27 files changed, 179 insertions, 549 deletions

diff --git a/src/controller/actions/pan.h b/src/controller/actions/pan.h
index 18ac876..1af615e 100644
--- a/src/controller/actions/pan.h
+++ b/src/controller/actions/pan.h
@@ -4,6 +4,6 @@
 /*
  * Pan around the geometry.
  */
-void pan ();
+void pan (int x1, int y1, int x2, int y2);
 
 #endif // PAN_H