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 /**   Drop List (List)                                                    */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_drop_list.h"
28 
29 GX_CALLER_CHECKING_EXTERNS
30 
31 /**************************************************************************/
32 /*                                                                        */
33 /*  FUNCTION                                               RELEASE        */
34 /*                                                                        */
35 /*    _gxe_drop_list_event_process                        PORTABLE C      */
36 /*                                                           6.1          */
37 /*  AUTHOR                                                                */
38 /*                                                                        */
39 /*    Kenneth Maxwell, Microsoft Corporation                              */
40 /*                                                                        */
41 /*  DESCRIPTION                                                           */
42 /*                                                                        */
43 /*    This function checks for errors in the drop list event process      */
44 /*    function call.                                                      */
45 /*                                                                        */
46 /*  INPUT                                                                 */
47 /*                                                                        */
48 /*    drop_list                             Drop list widget control block*/
49 /*    event_ptr                             Pointer to event to process   */
50 /*                                                                        */
51 /*  OUTPUT                                                                */
52 /*                                                                        */
53 /*    status                                Completion status             */
54 /*                                                                        */
55 /*  CALLS                                                                 */
56 /*                                                                        */
57 /*    _gx_drop_list_event_process           Actual drop list event        */
58 /*                                            process function            */
59 /*                                                                        */
60 /*  CALLED BY                                                             */
61 /*                                                                        */
62 /*    Application 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 /**************************************************************************/
_gxe_drop_list_event_process(GX_DROP_LIST * list,GX_EVENT * event_ptr)73 UINT  _gxe_drop_list_event_process(GX_DROP_LIST *list, GX_EVENT *event_ptr)
74 {
75 UINT status;
76 
77     /* Check for appropriate caller.  */
78     GX_INIT_AND_THREADS_CALLER_CHECKING
79 
80     /* Check for invalid input pointers.  */
81     if ((list == GX_NULL) || (event_ptr == GX_NULL))
82     {
83         return GX_PTR_ERROR;
84     }
85 
86     /* Call the actual horizontal list event process function.  */
87     status = _gx_drop_list_event_process(list, event_ptr);
88 
89     /* Return completion status.  */
90     return status;
91 }
92 
93