Mercurial > hg > svcore
view base/PlayParameters.cpp @ 962:613ee830de5e
Fix return of empty string as bool value (from coverity scan, interesting the compiler doesn't mind)
author | Chris Cannam |
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date | Wed, 03 Sep 2014 09:58:31 +0100 |
parents | 3a3541b357fe |
children |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006 Chris Cannam. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #include "PlayParameters.h" #include <iostream> #include <QTextStream> void PlayParameters::copyFrom(const PlayParameters *pp) { bool changed = false; if (m_playMuted != pp->isPlayMuted()) { m_playMuted = pp->isPlayMuted(); emit playMutedChanged(m_playMuted); emit playAudibleChanged(!m_playMuted); changed = true; } if (m_playPan != pp->getPlayPan()) { m_playPan = pp->getPlayPan(); emit playPanChanged(m_playPan); changed = true; } if (m_playGain != pp->getPlayGain()) { m_playGain = pp->getPlayGain(); emit playGainChanged(m_playGain); changed = true; } if (m_playClipId != pp->getPlayClipId()) { m_playClipId = pp->getPlayClipId(); emit playClipIdChanged(m_playClipId); changed = true; } if (changed) emit playParametersChanged(); } void PlayParameters::toXml(QTextStream &stream, QString indent, QString extraAttributes) const { stream << indent; stream << QString("<playparameters mute=\"%1\" pan=\"%2\" gain=\"%3\" clipId=\"%4\" %6") .arg(m_playMuted ? "true" : "false") .arg(m_playPan) .arg(m_playGain) .arg(m_playClipId) .arg(extraAttributes); stream << ">\n"; if (m_playClipId != "") { // for backward compatibility stream << indent << " "; stream << QString("<plugin identifier=\"%1\" program=\"%2\"/>\n") .arg("sample_player") .arg(m_playClipId); } stream << indent << "</playparameters>\n"; } void PlayParameters::setPlayMuted(bool muted) { // cerr << "PlayParameters: setPlayMuted(" << muted << ")" << endl; if (m_playMuted != muted) { m_playMuted = muted; emit playMutedChanged(muted); emit playAudibleChanged(!muted); emit playParametersChanged(); } } void PlayParameters::setPlayAudible(bool audible) { // cerr << "PlayParameters(" << this << "): setPlayAudible(" << audible << ")" << endl; setPlayMuted(!audible); } void PlayParameters::setPlayPan(float pan) { if (m_playPan != pan) { m_playPan = pan; emit playPanChanged(pan); emit playParametersChanged(); } } void PlayParameters::setPlayGain(float gain) { if (m_playGain != gain) { m_playGain = gain; emit playGainChanged(gain); emit playParametersChanged(); } } void PlayParameters::setPlayClipId(QString id) { if (m_playClipId != id) { m_playClipId = id; emit playClipIdChanged(id); emit playParametersChanged(); } }