diff --git a/language/duchain/navigation/useswidget.cpp b/language/duchain/navigation/useswidget.cpp
index bea2eba46..8835ebd45 100644
--- a/language/duchain/navigation/useswidget.cpp
+++ b/language/duchain/navigation/useswidget.cpp
@@ -1,663 +1,699 @@
 /*
    Copyright 2008 David Nolden <david.nolden.kdevelop@art-master.de>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "useswidget.h"
 #include "util/debug.h"
 
 #include <QIcon>
 #include <QLabel>
 #include <QProgressBar>
 #include <QResizeEvent>
 #include <QToolButton>
 #include <QVBoxLayout>
 
 #include <KLocalizedString>
 
 #include <language/duchain/duchainlock.h>
 #include <language/duchain/duchain.h>
 #include <language/duchain/uses.h>
 #include <language/duchain/declaration.h>
 #include <language/duchain/use.h>
 #include <interfaces/icore.h>
 #include <interfaces/idocumentcontroller.h>
 #include <interfaces/iprojectcontroller.h>
 
 #include <language/duchain/duchainutils.h>
 #include <language/codegen/coderepresentation.h>
 #include <interfaces/iproject.h>
 #include <util/foregroundlock.h>
 
 using namespace KDevelop;
 
+namespace {
+
+QString backgroundColor(bool isHighlighted)
+{
+    if (isHighlighted) {
+      return QColor(251, 150, 242).name();
+    } else {
+      return QColor(251, 250, 150).name();
+    }
+}
+
+}
 
 const int tooltipContextSize = 2; //How many lines around the use are shown in the tooltip
 
 ///The returned text is fully escaped
 ///@param cutOff The total count of characters that should be cut of, all in all on both sides together.
 ///@param range The range that is highlighted, and that will be preserved during cutting, given that there is enough room beside it.
 QString highlightAndEscapeUseText(QString line, int cutOff, KTextEditor::Range range)
 {
   int leftCutRoom = range.start().column();
   int rightCutRoom = line.length() - range.end().column();
 
   if(range.start().column() < 0 || range.end().column() > line.length() || cutOff > leftCutRoom + rightCutRoom)
     return QString(); //Not enough room for cutting off on sides
 
   int leftCut = 0;
   int rightCut = 0;
 
   if(leftCutRoom < rightCutRoom) {
     if(leftCutRoom * 2 >= cutOff) {
       //Enough room on both sides. Just cut.
       leftCut = cutOff / 2;
       rightCut = cutOff - leftCut;
     }else{
       //Not enough room in left side, but enough room all together
       leftCut = leftCutRoom;
       rightCut = cutOff - leftCut;
     }
   }else{
     if(rightCutRoom * 2 >= cutOff) {
       //Enough room on both sides. Just cut.
       rightCut = cutOff / 2;
       leftCut = cutOff - rightCut;
     }else{
       //Not enough room in right side, but enough room all together
       rightCut = rightCutRoom;
       leftCut = cutOff - rightCut;
     }
   }
   Q_ASSERT(leftCut + rightCut <= cutOff);
 
   line = line.left(line.length() - rightCut);
   line = line.mid(leftCut);
   range += KTextEditor::Range(0, -leftCut, 0, -leftCut);
 
   Q_ASSERT(range.start().column() >= 0 && range.end().column() <= line.length());
 
   //TODO: share code with context browser
   // mixing (255, 255, 0, 100) with white yields this:
-  const QColor background(251, 250, 150);
   const QColor foreground(0, 0, 0);
 
   return "<span style=\"font-family:'monospace'\">" + line.left(range.start().column()).toHtmlEscaped()
-                    + "<span style=\"background-color:" + background.name() + ";color:" + foreground.name() + ";\">"
+                    + "<span style=\"background-color:" + backgroundColor(false) + ";color:" + foreground.name() + ";\">"
                     + line.mid(range.start().column(), range.end().column() - range.start().column()).toHtmlEscaped()
                     + "</span>" + line.mid(range.end().column(), line.length() - range.end().column()).toHtmlEscaped() + "</span>";
 }
 
 /**
  * Note: the links in the HTML here are only used for styling
  * the navigation is implemented in the mouse press event handler
  */
 OneUseWidget::OneUseWidget(IndexedDeclaration declaration, IndexedString document, KTextEditor::Range range, const CodeRepresentation& code) : m_range(new PersistentMovingRange(range, document)), m_declaration(declaration), m_document(document) {
 
   //Make the sizing of this widget independent of the content, because we will adapt the content to the size
   setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Fixed);
 
   m_sourceLine = code.line(m_range->range().start().line());
 
   m_layout = new QHBoxLayout(this);
   m_layout->setContentsMargins(0, 0, 0, 0);
   setLayout(m_layout);
 
   setCursor(Qt::PointingHandCursor);
 
   m_label = new QLabel(this);
   m_icon = new QLabel(this);
   m_icon->setPixmap(QIcon::fromTheme(QStringLiteral("code-function")).pixmap(16));
 
   DUChainReadLocker lock(DUChain::lock());
   QString text = "<a>" + i18nc("refers to a line in source code", "Line <b>%1</b>:", range.start().line()) + QStringLiteral("</a>");
   if(!m_sourceLine.isEmpty() && m_sourceLine.length() > m_range->range().end().column()) {
 
     text += "&nbsp;&nbsp;" + highlightAndEscapeUseText(m_sourceLine, 0, m_range->range());
 
     //Useful tooltip:
     int start = m_range->range().start().line() - tooltipContextSize;
     int end = m_range->range().end().line() + tooltipContextSize + 1;
 
     QString toolTipText;
     for(int a = start; a < end; ++a) {
       QString lineText = code.line(a).toHtmlEscaped();
       if (m_range->range().start().line() <= a && m_range->range().end().line() >= a) {
         lineText = QStringLiteral("<b>") + lineText + QStringLiteral("</b>");
       }
       if(!lineText.trimmed().isEmpty()) {
         toolTipText += lineText + "<br>";
       }
     }
     if ( toolTipText.endsWith(QLatin1String("<br>")) ) {
       toolTipText.remove(toolTipText.length() - 4, 4);
     }
     setToolTip(QStringLiteral("<html><body><pre>") + toolTipText + QStringLiteral("</pre></body></html>"));
   }
   m_label->setText(text);
 
   m_layout->addWidget(m_icon);
   m_layout->addWidget(m_label);
   m_layout->setAlignment(Qt::AlignLeft);
 }
 
+void OneUseWidget::setHighlighted(bool highlight)
+{
+    if (highlight == m_isHighlighted) {
+        return;
+    }
+
+    if (highlight) {
+        m_label->setText(m_label->text().replace("background-color:" + backgroundColor(false), "background-color:" + backgroundColor(true)));
+        m_isHighlighted = true;
+    } else {
+        m_label->setText(m_label->text().replace("background-color:" + backgroundColor(true), "background-color:" + backgroundColor(false)));
+        m_isHighlighted = false;
+    }
+}
+
+bool KDevelop::OneUseWidget::isHighlighted() const
+{
+    return m_isHighlighted;
+}
+
+void OneUseWidget::activateLink()
+{
+    ICore::self()->documentController()->openDocument(m_document.toUrl(), m_range->range().start());
+}
+
 void OneUseWidget::mousePressEvent(QMouseEvent* event)
 {
   if (event->button() == Qt::LeftButton && !event->modifiers()) {
-    ICore::self()->documentController()->openDocument(m_document.toUrl(), m_range->range().start());
+    activateLink();
     event->accept();
   }
 }
 
 OneUseWidget::~OneUseWidget() {
 }
 
 void OneUseWidget::resizeEvent ( QResizeEvent * event ) {
   ///Adapt the content
   QSize size = event->size();
 
   KTextEditor::Range range = m_range->range();
 
   int cutOff = 0;
   int maxCutOff = m_sourceLine.length() - (range.end().column() - range.start().column());
 
   //Reset so we also get more context while up-sizing
   m_label->setText(QStringLiteral("<a>") + i18nc("Refers to a line in source code", "Line <b>%1</b>:", range.start().line()+1)
                  + QStringLiteral("</a> ") + highlightAndEscapeUseText(m_sourceLine, cutOff, range));
 
   /// FIXME: this is incredibly ugly and slow... we could simply paint the text ourselves and elide it properly
   while(sizeHint().width() > size.width() && cutOff < maxCutOff) {
     //We've got to save space
     m_label->setText(QStringLiteral("<a>") + i18nc("Refers to a line in source code", "Line <b>%1</b>:", range.start().line()+1)
                    + QStringLiteral("</a> ") + highlightAndEscapeUseText(m_sourceLine, cutOff, range));
     cutOff += 5;
   }
 
   event->accept();
 
   QWidget::resizeEvent(event);
 }
 
 void NavigatableWidgetList::setShowHeader(bool show) {
   if(show && !m_headerLayout->parent())
     m_layout->insertLayout(0, m_headerLayout);
   else
     m_headerLayout->setParent(nullptr);
 }
 
 NavigatableWidgetList::~NavigatableWidgetList() {
   delete m_headerLayout;
 }
 
 NavigatableWidgetList::NavigatableWidgetList(bool allowScrolling, uint maxHeight, bool vertical)
 :  m_allowScrolling(allowScrolling)
 {
   m_layout = new QVBoxLayout;
   m_layout->setMargin(0);
   m_layout->setSizeConstraint(QLayout::SetMinAndMaxSize);
   m_layout->setSpacing(0);
   setBackgroundRole(QPalette::Base);
   m_useArrows = false;
 
   if(vertical)
     m_itemLayout = new QVBoxLayout;
   else
     m_itemLayout = new QHBoxLayout;
   m_itemLayout->setContentsMargins(0, 0, 0, 0);
 
   m_itemLayout->setMargin(0);
   m_itemLayout->setSpacing(0);
 //   m_layout->setSizeConstraint(QLayout::SetMinAndMaxSize);
 //   setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Maximum);
   setWidgetResizable(true);
 
   m_headerLayout = new QHBoxLayout;
   m_headerLayout->setMargin(0);
   m_headerLayout->setSpacing(0);
 
   if(m_useArrows) {
     auto previousButton = new QToolButton();
     previousButton->setIcon(QIcon::fromTheme(QStringLiteral("go-previous")));
 
     auto nextButton = new QToolButton();
     nextButton->setIcon(QIcon::fromTheme(QStringLiteral("go-next")));
 
     m_headerLayout->addWidget(previousButton);
     m_headerLayout->addWidget(nextButton);
   }
 
   //hide these buttons for now, they're senseless
 
   m_layout->addLayout(m_headerLayout);
 
   QHBoxLayout* spaceLayout = new QHBoxLayout;
   spaceLayout->addSpacing(10);
   spaceLayout->addLayout(m_itemLayout);
 
   m_layout->addLayout(spaceLayout);
 
   if(maxHeight)
     setMaximumHeight(maxHeight);
 
   if(m_allowScrolling) {
     QWidget* contentsWidget = new QWidget;
     contentsWidget->setLayout(m_layout);
     setWidget(contentsWidget);
   }else{
     setLayout(m_layout);
   }
 }
 
 void NavigatableWidgetList::deleteItems() {
   foreach(QWidget* item, items())
     delete item;
 }
 
 void NavigatableWidgetList::addItem(QWidget* widget, int pos) {
   if(pos == -1)
     m_itemLayout->addWidget(widget);
   else
     m_itemLayout->insertWidget(pos, widget);
 }
 
 QList<QWidget*> NavigatableWidgetList::items() const {
   QList<QWidget*> ret;
   for(int a = 0; a < m_itemLayout->count(); ++a) {
     QWidgetItem* widgetItem = dynamic_cast<QWidgetItem*>(m_itemLayout->itemAt(a));
     if(widgetItem) {
       ret << widgetItem->widget();
     }
   }
   return ret;
 }
 
 bool NavigatableWidgetList::hasItems() const {
   return (bool)m_itemLayout->count();
 }
 
 void NavigatableWidgetList::addHeaderItem(QWidget* widget, Qt::Alignment alignment) {
   if(m_useArrows) {
     Q_ASSERT(m_headerLayout->count() >= 2); //At least the 2 back/next buttons
     m_headerLayout->insertWidget(m_headerLayout->count()-1, widget, alignment);
   }else{
     //We need to do this so the header doesn't get stretched
     widget->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
     m_headerLayout->insertWidget(m_headerLayout->count(), widget, alignment);
 //     widget->setMaximumHeight(20);
   }
 }
 
 ///Returns whether the uses in the child should be a new uses-group
 bool isNewGroup(DUContext* parent, DUContext* child) {
   if(parent->type() == DUContext::Other && child->type() == DUContext::Other)
     return false;
   else
     return true;
 }
 
 uint countUses(int usedDeclarationIndex, DUContext* context) {
   uint ret = 0;
 
   for(int useIndex = 0; useIndex < context->usesCount(); ++useIndex)
     if(context->uses()[useIndex].m_declarationIndex == usedDeclarationIndex)
       ++ret;
 
   foreach(DUContext* child, context->childContexts())
     if(!isNewGroup(context, child))
       ret += countUses(usedDeclarationIndex, child);
   return ret;
 }
 
 QList<OneUseWidget*> createUseWidgets(const CodeRepresentation& code, int usedDeclarationIndex, IndexedDeclaration decl, DUContext* context) {
   QList<OneUseWidget*> ret;
   VERIFY_FOREGROUND_LOCKED
 
   for(int useIndex = 0; useIndex < context->usesCount(); ++useIndex)
     if(context->uses()[useIndex].m_declarationIndex == usedDeclarationIndex)
       ret << new OneUseWidget(decl, context->url(), context->transformFromLocalRevision(context->uses()[useIndex].m_range), code);
 
   foreach(DUContext* child, context->childContexts())
     if(!isNewGroup(context, child))
       ret += createUseWidgets(code, usedDeclarationIndex, decl, child);
 
   return ret;
 }
 
 ContextUsesWidget::ContextUsesWidget(const CodeRepresentation& code, QList<IndexedDeclaration> usedDeclarations, IndexedDUContext context) : m_context(context) {
 
   setFrameShape(NoFrame);
 
   DUChainReadLocker lock(DUChain::lock());
     QString headerText = i18n("Unknown context");
     setUpdatesEnabled(false);
 
     if(context.data()) {
       DUContext* ctx = context.data();
 
       if(ctx->scopeIdentifier(true).isEmpty())
         headerText = i18n("Global");
       else {
         headerText = ctx->scopeIdentifier(true).toString();
         if(ctx->type() == DUContext::Function || (ctx->owner() && ctx->owner()->isFunctionDeclaration()))
           headerText += QLatin1String("(...)");
       }
 
       QSet<int> hadIndices;
 
       foreach(const IndexedDeclaration usedDeclaration, usedDeclarations) {
         int usedDeclarationIndex = ctx->topContext()->indexForUsedDeclaration(usedDeclaration.data(), false);
         if(hadIndices.contains(usedDeclarationIndex))
           continue;
 
         hadIndices.insert(usedDeclarationIndex);
 
         if(usedDeclarationIndex != std::numeric_limits<int>::max()) {
           foreach(OneUseWidget* widget, createUseWidgets(code, usedDeclarationIndex, usedDeclaration, ctx))
             addItem(widget);
         }
       }
     }
 
     QLabel* headerLabel = new QLabel(i18nc("%1: source file", "In %1", "<a href='navigateToFunction'>"
                                           + headerText.toHtmlEscaped() + "</a>: "));
     addHeaderItem(headerLabel);
     setUpdatesEnabled(true);
     connect(headerLabel, &QLabel::linkActivated, this, &ContextUsesWidget::linkWasActivated);
 }
 
 void ContextUsesWidget::linkWasActivated(QString link) {
   if ( link == QLatin1String("navigateToFunction") ) {
     DUChainReadLocker lock(DUChain::lock());
     DUContext* context = m_context.context();
     if(context) {
       CursorInRevision contextStart = context->range().start;
       KTextEditor::Cursor cursor(contextStart.line, contextStart.column);
       QUrl url = context->url().toUrl();
       lock.unlock();
       ForegroundLock fgLock;
       ICore::self()->documentController()->openDocument(url, cursor);
     }
   }
 }
 
 DeclarationWidget::DeclarationWidget(const CodeRepresentation& code, const IndexedDeclaration& decl) {
 
   setFrameShape(NoFrame);
   DUChainReadLocker lock(DUChain::lock());
 
   setUpdatesEnabled(false);
   if (Declaration* dec = decl.data()) {
     QLabel* headerLabel = new QLabel(dec->isDefinition() ? i18n("Definition") : i18n("Declaration"));
     addHeaderItem(headerLabel);
     addItem(new OneUseWidget(decl, dec->url(), dec->rangeInCurrentRevision(), code));
   }
 
   setUpdatesEnabled(true);
 }
 
 TopContextUsesWidget::TopContextUsesWidget(IndexedDeclaration declaration, QList<IndexedDeclaration> allDeclarations, IndexedTopDUContext topContext)
   : m_topContext(topContext)
   , m_declaration(declaration)
   , m_allDeclarations(allDeclarations)
   , m_usesCount(0)
 {
     m_itemLayout->setContentsMargins(10, 0, 0, 5);
     setFrameShape(NoFrame);
     setUpdatesEnabled(false);
     DUChainReadLocker lock(DUChain::lock());
     QHBoxLayout * labelLayout = new QHBoxLayout;
     labelLayout->setContentsMargins(0, -1, 0, 0); // let's keep the spacing *above* the line
     QWidget* headerWidget = new QWidget;
     headerWidget->setLayout(labelLayout);
     headerWidget->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Fixed);
 
     QLabel* label = new QLabel(this);
     m_icon = new QLabel(this);
     m_toggleButton = new QLabel(this);
     m_icon->setPixmap(QIcon::fromTheme(QStringLiteral("code-class")).pixmap(16));
     labelLayout->addWidget(m_icon);
     labelLayout->addWidget(label);
     labelLayout->addWidget(m_toggleButton);
     labelLayout->setAlignment(Qt::AlignLeft);
 
     if(topContext.isLoaded())
       m_usesCount = DUChainUtils::contextCountUses(topContext.data(), declaration.data());
 
     QString labelText = i18ncp("%1: number of uses, %2: filename with uses", "%2: 1 use", "%2: %1 uses",
                               m_usesCount, ICore::self()->projectController()->prettyFileName(topContext.url().toUrl()));
     label->setText(labelText);
 
     m_toggleButton->setText("&nbsp;&nbsp; <a href='toggleCollapsed'>[" + i18nc("Refers to closing a UI element", "Collapse") + "]</a>");
 
     connect(m_toggleButton, &QLabel::linkActivated, this, &TopContextUsesWidget::labelClicked);
     addHeaderItem(headerWidget);
     setUpdatesEnabled(true);
 }
 
 int TopContextUsesWidget::usesCount() const
 {
   return m_usesCount;
 }
 
 QList<ContextUsesWidget*> buildContextUses(const CodeRepresentation& code, QList<IndexedDeclaration> declarations, DUContext* context) {
   QList<ContextUsesWidget*> ret;
 
   if(!context->parentContext() || isNewGroup(context->parentContext(), context)) {
     ContextUsesWidget* created = new ContextUsesWidget(code, declarations, context);
     if(created->hasItems())
       ret << created;
     else
         delete created;
   }
 
   foreach(DUContext* child, context->childContexts())
     ret += buildContextUses(code, declarations, child);
 
   return ret;
 }
 
 void TopContextUsesWidget::setExpanded(bool expanded) {
   if(!expanded) {
     m_toggleButton->setText("&nbsp;&nbsp; <a href='toggleCollapsed'>[" + i18nc("Refers to opening a UI element", "Expand") + "]</a>");
     deleteItems();
   }else{
     m_toggleButton->setText("&nbsp;&nbsp; <a href='toggleCollapsed'>[" + i18nc("Refers to closing a UI element", "Collapse") + "]</a>");
     if(hasItems())
       return;
     DUChainReadLocker lock(DUChain::lock());
     TopDUContext* topContext = m_topContext.data();
 
     if(topContext && m_declaration.data()) {
 
       CodeRepresentation::Ptr code = createCodeRepresentation(topContext->url());
       setUpdatesEnabled(false);
 
       IndexedTopDUContext localTopContext(topContext);
       foreach(const IndexedDeclaration &decl, m_allDeclarations) {
         if(decl.indexedTopContext() == localTopContext) {
           addItem(new DeclarationWidget(*code, decl));
         }
       }
 
       foreach(ContextUsesWidget* usesWidget, buildContextUses(*code, m_allDeclarations, topContext)) {
         addItem(usesWidget);
       }
       setUpdatesEnabled(true);
     }
   }
 }
 
 void TopContextUsesWidget::labelClicked() {
   if(hasItems()) {
     setExpanded(false);
   }else{
     setExpanded(true);
   }
 }
 
 UsesWidget::~UsesWidget()
 {
     if (m_collector) {
         m_collector->setWidget(nullptr);
     }
 }
 
 UsesWidget::UsesWidget(const IndexedDeclaration& declaration, QSharedPointer<UsesWidgetCollector> customCollector)
     : NavigatableWidgetList(true)
 {
     DUChainReadLocker lock(DUChain::lock());
     setUpdatesEnabled(false);
 
     m_headerLine = new QLabel;
     redrawHeaderLine();
     connect(m_headerLine, &QLabel::linkActivated, this, &UsesWidget::headerLinkActivated);
     m_layout->insertWidget(0, m_headerLine, 0, Qt::AlignTop);
 
     m_layout->setAlignment(Qt::AlignTop);
     m_itemLayout->setAlignment(Qt::AlignTop);
 
     m_progressBar = new QProgressBar;
     addHeaderItem(m_progressBar);
 
     if (!customCollector) {
         m_collector = QSharedPointer<UsesWidgetCollector>(new UsesWidget::UsesWidgetCollector(declaration));
     } else {
         m_collector = customCollector;
     }
 
     m_collector->setProcessDeclarations(true);
     m_collector->setWidget(this);
     m_collector->startCollecting();
 
     setUpdatesEnabled(true);
 }
 
 void UsesWidget::redrawHeaderLine()
 {
   m_headerLine->setText(headerLineText());
 }
 
 const QString UsesWidget::headerLineText() const
 {
   return i18np("1 use found", "%1 uses found", countAllUses()) + " &bull; "
               "<a href='expandAll'>[" + i18n("Expand all") + "]</a> &bull; "
               "<a href='collapseAll'>[" + i18n("Collapse all") + "]</a>";
 }
 
 unsigned int UsesWidget::countAllUses() const
 {
   unsigned int totalUses = 0;
   foreach ( QWidget* w, items() ) {
     if ( TopContextUsesWidget* useWidget = dynamic_cast<TopContextUsesWidget*>(w) ) {
       totalUses += useWidget->usesCount();
     }
   }
   return totalUses;
 }
 
 void UsesWidget::setAllExpanded(bool expanded)
 {
   foreach ( QWidget* w, items() ) {
     if ( TopContextUsesWidget* useWidget = dynamic_cast<TopContextUsesWidget*>(w) ) {
       useWidget->setExpanded(expanded);
     }
   }
 }
 
 void UsesWidget::headerLinkActivated(QString linkName)
 {
   if(linkName == QLatin1String("expandAll")) {
     setAllExpanded(true);
   }
   else if(linkName == QLatin1String("collapseAll")) {
     setAllExpanded(false);
   }
 }
 
 UsesWidget::UsesWidgetCollector::UsesWidgetCollector(IndexedDeclaration decl) : UsesCollector(decl), m_widget(nullptr) {
 
 }
 
 void UsesWidget::UsesWidgetCollector::setWidget(UsesWidget* widget ) {
   m_widget = widget;
 }
 
 
 void UsesWidget::UsesWidgetCollector::maximumProgress(uint max) {
   if (!m_widget) {
     return;
   }
 
   if(m_widget->m_progressBar) {
     m_widget->m_progressBar->setMaximum(max);
     m_widget->m_progressBar->setMinimum(0);
     m_widget->m_progressBar->setValue(0);
   }else{
     qCWarning(LANGUAGE) << "maximumProgress called twice";
   }
 }
 
 void UsesWidget::UsesWidgetCollector::progress(uint processed, uint total) {
   if (!m_widget) {
     return;
   }
 
   m_widget->redrawHeaderLine();
 
   if(m_widget->m_progressBar) {
     m_widget->m_progressBar->setValue(processed);
 
     if(processed == total) {
       m_widget->setUpdatesEnabled(false);
       delete m_widget->m_progressBar;
       m_widget->m_progressBar = nullptr;
       m_widget->setShowHeader(false);
       m_widget->setUpdatesEnabled(true);
     }
   }else{
     qCWarning(LANGUAGE) << "progress() called too often";
   }
 }
 
 void UsesWidget::UsesWidgetCollector::processUses( KDevelop::ReferencedTopDUContext topContext ) {
   if (!m_widget) {
     return;
   }
 
   DUChainReadLocker lock;
 
 
   qCDebug(LANGUAGE) << "processing" << topContext->url().str();
   TopContextUsesWidget* widget = new TopContextUsesWidget(declaration(), declarations(), topContext.data());
 
   // move to back if it's just the declaration/definition
   bool toBack = widget->usesCount() == 0;
   // move to front the item belonging to the current open document
   IDocument* doc = ICore::self()->documentController()->activeDocument();
   bool toFront = doc && (doc->url() == topContext->url().toUrl());
 
   widget->setExpanded(true);
 
   m_widget->addItem(widget, toFront ? 0 : toBack ? widget->items().size() : -1);
   m_widget->redrawHeaderLine();
 }
 
 QSize KDevelop::UsesWidget::sizeHint() const {
   QSize ret = QWidget::sizeHint();
   if(ret.height() < 300)
     ret.setHeight(300);
   return ret;
 }
diff --git a/language/duchain/navigation/useswidget.h b/language/duchain/navigation/useswidget.h
index e67eed6d9..1b415b4e9 100644
--- a/language/duchain/navigation/useswidget.h
+++ b/language/duchain/navigation/useswidget.h
@@ -1,160 +1,165 @@
 /*
    Copyright 2008 David Nolden <david.nolden.kdevelop@art-master.de>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #ifndef KDEVPLATFORM_USESWIDGET_H
 #define KDEVPLATFORM_USESWIDGET_H
 
 #include <QWidget>
 #include <QScrollArea>
 #include <QSharedPointer>
 
 #include <language/duchain/indexeddeclaration.h>
 #include <language/duchain/indexedtopducontext.h>
 #include <language/languageexport.h>
 #include "usescollector.h"
 #include <language/editor/persistentmovingrange.h>
 
 class QLabel;
 class QToolButton;
 class QVBoxLayout;
 class QHBoxLayout;
 class QBoxLayout;
 class QPushButton;
 class QProgressBar;
 
 namespace KDevelop {
     class CodeRepresentation;
   
     class IndexedDeclaration;
     ///A widget representing one use of a Declaration in a speicific context
     class KDEVPLATFORMLANGUAGE_EXPORT OneUseWidget : public QWidget {
       Q_OBJECT
       public:
         OneUseWidget(IndexedDeclaration declaration, IndexedString document, KTextEditor::Range range, const CodeRepresentation& code);
         ~OneUseWidget() override;
 
+        void setHighlighted(bool highlight);
+        bool isHighlighted() const;
+        void activateLink();
+
       private:
         void mousePressEvent(QMouseEvent * event) override;
         void resizeEvent ( QResizeEvent * event ) override;
         
         PersistentMovingRange::Ptr m_range;
         IndexedDeclaration m_declaration;
         IndexedString m_document;
         QString m_sourceLine;
         
         QLabel* m_label;
         QLabel* m_icon;
         QHBoxLayout* m_layout;
+        bool m_isHighlighted = false;
     };
     
     
     class KDEVPLATFORMLANGUAGE_EXPORT NavigatableWidgetList : public QScrollArea {
       Q_OBJECT
       public:
         explicit NavigatableWidgetList(bool allowScrolling = false, uint maxHeight = 0, bool vertical = true);
         ~NavigatableWidgetList() override;
         void addItem(QWidget* widget, int pos = -1);
         void addHeaderItem(QWidget* widget, Qt::Alignment alignment = nullptr);
         ///Whether items were added to this list using addItem(..)
         bool hasItems() const;
         ///Deletes all items that were added using addItem
         void deleteItems();
         QList<QWidget*> items() const;
         void setShowHeader(bool show);
       protected:
         QBoxLayout* m_itemLayout;
         QVBoxLayout* m_layout;
       private:
         QHBoxLayout* m_headerLayout;
         bool m_allowScrolling, m_useArrows;
     };
     
     class KDEVPLATFORMLANGUAGE_EXPORT ContextUsesWidget : public NavigatableWidgetList {
       Q_OBJECT
       public:
         ContextUsesWidget(const CodeRepresentation& code, QList<IndexedDeclaration> usedDeclaration, IndexedDUContext context);
       Q_SIGNALS:
         void navigateDeclaration(KDevelop::IndexedDeclaration);
       private Q_SLOTS:
         void linkWasActivated(QString);
       private:
         IndexedDUContext m_context;
     };
 
     class KDEVPLATFORMLANGUAGE_EXPORT DeclarationWidget : public NavigatableWidgetList {
       Q_OBJECT
       public:
         DeclarationWidget(const KDevelop::CodeRepresentation& code, const KDevelop::IndexedDeclaration& declaration);
     };
     
     /**
      * Represents the uses of a declaration within one top-context
      */
     class KDEVPLATFORMLANGUAGE_EXPORT TopContextUsesWidget : public NavigatableWidgetList {
         Q_OBJECT
         public:
           TopContextUsesWidget(IndexedDeclaration declaration, QList<IndexedDeclaration> localDeclarations, IndexedTopDUContext topContext);
           void setExpanded(bool);
           int usesCount() const;
         private slots:
             void labelClicked();
         private:
             IndexedTopDUContext m_topContext;
             IndexedDeclaration m_declaration;
             QLabel* m_icon;
             QLabel* m_toggleButton;
             QList<IndexedDeclaration> m_allDeclarations;
             int m_usesCount;
     };
 
     /**
      * A widget that allows browsing through all the uses of a declaration, and also through all declarations of it.
      */
     class KDEVPLATFORMLANGUAGE_EXPORT UsesWidget : public NavigatableWidgetList {
       Q_OBJECT
         public:
             ///This class can be overridden to do additional processing while the uses-widget shows the uses.
             struct KDEVPLATFORMLANGUAGE_EXPORT UsesWidgetCollector : public UsesCollector {
               public:
               void setWidget(UsesWidget* widget );
               explicit UsesWidgetCollector(IndexedDeclaration decl);
               void processUses(KDevelop::ReferencedTopDUContext topContext) override;
               void maximumProgress(uint max) override;
               void progress(uint processed, uint total) override;
               UsesWidget* m_widget;
             };
             QSize sizeHint () const override;
             ///@param customCollector allows specifying an own subclass of UsesWidgetCollector.
             explicit UsesWidget(const IndexedDeclaration& declaration, QSharedPointer<UsesWidgetCollector> customCollector = {});
             ~UsesWidget() override;
             void setAllExpanded(bool expanded);
             unsigned int countAllUses() const;
         Q_SIGNALS:
             void navigateDeclaration(KDevelop::IndexedDeclaration);
         private:
             const QString headerLineText() const;
             QLabel* m_headerLine;
             QSharedPointer<UsesWidgetCollector> m_collector;
             QProgressBar* m_progressBar;
         public slots:
             void headerLinkActivated(QString linkName);
             void redrawHeaderLine();
     };
 }
 
 #endif
diff --git a/plugins/contextbrowser/contextbrowserview.cpp b/plugins/contextbrowser/contextbrowserview.cpp
index 2691b9d1c..74d106a57 100644
--- a/plugins/contextbrowser/contextbrowserview.cpp
+++ b/plugins/contextbrowser/contextbrowserview.cpp
@@ -1,311 +1,396 @@
 /*
  * This file is part of KDevelop
  *
  * Copyright 2008 David Nolden <david.nolden.kdevelop@art-master.de>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Library General Public License as
  * published by the Free Software Foundation; either version 2 of the
  * License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public
  * License along with this program; if not, write to the
  * Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include "contextbrowserview.h"
 
 #include <QBoxLayout>
 #include <QIcon>
 #include <QMenu>
 #include <QShowEvent>
 #include <QTextBrowser>
 #include <QToolButton>
 
 #include <KLocalizedString>
 #include <KTextEditor/Document>
 #include <KTextEditor/View>
 
 #include <language/duchain/declaration.h>
 #include <language/duchain/topducontext.h>
 #include <language/duchain/ducontext.h>
 #include <language/duchain/duchain.h>
 #include <language/duchain/duchainlock.h>
 #include <serialization/indexedstring.h>
 
 #include <interfaces/icore.h>
 #include <interfaces/idocumentcontroller.h>
 
 #include "contextbrowser.h"
 #include "debug.h"
 #include <language/duchain/duchainutils.h>
 #include <language/duchain/types/functiontype.h>
 #include <language/duchain/specializationstore.h>
 #include "browsemanager.h"
 #include <language/duchain/navigation/abstractnavigationwidget.h>
 #include <language/interfaces/codecontext.h>
 #include <language/duchain/navigation/abstractdeclarationnavigationcontext.h>
 #include <language/duchain/navigation/useswidget.h>
 #include <interfaces/contextmenuextension.h>
 #include <interfaces/iplugincontroller.h>
 
 using namespace KDevelop;
 
+namespace {
+
+enum Direction
+{
+    NextUse,
+    PreviousUse
+};
+
+void selectUse(ContextBrowserView* view, Direction direction)
+{
+    auto abstractNaviWidget = dynamic_cast<AbstractNavigationWidget*>(view->navigationWidget());
+
+    if (!abstractNaviWidget) {
+        return;
+    }
+
+    auto usesWidget = dynamic_cast<UsesWidget*>(abstractNaviWidget->context()->widget());
+    if (!usesWidget) {
+        return;
+    }
+
+    OneUseWidget* first = nullptr, *previous = nullptr, *current = nullptr;
+    for (auto item : usesWidget->items()) {
+        auto topContext = dynamic_cast<TopContextUsesWidget*>(item);
+        if (!topContext) {
+            continue;
+        }
+        for (auto item : topContext->items()) {
+            auto navigationList = dynamic_cast<NavigatableWidgetList*>(item);
+            if (!navigationList) {
+                continue;
+            }
+            for (auto item : navigationList->items()) {
+                auto use = dynamic_cast<OneUseWidget*>(item);
+                if (!use) {
+                    continue;
+                }
+                if (!first) {
+                    first = use;
+                }
+                current = use;
+                if (direction == PreviousUse && current->isHighlighted() && previous) {
+                    previous->setHighlighted(true);
+                    previous->activateLink();
+                    current->setHighlighted(false);
+                    return;
+                }
+                if (direction == NextUse && previous && previous->isHighlighted()) {
+                    current->setHighlighted(true);
+                    current->activateLink();
+                    previous->setHighlighted(false);
+                    return;
+                }
+                previous = current;
+            }
+        }
+    }
+    if (direction == NextUse && first) {
+        first->setHighlighted(true);
+        first->activateLink();
+        if (current && current->isHighlighted())
+            current->setHighlighted(false);
+        return;
+    }
+    if (direction == PreviousUse && current) {
+        current->setHighlighted(true);
+        current->activateLink();
+        if (first && first->isHighlighted()) {
+            first->setHighlighted(false);
+        }
+    }
+}
+
+}
+
 QWidget* ContextBrowserView::createWidget(KDevelop::DUContext* context) {
         m_context = IndexedDUContext(context);
         if(m_context.data()) {
             return m_context.data()->createNavigationWidget(nullptr, nullptr, {}, {}, AbstractNavigationWidget::EmbeddableWidget);
         }
         return nullptr;
 }
 
 KDevelop::IndexedDeclaration ContextBrowserView::declaration() const {
     return m_declaration;
 }
 
 QWidget* ContextBrowserView::createWidget(Declaration* decl, TopDUContext* topContext) {
     m_declaration = IndexedDeclaration(decl);
     return decl->context()->createNavigationWidget(decl, topContext, {}, {}, AbstractNavigationWidget::EmbeddableWidget);
 }
 
 
 void ContextBrowserView::resetWidget()
 {
     if (m_navigationWidget) {
         delete m_navigationWidget;
         m_navigationWidget = nullptr;
     }
 }
 
 void ContextBrowserView::declarationMenu() {
     DUChainReadLocker lock(DUChain::lock());
 
     AbstractNavigationWidget* navigationWidget = dynamic_cast<AbstractNavigationWidget*>(m_navigationWidget.data());
     if(navigationWidget) {
         AbstractDeclarationNavigationContext* navigationContext = dynamic_cast<AbstractDeclarationNavigationContext*>(navigationWidget->context().data());
         if(navigationContext && navigationContext->declaration().data()) {
             KDevelop::DeclarationContext* c = new KDevelop::DeclarationContext(navigationContext->declaration().data());
             lock.unlock();
             QMenu menu;
             QList<ContextMenuExtension> extensions = ICore::self()->pluginController()->queryPluginsForContextMenuExtensions( c );
 
             ContextMenuExtension::populateMenu(&menu, extensions);
             menu.exec(QCursor::pos());
         }
     }
 }
 
 void ContextBrowserView::updateLockIcon(bool checked) {
     m_lockAction->setIcon(QIcon::fromTheme(checked ? QStringLiteral("document-encrypt") : QStringLiteral("document-decrypt")));
 }
 
 ContextBrowserView::ContextBrowserView( ContextBrowserPlugin* plugin, QWidget* parent ) : QWidget(parent), m_plugin(plugin), m_navigationWidget(new QTextBrowser()), m_autoLocked(false) {
     setWindowIcon( QIcon::fromTheme(QStringLiteral("code-context"), windowIcon()) );
 
     m_allowLockedUpdate = false;
 
     m_declarationMenuAction = new QAction(QIcon::fromTheme(QStringLiteral("code-class")), QString(), this);
     m_declarationMenuAction->setToolTip(i18n("Declaration menu"));
     connect(m_declarationMenuAction, &QAction::triggered, this, &ContextBrowserView::declarationMenu);
     addAction(m_declarationMenuAction);
     m_lockAction = new QAction(this);
     m_lockAction->setCheckable(true);
     m_lockAction->setChecked(false);
     m_lockAction->setToolTip(i18n("Lock current view"));
     addAction(m_lockAction);
     updateLockIcon(m_lockAction->isChecked());
     connect(m_lockAction, &QAction::triggered, this, &ContextBrowserView::updateLockIcon);
 
     m_layout = new QVBoxLayout;
     m_layout->setSpacing(0);
     m_layout->setMargin(0);
     m_layout->addWidget(m_navigationWidget);
     //m_layout->addStretch();
     setLayout(m_layout);
 
     m_plugin->registerToolView(this);
 }
 
 ContextBrowserView::~ContextBrowserView() {
     m_plugin->unRegisterToolView(this);
 }
 
 void ContextBrowserView::focusInEvent(QFocusEvent* event) {
     //Indicate that we have focus
     qCDebug(PLUGIN_CONTEXTBROWSER) << "got focus";
 //     parentWidget()->setBackgroundRole(QPalette::ToolTipBase);
 /*    m_layout->removeItem(m_buttons);*/
 
     return QWidget::focusInEvent(event);
 }
 
 void ContextBrowserView::focusOutEvent(QFocusEvent* event) {
     qCDebug(PLUGIN_CONTEXTBROWSER) << "lost focus";
 //     parentWidget()->setBackgroundRole(QPalette::Background);
 /*    m_layout->insertLayout(0, m_buttons);
     for(int a = 0; a < m_buttons->count(); ++a) {
         QWidgetItem* item = dynamic_cast<QWidgetItem*>(m_buttons->itemAt(a));
     }*/
     QWidget::focusOutEvent(event);
 }
 
 bool ContextBrowserView::event(QEvent* event) {
     QKeyEvent* keyEvent = dynamic_cast<QKeyEvent*>(event);
 
     if(hasFocus() && keyEvent) {
         AbstractNavigationWidget* navigationWidget = dynamic_cast<AbstractNavigationWidget*>(m_navigationWidget.data());
         if(navigationWidget && event->type() == QEvent::KeyPress) {
             int key = keyEvent->key();
             if(key == Qt::Key_Left)
                 navigationWidget->previous();
             if(key == Qt::Key_Right)
                 navigationWidget->next();
             if(key == Qt::Key_Up)
                 navigationWidget->up();
             if(key == Qt::Key_Down)
                 navigationWidget->down();
             if(key == Qt::Key_Return || key == Qt::Key_Enter)
                 navigationWidget->accept();
 
 
             if(key == Qt::Key_L)
                 m_lockAction->toggle();
         }
     }
     return QWidget::event(event);
 }
 
 void ContextBrowserView::showEvent(QShowEvent* event)
 {
     DUChainReadLocker lock(DUChain::lock(), 200);
     if (!lock.locked()) {
         QWidget::showEvent(event);
         return;
     }
 
     TopDUContext* top = m_lastUsedTopContext.data();
     if(top && m_navigationWidgetDeclaration.isValid() && m_navigationWidgetDeclaration.getDeclaration(top)) {
         if(top) {
             //Update the navigation-widget
             Declaration* decl = m_navigationWidgetDeclaration.getDeclaration(top);
             setDeclaration(decl, top, true);
         }
     }
     QWidget::showEvent(event);
 }
 
 bool ContextBrowserView::isLocked() const {
     bool isLocked;
     if (m_allowLockedUpdate) {
         isLocked = false;
     } else {
         isLocked = m_lockAction->isChecked();
     }
     return isLocked;
 }
 
 void ContextBrowserView::updateMainWidget(QWidget* widget)
 {
     if (widget) {
         setUpdatesEnabled(false);
         qCDebug(PLUGIN_CONTEXTBROWSER) << "";
         resetWidget();
         m_navigationWidget = widget;
         m_layout->insertWidget(1, widget, 1);
         m_allowLockedUpdate = false;
         setUpdatesEnabled(true);
         if (widget->metaObject()->indexOfSignal(QMetaObject::normalizedSignature("contextChanged(bool,bool)")) != -1) {
             connect(widget, SIGNAL(contextChanged(bool,bool)), this, SLOT(navigationContextChanged(bool,bool)));
         }
     }
 }
 
 void ContextBrowserView::navigationContextChanged(bool wasInitial, bool isInitial)
 {
     if(wasInitial && !isInitial && !m_lockAction->isChecked())
     {
         m_autoLocked = true;
         m_lockAction->setChecked(true);
     }else if(!wasInitial && isInitial && m_autoLocked)
     {
         m_autoLocked = false;
         m_lockAction->setChecked(false);
     }else if(isInitial) {
         m_autoLocked = false;
     }
 }
 
+void ContextBrowserView::selectNextItem()
+{
+    selectUse(this, NextUse);
+}
+
+void ContextBrowserView::selectPreviousItem()
+{
+    selectUse(this, PreviousUse);
+}
+
 void ContextBrowserView::setDeclaration(KDevelop::Declaration* decl, KDevelop::TopDUContext* topContext, bool force) {
     m_lastUsedTopContext = IndexedTopDUContext(topContext);
 
     if(isLocked() && (!m_navigationWidget.data() || !isVisible()))
     {
         // Automatically remove the locked state if the view is not visible or the widget was deleted,
         // because the locked state has side-effects on other navigation functionality.
         m_autoLocked = false;
         m_lockAction->setChecked(false);
     }
 
     if(m_navigationWidgetDeclaration == decl->id() && !force)
         return;
 
     m_navigationWidgetDeclaration = decl->id();
 
     if (!isLocked() && (isVisible() || force)) {  // NO-OP if toolview is hidden, for performance reasons
 
         QWidget* w = createWidget(decl, topContext);
         updateMainWidget(w);
     }
 }
 
 KDevelop::IndexedDeclaration ContextBrowserView::lockedDeclaration() const {
     if(m_lockAction->isChecked())
         return declaration();
     else
         return KDevelop::IndexedDeclaration();
 }
 
 void ContextBrowserView::allowLockedUpdate() {
     m_allowLockedUpdate = true;
 }
 
 void ContextBrowserView::setNavigationWidget(QWidget* widget) {
     updateMainWidget(widget);
 }
 
 void ContextBrowserView::setContext(KDevelop::DUContext* context) {
     if(!context)
         return;
 
     m_lastUsedTopContext = IndexedTopDUContext(context->topContext());
 
     if(context->owner()) {
         if(context->owner()->id() == m_navigationWidgetDeclaration)
             return;
         m_navigationWidgetDeclaration = context->owner()->id();
     }else{
         m_navigationWidgetDeclaration = DeclarationId();
     }
 
     if (!isLocked() && isVisible()) { // NO-OP if toolview is hidden, for performance reasons
 
         QWidget* w = createWidget(context);
         updateMainWidget(w);
     }
 }
 
 void ContextBrowserView::setSpecialNavigationWidget(QWidget* widget) {
     if (!isLocked() && isVisible()) {
         Q_ASSERT(widget);
         updateMainWidget(widget);
     } else if(widget) {
         widget->deleteLater();
     }
 }
 
diff --git a/plugins/contextbrowser/contextbrowserview.h b/plugins/contextbrowser/contextbrowserview.h
index dcb76daca..48a4d8417 100644
--- a/plugins/contextbrowser/contextbrowserview.h
+++ b/plugins/contextbrowser/contextbrowserview.h
@@ -1,114 +1,118 @@
 /*
   * This file is part of KDevelop
  *
  * Copyright 2008 David Nolden <david.nolden.kdevelop@art-master.de>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Library General Public License as
  * published by the Free Software Foundation; either version 2 of the
  * License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public
  * License along with this program; if not, write to the
  * Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #ifndef KDEVPLATFORM_PLUGIN_CONTEXTBROWSERVIEW_H
 #define KDEVPLATFORM_PLUGIN_CONTEXTBROWSERVIEW_H
 
 #include <QWidget>
 #include <QVector>
 #include <QPointer>
 
 #include <language/duchain/topducontext.h>
 #include <language/editor/documentcursor.h>
 #include <serialization/indexedstring.h>
+#include <interfaces/itoolviewactionlistener.h>
 
 class ContextBrowserPlugin;
 class QVBoxLayout;
 class QHBoxLayout;
 class QAction;
 class QCheckBox;
 class QMenu;
 class KComboBox;
 
 namespace KDevelop {
 class IDocument;
 }
 
-class ContextBrowserView : public QWidget {
+class ContextBrowserView : public QWidget, public KDevelop::IToolViewActionListener {
     Q_OBJECT
+    Q_INTERFACES(KDevelop::IToolViewActionListener)
     public:
         ContextBrowserView( ContextBrowserPlugin*, QWidget* parent );
         ~ContextBrowserView() override;
 
         //duchain must be locked
         void setContext(KDevelop::DUContext* context);
         void setDeclaration(KDevelop::Declaration* decl, KDevelop::TopDUContext* topContext, bool force = false);
         void setSpecialNavigationWidget(QWidget*);
         void updateMainWidget(QWidget*);
 
         /** Allows a single update of the view even if in locked state.
           * This is needed to browse while the locked button is checked. */
         void allowLockedUpdate();
 
         ///Returns the currently locked declaration, or invalid of none is locked atm.
         KDevelop::IndexedDeclaration lockedDeclaration() const;
 
         void setNavigationWidget(QWidget* widget);
         
         QWidget* navigationWidget() {
             return m_navigationWidget;
         }
         
         //duchain must be locked
         QWidget* createWidget(KDevelop::DUContext* context);
         
         //duchain must be locked
         QWidget* createWidget(KDevelop::Declaration* decl, KDevelop::TopDUContext* topContext);
 
         KDevelop::IndexedDeclaration declaration() const;
 
         ///Returns whether the view is currently locked
         bool isLocked() const;
         
     private Q_SLOTS:
         void updateLockIcon(bool); 
         void declarationMenu();
         void navigationContextChanged(bool wasInitial, bool isInitial);
+        void selectNextItem() override;
+        void selectPreviousItem() override;
 
     private:
         void showEvent(QShowEvent* event) override;
         bool event(QEvent* event) override;
         
         void focusInEvent(QFocusEvent* event) override;
         void focusOutEvent(QFocusEvent* event) override;
         void resetWidget();
 
     private:
         
         KDevelop::IndexedDeclaration m_declaration;
         
         ContextBrowserPlugin* m_plugin;
         QVBoxLayout* m_layout;
         QAction* m_lockAction;
         QAction* m_declarationMenuAction;
         QHBoxLayout* m_buttons;
 
         QPointer<QWidget> m_navigationWidget;
         KDevelop::DeclarationId m_navigationWidgetDeclaration;
         bool m_allowLockedUpdate;
         KDevelop::IndexedTopDUContext m_lastUsedTopContext;
 
         KDevelop::IndexedDUContext m_context;
         // Whether the lock-button was activated automatically due to user navigation
         bool m_autoLocked;
 };
 
 #endif