Qt 5.6 | Qt Quick | Qt Quick Examples - Views | Clock.qml Example File

Qt 5.6.3 Reference Documentation

# Clock.qml Example File

views/parallax/content/Clock.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 2.0

      Item {
          id : clock
          width: {
              if (ListView.view && ListView.view.width >= 200)
                  return ListView.view.width / Math.floor(ListView.view.width / 200.0);
              else
                  return 200;
          }

          height: {
              if (ListView.view && ListView.view.height >= 240)
                  return ListView.view.height;
              else
                  return 240;
          }

          property alias city: cityLabel.text
          property int hours
          property int minutes
          property int seconds
          property real shift
          property bool night: false
          property bool internationalTime: true //Unset for local time

          function timeChanged() {
              var date = new Date;
              hours = internationalTime ? date.getUTCHours() + Math.floor(clock.shift) : date.getHours()
              night = ( hours < 7 || hours > 19 )
              minutes = internationalTime ? date.getUTCMinutes() + ((clock.shift % 1) * 60) : date.getMinutes()
              seconds = date.getUTCSeconds();
          }

          Timer {
              interval: 100; running: true; repeat: true;
              onTriggered: clock.timeChanged()
          }

          Item {
              anchors.centerIn: parent
              width: 200; height: 240

              Image { id: background; source: "clock.png"; visible: clock.night == false }
              Image { source: "clock-night.png"; visible: clock.night == true }

              Image {
                  x: 92.5; y: 27
                  source: "hour.png"
                  transform: Rotation {
                      id: hourRotation
                      origin.x: 7.5; origin.y: 73;
                      angle: (clock.hours * 30) + (clock.minutes * 0.5)
                      Behavior on angle {
                          SpringAnimation { spring: 2; damping: 0.2; modulus: 360 }
                      }
                  }
              }

              Image {
                  x: 93.5; y: 17
                  source: "minute.png"
                  transform: Rotation {
                      id: minuteRotation
                      origin.x: 6.5; origin.y: 83;
                      angle: clock.minutes * 6
                      Behavior on angle {
                          SpringAnimation { spring: 2; damping: 0.2; modulus: 360 }
                      }
                  }
              }

              Image {
                  x: 97.5; y: 20
                  source: "second.png"
                  transform: Rotation {
                      id: secondRotation
                      origin.x: 2.5; origin.y: 80;
                      angle: clock.seconds * 6
                      Behavior on angle {
                          SpringAnimation { spring: 2; damping: 0.2; modulus: 360 }
                      }
                  }
              }

              Image {
                  anchors.centerIn: background; source: "center.png"
              }

              Text {
                  id: cityLabel
                  y: 210; anchors.horizontalCenter: parent.horizontalCenter
                  color: "white"
                  font.family: "Helvetica"
                  font.bold: true; font.pixelSize: 16
                  style: Text.Raised; styleColor: "black"
              }
          }
      }