Qt 5.9 | Qt Quick Extras | Qt Quick Extras - Gallery | BlackButtonStyle.qml Example File

Qt 5.9.2 Reference Documentation

# BlackButtonStyle.qml Example File

gallery/qml/BlackButtonStyle.qml

      /****************************************************************************
      **
      ** Copyright (C) 2016 The Qt Company Ltd.
      ** Contact: https://www.qt.io/licensing/
      **
      ** This file is part of the examples 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 2.2
      import QtQuick.Controls 1.1
      import QtQuick.Controls.Styles 1.1

      ButtonStyle {
          property color fontColor

          property url rightAlignedIconSource

          background: BlackButtonBackground {
              pressed: control.pressed
          }
          label: Item {
              implicitWidth: row.implicitWidth
              implicitHeight: row.implicitHeight
              baselineOffset: row.y + text.y + text.baselineOffset

              Row {
                  id: row
                  anchors.left: control.text.length === 0 ? undefined : parent.left
                  anchors.leftMargin: control.text.length === 0 ? 0 : textSingleton.implicitHeight
                  anchors.verticalCenter: parent.verticalCenter
                  anchors.horizontalCenter: control.text.length === 0 ? parent.horizontalCenter : undefined

                  Image {
                      source: control.iconSource
                      width: Math.min(sourceSize.width, height)
                      height: text.implicitHeight
                      fillMode: Image.PreserveAspectFit
                  }
                  Text {
                      id: text
                      text: control.text
                      color: fontColor
                      font.pixelSize: control.height * 0.25
                      font.family: openSans.name
                      horizontalAlignment: Text.AlignLeft
                      verticalAlignment: Text.AlignVCenter
                      anchors.verticalCenter: parent.verticalCenter
                  }
              }

              Loader {
                  active: rightAlignedIconSource.toString().length !== 0
                  anchors.verticalCenter: parent.verticalCenter
                  anchors.right: parent.right
                  anchors.rightMargin: textSingleton.implicitHeight

                  sourceComponent: Image {
                      width: Math.min(sourceSize.width, height)
                      height: text.implicitHeight
                      fillMode: Image.PreserveAspectFit
                      source: rightAlignedIconSource
                  }
              }
          }
      }