1 /**************************************************************************/
2 /*                                                                        */
3 /*       Copyright (c) Microsoft Corporation. All rights reserved.        */
4 /*                                                                        */
5 /*       This software is licensed under the Microsoft Software License   */
6 /*       Terms for Microsoft Azure RTOS. Full text of the license can be  */
7 /*       found in the LICENSE file at https://aka.ms/AzureRTOS_EULA       */
8 /*       and in the root directory of this software.                      */
9 /*                                                                        */
10 /**************************************************************************/
11 
12 
13 /**************************************************************************/
14 /**************************************************************************/
15 /**                                                                       */
16 /** GUIX Component                                                        */
17 /**                                                                       */
18 /**   Widget Management (Widget)                                          */
19 /**                                                                       */
20 /**************************************************************************/
21 
22 #define GX_SOURCE_CODE
23 
24 
25 /* Include necessary system files.  */
26 
27 #include "gx_api.h"
28 #include "gx_widget.h"
29 #include "gx_system.h"
30 
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _gx_widget_style_add                                PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    Kenneth Maxwell, Microsoft Corporation                              */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This service adds a style to the widget.                            */
45 /*                                                                        */
46 /*  INPUT                                                                 */
47 /*                                                                        */
48 /*    widget                                Pointer to widget             */
49 /*    style                                 New style to add              */
50 /*                                                                        */
51 /*  OUTPUT                                                                */
52 /*                                                                        */
53 /*    status                                Completion status             */
54 /*                                                                        */
55 /*  CALLS                                                                 */
56 /*                                                                        */
57 /*    _gx_system_dirty_mark     Mark widget dirty if visible              */
58 /*                                                                        */
59 /*  CALLED BY                                                             */
60 /*                                                                        */
61 /*    Application Code                                                    */
62 /*    GUIX Internal Code                                                  */
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 /**************************************************************************/
_gx_widget_style_add(GX_WIDGET * widget,ULONG style)73 UINT _gx_widget_style_add(GX_WIDGET *widget, ULONG style)
74 {
75 ULONG    old_style = widget -> gx_widget_style;
76 GX_EVENT my_event;
77 
78     /* Update the widget status.  */
79     widget -> gx_widget_style |= style;
80 
81     if (style & GX_STYLE_TRANSPARENT)
82     {
83         _gx_widget_status_add(widget, GX_STATUS_TRANSPARENT);
84     }
85 
86     if (style & GX_STYLE_ENABLED)
87     {
88         _gx_widget_status_add(widget, GX_STATUS_SELECTABLE);
89     }
90 
91     if (widget -> gx_widget_status & GX_STATUS_VISIBLE)
92     {
93         _gx_system_dirty_mark(widget);
94     }
95 
96     /* notify widget of style modification */
97 
98     memset(&my_event, 0, sizeof(GX_EVENT));
99     my_event.gx_event_payload.gx_event_ulongdata = old_style;
100     my_event.gx_event_type = GX_EVENT_STYLE_CHANGED;
101     my_event.gx_event_target = widget;
102     _gx_system_event_fold(&my_event);
103 
104     /* Return the completion status.  */
105     return(GX_SUCCESS);
106 }
107 
108