void
termpty_text_save_top(Termpty *ty, Termcell *cells, ssize_t w_max)
{
Termsave *ts;
ssize_t w;
if (ty->backmax <= 0) return;
termpty_save_freeze();
w = termpty_line_length(cells, w_max);
ts = termpty_save_new(w);
termpty_cell_copy(ty, cells, ts->cell, w);
if (!ty->back) ty->back = calloc(1, sizeof(Termsave *) * ty->backmax);
if (ty->back[ty->backpos])
{
Termsave *ts2;
ts2 = termpty_save_extract(ty->back[ty->backpos]);
termpty_save_free(ts2);
ty->back[ty->backpos] = NULL;
}
ty->back[ty->backpos] = ts;
ty->backpos++;
if (ty->backpos >= ty->backmax) ty->backpos = 0;
ty->backscroll_num++;
if (ty->backscroll_num >= ty->backmax) ty->backscroll_num = ty->backmax;
termpty_save_thaw();
}
Termsave *
termpty_save_new(Termsave *ts, int w)
{
termpty_save_free(ts);
Termcell *cells = calloc(1, w * sizeof(Termcell));
if (!cells ) return NULL;
ts->cells = cells;
ts->w = w;
return ts;
}
void
termpty_reset_state(Termpty *ty)
{
int backsize;
ty->cursor_state.cx = 0;
ty->cursor_state.cy = 0;
ty->termstate.scroll_y1 = 0;
ty->termstate.scroll_y2 = 0;
ty->termstate.had_cr_x = 0;
ty->termstate.had_cr_y = 0;
termpty_reset_att(&(ty->termstate.att));
ty->termstate.charset = 0;
ty->termstate.charsetch = 'B';
ty->termstate.chset[0] = 'B';
ty->termstate.chset[1] = 'B';
ty->termstate.chset[2] = 'B';
ty->termstate.chset[3] = 'B';
ty->termstate.multibyte = 0;
ty->termstate.alt_kp = 0;
ty->termstate.insert = 0;
ty->termstate.appcursor = 0;
ty->termstate.wrap = 1;
ty->termstate.wrapnext = 0;
ty->termstate.crlf = 0;
ty->termstate.had_cr = 0;
ty->termstate.send_bs = 0;
ty->termstate.reverse = 0;
ty->termstate.no_autorepeat = 0;
ty->termstate.cjk_ambiguous_wide = 0;
ty->termstate.hide_cursor = 0;
ty->mouse_mode = MOUSE_OFF;
ty->mouse_ext = MOUSE_EXT_NONE;
ty->bracketed_paste = 0;
ty->backlog_beacon.screen_y = 0;
ty->backlog_beacon.backlog_y = 0;
termpty_backlog_lock();
if (ty->back)
{
size_t i;
for (i = 0; i < ty->backsize; i++)
termpty_save_free(&ty->back[i]);
free(ty->back);
ty->back = NULL;
}
ty->backpos = 0;
backsize = ty->backsize;
ty->backsize = 0;
termpty_backlog_size_set(ty, backsize);
termpty_backlog_unlock();
}
