1 /**************************************************************************/
2 /* */
3 /* Copyright (c) Microsoft Corporation. All rights reserved. */
4 /* */
5 /* This software is licensed under the Microsoft Software License */
6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */
7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
8 /* and in the root directory of this software. */
9 /* */
10 /**************************************************************************/
11
12
13 /**************************************************************************/
14 /**************************************************************************/
15 /** */
16 /** GUIX Component */
17 /** */
18 /** Widget Management (Widget) */
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
30 /**************************************************************************/
31 /* */
32 /* FUNCTION RELEASE */
33 /* */
34 /* _gx_first_client_child_get PORTABLE C */
35 /* 6.1 */
36 /* AUTHOR */
37 /* */
38 /* Kenneth Maxwell, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This function get the first client child. */
43 /* */
44 /* INPUT */
45 /* */
46 /* parent Pointer to parent widget */
47 /* */
48 /* OUTPUT */
49 /* */
50 /* test First client child */
51 /* */
52 /* CALLS */
53 /* */
54 /* None */
55 /* */
56 /* CALLED BY */
57 /* */
58 /* _gx_drop_list_event_process */
59 /* _gx_horizontal_list_event_process */
60 /* _gx_horizontal_list_left_wrap */
61 /* _gx_horizontal_list_right_wrap */
62 /* _gx_horizontal_list_scroll_info_get */
63 /* _gx_horizontal_list_slide_back_check */
64 /* _gx_vertical_list_down_wrap */
65 /* _gx_vertical_list_event_process */
66 /* _gx_vertical_list_scroll_info_get */
67 /* _gx_vertical_list_slide_back_check */
68 /* _gx_vertical_list_up_wrap */
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 /**************************************************************************/
_gx_widget_first_client_child_get(GX_WIDGET * parent)79 GX_WIDGET *_gx_widget_first_client_child_get(GX_WIDGET *parent)
80 {
81 GX_WIDGET *test = parent -> gx_widget_first_child;
82
83 while (test && (test -> gx_widget_status & GX_STATUS_NONCLIENT))
84 {
85 test = test -> gx_widget_next;
86 }
87 return test;
88 }
89
90 /**************************************************************************/
91 /* */
92 /* FUNCTION RELEASE */
93 /* */
94 /* _gx_first_visible_client_child_get PORTABLE C */
95 /* 6.1.7 */
96 /* AUTHOR */
97 /* */
98 /* Ting Zhu, Microsoft Corporation */
99 /* */
100 /* DESCRIPTION */
101 /* */
102 /* This function get the first client child that is visible. */
103 /* */
104 /* INPUT */
105 /* */
106 /* parent Pointer to parent widget */
107 /* */
108 /* OUTPUT */
109 /* */
110 /* test First visible client child */
111 /* */
112 /* CALLS */
113 /* */
114 /* None */
115 /* */
116 /* CALLED BY */
117 /* */
118 /* GUIX Internal Code */
119 /* */
120 /* RELEASE HISTORY */
121 /* */
122 /* DATE NAME DESCRIPTION */
123 /* */
124 /* 06-02-2021 Ting Zhu Initial Version 6.1.7 */
125 /* */
126 /**************************************************************************/
_gx_widget_first_visible_client_child_get(GX_WIDGET * parent)127 GX_WIDGET *_gx_widget_first_visible_client_child_get(GX_WIDGET *parent)
128 {
129 GX_WIDGET *test = parent -> gx_widget_first_child;
130
131 while (test)
132 {
133 if (!(test -> gx_widget_status & GX_STATUS_NONCLIENT) &&
134 (test -> gx_widget_status & GX_STATUS_VISIBLE))
135 {
136
137 /* Find the first child that is client and visible. */
138 return test;
139 }
140
141 test = test -> gx_widget_next;
142 }
143
144 return GX_NULL;
145 }
146
147
