- Qt 5.3
- Qt Multimedia
- Declarative Radio Example
- view.qml Example File
- Qt 5.3.2 Reference Documentation

# view.qml Example File

declarative-radio/view.qml

    /****************************************************************************
     **
     ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
     ** Contact: http://www.qt-project.org/legal
     **
     ** 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 Digia Plc and its Subsidiary(-ies) nor the names
     **     of its contributors may be used to endorse or promote products derived
     **     from this software without specific prior written permission.
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     **
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     ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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     ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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    import QtQuick 2.0
    import QtMultimedia 5.0

    Rectangle {
        width: 400; height: 300;

        Radio {
            id: radio
            band: Radio.FM
        }

        Column {
            anchors.fill: parent
            anchors.margins: 5
            spacing: 5

            Row {

                Text {
                    id: freq

                    width: 150
                    height: 200

                    verticalAlignment: Text.AlignVCenter
                    text: "" + radio.frequency / 1000 + " kHz"
                }
                Text {
                    id: sig

                    width: 200
                    height: 200

                    verticalAlignment: Text.AlignVCenter
                    text: (radio.availability == Radio.Available ? "No Signal " : "No Radio Found")
                }
            }

            Row {
                spacing: 5

                Rectangle {
                    width: 350
                    height: 10

                    color: "black"

                    Rectangle {
                        width: 5
                        height: 10
                        color: "red"

                        y: 0
                        x: (parent.width - 5) * ((radio.frequency - radio.minimumFrequency) / (radio.maximumFrequency -
                        radio.minimumFrequency))

                    }
                }
            }

            Row {
                spacing: 5

                Rectangle {
                    id: scanDownButton
                    border.color: "black"
                    border.width: 1
                    radius: 2

                    width: 90
                    height: 40

                    Text {
                        anchors.fill: parent
                        verticalAlignment: Text.AlignVCenter
                        horizontalAlignment: Text.AlignHCenter
                        text: "Scan Down"
                    }

                    MouseArea {
                        anchors.fill: parent
                        onClicked: radio.scanDown();
                    }
                }
                Rectangle {
                    id: freqDownButton
                    border.color: "black"
                    border.width: 1
                    radius: 2

                    width: 90
                    height: 40

                    Text {
                        anchors.fill: parent
                        verticalAlignment: Text.AlignVCenter
                        horizontalAlignment: Text.AlignHCenter
                        text: "Freq Down"
                    }

                    MouseArea {
                        anchors.fill: parent
                        onClicked: radio.tuneDown();
                    }
                }
                Rectangle {
                    id: freqUpButton
                    border.color: "black"
                    border.width: 1
                    radius: 2

                    width: 90
                    height: 40

                    Text {
                        anchors.fill: parent
                        verticalAlignment: Text.AlignVCenter
                        horizontalAlignment: Text.AlignHCenter
                        text: "Freq Up"
                    }

                    MouseArea {
                        anchors.fill: parent
                        onClicked: radio.tuneUp();
                    }
                }
                Rectangle {
                    id: scanUpButton
                    border.color: "black"
                    border.width: 1
                    radius: 2

                    width: 90
                    height: 40

                    Text {
                        anchors.fill: parent
                        verticalAlignment: Text.AlignVCenter
                        horizontalAlignment: Text.AlignHCenter
                        text: "Scan Up"
                    }

                    MouseArea {
                        anchors.fill: parent
                        onClicked: radio.scanUp();
                    }
                }
            }
        }
    }