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_system.h"
29 #include "gx_widget.h"
30
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _gx_widget_focus_next PORTABLE C */
37 /* 6.1 */
38 /* AUTHOR */
39 /* */
40 /* Kenneth Maxwell, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function moves input focus to the next widget in the */
45 /* navigation order. */
46 /* */
47 /* INPUT */
48 /* */
49 /* widget Widget control block */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* status Completion status */
54 /* */
55 /* CALLS */
56 /* */
57 /* _gx_system_focus_claim */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* Application Code */
62 /* GUIX Internal Code */
63 /* */
64 /* RELEASE HISTORY */
65 /* */
66 /* DATE NAME DESCRIPTION */
67 /* */
68 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
69 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
70 /* resulting in version 6.1 */
71 /* */
72 /**************************************************************************/
_gx_widget_focus_next(GX_WIDGET * start)73 UINT _gx_widget_focus_next(GX_WIDGET *start)
74 {
75 GX_WIDGET *next;
76
77 if (start)
78 {
79 next = start -> gx_widget_nav_next;
80
81 if (next)
82 {
83 _gx_system_focus_claim(next);
84 return GX_SUCCESS;
85 }
86 }
87 return GX_FAILURE;
88 }
89
90