diff options
Diffstat (limited to 'lib/libcurses/mvwin.c')
| -rw-r--r-- | lib/libcurses/mvwin.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/lib/libcurses/mvwin.c b/lib/libcurses/mvwin.c new file mode 100644 index 0000000..5699295 --- /dev/null +++ b/lib/libcurses/mvwin.c @@ -0,0 +1,77 @@ +/* + * Copyright (c) 1981, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)mvwin.c 8.1 (Berkeley) 6/4/93"; +#endif /* not lint */ + +#include <curses.h> + +/* + * mvwin -- + * Relocate the starting position of a window. + */ +int +mvwin(win, by, bx) + register WINDOW *win; + register int by, bx; +{ + register WINDOW *orig; + register int dy, dx; + + if (by + win->maxy > LINES || bx + win->maxx > COLS) + return (ERR); + dy = by - win->begy; + dx = bx - win->begx; + orig = win->orig; + if (orig == NULL) { + orig = win; + do { + win->begy += dy; + win->begx += dx; + __swflags(win); + win = win->nextp; + } while (win != orig); + } else { + if (by < orig->begy || win->maxy + dy > orig->maxy) + return (ERR); + if (bx < orig->begx || win->maxx + dx > orig->maxx) + return (ERR); + win->begy = by; + win->begx = bx; + __swflags(win); + __set_subwin(orig, win); + } + __touchwin(win); + return (OK); +} |
