/****************************************************************************
- * Copyright (c) 1998-2006,2008 Free Software Foundation, Inc. *
+ * Copyright 2018-2020,2022 Thomas E. Dickey *
+ * Copyright 1998-2014,2017 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 *
* authorization. *
****************************************************************************/
/*
- * $Id: rain.c,v 1.33 2008/03/22 18:12:01 tom Exp $
+ * $Id: rain.c,v 1.57 2022/12/04 00:40:11 tom Exp $
*/
#include <test.priv.h>
+#include <popup_msg.h>
/* rain 11/3/1980 EPS/CITHEP */
#ifdef USE_PTHREADS
pthread_cond_t cond_next_drop;
+pthread_mutex_t mutex_drop_data;
pthread_mutex_t mutex_next_drop;
static int used_threads;
static STATS drop_threads[MAX_THREADS];
#endif
+#if HAVE_USE_WINDOW
+static int
+safe_wgetch(WINDOW *w, void *data GCC_UNUSED)
+{
+ return wgetch(w);
+}
+#endif
+
static void
onsig(int n GCC_UNUSED)
{
- curs_set(1);
- endwin();
+ stop_curses();
ExitProgram(EXIT_FAILURE);
}
-static float
+static double
ranf(void)
{
long r = (rand() & 077777);
- return ((float) r / 32768.);
+ return ((double) r / 32768.);
}
static int
random_x(void)
{
- return (((float) (COLS - 4) * ranf()) + 2);
+ return (int) (((double) (COLS - 4) * ranf()) + 2);
}
static int
random_y(void)
{
- return (((float) (LINES - 4) * ranf()) + 2);
+ return (int) (((double) (LINES - 4) * ranf()) + 2);
}
static int
--j;
if (has_colors()) {
int z = (int) (3 * ranf());
- chtype color = COLOR_PAIR(z);
- if (z)
- color |= A_BOLD;
- attrset(color);
+ (void) attrset(AttrArg(COLOR_PAIR(z), (z ? A_BOLD : A_NORMAL)));
}
return j;
}
static void
part1(DATA * drop)
{
- mvaddch(drop->y, drop->x, '.');
+ MvAddCh(drop->y, drop->x, '.');
}
static void
part2(DATA * drop)
{
- mvaddch(drop->y, drop->x, 'o');
+ MvAddCh(drop->y, drop->x, 'o');
}
static void
part3(DATA * drop)
{
- mvaddch(drop->y, drop->x, 'O');
+ MvAddCh(drop->y, drop->x, 'O');
}
static void
part4(DATA * drop)
{
- mvaddch(drop->y - 1, drop->x, '-');
- mvaddstr(drop->y, drop->x - 1, "|.|");
- mvaddch(drop->y + 1, drop->x, '-');
+ MvAddCh(drop->y - 1, drop->x, '-');
+ MvAddStr(drop->y, drop->x - 1, "|.|");
+ MvAddCh(drop->y + 1, drop->x, '-');
}
static void
part5(DATA * drop)
{
- mvaddch(drop->y - 2, drop->x, '-');
- mvaddstr(drop->y - 1, drop->x - 1, "/ \\");
- mvaddstr(drop->y, drop->x - 2, "| O |");
- mvaddstr(drop->y + 1, drop->x - 1, "\\ /");
- mvaddch(drop->y + 2, drop->x, '-');
+ MvAddCh(drop->y - 2, drop->x, '-');
+ MvAddStr(drop->y - 1, drop->x - 1, "/ \\");
+ MvAddStr(drop->y, drop->x - 2, "| O |");
+ MvAddStr(drop->y + 1, drop->x - 1, "\\ /");
+ MvAddCh(drop->y + 2, drop->x, '-');
}
static void
part6(DATA * drop)
{
- mvaddch(drop->y - 2, drop->x, ' ');
- mvaddstr(drop->y - 1, drop->x - 1, " ");
- mvaddstr(drop->y, drop->x - 2, " ");
- mvaddstr(drop->y + 1, drop->x - 1, " ");
- mvaddch(drop->y + 2, drop->x, ' ');
+ MvAddCh(drop->y - 2, drop->x, ' ');
+ MvAddStr(drop->y - 1, drop->x - 1, " ");
+ MvAddStr(drop->y, drop->x - 2, " ");
+ MvAddStr(drop->y + 1, drop->x - 1, " ");
+ MvAddCh(drop->y + 2, drop->x, ' ');
}
#ifdef USE_PTHREADS
static int
put_next_drop(void)
{
- pthread_cond_signal(&cond_next_drop);
+ pthread_cond_broadcast(&cond_next_drop);
pthread_mutex_unlock(&mutex_next_drop);
return 0;
* Find myself in the list of threads so we can count the number of loops.
*/
for (mystats = 0; mystats < MAX_THREADS; ++mystats) {
+#if defined(_NC_WINDOWS) && !defined(__WINPTHREADS_VERSION)
+ if (drop_threads[mystats].myself.p == pthread_self().p)
+#else
if (drop_threads[mystats].myself == pthread_self())
+#endif
break;
}
* to the data which it uses for setting up this thread (but it has
* been modified to use different coordinates).
*/
+ pthread_mutex_lock(&mutex_drop_data);
mydata = *(DATA *) arg;
+ pthread_mutex_unlock(&mutex_drop_data);
draw_part(part1, 0, &mydata);
draw_part(part2, 1, &mydata);
draw_part(part4, 3, &mydata);
draw_part(part5, 4, &mydata);
draw_part(part6, 0, &mydata);
+
} while (get_next_drop());
return NULL;
/*
* The description of pthread_create() is misleading, since it implies that
* threads will exit cleanly after their function returns.
- *
+ *
* Since they do not (and the number of threads is limited by system
* resources), make a limited number of threads, and signal any that are
* waiting when we want a thread past that limit.
static int
get_input(void)
{
- return USING_WINDOW(stdscr, wgetch);
+ return USING_WINDOW1(stdscr, wgetch, safe_wgetch);
}
+static void
+usage(int ok)
+{
+ static const char *msg[] =
+ {
+ "Usage: rain [options]"
+ ,""
+ ,USAGE_COMMON
+ ,"Options:"
+#if HAVE_USE_DEFAULT_COLORS
+ ," -d invoke use_default_colors"
+#endif
+ };
+ size_t n;
+
+ for (n = 0; n < SIZEOF(msg); n++)
+ fprintf(stderr, "%s\n", msg[n]);
+
+ ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+/* *INDENT-OFF* */
+VERSION_COMMON()
+/* *INDENT-ON* */
+
int
-main(int argc GCC_UNUSED,
- char *argv[]GCC_UNUSED)
+main(int argc, char *argv[])
{
+ static const char *help[] =
+ {
+ "Commands:",
+ " q/Q exit the program",
+ " s do single-step",
+ " <space> undo single-step",
+ "",
+ 0
+ };
+
bool done = FALSE;
DATA drop;
#ifndef USE_PTHREADS
DATA last[MAX_DROP];
#endif
int j = 0;
+ int ch;
+#if HAVE_USE_DEFAULT_COLORS
+ bool d_option = FALSE;
+#endif
- setlocale(LC_ALL, "");
+ while ((ch = getopt(argc, argv, OPTS_COMMON "d")) != -1) {
+ switch (ch) {
+#if HAVE_USE_DEFAULT_COLORS
+ case 'd':
+ d_option = TRUE;
+ break;
+#endif
+ case OPTS_VERSION:
+ show_version(argv);
+ ExitProgram(EXIT_SUCCESS);
+ default:
+ usage(ch == OPTS_USAGE);
+ /* NOTREACHED */
+ }
+ }
+ if (optind < argc)
+ usage(FALSE);
- CATCHALL(onsig);
+ setlocale(LC_ALL, "");
- initscr();
+ InitAndCatch(initscr(), onsig);
if (has_colors()) {
int bg = COLOR_BLACK;
start_color();
#if HAVE_USE_DEFAULT_COLORS
- if (use_default_colors() == OK)
+ if (d_option && (use_default_colors() == OK))
bg = -1;
#endif
- init_pair(1, COLOR_BLUE, bg);
- init_pair(2, COLOR_CYAN, bg);
+ init_pair(1, COLOR_BLUE, (short) bg);
+ init_pair(2, COLOR_CYAN, (short) bg);
}
nl();
noecho();
curs_set(0);
timeout(0);
-#ifndef USE_PTHREADS
+#ifdef USE_PTHREADS
+ pthread_mutex_init(&mutex_drop_data, NULL);
+#else /* !USE_PTHREADS */
for (j = MAX_DROP; --j >= 0;) {
last[j].x = random_x();
last[j].y = random_y();
}
+ j = 0;
#endif
while (!done) {
+#ifdef USE_PTHREADS
+ pthread_mutex_lock(&mutex_drop_data);
+
drop.x = random_x();
drop.y = random_y();
-#ifdef USE_PTHREADS
if (start_drop(&drop) != 0) {
beep();
}
+
+ pthread_mutex_unlock(&mutex_drop_data);
#else
+ drop.x = random_x();
+ drop.y = random_y();
+
/*
* The non-threaded code draws parts of each drop on each loop.
*/
case (KEY_RESIZE):
break;
#endif
+ case HELP_KEY_1:
+ popup_msg(stdscr, help);
+ break;
+ case ERR:
+ break;
+ default:
+ beep();
}
napms(50);
}
- curs_set(1);
- endwin();
+ stop_curses();
#ifdef USE_PTHREADS
printf("Counts per thread:\n");
for (j = 0; j < MAX_THREADS; ++j)
projects / ncurses.git / blobdiff