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/****************************************************************************
**
** Copyright (C) 2014 Ford Motor Company
** Contact: http://www.qt.io/licensing/
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
//! [document]
import QtQuick 2.0
import QtQml.StateMachine 1.0
Rectangle {
//![0]
Row {
anchors.fill: parent
spacing: 2
Button {
id: button
// change the button label to the active state id
text: s11.active ? "s11" : s12.active ? "s12" : "s13"
}
Button {
id: quitButton
text: "quit"
}
}
StateMachine {
id: stateMachine
// set the initial state
initialState: s1
// start the state machine
running: true
State {
id: s1
// set the initial state
initialState: s11
// create a transition from s1 to s2 when the button is clicked
SignalTransition {
targetState: s2
signal: quitButton.clicked
}
// do something when the state enters/exits
onEntered: console.log("s1 entered")
onExited: console.log("s1 exited")
State {
id: s11
// create a transition from s11 to s12 when the button is clicked
SignalTransition {
targetState: s12
signal: button.clicked
}
// do something when the state enters/exits
onEntered: console.log("s11 entered")
onExited: console.log("s11 exited")
}
State {
id: s12
// create a transition from s12 to s13 when the button is clicked
SignalTransition {
targetState: s13
signal: button.clicked
}
// do something when the state enters/exits
onEntered: console.log("s12 entered")
onExited: console.log("s12 exited")
}
State {
id: s13
// create a transition from s13 to s11 when the button is clicked
SignalTransition {
targetState: s11
signal: button.clicked
}
// do something when the state enters/exits
onEntered: console.log("s13 entered")
onExited: console.log("s13 exited")
}
}
FinalState {
id: s2
onEntered: console.log("s2 entered")
onExited: console.log("s2 exited")
}
onFinished: Qt.quit()
}
//![0]
}
//! [document]
|
