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Code: Alles auswählen

import curses

class Screen(object):
  curses.setupterm()
  TERM_COLS = curses.tigetnum("cols")
  TERM_LINES = curses.tigetnum("lines")
  OUTWIN_COLS = TERM_COLS
  OUTWIN_LINES = TERM_LINES - 5
  OUTWIN_COLS_MAX = OUTWIN_COLS - 2
  OUTWIN_LINES_MAX = OUTWIN_LINES - 2
  OUTWIN_START_POS = [1, 2]
  INWIN_COLS = TERM_COLS
  INWIN_LINES = 5
  INWIN_COLS_MAX = TERM_COLS - 2
  INWIN_LINES_MAX = INWIN_LINES - 2

  def __init__(self):
    self.stdscr = curses.initscr()
    self.outwin = self.stdscr.subwin(self.OUTWIN_LINES,
                                     self.OUTWIN_COLS, 0, 0)
    self.outwin.box()
    self.outwin.refresh()
    self.inwin = self.stdscr.subwin(self.INWIN_LINES,
                                    self.INWIN_COLS,
                                    self.OUTWIN_LINES, 0)
    self.inwin.box()
    self.inwin.refresh()

    self._outwin_pos = self.OUTWIN_START_POS[:]
    self._outwin_scroll = 0
    self._outwin_content = ""

  def __del__(self):
    curses.endwin()

  def write_output(self, data, attr=0):
    data = data.replace("\r", "")
    for char in data:
      if char == "\n" or self._outwin_pos[1] == self.OUTWIN_COLS_MAX:
        if self._outwin_pos[0] == self.OUTWIN_LINES_MAX:
          self.scroll_outwin(1)
        self._outwin_pos[0] += 1
        self._outwin_content += "\n"
        self._outwin_pos[1] = self.OUTWIN_START_POS[1]
        if char == "\n":
          continue
      self.outwin.addstr(self._outwin_pos[0],
                         self._outwin_pos[1],
                         char, attr)
      self._outwin_content += char
      self._outwin_pos[1] += 1
    self.outwin.refresh()
    return True

  def scroll_outwin(self, lines):
    if lines != 0:
      data = self._outwin_content.split("\n")
      from_line = self._outwin_scroll + lines
      till_line = self._outwin_scroll + lines + self.OUTWIN_LINES_MAX
      data = data[from_line:till_line]
#      data += ["" for dummy in xrange(self.OUTWIN_LINES_MAX - len(data))]
      data = "\n".join(data)
      print "\a"
      self._outwin_pos[0] = self.OUTWIN_START_POS[0]
      self._outwin_pos[1] = self.OUTWIN_START_POS[1]
      self.outwin.clear()
      self.outwin.box()
      self.write_output(data)
      self._outwin_scroll = from_line
      self._outwin_pos[0] -= 1
      print >>file("data", "w"), from_line, till_line, self._outwin_pos[0], data
      return True
    else:
      return True

Code: Alles auswählen

#!/usr/bin/env python

import random, sys, time

def main():
  scr = Screen()
  while True:
    scr.write_output(random.choice(["x\n", "xx\n", "xxx\n"]))
    time.sleep(0.5)

if __name__ == "__main__":
  try:
    main()
  except KeyboardInterrupt:
    sys.exit(1)

Code: Alles auswählen

import urwid.curses_display
import urwid

class Screen(object):
  def __init__(self):
    self.tui = urwid.curses_display.Screen()
    self.size = self.tui.get_cols_rows()
    self.lines = [urwid.Text('Hello')]
    self.listbox = urwid.ListBox(self.lines)
    self.input = urwid.Edit()
    self.frame = urwid.Frame(self.listbox, footer = self.input)
    self.frame.set_focus('footer')
    self.redisplay()

  def addLine(self, text):
    self.lines.append(urwid.Text(text))
    self.listbox.set_focus(len(self.lines) - 1)
    self.redisplay()

  def redisplay(self):
    canvas = self.frame.render(self.size, focus = True)
    self.tui.draw_screen(self.size, canvas)

  def doRead(self):
    keys = self.tui.get_input()
    for key in keys:
      if key == 'window resize':
        self.size = self.tui.get_cols_rows()
      elif key == 'enter':
        text = self.input.get_edit_text()
        self.input.set_edit_text('')
        self.addLine(text)
        #self.irc.sendLine(text)
      elif key in ('up', 'down', 'page up', 'page down'):
        self.listbox.keypress(self.size, key)
      else:
        self.frame.keypress(self.size, key)
    self.redisplay()