Printing: Add progress updating ability to print dialog

The progress bar shows the progress of both the rendering part and the
templating part, unfortunately we can't check the progress of Grantlee
templating engine so the progess bar doesn't have a constant pace it
stops a little around 20%.

Signed-off-by: Gehad elrobey <gehadelrobey@gmail.com>
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/templatelayout.h b/templatelayout.h
index 763473796..db2fb30d3 100644
--- a/templatelayout.h
+++ b/templatelayout.h
@@ -13,6 +13,10 @@ public:
 
 private:
 	Grantlee::Engine *m_engine;
+	int getTotalWork();
+
+signals:
+	void progressUpdated(int value);
 };
 
 class Dive {