diff options
Diffstat (limited to 'src/screen.c')
| -rw-r--r-- | src/screen.c | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/src/screen.c b/src/screen.c index 1917e16..bd9b461 100644 --- a/src/screen.c +++ b/src/screen.c @@ -209,12 +209,17 @@ void runes_screen_insert_characters(RunesTerm *t, int count) RunesScreen *scr = &t->scr; struct runes_row *row = &scr->rows[scr->cur.row]; - memmove( - &row->cells[scr->cur.col + count], &row->cells[scr->cur.col], - (scr->max.col - scr->cur.col - count) * sizeof(struct runes_cell)); - memset( - &row->cells[scr->cur.col], 0, - count * sizeof(struct runes_cell)); + if (count >= scr->max.col - scr->cur.col) { + runes_screen_kill_line_forward(t); + } + else { + memmove( + &row->cells[scr->cur.col + count], &row->cells[scr->cur.col], + (scr->max.col - scr->cur.col - count) * sizeof(struct runes_cell)); + memset( + &row->cells[scr->cur.col], 0, + count * sizeof(struct runes_cell)); + } } void runes_screen_insert_lines(RunesTerm *t, int count) @@ -229,12 +234,17 @@ void runes_screen_delete_characters(RunesTerm *t, int count) RunesScreen *scr = &t->scr; struct runes_row *row = &scr->rows[scr->cur.row]; - memmove( - &row->cells[scr->cur.col], &row->cells[scr->cur.col + count], - (scr->max.col - scr->cur.col - count) * sizeof(struct runes_cell)); - memset( - &row->cells[scr->max.col - count], 0, - count * sizeof(struct runes_cell)); + if (count >= scr->max.col - scr->cur.col) { + runes_screen_kill_line_forward(t); + } + else { + memmove( + &row->cells[scr->cur.col], &row->cells[scr->cur.col + count], + (scr->max.col - scr->cur.col - count) * sizeof(struct runes_cell)); + memset( + &row->cells[scr->max.col - count], 0, + count * sizeof(struct runes_cell)); + } } void runes_screen_delete_lines(RunesTerm *t, int count) |