diff options
Diffstat (limited to 'screen-write.c')
| -rw-r--r-- | screen-write.c | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/screen-write.c b/screen-write.c index 00a56c46..fb0cba6a 100644 --- a/screen-write.c +++ b/screen-write.c @@ -369,11 +369,25 @@ screen_write_insertline(struct screen_write_ctx *ctx, u_int ny) if (ny == 0) ny = 1; - if (ny > screen_size_y(s) - s->cy) - ny = screen_size_y(s) - s->cy; - if (ny == 0) + if (s->cy < s->rupper || s->cy > s->rlower) { + if (ny > screen_size_y(s) - s->cy) + ny = screen_size_y(s) - s->cy; + if (ny == 0) + return; + + screen_write_save(ctx); + + grid_view_insert_lines(s->grid, s->cy, ny); + + tty_write_cmd(ctx->wp, TTY_INSERTLINE, ny); return; + } + if (ny > s->rlower + 1 - s->cy) + ny = s->rlower + 1 - s->cy; + if (ny == 0) + return; + screen_write_save(ctx); if (s->cy < s->rupper || s->cy > s->rlower) @@ -393,8 +407,22 @@ screen_write_deleteline(struct screen_write_ctx *ctx, u_int ny) if (ny == 0) ny = 1; - if (ny > screen_size_y(s) - s->cy) - ny = screen_size_y(s) - s->cy; + if (s->cy < s->rupper || s->cy > s->rlower) { + if (ny > screen_size_y(s) - s->cy) + ny = screen_size_y(s) - s->cy; + if (ny == 0) + return; + + screen_write_save(ctx); + + grid_view_delete_lines(s->grid, s->cy, ny); + + tty_write_cmd(ctx->wp, TTY_DELETELINE, ny); + return; + } + + if (ny > s->rlower + 1 - s->cy) + ny = s->rlower + 1 - s->cy; if (ny == 0) return; |