--- qsampler/trunk/src/qsamplerChannel.cpp 2006/09/24 12:47:51 920 +++ qsampler/trunk/src/qsamplerChannel.cpp 2007/11/22 14:17:24 1510 @@ -1,7 +1,8 @@ // qsamplerChannel.cpp // /**************************************************************************** - Copyright (C) 2004-2006, rncbc aka Rui Nuno Capela. All rights reserved. + Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved. + Copyright (C) 2007, Christian Schoenebeck This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License @@ -21,12 +22,13 @@ #include "qsamplerAbout.h" #include "qsamplerChannel.h" +#include "qsamplerUtilities.h" #include "qsamplerMainForm.h" #include "qsamplerChannelForm.h" -#include -#include +#include +#include #ifdef CONFIG_LIBGIG #include "gig.h" @@ -34,15 +36,18 @@ #define QSAMPLER_INSTRUMENT_MAX 100 +#define UNICODE_RIGHT_ARROW QChar(char(0x92), char(0x21)) + + +using namespace QSampler; //------------------------------------------------------------------------- // qsamplerChannel - Sampler channel structure. // // Constructor. -qsamplerChannel::qsamplerChannel ( qsamplerMainForm *pMainForm, int iChannelID ) +qsamplerChannel::qsamplerChannel ( int iChannelID ) { - m_pMainForm = pMainForm; m_iChannelID = iChannelID; // m_sEngineName = noEngineName(); @@ -54,9 +59,10 @@ m_iMidiDevice = -1; m_iMidiPort = -1; m_iMidiChannel = -1; + m_iMidiMap = -1; m_sAudioDriver = "ALSA"; m_iAudioDevice = -1; - m_fVolume = 0.0; + m_fVolume = 0.0f; m_bMute = false; m_bSolo = false; } @@ -67,45 +73,22 @@ } -// Main application form accessor. -qsamplerMainForm *qsamplerChannel::mainForm(void) const -{ - return m_pMainForm; -} - - -// The global options settings delegated property. -qsamplerOptions *qsamplerChannel::options (void) const -{ - if (m_pMainForm == NULL) - return NULL; - - return m_pMainForm->options(); -} - - -// The client descriptor delegated property. -lscp_client_t *qsamplerChannel::client (void) const -{ - if (m_pMainForm == NULL) - return NULL; - - return m_pMainForm->client(); -} - - // Create a new sampler channel, if not already. bool qsamplerChannel::addChannel (void) { - if (client() == NULL) + MainForm* pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL) return false; // Are we a new channel? if (m_iChannelID < 0) { - m_iChannelID = ::lscp_add_channel(client()); + m_iChannelID = ::lscp_add_channel(pMainForm->client()); if (m_iChannelID < 0) { appendMessagesClient("lscp_add_channel"); - appendMessagesError(QObject::tr("Could not add channel.\n\nSorry.")); + appendMessagesError( + QObject::tr("Could not add channel.\n\nSorry.")); } // Otherwise it's created... else appendMessages(QObject::tr("added.")); } @@ -118,12 +101,15 @@ // Remove sampler channel. bool qsamplerChannel::removeChannel (void) { - if (client() == NULL) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL) return false; // Are we an existing channel? if (m_iChannelID >= 0) { - if (::lscp_remove_channel(client(), m_iChannelID) != LSCP_OK) { + if (::lscp_remove_channel(pMainForm->client(), m_iChannelID) != LSCP_OK) { appendMessagesClient("lscp_remove_channel"); appendMessagesError(QObject::tr("Could not remove channel.\n\nSorry.")); } else { @@ -165,15 +151,20 @@ bool qsamplerChannel::loadEngine ( const QString& sEngineName ) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; if (m_iInstrumentStatus == 100 && m_sEngineName == sEngineName) return true; - if (::lscp_load_engine(client(), sEngineName.latin1(), m_iChannelID) != LSCP_OK) { + if (::lscp_load_engine(pMainForm->client(), + sEngineName.toUtf8().constData(), m_iChannelID) != LSCP_OK) { appendMessagesClient("lscp_load_engine"); return false; } + appendMessages(QObject::tr("Engine: %1.").arg(sEngineName)); m_sEngineName = sEngineName; @@ -208,14 +199,24 @@ // Instrument file loader. bool qsamplerChannel::loadInstrument ( const QString& sInstrumentFile, int iInstrumentNr ) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; if (!isInstrumentFile(sInstrumentFile)) return false; if (m_iInstrumentStatus == 100 && m_sInstrumentFile == sInstrumentFile && m_iInstrumentNr == iInstrumentNr) return true; - if (::lscp_load_instrument_non_modal(client(), sInstrumentFile.latin1(), iInstrumentNr, m_iChannelID) != LSCP_OK) { + if ( + ::lscp_load_instrument_non_modal( + pMainForm->client(), + qsamplerUtilities::lscpEscapePath( + sInstrumentFile).toUtf8().constData(), + iInstrumentNr, m_iChannelID + ) != LSCP_OK + ) { appendMessagesClient("lscp_load_instrument"); return false; } @@ -251,12 +252,16 @@ bool qsamplerChannel::setMidiDriver ( const QString& sMidiDriver ) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; if (m_iInstrumentStatus == 100 && m_sMidiDriver == sMidiDriver) return true; - if (::lscp_set_channel_midi_type(client(), m_iChannelID, sMidiDriver.latin1()) != LSCP_OK) { + if (::lscp_set_channel_midi_type(pMainForm->client(), + m_iChannelID, sMidiDriver.toUtf8().constData()) != LSCP_OK) { appendMessagesClient("lscp_set_channel_midi_type"); return false; } @@ -276,12 +281,15 @@ bool qsamplerChannel::setMidiDevice ( int iMidiDevice ) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; if (m_iInstrumentStatus == 100 && m_iMidiDevice == iMidiDevice) return true; - if (::lscp_set_channel_midi_device(client(), m_iChannelID, iMidiDevice) != LSCP_OK) { + if (::lscp_set_channel_midi_device(pMainForm->client(), m_iChannelID, iMidiDevice) != LSCP_OK) { appendMessagesClient("lscp_set_channel_midi_device"); return false; } @@ -301,12 +309,15 @@ bool qsamplerChannel::setMidiPort ( int iMidiPort ) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; if (m_iInstrumentStatus == 100 && m_iMidiPort == iMidiPort) return true; - if (::lscp_set_channel_midi_port(client(), m_iChannelID, iMidiPort) != LSCP_OK) { + if (::lscp_set_channel_midi_port(pMainForm->client(), m_iChannelID, iMidiPort) != LSCP_OK) { appendMessagesClient("lscp_set_channel_midi_port"); return false; } @@ -326,12 +337,15 @@ bool qsamplerChannel::setMidiChannel ( int iMidiChannel ) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; if (m_iInstrumentStatus == 100 && m_iMidiChannel == iMidiChannel) return true; - if (::lscp_set_channel_midi_channel(client(), m_iChannelID, iMidiChannel) != LSCP_OK) { + if (::lscp_set_channel_midi_channel(pMainForm->client(), m_iChannelID, iMidiChannel) != LSCP_OK) { appendMessagesClient("lscp_set_channel_midi_channel"); return false; } @@ -343,6 +357,34 @@ } +// MIDI instrument map accessor. +int qsamplerChannel::midiMap (void) const +{ + return m_iMidiMap; +} + +bool qsamplerChannel::setMidiMap ( int iMidiMap ) +{ + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) + return false; + if (m_iInstrumentStatus == 100 && m_iMidiMap == iMidiMap) + return true; +#ifdef CONFIG_MIDI_INSTRUMENT + if (::lscp_set_channel_midi_map(pMainForm->client(), m_iChannelID, iMidiMap) != LSCP_OK) { + appendMessagesClient("lscp_set_channel_midi_map"); + return false; + } +#endif + appendMessages(QObject::tr("MIDI map: %1.").arg(iMidiMap)); + + m_iMidiMap = iMidiMap; + return true; +} + + // Audio device accessor. int qsamplerChannel::audioDevice (void) const { @@ -351,12 +393,15 @@ bool qsamplerChannel::setAudioDevice ( int iAudioDevice ) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; if (m_iInstrumentStatus == 100 && m_iAudioDevice == iAudioDevice) return true; - if (::lscp_set_channel_audio_device(client(), m_iChannelID, iAudioDevice) != LSCP_OK) { + if (::lscp_set_channel_audio_device(pMainForm->client(), m_iChannelID, iAudioDevice) != LSCP_OK) { appendMessagesClient("lscp_set_channel_audio_device"); return false; } @@ -376,12 +421,16 @@ bool qsamplerChannel::setAudioDriver ( const QString& sAudioDriver ) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; if (m_iInstrumentStatus == 100 && m_sAudioDriver == sAudioDriver) return true; - if (::lscp_set_channel_audio_type(client(), m_iChannelID, sAudioDriver.latin1()) != LSCP_OK) { + if (::lscp_set_channel_audio_type(pMainForm->client(), + m_iChannelID, sAudioDriver.toUtf8().constData()) != LSCP_OK) { appendMessagesClient("lscp_set_channel_audio_type"); return false; } @@ -401,12 +450,15 @@ bool qsamplerChannel::setVolume ( float fVolume ) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; if (m_iInstrumentStatus == 100 && m_fVolume == fVolume) return true; - if (::lscp_set_channel_volume(client(), m_iChannelID, fVolume) != LSCP_OK) { + if (::lscp_set_channel_volume(pMainForm->client(), m_iChannelID, fVolume) != LSCP_OK) { appendMessagesClient("lscp_set_channel_volume"); return false; } @@ -426,13 +478,16 @@ bool qsamplerChannel::setChannelMute ( bool bMute ) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; if (m_iInstrumentStatus == 100 && ((m_bMute && bMute) || (!m_bMute && !bMute))) return true; #ifdef CONFIG_MUTE_SOLO - if (::lscp_set_channel_mute(client(), m_iChannelID, bMute) != LSCP_OK) { + if (::lscp_set_channel_mute(pMainForm->client(), m_iChannelID, bMute) != LSCP_OK) { appendMessagesClient("lscp_set_channel_mute"); return false; } @@ -453,13 +508,16 @@ bool qsamplerChannel::setChannelSolo ( bool bSolo ) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; if (m_iInstrumentStatus == 100 && ((m_bSolo && bSolo) || (!m_bSolo && !bSolo))) return true; #ifdef CONFIG_MUTE_SOLO - if (::lscp_set_channel_solo(client(), m_iChannelID, bSolo) != LSCP_OK) { + if (::lscp_set_channel_solo(pMainForm->client(), m_iChannelID, bSolo) != LSCP_OK) { appendMessagesClient("lscp_set_channel_solo"); return false; } @@ -480,13 +538,16 @@ bool qsamplerChannel::setAudioChannel ( int iAudioOut, int iAudioIn ) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; if (m_iInstrumentStatus == 100 && m_audioRouting[iAudioOut] == iAudioIn) return true; - if (::lscp_set_channel_audio_channel(client(), + if (::lscp_set_channel_audio_channel(pMainForm->client(), m_iChannelID, iAudioOut, iAudioIn) != LSCP_OK) { appendMessagesClient("lscp_set_channel_audio_channel"); return false; @@ -519,11 +580,14 @@ // Update whole channel info state. bool qsamplerChannel::updateChannelInfo (void) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; // Read channel information. - lscp_channel_info_t *pChannelInfo = ::lscp_get_channel_info(client(), m_iChannelID); + lscp_channel_info_t *pChannelInfo = ::lscp_get_channel_info(pMainForm->client(), m_iChannelID); if (pChannelInfo == NULL) { appendMessagesClient("lscp_get_channel_info"); appendMessagesError(QObject::tr("Could not get channel information.\n\nSorry.")); @@ -532,9 +596,11 @@ #ifdef CONFIG_INSTRUMENT_NAME // We got all actual instrument datum... - m_sInstrumentFile = pChannelInfo->instrument_file; + m_sInstrumentFile = + qsamplerUtilities::lscpEscapedPathToPosix(pChannelInfo->instrument_file); m_iInstrumentNr = pChannelInfo->instrument_nr; - m_sInstrumentName = pChannelInfo->instrument_name; + m_sInstrumentName = + qsamplerUtilities::lscpEscapedTextToRaw(pChannelInfo->instrument_name); #else // First, check if intrument name has changed, // taking care that instrument name lookup might be expensive, @@ -552,6 +618,9 @@ m_iMidiDevice = pChannelInfo->midi_device; m_iMidiPort = pChannelInfo->midi_port; m_iMidiChannel = pChannelInfo->midi_channel; +#ifdef CONFIG_MIDI_INSTRUMENT + m_iMidiMap = pChannelInfo->midi_map; +#endif m_iAudioDevice = pChannelInfo->audio_device; m_fVolume = pChannelInfo->volume; #ifdef CONFIG_MUTE_SOLO @@ -570,7 +639,7 @@ lscp_device_info_t *pDeviceInfo; const QString sNone = QObject::tr("(none)"); // Audio device driver type. - pDeviceInfo = ::lscp_get_audio_device_info(client(), m_iAudioDevice); + pDeviceInfo = ::lscp_get_audio_device_info(pMainForm->client(), m_iAudioDevice); if (pDeviceInfo == NULL) { appendMessagesClient("lscp_get_audio_device_info"); m_sAudioDriver = sNone; @@ -578,7 +647,7 @@ m_sAudioDriver = pDeviceInfo->driver; } // MIDI device driver type. - pDeviceInfo = ::lscp_get_midi_device_info(client(), m_iMidiDevice); + pDeviceInfo = ::lscp_get_midi_device_info(pMainForm->client(), m_iMidiDevice); if (pDeviceInfo == NULL) { appendMessagesClient("lscp_get_midi_device_info"); m_sMidiDriver = sNone; @@ -588,10 +657,15 @@ // Set the audio routing map. m_audioRouting.clear(); - char **ppszRouting = pChannelInfo->audio_routing; - for (int i = 0; ppszRouting && ppszRouting[i]; i++) { - m_audioRouting[i] = ::atoi(ppszRouting[i]); - } +#ifdef CONFIG_AUDIO_ROUTING + int *piAudioRouting = pChannelInfo->audio_routing; + for (int i = 0; piAudioRouting && piAudioRouting[i] >= 0; i++) + m_audioRouting[i] = piAudioRouting[i]; +#else + char **ppszAudioRouting = pChannelInfo->audio_routing; + for (int i = 0; ppszAudioRouting && ppszAudioRouting[i]; i++) + m_audioRouting[i] = ::atoi(ppszAudioRouting[i]); +#endif return true; } @@ -600,10 +674,13 @@ // Reset channel method. bool qsamplerChannel::channelReset (void) { - if (client() == NULL || m_iChannelID < 0) + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) return false; - if (::lscp_reset_channel(client(), m_iChannelID) != LSCP_OK) { + if (::lscp_reset_channel(pMainForm->client(), m_iChannelID) != LSCP_OK) { appendMessagesClient("lscp_reset_channel"); return false; } @@ -614,14 +691,61 @@ } +// Spawn instrument editor method. +bool qsamplerChannel::editChannel (void) +{ +#ifdef CONFIG_EDIT_INSTRUMENT + + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + if (pMainForm->client() == NULL || m_iChannelID < 0) + return false; + + if (::lscp_edit_channel_instrument(pMainForm->client(), m_iChannelID) + != LSCP_OK) { + appendMessagesClient("lscp_edit_channel_instrument"); + appendMessagesError(QObject::tr( + "Could not launch an appropriate instrument editor " + "for the given instrument!\n" + "Make sure you have an appropriate " + "instrument editor like 'gigedit' installed\n" + "and that it placed its mandatory DLL file " + "into the sampler's plugin directory.") + ); + return false; + } + + appendMessages(QObject::tr("edit instrument.")); + + return true; + +#else + + appendMessagesError(QObject::tr( + "Sorry, QSampler was compiled for a version of liblscp " + "which lacks this feature.\n" + "You may want to update liblscp and recompile QSampler afterwards.") + ); + + return false; + +#endif +} + + // Channel setup dialog form. bool qsamplerChannel::channelSetup ( QWidget *pParent ) { + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm == NULL) + return false; + bool bResult = false; appendMessages(QObject::tr("setup...")); - qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(pParent); + ChannelForm *pChannelForm = new ChannelForm(pParent); if (pChannelForm) { pChannelForm->setup(this); bResult = pChannelForm->exec(); @@ -635,41 +759,47 @@ // Redirected messages output methods. void qsamplerChannel::appendMessages( const QString& s ) const { - if (m_pMainForm) - m_pMainForm->appendMessages(channelName() + ' ' + s); + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessages(channelName() + ' ' + s); } void qsamplerChannel::appendMessagesColor( const QString& s, const QString& c ) const { - if (m_pMainForm) - m_pMainForm->appendMessagesColor(channelName() + ' ' + s, c); + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessagesColor(channelName() + ' ' + s, c); } void qsamplerChannel::appendMessagesText( const QString& s ) const { - if (m_pMainForm) - m_pMainForm->appendMessagesText(channelName() + ' ' + s); + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessagesText(channelName() + ' ' + s); } void qsamplerChannel::appendMessagesError( const QString& s ) const { - if (m_pMainForm) - m_pMainForm->appendMessagesError(channelName() + "\n\n" + s); + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessagesError(channelName() + "\n\n" + s); } void qsamplerChannel::appendMessagesClient( const QString& s ) const { - if (m_pMainForm) - m_pMainForm->appendMessagesClient(channelName() + ' ' + s); + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->appendMessagesClient(channelName() + ' ' + s); } // Context menu event handler. void qsamplerChannel::contextMenuEvent( QContextMenuEvent *pEvent ) { - if (m_pMainForm) - m_pMainForm->contextMenuEvent(pEvent); + MainForm *pMainForm = MainForm::getInstance(); + if (pMainForm) + pMainForm->contextMenuEvent(pEvent); } @@ -679,9 +809,9 @@ bool bResult = false; QFile file(sInstrumentFile); - if (file.open(IO_ReadOnly)) { + if (file.open(QIODevice::ReadOnly)) { char achHeader[16]; - if (file.readBlock(achHeader, 16)) { + if (file.read(achHeader, 16) > 0) { bResult = (::memcmp(&achHeader[0], "RIFF", 4) == 0 && ::memcmp(&achHeader[8], "DLS LIST", 8) == 0); } @@ -702,7 +832,8 @@ if (isInstrumentFile(sInstrumentFile)) { #ifdef CONFIG_LIBGIG if (bInstrumentNames) { - RIFF::File *pRiff = new RIFF::File(sInstrumentFile.latin1()); + RIFF::File *pRiff + = new RIFF::File(sInstrumentFile.toUtf8().constData()); gig::File *pGig = new gig::File(pRiff); gig::Instrument *pInstrument = pGig->GetFirstInstrument(); while (pInstrument) { @@ -733,8 +864,9 @@ sInstrumentName = QFileInfo(sInstrumentFile).fileName(); #ifdef CONFIG_LIBGIG if (bInstrumentNames) { - RIFF::File *pRiff = new RIFF::File(sInstrumentFile.latin1()); - gig::File *pGig = new gig::File(pRiff); + RIFF::File *pRiff + = new RIFF::File(sInstrumentFile.toUtf8().constData()); + gig::File *pGig = new gig::File(pRiff); int iIndex = 0; gig::Instrument *pInstrument = pGig->GetFirstInstrument(); while (pInstrument) { @@ -774,156 +906,156 @@ } - //------------------------------------------------------------------------- -// qsamplerChannelRoutingTable - Channel routing table. +// ChannelRoutingModel - data model for audio routing (used for QTableView) // -// Constructor. -qsamplerChannelRoutingTable::qsamplerChannelRoutingTable ( - QWidget *pParent, const char *pszName ) - : QTable(pParent, pszName) -{ - // Set fixed number of columns. - QTable::setNumCols(2); - QTable::setShowGrid(false); - QTable::setSorting(false); - QTable::setFocusStyle(QTable::FollowStyle); - QTable::setSelectionMode(QTable::NoSelection); - // No vertical header. - QTable::verticalHeader()->hide(); - QTable::setLeftMargin(0); - // Initialize the fixed table column headings. - QHeader *pHeader = QTable::horizontalHeader(); - pHeader->setLabel(0, tr("Sampler Channel")); - pHeader->setLabel(1, tr("Device Channel")); - // Set read-onlyness of each column - QTable::setColumnReadOnly(0, true); -// QTable::setColumnReadOnly(1, false); -- of course not. - QTable::setColumnStretchable(1, true); +ChannelRoutingModel::ChannelRoutingModel ( QObject *pParent ) + : QAbstractTableModel(pParent), m_pDevice(NULL) +{ } -// Default destructor. -qsamplerChannelRoutingTable::~qsamplerChannelRoutingTable (void) + +int ChannelRoutingModel::rowCount ( const QModelIndex& /*parent*/) const { + return m_routing.size(); } -// Routing map table renderer. -void qsamplerChannelRoutingTable::refresh ( qsamplerDevice *pDevice, - const qsamplerChannelRoutingMap& routing ) +int ChannelRoutingModel::columnCount ( const QModelIndex& /*parent*/) const { - if (pDevice == NULL) - return; + return 1; +} + + +Qt::ItemFlags ChannelRoutingModel::flags ( const QModelIndex& /*index*/) const +{ + return Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled; +} + + +bool ChannelRoutingModel::setData ( const QModelIndex& index, + const QVariant& value, int /*role*/) +{ + if (!index.isValid()) + return false; - // Always (re)start it empty. - QTable::setUpdatesEnabled(false); - QTable::setNumRows(0); + m_routing[index.row()] = value.toInt(); + + emit dataChanged(index, index); + return true; +} + + +QVariant ChannelRoutingModel::data ( const QModelIndex &index, int role ) const +{ + if (!index.isValid()) + return QVariant(); + if (role != Qt::DisplayRole) + return QVariant(); + if (index.column() != 0) + return QVariant(); + + ChannelRoutingItem item; // The common device port item list. - QStringList opts; - qsamplerDevicePortList& ports = pDevice->ports(); - qsamplerDevicePort *pPort; - for (pPort = ports.first(); pPort; pPort = ports.next()) { - opts.append(pDevice->deviceTypeName() - + ' ' + pDevice->driverName() - + ' ' + pPort->portName()); - } - - // Those items shall have a proper pixmap... - QPixmap pmChannel = QPixmap::fromMimeSource("qsamplerChannel.png"); - QPixmap pmDevice; - switch (pDevice->deviceType()) { - case qsamplerDevice::Audio: - pmDevice = QPixmap::fromMimeSource("audio2.png"); - break; - case qsamplerDevice::Midi: - pmDevice = QPixmap::fromMimeSource("midi2.png"); - break; - case qsamplerDevice::None: - break; - } - - // Fill the routing table... - QTable::insertRows(0, routing.count()); - int iRow = 0; - qsamplerChannelRoutingMap::ConstIterator iter; - for (iter = routing.begin(); iter != routing.end(); ++iter) { - QTable::setPixmap(iRow, 0, pmChannel); - QTable::setText(iRow, 0, pDevice->deviceTypeName() - + ' ' + QString::number(iter.key())); - qsamplerChannelRoutingComboBox *pComboItem = - new qsamplerChannelRoutingComboBox(this, opts, pmDevice); - pComboItem->setCurrentItem(iter.data()); - QTable::setItem(iRow, 1, pComboItem); - ++iRow; - } - - // Adjust optimal column widths. - QTable::adjustColumn(0); - QTable::adjustColumn(1); - - QTable::setUpdatesEnabled(true); - QTable::updateContents(); + qsamplerDevicePortList& ports = m_pDevice->ports(); + QListIterator iter(ports); + while (iter.hasNext()) { + qsamplerDevicePort *pPort = iter.next(); + item.options.append( + m_pDevice->deviceTypeName() + + ' ' + m_pDevice->driverName() + + ' ' + pPort->portName() + ); + } + + item.selection = m_routing[index.row()]; + + return QVariant::fromValue(item); +} + + +QVariant ChannelRoutingModel::headerData ( int section, + Qt::Orientation orientation, int role) const +{ + if (role != Qt::DisplayRole) + return QVariant(); + + switch (orientation) { + case Qt::Horizontal: + return UNICODE_RIGHT_ARROW + QObject::tr(" Device Channel"); + case Qt::Vertical: + return QObject::tr("Sampler Channel ") + + QString::number(section) + " " + UNICODE_RIGHT_ARROW; + default: + return QVariant(); + } } -// Commit any pending editing. -void qsamplerChannelRoutingTable::flush (void) +void ChannelRoutingModel::refresh ( qsamplerDevice *pDevice, + const qsamplerChannelRoutingMap& routing ) { - if (QTable::isEditing()) - QTable::endEdit(QTable::currEditRow(), QTable::currEditCol(), true, true); + m_pDevice = pDevice; + m_routing = routing; + // inform the outer world (QTableView) that our data changed + QAbstractTableModel::reset(); } //------------------------------------------------------------------------- -// qsamplerChannelRoutingComboBox - Custom combo box for routing table. +// ChannelRoutingDelegate - table cell renderer for audio routing // -// Constructor. -qsamplerChannelRoutingComboBox::qsamplerChannelRoutingComboBox ( - QTable *pTable, const QStringList& list, const QPixmap& pixmap ) - : QTableItem(pTable, QTableItem::WhenCurrent, QString::null, pixmap), - m_list(list) +ChannelRoutingDelegate::ChannelRoutingDelegate ( QObject *pParent ) + : QItemDelegate(pParent) { - m_iCurrentItem = 0; } -// Public accessors. -void qsamplerChannelRoutingComboBox::setCurrentItem ( int iCurrentItem ) + +QWidget* ChannelRoutingDelegate::createEditor ( QWidget *pParent, + const QStyleOptionViewItem & option, const QModelIndex& index ) const { - m_iCurrentItem = iCurrentItem; + if (!index.isValid()) + return NULL; + + if (index.column() != 0) + return NULL; + + ChannelRoutingItem item = index.model()->data(index, Qt::DisplayRole).value(); - QTableItem::setText(m_list[iCurrentItem]); + QComboBox* pComboBox = new QComboBox(pParent); + pComboBox->addItems(item.options); + pComboBox->setCurrentIndex(item.selection); + pComboBox->setEnabled(true); + pComboBox->setGeometry(option.rect); + return pComboBox; } -int qsamplerChannelRoutingComboBox::currentItem (void) const + +void ChannelRoutingDelegate::setEditorData ( QWidget *pEditor, + const QModelIndex &index) const { - return m_iCurrentItem; + ChannelRoutingItem item = index.model()->data(index, + Qt::DisplayRole).value (); + QComboBox* pComboBox = static_cast (pEditor); + pComboBox->setCurrentIndex(item.selection); } -// Virtual implemetations. -QWidget *qsamplerChannelRoutingComboBox::createEditor (void) const + +void ChannelRoutingDelegate::setModelData ( QWidget* pEditor, + QAbstractItemModel *pModel, const QModelIndex& index ) const { - QComboBox *pComboBox = new QComboBox(QTableItem::table()->viewport()); - QObject::connect(pComboBox, SIGNAL(activated(int)), - QTableItem::table(), SLOT(doValueChanged())); - for (QStringList::ConstIterator iter = m_list.begin(); - iter != m_list.end(); iter++) { - pComboBox->insertItem(QTableItem::pixmap(), *iter); - } - pComboBox->setCurrentItem(m_iCurrentItem); - return pComboBox; + QComboBox *pComboBox = static_cast (pEditor); + pModel->setData(index, pComboBox->currentIndex()); } -void qsamplerChannelRoutingComboBox::setContentFromEditor ( QWidget *pWidget ) + +void ChannelRoutingDelegate::updateEditorGeometry ( QWidget *pEditor, + const QStyleOptionViewItem& option, const QModelIndex &/* index */) const { - if (pWidget->inherits("QComboBox")) { - QComboBox *pComboBox = (QComboBox *) pWidget; - m_iCurrentItem = pComboBox->currentItem(); - QTableItem::setText(pComboBox->currentText()); - } - else QTableItem::setContentFromEditor(pWidget); + pEditor->setGeometry(option.rect); }