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 /**   Window Management (Window)                                          */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_window.h"
28 
29 
30 /**************************************************************************/
31 /*                                                                        */
32 /*  FUNCTION                                               RELEASE        */
33 /*                                                                        */
34 /*    _gx_window_scrollbar_find                           PORTABLE C      */
35 /*                                                           6.1          */
36 /*  AUTHOR                                                                */
37 /*                                                                        */
38 /*    Kenneth Maxwell, Microsoft Corporation                              */
39 /*                                                                        */
40 /*  DESCRIPTION                                                           */
41 /*                                                                        */
42 /*    This service finds the scrollbar for the specified window.          */
43 /*                                                                        */
44 /*  INPUT                                                                 */
45 /*                                                                        */
46 /*    window                                Pointer to window             */
47 /*    type                                  GX_SCROLLBAR_HORIZONTAL or    */
48 /*                                            GX_SCROLLBAR_VERTICAL       */
49 /*    return_scrollbar                      Pointer to destination for    */
50 /*                                            scrollbar                   */
51 /*                                                                        */
52 /*  OUTPUT                                                                */
53 /*                                                                        */
54 /*    status                                Completion status             */
55 /*                                                                        */
56 /*  CALLS                                                                 */
57 /*                                                                        */
58 /*    None                                                                */
59 /*                                                                        */
60 /*  CALLED BY                                                             */
61 /*                                                                        */
62 /*    Application 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_window_scrollbar_find(GX_WINDOW * window,USHORT type,GX_SCROLLBAR ** return_scrollbar)73 UINT _gx_window_scrollbar_find(GX_WINDOW *window, USHORT type, GX_SCROLLBAR **return_scrollbar)
74 {
75 GX_WIDGET *child = window -> gx_widget_first_child;
76 
77     while (child)
78     {
79         if ((child -> gx_widget_type == type) && (child -> gx_widget_status & GX_STATUS_NONCLIENT))
80         {
81             *return_scrollbar = (GX_SCROLLBAR *)child;
82             return(GX_SUCCESS);
83         }
84         child = child -> gx_widget_next;
85     }
86     *return_scrollbar = GX_NULL;
87     return(GX_NOT_FOUND);
88 }
89 
90