390 lines
14 KiB
Python
Executable File
390 lines
14 KiB
Python
Executable File
#!/usr/bin/python
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# Terminator by Chris Jones <cmsj@tenshu.net>
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# GPL v2 only
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"""terminator.py - class for the master Terminator singleton"""
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import copy
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import os
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import gtk
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from borg import Borg
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from config import Config
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from keybindings import Keybindings
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from util import dbg, err, enumerate_descendants
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from factory import Factory
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from cwd import get_pid_cwd
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from version import APP_NAME, APP_VERSION
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class Terminator(Borg):
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"""master object for the application"""
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windows = None
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windowtitle = None
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terminals = None
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groups = None
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config = None
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keybindings = None
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origcwd = None
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dbus_path = None
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dbus_name = None
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pid_cwd = None
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gnome_client = None
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debug_address = None
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doing_layout = None
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groupsend = None
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groupsend_type = {'all':0, 'group':1, 'off':2}
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def __init__(self):
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"""Class initialiser"""
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Borg.__init__(self, self.__class__.__name__)
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self.prepare_attributes()
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def prepare_attributes(self):
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"""Initialise anything that isn't already"""
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if not self.windows:
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self.windows = []
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if not self.terminals:
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self.terminals = []
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if not self.groups:
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self.groups = []
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if self.groupsend == None:
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self.groupsend = self.groupsend_type['group']
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if not self.config:
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self.config = Config()
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if not self.keybindings:
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self.keybindings = Keybindings()
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self.keybindings.configure(self.config['keybindings'])
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if not self.doing_layout:
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self.doing_layout = False
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if not self.pid_cwd:
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self.pid_cwd = get_pid_cwd()
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if self.gnome_client is None:
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self.attempt_gnome_client()
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def set_origcwd(self, cwd):
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"""Store the original cwd our process inherits"""
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if cwd == '/':
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cwd = os.path.expanduser('~')
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os.chdir(cwd)
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self.origcwd = cwd
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def set_dbus_data(self, dbus_service):
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"""Store the DBus bus details, if they are available"""
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if dbus_service:
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self.dbus_name = dbus_service.bus_name.get_name()
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self.dbus_path = dbus_service.bus_path
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def attempt_gnome_client(self):
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"""Attempt to find a GNOME Session to register with"""
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try:
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import gnome
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import gnome.ui
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self.gnome_program = gnome.init(APP_NAME, APP_VERSION)
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self.gnome_client = gnome.ui.master_client()
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self.gnome_client.connect_to_session_manager()
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self.gnome_client.connect('save-yourself', self.save_yourself)
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self.gnome_client.connect('die', self.die)
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dbg('GNOME session support enabled and registered')
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except (ImportError, AttributeError):
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self.gnome_client = False
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dbg('GNOME session support not available')
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def save_yourself(self, *args):
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"""Save as much state as possible for the session manager"""
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dbg('preparing session manager state')
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# FIXME: Implement this
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def die(self, *args):
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"""Die at the hands of the session manager"""
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dbg('session manager asked us to die')
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# FIXME: Implement this
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def register_window(self, window):
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"""Register a new window widget"""
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if window not in self.windows:
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dbg('Terminator::register_window: registering %s:%s' % (id(window),
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type(window)))
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self.windows.append(window)
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def deregister_window(self, window):
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"""de-register a window widget"""
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dbg('Terminator::deregister_window: de-registering %s:%s' %
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(id(window), type(window)))
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if window in self.windows:
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self.windows.remove(window)
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else:
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err('%s is not in registered window list' % window)
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if len(self.windows) == 0:
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# We have no windows left, we should exit
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dbg('no windows remain, quitting')
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gtk.main_quit()
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def register_terminal(self, terminal):
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"""Register a new terminal widget"""
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if terminal not in self.terminals:
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dbg('Terminator::register_terminal: registering %s:%s' %
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(id(terminal), type(terminal)))
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self.terminals.append(terminal)
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terminal.connect('ungroup-all', self.ungroup_all)
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def deregister_terminal(self, terminal):
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"""De-register a terminal widget"""
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dbg('Terminator::deregister_terminal: de-registering %s:%s' %
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(id(terminal), type(terminal)))
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self.terminals.remove(terminal)
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if len(self.terminals) == 0:
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dbg('no terminals remain, destroying all windows')
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for window in self.windows:
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window.destroy()
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else:
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dbg('Terminator::deregister_terminal: %d terminals remain' %
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len(self.terminals))
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def find_terminal_by_uuid(self, uuid):
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"""Search our terminals for one matching the supplied UUID"""
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dbg('searching self.terminals for: %s' % uuid)
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for terminal in self.terminals:
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dbg('checking: %s (%s)' % (terminal.uuid.urn, terminal))
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if terminal.uuid.urn == uuid:
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return terminal
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return None
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def new_window(self, cwd=None):
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"""Create a window with a Terminal in it"""
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maker = Factory()
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window = maker.make('Window')
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terminal = maker.make('Terminal')
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if cwd:
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terminal.set_cwd(cwd)
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window.add(terminal)
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window.show(True)
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terminal.spawn_child()
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return(window, terminal)
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def create_layout(self, layoutname):
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"""Create all the parts necessary to satisfy the specified layout"""
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layout = None
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objects = {}
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self.doing_layout = True
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layout = copy.deepcopy(self.config.layout_get_config(layoutname))
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if not layout:
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# User specified a non-existent layout. default to one Terminal
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err('layout %s not defined' % layout)
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self.new_window()
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return
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# Wind the flat objects into a hierarchy
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hierarchy = {}
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count = 0
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# Loop over the layout until we have consumed it, or hit 1000 loops.
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# This is a stupid artificial limit, but it's safe.
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while len(layout) > 0 and count < 1000:
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count = count + 1
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if count == 1000:
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err('hit maximum loop boundary. THIS IS VERY LIKELY A BUG')
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for obj in layout.keys():
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if layout[obj]['type'].lower() == 'window':
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hierarchy[obj] = {}
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hierarchy[obj]['type'] = 'Window'
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hierarchy[obj]['children'] = {}
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# Copy any additional keys
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for objkey in layout[obj].keys():
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if layout[obj][objkey] != '' and not hierarchy[obj].has_key(objkey):
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hierarchy[obj][objkey] = layout[obj][objkey]
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objects[obj] = hierarchy[obj]
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del(layout[obj])
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else:
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# Now examine children to see if their parents exist yet
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if not layout[obj].has_key('parent'):
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err('Invalid object: %s' % obj)
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del(layout[obj])
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continue
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if objects.has_key(layout[obj]['parent']):
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# Our parent has been created, add ourselves
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childobj = {}
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childobj['type'] = layout[obj]['type']
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childobj['children'] = {}
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# Copy over any additional object keys
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for objkey in layout[obj].keys():
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if not childobj.has_key(objkey):
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childobj[objkey] = layout[obj][objkey]
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objects[layout[obj]['parent']]['children'][obj] = childobj
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objects[obj] = childobj
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del(layout[obj])
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layout = hierarchy
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for windef in layout:
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if layout[windef]['type'] != 'Window':
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err('invalid layout format. %s' % layout)
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raise(ValueError)
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dbg('Creating a window')
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window, terminal = self.new_window()
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window.create_layout(layout[windef])
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if layout[windef].has_key('position'):
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parts = layout[windef]['position'].split(':')
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if len(parts) == 2:
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window.move(int(parts[0]), int(parts[1]))
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if layout[windef].has_key('size'):
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parts = layout[windef]['size']
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winx = int(parts[0])
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winy = int(parts[1])
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if winx > 1 and winy > 1:
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window.resize(winx, winy)
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def layout_done(self):
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"""Layout operations have finished, record that fact"""
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self.doing_layout = False
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for terminal in self.terminals:
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if not terminal.pid:
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terminal.spawn_child()
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def reconfigure(self):
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"""Update configuration for the whole application"""
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if self.config['handle_size'] in xrange(0, 6):
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gtk.rc_parse_string("""
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style "terminator-paned-style" {
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GtkPaned::handle_size = %s
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}
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class "GtkPaned" style "terminator-paned-style"
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""" % self.config['handle_size'])
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gtk.rc_reset_styles(gtk.settings_get_default())
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# Cause all the terminals to reconfigure
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for terminal in self.terminals:
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terminal.reconfigure()
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# Reparse our keybindings
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self.keybindings.configure(self.config['keybindings'])
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# Update tab position if appropriate
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maker = Factory()
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for window in self.windows:
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child = window.get_child()
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if maker.isinstance(child, 'Notebook'):
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child.configure()
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def create_group(self, name):
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"""Create a new group"""
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if name not in self.groups:
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dbg('Terminator::create_group: registering group %s' % name)
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self.groups.append(name)
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def ungroup_all(self, widget):
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"""Remove all groups"""
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for terminal in self.terminals:
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terminal.set_group(None, None)
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self.groups = []
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def closegroupedterms(self, group):
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"""Close all terminals in a group"""
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for terminal in self.terminals:
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if terminal.group == group:
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terminal.close()
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def group_hoover(self):
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"""Clean out unused groups"""
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if self.config['autoclean_groups']:
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inuse = []
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todestroy = []
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for terminal in self.terminals:
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if terminal.group:
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if not terminal.group in inuse:
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inuse.append(terminal.group)
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for group in self.groups:
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if not group in inuse:
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todestroy.append(group)
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dbg('Terminator::group_hoover: %d groups, hoovering %d' %
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(len(self.groups), len(todestroy)))
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for group in todestroy:
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self.groups.remove(group)
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def group_emit(self, terminal, group, type, event):
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"""Emit to each terminal in a group"""
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dbg('Terminator::group_emit: emitting a keystroke for group %s' %
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group)
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for term in self.terminals:
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if term != terminal and term.group == group:
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term.vte.emit(type, event)
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def all_emit(self, terminal, type, event):
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"""Emit to all terminals"""
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for term in self.terminals:
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if term != terminal:
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term.vte.emit(type, event)
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def do_enumerate(self, widget, pad):
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"""Insert the number of each terminal in a group, into that terminal"""
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if pad:
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numstr = '%0'+str(len(str(len(self.terminals))))+'d'
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else:
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numstr = '%d'
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terminals = []
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for window in self.windows:
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containers, win_terminals = enumerate_descendants(window)
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terminals.extend(win_terminals)
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for term in self.get_target_terms(widget):
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idx = terminals.index(term)
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term.feed(numstr % (idx + 1))
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def get_target_terms(self, widget):
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"""Get the terminals we should currently be broadcasting to"""
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if self.groupsend == self.groupsend_type['all']:
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return(self.terminals)
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elif self.groupsend == self.groupsend_type['group']:
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termset = []
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for term in self.terminals:
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if term == widget or (term.group != None and term.group ==
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widget.group):
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termset.append(term)
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return(termset)
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else:
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return([widget])
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def get_focussed_terminal(self):
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"""iterate over all the terminals to find which, if any, has focus"""
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for terminal in self.terminals:
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if terminal.flags()>k.HAS_FOCUS:
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return(terminal)
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return(None)
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def focus_changed(self, widget):
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"""We just moved focus to a new terminal"""
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for terminal in self.terminals:
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terminal.titlebar.update(widget)
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return
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def describe_layout(self):
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"""Describe our current layout"""
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layout = {}
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count = 0
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for window in self.windows:
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parent = ''
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count = window.describe_layout(count, parent, layout, 0)
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return(layout)
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# vim: set expandtab ts=4 sw=4:
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