. abandons mixer, gomoku, talk, talkd, top from base system . compile top with clang so no ack-compiled program needs -lcurses any more
208 lines
4.8 KiB
C
208 lines
4.8 KiB
C
.\" $NetBSD: ex2.c,v 1.7 2003/08/07 16:44:27 agc Exp $
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.\"
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.\" Copyright (c) 1992, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)ex2.c 8.1 (Berkeley) 6/8/93
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.\"
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#include <curses.h>
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#include <stdio.h>
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#include <signal.h>
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#define YSIZE LINES
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#define XSIZE COLS
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static int quit();
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/*
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* This program fills the screen up with characters and the allows the user to
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* manipulate the text on the screen using some basic commands.
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* Nothing fancy, just a demonstration of the elementary features of the
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* curses(3) package.
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*/
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main()
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{
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int i, j, c, n, d = 0;
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char id[100];
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int hh = 0;
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int curx, cury, base, arg;
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initscr();
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signal(SIGINT, quit);
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crmode();
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noecho();
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nonl();
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delwin(stdscr);
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stdscr = newwin(YSIZE, XSIZE, 0, 0);
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flushok(stdscr, TRUE);
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scrollok(stdscr, TRUE);
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erase();
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refresh();
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move(0,0);
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refresh();
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for (i = 0; i < YSIZE + 2; i++) {
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(void)snprintf(id, sizeof id, "%d: ", i);
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addstr(id);
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for (j = 0; j < XSIZE - strlen(id); j++)
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addch('0' + (i % 10));
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}
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c = getchar();
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base = 2;
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curx = cury = 0;
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move(0, 0);
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refresh();
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/*
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* The screen manipulator has the following commands:
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* 'D' - clear to the end of the current line.
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* 'B' - clear to the bottom of the screen.
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* 'E' - erase the screen.
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* 's' - enter standout mode.
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* 'e' - exit standout mode.
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* 'd' n - delete n lines below cursor line.
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* 'i' n - insert n lines below cursor line.
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* 'q' - quit.
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* 'f' - move cursor one position to the right.
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* 'b' - move cursor one position to the left.
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* 'n' - move cursor one line down.
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* 'p' - move cursor one line up.
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* 'h' - home cusor.
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* 'l' - force refresh.
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* 'r' - simulate a carriage return.
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*
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* All other characters are ignored.
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*/
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for(;;) {
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switch(c = getchar()) {
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case 'D':
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clrtoeol();
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refresh();
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continue;
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case 'B':
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clrtobot();
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refresh();
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continue;
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case 'E':
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erase();
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refresh();
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continue;
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case 's':
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standout();
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continue;
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case 'e':
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standend();
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continue;
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case 'd':
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arg = getchar() - '0';
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for (i = 0; i < arg; i++)
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deleteln();
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refresh();
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continue;
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case 'i':
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arg = getchar() - '0';
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for (i = 0; i < arg; i++)
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insertln();
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refresh();
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continue;
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case 'q':
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quit();
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case 'f':
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if (curx < XSIZE - 1)
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curx++;
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else {
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cury++;
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curx = 0;
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}
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break;
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case 'b':
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if (curx == 0) {
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cury--;
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curx = XSIZE - 1;
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} else
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curx--;
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break;
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case 'n':
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cury++;
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break;
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case 'p':
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cury--;
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break;
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case 'h':
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curx = cury = 0;
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break;
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case 'l':
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wrefresh(curscr);
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continue;
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case 'r': /* return */
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{
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int x, y;
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getyx(stdscr, y, x);
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move(y+1, 0);
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insertln();
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move(y, x);
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clrtoeol();
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refresh();
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continue;
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}
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default:
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continue;
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}
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if (cury < 0) {
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base--;
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move(0, 0);
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insertln();
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(void)snprintf(id, sizeof id, "%d: ", base);
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addstr(id);
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for (j = 0; j < XSIZE - strlen(id) - 2; j++)
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addch('0' + (base % 10));
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cury++;
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} else if (cury >= YSIZE) {
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move(0, 0);
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deleteln();
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move(YSIZE - 1, 0);
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(void)snprintf(id, sizeof id, "%d: ", base + YSIZE);
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addstr(id);
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for (j = 0; j < XSIZE - strlen(id) - 2; j++)
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addch('0' + ((base + YSIZE) % 10));
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cury--;
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base++;
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}
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move(cury, curx);
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refresh();
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}
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}
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int
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quit()
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{
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erase();
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refresh();
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endwin();
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exit(0);
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}
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