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)                  */
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_multi_line_text_view.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_create                   PORTABLE C      */
38 /*                                                           6.1.3        */
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 /*  create.                                                               */
47 /*                                                                        */
48 /*  INPUT                                                                 */
49 /*                                                                        */
50 /*    text_input_ptr                        Multi Line input control block*/
51 /*    nampe_ptr                             Wigdget name                  */
52 /*    parent                                Parent widget control block   */
53 /*    size                                  Parent widget control block   */
54 /*    input_buffer                          User-supplied input buffer    */
55 /*    buffer_size                           Size of the user-supplied     */
56 /*                                            input buffer                */
57 /*    style                                 The style of the widget border*/
58 /*    Id                                    The ID number of the widget   */
59 /*    text_input_control_block_size         Size of the multi line text   */
60 /*                                            input control block         */
61 /*                                                                        */
62 /*  OUTPUT                                                                */
63 /*                                                                        */
64 /*    status                                Completion status             */
65 /*                                                                        */
66 /*  CALLS                                                                 */
67 /*                                                                        */
68 /*    _gx_multi_line_text_input_create                                    */
69 /*                                                                        */
70 /*  CALLED BY                                                             */
71 /*                                                                        */
72 /*    Application Code                                                    */
73 /*                                                                        */
74 /*  RELEASE HISTORY                                                       */
75 /*                                                                        */
76 /*    DATE              NAME                      DESCRIPTION             */
77 /*                                                                        */
78 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
79 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
80 /*                                            resulting in version 6.1    */
81 /*  12-31-2020     Kenneth Maxwell          Modified comment(s),          */
82 /*                                            removed input buffer check, */
83 /*                                            resulting in version 6.1.3  */
84 /*                                                                        */
85 /**************************************************************************/
_gxe_multi_line_text_input_create(GX_MULTI_LINE_TEXT_INPUT * text_input_ptr,GX_CONST GX_CHAR * name_ptr,GX_WIDGET * parent,GX_CHAR * input_buffer,UINT buffer_size,ULONG style,USHORT Id,GX_CONST GX_RECTANGLE * size,UINT text_input_control_block_size)86 UINT  _gxe_multi_line_text_input_create(GX_MULTI_LINE_TEXT_INPUT *text_input_ptr,
87                                         GX_CONST GX_CHAR *name_ptr,
88                                         GX_WIDGET *parent,
89                                         GX_CHAR *input_buffer,
90                                         UINT buffer_size,
91                                         ULONG style,
92                                         USHORT Id,
93                                         GX_CONST GX_RECTANGLE *size,
94                                         UINT text_input_control_block_size)
95 {
96 UINT status;
97 
98     /* Check for invalid caller of this function.  */
99     GX_INIT_AND_THREADS_CALLER_CHECKING
100 
101     /* Check for invalid pointer.  */
102     if ((text_input_ptr == GX_NULL) || (size == GX_NULL))
103     {
104         return(GX_PTR_ERROR);
105     }
106 
107     /* Check for invalid control block size. */
108     if (text_input_control_block_size != sizeof(GX_MULTI_LINE_TEXT_INPUT))
109     {
110         return(GX_INVALID_SIZE);
111     }
112 
113     /* Check for widget already created.  */
114     if (text_input_ptr -> gx_widget_type != 0)
115     {
116         return(GX_ALREADY_CREATED);
117     }
118 
119     /* Check for invalid parent widget.  */
120     if (parent && (parent -> gx_widget_type == 0))
121     {
122         return(GX_INVALID_WIDGET);
123     }
124 
125     /* Call actual multi line text input create function.  */
126     status = _gx_multi_line_text_input_create(text_input_ptr, name_ptr, parent, input_buffer, buffer_size, style, Id, size);
127 
128     /* Return completion status.  */
129     return(status);
130 }
131 
132