ncurses 6.1 - patch 20180623

[ncurses.git] / test / dots.c

diff --git a/test/dots.c b/test/dots.c
index a03148bdb57f4b9c136273b95a3709cb4fbec2d5..079342372331bed1c15b6fac23b19bbc787af917 100644 (file)
--- a/test/dots.c
+++ b/test/dots.c
@@ -29,7 +29,7 @@
 /*
  * Author: Thomas E. Dickey <dickey@clark.net> 1999
  *
- * $Id: dots.c,v 1.28 2017/10/11 08:15:27 tom Exp $
+ * $Id: dots.c,v 1.33 2017/11/24 19:26:31 tom Exp $
  *
  * A simple demo of the terminfo interface.
  */
@@ -96,20 +96,88 @@ ranf(void)
     return ((double) r / 32768.);
 }
 
+static int
+get_number(NCURSES_CONST char *cap, int map)
+{
+    int result = map;
+    if (cap != 0) {
+       int check = tigetnum(cap);
+       if (check > 0)
+           result = check;
+    }
+    return result;
+}
+
+static void
+usage(void)
+{
+    static const char *msg[] =
+    {
+       "Usage: dots [options]"
+       ,""
+       ,"Options:"
+       ," -T TERM  override $TERM"
+#if HAVE_USE_ENV
+       ," -e       allow environment $LINES / $COLUMNS"
+#endif
+       ," -f       use tigetnum rather than <term.h> mapping"
+       ," -m SIZE  set margin (default: 2)"
+       ," -s MSECS delay 1% of the time (default: 1 msecs)"
+    };
+    size_t n;
+
+    for (n = 0; n < SIZEOF(msg); n++)
+       fprintf(stderr, "%s\n", msg[n]);
+
+    ExitProgram(EXIT_FAILURE);
+}
+
 int
-main(int argc GCC_UNUSED,
-     char *argv[]GCC_UNUSED)
+main(int argc,
+     char *argv[])
 {
     int x, y, z, p;
     double r;
     double c;
     int my_colors;
+    int f_option = 0;
+    int m_option = 2;
+    int s_option = 1;
+
+    while ((x = getopt(argc, argv, "T:efm:s:")) != -1) {
+       switch (x) {
+       case 'T':
+           putenv(strcat(strcpy(malloc(6 + strlen(optarg)), "TERM="), optarg));
+           break;
+#if HAVE_USE_ENV
+       case 'e':
+           use_env(TRUE);
+           break;
+#endif
+       case 'f':
+           f_option = 1;
+           break;
+       case 'm':
+           m_option = atoi(optarg);
+           break;
+       case 's':
+           s_option = atoi(optarg);
+           break;
+       default:
+           usage();
+           break;
+       }
+    }
 
-    srand((unsigned) time(0));
     InitAndCatch(setupterm((char *) 0, 1, (int *) 0), onsig);
+
+    srand((unsigned) time(0));
+
     outs(clear_screen);
     outs(cursor_invisible);
-    my_colors = max_colors;
+
+#define GetNumber(ln,sn) get_number(f_option ? #sn : 0, ln)
+    my_colors = GetNumber(max_colors, colors);
     if (my_colors > 1) {
        if (!VALID_STRING(set_a_foreground)
            || !VALID_STRING(set_a_background)
@@ -117,13 +185,13 @@ main(int argc GCC_UNUSED,
            my_colors = -1;
     }
 
-    r = (double) (lines - 4);
-    c = (double) (columns - 4);
+    r = (double) (GetNumber(lines, lines) - (m_option * 2));
+    c = (double) (GetNumber(columns, cols) - (m_option * 2));
     started = time((time_t *) 0);
 
     while (!interrupted) {
-       x = (int) (c * ranf()) + 2;
-       y = (int) (r * ranf()) + 2;
+       x = (int) (c * ranf()) + m_option;
+       y = (int) (r * ranf()) + m_option;
        p = (ranf() > 0.9) ? '*' : ' ';
 
        tputs(tparm3(cursor_address, y, x), 1, outc);
@@ -133,7 +201,7 @@ main(int argc GCC_UNUSED,
                tputs(tparm2(set_a_foreground, z), 1, outc);
            } else {
                tputs(tparm2(set_a_background, z), 1, outc);
-               napms(1);
+               napms(s_option);
            }
        } else if (VALID_STRING(exit_attribute_mode)
                   && VALID_STRING(enter_reverse_mode)) {
@@ -141,7 +209,7 @@ main(int argc GCC_UNUSED,
                outs((ranf() > 0.6)
                     ? enter_reverse_mode
                     : exit_attribute_mode);
-               napms(1);
+               napms(s_option);
            }
        }
        outc(p);