Print: add a print preview for testing purposes

Use a QPrintPreviewDialog, while the print logic is WIP.
This way Qt will show the print output in a window instead
of exporting to a file and opending it manualy.

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/qt-ui/printdialog.h b/qt-ui/printdialog.h
index b97a318c5..097de9531 100644
--- a/qt-ui/printdialog.h
+++ b/qt-ui/printdialog.h
@@ -24,6 +24,7 @@ private:
 
 private slots:
 	void printClicked();
+	void onPaintRequested(QPrinter *);
 };
 
 #endif