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// qsamplerInstrumentList.cpp |
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// |
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/**************************************************************************** |
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Copyright (C) 2003-2010, rncbc aka Rui Nuno Capela. All rights reserved. |
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Copyright (C) 2007, Christian Schoenebeck |
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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 "qsamplerInstrumentList.h" |
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|
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#include "qsamplerInstrument.h" |
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|
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#include "qsamplerOptions.h" |
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#include "qsamplerMainForm.h" |
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|
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#include <QApplication> |
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#include <QCursor> |
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|
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|
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namespace QSampler { |
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|
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//------------------------------------------------------------------------- |
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// QSampler::InstrumentListModel - data model for MIDI prog mappings |
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// |
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|
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InstrumentListModel::InstrumentListModel ( QObject *pParent ) |
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: QAbstractItemModel(pParent) |
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{ |
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m_iMidiMap = LSCP_MIDI_MAP_ALL; |
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|
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QAbstractItemModel::reset(); |
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} |
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|
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InstrumentListModel::~InstrumentListModel (void) |
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{ |
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clear(); |
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} |
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|
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|
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int InstrumentListModel::rowCount ( const QModelIndex& /*parent*/) const |
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{ |
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int nrows = 0; |
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|
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if (m_iMidiMap == LSCP_MIDI_MAP_ALL) { |
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InstrumentMap::const_iterator itMap = m_instruments.constBegin(); |
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for ( ; itMap != m_instruments.constEnd(); ++itMap) |
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nrows += (*itMap).size(); |
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} else { |
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InstrumentMap::const_iterator itMap = m_instruments.find(m_iMidiMap); |
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if (itMap != m_instruments.constEnd()) |
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nrows += (*itMap).size(); |
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} |
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|
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return nrows; |
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} |
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|
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|
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int InstrumentListModel::columnCount ( const QModelIndex& /*parent*/) const |
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{ |
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return 9; |
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} |
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|
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|
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QVariant InstrumentListModel::data ( |
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const QModelIndex &index, int role ) const |
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{ |
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if (!index.isValid()) |
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return QVariant(); |
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|
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const Instrument *pInstr |
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= static_cast<Instrument *> (index.internalPointer()); |
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|
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if (pInstr && role == Qt::DisplayRole) { |
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switch (index.column()) { |
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case 0: return pInstr->name(); |
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case 1: return QVariant::fromValue(pInstr->map()); |
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case 2: return QVariant::fromValue(pInstr->bank()); |
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case 3: return QVariant::fromValue(pInstr->prog() + 1); |
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case 4: return pInstr->engineName(); |
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case 5: return pInstr->instrumentFile(); |
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case 6: return QVariant::fromValue(pInstr->instrumentNr()); |
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case 7: return QString::number(pInstr->volume() * 100.0) + " %"; |
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case 8: { |
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switch (pInstr->loadMode()) { |
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case 3: return tr("Persistent"); |
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case 2: return tr("On Demand Hold"); |
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case 1: return tr("On Demand"); |
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} |
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} |
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default: |
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break; |
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} |
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} |
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|
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return QVariant(); |
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} |
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|
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|
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QModelIndex InstrumentListModel::index ( |
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int row, int col, const QModelIndex& /*parent*/ ) const |
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{ |
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const Instrument *pInstr = NULL; |
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|
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if (m_iMidiMap == LSCP_MIDI_MAP_ALL) { |
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int nrows = 0; |
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InstrumentMap::const_iterator itMap = m_instruments.constBegin(); |
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for ( ; itMap != m_instruments.constEnd(); ++itMap) { |
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const InstrumentList& list = *itMap; |
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nrows += list.size(); |
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if (row < nrows) { |
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pInstr = list.at(row + list.size() - nrows); |
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break; |
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} |
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} |
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} else { |
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// Resolve MIDI instrument map... |
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InstrumentMap::const_iterator itMap = m_instruments.find(m_iMidiMap); |
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if (itMap != m_instruments.constEnd()) { |
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const InstrumentList& list = *itMap; |
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// resolve instrument in that map |
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if (row < list.size()) |
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pInstr = list.at(row); |
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} |
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} |
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|
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if (pInstr) |
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return createIndex(row, col, (void *) pInstr); |
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else |
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return QModelIndex(); |
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} |
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|
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|
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QModelIndex InstrumentListModel::parent ( const QModelIndex& child ) const |
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{ |
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return QModelIndex(); |
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} |
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|
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|
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QVariant InstrumentListModel::headerData ( |
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int section, Qt::Orientation orientation, int role ) const |
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{ |
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if (orientation == Qt::Horizontal && role == Qt::DisplayRole) { |
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switch (section) { |
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case 0: return tr("Name"); |
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case 1: return tr("Map"); |
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case 2: return tr("Bank"); |
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case 3: return tr("Prog"); |
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case 4: return tr("Engine"); |
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case 5: return tr("File"); |
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case 6: return tr("Nr"); |
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case 7: return tr("Vol"); |
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case 8: return tr("Mode"); |
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} |
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} |
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|
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return QAbstractItemModel::headerData(section, orientation, role); |
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} |
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|
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|
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void InstrumentListModel::setMidiMap ( int iMidiMap ) |
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{ |
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if (iMidiMap < 0) |
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iMidiMap = LSCP_MIDI_MAP_ALL; |
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|
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m_iMidiMap = iMidiMap; |
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} |
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|
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|
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int InstrumentListModel::midiMap (void) const |
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{ |
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return m_iMidiMap; |
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} |
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|
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|
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const Instrument *InstrumentListModel::addInstrument ( |
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int iMap, int iBank, int iProg ) |
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{ |
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// Check it there's already one instrument item |
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// with the very same key (bank, program); |
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// if yes, just remove it without prejudice... |
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InstrumentList& list = m_instruments[iMap]; |
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for (int i = 0; i < list.size(); ++i) { |
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const Instrument *pInstr = list.at(i); |
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if (pInstr->bank() == iBank && pInstr->prog() == iProg) { |
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delete pInstr; |
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list.removeAt(i); |
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break; |
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} |
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} |
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|
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// Resolve the appropriate place, we keep the list sorted that way... |
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int i = 0; |
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for ( ; i < list.size(); ++i) { |
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const Instrument *pInstr = list.at(i); |
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if (iBank < pInstr->bank() |
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|| (iBank == pInstr->bank() && iProg < pInstr->prog())) { |
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break; |
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} |
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} |
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|
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Instrument *pInstr = new Instrument(iMap, iBank, iProg); |
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if (pInstr->getInstrument()) { |
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list.insert(i, pInstr); |
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} else { |
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delete pInstr; |
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pInstr = NULL; |
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} |
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|
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return pInstr; |
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} |
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|
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|
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void InstrumentListModel::removeInstrument ( const Instrument *pInstrument ) |
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{ |
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const int iMap = pInstrument->map(); |
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const int iBank = pInstrument->bank(); |
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const int iProg = pInstrument->prog(); |
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|
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if (m_instruments.contains(iMap)) { |
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InstrumentList& list = m_instruments[iMap]; |
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for (int i = 0; i < list.size(); ++i) { |
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const Instrument *pInstr = list.at(i); |
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if (pInstr->bank() == iBank && pInstr->prog() == iProg) { |
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delete pInstr; |
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list.removeAt(i); |
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break; |
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} |
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} |
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} |
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} |
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|
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|
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// Reposition the instrument in the model (called when map/bank/prg changed) |
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void InstrumentListModel::updateInstrument ( const Instrument *pInstrument ) |
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{ |
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const int iMap = pInstrument->map(); |
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const int iBank = pInstrument->bank(); |
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const int iProg = pInstrument->prog(); |
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|
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// Remove given instrument from its current list... |
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removeInstrument(pInstrument); |
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|
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// Re-add the instrument... |
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addInstrument(iMap, iBank, iProg); |
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} |
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|
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|
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void InstrumentListModel::refresh (void) |
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{ |
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MainForm *pMainForm = MainForm::getInstance(); |
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if (pMainForm == NULL) |
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return; |
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if (pMainForm->client() == NULL) |
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return; |
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|
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QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); |
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|
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clear(); |
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// Load the whole bunch of instrument items... |
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lscp_midi_instrument_t *pInstrs |
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= ::lscp_list_midi_instruments(pMainForm->client(), m_iMidiMap); |
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for (int iInstr = 0; pInstrs && pInstrs[iInstr].map >= 0; ++iInstr) { |
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const int iMap = pInstrs[iInstr].map; |
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const int iBank = pInstrs[iInstr].bank; |
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const int iProg = pInstrs[iInstr].prog; |
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addInstrument(iMap, iBank, iProg); |
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// Try to keep it snappy :) |
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QApplication::processEvents(QEventLoop::ExcludeUserInputEvents); |
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} |
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|
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QApplication::restoreOverrideCursor(); |
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|
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if (pInstrs == NULL && ::lscp_client_get_errno(pMainForm->client())) { |
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pMainForm->appendMessagesClient("lscp_list_midi_instruments"); |
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pMainForm->appendMessagesError( |
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tr("Could not get current list of MIDI instrument mappings.\n\nSorry.")); |
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} |
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} |
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|
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void InstrumentListModel::beginReset (void) |
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{ |
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#if QT_VERSION >= 0x040600 |
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QAbstractItemModel::beginResetModel(); |
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#endif |
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} |
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|
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void InstrumentListModel::endReset (void) |
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{ |
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#if QT_VERSION >= 0x040600 |
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QAbstractItemModel::endResetModel(); |
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#else |
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QAbstractItemModel::reset(); |
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#endif |
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} |
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|
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|
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// Map clear. |
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void InstrumentListModel::clear (void) |
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{ |
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InstrumentMap::iterator itMap = m_instruments.begin(); |
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for ( ; itMap != m_instruments.end(); ++itMap) { |
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InstrumentList& list = itMap.value(); |
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qDeleteAll(list); |
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list.clear(); |
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} |
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|
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m_instruments.clear(); |
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} |
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|
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|
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//------------------------------------------------------------------------- |
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// QSampler::InstrumentListView - list view for MIDI prog mappings |
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// |
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|
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// Constructor. |
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InstrumentListView::InstrumentListView ( QWidget *pParent ) |
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: QTreeView(pParent) |
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{ |
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m_pListModel = new InstrumentListModel(this); |
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|
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QTreeView::setModel(m_pListModel); |
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} |
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|
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|
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// Destructor. |
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InstrumentListView::~InstrumentListView (void) |
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{ |
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delete m_pListModel; |
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} |
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|
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|
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void InstrumentListView::setMidiMap ( int iMidiMap ) |
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{ |
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m_pListModel->setMidiMap(iMidiMap); |
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} |
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|
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|
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int InstrumentListView::midiMap (void) const |
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{ |
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return m_pListModel->midiMap(); |
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} |
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|
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|
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const Instrument *InstrumentListView::addInstrument ( |
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int iMap, int iBank, int iProg ) |
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{ |
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m_pListModel->beginReset(); |
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const Instrument *pInstrument |
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= m_pListModel->addInstrument(iMap, iBank, iProg); |
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m_pListModel->endReset(); |
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|
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return pInstrument; |
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} |
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|
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|
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void InstrumentListView::removeInstrument ( const Instrument *pInstrument ) |
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{ |
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m_pListModel->beginReset(); |
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m_pListModel->removeInstrument(pInstrument); |
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m_pListModel->endReset(); |
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} |
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|
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|
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// Reposition the instrument in the model (called when map/bank/prg changed) |
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void InstrumentListView::updateInstrument ( const Instrument *pInstrument ) |
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{ |
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m_pListModel->beginReset(); |
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m_pListModel->updateInstrument(pInstrument); |
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m_pListModel->endReset();} |
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|
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|
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// Refreshener. |
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void InstrumentListView::refresh (void) |
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{ |
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m_pListModel->beginReset(); |
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m_pListModel->refresh(); |
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m_pListModel->endReset(); |
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} |
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|
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|
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} // namespace QSampler |
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|
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|
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// end of qsamplerInstrumentList.cpp |
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