+/****************************************************************************
+ * Copyright (c) 2017 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: dots_xcurses.c,v 1.8 2017/10/12 00:20:41 tom Exp $
+ *
+ * A simple demo of the wide-curses interface used for comparison with termcap.
+ */
+#include <test.priv.h>
+
+#if !defined(__MINGW32__)
+#include <sys/time.h>
+#endif
+
+#include <time.h>
+
+#if USE_WIDEC_SUPPORT
+
+#if HAVE_ALLOC_PAIR
+#define NewPair(n) x_option ? ((void *)&(n)) : NULL
+#else
+#define NewPair(n) NULL
+#endif
+
+#define InitPair(p,fg,bg) init_pair((short) (p), (short) (fg), (short) (bg))
+
+static bool interrupted = FALSE;
+static long total_chars = 0;
+static time_t started;
+
+#ifdef NCURSES_VERSION
+static bool d_option = FALSE;
+static bool x_option = FALSE;
+#endif
+
+static void
+cleanup(void)
+{
+ endwin();
+
+ printf("\n\n%ld total cells, rate %.2f/sec\n",
+ total_chars,
+ ((double) (total_chars) / (double) (time((time_t *) 0) - started)));
+}
+
+static void
+onsig(int n GCC_UNUSED)
+{
+ interrupted = TRUE;
+}
+
+static double
+ranf(void)
+{
+ long r = (rand() & 077777);
+ return ((double) r / 32768.);
+}
+
+static int
+mypair(int fg, int bg)
+{
+ int result;
+#if HAVE_ALLOC_PAIR
+ if (x_option) {
+ result = alloc_pair(fg, bg);
+ } else
+#endif
+ {
+ int pair = (fg * COLORS) + bg;
+ result = (pair >= COLOR_PAIRS) ? -1 : pair;
+ }
+ return result;
+}
+
+static void
+set_colors(int fg, int bg)
+{
+ int pair = mypair(fg, bg);
+ if (pair > 0) {
+ color_set((short) pair, NewPair(pair));
+ }
+}
+
+#if defined(NCURSES_VERSION)
+static void
+usage(void)
+{
+ static const char *msg[] =
+ {
+ "Usage: firework [options]"
+ ,""
+ ,"Options:"
+#if HAVE_USE_DEFAULT_COLORS
+ ," -d invoke use_default_colors()"
+#endif
+#if HAVE_ALLOC_PAIR
+ ," -x use alloc_pair() rather than init_pair()"
+#endif
+ };
+ size_t n;
+
+ for (n = 0; n < SIZEOF(msg); n++)
+ fprintf(stderr, "%s\n", msg[n]);
+
+ ExitProgram(EXIT_FAILURE);
+}
+#endif
+
+int
+main(int argc GCC_UNUSED,
+ char *argv[]GCC_UNUSED)
+{
+ int margin = 2;
+ int x, y, z, p;
+ int fg, bg, ch;
+ wchar_t wch[2];
+ int pair;
+ double r;
+ double c;
+
+#if defined(NCURSES_VERSION)
+ while ((ch = getopt(argc, argv, "dx")) != -1) {
+ switch (ch) {
+ case 'd':
+ d_option = TRUE;
+ break;
+#if HAVE_ALLOC_PAIR
+ case 'x':
+ x_option = TRUE;
+ break;
+#endif
+ default:
+ usage();
+ break;
+ }
+ }
+#endif
+
+ srand((unsigned) time(0));
+
+ InitAndCatch(initscr(), onsig);
+ if (has_colors()) {
+ start_color();
+#if HAVE_USE_DEFAULT_COLORS
+ if (d_option)
+ use_default_colors();
+#endif
+ if (x_option) {
+ ; /* nothing */
+ } else {
+ for (fg = 0; fg < COLORS; fg++) {
+ for (bg = 0; bg < COLORS; bg++) {
+ pair = mypair(fg, bg);
+ if (pair > 0) {
+ InitPair(pair, fg, bg);
+ }
+ }
+ }
+ }
+ }
+
+ r = (double) (LINES - (2 * margin));
+ c = (double) (COLS - (2 * margin));
+ started = time((time_t *) 0);
+
+ fg = COLOR_WHITE;
+ bg = COLOR_BLACK;
+ pair = 0;
+ wch[1] = 0;
+ while (!interrupted) {
+ x = (int) (c * ranf()) + margin;
+ y = (int) (r * ranf()) + margin;
+ p = (ranf() > 0.9) ? '*' : ' ';
+
+ move(y, x);
+ if (has_colors()) {
+ z = (int) (ranf() * COLORS);
+ if (ranf() > 0.01) {
+ set_colors(fg = z, bg);
+ } else {
+ set_colors(fg, bg = z);
+ napms(1);
+ }
+ } else {
+ if (ranf() <= 0.01) {
+ if (ranf() > 0.6) {
+ attr_on(WA_REVERSE, NULL);
+ } else {
+ attr_off(WA_REVERSE, NULL);
+ }
+ napms(1);
+ }
+ }
+ wch[0] = p;
+ addnwstr(wch, 1);
+ refresh();
+ ++total_chars;
+ }
+ cleanup();
+ ExitProgram(EXIT_SUCCESS);
+}
+
+#else
+int
+main(void)
+{
+ printf("This program requires the wide-ncurses library\n");
+ ExitProgram(EXIT_FAILURE);
+}
+#endif
projects / ncurses.git / commitdiff