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Diffstat (limited to 'src/qml/doc/snippets/qml/statemachine/historystate.qml')
-rw-r--r-- | src/qml/doc/snippets/qml/statemachine/historystate.qml | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/qml/doc/snippets/qml/statemachine/historystate.qml b/src/qml/doc/snippets/qml/statemachine/historystate.qml new file mode 100644 index 0000000000..237cf57175 --- /dev/null +++ b/src/qml/doc/snippets/qml/statemachine/historystate.qml @@ -0,0 +1,85 @@ +/**************************************************************************** +** +** 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 { + Button { + anchors.fill: parent + id: button + text: "Press me" + StateMachine { + id: stateMachine + initialState: parentState + running: true + StateBase { + id: parentState + initialState: child2 + onEntered: console.log("parentState entered") + onExited: console.log("parentState exited") + StateBase { + id: child1 + onEntered: console.log("child1 entered") + onExited: console.log("child1 exited") + } + StateBase { + id: child2 + onEntered: console.log("child2 entered") + onExited: console.log("child2 exited") + } + HistoryState { + id: historyState + defaultState: child1 + } + SignalTransition { + targetState: historyState + + // Clicking the button will cause the state machine to enter the child state + // that parentState was in the last time parentState was exited, or the history state's default + // state if parentState has never been entered. + signal: button.clicked + } + } + } + } +} +//! [document] |