curses_clock.py

#!/usr/bin/env python

import curses
import signal
import traceback
import time

DIGIT_WIDTH = 5
DIGIT_HEIGHT = 5
DIGIT_SPACING = 2

'''
_0_0_._0_0_0_
'''

width = 7*DIGIT_SPACING + 6*DIGIT_WIDTH 
height = 2*DIGIT_SPACING + DIGIT_HEIGHT


# numbers, list of coords in (y,x)

digits = [
    [
        "#####",
        "#   #",
        "#   #",
        "#   #",
        "#####"
        ],
    [
        "  #  ",
        " ##  ",
        "  #  ",
        "  #  ",
        " ### ",
        ],
    [
        "#####",
        "    #",
        "#####",
        "#    ",
        "#####",
        ],
    [
        "#####",
        "    #",
        " ####",
        "    #",
        "#####",
        ],
    [
        "#   #",
        "#   #",
        "#####",
        "    #",
        "    #",
        ],
    [
        "#####",
        "#    ",
        "#####",
        "    #",
        "#####",
        ],
    [
        "#####",
        "#    ",
        "#####",
        "#   #",
        "#####",
        ],
    [
        "#####",
        "    #",
        "    #",
        "    #",
        "    #",
        ],
    [
        "#####",
        "#   #",
        "#####",
        "#   #",
        "#####",
        ],
    [
        "#####",
        "#   #",
        "#####",
        "    #",
        "    #",
        ],
    [
        "",
        "",
        "",
        "",
        "  # ",
        ],
]

def draw_digit(win, digit, y, x):
    sections = digits[digit]
    position = 0
    for section in sections:
        xpos = x
        for char in section:
            if char == ' ':
                win.addstr(position+y, xpos, ' ', curses.color_pair(0))
            else:
                win.addstr(position+y, xpos, ' ', curses.color_pair(1))
            xpos += 1
        position += 1

def draw_time(win, digits):
    h,w = win.getmaxyx()
    x_pos = (w - width) / 2
    x_pos += DIGIT_SPACING
    y_pos = 1
    digits.insert(2, 10) #add in the point
    for d in digits:
        draw_digit(win, d, y_pos, x_pos)
        x_pos += (DIGIT_SPACING + DIGIT_WIDTH)

def tick(win):
    tm = time.localtime()
    t = ks = tm.tm_hour*3600 + tm.tm_min*60 + tm.tm_sec
    a = ks/10000; ks -= a*10000
    b = ks/1000; ks -= b*1000
    c = ks/100; ks -= c*100
    d = ks/10; ks -= d*10
    e = ks
    draw_time(win, [a,b,c,d,e])
    return t
    

def init_screen():
    screen = curses.initscr()
    curses.noecho()
    curses.cbreak()
    screen.clear()
   
def main(screen):
    curses.curs_set(0) #hide cursor
    screen.nodelay(1) # don't wait for input
    curses.init_pair(1, curses.COLOR_RED, curses.COLOR_WHITE)

    def screen_resize(*args):
        print "LOLOLOLOL"
        screen.erase()
        screen.refresh()

    signal.signal(signal.SIGWINCH, screen_resize)

    screen.hline(0,0,curses.ACS_BULLET, width)
    screen.hline(DIGIT_HEIGHT+1,0,curses.ACS_BULLET, width)
    screen.vline(1,0,curses.ACS_BULLET, DIGIT_HEIGHT)
    screen.vline(1,width-1,curses.ACS_BULLET, DIGIT_HEIGHT)

    t = None
    while True:
        newtime = tick(screen)
        if t != newtime:
            screen.refresh()
        t = newtime

        c = screen.getch()
        if c == ord('q'):
            break
        
        time.sleep(0.5)

if __name__ == '__main__':
    curses.wrapper(main)