Put in a working implementation

This has some issues:
- no feedback
- it shows up even when the keys should be captured by some lineedits

src/lib/webengine/webpage.cpp

@@ -694,6 +694,10 @@ void WebPage::javaScriptConsoleMessage(JavaScriptConsoleMessageLevel level, cons
     std::cout << qPrintable(sourceID) << ":" << lineNumber << " " << qPrintable(message);
 }
 
+void WebPage::followLinkMarker(QString label) {
+    runJavaScript("Marker.gotoMarker('"+label+"',Marker.getMarkerLink)",[this](const QVariant& v) { QString url=v.toString(); if (!url.isEmpty()) load(v.toUrl());});
+}
+
 void WebPage::showLinkMarkers() {
     runJavaScript("Marker.generateMarker('a, input, button, [class*=\"btn\"], [aria-haspopup], [role=\"button\"], textarea, select, summary, [class=\"gap\"], [ng-click]')");
 }

src/lib/webengine/webpage.h

@@ -78,6 +78,8 @@ public:
     static void removeSupportedScheme(const QString &scheme);
 
     void showLinkMarkers();
+    void followLinkMarker(QString);
+    void markerCallback(const QVariant &);
 
 Q_SIGNALS:
     void privacyChanged(bool status);

src/lib/webengine/webview.cpp

@@ -61,6 +61,7 @@ WebView::WebView(QWidget* parent)
     , m_page(0)
     , m_firstLoad(false)
     , m_followLink(false)
+    , m_currentLinkMarkerLabel()
 {
     connect(this, &QWebEngineView::loadStarted, this, &WebView::slotLoadStarted);
     connect(this, &QWebEngineView::loadProgress, this, &WebView::slotLoadProgress);
@@ -1199,24 +1200,42 @@ void WebView::_keyReleaseEvent(QKeyEvent *event)
         event->accept();
     }
 
-    switch (event->key()) {
-    case Qt::Key_Escape:
-        if (isFullScreen()) {
-            triggerPageAction(QWebEnginePage::ExitFullScreen);
+    if (m_followLink) {
+        // We are following links; therefore we need to process the
+        // key
+        switch (event->key()) {
+        case Qt::Key_Space:
+            // Accept current label
+            page()->followLinkMarker(m_currentLinkMarkerLabel);
+        case Qt::Key_Escape:
+            page()->hideLinkMarkers();
+            m_currentLinkMarkerLabel=QString();
+            m_followLink = false;
             event->accept();
+            break;
+
+        default:
+            m_currentLinkMarkerLabel += event->text();
+            qDebug() << "process letter" << m_currentLinkMarkerLabel;
+            break;
         }
-        break;
-    case Qt::Key_F:
-        if (!m_followLink) {
+    } else {
+        switch (event->key()) {
+        case Qt::Key_Escape:
+            if (isFullScreen()) {
+            triggerPageAction(QWebEnginePage::ExitFullScreen);
+            event->accept();
+            }
+            break;
+        case Qt::Key_F:
             page()->showLinkMarkers();
+            qDebug() << "markers activated";
             m_followLink = true;
-        } else {
-            page()->hideLinkMarkers();
-            m_followLink = false;
+            event->accept();
+            break;
+        default:
+            break;
         }
-        event->accept();
-    default:
-        break;
     }
 }
 

src/lib/webengine/webview.h

@@ -189,6 +189,7 @@ private:
     WebPage* m_page;
     bool m_firstLoad;
     bool m_followLink;
+    QString m_currentLinkMarkerLabel;
 
     QPointer<QWidget> m_rwhvqt;
     WheelHelper m_wheelHelper;