1 |
|
|
/*************************************************************************** |
2 |
|
|
* Copyright (c) 2024 Microsoft Corporation |
3 |
|
|
* Copyright (c) 2026-present Eclipse ThreadX contributors |
4 |
|
|
* |
5 |
|
|
* This program and the accompanying materials are made available under the |
6 |
|
|
* terms of the MIT License which is available at |
7 |
|
|
* https://opensource.org/licenses/MIT. |
8 |
|
|
* |
9 |
|
|
* SPDX-License-Identifier: MIT |
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_system.h" |
29 |
|
|
#include "gx_widget.h" |
30 |
|
|
#include "gx_utility.h" |
31 |
|
|
|
32 |
|
|
|
33 |
|
|
/**************************************************************************/ |
34 |
|
|
/* */ |
35 |
|
|
/* FUNCTION RELEASE */ |
36 |
|
|
/* */ |
37 |
|
|
/* _gx_widget_link PORTABLE C */ |
38 |
|
|
/* 6.1 */ |
39 |
|
|
/* AUTHOR */ |
40 |
|
|
/* */ |
41 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
42 |
|
|
/* */ |
43 |
|
|
/* DESCRIPTION */ |
44 |
|
|
/* */ |
45 |
|
|
/* This function links a child widget to it's parent */ |
46 |
|
|
/* */ |
47 |
|
|
/* INPUT */ |
48 |
|
|
/* */ |
49 |
|
|
/* parent The parent widget */ |
50 |
|
|
/* widget The child widget */ |
51 |
|
|
/* */ |
52 |
|
|
/* OUTPUT */ |
53 |
|
|
/* */ |
54 |
|
|
/* status Completion status */ |
55 |
|
|
/* */ |
56 |
|
|
/* CALLS */ |
57 |
|
|
/* */ |
58 |
|
|
/* _gx_widget_unlink Unlink from previous parent */ |
59 |
|
|
/* _gx_widget_show Show the widget */ |
60 |
|
|
/* */ |
61 |
|
|
/* CALLED BY */ |
62 |
|
|
/* */ |
63 |
|
|
/* GUIX Internal Code */ |
64 |
|
|
/* */ |
65 |
|
|
/**************************************************************************/ |
66 |
|
154966 |
VOID _gx_widget_link(GX_WIDGET *parent, GX_WIDGET *widget) |
67 |
|
|
{ |
68 |
|
|
GX_WIDGET *sibling; |
69 |
|
|
|
70 |
|
|
/* if this widget already has a different parent, then first unlink it */ |
71 |
✓✓ |
154966 |
if (widget -> gx_widget_parent) |
72 |
|
|
{ |
73 |
✓✓ |
1278 |
if (widget -> gx_widget_parent == parent) |
74 |
|
|
{ |
75 |
|
|
/* already linked as child of this parent, nothing to do */ |
76 |
|
1275 |
return; |
77 |
|
|
} |
78 |
|
3 |
_gx_widget_unlink(widget); |
79 |
|
|
} |
80 |
|
|
|
81 |
|
|
/* Determine if a parent widget was provided. */ |
82 |
✓✓ |
153691 |
if (parent) |
83 |
|
|
{ |
84 |
|
|
/* Yes, is there already a child for this parent? */ |
85 |
✓✓ |
153690 |
if (parent -> gx_widget_first_child) |
86 |
|
|
{ |
87 |
|
|
/* Yes, find the last child. */ |
88 |
|
106223 |
sibling = parent -> gx_widget_last_child; |
89 |
|
|
|
90 |
|
|
/* Put this widget at the end of the list. */ |
91 |
|
106223 |
sibling -> gx_widget_next = widget; |
92 |
|
106223 |
widget -> gx_widget_previous = sibling; |
93 |
|
106223 |
widget -> gx_widget_next = NULL; |
94 |
|
|
} |
95 |
|
|
else |
96 |
|
|
{ |
97 |
|
|
|
98 |
|
|
/* First child, simply add the widget. */ |
99 |
|
47467 |
parent -> gx_widget_first_child = widget; |
100 |
|
|
} |
101 |
|
|
|
102 |
|
|
/* Setup the last child pointer and remember the parent widget. */ |
103 |
|
153690 |
parent -> gx_widget_last_child = widget; |
104 |
|
153690 |
widget -> gx_widget_parent = parent; |
105 |
|
|
|
106 |
✓✓ |
153690 |
if (parent -> gx_widget_status & GX_STATUS_VISIBLE) |
107 |
|
|
{ |
108 |
|
1942 |
_gx_widget_show(widget); |
109 |
|
|
} |
110 |
|
|
} |
111 |
|
|
} |
112 |
|
|
|