1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 4f059cc..6c1a094 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -26,6 +26,8 @@
 #include "diagramview.h"
 #include "diagramdocument.h"
 
+class QPrinter;
+
 class MainWindow: public QMainWindow
 {
 	Q_OBJECT
@@ -54,6 +56,8 @@ public slots:
 	bool saveAs();
 	void exportDocument();
 	void print();
+	void printPreview();
+	void paintOnPrinter(QPrinter *);
 	void setViewScale(const QString &scale);
 	void about();