Use the Baloo Query Builder widget to add syntax-highlighting in Dolphin search

REVIEW: 112589

1 files changed, 39 insertions, 14 deletions

diff --git a/src/search/dolphinsearchbox.cpp b/src/search/dolphinsearchbox.cpp
index ae93030ac..27a251b7d 100644
--- a/src/search/dolphinsearchbox.cpp
+++ b/src/search/dolphinsearchbox.cpp
@@ -40,8 +40,9 @@
 #include <QToolButton>
 #include <QVBoxLayout>
 
-#include <config-baloo.h>
 #ifdef HAVE_BALOO
+    #include <Baloo/NaturalFileQueryParser>
+    #include <Baloo/QueryBuilder>
     #include <Baloo/Query>
     #include <Baloo/Term>
     #include <Baloo/IndexerConfig>
@@ -252,8 +253,10 @@ void DolphinSearchBox::slotConfigurationChanged()
     }
 }
 
-void DolphinSearchBox::slotSearchTextChanged(const QString& text)
+void DolphinSearchBox::slotSearchTextChanged()
 {
+    const QString text = m_searchInput->text();
+
     if (text.isEmpty()) {
         m_startSearchTimer->stop();
     } else {
@@ -262,10 +265,17 @@ void DolphinSearchBox::slotSearchTextChanged(const QString& text)
     emit searchTextChanged(text);
 }
 
-void DolphinSearchBox::slotReturnPressed(const QString& text)
+void DolphinSearchBox::slotReturnPressed()
 {
     emitSearchRequest();
-    emit returnPressed(text);
+    emit returnPressed(m_searchInput->text());
+}
+
+void DolphinSearchBox::updateSearchInputParsing()
+{
+#ifdef HAVE_NEPOMUK
+    m_searchInput->setParsingEnabled(m_contentButton->isChecked());
+#endif
 }
 
 void DolphinSearchBox::slotFacetsButtonToggled()
@@ -306,6 +316,7 @@ void DolphinSearchBox::loadSettings()
     }
 
     m_facetsWidget->setVisible(SearchSettings::showFacetsWidget());
+    updateSearchInputParsing();
 }
 
 void DolphinSearchBox::saveSettings()
@@ -329,15 +340,24 @@ void DolphinSearchBox::init()
     m_searchLabel = new QLabel(this);
 
     // Create search box
+#ifdef HAVE_BALOO
+    m_queryParser.reset(new Baloo::NaturalFileQueryParser);
+    m_searchInput = new Baloo::QueryBuilder(m_queryParser.data(), this);
+    connect(m_searchInput, &Baloo::QueryBuilder::editingFinished,
+            this, &DolphinSearchBox::slotReturnPressed);
+    connect(m_searchInput, &Baloo::QueryBuilder::textChanged,
+            this, &DolphinSearchBox::slotSearchTextChanged);
+#else
     m_searchInput = new KLineEdit(this);
     m_searchInput->installEventFilter(this);
     m_searchInput->setClearButtonShown(true);
     m_searchInput->setFont(KGlobalSettings::generalFont());
-    setFocusProxy(m_searchInput);
-    connect(m_searchInput, static_cast<void(KLineEdit::*)(const QString&)>(&KLineEdit::returnPressed),
+    connect(m_searchInput, &KLineEdit::returnPressed,
             this, &DolphinSearchBox::slotReturnPressed);
     connect(m_searchInput, &KLineEdit::textChanged,
             this, &DolphinSearchBox::slotSearchTextChanged);
+#endif
+    setFocusProxy(m_searchInput);
 
     // Apply layout for the search input
     QHBoxLayout* searchInputLayout = new QHBoxLayout();
@@ -358,6 +378,8 @@ void DolphinSearchBox::init()
     QButtonGroup* searchWhatGroup = new QButtonGroup(this);
     searchWhatGroup->addButton(m_fileNameButton);
     searchWhatGroup->addButton(m_contentButton);
+    connect(searchWhatGroup, static_cast<void (QButtonGroup::*)(int)>(&QButtonGroup::buttonClicked),
+            this, &DolphinSearchBox::updateSearchInputParsing);
 
     m_separator = new KSeparator(Qt::Vertical, this);
 
@@ -434,28 +456,31 @@ KUrl DolphinSearchBox::balooUrlForSearching() const
     const QString text = m_searchInput->text();
 
     Baloo::Query query;
+
+    if (m_contentButton->isChecked()) {
+        query = m_queryParser->parse(text, Baloo::NaturalQueryParser::DetectFilenamePattern);
+    } else {
+        query.setTerm(Baloo::Term(QLatin1String("filename"), text));
+    }
+
+    // Configure the query so that it returns files and takes the rating into account
     query.addType("File");
     query.addType(m_facetsWidget->facetType());
 
     Baloo::Term term(Baloo::Term::And);
-
     Baloo::Term ratingTerm = m_facetsWidget->ratingTerm();
+
     if (ratingTerm.isValid()) {
+        term.addSubTerm(query.term());
         term.addSubTerm(ratingTerm);
-    }
 
-    if (m_contentButton->isChecked()) {
-        query.setSearchString(text);
-    } else if (!text.isEmpty()) {
-        term.addSubTerm(Baloo::Term(QLatin1String("filename"), text));
+        query.setTerm(term);
     }
 
     if (m_fromHereButton->isChecked()) {
         query.addCustomOption("includeFolder", m_searchPath.toLocalFile());
     }
 
-    query.setTerm(term);
-
     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