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 (Button) */
19 /** */
20 /**************************************************************************/
21
22 #define GX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "gx_api.h"
28 #include "gx_widget.h"
29 #include "gx_button.h"
30 #include "gx_system.h"
31
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _gxe_button_select 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 button select function call. */
46 /* */
47 /* INPUT */
48 /* */
49 /* button Button control block */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* status Completion status */
54 /* */
55 /* CALLS */
56 /* */
57 /* _gx_button_select Actual button select call */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* Application Code */
62 /* */
63 /* RELEASE HISTORY */
64 /* */
65 /* DATE NAME DESCRIPTION */
66 /* */
67 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
68 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
69 /* resulting in version 6.1 */
70 /* */
71 /**************************************************************************/
_gxe_button_select(GX_BUTTON * button)72 UINT _gxe_button_select(GX_BUTTON *button)
73 {
74 GX_WIDGET *parent;
75 UINT status;
76
77 /* Check for invalid input pointers. */
78 if ((button == GX_NULL) || (button -> gx_widget_parent == GX_NULL))
79 {
80 return(GX_PTR_ERROR);
81 }
82
83 parent = button -> gx_widget_parent;
84
85 /* Check for the invalid widget. */
86 if ((parent -> gx_widget_type == 0) ||
87 (button -> gx_widget_type == 0))
88 {
89 return(GX_INVALID_WIDGET);
90 }
91
92 /* Call the actual button select function. */
93 status = _gx_button_select(button);
94
95 /* Return completion status. */
96 return status;
97 }
98
99
