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| author | Jesse Luehrs <doy@tozt.net> | 2014-04-25 22:37:45 -0400 |
|---|---|---|
| committer | Jesse Luehrs <doy@tozt.net> | 2014-04-25 22:37:45 -0400 |
| commit | 759969a2cae94a75877a2d2550e9c82f840ba618 (patch) | |
| tree | 1b82a4271f83d78111e9150c7949b6ad996b67a8 | |
| parent | 7501a610222e2eb1f99ed40c70dfc9cbb7cd9827 (diff) | |
| download | runes-759969a2cae94a75877a2d2550e9c82f840ba618.tar.gz runes-759969a2cae94a75877a2d2550e9c82f840ba618.zip | |
implement insert/delete lines
| -rw-r--r-- | src/screen.c | 52 |
1 files changed, 46 insertions, 6 deletions
diff --git a/src/screen.c b/src/screen.c index bd9b461..9d77ea3 100644 --- a/src/screen.c +++ b/src/screen.c @@ -224,9 +224,29 @@ void runes_screen_insert_characters(RunesTerm *t, int count) void runes_screen_insert_lines(RunesTerm *t, int count) { - UNUSED(t); - UNUSED(count); - fprintf(stderr, "insert_lines nyi\n"); + RunesScreen *scr = &t->scr; + + if (count >= scr->max.row - scr->cur.row) { + runes_screen_clear_screen_forward(t); + runes_screen_kill_line(t); + } + else { + int i; + + for (i = scr->max.row - count; i < scr->max.row; ++i) { + free(scr->rows[i].cells); + } + memmove( + &scr->rows[scr->cur.row + count], &scr->rows[scr->cur.row], + (scr->max.row - scr->cur.row - count) * sizeof(struct runes_row)); + memset( + &scr->rows[scr->cur.row], 0, + count * sizeof(struct runes_row)); + for (i = scr->cur.row; i < scr->cur.row + count; ++i) { + scr->rows[i].cells = calloc( + scr->max.col, sizeof(struct runes_cell)); + } + } } void runes_screen_delete_characters(RunesTerm *t, int count) @@ -249,9 +269,29 @@ void runes_screen_delete_characters(RunesTerm *t, int count) void runes_screen_delete_lines(RunesTerm *t, int count) { - UNUSED(t); - UNUSED(count); - fprintf(stderr, "delete_lines nyi\n"); + RunesScreen *scr = &t->scr; + + if (count >= scr->max.row - scr->cur.row) { + runes_screen_clear_screen_forward(t); + runes_screen_kill_line(t); + } + else { + int i; + + for (i = scr->cur.row; i < scr->cur.row + count; ++i) { + free(scr->rows[i].cells); + } + memmove( + &scr->rows[scr->cur.row], &scr->rows[scr->cur.row + count], + (scr->max.row - scr->cur.row - count) * sizeof(struct runes_row)); + memset( + &scr->rows[scr->max.row - count], 0, + count * sizeof(struct runes_row)); + for (i = scr->max.row - count; i < scr->max.row; ++i) { + scr->rows[i].cells = calloc( + scr->max.col, sizeof(struct runes_cell)); + } + } } void runes_screen_set_scroll_region( |