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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite 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
Rectangle {
width: 1024; height: 600
color: "beige"
objectName: "beige root"
Rectangle {
id: container
objectName: "container rect"
width: 600
height: 500
color: "black"
border.color: pinch3.active ? "red" : "black"
border.width: 3
antialiasing: true
MultiPointTouchArea {
id: mpta
anchors.fill: parent
//onGestureStarted: gesture.grab() // in case this is embedded in something that might steal
touchPoints: [
TouchPoint { property color color: "red" },
TouchPoint { property color color: "orange" },
TouchPoint { property color color: "lightsteelblue" },
TouchPoint { property color color: "green" }
] }
Repeater {
model: 4
Item {
id: crosshairs
property TouchPoint touchPoint
x: touchPoint.x - width / 2
y: touchPoint.y - height / 2
width: 300; height: 300
visible: touchPoint.pressed
rotation: touchPoint.rotation
Rectangle {
color: touchPoint.color
anchors.centerIn: parent
width: 2; height: parent.height
antialiasing: true
}
Rectangle {
color: touchPoint.color
anchors.centerIn: parent
width: parent.width; height: 2
antialiasing: true
}
Component.onCompleted: touchPoint = mpta.touchPoints[index]
}
}
Item {
objectName: "pinch and drag"
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
minimumPointCount: 3
minimumScale: 0.1
maximumScale: 10
}
DragHandler {
id: dragHandler
objectName: "DragHandler"
target: container
}
}
}
}
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