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 /** Widget Management (Widget) */
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
30 /* Bring in externs for caller checking code. */
31 GX_CALLER_CHECKING_EXTERNS
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _gxe_widget_create 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 widget create function call. */
46 /* */
47 /* INPUT */
48 /* */
49 /* widget Widget control block */
50 /* name Name of widget */
51 /* parent Parent widget control block */
52 /* style Style of widget */
53 /* Id Application-defined ID of */
54 /* the widget */
55 /* size Widget size */
56 /* */
57 /* OUTPUT */
58 /* */
59 /* status Completion status */
60 /* */
61 /* CALLS */
62 /* */
63 /* _gx_widget_create Actual widget create function */
64 /* */
65 /* CALLED BY */
66 /* */
67 /* Application Code */
68 /* */
69 /* RELEASE HISTORY */
70 /* */
71 /* DATE NAME DESCRIPTION */
72 /* */
73 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
74 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
75 /* resulting in version 6.1 */
76 /* */
77 /**************************************************************************/
_gxe_widget_create(GX_WIDGET * widget,GX_CONST GX_CHAR * name,GX_WIDGET * parent,ULONG style,USHORT Id,GX_CONST GX_RECTANGLE * size,UINT widget_block_size)78 UINT _gxe_widget_create(GX_WIDGET *widget, GX_CONST GX_CHAR *name, GX_WIDGET *parent,
79 ULONG style, USHORT Id, GX_CONST GX_RECTANGLE *size, UINT widget_block_size)
80 {
81 UINT status;
82
83 /* Check for appropriate caller. */
84 GX_INIT_AND_THREADS_CALLER_CHECKING
85
86 /* Check for invalid input pointers. */
87 if ((widget == GX_NULL) || (size == GX_NULL))
88 {
89 return(GX_PTR_ERROR);
90 }
91
92 /* Check for widget already created. */
93 if (widget -> gx_widget_type != 0)
94 {
95 return(GX_ALREADY_CREATED);
96 }
97
98 /* Check for invalid parent widget. */
99 if (parent && (parent -> gx_widget_type == 0))
100 {
101 return(GX_INVALID_WIDGET);
102 }
103
104 /* Check for invalid control block size. */
105 if (widget_block_size != sizeof(GX_WIDGET))
106 {
107 return(GX_INVALID_SIZE);
108 }
109
110 /* Call actual widget create function. */
111 status = _gx_widget_create(widget, name, parent, style, Id, size);
112
113 /* Return completion status. */
114 return(status);
115 }
116
117
