Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_single_line_text_input_home.c	Lines:	49	49	100.0 %
Date:	2024-12-05 08:52:37	Branches:	15	15	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_display.h"
#include "gx_context.h"
#include "gx_widget.h"
#include "gx_single_line_text_input.h"
#include "gx_text_input_cursor.h"

/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gx_single_line_text_input_home                     PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This service moves the text input cursor position to the start of   */
/*    the input string.                                                   */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    text_input                            Single-line text input widget */
/*                                            control block               */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _gx_widget_font_get                   Get font by specified ID      */
/*    _gx_widget_border_width_get           Get the widget border width   */
/*    _gx_widget_client_get                 Retrieves client area of the  */
/*                                            widget                      */
/*    _gx_system_string_width_get           Get the width of a string     */
/*    _gx_system_dirty_mark                 Mart the area of the widget   */
/*                                            dirty                       */
/*    _gx_system_dirty_partial_add          Mark the partial area of a    */
/*                                            widget as dirty             */
/*                                                                        */
/*  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_home(GX_SINGLE_LINE_TEXT_INPUT *text_input)
{
GX_TEXT_INPUT_CURSOR *cursor_ptr;
GX_VALUE              border_width;
GX_VALUE              text_width;
GX_RECTANGLE          client;
GX_FONT              *gx_font;
GX_VALUE              new_xoffset;
GX_VALUE              new_cursor_pos;
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_new_cursor_dirty = GX_FALSE;
GX_STRING             string;

    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;
    }

    cursor_ptr = &text_input -> gx_single_line_text_input_cursor_instance;

    /* Check if cursor already in the home position. */
    if (text_input -> gx_single_line_text_input_insert_pos == 0)
    {
        return GX_SUCCESS;
    }

    _gx_widget_border_width_get((GX_WIDGET *)text_input, &border_width);
    _gx_widget_client_get((GX_WIDGET *)text_input, border_width, &client);

    switch (text_input -> gx_widget_style & GX_STYLE_TEXT_ALIGNMENT_MASK)
    {
    case GX_STYLE_TEXT_RIGHT:
        /* Calculate new x offset.  */
        _gx_widget_font_get((GX_WIDGET *)text_input, text_input -> gx_prompt_font_id, &gx_font);

        string.gx_string_ptr = text_input -> gx_single_line_text_input_buffer;
        string.gx_string_length = text_input -> gx_single_line_text_input_string_size;
        _gx_system_string_width_get_ext(gx_font, &string, &text_width);
        new_xoffset = (GX_VALUE)(client.gx_rectangle_right - client.gx_rectangle_left + 1);

        new_xoffset = (GX_VALUE)(new_xoffset - 3);

        if (text_width < new_xoffset)
        {
            new_xoffset = text_width;
        }

        /* Calculate new cursor position.  */
        new_cursor_pos = (GX_VALUE)(client.gx_rectangle_right - 1 - new_xoffset);
        break;

    case GX_STYLE_TEXT_CENTER:
        /* Calculate new cursor position.  */
        new_xoffset = 0;
        new_cursor_pos = (GX_VALUE)(client.gx_rectangle_left + 1 + ((client.gx_rectangle_right - client.gx_rectangle_left + 1) >> 1));
        new_cursor_pos = (GX_VALUE)(new_cursor_pos - text_input -> gx_single_line_text_input_xoffset);
        break;


    case GX_STYLE_TEXT_LEFT:
    default:
        new_xoffset = 0;
        new_cursor_pos = (GX_VALUE)(client.gx_rectangle_left + 1);
        break;
    }

    if (text_input -> gx_single_line_text_input_xoffset != new_xoffset)
    {
        /* We need to update x offset, mark whole text input area dirty.  */
        _gx_system_dirty_mark((GX_WIDGET *)text_input);
    }
    else
    {
        if (start_mark != end_mark)
        {
            /* Get bounding rectangle of highlight text. */
            _gx_single_line_text_input_text_rectangle_get(text_input, (INT)(start_mark - end_mark), &client);

            /* Mark highlight area as dirty. */
            _gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);

            mark_new_cursor_dirty = GX_TRUE;
        }
        else
        {
            /* No need to update x offset, mark old and new cursor position area dirty.  */

            /* Mark old curosr rectangle as dirty. */
            _gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &client);
            _gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);

            mark_new_cursor_dirty = GX_TRUE;
        }
    }

    /* Update cursor position. */
    cursor_ptr -> gx_text_input_cursor_pos.gx_point_x = new_cursor_pos;

    /* Update character insert position.  */
    text_input -> gx_single_line_text_input_insert_pos = 0;

    /* Update text input x offset.  */
    text_input -> gx_single_line_text_input_xoffset = new_xoffset;

    if (mark_new_cursor_dirty)
    {
        /* Mark new cursor rectangle as dirty. */
        _gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &client);
        _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_display.h"
29			#include "gx_context.h"
30			#include "gx_widget.h"
31			#include "gx_single_line_text_input.h"
32			#include "gx_text_input_cursor.h"
33
34			/**************************************************************************/
35			/* */
36			/* FUNCTION RELEASE */
37			/* */
38			/* _gx_single_line_text_input_home 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 position to the start of */
47			/* the input string. */
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 font by specified ID */
61			/* _gx_widget_border_width_get Get the widget border width */
62			/* _gx_widget_client_get Retrieves client area of the */
63			/* widget */
64			/* _gx_system_string_width_get Get the width of a string */
65			/* _gx_system_dirty_mark Mart the area of the widget */
66			/* dirty */
67			/* _gx_system_dirty_partial_add Mark the partial area of a */
68			/* widget as dirty */
69			/* */
70			/* CALLED BY */
71			/* */
72			/* Application Code */
73			/* GUIX Internal Code */
74			/* */
75			/* RELEASE HISTORY */
76			/* */
77			/* DATE NAME DESCRIPTION */
78			/* */
79			/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
80			/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
81			/* resulting in version 6.1 */
82			/* */
83			/**************************************************************************/
84		668	UINT _gx_single_line_text_input_home(GX_SINGLE_LINE_TEXT_INPUT *text_input)
85			{
86			GX_TEXT_INPUT_CURSOR *cursor_ptr;
87			GX_VALUE border_width;
88			GX_VALUE text_width;
89			GX_RECTANGLE client;
90			GX_FONT *gx_font;
91			GX_VALUE new_xoffset;
92			GX_VALUE new_cursor_pos;
93		668	UINT start_mark = text_input -> gx_single_line_text_input_start_mark;
94		668	UINT end_mark = text_input -> gx_single_line_text_input_end_mark;
95		668	GX_BOOL mark_new_cursor_dirty = GX_FALSE;
96			GX_STRING string;
97
98	✓✓	668	if (start_mark != end_mark)
99			{
100		78	text_input -> gx_single_line_text_input_start_mark = 0;
101		78	text_input -> gx_single_line_text_input_end_mark = 0;
102			}
103
104		668	cursor_ptr = &text_input -> gx_single_line_text_input_cursor_instance;
105
106			/* Check if cursor already in the home position. */
107	✓✓	668	if (text_input -> gx_single_line_text_input_insert_pos == 0)
108			{
109		30	return GX_SUCCESS;
110			}
111
112		638	_gx_widget_border_width_get((GX_WIDGET *)text_input, &border_width);
113		638	_gx_widget_client_get((GX_WIDGET *)text_input, border_width, &client);
114
115	✓✓✓	638	switch (text_input -> gx_widget_style & GX_STYLE_TEXT_ALIGNMENT_MASK)
116			{
117		172	case GX_STYLE_TEXT_RIGHT:
118			/* Calculate new x offset. */
119		172	_gx_widget_font_get((GX_WIDGET *)text_input, text_input -> gx_prompt_font_id, &gx_font);
120
121		172	string.gx_string_ptr = text_input -> gx_single_line_text_input_buffer;
122		172	string.gx_string_length = text_input -> gx_single_line_text_input_string_size;
123		172	_gx_system_string_width_get_ext(gx_font, &string, &text_width);
124		172	new_xoffset = (GX_VALUE)(client.gx_rectangle_right - client.gx_rectangle_left + 1);
125
126		172	new_xoffset = (GX_VALUE)(new_xoffset - 3);
127
128	✓✓	172	if (text_width < new_xoffset)
129			{
130		28	new_xoffset = text_width;
131			}
132
133			/* Calculate new cursor position. */
134		172	new_cursor_pos = (GX_VALUE)(client.gx_rectangle_right - 1 - new_xoffset);
135		172	break;
136
137		173	case GX_STYLE_TEXT_CENTER:
138			/* Calculate new cursor position. */
139		173	new_xoffset = 0;
140		173	new_cursor_pos = (GX_VALUE)(client.gx_rectangle_left + 1 + ((client.gx_rectangle_right - client.gx_rectangle_left + 1) >> 1));
141		173	new_cursor_pos = (GX_VALUE)(new_cursor_pos - text_input -> gx_single_line_text_input_xoffset);
142		173	break;
143
144
145		293	case GX_STYLE_TEXT_LEFT:
146			default:
147		293	new_xoffset = 0;
148		293	new_cursor_pos = (GX_VALUE)(client.gx_rectangle_left + 1);
149		293	break;
150			}
151
152	✓✓	638	if (text_input -> gx_single_line_text_input_xoffset != new_xoffset)
153			{
154			/* We need to update x offset, mark whole text input area dirty. */
155		522	_gx_system_dirty_mark((GX_WIDGET *)text_input);
156			}
157			else
158			{
159	✓✓	116	if (start_mark != end_mark)
160			{
161			/* Get bounding rectangle of highlight text. */
162		16	_gx_single_line_text_input_text_rectangle_get(text_input, (INT)(start_mark - end_mark), &client);
163
164			/* Mark highlight area as dirty. */
165		16	_gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
166
167		16	mark_new_cursor_dirty = GX_TRUE;
168			}
169			else
170			{
171			/* No need to update x offset, mark old and new cursor position area dirty. */
172
173			/* Mark old curosr rectangle as dirty. */
174		100	_gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &client);
175		100	_gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
176
177		100	mark_new_cursor_dirty = GX_TRUE;
178			}
179			}
180
181			/* Update cursor position. */
182		638	cursor_ptr -> gx_text_input_cursor_pos.gx_point_x = new_cursor_pos;
183
184			/* Update character insert position. */
185		638	text_input -> gx_single_line_text_input_insert_pos = 0;
186
187			/* Update text input x offset. */
188		638	text_input -> gx_single_line_text_input_xoffset = new_xoffset;
189
190	✓✓	638	if (mark_new_cursor_dirty)
191			{
192			/* Mark new cursor rectangle as dirty. */
193		116	_gx_text_input_cursor_dirty_rectangle_get(cursor_ptr, &client);
194		116	_gx_system_dirty_partial_add((GX_WIDGET *)text_input, &client);
195			}
196
197		638	return GX_SUCCESS;
198			}
199