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 /**   System Management (System)                                          */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_utility.h"
28 #include "gx_system.h"
29 #include "gx_widget.h"
30 
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _gx_system_widget_find                              PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    Kenneth Maxwell, Microsoft Corporation                              */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This service searches for the specified widget ID.                  */
45 /*                                                                        */
46 /*  INPUT                                                                 */
47 /*                                                                        */
48 /*    widget_id                            Widget ID to search for        */
49 /*    search_level                         Specifies the depth of the     */
50 /*                                           search                       */
51 /*    return_search_result                 Pointer to destination for     */
52 /*                                           widget found                 */
53 /*                                                                        */
54 /*  OUTPUT                                                                */
55 /*                                                                        */
56 /*    status                               Completion status              */
57 /*                                                                        */
58 /*  CALLS                                                                 */
59 /*                                                                        */
60 /*    _gx_widget_find                      Search throught its children   */
61 /*                                                                        */
62 /*  CALLED BY                                                             */
63 /*                                                                        */
64 /*    GUIX Application Code                                               */
65 /*                                                                        */
66 /*  RELEASE HISTORY                                                       */
67 /*                                                                        */
68 /*    DATE              NAME                      DESCRIPTION             */
69 /*                                                                        */
70 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
71 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
72 /*                                            resulting in version 6.1    */
73 /*                                                                        */
74 /**************************************************************************/
_gx_system_widget_find(USHORT widget_id,INT search_level,GX_WIDGET ** return_search_result)75 UINT _gx_system_widget_find(USHORT widget_id, INT search_level, GX_WIDGET **return_search_result)
76 {
77 
78 GX_WIDGET *test;
79 
80     /* start at first root window */
81     test = (GX_WIDGET *)_gx_system_root_window_created_list;
82 
83     while (test)
84     {
85         /* check to see if they are looking for a root window */
86         if (test -> gx_widget_id == widget_id)
87         {
88             *return_search_result = test;
89             return GX_SUCCESS;
90         }
91         /* check the children of this root window */
92         if (test -> gx_widget_first_child)
93         {
94             /* yes, check to see if the requested Id is a child */
95             if (_gx_widget_find(test, widget_id, search_level, return_search_result) == GX_SUCCESS)
96             {
97                 return GX_SUCCESS;
98             }
99         }
100         /* advance to next entry in list */
101         test = test -> gx_widget_next;
102     }
103     return GX_NOT_FOUND;
104 }
105 
106