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
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _gx_window_root_create PORTABLE C */
36 /* 6.3.0 */
37 /* AUTHOR */
38 /* */
39 /* Kenneth Maxwell, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This function creates a root window, which is a special type of */
44 /* widget. */
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 /* memset Set control block to zero */
63 /* _gx_window_create Create the underlying window */
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 /* 10-31-2023 Ting Zhu Modified comment(s), */
77 /* updated the link logic, */
78 /* resulting in version 6.3.0 */
79 /* */
80 /**************************************************************************/
_gx_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)81 UINT _gx_window_root_create(GX_WINDOW_ROOT *root_window, GX_CONST GX_CHAR *name,
82 GX_CANVAS *canvas, ULONG style, USHORT Id,
83 GX_CONST GX_RECTANGLE *size)
84 {
85
86 /* Clear the root window control block. */
87 memset(root_window, 0, sizeof(GX_WINDOW_ROOT));
88
89 /* Call the standard window create API. */
90 _gx_window_create((GX_WINDOW *)root_window, name, GX_NULL, style, Id, size);
91
92 /* Populate the rest of root window control block - overriding as necessary. */
93 root_window -> gx_widget_normal_fill_color = GX_COLOR_ID_CANVAS;
94 root_window -> gx_widget_selected_fill_color = GX_COLOR_ID_CANVAS;
95 root_window -> gx_widget_disabled_fill_color = GX_COLOR_ID_CANVAS;
96 root_window -> gx_widget_type = GX_TYPE_ROOT_WINDOW;
97 root_window -> gx_window_root_canvas = canvas;
98 root_window -> gx_window_root_views_changed = GX_TRUE;
99 root_window -> gx_widget_status &= ~GX_STATUS_MOVABLE;
100 root_window -> gx_widget_event_process_function = (UINT (*)(GX_WIDGET *, GX_EVENT *))_gx_window_root_event_process;
101
102 GX_ENTER_CRITICAL
103
104 if (_gx_system_root_window_created_list)
105 {
106 /* link this root to the one previously created */
107 root_window -> gx_widget_next = (GX_WIDGET *)_gx_system_root_window_created_list;
108
109 _gx_system_root_window_created_list -> gx_widget_previous = (GX_WIDGET *)root_window;
110 }
111
112 /* Update the root window pointer */
113 _gx_system_root_window_created_list = root_window;
114
115 GX_EXIT_CRITICAL
116
117 /* Return the status from window create. */
118 return(GX_SUCCESS);
119 }
120
121
