Implement 'zt', 'zz', 'zb'

In particular 'zb' might not work if there are wrapped lines involved.

1 files changed, 4 insertions, 0 deletions

diff --git a/window.h b/window.h
index 6c4b72f..4d00b48 100644
--- a/window.h
+++ b/window.h
@@ -58,6 +58,10 @@ void window_scroll_to(Win*, size_t pos);
  * position is visible. if the position is in the middle of a line, try to
  * adjust the viewport in such a way that the whole line is displayed */
 void window_cursor_to(Win*, size_t pos);
+/* redraw current cursor line at top/center/bottom of window */
+void window_redraw_top(Win*);
+void window_redraw_center(Win*);
+void window_redraw_bottom(Win*);
 /* start selected area at current cursor position. further cursor movements will
  * affect the selected region. */
 void window_selection_start(Win*);