1/****************************************************************************
2**
3** Copyright (C) 2017 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the documentation of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24**   * Redistributions of source code must retain the above copyright
25**     notice, this list of conditions and the following disclaimer.
26**   * Redistributions in binary form must reproduce the above copyright
27**     notice, this list of conditions and the following disclaimer in
28**     the documentation and/or other materials provided with the
29**     distribution.
30**   * Neither the name of The Qt Company Ltd nor the names of its
31**     contributors may be used to endorse or promote products derived
32**     from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
50//![document]
51import QtQuick 2.0
52
53//![parent begin]
54Rectangle {
55//![parent begin]
56
57    id: screen
58    width: 400; height: 500
59
60
61Rectangle {
62    id: flag
63}
64Column {
65    spacing: 15
66//![signal states]
67Rectangle {
68    id: signal
69    width: 200; height: 200
70    state: "NORMAL"
71
72    states: [
73        State {
74            name: "NORMAL"
75            PropertyChanges { target: signal; color: "green"}
76            PropertyChanges { target: flag; state: "FLAG_DOWN"}
77        },
78        State {
79            name: "CRITICAL"
80            PropertyChanges { target: signal; color: "red"}
81            PropertyChanges { target: flag; state: "FLAG_UP"}
82        }
83    ]
84}
85//![signal states]
86
87//![switch states]
88Rectangle {
89    id: signalswitch
90    width: 75; height: 75
91    color: "blue"
92
93    MouseArea {
94        anchors.fill: parent
95        onClicked: {
96            if (signal.state == "NORMAL")
97                signal.state = "CRITICAL"
98            else
99                signal.state = "NORMAL"
100        }
101    }
102}
103//![switch states]
104
105//![when property]
106Rectangle {
107    id: bell
108    width: 75; height: 75
109    color: "yellow"
110
111    states: State {
112                name: "RINGING"
113                when: (signal.state == "CRITICAL")
114                PropertyChanges {target: speaker; play: "RING!"}
115            }
116}
117//![when property]
118
119Text {
120    id: speaker
121    property alias play: speaker.text
122    text: "NORMAL"
123}
124
125} // end of row
126
127//![parent end]
128}
129//![parent end]
130
131//![document]
132