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 /**   Button Management (checkbox)                                        */
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 #include "gx_button.h"
31 
32 GX_CALLER_CHECKING_EXTERNS
33 
34 /**************************************************************************/
35 /*                                                                        */
36 /*  FUNCTION                                               RELEASE        */
37 /*                                                                        */
38 /*    _gxe_checkbox_event_process                         PORTABLE C      */
39 /*                                                           6.1          */
40 /*  AUTHOR                                                                */
41 /*                                                                        */
42 /*    Kenneth Maxwell, Microsoft Corporation                              */
43 /*                                                                        */
44 /*  DESCRIPTION                                                           */
45 /*                                                                        */
46 /*    This function checks for errors in the checkbox event process       */
47 /*    function call.                                                      */
48 /*                                                                        */
49 /*  INPUT                                                                 */
50 /*                                                                        */
51 /*    checkbox                              Checkbox control block        */
52 /*    event_ptr                             Incoming event to process     */
53 /*                                                                        */
54 /*  OUTPUT                                                                */
55 /*                                                                        */
56 /*    status                                Completion status             */
57 /*                                                                        */
58 /*  CALLS                                                                 */
59 /*                                                                        */
60 /*    _gx_checkbox_event_process            Actual checkbox event process */
61 /*                                            call                        */
62 /*                                                                        */
63 /*  CALLED BY                                                             */
64 /*                                                                        */
65 /*    Application Code                                                    */
66 /*                                                                        */
67 /*  RELEASE HISTORY                                                       */
68 /*                                                                        */
69 /*    DATE              NAME                      DESCRIPTION             */
70 /*                                                                        */
71 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
72 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
73 /*                                            resulting in version 6.1    */
74 /*                                                                        */
75 /**************************************************************************/
_gxe_checkbox_event_process(GX_CHECKBOX * checkbox,GX_EVENT * event_ptr)76 UINT  _gxe_checkbox_event_process(GX_CHECKBOX *checkbox, GX_EVENT *event_ptr)
77 {
78 UINT       status;
79 GX_WIDGET *parent;
80 
81     /* Check for appropriate caller.  */
82     GX_INIT_AND_THREADS_CALLER_CHECKING
83 
84     /* Check for the invalid input pointers.  */
85     if ((checkbox == GX_NULL) || (checkbox -> gx_widget_parent == GX_NULL) || (event_ptr == GX_NULL))
86     {
87         return(GX_PTR_ERROR);
88     }
89 
90     parent = checkbox -> gx_widget_parent;
91 
92     /* Check for the invalid widget.  */
93     if ((parent -> gx_widget_type == 0) ||
94         (checkbox -> gx_widget_type == 0))
95     {
96         return(GX_INVALID_WIDGET);
97     }
98 
99     /* Call the actual checkbox event process function.  */
100     status = _gx_checkbox_event_process(checkbox, event_ptr);
101 
102     /* Return completion status.  */
103     return status;
104 }
105 
106