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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCanvas3D module 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
MouseArea {
id: mouseSwipeArea
preventStealing: true
property real prevX: 0
property real prevY: 0
property real velocityX: 0.0
property real velocityY: 0.0
property int startX: 0
property int startY: 0
property bool tracing: false
signal swipeLeft()
signal swipeRight()
signal swipeUp()
signal swipeDown()
onPressed: {
startX = mouse.x
startY = mouse.y
prevX = mouse.x
prevY = mouse.y
velocityX = 0
velocityY = 0
tracing = true
}
onPositionChanged: {
if ( !tracing ) return
var currVelX = (mouse.x-prevX)
var currVelY = (mouse.y-prevY)
velocityX = (velocityX + currVelX)/2.0;
velocityY = (velocityY + currVelY)/2.0;
prevX = mouse.x
prevY = mouse.y
if ( velocityX > 15 && mouse.x > mouseSwipeArea.width * 0.25 ) {
tracing = false
// Swipe Right
mouseSwipeArea.swipeRight()
} else if ( velocityX < -15 && mouse.x < mouseSwipeArea.width * 0.75 ) {
tracing = false
// Swipe Left
mouseSwipeArea.swipeLeft()
} else if (velocityY > 15 && mouse.y > mouseSwipeArea.height * 0.25 ) {
tracing = false
// Swipe Down
mouseSwipeArea.swipeDown()
} else if ( velocityY < -15 && mouse.y < mouseSwipeArea.height * 0.75 ) {
tracing = false
// Swipe Up
mouseSwipeArea.swipeUp()
}
}
}
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