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 /**   Window Management (Window)                                          */
19 /**                                                                       */
20 /**************************************************************************/
21 
22 #define GX_SOURCE_CODE
23 
24 
25 /* Include necessary system files.  */
26 
27 #include "gx_api.h"
28 #include "gx_window.h"
29 
30 
31 /**************************************************************************/
32 /*                                                                        */
33 /*  FUNCTION                                               RELEASE        */
34 /*                                                                        */
35 /*    _gx_window_scrollbar_find                           PORTABLE C      */
36 /*                                                           6.1          */
37 /*  AUTHOR                                                                */
38 /*                                                                        */
39 /*    Kenneth Maxwell, Microsoft Corporation                              */
40 /*                                                                        */
41 /*  DESCRIPTION                                                           */
42 /*                                                                        */
43 /*    This service finds the scrollbar for the specified window.          */
44 /*                                                                        */
45 /*  INPUT                                                                 */
46 /*                                                                        */
47 /*    window                                Pointer to window             */
48 /*    type                                  GX_SCROLLBAR_HORIZONTAL or    */
49 /*                                            GX_SCROLLBAR_VERTICAL       */
50 /*    return_scrollbar                      Pointer to destination for    */
51 /*                                            scrollbar                   */
52 /*                                                                        */
53 /*  OUTPUT                                                                */
54 /*                                                                        */
55 /*    status                                Completion status             */
56 /*                                                                        */
57 /*  CALLS                                                                 */
58 /*                                                                        */
59 /*    None                                                                */
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 /**************************************************************************/
_gx_window_scrollbar_find(GX_WINDOW * window,USHORT type,GX_SCROLLBAR ** return_scrollbar)74 UINT _gx_window_scrollbar_find(GX_WINDOW *window, USHORT type, GX_SCROLLBAR **return_scrollbar)
75 {
76 GX_WIDGET *child = window -> gx_widget_first_child;
77 
78     while (child)
79     {
80         if ((child -> gx_widget_type == type) && (child -> gx_widget_status & GX_STATUS_NONCLIENT))
81         {
82             *return_scrollbar = (GX_SCROLLBAR *)child;
83             return(GX_SUCCESS);
84         }
85         child = child -> gx_widget_next;
86     }
87     *return_scrollbar = GX_NULL;
88     return(GX_NOT_FOUND);
89 }
90 
91