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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_vertical_scrollbar_create.c	Lines:	30	30	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_vertical_scrollbar_create                       PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This service creates a vertical scrollbar.                          */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    scrollbar                             Scrollbar control block       */
/*    name                                  Name of scrollbar             */
/*    parent                                Pointer to parent widget      */
/*    appearance                            Appearance of vertical        */
/*                                            scrollbar widget            */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                                Completion status             */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _gx_utility_rectangle_define          Define a rectangle            */
/*    _gx_system_scroll_appearance_get      Retrieve scroll bar settings  */
/*    _gx_button_create                     Create a button               */
/*    _gx_widget_status_add                 Set status bit                */
/*    _gx_widget_status_remove              Remove status bit             */
/*    [gx_window_scroll_info_get]           Retrieve widget scroll info   */
/*    _gx_scroll_thumb_create               Create scroll thumb image     */
/*    _gx_pixelmap_transparent_detect       Detect whether or not a       */
/*                                            pixelmap contains           */
/*                                            transparency information    */
/*    _gx_widget_link                       Link a widget to its parent   */
/*    _gx_widget_child_clipping_update      Update child clipping info    */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*                                                                        */
/**************************************************************************/
UINT  _gx_vertical_scrollbar_create(GX_SCROLLBAR *scrollbar, GX_CONST GX_CHAR *name,
                                    GX_WINDOW *parent, GX_SCROLLBAR_APPEARANCE *appearance, ULONG style)
{

GX_RECTANGLE size;
USHORT       id;

    _gx_utility_rectangle_define(&size, 0, 0, 0, 0);
    id = GX_ID_VERTICAL_SCROLL;

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

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

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

    scrollbar -> gx_widget_type = GX_TYPE_VERTICAL_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;
    }

    /* 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;

    /* 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_VERTICAL) | 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;

    /* 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_vertical_scrollbar_create PORTABLE C */
41			/* 6.1 */
42			/* AUTHOR */
43			/* */
44			/* Kenneth Maxwell, Microsoft Corporation */
45			/* */
46			/* DESCRIPTION */
47			/* */
48			/* This service creates a vertical scrollbar. */
49			/* */
50			/* INPUT */
51			/* */
52			/* scrollbar Scrollbar control block */
53			/* name Name of scrollbar */
54			/* parent Pointer to parent widget */
55			/* appearance Appearance of vertical */
56			/* scrollbar widget */
57			/* */
58			/* OUTPUT */
59			/* */
60			/* status Completion status */
61			/* */
62			/* CALLS */
63			/* */
64			/* _gx_utility_rectangle_define Define a rectangle */
65			/* _gx_system_scroll_appearance_get Retrieve scroll bar settings */
66			/* _gx_button_create Create a button */
67			/* _gx_widget_status_add Set status bit */
68			/* _gx_widget_status_remove Remove status bit */
69			/* [gx_window_scroll_info_get] Retrieve widget scroll info */
70			/* _gx_scroll_thumb_create Create scroll thumb image */
71			/* _gx_pixelmap_transparent_detect Detect whether or not a */
72			/* pixelmap contains */
73			/* transparency information */
74			/* _gx_widget_link Link a widget to its parent */
75			/* _gx_widget_child_clipping_update Update child clipping info */
76			/* */
77			/* CALLED BY */
78			/* */
79			/* Application Code */
80			/* */
81			/**************************************************************************/
82		1603	UINT _gx_vertical_scrollbar_create(GX_SCROLLBAR scrollbar, GX_CONST GX_CHAR name,
83			GX_WINDOW parent, GX_SCROLLBAR_APPEARANCE appearance, ULONG style)
84			{
85
86			GX_RECTANGLE size;
87			USHORT id;
88
89		1603	_gx_utility_rectangle_define(&size, 0, 0, 0, 0);
90		1603	id = GX_ID_VERTICAL_SCROLL;
91
92	✓✓	1603	if (appearance)
93			{
94		1104	scrollbar -> gx_scrollbar_appearance = *appearance;
95			}
96			else
97			{
98		499	_gx_system_scroll_appearance_get(GX_SCROLLBAR_VERTICAL, &scrollbar -> gx_scrollbar_appearance);
99			}
100
101			/* make sure style is set correctly */
102		1603	style &= (ULONG)(~GX_SCROLLBAR_HORIZONTAL);
103		1603	style \|= GX_SCROLLBAR_VERTICAL;
104
105			/* Call the base widget create function. */
106		1603	_gx_widget_create((GX_WIDGET *)scrollbar, name, GX_NULL, style, id, &size);
107
108		1603	scrollbar -> gx_widget_type = GX_TYPE_VERTICAL_SCROLL;
109		1603	scrollbar -> gx_widget_normal_fill_color = GX_COLOR_ID_SCROLL_FILL;
110		1603	scrollbar -> gx_widget_selected_fill_color = GX_COLOR_ID_SCROLL_FILL;
111
112	✓✓	1603	if (style & GX_SCROLLBAR_END_BUTTONS)
113			{
114			/* create the up/left button */
115		1591	_gx_button_create(&scrollbar -> gx_scrollbar_upleft, NULL, (GX_WIDGET *)scrollbar,
116			GX_STYLE_ENABLED \| GX_STYLE_BORDER_RAISED, GX_ID_SCROLL_UP_LEFT, &size);
117		1591	_gx_widget_fill_color_set((GX_WIDGET *)&scrollbar -> gx_scrollbar_upleft,
118			scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color,
119			scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color,
120			scrollbar -> gx_scrollbar_appearance.gx_scroll_button_color);
121		1591	scrollbar -> gx_scrollbar_upleft.gx_widget_status &= ~GX_STATUS_ACCEPTS_FOCUS;
122
123			/* create the down/right button */
124		1591	_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		1591	_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		1591	scrollbar -> gx_scrollbar_downright.gx_widget_status &= ~GX_STATUS_ACCEPTS_FOCUS;
131			}
132
133			/* scroll-bars have non-client area status and do not accept focus */
134		1603	scrollbar -> gx_widget_status \|= GX_STATUS_NONCLIENT;
135		1603	scrollbar -> gx_widget_status &= ~GX_STATUS_ACCEPTS_FOCUS;
136
137			/* create the thumb button */
138		1603	_gx_scroll_thumb_create(&scrollbar -> gx_scrollbar_thumb, scrollbar,
139		1603	(ULONG)((scrollbar -> gx_scrollbar_appearance.gx_scroll_thumb_border_style) \| GX_SCROLLBAR_VERTICAL) \| GX_STYLE_ENABLED);
140
141			/* initialize the drawing function */
142		1603	scrollbar -> gx_widget_draw_function = (VOID ()(GX_WIDGET ))_gx_scrollbar_draw;
143
144			/* initialize the event handler function */
145		1603	scrollbar -> gx_widget_event_process_function = (UINT ()(GX_WIDGET , GX_EVENT *))_gx_scrollbar_event_process;
146
147			/* Determine if a parent widget was provided. */
148	✓✓	1603	if (parent)
149			{
150		1602	_gx_widget_link((GX_WIDGET )parent, (GX_WIDGET )scrollbar);
151
152	✓✓	1602	if (parent -> gx_widget_status & GX_STATUS_VISIBLE)
153			{
154		2	_gx_widget_child_clipping_update((GX_WIDGET *)parent);
155			}
156			}
157
158		1603	return(GX_SUCCESS);
159			}
160