Qt 5.11 | Coffee Machine Example | CoffeeButton.qml Example File

Qt 5.11.3 Reference Documentation

# CoffeeButton.qml Example File

coffee/CoffeeButton.qml

      /****************************************************************************
      **
      ** Copyright (C) 2017 The Qt Company Ltd.
      ** Contact: https://www.qt.io/licensing/
      **
      ** This file is part of the documentation of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** Commercial License Usage
      ** Licensees holding valid commercial Qt licenses may use this file in
      ** accordance with the commercial license agreement provided with the
      ** Software or, alternatively, in accordance with the terms contained in
      ** a written agreement between you and The Qt Company. For licensing terms
      ** and conditions see https://www.qt.io/terms-conditions. For further
      ** information use the contact form at https://www.qt.io/contact-us.
      **
      ** BSD License Usage
      ** Alternatively, 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 2.4
      import QtQuick.Controls 2.0
      import QtQuick.Layouts 1.3
      import Coffee 1.0

      Image {
          id: root
          source: "images/icons/coffees/cappucino.png"
          signal clicked

          property int duration: 250
          property alias text: label.text
          MouseArea {
              anchors.fill: parent
              onClicked: root.clicked()
              onPressed: {
                  glow.visible = true
                  animation1.start()
                  animation2.start()
              }
          }

          Rectangle {
              id: glow
              visible: false

              width: 250
              height: 250
              color: "#00000000"
              radius: 125
              scale: 1.05
              border.color: "#ffffff"
          }

          Label {
              id: label
              x: 292
              y: 252
              text: qsTr("Label")
              anchors.horizontalCenter: parent.horizontalCenter
              color: "#443224"
              font.family: Constants.fontFamily
              font.pixelSize: 28
          }

          PropertyAnimation {
              target: glow
              id: animation1
              duration: root.duration
              loops: 1
              from: 1.05
              to: 1.2
              property: "scale"
          }

          ParallelAnimation {
              id: animation2
              SequentialAnimation {
                  PropertyAnimation {
                      target: glow
                      duration: root.duration
                      loops: 1
                      from: 0.2
                      to: 1.0
                      property: "opacity"
                  }
                  PropertyAnimation {
                      target: glow
                      duration: root.duration
                      loops: 1
                      from: 1.0
                      to: 0.0
                      property: "opacity"
                  }

                  PropertyAction {
                      target: glow
                      property: "visible"
                      value: false
                  }
              }

              SequentialAnimation {
                  PropertyAction {
                      target: glow
                      property: "border.width"
                      value: 20
                  }

                  PauseAnimation {
                      duration: 200
                  }

                  PropertyAnimation {
                      target: glow
                      duration: root.duration
                      loops: 1
                      from: 20
                      to: 10
                      property: "border.width"
                  }
              }
          }

      }