diff options
Diffstat (limited to 'src/qml/doc/snippets/qml/statemachine/statemachine-button-history.qml')
-rw-r--r-- | src/qml/doc/snippets/qml/statemachine/statemachine-button-history.qml | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/qml/doc/snippets/qml/statemachine/statemachine-button-history.qml b/src/qml/doc/snippets/qml/statemachine/statemachine-button-history.qml new file mode 100644 index 0000000000..10595a9398 --- /dev/null +++ b/src/qml/doc/snippets/qml/statemachine/statemachine-button-history.qml @@ -0,0 +1,150 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Ford Motor Company +** Contact: http://www.qt-project.org/legal +** +** 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 Digia Plc and its Subsidiary(-ies) 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 QtQml.StateMachine 1.0 +import QtQuick 2.0 + +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.active ? "s13" : "s3" + } + Button { + id: interruptButton + text: s1.active ? "Interrupt" : "Resume" + } + Button { + id: quitButton + // change the button label to the active state id + text: "quit" + } + } + + StateMachine { + id: stateMachine + // set the initial state + initialState: s1 + + // start the state machine + running: true + + StateBase { + 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") + StateBase { + id: s11 + // create a transition from s1 to s2 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") + } + + StateBase { + id: s12 + // create a transition from s2 to s3 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") + } + StateBase { + id: s13 + // create a transition from s3 to s1 when the button is clicked + SignalTransition { + targetState: s1 + signal: button.clicked + } + // do something when the state enters/exits + onEntered: console.log("s13 entered") + onExited: console.log("s13 exited") + } + + // create a transition from s1 to s3 when the button is clicked + SignalTransition { + targetState: s3 + signal: interruptButton.clicked + } + HistoryState { + id: s1h + } + } + FinalState { + id: s2 + onEntered: console.log("s2 entered") + onExited: console.log("s2 exited") + } + StateBase { + id: s3 + SignalTransition { + targetState: s1h + signal: interruptButton.clicked + } + // do something when the state enters/exits + onEntered: console.log("s3 entered") + onExited: console.log("s3 exited") + } + onFinished: Qt.quit() + } +//![0] +} +//! [document] |