diff options
| -rw-r--r-- | screen-write.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/screen-write.c b/screen-write.c index fb0cba6a..5a2a3882 100644 --- a/screen-write.c +++ b/screen-write.c @@ -232,8 +232,15 @@ screen_write_cursorup(struct screen_write_ctx *ctx, u_int ny) if (ny == 0) ny = 1; - if (ny > s->cy) - ny = s->cy; + if (s->cy < s->rupper) { + /* Above region. */ + if (ny > s->cy) + ny = s->cy; + } else { + /* Below region. */ + if (ny > s->cy - s->rupper) + ny = s->cy - s->rupper; + } if (ny == 0) return; @@ -249,8 +256,15 @@ screen_write_cursordown(struct screen_write_ctx *ctx, u_int ny) if (ny == 0) ny = 1; - if (ny > screen_size_y(s) - 1 - s->cy) - ny = screen_size_y(s) - 1 - s->cy; + if (s->cy > s->rlower) { + /* Below region. */ + if (ny > screen_size_y(s) - 1 - s->cy) + ny = screen_size_y(s) - 1 - s->cy; + } else { + /* Above region. */ + if (ny > s->rlower - s->cy) + ny = s->rlower - s->cy; + } if (ny == 0) return; |