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 /**   Drop List Management (List)                                         */
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_window.h"
29 #include "gx_system.h"
30 #include "gx_drop_list.h"
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _gx_drop_list_close                                 PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    Kenneth Maxwell, Microsoft Corporation                              */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This service closes a drop list.                                    */
45 /*                                                                        */
46 /*  INPUT                                                                 */
47 /*                                                                        */
48 /*    drop_list                             Drop list control block       */
49 /*                                                                        */
50 /*  OUTPUT                                                                */
51 /*                                                                        */
52 /*    status                                Completion status             */
53 /*                                                                        */
54 /*  CALLS                                                                 */
55 /*                                                                        */
56 /*    _gx_widget_unlink                     Unlink a widget               */
57 /*                                                                        */
58 /*  CALLED BY                                                             */
59 /*                                                                        */
60 /*    Application Code                                                    */
61 /*    _gx_drop_list_event_process                                         */
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_drop_list_close(GX_DROP_LIST * drop_list)72 UINT _gx_drop_list_close(GX_DROP_LIST *drop_list)
73 {
74 GX_VERTICAL_LIST *list = &drop_list -> gx_drop_list_popup.gx_popup_list_list;
75 GX_WIDGET        *child = list -> gx_widget_first_child;
76 
77     if (drop_list -> gx_drop_list_popup_open)
78     {
79         drop_list -> gx_drop_list_popup_open = GX_FALSE;
80         while (child)
81         {
82             child -> gx_widget_style &= ~GX_STYLE_DRAW_SELECTED;
83             child = child -> gx_widget_next;
84         }
85         _gx_widget_unlink((GX_WIDGET *)list);
86     }
87 
88     return(GX_SUCCESS);
89 }
90 
91