			{
102		17	start_mark = text_input -> gx_single_line_text_input_insert_pos;
103		17	end_mark = text_input -> gx_single_line_text_input_insert_pos;
104
105		17	text_input -> gx_single_line_text_input_start_mark = start_mark;
106		17	text_input -> gx_single_line_text_input_end_mark = end_mark;
107			}
108
109	✓✓	636	if (end_mark < string_size)
110			{
111			#ifdef GX_UTF8_SUPPORT
112			/* Calculate glyph length of the characgter after the end mark. */
113		635	string.gx_string_ptr = string_buffer + end_mark;
114		635	string.gx_string_length = string_size - end_mark;
115		635	_gx_utility_utf8_string_character_get(&string, GX_NULL, &glyph_len);
116			#endif
117
118			/* Update end mark. */
119		635	text_input -> gx_single_line_text_input_end_mark += glyph_len;
120
121			/* Update insert position. */
122		635	text_input -> gx_single_line_text_input_insert_pos += glyph_len;
123
124			/* Get widget border. */
125		635	_gx_widget_border_width_get((GX_WIDGET *)text_input, &width);
126
127			/* Get client rectangle. */
128		635	_gx_widget_client_get((GX_WIDGET *)text_input, width, &client);
129
130			/* Pickup text font. */
131		635	_gx_widget_font_get((GX_WIDGET *)text_input, text_input -> gx_prompt_font_id, &gx_font);
132
133			/* Get the glyph width after the end mark. */
134		635	string.gx_string_ptr = string_buffer + end_mark;
135		635	string.gx_string_length = glyph_len;
136		635	_gx_system_string_width_get_ext(gx_font, &string, &width);
137
138			/* Calculate new cursor position. */
139		635	new_cursor_pos = (GX_VALUE)(cursor_ptr -> gx_text_input_cursor_pos.gx_point_x + width);
140
141	✓✓	635	switch (text_input -> gx_widget_style & GX_STYLE_TEXT_ALIGNMENT_MASK)
142			{
143		204	case GX_STYLE_TEXT_CENTER:
144		204	break;
145
146		431	case GX_STYLE_TEXT_RIGHT:
147			case GX_STYLE_TEXT_LEFT:
148			default:
149	✓✓	431	if (new_cursor_pos > client.gx_rectangle_right - 1)
150			{
151			/* The next marked character is out of client area, update x offset. */
152		52	text_input -> gx_single_line_text_input_xoffset = (GX_VALUE)(text_input -> gx_single_line_text_input_xoffset +
153		52	new_cursor_pos - client.gx_rectangle_right + 1);
154
155		52	new_cursor_pos = (GX_VALUE)(client.gx_rectangle_right - 1);
156
157			/* Should mark all widget as dirty. */
158		52	mark_all = GX_TRUE;
159			}
160	✓✓	379	else if (new_cursor_pos < client.gx_rectangle_left + 1)
161			{
162			/* Update text input x offset. */
163		8	text_input -> gx_single_line_text_input_xoffset = (GX_VALUE)(text_input -> gx_single_line_text_input_xoffset -
164		8	client.gx_rectangle_left - 1 + new_cursor_pos);
165		8	new_cursor_pos = (GX_VALUE)(client.gx_rectangle_left + 1);
166
167		8	mark_all = GX_TRUE;
168			}
169		431	break;
170			}
171
172	✓✓	635	if (!mark_all)
173			{
174			/* Only need to mark area between old and new end mark as dirty. */
175		575	client.gx_rectangle_left = cursor_ptr -> gx_text_input_cursor_pos.gx_point_x;
176		575	client.gx_rectangle_right = (GX_VALUE)(new_cursor_pos - 1);
177
178	✓✓	575	if (start_mark == end_mark)
179			{
180			/* Get old cursor rectangle. */
181		16	_gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &cursor_rect);
182
183			/* Combine with old cursor rectangle. */
184		16	_gx_utility_rectangle_combine(&client, &cursor_rect);
185			}
186			}
187
188		635	cursor_ptr -> gx_text_input_cursor_pos.gx_point_x = (GX_VALUE)new_cursor_pos;
189
190		635	_gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
191			}
192		636	return GX_SUCCESS;
193			}
194