689 lines
27 KiB
Python
689 lines
27 KiB
Python
# 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 gi
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gi.require_version('Vte', '2.91')
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from gi.repository import Gtk, Gdk, Vte
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from gi.repository.GLib import GError
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from . import borg
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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 .version import APP_NAME, APP_VERSION
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try:
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from gi.repository import GdkX11
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except ImportError:
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dbg("could not import X11 gir module")
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def eventkey2gdkevent(eventkey): # FIXME FOR GTK3: is there a simpler way of casting from specific EventKey to generic (union) GdkEvent?
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gdkevent = Gdk.Event.new(eventkey.type)
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gdkevent.key.window = eventkey.window
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gdkevent.key.send_event = eventkey.send_event
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gdkevent.key.time = eventkey.time
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gdkevent.key.state = eventkey.state
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gdkevent.key.keyval = eventkey.keyval
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gdkevent.key.length = eventkey.length
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gdkevent.key.string = eventkey.string
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gdkevent.key.hardware_keycode = eventkey.hardware_keycode
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gdkevent.key.group = eventkey.group
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gdkevent.key.is_modifier = eventkey.is_modifier
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return gdkevent
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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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launcher_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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style_providers = None
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last_focused_term = 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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gnome_client = None
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debug_address = None
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ibus_running = None
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doing_layout = None
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layoutname = None
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last_active_window = None
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prelayout_windows = None
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groupsend = None
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groupsend_type = {'all':0, 'group':1, 'off':2}
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cur_gtk_theme_name = None
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gtk_settings = None
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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.launcher_windows:
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self.launcher_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 not self.config:
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self.config = Config()
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if self.groupsend == None:
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self.groupsend = self.groupsend_type[self.config['broadcast_default']]
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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.style_providers:
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self.style_providers = []
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if not self.doing_layout:
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self.doing_layout = False
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if self.gnome_client is None:
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self.attempt_gnome_client()
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self.connect_signals()
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def connect_signals(self):
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"""Connect all the gtk signals"""
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self.gtk_settings=Gtk.Settings().get_default()
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self.gtk_settings.connect('notify::gtk-theme-name', self.on_gtk_theme_name_notify)
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self.cur_gtk_theme_name = self.gtk_settings.get_property('gtk-theme-name')
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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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from gi.repository import Gnome
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self.gnome_program = Gnome.init(APP_NAME, APP_VERSION) # VERIFY FOR GTK3
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self.gnome_client = Gnome.Ui.master_client() # VERIFY FOR GTK3
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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 get_windows(self):
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"""Return a list of windows"""
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return self.windows
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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_launcher_window(self, window):
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"""Register a new launcher window widget"""
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if window not in self.launcher_windows:
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dbg('Terminator::register_launcher_window: registering %s:%s' % (id(window),
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type(window)))
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self.launcher_windows.append(window)
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def deregister_launcher_window(self, window):
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"""de-register a launcher window widget"""
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dbg('Terminator::deregister_launcher_window: de-registering %s:%s' %
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(id(window), type(window)))
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if window in self.launcher_windows:
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self.launcher_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.launcher_windows) == 0 and 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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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 find_window_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 window in self.windows:
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dbg('checking: %s (%s)' % (window.uuid.urn, window))
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if window.uuid.urn == uuid:
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return window
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return None
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def new_window(self, cwd=None, profile=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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if profile and self.config['always_split_with_profile']:
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terminal.force_set_profile(None, profile)
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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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self.last_active_window = None
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self.prelayout_windows = self.windows[:]
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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 list(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 list(layout[obj].keys()):
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if layout[obj][objkey] != '' and objkey not in hierarchy[obj]:
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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 'parent' not in layout[obj]:
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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 layout[obj]['parent'] in objects:
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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 list(layout[obj].keys()):
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if objkey not in childobj:
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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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if 'position' in layout[windef]:
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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 'size' in layout[windef]:
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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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if 'title' in layout[windef]:
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window.title.force_title(layout[windef]['title'])
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if 'maximised' in layout[windef]:
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if layout[windef]['maximised'] == 'True':
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window.ismaximised = True
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else:
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window.ismaximised = False
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window.set_maximised(window.ismaximised)
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if 'fullscreen' in layout[windef]:
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if layout[windef]['fullscreen'] == 'True':
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window.isfullscreen = True
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else:
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window.isfullscreen = False
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window.set_fullscreen(window.isfullscreen)
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window.create_layout(layout[windef])
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self.layoutname = layoutname
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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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maker = Factory()
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window_last_active_term_mapping = {}
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for window in self.windows:
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if window.is_child_notebook():
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source = window.get_toplevel().get_children()[0]
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else:
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source = window
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window_last_active_term_mapping[window] = copy.copy(source.last_active_term)
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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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for window in self.windows:
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if window.is_child_notebook():
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# For windows with a notebook
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notebook = window.get_toplevel().get_children()[0]
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# Cycle through pages by number
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for page in range(0, notebook.get_n_pages()):
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# Try and get the entry in the previously saved mapping
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mapping = window_last_active_term_mapping[window]
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page_last_active_term = mapping.get(notebook.get_nth_page(page), None)
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if page_last_active_term is None:
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# Couldn't find entry, so we find the first child of type Terminal
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children = notebook.get_nth_page(page).get_children()
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for page_last_active_term in children:
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if maker.isinstance(page_last_active_term, 'Terminal'):
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page_last_active_term = page_last_active_term.uuid
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break
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else:
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err('Should never reach here!')
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page_last_active_term = None
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if page_last_active_term is None:
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# Bail on this tab as we're having no luck here, continue with the next
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continue
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# Set the notebook entry, then ensure Terminal is visible and focussed
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urn = page_last_active_term.urn
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notebook.last_active_term[notebook.get_nth_page(page)] = page_last_active_term
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if urn:
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term = self.find_terminal_by_uuid(urn)
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if term:
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term.ensure_visible_and_focussed()
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else:
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# For windows without a notebook ensure Terminal is visible and focussed
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if window_last_active_term_mapping[window]:
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term = self.find_terminal_by_uuid(window_last_active_term_mapping[window].urn)
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term.ensure_visible_and_focussed()
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# Build list of new windows using prelayout list
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new_win_list = []
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if self.prelayout_windows:
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for window in self.windows:
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if window not in self.prelayout_windows:
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new_win_list.append(window)
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# Make sure all new windows get bumped to the top
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for window in new_win_list:
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window.show()
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window.grab_focus()
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try:
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t = GdkX11.x11_get_server_time(window.get_window())
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except (NameError,TypeError, AttributeError):
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t = 0
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window.get_window().focus(t)
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# Awful workaround to be sure that the last focused window is actually the one focused.
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# Don't ask, don't tell policy on this. Even this is not 100%
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if self.last_active_window:
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window = self.find_window_by_uuid(self.last_active_window.urn)
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count = 0
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while count < 1000 and Gtk.events_pending():
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count += 1
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Gtk.main_iteration_do(False)
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window.show()
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window.grab_focus()
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try:
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t = GdkX11.x11_get_server_time(window.get_window())
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except (NameError,TypeError, AttributeError):
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t = 0
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window.get_window().focus(t)
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self.prelayout_windows = None
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def on_gtk_theme_name_notify(self, settings, prop):
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"""Reconfigure if the gtk theme name changes"""
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new_gtk_theme_name = settings.get_property(prop.name)
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if new_gtk_theme_name != self.cur_gtk_theme_name:
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self.cur_gtk_theme_name = new_gtk_theme_name
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self.reconfigure()
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def reconfigure(self):
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"""Update configuration for the whole application"""
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if self.style_providers != []:
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for style_provider in self.style_providers:
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Gtk.StyleContext.remove_provider_for_screen(
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Gdk.Screen.get_default(),
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style_provider)
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self.style_providers = []
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# Force the window background to be transparent for newer versions of
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# GTK3. We then have to fix all the widget backgrounds because the
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# widgets theming may not render it's own background.
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css = """
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.terminator-terminal-window {
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background-color: alpha(@theme_bg_color,0); }
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.terminator-terminal-window .notebook.header,
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.terminator-terminal-window notebook header {
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background-color: @theme_bg_color; }
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.terminator-terminal-window .pane-separator {
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background-color: @theme_bg_color; }
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.terminator-terminal-window .terminator-terminal-searchbar {
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background-color: @theme_bg_color; }
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"""
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# Fix several themes that put a borders, corners, or backgrounds around
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# viewports, making the titlebar look bad.
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css += """
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.terminator-terminal-window GtkViewport,
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.terminator-terminal-window viewport {
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border-width: 0px;
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border-radius: 0px;
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background-color: transparent; }
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"""
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# Add per profile snippets for setting the background of the HBox
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template = """
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.terminator-profile-%s {
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background-color: alpha(%s, %s); }
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"""
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profiles = self.config.base.profiles
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for profile in list(profiles.keys()):
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if profiles[profile]['use_theme_colors']:
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# Create a dummy window/vte and realise it so it has correct
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# values to read from
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tmp_win = Gtk.Window()
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tmp_vte = Vte.Terminal()
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tmp_win.add(tmp_vte)
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tmp_win.realize()
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bgcolor = tmp_vte.get_style_context().get_background_color(Gtk.StateType.NORMAL)
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bgcolor = "#{0:02x}{1:02x}{2:02x}".format(int(bgcolor.red * 255),
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int(bgcolor.green * 255),
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int(bgcolor.blue * 255))
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tmp_win.remove(tmp_vte)
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del(tmp_vte)
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del(tmp_win)
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else:
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bgcolor = Gdk.RGBA()
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bgcolor = profiles[profile]['background_color']
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if profiles[profile]['background_type'] == 'transparent':
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bgalpha = profiles[profile]['background_darkness']
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|
else:
|
|
bgalpha = "1"
|
|
|
|
munged_profile = "".join([c if c.isalnum() else "-" for c in profile])
|
|
css += template % (munged_profile, bgcolor, bgalpha)
|
|
|
|
style_provider = Gtk.CssProvider()
|
|
style_provider.load_from_data(css.encode('utf-8'))
|
|
self.style_providers.append(style_provider)
|
|
|
|
# Attempt to load some theme specific stylistic tweaks for appearances
|
|
usr_theme_dir = os.path.expanduser('~/.local/share/themes')
|
|
(head, _tail) = os.path.split(borg.__file__)
|
|
app_theme_dir = os.path.join(head, 'themes')
|
|
|
|
theme_name = self.gtk_settings.get_property('gtk-theme-name')
|
|
|
|
theme_part_list = ['terminator.css']
|
|
if self.config['extra_styling']: # checkbox_style - needs adding to prefs
|
|
theme_part_list.append('terminator_styling.css')
|
|
for theme_part_file in theme_part_list:
|
|
for theme_dir in [usr_theme_dir, app_theme_dir]:
|
|
path_to_theme_specific_css = os.path.join(theme_dir,
|
|
theme_name,
|
|
'gtk-3.0/apps',
|
|
theme_part_file)
|
|
if os.path.isfile(path_to_theme_specific_css):
|
|
style_provider = Gtk.CssProvider()
|
|
style_provider.connect('parsing-error', self.on_css_parsing_error)
|
|
try:
|
|
style_provider.load_from_path(path_to_theme_specific_css)
|
|
except GError:
|
|
# Hmmm. Should we try to provide GTK version specific files here on failure?
|
|
gtk_version_string = '.'.join([str(Gtk.get_major_version()),
|
|
str(Gtk.get_minor_version()),
|
|
str(Gtk.get_micro_version())])
|
|
err('Error(s) loading css from %s into Gtk %s' % (path_to_theme_specific_css,
|
|
gtk_version_string))
|
|
self.style_providers.append(style_provider)
|
|
break
|
|
|
|
# Size the GtkPaned splitter handle size.
|
|
css = ""
|
|
if self.config['handle_size'] in range(0, 21):
|
|
css += """
|
|
.terminator-terminal-window GtkPaned,
|
|
.terminator-terminal-window paned {
|
|
-GtkPaned-handle-size: %s; }
|
|
""" % self.config['handle_size']
|
|
style_provider = Gtk.CssProvider()
|
|
style_provider.load_from_data(css.encode('utf-8'))
|
|
self.style_providers.append(style_provider)
|
|
|
|
# Apply the providers, incrementing priority so they don't cancel out
|
|
# each other
|
|
for idx in range(0, len(self.style_providers)):
|
|
Gtk.StyleContext.add_provider_for_screen(
|
|
Gdk.Screen.get_default(),
|
|
self.style_providers[idx],
|
|
Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION+idx)
|
|
|
|
# Cause all the terminals to reconfigure
|
|
for terminal in self.terminals:
|
|
terminal.reconfigure()
|
|
|
|
# Reparse our keybindings
|
|
self.keybindings.configure(self.config['keybindings'])
|
|
|
|
# Update tab position if appropriate
|
|
maker = Factory()
|
|
for window in self.windows:
|
|
child = window.get_child()
|
|
if maker.isinstance(child, 'Notebook'):
|
|
child.configure()
|
|
|
|
def on_css_parsing_error(self, provider, section, error, user_data=None):
|
|
"""Report CSS parsing issues"""
|
|
file_path = section.get_file().get_path()
|
|
line_no = section.get_end_line() +1
|
|
col_no = section.get_end_position() + 1
|
|
err('%s, at line %d, column %d, of file %s' % (error.message,
|
|
line_no, col_no,
|
|
file_path))
|
|
|
|
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 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, eventkey2gdkevent(event))
|
|
|
|
def all_emit(self, terminal, type, event):
|
|
"""Emit to all terminals"""
|
|
for term in self.terminals:
|
|
if term != terminal:
|
|
term.vte.emit(type, eventkey2gdkevent(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'
|
|
|
|
terminals = []
|
|
for window in self.windows:
|
|
containers, win_terminals = enumerate_descendants(window)
|
|
terminals.extend(win_terminals)
|
|
|
|
for term in self.get_target_terms(widget):
|
|
idx = terminals.index(term)
|
|
term.feed(numstr % (idx + 1))
|
|
|
|
def get_sibling_terms(self, widget):
|
|
termset = []
|
|
for term in self.terminals:
|
|
if term.group == widget.group:
|
|
termset.append(term)
|
|
return(termset)
|
|
|
|
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']:
|
|
if widget.group != None:
|
|
return(self.get_sibling_terms(widget))
|
|
return([widget])
|
|
|
|
def get_focussed_terminal(self):
|
|
"""iterate over all the terminals to find which, if any, has focus"""
|
|
for terminal in self.terminals:
|
|
if terminal.has_focus():
|
|
return(terminal)
|
|
return(None)
|
|
|
|
def focus_changed(self, widget):
|
|
"""We just moved focus to a new terminal"""
|
|
for terminal in self.terminals:
|
|
terminal.titlebar.update(widget)
|
|
return
|
|
|
|
def focus_left(self, widget):
|
|
self.last_focused_term=widget
|
|
|
|
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:
|