Console line with simple auto completion

src/batchprocessing.h

@@ -3,6 +3,9 @@
 
 #include <QDialog>
 #include <QFileSystemWatcher>
+#include <QStringListModel>
+#include <QCompleter>
+#include <QLineEdit>
 #include "scriptengine.h"
 
 namespace Ui { class BatchProcessing; }
@@ -16,8 +19,12 @@ class BatchProcessing : public QDialog
     QString _scriptBasePath;
     QFileSystemWatcher _fileWatcher;
     Script::ScriptEngineThread *_engineThread = nullptr;
+    Script::ScriptEngine *_engine = nullptr;
     QColor _textColor;
     Database *_database;
+    QStringListModel *_completerModel = nullptr;
+    QCompleter *_completer = nullptr;
+    QList<QPair<QString, QString>> _paths;
 private slots:
     void scanScriptDir();
 public:
@@ -25,6 +32,7 @@ public:
     ~BatchProcessing();
 protected:
     void closeEvent(QCloseEvent *event);
+    void refreshPaths();
 public slots:
     void addFiles();
     void addDir();
@@ -47,6 +55,18 @@ public slots:
     void plot(const QVariant &graph);
 };
 
+class ConsoleLine : public QLineEdit
+{
+    Q_OBJECT
+public:
+    explicit ConsoleLine(QWidget *parent = nullptr);
+    void addLine();
+    void keyReleaseEvent(QKeyEvent *event) override;
+private:
+    int _currentLine = 0;
+    QStringList _history;
+};
+
 void openDir(const QString &path);
 
 #endif // BATCHPROCESSING_H