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