Fetch mCmdHistory on an empty mCmdLineEdit

src/gui/Src/BasicView/HistoryLineEdit.cpp

@@ -46,6 +46,14 @@ void HistoryLineEdit::addLineToHistory(QString parLine)
     mCmdIndex = -1;
 }
 
+QString HistoryLineEdit::getLineFromHistory()
+{
+    if(mCmdHistory.empty())
+        return "";
+    else
+        return mCmdHistory.first();
+}
+
 QString HistoryLineEdit::addHistoryClear()
 {
     auto str = text();

src/gui/Src/BasicView/HistoryLineEdit.h

@@ -11,6 +11,7 @@ public:
     explicit HistoryLineEdit(QWidget* parent = 0);
     void keyPressEvent(QKeyEvent* event);
     void addLineToHistory(QString parLine);
+    QString getLineFromHistory();
     QString addHistoryClear();
     void setFocus();
     void loadSettings(QString sectionPrefix);

src/gui/Src/Gui/CommandLineEdit.cpp

@@ -113,10 +113,13 @@ void CommandLineEdit::execute()
     if(mCurrentScriptIndex == -1)
         return;
     GUISCRIPTEXECUTE exec = mScriptInfo[mCurrentScriptIndex].execute;
-    const QString & cmd = text();
+    QString & cmd = text();
 
     if(exec)
     {
+        if(cmd.trimmed().isEmpty())
+            cmd = getLineFromHistory();
+
         // Send this string directly to the user
         exec(cmd.toUtf8().constData());
     }