terminator/terminator

#!/usr/bin/python
#    Terminator - multiple gnome terminals in one window
#    Copyright (C) 2006-2008  cmsj@tenshu.net
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, version 2 only.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

"""Terminator by Chris Jones <cmsj@tenshu.net>"""

# Global defines
APP_NAME = 'terminator'
APP_VERSION = '0.9'

# import standard python libs
import os, platform, sys, string, time, math, subprocess
from optparse import OptionParser

try:
  import gettext
  gettext.install (APP_NAME)
except:
  def _ (text):
    return text

# import unix-lib
import pwd

TARGET_TYPE_VTE = 8

# import our configuration loader
from terminatorlib import config
from terminatorlib.config import dbg

#import encoding list
from terminatorlib.encoding import TerminatorEncoding

# Sort out cwd detection code, if available
pid_get_cwd = lambda pid: None
if platform.system() == 'FreeBSD':
  try:
    from terminatorlib import freebsd
    pid_get_cwd = lambda pid: freebsd.get_process_cwd(pid)
    dbg ('Using FreeBSD pid_get_cwd')
  except:
    dbg ('FreeBSD version too old for pid_get_cwd')
    pass
elif platform.system() == 'Linux':
  dbg ('Using Linux pid_get_cwd')
  pid_get_cwd = lambda pid: os.path.realpath ('/proc/%s/cwd' % pid)
else:
  dbg ('Unable to set a pid_get_cwd, unknown system: %s'%platform.system)

# import gtk libs
# check just in case anyone runs it on a non-gnome system.
try:
  import gobject, gtk, pango
except:
  err (_("You need to install the python bindings for " \
    "gobject, gtk and pango to run Terminator."))
  sys.exit(1)


# import a library for viewing URLs
try:
  # gnome.url_show() is really useful
  import gnome
  url_show = gnome.url_show
except:
  # webbrowser.open() is not really useful, but will do as a fallback
  import webbrowser
  url_show = webbrowser.open

# import vte-bindings
try:
  import vte
except:
  error = gtk.MessageDialog (None, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK,
    _('You need to install python bindings for libvte ("python-vte" in debian/ubuntu)'))
  error.run()
  sys.exit (1)

def openurl (url):
  try:
    if subprocess.call(["xdg-open", url]) != 0:
      raise
  except:
    try:
      url_show (url)
    except:
      pass

class TerminatorTerm (gtk.VBox):

  matches = {}

  def __init__ (self, terminator, profile = None, command = None, cwd = None):
    gtk.VBox.__init__ (self)
    self.terminator = terminator
    self.conf = terminator.conf
    self.command = command

    self.cwd = cwd or os.getcwd();
    if not os.path.exists(self.cwd) or not os.path.isdir(self.cwd):
      self.cwd = pwd.getpwuid(os.getuid ())[5]

    self.clipboard = gtk.clipboard_get (gtk.gdk.SELECTION_CLIPBOARD)
    self.scrollbar_position = self.conf.scrollbar_position

    self._vte = vte.Terminal ()
    self._vte.set_size (80, 24)
    self.reconfigure_vte ()
    self._vte.show ()

    self._termbox = gtk.HBox ()
    self._termbox.show()
    self._title = gtk.Label()
    self._title.show()
    self._titlebox =  gtk.EventBox()
    self._titlebox.add(self._title)
    self.show()
    self.pack_start(self._titlebox, False)
    self.pack_start(self._termbox)

    if self.conf.titlebars:
      self._titlebox.show()
    else:
      self._titlebox.hide()

    self._scrollbar = gtk.VScrollbar (self._vte.get_adjustment ())
    if self.scrollbar_position != "hidden" and self.scrollbar_position != "disabled":
      self._scrollbar.show ()

    if self.scrollbar_position == 'left':
      packfunc = self._termbox.pack_end
    else:
      packfunc = self._termbox.pack_start

    packfunc (self._vte)
    packfunc (self._scrollbar, False)

    self._vte.connect ("key-press-event", self.on_vte_key_press)
    self._vte.connect ("button-press-event", self.on_vte_button_press)
    self._vte.connect ("popup-menu", self.on_vte_popup_menu)
    
    """drag and drop"""
    srcvtetargets = [ ( "vte", gtk.TARGET_SAME_APP, TARGET_TYPE_VTE ) ]
    dsttargets = [ ( "vte", gtk.TARGET_SAME_APP, TARGET_TYPE_VTE ), ('text/plain', 0, 0) , ("STRING", 0, 0), ("COMPOUND_TEXT", 0, 0)]
    self._vte.drag_source_set( gtk.gdk.CONTROL_MASK | gtk.gdk.BUTTON3_MASK, srcvtetargets, gtk.gdk.ACTION_MOVE)
    self._titlebox.drag_source_set( gtk.gdk.BUTTON1_MASK, srcvtetargets, gtk.gdk.ACTION_MOVE)
    #self._vte.drag_dest_set(gtk.DEST_DEFAULT_MOTION | gtk.DEST_DEFAULT_HIGHLIGHT |gtk.DEST_DEFAULT_DROP ,dsttargets, gtk.gdk.ACTION_MOVE)
    self._vte.drag_dest_set(gtk.DEST_DEFAULT_MOTION | gtk.DEST_DEFAULT_HIGHLIGHT |gtk.DEST_DEFAULT_DROP ,dsttargets, gtk.gdk.ACTION_MOVE)
    self._vte.connect("drag-begin", self.on_drag_begin, self)
    self._titlebox.connect("drag-begin", self.on_drag_begin, self)
    self._vte.connect("drag-data-get", self.on_drag_data_get, self)
    self._titlebox.connect("drag-data-get", self.on_drag_data_get, self)
    #for testing purpose: drag-motion
    self._vte.connect("drag-motion", self.on_drag_motion, self)
    self._vte.connect("drag-data-received", self.on_drag_data_received, self)
    
    self._vte.connect ("composited-changed", self.on_composited_changed)
    self._vte.connect ("window-title-changed", self.on_vte_title_change)
    self._vte.connect ("grab-focus", self.on_vte_focus)
    self._vte.connect ("focus-out-event", self.on_vte_focus_out)
    self._vte.connect ("focus-in-event", self.on_vte_focus_in)

    exit_action = self.conf.exit_action
    if exit_action == "restart":
      self._vte.connect ("child-exited", self.spawn_child)
    # We need to support "left" because some buggy versions of gnome-terminal
    #  set it in some situations
    elif exit_action in ("close", "left"):
      self._vte.connect ("child-exited", lambda close_term: self.terminator.closeterm (self))

    self._vte.add_events (gtk.gdk.ENTER_NOTIFY_MASK)
    self._vte.connect ("enter_notify_event", self.on_vte_notify_enter)

    self.add_matches()

    dbg ('SEGBUG: Setting http_proxy')
    env_proxy = os.getenv ('http_proxy')
    if not env_proxy and self.conf.http_proxy and self.conf.http_proxy != '':
      os.putenv ('http_proxy', self.conf.http_proxy)

    dbg ('SEGBUG: Setting COLORTERM')
    os.putenv ('COLORTERM', 'gnome-terminal')
    dbg ('SEGBUG: TerminatorTerm __init__ complete')

  def on_drag_begin(self, widget, drag_context, data):
    dbg ('Drag begins')
    widget.drag_source_set_icon_pixbuf(self.terminator.icon_theme.load_icon (APP_NAME, 48, 0))
    
  def on_drag_data_get(self,widget, drag_context, selection_data, info, time, data):
    dbg ("Drag data get")
    selection_data.set("vte",info, str(data.terminator.term_list.index (self)))
  
    
  def on_drag_motion(self, widget, drag_context, x, y, time, data): 
    dbg ("Drag Motion on ")
    """
x-special/gnome-icon-list
text/uri-list
UTF8_STRING
COMPOUND_TEXT
TEXT
STRING
text/plain;charset=utf-8
text/plain;charset=UTF-8
text/plain
    """
      
    if 'text/plain' in drag_context.targets:
      #copy text from another widget
      return
    srcwidget = drag_context.get_source_widget()
    if (isinstance(srcwidget, gtk.EventBox) and srcwidget == self._titlebox) or widget == srcwidget:
      #on self
      return

    
    alloc = widget.allocation
    rect = gtk.gdk.Rectangle(0, 0, alloc.width, alloc.height)
    widget.window.invalidate_rect(rect, True)
    widget.window.process_updates(True)
    
    context = widget.window.cairo_create()
    if self.conf.use_theme_colors:
      color = self._vte.get_style ().text[gtk.STATE_NORMAL]
    else:
      color = gtk.gdk.color_parse (self.conf.foreground_color)
    
    
    context.set_source_rgba(color.red, color.green, color.blue, 0.5)
     
    pos = self.get_location(widget, x, y)
    topleft = (0,0)
    topright = (alloc.width,0)
    topmiddle = (alloc.width/2,0)
    bottomleft = (0, alloc.height)
    bottomright = (alloc.width,alloc.height)
    bottommiddle = (alloc.width/2, alloc.height)
    middle = (alloc.width/2, alloc.height/2)
    middleleft = (0, alloc.height/2)
    middleright = (alloc.width, alloc.height/2)
    #print "%f %f %d %d" %(coef1, coef2, b1,b2)
    coord = ()
    if pos == "right":
      coord = (topright, topmiddle, bottommiddle, bottomright)
    if pos == "top":
      coord = (topleft, topright, middleright , middleleft) 
    if pos == "left":
      coord = (topleft, topmiddle, bottommiddle, bottomleft)
    if pos == "bottom":
      coord = (bottomleft, bottomright, middleright , middleleft) 
     
    if len(coord) > 0 :
      context.move_to(coord[len(coord)-1][0],coord[len(coord)-1][1])
      for i in coord:
        context.line_to(i[0],i[1])
      
      context.fill()

      
  def on_drag_drop(self, widget, drag_context, x, y, time):
    parent = widget.get_parent()
    dbg ('Drag drop on %s'%parent)
    
  def on_drag_data_received(self, widget, drag_context, x, y, selection_data, info, time, data):
    dbg ("Drag Data Received")
    if selection_data.type == 'text/plain':
      #copy text to destination
      #print "%s %s" % (selection_data.type, selection_data.target)
      txt = selection_data.data.strip()
      if txt[0:7] == "file://":
        txt = "'%s'" % txt[7:]
      self._vte.feed_child(txt)
      return
      
    widgetsrc = data.terminator.term_list[int(selection_data.data)]
    srcvte = drag_context.get_source_widget()
    #check if computation requireds
    if (isinstance(srcvte, gtk.EventBox) and srcvte == self._titlebox) or srcvte == widget:
      dbg ("  on itself")
      return
    
    srchbox = widgetsrc
    dsthbox = widget.get_parent().get_parent()
    
    dstpaned = dsthbox.get_parent()
    srcpaned = srchbox.get_parent()
    if isinstance(dstpaned, gtk.Window) and isinstance(srcpaned, gtk.Window):
      dbg ("  Only one terminal")
      return
    pos = self.get_location(widget, x, y)
    
    data.terminator.remove(widgetsrc)
    data.terminator.add(self, widgetsrc,pos)
    return
    
  def get_location(self, vte, x, y):
    pos = ""
    #get the diagonales function for the receiving widget
    coef1 = float(vte.allocation.height)/float(vte.allocation.width)
    coef2 = -float(vte.allocation.height)/float(vte.allocation.width)
    b1 = 0
    b2 = vte.allocation.height
     #determine position in rectangle
    """
    --------
    |\    /|
    | \  / |
    |  \/  |
    |  /\  |
    | /  \ |
    |/    \|
    --------
    """
    if (x*coef1 + b1 > y ) and (x*coef2 + b2 < y ):
      pos =  "right"
    if (x*coef1 + b1 > y ) and (x*coef2 + b2 > y ):
      pos = "top"
    if (x*coef1 + b1 < y ) and (x*coef2 + b2 > y ):
      pos = "left"
    if (x*coef1 + b1 < y ) and (x*coef2 + b2 < y ):
      pos = "bottom"
    return pos


  def add_matches (self, lboundry="[[:<:]]", rboundry="[[:>:]]"):
    userchars = "-A-Za-z0-9"
    passchars = "-A-Za-z0-9,?;.:/!%$^*&~\"#'"
    hostchars = "-A-Za-z0-9"
    pathchars = "-A-Za-z0-9_$.+!*(),;:@&=?/~#%'"
    schemes   = "(news:|telnet:|nntp:|file:/|https?:|ftps?:|webcal:)"
    user      = "[" + userchars + "]+(:[" + passchars + "]+)?"
    urlpath   = "/[" + pathchars + "]*[^]'.}>) \t\r\n,\\\"]"
    
    self.matches['full_uri'] = self._vte.match_add(lboundry + schemes + "//(" + user + "@)?[" + hostchars  +".]+(:[0-9]+)?(" + urlpath + ")?" + rboundry + "/?")

    # FreeBSD works with [[:<:]], Linux works with \<
    if self.matches['full_uri'] == -1:
      if lboundry != "\\<":
        self.add_matches(lboundry = "\\<", rboundry = "\\>")
    else:
      self.matches['addr_only'] = self._vte.match_add (lboundry + "(www|ftp)[" + hostchars + "]*\.[" + hostchars + ".]+(:[0-9]+)?(" + urlpath + ")?" + rboundry + "/?")
      self.matches['email'] = self._vte.match_add (lboundry + "(mailto:)?[a-z0-9][a-z0-9.-]*@[a-z0-9][a-z0-9-]*(\.[a-z0-9][a-z0-9-]*)+" + rboundry)
      self.matches['nntp'] = self._vte.match_add (lboundry + '''news:[-A-Z\^_a-z{|}~!"#$%&'()*+,./0-9;:=?`]+@[-A-Za-z0-9.]+(:[0-9]+)?''' + rboundry)

  def spawn_child (self, event=None):
    update_records = self.conf.update_records
    login = self.conf.login_shell
    args = []
    shell = ''

    if self.command:
      dbg ('spawn_child: using self.command: %s'%self.command)
      args = self.command
      shell = self.command[0]
    elif self.conf.use_custom_command:
      dbg ('spawn_child: using custom command: %s'%self.conf.custom_command)
      args = self.conf.custom_command.split ()
      shell = args[0]

    try:
      if os.environ['PATH'] == "":
        raise (ValueError)
      paths = os.environ['PATH'].split(':')
    except:
      paths = ['/usr/local/bin', '/usr/bin', '/bin']
    dbg ('spawn_child: found paths: "%s"'%paths)

    if self.conf.use_custom_command and shell[0] != '/':
     for path in paths:
       dbg ('spawn_child: looking for "%s"'%os.path.join (path, shell))
       if os.path.exists (os.path.join (path, shell)):
         shell = os.path.join (path, shell)
         break

    if not self.command and not os.path.exists (shell):
      dbg ('spawn_child: hunting for a command')
      shell = os.getenv ('SHELL') or ''
      args = []
      if not os.path.exists (shell):
        shell = pwd.getpwuid (os.getuid ())[6] or ''
        if not os.path.exists (shell):
          for i in ['bash','zsh','tcsh','ksh','csh','sh']:
            for p in paths:
              shell = os.path.join(p, 'bin', i)
              if not os.path.exists (shell):
                continue
              else:
                break

    if not self.command and not os.path.exists (shell):
      # Give up, we're completely stuck
      err (_('Unable to find a shell'))
      gobject.timeout_add (100, self.terminator.closeterm, self)
      return (-1)

    if not args:
      args.append (shell)

    if self.conf.login_shell:
      args[0] = "-%s"%args[0]

    dbg ('SEGBUG: Setting WINDOWID')
    os.putenv ('WINDOWID', '%s'%self._vte.get_parent_window().xid)

    dbg ('SEGBUG: Forking command: "%s" with args "%s", loglastlog = "%s", logwtmp = "%s", logutmp = "%s" and cwd "%s"'%(shell, args, login, update_records, update_records, self.cwd))
    self._pid = self._vte.fork_command (command = shell, argv = args, envv = [], loglastlog = login, logwtmp = update_records, logutmp = update_records, directory=self.cwd)

    dbg ('SEGBUG: Forked command') 
    if self._pid == -1:
      err (_('Unable to start shell: ') + shell)
      return (-1)

  def get_cwd (self):
    """ Return the current working directory of the subprocess.
        This function requires OS specific behaviours
    """
    cwd = pid_get_cwd (self._pid)
    dbg ('get_cwd found: %s'%cwd)
    return (cwd)

  def reconfigure_vte (self):
    # Set our emulation
    self._vte.set_emulation (self.conf.emulation)

    # Set our wordchars
    self._vte.set_word_chars (self.conf.word_chars)

    # Set our mouselation
    self._vte.set_mouse_autohide (self.conf.mouse_autohide)

    # Set our compatibility
    backspace = self.conf.backspace_binding
    delete = self.conf.delete_binding

# Note, each of the 4 following comments should replace the line beneath it, but the python-vte bindings don't appear to support this constant, so the magic values are being assumed from the C enum :/
    if backspace == "ascii-del":
#      backbind = vte.ERASE_ASCII_BACKSPACE
      backbind = 2
    else:
#      backbind = vte.ERASE_AUTO_BACKSPACE
      backbind = 1

    if delete == "escape-sequence":
#      delbind = vte.ERASE_DELETE_SEQUENCE
      delbind = 3
    else:
#      delbind = vte.ERASE_AUTO
      delbind = 0

    self._vte.set_backspace_binding (backbind)
    self._vte.set_delete_binding (delbind)

    # Set our font
    try:
      self._vte.set_font (pango.FontDescription (self.conf.font))
    except:
      pass

    # Set our boldness
    self._vte.set_allow_bold (self.conf.allow_bold)

    # Set our color scheme
    palette = self.conf.palette
    if self.conf.use_theme_colors:
      fg_color = self._vte.get_style ().text[gtk.STATE_NORMAL]
      bg_color = self._vte.get_style ().base[gtk.STATE_NORMAL]
    else:
      fg_color = gtk.gdk.color_parse (self.conf.foreground_color)
      bg_color = gtk.gdk.color_parse (self.conf.background_color)
      
    colors = palette.split (':')
    palette = []
    for color in colors:
      if color:
        palette.append (gtk.gdk.color_parse (color))
    self._vte.set_colors (fg_color, bg_color, palette)

    # Set our background image, transparency and type
    # Many thanks to the authors of gnome-terminal, on which this code is based.
    background_type = self.conf.background_type

    # set background image settings
    if background_type == "image":
      self._vte.set_background_image_file (self.conf.background_image)
      self._vte.set_scroll_background (self.conf.scroll_background)
    else:
      self._vte.set_background_image_file('')
      self._vte.set_scroll_background(False)

    # set transparency for the background (image)
    if background_type in ("image", "transparent"):
      self._vte.set_background_tint_color (bg_color)
      self._vte.set_background_saturation(1 - (self.conf.background_darkness))
      self._vte.set_opacity(int(self.conf.background_darkness * 65535))
    else:
      self._vte.set_background_saturation(1)
      self._vte.set_opacity(65535)

    if not self._vte.is_composited():
      self._vte.set_background_transparent (background_type == "transparent")
    else:
      self._vte.set_background_transparent (False)

    # Set our cursor blinkiness
    self._vte.set_cursor_blinks = (self.conf.cursor_blink)

    # Set our audible belliness
    silent_bell = self.conf.silent_bell
    self._vte.set_audible_bell (not silent_bell)

    # Set our visual flashiness
    self._vte.set_visible_bell (silent_bell)

    # Override our flashybelliness
    if self.conf.force_no_bell:
      self._vte.set_visible_bell (False)
      self._vte.set_audible_bell (False)

    # Set our scrolliness
    self._vte.set_scrollback_lines (self.conf.scrollback_lines)
    self._vte.set_scroll_on_keystroke (self.conf.scroll_on_keystroke)
    self._vte.set_scroll_on_output (self.conf.scroll_on_output)

    if self.scrollbar_position != self.conf.scrollbar_position:
      self.scrollbar_position = self.conf.scrollbar_position

      if self.scrollbar_position == 'hidden' or self.scrollbar_position == 'disabled':
        self._scrollbar.hide ()
      else:
        self._scrollbar.show ()
        if self.scrollbar_position == 'right':
          self._termbox.reorder_child (self._vte, 0)
        elif self.scrollbar_position == 'left':
          self._termbox.reorder_child (self._scrollbar, 0)

    # Set our sloppiness
    self.focus = self.conf.focus

    self._vte.queue_draw ()

  def on_composited_changed (self, widget):
    self.reconfigure_vte ()

  def on_vte_button_press (self, term, event):
    # Left mouse button + Ctrl while over a link should open it
    mask = gtk.gdk.CONTROL_MASK
    if (event.state & mask) == mask:
      if event.button == 1:
        url = self._vte.match_check (int (event.x / self._vte.get_char_width ()), int (event.y / self._vte.get_char_height ()))
        if url:
          if (url[0][0:7] != "mailto:") & (url[1] == self.matches['email']):
            address = "mailto:" + url[0]
          else:
            address = url[0]
          openurl ( address )
      return False

    # Left mouse button should transfer focus to this vte widget
    if event.button == 1:
      self._vte.grab_focus ()
      return False

    # Right mouse button should display a context menu if ctrl not pressed
    if event.button == 3 and event.state & gtk.gdk.CONTROL_MASK == 0:
      self.do_popup (event)
      return True

  def on_vte_notify_enter (self, term, event):
    if (self.focus == "sloppy" or self.focus == "mouse"):
      term.grab_focus ()
      return False

  def do_scrollbar_toggle (self):
    self.toggle_widget_visibility (self._scrollbar)

  def do_title_toggle (self):
    self.toggle_widget_visibility (self._titlebox)

  def toggle_widget_visibility (self, widget):
    if not isinstance (widget, gtk.Widget):
      raise TypeError

    if widget.get_property ('visible'):
      widget.hide ()
    else:
      widget.show ()

  #keybindings for the individual splited terminals (affects only the
  #the selected terminal)
  def on_vte_key_press (self, term, event):
    keyname = gtk.gdk.keyval_name (event.keyval)

    mask = gtk.gdk.CONTROL_MASK
    if (event.state & mask) == mask:
      if keyname == 'plus':
        self.zoom (True)
        return (True)
      elif keyname == 'minus':
        self.zoom (False)
        return (True)

    mask = gtk.gdk.CONTROL_MASK | gtk.gdk.SHIFT_MASK | gtk.gdk.MOD1_MASK
    if (event.state & mask) == mask:
      #Top level tab
      if keyname == 'T':
        self.terminator.newtab (self, True)
        return (True)
    # bindings that should be moved to Terminator as they all just call
    # a function of Terminator. It would be cleaner is TerminatorTerm
    # has absolutely no reference to Terminator.
    # N (next) - P (previous) - O (horizontal) - E (vertical) - W (close)

    mask = gtk.gdk.CONTROL_MASK | gtk.gdk.SHIFT_MASK
    if (event.state & mask) == mask:
      if keyname == 'N':
        self.terminator.go_next (self)
        return (True)
      elif keyname == "P":
        self.terminator.go_prev (self)
        return (True)
      elif keyname == 'O':
        self.terminator.splitaxis (self, False)
        return (True)
      elif keyname == 'E':
        self.terminator.splitaxis (self, True)
        return (True)
      elif keyname == 'W':
        self.terminator.closeterm (self)
        return (True)
      elif keyname == 'C':
        self._vte.copy_clipboard ()
        return (True)
      elif keyname == 'V':
        self._vte.paste_clipboard ()
        return (True)
      elif keyname == 'S':
        self.do_scrollbar_toggle ()
        return (True)
      elif keyname == 'T':
        self.terminator.newtab(self)
        return (True)
      elif keyname in ('Up', 'Down', 'Left', 'Right'):
          self.terminator.resizeterm (self, keyname)
          return (True)
      elif keyname  == 'Page_Down':
          self.terminator.move_tab(self, 'right')
          return (True)
      elif keyname == 'Page_Up':
          self.terminator.move_tab(self, 'left')
          return (True)
      elif keyname == 'Z':
        self.terminator.toggle_zoom (self, True)
        return (True)
      elif keyname == 'X':
        self.terminator.toggle_zoom (self)
        return (True)
      
    mask = gtk.gdk.CONTROL_MASK
    if (event.state & mask) == mask:
      if keyname  == 'Page_Down':
          self.terminator.next_tab(self)
          return (True)
      elif keyname == 'Page_Up':
          self.terminator.previous_tab(self)
          return (True)
    
    if keyname and (keyname == 'Tab' or keyname.endswith('_Tab')):
        mask = gtk.gdk.CONTROL_MASK | gtk.gdk.SHIFT_MASK
        if (event.state & mask) == mask:
            self.terminator.go_prev (self)
            return (True)
        mask = gtk.gdk.CONTROL_MASK
        if (event.state & mask) == mask:
            self.terminator.go_next (self)
            return (True)
    # Warning, mask value is either gtk.gdk.CONTROL_MASK or gtk.gdk.CONTROL_MASK | gtk.gdk.SHIFT_MASK
    # if you intend to use it, reinit it
    return (False)

  def zoom (self, zoom_in):
    pangodesc = self._vte.get_font ()
    fontsize = pangodesc.get_size ()

    if fontsize > pango.SCALE and not zoom_in:
      fontsize -= pango.SCALE
    elif zoom_in:
      fontsize += pango.SCALE

    pangodesc.set_size (fontsize)
    self._vte.set_font (pangodesc)

  def on_vte_popup_menu (self, term, event):
    self.do_popup (event)

  def do_popup (self, event = None):
    menu = self.create_popup_menu (event)
    menu.popup (None, None, None, event.button, event.time)

  def create_popup_menu (self, event):
    menu = gtk.Menu ()
    url = None

    if event:
      url = self._vte.match_check (int (event.x / self._vte.get_char_width ()), int (event.y / self._vte.get_char_height ()))

    if url:
      if url[1] != self.matches['email']:
        address = url[0]
        nameopen = _("_Open Link")
        namecopy = _("_Copy Link Address")
        iconopen = gtk.image_new_from_stock(gtk.STOCK_JUMP_TO, gtk.ICON_SIZE_MENU)

        item = gtk.ImageMenuItem (nameopen)
        item.set_property('image', iconopen)
      else:
        if url[0][0:7] != "mailto:":
          address = "mailto:" + url[0]
        else:
          address = url[0]
        nameopen = _("_Send Mail To...")
        namecopy = _("_Copy Email Address")

        item = gtk.MenuItem (nameopen)

      item.connect ("activate", lambda menu_item: openurl (address))
      menu.append (item)

      item = gtk.MenuItem (namecopy)
      item.connect ("activate", lambda menu_item: self.clipboard.set_text (url[0]))
      menu.append (item)

      item = gtk.MenuItem ()
      menu.append (item)

    item = gtk.ImageMenuItem (gtk.STOCK_COPY)
    item.connect ("activate", lambda menu_item: self._vte.copy_clipboard ())
    item.set_sensitive (self._vte.get_has_selection ())
    menu.append (item)

    item = gtk.ImageMenuItem (gtk.STOCK_PASTE)
    item.connect ("activate", lambda menu_item: self._vte.paste_clipboard ())
    menu.append (item)

    item = gtk.MenuItem ()
    menu.append (item)

    item = gtk.CheckMenuItem (_("Show _scrollbar"))
    item.set_active (self._scrollbar.get_property ('visible'))
    item.connect ("toggled", lambda menu_item: self.do_scrollbar_toggle ())
    menu.append (item)
    
    item = gtk.CheckMenuItem (_("Show _titlebar"))
    item.set_active (self._titlebox.get_property ('visible'))
    item.connect ("toggled", lambda menu_item: self.do_title_toggle ())
    menu.append (item)

    self._do_encoding_items (menu)
        
    item = gtk.MenuItem ()
    menu.append (item)

    if not self.terminator._zoomed:
      str_horiz = _("Split H_orizontally")
      str_vert = _("Split V_ertically")

      item = gtk.ImageMenuItem (str_horiz)
      item_image = gtk.Image ()
      item_image.set_from_icon_name (APP_NAME + '_horiz', gtk.ICON_SIZE_MENU)
      item.set_image (item_image)

      item.connect ("activate", lambda menu_item: self.terminator.splitaxis (self, False))
      menu.append (item)

      item = gtk.ImageMenuItem (str_vert)
      item_image = gtk.Image ()
      item_image.set_from_icon_name (APP_NAME + '_vert', gtk.ICON_SIZE_MENU)
      item.set_image (item_image)

      item.connect ("activate", lambda menu_item: self.terminator.splitaxis (self, True))
      menu.append (item)
    
      item = gtk.MenuItem (_("Open _Tab"))
      item.connect ("activate", lambda menu_item: self.terminator.newtab (self))
      menu.append (item)

      if self.conf.extreme_tabs:
        item = gtk.MenuItem (_("Open Top Level Tab"))
        item.connect ("activate", lambda menu_item: self.terminator.newtab (self, True))
        menu.append (item)
      
      item = gtk.MenuItem ()
      menu.append (item)

    if len (self.terminator.term_list) > 1:
      if not self.terminator._zoomed:
        item = gtk.MenuItem (_("_Zoom terminal"))
        item.connect ("activate", lambda menu_item: self.terminator.toggle_zoom (self, True))
        menu.append (item)

        item = gtk.MenuItem (_("_Maximise terminal"))
        item.connect ("activate", lambda menu_item: self.terminator.toggle_zoom (self))
        menu.append (item)
      else:
        if self.terminator._zoomed and not self.terminator._maximised:
          item = gtk.MenuItem (_("_Unzoom terminal"))
          item.connect ("activate", lambda menu_item: self.terminator.toggle_zoom (self, True))
          menu.append (item)

        if self.terminator._zoomed and self.terminator._maximised:
          item = gtk.MenuItem (_("U_nmaximise terminal"))
          item.connect ("activate", lambda menu_item: self.terminator.toggle_zoom (self))
          menu.append (item)

      item = gtk.MenuItem ()
      menu.append (item)

    item = gtk.ImageMenuItem (gtk.STOCK_CLOSE)
    item.connect ("activate", lambda menu_item: self.terminator.closeterm (self))
    menu.append (item)

    menu.show_all ()
    return menu

  def on_encoding_change (self, widget, encoding):
    current = self._vte.get_encoding ()
    if current != encoding:
      dbg ('Setting Encoding to: %s'%encoding)
      self._vte.set_encoding (encoding)
      
  def _do_encoding_items (self, menu):
    active_encodings = self.conf.active_encodings
    item = gtk.MenuItem (_("Encodings"))
    menu.append (item)
    submenu = gtk.Menu ()
    item.set_submenu (submenu)
    
    current_encoding = self._vte.get_encoding ()
    group = None
    for encoding in active_encodings:
      radioitem = gtk.RadioMenuItem (group, _(encoding))
      if group is None:
        group = radioitem
        
      if encoding == current_encoding:
        radioitem.set_active (True)
      
      radioitem.connect ('activate', self.on_encoding_change, encoding)
      submenu.append (radioitem)
      
    item = gtk.MenuItem (_("Other Encodings"))
    submenu.append (item)
    #second level

    submenu = gtk.Menu ()
    item.set_submenu (submenu)
    encodings = TerminatorEncoding ().get_list ()
    encodings.sort (lambda x, y: cmp (x[2].lower (), y[2].lower ()))
    group = None

    for encoding in encodings:
      if encoding[1] in active_encodings:
        continue

      if encoding[1] is None:
        label = "%s %s"%(encoding[2], self._vte.get_encoding ())
      else:
        label = "%s %s"%(encoding[2], encoding[1])
        
      radioitem = gtk.RadioMenuItem (group, label)
      if group is None:
        group = radioitem
        
      if encoding[1] == current_encoding:
        radioitem.set_active (True)
      
      radioitem.connect ('activate', self.on_encoding_change, encoding[1])
      submenu.append (radioitem)
   
  def on_vte_title_change(self, vte):
    if self.conf.titletips:
      vte.set_property ("has-tooltip", True)
      vte.set_property ("tooltip-text", vte.get_window_title ())
    #set the title anyhow, titlebars setting only show/hide the label
    self._title.set_text(vte.get_window_title ())
    self.terminator.set_window_title("%s: %s" %(APP_NAME.capitalize(), vte.get_window_title ()))
    notebookpage = self.terminator.get_first_notebook_page(vte)
    while notebookpage != None:
      notebookpage[0].set_tab_label_text(notebookpage[1], vte.get_window_title ())
      notebookpage = self.terminator.get_first_notebook_page(notebookpage[0])

  def on_vte_focus_in(self, vte, event):
    self._titlebox.modify_bg(gtk.STATE_NORMAL,self.terminator.window.get_style().bg[gtk.STATE_SELECTED])
    self._title.modify_fg(gtk.STATE_NORMAL, self.terminator.window.get_style().fg[gtk.STATE_SELECTED])
    return
    
  def on_vte_focus_out(self, vte, event):
    self._titlebox.modify_bg(gtk.STATE_NORMAL, self.terminator.window.get_style().bg[gtk.STATE_NORMAL])
    self._title.modify_fg(gtk.STATE_NORMAL, self.terminator.window.get_style().fg[gtk.STATE_NORMAL])
    return

  def on_vte_focus(self, vte):
    if vte.get_window_title ():
      self.terminator.set_window_title("%s: %s" %(APP_NAME.capitalize(), vte.get_window_title ()))
      notebookpage = self.terminator.get_first_notebook_page(vte)
      while notebookpage != None:
        notebookpage[0].set_tab_label_text(notebookpage[1], vte.get_window_title ())
        notebookpage = self.terminator.get_first_notebook_page(notebookpage[0])

  def destroy(self):
    self._vte.destroy()
 
class Terminator:
  def __init__ (self, profile = None, command = None, fullscreen = False, maximise = False, borderless = False):
    self.profile = profile
    self.command = command

    self._zoomed = False
    self._maximised = False
    self._fullscreen = False
    self._f11_modifier = False
    self.term_list = []
    stores = []
    stores.append (config.TerminatorConfValuestoreRC ())

    try:
      import gconf
      if self.profile:
        self.profile = gconf.escape_key (self.profile, -1)
      store = config.TerminatorConfValuestoreGConf (self.profile)
      store.set_reconfigure_callback (self.reconfigure_vtes)
      dbg ('Terminator__init__: comparing %s and %s'%(self.profile, store.profile.split ('/').pop ()))
      if self.profile == store.profile.split ('/').pop ():
        # If we have been given a profile, and we loaded it, we should be higher priority than RC
        dbg ('Terminator__init__: placing GConf before RC')
        stores.insert (0, store)
      else:
        stores.append (store)
    except:
      pass

    self.conf = config.TerminatorConfig (stores)

    self.icon_theme = gtk.IconTheme ()

    if self.conf.f11_modifier:
      self._f11_modifier = True

    if self.conf.handle_size in range (0,6):
      gtk.rc_parse_string("""
        style "terminator-paned-style" {
            GtkPaned::handle_size = %s 
        }
        
        class "GtkPaned" style "terminator-paned-style"
        """ % self.conf.handle_size)
    self.window = gtk.Window ()
    self.window.set_title (APP_NAME.capitalize())

    try:
      self.window.set_icon (self.icon_theme.load_icon (APP_NAME, 48, 0))
    except:
      self.icon = self.window.render_icon (gtk.STOCK_DIALOG_INFO, gtk.ICON_SIZE_BUTTON)
      self.window.set_icon (self.icon)

    self.window.connect ("key-press-event", self.on_key_press)
    self.window.connect ("delete_event", self.on_delete_event)
    self.window.connect ("destroy", self.on_destroy_event)
    self.window.connect ("window-state-event", self.on_window_state_changed)

    self.window.set_property ('allow-shrink', True)

    if fullscreen or self.conf.fullscreen:
      self.fullscreen_toggle ()

    if maximise or self.conf.maximise:
      self.maximize ()

    if borderless or self.conf.borderless:
      self.window.set_decorated (False)

    # Set RGBA colormap if possible so VTE can use real alpha
    # channels for transparency.
    screen = self.window.get_screen()
    colormap = screen.get_rgba_colormap()
    if colormap:
      self.window.set_colormap(colormap)

    # Start out with just one terminal
    # FIXME: This should be really be decided from some kind of profile
    term = (TerminatorTerm (self, self.profile, self.command))
    self.term_list = [term]

    self.window.add (term)
    term._titlebox.hide()
    self.window.show ()
    term.spawn_child ()

  def maximize (self):
    """ Maximize the Terminator window."""
    self.window.maximize ()

  def fullscreen_toggle (self):
    """ Toggle the fullscreen state of the window. If it is in
        fullscreen state, it will be unfullscreened. If it is not, it
        will be set to fullscreen state.
    """
    if self._fullscreen:
      self.window.unfullscreen ()
    else:
      self.window.fullscreen ()

  def on_window_state_changed (self, window, event):
    state = event.new_window_state & gtk.gdk.WINDOW_STATE_FULLSCREEN
    self._fullscreen = bool (state)

    return (False)

  def on_delete_event (self, window, event, data=None):
    if len (self.term_list) == 1:
      return False

    # show dialog
    dialog = gtk.Dialog (_("Close?"), window, gtk.DIALOG_MODAL,
      (gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT, gtk.STOCK_CLOSE, gtk.RESPONSE_ACCEPT))
    dialog.set_has_separator (False)
    dialog.set_resizable (False)

    primairy = gtk.Label (_('<big><b>Close all terminals?</b></big>'))
    primairy.set_use_markup (True)
    primairy.set_alignment (0, 0.5)
    secundairy = gtk.Label (_("This window has %s terminals open.  Closing the window will also close all terminals.") % len(self.term_list))
    secundairy.set_line_wrap(True)
    primairy.set_alignment (0, 0.5)

    labels = gtk.VBox ()
    labels.pack_start (primairy, False, False, 6)
    labels.pack_start (secundairy, False, False, 6)

    image = gtk.image_new_from_stock(gtk.STOCK_DIALOG_WARNING, gtk.ICON_SIZE_DIALOG)
    image.set_alignment (0.5, 0)

    box = gtk.HBox()
    box.pack_start (image, False, False, 6)
    box.pack_start (labels, False, False, 6)
    dialog.vbox.pack_start (box, False, False, 12)

    dialog.show_all ()
    result = dialog.run ()
    dialog.destroy ()
    return not (result == gtk.RESPONSE_ACCEPT)

  def on_destroy_event (self, widget, data=None):
    gtk.main_quit ()

  # keybindings for the whole terminal window (affects the main
  # windows containing the splited terminals)
  def on_key_press (self, window, event):
    """ Callback for the window to determine what to do with special
        keys. Currently handled key-combo's:
          * F11:              toggle fullscreen state of the window.
          * CTRL - SHIFT - Q: close all terminals
    """
    keyname = gtk.gdk.keyval_name (event.keyval)
    mask = gtk.gdk.CONTROL_MASK | gtk.gdk.SHIFT_MASK

    if (keyname == 'F11' and (self._f11_modifier == False or event.state & mask)):
      self.fullscreen_toggle ()
      return (True)

    if (event.state & mask) == mask:
      if keyname == 'Q':
        if not self.on_delete_event (window, gtk.gdk.Event (gtk.gdk.DELETE)):
          self.on_destroy_event (window, gtk.gdk.Event (gtk.gdk.DESTROY))

  def set_window_title(self, title):
    """
    Modifies Terminator window title
    """
    self.window.set_title(title)
    
  def add(self, widget, terminal, pos = "bottom"):
    """
    Add a term to another at position pos
    """
    vertical = pos in ("top", "bottom")
    pane = (vertical) and gtk.VPaned () or gtk.HPaned ()
    
    # get the parent of the provided terminal
    parent = widget.get_parent ()
    dbg ('SEGBUG: add() Got parent')
    if isinstance (parent, gtk.Window):
      dbg ('SEGBUG: parent is a gtk.Window')
      # We have just one term
      parent.remove(widget)
      dbg ('SEGBUG: removed widget from window')
      if pos in ("top", "left"):
        dbg ('SEGBUG: pos is in top/left')
        pane.pack1 (terminal, True, True)
        dbg ('SEGBUG: packed terminal')
        pane.pack2 (widget, True, True)
        dbg ('SEGBUG: packed widget')
      else:
        dbg ('SEGBUG: pos is not in top/left')
        pane.pack1 (widget, True, True)
        dbg ('SEGBUG: packed widget')
        pane.pack2 (terminal, True, True)
        dbg ('SEGBUG: packed terminal')
      parent.add (pane)
      dbg ('SEGBUG: added pane to parent')

      position = (vertical) and parent.allocation.height \
                             or parent.allocation.width

    if (isinstance (parent, gtk.Notebook) or isinstance (parent, gtk.Window)) and widget.conf.titlebars:
      #not the only term in the notebook/window anymore, need to reshow the title
      dbg ('SEGBUG: Showing _titlebox')
      widget._titlebox.show()
      
    if isinstance (parent, gtk.Notebook):
      dbg ('SEGBUG: Parent is a notebook')
      page = -1
      
      for i in range(0, parent.get_n_pages()):
        if parent.get_nth_page(i) == widget:
          page = i
          break
      widget.reparent (pane)
      if pos in ("top", "left"):
        pane.remove(widget)
        pane.pack1 (terminal, True, True)
        pane.pack2 (widget, True, True)
      else:
        pane.pack1 (widget, True, True)
        pane.pack2 (terminal, True, True)
      #parent.remove_page(page)
      pane.show()
      parent.insert_page(pane, None, page)
      parent.set_tab_label_text(pane, widget._vte.get_window_title())
      parent.set_tab_label_packing(pane, True, True, gtk.PACK_START)
      parent.set_tab_reorderable(pane, True)
      parent.set_current_page(page)
      
      position = (vertical) and parent.allocation.height \
                             or parent.allocation.width

    if isinstance (parent, gtk.Paned):
      dbg ('SEGBUG: parent is a Paned')
      # We are inside a split term
      position = (vertical) and widget.allocation.height \
                             or widget.allocation.width

      dbg ('SEGBUG: Preparing to reparent sibling')
      if (widget == parent.get_child1 ()):
        widget.reparent (pane)
        parent.pack1 (pane, True, True)
      else:
        widget.reparent (pane)
        parent.pack2 (pane, True, True)

      if pos in ("top", "left"):
        dbg ('SEGBUG: pos is in top/left. Removing and re-ordering')
        pane.remove(widget)
        pane.pack1 (terminal, True, True)
        pane.pack2 (widget, True, True)
      else:
        dbg ('SEGBUG: pos is not in top/left. Packing')
        pane.pack1 (widget, True, True)
        pane.pack2 (terminal, True, True)

      dbg ('SEGBUG: packing widget and terminal')
      pane.pack1 (widget, True, True)
      pane.pack2 (terminal, True, True)
      dbg ('SEGBUG: packed widget and terminal')

    # show all, set position of the divider
    dbg ('SEGBUG: Showing pane')
    pane.show ()
    dbg ('SEGBUG: Showed pane')
    pane.set_position (position / 2)
    dbg ('SEGBUG: Set position')
    terminal.show ()

    # insert the term reference into the list
    index = self.term_list.index (widget)
    if pos in ('bottom', 'right'):
      index = index + 1
    self.term_list.insert (index, terminal)
    # make the new terminal grab the focus
    terminal._vte.grab_focus ()

    return (terminal)

  def on_page_reordered(self, notebook, child, page_num):
    #page has been reordered, we need to get the
    # first term and last term
    dbg ("Reordered: %d"%page_num)
    nbpages = notebook.get_n_pages()
    if nbpages == 1:
      dbg("[ERROR] only one page in on_page_reordered")
      
    first = self._notebook_first_term(notebook.get_nth_page(page_num))
    last = self._notebook_last_term(notebook.get_nth_page(page_num))
    firstidx = self.term_list.index(first)
    lastidx = self.term_list.index(last)
    termslice = self.term_list[firstidx:lastidx+1]
    #remove them from the list
    for term in termslice:
      self.term_list.remove(term)
      
    if page_num == 0:
      #first page, we insert before the first term of next page
      nexttab = notebook.get_nth_page(1)
      sibling = self._notebook_first_term(nexttab)
      siblingindex = self.term_list.index(sibling)
      for term in  termslice:
        self.term_list.insert(siblingindex, term)
        siblingindex += 1
    else:
      #other pages, we insert after the last term of previous page
      previoustab = notebook.get_nth_page(page_num - 1)
      sibling = self._notebook_last_term(previoustab)
      siblingindex = self.term_list.index(sibling)
      for term in  termslice:
        siblingindex += 1
        self.term_list.insert(siblingindex, term)
      
  #for page reorder, we need to get the first term of a notebook
  def notebook_first_term(self, notebook):
    return self._notebook_first_term(notebook.get_nth_page(0))
  
  def _notebook_first_term(self, child):
    if isinstance(child, TerminatorTerm):
      return child
    elif isinstance(child, gtk.Paned):
      return self._notebook_first_term(child.get_child1())
    elif isinstance(child, gtk.Notebook):
      return self._notebook_first_term(child.get_nth_page(0))
    
    dbg("[ERROR] unsupported class %s in _notebook_first_term" % child.__class__.__name__)
    return None
  
  #for page reorder, we need to get the last term of a notebook
  def notebook_last_term(self, notebook):
    return self._notebook_last_term(notebook.get_nth_page(notebook.get_n_pages()-1))
  
  def _notebook_last_term(self, child):
    if isinstance(child, TerminatorTerm):
      return child
    elif isinstance(child, gtk.Paned):
      return self._notebook_last_term(child.get_child2())
    elif isinstance(child, gtk.Notebook):
      return self._notebook_last_term(child.get_nth_page(child.get_n_pages()-1))
    
    dbg("[ERROR] unsupported class %s in _notebook_last_term" % child.__class__.__name__)
    return None
  
  def newtab(self,widget, toplevel = False):
    if self._zoomed:
      # We don't want to add a new tab while we are zoomed in on a terminal
      dbg ("newtab function called, but Terminator was in zoomed terminal mode.")
      return

    terminal = TerminatorTerm (self, self.profile, None, widget.get_cwd())
    #only one term, we don't show the title
    terminal._titlebox.hide()
    if self.conf.extreme_tabs and not toplevel:
      parent = widget.get_parent ()
      child = widget
    else:
      child = self.window.get_children()[0]
      parent = child.get_parent()
      
    if isinstance(parent, gtk.Paned) or (isinstance(parent, gtk.Window) 
       and
       ((self.conf.extreme_tabs and not toplevel) or not isinstance(child, gtk.Notebook))):
      #no notebook yet.
      notebook = gtk.Notebook()
      notebook.set_tab_pos(gtk.POS_TOP)
      notebook.connect('page-reordered',self.on_page_reordered)
      notebook.set_property('homogeneous', True)
      notebook.set_tab_reorderable(widget, True)
      
      if isinstance(parent, gtk.Paned):
        if parent.get_child1() == child:
          child.reparent(notebook)
          parent.pack1(notebook)
        else:
          child.reparent(notebook)
          parent.pack2(notebook)
      elif isinstance(parent, gtk.Window):
         child.reparent(notebook)
         parent.add(notebook)
      notebook.set_tab_reorderable(child,True)
      notebooklabel = ""
      if isinstance(child, TerminatorTerm):
        child._titlebox.hide()
      if widget._vte.get_window_title() is not None:
        notebooklabel = widget._vte.get_window_title()
      notebook.set_tab_label_text(child, notebooklabel)    
      notebook. set_tab_label_packing(child, True, True, gtk.PACK_START)
      notebook.show()  
    elif isinstance(parent, gtk.Notebook):
      notebook = parent
    elif isinstance(parent, gtk.Window) and isinstance(child, gtk.Notebook):
      notebook = child
    else:
      return (False)
    
    ## NOTE
    ## Here we need to append to the notebook before we can 
    ## spawn the terminal (WINDOW_ID needs to be set)
    
    notebook.append_page(terminal,None)
    terminal.show ()
    terminal.spawn_child ()
    ## Some gtk/vte weirdness
    ## If we don't use this silly test,
    ## terminal._vte.get_window_title() might return
    ## bogus values
    notebooklabel = ""
    if terminal._vte.get_window_title() is not None:
      notebooklabel = terminal._vte.get_window_title()
    notebook.set_tab_label_text(terminal, notebooklabel)
    notebook.set_tab_label_packing(terminal, True, True, gtk.PACK_START)
    notebook.set_tab_reorderable(terminal,True)
    ## Now, we set focus on the new term
    notebook.set_current_page(-1)
    terminal._vte.grab_focus ()
    
    #adding a new tab, thus we need to get the 
    # last term of the previous tab and add
    # the new term just after
    sibling = self._notebook_last_term(notebook.get_nth_page(notebook.page_num(terminal)-1))
    index = self.term_list.index(sibling)
    self.term_list.insert (index + 1, terminal)
    return (True)
      
      
    return terminal
  
  def splitaxis (self, widget, vertical=True):
    """ Split the provided widget on the horizontal or vertical axis. """
    if self._zoomed:
      # We don't want to split the terminal while we are in zoomed mode
      dbg ("splitaxis function called, but Terminator was in zoomed mode.")
      return

    # create a new terminal and parent pane.
    dbg ('SEGBUG: Creating TerminatorTerm')
    terminal = TerminatorTerm (self, self.profile, None, widget.get_cwd())
    dbg ('SEGBUG: Created TerminatorTerm')
    pos = vertical and "right" or "bottom"
    dbg ('SEGBUG: Position is: %s'%pos)
    self.add(widget, terminal, pos)
    dbg ('SEGBUG: added TerminatorTerm to container')
    terminal.show ()
    dbg ('SEGBUG: showed TerminatorTerm')
    terminal.spawn_child ()
    dbg ('SEGBUG: spawned child')
    return terminal
  
  def remove(self, widget):
    """Remove a TerminatorTerm from the Terminator view and terms list
       Returns True on success, False on failure"""
    parent = widget.get_parent ()
    sibling = None
    focus_on_close = 'prev'
    if isinstance (parent, gtk.Window):
      # We are the only term
      if not self.on_delete_event (parent, gtk.gdk.Event (gtk.gdk.DELETE)):
        self.on_destroy_event (parent, gtk.gdk.Event (gtk.gdk.DESTROY))
      return

    if isinstance (parent, gtk.Paned):
      index = self.term_list.index (widget)
      grandparent = parent.get_parent ()

      # Discover sibling while all objects exist
      if widget == parent.get_child1 ():
        sibling = parent.get_child2 ()
        focus_on_close = 'next'
      if widget == parent.get_child2 ():
        sibling = parent.get_child1 ()

      if not sibling:
        # something is wrong, give up
        err ("Error: %s is not a child of %s"%(widget, parent))
        return False

      parent.remove(widget)
      if isinstance(grandparent, gtk.Notebook):
        page = -1
        for i in range(0, grandparent.get_n_pages()):
          if grandparent.get_nth_page(i) == parent:
            page = i
            break
        parent.remove(sibling)
        grandparent.remove_page(page)
        grandparent.insert_page(sibling, None,page)
        grandparent.set_tab_label_packing(sibling, True, True, gtk.PACK_START)
        grandparent.set_tab_reorderable(sibling, True)
        grandparent.set_current_page(page)
        
        
      else:
        grandparent.remove (parent)
        sibling.reparent (grandparent)
        if not self._zoomed:
          grandparent.resize_children()
      parent.destroy ()
      if isinstance(sibling, TerminatorTerm) and isinstance(sibling.get_parent(), gtk.Notebook):
        sibling._titlebox.hide()
        
      self.term_list.remove (widget)

    elif isinstance (parent, gtk.Notebook):
      parent.remove(widget)
      nbpages = parent.get_n_pages()
      index = self.term_list.index (widget)
      self.term_list.remove (widget)
      if nbpages == 1:
        sibling = parent.get_nth_page(0)
        parent.remove(sibling)
        gdparent = parent.get_parent()
        if isinstance(gdparent, gtk.Window):
          gdparent.remove(parent)
          gdparent.add(sibling)
        elif isinstance(gdparent, gtk.Paned):
          if gdparent.get_child1() == parent:
            gdparent.remove(parent)
            gdparent.pack1(sibling)
          else:
            gdparent.remove(parent)
            gdparent.pack2(sibling)
        if isinstance(sibling, TerminatorTerm) and sibling.conf.titlebars and sibling.conf.extreme_tabs:
          sibling._titlebox.show()
        parent.destroy()
    if self.conf.focus_on_close == 'prev' or ( self.conf.focus_on_close == 'auto' and focus_on_close == 'prev'):
      if index == 0: index = 1
      self.term_list[index - 1]._vte.grab_focus ()
      self._set_current_notebook_page_recursive(self.term_list[index - 1])
    elif self.conf.focus_on_close == 'next' or ( self.conf.focus_on_close == 'auto' and focus_on_close == 'next'):
      if index == len(self.term_list): index = index - 1
      self.term_list[index]._vte.grab_focus ()
      self._set_current_notebook_page_recursive(self.term_list[index])
      
    if len(self.term_list) == 1:
      self.term_list[0]._titlebox.hide()

    return True
    
  def closeterm (self, widget):
    if self._zoomed:
      # We are zoomed, pop back out to normal layout before closing
      dbg ("closeterm function called while in zoomed mode. Restoring previous layout before closing.")
      self.toggle_zoom(widget, not self._maximised)

    if self.remove(widget):
      widget.destroy ()
      return True
    return False

  def go_next (self, term):
    current = self.term_list.index (term)
    next = current

    if current == len (self.term_list) - 1:
      next = 0
    else:
      next += 1

    
    nextterm = self.term_list[next]
    ##we need to set the current page of each notebook
    self._set_current_notebook_page_recursive(nextterm)
    
    nextterm._vte.grab_focus ()
      

  def go_prev (self, term):
    current = self.term_list.index (term)
    previous = current

    if current == 0:
      previous = len (self.term_list) - 1
    else:
      previous -= 1

    #self.window.set_title(self.term_list[previous]._vte.get_window_title())
    previousterm = self.term_list[previous]
    ##we need to set the current page of each notebook
    self._set_current_notebook_page_recursive(previousterm)
    previousterm._vte.grab_focus ()
    
    
  def _set_current_notebook_page_recursive(self, widget):
    page = self.get_first_notebook_page(widget)
    while page:
      child = None
      page_num = page[0].page_num(page[1])
      page[0].set_current_page(page_num)
      page = self.get_first_notebook_page(page[0])
      

  def resizeterm (self, widget, keyname):
    vertical = False
    if keyname in ('Up', 'Down'):
      vertical = True
    elif keyname in ('Left', 'Right'):
      vertical = False
    else:
      return
    parent = self.get_first_parent_paned(widget,vertical)
    if parent == None:
      return
    
    #We have a corresponding parent pane
    #
    #allocation = parent.get_allocation()

    if keyname in ('Up', 'Down'):
      maxi = parent.get_child1().get_allocation().height + parent.get_child2().get_allocation().height - 1

    else:
      maxi = parent.get_child1().get_allocation().width + parent.get_child2().get_allocation().width - 1
    move = 10
    if keyname in ('Up', 'Left'):
      move = -10

    move = max(2, parent.get_position() + move)
    move = min(maxi, move)

    parent.set_position(move)

  def previous_tab(self, term):
    notebook = self.get_first_parent_notebook(term)
    notebook.prev_page()
    return
    
  def next_tab(self, term):
    notebook = self.get_first_parent_notebook(term)
    notebook.next_page()
    return
  
  def move_tab(self, term, direction):
    dbg("moving to direction %s" % direction)
    (notebook, page) = self.get_first_notebook_page(term)
    page_num = notebook.page_num(page)
    nbpages = notebook.get_n_pages()
    #dbg ("%s %s %s %s" % (page_num, nbpages,notebook, page))
    if page_num == 0 and direction == 'left':
      new_page_num = nbpages  
    elif page_num == nbpages - 1 and direction == 'right':
      new_page_num = 0
    elif direction == 'left':
      new_page_num = page_num - 1
    elif direction == 'right':
      new_page_num = page_num + 1
    else:
      dbg("[ERROR] unhandled combination in move_tab: direction = %s page_num = %d" % (direction, page_num))
      return False
    notebook.reorder_child(page, new_page_num)
    return True
    
  def get_first_parent_notebook(self, widget):
    if isinstance (widget, gtk.Window):
      return None
    parent = widget.get_parent()
    if isinstance (parent, gtk.Notebook):
        return parent
    return self.get_first_parent_notebook(parent)
  
  def get_first_parent_paned (self, widget, vertical = None):
    """This method returns the first parent pane of a widget.
    if vertical is True returns the first VPaned
    if vertical is False return the first Hpaned
    if is None return the First Paned"""
    if isinstance (widget, gtk.Window):
      return None
    parent = widget.get_parent()
    if isinstance (parent, gtk.Paned) and vertical is None:
        return parent
    if isinstance (parent, gtk.VPaned) and vertical:
      return parent
    elif isinstance (parent, gtk.HPaned) and not vertical:
      return parent
    return self.get_first_parent_paned(parent, vertical)

  def get_first_notebook_page(self, widget):
    if isinstance (widget, gtk.Window):
      return None
    parent = widget.get_parent()
    if isinstance (parent, gtk.Notebook):
      page = -1
      for i in range(0, parent.get_n_pages()):
        if parent.get_nth_page(i) == widget:
          return (parent, widget)
    return self.get_first_notebook_page(parent)

  def reconfigure_vtes (self):
    for term in self.term_list:
      term.reconfigure_vte ()

  def toggle_zoom(self, widget, fontscale = False):
    if not self._zoomed:
      self.zoom_term (widget, fontscale)
      if self.conf.titlebars:
        widget._titlebox.hide()
    else:
      self.unzoom_term (widget, fontscale)
      if self.conf.titlebars and \
          len(self.term_list) > 1 \
          and \
          (isinstance(widget, TerminatorTerm) and isinstance(widget.get_parent(),gtk.Paned))\
          :
        widget._titlebox.show()
    widget._vte.grab_focus()

  def zoom_term (self, widget, fontscale = False):
    """Proof of concept: Maximize to full window                                         
    an instance of TerminatorTerm.           
    """
    self.old_font = widget._vte.get_font ()
    self.old_columns = widget._vte.get_column_count ()
    self.old_rows = widget._vte.get_row_count ()
    self.old_parent = widget.get_parent()

    if isinstance(self.old_parent, gtk.Window):
      return
    if isinstance(self.old_parent, gtk.Notebook):
      self.old_page = self.old_parent.get_current_page()

    self.window_child = self.window.get_children()[0]
    self.window.remove(self.window_child)
    self.old_parent.remove(widget)
    self.window.add(widget)
    self._zoomed = True

    if fontscale:
      self.cnid = widget.connect ("size-allocate", self.zoom_scale_font)
    else:
      self._maximised = True

  def zoom_scale_font (self, widget, allocation):
    new_columns = widget._vte.get_column_count ()
    new_rows = widget._vte.get_row_count ()
    new_font = widget._vte.get_font ()

    dbg ('zoom_term: I just went from %dx%d to %dx%d. Raa!'%(self.old_columns, self.old_rows, new_columns, new_rows))

    old_area = self.old_columns * self.old_rows
    new_area = new_columns * new_rows
    area_factor = new_area / old_area

    dbg ('zoom_term: My area changed from %d characters to %d characters, a factor of %f.'%(old_area, new_area, area_factor))

    new_font.set_size (self.old_font.get_size() * (area_factor / 2))
    dbg ('zoom_term: Scaled font from %f to %f'%(self.old_font.get_size () / pango.SCALE, new_font.get_size () / pango.SCALE))
    widget._vte.set_font (new_font)
    widget.disconnect (self.cnid)

  def unzoom_term (self, widget, fontscale = False):
    """Proof of concept: Go back to previous application                                 
    widget structure.                        
    """
    if self._zoomed:
      if fontscale:
        widget._vte.set_font (self.old_font)
      self._zoomed = False
      self._maximised = False

      self.window.remove(widget)
      self.window.add(self.window_child)
      self.old_parent.add(widget)
      if isinstance(self.old_parent, gtk.Notebook):
        self.old_parent.set_current_page(self.old_page)

if __name__ == '__main__':
  def execute_cb (option, opt, value, parser):
    assert value is None
    value = []
    while parser.rargs:
      arg = parser.rargs[0]
      value.append (arg)
      del (parser.rargs[0])
    setattr(parser.values, option.dest, value)

  def profile_cb (option, opt, value, parser):
    assert value is None
    value = ''
    while parser.rargs:
      arg = parser.rargs[0]
      if arg[0] != '-':
        if len (value) > 0:
          value = '%s %s'%(value, arg)
        else:
          value = '%s'%arg
        del (parser.rargs[0])
      else:
        break
    setattr (parser.values, option.dest, value)

  usage = "usage: %prog [options]"
  parser = OptionParser (usage)
  parser.add_option ("-v", "--version", action="store_true", dest="version", help="Display program version")
  parser.add_option ("-d", "--debug", action="store_true", dest="debug", help="Enable debugging information")
  parser.add_option ("-m", "--maximise", action="store_true", dest="maximise", help="Open the %s window maximised"%APP_NAME.capitalize())
  parser.add_option ("-f", "--fullscreen", action="store_true", dest="fullscreen", help="Set the window into fullscreen mode")
  parser.add_option ("-b", "--borderless", action="store_true", dest="borderless", help="Turn off the window's borders")
  parser.add_option ("-p", "--profile", dest="profile", action="callback", callback=profile_cb, help="Specify a GNOME Terminal profile to emulate")
  parser.add_option ("-e", "--command", dest="command", help="Execute the argument to this option inside the terminal")
  parser.add_option ("-x", "--execute", dest="execute", action="callback", callback=execute_cb, help="Execute the remainder of the command line inside the terminal")

  (options, args) = parser.parse_args ()
  if len (args) != 0:
    parser.error("Expecting zero additional arguments, found: %d"%len (args))

  if options.version:
    print "%s %s"%(APP_NAME, APP_VERSION)
    sys.exit (0)

  command = []
  if (options.command):
    command.append (options.command)
  if (options.execute):
    command = options.execute
  
  if gtk.gdk.display_get_default() == None:
    err (_("You need to run terminator in an X environment. " \
    "Make sure DISPLAY is properly set"))
    sys.exit(1)

  print 'profile_cb: settled on profile: "%s"'%options.profile
  term = Terminator (options.profile, command, options.fullscreen, options.maximise, options.borderless)

  gtk.main ()