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// qsamplerChannel.cpp |
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// |
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/**************************************************************************** |
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Copyright (C) 2003-2005, rncbc aka Rui Nuno Capela. All rights reserved. |
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|
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This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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|
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*****************************************************************************/ |
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|
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#include "qsamplerAbout.h" |
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#include "qsamplerChannel.h" |
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|
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#include "qsamplerMainForm.h" |
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#include "qsamplerChannelForm.h" |
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|
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#include <qfileinfo.h> |
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#include <qcombobox.h> |
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|
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#ifdef CONFIG_LIBGIG |
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#include "gig.h" |
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#endif |
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|
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#define QSAMPLER_INSTRUMENT_MAX 100 |
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|
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|
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//------------------------------------------------------------------------- |
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// qsamplerChannel - Sampler channel structure. |
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// |
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|
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// Constructor. |
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qsamplerChannel::qsamplerChannel ( qsamplerMainForm *pMainForm, int iChannelID ) |
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{ |
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m_pMainForm = pMainForm; |
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m_iChannelID = iChannelID; |
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|
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// m_sEngineName = noEngineName(); |
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// m_sInstrumentName = noInstrumentName(); |
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// m_sInstrumentFile = m_sInstrumentName; |
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m_iInstrumentNr = -1; |
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m_iInstrumentStatus = -1; |
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m_sMidiDriver = "ALSA"; |
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m_iMidiDevice = -1; |
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m_iMidiPort = -1; |
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m_iMidiChannel = -1; |
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m_sAudioDriver = "ALSA"; |
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m_iAudioDevice = -1; |
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m_fVolume = 0.0; |
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m_bMute = false; |
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m_bSolo = false; |
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} |
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|
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// Default destructor. |
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qsamplerChannel::~qsamplerChannel (void) |
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{ |
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} |
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|
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|
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// Main application form accessor. |
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qsamplerMainForm *qsamplerChannel::mainForm(void) const |
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{ |
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return m_pMainForm; |
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} |
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|
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|
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// The global options settings delegated property. |
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qsamplerOptions *qsamplerChannel::options (void) const |
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{ |
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if (m_pMainForm == NULL) |
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return NULL; |
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|
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return m_pMainForm->options(); |
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} |
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|
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|
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// The client descriptor delegated property. |
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lscp_client_t *qsamplerChannel::client (void) const |
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{ |
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if (m_pMainForm == NULL) |
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return NULL; |
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|
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return m_pMainForm->client(); |
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} |
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|
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|
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// Create a new sampler channel, if not already. |
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bool qsamplerChannel::addChannel (void) |
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{ |
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if (client() == NULL) |
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return false; |
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|
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// Are we a new channel? |
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if (m_iChannelID < 0) { |
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m_iChannelID = ::lscp_add_channel(client()); |
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if (m_iChannelID < 0) { |
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appendMessagesClient("lscp_add_channel"); |
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appendMessagesError(QObject::tr("Could not add channel.\n\nSorry.")); |
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} // Otherwise it's created... |
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else appendMessages(QObject::tr("added.")); |
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} |
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|
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// Return whether we're a valid channel... |
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return (m_iChannelID >= 0); |
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} |
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|
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|
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// Remove sampler channel. |
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bool qsamplerChannel::removeChannel (void) |
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{ |
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if (client() == NULL) |
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return false; |
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|
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// Are we an existing channel? |
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if (m_iChannelID >= 0) { |
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if (::lscp_remove_channel(client(), m_iChannelID) != LSCP_OK) { |
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appendMessagesClient("lscp_remove_channel"); |
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appendMessagesError(QObject::tr("Could not remove channel.\n\nSorry.")); |
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} else { |
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// Otherwise it's removed. |
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appendMessages(QObject::tr("removed.")); |
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m_iChannelID = -1; |
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} |
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} |
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|
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// Return whether we've removed the channel... |
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return (m_iChannelID < 0); |
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} |
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|
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|
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// Channel-ID (aka Sammpler-Channel) accessors. |
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int qsamplerChannel::channelID (void) const |
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{ |
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return m_iChannelID; |
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} |
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|
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void qsamplerChannel::setChannelID ( int iChannelID ) |
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{ |
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m_iChannelID = iChannelID; |
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} |
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|
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|
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// Readable channel name. |
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QString qsamplerChannel::channelName (void) const |
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{ |
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return (m_iChannelID < 0 ? QObject::tr("New Channel") : QObject::tr("Channel %1").arg(m_iChannelID)); |
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} |
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|
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|
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// Engine name accessors. |
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const QString& qsamplerChannel::engineName (void) const |
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{ |
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return m_sEngineName; |
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} |
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|
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bool qsamplerChannel::loadEngine ( const QString& sEngineName ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (m_iInstrumentStatus == 100 && m_sEngineName == sEngineName) |
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return true; |
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|
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if (::lscp_load_engine(client(), sEngineName.latin1(), m_iChannelID) != LSCP_OK) { |
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appendMessagesClient("lscp_load_engine"); |
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return false; |
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} |
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appendMessages(QObject::tr("Engine: %1.").arg(sEngineName)); |
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|
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m_sEngineName = sEngineName; |
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return true; |
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} |
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|
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|
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// Instrument filename accessor. |
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const QString& qsamplerChannel::instrumentFile (void) const |
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{ |
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return m_sInstrumentFile; |
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} |
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|
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// Instrument index accessor. |
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int qsamplerChannel::instrumentNr (void) const |
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{ |
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return m_iInstrumentNr; |
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} |
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|
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// Instrument name accessor. |
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const QString& qsamplerChannel::instrumentName (void) const |
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{ |
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return m_sInstrumentName; |
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} |
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|
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// Instrument status accessor. |
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int qsamplerChannel::instrumentStatus (void) const |
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{ |
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return m_iInstrumentStatus; |
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} |
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|
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// Instrument file loader. |
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bool qsamplerChannel::loadInstrument ( const QString& sInstrumentFile, int iInstrumentNr ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (!isInstrumentFile(sInstrumentFile)) |
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return false; |
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if (m_iInstrumentStatus == 100 && m_sInstrumentFile == sInstrumentFile && m_iInstrumentNr == iInstrumentNr) |
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return true; |
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|
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if (::lscp_load_instrument_non_modal(client(), sInstrumentFile.latin1(), iInstrumentNr, m_iChannelID) != LSCP_OK) { |
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appendMessagesClient("lscp_load_instrument"); |
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return false; |
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} |
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|
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appendMessages(QObject::tr("Instrument: \"%1\" (%2).") |
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.arg(sInstrumentFile).arg(iInstrumentNr)); |
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|
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return setInstrument(sInstrumentFile, iInstrumentNr); |
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} |
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|
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|
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// Special instrument file/name/number settler. |
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bool qsamplerChannel::setInstrument ( const QString& sInstrumentFile, int iInstrumentNr ) |
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{ |
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m_sInstrumentFile = sInstrumentFile; |
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m_iInstrumentNr = iInstrumentNr; |
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#ifdef CONFIG_INSTRUMENT_NAME |
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m_sInstrumentName = QString::null; // We'll get it, maybe later, on channel_info... |
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#else |
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m_sInstrumentName = getInstrumentName(sInstrumentFile, iInstrumentNr, true); |
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#endif |
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m_iInstrumentStatus = 0; |
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|
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return true; |
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} |
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|
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|
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// MIDI driver type accessors (DEPRECATED). |
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const QString& qsamplerChannel::midiDriver (void) const |
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{ |
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return m_sMidiDriver; |
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} |
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|
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bool qsamplerChannel::setMidiDriver ( const QString& sMidiDriver ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (m_iInstrumentStatus == 100 && m_sMidiDriver == sMidiDriver) |
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return true; |
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|
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if (::lscp_set_channel_midi_type(client(), m_iChannelID, sMidiDriver.latin1()) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_midi_type"); |
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return false; |
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} |
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|
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appendMessages(QObject::tr("MIDI driver: %1.").arg(sMidiDriver)); |
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|
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m_sMidiDriver = sMidiDriver; |
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return true; |
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} |
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|
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|
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// MIDI device accessors. |
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int qsamplerChannel::midiDevice (void) const |
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{ |
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return m_iMidiDevice; |
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} |
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|
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bool qsamplerChannel::setMidiDevice ( int iMidiDevice ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (m_iInstrumentStatus == 100 && m_iMidiDevice == iMidiDevice) |
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return true; |
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|
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if (::lscp_set_channel_midi_device(client(), m_iChannelID, iMidiDevice) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_midi_device"); |
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return false; |
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} |
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|
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appendMessages(QObject::tr("MIDI device: %1.").arg(iMidiDevice)); |
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|
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m_iMidiDevice = iMidiDevice; |
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return true; |
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} |
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|
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|
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// MIDI port number accessor. |
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int qsamplerChannel::midiPort (void) const |
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{ |
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return m_iMidiPort; |
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} |
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|
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bool qsamplerChannel::setMidiPort ( int iMidiPort ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (m_iInstrumentStatus == 100 && m_iMidiPort == iMidiPort) |
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return true; |
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|
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if (::lscp_set_channel_midi_port(client(), m_iChannelID, iMidiPort) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_midi_port"); |
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return false; |
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} |
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|
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appendMessages(QObject::tr("MIDI port: %1.").arg(iMidiPort)); |
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|
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m_iMidiPort = iMidiPort; |
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return true; |
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} |
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|
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|
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// MIDI channel accessor. |
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int qsamplerChannel::midiChannel (void) const |
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{ |
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return m_iMidiChannel; |
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} |
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|
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bool qsamplerChannel::setMidiChannel ( int iMidiChannel ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (m_iInstrumentStatus == 100 && m_iMidiChannel == iMidiChannel) |
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return true; |
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|
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if (::lscp_set_channel_midi_channel(client(), m_iChannelID, iMidiChannel) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_midi_channel"); |
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return false; |
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} |
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|
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appendMessages(QObject::tr("MIDI channel: %1.").arg(iMidiChannel)); |
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|
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m_iMidiChannel = iMidiChannel; |
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return true; |
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} |
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|
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|
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// Audio device accessor. |
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int qsamplerChannel::audioDevice (void) const |
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{ |
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return m_iAudioDevice; |
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} |
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|
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bool qsamplerChannel::setAudioDevice ( int iAudioDevice ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (m_iInstrumentStatus == 100 && m_iAudioDevice == iAudioDevice) |
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return true; |
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|
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if (::lscp_set_channel_audio_device(client(), m_iChannelID, iAudioDevice) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_audio_device"); |
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return false; |
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} |
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|
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appendMessages(QObject::tr("Audio device: %1.").arg(iAudioDevice)); |
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|
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m_iAudioDevice = iAudioDevice; |
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return true; |
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} |
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|
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|
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// Audio driver type accessors (DEPRECATED). |
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const QString& qsamplerChannel::audioDriver (void) const |
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{ |
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return m_sAudioDriver; |
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} |
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|
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bool qsamplerChannel::setAudioDriver ( const QString& sAudioDriver ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (m_iInstrumentStatus == 100 && m_sAudioDriver == sAudioDriver) |
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return true; |
383 |
|
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if (::lscp_set_channel_audio_type(client(), m_iChannelID, sAudioDriver.latin1()) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_audio_type"); |
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return false; |
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} |
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|
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appendMessages(QObject::tr("Audio driver: %1.").arg(sAudioDriver)); |
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|
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m_sAudioDriver = sAudioDriver; |
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return true; |
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} |
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|
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|
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// Channel volume accessors. |
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float qsamplerChannel::volume (void) const |
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{ |
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return m_fVolume; |
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} |
401 |
|
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bool qsamplerChannel::setVolume ( float fVolume ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (m_iInstrumentStatus == 100 && m_fVolume == fVolume) |
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return true; |
408 |
|
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if (::lscp_set_channel_volume(client(), m_iChannelID, fVolume) != LSCP_OK) { |
410 |
appendMessagesClient("lscp_set_channel_volume"); |
411 |
return false; |
412 |
} |
413 |
|
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appendMessages(QObject::tr("Volume: %1.").arg(fVolume)); |
415 |
|
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m_fVolume = fVolume; |
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return true; |
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} |
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|
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|
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// Sampler channel mute state. |
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bool qsamplerChannel::channelMute (void) const |
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{ |
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return m_bMute; |
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} |
426 |
|
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bool qsamplerChannel::setChannelMute ( bool bMute ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
431 |
if (m_iInstrumentStatus == 100 && ((m_bMute && bMute) || (!m_bMute && !bMute))) |
432 |
return true; |
433 |
|
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#ifdef CONFIG_MUTE_SOLO |
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if (::lscp_set_channel_mute(client(), m_iChannelID, bMute) != LSCP_OK) { |
436 |
appendMessagesClient("lscp_set_channel_mute"); |
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return false; |
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} |
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appendMessages(QObject::tr("Mute: %1.").arg((int) bMute)); |
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m_bMute = bMute; |
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return true; |
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#else |
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return false; |
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#endif |
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} |
446 |
|
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|
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// Sampler channel solo state. |
449 |
bool qsamplerChannel::channelSolo (void) const |
450 |
{ |
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return m_bSolo; |
452 |
} |
453 |
|
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bool qsamplerChannel::setChannelSolo ( bool bSolo ) |
455 |
{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
458 |
if (m_iInstrumentStatus == 100 && ((m_bSolo && bSolo) || (!m_bSolo && !bSolo))) |
459 |
return true; |
460 |
|
461 |
#ifdef CONFIG_MUTE_SOLO |
462 |
if (::lscp_set_channel_solo(client(), m_iChannelID, bSolo) != LSCP_OK) { |
463 |
appendMessagesClient("lscp_set_channel_solo"); |
464 |
return false; |
465 |
} |
466 |
appendMessages(QObject::tr("Solo: %1.").arg((int) bSolo)); |
467 |
m_bSolo = bSolo; |
468 |
return true; |
469 |
#else |
470 |
return false; |
471 |
#endif |
472 |
} |
473 |
|
474 |
|
475 |
// Audio routing accessors. |
476 |
int qsamplerChannel::audioChannel ( int iAudioOut ) const |
477 |
{ |
478 |
return m_audioRouting[iAudioOut]; |
479 |
} |
480 |
|
481 |
bool qsamplerChannel::setAudioChannel ( int iAudioOut, int iAudioIn ) |
482 |
{ |
483 |
if (client() == NULL || m_iChannelID < 0) |
484 |
return false; |
485 |
if (m_iInstrumentStatus == 100 && |
486 |
m_audioRouting[iAudioOut] == iAudioIn) |
487 |
return true; |
488 |
|
489 |
if (::lscp_set_channel_audio_channel(client(), |
490 |
m_iChannelID, iAudioOut, iAudioIn) != LSCP_OK) { |
491 |
appendMessagesClient("lscp_set_channel_audio_channel"); |
492 |
return false; |
493 |
} |
494 |
|
495 |
appendMessages(QObject::tr("Audio Channel: %1 -> %2.") |
496 |
.arg(iAudioOut).arg(iAudioIn)); |
497 |
|
498 |
m_audioRouting[iAudioOut] = iAudioIn; |
499 |
return true; |
500 |
} |
501 |
|
502 |
// The audio routing map itself. |
503 |
const qsamplerChannelRoutingMap& qsamplerChannel::audioRouting (void) const |
504 |
{ |
505 |
return m_audioRouting; |
506 |
} |
507 |
|
508 |
|
509 |
// Istrument name remapper. |
510 |
void qsamplerChannel::updateInstrumentName (void) |
511 |
{ |
512 |
#ifndef CONFIG_INSTRUMENT_NAME |
513 |
m_sInstrumentName = getInstrumentName(m_sInstrumentFile, |
514 |
m_iInstrumentNr, (options() && options()->bInstrumentNames)); |
515 |
#endif |
516 |
} |
517 |
|
518 |
|
519 |
// Update whole channel info state. |
520 |
bool qsamplerChannel::updateChannelInfo (void) |
521 |
{ |
522 |
if (client() == NULL || m_iChannelID < 0) |
523 |
return false; |
524 |
|
525 |
// Read channel information. |
526 |
lscp_channel_info_t *pChannelInfo = ::lscp_get_channel_info(client(), m_iChannelID); |
527 |
if (pChannelInfo == NULL) { |
528 |
appendMessagesClient("lscp_get_channel_info"); |
529 |
appendMessagesError(QObject::tr("Could not get channel information.\n\nSorry.")); |
530 |
return false; |
531 |
} |
532 |
|
533 |
#ifdef CONFIG_INSTRUMENT_NAME |
534 |
// We got all actual instrument datum... |
535 |
m_sInstrumentFile = pChannelInfo->instrument_file; |
536 |
m_iInstrumentNr = pChannelInfo->instrument_nr; |
537 |
m_sInstrumentName = pChannelInfo->instrument_name; |
538 |
#else |
539 |
// First, check if intrument name has changed, |
540 |
// taking care that instrument name lookup might be expensive, |
541 |
// so we better make it only once and when really needed... |
542 |
if ((m_sInstrumentFile != pChannelInfo->instrument_file) || |
543 |
(m_iInstrumentNr != pChannelInfo->instrument_nr)) { |
544 |
m_sInstrumentFile = pChannelInfo->instrument_file; |
545 |
m_iInstrumentNr = pChannelInfo->instrument_nr; |
546 |
updateInstrumentName(); |
547 |
} |
548 |
#endif |
549 |
// Cache in other channel information. |
550 |
m_sEngineName = pChannelInfo->engine_name; |
551 |
m_iInstrumentStatus = pChannelInfo->instrument_status; |
552 |
m_iMidiDevice = pChannelInfo->midi_device; |
553 |
m_iMidiPort = pChannelInfo->midi_port; |
554 |
m_iMidiChannel = pChannelInfo->midi_channel; |
555 |
m_iAudioDevice = pChannelInfo->audio_device; |
556 |
m_fVolume = pChannelInfo->volume; |
557 |
#ifdef CONFIG_MUTE_SOLO |
558 |
m_bMute = pChannelInfo->mute; |
559 |
m_bSolo = pChannelInfo->solo; |
560 |
#endif |
561 |
// Some sanity checks. |
562 |
if (m_sEngineName == "NONE" || m_sEngineName.isEmpty()) |
563 |
m_sEngineName = QString::null; |
564 |
if (m_sInstrumentFile == "NONE" || m_sInstrumentFile.isEmpty()) { |
565 |
m_sInstrumentFile = QString::null; |
566 |
m_sInstrumentName = QString::null; |
567 |
} |
568 |
|
569 |
// Time for device info grabbing... |
570 |
lscp_device_info_t *pDeviceInfo; |
571 |
const QString sNone = QObject::tr("(none)"); |
572 |
// Audio device driver type. |
573 |
pDeviceInfo = ::lscp_get_audio_device_info(client(), m_iAudioDevice); |
574 |
if (pDeviceInfo == NULL) { |
575 |
appendMessagesClient("lscp_get_audio_device_info"); |
576 |
m_sAudioDriver = sNone; |
577 |
} else { |
578 |
m_sAudioDriver = pDeviceInfo->driver; |
579 |
} |
580 |
// MIDI device driver type. |
581 |
pDeviceInfo = ::lscp_get_midi_device_info(client(), m_iMidiDevice); |
582 |
if (pDeviceInfo == NULL) { |
583 |
appendMessagesClient("lscp_get_midi_device_info"); |
584 |
m_sMidiDriver = sNone; |
585 |
} else { |
586 |
m_sMidiDriver = pDeviceInfo->driver; |
587 |
} |
588 |
|
589 |
// Set the audio routing map. |
590 |
m_audioRouting.clear(); |
591 |
char **ppszRouting = pChannelInfo->audio_routing; |
592 |
for (int i = 0; ppszRouting && ppszRouting[i]; i++) { |
593 |
m_audioRouting[i] = ::atoi(ppszRouting[i]); |
594 |
} |
595 |
|
596 |
return true; |
597 |
} |
598 |
|
599 |
|
600 |
// Reset channel method. |
601 |
bool qsamplerChannel::channelReset (void) |
602 |
{ |
603 |
if (client() == NULL || m_iChannelID < 0) |
604 |
return false; |
605 |
|
606 |
if (::lscp_reset_channel(client(), m_iChannelID) != LSCP_OK) { |
607 |
appendMessagesClient("lscp_reset_channel"); |
608 |
return false; |
609 |
} |
610 |
|
611 |
appendMessages(QObject::tr("reset.")); |
612 |
|
613 |
return true; |
614 |
} |
615 |
|
616 |
|
617 |
// Channel setup dialog form. |
618 |
bool qsamplerChannel::channelSetup ( QWidget *pParent ) |
619 |
{ |
620 |
bool bResult = false; |
621 |
|
622 |
appendMessages(QObject::tr("setup...")); |
623 |
|
624 |
qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(pParent); |
625 |
if (pChannelForm) { |
626 |
pChannelForm->setup(this); |
627 |
bResult = pChannelForm->exec(); |
628 |
delete pChannelForm; |
629 |
} |
630 |
|
631 |
return bResult; |
632 |
} |
633 |
|
634 |
|
635 |
// Redirected messages output methods. |
636 |
void qsamplerChannel::appendMessages( const QString& s ) const |
637 |
{ |
638 |
if (m_pMainForm) |
639 |
m_pMainForm->appendMessages(channelName() + ' ' + s); |
640 |
} |
641 |
|
642 |
void qsamplerChannel::appendMessagesColor( const QString& s, |
643 |
const QString& c ) const |
644 |
{ |
645 |
if (m_pMainForm) |
646 |
m_pMainForm->appendMessagesColor(channelName() + ' ' + s, c); |
647 |
} |
648 |
|
649 |
void qsamplerChannel::appendMessagesText( const QString& s ) const |
650 |
{ |
651 |
if (m_pMainForm) |
652 |
m_pMainForm->appendMessagesText(channelName() + ' ' + s); |
653 |
} |
654 |
|
655 |
void qsamplerChannel::appendMessagesError( const QString& s ) const |
656 |
{ |
657 |
if (m_pMainForm) |
658 |
m_pMainForm->appendMessagesError(channelName() + "\n\n" + s); |
659 |
} |
660 |
|
661 |
void qsamplerChannel::appendMessagesClient( const QString& s ) const |
662 |
{ |
663 |
if (m_pMainForm) |
664 |
m_pMainForm->appendMessagesClient(channelName() + ' ' + s); |
665 |
} |
666 |
|
667 |
|
668 |
// Context menu event handler. |
669 |
void qsamplerChannel::contextMenuEvent( QContextMenuEvent *pEvent ) |
670 |
{ |
671 |
if (m_pMainForm) |
672 |
m_pMainForm->contextMenuEvent(pEvent); |
673 |
} |
674 |
|
675 |
|
676 |
// FIXME: Check whether a given file is an instrument file. |
677 |
bool qsamplerChannel::isInstrumentFile ( const QString& sInstrumentFile ) |
678 |
{ |
679 |
bool bResult = false; |
680 |
|
681 |
QFile file(sInstrumentFile); |
682 |
if (file.open(IO_ReadOnly)) { |
683 |
char achHeader[16]; |
684 |
if (file.readBlock(achHeader, 16)) { |
685 |
bResult = (::memcmp(&achHeader[0], "RIFF", 4) == 0 |
686 |
&& ::memcmp(&achHeader[8], "DLS LIST", 8) == 0); |
687 |
} |
688 |
file.close(); |
689 |
} |
690 |
|
691 |
return bResult; |
692 |
} |
693 |
|
694 |
|
695 |
// Retrieve the instrument list of a instrument file (.gig). |
696 |
QStringList qsamplerChannel::getInstrumentList( const QString& sInstrumentFile, |
697 |
bool bInstrumentNames ) |
698 |
{ |
699 |
QString sInstrumentName = QFileInfo(sInstrumentFile).fileName(); |
700 |
QStringList instlist; |
701 |
|
702 |
if (isInstrumentFile(sInstrumentFile)) { |
703 |
#ifdef CONFIG_LIBGIG |
704 |
if (bInstrumentNames) { |
705 |
RIFF::File *pRiff = new RIFF::File(sInstrumentFile.latin1()); |
706 |
gig::File *pGig = new gig::File(pRiff); |
707 |
gig::Instrument *pInstrument = pGig->GetFirstInstrument(); |
708 |
while (pInstrument) { |
709 |
instlist.append((pInstrument->pInfo)->Name.c_str()); |
710 |
pInstrument = pGig->GetNextInstrument(); |
711 |
} |
712 |
delete pGig; |
713 |
delete pRiff; |
714 |
} |
715 |
else |
716 |
#endif |
717 |
for (int iInstrumentNr = 0; iInstrumentNr < QSAMPLER_INSTRUMENT_MAX; iInstrumentNr++) |
718 |
instlist.append(sInstrumentName + " [" + QString::number(iInstrumentNr) + "]"); |
719 |
} |
720 |
else instlist.append(noInstrumentName()); |
721 |
|
722 |
return instlist; |
723 |
} |
724 |
|
725 |
|
726 |
// Retrieve the spacific instrument name of a instrument file (.gig), given its index. |
727 |
QString qsamplerChannel::getInstrumentName( const QString& sInstrumentFile, |
728 |
int iInstrumentNr, bool bInstrumentNames ) |
729 |
{ |
730 |
QString sInstrumentName; |
731 |
|
732 |
if (isInstrumentFile(sInstrumentFile)) { |
733 |
sInstrumentName = QFileInfo(sInstrumentFile).fileName(); |
734 |
#ifdef CONFIG_LIBGIG |
735 |
if (bInstrumentNames) { |
736 |
RIFF::File *pRiff = new RIFF::File(sInstrumentFile.latin1()); |
737 |
gig::File *pGig = new gig::File(pRiff); |
738 |
int iIndex = 0; |
739 |
gig::Instrument *pInstrument = pGig->GetFirstInstrument(); |
740 |
while (pInstrument) { |
741 |
if (iIndex == iInstrumentNr) { |
742 |
sInstrumentName = (pInstrument->pInfo)->Name.c_str(); |
743 |
break; |
744 |
} |
745 |
iIndex++; |
746 |
pInstrument = pGig->GetNextInstrument(); |
747 |
} |
748 |
delete pGig; |
749 |
delete pRiff; |
750 |
} |
751 |
else |
752 |
#endif |
753 |
sInstrumentName += " [" + QString::number(iInstrumentNr) + "]"; |
754 |
} |
755 |
else sInstrumentName = noInstrumentName(); |
756 |
|
757 |
return sInstrumentName; |
758 |
} |
759 |
|
760 |
|
761 |
// Common invalid name-helpers. |
762 |
QString qsamplerChannel::noEngineName (void) |
763 |
{ |
764 |
return QObject::tr("(No engine)"); |
765 |
} |
766 |
|
767 |
QString qsamplerChannel::noInstrumentName (void) |
768 |
{ |
769 |
return QObject::tr("(No instrument)"); |
770 |
} |
771 |
|
772 |
QString qsamplerChannel::loadingInstrument (void) { |
773 |
return QObject::tr("(Loading instrument...)"); |
774 |
} |
775 |
|
776 |
|
777 |
|
778 |
//------------------------------------------------------------------------- |
779 |
// qsamplerChannelRoutingTable - Channel routing table. |
780 |
// |
781 |
|
782 |
// Constructor. |
783 |
qsamplerChannelRoutingTable::qsamplerChannelRoutingTable ( |
784 |
QWidget *pParent, const char *pszName ) |
785 |
: QTable(pParent, pszName) |
786 |
{ |
787 |
// Set fixed number of columns. |
788 |
QTable::setNumCols(2); |
789 |
QTable::setShowGrid(false); |
790 |
QTable::setSorting(false); |
791 |
QTable::setFocusStyle(QTable::FollowStyle); |
792 |
QTable::setSelectionMode(QTable::NoSelection); |
793 |
// No vertical header. |
794 |
QTable::verticalHeader()->hide(); |
795 |
QTable::setLeftMargin(0); |
796 |
// Initialize the fixed table column headings. |
797 |
QHeader *pHeader = QTable::horizontalHeader(); |
798 |
pHeader->setLabel(0, tr("Sampler Channel")); |
799 |
pHeader->setLabel(1, tr("Device Channel")); |
800 |
// Set read-onlyness of each column |
801 |
QTable::setColumnReadOnly(0, true); |
802 |
// QTable::setColumnReadOnly(1, false); -- of course not. |
803 |
QTable::setColumnStretchable(1, true); |
804 |
} |
805 |
|
806 |
// Default destructor. |
807 |
qsamplerChannelRoutingTable::~qsamplerChannelRoutingTable (void) |
808 |
{ |
809 |
} |
810 |
|
811 |
|
812 |
// Routing map table renderer. |
813 |
void qsamplerChannelRoutingTable::refresh ( qsamplerDevice *pDevice, |
814 |
const qsamplerChannelRoutingMap& routing ) |
815 |
{ |
816 |
if (pDevice == NULL) |
817 |
return; |
818 |
|
819 |
// Always (re)start it empty. |
820 |
QTable::setUpdatesEnabled(false); |
821 |
QTable::setNumRows(0); |
822 |
|
823 |
// The common device port item list. |
824 |
QStringList opts; |
825 |
qsamplerDevicePortList& ports = pDevice->ports(); |
826 |
qsamplerDevicePort *pPort; |
827 |
for (pPort = ports.first(); pPort; pPort = ports.next()) { |
828 |
opts.append(pDevice->deviceTypeName() |
829 |
+ ' ' + pDevice->driverName() |
830 |
+ ' ' + pPort->portName()); |
831 |
} |
832 |
|
833 |
// Those items shall have a proper pixmap... |
834 |
QPixmap pmChannel = QPixmap::fromMimeSource("qsamplerChannel.png"); |
835 |
QPixmap pmDevice; |
836 |
switch (pDevice->deviceType()) { |
837 |
case qsamplerDevice::Audio: |
838 |
pmDevice = QPixmap::fromMimeSource("audio2.png"); |
839 |
break; |
840 |
case qsamplerDevice::Midi: |
841 |
pmDevice = QPixmap::fromMimeSource("midi2.png"); |
842 |
break; |
843 |
case qsamplerDevice::None: |
844 |
break; |
845 |
} |
846 |
|
847 |
// Fill the routing table... |
848 |
QTable::insertRows(0, routing.count()); |
849 |
int iRow = 0; |
850 |
qsamplerChannelRoutingMap::ConstIterator iter; |
851 |
for (iter = routing.begin(); iter != routing.end(); ++iter) { |
852 |
QTable::setPixmap(iRow, 0, pmChannel); |
853 |
QTable::setText(iRow, 0, pDevice->deviceTypeName() |
854 |
+ ' ' + QString::number(iter.key())); |
855 |
qsamplerChannelRoutingComboBox *pComboItem = |
856 |
new qsamplerChannelRoutingComboBox(this, opts, pmDevice); |
857 |
pComboItem->setCurrentItem(iter.data()); |
858 |
QTable::setItem(iRow, 1, pComboItem); |
859 |
++iRow; |
860 |
} |
861 |
|
862 |
// Adjust optimal column widths. |
863 |
QTable::adjustColumn(0); |
864 |
QTable::adjustColumn(1); |
865 |
|
866 |
QTable::setUpdatesEnabled(true); |
867 |
QTable::updateContents(); |
868 |
} |
869 |
|
870 |
|
871 |
// Commit any pending editing. |
872 |
void qsamplerChannelRoutingTable::flush (void) |
873 |
{ |
874 |
if (QTable::isEditing()) |
875 |
QTable::endEdit(QTable::currEditRow(), QTable::currEditCol(), true, true); |
876 |
} |
877 |
|
878 |
|
879 |
//------------------------------------------------------------------------- |
880 |
// qsamplerChannelRoutingComboBox - Custom combo box for routing table. |
881 |
// |
882 |
|
883 |
// Constructor. |
884 |
qsamplerChannelRoutingComboBox::qsamplerChannelRoutingComboBox ( |
885 |
QTable *pTable, const QStringList& list, const QPixmap& pixmap ) |
886 |
: QTableItem(pTable, QTableItem::WhenCurrent, QString::null, pixmap), |
887 |
m_list(list) |
888 |
{ |
889 |
m_iCurrentItem = 0; |
890 |
} |
891 |
|
892 |
// Public accessors. |
893 |
void qsamplerChannelRoutingComboBox::setCurrentItem ( int iCurrentItem ) |
894 |
{ |
895 |
m_iCurrentItem = iCurrentItem; |
896 |
|
897 |
QTableItem::setText(m_list[iCurrentItem]); |
898 |
} |
899 |
|
900 |
int qsamplerChannelRoutingComboBox::currentItem (void) const |
901 |
{ |
902 |
return m_iCurrentItem; |
903 |
} |
904 |
|
905 |
// Virtual implemetations. |
906 |
QWidget *qsamplerChannelRoutingComboBox::createEditor (void) const |
907 |
{ |
908 |
QComboBox *pComboBox = new QComboBox(QTableItem::table()->viewport()); |
909 |
QObject::connect(pComboBox, SIGNAL(activated(int)), |
910 |
QTableItem::table(), SLOT(doValueChanged())); |
911 |
for (QStringList::ConstIterator iter = m_list.begin(); |
912 |
iter != m_list.end(); iter++) { |
913 |
pComboBox->insertItem(QTableItem::pixmap(), *iter); |
914 |
} |
915 |
pComboBox->setCurrentItem(m_iCurrentItem); |
916 |
return pComboBox; |
917 |
} |
918 |
|
919 |
void qsamplerChannelRoutingComboBox::setContentFromEditor ( QWidget *pWidget ) |
920 |
{ |
921 |
if (pWidget->inherits("QComboBox")) { |
922 |
QComboBox *pComboBox = (QComboBox *) pWidget; |
923 |
m_iCurrentItem = pComboBox->currentItem(); |
924 |
QTableItem::setText(pComboBox->currentText()); |
925 |
} |
926 |
else QTableItem::setContentFromEditor(pWidget); |
927 |
} |
928 |
|
929 |
|
930 |
// end of qsamplerChannel.cpp |