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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the manual tests 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.8
import Qt.labs.handlers 1.0
import "content"
Rectangle {
width: 1024; height: 600
color: "beige"
objectName: "beige root"
function getTransformationDetails(item, pinchhandler) {
return "scale:" + pinchhandler.scale.toFixed(2)
+ " rotation:" + pinchhandler.rotation.toFixed(2)
+ " translation:" + "(" + pinchhandler.translation.x.toFixed(2) + "," + pinchhandler.translation.y.toFixed(2) + ")"
}
Rectangle {
id: container
objectName: "container rect"
width: 600
height: 500
color: pinch3.active ? "red" : "black"
antialiasing: true
Loader {
source: "../touch/mpta-crosshairs.qml"
anchors.fill: parent
anchors.margins: 2
}
Item {
anchors.fill: parent
// In order for PinchHandler to get a chance to take a passive grab, it has to get the touchpoints first.
// In order to get the touchpoints first, it has to be on top of the Z order: i.e. come last in paintOrderChildItems().
// This is the opposite situation as with filtersChildMouseEvents: e.g. PinchArea would have wanted to be the parent,
// if it even knew that trick (which it doesn't).
PinchHandler {
id: pinch3
objectName: "3-finger pinch"
target: container
requiredPointCount: 3
minimumScale: 0.1
maximumScale: 10
onActiveChanged: if (!active) fling.restart(centroidVelocity)
}
DragHandler {
id: dragHandler
objectName: "DragHandler"
target: container
acceptedModifiers: Qt.MetaModifier
onActiveChanged: if (!active) fling.restart(point.velocity)
}
}
MomentumAnimation { id: fling; target: container }
}
Text {
anchors.bottom: parent.bottom
text: pinch3.active ? getTransformationDetails(container, pinch3) : "Pinch with 3 fingers to scale, rotate and translate"
}
}
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