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authorBaptiste Daroussin <bapt@FreeBSD.org>2020-02-07 08:36:41 +0000
committerBaptiste Daroussin <bapt@FreeBSD.org>2020-02-07 08:36:41 +0000
commitf0179cb6083cc92e5947ae56e6a0a5c5328aead0 (patch)
treebcee0ba9c2149b71f0bfc036df1e61e3105bf980 /test/demo_tabs.c
parentcea297eb34d2361e79529034397465068ae34ecd (diff)
downloadsrc-f0179cb6083cc92e5947ae56e6a0a5c5328aead0.tar.gz
src-f0179cb6083cc92e5947ae56e6a0a5c5328aead0.zip
Vendor import ncurses 6.1-20200118vendor/ncurses/6.1-20200118
Notes
Notes: svn path=/vendor/ncurses/dist/; revision=357645 svn path=/vendor/ncurses/6.1-20200118/; revision=357646; tag=vendor/ncurses/6.1-20200118
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+/****************************************************************************
+ * Copyright (c) 2019 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+ * copy of this software and associated documentation files (the *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/*
+ * Author: Thomas E. Dickey
+ *
+ * $Id: demo_tabs.c,v 1.4 2019/02/24 00:38:13 tom Exp $
+ *
+ * A simple demo of tabs in curses.
+ */
+#define USE_TINFO
+#include "test.priv.h"
+
+static void
+usage(void)
+{
+ static const char *msg[] =
+ {
+ "Usage: demo_tabs [options]",
+ "",
+ "Print a grid to test tab-stops with the curses interface",
+ "",
+ "Options:",
+ " -l COUNT total number of lines to show",
+ " -t NUM set TABSIZE variable to the given value",
+ };
+ unsigned n;
+ for (n = 0; n < SIZEOF(msg); ++n) {
+ fprintf(stderr, "%s\n", msg[n]);
+ }
+ ExitProgram(EXIT_FAILURE);
+}
+
+int
+main(int argc, char *argv[])
+{
+ int tabstop;
+ int n, col, row, step;
+ int line_limit = -1;
+ int curses_stops = -1;
+
+ while ((n = getopt(argc, argv, "l:t:")) != -1) {
+ switch (n) {
+ case 'l':
+ line_limit = atoi(optarg);
+ break;
+ case 't':
+ curses_stops = atoi(optarg);
+ break;
+ default:
+ usage();
+ break;
+ }
+ }
+
+ initscr();
+ noecho();
+ cbreak();
+ if (curses_stops > 0)
+ set_tabsize(curses_stops);
+#if HAVE_TIGETNUM
+ tabstop = tigetnum("it");
+ if (tabstop <= 0)
+#endif
+ tabstop = 8;
+ for (row = 0; row < LINES; ++row) {
+ move(row, 0);
+ for (col = step = 0; col < COLS - 1; ++col) {
+ if (row == 0) {
+ chtype ch = '-';
+ if ((col % tabstop) == 0)
+ ch = '+';
+ addch(ch);
+ } else if (col + 1 < row) {
+ addch('*');
+ } else {
+ printw("%x", step);
+ col = (row + (tabstop * ++step));
+ col /= tabstop;
+ col *= tabstop;
+ col -= 1;
+ if ((col + tabstop) < COLS)
+ addch('\t');
+ refresh();
+ }
+ }
+ addch('\n');
+ if (line_limit > 0 && row >= line_limit)
+ break;
+ }
+ getch();
+ endwin();
+ ExitProgram(EXIT_SUCCESS);
+}