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>

1 files changed, 140 insertions, 0 deletions

diff --git a/examples/multimedia/spectrum/app/progressbar.cpp b/examples/multimedia/spectrum/app/progressbar.cpp
new file mode 100644
index 000000000..79596cdca
--- /dev/null
+++ b/examples/multimedia/spectrum/app/progressbar.cpp
@@ -0,0 +1,140 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 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.
+**
+**
+** 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "progressbar.h"
+#include "spectrum.h"
+#include <QPainter>
+
+ProgressBar::ProgressBar(QWidget *parent)
+    :   QWidget(parent)
+    ,   m_bufferLength(0)
+    ,   m_recordPosition(0)
+    ,   m_playPosition(0)
+    ,   m_windowPosition(0)
+    ,   m_windowLength(0)
+{
+    setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
+    setMinimumHeight(30);
+#ifdef SUPERIMPOSE_PROGRESS_ON_WAVEFORM
+    setAutoFillBackground(false);
+#endif
+}
+
+ProgressBar::~ProgressBar()
+{
+
+}
+
+void ProgressBar::reset()
+{
+    m_bufferLength = 0;
+    m_recordPosition = 0;
+    m_playPosition = 0;
+    m_windowPosition = 0;
+    m_windowLength = 0;
+    update();
+}
+
+void ProgressBar::paintEvent(QPaintEvent * /*event*/)
+{
+    QPainter painter(this);
+
+    QColor bufferColor(0, 0, 255);
+    QColor windowColor(0, 255, 0);
+
+#ifdef SUPERIMPOSE_PROGRESS_ON_WAVEFORM
+    bufferColor.setAlphaF(0.5);
+    windowColor.setAlphaF(0.5);
+#else
+    painter.fillRect(rect(), Qt::black);
+#endif
+
+    if (m_bufferLength) {
+        QRect bar = rect();
+        const qreal play = qreal(m_playPosition) / m_bufferLength;
+        bar.setLeft(rect().left() + play * rect().width());
+        const qreal record = qreal(m_recordPosition) / m_bufferLength;
+        bar.setRight(rect().left() + record * rect().width());
+        painter.fillRect(bar, bufferColor);
+
+        QRect window = rect();
+        const qreal windowLeft = qreal(m_windowPosition) / m_bufferLength;
+        window.setLeft(rect().left() + windowLeft * rect().width());
+        const qreal windowWidth = qreal(m_windowLength) / m_bufferLength;
+        window.setWidth(windowWidth * rect().width());
+        painter.fillRect(window, windowColor);
+    }
+}
+
+void ProgressBar::bufferLengthChanged(qint64 bufferSize)
+{
+    m_bufferLength = bufferSize;
+    m_recordPosition = 0;
+    m_playPosition = 0;
+    m_windowPosition = 0;
+    m_windowLength = 0;
+    repaint();
+}
+
+void ProgressBar::recordPositionChanged(qint64 recordPosition)
+{
+    Q_ASSERT(recordPosition >= 0);
+    Q_ASSERT(recordPosition <= m_bufferLength);
+    m_recordPosition = recordPosition;
+    repaint();
+}
+
+void ProgressBar::playPositionChanged(qint64 playPosition)
+{
+    Q_ASSERT(playPosition >= 0);
+    Q_ASSERT(playPosition <= m_bufferLength);
+    m_playPosition = playPosition;
+    repaint();
+}
+
+void ProgressBar::windowChanged(qint64 position, qint64 length)
+{
+    Q_ASSERT(position >= 0);
+    Q_ASSERT(position <= m_bufferLength);
+    Q_ASSERT(position + length <= m_bufferLength);
+    m_windowPosition = position;
+    m_windowLength = length;
+    repaint();
+}