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 /** Scroll Wheel Management (Generic Scroll Wheel) */
19 /** */
20 /**************************************************************************/
21
22 #define GX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "gx_api.h"
28 #include "gx_scroll_wheel.h"
29
30 /* Bring in externs for caller checking code. */
31 GX_CALLER_CHECKING_EXTERNS
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _gxe_generic_scroll_wheel_children_position PORTABLE C */
38 /* 6.1.7 */
39 /* AUTHOR */
40 /* */
41 /* Ting Zhu, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* This function checks for errors in the generic scroll wheel */
46 /* children position function call */
47 /* */
48 /* INPUT */
49 /* */
50 /* wheel Generic scroll wheel control */
51 /* block */
52 /* */
53 /* OUTPUT */
54 /* */
55 /* status Completion status */
56 /* */
57 /* CALLS */
58 /* */
59 /* _gx_generic_scroll_wheel_children_position */
60 /* Actual scroll wheel children */
61 /* position function call */
62 /* */
63 /* CALLED BY */
64 /* */
65 /* Application Code */
66 /* */
67 /* RELEASE HISTORY */
68 /* */
69 /* DATE NAME DESCRIPTION */
70 /* */
71 /* 06-02-2021 Ting Zhu Initial Version 6.1.7 */
72 /* */
73 /**************************************************************************/
_gxe_generic_scroll_wheel_children_position(GX_GENERIC_SCROLL_WHEEL * wheel)74 UINT _gxe_generic_scroll_wheel_children_position(GX_GENERIC_SCROLL_WHEEL *wheel)
75 {
76 UINT status;
77
78 /* Check for appropriate caller. */
79 GX_INIT_AND_THREADS_CALLER_CHECKING
80
81 if (!wheel)
82 {
83 return(GX_PTR_ERROR);
84 }
85
86 /* Check for invalid widget. */
87 if (wheel -> gx_widget_type == 0)
88 {
89 return GX_INVALID_WIDGET;
90 }
91
92 /* Call actual generic scroll wheel children position call. */
93 status = _gx_generic_scroll_wheel_children_position(wheel);
94
95 /* Return completion status. */
96 return(status);
97 }
98
99
