Chris@58: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: /*
Chris@59:     Sonic Visualiser
Chris@59:     An audio file viewer and annotation editor.
Chris@59:     Centre for Digital Music, Queen Mary, University of London.
Chris@59:     This file copyright 2006 Chris Cannam.
Chris@0:     
Chris@59:     This program is free software; you can redistribute it and/or
Chris@59:     modify it under the terms of the GNU General Public License as
Chris@59:     published by the Free Software Foundation; either version 2 of the
Chris@59:     License, or (at your option) any later version.  See the file
Chris@59:     COPYING included with this distribution for more information.
Chris@0: */
Chris@0: 
Chris@0: #include "PropertyBox.h"
Chris@63: #include "PluginParameterDialog.h"
Chris@0: 
Chris@0: #include "base/PropertyContainer.h"
Chris@33: #include "base/PlayParameters.h"
Chris@128: #include "layer/Layer.h"
Chris@100: #include "base/UnitDatabase.h"
Chris@0: 
Chris@63: #include "plugin/RealTimePluginFactory.h"
Chris@63: #include "plugin/RealTimePluginInstance.h"
Chris@71: #include "plugin/PluginXml.h"
Chris@63: 
Chris@0: #include "AudioDial.h"
Chris@33: #include "LEDButton.h"
Chris@0: 
Chris@0: #include <QGridLayout>
Chris@0: #include <QHBoxLayout>
Chris@33: #include <QVBoxLayout>
Chris@0: #include <QCheckBox>
Chris@0: #include <QComboBox>
Chris@63: #include <QPushButton>
Chris@0: #include <QLabel>
Chris@33: #include <QFrame>
Chris@0: 
Chris@0: #include <cassert>
Chris@0: #include <iostream>
Martin@46: #include <cmath>
Chris@0: 
Chris@0: //#define DEBUG_PROPERTY_BOX 1
Chris@0: 
Chris@0: PropertyBox::PropertyBox(PropertyContainer *container) :
Chris@0:     m_container(container)
Chris@0: {
Chris@0: #ifdef DEBUG_PROPERTY_BOX
Chris@0:     std::cerr << "PropertyBox[" << this << "(\"" <<
Chris@0: 	container->getPropertyContainerName().toStdString() << "\")]::PropertyBox" << std::endl;
Chris@0: #endif
Chris@0: 
Chris@34:     m_mainBox = new QVBoxLayout;
Chris@34:     setLayout(m_mainBox);
Chris@33: 
Chris@107: //    m_nameWidget = new QLabel;
Chris@107: //    m_mainBox->addWidget(m_nameWidget);
Chris@107: //    m_nameWidget->setText(container->objectName());
Chris@107: 
Chris@34:     m_mainWidget = new QWidget;
Chris@34:     m_mainBox->addWidget(m_mainWidget);
Chris@107:     m_mainBox->insertStretch(2, 10);
Chris@33: 
Chris@34:     m_viewPlayFrame = 0;
Chris@34:     populateViewPlayFrame();
Chris@33: 
Chris@0:     m_layout = new QGridLayout;
Chris@34:     m_layout->setMargin(0);
Chris@33:     m_mainWidget->setLayout(m_layout);
Chris@0: 
Chris@34:     PropertyContainer::PropertyList properties = m_container->getProperties();
Chris@0: 
Chris@0:     blockSignals(true);
Chris@0: 
Chris@0:     size_t i;
Chris@0: 
Chris@0:     for (i = 0; i < properties.size(); ++i) {
Chris@0: 	updatePropertyEditor(properties[i]);
Chris@0:     }
Chris@0: 
Chris@0:     blockSignals(false);
Chris@0: 
Chris@0:     m_layout->setRowStretch(m_layout->rowCount(), 10);
Chris@0: 
Chris@100:     connect(UnitDatabase::getInstance(), SIGNAL(unitDatabaseChanged()),
Chris@100:             this, SLOT(unitDatabaseChanged()));
Chris@100: 
Chris@0: #ifdef DEBUG_PROPERTY_BOX
Chris@0:     std::cerr << "PropertyBox[" << this << "]::PropertyBox returning" << std::endl;
Chris@0: #endif
Chris@0: }
Chris@0: 
Chris@0: PropertyBox::~PropertyBox()
Chris@0: {
Chris@0: #ifdef DEBUG_PROPERTY_BOX
Chris@33:     std::cerr << "PropertyBox[" << this << "]::~PropertyBox" << std::endl;
Chris@0: #endif
Chris@0: }
Chris@0: 
Chris@0: void
Chris@34: PropertyBox::populateViewPlayFrame()
Chris@33: {
Chris@36: #ifdef DEBUG_PROPERTY_BOX
Chris@34:     std::cerr << "PropertyBox(" << m_container << ")::populateViewPlayFrame" << std::endl;
Chris@36: #endif
Chris@34: 
Chris@34:     if (m_viewPlayFrame) {
Chris@34: 	delete m_viewPlayFrame;
Chris@34: 	m_viewPlayFrame = 0;
Chris@34:     }
Chris@34: 
Chris@34:     if (!m_container) return;
Chris@34: 
Chris@34:     Layer *layer = dynamic_cast<Layer *>(m_container);
Chris@34:     if (layer) {
Chris@34: 	connect(layer, SIGNAL(modelReplaced()),
Chris@34: 		this, SLOT(populateViewPlayFrame()));
Chris@34:     }
Chris@34: 
Chris@34:     PlayParameters *params = m_container->getPlayParameters();
Chris@33:     if (!params && !layer) return;
Chris@33: 
Chris@34:     m_viewPlayFrame = new QFrame;
Chris@34:     m_viewPlayFrame->setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
Chris@34:     m_mainBox->addWidget(m_viewPlayFrame);
Chris@34: 
Chris@34:     QHBoxLayout *layout = new QHBoxLayout;
Chris@34:     m_viewPlayFrame->setLayout(layout);
Chris@34: 
Chris@34:     layout->setMargin(layout->margin() / 2);
Chris@34: 
Chris@36: #ifdef DEBUG_PROPERTY_BOX
Chris@34:     std::cerr << "PropertyBox::populateViewPlayFrame: container " << m_container << " (name " << m_container->getPropertyContainerName().toStdString() << ") params " << params << std::endl;
Chris@36: #endif
Chris@36: 
Chris@33:     if (layer) {
Chris@34: 	QLabel *showLabel = new QLabel(tr("Show"));
Chris@34: 	layout->addWidget(showLabel);
Chris@34: 	layout->setAlignment(showLabel, Qt::AlignVCenter);
Chris@34: 
Chris@33: 	LEDButton *showButton = new LEDButton(Qt::blue);
Chris@33: 	layout->addWidget(showButton);
Chris@47: 	connect(showButton, SIGNAL(stateChanged(bool)),
Chris@47: 		this, SIGNAL(showLayer(bool)));
Chris@34: 	layout->setAlignment(showButton, Qt::AlignVCenter);
Chris@33:     }
Chris@33:     
Chris@33:     if (params) {
Chris@34: 
Chris@34: 	QLabel *playLabel = new QLabel(tr("Play"));
Chris@34: 	layout->addWidget(playLabel);
Chris@34: 	layout->setAlignment(playLabel, Qt::AlignVCenter);
Chris@34: 
Chris@33: 	LEDButton *playButton = new LEDButton(Qt::darkGreen);
Chris@33: 	layout->addWidget(playButton);
Chris@33: 	connect(playButton, SIGNAL(stateChanged(bool)),
Chris@33: 		params, SLOT(setPlayAudible(bool)));
Chris@34: 	connect(params, SIGNAL(playAudibleChanged(bool)),
Chris@34: 		playButton, SLOT(setState(bool)));
Chris@34: 	layout->setAlignment(playButton, Qt::AlignVCenter);
Chris@34: 
Chris@34: 	layout->insertStretch(-1, 10);
Chris@34: 
Chris@63:         if (params->getPlayPluginId() != "") {
Chris@64:             QPushButton *pluginButton = new QPushButton(QIcon(":icons/faders.png"), "");
Chris@64:             pluginButton->setFixedWidth(24);
Chris@64:             pluginButton->setFixedHeight(24);
Chris@63:             layout->addWidget(pluginButton);
Chris@63:             connect(pluginButton, SIGNAL(clicked()),
Chris@63:                     this, SLOT(editPlugin()));
Chris@63:         }
Chris@63: 
Chris@34: 	AudioDial *gainDial = new AudioDial;
Chris@34: 	layout->addWidget(gainDial);
Chris@34: 	gainDial->setMeterColor(Qt::darkRed);
Chris@34: 	gainDial->setMinimum(-50);
Chris@34: 	gainDial->setMaximum(50);
Chris@34: 	gainDial->setPageStep(1);
Chris@34: 	gainDial->setFixedWidth(24);
Chris@34: 	gainDial->setFixedHeight(24);
Chris@34: 	gainDial->setNotchesVisible(false);
Chris@57: 	gainDial->setToolTip(tr("Playback Level"));
Chris@34: 	gainDial->setDefaultValue(0);
Chris@34: 	connect(gainDial, SIGNAL(valueChanged(int)),
Chris@34: 		this, SLOT(playGainDialChanged(int)));
Chris@34: 	connect(params, SIGNAL(playGainChanged(float)),
Chris@34: 		this, SLOT(playGainChanged(float)));
Chris@34: 	connect(this, SIGNAL(changePlayGain(float)),
Chris@34: 		params, SLOT(setPlayGain(float)));
Chris@34: 	connect(this, SIGNAL(changePlayGainDial(int)),
Chris@34: 		gainDial, SLOT(setValue(int)));
Chris@34: 	layout->setAlignment(gainDial, Qt::AlignVCenter);
Chris@34: 
Chris@34: 	AudioDial *panDial = new AudioDial;
Chris@34: 	layout->addWidget(panDial);
Chris@34: 	panDial->setMeterColor(Qt::darkGreen);
Chris@34: 	panDial->setMinimum(-50);
Chris@34: 	panDial->setMaximum(50);
Chris@34: 	panDial->setPageStep(1);
Chris@34: 	panDial->setFixedWidth(24);
Chris@34: 	panDial->setFixedHeight(24);
Chris@34: 	panDial->setNotchesVisible(false);
Chris@57: 	panDial->setToolTip(tr("Playback Pan / Balance"));
Chris@34: 	panDial->setDefaultValue(0);
Chris@34: 	connect(panDial, SIGNAL(valueChanged(int)),
Chris@34: 		this, SLOT(playPanDialChanged(int)));
Chris@34: 	connect(params, SIGNAL(playPanChanged(float)),
Chris@34: 		this, SLOT(playPanChanged(float)));
Chris@34: 	connect(this, SIGNAL(changePlayPan(float)),
Chris@34: 		params, SLOT(setPlayPan(float)));
Chris@34: 	connect(this, SIGNAL(changePlayPanDial(int)),
Chris@34: 		panDial, SLOT(setValue(int)));
Chris@34: 	layout->setAlignment(panDial, Qt::AlignVCenter);
Chris@34: 
Chris@34:     } else {
Chris@34: 
Chris@34: 	layout->insertStretch(-1, 10);
Chris@33:     }
Chris@33: }
Chris@33: 
Chris@33: void
Chris@0: PropertyBox::updatePropertyEditor(PropertyContainer::PropertyName name)
Chris@0: {
Chris@0:     PropertyContainer::PropertyType type = m_container->getPropertyType(name);
Chris@0:     int row = m_layout->rowCount();
Chris@0: 
Chris@0:     int min = 0, max = 0, value = 0;
Chris@0:     value = m_container->getPropertyRangeAndValue(name, &min, &max);
Chris@0: 
Chris@0:     bool have = (m_propertyControllers.find(name) !=
Chris@0: 		 m_propertyControllers.end());
Chris@0: 
Chris@0:     QString groupName = m_container->getPropertyGroupName(name);
Chris@87:     QString propertyLabel = m_container->getPropertyLabel(name);
Chris@0: 
Chris@0: #ifdef DEBUG_PROPERTY_BOX
Chris@0:     std::cerr << "PropertyBox[" << this
Chris@0: 	      << "(\"" << m_container->getPropertyContainerName().toStdString()
Chris@0: 	      << "\")]";
Chris@0:     std::cerr << "::updatePropertyEditor(\"" << name.toStdString() << "\"):";
Chris@0:     std::cerr << " value " << value << ", have " << have << ", group \""
Chris@0: 	      << groupName.toStdString() << "\"" << std::endl;
Chris@0: #endif
Chris@0: 
Chris@0:     bool inGroup = (groupName != QString());
Chris@0: 
Chris@0:     if (!have) {
Chris@0: 	if (inGroup) {
Chris@0: 	    if (m_groupLayouts.find(groupName) == m_groupLayouts.end()) {
Chris@0: #ifdef DEBUG_PROPERTY_BOX
Chris@0: 		std::cerr << "PropertyBox: adding label \"" << groupName.toStdString() << "\" and frame for group for \"" << name.toStdString() << "\"" << std::endl;
Chris@0: #endif
Chris@33: 		m_layout->addWidget(new QLabel(groupName, m_mainWidget), row, 0);
Chris@33: 		QFrame *frame = new QFrame(m_mainWidget);
Chris@0: 		m_layout->addWidget(frame, row, 1, 1, 2);
Chris@0: 		m_groupLayouts[groupName] = new QHBoxLayout;
Chris@0: 		m_groupLayouts[groupName]->setMargin(0);
Chris@0: 		frame->setLayout(m_groupLayouts[groupName]);
Chris@0: 	    }
Chris@0: 	} else {
Chris@0: #ifdef DEBUG_PROPERTY_BOX 
Chris@87: 	    std::cerr << "PropertyBox: adding label \"" << propertyLabel.toStdString() << "\"" << std::endl;
Chris@0: #endif
Chris@87: 	    m_layout->addWidget(new QLabel(propertyLabel, m_mainWidget), row, 0);
Chris@0: 	}
Chris@0:     }
Chris@0: 
Chris@0:     switch (type) {
Chris@0: 
Chris@0:     case PropertyContainer::ToggleProperty:
Chris@0:     {
Chris@0: 	QCheckBox *cb;
Chris@0: 
Chris@0: 	if (have) {
Chris@0: 	    cb = dynamic_cast<QCheckBox *>(m_propertyControllers[name]);
Chris@0: 	    assert(cb);
Chris@0: 	} else {
Chris@0: #ifdef DEBUG_PROPERTY_BOX 
Chris@0: 	    std::cerr << "PropertyBox: creating new checkbox" << std::endl;
Chris@0: #endif
Chris@0: 	    cb = new QCheckBox();
Chris@0: 	    cb->setObjectName(name);
Chris@0: 	    connect(cb, SIGNAL(stateChanged(int)),
Chris@0: 		    this, SLOT(propertyControllerChanged(int)));
Chris@0: 	    if (inGroup) {
Chris@108: 		cb->setToolTip(propertyLabel);
Chris@0: 		m_groupLayouts[groupName]->addWidget(cb);
Chris@0: 	    } else {
Chris@0: 		m_layout->addWidget(cb, row, 1, 1, 2);
Chris@0: 	    }
Chris@0: 	    m_propertyControllers[name] = cb;
Chris@0: 	}
Chris@0: 
Chris@55: 	if (cb->isChecked() != (value > 0)) {
Chris@55: 	    cb->blockSignals(true);
Chris@55: 	    cb->setChecked(value > 0);
Chris@55: 	    cb->blockSignals(false);
Chris@55: 	}
Chris@0: 	break;
Chris@0:     }
Chris@0: 
Chris@0:     case PropertyContainer::RangeProperty:
Chris@0:     {
Chris@0: 	AudioDial *dial;
Chris@0: 
Chris@0: 	if (have) {
Chris@0: 	    dial = dynamic_cast<AudioDial *>(m_propertyControllers[name]);
Chris@0: 	    assert(dial);
Chris@0: 	} else {
Chris@0: #ifdef DEBUG_PROPERTY_BOX 
Chris@0: 	    std::cerr << "PropertyBox: creating new dial" << std::endl;
Chris@0: #endif
Chris@0: 	    dial = new AudioDial();
Chris@0: 	    dial->setObjectName(name);
Chris@0: 	    dial->setMinimum(min);
Chris@0: 	    dial->setMaximum(max);
Chris@0: 	    dial->setPageStep(1);
Chris@34: 	    dial->setNotchesVisible((max - min) <= 12);
Chris@34: 	    dial->setDefaultValue(value);
Chris@0: 	    connect(dial, SIGNAL(valueChanged(int)),
Chris@0: 		    this, SLOT(propertyControllerChanged(int)));
Chris@0: 
Chris@0: 	    if (inGroup) {
Chris@0: 		dial->setFixedWidth(24);
Chris@0: 		dial->setFixedHeight(24);
Chris@108: 		dial->setToolTip(propertyLabel);
Chris@0: 		m_groupLayouts[groupName]->addWidget(dial);
Chris@0: 	    } else {
Chris@0: 		dial->setFixedWidth(32);
Chris@0: 		dial->setFixedHeight(32);
Chris@0: 		m_layout->addWidget(dial, row, 1);
Chris@33: 		QLabel *label = new QLabel(m_mainWidget);
Chris@0: 		connect(dial, SIGNAL(valueChanged(int)),
Chris@0: 			label, SLOT(setNum(int)));
Chris@0: 		label->setNum(value);
Chris@0: 		m_layout->addWidget(label, row, 2);
Chris@0: 	    }
Chris@0: 
Chris@0: 	    m_propertyControllers[name] = dial;
Chris@0: 	}
Chris@0: 
Chris@55: 	if (dial->value() != value) {
Chris@55: 	    dial->blockSignals(true);
Chris@55: 	    dial->setValue(value);
Chris@55: 	    dial->blockSignals(false);
Chris@55: 	}
Chris@0: 	break;
Chris@0:     }
Chris@0: 
Chris@0:     case PropertyContainer::ValueProperty:
Chris@100:     case PropertyContainer::UnitsProperty:
Chris@0:     {
Chris@0: 	QComboBox *cb;
Chris@0: 
Chris@0: 	if (have) {
Chris@0: 	    cb = dynamic_cast<QComboBox *>(m_propertyControllers[name]);
Chris@0: 	    assert(cb);
Chris@0: 	} else {
Chris@0: #ifdef DEBUG_PROPERTY_BOX 
Chris@0: 	    std::cerr << "PropertyBox: creating new combobox" << std::endl;
Chris@0: #endif
Chris@0: 
Chris@0: 	    cb = new QComboBox();
Chris@0: 	    cb->setObjectName(name);
Chris@100:             cb->setDuplicatesEnabled(false);
Chris@100: 
Chris@100:             if (type == PropertyContainer::ValueProperty) {
Chris@100:                 for (int i = min; i <= max; ++i) {
Chris@100:                     cb->addItem(m_container->getPropertyValueLabel(name, i));
Chris@100:                 }
Chris@100:                 cb->setEditable(false);
Chris@100:             } else {
Chris@100:                 QStringList units = UnitDatabase::getInstance()->getKnownUnits();
Chris@100:                 for (int i = 0; i < units.size(); ++i) {
Chris@100:                     cb->addItem(units[i]);
Chris@100:                 }
Chris@100:                 cb->setEditable(true);
Chris@100:             }
Chris@100: 
Chris@0: 	    connect(cb, SIGNAL(activated(int)),
Chris@0: 		    this, SLOT(propertyControllerChanged(int)));
Chris@100: 
Chris@0: 	    if (inGroup) {
Chris@108: 		cb->setToolTip(propertyLabel);
Chris@0: 		m_groupLayouts[groupName]->addWidget(cb);
Chris@0: 	    } else {
Chris@0: 		m_layout->addWidget(cb, row, 1, 1, 2);
Chris@0: 	    }
Chris@0: 	    m_propertyControllers[name] = cb;
Chris@0: 	}
Chris@0: 
Chris@100:         cb->blockSignals(true);
Chris@100:         if (type == PropertyContainer::ValueProperty) {
Chris@100:             if (cb->currentIndex() != value) {
Chris@100:                 cb->setCurrentIndex(value);
Chris@100:             }
Chris@100:         } else {
Chris@100:             QString unit = UnitDatabase::getInstance()->getUnitById(value);
Chris@100:             if (cb->currentText() != unit) {
Chris@100:                 for (int i = 0; i < cb->count(); ++i) {
Chris@100:                     if (cb->itemText(i) == unit) {
Chris@100:                         cb->setCurrentIndex(i);
Chris@100:                         break;
Chris@100:                     }
Chris@100:                 }
Chris@100:             }
Chris@100:         }
Chris@100:         cb->blockSignals(false);
Chris@0: 
Chris@0: #ifdef Q_WS_MAC
Chris@0: 	// Crashes on startup without this, for some reason
Chris@0: 	cb->setMinimumSize(QSize(10, 10));
Chris@0: #endif
Chris@0: 
Chris@0: 	break;
Chris@0:     }
Chris@0: 
Chris@0:     default:
Chris@0: 	break;
Chris@0:     }
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: PropertyBox::propertyContainerPropertyChanged(PropertyContainer *pc)
Chris@0: {
Chris@0:     if (pc != m_container) return;
Chris@0:     
Chris@55: #ifdef DEBUG_PROPERTY_BOX
Chris@55:     std::cerr << "PropertyBox::propertyContainerPropertyChanged" << std::endl;
Chris@55: #endif
Chris@55: 
Chris@0:     PropertyContainer::PropertyList properties = m_container->getProperties();
Chris@0:     size_t i;
Chris@0: 
Chris@0:     blockSignals(true);
Chris@0: 
Chris@0:     for (i = 0; i < properties.size(); ++i) {
Chris@0: 	updatePropertyEditor(properties[i]);
Chris@0:     }
Chris@0: 
Chris@0:     blockSignals(false);
Chris@0: }
Chris@0: 
Chris@0: void
Chris@100: PropertyBox::unitDatabaseChanged()
Chris@100: {
Chris@100:     blockSignals(true);
Chris@100: 
Chris@100:     PropertyContainer::PropertyList properties = m_container->getProperties();
Chris@100:     for (size_t i = 0; i < properties.size(); ++i) {
Chris@100: 	updatePropertyEditor(properties[i]);
Chris@100:     }
Chris@100: 
Chris@100:     blockSignals(false);
Chris@100: }    
Chris@100: 
Chris@100: void
Chris@0: PropertyBox::propertyControllerChanged(int value)
Chris@0: {
Chris@0:     QObject *obj = sender();
Chris@0:     QString name = obj->objectName();
Chris@0: 
Chris@34: #ifdef DEBUG_PROPERTY_BOX
Chris@33:     std::cerr << "PropertyBox::propertyControllerChanged(" << name.toStdString()
Chris@33: 	      << ", " << value << ")" << std::endl;
Chris@34: #endif
Chris@0:     
Chris@0:     PropertyContainer::PropertyType type = m_container->getPropertyType(name);
Chris@100: 
Chris@100:     if (type == PropertyContainer::UnitsProperty) {
Chris@100:         QComboBox *cb = dynamic_cast<QComboBox *>(obj);
Chris@100:         if (cb) {
Chris@100:             QString unit = cb->currentText();
Chris@100:             m_container->setPropertyWithCommand
Chris@100:                 (name, UnitDatabase::getInstance()->getUnitId(unit));
Chris@100:         }
Chris@100:     } else if (type != PropertyContainer::InvalidProperty) {
Chris@55: 	m_container->setPropertyWithCommand(name, value);
Chris@0:     }
Chris@0: 
Chris@0:     if (type == PropertyContainer::RangeProperty) {
Chris@0: 	AudioDial *dial = dynamic_cast<AudioDial *>(m_propertyControllers[name]);
Chris@0: 	if (dial) {
Chris@0: 	    dial->setToolTip(QString("%1: %2").arg(name).arg(value));
Chris@0: 	    //!!! unfortunately this doesn't update an already-visible tooltip
Chris@0: 	}
Chris@0:     }
Chris@0: }
Chris@0:     
Chris@34: void
Chris@34: PropertyBox::playGainChanged(float gain)
Chris@34: {
Chris@34:     int dialValue = lrint(log10(gain) * 20.0);
Chris@34:     if (dialValue < -50) dialValue = -50;
Chris@34:     if (dialValue >  50) dialValue =  50;
Chris@34:     emit changePlayGainDial(dialValue);
Chris@34: }
Chris@34: 
Chris@34: void
Chris@34: PropertyBox::playGainDialChanged(int dialValue)
Chris@34: {
Chris@34:     float gain = pow(10, float(dialValue) / 20.0);
Chris@34:     emit changePlayGain(gain);
Chris@34: }
Chris@34:     
Chris@34: void
Chris@34: PropertyBox::playPanChanged(float pan)
Chris@34: {
Chris@34:     int dialValue = lrint(pan * 50.0);
Chris@34:     if (dialValue < -50) dialValue = -50;
Chris@34:     if (dialValue >  50) dialValue =  50;
Chris@34:     emit changePlayPanDial(dialValue);
Chris@34: }
Chris@34: 
Chris@34: void
Chris@34: PropertyBox::playPanDialChanged(int dialValue)
Chris@34: {
Chris@34:     float pan = float(dialValue) / 50.0;
Chris@34:     if (pan < -1.0) pan = -1.0;
Chris@34:     if (pan >  1.0) pan =  1.0;
Chris@34:     emit changePlayPan(pan);
Chris@34: }
Chris@0: 
Chris@63: void
Chris@63: PropertyBox::editPlugin()
Chris@63: {
Chris@63:     //!!! should probably just emit and let something else do this
Chris@63: 
Chris@63:     PlayParameters *params = m_container->getPlayParameters();
Chris@63:     if (!params) return;
Chris@63: 
Chris@63:     QString pluginId = params->getPlayPluginId();
Chris@63:     QString configurationXml = params->getPlayPluginConfiguration();
Chris@63:     
Chris@63:     RealTimePluginFactory *factory =
Chris@63: 	RealTimePluginFactory::instanceFor(pluginId);
Chris@63:     if (!factory) return;
Chris@63: 
Chris@63:     RealTimePluginInstance *instance =
Chris@63:         factory->instantiatePlugin(pluginId, 0, 0, 48000, 1024, 1);
Chris@63:     if (!instance) return;
Chris@63: 
Chris@71:     PluginXml(instance).setParametersFromXml(configurationXml);
Chris@63: 
Chris@69:     PluginParameterDialog *dialog = new PluginParameterDialog(instance, -1, -1, -1);
Chris@64:     connect(dialog, SIGNAL(pluginConfigurationChanged(QString)),
Chris@64:             this, SLOT(pluginConfigurationChanged(QString)));
Chris@64: 
Chris@63:     if (dialog->exec() == QDialog::Accepted) {
Chris@71:         params->setPlayPluginConfiguration(PluginXml(instance).toXmlString());
Chris@64:     } else {
Chris@64:         // restore in case we mucked about with the configuration
Chris@64:         // as a consequence of signals from the dialog
Chris@64:         params->setPlayPluginConfiguration(configurationXml);
Chris@63:     }
Chris@63: 
Chris@63:     delete dialog;
Chris@63:     delete instance;
Chris@63: }
Chris@63: 
Chris@64: void
Chris@64: PropertyBox::pluginConfigurationChanged(QString configurationXml)
Chris@64: {
Chris@64:     PlayParameters *params = m_container->getPlayParameters();
Chris@64:     if (!params) return;
Chris@64: 
Chris@64:     params->setPlayPluginConfiguration(configurationXml);
Chris@64: }    
Chris@64:     
Chris@64:     
Chris@64: 
Chris@0: #ifdef INCLUDE_MOCFILES
Chris@0: #include "PropertyBox.moc.cpp"
Chris@0: #endif
Chris@0: