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 /** Widget Management (Widget) */
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
29 GX_CALLER_CHECKING_EXTERNS
30
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _gxe_widget_attach PORTABLE C */
36 /* 6.1 */
37 /* AUTHOR */
38 /* */
39 /* Kenneth Maxwell, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This function checks for errors in the widget attach function call. */
44 /* */
45 /* INPUT */
46 /* */
47 /* parent Parent widget control block */
48 /* child child widget control block */
49 /* */
50 /* OUTPUT */
51 /* */
52 /* status Completion status */
53 /* */
54 /* CALLS */
55 /* */
56 /* _gx_widget_attach Actual widget attach function */
57 /* */
58 /* CALLED BY */
59 /* */
60 /* Application Code */
61 /* */
62 /* RELEASE HISTORY */
63 /* */
64 /* DATE NAME DESCRIPTION */
65 /* */
66 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
67 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
68 /* resulting in version 6.1 */
69 /* */
70 /**************************************************************************/
71
_gxe_widget_attach(GX_WIDGET * parent,GX_WIDGET * child)72 UINT _gxe_widget_attach(GX_WIDGET *parent, GX_WIDGET *child)
73 {
74 UINT status;
75
76 /* Check for appropriate caller. */
77 GX_INIT_AND_THREADS_CALLER_CHECKING
78
79 /* Check for invalid input pointers. */
80 if (!parent || !child)
81 {
82 return(GX_PTR_ERROR);
83 }
84
85 /* Check for invalid widget. */
86 if ((parent -> gx_widget_type == 0) ||
87 (child -> gx_widget_type == 0))
88 {
89 return(GX_INVALID_WIDGET);
90 }
91
92 /* Call actual widget attach function. */
93 status = _gx_widget_attach(parent, child);
94
95 /* Return completion status. */
96 return(status);
97 }
98
99
