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// qsamplerInstrumentForm.cpp |
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// |
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/**************************************************************************** |
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Copyright (C) 2003-2019, rncbc aka Rui Nuno Capela. All rights reserved. |
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Copyright (C) 2007, Christian Schoenebeck |
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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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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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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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#include "qsamplerAbout.h" |
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#include "qsamplerInstrumentForm.h" |
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#include "qsamplerOptions.h" |
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#include "qsamplerChannel.h" |
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#include "qsamplerMainForm.h" |
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#include <QMessageBox> |
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#include <QPushButton> |
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#include <QFileDialog> |
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// Needed for lroundf() |
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#include <math.h> |
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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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namespace QSampler { |
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//------------------------------------------------------------------------- |
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// QSampler::InstrumentForm -- Instrument map item form implementation. |
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// |
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InstrumentForm::InstrumentForm ( QWidget *pParent ) |
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: QDialog(pParent) |
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{ |
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m_ui.setupUi(this); |
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|
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// Initialize locals. |
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m_pInstrument = nullptr; |
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|
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m_iDirtySetup = 0; |
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m_iDirtyCount = 0; |
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m_iDirtyName = 0; |
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// Try to restore normal window positioning. |
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adjustSize(); |
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|
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QObject::connect(m_ui.MapComboBox, |
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SIGNAL(activated(int)), |
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SLOT(changed())); |
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QObject::connect(m_ui.BankSpinBox, |
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SIGNAL(valueChanged(int)), |
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SLOT(changed())); |
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QObject::connect(m_ui.ProgSpinBox, |
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SIGNAL(valueChanged(int)), |
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SLOT(changed())); |
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QObject::connect(m_ui.NameLineEdit, |
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SIGNAL(textChanged(const QString&)), |
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SLOT(nameChanged(const QString&))); |
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QObject::connect(m_ui.EngineNameComboBox, |
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SIGNAL(activated(int)), |
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SLOT(changed())); |
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QObject::connect(m_ui.InstrumentFileComboBox, |
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SIGNAL(activated(const QString&)), |
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SLOT(updateInstrumentName())); |
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QObject::connect(m_ui.InstrumentFileToolButton, |
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SIGNAL(clicked()), |
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SLOT(openInstrumentFile())); |
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QObject::connect(m_ui.InstrumentNrComboBox, |
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SIGNAL(activated(int)), |
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SLOT(instrumentNrChanged())); |
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QObject::connect(m_ui.VolumeSpinBox, |
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SIGNAL(valueChanged(int)), |
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SLOT(changed())); |
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QObject::connect(m_ui.LoadModeComboBox, |
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SIGNAL(activated(int)), |
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SLOT(changed())); |
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QObject::connect(m_ui.DialogButtonBox, |
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SIGNAL(accepted()), |
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SLOT(accept())); |
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QObject::connect(m_ui.DialogButtonBox, |
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SIGNAL(rejected()), |
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SLOT(reject())); |
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} |
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InstrumentForm::~InstrumentForm (void) |
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{ |
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} |
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// Channel dialog setup formal initializer. |
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void InstrumentForm::setup ( Instrument *pInstrument ) |
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{ |
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m_pInstrument = pInstrument; |
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m_iDirtySetup = 0; |
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m_iDirtyCount = 0; |
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m_iDirtyName = 0; |
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if (m_pInstrument == nullptr) |
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return; |
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// Check if we're up and connected. |
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MainForm* pMainForm = MainForm::getInstance(); |
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if (pMainForm == nullptr) |
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return; |
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if (pMainForm->client() == nullptr) |
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return; |
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Options *pOptions = pMainForm->options(); |
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if (pOptions == nullptr) |
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return; |
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// It can be a brand new channel, remember? |
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bool bNew = (m_pInstrument->bank() < 0 || m_pInstrument->prog() < 0); |
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if (!bNew) { |
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m_pInstrument->getInstrument(); |
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m_iDirtyName++; |
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} |
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// Avoid nested changes. |
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m_iDirtySetup++; |
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// Load combo box history... |
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pOptions->loadComboBoxHistory(m_ui.InstrumentFileComboBox); |
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|
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// Populate maps list. |
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m_ui.MapComboBox->clear(); |
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m_ui.MapComboBox->insertItems(0, Instrument::getMapNames()); |
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|
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// Populate Engines list. |
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const char **ppszEngines |
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= ::lscp_list_available_engines(pMainForm->client()); |
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if (ppszEngines) { |
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m_ui.EngineNameComboBox->clear(); |
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for (int iEngine = 0; ppszEngines[iEngine]; iEngine++) |
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m_ui.EngineNameComboBox->addItem(ppszEngines[iEngine]); |
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} |
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else pMainForm->appendMessagesClient("lscp_list_available_engines"); |
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// Read proper instrument information, |
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// and populate the instrument form fields. |
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// Instrument map name... |
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int iMap = (bNew ? pOptions->iMidiMap : m_pInstrument->map()); |
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if (iMap < 0) |
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iMap = 0; |
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const QString& sMapName = Instrument::getMapName(iMap); |
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if (!sMapName.isEmpty()) { |
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m_ui.MapComboBox->setCurrentIndex( |
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m_ui.MapComboBox->findText(sMapName, |
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Qt::MatchExactly | Qt::MatchCaseSensitive)); |
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} |
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// It might be no maps around... |
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bool bMapEnabled = (m_ui.MapComboBox->count() > 0); |
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m_ui.MapTextLabel->setEnabled(bMapEnabled); |
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m_ui.MapComboBox->setEnabled(bMapEnabled); |
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// Instrument bank/program... |
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int iBank = (bNew ? pOptions->iMidiBank : m_pInstrument->bank()); |
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int iProg = (bNew ? pOptions->iMidiProg : m_pInstrument->prog()) + 1; |
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if (bNew && iProg > 128) { |
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iProg = 1; |
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iBank++; |
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} |
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m_ui.BankSpinBox->setValue(iBank); |
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m_ui.ProgSpinBox->setValue(iProg); |
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// Instrument name... |
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m_ui.NameLineEdit->setText(m_pInstrument->name()); |
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// Engine name... |
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QString sEngineName = m_pInstrument->engineName(); |
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if (sEngineName.isEmpty() || bNew) |
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sEngineName = pOptions->sEngineName; |
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if (sEngineName.isEmpty()) |
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sEngineName = Channel::noEngineName(); |
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if (m_ui.EngineNameComboBox->findText(sEngineName, |
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Qt::MatchExactly | Qt::MatchCaseSensitive) < 0) { |
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m_ui.EngineNameComboBox->addItem(sEngineName); |
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} |
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m_ui.EngineNameComboBox->setCurrentIndex( |
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m_ui.EngineNameComboBox->findText(sEngineName, |
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Qt::MatchExactly | Qt::MatchCaseSensitive)); |
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// Instrument filename and index... |
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QString sInstrumentFile = m_pInstrument->instrumentFile(); |
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if (sInstrumentFile.isEmpty()) |
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sInstrumentFile = Channel::noInstrumentName(); |
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m_ui.InstrumentFileComboBox->setEditText(sInstrumentFile); |
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m_ui.InstrumentNrComboBox->clear(); |
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m_ui.InstrumentNrComboBox->insertItems(0, |
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Channel::getInstrumentList(sInstrumentFile, |
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pOptions->bInstrumentNames)); |
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m_ui.InstrumentNrComboBox->setCurrentIndex(m_pInstrument->instrumentNr()); |
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|
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// Instrument volume.... |
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int iVolume = (bNew ? pOptions->iVolume : |
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::lroundf(100.0f * m_pInstrument->volume())); |
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m_ui.VolumeSpinBox->setValue(iVolume); |
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// Instrument load mode... |
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int iLoadMode = (bNew ? pOptions->iLoadMode : |
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m_pInstrument->loadMode()); |
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m_ui.LoadModeComboBox->setCurrentIndex(iLoadMode); |
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|
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// Done. |
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m_iDirtySetup--; |
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stabilizeForm(); |
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} |
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// Special case for name change, |
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void InstrumentForm::nameChanged ( const QString& /* sName */ ) |
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{ |
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if (m_iDirtySetup > 0) |
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return; |
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m_iDirtyName++; |
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changed(); |
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} |
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// Browse and open an instrument file. |
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void InstrumentForm::openInstrumentFile (void) |
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{ |
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MainForm* pMainForm = MainForm::getInstance(); |
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if (pMainForm == nullptr) |
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return; |
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Options *pOptions = pMainForm->options(); |
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if (pOptions == nullptr) |
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return; |
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// FIXME: the instrument file filters should be restricted, |
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// depending on the current engine. |
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const QString& sEngineName = m_ui.EngineNameComboBox->currentText().toUpper(); |
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QStringList filters; |
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if (sEngineName.contains("GIG")) |
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filters << tr("GIG Instrument files") + " (*.gig *.dls)"; |
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if (sEngineName.contains("SFZ")) |
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filters << tr("SFZ Instrument files") + " (*.sfz)"; |
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if (sEngineName.contains("SF2")) |
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filters << tr("SF2 Instrument files") + " (*.sf2)"; |
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const QString& filter = filters.join(";;"); |
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QString sInstrumentFile = QFileDialog::getOpenFileName(this, |
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QSAMPLER_TITLE ": " + tr("Instrument files"), // Caption. |
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pOptions->sInstrumentDir, // Start here. |
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filter // File filter. |
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); |
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if (sInstrumentFile.isEmpty()) |
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return; |
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m_ui.InstrumentFileComboBox->setEditText(sInstrumentFile); |
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updateInstrumentName(); |
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} |
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// Refresh the actual instrument name. |
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void InstrumentForm::updateInstrumentName (void) |
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{ |
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MainForm* pMainForm = MainForm::getInstance(); |
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if (pMainForm == nullptr) |
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return; |
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Options *pOptions = pMainForm->options(); |
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if (pOptions == nullptr) |
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return; |
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// TODO: this better idea would be to use libgig |
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// to retrieve the REAL instrument names. |
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m_ui.InstrumentNrComboBox->clear(); |
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m_ui.InstrumentNrComboBox->insertItems(0, |
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Channel::getInstrumentList( |
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m_ui.InstrumentFileComboBox->currentText(), |
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pOptions->bInstrumentNames) |
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); |
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instrumentNrChanged(); |
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} |
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// Special case for instrumnet index change, |
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void InstrumentForm::instrumentNrChanged (void) |
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{ |
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if (m_iDirtySetup > 0) |
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return; |
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if (m_ui.NameLineEdit->text().isEmpty() || m_iDirtyName == 0) { |
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m_ui.NameLineEdit->setText(m_ui.InstrumentNrComboBox->currentText()); |
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m_iDirtyName = 0; |
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} |
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changed(); |
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} |
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// Accept settings (OK button slot). |
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void InstrumentForm::accept (void) |
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{ |
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if (m_pInstrument == nullptr) |
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return; |
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MainForm* pMainForm = MainForm::getInstance(); |
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if (pMainForm == nullptr) |
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return; |
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if (pMainForm->client() == nullptr) |
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return; |
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|
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Options *pOptions = pMainForm->options(); |
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if (pOptions == nullptr) |
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return; |
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if (m_iDirtyCount > 0) { |
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m_pInstrument->setMap(m_ui.MapComboBox->currentIndex()); |
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m_pInstrument->setBank(m_ui.BankSpinBox->value()); |
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m_pInstrument->setProg(m_ui.ProgSpinBox->value() - 1); |
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m_pInstrument->setName(m_ui.NameLineEdit->text()); |
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m_pInstrument->setEngineName(m_ui.EngineNameComboBox->currentText()); |
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m_pInstrument->setInstrumentFile(m_ui.InstrumentFileComboBox->currentText()); |
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m_pInstrument->setInstrumentNr(m_ui.InstrumentNrComboBox->currentIndex()); |
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m_pInstrument->setVolume(0.01f * float(m_ui.VolumeSpinBox->value())); |
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m_pInstrument->setLoadMode(m_ui.LoadModeComboBox->currentIndex()); |
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} |
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// Save default engine name, instrument directory and history... |
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pOptions->sInstrumentDir = QFileInfo( |
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m_ui.InstrumentFileComboBox->currentText()).dir().absolutePath(); |
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pOptions->sEngineName = m_ui.EngineNameComboBox->currentText(); |
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pOptions->iMidiMap = m_ui.MapComboBox->currentIndex(); |
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pOptions->iMidiBank = m_ui.BankSpinBox->value(); |
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pOptions->iMidiProg = m_ui.ProgSpinBox->value(); |
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|
|
pOptions->iVolume = m_ui.VolumeSpinBox->value(); |
360 |
|
|
pOptions->iLoadMode = m_ui.LoadModeComboBox->currentIndex(); |
361 |
|
|
pOptions->saveComboBoxHistory(m_ui.InstrumentFileComboBox); |
362 |
schoenebeck |
1461 |
|
363 |
|
|
// Just go with dialog acceptance. |
364 |
|
|
QDialog::accept(); |
365 |
|
|
} |
366 |
|
|
|
367 |
|
|
|
368 |
|
|
// Reject settings (Cancel button slot). |
369 |
|
|
void InstrumentForm::reject (void) |
370 |
|
|
{ |
371 |
|
|
bool bReject = true; |
372 |
|
|
|
373 |
|
|
// Check if there's any pending changes... |
374 |
capela |
2107 |
if (m_iDirtyCount > 0) { |
375 |
schoenebeck |
1461 |
switch (QMessageBox::warning(this, |
376 |
|
|
QSAMPLER_TITLE ": " + tr("Warning"), |
377 |
|
|
tr("Some channel settings have been changed.\n\n" |
378 |
|
|
"Do you want to apply the changes?"), |
379 |
capela |
1840 |
QMessageBox::Apply | |
380 |
|
|
QMessageBox::Discard | |
381 |
|
|
QMessageBox::Cancel)) { |
382 |
|
|
case QMessageBox::Apply: |
383 |
schoenebeck |
1461 |
accept(); |
384 |
|
|
return; |
385 |
capela |
1840 |
case QMessageBox::Discard: |
386 |
schoenebeck |
1461 |
break; |
387 |
|
|
default: // Cancel. |
388 |
|
|
bReject = false; |
389 |
|
|
break; |
390 |
|
|
} |
391 |
|
|
} |
392 |
|
|
|
393 |
|
|
if (bReject) |
394 |
|
|
QDialog::reject(); |
395 |
|
|
} |
396 |
|
|
|
397 |
|
|
|
398 |
|
|
// Dirty up settings. |
399 |
|
|
void InstrumentForm::changed (void) |
400 |
|
|
{ |
401 |
|
|
if (m_iDirtySetup > 0) |
402 |
|
|
return; |
403 |
|
|
|
404 |
|
|
m_iDirtyCount++; |
405 |
|
|
stabilizeForm(); |
406 |
|
|
} |
407 |
|
|
|
408 |
|
|
|
409 |
|
|
// Stabilize current form state. |
410 |
|
|
void InstrumentForm::stabilizeForm (void) |
411 |
|
|
{ |
412 |
capela |
2069 |
bool bValid = !m_ui.NameLineEdit->text().isEmpty() |
413 |
|
|
&& m_ui.EngineNameComboBox->currentIndex() >= 0 |
414 |
|
|
&& m_ui.EngineNameComboBox->currentText() != Channel::noEngineName(); |
415 |
schoenebeck |
1461 |
|
416 |
capela |
1509 |
const QString& sPath = m_ui.InstrumentFileComboBox->currentText(); |
417 |
schoenebeck |
1461 |
bValid = bValid && !sPath.isEmpty() && QFileInfo(sPath).exists(); |
418 |
|
|
|
419 |
capela |
2107 |
m_ui.DialogButtonBox->button( |
420 |
|
|
QDialogButtonBox::Ok)->setEnabled(m_iDirtyCount > 0 && bValid); |
421 |
schoenebeck |
1461 |
} |
422 |
|
|
|
423 |
|
|
} // namespace QSampler |
424 |
capela |
1464 |
|
425 |
|
|
|
426 |
|
|
// end of qsamplerInstrumentForm.cpp |