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 /**   Menu Management (Menu)                                              */
19 /**                                                                       */
20 /**************************************************************************/
21 
22 #define GX_SOURCE_CODE
23 
24 
25 /* Include necessary system files.  */
26 
27 #include "gx_api.h"
28 #include "gx_menu.h"
29 
30 /* Bring in externs for caller checking code.  */
31 GX_CALLER_CHECKING_EXTERNS
32 
33 /**************************************************************************/
34 /*                                                                        */
35 /*  FUNCTION                                               RELEASE        */
36 /*                                                                        */
37 /*    _gxe_menu_event_process                             PORTABLE C      */
38 /*                                                           6.1.3        */
39 /*  AUTHOR                                                                */
40 /*                                                                        */
41 /*    Kenneth Maxwell, Microsoft Corporation                              */
42 /*                                                                        */
43 /*  DESCRIPTION                                                           */
44 /*                                                                        */
45 /*    This function checks for errors in the menu event process           */
46 /*    function call.                                                      */
47 /*                                                                        */
48 /*  INPUT                                                                 */
49 /*                                                                        */
50 /*    menu                                  Pointer to menu control       */
51 /*                                            block                       */
52 /*    event_ptr                             Incoming event to process     */
53 /*                                                                        */
54 /*  OUTPUT                                                                */
55 /*                                                                        */
56 /*    status                                Completion status             */
57 /*                                                                        */
58 /*  CALLS                                                                 */
59 /*                                                                        */
60 /*    _gx_menu_event_process                Actual menu event process     */
61 /*                                            function                    */
62 /*                                                                        */
63 /*  CALLED BY                                                             */
64 /*                                                                        */
65 /*    Application Code                                                    */
66 /*                                                                        */
67 /*  RELEASE HISTORY                                                       */
68 /*                                                                        */
69 /*    DATE              NAME                      DESCRIPTION             */
70 /*                                                                        */
71 /*  12-31-2020     Kenneth Maxwell          Initial Version 6.1.3         */
72 /*                                                                        */
73 /**************************************************************************/
_gxe_menu_event_process(GX_MENU * menu,GX_EVENT * event_ptr)74 UINT  _gxe_menu_event_process(GX_MENU *menu, GX_EVENT *event_ptr)
75 {
76 UINT status;
77 
78     /* Check for appropriate caller.  */
79     GX_INIT_AND_THREADS_CALLER_CHECKING
80 
81     /* Check for invalid input pointers.  */
82     if ((menu == GX_NULL) || (event_ptr == GX_NULL))
83     {
84         return(GX_PTR_ERROR);
85     }
86 
87     /* Check for invalid widget.  */
88     if (menu -> gx_widget_type == 0)
89     {
90         return(GX_INVALID_WIDGET);
91     }
92 
93     /* Call actual menu event process function.  */
94     status = _gx_menu_event_process(menu, event_ptr);
95 
96     /* Return successful completion.  */
97     return(status);
98 }
99 
100