Qt 5.6 | Qt Bluetooth | Bluetooth QML Chat Example | Button.qml Example File

Qt 5.6.2 Reference Documentation

# Button.qml Example File

chat/Button.qml

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the QtBluetooth module.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** 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 2.2

      Rectangle {
          // Identifier of the item
          id: button

          // Attaches to the Text element's text content
          property string label

          // Set appearance properties
          radius: 3
          antialiasing: true
          border.width: 1
          border.color: "#35322f"
          color: "#14aaff"
          height: buttonLabel.height * 1.5
          width: buttonLabel.width * 1.5

          Text {
              id: buttonLabel
              anchors.centerIn: parent
              text: label     // Bind the text to the parent's text
              color: "black"
              font.pointSize: 20
          }

          // buttonClick() is callable and a signal handler,
          // onButtonClick is automatically created
          signal buttonClick()

          // Define the clickable area to be the whole rectangle
          MouseArea {
              id: buttonMouseArea
              anchors.fill: parent    // Stretch the area to the parent's dimension
              onClicked: buttonClick()
          }

          // Scale the button when pressed
          scale: buttonMouseArea.pressed ? 1.1 : 1.0
          // Animate the scale property change
          Behavior on scale { NumberAnimation { duration: 55 } }
      }