Mercurial > hg > svgui
view widgets/TransformFinder.cpp @ 1478:d39db4673676 by-id
Fix a number of Qt deprecation warnings
author | Chris Cannam |
---|---|
date | Wed, 03 Jul 2019 08:55:02 +0100 |
parents | c8a6fd3f9dff |
children | b1f3b5678549 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2008 QMUL. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #include "TransformFinder.h" #include "base/XmlExportable.h" #include "transform/TransformFactory.h" #include "SelectableLabel.h" #include <QVBoxLayout> #include <QGridLayout> #include <QLineEdit> #include <QLabel> #include <QDialogButtonBox> #include <QScrollArea> #include <QApplication> #include <QScreen> #include <QTimer> #include <QAction> TransformFinder::TransformFinder(QWidget *parent) : QDialog(parent), m_resultsFrame(nullptr), m_resultsLayout(nullptr) { setWindowTitle(tr("Find a Transform")); QGridLayout *mainGrid = new QGridLayout; mainGrid->setVerticalSpacing(0); setLayout(mainGrid); mainGrid->addWidget(new QLabel(tr("Find:")), 0, 0); QLineEdit *searchField = new QLineEdit; mainGrid->addWidget(searchField, 0, 1); connect(searchField, SIGNAL(textChanged(const QString &)), this, SLOT(searchTextChanged(const QString &))); // m_infoLabel = new QLabel(tr("Type in this box to search descriptions of available and known transforms")); m_infoLabel = new QLabel; mainGrid->addWidget(m_infoLabel, 1, 1); m_resultsScroll = new QScrollArea; mainGrid->addWidget(m_resultsScroll, 2, 0, 1, 2); mainGrid->setRowStretch(2, 10); QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel); mainGrid->addWidget(bb, 3, 0, 1, 2); connect(bb, SIGNAL(accepted()), this, SLOT(accept())); connect(bb, SIGNAL(rejected()), this, SLOT(reject())); m_resultsFrame = new QWidget; QPalette palette = m_resultsFrame->palette(); palette.setColor(QPalette::Window, palette.color(QPalette::Base)); m_resultsFrame->setPalette(palette); m_resultsScroll->setPalette(palette); m_resultsLayout = new QVBoxLayout; m_resultsLayout->setSpacing(0); m_resultsLayout->setContentsMargins(0, 0, 0, 0); m_resultsFrame->setLayout(m_resultsLayout); m_resultsScroll->setWidget(m_resultsFrame); m_resultsFrame->show(); m_noResultsLabel = new QLabel(tr("<br> No results found")); m_resultsLayout->addWidget(m_noResultsLabel); m_noResultsLabel->hide(); m_beforeSearchLabel = new QLabel; m_resultsLayout->addWidget(m_beforeSearchLabel); m_beforeSearchLabel->hide(); QAction *up = new QAction(tr("Up"), this); up->setShortcut(tr("Up")); connect(up, SIGNAL(triggered()), this, SLOT(up())); addAction(up); QAction *down = new QAction(tr("Down"), this); down->setShortcut(tr("Down")); connect(down, SIGNAL(triggered()), this, SLOT(down())); addAction(down); QScreen *screen = QApplication::primaryScreen(); QRect available = screen->availableGeometry(); int width = available.width() / 2; int height = available.height() / 2; if (height < 450) { if (available.height() > 500) height = 450; } if (width < 600) { if (available.width() > 650) width = 600; } resize(width, height); raise(); setupBeforeSearchLabel(); m_upToDateCount = 0; m_timer = new QTimer(this); connect(m_timer, SIGNAL(timeout()), this, SLOT(timeout())); m_timer->start(30); } TransformFinder::~TransformFinder() { } void TransformFinder::setupBeforeSearchLabel() { bool haveInstalled = TransformFactory::getInstance()->haveInstalledTransforms(); bool haveUninstalled = TransformFactory::getInstance()->haveUninstalledTransforms(); m_beforeSearchLabel->setWordWrap(true); m_beforeSearchLabel->setOpenExternalLinks(true); m_beforeSearchLabel->setTextInteractionFlags(Qt::LinksAccessibleByMouse); m_beforeSearchLabel->setMargin(12); m_beforeSearchLabel->setFixedWidth(this->width() - 40); QString base = tr("<p>Type some text into the search box to search the descriptions of:<ul><li>All currently installed <a href=\"http://www.vamp-plugins.org/\">Vamp</a> audio feature extraction plugins</li><li>All currently installed <a href=\"http://www.ladspa.org/\">LADSPA</a> audio effects plugins</li><li>Vamp plugins that are not currently installed but that have descriptions published via the semantic web</li></ul>"); QString nopull = tr("<b>Unable to retrieve published descriptions from network!</b>"); QString noinst = tr("<b>No plugins are currently installed!</b>"); if (haveInstalled) { if (haveUninstalled) { m_beforeSearchLabel->setText(base); } else { m_beforeSearchLabel->setText (base + tr("<p>%1<br>Perhaps the network connection is down, services are responding too slowly, or a processing problem has occurred.<br>Only the descriptions of installed plugins will be searched.").arg(nopull)); } } else { if (haveUninstalled) { m_beforeSearchLabel->setText (base + tr("<p>%1<br>Only the published descriptions of Vamp feature extraction plugins will be searched.").arg(noinst)); } else { m_beforeSearchLabel->setText (base + tr("<p>%1<br>%2<br>Perhaps the network connection is down, or services are responding too slowly.<br>No search results will be available.").arg(noinst).arg(nopull)); } } m_beforeSearchLabel->show(); m_resultsFrame->resize(m_resultsFrame->sizeHint()); } void TransformFinder::searchTextChanged(const QString &text) { // cerr << "text is " << text << endl; m_newSearchText = text; } void TransformFinder::timeout() { int maxResults = 60; if (m_newSearchText != "") { QString text = m_newSearchText; m_newSearchText = ""; QStringList keywords = text.split(' ', QString::SkipEmptyParts); TransformFactory::SearchResults results = TransformFactory::getInstance()->search(keywords); // cerr << results.size() << " result(s)..." << endl; std::set<TextMatcher::Match> sorted; sorted.clear(); for (TransformFactory::SearchResults::const_iterator j = results.begin(); j != results.end(); ++j) { sorted.insert(j->second); } m_sortedResults.clear(); for (std::set<TextMatcher::Match>::const_iterator j = sorted.end(); j != sorted.begin(); ) { --j; m_sortedResults.push_back(*j); if ((int)m_sortedResults.size() == maxResults) break; } if (m_sortedResults.empty()) m_selectedTransform = ""; else m_selectedTransform = m_sortedResults.begin()->key; m_upToDateCount = 0; for (int j = (int)m_labels.size(); j > (int)m_sortedResults.size(); ) { m_labels[--j]->hide(); } m_beforeSearchLabel->hide(); if (m_sortedResults.empty()) { m_noResultsLabel->show(); m_resultsFrame->resize(m_resultsFrame->sizeHint()); } else { m_noResultsLabel->hide(); } if (m_sortedResults.size() < sorted.size()) { m_infoLabel->setText (tr("Found %n description(s) containing <b>%1</b>, showing the first %2 only", nullptr, int(sorted.size())).arg(text).arg(m_sortedResults.size())); } else { m_infoLabel->setText (tr("Found %n description(s) containing <b>%1</b>", nullptr, int(sorted.size())).arg(text)); } return; } if (m_upToDateCount >= (int)m_sortedResults.size()) return; while (m_upToDateCount < (int)m_sortedResults.size()) { int i = m_upToDateCount; // cerr << "sorted size = " << m_sortedResults.size() << endl; TransformDescription desc; TransformId tid = m_sortedResults[i].key; TransformFactory *factory = TransformFactory::getInstance(); TransformFactory::TransformInstallStatus status = factory->getTransformInstallStatus(tid); QString suffix; if (status == TransformFactory::TransformInstalled) { desc = factory->getTransformDescription(tid); } else { desc = factory->getUninstalledTransformDescription(tid); suffix = tr("<i> (not installed)</i>"); } QString labelText; labelText += tr("%1%2<br><small>") .arg(XmlExportable::encodeEntities(desc.name)) .arg(suffix); labelText += "..."; for (TextMatcher::Match::FragmentMap::const_iterator k = m_sortedResults[i].fragments.begin(); k != m_sortedResults[i].fragments.end(); ++k) { labelText += k->second; labelText += "... "; } labelText += tr("</small>"); QString selectedText; selectedText += tr("<b>%1</b>%2<br>") .arg(XmlExportable::encodeEntities (desc.name == "" ? desc.identifier : desc.name)) .arg(suffix); if (desc.longDescription != "") { selectedText += tr("<small>%1</small>") .arg(XmlExportable::encodeEntities(desc.longDescription)); } else if (desc.description != "") { selectedText += tr("<small>%1</small>") .arg(XmlExportable::encodeEntities(desc.description)); } selectedText += tr("<small>"); if (desc.type != TransformDescription::UnknownType) { selectedText += tr("<br> — Plugin type: %1") .arg(XmlExportable::encodeEntities(factory->getTransformTypeName(desc.type))); } if (desc.category != "") { selectedText += tr("<br> — Category: %1") .arg(XmlExportable::encodeEntities(desc.category)); } selectedText += tr("<br> — System identifier: %1") .arg(XmlExportable::encodeEntities(desc.identifier)); if (desc.infoUrl != "") { selectedText += tr("<br> — More information: <a href=\"%1\">%1</a>") .arg(desc.infoUrl); } selectedText += tr("</small>"); if (i >= (int)m_labels.size()) { SelectableLabel *label = new SelectableLabel(m_resultsFrame); m_resultsLayout->addWidget(label); connect(label, SIGNAL(selectionChanged()), this, SLOT(selectedLabelChanged())); connect(label, SIGNAL(doubleClicked()), this, SLOT(labelDoubleClicked())); QPalette palette = label->palette(); label->setPalette(palette); m_labels.push_back(label); } m_labels[i]->setObjectName(desc.identifier); m_labels[i]->setFixedWidth(this->width() - 40); m_labels[i]->setUnselectedText(labelText); // cerr << "selected text: " << selectedText << endl; m_labels[i]->setSelectedText(selectedText); m_labels[i]->setSelected(m_selectedTransform == desc.identifier); if (!m_labels[i]->isVisible()) m_labels[i]->show(); ++m_upToDateCount; if (i == 0) break; } m_resultsFrame->resize(m_resultsFrame->sizeHint()); } void TransformFinder::selectedLabelChanged() { QObject *s = sender(); m_selectedTransform = ""; for (int i = 0; i < (int)m_labels.size(); ++i) { if (!m_labels[i]->isVisible()) continue; if (m_labels[i] == s) { if (m_labels[i]->isSelected()) { m_selectedTransform = m_labels[i]->objectName(); } } else { if (m_labels[i]->isSelected()) { m_labels[i]->setSelected(false); } } } cerr << "selectedLabelChanged: selected transform is now \"" << m_selectedTransform << "\"" << endl; } void TransformFinder::labelDoubleClicked() { // The first click should have selected the label already if (TransformFactory::getInstance()->getTransformInstallStatus (m_selectedTransform) == TransformFactory::TransformInstalled) { accept(); } } TransformId TransformFinder::getTransform() const { return m_selectedTransform; } void TransformFinder::up() { for (int i = 0; i < (int)m_labels.size(); ++i) { if (!m_labels[i]->isVisible()) continue; if (m_labels[i]->objectName() == m_selectedTransform) { if (i > 0) { m_labels[i]->setSelected(false); m_labels[i-1]->setSelected(true); m_selectedTransform = m_labels[i-1]->objectName(); } return; } } } void TransformFinder::down() { for (int i = 0; i < (int)m_labels.size(); ++i) { if (!m_labels[i]->isVisible()) continue; if (m_labels[i]->objectName() == m_selectedTransform) { if (i+1 < (int)m_labels.size() && m_labels[i+1]->isVisible()) { m_labels[i]->setSelected(false); m_labels[i+1]->setSelected(true); m_selectedTransform = m_labels[i+1]->objectName(); } return; } } }