transitions.qml Example File
animation/states/transitions.qml/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/import QtQuick 2.0 /* This is exactly the same as states.qml, except that we have appended a set of transitions to apply animations when the item changes between each state. */ Rectangle { id: page width: 640; height: 480 color: "#343434" Image { id: userIcon x: topLeftRect.x; y: topLeftRect.y source: "qt-logo.png" } Rectangle { id: topLeftRect anchors { left: parent.left; top: parent.top; leftMargin: 10; topMargin: 20 } width: 46; height: 54 color: "Transparent"; border.color: "Gray"; radius: 6 // Clicking in here sets the state to the default state, returning the image to // its initial position MouseArea { anchors.fill: parent; onClicked: page.state = '' } } Rectangle { id: middleRightRect anchors { right: parent.right; verticalCenter: parent.verticalCenter; rightMargin: 20 } width: 46; height: 54 color: "Transparent"; border.color: "Gray"; radius: 6 // Clicking in here sets the state to 'middleRight' MouseArea { anchors.fill: parent; onClicked: page.state = 'middleRight' } } Rectangle { id: bottomLeftRect anchors { left: parent.left; bottom: parent.bottom; leftMargin: 10; bottomMargin: 20 } width: 46; height: 54 color: "Transparent"; border.color: "Gray"; radius: 6 // Clicking in here sets the state to 'bottomLeft' MouseArea { anchors.fill: parent; onClicked: page.state = 'bottomLeft' } } states: [ // In state 'middleRight', move the image to middleRightRect State { name: "middleRight" PropertyChanges { target: userIcon; x: middleRightRect.x; y: middleRightRect.y } }, // In state 'bottomLeft', move the image to bottomLeftRect State { name: "bottomLeft" PropertyChanges { target: userIcon; x: bottomLeftRect.x; y: bottomLeftRect.y } } ] // ![0] // Transitions define how the properties change when the item moves between each state transitions: [ // When transitioning to 'middleRight' move x,y over a duration of 1 second, // with OutBounce easing function. Transition { from: "*"; to: "middleRight" NumberAnimation { properties: "x,y"; easing.type: Easing.OutBounce; duration: 1000 } }, // When transitioning to 'bottomLeft' move x,y over a duration of 2 seconds, // with InOutQuad easing function. Transition { from: "*"; to: "bottomLeft" NumberAnimation { properties: "x,y"; easing.type: Easing.InOutQuad; duration: 2000 } }, // For any other state changes move x,y linearly over duration of 200ms. Transition { NumberAnimation { properties: "x,y"; duration: 200 } } // ![0] ] }
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