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_style_remove                            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 style remove function */
45 /*    call.                                                               */
46 /*                                                                        */
47 /*  INPUT                                                                 */
48 /*                                                                        */
49 /*    widget                               Pointer to widget              */
50 /*    style                                Style to remove                */
51 /*                                                                        */
52 /*  OUTPUT                                                                */
53 /*                                                                        */
54 /*    status                               Completion status              */
55 /*                                                                        */
56 /*  CALLS                                                                 */
57 /*                                                                        */
58 /*    _gx_widget_style_remove              Actual widget style remove     */
59 /*                                           function                     */
60 /*                                                                        */
61 /*  CALLED BY                                                             */
62 /*                                                                        */
63 /*    Application Code                                                    */
64 /*                                                                        */
65 /*  RELEASE HISTORY                                                       */
66 /*                                                                        */
67 /*    DATE              NAME                      DESCRIPTION             */
68 /*                                                                        */
69 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
70 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
71 /*                                            resulting in version 6.1    */
72 /*                                                                        */
73 /**************************************************************************/
_gxe_widget_style_remove(GX_WIDGET * widget,ULONG style)74 UINT _gxe_widget_style_remove(GX_WIDGET *widget, ULONG style)
75 {
76 UINT status;
77 
78     /* Check for appropriate caller.  */
79     GX_INIT_AND_THREADS_CALLER_CHECKING
80 
81     /* Check for invalid input pointers.  */
82     if (widget == GX_NULL)
83     {
84         return(GX_PTR_ERROR);
85     }
86 
87     /* Check for invalid widget. */
88     if (widget -> gx_widget_type == 0)
89     {
90         return(GX_INVALID_WIDGET);
91     }
92 
93     /* Call actual widget style remove function.  */
94     status = _gx_widget_style_remove(widget, style);
95 
96     /* Return successful completion.  */
97     return(status);
98 }
99 
100