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 /**************************************************************************/
31 /* */
32 /* FUNCTION RELEASE */
33 /* */
34 /* _gx_generic_scroll_wheel_wrap_style_check PORTABLE C */
35 /* 6.1.7 */
36 /* AUTHOR */
37 /* */
38 /* Ting Zhu, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This function checks if wrap style is supported. */
43 /* */
44 /* INPUT */
45 /* */
46 /* wheel Generic scroll wheel control */
47 /* block */
48 /* */
49 /* OUTPUT */
50 /* */
51 /* GX_BOOL Wrap style check result */
52 /* */
53 /* CALLS */
54 /* */
55 /* None */
56 /* */
57 /* CALLED BY */
58 /* */
59 /* GUIX Internal Code */
60 /* */
61 /* RELEASE HISTORY */
62 /* */
63 /* DATE NAME DESCRIPTION */
64 /* */
65 /* 06-02-2021 Ting Zhu Initial Version 6.1.7 */
66 /* */
67 /**************************************************************************/
_gx_generic_scroll_wheel_wrap_style_check(GX_GENERIC_SCROLL_WHEEL * wheel)68 GX_BOOL _gx_generic_scroll_wheel_wrap_style_check(GX_GENERIC_SCROLL_WHEEL *wheel)
69 {
70
71 if ((wheel -> gx_widget_style & GX_STYLE_WRAP) &&
72 (wheel -> gx_generic_scroll_wheel_callback != GX_NULL) &&
73 (wheel -> gx_generic_scroll_wheel_visible_rows < wheel -> gx_scroll_wheel_total_rows))
74 {
75
76 /* Wrap style is supported. */
77 return GX_TRUE;
78 }
79
80 return GX_FALSE;
81 }
82
83
