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