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tty-clock/clock.c

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/*
* clock.c TTY-CLOCK Main file.
* Copyright © 2008 Martin Duquesnoy <xorg62@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of the nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <time.h>
#include <signal.h>
#include <ncurses.h>
#include <unistd.h>
#include <getopt.h>
#define HELPSTR "tty-clock usage : tty-clock -[option] -[option] <arg>\n\n\
-s, --second Show seconds \n \
-b, --block Lock the keyboard \n \
-c, --center Set the clock at the center of the terminal \n \
-t, --tw Set the hour in 12h format \n \
-x <integer> Set the clock to X \n \
-y <integer> Set the clock to Y \n \
-v, --version Show tty-clock version \n \
-i, --info Show some info about tty-clock \n \
-h, --help Show this page \n\n \
Try keypad arrow for move the clock :-) \n \
push S for enable the second and T for enable the 12H hours format.\n"
#define LGNUM 30
#define DIFFSEC 19
#define DEPTHB -1
#define MAXW getmaxx(stdscr)
#define MAXH getmaxy(stdscr)
typedef enum { False, True } Bool;
void start(void);
void check_key(Bool);
void get_time(void);
void set_center(void);
void handle_sig(int);
void run(void);
/* BIG NUMBER INIT */
static const Bool number[][LGNUM] =
{
{1,1,1,1,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,1,1,1,1}, /* 0 */
{0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1}, /* 1 */
{1,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1}, /* 2 */
{1,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1}, /* 3 */
{1,1,0,0,1,1,1,1,0,0,1,1,1,1,1,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1}, /* 4 */
{1,1,1,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1}, /* 5 */
{1,1,1,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1,1,1}, /* 6 */
{1,1,1,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1}, /* 7 */
{1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1,1,1}, /* 8 */
{1,1,1,1,1,1,1,1,0,0,1,1,1,1,1,1,1,1,0,0,0,0,1,1,1,1,1,1,1,1} /* 9 */
};
/* VARIABLE INIT */
static struct option long_options[] =
{
{"help", 0, NULL, 'h'},
{"version", 0, NULL, 'v'},
{"info", 0, NULL, 'i'},
{"second", 0, NULL, 's'},
{"twelve", 0, NULL, 't'},
{"block", 0, NULL, 'b'},
{"center", 0, NULL, 'c'},
{NULL, 0, NULL, 0}
};
typedef struct
{
Bool second;
Bool twelve;
Bool keylock;
Bool center;
} option_t;
typedef struct
{
int x;
int y;
int width;
int height;
} geo_t;
typedef struct
{
unsigned int hour[2];
unsigned int minute[2];
unsigned int second[2];
unsigned int month_day;
unsigned int month;
unsigned int year;
} date_t;
option_t option = { False, False, True };
geo_t geo = { 1, 1, 33, 5 }; /* Base position of the clock */
Bool running = True;
date_t sdate;
char *meridiem;
int bg, i;
struct tm *tm;
time_t lt;
/* STARTING FUNCTION */
void
start(void)
{
struct sigaction sig;
/* Init curses stuff */
initscr();
noecho();
keypad(stdscr, TRUE);
start_color();
refresh();
bg = (use_default_colors() == OK) ? -1 : COLOR_BLACK; /* -1 = default term bg */
init_pair(0, bg, bg);
init_pair(1, COLOR_BLACK, COLOR_GREEN);
init_pair(2, COLOR_GREEN, bg);
curs_set(0);
clear();
/* Set signal handle */
sig.sa_handler = handle_sig;
sig.sa_flags = 0;
sigaction(SIGWINCH, &sig, NULL);
sigaction(SIGTERM, &sig, NULL);
sigaction(SIGINT, &sig, NULL);
}
/* BIG NUMBER PRINTING FUNCTION */
void
print_number(int num, int x, int y)
{
int sy = y;
for(i = 0; i < LGNUM; ++i, ++sy)
{
if(sy == y + 6)
{
sy = y;
++x;
}
move(x, sy);
attron(COLOR_PAIR(number[num][i]));
addch(' ');
attroff(COLOR_PAIR(number[num][i]));
}
}
/* ARRANGE FINAL POSITION OF NUMBER */
void
arrange_clock(int h1, int h2,
int m1, int m2,
int s1, int s2)
{
print_number(h1, geo.x, geo.y);
print_number(h2, geo.x, geo.y + 7);
attron(COLOR_PAIR(1));
mvaddstr(geo.x + 1, geo.y + 15, " ");
mvaddstr(geo.x + 3, geo.y + 15, " ");
attroff(COLOR_PAIR(1));
print_number(m1, geo.x, geo.y + 19);
print_number(m2, geo.x, geo.y + 26);
if(option.second)
{
attron(COLOR_PAIR(1));
mvaddstr(geo.x + 1, geo.y + 34, " ");
mvaddstr(geo.x + 3, geo.y + 34, " ");
attroff(COLOR_PAIR(1));
print_number(s1, geo.x, geo.y + 38);
print_number(s2, geo.x, geo.y + 45);
}
/* Frame border */
for(i = geo.y + DEPTHB; i < geo.y + geo.width; ++i)
{
mvaddch(geo.x + DEPTHB, i, ACS_HLINE);
mvaddch(geo.x + geo.height, i, ACS_HLINE);
}
for (i = geo.x + DEPTHB; i < geo.x + geo.height; ++i)
{
mvaddch(i, geo.y + DEPTHB, ACS_VLINE);
mvaddch(i, geo.y + geo.width, ACS_VLINE);
}
/* Frame corner */
mvaddch(geo.x + DEPTHB, geo.y + DEPTHB, ACS_ULCORNER);
mvaddch(geo.x + geo.height, geo.y + DEPTHB, ACS_LLCORNER);
mvaddch(geo.x + DEPTHB, geo.y + geo.width, ACS_URCORNER);
mvaddch(geo.x + geo.height, geo.y + geo.width, ACS_LRCORNER);
/* Print the date */
move(geo.x + geo.height + 1, geo.y + ((option.second) ? 21 : 12));
attron(COLOR_PAIR(2));
printw("%.2d/%.2d/%d %s",
sdate.month_day,
sdate.month,
sdate.year,
meridiem);
attroff(COLOR_PAIR(2));
}
/* KEY CHECKING FUNCTION */
void
check_key(Bool keylock)
{
if(!keylock)
return;
switch(getch())
{
case KEY_UP:
case 'k':
case 'K':
if(!option.center)
{
if(geo.x > 1)
--geo.x;
clear();
}
break;
case KEY_DOWN:
case 'j':
case 'J':
if(!option.center)
{
if(geo.x + geo.height + 2 < MAXH)
++geo.x;
clear();
}
break;
case KEY_LEFT:
case 'h':
case 'H':
if(!option.center)
{
if(geo.y > 1)
--geo.y;
clear();
}
break;
case KEY_RIGHT:
case 'l':
case 'L':
if(!option.center)
{
if(geo.y + geo.width + 1 < MAXW)
++geo.y;
clear();
}
break;
case 's':
case 'S':
if(!option.second)
geo.width += DIFFSEC;
else
geo.width -= DIFFSEC;
clear();
option.second = !option.second;
if(option.center)
{
option.center = False;
set_center();
}
break;
case 't':
case 'T':
clear();
option.twelve = !option.twelve;
break;
case 'c':
case 'C':
clear();
set_center();
break;
case 'q':
case 'Q':
running = False;
break;
}
}
/* GETTING TIME FUNCTION */
void
get_time(void)
{
int ihour;
tm = localtime(&lt);
lt = time(NULL);
ihour = tm->tm_hour;
if(option.twelve)
meridiem = (ihour > 12) ? "(PM)" : "(AM)";
else
meridiem = " ";
ihour = (option.twelve && ihour > 12) ? ihour - 12 : ihour;
ihour = (option.twelve && !ihour) ? 12 : ihour;
sdate.hour[0] = ihour / 10;
sdate.hour[1] = ihour % 10;
sdate.minute[0] = tm->tm_min / 10;
sdate.minute[1] = tm->tm_min % 10;
sdate.month_day = tm->tm_mday;
sdate.month = tm->tm_mon + 1;
sdate.year = tm->tm_year + 1900;
if(option.second)
{
sdate.second[0] = tm->tm_sec / 10;
sdate.second[1] = tm->tm_sec % 10;
}
}
/* SET CENTER FUNCTION */
void
set_center(void)
{
if(!option.center)
{
geo.y = MAXW / 2 - (geo.width / 2);
geo.x = MAXH / 2 - (geo.height / 2);
option.center = True;
}
else
option.center = !option.center;
}
/* SIGNAL HANDLE FUNCTION */
void
handle_sig(int num)
{
if(num == SIGWINCH && option.center)
{
endwin();
start();
option.center = !option.center;
set_center();
}
else if(num == SIGINT || num == SIGTERM)
running = False;
}
/* RUN FUCTION */
void
run(void)
{
get_time();
arrange_clock(sdate.hour[0], sdate.hour[1],
sdate.minute[0], sdate.minute[1],
sdate.second[0], sdate.second[1]);
refresh();
halfdelay(1);
}
/* MAIN FUCTION */
int
main(int argc, char **argv)
{
int c;
while ((c = getopt_long(argc,argv,"tx:y:vsbcih",
long_options, NULL)) != -1)
{
switch(c)
{
case 'h':
default:
printf(HELPSTR);
exit(EXIT_SUCCESS);
break;
case 'i':
printf("TTY-Clock by Martin Duquesnoy (xorg62@gmail.com)\n");
exit(EXIT_SUCCESS);
break;
case 'v':
printf("TTY-Clock devel\n");
exit(EXIT_SUCCESS);
break;
case 'x':
if(atoi(optarg) > 0)
geo.x = atoi(optarg) + 1;
break;
case 'y':
if(atoi(optarg) > 0)
geo.y = atoi(optarg) + 1;
break;
case 's': option.second = True; break;
case 't': option.twelve = True; break;
case 'b': option.keylock = False; break;
case 'c': start(); set_center(); break;
}
}
start();
run();
while(running)
{
usleep(10000);
check_key(option.keylock);
run();
}
endwin();
return 0;
}