Main.qml Example File

multimedia/video/qmlvideofx/qml/qmlvideofx/Main.qml 
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 import QtQuick 2.1
 import QtQuick.Window 2.1

 Rectangle {
     id: root
     color: "black"
     property string fileName
     property alias volume: content.volume
     property bool perfMonitorsLogging: false
     property bool perfMonitorsVisible: false
     property int pixDens: Math.ceil(Screen.pixelDensity)
     property int itemWidth: 25 * pixDens
     property int itemHeight: 10 * pixDens
     property int windowWidth: Screen.desktopAvailableWidth
     property int windowHeight: Screen.desktopAvailableHeight
     property int scaledMargin: 2 * pixDens
     property int fontSize: 5 * pixDens

     QtObject {
         id: d
         property real gripSize: 20
     }

     Content {
         id: content
         color: "transparent"
         anchors {
             top: parent.top
             left: parent.left
             right: parent.right
             bottom: parameterPanel.top
             margins: scaledMargin
             leftMargin: scaledMargin + itemHeight
         }
         gripSize: d.gripSize
     }

     ParameterPanel {
         id: parameterPanel
         anchors {
             left: parent.left
             right: effectName.left
             bottom: parent.bottom
             margins: scaledMargin
             leftMargin: scaledMargin + itemHeight
         }
         gripSize: d.gripSize
         height: root.itemHeight * 2.5
         width: root.itemWidth * 3
     }

     Button {
         id: effectName
         anchors {
                     right: parent.right
                     bottom: perfHolder.top
                     margins: scaledMargin
                 }

         text: "No effect"
         width: itemWidth * 2
         height: itemHeight
         onClicked: {
             effectName.visible = false
             listview.visible = true
             lvbg.visible = true
         }
         color: "#303030"
     }

     Rectangle {
         id: lvbg
         width: itemWidth * 2
         color: "black"
         opacity: 0.8
         visible: false

         anchors {
                     right: parent.right
                     bottom: perfHolder.top
                     top: parent.top
                     margins: scaledMargin
                 }

         ListView {
             id: listview
             width: itemWidth * 2
             anchors.fill: parent
             visible: false

             model: EffectSelectionList {}
             delegate: effectDelegate

             clip: true
             focus: true

             Component {
                 id: effectDelegate
                 Button {
                     text: name
                     width: itemWidth * 2
                     onClicked: {
                         content.effectSource = source
                         listview.visible = false
                         lvbg.visible = false
                         effectName.text = name
                         effectName.visible = true
                         parameterPanel.model = content.effect.parameters

                     }
                 }
             }
         }
     }

     Rectangle {
         id: perfHolder
         color: "transparent"
         anchors {
             right: parent.right
             bottom: parent.bottom
             margins: scaledMargin
         }
         height: root.itemHeight * 1.5
         width: root.itemWidth

         Loader {
             id: performanceLoader
             function init() {
                 var enabled = root.perfMonitorsLogging || root.perfMonitorsVisible
                 source = enabled ? "../performancemonitor/PerformanceItem.qml" : ""
             }
             onLoaded: {
                 item.parent = perfHolder
                 item.anchors.top = perfHolder.top
                 item.anchors.bottom = perfHolder.bottom
                 item.anchors.left = perfHolder.left
                 item.anchors.right = perfHolder.right
                 item.logging = root.perfMonitorsLogging
                 item.displayed = root.perfMonitorsVisible
                 item.init()
             }
         }
     }

     FileOpen {
         id: fileOpen
         state: "collapsed"
         anchors {
             left: parent.left
             top: parent.top
             bottom: parent.bottom
             margins: scaledMargin
         }
         width: itemHeight + scaledMargin
         z: 2
         opacity: 0.9

         states: [
             State {
                 name: "expanded"
                 PropertyChanges {
                     target: fileOpen
                     width: itemWidth * 1.5
                     opacity: 0.8
                 }
             },
             State {
                 name: "collapsed"
                 PropertyChanges {
                     target: fileOpen
                     width: itemHeight + scaledMargin
                     opacity: 0.9
                 }
             }
         ]

         transitions: [
             Transition {
                 NumberAnimation { target: fileOpen; property: "width"; duration: 100 }
                 NumberAnimation { target: fileOpen; property: "opacity"; duration: 100 }
             }
         ]
     }

     FileBrowser {
         id: imageFileBrowser
         anchors.fill: root
         Component.onCompleted: fileSelected.connect(content.openImage)
     }

     FileBrowser {
         id: videoFileBrowser
         anchors.fill: root
         Component.onCompleted: fileSelected.connect(content.openVideo)
     }

     Component.onCompleted: {
         fileOpen.openImage.connect(openImage)
         fileOpen.openVideo.connect(openVideo)
         fileOpen.openCamera.connect(openCamera)
         fileOpen.close.connect(close)
     }

     function init() {
         if (Qt.platform.os === "linux" || Qt.platform.os === "windows" || Qt.platform.os === "osx" || Qt.platform.os === "unix") {
             if (Screen.desktopAvailableWidth > 1280) {
                 windowWidth = 1280
             }
             if (Screen.desktopAvailableHeight > 720) {
                 windowHeight = 720
             }
         }

         height = windowHeight
         width = windowWidth

         imageFileBrowser.folder = imagePath
         videoFileBrowser.folder = videoPath
         content.init()
         performanceLoader.init()
         if (fileName != "")
             content.openVideo(fileName)
     }

     function qmlFramePainted() {
         if (performanceLoader.item)
             performanceLoader.item.qmlFramePainted()
     }

     function openImage() {
         imageFileBrowser.show()
     }

     function openVideo() {
         videoFileBrowser.show()
     }

     function openCamera() {
         content.openCamera()
     }

     function close() {
         content.init()
     }
 }

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