Qt 5.11 | Qt Quick Controls 2 | Qt Quick Controls 2 - Imagine Style Example: Automotive | GlowingLabel.qml Example File

Qt 5.11.3 Reference Documentation

# GlowingLabel.qml Example File

imagine/automotive/qml/GlowingLabel.qml

      /****************************************************************************
      **
      ** Copyright (C) 2017 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 2.9
      import QtQuick.Controls 2.3

      // This container and the transform on the Label are
      // necessary to get precise bounding rect of the text for layouting reasons,
      // since some of the labels' font sizes can get quite large.
      Item {
          id: root
          implicitHeight: labelTextMetrics.tightBoundingRect.height
          implicitWidth: label.implicitWidth

          property alias text: label.text
          property alias font: label.font
          property alias horizontalAlignment: label.horizontalAlignment
          property alias verticalAlignment: label.verticalAlignment
          property bool glowEnabled: true
          property color glowColor: colorGlow
          property color color: colorBright

          Label {
              id: label
              anchors.baseline: root.baseline
              color: root.color

              layer.enabled: root.glowEnabled
              layer.effect: CustomGlow {
                  color: glowColor
              }

              TextMetrics {
                  id: labelTextMetrics
                  text: label.text
                  font: label.font
              }

              transform: Translate {
                  y: -labelTextMetrics.tightBoundingRect.y
              }
          }
      }