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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
import QtQuick 2.12
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
minimumPointCount: 3
minimumScale: 0.1
maximumScale: 10
onActiveChanged: if (!active) fling.restart(centroid.velocity)
}
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\nHold down Meta to drag with one finger or mouse"
}
}
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