Warning, /plasma/libplasma/tests/window.qml is written in an unsupported language. File is not indexed.

 
 import QtQuick 2.15
 import QtQuick.Controls 2.15
 import QtQuick.Layouts 1.0
 
 import org.kde.plasma.core 2.0 as PlasmaCore
 
 import org.kde.graphicaleffects 1.0
 
 import QtGraphicalEffects 1.15
 
 ApplicationWindow {
 
     width: 1000
     height: 500
     RowLayout {
         id: topRow
         Label {
             text: "Win ID (find via xwininfo)"
         }
         TextField {
             id: winIdInput
             text: ""
             placeholderText: "0x000000"
         }
 
         GridLayout {
             columns: 3
             Label {
                 text: "Resolution"
             }
             Slider {
                 id: resolutionSlider
                 from: 0
                 to: 1
                 value: 0.5
             }
             Label {
                 text: resolutionSlider.value
             }
             Label {
                 text: "Window Sin C"
             }
             Slider {
                 id: windowSincSlider
                 from: 0
                 to: 1
                 value: 0.5
             }
             Label {
                 text: windowSincSlider.value
             }
             Label {
                 text: "Sin C"
             }
             Slider {
                 id: sincSlider
                 from: 0
                 to: 1
                 value: 0.5
             }
             Label {
                 text: sincSlider.value
             }
         }
     }
 
 
 
     GridLayout {
         anchors.left: parent.left
         anchors.right: parent.right
         anchors.top: topRow.bottom
         height: 200
 
         columns: 2
         Label {
             text: "Window"
             Layout.fillWidth: true
             horizontalAlignment: Text.AlignHCenter
         }
 
         Label {
             text: "Lanczos"
             Layout.fillWidth: true
             horizontalAlignment: Text.AlignHCenter
         }
 
         PlasmaCore.WindowThumbnail {
             id: thumb
 
             Layout.fillWidth: true
             Layout.fillHeight: true
 
             winId: parseInt(winIdInput.text, 16)
             visible: true
         }
 
 
         Lanczos {
             source: thumb
             Layout.fillWidth: true
             Layout.fillHeight: true
             sourceSize: Qt.size(thumb.paintedWidth, thumb.paintedHeight)
             resolution: resolutionSlider.value
             windowSinc: windowSincSlider.value
             sinc: sincSlider.value
         }
     }
 }