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 #include "gx_system.h"
29 
30 
31 /**************************************************************************/
32 /*                                                                        */
33 /*  FUNCTION                                               RELEASE        */
34 /*                                                                        */
35 /*    _gx_widget_style_remove                             PORTABLE C      */
36 /*                                                           6.1          */
37 /*  AUTHOR                                                                */
38 /*                                                                        */
39 /*    Kenneth Maxwell, Microsoft Corporation                              */
40 /*                                                                        */
41 /*  DESCRIPTION                                                           */
42 /*                                                                        */
43 /*    This service removes a style from the widget.                       */
44 /*                                                                        */
45 /*  INPUT                                                                 */
46 /*                                                                        */
47 /*    widget                               Pointer to widget              */
48 /*    style                                Style to remove                */
49 /*                                                                        */
50 /*  OUTPUT                                                                */
51 /*                                                                        */
52 /*    status                               Completion status              */
53 /*                                                                        */
54 /*  CALLS                                                                 */
55 /*                                                                        */
56 /*    _gx_system_dirty_mark     Mark widget dirty if visible              */
57 /*                                                                        */
58 /*  CALLED BY                                                             */
59 /*                                                                        */
60 /*    Application Code                                                    */
61 /*    GUIX Internal 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 /**************************************************************************/
_gx_widget_style_remove(GX_WIDGET * widget,ULONG style)72 UINT _gx_widget_style_remove(GX_WIDGET *widget, ULONG style)
73 {
74 ULONG    old_style = widget -> gx_widget_style;
75 GX_EVENT my_event;
76 
77     /* Update the widget status.  */
78     widget -> gx_widget_style &= ~style;
79 
80     if (style & GX_STYLE_TRANSPARENT)
81     {
82         _gx_widget_status_remove(widget, GX_STATUS_TRANSPARENT);
83     }
84 
85     if (style & GX_STYLE_ENABLED)
86     {
87         _gx_widget_status_remove(widget, GX_STATUS_SELECTABLE);
88     }
89 
90     if (widget -> gx_widget_status & GX_STATUS_VISIBLE)
91     {
92         _gx_system_dirty_mark(widget);
93     }
94 
95     /* notify widget of style modification */
96 
97     memset(&my_event, 0, sizeof(GX_EVENT));
98     my_event.gx_event_payload.gx_event_ulongdata = old_style;
99     my_event.gx_event_type = GX_EVENT_STYLE_CHANGED;
100     my_event.gx_event_target = widget;
101     _gx_system_event_fold(&my_event);
102 
103     /* Return the completion status.  */
104     return(GX_SUCCESS);
105 }
106 
107