Index: krusader/BookMan/krbookmarkhandler.cpp
===================================================================
--- krusader/BookMan/krbookmarkhandler.cpp
+++ krusader/BookMan/krbookmarkhandler.cpp
@@ -529,8 +529,9 @@
         bool quickSearchStarted = false;
 
         if (kev->modifiers() != Qt::NoModifier ||
-               kev->text().isEmpty() ||
-               kev->key() == Qt::Key_Delete) {
+            kev->text().isEmpty()              ||
+            kev->key() == Qt::Key_Delete       ||
+            kev->key() == Qt::Key_Escape) {
             return QObject::eventFilter(obj, ev);
         }
 
@@ -565,7 +566,7 @@
                 if (act->text().contains('&' + kev->text(), Qt::CaseInsensitive)) {
                     qDebug() << "Bookmark search: hit accelerator key of" << act;
                     _setQuickSearchText("");
-                    break;
+                    return QObject::eventFilter(obj, ev);
                 }
 
                 // strip accelerator keys from actions so they don't interfere with the search key press events
@@ -577,7 +578,8 @@
             // match prefix of the action text to the query
             if (act->text().left(_quickSearchText().length()).compare(_quickSearchText(), Qt::CaseInsensitive) == 0) {
                 _highlightAction(act);
-                if (!firstMatch) {
+                if (!firstMatch || firstMatch->menu()) {
+                    //Can't highlight menus (see comment below), hopefully pick something we can
                     firstMatch = act;
                 }
                 nMatches++;
@@ -596,14 +598,27 @@
         if (nMatches == 1) {
             _setQuickSearchText("");
             if ((bool) firstMatch->menu()) {
-                menu->setActiveAction(firstMatch);
+                menu->setActiveAction(nullptr);
+                QRect firstMatchGeom = menu->actionGeometry(firstMatch);
+                QPoint submenuPos = menu->mapToParent(firstMatchGeom.topRight());
+                firstMatch->menu()->popup(submenuPos);
             } else {
                 firstMatch->activate(QAction::Trigger);
             }
-        } else {
-            // if no match is found, firstMatch == nullptr
-            // this is intended as it will unset active item of the menu
-            menu->setActiveAction(firstMatch);
+            return true;
+        } else if (nMatches > 1) {
+            //because of a bug submenus cannot be highlighted
+            //https://bugreports.qt.io/browse/QTBUG-939
+            if (!firstMatch->menu()) {
+                menu->setActiveAction(firstMatch);
+            } else {
+                qDebug() << "We only found submenus, highlighting nothing";
+                menu->setActiveAction(nullptr);
+            }
+            return true;
+        }
+        else {
+            menu->setActiveAction(nullptr);
         }
     }