utf8.c

   1 /*
   2 LICENSE INFORMATION:
   3 This program is free software; you can redistribute it and/or
   4 modify it under the terms of the GNU Lesser General Public
   5 License (LGPL) as published by the Free Software Foundation.
   6
   7 Please refer to the COPYING file for more information.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 General Public License for more details.
  13
  14 You should have received a copy of the GNU Lesser General Public
  15 License along with this program; if not, write to the Free Software
  16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17
  18 Copyright (c) 2007 Ryo Dairiki
  19 */
  20
  21 #ifdef USE_UTF8
  22 #include "utf8.h"
  23 #include "rote.h"
  24 #include "roteprivate.h"
  25
  26 void rote_utf8_erase_character(RoteTerm *rt, size_t row, size_t col) {
  27    if (row < rt->rows || col < rt->cols) return;
  28
  29    const size_t fcount = rt->cells[row][col].fcount;
  30    const size_t findex = rt->cells[row][col].findex;
  31
  32    int i;
  33    for (i = rt->ccol - findex; i < rt->cols && i < rt->ccol + fcount - findex; ++i) {
  34       rt->cells[row][i].empty = true;
  35       rt->cells[row][i].fcount = 1;
  36       rt->cells[row][i].findex = 0;
  37       rt->cells[row][i].ch = 0x20;
  38       rt->cells[row][i].attr = rt->curattr;
  39    }
  40 }
  41
  42 #endif