Qt 5.7 | Qt Quick Controls 2 | Qt Quick Controls 2 - Gallery | ButtonPage.qml Example File

Qt 5.7.1 Reference Documentation

# ButtonPage.qml Example File

gallery/pages/ButtonPage.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 2.6
      import QtQuick.Controls 2.0

      ScrollablePage {
          id: page

          readonly property int itemWidth: Math.max(button.implicitWidth, Math.min(button.implicitWidth * 2, page.availableWidth / 3))

          Column {
              spacing: 40
              width: parent.width

              Label {
                  width: parent.width
                  wrapMode: Label.Wrap
                  horizontalAlignment: Qt.AlignHCenter
                  text: "Button presents a push-button that can be pushed or clicked by the user. "
                      + "Buttons are normally used to perform an action, or to answer a question."
              }

              Column {
                  spacing: 20
                  anchors.horizontalCenter: parent.horizontalCenter

                  Button {
                      text: "First"
                      width: itemWidth
                  }
                  Button {
                      id: button
                      text: "Second"
                      width: itemWidth
                      highlighted: true
                  }
                  Button {
                      text: "Third"
                      enabled: false
                      width: itemWidth
                  }
              }
          }
      }