262 lines
8.9 KiB
Python
Executable File
262 lines
8.9 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 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, get_top_window
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import util
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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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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 not self.groupsend:
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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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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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self.windows.remove(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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terminal.connect('navigate', self.navigate_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 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("""style "terminator-paned-style" {
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GtkPaned::handle_size = %s }
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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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def navigate_terminal(self, terminal, direction):
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"""Nagivate around the terminals"""
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current = self.terminals.index(terminal)
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length = len(self.terminals)
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next = None
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if length <= 1:
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return
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if direction == 'next':
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next = current + 1
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if next >= length:
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next = 0
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elif direction == 'prev':
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next = current - 1
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if next < 0:
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next = length - 1
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elif direction in ['left', 'right', 'up', 'down']:
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window = get_top_window(terminal)
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layout = window.get_visible_terminals()
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allocation = terminal.get_allocation()
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possibles = []
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# Get the co-ordinate of the appropriate edge for this direction
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edge = util.get_edge(allocation, direction)
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# Find all visible terminals which are, in their entirity, in the
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# direction we want to move
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for term in layout:
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rect = layout[term]
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if util.get_nav_possible(edge, rect, direction):
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possibles.append(term)
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if len(possibles) == 0:
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return
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# Find out how far away each of the possible terminals is, then
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# find the smallest distance. The winning terminals are all of
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# those who are that distance away.
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offsets = {}
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for term in possibles:
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rect = layout[term]
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offsets[term] = util.get_nav_offset(edge, rect, direction)
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keys = offsets.values()
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keys.sort()
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winners = [k for k, v in offsets.iteritems() if v == keys[0]]
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next = self.terminals.index(winners[0])
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if len(winners) > 1:
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# Break an n-way tie with the cursor position
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cursor_x, cursor_y = terminal.get_cursor_position()
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cursor_x = cursor_x + allocation.x
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cursor_y = cursor_y + allocation.y
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for term in winners:
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rect = layout[term]
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if util.get_nav_tiebreak(direction, cursor_x, cursor_y, rect):
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next = self.terminals.index(term)
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break;
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else:
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err('Unknown navigation direction: %s' % direction)
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if next is not None:
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self.terminals[next].grab_focus()
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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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for term in self.get_target_terms(widget):
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idx = self.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 group_tab(self, widget):
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"""Group all the terminals in a tab"""
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# FIXME: Implement or drop
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pass
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def ungroup_tab(self, widget):
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"""Ungroup all the terminals in a tab"""
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# FIXME: Implement or drop
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pass
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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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# vim: set expandtab ts=4 sw=4:
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