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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_horizontal_scrollbar_create.c	Lines:	29	29	100.0 %
Date:	2026-03-06 19:21:09	Branches:	8	8	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                                                        */
/**                                                                       */
/**   Scrollbar Management (Scrollbar)                                    */
/**                                                                       */
/**************************************************************************/

#define GX_SOURCE_CODE


/* Include necessary system files.  */

#include "gx_api.h"
#include "gx_widget.h"
#include "gx_button.h"
#include "gx_utility.h"
#include "gx_scrollbar.h"
#include "gx_system.h"
#include "gx_window.h"


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gx_horizontal_scrollbar_create                     PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function creates a horizontal scrollbar.                       */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    scrollbar                             scroll control block          */
/*    name                                  name of scroll                */
/*    parent                                parent window                 */
/*    appearance                            appearance of scroll bar      */
/*    style                                 style of scroll bar           */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                                Completion status             */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _gx_utility_rectangle_define          Define a rectangle            */
/*    _gx_widget_create                     Create the underlying prompt  */
/*    _gx_system_scroll_appearance_get      Get the scrollbar appearance  */
/*    _gx_button_create                     Button create call            */
/*    [gx_window_scroll_info_get]           Retrieve window scroll info   */
/*    _gx_scroll_thumb_create               Create the thrum button       */
/*    _gx_widget_link                       Link the widget to its parent */
/*    _gx_widget_child_clipping_update      Update the clipping area      */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*                                                                        */
/**************************************************************************/
UINT  _gx_horizontal_scrollbar_create(GX_SCROLLBAR *scrollbar, GX_CONST GX_CHAR *name, GX_WINDOW *parent,
                                      GX_SCROLLBAR_APPEARANCE *appearance, ULONG style)
{

GX_RECTANGLE size;
UINT         id;

    _gx_utility_rectangle_define(&size, 0, 0, 0, 0);

    id = GX_ID_HORIZONTAL_SCROLL;

    if (appearance)
    {
        scrollbar -> gx_scrollbar_appearance = *appearance;
    }
    else
    {
        _gx_system_scroll_appearance_get(GX_SCROLLBAR_HORIZONTAL, &scrollbar -> gx_scrollbar_appearance);
    }

    /* make sure style is set correctly */
    style &= (ULONG)(~GX_SCROLLBAR_VERTICAL);
    style |= GX_SCROLLBAR_HORIZONTAL;

    /* Call the base widget create function.  */
    _gx_widget_create((GX_WIDGET *)scrollbar, name, GX_NULL, style, (USHORT)id, &size);

    /* Check for completion status on the widget's create.  */
    scrollbar -> gx_widget_type = GX_TYPE_HORIZONTAL_SCROLL;
    scrollbar -> gx_widget_normal_fill_color = GX_COLOR_ID_SCROLL_FILL;
    scrollbar -> gx_widget_selected_fill_color = GX_COLOR_ID_SCROLL_FILL;

    if (style & GX_SCROLLBAR_END_BUTTONS)
    {
        /* create the up/left button */
        _gx_button_create(&scrollbar -> gx_scrollbar_upleft, NULL, (GX_WIDGET *)scrollbar,
                          GX_STYLE_ENABLED | GX_STYLE_BORDER_RAISED, GX_ID_SCROLL_UP_LEFT, &size);

        _gx_widget_fill_color_set((GX_WIDGET *)&scrollbar -> gx_scrollbar_upleft,
                                  scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color,
                                  scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color,
                                  scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color);

        scrollbar -> gx_scrollbar_upleft.gx_widget_status &= ~GX_STATUS_ACCEPTS_FOCUS;

        /* create the down/right button */
        _gx_button_create(&scrollbar -> gx_scrollbar_downright, NULL, (GX_WIDGET *)scrollbar,
                          GX_STYLE_ENABLED | GX_STYLE_BORDER_RAISED, GX_ID_SCROLL_DOWN_RIGHT, &size);
        _gx_widget_fill_color_set((GX_WIDGET *)&scrollbar -> gx_scrollbar_downright,
                                  scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color,
                                  scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color,
                                  scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color);

        scrollbar -> gx_scrollbar_downright.gx_widget_status &= ~GX_STATUS_ACCEPTS_FOCUS;
    }

    /* create the thumb button */
    _gx_scroll_thumb_create(&scrollbar -> gx_scrollbar_thumb, scrollbar, (ULONG)((scrollbar -> gx_scrollbar_appearance.gx_scroll_thumb_border_style) | GX_SCROLLBAR_HORIZONTAL) | GX_STYLE_ENABLED);

    /* initialize the drawing function */
    scrollbar -> gx_widget_draw_function = (VOID (*)(GX_WIDGET *))_gx_scrollbar_draw;

    /* initialize the event handler function */
    scrollbar -> gx_widget_event_process_function = (UINT (*)(GX_WIDGET *, GX_EVENT *))_gx_scrollbar_event_process;

    /* scroll-bars have non-client area status and do not accept focus */

    scrollbar -> gx_widget_status |= GX_STATUS_NONCLIENT;
    scrollbar -> gx_widget_status &= ~GX_STATUS_ACCEPTS_FOCUS;

    /* Determine if a parent widget was provided.  */
    if (parent)
    {
        _gx_widget_link((GX_WIDGET *)parent, (GX_WIDGET *)scrollbar);

        if (parent -> gx_widget_status & GX_STATUS_VISIBLE)
        {
            _gx_widget_child_clipping_update((GX_WIDGET *)parent);
        }
    }

    return(GX_SUCCESS);
}



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			/** Scrollbar Management (Scrollbar) */
19			/** */
20			/**************************************************************************/
21
22			#define GX_SOURCE_CODE
23
24
25			/* Include necessary system files. */
26
27			#include "gx_api.h"
28			#include "gx_widget.h"
29			#include "gx_button.h"
30			#include "gx_utility.h"
31			#include "gx_scrollbar.h"
32			#include "gx_system.h"
33			#include "gx_window.h"
34
35
36			/**************************************************************************/
37			/* */
38			/* FUNCTION RELEASE */
39			/* */
40			/* _gx_horizontal_scrollbar_create PORTABLE C */
41			/* 6.1 */
42			/* AUTHOR */
43			/* */
44			/* Kenneth Maxwell, Microsoft Corporation */
45			/* */
46			/* DESCRIPTION */
47			/* */
48			/* This function creates a horizontal scrollbar. */
49			/* */
50			/* INPUT */
51			/* */
52			/* scrollbar scroll control block */
53			/* name name of scroll */
54			/* parent parent window */
55			/* appearance appearance of scroll bar */
56			/* style style of scroll bar */
57			/* */
58			/* OUTPUT */
59			/* */
60			/* status Completion status */
61			/* */
62			/* CALLS */
63			/* */
64			/* _gx_utility_rectangle_define Define a rectangle */
65			/* _gx_widget_create Create the underlying prompt */
66			/* _gx_system_scroll_appearance_get Get the scrollbar appearance */
67			/* _gx_button_create Button create call */
68			/* [gx_window_scroll_info_get] Retrieve window scroll info */
69			/* _gx_scroll_thumb_create Create the thrum button */
70			/* _gx_widget_link Link the widget to its parent */
71			/* _gx_widget_child_clipping_update Update the clipping area */
72			/* */
73			/* CALLED BY */
74			/* */
75			/* Application Code */
76			/* */
77			/**************************************************************************/
78		1060	UINT _gx_horizontal_scrollbar_create(GX_SCROLLBAR scrollbar, GX_CONST GX_CHAR name, GX_WINDOW *parent,
79			GX_SCROLLBAR_APPEARANCE *appearance, ULONG style)
80			{
81
82			GX_RECTANGLE size;
83			UINT id;
84
85		1060	_gx_utility_rectangle_define(&size, 0, 0, 0, 0);
86
87		1060	id = GX_ID_HORIZONTAL_SCROLL;
88
89	✓✓	1060	if (appearance)
90			{
91		1057	scrollbar -> gx_scrollbar_appearance = *appearance;
92			}
93			else
94			{
95		3	_gx_system_scroll_appearance_get(GX_SCROLLBAR_HORIZONTAL, &scrollbar -> gx_scrollbar_appearance);
96			}
97
98			/* make sure style is set correctly */
99		1060	style &= (ULONG)(~GX_SCROLLBAR_VERTICAL);
100		1060	style \|= GX_SCROLLBAR_HORIZONTAL;
101
102			/* Call the base widget create function. */
103		1060	_gx_widget_create((GX_WIDGET *)scrollbar, name, GX_NULL, style, (USHORT)id, &size);
104
105			/* Check for completion status on the widget's create. */
106		1060	scrollbar -> gx_widget_type = GX_TYPE_HORIZONTAL_SCROLL;
107		1060	scrollbar -> gx_widget_normal_fill_color = GX_COLOR_ID_SCROLL_FILL;
108		1060	scrollbar -> gx_widget_selected_fill_color = GX_COLOR_ID_SCROLL_FILL;
109
110	✓✓	1060	if (style & GX_SCROLLBAR_END_BUTTONS)
111			{
112			/* create the up/left button */
113		800	_gx_button_create(&scrollbar -> gx_scrollbar_upleft, NULL, (GX_WIDGET *)scrollbar,
114			GX_STYLE_ENABLED \| GX_STYLE_BORDER_RAISED, GX_ID_SCROLL_UP_LEFT, &size);
115
116		800	_gx_widget_fill_color_set((GX_WIDGET *)&scrollbar -> gx_scrollbar_upleft,
117			scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color,
118			scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color,
119			scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color);
120
121		800	scrollbar -> gx_scrollbar_upleft.gx_widget_status &= ~GX_STATUS_ACCEPTS_FOCUS;
122
123			/* create the down/right button */
124		800	_gx_button_create(&scrollbar -> gx_scrollbar_downright, NULL, (GX_WIDGET *)scrollbar,
125			GX_STYLE_ENABLED \| GX_STYLE_BORDER_RAISED, GX_ID_SCROLL_DOWN_RIGHT, &size);
126		800	_gx_widget_fill_color_set((GX_WIDGET *)&scrollbar -> gx_scrollbar_downright,
127			scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color,
128			scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color,
129			scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color);
130
131		800	scrollbar -> gx_scrollbar_downright.gx_widget_status &= ~GX_STATUS_ACCEPTS_FOCUS;
132			}
133
134			/* create the thumb button */
135		1060	_gx_scroll_thumb_create(&scrollbar -> gx_scrollbar_thumb, scrollbar, (ULONG)((scrollbar -> gx_scrollbar_appearance.gx_scroll_thumb_border_style) \| GX_SCROLLBAR_HORIZONTAL) \| GX_STYLE_ENABLED);
136
137			/* initialize the drawing function */
138		1060	scrollbar -> gx_widget_draw_function = (VOID ()(GX_WIDGET ))_gx_scrollbar_draw;
139
140			/* initialize the event handler function */
141		1060	scrollbar -> gx_widget_event_process_function = (UINT ()(GX_WIDGET , GX_EVENT *))_gx_scrollbar_event_process;
142
143			/* scroll-bars have non-client area status and do not accept focus */
144
145		1060	scrollbar -> gx_widget_status \|= GX_STATUS_NONCLIENT;
146		1060	scrollbar -> gx_widget_status &= ~GX_STATUS_ACCEPTS_FOCUS;
147
148			/* Determine if a parent widget was provided. */
149	✓✓	1060	if (parent)
150			{
151		1058	_gx_widget_link((GX_WIDGET )parent, (GX_WIDGET )scrollbar);
152
153	✓✓	1058	if (parent -> gx_widget_status & GX_STATUS_VISIBLE)
154			{
155		1	_gx_widget_child_clipping_update((GX_WIDGET *)parent);
156			}
157			}
158
159		1060	return(GX_SUCCESS);
160			}
161