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 /**   Prompt Management (Prompt)                                          */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_widget.h"
28 #include "gx_prompt.h"
29 #include "gx_utility.h"
30 #include "gx_system.h"
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _gx_prompt_event_process                            PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    Kenneth Maxwell, Microsoft Corporation                              */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This function processes events for the specified prompt.            */
45 /*                                                                        */
46 /*  INPUT                                                                 */
47 /*                                                                        */
48 /*    prompt                                Pointer to prompt control     */
49 /*                                            block                       */
50 /*    event_ptr                             Incoming event to process     */
51 /*                                                                        */
52 /*  OUTPUT                                                                */
53 /*                                                                        */
54 /*    status                                Completion status             */
55 /*                                                                        */
56 /*  CALLS                                                                 */
57 /*                                                                        */
58 /*    _gx_system_memory_free                Release memory                */
59 /*    _gx_utility_bidi_resolved_text_info_delete                          */
60 /*                                          Delete dynamic bidi text      */
61 /*    _gx_widget_event_process              Default widget event process  */
62 /*                                                                        */
63 /*  CALLED BY                                                             */
64 /*                                                                        */
65 /*    Application Code                                                    */
66 /*    GUIX Internal Code                                                  */
67 /*                                                                        */
68 /*  RELEASE HISTORY                                                       */
69 /*                                                                        */
70 /*    DATE              NAME                      DESCRIPTION             */
71 /*                                                                        */
72 /*  09-30-2020     Kenneth Maxwell          Initial Version 6.1           */
73 /*                                                                        */
74 /**************************************************************************/
_gx_prompt_event_process(GX_PROMPT * prompt,GX_EVENT * event_ptr)75 UINT  _gx_prompt_event_process(GX_PROMPT *prompt, GX_EVENT *event_ptr)
76 {
77 
78     /* Process relative to the type of event.  */
79     switch (event_ptr -> gx_event_type)
80     {
81     case GX_EVENT_DELETE:
82         if ((prompt -> gx_widget_style & GX_STYLE_TEXT_COPY) && prompt -> gx_prompt_string.gx_string_ptr)
83 	    {
84 	        if (!_gx_system_memory_free)
85 	        {
86 	            return GX_SYSTEM_MEMORY_ERROR;
87 	        }
88 	        _gx_system_memory_free((void *)prompt -> gx_prompt_string.gx_string_ptr);
89 	        prompt -> gx_prompt_string.gx_string_ptr = GX_NULL;
90 	        prompt -> gx_prompt_string.gx_string_length = 0;
91 	    }
92 #if defined(GX_DYNAMIC_BIDI_TEXT_SUPPORT)
93 
94         if (prompt -> gx_prompt_bidi_resolved_text_info)
95         {
96             _gx_utility_bidi_resolved_text_info_delete(&prompt -> gx_prompt_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_widget_event_process((GX_WIDGET*)prompt, event_ptr);
109 }
110 
111