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@60: #include <QDoubleSpinBox>
Chris@60: #include <QGridLayout>
Chris@60: #include <QLayout>
Chris@60: #include <QLabel>
Chris@60: 
Chris@60: #include <iostream>
Chris@60: #include <string>
Chris@60: 
Chris@60: PluginParameterBox::PluginParameterBox(PluginInstance *plugin) :
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@60:     PluginInstance::ParameterList params = m_plugin->getParameterDescriptors();
Chris@60: 
Chris@60:     m_params.clear();
Chris@60: 
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@60: 
Chris@60:         float qtz = 0.0;
Chris@60:         if (params[i].isQuantized) qtz = params[i].quantizeStep;
Chris@60: 
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@60:         m_layout->addWidget(label, i, 0);
Chris@60:         
Chris@60:         AudioDial *dial = new AudioDial;
Chris@60:         dial->setObjectName(name);
Chris@60:         dial->setMinimum(imin);
Chris@60:         dial->setMaximum(imax);
Chris@60:         dial->setPageStep(1);
Chris@60:         dial->setNotchesVisible((imax - imin) <= 12);
Chris@60:         dial->setDefaultValue(int((deft - min) / qtz));
Chris@60:         connect(dial, SIGNAL(valueChanged(int)),
Chris@60:                 this, SLOT(dialChanged(int)));
Chris@60:         m_layout->addWidget(dial, i, 1);
Chris@60: 
Chris@60:         QDoubleSpinBox *spinbox = new QDoubleSpinBox;
Chris@60:         spinbox->setObjectName(name);
Chris@60:         spinbox->setMinimum(min);
Chris@60:         spinbox->setMaximum(max);
Chris@60:         spinbox->setSuffix(unit);
Chris@60:         spinbox->setSingleStep(qtz);
Chris@60:         spinbox->setValue(deft);
Chris@60:         connect(spinbox, SIGNAL(valueChanged(double)),
Chris@60:                 this, SLOT(spinBoxChanged(double)));
Chris@60:         m_layout->addWidget(spinbox, i, 2);
Chris@60: 
Chris@60:         ParamRec rec;
Chris@60:         rec.dial = dial;
Chris@60:         rec.spin = spinbox;
Chris@60:         rec.param = params[i];
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@60:     PluginInstance::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@60:     spin->blockSignals(true);
Chris@60:     spin->setValue(newValue);
Chris@60:     spin->blockSignals(false);
Chris@60: 
Chris@60:     m_plugin->setParameter(name.toStdString(), newValue);
Chris@60: }
Chris@60: 
Chris@60: 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@60:     PluginInstance::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@60:     dial->blockSignals(true);
Chris@60:     dial->setValue(ival);
Chris@60:     dial->blockSignals(false);
Chris@60: 
Chris@60:     m_plugin->setParameter(name.toStdString(), value);
Chris@60: }
Chris@60: 
Chris@60: