]> cloud.milkyroute.net Git - dolphin.git/blobdiff - src/search/dolphinsearchbox.cpp
Merge branch 'Applications/17.04'
[dolphin.git] / src / search / dolphinsearchbox.cpp
index d65eb5b7ca6fc256a2e6b954f748c91e40267045..c6943c60881c6dcfe8fc6c5bf2b3729e318d3742 100644 (file)
 #include "dolphinsearchbox.h"
 
 #include "dolphin_searchsettings.h"
-#include "dolphinsearchinformation.h"
+#include "dolphinfacetswidget.h"
 
-#include <KIcon>
-#include <KLineEdit>
-#include <KLocale>
+#include <QIcon>
+#include <QLineEdit>
+#include <KLocalizedString>
 #include <KSeparator>
+#include <KNS3/KMoreToolsMenuFactory>
 
 #include <QButtonGroup>
 #include <QDir>
 #include <QEvent>
-#include <QFormLayout>
 #include <QHBoxLayout>
 #include <QKeyEvent>
 #include <QLabel>
 #include <QTimer>
 #include <QToolButton>
 #include <QVBoxLayout>
+#include <QUrlQuery>
 
-#include <config-nepomuk.h>
-#ifdef HAVE_NEPOMUK
-    #include <Nepomuk/Query/FileQuery>
-    #include <Nepomuk/Query/LiteralTerm>
-    #include <Nepomuk/Query/OrTerm>
-    #include <Nepomuk/Query/Query>
-    #include <Nepomuk/Query/QueryParser>
-    #include <Nepomuk/Query/ResourceTypeTerm>
-    #include <Nepomuk/Query/ComparisonTerm>
-    #include <Nepomuk/ResourceManager>
-    #include <Nepomuk/Vocabulary/NFO>
+#include <config-baloo.h>
+#ifdef HAVE_BALOO
+    #include <Baloo/Query>
+    #include <Baloo/IndexerConfig>
 #endif
+#include <QFontDatabase>
 
 DolphinSearchBox::DolphinSearchBox(QWidget* parent) :
     QWidget(parent),
     m_startedSearching(false),
-    m_readOnly(false),
+    m_active(true),
     m_topLayout(0),
     m_searchLabel(0),
     m_searchInput(0),
@@ -65,8 +60,9 @@ DolphinSearchBox::DolphinSearchBox(QWidget* parent) :
     m_separator(0),
     m_fromHereButton(0),
     m_everywhereButton(0),
+    m_facetsToggleButton(0),
+    m_facetsWidget(0),
     m_searchPath(),
-    m_readOnlyQuery(),
     m_startSearchTimer(0)
 {
 }
@@ -86,47 +82,60 @@ QString DolphinSearchBox::text() const
     return m_searchInput->text();
 }
 
-void DolphinSearchBox::setSearchPath(const KUrl& url)
+void DolphinSearchBox::setSearchPath(const QUrl& url)
 {
     m_searchPath = url;
 
     QFontMetrics metrics(m_fromHereButton->font());
-    const int maxWidth = metrics.averageCharWidth() * 15;
+    const int maxWidth = metrics.height() * 8;
 
     QString location = url.fileName();
     if (location.isEmpty()) {
         if (url.isLocalFile()) {
-            location = QLatin1String("/");
+            location = QStringLiteral("/");
         } else {
-            location = url.protocol() + QLatin1String(" - ") + url.host();
+            location = url.scheme() + QLatin1String(" - ") + url.host();
         }
     }
 
     const QString elidedLocation = metrics.elidedText(location, Qt::ElideMiddle, maxWidth);
     m_fromHereButton->setText(i18nc("action:button", "From Here (%1)", elidedLocation));
 
-    const bool showSearchFromButtons = url.isLocalFile() && !m_readOnly;
+    const bool showSearchFromButtons = url.isLocalFile();
     m_separator->setVisible(showSearchFromButtons);
     m_fromHereButton->setVisible(showSearchFromButtons);
     m_everywhereButton->setVisible(showSearchFromButtons);
+
+    bool hasFacetsSupport = false;
+#ifdef HAVE_BALOO
+    const Baloo::IndexerConfig searchInfo;
+    hasFacetsSupport = searchInfo.fileIndexingEnabled() && searchInfo.shouldBeIndexed(m_searchPath.toLocalFile());
+#endif
+    m_facetsWidget->setEnabled(hasFacetsSupport);
 }
 
-KUrl DolphinSearchBox::searchPath() const
+QUrl DolphinSearchBox::searchPath() const
 {
     return m_searchPath;
 }
 
-KUrl DolphinSearchBox::urlForSearching() const
+QUrl DolphinSearchBox::urlForSearching() const
 {
-    KUrl url;
-    const DolphinSearchInformation& searchInfo = DolphinSearchInformation::instance();
-    if (searchInfo.isIndexingEnabled() && searchInfo.isPathIndexed(m_searchPath)) {
-        url = nepomukUrlForSearching();
+    QUrl url;
+    bool useBalooSearch = false;
+#ifdef HAVE_BALOO
+    const Baloo::IndexerConfig searchInfo;
+    useBalooSearch = searchInfo.fileIndexingEnabled() && searchInfo.shouldBeIndexed(m_searchPath.toLocalFile());
+#endif
+    if (useBalooSearch) {
+        url = balooUrlForSearching();
     } else {
-        url.setProtocol("filenamesearch");
-        url.addQueryItem("search", m_searchInput->text());
+        url.setScheme(QStringLiteral("filenamesearch"));
+
+        QUrlQuery query;
+        query.addQueryItem(QStringLiteral("search"), m_searchInput->text());
         if (m_contentButton->isChecked()) {
-            url.addQueryItem("checkContent", "yes");
+            query.addQueryItem(QStringLiteral("checkContent"), QStringLiteral("yes"));
         }
 
         QString encodedUrl;
@@ -138,29 +147,48 @@ KUrl DolphinSearchBox::urlForSearching() const
         } else {
             encodedUrl = m_searchPath.url();
         }
-        url.addQueryItem("url", encodedUrl);
+        query.addQueryItem(QStringLiteral("url"), encodedUrl);
+
+        url.setQuery(query);
     }
 
     return url;
 }
 
+void DolphinSearchBox::fromSearchUrl(const QUrl& url)
+{
+    if (url.scheme() == QLatin1String("baloosearch")) {
+        fromBalooSearchUrl(url);
+    } else if (url.scheme() == QLatin1String("filenamesearch")) {
+        const QUrlQuery query(url);
+        setText(query.queryItemValue(QStringLiteral("search")));
+        setSearchPath(QUrl::fromUserInput(query.queryItemValue(QStringLiteral("url")), QString(), QUrl::AssumeLocalFile));
+        m_contentButton->setChecked(query.queryItemValue(QStringLiteral("checkContent")) == QLatin1String("yes"));
+    } else {
+        setText(QString());
+        setSearchPath(url);
+    }
+}
+
 void DolphinSearchBox::selectAll()
 {
     m_searchInput->selectAll();
 }
 
-void DolphinSearchBox::setReadOnly(bool readOnly, const KUrl& query)
+void DolphinSearchBox::setActive(bool active)
 {
-    if (m_readOnly != readOnly) {
-        m_readOnly = readOnly;
-        m_readOnlyQuery = query;
-        applyReadOnlyState();
+    if (active != m_active) {
+        m_active = active;
+
+        if (active) {
+            emit activated();
+        }
     }
 }
 
-bool DolphinSearchBox::isReadOnly() const
+bool DolphinSearchBox::isActive() const
 {
-    return m_readOnly;
+    return m_active;
 }
 
 bool DolphinSearchBox::event(QEvent* event)
@@ -179,6 +207,13 @@ void DolphinSearchBox::showEvent(QShowEvent* event)
     }
 }
 
+void DolphinSearchBox::hideEvent(QHideEvent* event)
+{
+    Q_UNUSED(event);
+    m_startedSearching = false;
+    m_startSearchTimer->stop();
+}
+
 void DolphinSearchBox::keyReleaseEvent(QKeyEvent* event)
 {
     QWidget::keyReleaseEvent(event);
@@ -191,49 +226,86 @@ void DolphinSearchBox::keyReleaseEvent(QKeyEvent* event)
     }
 }
 
-void DolphinSearchBox::emitSearchSignal()
+bool DolphinSearchBox::eventFilter(QObject* obj, QEvent* event)
 {
-    m_startSearchTimer->stop();
-    m_startedSearching = true;
-    emit search(m_searchInput->text());
+    switch (event->type()) {
+    case QEvent::FocusIn:
+        // #379135: we get the FocusIn event when we close a tab but we don't want to emit
+        // the activated() signal before the removeTab() call in DolphinTabWidget::closeTab() returns.
+        // To avoid this issue, we delay the activation of the search box.
+        QTimer::singleShot(0, this, [this] {
+            setActive(true);
+            setFocus();
+        });
+        break;
+
+    default:
+        break;
+    }
+
+    return QObject::eventFilter(obj, event);
 }
 
-void DolphinSearchBox::slotSearchLocationChanged()
+void DolphinSearchBox::emitSearchRequest()
 {
-    emit searchLocationChanged(m_fromHereButton->isChecked() ? SearchFromHere : SearchEverywhere);
+    m_startSearchTimer->stop();
+    m_startedSearching = true;
+    emit searchRequest();
 }
 
-void DolphinSearchBox::slotSearchContextChanged()
+void DolphinSearchBox::emitCloseRequest()
 {
-    emit searchContextChanged(m_fileNameButton->isChecked() ? SearchFileName : SearchContent);
+    m_startSearchTimer->stop();
+    m_startedSearching = false;
+    emit closeRequest();
 }
 
 void DolphinSearchBox::slotConfigurationChanged()
 {
     saveSettings();
     if (m_startedSearching) {
-        emitSearchSignal();
+        emitSearchRequest();
     }
 }
 
 void DolphinSearchBox::slotSearchTextChanged(const QString& text)
 {
-    m_startSearchTimer->start();
+
+    if (text.isEmpty()) {
+        m_startSearchTimer->stop();
+    } else {
+        m_startSearchTimer->start();
+    }
     emit searchTextChanged(text);
 }
 
-void DolphinSearchBox::slotReturnPressed(const QString& text)
+void DolphinSearchBox::slotReturnPressed()
+{
+    emitSearchRequest();
+    emit returnPressed();
+}
+
+void DolphinSearchBox::slotFacetsButtonToggled()
 {
-    emitSearchSignal();
-    emit returnPressed(text);
+    const bool facetsIsVisible = !m_facetsWidget->isVisible();
+    m_facetsWidget->setVisible(facetsIsVisible);
+    updateFacetsToggleButton();
+}
+
+void DolphinSearchBox::slotFacetChanged()
+{
+    m_startedSearching = true;
+    m_startSearchTimer->stop();
+    emit searchRequest();
 }
 
 void DolphinSearchBox::initButton(QToolButton* button)
 {
+    button->installEventFilter(this);
     button->setAutoExclusive(true);
     button->setAutoRaise(true);
     button->setCheckable(true);
-    connect(button, SIGNAL(clicked(bool)), this, SLOT(slotConfigurationChanged()));
+    connect(button, &QToolButton::clicked, this, &DolphinSearchBox::slotConfigurationChanged);
 }
 
 void DolphinSearchBox::loadSettings()
@@ -249,13 +321,16 @@ void DolphinSearchBox::loadSettings()
     } else {
         m_fileNameButton->setChecked(true);
     }
+
+    m_facetsWidget->setVisible(SearchSettings::showFacetsWidget());
 }
 
 void DolphinSearchBox::saveSettings()
 {
-    SearchSettings::setLocation(m_fromHereButton->isChecked() ? "FromHere" : "Everywhere");
-    SearchSettings::setWhat(m_fileNameButton->isChecked() ? "FileName" : "Content");
-    SearchSettings::self()->writeConfig();
+    SearchSettings::setLocation(m_fromHereButton->isChecked() ? QStringLiteral("FromHere") : QStringLiteral("Everywhere"));
+    SearchSettings::setWhat(m_fileNameButton->isChecked() ? QStringLiteral("FileName") : QStringLiteral("Content"));
+    SearchSettings::setShowFacetsWidget(m_facetsToggleButton->isChecked());
+    SearchSettings::self()->save();
 }
 
 void DolphinSearchBox::init()
@@ -263,22 +338,23 @@ void DolphinSearchBox::init()
     // Create close button
     QToolButton* closeButton = new QToolButton(this);
     closeButton->setAutoRaise(true);
-    closeButton->setIcon(KIcon("dialog-close"));
+    closeButton->setIcon(QIcon::fromTheme(QStringLiteral("dialog-close")));
     closeButton->setToolTip(i18nc("@info:tooltip", "Quit searching"));
-    connect(closeButton, SIGNAL(clicked()), SIGNAL(closeRequest()));
+    connect(closeButton, &QToolButton::clicked, this, &DolphinSearchBox::emitCloseRequest);
 
     // Create search label
     m_searchLabel = new QLabel(this);
 
     // Create search box
-    m_searchInput = new KLineEdit(this);
-    m_searchInput->setClearButtonShown(true);
-    m_searchInput->setFont(KGlobalSettings::generalFont());
+    m_searchInput = new QLineEdit(this);
+    m_searchInput->installEventFilter(this);
+    m_searchInput->setClearButtonEnabled(true);
+    m_searchInput->setFont(QFontDatabase::systemFont(QFontDatabase::GeneralFont));
+    connect(m_searchInput, &QLineEdit::returnPressed,
+            this, &DolphinSearchBox::slotReturnPressed);
+    connect(m_searchInput, &QLineEdit::textChanged,
+            this, &DolphinSearchBox::slotSearchTextChanged);
     setFocusProxy(m_searchInput);
-    connect(m_searchInput, SIGNAL(returnPressed(QString)),
-            this, SLOT(slotReturnPressed(QString)));
-    connect(m_searchInput, SIGNAL(textChanged(QString)),
-            this, SLOT(slotSearchTextChanged(QString)));
 
     // Apply layout for the search input
     QHBoxLayout* searchInputLayout = new QHBoxLayout();
@@ -294,13 +370,11 @@ void DolphinSearchBox::init()
 
     m_contentButton = new QToolButton();
     m_contentButton->setText(i18nc("action:button", "Content"));
-    initButton(m_contentButton);;
+    initButton(m_contentButton);
 
     QButtonGroup* searchWhatGroup = new QButtonGroup(this);
     searchWhatGroup->addButton(m_fileNameButton);
     searchWhatGroup->addButton(m_contentButton);
-    connect(m_fileNameButton, SIGNAL(clicked()), this, SLOT(slotSearchContextChanged()));
-    connect(m_contentButton, SIGNAL(clicked()), this, SLOT(slotSearchContextChanged()));
 
     m_separator = new KSeparator(Qt::Vertical, this);
 
@@ -316,8 +390,31 @@ void DolphinSearchBox::init()
     QButtonGroup* searchLocationGroup = new QButtonGroup(this);
     searchLocationGroup->addButton(m_fromHereButton);
     searchLocationGroup->addButton(m_everywhereButton);
-    connect(m_fromHereButton, SIGNAL(clicked()), this, SLOT(slotSearchLocationChanged()));
-    connect(m_everywhereButton, SIGNAL(clicked()), this, SLOT(slotSearchLocationChanged()));
+
+    auto moreSearchToolsButton = new QToolButton(this);
+    moreSearchToolsButton->setAutoRaise(true);
+    moreSearchToolsButton->setPopupMode(QToolButton::InstantPopup);
+    moreSearchToolsButton->setIcon(QIcon::fromTheme("arrow-down-double"));
+    moreSearchToolsButton->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
+    moreSearchToolsButton->setText(i18n("More Search Tools"));
+    moreSearchToolsButton->setMenu(new QMenu(this));
+    connect(moreSearchToolsButton->menu(), &QMenu::aboutToShow, moreSearchToolsButton->menu(), [this, moreSearchToolsButton]()
+    {
+        m_menuFactory.reset(new KMoreToolsMenuFactory("dolphin/search-tools"));
+        moreSearchToolsButton->menu()->clear();
+        m_menuFactory->fillMenuFromGroupingNames(moreSearchToolsButton->menu(), { "files-find" }, this->m_searchPath);
+    } );
+
+    // Create "Facets" widgets
+    m_facetsToggleButton = new QToolButton(this);
+    m_facetsToggleButton->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
+    initButton(m_facetsToggleButton);
+    connect(m_facetsToggleButton, &QToolButton::clicked, this, &DolphinSearchBox::slotFacetsButtonToggled);
+
+    m_facetsWidget = new DolphinFacetsWidget(this);
+    m_facetsWidget->installEventFilter(this);
+    m_facetsWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Maximum);
+    connect(m_facetsWidget, &DolphinFacetsWidget::facetChanged, this, &DolphinSearchBox::slotFacetChanged);
 
     // Apply layout for the options
     QHBoxLayout* optionsLayout = new QHBoxLayout();
@@ -327,6 +424,9 @@ void DolphinSearchBox::init()
     optionsLayout->addWidget(m_separator);
     optionsLayout->addWidget(m_fromHereButton);
     optionsLayout->addWidget(m_everywhereButton);
+    optionsLayout->addWidget(new KSeparator(Qt::Vertical, this));
+    optionsLayout->addWidget(m_facetsToggleButton);
+    optionsLayout->addWidget(moreSearchToolsButton);
     optionsLayout->addStretch(1);
 
     // Put the options into a QScrollArea. This prevents increasing the view width
@@ -347,6 +447,7 @@ void DolphinSearchBox::init()
     m_topLayout->setMargin(0);
     m_topLayout->addLayout(searchInputLayout);
     m_topLayout->addWidget(m_optionsScrollArea);
+    m_topLayout->addWidget(m_facetsWidget);
 
     loadSettings();
 
@@ -355,64 +456,89 @@ void DolphinSearchBox::init()
     m_startSearchTimer = new QTimer(this);
     m_startSearchTimer->setSingleShot(true);
     m_startSearchTimer->setInterval(1000);
-    connect(m_startSearchTimer, SIGNAL(timeout()), this, SLOT(emitSearchSignal()));
+    connect(m_startSearchTimer, &QTimer::timeout, this, &DolphinSearchBox::emitSearchRequest);
 
-    applyReadOnlyState();
+    updateFacetsToggleButton();
 }
 
-KUrl DolphinSearchBox::nepomukUrlForSearching() const
+QUrl DolphinSearchBox::balooUrlForSearching() const
 {
-#ifdef HAVE_NEPOMUK
-    Nepomuk::Query::Term term;
-
+#ifdef HAVE_BALOO
     const QString text = m_searchInput->text();
 
-    if (m_contentButton->isChecked()) {
-        // Let Nepomuk parse the query
-        term = Nepomuk::Query::QueryParser::parseQuery(text, Nepomuk::Query::QueryParser::DetectFilenamePattern).term();
+    Baloo::Query query;
+    query.addType(m_facetsWidget->facetType());
+
+    QStringList queryStrings;
+    QString ratingQuery = m_facetsWidget->ratingTerm();
+    if (!ratingQuery.isEmpty()) {
+        queryStrings << ratingQuery;
     }
-    else {
-        // Search the text in the filename only
-        QString regex = QRegExp::escape(text);
-        regex.replace("\\*", QLatin1String(".*"));
-        regex.replace("\\?", QLatin1String("."));
-        regex.replace("\\", "\\\\");
-        term = Nepomuk::Query::ComparisonTerm(
-                    Nepomuk::Vocabulary::NFO::fileName(),
-                    Nepomuk::Query::LiteralTerm(regex),
-                    Nepomuk::Query::ComparisonTerm::Regexp);
+
+    if (m_contentButton->isChecked()) {
+        queryStrings << text;
+    } else if (!text.isEmpty()) {
+        queryStrings << QStringLiteral("filename:\"%1\"").arg(text);
     }
 
-    Nepomuk::Query::FileQuery fileQuery;
-    fileQuery.setFileMode(Nepomuk::Query::FileQuery::QueryFilesAndFolders);
-    fileQuery.setTerm(term);
     if (m_fromHereButton->isChecked()) {
-        const bool recursive = true;
-        fileQuery.addIncludeFolder(m_searchPath, recursive);
+        query.setIncludeFolder(m_searchPath.toLocalFile());
     }
 
-    return fileQuery.toSearchUrl(i18nc("@title UDS_DISPLAY_NAME for a KIO directory listing. %1 is the query the user entered.",
-                                       "Query Results from '%1'",
-                                       text));
+    query.setSearchString(queryStrings.join(QStringLiteral(" ")));
+
+    return query.toSearchUrl(i18nc("@title UDS_DISPLAY_NAME for a KIO directory listing. %1 is the query the user entered.",
+                                   "Query Results from '%1'", text));
 #else
-    return KUrl();
+    return QUrl();
 #endif
 }
 
-void DolphinSearchBox::applyReadOnlyState()
+void DolphinSearchBox::fromBalooSearchUrl(const QUrl& url)
 {
-#ifdef HAVE_NEPOMUK
-    if (m_readOnly) {
-        m_searchLabel->setText(Nepomuk::Query::Query::titleFromQueryUrl(m_readOnlyQuery));
+#ifdef HAVE_BALOO
+    const Baloo::Query query = Baloo::Query::fromSearchUrl(url);
+
+    // Block all signals to avoid unnecessary "searchRequest" signals
+    // while we adjust the search text and the facet widget.
+    blockSignals(true);
+
+    const QString customDir = query.includeFolder();
+    if (!customDir.isEmpty()) {
+        setSearchPath(QUrl::fromLocalFile(customDir));
     } else {
+        setSearchPath(QUrl::fromLocalFile(QDir::homePath()));
+    }
+
+    setText(query.searchString());
+
+    QStringList types = query.types();
+    if (!types.isEmpty()) {
+        m_facetsWidget->setFacetType(types.first());
+    }
+
+    const QStringList subTerms = query.searchString().split(' ', QString::SkipEmptyParts);
+    foreach (const QString& subTerm, subTerms) {
+        if (subTerm.startsWith(QLatin1String("filename:"))) {
+            const QString value = subTerm.mid(9);
+            setText(value);
+        } else if (m_facetsWidget->isRatingTerm(subTerm)) {
+            m_facetsWidget->setRatingTerm(subTerm);
+        }
+    }
+
+    m_startSearchTimer->stop();
+    blockSignals(false);
 #else
-    {
+    Q_UNUSED(url);
 #endif
-        m_searchLabel->setText(i18nc("@label:textbox", "Find:"));
-    }
+}
 
-    m_searchInput->setVisible(!m_readOnly);
-    m_optionsScrollArea->setVisible(!m_readOnly);
+void DolphinSearchBox::updateFacetsToggleButton()
+{
+    const bool facetsIsVisible = SearchSettings::showFacetsWidget();
+    m_facetsToggleButton->setChecked(facetsIsVisible ? true : false);
+    m_facetsToggleButton->setIcon(QIcon::fromTheme(facetsIsVisible ? QStringLiteral("arrow-up-double") : QStringLiteral("arrow-down-double")));
+    m_facetsToggleButton->setText(facetsIsVisible ? i18nc("action:button", "Fewer Options") : i18nc("action:button", "More Options"));
 }
 
-#include "dolphinsearchbox.moc"