centralize and fixup example sources install targets

This follows suit with aeb036e in qtbase.

Change-Id: Ie8580d0a1f38ab9858b0e44c9f99bdc552a1752a
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: hjk <qthjk@ovi.com>

examples/multimedia/video/snippets/frequencymonitor/qml/frequencymonitor/FrequencyItem.qml

@@ -0,0 +1,105 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import FrequencyMonitor 1.0
+
+Rectangle {
+    id: root
+    property bool logging: true
+    property bool displayed: true
+    property bool enabled: logging || displayed
+    property alias active: monitor.active
+    property int samplingInterval: 500
+    property color textColor: "yellow"
+    property int textSize: 20
+    property alias label: monitor.label
+
+    border.width: 1
+    border.color: "yellow"
+    width: 5.5 * root.textSize
+    height: 3.0 * root.textSize
+    color: "black"
+    opacity: 0.5
+    radius: 10
+    visible: displayed && active
+
+    // This should ensure that the monitor is on top of all other content
+    z: 999
+
+    function notify() {
+        monitor.notify()
+    }
+
+    FrequencyMonitor {
+        id: monitor
+        samplingInterval: root.enabled ? root.samplingInterval : 0
+        onAverageFrequencyChanged: {
+            if (root.logging) trace()
+            averageFrequencyText.text = monitor.averageFrequency.toFixed(2)
+        }
+    }
+
+    Text {
+        id: labelText
+        anchors {
+            left: parent.left
+            top: parent.top
+            margins: 10
+        }
+        color: root.textColor
+        font.pixelSize: 0.6 * root.textSize
+        text: root.label
+        width: root.width - 2*anchors.margins
+        elide: Text.ElideRight
+    }
+
+    Text {
+        id: averageFrequencyText
+        anchors {
+            right: parent.right
+            bottom: parent.bottom
+            margins: 10
+        }
+        color: root.textColor
+        font.pixelSize: root.textSize
+    }
+}