diff options
| author | Jesse Luehrs <doy@tozt.net> | 2014-04-25 22:05:04 -0400 |
|---|---|---|
| committer | Jesse Luehrs <doy@tozt.net> | 2014-04-25 22:05:04 -0400 |
| commit | 4bdb4a0d8b0762faff0be5a415f3b97f5685c635 (patch) | |
| tree | cb01fd4c2af84952db59c3b43fcb21682c78c39d | |
| parent | 4b4622f260eb6c051404bd04395752e774d30c6c (diff) | |
| download | runes-4bdb4a0d8b0762faff0be5a415f3b97f5685c635.tar.gz runes-4bdb4a0d8b0762faff0be5a415f3b97f5685c635.zip | |
implement insert/delete characters
| -rw-r--r-- | src/screen.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/src/screen.c b/src/screen.c index 94e70f9..5eef957 100644 --- a/src/screen.c +++ b/src/screen.c @@ -201,9 +201,15 @@ void runes_screen_kill_line_backward(RunesTerm *t) void runes_screen_insert_characters(RunesTerm *t, int count) { - UNUSED(t); - UNUSED(count); - fprintf(stderr, "insert_characters nyi\n"); + 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)); } void runes_screen_insert_lines(RunesTerm *t, int count) @@ -215,9 +221,15 @@ void runes_screen_insert_lines(RunesTerm *t, int count) void runes_screen_delete_characters(RunesTerm *t, int count) { - UNUSED(t); - UNUSED(count); - fprintf(stderr, "delete_characters nyi\n"); + 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)); } void runes_screen_delete_lines(RunesTerm *t, int count) |