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// qsamplerInstrumentList.cpp |
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// |
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/**************************************************************************** |
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Copyright (C) 2003-2007, 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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#include "qsamplerInstrumentForm.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 <QMessageBox> |
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#include <QMenu> |
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#include <QAction> |
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#include <QCursor> |
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#include <QFileInfo> |
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|
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// Needed for lroundf() |
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#include <math.h> |
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|
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#ifndef CONFIG_ROUND |
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static inline long lroundf ( float x ) |
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{ |
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if (x >= 0.0f) |
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return long(x + 0.5f); |
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else |
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return long(x - 0.5f); |
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} |
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#endif |
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|
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using namespace QSampler; |
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|
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|
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//------------------------------------------------------------------------- |
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// MidiInstrumentsModel - data model for MIDI prog mappings (used for QTableView) |
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// |
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|
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MidiInstrumentsModel::MidiInstrumentsModel(QObject* parent) : QAbstractTableModel(parent) { |
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m_iMidiMap = LSCP_MIDI_MAP_ALL; |
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} |
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|
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int MidiInstrumentsModel::rowCount(const QModelIndex& /*parent*/) const { |
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if (m_iMidiMap == LSCP_MIDI_MAP_ALL) { |
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int n = 0; |
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for (InstrumentsMap::const_iterator itMap = instruments.begin(); itMap != instruments.end(); ++itMap) |
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n += (*itMap).size(); |
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return n; |
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} |
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InstrumentsMap::const_iterator itMap = instruments.find(m_iMidiMap); |
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if (itMap == instruments.end()) return 0; |
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return (*itMap).size(); |
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} |
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|
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int MidiInstrumentsModel::columnCount(const QModelIndex& /*parent*/) const { |
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return 9; |
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} |
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|
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QVariant MidiInstrumentsModel::data(const QModelIndex &index, int role) const { |
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if (!index.isValid()) return QVariant(); |
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|
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const qsamplerInstrument* pInstr = NULL; |
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|
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if (m_iMidiMap == LSCP_MIDI_MAP_ALL) { |
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int n = 0; |
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for (InstrumentsMap::const_iterator itMap = instruments.begin(); itMap != instruments.end(); ++itMap) { |
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n += (*itMap).size(); |
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if (index.row() < n) |
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pInstr = &(*itMap)[index.row() + (*itMap).size() - n]; |
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} |
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} else { |
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// resolve MIDI instrument map |
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InstrumentsMap::const_iterator itMap = instruments.find(m_iMidiMap); |
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if (itMap == instruments.end()) return QVariant(); |
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// resolve instrument in that map |
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if (index.row() >= (*itMap).size()) return QVariant(); |
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pInstr = &(*itMap)[index.row()]; |
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} |
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|
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if (!pInstr) return QVariant(); |
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|
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if (role == Qt::UserRole) { |
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return QVariant::fromValue((void*)pInstr); |
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} |
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|
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if (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()); |
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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 QObject::tr("Persistent"); |
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case 2: return QObject::tr("On Demand Hold"); |
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case 1: return QObject::tr("On Demand"); |
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default: return QVariant(); |
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} |
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} |
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default: return QVariant(); |
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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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QVariant MidiInstrumentsModel::headerData(int section, Qt::Orientation orientation, int role) const { |
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if (orientation != Qt::Horizontal || role != Qt::DisplayRole) |
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return QVariant(); |
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|
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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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default: return QVariant(); |
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} |
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} |
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|
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qsamplerInstrument* MidiInstrumentsModel::addInstrument(int iMap, int iBank, int iProg) { |
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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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for (int i = 0; i < instruments[iMap].size(); i++) { |
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if ( |
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instruments[iMap][i].bank() == iBank && |
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instruments[iMap][i].prog() == iProg |
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) { |
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instruments[iMap].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 < instruments[iMap].size(); i++) |
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if ( |
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iBank > instruments[iMap][i].bank() || |
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( iBank == instruments[iMap][i].bank() && |
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iProg > instruments[iMap][i].prog() ) |
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) break; |
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|
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instruments[iMap].insert(i, qsamplerInstrument(iMap, iBank, iProg)); |
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qsamplerInstrument& instr = instruments[iMap][i]; |
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if (!instr.getInstrument()) |
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instruments[iMap].removeAt(i); |
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|
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return &instr; |
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} |
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|
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void MidiInstrumentsModel::removeInstrument(const qsamplerInstrument& instrument) { |
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const int iMap = instrument.map(); |
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const int iBank = instrument.bank(); |
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const int iProg = instrument.prog(); |
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for (int i = 0; i < instruments[iMap].size(); i++) { |
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if ( |
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instruments[iMap][i].bank() == iBank && |
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instruments[iMap][i].prog() == iProg |
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) { |
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instruments[iMap].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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// reposition the instrument in the model (called when map/bank/prg changed) |
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void MidiInstrumentsModel::resort(const qsamplerInstrument instrument) { |
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const int iMap = instrument.map(); |
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const int iBank = instrument.bank(); |
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const int iProg = instrument.prog(); |
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// remove given instrument from its current list |
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removeInstrument(instrument); |
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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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void MidiInstrumentsModel::setMidiMap(int iMidiMap) { |
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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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int MidiInstrumentsModel::midiMap() const { |
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return m_iMidiMap; |
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} |
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|
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void MidiInstrumentsModel::refresh() { |
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instruments.clear(); |
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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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// 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(tr("Could not get current list of MIDI instrument mappings.\n\nSorry.")); |
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} |
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|
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// inform the outer world (QTableView) that our data changed |
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QAbstractTableModel::reset(); |
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} |
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|
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|
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//------------------------------------------------------------------------- |
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// MidiInstrumentsDelegate - table cell renderer for MIDI prog mappings |
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// (doesn't actually do anything ATM, but is already there for a future |
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// cell editor widget implementation) |
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|
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MidiInstrumentsDelegate::MidiInstrumentsDelegate(QObject* parent) : QItemDelegate(parent) { |
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} |
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|
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QWidget* MidiInstrumentsDelegate::createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const { |
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return QItemDelegate::createEditor(parent, option, index); |
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//return new QLabel(index.model()->data(index, Qt::DisplayRole).toString(), parent); |
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} |
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|
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void MidiInstrumentsDelegate::setEditorData(QWidget* /*editor*/, const QModelIndex& /*index*/) const { |
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} |
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|
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void MidiInstrumentsDelegate::setModelData(QWidget* /*editor*/, QAbstractItemModel* /*model*/, const QModelIndex& /*index*/) const { |
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} |
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|
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void MidiInstrumentsDelegate::updateEditorGeometry(QWidget* editor, const QStyleOptionViewItem& option, const QModelIndex& index) const { |
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QItemDelegate::updateEditorGeometry(editor, option, index); |
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//if (editor) editor->setGeometry(option.rect); |
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} |
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|
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|
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// end of qsamplerInstrumentList.cpp |