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#!/usr/bin/python2
from curses import *
import socket
import threading
import logging
log = logging.getLogger('cholerab-curses')
class CursesView(threading.Thread):
def addch(self,char):
"""
adds a char at the current cursor position
abstraction to the curses win.addch()
"""
try: self.win.addch(char)
except: pass
self.cholerab.send_char(self.x,self.y,chr(char))
def stop(self):
#TODO setting back the whole terminal currently does not work correctly, fix me harder
self.running = False
self.clear()
self.win.refresh()
nocbreak(); self.scr.keypad(0); echo()
#endwin()
def run(self):
"""
input loop
TODO add Unicode Input Support
"""
self.running = True
def try_move(x,y):
if x >= self.width: x = 0;y = y+1
if x < 0 : x = self.width-1; y= y-1
if y >= self.height : x = x+1;y = 0
if y < 0 : x = x-1; y = self.height-1
self.win.move(y,x); return x,y
while self.running:
c = self.scr.getch() #get_char(self.scr)
#TODO UTF8 here, get_wch not yet implemented
log.debug("Pressed : %d" % c)
if c == KEY_LEFT : self.x -=1
elif c == KEY_RIGHT : self.x +=1
elif c == KEY_UP : self.y -=1
elif c == KEY_DOWN : self.y +=1
elif c == ord('q') : self.stop()
elif c == 127 or c == KEY_BACKSPACE:
log.info('backspace pressed')
self.x -=1;
self.x,self.y = try_move(self.x,self.y)
self.addch(ord(' '))
elif c == ord('\n'):
log.info('enter pressed')
self.y +=1;
self.x,self.y = try_move(self.x,self.y)
else :
self.addch(c)
self.x +=1
self.x,self.y = try_move(self.x,self.y)
self.refresh()
def write_char(self,x,y,char,user=1):
user = user % 3 + 1
self.win.addch(y,x,char,color_pair(user))
self.win.move(self.y,self.x)
self.refresh()
def write_str(self,x,y,string,user=1):
self.win.addstr(y,x,string,color_pair(user))
self.win.move(self.y,self.x)
self.refresh()
def refresh(self):
self.scr.refresh()
self.win.refresh()
def clear(self):
self.win.clear()
pass
def write_field(self,ar):
"""
writes the whole field with given 2-dimensional array
"""
self.clear()
pass
def __init__(self,height=24,width=80,cholerab=None,scr=None):
# TODO handle sessions somehow
if scr:
self.scr = scr
else:
self.scr = initscr()
start_color()
init_pair(1,COLOR_WHITE,COLOR_BLACK)
init_pair(2,COLOR_RED,COLOR_BLACK)
init_pair(3,COLOR_GREEN,COLOR_BLACK)
init_pair(3,COLOR_CYAN,COLOR_BLACK)
threading.Thread.__init__(self)
self.cholerab = cholerab
noecho()
cbreak()
self.scr.keypad(1)
try: curs_set(2)
except: pass # go home with your non-standard terminals!
begin_x = 0;begin_y = 0
self.height = height
self.width = width
self.x = 0 ; self.y = 0
self.win = newwin(height,width,begin_y,begin_x)
self.clear()
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