Merge pull request #3989 from evsh/filter-search

Implement search filters. Partially closes #972

src/base/utils/misc.cpp

@@ -86,7 +86,9 @@ static struct { const char *source; const char *comment; } units[] = {
     QT_TRANSLATE_NOOP3("misc", "KiB", "kibibytes (1024 bytes)"),
     QT_TRANSLATE_NOOP3("misc", "MiB", "mebibytes (1024 kibibytes)"),
     QT_TRANSLATE_NOOP3("misc", "GiB", "gibibytes (1024 mibibytes)"),
-    QT_TRANSLATE_NOOP3("misc", "TiB", "tebibytes (1024 gibibytes)")
+    QT_TRANSLATE_NOOP3("misc", "TiB", "tebibytes (1024 gibibytes)"),
+    QT_TRANSLATE_NOOP3("misc", "PiB", "pebibytes (1024 tebibytes)"),
+    QT_TRANSLATE_NOOP3("misc", "EiB", "exbibytes (1024 pebibytes)")
 };
 
 #ifndef DISABLE_GUI
@@ -318,30 +320,58 @@ QString Utils::Misc::pythonVersionComplete() {
     return version;
 }
 
-// return best userfriendly storage unit (B, KiB, MiB, GiB, TiB)
+QString Utils::Misc::unitString(Utils::Misc::SizeUnit unit)
+{
+    return QCoreApplication::translate("misc",
+         units[static_cast<int>(unit)].source, units[static_cast<int>(unit)].comment);
+}
+
+// return best userfriendly storage unit (B, KiB, MiB, GiB, TiB, ...)
 // use Binary prefix standards from IEC 60027-2
 // see http://en.wikipedia.org/wiki/Kilobyte
 // value must be given in bytes
 // to send numbers instead of strings with suffixes
-QString Utils::Misc::friendlyUnit(qreal val, bool is_speed)
+bool Utils::Misc::friendlyUnit(qint64 sizeInBytes, qreal &val, Utils::Misc::SizeUnit &unit)
 {
-    if (val < 0)
+    if (sizeInBytes < 0) return false;
-        return QCoreApplication::translate("misc", "Unknown", "Unknown (size)");
+
     int i = 0;
-    while(val >= 1024. && i < 4) {
+    qreal rawVal = static_cast<qreal>(sizeInBytes);
-        val /= 1024.;
+
+    while ((rawVal >= 1024.) && (i <= static_cast<int>(SizeUnit::ExbiByte))) {
+        rawVal /= 1024.;
         ++i;
     }
+    val = rawVal;
+    unit = static_cast<SizeUnit>(i);
+    return true;
+}
+
+QString Utils::Misc::friendlyUnit(qint64 bytesValue, bool isSpeed)
+{
+    SizeUnit unit;
+    qreal friendlyVal;
+    if (!friendlyUnit(bytesValue, friendlyVal, unit)) {
+        return QCoreApplication::translate("misc", "Unknown", "Unknown (size)");
+    }
     QString ret;
-    if (i == 0)
+    if (unit == SizeUnit::Byte)
-        ret = QString::number((long)val) + " " + QCoreApplication::translate("misc", units[0].source, units[0].comment);
+        ret = QString::number(bytesValue) + " " + unitString(unit);
     else
-        ret = Utils::String::fromDouble(val, 1) + " " + QCoreApplication::translate("misc", units[i].source, units[i].comment);
+        ret = Utils::String::fromDouble(friendlyVal, 1) + " " + unitString(unit);
-    if (is_speed)
+    if (isSpeed)
         ret += QCoreApplication::translate("misc", "/s", "per second");
     return ret;
 }
 
+qlonglong Utils::Misc::sizeInBytes(qreal size, Utils::Misc::SizeUnit unit)
+{
+    for (int i = 0; i < static_cast<int>(unit); ++i) {
+        size *= 1024;
+    }
+    return size;
+}
+
 bool Utils::Misc::isPreviewable(const QString& extension)
 {
     static QSet<QString> multimedia_extensions;

src/base/utils/misc.h

@@ -48,6 +48,22 @@ namespace Utils
 {
     namespace Misc
     {
+        // use binary prefix standards from IEC 60027-2
+        // see http://en.wikipedia.org/wiki/Kilobyte
+        enum class SizeUnit
+        {
+            Byte,       // 1024^0,
+            KibiByte,   // 1024^1,
+            MebiByte,   // 1024^2,
+            GibiByte,   // 1024^3,
+            TebiByte,   // 1024^4,
+            PebiByte,   // 1024^5,
+            ExbiByte    // 1024^6,
+            // int64 is used for sizes and thus the next units can not be handled
+            // ZebiByte,   // 1024^7,
+            // YobiByte,   // 1024^8
+        };
+
         QString parseHtmlLinks(const QString &raw_text);
         bool isUrl(const QString &s);
 
@@ -64,11 +80,15 @@ namespace Utils
         int pythonVersion();
         QString pythonExecutable();
         QString pythonVersionComplete();
+
+        QString unitString(SizeUnit unit);
+
         // return best user friendly storage unit (B, KiB, MiB, GiB, TiB)
-        // use Binary prefix standards from IEC 60027-2
-        // see http://en.wikipedia.org/wiki/Kilobyte
         // value must be given in bytes
-        QString friendlyUnit(qreal val, bool is_speed = false);
+        bool friendlyUnit(qint64 sizeInBytes, qreal& val, SizeUnit& unit);
+        QString friendlyUnit(qint64 bytesValue, bool isSpeed = false);
+        qint64 sizeInBytes(qreal size, SizeUnit unit);
+
         bool isPreviewable(const QString& extension);
 
         // Take a number of seconds and return an user-friendly

src/gui/gui.pri

@@ -113,6 +113,7 @@ FORMS += \
     $$PWD/torrentcreatordlg.ui \
     $$PWD/search/searchwidget.ui \
     $$PWD/search/pluginselectdlg.ui \
-    $$PWD/search/pluginsourcedlg.ui
+    $$PWD/search/pluginsourcedlg.ui \
+    $$PWD/search/searchtab.ui
 
 RESOURCES += $$PWD/about.qrc

src/gui/search/searchlistdelegate.cpp

@@ -56,7 +56,7 @@ void SearchListDelegate::paint(QPainter *painter, const QStyleOptionViewItem &op
         QItemDelegate::drawBackground(painter, opt, index);
         QItemDelegate::drawDisplay(painter, opt, option.rect, (index.data().toLongLong() >= 0) ? index.data().toString() : tr("Unknown"));
         break;
-    case SearchSortModel::LEECHS:
+    case SearchSortModel::LEECHES:
         QItemDelegate::drawBackground(painter, opt, index);
         QItemDelegate::drawDisplay(painter, opt, option.rect, (index.data().toLongLong() >= 0) ? index.data().toString() : tr("Unknown"));
         break;

src/gui/search/searchsortmodel.cpp

@@ -29,26 +29,136 @@
 #include "searchsortmodel.h"
 
 SearchSortModel::SearchSortModel(QObject *parent)
-    : QSortFilterProxyModel(parent)
+    : base(parent)
+    , m_isNameFilterEnabled(false)
+    , m_minSeeds(0)
+    , m_maxSeeds(-1)
+    , m_minLeeches(0)
+    , m_maxLeeches(-1)
+    , m_minSize(0)
+    , m_maxSize(-1)
 {
 }
 
+void SearchSortModel::enableNameFilter(bool enable)
+{
+    m_isNameFilterEnabled = enable;
+}
+
+void SearchSortModel::setNameFilter(const QString &searchTerm)
+{
+    m_searchTerm = searchTerm;
+    if (searchTerm.length() > 2
+        && searchTerm.startsWith(QLatin1Char('"')) && searchTerm.endsWith(QLatin1Char('"'))) {
+        m_searchTermWords = QStringList(m_searchTerm.mid(1, m_searchTerm.length() - 2));
+    }
+    else {
+        m_searchTermWords = searchTerm.split(QLatin1Char(' '), QString::SkipEmptyParts);
+    }
+}
+
+void SearchSortModel::setSizeFilter(qint64 minSize, qint64 maxSize)
+{
+    m_minSize = std::max(static_cast<qint64>(0), minSize);
+    m_maxSize = std::max(static_cast<qint64>(-1), maxSize);
+}
+
+void SearchSortModel::setSeedsFilter(int minSeeds, int maxSeeds)
+{
+    m_minSeeds = std::max(0, minSeeds);
+    m_maxSeeds = std::max(-1, maxSeeds);
+}
+
+void SearchSortModel::setLeechesFilter(int minLeeches, int maxLeeches)
+{
+    m_minLeeches = std::max(0, minLeeches);
+    m_maxLeeches = std::max(-1, maxLeeches);
+}
+
+bool SearchSortModel::isNameFilterEnabled() const
+{
+    return m_isNameFilterEnabled;
+}
+
+QString SearchSortModel::searchTerm() const
+{
+    return m_searchTerm;
+}
+
+int SearchSortModel::minSeeds() const
+{
+    return m_minSeeds;
+}
+
+int SearchSortModel::maxSeeds() const
+{
+    return m_maxSeeds;
+}
+
+qint64 SearchSortModel::minSize() const
+{
+    return m_minSize;
+}
+
+qint64 SearchSortModel::maxSize() const
+{
+    return m_maxSize;
+}
+
 bool SearchSortModel::lessThan(const QModelIndex &left, const QModelIndex &right) const
 {
     if ((sortColumn() == NAME) || (sortColumn() == ENGINE_URL)) {
         QVariant vL = sourceModel()->data(left);
         QVariant vR = sourceModel()->data(right);
         if (!(vL.isValid() && vR.isValid()))
-            return QSortFilterProxyModel::lessThan(left, right);
+            return base::lessThan(left, right);
         Q_ASSERT(vL.isValid());
         Q_ASSERT(vR.isValid());
 
         bool res = false;
         if (Utils::String::naturalSort(vL.toString(), vR.toString(), res))
             return res;
+    }
+
+    return base::lessThan(left, right);
+}
 
-        return QSortFilterProxyModel::lessThan(left, right);
+bool SearchSortModel::filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const
+{
+    const QAbstractItemModel* const sourceModel = this->sourceModel();
+    if (m_isNameFilterEnabled && !m_searchTerm.isEmpty()) {
+        QString name = sourceModel->data(sourceModel->index(sourceRow, NAME, sourceParent)).toString();
+        for (const QString& word: m_searchTermWords) {
+            int i = name.indexOf(word, 0, Qt::CaseInsensitive);
+            if (i == -1) {
+                return false;
+            }
+        }
+    }
+
+    if (m_minSize > 0 || m_maxSize >= 0) {
+        qlonglong size = sourceModel->data(sourceModel->index(sourceRow, SIZE, sourceParent)).toLongLong();
+        if ((m_minSize > 0 && size < m_minSize)
+            ||  (m_maxSize > 0 && size > m_maxSize)) {
+            return false;
+        }
+    }
+
+    if (m_minSeeds > 0 || m_maxSeeds >= 0) {
+        int seeds = sourceModel->data(sourceModel->index(sourceRow, SEEDS, sourceParent)).toInt();
+        if ((m_minSeeds > 0 && seeds < m_minSeeds)
+            ||  (m_maxSeeds > 0 && seeds > m_maxSeeds)) {
+            return false;
+        }
+    }
+
+    if (m_minLeeches > 0 || m_maxLeeches >= 0) {
+        int leeches = sourceModel->data(sourceModel->index(sourceRow, LEECHES, sourceParent)).toInt();
+        if ((m_minLeeches > 0 && leeches < m_minLeeches)
+            ||  (m_maxLeeches > 0 && leeches > m_maxLeeches)) {
+            return false;
+        }
     }
 
-    return QSortFilterProxyModel::lessThan(left, right);
+    return base::filterAcceptsRow(sourceRow, sourceParent);
 }

src/gui/search/searchsortmodel.h

@@ -30,17 +30,20 @@
 #define SEARCHSORTMODEL_H
 
 #include <QSortFilterProxyModel>
+#include <QStringList>
 #include "base/utils/string.h"
 
 class SearchSortModel: public QSortFilterProxyModel
 {
+    using base = QSortFilterProxyModel;
+
 public:
     enum SearchColumn
     {
         NAME,
         SIZE,
         SEEDS,
-        LEECHS,
+        LEECHES,
         ENGINE_URL,
         DL_LINK,
         DESC_LINK,
@@ -49,8 +52,45 @@ public:
 
     explicit SearchSortModel(QObject *parent = 0);
 
+    void enableNameFilter(bool enabled);
+    void setNameFilter(const QString& searchTerm = QString());
+
+    //! \brief Sets parameters for filtering by size
+    //! \param minSize minimal size in bytes
+    //! \param maxSize maximal size in bytes, negative value to disable filtering
+    void setSizeFilter(qint64 minSize, qint64 maxSize);
+
+    //! \brief Sets parameters for filtering by seeds number
+    //! \param minSeeds minimal number of seeders
+    //! \param maxSeeds maximal number of seeders, negative value to disable filtering
+    void setSeedsFilter(int minSeeds, int maxSeeds);
+
+    //! \brief Sets parameters for filtering by leeches number
+    //! \param minLeeches minimal number of leechers
+    //! \param maxLeeches maximal number of leechers, negative value to disable filtering
+    void setLeechesFilter(int minLeeches, int maxLeeches);
+
+    bool isNameFilterEnabled() const;
+
+    QString searchTerm() const;
+
+    int minSeeds() const;
+    int maxSeeds() const;
+
+    qint64 minSize() const;
+    qint64 maxSize() const;
+
 protected:
-    virtual bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
+    bool lessThan(const QModelIndex &left, const QModelIndex &right) const override;
+    bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override;
+
+private:
+    bool m_isNameFilterEnabled;
+    QString m_searchTerm;
+    QStringList m_searchTermWords;
+    int m_minSeeds, m_maxSeeds;
+    int m_minLeeches, m_maxLeeches;
+    qint64 m_minSize, m_maxSize;
 };
 
 #endif // SEARCHSORTMODEL_H

src/gui/search/searchtab.cpp

@@ -29,6 +29,7 @@
  */
 
 #include <QDir>
+#include <QMetaEnum>
 #include <QTreeView>
 #include <QStandardItemModel>
 #include <QHeaderView>
@@ -41,64 +42,91 @@
 
 #include "base/utils/misc.h"
 #include "base/preferences.h"
+#include "base/settingsstorage.h"
+#include "guiiconprovider.h"
 #include "searchsortmodel.h"
 #include "searchlistdelegate.h"
 #include "searchwidget.h"
 #include "searchtab.h"
+#include "ui_searchtab.h"
+
+namespace
+{
+#define SETTINGS_KEY(name) "Search/" name
+
+    const QString KEY_FILTER_MODE_SETTING_NAME = SETTINGS_KEY("FilteringMode");
+}
 
 SearchTab::SearchTab(SearchWidget *parent)
     : QWidget(parent)
+    , m_ui(new Ui::SearchTab())
     , m_parent(parent)
 {
-    m_box = new QVBoxLayout(this);
+    m_ui->setupUi(this);
-    m_resultsLbl = new QLabel(this);
+
-    m_resultsBrowser = new QTreeView(this);
 #ifdef QBT_USES_QT5
     // This hack fixes reordering of first column with Qt5.
     // https://github.com/qtproject/qtbase/commit/e0fc088c0c8bc61dbcaf5928b24986cd61a22777
     QTableView unused;
-    unused.setVerticalHeader(m_resultsBrowser->header());
+    unused.setVerticalHeader(m_ui->resultsBrowser->header());
-    m_resultsBrowser->header()->setParent(m_resultsBrowser);
+    m_ui->resultsBrowser->header()->setParent(m_ui->resultsBrowser);
     unused.setVerticalHeader(new QHeaderView(Qt::Horizontal));
 #endif
-    m_resultsBrowser->setSelectionMode(QAbstractItemView::ExtendedSelection);
+    m_ui->resultsBrowser->setSelectionMode(QAbstractItemView::ExtendedSelection);
-    m_box->addWidget(m_resultsLbl);
-    m_box->addWidget(m_resultsBrowser);
-
-    setLayout(m_box);
 
     // Set Search results list model
     m_searchListModel = new QStandardItemModel(0, SearchSortModel::NB_SEARCH_COLUMNS, this);
     m_searchListModel->setHeaderData(SearchSortModel::NAME, Qt::Horizontal, tr("Name", "i.e: file name"));
     m_searchListModel->setHeaderData(SearchSortModel::SIZE, Qt::Horizontal, tr("Size", "i.e: file size"));
     m_searchListModel->setHeaderData(SearchSortModel::SEEDS, Qt::Horizontal, tr("Seeders", "i.e: Number of full sources"));
-    m_searchListModel->setHeaderData(SearchSortModel::LEECHS, Qt::Horizontal, tr("Leechers", "i.e: Number of partial sources"));
+    m_searchListModel->setHeaderData(SearchSortModel::LEECHES, Qt::Horizontal, tr("Leechers", "i.e: Number of partial sources"));
     m_searchListModel->setHeaderData(SearchSortModel::ENGINE_URL, Qt::Horizontal, tr("Search engine"));
 
     m_proxyModel = new SearchSortModel(this);
     m_proxyModel->setDynamicSortFilter(true);
     m_proxyModel->setSourceModel(m_searchListModel);
-    m_resultsBrowser->setModel(m_proxyModel);
+    m_ui->resultsBrowser->setModel(m_proxyModel);
 
     m_searchDelegate = new SearchListDelegate(this);
-    m_resultsBrowser->setItemDelegate(m_searchDelegate);
+    m_ui->resultsBrowser->setItemDelegate(m_searchDelegate);
 
-    m_resultsBrowser->hideColumn(SearchSortModel::DL_LINK); // Hide url column
+    m_ui->resultsBrowser->hideColumn(SearchSortModel::DL_LINK); // Hide url column
-    m_resultsBrowser->hideColumn(SearchSortModel::DESC_LINK);
+    m_ui->resultsBrowser->hideColumn(SearchSortModel::DESC_LINK);
 
-    m_resultsBrowser->setRootIsDecorated(false);
+    m_ui->resultsBrowser->setRootIsDecorated(false);
-    m_resultsBrowser->setAllColumnsShowFocus(true);
+    m_ui->resultsBrowser->setAllColumnsShowFocus(true);
-    m_resultsBrowser->setSortingEnabled(true);
+    m_ui->resultsBrowser->setSortingEnabled(true);
 
     // Connect signals to slots (search part)
-    connect(m_resultsBrowser, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(downloadSelectedItem(const QModelIndex&)));
+    connect(m_ui->resultsBrowser, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(downloadSelectedItem(const QModelIndex&)));
 
     // Load last columns width for search results list
     if (!loadColWidthResultsList())
-        m_resultsBrowser->header()->resizeSection(0, 275);
+        m_ui->resultsBrowser->header()->resizeSection(0, 275);
 
     // Sort by Seeds
-    m_resultsBrowser->sortByColumn(SearchSortModel::SEEDS, Qt::DescendingOrder);
+    m_ui->resultsBrowser->sortByColumn(SearchSortModel::SEEDS, Qt::DescendingOrder);
+
+    fillFilterComboBoxes();
+
+    updateFilter();
+
+    connect(m_ui->filterMode, SIGNAL(currentIndexChanged(int)), this, SLOT(updateFilter()));
+    connect(m_ui->minSeeds, SIGNAL(editingFinished()), this, SLOT(updateFilter()));
+    connect(m_ui->minSeeds, SIGNAL(valueChanged(int)), this, SLOT(updateFilter()));
+    connect(m_ui->maxSeeds, SIGNAL(editingFinished()), this, SLOT(updateFilter()));
+    connect(m_ui->maxSeeds, SIGNAL(valueChanged(int)), this, SLOT(updateFilter()));
+    connect(m_ui->minSize, SIGNAL(editingFinished()), this, SLOT(updateFilter()));
+    connect(m_ui->minSize, SIGNAL(valueChanged(double)), this, SLOT(updateFilter()));
+    connect(m_ui->maxSize, SIGNAL(editingFinished()), this, SLOT(updateFilter()));
+    connect(m_ui->maxSize, SIGNAL(valueChanged(double)), this, SLOT(updateFilter()));
+    connect(m_ui->minSizeUnit, SIGNAL(currentIndexChanged(int)), this, SLOT(updateFilter()));
+    connect(m_ui->maxSizeUnit, SIGNAL(currentIndexChanged(int)), this, SLOT(updateFilter()));
+}
+
+SearchTab::~SearchTab()
+{
+    delete m_ui;
 }
 
 void SearchTab::downloadSelectedItem(const QModelIndex &index)
@@ -110,7 +138,7 @@ void SearchTab::downloadSelectedItem(const QModelIndex &index)
 
 QHeaderView* SearchTab::header() const
 {
-    return m_resultsBrowser->header();
+    return m_ui->resultsBrowser->header();
 }
 
 bool SearchTab::loadColWidthResultsList()
@@ -122,25 +150,18 @@ bool SearchTab::loadColWidthResultsList()
     if (widthList.size() > m_searchListModel->columnCount())
         return false;
 
-    unsigned int listSize = widthList.size();
+    for (int i = 0; i < widthList.size(); ++i)
-    for (unsigned int i = 0; i < listSize; ++i) {
+        m_ui->resultsBrowser->header()->resizeSection(i, widthList.at(i).toInt());
-        m_resultsBrowser->header()->resizeSection(i, widthList.at(i).toInt());
-    }
 
     return true;
 }
 
-QLabel* SearchTab::getCurrentLabel() const
-{
-    return m_resultsLbl;
-}
-
 QTreeView* SearchTab::getCurrentTreeView() const
 {
-    return m_resultsBrowser;
+    return m_ui->resultsBrowser;
 }
 
-QSortFilterProxyModel* SearchTab::getCurrentSearchListProxy() const
+SearchSortModel* SearchTab::getCurrentSearchListProxy() const
 {
     return m_proxyModel;
 }
@@ -154,19 +175,128 @@ QStandardItemModel* SearchTab::getCurrentSearchListModel() const
 void SearchTab::setRowColor(int row, QString color)
 {
     m_proxyModel->setDynamicSortFilter(false);
-    for (int i = 0; i < m_proxyModel->columnCount(); ++i) {
+    for (int i = 0; i < m_proxyModel->columnCount(); ++i)
         m_proxyModel->setData(m_proxyModel->index(row, i), QVariant(QColor(color)), Qt::ForegroundRole);
-    }
 
     m_proxyModel->setDynamicSortFilter(true);
 }
 
-QString SearchTab::status() const
+SearchTab::Status SearchTab::status() const
 {
     return m_status;
 }
 
-void SearchTab::setStatus(const QString &value)
+void SearchTab::setStatus(Status value)
 {
     m_status = value;
+    setStatusTip(statusText(value));
+    const int thisTabIndex = m_parent->searchTabs()->indexOf(this);
+    m_parent->searchTabs()->setTabToolTip(thisTabIndex, statusTip());
+    m_parent->searchTabs()->setTabIcon(thisTabIndex, GuiIconProvider::instance()->getIcon(statusIconName(value)));
+}
+
+void SearchTab::updateResultsCount()
+{
+    const int totalResults = getCurrentSearchListModel() ? getCurrentSearchListModel()->rowCount(QModelIndex()) : 0;
+    const int filteredResults = getCurrentSearchListProxy() ? getCurrentSearchListProxy()->rowCount(QModelIndex()) : totalResults;
+    m_ui->resultsLbl->setText(tr("Results (showing <i>%1</i> out of <i>%2</i>):", "i.e: Search results")
+                              .arg(filteredResults).arg(totalResults));
+}
+
+void SearchTab::updateFilter()
+{
+    using Utils::Misc::SizeUnit;
+    SearchSortModel* filterModel = getCurrentSearchListProxy();
+    filterModel->enableNameFilter(filteringMode() == OnlyNames);
+    // we update size and seeds filter parameters in the model even if they are disabled
+    filterModel->setSeedsFilter(m_ui->minSeeds->value(), m_ui->maxSeeds->value());
+    filterModel->setSizeFilter(
+        sizeInBytes(m_ui->minSize->value(), static_cast<SizeUnit>(m_ui->minSizeUnit->currentIndex())),
+        sizeInBytes(m_ui->maxSize->value(), static_cast<SizeUnit>(m_ui->maxSizeUnit->currentIndex())));
+
+    SettingsStorage::instance()->storeValue(KEY_FILTER_MODE_SETTING_NAME,
+                                            m_ui->filterMode->itemData(m_ui->filterMode->currentIndex()));
+
+    filterModel->invalidate();
+    updateResultsCount();
+}
+
+void SearchTab::fillFilterComboBoxes()
+{
+    using Utils::Misc::SizeUnit;
+    QStringList unitStrings;
+    unitStrings.append(unitString(SizeUnit::Byte));
+    unitStrings.append(unitString(SizeUnit::KibiByte));
+    unitStrings.append(unitString(SizeUnit::MebiByte));
+    unitStrings.append(unitString(SizeUnit::GibiByte));
+    unitStrings.append(unitString(SizeUnit::TebiByte));
+    unitStrings.append(unitString(SizeUnit::PebiByte));
+    unitStrings.append(unitString(SizeUnit::ExbiByte));
+
+    m_ui->minSizeUnit->clear();
+    m_ui->maxSizeUnit->clear();
+    m_ui->minSizeUnit->addItems(unitStrings);
+    m_ui->maxSizeUnit->addItems(unitStrings);
+
+    m_ui->minSize->setValue(0);
+    m_ui->minSizeUnit->setCurrentIndex(static_cast<int>(SizeUnit::MebiByte));
+
+    m_ui->maxSize->setValue(-1);
+    m_ui->maxSizeUnit->setCurrentIndex(static_cast<int>(SizeUnit::TebiByte));
+
+    m_ui->filterMode->clear();
+
+    QMetaEnum nameFilteringModeEnum =
+        this->metaObject()->enumerator(this->metaObject()->indexOfEnumerator("NameFilteringMode"));
+
+    m_ui->filterMode->addItem(tr("Torrent names only"), nameFilteringModeEnum.valueToKey(OnlyNames));
+    m_ui->filterMode->addItem(tr("Everywhere"), nameFilteringModeEnum.valueToKey(Everywhere));
+
+    QVariant selectedMode = SettingsStorage::instance()->loadValue(
+                KEY_FILTER_MODE_SETTING_NAME, nameFilteringModeEnum.valueToKey(OnlyNames));
+    int index = m_ui->filterMode->findData(selectedMode);
+    m_ui->filterMode->setCurrentIndex(index == -1 ? 0 : index);
+}
+
+QString SearchTab::statusText(SearchTab::Status st)
+{
+    switch (st) {
+    case Status::Ongoing:
+        return tr("Searching...");
+    case Status::Finished:
+        return tr("Search has finished");
+    case Status::Aborted:
+        return tr("Search aborted");
+    case Status::Error:
+        return tr("An error occurred during search...");
+    case Status::NoResults:
+        return tr("Search returned no results");
+    default:
+        return QString();
+    }
+}
+
+QString SearchTab::statusIconName(SearchTab::Status st)
+{
+    switch (st) {
+    case Status::Ongoing:
+        return QLatin1String("task-ongoing");
+    case Status::Finished:
+        return QLatin1String("task-complete");
+    case Status::Aborted:
+        return QLatin1String("task-reject");
+    case Status::Error:
+        return QLatin1String("task-attention");
+    case Status::NoResults:
+        return QLatin1String("task-attention");
+    default:
+        return QString();
+    }
+}
+
+SearchTab::NameFilteringMode SearchTab::filteringMode() const
+{
+    QMetaEnum metaEnum =
+        this->metaObject()->enumerator(this->metaObject()->indexOfEnumerator("NameFilteringMode"));
+    return static_cast<NameFilteringMode>(metaEnum.keyToValue(m_ui->filterMode->itemData(m_ui->filterMode->currentIndex()).toByteArray()));
 }

src/gui/search/searchtab.h

@@ -31,51 +31,86 @@
 #ifndef SEARCHTAB_H
 #define SEARCHTAB_H
 
+#include <QVariant> // I don't know why <QMetaType> is not enought for Qt's 4.8.7 moc
 #include <QWidget>
 
+#define ENGINE_URL_COLUMN 4
+#define URL_COLUMN 5
+
 class QLabel;
+class QModelIndex;
 class QTreeView;
 class QHeaderView;
 class QStandardItemModel;
-class QSortFilterProxyModel;
-class QModelIndex;
 class QVBoxLayout;
 
 class SearchSortModel;
 class SearchListDelegate;
 class SearchWidget;
 
+namespace Ui
+{
+    class SearchTab;
+}
+
 class SearchTab: public QWidget
 {
     Q_OBJECT
 
 public:
-    explicit SearchTab(SearchWidget *m_parent);
 
-    QLabel* getCurrentLabel() const;
+    enum NameFilteringMode
+    {
+        Everywhere,
+        OnlyNames
+    };
+
+    Q_ENUMS(NameFilteringMode)
+
+    explicit SearchTab(SearchWidget *parent);
+    ~SearchTab();
+
     QStandardItemModel* getCurrentSearchListModel() const;
-    QSortFilterProxyModel* getCurrentSearchListProxy() const;
+    SearchSortModel* getCurrentSearchListProxy() const;
     QTreeView* getCurrentTreeView() const;
     QHeaderView* header() const;
-    QString status() const;
 
     bool loadColWidthResultsList();
     void setRowColor(int row, QString color);
-    void setStatus(const QString &value);
+
+    enum class Status
+    {
+        Ongoing,
+        Finished,
+        Error,
+        Aborted,
+        NoResults
+    };
+
+    void setStatus(Status value);
+    Status status() const;
+
+    void updateResultsCount();
 
 private slots:
     void downloadSelectedItem(const QModelIndex &index);
+    void updateFilter();
 
 private:
-    QVBoxLayout *m_box;
+    void fillFilterComboBoxes();
-    QLabel *m_resultsLbl;
+    NameFilteringMode filteringMode() const;
+    static QString statusText(Status st);
+    static QString statusIconName(Status st);
+
+    Ui::SearchTab *m_ui;
     QTreeView *m_resultsBrowser;
     QStandardItemModel *m_searchListModel;
     SearchSortModel *m_proxyModel;
     SearchListDelegate *m_searchDelegate;
     SearchWidget *m_parent;
-    QString m_status;
+    Status m_status;
 };
 
-#endif // SEARCHTAB_H
+Q_DECLARE_METATYPE(SearchTab::NameFilteringMode)
 
+#endif // SEARCHTAB_H

src/gui/search/searchtab.ui

@@ -0,0 +1,250 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>SearchTab</class>
+ <widget class="QWidget" name="SearchTab">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>1216</width>
+    <height>364</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QLabel" name="resultsLbl">
+       <property name="text">
+        <string>Results(xxx)</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QLabel" name="label_5">
+       <property name="focusPolicy">
+        <enum>Qt::NoFocus</enum>
+       </property>
+       <property name="text">
+        <string>Search in:</string>
+       </property>
+       <property name="buddy">
+        <cstring>filterMode</cstring>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QComboBox" name="filterMode">
+       <property name="toolTip">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Some search engines search in torrent description and in torrent file names too. Whether such results will be shown in the list below is controlled by this mode.&lt;/p&gt;&lt;p&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Everywhere &lt;/span&gt;disables filtering and shows everyhing returned by the search engines.&lt;/p&gt;&lt;p&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Torrent names only&lt;/span&gt; shows only torrents whose names match the search query.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeType">
+        <enum>QSizePolicy::Minimum</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>12</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QLabel" name="label">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="toolTip">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Set minimal and maximal allowed number of seeders&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="text">
+        <string>Seeds:</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QSpinBox" name="minSeeds">
+       <property name="toolTip">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Minimal number of seeds&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="minimum">
+        <number>0</number>
+       </property>
+       <property name="maximum">
+        <number>1000</number>
+       </property>
+       <property name="value">
+        <number>0</number>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="label_4">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string>to</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QSpinBox" name="maxSeeds">
+       <property name="toolTip">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Maximal number of seeds&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="specialValueText">
+        <string>∞</string>
+       </property>
+       <property name="prefix">
+        <string/>
+       </property>
+       <property name="minimum">
+        <number>-1</number>
+       </property>
+       <property name="maximum">
+        <number>1000</number>
+       </property>
+       <property name="value">
+        <number>-1</number>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer_3">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeType">
+        <enum>QSizePolicy::Minimum</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>12</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QLabel" name="label_3">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="toolTip">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Set minimal and maximal allowed size of a torrent&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="text">
+        <string>Size:</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout_3">
+       <item>
+        <widget class="QDoubleSpinBox" name="minSize">
+         <property name="toolTip">
+          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Minimal torrent size&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+         </property>
+         <property name="minimum">
+          <double>0.000000000000000</double>
+         </property>
+         <property name="maximum">
+          <double>1000.000000000000000</double>
+         </property>
+         <property name="value">
+          <double>0.000000000000000</double>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QComboBox" name="minSizeUnit">
+         <property name="sizeAdjustPolicy">
+          <enum>QComboBox::AdjustToContents</enum>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <widget class="QLabel" name="label_2">
+       <property name="text">
+        <string>to</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout_4">
+       <item>
+        <widget class="QDoubleSpinBox" name="maxSize">
+         <property name="toolTip">
+          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Maximal torrent size&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+         </property>
+         <property name="specialValueText">
+          <string>∞</string>
+         </property>
+         <property name="minimum">
+          <double>-1.000000000000000</double>
+         </property>
+         <property name="maximum">
+          <double>1000.000000000000000</double>
+         </property>
+         <property name="value">
+          <double>1000.000000000000000</double>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QComboBox" name="maxSizeUnit">
+         <property name="currentIndex">
+          <number>-1</number>
+         </property>
+         <property name="sizeAdjustPolicy">
+          <enum>QComboBox::AdjustToContents</enum>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QTreeView" name="resultsBrowser"/>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

src/gui/search/searchwidget.cpp

@@ -45,6 +45,7 @@
 #include <QClipboard>
 #include <QProcess>
 #include <QDebug>
+#include <QTextStream>
 
 #include <iostream>
 #ifdef Q_OS_WIN
@@ -74,7 +75,6 @@ SearchWidget::SearchWidget(MainWindow *mainWindow)
     , m_mainWindow(mainWindow)
     , m_isNewQueryString(false)
     , m_noSearchResults(true)
-    , m_nbSearchResults(0)
 {
     setupUi(this);
 
@@ -82,6 +82,26 @@ SearchWidget::SearchWidget(MainWindow *mainWindow)
     searchBarLayout->insertWidget(0, m_searchPattern);
     connect(m_searchPattern, SIGNAL(returnPressed()), searchButton, SLOT(click()));
 
+    QString searchPatternHint;
+    QTextStream stream(&searchPatternHint, QIODevice::WriteOnly);
+
+    stream << "<html><head/><body><p>"
+           << tr("A phrase to search for.") << "<br>"
+           << tr("Spaces in a search term may be protected by double quotes.")
+           << "</p><p>"
+           << tr("Example:", "Search phrase example")
+           << "<br>"
+           << tr("<b>foo bar</b>: search for <b>foo</b> and <b>bar</b>",
+                 "Search phrase example, illustrates quotes usage, a pair of "
+                 "space delimited words, individal words are highlighted")
+           << "<br>"
+           << tr("<b>&quot;foo bar&quot;</b>: search for <b>foo bar</b>",
+                 "Search phrase example, illustrates quotes usage, double quoted"
+                 "pair of space delimited words, the whole pair is highlighted")
+           << "</p></body></html>" << flush;
+
+    m_searchPattern->setToolTip(searchPatternHint);
+
     // Icons
     searchButton->setIcon(GuiIconProvider::instance()->getIcon("edit-find"));
     downloadButton->setIcon(GuiIconProvider::instance()->getIcon("download"));
@@ -158,7 +178,6 @@ void SearchWidget::tab_changed(int t)
             goToDescBtn->setEnabled(false);
             copyURLBtn->setEnabled(false);
         }
-        searchStatus->setText(m_currentSearchTab->status());
     }
 }
 
@@ -187,6 +206,11 @@ void SearchWidget::giveFocusToSearchInput()
     m_searchPattern->setFocus();
 }
 
+QTabWidget *SearchWidget::searchTabs() const
+{
+    return tabWidget;
+}
+
 // Function called when we click on search button
 void SearchWidget::on_searchButton_clicked()
 {
@@ -222,6 +246,7 @@ void SearchWidget::on_searchButton_clicked()
     tabName.replace(QRegExp("&{1}"), "&&");
     tabWidget->addTab(m_currentSearchTab, tabName);
     tabWidget->setCurrentWidget(m_currentSearchTab);
+    m_currentSearchTab->getCurrentSearchListProxy()->setNameFilter(pattern);
 
     QStringList plugins;
     if (selectedPlugin() == "all") plugins = m_searchEngine->allPlugins();
@@ -233,10 +258,9 @@ void SearchWidget::on_searchButton_clicked()
 
     // Update SearchEngine widgets
     m_noSearchResults = true;
-    m_nbSearchResults = 0;
 
     // Changing the text of the current label
-    m_activeSearchTab->getCurrentLabel()->setText(tr("Results <i>(%1)</i>:", "i.e: Search results").arg(0));
+    m_activeSearchTab->updateResultsCount();
 
     // Launch search
     m_searchEngine->startSearch(pattern, selectedCategory(), plugins);
@@ -268,9 +292,7 @@ void SearchWidget::downloadTorrent(QString url)
 void SearchWidget::searchStarted()
 {
     // Update SearchEngine widgets
-    m_activeSearchTab->setStatus(tr("Searching..."));
+    m_activeSearchTab->setStatus(SearchTab::Status::Ongoing);
-    searchStatus->setText(m_currentSearchTab->status());
-    searchStatus->repaint();
     searchButton->setText(tr("Stop"));
 }
 
@@ -285,13 +307,12 @@ void SearchWidget::searchFinished(bool cancelled)
     if (m_activeSearchTab.isNull()) return; // The active tab was closed
 
     if (cancelled)
-        m_activeSearchTab->setStatus(tr("Search aborted"));
+        m_activeSearchTab->setStatus(SearchTab::Status::Aborted);
     else if (m_noSearchResults)
-        m_activeSearchTab->setStatus(tr("Search returned no results"));
+        m_activeSearchTab->setStatus(SearchTab::Status::NoResults);
     else
-        m_activeSearchTab->setStatus(tr("Search has finished"));
+        m_activeSearchTab->setStatus(SearchTab::Status::Finished);
 
-    searchStatus->setText(m_currentSearchTab->status());
     m_activeSearchTab = 0;
     searchButton->setText(tr("Search"));
 }
@@ -304,9 +325,9 @@ void SearchWidget::searchFailed()
     if (m_activeSearchTab.isNull()) return; // The active tab was closed
 
 #ifdef Q_OS_WIN
-    m_activeSearchTab->setStatus(tr("Search aborted"));
+    m_activeSearchTab->setStatus(SearchTab::Status::Aborted);
 #else
-    m_activeSearchTab->setStatus(tr("An error occurred during search..."));
+    m_activeSearchTab->setStatus(SearchTab::Status::Error);
 #endif
 }
 
@@ -331,14 +352,13 @@ void SearchWidget::appendSearchResults(const QList<SearchResult> &results)
         curModel->setData(curModel->index(row, SearchSortModel::NAME), result.fileName); // Name
         curModel->setData(curModel->index(row, SearchSortModel::SIZE), result.fileSize); // Size
         curModel->setData(curModel->index(row, SearchSortModel::SEEDS), result.nbSeeders); // Seeders
-        curModel->setData(curModel->index(row, SearchSortModel::LEECHS), result.nbLeechers); // Leechers
+        curModel->setData(curModel->index(row, SearchSortModel::LEECHES), result.nbLeechers); // Leechers
         curModel->setData(curModel->index(row, SearchSortModel::ENGINE_URL), result.siteUrl); // Search site URL
         curModel->setData(curModel->index(row, SearchSortModel::DESC_LINK), result.descrLink); // Description Link
     }
 
     m_noSearchResults = false;
-    m_nbSearchResults += results.size();
+    m_activeSearchTab->updateResultsCount();
-    m_activeSearchTab->getCurrentLabel()->setText(tr("Results <i>(%1)</i>:", "i.e: Search results").arg(m_nbSearchResults));
 
     // Enable clear & download buttons
     downloadButton->setEnabled(true);
@@ -361,7 +381,6 @@ void SearchWidget::closeTab(int index)
     if (!m_allTabs.size()) {
         downloadButton->setEnabled(false);
         goToDescBtn->setEnabled(false);
-        searchStatus->setText(tr("Stopped"));
         copyURLBtn->setEnabled(false);
     }
 }

src/gui/search/searchwidget.h

@@ -55,6 +55,8 @@ public:
     void downloadTorrent(QString url);
     void giveFocusToSearchInput();
 
+    QTabWidget* searchTabs() const;
+
 private slots:
     // Search slots
     void tab_changed(int); //to prevent the use of the download button when the tab is empty
@@ -89,7 +91,6 @@ private:
     bool m_isNewQueryString;
     bool m_noSearchResults;
     QByteArray m_searchResultLineTruncated;
-    unsigned long m_nbSearchResults;
 };
 
 #endif // SEARCHWIDGET_H

src/gui/search/searchwidget.ui

@@ -6,14 +6,14 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>820</width>
+    <width>1382</width>
-    <height>453</height>
+    <height>669</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Search</string>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout">
+  <layout class="QVBoxLayout" name="verticalLayout_2">
    <item>
     <layout class="QHBoxLayout" name="searchBarLayout">
      <item>
@@ -32,68 +32,15 @@
     </layout>
    </item>
    <item>
-    <layout class="QHBoxLayout" name="horizontalLayout_2">
+    <widget class="QTabWidget" name="tabWidget">
-     <item>
+     <property name="sizePolicy">
-      <widget class="QLabel" name="status_lbl">
+      <sizepolicy hsizetype="Expanding" vsizetype="MinimumExpanding">
-       <property name="maximumSize">
+       <horstretch>0</horstretch>
-        <size>
+       <verstretch>1</verstretch>
-         <width>16777215</width>
+      </sizepolicy>
-         <height>35</height>
-        </size>
-       </property>
-       <property name="font">
-        <font>
-         <weight>75</weight>
-         <bold>true</bold>
-        </font>
-       </property>
-       <property name="text">
-        <string>Status:</string>
      </property>
     </widget>
    </item>
-     <item>
-      <widget class="QLabel" name="searchStatus">
-       <property name="minimumSize">
-        <size>
-         <width>200</width>
-         <height>0</height>
-        </size>
-       </property>
-       <property name="maximumSize">
-        <size>
-         <width>16777215</width>
-         <height>35</height>
-        </size>
-       </property>
-       <property name="font">
-        <font>
-         <italic>true</italic>
-        </font>
-       </property>
-       <property name="text">
-        <string>Stopped</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <spacer>
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>188</width>
-         <height>21</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-    </layout>
-   </item>
-   <item>
-    <widget class="QTabWidget" name="tabWidget"/>
-   </item>
    <item>
     <layout class="QVBoxLayout">
      <item>

src/icons.qrc

@@ -306,6 +306,9 @@
   <file>icons/oxygen/services.png</file>
   <file>icons/oxygen/tab-close.png</file>
   <file>icons/oxygen/task-attention.png</file>
+  <file>icons/oxygen/task-complete.png</file>
+  <file>icons/oxygen/task-ongoing.png</file>
+  <file>icons/oxygen/task-reject.png</file>
   <file>icons/oxygen/text-plain.png</file>
   <file>icons/oxygen/tools-report-bug.png</file>
   <file>icons/oxygen/unavailable.png</file>