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31 * Author: Thomas E. Dickey
33 * $Id: dots_xcurses.c,v 1.25 2022/04/16 18:27:24 tom Exp $
35 * A simple demo of the wide-curses interface used for comparison with termcap.
37 #include <test.priv.h>
39 #if !defined(_NC_WINDOWS)
48 #define NewPair(n) x_option ? ((void *)&(n)) : NULL
50 #define NewPair(n) NULL
53 #define InitPair(p,fg,bg) init_pair((short) (p), (short) (fg), (short) (bg))
55 static bool interrupted = FALSE;
56 static long total_chars = 0;
57 static time_t started;
60 static bool x_option = FALSE;
69 fprintf(stderr, "\n\n%ld total cells, rate %.2f/sec\n",
71 ((double) (total_chars) / (double) (time((time_t *) 0) - started)));
75 onsig(int n GCC_UNUSED)
83 long r = (rand() & 077777);
84 return ((double) r / 32768.);
88 mypair(int fg, int bg)
93 result = alloc_pair(fg, bg);
97 int pair = (fg * COLORS) + bg;
98 result = (pair >= COLOR_PAIRS) ? -1 : pair;
104 set_colors(int fg, int bg)
106 int pair = mypair(fg, bg);
108 (void) color_set((short) pair, NewPair(pair));
115 static const char *msg[] =
117 "Usage: dots_xcurses [options]"
120 ," -T TERM override $TERM"
121 #if HAVE_USE_DEFAULT_COLORS
122 ," -d invoke use_default_colors()"
125 ," -e allow environment $LINES / $COLUMNS"
127 ," -m SIZE set margin (default: 2)"
128 ," -r SECS self-interrupt/exit after specified number of seconds"
129 ," -s MSECS delay 1% of the time (default: 1 msecs)"
131 ," -x use alloc_pair() rather than init_pair()"
136 for (n = 0; n < SIZEOF(msg); n++)
137 fprintf(stderr, "%s\n", msg[n]);
139 ExitProgram(EXIT_FAILURE);
143 main(int argc, char *argv[])
149 #if HAVE_USE_DEFAULT_COLORS
150 bool d_option = FALSE;
158 while ((ch = getopt(argc, argv, "T:dem:r:s:x")) != -1) {
161 need = 6 + strlen(optarg);
162 my_env = malloc(need);
163 _nc_SPRINTF(my_env, _nc_SLIMIT(need) "TERM=%s", optarg);
166 #if HAVE_USE_DEFAULT_COLORS
177 m_option = atoi(optarg);
180 r_option = atoi(optarg);
183 s_option = atoi(optarg);
196 setlocale(LC_ALL, "");
197 srand((unsigned) time(0));
199 SetupAlarm(r_option);
200 InitAndCatch(initscr(), onsig);
203 #if HAVE_USE_DEFAULT_COLORS
205 use_default_colors();
213 for (fg = 0; fg < COLORS; fg++) {
214 for (bg = 0; bg < COLORS; bg++) {
218 ExitProgram(EXIT_FAILURE);
220 pair = mypair(fg, bg);
222 InitPair(pair, fg, bg);
229 r = (double) (LINES - (2 * m_option));
230 c = (double) (COLS - (2 * m_option));
231 started = time((time_t *) 0);
236 while (!interrupted) {
237 int x = (int) (c * ranf()) + m_option;
238 int y = (int) (r * ranf()) + m_option;
239 int p = (ranf() > 0.9) ? '*' : ' ';
243 int z = (int) (ranf() * COLORS);
245 set_colors(fg = z, bg);
247 set_colors(fg, bg = z);
252 if (ranf() <= 0.01) {
254 attr_on(WA_REVERSE, NULL);
256 attr_off(WA_REVERSE, NULL);
262 wch[0] = (wchar_t) p;
268 ExitProgram(EXIT_SUCCESS);
275 printf("This program requires the wide-ncurses library\n");
276 ExitProgram(EXIT_FAILURE);