flickresize.qml Example File | Qt Quick 5.12.11

- Qt 5.12
- Qt Quick
- Qt Quick Examples - Touch Interaction
- flickresize.qml Example File
- Qt 5.12.11 Reference Documentation

# flickresize.qml Example File

touchinteraction/pincharea/flickresize.qml

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     import QtQuick 2.0

     Rectangle {
         width: 640
         height: 360
         color: "gray"

         Flickable {
             id: flick
             anchors.fill: parent
             contentWidth: 500
             contentHeight: 500

             PinchArea {
                 width: Math.max(flick.contentWidth, flick.width)
                 height: Math.max(flick.contentHeight, flick.height)

                 property real initialWidth
                 property real initialHeight
                 onPinchStarted: {
                     initialWidth = flick.contentWidth
                     initialHeight = flick.contentHeight
                 }

                 onPinchUpdated: {
                     // adjust content pos due to drag
                     flick.contentX += pinch.previousCenter.x - pinch.center.x
                     flick.contentY += pinch.previousCenter.y - pinch.center.y

                     // resize content
                     flick.resizeContent(initialWidth * pinch.scale, initialHeight * pinch.scale, pinch.center)
                 }

                 onPinchFinished: {
                     // Move its content within bounds.
                     flick.returnToBounds()
                 }

                 Rectangle {
                     width: flick.contentWidth
                     height: flick.contentHeight
                     color: "white"
                     Image {
                         anchors.fill: parent
                         source: "qt-logo.jpg"
                         MouseArea {
                             anchors.fill: parent
                             onDoubleClicked: {
                                 flick.contentWidth = 500
                                 flick.contentHeight = 500
                             }
                         }
                     }
                 }
             }
         }
     }