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/*
* Grand digital clock for curses compatible terminals
* Usage: gdc [-s] [n] -- run for n seconds (default infinity)
* Flags: -s: scroll
*
* modified 10-18-89 for curses (jrl)
* 10-18-89 added signal handling
*
* $Id: gdc.c,v 1.10 1997/10/18 20:06:06 tom Exp $
*/
#include <test.priv.h>
#include <time.h>
#include <signal.h>
#include <string.h>
#define YBASE 10
#define XBASE 10
#define XLENGTH 54
#define YDEPTH 5
/* it won't be */
static time_t now; /* yeah! */
static struct tm *tm;
static short disp[11] = {
075557, 011111, 071747, 071717, 055711,
074717, 074757, 071111, 075757, 075717, 002020
};
static long older[6], next[6], newer[6], mask;
static char scrol;
static int sigtermed = 0;
static int hascolor = 0;
static void set(int, int);
static void standt(int);
static void movto(int, int);
static
RETSIGTYPE sighndl(int signo)
{
signal(signo, sighndl);
sigtermed=signo;
}
static void
drawbox(void)
{
chtype bottom[XLENGTH+1];
int n;
if(hascolor)
attrset(COLOR_PAIR(3));
mvaddch(YBASE - 1, XBASE - 1, ACS_ULCORNER);
hline(ACS_HLINE, XLENGTH);
mvaddch(YBASE - 1, XBASE + XLENGTH, ACS_URCORNER);
mvaddch(YBASE + YDEPTH, XBASE - 1, ACS_LLCORNER);
mvinchnstr(YBASE + YDEPTH, XBASE, bottom, XLENGTH);
for (n = 0; n < XLENGTH; n++)
bottom[n] = ACS_HLINE | (bottom[n] & (A_ATTRIBUTES | A_COLOR));
mvaddchnstr(YBASE + YDEPTH, XBASE, bottom, XLENGTH);
mvaddch(YBASE + YDEPTH, XBASE + XLENGTH, ACS_LRCORNER);
move(YBASE, XBASE - 1);
vline(ACS_VLINE, YDEPTH);
move(YBASE, XBASE + XLENGTH);
vline(ACS_VLINE, YDEPTH);
if(hascolor)
attrset(COLOR_PAIR(2));
}
int
main(int argc, char *argv[])
{
long t, a;
int i, j, s, k;
int n = 0;
signal(SIGINT,sighndl);
signal(SIGTERM,sighndl);
signal(SIGKILL,sighndl);
initscr();
cbreak();
noecho();
nodelay(stdscr, 1);
curs_set(0);
hascolor = has_colors();
if(hascolor) {
int bg = COLOR_BLACK;
start_color();
#ifdef NCURSES_VERSION
if (use_default_colors() == OK)
bg = -1;
#endif
init_pair(1, COLOR_BLACK, COLOR_RED);
init_pair(2, COLOR_RED, bg);
init_pair(3, COLOR_WHITE, bg);
attrset(COLOR_PAIR(2));
}
clear();
refresh();
while(--argc > 0) {
if(**++argv == '-')
scrol = 1;
else
n = atoi(*argv);
}
drawbox();
do {
char buf[30];
mask = 0;
time(&now);
tm = localtime(&now);
set(tm->tm_sec%10, 0);
set(tm->tm_sec/10, 4);
set(tm->tm_min%10, 10);
set(tm->tm_min/10, 14);
set(tm->tm_hour%10, 20);
set(tm->tm_hour/10, 24);
set(10, 7);
set(10, 17);
for(k=0; k<6; k++) {
if(scrol) {
for(i=0; i<5; i++)
newer[i] = (newer[i]&~mask) | (newer[i+1]&mask);
newer[5] = (newer[5]&~mask) | (next[k]&mask);
} else
newer[k] = (newer[k]&~mask) | (next[k]&mask);
next[k] = 0;
for(s=1; s>=0; s--) {
standt(s);
for(i=0; i<6; i++) {
if((a = (newer[i]^older[i])&(s ? newer : older)[i]) != 0) {
for(j=0,t=1<<26; t; t>>=1,j++) {
if(a&t) {
if(!(a&(t<<1))) {
movto(YBASE + i, XBASE + 2*j);
}
addstr(" ");
}
}
}
if(!s) {
older[i] = newer[i];
}
}
if(!s) {
if (scrol)
drawbox();
refresh();
if (scrol)
napms(150);
}
}
}
/* this depends on the detailed format of ctime(3) */
(void) strcpy(buf, ctime(&now));
(void) strcpy(buf + 10, buf + 19);
mvaddstr(16, 30, buf);
movto(6, 0);
drawbox();
refresh();
sleep(1);
while(wgetch(stdscr) != ERR)
continue;
if (sigtermed) {
standend();
clear();
refresh();
curs_set(1);
endwin();
fprintf(stderr, "gdc terminated by signal %d\n", sigtermed);
return EXIT_FAILURE;
}
} while(--n);
standend();
clear();
refresh();
curs_set(1);
endwin();
return EXIT_SUCCESS;
}
static void
set(int t, int n)
{
int i, m;
m = 7<<n;
for(i=0; i<5; i++) {
next[i] |= ((disp[t]>>(4-i)*3)&07)<<n;
mask |= (next[i]^older[i])&m;
}
if(mask&m)
mask |= m;
}
static void
standt(int on)
{
if (on) {
if(hascolor) {
attron(COLOR_PAIR(1));
} else {
attron(A_STANDOUT);
}
} else {
if(hascolor) {
attron(COLOR_PAIR(2));
} else {
attroff(A_STANDOUT);
}
}
}
static void
movto(int line, int col)
{
move(line, col);
}
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