Centre image at start (or on zoom reset)

This just sets the scroll bars to the middle position, which is not
necessarily the middle of the detector.  Still, it's better than
starting at the edge every time.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/crystfelimageview.h b/src/crystfelimageview.h
index 9e1bf4a1..8d51a48b 100644
--- a/src/crystfelimageview.h
+++ b/src/crystfelimageview.h
@@ -68,6 +68,7 @@ struct _crystfelimageview
 
 	/* Redraw/scroll stuff */
 	int                  need_rerender;
+	int                  need_recentre;
 	GtkScrollablePolicy  hpol;
 	GtkScrollablePolicy  vpol;
 	GtkAdjustment       *hadj;