1 /***************************************************************************
2 * Copyright (c) 2024 Microsoft Corporation
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the MIT License which is available at
6 * https://opensource.org/licenses/MIT.
7 *
8 * SPDX-License-Identifier: MIT
9 **************************************************************************/
10
11
12 /**************************************************************************/
13 /**************************************************************************/
14 /** */
15 /** GUIX Component */
16 /** */
17 /** Window Management (Window) */
18 /** */
19 /**************************************************************************/
20
21 #define GX_SOURCE_CODE
22
23
24 /* Include necessary system files. */
25
26 #include "gx_api.h"
27 #include "gx_window.h"
28
29 /* Bring in externs for caller checking code. */
30 GX_CALLER_CHECKING_EXTERNS
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _gxe_window_create PORTABLE C */
37 /* 6.1 */
38 /* AUTHOR */
39 /* */
40 /* Kenneth Maxwell, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function checks for errors in the window create function call. */
45 /* */
46 /* INPUT */
47 /* */
48 /* window Pointer to window control */
49 /* block */
50 /* name Logical name of window */
51 /* parent Pointer to parent window */
52 /* style Window Style */
53 /* window_id Application-defined ID of the */
54 /* window */
55 /* size Size of the window */
56 /* window_control_block_size Size of the window control */
57 /* block */
58 /* */
59 /* OUTPUT */
60 /* */
61 /* status Completion status */
62 /* */
63 /* CALLS */
64 /* */
65 /* _gx_window_create Actual window create function */
66 /* */
67 /* CALLED BY */
68 /* */
69 /* Application Code */
70 /* */
71 /* RELEASE HISTORY */
72 /* */
73 /* DATE NAME DESCRIPTION */
74 /* */
75 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
76 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
77 /* resulting in version 6.1 */
78 /* */
79 /**************************************************************************/
_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)80 UINT _gxe_window_create(GX_WINDOW *window, GX_CONST GX_CHAR *name, GX_WIDGET *parent,
81 ULONG style, USHORT window_id, GX_CONST GX_RECTANGLE *size,
82 UINT window_control_block_size)
83 {
84 UINT status;
85
86 /* Check for appropriate caller. */
87 GX_INIT_AND_THREADS_CALLER_CHECKING
88
89 /* Check for invalid input pointers. */
90 if ((window == GX_NULL) || (size == GX_NULL))
91 {
92 return(GX_PTR_ERROR);
93 }
94
95 /* Check for widget already created. */
96 if (window -> gx_widget_type != 0)
97 {
98 return(GX_ALREADY_CREATED);
99 }
100
101 /* Check for invalid widget control block size. */
102 if (window_control_block_size != sizeof(GX_WINDOW))
103 {
104 return(GX_INVALID_SIZE);
105 }
106
107 /* Check for invalid parent widget. */
108 if (parent && (parent -> gx_widget_type == 0))
109 {
110 return(GX_INVALID_WIDGET);
111 }
112
113 /* Call actual window create function. */
114 status = _gx_window_create(window, name, parent, style, window_id, size);
115
116 /* Return completion status. */
117 return(status);
118 }
119
120
