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 /** Scrollbar Management (Scrollbar) */
18 /** */
19 /**************************************************************************/
20
21 #define GX_SOURCE_CODE
22
23 /* Include necessary system files. */
24
25 #include "gx_api.h"
26 #include "gx_scrollbar.h"
27
28 /* Bring in externs for caller checking code. */
29 GX_CALLER_CHECKING_EXTERNS
30
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _gxe_scrollbar_value_set PORTABLE C */
36 /* 6.1 */
37 /* AUTHOR */
38 /* */
39 /* Kenneth Maxwell, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This service checks errors in the scrollbar value set function call */
44 /* */
45 /* */
46 /* INPUT */
47 /* */
48 /* scrollbar Scrollbar control block */
49 /* value New scrollbar value */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* status Completion status */
54 /* */
55 /* CALLS */
56 /* */
57 /* _gx_scrollbar_value_set The actual function */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* Application Code */
62 /* */
63 /* RELEASE HISTORY */
64 /* */
65 /* DATE NAME DESCRIPTION */
66 /* */
67 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
68 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
69 /* resulting in version 6.1 */
70 /* */
71 /**************************************************************************/
_gxe_scrollbar_value_set(GX_SCROLLBAR * scrollbar,INT value)72 UINT _gxe_scrollbar_value_set(GX_SCROLLBAR *scrollbar, INT value)
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 ((scrollbar == GX_NULL))
81 {
82 return(GX_PTR_ERROR);
83 }
84
85 /* Check for invalid widget. */
86 if (scrollbar -> gx_widget_type == 0)
87 {
88 return(GX_INVALID_WIDGET);
89 }
90
91 /* Call the actual function. */
92 status = _gx_scrollbar_value_set(scrollbar, value);
93
94 /* Return successful completion. */
95 return(status);
96 }
97
98