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/*
* $Id$
*
* This file is based on the 'Grand digital clock' (gdc.c) shipped with
* ncurses.
*/
#include <time.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <ncurses.h>
#include "config.h"
#ifndef DISABLE_CLOCK_SCREEN
#include "ncmpc.h"
#include "mpdclient.h"
#include "options.h"
#include "command.h"
#include "screen.h"
#include "screen_utils.h"
#define YDEPTH 5
#define BUFSIZE 64
#define ENABLE_SECONDS 0
static window_t win = { NULL, 0, 0 };
static gboolean enable_seconds = ENABLE_SECONDS;
/* orginal variables from gdc.c */
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 int YBASE = 10;
static int XBASE = 10;
static int XLENGTH = 54;
/* orginal functions */
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
drawbox(void)
{
chtype bottom[XLENGTH + 1];
int n;
mvwaddch(win.w, YBASE - 1, XBASE - 1, ACS_ULCORNER);
whline(win.w, ACS_HLINE, XLENGTH);
mvwaddch(win.w, YBASE - 1, XBASE + XLENGTH, ACS_URCORNER);
mvwaddch(win.w, YBASE + YDEPTH, XBASE - 1, ACS_LLCORNER);
mvwinchnstr(win.w, YBASE + YDEPTH, XBASE, bottom, XLENGTH);
for (n = 0; n < XLENGTH; n++)
bottom[n] = ACS_HLINE | (bottom[n] & (A_ATTRIBUTES | A_COLOR));
mvwaddchnstr(win.w, YBASE + YDEPTH, XBASE, bottom, XLENGTH);
mvwaddch(win.w, YBASE + YDEPTH, XBASE + XLENGTH, ACS_LRCORNER);
wmove(win.w, YBASE, XBASE - 1);
wvline(win.w, ACS_VLINE, YDEPTH);
wmove(win.w, YBASE, XBASE + XLENGTH);
wvline(win.w, ACS_VLINE, YDEPTH);
}
static void
standt(int on)
{
if(on)
wattron(win.w, A_REVERSE);
else
wattroff(win.w, A_REVERSE);
}
/* ncmpc screen functions */
static void
clock_resize(int cols, int rows)
{
int j;
for (j = 0; j < 5; j++)
older[j] = newer[j] = next[j] = 0;
win.cols = cols;
win.rows = rows;
if( cols<60 )
enable_seconds = FALSE;
else
enable_seconds = ENABLE_SECONDS;
if( enable_seconds )
XLENGTH = 54;
else
XLENGTH = 54-18;
XBASE = (cols-XLENGTH)/2;
YBASE = (rows-YDEPTH)/2-(YDEPTH/2)+2;
}
static void
clock_init(WINDOW *w, int cols, int rows)
{
win.w = w;
clock_resize(cols, rows);
}
static void
clock_exit(void)
{
}
static void
clock_open(screen_t *screen, mpdclient_t *c)
{
int j;
for (j = 0; j < 5; j++)
older[j] = newer[j] = next[j] = 0;
}
static void
clock_close(void)
{
}
static char *
clock_title(char *str, size_t size)
{
return _("Clock");
}
static void
clock_update(screen_t *screen, mpdclient_t *c)
{
time_t now;
struct tm *tm;
long t, a;
int i, j, s, k;
char buf[BUFSIZE];
time(&now);
tm = localtime(&now);
if( win.rows<=YDEPTH+1 || win.cols<=XLENGTH+1 )
{
strftime(buf, BUFSIZE, "%X ",tm);
mvwaddstr(win.w, win.rows ? win.rows/2:0, (win.cols-strlen(buf))/2, buf);
wrefresh(win.w);
return;
}
mask = 0;
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++) {
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))) {
wmove(win.w, YBASE + i, XBASE + 2 * j);
}
if( enable_seconds || j<18 )
waddstr(win.w, " ");
}
}
}
if (!s) {
older[i] = newer[i];
}
}
if (!s) {
wrefresh(win.w);
}
}
}
#ifdef HAVE_LOCALE_H
strftime(buf, BUFSIZE, "%x", tm);
# else
/* this depends on the detailed format of ctime(3) */
strcpy(buf, ctime(&now));
strcpy(buf + 10, buf + 19);
#endif
mvwaddstr(win.w, YBASE+YDEPTH+1, (win.cols-strlen(buf))/2, buf);
wmove(win.w, 6, 0);
drawbox();
wrefresh(win.w);
}
static void
clock_paint(screen_t *screen, mpdclient_t *c)
{
/* this seems to be a better way to clear the window than wclear() ?! */
wmove(win.w, 0, 0);
wclrtobot(win.w);
clock_update(screen, c);
}
static int
clock_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
{
return 0;
}
screen_functions_t *
get_screen_clock(void)
{
static screen_functions_t functions;
memset(&functions, 0, sizeof(screen_functions_t));
functions.init = clock_init;
functions.exit = clock_exit;
functions.open = clock_open;
functions.close = clock_close;
functions.resize = clock_resize;
functions.paint = clock_paint;
functions.update = clock_update;
functions.cmd = clock_cmd;
functions.get_lw = NULL;
functions.get_title = clock_title;
return &functions;
}
#endif
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