Chris@60: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@60: 
Chris@60: /*
Chris@60:     Sonic Visualiser
Chris@60:     An audio file viewer and annotation editor.
Chris@60:     Centre for Digital Music, Queen Mary, University of London.
Chris@60:     This file copyright 2006 Chris Cannam.
Chris@60:     
Chris@60:     This program is free software; you can redistribute it and/or
Chris@60:     modify it under the terms of the GNU General Public License as
Chris@60:     published by the Free Software Foundation; either version 2 of the
Chris@60:     License, or (at your option) any later version.  See the file
Chris@60:     COPYING included with this distribution for more information.
Chris@60: */
Chris@60: 
Chris@60: #include "PluginParameterBox.h"
Chris@60: 
Chris@60: #include "AudioDial.h"
Chris@60: 
Chris@71: #include "plugin/PluginXml.h"
Chris@71: 
Chris@60: #include <QDoubleSpinBox>
Chris@60: #include <QGridLayout>
Chris@63: #include <QComboBox>
Chris@63: #include <QCheckBox>
Chris@60: #include <QLayout>
Chris@60: #include <QLabel>
Chris@60: 
Chris@60: #include <iostream>
Chris@60: #include <string>
Chris@60: 
Chris@78: #include <cmath>
Chris@78: 
Chris@71: PluginParameterBox::PluginParameterBox(Vamp::PluginBase *plugin, QWidget *parent) :
Chris@62:     QFrame(parent),
Chris@60:     m_plugin(plugin)
Chris@60: {
Chris@60:     m_layout = new QGridLayout;
Chris@60:     setLayout(m_layout);
Chris@60:     populate();
Chris@60: }
Chris@60: 
Chris@60: PluginParameterBox::~PluginParameterBox()
Chris@60: {
Chris@60: }
Chris@60: 
Chris@60: void
Chris@60: PluginParameterBox::populate()
Chris@60: {
Chris@71:     Vamp::PluginBase::ParameterList params = m_plugin->getParameterDescriptors();
Chris@71:     Vamp::PluginBase::ProgramList programs = m_plugin->getPrograms();
Chris@60: 
Chris@60:     m_params.clear();
Chris@60: 
Chris@63:     if (params.empty() && programs.empty()) {
Chris@62:         m_layout->addWidget
Chris@62:             (new QLabel(tr("This plugin has no adjustable parameters.")),
Chris@62:              0, 0);
Chris@62:     }
Chris@62: 
Chris@63:     int offset = 0;
Chris@63: 
Chris@63:     if (!programs.empty()) {
Chris@63: 
Chris@63:         std::string currentProgram = m_plugin->getCurrentProgram();
Chris@63: 
Chris@63:         QComboBox *programCombo = new QComboBox;
Chris@63:         programCombo->setMaxVisibleItems(20);
Chris@63: 
Chris@63:         for (int i = 0; i < programs.size(); ++i) {
Chris@63:             programCombo->addItem(programs[i].c_str());
Chris@63:             if (programs[i] == currentProgram) {
Chris@63:                 programCombo->setCurrentIndex(i);
Chris@63:             }
Chris@63:         }
Chris@63: 
Chris@63:         m_layout->addWidget(new QLabel(tr("Program")), 0, 0);
Chris@63:         m_layout->addWidget(programCombo, 0, 1, 1, 2);
Chris@63: 
Chris@63:         connect(programCombo, SIGNAL(currentIndexChanged(const QString &)),
Chris@63:                 this, SLOT(programComboChanged(const QString &)));
Chris@63: 
Chris@63:         offset = 1;
Chris@63:     }
Chris@63: 
Chris@60:     for (size_t i = 0; i < params.size(); ++i) {
Chris@60: 
Chris@60:         QString name = params[i].name.c_str();
Chris@60:         QString description = params[i].description.c_str();
Chris@60:         QString unit = params[i].unit.c_str();
Chris@60: 
Chris@60:         float min = params[i].minValue;
Chris@60:         float max = params[i].maxValue;
Chris@60:         float deft = params[i].defaultValue;
Chris@62:         float value = m_plugin->getParameter(params[i].name);
Chris@60: 
Chris@60:         float qtz = 0.0;
Chris@60:         if (params[i].isQuantized) qtz = params[i].quantizeStep;
Chris@60: 
Chris@74:         std::vector<std::string> valueNames = params[i].valueNames;
Chris@74: 
Chris@60:         // construct an integer range
Chris@60: 
Chris@60:         int imin = 0, imax = 100;
Chris@60: 
Chris@60:         if (qtz > 0.0) {
Chris@60:             imax = int((max - min) / qtz);
Chris@60:         } else {
Chris@60:             qtz = (max - min) / 100.0;
Chris@60:         }
Chris@60: 
Chris@60:         //!!! would be nice to ensure the default value corresponds to
Chris@60:         // an integer!
Chris@60: 
Chris@60:         QLabel *label = new QLabel(description);
Chris@63:         m_layout->addWidget(label, i + offset, 0);
Chris@60: 
Chris@60:         ParamRec rec;
Chris@60:         rec.param = params[i];
Chris@63:         rec.dial = 0;
Chris@63:         rec.spin = 0;
Chris@63:         rec.check = 0;
Chris@74:         rec.combo = 0;
Chris@63:         
Chris@74:         if (params[i].isQuantized && !valueNames.empty()) {
Chris@74:             
Chris@74:             QComboBox *combobox = new QComboBox;
Chris@74:             combobox->setObjectName(name);
Chris@74:             for (unsigned int j = 0; j < valueNames.size(); ++j) {
Chris@74:                 combobox->addItem(valueNames[j].c_str());
Chris@74:                 if (lrintf((value - min) / qtz) == j) {
Chris@74:                     combobox->setCurrentIndex(j);
Chris@74:                 }
Chris@74:             }
Chris@74:             connect(combobox, SIGNAL(activated(int)),
Chris@74:                     this, SLOT(dialChanged(int)));
Chris@74:             m_layout->addWidget(combobox, i + offset, 1, 1, 2);
Chris@74:             rec.combo = combobox;
Chris@74: 
Chris@74:         } else if (min == 0.0 && max == 1.0 && qtz == 1.0) {
Chris@63:             
Chris@63:             QCheckBox *checkbox = new QCheckBox;
Chris@63:             checkbox->setObjectName(name);
Chris@63:             checkbox->setCheckState(value == 0.0 ? Qt::Unchecked : Qt::Checked);
Chris@63:             connect(checkbox, SIGNAL(stateChanged(int)),
Chris@63:                     this, SLOT(checkBoxChanged(int)));
Chris@63:             m_layout->addWidget(checkbox, i + offset, 2);
Chris@63:             rec.check = checkbox;
Chris@63: 
Chris@63:         } else {
Chris@63:             
Chris@63:             AudioDial *dial = new AudioDial;
Chris@63:             dial->setObjectName(name);
Chris@63:             dial->setMinimum(imin);
Chris@63:             dial->setMaximum(imax);
Chris@63:             dial->setPageStep(1);
Chris@63:             dial->setNotchesVisible((imax - imin) <= 12);
Chris@74:             dial->setDefaultValue(lrintf((deft - min) / qtz));
Chris@74:             dial->setValue(lrintf((value - min) / qtz));
Chris@63:             dial->setFixedWidth(32);
Chris@63:             dial->setFixedHeight(32);
Chris@63:             connect(dial, SIGNAL(valueChanged(int)),
Chris@63:                     this, SLOT(dialChanged(int)));
Chris@63:             m_layout->addWidget(dial, i + offset, 1);
Chris@63: 
Chris@63:             QDoubleSpinBox *spinbox = new QDoubleSpinBox;
Chris@63:             spinbox->setObjectName(name);
Chris@63:             spinbox->setMinimum(min);
Chris@63:             spinbox->setMaximum(max);
Chris@63:             spinbox->setSuffix(QString(" %1").arg(unit));
Chris@63:             spinbox->setSingleStep(qtz);
Chris@63:             spinbox->setValue(value);
Chris@103:             spinbox->setDecimals(4);
Chris@63:             connect(spinbox, SIGNAL(valueChanged(double)),
Chris@63:                     this, SLOT(spinBoxChanged(double)));
Chris@63:             m_layout->addWidget(spinbox, i + offset, 2);
Chris@63:             rec.dial = dial;
Chris@63:             rec.spin = spinbox;
Chris@63:         }
Chris@63: 
Chris@60:         m_params[name] = rec;
Chris@60:     }
Chris@60: }
Chris@60: 
Chris@60: void
Chris@60: PluginParameterBox::dialChanged(int ival)
Chris@60: {
Chris@60:     QObject *obj = sender();
Chris@60:     QString name = obj->objectName();
Chris@60: 
Chris@60:     if (m_params.find(name) == m_params.end()) {
Chris@60:         std::cerr << "WARNING: PluginParameterBox::dialChanged: Unknown parameter \"" << name.toStdString() << "\"" << std::endl;
Chris@60:         return;
Chris@60:     }
Chris@60: 
Chris@71:     Vamp::PluginBase::ParameterDescriptor params = m_params[name].param;
Chris@60: 
Chris@60:     float min = params.minValue;
Chris@60:     float max = params.maxValue;
Chris@60: 
Chris@60:     float qtz = 0.0;
Chris@60:     if (params.isQuantized) qtz = params.quantizeStep;
Chris@60:     
Chris@60:     if (qtz == 0.0) {
Chris@60:         qtz = (max - min) / 100.0;
Chris@60:     }
Chris@60: 
Chris@60:     float newValue = min + ival * qtz;
Chris@60: 
Chris@60:     QDoubleSpinBox *spin = m_params[name].spin;
Chris@63:     if (spin) {
Chris@63:         spin->blockSignals(true);
Chris@63:         spin->setValue(newValue);
Chris@63:         spin->blockSignals(false);
Chris@63:     }
Chris@60: 
Chris@60:     m_plugin->setParameter(name.toStdString(), newValue);
Chris@64: 
Chris@71:     emit pluginConfigurationChanged(PluginXml(m_plugin).toXmlString());
Chris@60: }
Chris@60: 
Chris@60: void
Chris@63: PluginParameterBox::checkBoxChanged(int state)
Chris@63: {
Chris@63:     QObject *obj = sender();
Chris@63:     QString name = obj->objectName();
Chris@63: 
Chris@63:     if (m_params.find(name) == m_params.end()) {
Chris@63:         std::cerr << "WARNING: PluginParameterBox::checkBoxChanged: Unknown parameter \"" << name.toStdString() << "\"" << std::endl;
Chris@63:         return;
Chris@63:     }
Chris@63: 
Chris@71:     Vamp::PluginBase::ParameterDescriptor params = m_params[name].param;
Chris@63: 
Chris@63:     if (state) m_plugin->setParameter(name.toStdString(), 1.0);
Chris@63:     else m_plugin->setParameter(name.toStdString(), 0.0);
Chris@64: 
Chris@71:     emit pluginConfigurationChanged(PluginXml(m_plugin).toXmlString());
Chris@63: }
Chris@63: 
Chris@63: void
Chris@60: PluginParameterBox::spinBoxChanged(double value)
Chris@60: {
Chris@60:     QObject *obj = sender();
Chris@60:     QString name = obj->objectName();
Chris@60: 
Chris@60:     if (m_params.find(name) == m_params.end()) {
Chris@60:         std::cerr << "WARNING: PluginParameterBox::spinBoxChanged: Unknown parameter \"" << name.toStdString() << "\"" << std::endl;
Chris@60:         return;
Chris@60:     }
Chris@60: 
Chris@71:     Vamp::PluginBase::ParameterDescriptor params = m_params[name].param;
Chris@60: 
Chris@60:     float min = params.minValue;
Chris@60:     float max = params.maxValue;
Chris@60: 
Chris@60:     float qtz = 0.0;
Chris@60:     if (params.isQuantized) qtz = params.quantizeStep;
Chris@60:     
Chris@60:     if (qtz > 0.0) {
Chris@60:         int step = int((value - min) / qtz);
Chris@60:         value = min + step * qtz;
Chris@60:     }
Chris@60: 
Chris@60:     int imin = 0, imax = 100;
Chris@60:     
Chris@60:     if (qtz > 0.0) {
Chris@60:         imax = int((max - min) / qtz);
Chris@60:     } else {
Chris@60:         qtz = (max - min) / 100.0;
Chris@60:     }
Chris@60: 
Chris@60:     int ival = (value - min) / qtz;
Chris@60: 
Chris@60:     AudioDial *dial = m_params[name].dial;
Chris@63:     if (dial) {
Chris@63:         dial->blockSignals(true);
Chris@63:         dial->setValue(ival);
Chris@63:         dial->blockSignals(false);
Chris@63:     }
Chris@60: 
Chris@60:     m_plugin->setParameter(name.toStdString(), value);
Chris@64: 
Chris@71:     emit pluginConfigurationChanged(PluginXml(m_plugin).toXmlString());
Chris@60: }
Chris@60: 
Chris@63: void
Chris@63: PluginParameterBox::programComboChanged(const QString &newProgram)
Chris@63: {
Chris@63:     m_plugin->selectProgram(newProgram.toStdString());
Chris@60: 
Chris@63:     for (std::map<QString, ParamRec>::iterator i = m_params.begin();
Chris@63:          i != m_params.end(); ++i) {
Chris@63: 
Chris@71:         Vamp::PluginBase::ParameterDescriptor &param = i->second.param;
Chris@63:         float value = m_plugin->getParameter(param.name);
Chris@63: 
Chris@63:         if (i->second.spin) {
Chris@63:             i->second.spin->blockSignals(true);
Chris@63:             i->second.spin->setValue(value);
Chris@63:             i->second.spin->blockSignals(false);
Chris@63:         }
Chris@63: 
Chris@63:         if (i->second.dial) {
Chris@63: 
Chris@63:             float min = param.minValue;
Chris@63:             float max = param.maxValue;
Chris@63: 
Chris@63:             float qtz = 0.0;
Chris@63:             if (param.isQuantized) qtz = param.quantizeStep;
Chris@63: 
Chris@63:             if (qtz == 0.0) {
Chris@63:                 qtz = (max - min) / 100.0;
Chris@63:             }
Chris@63: 
Chris@63:             i->second.dial->blockSignals(true);
Chris@74:             i->second.dial->setValue(lrintf((value - min) / qtz));
Chris@63:             i->second.dial->blockSignals(false);
Chris@63:         }
Chris@74: 
Chris@74:         if (i->second.combo) {
Chris@74:             i->second.combo->blockSignals(true);
Chris@74:             i->second.combo->setCurrentIndex(value);
Chris@74:             i->second.combo->blockSignals(false);
Chris@74:         }
Chris@63:     }
Chris@64: 
Chris@71:     emit pluginConfigurationChanged(PluginXml(m_plugin).toXmlString());
Chris@63: }
Chris@63: