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 /**   Multi Line Text Input Management (Multi Line Text Input)            */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_multi_line_text_input.h"
28 #include "gx_utility.h"
29 
30 /* Bring in externs for caller checking code.  */
31 GX_CALLER_CHECKING_EXTERNS
32 
33 /**************************************************************************/
34 /*                                                                        */
35 /*  FUNCTION                                               RELEASE        */
36 /*                                                                        */
37 /*    _gxe_multi_line_text_input_char_insert              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 multi line text input        */
46 /*    char insert call.                                                   */
47 /*                                                                        */
48 /*  INPUT                                                                 */
49 /*                                                                        */
50 /*    text_input                            Multi line text input widget  */
51 /*                                            control block               */
52 /*    str                                   Utf8 string to be inserted    */
53 /*    str_size                              Inserted string size in bytes */
54 /*                                                                        */
55 /*  OUTPUT                                                                */
56 /*                                                                        */
57 /*    status                                Completion status             */
58 /*                                                                        */
59 /*  CALLS                                                                 */
60 /*                                                                        */
61 /*    _gx_multi_line_text_input_char_insert                               */
62 /*                                          Actual multi line text input  */
63 /*                                            char insert call            */
64 /*                                                                        */
65 /*  CALLED BY                                                             */
66 /*                                                                        */
67 /*    Application Code                                                    */
68 /*                                                                        */
69 /*  RELEASE HISTORY                                                       */
70 /*                                                                        */
71 /*    DATE              NAME                      DESCRIPTION             */
72 /*                                                                        */
73 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
74 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
75 /*                                            resulting in version 6.1    */
76 /*                                                                        */
77 /**************************************************************************/
78 #if defined(GX_ENABLE_DEPRECATED_STRING_API)
_gxe_multi_line_text_input_char_insert(GX_MULTI_LINE_TEXT_INPUT * text_input,GX_UBYTE * str,UINT str_size)79 UINT _gxe_multi_line_text_input_char_insert(GX_MULTI_LINE_TEXT_INPUT *text_input, GX_UBYTE *str, UINT str_size)
80 {
81 UINT status;
82 
83     /* Check for invalid caller.  */
84     GX_INIT_AND_THREADS_CALLER_CHECKING
85 
86     /* Check for invalid input pointers. */
87     if ((text_input == GX_NULL) || (str == GX_NULL))
88     {
89         return(GX_PTR_ERROR);
90     }
91 
92     /* Check for invalid value. */
93     if (str_size == 0)
94     {
95         return(GX_INVALID_VALUE);
96     }
97 
98     /* Check for invalid widget check. */
99     if (text_input -> gx_widget_type == 0)
100     {
101         return(GX_INVALID_WIDGET);
102     }
103 
104     /* Call actual multi line text input char insert function.  */
105     status = _gx_multi_line_text_input_char_insert(text_input, str, str_size);
106 
107     return status;
108 }
109 #endif
110 
111 /**************************************************************************/
112 /*                                                                        */
113 /*  FUNCTION                                               RELEASE        */
114 /*                                                                        */
115 /*    _gxe_multi_line_text_input_char_insert_ext          PORTABLE C      */
116 /*                                                           6.1          */
117 /*  AUTHOR                                                                */
118 /*                                                                        */
119 /*    Kenneth Maxwell, Microsoft Corporation                              */
120 /*                                                                        */
121 /*  DESCRIPTION                                                           */
122 /*                                                                        */
123 /*    This function checks for errors in the multi line text input        */
124 /*    char insert call.                                                   */
125 /*                                                                        */
126 /*  INPUT                                                                 */
127 /*                                                                        */
128 /*    text_input                            Multi line text input widget  */
129 /*                                            control block               */
130 /*    str                                   Utf8 string to be inserted    */
131 /*                                                                        */
132 /*  OUTPUT                                                                */
133 /*                                                                        */
134 /*    status                                Completion status             */
135 /*                                                                        */
136 /*  CALLS                                                                 */
137 /*                                                                        */
138 /*    _gx_multi_line_text_input_char_insert_ext                           */
139 /*                                          Actual multi line text input  */
140 /*                                            char insert ext call        */
141 /*                                                                        */
142 /*  CALLED BY                                                             */
143 /*                                                                        */
144 /*    Application Code                                                    */
145 /*                                                                        */
146 /*  RELEASE HISTORY                                                       */
147 /*                                                                        */
148 /*    DATE              NAME                      DESCRIPTION             */
149 /*                                                                        */
150 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
151 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
152 /*                                            resulting in version 6.1    */
153 /*                                                                        */
154 /**************************************************************************/
_gxe_multi_line_text_input_char_insert_ext(GX_MULTI_LINE_TEXT_INPUT * text_input,GX_CONST GX_STRING * str)155 UINT _gxe_multi_line_text_input_char_insert_ext(GX_MULTI_LINE_TEXT_INPUT *text_input, GX_CONST GX_STRING *str)
156 {
157 UINT status;
158 UINT string_length = 0;
159 
160     /* Check for invalid caller.  */
161     GX_INIT_AND_THREADS_CALLER_CHECKING
162 
163     /* Check for invalid input pointers. */
164     if ((text_input == GX_NULL) || (str == GX_NULL) || (str -> gx_string_ptr == GX_NULL))
165     {
166         return(GX_PTR_ERROR);
167     }
168 
169     status = _gx_utility_string_length_check(str -> gx_string_ptr, &string_length, str -> gx_string_length);
170 
171     if (status != GX_SUCCESS)
172     {
173         return status;
174     }
175 
176     /* Check for invalid string length. */
177     if (string_length != str -> gx_string_length)
178     {
179         return GX_INVALID_STRING_LENGTH;
180     }
181 
182     /* Check for invalid widget check. */
183     if (text_input -> gx_widget_type == 0)
184     {
185         return(GX_INVALID_WIDGET);
186     }
187 
188     /* Call actual multi line text input char insert function.  */
189     status = _gx_multi_line_text_input_char_insert_ext(text_input, str);
190 
191     return status;
192 }
193 
194