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-rw-r--r--cholerab/cholerab-live/view.py112
1 files changed, 112 insertions, 0 deletions
diff --git a/cholerab/cholerab-live/view.py b/cholerab/cholerab-live/view.py
new file mode 100644
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--- /dev/null
+++ b/cholerab/cholerab-live/view.py
@@ -0,0 +1,112 @@
+#!/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()