ncurses 5.6

[ncurses.git] / test / echochar.c

diff --git a/test/echochar.c b/test/echochar.c
new file mode 100644 (file)
index 0000000..9f2d11c
--- /dev/null
+++ b/test/echochar.c
@@ -0,0 +1,158 @@
+/****************************************************************************
+ * Copyright (c) 2006 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.                                                           *
+ ****************************************************************************/
+/*
+ * $Id: echochar.c,v 1.3 2006/12/03 00:14:29 tom Exp $
+ *
+ * Demonstrate the echochar function (compare to dots.c).
+ * Thomas Dickey - 2006/11/4
+ */
+
+#include <test.priv.h>
+
+#include <time.h>
+
+#define valid(s) ((s != 0) && s != (char *)-1)
+
+static bool interrupted = FALSE;
+static long total_chars = 0;
+static time_t started;
+
+static void
+cleanup(void)
+{
+    endwin();
+
+    printf("\n\n%ld total chars, rate %.2f/sec\n",
+          total_chars,
+          ((double) (total_chars) / (time((time_t *) 0) - started)));
+}
+
+static void
+onsig(int n GCC_UNUSED)
+{
+    interrupted = TRUE;
+}
+
+static float
+ranf(void)
+{
+    long r = (rand() & 077777);
+    return ((float) r / 32768.);
+}
+
+static void
+set_color(char *my_pairs, int fg, int bg)
+{
+    int pair = (fg * COLORS) + bg;
+    if (!my_pairs[pair]) {
+       init_pair(pair, fg, bg);
+    }
+    attron(COLOR_PAIR(pair));
+}
+
+int
+main(
+       int argc GCC_UNUSED,
+       char *argv[]GCC_UNUSED)
+{
+    int ch, x, y, z, p;
+    float r;
+    float c;
+    bool use_colors;
+    bool opt_r = FALSE;
+    char *my_pairs = 0;
+    int last_fg = 0;
+    int last_bg = 0;
+
+    while ((ch = getopt(argc, argv, "r")) != EOF) {
+       switch (ch) {
+       case 'r':
+           opt_r = TRUE;
+           break;
+       default:
+           fprintf(stderr, "usage: echochar [-r]\n");
+           ExitProgram(EXIT_FAILURE);
+       }
+    }
+
+    CATCHALL(onsig);
+    initscr();
+
+    use_colors = has_colors();
+    if (use_colors) {
+       start_color();
+       if (COLOR_PAIRS > 0) {
+           my_pairs = calloc(COLOR_PAIRS, sizeof(*my_pairs));
+       }
+       use_colors = (my_pairs != 0);
+    }
+
+    srand((unsigned) time(0));
+
+    curs_set(0);
+
+    r = (float) (LINES - 4);
+    c = (float) (COLS - 4);
+    started = time((time_t *) 0);
+
+    while (!interrupted) {
+       x = (int) (c * ranf()) + 2;
+       y = (int) (r * ranf()) + 2;
+       p = (ranf() > 0.9) ? '*' : ' ';
+
+       move(y, x);
+       if (use_colors > 0) {
+           z = (int) (ranf() * COLORS);
+           if (ranf() > 0.01) {
+               set_color(my_pairs, z, last_bg);
+               last_fg = z;
+           } else {
+               set_color(my_pairs, last_fg, z);
+               last_bg = z;
+               napms(1);
+           }
+       } else {
+           if (ranf() <= 0.01) {
+               if (ranf() > 0.6)
+                   attron(A_REVERSE);
+               else
+                   attroff(A_REVERSE);
+               napms(1);
+           }
+       }
+       if (opt_r) {
+           addch(p);
+           refresh();
+       } else {
+           echochar(p);
+       }
+       ++total_chars;
+    }
+    cleanup();
+    ExitProgram(EXIT_SUCCESS);
+}