36 files changed, 332 insertions, 176 deletions

diff --git a/src/controller/actions/pan.h b/src/controller/actions/pan.h
new file mode 100644
index 0000000..18ac876
--- a/dev/null
+++ b/src/controller/actions/pan.h
@@ -0,0 +1,9 @@
+#ifndef PAN_H
+#define PAN_H
+
+/*
+ * Pan around the geometry.
+ */
+void pan ();
+
+#endif // PAN_H