GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: gx_tree_view_position.c Lines: 51 51 100.0 %
Date: 2026-03-06 19:21:09 Branches: 28 28 100.0 %

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
/**   Tree View Management (View)                                         */
19
/**                                                                       */
20
/**************************************************************************/
21
22
#define GX_SOURCE_CODE
23
24
25
/* Include necessary system files.  */
26
27
#include "gx_api.h"
28
#include "gx_menu.h"
29
#include "gx_widget.h"
30
#include "gx_system.h"
31
#include "gx_tree_view.h"
32
#include "gx_window.h"
33
#include "gx_scrollbar.h"
34
35
/**************************************************************************/
36
/*                                                                        */
37
/*  FUNCTION                                               RELEASE        */
38
/*                                                                        */
39
/*    _gx_tree_view_position                              PORTABLE C      */
40
/*                                                           6.1          */
41
/*  AUTHOR                                                                */
42
/*                                                                        */
43
/*    Kenneth Maxwell, Microsoft Corporation                              */
44
/*                                                                        */
45
/*  DESCRIPTION                                                           */
46
/*                                                                        */
47
/*    This function positions a tree menu.                                */
48
/*                                                                        */
49
/*  INPUT                                                                 */
50
/*                                                                        */
51
/*    tree                                  Tree view control block       */
52
/*                                                                        */
53
/*  OUTPUT                                                                */
54
/*                                                                        */
55
/*    status                                Completion status             */
56
/*                                                                        */
57
/*  CALLS                                                                 */
58
/*                                                                        */
59
/*    _gx_widget_first_client_child_get     Get the first client child    */
60
/*    _gx_widget_next_client_child_get      Get the next client child     */
61
/*    _gx_widget_height_get                 Get widget height             */
62
/*    _gx_widget_width_get                  Get widget width              */
63
/*    _gx_widget_resize                     Resize a widget               */
64
/*    _gx_menu_position                     Position a menu widget        */
65
/*    _gx_window_scrollbar_find             Find scrollbar for a window   */
66
/*    _gx_scrollbar_reset                   Reset scrollbar information   */
67
/*    _gx_widget_hide                       Hide a widget                 */
68
/*    _gx_widget_show                       Show a widget                 */
69
/*                                                                        */
70
/*  CALLED BY                                                             */
71
/*                                                                        */
72
/*    Application Code                                                    */
73
/*    GUIX Internal Code                                                  */
74
/*                                                                        */
75
/**************************************************************************/
76
68
UINT  _gx_tree_view_position(GX_TREE_VIEW *tree)
77
{
78
GX_WIDGET    *child;
79
GX_RECTANGLE  size;
80
GX_RECTANGLE *client;
81
GX_VALUE      height;
82
GX_VALUE      width;
83
GX_VALUE      bottom;
84
68
GX_VALUE      max_right = 0;
85
GX_MENU_LIST *list;
86
GX_SCROLLBAR *scroll;
87
88
68
    client = &tree -> gx_window_client;
89
90
68
    size.gx_rectangle_left = (GX_VALUE)(client -> gx_rectangle_left + tree -> gx_tree_view_indentation + tree -> gx_tree_view_x_shift);
91
68
    bottom = (GX_VALUE)(client -> gx_rectangle_top - 1 + tree -> gx_tree_view_y_shift);
92
93
68
    child = _gx_widget_first_client_child_get((GX_WIDGET *)tree);
94
95
    /* Reposition tree view items. */
96
447
    while (child)
97
    {
98
379
        if (child -> gx_widget_type == GX_TYPE_MENU_LIST)
99
        {
100
35
            child = _gx_widget_next_client_child_get(child);
101
35
            continue;
102
        }
103
104
344
        _gx_widget_height_get(child, &height);
105
344
        _gx_widget_width_get(child, &width);
106
344
        size.gx_rectangle_top = (GX_VALUE)(bottom + 1);
107
344
        size.gx_rectangle_bottom = (GX_VALUE)(size.gx_rectangle_top + height - 1);
108
344
        size.gx_rectangle_right = (GX_VALUE)(size.gx_rectangle_left + width - 1);
109
110
344
        _gx_widget_resize((GX_WIDGET *)child, &size);
111
112
344
        if (child -> gx_widget_type == GX_TYPE_MENU)
113
        {
114
271
            _gx_menu_position((GX_MENU *)child, tree -> gx_tree_view_indentation);
115
116
271
            list = &((GX_MENU *)child) -> gx_menu_list;
117
118

271
            if (list -> gx_widget_parent && list -> gx_widget_first_child)
119
            {
120
28
                bottom = list -> gx_widget_size.gx_rectangle_bottom;
121
122
28
                if (list -> gx_widget_size.gx_rectangle_right > max_right)
123
                {
124
27
                    max_right = list -> gx_widget_size.gx_rectangle_right;
125
                }
126
            }
127
            else
128
            {
129
243
                if (list -> gx_widget_parent)
130
                {
131
1
                    _gx_widget_detach((GX_WIDGET *)list);
132
                }
133
134
243
                bottom = size.gx_rectangle_bottom;
135
136
243
                if (size.gx_rectangle_right > max_right)
137
                {
138
57
                    max_right = size.gx_rectangle_right;
139
                }
140
            }
141
        }
142
        else
143
        {
144
73
            bottom = size.gx_rectangle_bottom;
145
        }
146
147
344
        child -> gx_widget_status &= (ULONG)(~GX_STATUS_ACCEPTS_FOCUS);
148
344
        child = _gx_widget_next_client_child_get(child);
149
    }
150
151
68
    tree -> gx_tree_view_tree_width = (GX_VALUE)(max_right - (client -> gx_rectangle_left + tree -> gx_tree_view_x_shift) + 1);
152
68
    tree -> gx_tree_view_tree_height = (GX_VALUE)(bottom - (client -> gx_rectangle_top + tree -> gx_tree_view_y_shift) + 1);
153
154
68
    _gx_window_scrollbar_find((GX_WINDOW *)tree, (USHORT)GX_TYPE_HORIZONTAL_SCROLL, &scroll);
155
156
68
    width = (GX_VALUE)(client -> gx_rectangle_right - client -> gx_rectangle_left + 1);
157
68
    height = (GX_VALUE)(client -> gx_rectangle_bottom - client -> gx_rectangle_top + 1);
158
159
68
    if (scroll)
160
    {
161
66
        _gx_scrollbar_reset(scroll, GX_NULL);
162
163
66
        if (tree -> gx_tree_view_tree_width <= width)
164
        {
165
56
            _gx_widget_hide((GX_WIDGET *)scroll);
166
        }
167
        else
168
        {
169
10
            _gx_widget_show((GX_WIDGET *)scroll);
170
        }
171
    }
172
173
68
    _gx_window_scrollbar_find((GX_WINDOW *)tree, GX_TYPE_VERTICAL_SCROLL, &scroll);
174
175
68
    if (scroll)
176
    {
177
66
        _gx_scrollbar_reset(scroll, GX_NULL);
178
179
66
        if (tree -> gx_tree_view_tree_height <= height)
180
        {
181
59
            _gx_widget_hide((GX_WIDGET *)scroll);
182
        }
183
        else
184
        {
185
7
            _gx_widget_show((GX_WIDGET *)scroll);
186
        }
187
    }
188
189
68
    if ((tree -> gx_widget_style & GX_STYLE_TREE_VIEW_SHOW_ROOT_LINES) &&
190
63
        (tree -> gx_widget_status & GX_STATUS_VISIBLE))
191
    {
192
62
        _gx_system_dirty_mark((GX_WIDGET *)tree);
193
    }
194
195
    /* Return completion status code. */
196
68
    return(GX_SUCCESS);
197
}
198