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 /**   Widget Management (Widget)                                          */
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_utility.h"
29 #include "gx_widget.h"
30 
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _gx_widget_event_generate                           PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    Kenneth Maxwell, Microsoft Corporation                              */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This function creates a new GX_EVENT and send the event to the      */
45 /*    widget parent.                                                      */
46 /*                                                                        */
47 /*  INPUT                                                                 */
48 /*                                                                        */
49 /*    widget                                Widget control block          */
50 /*    event_type                            Type of event                 */
51 /*    value                                 Additional event information  */
52 /*                                                                        */
53 /*  OUTPUT                                                                */
54 /*                                                                        */
55 /*    status                                Completion status             */
56 /*                                                                        */
57 /*  CALLS                                                                 */
58 /*                                                                        */
59 /*    [gx_widget_event_process_function]    The parent event process      */
60 /*                                            routine                     */
61 /*                                                                        */
62 /*  CALLED BY                                                             */
63 /*                                                                        */
64 /*    Application Code                                                    */
65 /*    GUIX Internal 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 /**************************************************************************/
_gx_widget_event_generate(GX_WIDGET * widget,USHORT event_type,LONG value)76 UINT _gx_widget_event_generate(GX_WIDGET *widget, USHORT event_type, LONG value)
77 {
78 GX_EVENT   newevent;
79 GX_WIDGET *parent;
80 
81     parent = widget -> gx_widget_parent;
82 
83     if (parent && widget -> gx_widget_id)
84     {
85         newevent.gx_event_target = parent;
86         newevent.gx_event_sender = widget -> gx_widget_id;
87         newevent.gx_event_type = (ULONG)GX_SIGNAL(widget -> gx_widget_id, event_type);
88         newevent.gx_event_payload.gx_event_longdata = value;
89         _gx_system_event_send(&newevent);
90     }
91 
92     return(GX_SUCCESS);
93 }
94 
95