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aclock-unix-curses.c
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aclock-unix-curses.c
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/*
* aclock - ascii clock for UNIX Console
*
* Copyright (c) 2002 Antoni Sawicki <[email protected]>
* Version 2.3 (unix-curses); Mountain View, July 2013
*
* Compilation: cc aclock-unix-curses.c -o aclock -lcurses -lm
*
*/
#include <unistd.h>
#include <curses.h>
#include <math.h>
#include <time.h>
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#define FontWH_Ratio 2
void draw_circle(int hand_max, int sYcen, int sXcen){
int x,y,r;
char c;
for(r=0;r<60;r++){
x=cos(r*M_PI/180*6)*hand_max*FontWH_Ratio+sXcen;
y=sin(r*M_PI/180*6)*hand_max+sYcen;
switch (r) {
case 0:
case 5:
case 10:
case 15:
case 20:
case 25:
case 30:
case 35:
case 40:
case 45:
case 50:
case 55:
c='o';
break;
default:
c='.';
break;
}
mvaddch(y,x,c);
}
}
void draw_hand(int minute, int hlenght, char c, int sXcen, int sYcen){
int x,y,n;
float r=(minute-15)*(M_PI/180)*6;
for(n=1; n<hlenght; n++){
x=cos(r)*n*FontWH_Ratio+sXcen;
y=sin(r)*n+sYcen;
mvaddch(y,x,c);
}
}
int main(void){
char INFO[]="Copyright (c) 1994-2013 Antoni Sawicki <[email protected]>\n"
"Version 2.3 (unix-curses); Mountain View, July 2013\n";
char digital_time[15];
int sXmax, sYmax, smax, hand_max, sXcen, sYcen;
time_t t;
struct tm *ltime;
sXmax=sYmax=hand_max=sXcen=sYcen=0;
initscr();
while(1){
time(&t);
ltime=localtime(&t);
sXmax = COLS;
sYmax = LINES;
if(sXmax/FontWH_Ratio<=sYmax)
smax=sXmax/FontWH_Ratio;
else
smax=sYmax;
hand_max = (smax/2)-1;
sXcen = sXmax/2;
sYcen = sYmax/2;
erase();
draw_circle(hand_max, sYcen, sXcen);
draw_hand((ltime->tm_hour*5)+(ltime->tm_min/10), 2*hand_max/3, 'h', sXcen, sYcen);
draw_hand(ltime->tm_min, hand_max-2, 'm', sXcen, sYcen);
draw_hand(ltime->tm_sec, hand_max-1, '.', sXcen, sYcen);
mvaddstr(sYcen-(3*hand_max/5), sXcen-5, ".:ACLOCK:.");
mvprintw(sYcen+(3*hand_max/5), sXcen-5, "[%02d:%02d:%02d]", ltime->tm_hour, ltime->tm_min, ltime->tm_sec);
refresh();
sleep(1);
}
endwin();
return 0;
}