Qt 5.8 | Qt Quick Extras | Qt Quick Extras - Gallery | PieMenuControlView.qml Example File

Qt 5.8.0 Reference Documentation

# PieMenuControlView.qml Example File

gallery/qml/PieMenuControlView.qml

      /****************************************************************************
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      ** This file is part of the examples of the Qt Toolkit.
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      import QtQuick 2.2
      import QtGraphicalEffects 1.0
      import QtQuick.Controls 1.1
      import QtQuick.Extras 1.4

      Rectangle {
          id: view
          color: customizerItem.currentStyleDark ? "#111" : "#555"

          Behavior on color {
              ColorAnimation {}
          }

          Keys.onReleased: {
              if (event.key === Qt.Key_Back) {
                  stackView.pop();
                  event.accepted = true;
              }
          }

          property bool darkBackground: true

          property Component mouseArea

          property Component customizer: Item {
              property alias currentStylePath: stylePicker.currentStylePath
              property alias currentStyleDark: stylePicker.currentStyleDark

              StylePicker {
                  id: stylePicker
                  currentIndex: 0
                  width: Math.round(Math.max(textSingleton.implicitHeight * 6 * 2, parent.width * 0.5))
                  anchors.centerIn: parent

                  model: ListModel {
                      ListElement {
                          name: "Default"
                          path: "PieMenuDefaultStyle.qml"
                          dark: false
                      }
                      ListElement {
                          name: "Dark"
                          path: "PieMenuDarkStyle.qml"
                          dark: true
                      }
                  }
              }
          }

          property alias controlItem: pieMenu
          property alias customizerItem: customizerLoader.item

          Item {
              id: controlBoundsItem
              width: parent.width
              height: parent.height - toolbar.height
              visible: customizerLoader.opacity === 0

              Image {
                  id: bgImage
                  anchors.centerIn: parent
                  height: 48
                  Text {
                      id: bgLabel
                      anchors.top: parent.bottom
                      anchors.topMargin: 20
                      anchors.horizontalCenter: parent.horizontalCenter
                      text: "Tap to open"
                      color: "#999"
                      font.pointSize: 20
                  }
              }

              MouseArea {
                  id: touchArea
                  anchors.fill: parent
                  onClicked: pieMenu.popup(touchArea.mouseX, touchArea.mouseY)
              }

              PieMenu {
                  id: pieMenu
                  triggerMode: TriggerMode.TriggerOnClick
                  width: Math.min(controlBoundsItem.width, controlBoundsItem.height) * 0.5
                  height: width

                  style: Qt.createComponent(customizerItem.currentStylePath)

                  MenuItem {
                      text: "Zoom In"
                      onTriggered: {
                          bgImage.source = iconSource
                          bgLabel.text = text + " selected"
                      }
                      iconSource: "qrc:/images/zoom_in.png"
                  }
                  MenuItem {
                      text: "Zoom Out"
                      onTriggered: {
                          bgImage.source = iconSource
                          bgLabel.text = text + " selected"
                      }
                      iconSource: "qrc:/images/zoom_out.png"
                  }
                  MenuItem {
                      text: "Info"
                      onTriggered: {
                          bgImage.source = iconSource
                          bgLabel.text = text + " selected"
                      }
                      iconSource: "qrc:/images/info.png"
                  }
              }
          }
          Loader {
              id: customizerLoader
              sourceComponent: customizer
              opacity: 0
              anchors.left: parent.left
              anchors.right: parent.right
              anchors.leftMargin: 30
              anchors.rightMargin: 30
              y: parent.height / 2 - height / 2 - toolbar.height
              visible: customizerLoader.opacity > 0

              property alias view: view

              Behavior on y {
                  NumberAnimation {
                      duration: 300
                  }
              }

              Behavior on opacity {
                  NumberAnimation {
                      duration: 300
                  }
              }
          }

          ControlViewToolbar {
              id: toolbar

              onCustomizeClicked: {
                  customizerLoader.opacity = customizerLoader.opacity == 0 ? 1 : 0;
              }
          }
      }