Fix calling GUI methods from script thread

batchprocessing.h

@@ -9,6 +9,7 @@ namespace Ui { class BatchProcessing; }
 
 class BatchProcessing : public QDialog
 {
+    Q_OBJECT
     Ui::BatchProcessing *_ui;
     QString _scriptBasePath;
     QFileSystemWatcher _fileWatcher;
@@ -22,7 +23,6 @@ public:
 protected:
     void closeEvent(QCloseEvent *event);
 public slots:
-    void scriptDirChanged();
     void addFiles();
     void addDir();
     void removePath();
@@ -33,6 +33,11 @@ public slots:
     void stopScript();
     void scriptFinished();
     void newMessage(const QString &message, bool error);
+
+    QJSValue getString(const QString &label, const QString &text);
+    QJSValue getInt(const QString &label, int value);
+    QJSValue getFloat(const QString &label, double value, int decimals);
+    QJSValue getItem(const QStringList &items, const QString &label, int current);
 };
 
 #endif // BATCHPROCESSING_H