Add option to disable KRunner history

BUG: 376666
FIXED-IN: 5.20

krunner/view.cpp

@@ -159,7 +159,11 @@ void View::loadConfig()
 {
     setFreeFloating(m_config.readEntry("FreeFloating", false));
 
-    const QStringList history = m_config.readEntry("history", QStringList());
+    m_historyEnabled = m_config.readEntry("HistoryEnabled", true);
+    QStringList history;
+    if (m_historyEnabled) {
+        history = m_config.readEntry("history", QStringList());
+    }
     if (m_history != history) {
         m_history = history;
         emit historyChanged();
@@ -377,6 +381,9 @@ QStringList View::history() const
 
 void View::addToHistory(const QString &item)
 {
+    if (!m_historyEnabled) {
+        return;
+    }
     if (item.isEmpty()) {
         return;
     }
@@ -425,6 +432,9 @@ void View::removeFromHistory(int index)
 
 void View::writeHistory()
 {
+    if (!m_historyEnabled) {
+        return;
+    }
     m_config.writeEntry("history", m_history);
 }
 

krunner/view.h

@@ -106,6 +106,7 @@ private:
     bool m_requestedVisible = false;
     QStringList m_history;
     bool m_retainPriorSearch;
+    bool m_historyEnabled;
 };
 
 

lookandfeel/contents/runcommand/RunCommand.qml

@@ -190,7 +190,7 @@ ColumnLayout {
                     colorGroup: PlasmaCore.Theme.ButtonColorGroup
                 }
                 elementId: "down-arrow"
-                visible: queryField.length === 0
+                visible: queryField.length === 0 && runnerWindow.history.length > 0
 
                 MouseArea {
                     anchors.fill: parent