PieMenuControlView.qml Example File | Qt Quick Extras 5.6

Qt 5.6 | Qt Quick Extras | Qt Quick Extras - Gallery | PieMenuControlView.qml Example File

Qt 5.6.2 Reference Documentation

# PieMenuControlView.qml Example File

gallery/qml/PieMenuControlView.qml

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** You may use this file under the terms of the BSD license as follows:
      **
      ** "Redistribution and use in source and binary forms, with or without
      ** modification, are permitted provided that the following conditions are
      ** met:
      **   * Redistributions of source code must retain the above copyright
      **     notice, this list of conditions and the following disclaimer.
      **   * Redistributions in binary form must reproduce the above copyright
      **     notice, this list of conditions and the following disclaimer in
      **     the documentation and/or other materials provided with the
      **     distribution.
      **   * Neither the name of The Qt Company Ltd nor the names of its
      **     contributors may be used to endorse or promote products derived
      **     from this software without specific prior written permission.
      **
      **
      ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/

      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;
              }
          }
      }