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Annotation of coherent/d/usr/lib/libcurses/mvwin.c, revision 1.1.1.1

1.1       root        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 COHERENT
                     19: #ifndef lint
                     20: static uchar sccsid[] = "@(#)mvwin.c   5.3 (Berkeley) 6/30/88";
                     21: #endif /* not lint */
                     22: #endif /* not COHERENT */
                     23: 
                     24: # include      "curses.ext"
                     25: 
                     26: /*
                     27:  * relocate the starting position of a window
                     28:  *
                     29:  */
                     30: 
                     31: mvwin(win, by, bx)
                     32: reg WINDOW     *win;
                     33: reg int                by, bx; {
                     34: 
                     35:        register WINDOW *orig;
                     36:        register int    dy, dx;
                     37: 
                     38:        if (by + win->_maxy > LINES || bx + win->_maxx > COLS)
                     39:                return ERR;
                     40:        dy = by - win->_begy;
                     41:        dx = bx - win->_begx;
                     42:        orig = win->_orig;
                     43:        if (orig == NULL) {
                     44:                orig = win;
                     45:                do {
                     46:                        win->_begy += dy;
                     47:                        win->_begx += dx;
                     48:                        _swflags_(win);
                     49:                        win = win->_nextp;
                     50:                } while (win != orig);
                     51:        }
                     52:        else {
                     53:                if (by < orig->_begy || win->_maxy + dy > orig->_maxy)
                     54:                        return ERR;
                     55:                if (bx < orig->_begx || win->_maxx + dx > orig->_maxx)
                     56:                        return ERR;
                     57:                win->_begy = by;
                     58:                win->_begx = bx;
                     59:                _swflags_(win);
                     60:                _set_subwin_(orig, win);
                     61:        }
                     62:        touchwin(win);
                     63:        return OK;
                     64: }

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