/[svn]/qsampler/trunk/src/qsamplerChannel.cpp
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Diff of /qsampler/trunk/src/qsamplerChannel.cpp

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revision 1461 by schoenebeck, Sun Oct 28 23:30:36 2007 UTC revision 1499 by capela, Tue Nov 20 16:48:04 2007 UTC
# Line 2  Line 2 
2  //  //
3  /****************************************************************************  /****************************************************************************
4     Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved.     Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved.
5       Copyright (C) 2007, Christian Schoenebeck
6    
7     This program is free software; you can redistribute it and/or     This program is free software; you can redistribute it and/or
8     modify it under the terms of the GNU General Public License     modify it under the terms of the GNU General Public License
# Line 19  Line 20 
20    
21  *****************************************************************************/  *****************************************************************************/
22    
 #include "qsamplerUtilities.h"  
23  #include "qsamplerAbout.h"  #include "qsamplerAbout.h"
24  #include "qsamplerChannel.h"  #include "qsamplerChannel.h"
25    #include "qsamplerUtilities.h"
26    
27  #include "qsamplerMainForm.h"  #include "qsamplerMainForm.h"
28  #include "qsamplerChannelForm.h"  #include "qsamplerChannelForm.h"
29    
30  #include <qfileinfo.h>  #include <QFileInfo>
31  #include <qcombobox.h>  #include <QComboBox>
32    
33  #ifdef CONFIG_LIBGIG  #ifdef CONFIG_LIBGIG
34  #include "gig.h"  #include "gig.h"
# Line 35  Line 36 
36    
37  #define QSAMPLER_INSTRUMENT_MAX 100  #define QSAMPLER_INSTRUMENT_MAX 100
38    
39    #define UNICODE_RIGHT_ARROW     QChar(char(0x92), char(0x21))
40    
41    
42  using namespace QSampler;  using namespace QSampler;
43    
44  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
# Line 155  bool qsamplerChannel::loadEngine ( const Line 159  bool qsamplerChannel::loadEngine ( const
159          if (m_iInstrumentStatus == 100 && m_sEngineName == sEngineName)          if (m_iInstrumentStatus == 100 && m_sEngineName == sEngineName)
160                  return true;                  return true;
161    
162          if (::lscp_load_engine(pMainForm->client(), sEngineName.latin1(), m_iChannelID) != LSCP_OK) {          if (::lscp_load_engine(pMainForm->client(),
163                            sEngineName.toUtf8().constData(), m_iChannelID) != LSCP_OK) {
164                  appendMessagesClient("lscp_load_engine");                  appendMessagesClient("lscp_load_engine");
165                  return false;                  return false;
166          }          }
# Line 207  bool qsamplerChannel::loadInstrument ( c Line 212  bool qsamplerChannel::loadInstrument ( c
212          if (          if (
213                  ::lscp_load_instrument_non_modal(                  ::lscp_load_instrument_non_modal(
214                          pMainForm->client(),                          pMainForm->client(),
215                          qsamplerUtilities::lscpEscapePath(sInstrumentFile).latin1(),                          qsamplerUtilities::lscpEscapePath(
216                                    sInstrumentFile).toUtf8().constData(),
217                          iInstrumentNr, m_iChannelID                          iInstrumentNr, m_iChannelID
218                  ) != LSCP_OK                  ) != LSCP_OK
219          ) {          ) {
# Line 254  bool qsamplerChannel::setMidiDriver ( co Line 260  bool qsamplerChannel::setMidiDriver ( co
260          if (m_iInstrumentStatus == 100 && m_sMidiDriver == sMidiDriver)          if (m_iInstrumentStatus == 100 && m_sMidiDriver == sMidiDriver)
261                  return true;                  return true;
262    
263          if (::lscp_set_channel_midi_type(pMainForm->client(), m_iChannelID, sMidiDriver.latin1()) != LSCP_OK) {          if (::lscp_set_channel_midi_type(pMainForm->client(),
264                            m_iChannelID, sMidiDriver.toUtf8().constData()) != LSCP_OK) {
265                  appendMessagesClient("lscp_set_channel_midi_type");                  appendMessagesClient("lscp_set_channel_midi_type");
266                  return false;                  return false;
267          }          }
# Line 422  bool qsamplerChannel::setAudioDriver ( c Line 429  bool qsamplerChannel::setAudioDriver ( c
429          if (m_iInstrumentStatus == 100 && m_sAudioDriver == sAudioDriver)          if (m_iInstrumentStatus == 100 && m_sAudioDriver == sAudioDriver)
430                  return true;                  return true;
431    
432          if (::lscp_set_channel_audio_type(pMainForm->client(), m_iChannelID, sAudioDriver.latin1()) != LSCP_OK) {          if (::lscp_set_channel_audio_type(pMainForm->client(),
433                            m_iChannelID, sAudioDriver.toUtf8().constData()) != LSCP_OK) {
434                  appendMessagesClient("lscp_set_channel_audio_type");                  appendMessagesClient("lscp_set_channel_audio_type");
435                  return false;                  return false;
436          }          }
# Line 801  bool qsamplerChannel::isInstrumentFile ( Line 809  bool qsamplerChannel::isInstrumentFile (
809          bool bResult = false;          bool bResult = false;
810    
811          QFile file(sInstrumentFile);          QFile file(sInstrumentFile);
812          if (file.open(IO_ReadOnly)) {          if (file.open(QIODevice::ReadOnly)) {
813                  char achHeader[16];                  char achHeader[16];
814                  if (file.readBlock(achHeader, 16)) {                  if (file.read(achHeader, 16) > 0) {
815                          bResult = (::memcmp(&achHeader[0], "RIFF", 4)     == 0                          bResult = (::memcmp(&achHeader[0], "RIFF", 4)     == 0
816                                          && ::memcmp(&achHeader[8], "DLS LIST", 8) == 0);                                          && ::memcmp(&achHeader[8], "DLS LIST", 8) == 0);
817                  }                  }
# Line 824  QStringList qsamplerChannel::getInstrume Line 832  QStringList qsamplerChannel::getInstrume
832          if (isInstrumentFile(sInstrumentFile)) {          if (isInstrumentFile(sInstrumentFile)) {
833  #ifdef CONFIG_LIBGIG  #ifdef CONFIG_LIBGIG
834                  if (bInstrumentNames) {                  if (bInstrumentNames) {
835                          RIFF::File *pRiff = new RIFF::File(sInstrumentFile.latin1());                          RIFF::File *pRiff
836                                    = new RIFF::File(sInstrumentFile.toUtf8().constData());
837                          gig::File  *pGig  = new gig::File(pRiff);                          gig::File  *pGig  = new gig::File(pRiff);
838                          gig::Instrument *pInstrument = pGig->GetFirstInstrument();                          gig::Instrument *pInstrument = pGig->GetFirstInstrument();
839                          while (pInstrument) {                          while (pInstrument) {
# Line 855  QString qsamplerChannel::getInstrumentNa Line 864  QString qsamplerChannel::getInstrumentNa
864                  sInstrumentName = QFileInfo(sInstrumentFile).fileName();                  sInstrumentName = QFileInfo(sInstrumentFile).fileName();
865  #ifdef CONFIG_LIBGIG  #ifdef CONFIG_LIBGIG
866                  if (bInstrumentNames) {                  if (bInstrumentNames) {
867                          RIFF::File *pRiff = new RIFF::File(sInstrumentFile.latin1());                          RIFF::File *pRiff
868                          gig::File  *pGig  = new gig::File(pRiff);                                  = new RIFF::File(sInstrumentFile.toUtf8().constData());
869                            gig::File *pGig = new gig::File(pRiff);
870                          int iIndex = 0;                          int iIndex = 0;
871                          gig::Instrument *pInstrument = pGig->GetFirstInstrument();                          gig::Instrument *pInstrument = pGig->GetFirstInstrument();
872                          while (pInstrument) {                          while (pInstrument) {
# Line 896  QString qsamplerChannel::loadingInstrume Line 906  QString qsamplerChannel::loadingInstrume
906  }  }
907    
908    
   
909  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
910  // qsamplerChannelRoutingTable - Channel routing table.  // ChannelRoutingModel - data model for audio routing (used for QTableView)
911  //  //
 #if 0  
 // 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);  
 }  
   
 // Default destructor.  
 qsamplerChannelRoutingTable::~qsamplerChannelRoutingTable (void)  
 {  
 }  
   
   
 // Routing map table renderer.  
 void qsamplerChannelRoutingTable::refresh ( qsamplerDevice *pDevice,  
         const qsamplerChannelRoutingMap& routing )  
 {  
         if (pDevice == NULL)  
                 return;  
   
         // Always (re)start it empty.  
         QTable::setUpdatesEnabled(false);  
         QTable::setNumRows(0);  
   
         // 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();  
 }  
   
   
 // Commit any pending editing.  
 void qsamplerChannelRoutingTable::flush (void)  
 {  
         if (QTable::isEditing())  
             QTable::endEdit(QTable::currEditRow(), QTable::currEditCol(), true, true);  
 }  
 #endif  
912    
913  ChannelRoutingModel::ChannelRoutingModel(QObject* parent) : QAbstractTableModel(parent), pDevice(NULL) {  ChannelRoutingModel::ChannelRoutingModel(QObject* parent) : QAbstractTableModel(parent), pDevice(NULL) {
914  }  }
# Line 1009  int ChannelRoutingModel::columnCount(con Line 921  int ChannelRoutingModel::columnCount(con
921      return 1;      return 1;
922  }  }
923    
924    Qt::ItemFlags ChannelRoutingModel::flags(const QModelIndex& /*index*/) const {
925        return Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled;
926    }
927    
928    bool ChannelRoutingModel::setData(const QModelIndex& index, const QVariant& value, int /*role*/) {
929        if (!index.isValid()) {
930            return false;
931        }
932    
933        routing[index.row()] = value.toInt();
934    
935        emit dataChanged(index, index);
936        return true;
937    }
938    
939  QVariant ChannelRoutingModel::data(const QModelIndex &index, int role) const {  QVariant ChannelRoutingModel::data(const QModelIndex &index, int role) const {
940      if (!index.isValid())      if (!index.isValid())
941          return QVariant();          return QVariant();
942      if (role != Qt::DisplayRole)      if (role != Qt::DisplayRole)
943          return QVariant();          return QVariant();
944        if (index.column() != 0)
945            return QVariant();
946    
947      ChannelRoutingItem item;      ChannelRoutingItem item;
948    
949      // The common device port item list.      // The common device port item list.
950      qsamplerDevicePortList& ports = pDevice->ports();      qsamplerDevicePortList& ports = pDevice->ports();
951      qsamplerDevicePort* pPort;          QListIterator<qsamplerDevicePort *> iter(ports);
952      for (pPort = ports.first(); pPort; pPort = ports.next()) {          while (iter.hasNext()) {
953                    qsamplerDevicePort *pPort = iter.next();
954          item.options.append(          item.options.append(
955              pDevice->deviceTypeName()              pDevice->deviceTypeName()
956              + ' ' + pDevice->driverName()              + ' ' + pDevice->driverName()
# Line 1028  QVariant ChannelRoutingModel::data(const Line 958  QVariant ChannelRoutingModel::data(const
958          );          );
959      }      }
960    
961      item.selection = routing[index.column()];      item.selection = routing[index.row()];
962    
963      return QVariant::fromValue(item);      return QVariant::fromValue(item);
964  }  }
# Line 1036  QVariant ChannelRoutingModel::data(const Line 966  QVariant ChannelRoutingModel::data(const
966  QVariant ChannelRoutingModel::headerData(int section, Qt::Orientation orientation, int role) const {  QVariant ChannelRoutingModel::headerData(int section, Qt::Orientation orientation, int role) const {
967      if (role != Qt::DisplayRole) return QVariant();      if (role != Qt::DisplayRole) return QVariant();
968    
969      if (orientation == Qt::Horizontal)      switch (orientation) {
970          return QObject::tr("Device Channel");          case Qt::Horizontal:
971                return UNICODE_RIGHT_ARROW + QObject::tr(" Device Channel");
972      if (orientation == Qt::Vertical)          case Qt::Vertical:
973          return QObject::tr("Sampler Channel Output ") +              return QObject::tr("Sampler Channel ") +
974                 QString(section);                     QString::number(section) + " " + UNICODE_RIGHT_ARROW;
975            default:
976      return QVariant();              return QVariant();
977        }
978  }  }
979    
980  void ChannelRoutingModel::refresh ( qsamplerDevice *pDevice,  void ChannelRoutingModel::refresh ( qsamplerDevice *pDevice,
# Line 1051  void ChannelRoutingModel::refresh ( qsam Line 982  void ChannelRoutingModel::refresh ( qsam
982  {  {
983      this->pDevice = pDevice;      this->pDevice = pDevice;
984      this->routing = routing;      this->routing = routing;
985        // inform the outer world (QTableView) that our data changed
986        QAbstractTableModel::reset();
987  }  }
988    
989    
990    //-------------------------------------------------------------------------
991    // ChannelRoutingDelegate - table cell renderer for audio routing
992    //
993    
994  ChannelRoutingDelegate::ChannelRoutingDelegate(QObject *parent) : QItemDelegate(parent) {  ChannelRoutingDelegate::ChannelRoutingDelegate(QObject *parent) : QItemDelegate(parent) {
995  }  }
996    
997  QWidget* ChannelRoutingDelegate::createEditor(QWidget *parent,  QWidget* ChannelRoutingDelegate::createEditor(QWidget *parent,
998          const QStyleOptionViewItem &/* option */,          const QStyleOptionViewItem & option ,
999          const QModelIndex& index) const          const QModelIndex& index) const
1000  {  {
1001        if (!index.isValid()) {
1002            return NULL;
1003        }
1004    
1005        if (index.column() != 0) {
1006            return NULL;
1007        }
1008    
1009      ChannelRoutingItem item = index.model()->data(index, Qt::DisplayRole).value<ChannelRoutingItem>();      ChannelRoutingItem item = index.model()->data(index, Qt::DisplayRole).value<ChannelRoutingItem>();
1010    
1011      QComboBox* editor = new QComboBox(parent);      QComboBox* pComboBox = new QComboBox(parent);
1012      editor->addItems(item.options);      pComboBox->addItems(item.options);
1013      editor->setCurrentIndex(item.selection);      pComboBox->setCurrentIndex(item.selection);
1014      editor->installEventFilter(const_cast<ChannelRoutingDelegate*>(this));      pComboBox->setEnabled(true);
1015      return editor;      pComboBox->setGeometry(option.rect);
1016        return pComboBox;
1017  }  }
1018    
1019  void ChannelRoutingDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const {  void ChannelRoutingDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const {
# Line 1078  void ChannelRoutingDelegate::setEditorDa Line 1022  void ChannelRoutingDelegate::setEditorDa
1022      comboBox->setCurrentIndex(item.selection);      comboBox->setCurrentIndex(item.selection);
1023  }  }
1024    
1025  void ChannelRoutingDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const {  void ChannelRoutingDelegate::setModelData(QWidget* editor, QAbstractItemModel* model, const QModelIndex& index) const {
1026      QComboBox* comboBox = static_cast<QComboBox*>(editor);      QComboBox* comboBox = static_cast<QComboBox*>(editor);
1027      model->setData(index, comboBox->currentIndex());      model->setData(index, comboBox->currentIndex());
1028  }  }
# Line 1089  void ChannelRoutingDelegate::updateEdito Line 1033  void ChannelRoutingDelegate::updateEdito
1033      editor->setGeometry(option.rect);      editor->setGeometry(option.rect);
1034  }  }
1035    
1036    // end of qsamplerChannel.cpp
   
 //-------------------------------------------------------------------------  
 // qsamplerChannelRoutingComboBox - Custom combo box for routing table.  
 //  
   
 #if 0  
 // Constructor.  
 qsamplerChannelRoutingComboBox::qsamplerChannelRoutingComboBox (  
         QTable *pTable, const QStringList& list, const QPixmap& pixmap )  
         : QTableItem(pTable, QTableItem::WhenCurrent, QString::null, pixmap),  
         m_list(list)  
 {  
         m_iCurrentItem = 0;  
 }  
   
 // Public accessors.  
 void qsamplerChannelRoutingComboBox::setCurrentItem ( int iCurrentItem )  
 {  
         m_iCurrentItem = iCurrentItem;  
   
         QTableItem::setText(m_list[iCurrentItem]);  
 }  
   
 int qsamplerChannelRoutingComboBox::currentItem (void) const  
 {  
         return m_iCurrentItem;  
 }  
   
 // Virtual implemetations.  
 QWidget *qsamplerChannelRoutingComboBox::createEditor (void) 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;  
 }  
   
 void qsamplerChannelRoutingComboBox::setContentFromEditor ( QWidget *pWidget )  
 {  
         if (pWidget->inherits("QComboBox")) {  
                 QComboBox *pComboBox = (QComboBox *) pWidget;  
                 m_iCurrentItem = pComboBox->currentItem();  
                 QTableItem::setText(pComboBox->currentText());  
         }  
         else QTableItem::setContentFromEditor(pWidget);  
 }  
   
 #endif  
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