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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_single_line_text_input_draw_position_get.c	Lines:	62	62	100.0 %
Date:	2024-12-05 08:52:37	Branches:	29	29	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"

/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gx_single_line_text_input_draw_position_get        PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This service calculates draw start position of text input text.     */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    text_input                            Single-line text input widget */
/*                                            control block.              */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _gx_context_brush_get                 Get brush of current context  */
/*    _gx_widget_border_width_get           Get widget border width       */
/*    _gx_widget_client_get                 Get widget client rectangle   */
/*    _gx_system_string_width_get           Get the width of a string     */
/*    _gx_single_line_text_input_position_update                          */
/*                                          Update cursor position by     */
/*                                            insert index                */
/*                                                                        */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    _gx_single_line_text_input_draw                                     */
/*                                                                        */
/*  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_draw_position_get(GX_SINGLE_LINE_TEXT_INPUT *text_input, GX_VALUE *xpos, GX_VALUE *ypos)
{
GX_VALUE     border_width;
UINT         text_height;
GX_VALUE     text_width;
GX_VALUE     client_height;
GX_VALUE     client_width;
GX_VALUE     x_pos;
GX_VALUE     y_pos;
GX_RECTANGLE client;
GX_BRUSH    *brush;
GX_BOOL      update_cursor_pos;
GX_STRING    string;

    _gx_context_brush_get(&brush);

    if (brush -> gx_brush_font == GX_NULL)
    {
        return(GX_FAILURE);
    }

    if (text_input -> gx_widget_style & GX_STYLE_CURSOR_ALWAYS)
    {
        update_cursor_pos = GX_TRUE;
    }
    else
    {
        update_cursor_pos = GX_FALSE;
    }

    /* Pickup widget width. */
    _gx_widget_border_width_get((GX_WIDGET *)text_input, &border_width);

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

    client_width = (GX_VALUE)(client.gx_rectangle_right - client.gx_rectangle_left + 1);
    client_height = (GX_VALUE)(client.gx_rectangle_bottom - client.gx_rectangle_top + 1);


    text_height = brush -> gx_brush_font -> gx_font_line_height;
    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(brush -> gx_brush_font, &string, &text_width);

    switch (text_input -> gx_widget_style & GX_STYLE_TEXT_ALIGNMENT_MASK)
    {
    case GX_STYLE_TEXT_RIGHT:
        x_pos = (GX_VALUE)(client.gx_rectangle_right - 1);

        x_pos = (GX_VALUE)(x_pos - text_input -> gx_single_line_text_input_xoffset);

        if (text_width < (client_width - 3))
        {
            /* Text width is shorter than client width. */
            if (text_input -> gx_single_line_text_input_xoffset != text_width)
            {
                /* If xoffset is not equal to text width,
                   reset xoffset and update cursor position. */
                text_input -> gx_single_line_text_input_xoffset = text_width;
                update_cursor_pos = GX_TRUE;
            }
        }
        else if (x_pos > client.gx_rectangle_left + 1)
        {
            /* If text start/end position is inside client area,
               reset xoffset value and update cursor position. */
            text_input -> gx_single_line_text_input_xoffset = text_width;
            update_cursor_pos = GX_TRUE;
        }

        x_pos = (GX_VALUE)(client.gx_rectangle_right - 1);
        break;

    case GX_STYLE_TEXT_CENTER:
        x_pos = (GX_VALUE)(client.gx_rectangle_left + 1 + (client_width >> 1));
        x_pos = (GX_VALUE)(x_pos - text_input -> gx_single_line_text_input_xoffset);

        if (text_width < (client_width - 3))
        {
            /* Text width is shorter than client width. */
            if (text_input -> gx_single_line_text_input_xoffset != ((text_width + 1) >> 1))
            {
                /* If xoffset is not equal to 0,
                   reset xoffset value and update cursor position. */
                text_input -> gx_single_line_text_input_xoffset = (GX_VALUE)((text_width + 1) >> 1);
                update_cursor_pos = GX_TRUE;
            }
        }
        else if ((x_pos > client.gx_rectangle_left + 1) ||
                 (x_pos + text_width < client.gx_rectangle_right - 1))
        {
            /* If text start/end position is inside client area,
               reset xoffset value and update cursor position. */
            text_input -> gx_single_line_text_input_xoffset = (GX_VALUE)((text_width + 1) >> 1);
            update_cursor_pos = GX_TRUE;
        }
        x_pos = (GX_VALUE)(client.gx_rectangle_left + 1 + (client_width >> 1));
        break;

    case GX_STYLE_TEXT_LEFT:
    default:
        x_pos = (GX_VALUE)(client.gx_rectangle_left + 1);

        x_pos = (GX_VALUE)(x_pos - text_input -> gx_single_line_text_input_xoffset);

        if (text_width < (client_width - 3))
        {
            /* Text width is shorter than client width. */
            if (text_input -> gx_single_line_text_input_xoffset != 0)
            {
                /* If xoffset is not equal to 0,
                   reset xoffset value and update cursor position. */
                text_input -> gx_single_line_text_input_xoffset = 0;
                update_cursor_pos = GX_TRUE;
            }
        }
        else if (x_pos + text_width < client.gx_rectangle_right - 1)
        {
            /* If text start/end position is inside client area,
               reset xoffset value and update cursor position. */
            text_input -> gx_single_line_text_input_xoffset = 0;
            update_cursor_pos = GX_TRUE;
        }

        x_pos = (GX_VALUE)(client.gx_rectangle_left + 1);
        break;
    }

    if (update_cursor_pos)
    {
        _gx_single_line_text_input_position_update(text_input);
    }

    x_pos = (GX_VALUE)(x_pos - text_input -> gx_single_line_text_input_xoffset);

    y_pos = (GX_VALUE)(text_input -> gx_widget_size.gx_rectangle_top + border_width);
    y_pos = (GX_VALUE)(y_pos - text_input -> gx_single_line_text_input_yoffset);
    y_pos = (GX_VALUE)(y_pos + (GX_VALUE)(((INT)client_height - (INT)text_height) >> 1));

    *xpos = x_pos;
    *ypos = y_pos;

    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
32			/**************************************************************************/
33			/* */
34			/* FUNCTION RELEASE */
35			/* */
36			/* _gx_single_line_text_input_draw_position_get PORTABLE C */
37			/* 6.1 */
38			/* AUTHOR */
39			/* */
40			/* Kenneth Maxwell, Microsoft Corporation */
41			/* */
42			/* DESCRIPTION */
43			/* */
44			/* This service calculates draw start position of text input text. */
45			/* */
46			/* INPUT */
47			/* */
48			/* text_input Single-line text input widget */
49			/* control block. */
50			/* */
51			/* OUTPUT */
52			/* */
53			/* None */
54			/* */
55			/* CALLS */
56			/* */
57			/* _gx_context_brush_get Get brush of current context */
58			/* _gx_widget_border_width_get Get widget border width */
59			/* _gx_widget_client_get Get widget client rectangle */
60			/* _gx_system_string_width_get Get the width of a string */
61			/* _gx_single_line_text_input_position_update */
62			/* Update cursor position by */
63			/* insert index */
64			/* */
65			/* */
66			/* CALLED BY */
67			/* */
68			/* _gx_single_line_text_input_draw */
69			/* */
70			/* RELEASE HISTORY */
71			/* */
72			/* DATE NAME DESCRIPTION */
73			/* */
74			/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
75			/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
76			/* resulting in version 6.1 */
77			/* */
78			/**************************************************************************/
79		50741	UINT _gx_single_line_text_input_draw_position_get(GX_SINGLE_LINE_TEXT_INPUT text_input, GX_VALUE xpos, GX_VALUE *ypos)
80			{
81			GX_VALUE border_width;
82			UINT text_height;
83			GX_VALUE text_width;
84			GX_VALUE client_height;
85			GX_VALUE client_width;
86			GX_VALUE x_pos;
87			GX_VALUE y_pos;
88			GX_RECTANGLE client;
89			GX_BRUSH *brush;
90			GX_BOOL update_cursor_pos;
91			GX_STRING string;
92
93		50741	_gx_context_brush_get(&brush);
94
95	✓✓	50741	if (brush -> gx_brush_font == GX_NULL)
96			{
97		7	return(GX_FAILURE);
98			}
99
100	✓✓	50734	if (text_input -> gx_widget_style & GX_STYLE_CURSOR_ALWAYS)
101			{
102		11905	update_cursor_pos = GX_TRUE;
103			}
104			else
105			{
106		38829	update_cursor_pos = GX_FALSE;
107			}
108
109			/* Pickup widget width. */
110		50734	_gx_widget_border_width_get((GX_WIDGET *)text_input, &border_width);
111
112		50734	_gx_widget_client_get((GX_WIDGET *)text_input, border_width, &client);
113
114		50734	client_width = (GX_VALUE)(client.gx_rectangle_right - client.gx_rectangle_left + 1);
115		50734	client_height = (GX_VALUE)(client.gx_rectangle_bottom - client.gx_rectangle_top + 1);
116
117
118		50734	text_height = brush -> gx_brush_font -> gx_font_line_height;
119		50734	string.gx_string_ptr = text_input -> gx_single_line_text_input_buffer;
120		50734	string.gx_string_length = text_input -> gx_single_line_text_input_string_size;
121		50734	_gx_system_string_width_get_ext(brush -> gx_brush_font, &string, &text_width);
122
123	✓✓✓	50734	switch (text_input -> gx_widget_style & GX_STYLE_TEXT_ALIGNMENT_MASK)
124			{
125		3931	case GX_STYLE_TEXT_RIGHT:
126		3931	x_pos = (GX_VALUE)(client.gx_rectangle_right - 1);
127
128		3931	x_pos = (GX_VALUE)(x_pos - text_input -> gx_single_line_text_input_xoffset);
129
130	✓✓	3931	if (text_width < (client_width - 3))
131			{
132			/* Text width is shorter than client width. */
133	✓✓	689	if (text_input -> gx_single_line_text_input_xoffset != text_width)
134			{
135			/* If xoffset is not equal to text width,
136			reset xoffset and update cursor position. */
137		84	text_input -> gx_single_line_text_input_xoffset = text_width;
138		84	update_cursor_pos = GX_TRUE;
139			}
140			}
141	✓✓	3242	else if (x_pos > client.gx_rectangle_left + 1)
142			{
143			/* If text start/end position is inside client area,
144			reset xoffset value and update cursor position. */
145		157	text_input -> gx_single_line_text_input_xoffset = text_width;
146		157	update_cursor_pos = GX_TRUE;
147			}
148
149		3931	x_pos = (GX_VALUE)(client.gx_rectangle_right - 1);
150		3931	break;
151
152		6492	case GX_STYLE_TEXT_CENTER:
153		6492	x_pos = (GX_VALUE)(client.gx_rectangle_left + 1 + (client_width >> 1));
154		6492	x_pos = (GX_VALUE)(x_pos - text_input -> gx_single_line_text_input_xoffset);
155
156	✓✓	6492	if (text_width < (client_width - 3))
157			{
158			/* Text width is shorter than client width. */
159	✓✓	1066	if (text_input -> gx_single_line_text_input_xoffset != ((text_width + 1) >> 1))
160			{
161			/* If xoffset is not equal to 0,
162			reset xoffset value and update cursor position. */
163		67	text_input -> gx_single_line_text_input_xoffset = (GX_VALUE)((text_width + 1) >> 1);
164		67	update_cursor_pos = GX_TRUE;
165			}
166			}
167	✓✓	5426	else if ((x_pos > client.gx_rectangle_left + 1) \|\|
168	✓✓	5108	(x_pos + text_width < client.gx_rectangle_right - 1))
169			{
170			/* If text start/end position is inside client area,
171			reset xoffset value and update cursor position. */
172		319	text_input -> gx_single_line_text_input_xoffset = (GX_VALUE)((text_width + 1) >> 1);
173		319	update_cursor_pos = GX_TRUE;
174			}
175		6492	x_pos = (GX_VALUE)(client.gx_rectangle_left + 1 + (client_width >> 1));
176		6492	break;
177
178		40311	case GX_STYLE_TEXT_LEFT:
179			default:
180		40311	x_pos = (GX_VALUE)(client.gx_rectangle_left + 1);
181
182		40311	x_pos = (GX_VALUE)(x_pos - text_input -> gx_single_line_text_input_xoffset);
183
184	✓✓	40311	if (text_width < (client_width - 3))
185			{
186			/* Text width is shorter than client width. */
187	✓✓	33486	if (text_input -> gx_single_line_text_input_xoffset != 0)
188			{
189			/* If xoffset is not equal to 0,
190			reset xoffset value and update cursor position. */
191		2	text_input -> gx_single_line_text_input_xoffset = 0;
192		2	update_cursor_pos = GX_TRUE;
193			}
194			}
195	✓✓	6825	else if (x_pos + text_width < client.gx_rectangle_right - 1)
196			{
197			/* If text start/end position is inside client area,
198			reset xoffset value and update cursor position. */
199		1	text_input -> gx_single_line_text_input_xoffset = 0;
200		1	update_cursor_pos = GX_TRUE;
201			}
202
203		40311	x_pos = (GX_VALUE)(client.gx_rectangle_left + 1);
204		40311	break;
205			}
206
207	✓✓	50734	if (update_cursor_pos)
208			{
209		12160	_gx_single_line_text_input_position_update(text_input);
210			}
211
212		50734	x_pos = (GX_VALUE)(x_pos - text_input -> gx_single_line_text_input_xoffset);
213
214		50734	y_pos = (GX_VALUE)(text_input -> gx_widget_size.gx_rectangle_top + border_width);
215		50734	y_pos = (GX_VALUE)(y_pos - text_input -> gx_single_line_text_input_yoffset);
216		50734	y_pos = (GX_VALUE)(y_pos + (GX_VALUE)(((INT)client_height - (INT)text_height) >> 1));
217
218		50734	*xpos = x_pos;
219		50734	*ypos = y_pos;
220
221		50734	return GX_SUCCESS;
222			}
223