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_widget.h"
28 #include "gx_button.h"
29 
30 /* Bring in externs for caller checking code.  */
31 GX_CALLER_CHECKING_EXTERNS
32 
33 /**************************************************************************/
34 /*                                                                        */
35 /*  FUNCTION                                               RELEASE        */
36 /*                                                                        */
37 /*    _gxe_button_create                                  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 button create function call. */
46 /*                                                                        */
47 /*  INPUT                                                                 */
48 /*                                                                        */
49 /*    button                                Pointer to button control     */
50 /*                                            block                       */
51 /*    name                                  Logical name of button        */
52 /*    parent                                Pointer to parent widget      */
53 /*                                            of button                   */
54 /*    style                                 Button stuyle                 */
55 /*    button_id                             Application-defined ID of     */
56 /*                                            the button                  */
57 /*    size                                  Size of the button            */
58 
59 /*                                                                        */
60 /*  OUTPUT                                                                */
61 /*                                                                        */
62 /*    status                                Completion status             */
63 /*                                                                        */
64 /*  CALLS                                                                 */
65 /*                                                                        */
66 /*    _gx_button_create                     Actual button create function */
67 /*                                                                        */
68 /*  CALLED BY                                                             */
69 /*                                                                        */
70 /*    Application Code                                                    */
71 /*                                                                        */
72 /*  RELEASE HISTORY                                                       */
73 /*                                                                        */
74 /*    DATE              NAME                      DESCRIPTION             */
75 /*                                                                        */
76 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
77 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
78 /*                                            resulting in version 6.1    */
79 /*                                                                        */
80 /**************************************************************************/
_gxe_button_create(GX_BUTTON * button,GX_CONST GX_CHAR * name,GX_WIDGET * parent,ULONG style,USHORT button_id,GX_CONST GX_RECTANGLE * size,UINT button_control_block_size)81 UINT  _gxe_button_create(GX_BUTTON *button, GX_CONST GX_CHAR *name, GX_WIDGET *parent, ULONG style,
82                          USHORT button_id, GX_CONST GX_RECTANGLE *size, UINT button_control_block_size)
83 {
84 UINT status;
85 
86     /* Check for appropriate caller.  */
87     GX_INIT_AND_THREADS_CALLER_CHECKING
88 
89     /* Check for invalid input pointers.  */
90     if ((button == GX_NULL) || (size == GX_NULL))
91     {
92         return(GX_PTR_ERROR);
93     }
94 
95     /* Check for invalid widget control block size. */
96     if (button_control_block_size != sizeof(GX_BUTTON))
97     {
98         return(GX_INVALID_SIZE);
99     }
100 
101     /* Check for widget already created.  */
102     if (button -> gx_widget_type != 0)
103     {
104         return(GX_ALREADY_CREATED);
105     }
106 
107     /* Call the actual button create function.  */
108     status = _gx_button_create(button, name, parent, style, button_id, size);
109 
110     /* Return completion status.  */
111     return status;
112 }
113 
114