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 (Button)                                          */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_button.h"
28 #include "gx_utility.h"
29 #include "gx_system.h"
30 
31 /**************************************************************************/
32 /*                                                                        */
33 /*  FUNCTION                                               RELEASE        */
34 /*                                                                        */
35 /*    _gx_text_button_event_process                       PORTABLE C      */
36 /*                                                           6.1          */
37 /*  AUTHOR                                                                */
38 /*                                                                        */
39 /*    Kenneth Maxwell, Microsoft Corporation                              */
40 /*                                                                        */
41 /*  DESCRIPTION                                                           */
42 /*                                                                        */
43 /*    This function processes events for the specified text button.       */
44 /*                                                                        */
45 /*  INPUT                                                                 */
46 /*                                                                        */
47 /*    button                                Pointer to text button        */
48 /*                                            control block               */
49 /*    event_ptr                             Incoming event to process     */
50 /*                                                                        */
51 /*  OUTPUT                                                                */
52 /*                                                                        */
53 /*    status                                Completion status             */
54 /*                                                                        */
55 /*  CALLS                                                                 */
56 /*                                                                        */
57 /*    _gx_utility_bidi_resolved_text_info_delete                          */
58 /*                                          Delete dynamic bidi text      */
59 /*    _gx_button_event_process              Default widget event process  */
60 /*                                                                        */
61 /*  CALLED BY                                                             */
62 /*                                                                        */
63 /*    Application Code                                                    */
64 /*    GUIX Internal Code                                                  */
65 /*                                                                        */
66 /*  RELEASE HISTORY                                                       */
67 /*                                                                        */
68 /*    DATE              NAME                      DESCRIPTION             */
69 /*                                                                        */
70 /*  09-30-2020     Kenneth Maxwell          Initial Version 6.1           */
71 /*  06-02-2021     Kenneth Maxwell          Modified comment(s),          */
72 /*                                            eliminate fall-through,     */
73 /*                                            resulting in version 6.1.7  */
74 /*                                                                        */
75 /**************************************************************************/
_gx_text_button_event_process(GX_TEXT_BUTTON * button,GX_EVENT * event_ptr)76 UINT  _gx_text_button_event_process(GX_TEXT_BUTTON *button, GX_EVENT *event_ptr)
77 {
78 
79     /* Process relative to the type of event.  */
80     switch (event_ptr -> gx_event_type)
81     {
82     case GX_EVENT_DELETE:
83         if ((button -> gx_widget_style & GX_STYLE_TEXT_COPY) && button -> gx_text_button_string.gx_string_ptr)
84         {
85             if (!_gx_system_memory_free)
86             {
87                 return GX_SYSTEM_MEMORY_ERROR;
88             }
89             _gx_system_memory_free((void *)button -> gx_text_button_string.gx_string_ptr);
90             button -> gx_text_button_string.gx_string_ptr = GX_NULL;
91             button -> gx_text_button_string.gx_string_length = 0;
92         }
93 #if defined(GX_DYNAMIC_BIDI_TEXT_SUPPORT)
94         if (button -> gx_text_button_bidi_resolved_text_info)
95         {
96             _gx_utility_bidi_resolved_text_info_delete(&button -> gx_text_button_bidi_resolved_text_info);
97         }
98 #endif
99         break;
100 
101     default:
102 
103         /* Do nothing.  */
104         break;
105     }
106 
107     /* Return completion status.  */
108     return _gx_button_event_process((GX_BUTTON*)button, event_ptr);
109 }
110 
111