toucholap.c revision 1.6.2.2
1 1.6.2.2 cgd /* 2 1.6.2.2 cgd * Copyright (c) 1981, 1993, 1994 3 1.6.2.2 cgd * The Regents of the University of California. All rights reserved. 4 1.6.2.2 cgd * 5 1.6.2.2 cgd * Redistribution and use in source and binary forms, with or without 6 1.6.2.2 cgd * modification, are permitted provided that the following conditions 7 1.6.2.2 cgd * are met: 8 1.6.2.2 cgd * 1. Redistributions of source code must retain the above copyright 9 1.6.2.2 cgd * notice, this list of conditions and the following disclaimer. 10 1.6.2.2 cgd * 2. Redistributions in binary form must reproduce the above copyright 11 1.6.2.2 cgd * notice, this list of conditions and the following disclaimer in the 12 1.6.2.2 cgd * documentation and/or other materials provided with the distribution. 13 1.6.2.2 cgd * 3. All advertising materials mentioning features or use of this software 14 1.6.2.2 cgd * must display the following acknowledgement: 15 1.6.2.2 cgd * This product includes software developed by the University of 16 1.6.2.2 cgd * California, Berkeley and its contributors. 17 1.6.2.2 cgd * 4. Neither the name of the University nor the names of its contributors 18 1.6.2.2 cgd * may be used to endorse or promote products derived from this software 19 1.6.2.2 cgd * without specific prior written permission. 20 1.6.2.2 cgd * 21 1.6.2.2 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 1.6.2.2 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 1.6.2.2 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 1.6.2.2 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 1.6.2.2 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 1.6.2.2 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 1.6.2.2 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 1.6.2.2 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 1.6.2.2 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 1.6.2.2 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 1.6.2.2 cgd * SUCH DAMAGE. 32 1.6.2.2 cgd */ 33 1.6.2.2 cgd 34 1.6.2.2 cgd #ifndef lint 35 1.6.2.2 cgd static char sccsid[] = "@(#)toucholap.c 8.2 (Berkeley) 5/4/94"; 36 1.6.2.2 cgd #endif /* not lint */ 37 1.6.2.2 cgd 38 1.6.2.2 cgd #include "curses.h" 39 1.6.2.2 cgd 40 1.6.2.2 cgd /* 41 1.6.2.2 cgd * touchoverlap -- 42 1.6.2.2 cgd * Touch, on win2, the part that overlaps with win1. 43 1.6.2.2 cgd */ 44 1.6.2.2 cgd int 45 1.6.2.2 cgd touchoverlap(win1, win2) 46 1.6.2.2 cgd register WINDOW *win1, *win2; 47 1.6.2.2 cgd { 48 1.6.2.2 cgd register int y, endy, endx, starty, startx; 49 1.6.2.2 cgd 50 1.6.2.2 cgd #ifdef DEBUG 51 1.6.2.2 cgd __CTRACE("touchoverlap: (%0.2o, %0.2o);\n", win1, win2); 52 1.6.2.2 cgd #endif 53 1.6.2.2 cgd starty = max(win1->begy, win2->begy); 54 1.6.2.2 cgd startx = max(win1->begx, win2->begx); 55 1.6.2.2 cgd endy = min(win1->maxy + win1->begy, win2->maxy + win2->begx); 56 1.6.2.2 cgd endx = min(win1->maxx + win1->begx, win2->maxx + win2->begx); 57 1.6.2.2 cgd #ifdef DEBUG 58 1.6.2.2 cgd __CTRACE("touchoverlap: from (%d,%d) to (%d,%d)\n", 59 1.6.2.2 cgd starty, startx, endy, endx); 60 1.6.2.2 cgd __CTRACE("touchoverlap: win1 (%d,%d) to (%d,%d)\n", 61 1.6.2.2 cgd win1->begy, win1->begx, win1->begy + win1->maxy, 62 1.6.2.2 cgd win1->begx + win1->maxx); 63 1.6.2.2 cgd __CTRACE("touchoverlap: win2 (%d,%d) to (%d,%d)\n", 64 1.6.2.2 cgd win2->begy, win2->begx, win2->begy + win2->maxy, 65 1.6.2.2 cgd win2->begx + win2->maxx); 66 1.6.2.2 cgd #endif 67 1.6.2.2 cgd if (starty >= endy || startx >= endx) 68 1.6.2.2 cgd return (OK); 69 1.6.2.2 cgd starty -= win2->begy; 70 1.6.2.2 cgd startx -= win2->begx; 71 1.6.2.2 cgd endy -= win2->begy; 72 1.6.2.2 cgd endx -= win2->begx; 73 1.6.2.2 cgd for (--endx, y = starty; y < endy; y++) 74 1.6.2.2 cgd __touchline(win2, y, startx, endx, 0); 75 1.6.2.2 cgd return (OK); 76 1.6.2.2 cgd } 77 1.6.2.2 cgd 78
Indexes created Mon Sep 29 13:09:55 GMT 2025