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_system.h"
28 #include "gx_window.h"
29
30 /* Bring in externs for caller checking code. */
31 GX_CALLER_CHECKING_EXTERNS
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _gxe_window_root_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 window root create function call.*/
45 /* */
46 /* INPUT */
47 /* */
48 /* root_window Root window control block */
49 /* name Name of window */
50 /* canvas Canvas this root window */
51 /* belongs to */
52 /* style Style of window */
53 /* Id User-specified root window ID */
54 /* size Window size */
55 /* */
56 /* OUTPUT */
57 /* */
58 /* status Completion status */
59 /* */
60 /* CALLS */
61 /* */
62 /* _gx_window_root_create Actual root window create call*/
63 /* */
64 /* CALLED BY */
65 /* */
66 /* Application Code */
67 /* */
68 /* RELEASE HISTORY */
69 /* */
70 /* DATE NAME DESCRIPTION */
71 /* */
72 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
73 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
74 /* resulting in version 6.1 */
75 /* */
76 /**************************************************************************/
_gxe_window_root_create(GX_WINDOW_ROOT * root_window,GX_CONST GX_CHAR * name,GX_CANVAS * canvas,ULONG style,USHORT Id,GX_CONST GX_RECTANGLE * size,UINT root_window_control_block_size)77 UINT _gxe_window_root_create(GX_WINDOW_ROOT *root_window,
78 GX_CONST GX_CHAR *name, GX_CANVAS *canvas,
79 ULONG style, USHORT Id, GX_CONST GX_RECTANGLE *size, UINT root_window_control_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 ((root_window == GX_NULL) || (size == GX_NULL))
88 {
89 return(GX_PTR_ERROR);
90 }
91
92 /* Check for invalid input pointers. */
93 if (canvas == GX_NULL)
94 {
95 return(GX_PTR_ERROR);
96 }
97
98 /* Check for invalid widget control block size. */
99 if (root_window_control_block_size != sizeof(GX_WINDOW_ROOT))
100 {
101 return(GX_INVALID_SIZE);
102 }
103
104 /* Check for widget already created. */
105 if (root_window -> gx_widget_type != 0)
106 {
107 return(GX_ALREADY_CREATED);
108 }
109
110 /* Call actual root window create function. */
111 status = _gx_window_root_create(root_window, name, canvas, style, Id, size);
112
113 return(status);
114 }
115
116
