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 /** Widget Management (Widget) */
18 /** */
19 /**************************************************************************/
20
21 #define GX_SOURCE_CODE
22
23
24 /* Include necessary system files. */
25
26 #include "gx_api.h"
27 #include "gx_widget.h"
28
29 /**************************************************************************/
30 /* */
31 /* FUNCTION RELEASE */
32 /* */
33 /* _gx_first_client_child_get PORTABLE C */
34 /* 6.1 */
35 /* AUTHOR */
36 /* */
37 /* Kenneth Maxwell, Microsoft Corporation */
38 /* */
39 /* DESCRIPTION */
40 /* */
41 /* This function get the first client child. */
42 /* */
43 /* INPUT */
44 /* */
45 /* parent Pointer to parent widget */
46 /* */
47 /* OUTPUT */
48 /* */
49 /* test First client child */
50 /* */
51 /* CALLS */
52 /* */
53 /* None */
54 /* */
55 /* CALLED BY */
56 /* */
57 /* _gx_drop_list_event_process */
58 /* _gx_horizontal_list_event_process */
59 /* _gx_horizontal_list_left_wrap */
60 /* _gx_horizontal_list_right_wrap */
61 /* _gx_horizontal_list_scroll_info_get */
62 /* _gx_horizontal_list_slide_back_check */
63 /* _gx_vertical_list_down_wrap */
64 /* _gx_vertical_list_event_process */
65 /* _gx_vertical_list_scroll_info_get */
66 /* _gx_vertical_list_slide_back_check */
67 /* _gx_vertical_list_up_wrap */
68 /* */
69 /* RELEASE HISTORY */
70 /* */
71 /* DATE NAME DESCRIPTION */
72 /* */
73 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
74 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
75 /* resulting in version 6.1 */
76 /* */
77 /**************************************************************************/
_gx_widget_first_client_child_get(GX_WIDGET * parent)78 GX_WIDGET *_gx_widget_first_client_child_get(GX_WIDGET *parent)
79 {
80 GX_WIDGET *test = parent -> gx_widget_first_child;
81
82 while (test && (test -> gx_widget_status & GX_STATUS_NONCLIENT))
83 {
84 test = test -> gx_widget_next;
85 }
86 return test;
87 }
88
89 /**************************************************************************/
90 /* */
91 /* FUNCTION RELEASE */
92 /* */
93 /* _gx_first_visible_client_child_get PORTABLE C */
94 /* 6.1.7 */
95 /* AUTHOR */
96 /* */
97 /* Ting Zhu, Microsoft Corporation */
98 /* */
99 /* DESCRIPTION */
100 /* */
101 /* This function get the first client child that is visible. */
102 /* */
103 /* INPUT */
104 /* */
105 /* parent Pointer to parent widget */
106 /* */
107 /* OUTPUT */
108 /* */
109 /* test First visible client child */
110 /* */
111 /* CALLS */
112 /* */
113 /* None */
114 /* */
115 /* CALLED BY */
116 /* */
117 /* GUIX Internal Code */
118 /* */
119 /* RELEASE HISTORY */
120 /* */
121 /* DATE NAME DESCRIPTION */
122 /* */
123 /* 06-02-2021 Ting Zhu Initial Version 6.1.7 */
124 /* */
125 /**************************************************************************/
_gx_widget_first_visible_client_child_get(GX_WIDGET * parent)126 GX_WIDGET *_gx_widget_first_visible_client_child_get(GX_WIDGET *parent)
127 {
128 GX_WIDGET *test = parent -> gx_widget_first_child;
129
130 while (test)
131 {
132 if (!(test -> gx_widget_status & GX_STATUS_NONCLIENT) &&
133 (test -> gx_widget_status & GX_STATUS_VISIBLE))
134 {
135
136 /* Find the first child that is client and visible. */
137 return test;
138 }
139
140 test = test -> gx_widget_next;
141 }
142
143 return GX_NULL;
144 }
145
146
