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 /**   Button Management (checkbox)                                        */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_system.h"
28 #include "gx_widget.h"
29 #include "gx_button.h"
30 
31 GX_CALLER_CHECKING_EXTERNS
32 
33 /**************************************************************************/
34 /*                                                                        */
35 /*  FUNCTION                                               RELEASE        */
36 /*                                                                        */
37 /*    _gxe_checkbox_event_process                         PORTABLE C      */
38 /*                                                           6.1          */
39 /*  AUTHOR                                                                */
40 /*                                                                        */
41 /*    Kenneth Maxwell, Microsoft Corporation                              */
42 /*                                                                        */
43 /*  DESCRIPTION                                                           */
44 /*                                                                        */
45 /*    This function checks for errors in the checkbox event process       */
46 /*    function call.                                                      */
47 /*                                                                        */
48 /*  INPUT                                                                 */
49 /*                                                                        */
50 /*    checkbox                              Checkbox control block        */
51 /*    event_ptr                             Incoming event to process     */
52 /*                                                                        */
53 /*  OUTPUT                                                                */
54 /*                                                                        */
55 /*    status                                Completion status             */
56 /*                                                                        */
57 /*  CALLS                                                                 */
58 /*                                                                        */
59 /*    _gx_checkbox_event_process            Actual checkbox event process */
60 /*                                            call                        */
61 /*                                                                        */
62 /*  CALLED BY                                                             */
63 /*                                                                        */
64 /*    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 /**************************************************************************/
_gxe_checkbox_event_process(GX_CHECKBOX * checkbox,GX_EVENT * event_ptr)75 UINT  _gxe_checkbox_event_process(GX_CHECKBOX *checkbox, GX_EVENT *event_ptr)
76 {
77 UINT       status;
78 GX_WIDGET *parent;
79 
80     /* Check for appropriate caller.  */
81     GX_INIT_AND_THREADS_CALLER_CHECKING
82 
83     /* Check for the invalid input pointers.  */
84     if ((checkbox == GX_NULL) || (checkbox -> gx_widget_parent == GX_NULL) || (event_ptr == GX_NULL))
85     {
86         return(GX_PTR_ERROR);
87     }
88 
89     parent = checkbox -> gx_widget_parent;
90 
91     /* Check for the invalid widget.  */
92     if ((parent -> gx_widget_type == 0) ||
93         (checkbox -> gx_widget_type == 0))
94     {
95         return(GX_INVALID_WIDGET);
96     }
97 
98     /* Call the actual checkbox event process function.  */
99     status = _gx_checkbox_event_process(checkbox, event_ptr);
100 
101     /* Return completion status.  */
102     return status;
103 }
104 
105