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 /** Button Management (Scroll Thumb) */
19 /** */
20 /**************************************************************************/
21
22 #define GX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "gx_api.h"
28 #include "gx_scrollbar.h"
29
30 /* Bring in externs for caller checking code. */
31 GX_CALLER_CHECKING_EXTERNS
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _gxe_scroll_thumb_event_process PORTABLE C */
38 /* 6.1 */
39 /* AUTHOR */
40 /* */
41 /* Kenneth Maxwell, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* This function checks for errors in the scroll thumb event process */
46 /* function call. */
47 /* */
48 /* INPUT */
49 /* */
50 /* scroll_thumb Scroll thumb widget control */
51 /* block */
52 /* event Pointer to event to process */
53 /* */
54 /* OUTPUT */
55 /* */
56 /* status Completion status */
57 /* */
58 /* CALLS */
59 /* */
60 /* _gx_scroll_thumb_event_process Actual scroll thumb event */
61 /* process function */
62 /* */
63 /* CALLED BY */
64 /* */
65 /* Application Code */
66 /* */
67 /* RELEASE HISTORY */
68 /* */
69 /* DATE NAME DESCRIPTION */
70 /* */
71 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
72 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
73 /* resulting in version 6.1 */
74 /* */
75 /**************************************************************************/
_gxe_scroll_thumb_event_process(GX_SCROLL_THUMB * scroll_thumb,GX_EVENT * event_ptr)76 UINT _gxe_scroll_thumb_event_process(GX_SCROLL_THUMB *scroll_thumb, GX_EVENT *event_ptr)
77 {
78
79 /* Check for appropriate caller. */
80 GX_INIT_AND_THREADS_CALLER_CHECKING
81
82 /* Check for invalid input pointers. */
83 if ((scroll_thumb == GX_NULL) || (event_ptr == GX_NULL))
84 {
85 return(GX_PTR_ERROR);
86 }
87
88 /* Check for invalid widget. */
89 if (scroll_thumb -> gx_widget_type == 0)
90 {
91 return(GX_INVALID_WIDGET);
92 }
93
94 /* Call actual scroll thumb event process function. */
95 _gx_scroll_thumb_event_process(scroll_thumb, event_ptr);
96
97 /* Return completion status. */
98 return(GX_SUCCESS);
99 }
100
101
