Add keybind to scroll to image center (#203)

There are keybinds for scrolling to the edges of an image but there's no way back to the center. This is particularly annoying while zooming.

1 files changed, 1 insertions, 0 deletions

diff --git a/nsxiv.h b/nsxiv.h
index eb5b398..a9a9b8a 100644
--- a/nsxiv.h
+++ b/nsxiv.h
@@ -229,6 +229,7 @@ bool img_zoom(img_t*, int);
 bool img_zoom_to(img_t*, float);
 bool img_pos(img_t*, float, float);
 bool img_pan(img_t*, direction_t, int);
+bool img_pan_center(img_t*);
 bool img_pan_edge(img_t*, direction_t);
 void img_rotate(img_t*, degree_t);
 void img_flip(img_t*, flipdir_t);