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 /** Window Management (Window) */
19 /** */
20 /**************************************************************************/
21
22 #define GX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "gx_api.h"
28 #include "gx_window.h"
29
30 /* Bring in externs for caller checking code. */
31 GX_CALLER_CHECKING_EXTERNS
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _gxe_window_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 window create function call. */
46 /* */
47 /* INPUT */
48 /* */
49 /* window Pointer to window control */
50 /* block */
51 /* name Logical name of window */
52 /* parent Pointer to parent window */
53 /* style Window Style */
54 /* window_id Application-defined ID of the */
55 /* window */
56 /* size Size of the window */
57 /* window_control_block_size Size of the window control */
58 /* block */
59 /* */
60 /* OUTPUT */
61 /* */
62 /* status Completion status */
63 /* */
64 /* CALLS */
65 /* */
66 /* _gx_window_create Actual window create function */
67 /* */
68 /* CALLED BY */
69 /* */
70 /* Application Code */
71 /* */
72 /* RELEASE HISTORY */
73 /* */
74 /* DATE NAME DESCRIPTION */
75 /* */
76 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
77 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
78 /* resulting in version 6.1 */
79 /* */
80 /**************************************************************************/
_gxe_window_create(GX_WINDOW * window,GX_CONST GX_CHAR * name,GX_WIDGET * parent,ULONG style,USHORT window_id,GX_CONST GX_RECTANGLE * size,UINT window_control_block_size)81 UINT _gxe_window_create(GX_WINDOW *window, GX_CONST GX_CHAR *name, GX_WIDGET *parent,
82 ULONG style, USHORT window_id, GX_CONST GX_RECTANGLE *size,
83 UINT window_control_block_size)
84 {
85 UINT status;
86
87 /* Check for appropriate caller. */
88 GX_INIT_AND_THREADS_CALLER_CHECKING
89
90 /* Check for invalid input pointers. */
91 if ((window == GX_NULL) || (size == GX_NULL))
92 {
93 return(GX_PTR_ERROR);
94 }
95
96 /* Check for widget already created. */
97 if (window -> gx_widget_type != 0)
98 {
99 return(GX_ALREADY_CREATED);
100 }
101
102 /* Check for invalid widget control block size. */
103 if (window_control_block_size != sizeof(GX_WINDOW))
104 {
105 return(GX_INVALID_SIZE);
106 }
107
108 /* Check for invalid parent widget. */
109 if (parent && (parent -> gx_widget_type == 0))
110 {
111 return(GX_INVALID_WIDGET);
112 }
113
114 /* Call actual window create function. */
115 status = _gx_window_create(window, name, parent, style, window_id, size);
116
117 /* Return completion status. */
118 return(status);
119 }
120
121
