dialcontrol.qml Example File

  /****************************************************************************
  **
  ** 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 QtQuick.Window 2.1
  import "content"

  Rectangle {
      color: "#545454"
      width: 300; height: 300

      // Dial with a slider to adjust it
      Dial {
          id: dial
          anchors.centerIn: parent
          value: slider.x * 100 / (container.width - 32)
      }

      Rectangle {
          id: container
          property int oldWidth: 0
          anchors { bottom: parent.bottom; left: parent.left
              right: parent.right; leftMargin: 20; rightMargin: 20
              bottomMargin: 10
          }
          height: 16

          radius: 8
          opacity: 0.7
          antialiasing: true
          gradient: Gradient {
              GradientStop { position: 0.0; color: "gray" }
              GradientStop { position: 1.0; color: "white" }
          }

          onWidthChanged: {
              if (oldWidth === 0) {
                  oldWidth = width;
                  return
              }

              var desiredPercent = slider.x * 100 / (oldWidth - 32)
              slider.x = desiredPercent * (width - 32) / 100
              oldWidth = width
          }

          Rectangle {
              id: slider
              x: 1; y: 1; width: 30; height: 14
              radius: 6
              antialiasing: true
              gradient: Gradient {
                  GradientStop { position: 0.0; color: "#424242" }
                  GradientStop { position: 1.0; color: "black" }
              }

              MouseArea {
                  anchors.fill: parent
                  anchors.margins: -16 // Increase mouse area a lot outside the slider
                  drag.target: parent; drag.axis: Drag.XAxis
                  drag.minimumX: 2; drag.maximumX: container.width - 32
              }
          }
      }
      QuitButton {
          anchors.right: parent.right
          anchors.top: parent.top
          anchors.margins: 10
      }
  }