diff options
Diffstat (limited to 'lib/libcurses/overlay.c')
| -rw-r--r-- | lib/libcurses/overlay.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/lib/libcurses/overlay.c b/lib/libcurses/overlay.c deleted file mode 100644 index 22c3433..0000000 --- a/lib/libcurses/overlay.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Copyright (c) 1981, 1993, 1994 - * 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[] = "@(#)overlay.c 8.2 (Berkeley) 5/4/94"; -#endif /* not lint */ - -#include <ctype.h> - -#include "curses.h" - -/* - * overlay -- - * Writes win1 on win2 non-destructively. - */ -int -overlay(win1, win2) - register WINDOW *win1, *win2; -{ - - register int x, y, y1, y2, endy, endx, starty, startx; - register __LDATA *sp, *end; - -#ifdef DEBUG - __CTRACE("overlay: (%0.2o, %0.2o);\n", win1, win2); -#endif - starty = max(win1->begy, win2->begy); - startx = max(win1->begx, win2->begx); - endy = min(win1->maxy + win1->begy, win2->maxy + win2->begx); - endx = min(win1->maxx + win1->begx, win2->maxx + win2->begx); -#ifdef DEBUG - __CTRACE("overlay: from (%d,%d) to (%d,%d)\n", - starty, startx, endy, endx); -#endif - if (starty >= endy || startx >= endx) - return (OK); - y1 = starty - win1->begy; - y2 = starty - win2->begy; - for (y = starty; y < endy; y++, y1++, y2++) { - end = &win1->lines[y1]->line[endx - win1->begx]; - x = startx - win2->begx; - for (sp = &win1->lines[y1]->line[startx - win1->begx]; - sp < end; sp++) { - if (!isspace(sp->ch)) { - wmove(win2, y2, x); - __waddch(win2, sp); - } - x++; - } - } - return (OK); -} |
