Chris@62: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@62: 
Chris@62: /*
Chris@62:     Sonic Visualiser
Chris@62:     An audio file viewer and annotation editor.
Chris@62:     Centre for Digital Music, Queen Mary, University of London.
Chris@62:     This file copyright 2006 Chris Cannam.
Chris@62:     
Chris@62:     This program is free software; you can redistribute it and/or
Chris@62:     modify it under the terms of the GNU General Public License as
Chris@62:     published by the Free Software Foundation; either version 2 of the
Chris@62:     License, or (at your option) any later version.  See the file
Chris@62:     COPYING included with this distribution for more information.
Chris@62: */
Chris@62: 
Chris@62: #include "PluginParameterDialog.h"
Chris@62: 
Chris@62: #include "PluginParameterBox.h"
Chris@62: 
Chris@106: #include "vamp-sdk/Plugin.h"
Chris@106: 
Chris@62: #include <QGridLayout>
Chris@62: #include <QLabel>
Chris@62: #include <QGroupBox>
Chris@62: #include <QHBoxLayout>
Chris@62: #include <QPushButton>
Chris@69: #include <QMessageBox>
Chris@69: #include <QComboBox>
Chris@62: 
Chris@71: PluginParameterDialog::PluginParameterDialog(Vamp::PluginBase *plugin,
Chris@69:                                              int sourceChannels,
Chris@69:                                              int targetChannels,
Chris@69:                                              int defaultChannel,
Chris@106:                                              QString output,
Chris@62: 					     QWidget *parent) :
Chris@62:     QDialog(parent),
Chris@62:     m_plugin(plugin),
Chris@69:     m_channel(defaultChannel),
Chris@62:     m_parameterBox(0)
Chris@62: {
Chris@122:     setWindowTitle(tr("Plugin Parameters"));
Chris@122: 
Chris@62:     QGridLayout *grid = new QGridLayout;
Chris@62:     setLayout(grid);
Chris@62: 
Chris@62:     QGroupBox *pluginBox = new QGroupBox;
Chris@62:     pluginBox->setTitle(tr("Plugin"));
Chris@62:     grid->addWidget(pluginBox, 0, 0);
Chris@62: 
Chris@62:     QGridLayout *subgrid = new QGridLayout;
Chris@62:     pluginBox->setLayout(subgrid);
Chris@62: 
Chris@63:     subgrid->setSpacing(0);
Chris@63:     subgrid->setMargin(10);
Chris@63: 
Chris@62:     QFont font(pluginBox->font());
Chris@62:     font.setBold(true);
Chris@62: 
Chris@62:     QLabel *nameLabel = new QLabel(plugin->getDescription().c_str());
Chris@62:     nameLabel->setFont(font);
Chris@62: 
Chris@62:     QLabel *makerLabel = new QLabel(plugin->getMaker().c_str());
Chris@62: 
Chris@106:     QLabel *outputLabel = 0;
Chris@106: 
Chris@106:     if (output != "") {
Chris@106: 
Chris@106:         Vamp::Plugin *fePlugin = dynamic_cast<Vamp::Plugin *>(plugin);
Chris@106: 
Chris@106:         if (fePlugin) {
Chris@106: 
Chris@106:             std::vector<Vamp::Plugin::OutputDescriptor> od =
Chris@106:                 fePlugin->getOutputDescriptors();
Chris@106: 
Chris@106:             if (od.size() > 1) {
Chris@106: 
Chris@106:                 for (size_t i = 0; i < od.size(); ++i) {
Chris@106:                     if (od[i].name == output.toStdString()) {
Chris@106:                         outputLabel = new QLabel(od[i].description.c_str());
Chris@106:                         break;
Chris@106:                     }
Chris@106:                 }
Chris@106:             }
Chris@106:         }
Chris@106:     }
Chris@106: 
Chris@62:     QLabel *versionLabel = new QLabel(QString("%1")
Chris@62:                                       .arg(plugin->getPluginVersion()));
Chris@62: 
Chris@62:     QLabel *copyrightLabel = new QLabel(plugin->getCopyright().c_str());
Chris@62: 
Chris@63:     QLabel *typeLabel = new QLabel(plugin->getType().c_str());
Chris@63:     typeLabel->setFont(font);
Chris@63: 
Chris@62:     subgrid->addWidget(new QLabel(tr("Name:")), 0, 0);
Chris@62:     subgrid->addWidget(nameLabel, 0, 1);
Chris@62: 
Chris@63:     subgrid->addWidget(new QLabel(tr("Type:")), 1, 0);
Chris@63:     subgrid->addWidget(typeLabel, 1, 1);
Chris@62: 
Chris@106:     int outputOffset = 0;
Chris@106:     if (outputLabel) {
Chris@106:         subgrid->addWidget(new QLabel(tr("Output:")), 2, 0);
Chris@106:         subgrid->addWidget(outputLabel, 2, 1);
Chris@106:         outputOffset = 1;
Chris@106:     }
Chris@62: 
Chris@106:     subgrid->addWidget(new QLabel(tr("Maker:")), 2 + outputOffset, 0);
Chris@106:     subgrid->addWidget(makerLabel, 2 + outputOffset, 1);
Chris@63: 
Chris@106:     subgrid->addWidget(new QLabel(tr("Copyright:  ")), 3 + outputOffset, 0);
Chris@106:     subgrid->addWidget(copyrightLabel, 3 + outputOffset, 1);
Chris@106: 
Chris@106:     subgrid->addWidget(new QLabel(tr("Version:")), 4 + outputOffset, 0);
Chris@106:     subgrid->addWidget(versionLabel, 4 + outputOffset, 1);
Chris@62: 
Chris@62:     subgrid->setColumnStretch(1, 2);
Chris@62: 
Chris@62:     QGroupBox *paramBox = new QGroupBox;
Chris@62:     paramBox->setTitle(tr("Plugin Parameters"));
Chris@62:     grid->addWidget(paramBox, 1, 0);
Chris@62:     grid->setRowStretch(1, 10);
Chris@62: 
Chris@62:     QHBoxLayout *paramLayout = new QHBoxLayout;
Chris@63:     paramLayout->setMargin(0);
Chris@62:     paramBox->setLayout(paramLayout);
Chris@62: 
Chris@62:     m_parameterBox = new PluginParameterBox(m_plugin);
Chris@64:     connect(m_parameterBox, SIGNAL(pluginConfigurationChanged(QString)),
Chris@64:             this,  SIGNAL(pluginConfigurationChanged(QString)));
Chris@62:     paramLayout->addWidget(m_parameterBox);
Chris@62: 
Chris@69:     if (sourceChannels != targetChannels) {
Chris@69: 
Chris@69:         // At the moment we can only cope with the case where
Chris@69:         // sourceChannels > targetChannels and targetChannels == 1
Chris@69: 
Chris@69:         if (sourceChannels < targetChannels) {
Chris@69: 
Chris@69:             QMessageBox::warning
Chris@69:                 (parent,
Chris@69:                  tr("Channel mismatch"),
Chris@69:                  tr("This plugin requires at least %1 input channels, but only %2 %3 available.  The plugin probably will not work correctly.").arg(targetChannels).arg(sourceChannels).arg(sourceChannels != 1 ? tr("are") : tr("is")),
Chris@69:                  QMessageBox::Ok,
Chris@69:                  QMessageBox::NoButton);
Chris@69: 
Chris@69:         } else {
Chris@69: 
Chris@69:             QGroupBox *channelBox = new QGroupBox;
Chris@69:             channelBox->setTitle(tr("Channels"));
Chris@69:             grid->addWidget(channelBox, 2, 0);
Chris@69:             
Chris@69:             QVBoxLayout *channelLayout = new QVBoxLayout;
Chris@69:             channelBox->setLayout(channelLayout);
Chris@69: 
Chris@69:             if (targetChannels != 1) {
Chris@69: 
Chris@69:                 channelLayout->addWidget
Chris@69:                     (new QLabel(tr("This plugin accepts no more than %1 input channels,\nbut %2 are available.  Only the first %3 will be used.\n")
Chris@69:                                 .arg(targetChannels)
Chris@69:                                 .arg(sourceChannels)
Chris@69:                                 .arg(targetChannels)));
Chris@69: 
Chris@69:             } else {
Chris@69: 
Chris@69:                 channelLayout->addWidget(new QLabel(tr("This plugin only has a single channel input,\nbut the source has %1 channels.").arg(sourceChannels)));
Chris@69: 
Chris@69:                 QComboBox *channelCombo = new QComboBox;
Chris@76:                 channelCombo->addItem(tr("Use mean of source channels"));
Chris@69:                 for (int i = 0; i < sourceChannels; ++i) {
Chris@69:                     channelCombo->addItem(tr("Use channel %1 only").arg(i + 1));
Chris@69:                 }
Chris@69: 
Chris@69:                 connect(channelCombo, SIGNAL(activated(int)),
Chris@69:                         this, SLOT(channelComboChanged(int)));
Chris@69: 
Chris@69:                 channelLayout->addWidget(channelCombo);
Chris@69:             }
Chris@69:         }
Chris@69:     }
Chris@69: 
Chris@62:     QHBoxLayout *hbox = new QHBoxLayout;
Chris@69:     grid->addLayout(hbox, 3, 0);
Chris@62:     
Chris@62:     QPushButton *ok = new QPushButton(tr("OK"));
Chris@62:     QPushButton *cancel = new QPushButton(tr("Cancel"));
Chris@62:     hbox->addStretch(10);
Chris@62:     hbox->addWidget(ok);
Chris@62:     hbox->addWidget(cancel);
Chris@62:     connect(ok, SIGNAL(clicked()), this, SLOT(accept()));
Chris@62:     connect(cancel, SIGNAL(clicked()), this, SLOT(reject()));
Chris@62: }
Chris@62: 
Chris@62: PluginParameterDialog::~PluginParameterDialog()
Chris@62: {
Chris@62: }
Chris@62: 
Chris@69: void
Chris@69: PluginParameterDialog::channelComboChanged(int index)
Chris@69: {
Chris@69:     m_channel = index - 1;
Chris@69: }
Chris@69: