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

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revision 980 by capela, Sun Dec 17 22:29:29 2006 UTC revision 1486 by schoenebeck, Sat Nov 17 02:02:28 2007 UTC
# Line 1  Line 1 
1  // qsamplerDevice.cpp  // qsamplerDevice.cpp
2  //  //
3  /****************************************************************************  /****************************************************************************
4     Copyright (C) 2004-2006, 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 28  Line 29 
29  #include <qspinbox.h>  #include <qspinbox.h>
30  #include <qlineedit.h>  #include <qlineedit.h>
31    
32    using namespace QSampler;
33    
34  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
35  // qsamplerDeviceParam - MIDI/Audio Device parameter structure.  // qsamplerDeviceParam - MIDI/Audio Device parameter structure.
# Line 130  qsamplerDevice::qsamplerDevice ( const q Line 132  qsamplerDevice::qsamplerDevice ( const q
132  // Initializer.  // Initializer.
133  void qsamplerDevice::setDevice ( qsamplerDeviceType deviceType, int iDeviceID )  void qsamplerDevice::setDevice ( qsamplerDeviceType deviceType, int iDeviceID )
134  {  {
135          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
136          if (pMainForm == NULL)          if (pMainForm == NULL)
137                  return;                  return;
138          if (pMainForm->client() == NULL)          if (pMainForm->client() == NULL)
# Line 209  void qsamplerDevice::setDevice ( qsample Line 211  void qsamplerDevice::setDevice ( qsample
211  // Driver name initializer/settler.  // Driver name initializer/settler.
212  void qsamplerDevice::setDriver ( const QString& sDriverName )  void qsamplerDevice::setDriver ( const QString& sDriverName )
213  {  {
214          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
215          if (pMainForm == NULL)          if (pMainForm == NULL)
216                  return;                  return;
217          if (pMainForm->client() == NULL)          if (pMainForm->client() == NULL)
# Line 313  QString qsamplerDevice::deviceName (void Line 315  QString qsamplerDevice::deviceName (void
315  bool qsamplerDevice::setParam ( const QString& sParam,  bool qsamplerDevice::setParam ( const QString& sParam,
316          const QString& sValue )          const QString& sValue )
317  {  {
318          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
319          if (pMainForm == NULL)          if (pMainForm == NULL)
320                  return false;                  return false;
321          if (pMainForm->client() == NULL)          if (pMainForm->client() == NULL)
# Line 324  bool qsamplerDevice::setParam ( const QS Line 326  bool qsamplerDevice::setParam ( const QS
326    
327          // If the device already exists, things get immediate...          // If the device already exists, things get immediate...
328          int iRefresh = 0;          int iRefresh = 0;
329          if (m_iDeviceID >= 0) {          if (m_iDeviceID >= 0 && sValue != QString::null) {
330                  // Prepare parameter struct.                  // Prepare parameter struct.
331                  lscp_param_t param;                  lscp_param_t param;
332                  param.key   = (char *) sParam.latin1();                  param.key   = (char *) sParam.latin1();
# Line 383  qsamplerDevicePortList& qsamplerDevice:: Line 385  qsamplerDevicePortList& qsamplerDevice::
385  // Create a new device, as a copy of this current one.  // Create a new device, as a copy of this current one.
386  bool qsamplerDevice::createDevice (void)  bool qsamplerDevice::createDevice (void)
387  {  {
388          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
389          if (pMainForm == NULL)          if (pMainForm == NULL)
390                  return false;                  return false;
391          if (pMainForm->client() == NULL)          if (pMainForm->client() == NULL)
# Line 394  bool qsamplerDevice::createDevice (void) Line 396  bool qsamplerDevice::createDevice (void)
396          int iParam = 0;          int iParam = 0;
397          qsamplerDeviceParamMap::ConstIterator iter;          qsamplerDeviceParamMap::ConstIterator iter;
398          for (iter = m_params.begin(); iter != m_params.end(); ++iter) {          for (iter = m_params.begin(); iter != m_params.end(); ++iter) {
399                    if (iter.data().value == QString::null) continue;
400                  pParams[iParam].key   = (char *) iter.key().latin1();                  pParams[iParam].key   = (char *) iter.key().latin1();
401                  pParams[iParam].value = (char *) iter.data().value.latin1();                  pParams[iParam].value = (char *) iter.data().value.latin1();
402                  ++iParam;                  ++iParam;
# Line 438  bool qsamplerDevice::createDevice (void) Line 441  bool qsamplerDevice::createDevice (void)
441  // Destroy existing device.  // Destroy existing device.
442  bool qsamplerDevice::deleteDevice (void)  bool qsamplerDevice::deleteDevice (void)
443  {  {
444          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
445          if (pMainForm == NULL)          if (pMainForm == NULL)
446                  return false;                  return false;
447          if (pMainForm->client() == NULL)          if (pMainForm->client() == NULL)
# Line 539  int qsamplerDevice::refreshDepends ( con Line 542  int qsamplerDevice::refreshDepends ( con
542  // Refresh/set given parameter based on driver supplied dependencies.  // Refresh/set given parameter based on driver supplied dependencies.
543  int qsamplerDevice::refreshParam ( const QString& sParam )  int qsamplerDevice::refreshParam ( const QString& sParam )
544  {  {
545          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
546          if (pMainForm == NULL)          if (pMainForm == NULL)
547                  return 0;                  return 0;
548          if (pMainForm->client() == NULL)          if (pMainForm->client() == NULL)
# Line 588  int qsamplerDevice::refreshParam ( const Line 591  int qsamplerDevice::refreshParam ( const
591                  break;                  break;
592          }          }
593          if (pParamInfo) {          if (pParamInfo) {
594                  param = qsamplerDeviceParam(pParamInfo, QString(param.value));                  if (param.value != QString::null)
595                            param = qsamplerDeviceParam(pParamInfo, param.value);
596                    else
597                            param = qsamplerDeviceParam(pParamInfo, NULL);
598                  iRefresh++;                  iRefresh++;
599          }          }
600    
# Line 603  int qsamplerDevice::refreshParam ( const Line 609  int qsamplerDevice::refreshParam ( const
609  // Redirected messages output methods.  // Redirected messages output methods.
610  void qsamplerDevice::appendMessages( const QString& s ) const  void qsamplerDevice::appendMessages( const QString& s ) const
611  {  {
612          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
613          if (pMainForm)          if (pMainForm)
614                  pMainForm->appendMessages(deviceName() + ' ' + s);                  pMainForm->appendMessages(deviceName() + ' ' + s);
615  }  }
# Line 611  void qsamplerDevice::appendMessages( con Line 617  void qsamplerDevice::appendMessages( con
617  void qsamplerDevice::appendMessagesColor( const QString& s,  void qsamplerDevice::appendMessagesColor( const QString& s,
618          const QString& c ) const          const QString& c ) const
619  {  {
620          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
621          if (pMainForm)          if (pMainForm)
622                  pMainForm->appendMessagesColor(deviceName() + ' ' + s, c);                  pMainForm->appendMessagesColor(deviceName() + ' ' + s, c);
623  }  }
624    
625  void qsamplerDevice::appendMessagesText( const QString& s ) const  void qsamplerDevice::appendMessagesText( const QString& s ) const
626  {  {
627          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
628          if (pMainForm)          if (pMainForm)
629                  pMainForm->appendMessagesText(deviceName() + ' ' + s);                  pMainForm->appendMessagesText(deviceName() + ' ' + s);
630  }  }
631    
632  void qsamplerDevice::appendMessagesError( const QString& s ) const  void qsamplerDevice::appendMessagesError( const QString& s ) const
633  {  {
634          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
635          if (pMainForm)          if (pMainForm)
636                  pMainForm->appendMessagesError(deviceName() + "\n\n" + s);                  pMainForm->appendMessagesError(deviceName() + "\n\n" + s);
637  }  }
638    
639  void qsamplerDevice::appendMessagesClient( const QString& s ) const  void qsamplerDevice::appendMessagesClient( const QString& s ) const
640  {  {
641          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
642          if (pMainForm)          if (pMainForm)
643                  pMainForm->appendMessagesClient(deviceName() + ' ' + s);                  pMainForm->appendMessagesClient(deviceName() + ' ' + s);
644  }  }
# Line 702  qsamplerDevicePort::~qsamplerDevicePort Line 708  qsamplerDevicePort::~qsamplerDevicePort
708  // Initializer.  // Initializer.
709  void qsamplerDevicePort::setDevicePort ( int iPortID )  void qsamplerDevicePort::setDevicePort ( int iPortID )
710  {  {
711          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
712          if (pMainForm == NULL)          if (pMainForm == NULL)
713                  return;                  return;
714          if (pMainForm->client() == NULL)          if (pMainForm->client() == NULL)
# Line 791  const qsamplerDeviceParamMap& qsamplerDe Line 797  const qsamplerDeviceParamMap& qsamplerDe
797  bool qsamplerDevicePort::setParam ( const QString& sParam,  bool qsamplerDevicePort::setParam ( const QString& sParam,
798          const QString& sValue )          const QString& sValue )
799  {  {
800          qsamplerMainForm *pMainForm = qsamplerMainForm::getInstance();          MainForm *pMainForm = MainForm::getInstance();
801          if (pMainForm == NULL)          if (pMainForm == NULL)
802                  return false;                  return false;
803          if (pMainForm->client() == NULL)          if (pMainForm->client() == NULL)
# Line 841  bool qsamplerDevicePort::setParam ( cons Line 847  bool qsamplerDevicePort::setParam ( cons
847    
848    
849  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
850  // qsamplerDeviceItem - QListView device item.  // qsamplerDeviceItem - QTreeWidget device item.
851  //  //
852    
853  // Constructors.  // Constructors.
854  qsamplerDeviceItem::qsamplerDeviceItem ( QListView *pListView,  qsamplerDeviceItem::qsamplerDeviceItem ( QTreeWidget* pTreeWidget,
855          qsamplerDevice::qsamplerDeviceType deviceType )          qsamplerDevice::qsamplerDeviceType deviceType )
856          : QListViewItem(pListView), m_device(deviceType)          : QTreeWidgetItem(pTreeWidget, QSAMPLER_DEVICE_ITEM),
857          m_device(deviceType)
858  {  {
859          switch(m_device.deviceType()) {          switch(m_device.deviceType()) {
860          case qsamplerDevice::Audio:          case qsamplerDevice::Audio:
861                  QListViewItem::setPixmap(0, QPixmap::fromMimeSource("audio1.png"));                  setIcon(0, QPixmap(":/icons/audio1.png"));
862                  QListViewItem::setText(0, QObject::tr("Audio Devices"));                  setText(0, QObject::tr("Audio Devices"));
863                  break;                  break;
864          case qsamplerDevice::Midi:          case qsamplerDevice::Midi:
865                  QListViewItem::setPixmap(0, QPixmap::fromMimeSource("midi1.png"));                  setIcon(0, QPixmap(":/icons/midi1.png"));
866                  QListViewItem::setText(0, QObject::tr("MIDI Devices"));                  setText(0, QObject::tr("MIDI Devices"));
867                  break;                  break;
868          case qsamplerDevice::None:          case qsamplerDevice::None:
869                  break;                  break;
870          }          }
871  }  }
872    
873  qsamplerDeviceItem::qsamplerDeviceItem ( QListViewItem *pItem,  qsamplerDeviceItem::qsamplerDeviceItem ( QTreeWidgetItem* pItem,
874          qsamplerDevice::qsamplerDeviceType deviceType,          qsamplerDevice::qsamplerDeviceType deviceType,
875          int iDeviceID )          int iDeviceID )
876          : QListViewItem(pItem), m_device(deviceType, iDeviceID)          : QTreeWidgetItem(pItem, QSAMPLER_DEVICE_ITEM),
877          m_device(deviceType, iDeviceID)
878  {  {
879          switch(m_device.deviceType()) {          switch(m_device.deviceType()) {
880          case qsamplerDevice::Audio:          case qsamplerDevice::Audio:
881                  QListViewItem::setPixmap(0, QPixmap::fromMimeSource("audio2.png"));                  setIcon(0, QPixmap(":/icons/audio2.png"));
882                  break;                  break;
883          case qsamplerDevice::Midi:          case qsamplerDevice::Midi:
884                  QListViewItem::setPixmap(0, QPixmap::fromMimeSource("midi2.png"));                  setIcon(0, QPixmap(":/icons/midi2.png"));
885                  break;                  break;
886          case qsamplerDevice::None:          case qsamplerDevice::None:
887                  break;                  break;
888          }          }
889    
890          QListViewItem::setText(0, m_device.deviceName());          setText(0, m_device.deviceName());
891  }  }
892    
893  // Default destructor.  // Default destructor.
894  qsamplerDeviceItem::~qsamplerDeviceItem (void)  qsamplerDeviceItem::~qsamplerDeviceItem ()
895  {  {
896  }  }
897    
898  // Instance accessors.  // Instance accessors.
899  qsamplerDevice& qsamplerDeviceItem::device (void)  qsamplerDevice& qsamplerDeviceItem::device ()
900  {  {
901          return m_device;          return m_device;
902  }  }
903    
 // To virtually distinguish between list view items.  
 int qsamplerDeviceItem::rtti() const  
 {  
         return QSAMPLER_DEVICE_ITEM;  
 }  
   
   
904    
905  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
906  // qsamplerDeviceParamTable - Device parameter view table.  // AbstractDeviceParamModel - data model base class for device parameters
907  //  //
908    
909  // Constructor.  AbstractDeviceParamModel::AbstractDeviceParamModel(QObject* parent) : QAbstractTableModel(parent), bEditable(false) {
910  qsamplerDeviceParamTable::qsamplerDeviceParamTable ( QWidget *pParent,      params = NULL;
         const char *pszName )  
         : QTable(pParent, pszName)  
 {  
         // Set fixed number of columns.  
         QTable::setNumCols(3);  
         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("Parameter"));  
         pHeader->setLabel(1, tr("Description"));  
         pHeader->setLabel(2, tr("Value"));  
         // Set read-onlyness of each column  
         QTable::setColumnReadOnly(0, true);  
         QTable::setColumnReadOnly(1, true);  
 //  QTable::setColumnReadOnly(2, false); -- of course not.  
         QTable::setColumnStretchable(1, true);  
911  }  }
912    
913  // Default destructor.  int AbstractDeviceParamModel::rowCount(const QModelIndex& /*parent*/) const {
914  qsamplerDeviceParamTable::~qsamplerDeviceParamTable (void)      //std::cout << "model size=" << params.size() << "\n" << std::flush;
915  {      return (params) ? params->size() : 0;
916  }  }
917    
918    int AbstractDeviceParamModel::columnCount(const QModelIndex& /*parent*/) const {
919        return 3;
920    }
921    
922  // Common parameter table renderer.  Qt::ItemFlags AbstractDeviceParamModel::flags(const QModelIndex& /*index*/) const {
923  void qsamplerDeviceParamTable::refresh ( const qsamplerDeviceParamMap& params,      return Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled;
924          bool bEditable )  }
 {  
         // Always (re)start it empty.  
         QTable::setUpdatesEnabled(false);  
         QTable::setNumRows(0);  
925    
926          // Fill the parameter table...  QVariant AbstractDeviceParamModel::data(const QModelIndex &index, int role) const {
927          QTable::insertRows(0, params.count());      if (!index.isValid()) {
928          int iRow = 0;          //std::cout << "inavlid device model index\n" << std::flush;
929          qsamplerDeviceParamMap::ConstIterator iter;          return QVariant();
930          for (iter = params.begin(); iter != params.end(); ++iter) {      }
931                  const qsamplerDeviceParam& param = iter.data();      if (role != Qt::DisplayRole) {
932                  bool bEnabled = (bEditable || !param.fix);          //std::cout << "inavlid display role\n" << std::flush;
933                  QTable::setText(iRow, 0, iter.key());          return QVariant();
934                  QTable::setText(iRow, 1, param.description);      }
935                  if (param.type == LSCP_TYPE_BOOL) {  
936                          QStringList opts;      DeviceParameterRow item;
937                          opts.append(tr("false"));      item.name  = params->keys()[index.row()];
938                          opts.append(tr("true"));      item.param = (*params)[item.name];
939                          QComboTableItem *pComboItem = new QComboTableItem(this, opts);  
940                          pComboItem->setCurrentItem(param.value.lower() == "true" ? 1 : 0);      //std::cout << "item["<<index.row()<<"]=[" << item.name.toLatin1().data() << "]\n" << std::flush;
941                          pComboItem->setEnabled(bEnabled);  
942                          QTable::setItem(iRow, 2, pComboItem);      return QVariant::fromValue(item);
943                  } else if (param.possibilities.count() > 0 && bEnabled) {  }
944                          QStringList opts = param.possibilities;  
945                          if (param.multiplicity)  QVariant AbstractDeviceParamModel::headerData(int section, Qt::Orientation orientation, int role) const {
946                                  opts.prepend(tr("(none)"));      if (role != Qt::DisplayRole) return QVariant();
947                          QComboTableItem *pComboItem = new QComboTableItem(this, opts);  
948                          if (param.value.isEmpty())      if (orientation == Qt::Horizontal) {
949                                  pComboItem->setCurrentItem(0);          switch (section) {
950                          else              case 0:  return tr("Parameter");
951                                  pComboItem->setCurrentItem(param.value);              case 1:  return tr("Value");
952                          pComboItem->setEnabled(bEnabled);              case 2:  return tr("Description");
953                          QTable::setItem(iRow, 2, pComboItem);              default: return QVariant();
954                  } else if (param.type == LSCP_TYPE_INT && bEnabled          }
955                                  && !param.range_min.isEmpty()      }
                                 && !param.range_max.isEmpty()) {  
                         qsamplerDeviceParamTableSpinBox *pSpinItem =  
                                 new qsamplerDeviceParamTableSpinBox(this,  
                                         bEnabled ? QTableItem::OnTyping : QTableItem::Never,  
                                         param.value);  
                         pSpinItem->setMinValue(param.range_min.toInt());  
                         pSpinItem->setMaxValue(param.range_max.toInt());  
                         QTable::setItem(iRow, 2, pSpinItem);  
                 } else {  
                         qsamplerDeviceParamTableEditBox *pEditItem =  
                                 new qsamplerDeviceParamTableEditBox(this,  
                                         bEnabled ? QTableItem::OnTyping : QTableItem::Never,  
                                         param.value);  
                         QTable::setItem(iRow, 2, pEditItem);  
                 }  
                 ++iRow;  
         }  
956    
957          // Adjust optimal column widths.      return QVariant();
958          QTable::adjustColumn(0);  }
959          QTable::adjustColumn(2);  
960    void AbstractDeviceParamModel::refresh(const qsamplerDeviceParamMap* params, bool bEditable) {
961        this->params    = params;
962        this->bEditable = bEditable;
963        // inform the outer world (QTableView) that our data changed
964        QAbstractTableModel::reset();
965    }
966    
967          QTable::setUpdatesEnabled(true);  void AbstractDeviceParamModel::clear() {
968          QTable::updateContents();      params = NULL;
969        // inform the outer world (QTableView) that our data changed
970        QAbstractTableModel::reset();
971  }  }
972    
973    
974  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
975  // qsamplerDeviceParamTableSpinBox - Custom spin box for parameter table.  // DeviceParamModel - data model for device parameters (used for QTableView)
976  //  //
977    
978  // Constructor.  DeviceParamModel::DeviceParamModel(QObject* parent) : AbstractDeviceParamModel(parent) {
979  qsamplerDeviceParamTableSpinBox::qsamplerDeviceParamTableSpinBox (      device = NULL;
         QTable *pTable, EditType editType, const QString& sText )  
         : QTableItem(pTable, editType, sText)  
 {  
         m_iValue = sText.toInt();  
         m_iMinValue = m_iMaxValue = 0;  
980  }  }
981    
982  // Public accessors.  bool DeviceParamModel::setData(const QModelIndex& index, const QVariant& value, int /*role*/) {
983  void qsamplerDeviceParamTableSpinBox::setValue ( int iValue )      if (!index.isValid()) {
984  {          return false;
985          m_iValue = iValue;      }
986          QTableItem::setText(QString::number(m_iValue));      QString key = params->keys()[index.row()];
987        //params[key].value = value.toString();
988        device->setParam(key, value.toString());
989        emit dataChanged(index, index);
990        return true;
991  }  }
992    
993  void qsamplerDeviceParamTableSpinBox::setMinValue ( int iMinValue )  void DeviceParamModel::refresh(qsamplerDevice* pDevice, bool bEditable) {
994  {      device = pDevice;
995          m_iMinValue = iMinValue;      AbstractDeviceParamModel::refresh(&pDevice->params(), bEditable);
996  }  }
997    
998  void qsamplerDeviceParamTableSpinBox::setMaxValue ( int iMaxValue )  void DeviceParamModel::clear() {
999  {      AbstractDeviceParamModel::clear();
1000          m_iMaxValue = iMaxValue;      device = NULL;
1001  }  }
1002    
1003  // Virtual implemetations.  
1004  QWidget *qsamplerDeviceParamTableSpinBox::createEditor (void) const  //-------------------------------------------------------------------------
1005  {  // PortParamModel - data model for port parameters (used for QTableView)
1006          QSpinBox *pSpinBox = new QSpinBox(QTableItem::table()->viewport());  //
1007          QObject::connect(pSpinBox, SIGNAL(valueChanged(int)),  
1008                  QTableItem::table(), SLOT(doValueChanged()));  PortParamModel::PortParamModel(QObject* parent) : AbstractDeviceParamModel(parent) {
1009          if (m_iValue >= m_iMinValue && m_iMaxValue >= m_iValue) {      port = NULL;
                 pSpinBox->setMinValue(m_iMinValue);  
                 pSpinBox->setMaxValue(m_iMaxValue);  
         }  
         pSpinBox->setValue(m_iValue);  
         return pSpinBox;  
1010  }  }
1011    
1012  void qsamplerDeviceParamTableSpinBox::setContentFromEditor ( QWidget *pWidget )  bool PortParamModel::setData(const QModelIndex& index, const QVariant& value, int /*role*/) {
1013  {      if (!index.isValid()) {
1014          if (pWidget->inherits("QSpinBox"))          return false;
1015                  QTableItem::setText(QString::number(((QSpinBox *) pWidget)->value()));      }
1016          else      QString key = params->keys()[index.row()];
1017                  QTableItem::setContentFromEditor(pWidget);      //params[key].value = value.toString();
1018        port->setParam(key, value.toString());
1019        emit dataChanged(index, index);
1020        return true;
1021    }
1022    
1023    void PortParamModel::refresh(qsamplerDevicePort* pPort, bool bEditable) {
1024        port = pPort;
1025        AbstractDeviceParamModel::refresh(&pPort->params(), bEditable);
1026    }
1027    
1028    void PortParamModel::clear() {
1029        AbstractDeviceParamModel::clear();
1030        port = NULL;
1031  }  }
1032    
1033    
1034  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
1035  // qsamplerDeviceParamTableEditBox - Custom edit box for parameter table.  // DeviceParamDelegate - table cell renderer for device/port parameters
1036  //  //
1037    
1038  // Constructor.  DeviceParamDelegate::DeviceParamDelegate(QObject *parent) : QItemDelegate(parent) {
 qsamplerDeviceParamTableEditBox::qsamplerDeviceParamTableEditBox (  
         QTable *pTable, EditType editType, const QString& sText )  
         : QTableItem(pTable, editType, sText)  
 {  
1039  }  }
1040    
1041  // Virtual implemetations.  QWidget* DeviceParamDelegate::createEditor(QWidget *parent,
1042  QWidget *qsamplerDeviceParamTableEditBox::createEditor (void) const          const QStyleOptionViewItem &/* option */,
1043  {          const QModelIndex& index) const
1044          QLineEdit *pEditBox = new QLineEdit(QTableItem::table()->viewport());  {
1045          QObject::connect(pEditBox, SIGNAL(returnPressed()),      if (!index.isValid()) {
1046                  QTableItem::table(), SLOT(doValueChanged()));          return NULL;
1047          pEditBox->setText(QTableItem::text());      }
1048          return pEditBox;  
1049        DeviceParameterRow r = index.model()->data(index, Qt::DisplayRole).value<DeviceParameterRow>();
1050    
1051        const bool bEnabled = (/*index.model()->bEditable ||*/ !r.param.fix);
1052    
1053        switch (index.column()) {
1054            case 0:
1055                return new QLabel(r.name, parent);
1056            case 1: {
1057                if (r.param.type == LSCP_TYPE_BOOL) {
1058                    QCheckBox* pCheckBox = new QCheckBox(parent);
1059                    pCheckBox->setChecked(r.param.value.lower() == "true");
1060                    pCheckBox->setEnabled(bEnabled);
1061                    return pCheckBox;
1062                } else if (r.param.possibilities.count() > 0) {
1063                    QStringList opts = r.param.possibilities;
1064                    if (r.param.multiplicity)
1065                        opts.prepend(tr("(none)"));
1066                    QComboBox* pComboBox = new QComboBox(parent);
1067                    pComboBox->addItems(opts);
1068                    if (r.param.value.isEmpty())
1069                        pComboBox->setCurrentIndex(0);
1070                    else
1071                        pComboBox->setCurrentIndex(pComboBox->findText(r.param.value));
1072                    pComboBox->setEnabled(bEnabled);
1073                    return pComboBox;
1074                } else if (r.param.type == LSCP_TYPE_INT
1075                           && !r.param.range_min.isEmpty()
1076                           && !r.param.range_max.isEmpty()) {
1077                    QSpinBox* pSpinBox = new QSpinBox(parent);
1078                    pSpinBox->setValue(r.param.value.toInt());
1079                    pSpinBox->setMinimum(r.param.range_min.toInt());
1080                    pSpinBox->setMaximum(r.param.range_max.toInt());
1081                    pSpinBox->setEnabled(bEnabled);
1082                    return pSpinBox;
1083                } else {
1084                    QLineEdit* pLineEdit = new QLineEdit(r.param.value, parent);
1085                    pLineEdit->setEnabled(bEnabled);
1086                    return pLineEdit;
1087                }
1088            }
1089            case 2:
1090                return new QLabel(r.param.description, parent);
1091            default:
1092                return NULL;
1093        }
1094    }
1095    
1096    void DeviceParamDelegate::setEditorData(QWidget* /*editor*/, const QModelIndex& /*index*/) const {
1097        // unused, since we set the editor data already in createEditor()
1098    }
1099    
1100    void DeviceParamDelegate::setModelData(QWidget* editor, QAbstractItemModel* model, const QModelIndex& index) const {
1101        if (index.column() == 1) {
1102            DeviceParameterRow r = index.model()->data(index, Qt::DisplayRole).value<DeviceParameterRow>();
1103            if (r.param.type == LSCP_TYPE_BOOL) {
1104                QCheckBox* pCheckBox = static_cast<QCheckBox*>(editor);
1105                model->setData(index, QVariant(pCheckBox->checkState() == Qt::Checked));
1106            } else if (r.param.possibilities.count() > 0) {
1107                QComboBox* pComboBox = static_cast<QComboBox*>(editor);
1108                model->setData(index, pComboBox->currentText());
1109            } else if (r.param.type == LSCP_TYPE_INT) {
1110                QSpinBox* pSpinBox = static_cast<QSpinBox*>(editor);
1111                model->setData(index, pSpinBox->value());
1112            } else {
1113                QLineEdit* pLineEdit = static_cast<QLineEdit*>(editor);
1114                model->setData(index, pLineEdit->text());
1115            }
1116        }
1117  }  }
1118    
1119  void qsamplerDeviceParamTableEditBox::setContentFromEditor ( QWidget *pWidget )  void DeviceParamDelegate::updateEditorGeometry(QWidget* editor,
1120            const QStyleOptionViewItem &option, const QModelIndex &/* index */) const
1121  {  {
1122          if (pWidget->inherits("QLineEdit"))      if (editor) editor->setGeometry(option.rect);
                 QTableItem::setText(((QLineEdit *) pWidget)->text());  
         else  
                 QTableItem::setContentFromEditor(pWidget);  
1123  }  }
1124    
   
1125  // end of qsamplerDevice.cpp  // end of qsamplerDevice.cpp
   
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