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patch 9.1.0215: Half-page scrolling does not support smooth-scrolling

Problem:  Page-wise scrolling with Ctrl-D/Ctrl-U implements
          it's own logic to change the topline and cursor.
          More logic than necessary for scrolling with Ctrl-F/Ctrl-B
          was removed in patch 9.1.0211.
Solution: Re-use the logic from Ctrl-E/Ctrl-Y/Ctrl-F/Ctrl-B while
          staying backward compatible as much as possible.
          Restore some of the logic that determined how many lines will
          be scrolled (Luuk van Baal)

closes: #14316

Signed-off-by: Luuk van Baal <luukvbaal@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Luuk van Baal
2024-03-28 10:07:29 +01:00
committed by Christian Brabandt
parent 982e191b38
commit 5a2e3ec9ac
12 changed files with 166 additions and 242 deletions

View File

@@ -46,7 +46,6 @@ void set_empty_rows(win_T *wp, int used);
void scroll_cursor_bot(int min_scroll, int set_topbot);
void scroll_cursor_halfway(int atend, int prefer_above);
void cursor_correct(void);
int onepage(int dir, long count);
void halfpage(int flag, linenr_T Prenum);
int pagescroll(int dir, long count, int half);
void do_check_cursorbind(void);
/* vim: set ft=c : */