1 /* 2 * Copyright (c) 1981 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #ifndef lint 19 static char sccsid[] = "@(#)insertln.c 5.3 (Berkeley) 06/30/88"; 20 #endif /* not lint */ 21 22 # include "curses.ext" 23 24 /* 25 * This routine performs an insert-line on the window, leaving 26 * (_cury,_curx) unchanged. 27 * 28 */ 29 winsertln(win) 30 reg WINDOW *win; { 31 32 reg char *temp; 33 reg int y; 34 reg char *end; 35 reg int x; 36 37 #ifdef DEBUG 38 fprintf(outf, "INSERTLN(%0.2o)\n", win); 39 #endif 40 if (win->_orig == NULL) 41 temp = win->_y[win->_maxy - 1]; 42 for (y = win->_maxy - 1; y > win->_cury; --y) { 43 if (win->_orig == NULL) 44 win->_y[y] = win->_y[y - 1]; 45 else 46 bcopy(win->_y[y - 1], win->_y[y], win->_maxx); 47 touchline(win, y, 0, win->_maxx - 1); 48 } 49 if (win->_orig == NULL) 50 win->_y[y] = temp; 51 else 52 temp = win->_y[y]; 53 for (end = &temp[win->_maxx]; temp < end; ) 54 *temp++ = ' '; 55 touchline(win, y, 0, win->_maxx - 1); 56 if (win->_orig == NULL) 57 _id_subwins(win); 58 } 59