terminator/terminatorlib/terminal.py

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#!/usr/bin/python
# Terminator by Chris Jones <cmsj@tenshu.net>
# GPL v2 only
"""terminal.py - classes necessary to provide Terminal widgets"""
import sys
import os
import pygtk
pygtk.require('2.0')
import gtk
import gobject
import subprocess
import re
from version import APP_NAME
from util import dbg, err, gerr
import util
from config import Config
from cwd import get_default_cwd
from newterminator import Terminator
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from titlebar import Titlebar
from terminal_popup_menu import TerminalPopupMenu
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from searchbar import Searchbar
from translation import _
try:
import vte
except ImportError:
gerr('You need to install python bindings for libvte')
sys.exit(1)
# pylint: disable-msg=R0904
class Terminal(gtk.VBox):
"""Class implementing the VTE widget and its wrappings"""
__gsignals__ = {
'close-term': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
'title-change': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE,
(gobject.TYPE_STRING,)),
'enumerate': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE,
(gobject.TYPE_INT,)),
'group-tab': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
'ungroup-tab': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
'ungroup-all': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
'split-horiz': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
'split-vert': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
'tab-new': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
'tab-top-new': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
'focus-in': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
}
TARGET_TYPE_VTE = 8
terminator = None
vte = None
terminalbox = None
scrollbar = None
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titlebar = None
searchbar = None
group = None
cwd = None
command = None
clipboard = None
pid = None
matches = None
config = None
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default_encoding = None
composite_support = None
def __init__(self):
"""Class initialiser"""
gtk.VBox.__init__(self)
self.__gobject_init__()
self.terminator = Terminator()
self.connect('enumerate', self.terminator.do_enumerate)
self.connect('group-tab', self.terminator.group_tab)
self.connect('ungroup-tab', self.terminator.ungroup_tab)
self.connect('focus-in', self.terminator.focus_changed)
self.matches = {}
self.config = Config()
self.cwd = get_default_cwd()
self.clipboard = gtk.clipboard_get(gtk.gdk.SELECTION_CLIPBOARD)
self.vte = vte.Terminal()
self.vte.set_size(80, 24)
self.vte._expose_data = None
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if not hasattr(self.vte, "set_opacity") or \
not hasattr(self.vte, "is_composited"):
self.composite_support = False
self.vte.show()
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self.default_encoding = self.vte.get_encoding()
self.update_url_matches(self.config['try_posix_regexp'])
self.terminalbox = self.create_terminalbox()
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self.titlebar = Titlebar()
self.titlebar.connect_icon(self.on_group_button_press)
self.titlebar.connect('edit-done', self.on_edit_done)
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self.connect('title-change', self.titlebar.set_terminal_title)
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self.searchbar = Searchbar()
self.show()
self.pack_start(self.titlebar, False)
self.pack_start(self.terminalbox)
self.pack_end(self.searchbar)
self.connect_signals()
os.putenv('COLORTERM', 'gnome-terminal')
env_proxy = os.getenv('http_proxy')
if not env_proxy:
if self.config['http_proxy'] and self.config['http_proxy'] != '':
os.putenv('http_proxy', self.config['http_proxy'])
def create_terminalbox(self):
"""Create a GtkHBox containing the terminal and a scrollbar"""
terminalbox = gtk.HBox()
self.scrollbar = gtk.VScrollbar(self.vte.get_adjustment())
position = self.config['scrollbar_position']
if position not in ('hidden', 'disabled'):
self.scrollbar.show()
if position == 'left':
func = terminalbox.pack_end
else:
func = terminalbox.pack_start
func(self.vte)
func(self.scrollbar, False)
terminalbox.show()
return(terminalbox)
def update_url_matches(self, posix = True):
"""Update the regexps used to match URLs"""
userchars = "-A-Za-z0-9"
passchars = "-A-Za-z0-9,?;.:/!%$^*&~\"#'"
hostchars = "-A-Za-z0-9"
pathchars = "-A-Za-z0-9_$.+!*(),;:@&=?/~#%'\""
schemes = "(news:|telnet:|nntp:|file:/|https?:|ftps?:|webcal:)"
user = "[" + userchars + "]+(:[" + passchars + "]+)?"
urlpath = "/[" + pathchars + "]*[^]'.}>) \t\r\n,\\\"]"
if posix:
dbg ('update_url_matches: Trying POSIX URL regexps')
lboundry = "[[:<:]]"
rboundry = "[[:>:]]"
else: # GNU
dbg ('update_url_matches: Trying GNU URL regexps')
lboundry = "\\<"
rboundry = "\\>"
self.matches['full_uri'] = self.vte.match_add(lboundry + schemes +
"//(" + user + "@)?[" + hostchars +".]+(:[0-9]+)?(" +
urlpath + ")?" + rboundry + "/?")
if self.matches['full_uri'] == -1:
if posix:
err ('update_url_matches: POSIX match failed, trying GNU')
self.update_url_matches(posix = False)
else:
err ('update_url_matches: Failed adding URL match patterns')
else:
self.matches['voip'] = self.vte.match_add(lboundry +
'(callto:|h323:|sip:)' + "[" + userchars + "+][" +
userchars + ".]*(:[0-9]+)?@?[" + pathchars + "]+" +
rboundry)
self.matches['addr_only'] = self.vte.match_add (lboundry +
"(www|ftp)[" + hostchars + "]*\.[" + hostchars +
".]+(:[0-9]+)?(" + urlpath + ")?" + rboundry + "/?")
self.matches['email'] = self.vte.match_add (lboundry +
"(mailto:)?[a-zA-Z0-9][a-zA-Z0-9.+-]*@[a-zA-Z0-9]\
[a-zA-Z0-9-]*\.[a-zA-Z0-9][a-zA-Z0-9-]+\
[.a-zA-Z0-9-]*" + rboundry)
self.matches['nntp'] = self.vte.match_add (lboundry +
'''news:[-A-Z\^_a-z{|}~!"#$%&'()*+,./0-9;:=?`]+@\
[-A-Za-z0-9.]+(:[0-9]+)?''' + rboundry)
# if the url looks like a Launchpad changelog closure entry
# LP: #92953 - make it a url to http://bugs.launchpad.net
self.matches['launchpad'] = self.vte.match_add (
'\\bLP:? #?[0-9]+\\b')
def connect_signals(self):
"""Connect all the gtk signals and drag-n-drop mechanics"""
self.vte.connect('key-press-event', self.on_keypress)
self.vte.connect('button-press-event', self.on_buttonpress)
self.vte.connect('popup-menu', self.popup_menu)
srcvtetargets = [("vte", gtk.TARGET_SAME_APP, self.TARGET_TYPE_VTE)]
dsttargets = [("vte", gtk.TARGET_SAME_APP, self.TARGET_TYPE_VTE),
('text/plain', 0, 0), ('STRING', 0, 0), ('COMPOUND_TEXT', 0, 0)]
for (widget, mask) in [
(self.vte, gtk.gdk.CONTROL_MASK | gtk.gdk.BUTTON3_MASK),
(self.titlebar, gtk.gdk.CONTROL_MASK)]:
widget.drag_source_set(mask, srcvtetargets, gtk.gdk.ACTION_MOVE)
self.vte.drag_dest_set(gtk.DEST_DEFAULT_MOTION |
gtk.DEST_DEFAULT_HIGHLIGHT | gtk.DEST_DEFAULT_DROP,
dsttargets, gtk.gdk.ACTION_MOVE)
for widget in [self.vte, self.titlebar]:
widget.connect('drag-begin', self.on_drag_begin, self)
widget.connect('drag-data-get', self.on_drag_data_get,
self)
self.vte.connect('drag-motion', self.on_drag_motion, self)
self.vte.connect('drag-data-received',
self.on_drag_data_received, self)
if self.config['copy_on_selection']:
self.vte.connect('selection-changed', lambda widget:
self.vte.copy_clipboard())
if self.composite_support:
self.vte.connect('composited-changed',
self.on_composited_changed)
self.vte.connect('window-title-changed', lambda x:
self.emit('title-change', self.get_window_title()))
self.vte.connect('grab-focus', self.on_vte_focus)
self.vte.connect('focus-in-event', self.on_vte_focus_in)
self.vte.connect('resize-window', self.on_resize_window)
self.vte.connect('size-allocate', self.on_vte_size_allocate)
if self.config['exit_action'] == 'restart':
self.vte.connect('child-exited', self.spawn_child)
elif self.config['exit_action'] in ('close', 'left'):
self.vte.connect('child-exited', lambda x: self.emit('close-term'))
self.vte.add_events(gtk.gdk.ENTER_NOTIFY_MASK)
self.vte.connect('enter_notify_event',
self.on_vte_notify_enter)
self.vte.connect_after('realize', self.reconfigure)
self.vte.connect_after('realize', self.spawn_child)
def create_popup_group_menu(self, widget, event = None):
"""Pop up a menu for the group widget"""
if event:
button = event.button
time = event.time
else:
button = 0
time = 0
menu = self.populate_group_menu()
menu.show_all()
menu.popup(None, None, self.position_popup_group_menu, button, time,
widget)
return(True)
def populate_group_menu(self):
"""Fill out a group menu"""
menu = gtk.Menu()
groupitem = None
item = gtk.MenuItem(_('Assign to group...'))
item.connect('activate', self.create_group)
menu.append(item)
if len(self.terminator.groups) > 0:
groupitem = gtk.RadioMenuItem(groupitem, _('None'))
groupitem.set_active(self.group == None)
groupitem.connect('activate', self.set_group, None)
menu.append(groupitem)
for group in self.terminator.groups:
item = gtk.RadioMenuItem(groupitem, group, False)
item.set_active(self.group == group)
item.connect('toggled', self.set_group, group)
menu.append(item)
groupitem = item
if self.group != None or len(self.terminator.groups) > 0:
menu.append(gtk.MenuItem())
if self.group != None:
item = gtk.MenuItem(_('Remove group %s') % self.group)
item.connect('activate', self.ungroup, self.group)
menu.append(item)
if util.has_ancestor(self, gtk.Notebook):
item = gtk.MenuItem(_('G_roup all in tab'))
item.connect('activate', lambda x: self.emit('group_tab'))
menu.append(item)
if len(self.terminator.groups) > 0:
item = gtk.MenuItem(_('Ungr_oup all in tab'))
item.connect('activate', lambda x: self.emit('ungroup_tab'))
menu.append(item)
if len(self.terminator.groups) > 0:
item = gtk.MenuItem(_('Remove all groups'))
item.connect('activate', lambda x: self.emit('ungroup-all'))
menu.append(item)
if self.group != None:
menu.append(gtk.MenuItem())
item = gtk.MenuItem(_('Close group %s') % self.group)
item.connect('activate', lambda x:
self.terminator.closegroupedterms(self))
menu.append(item)
menu.append(gtk.MenuItem())
groupitem = None
for key, value in {_('Broadcast off'):'off',
_('Broadcast group'):'group',
_('Broadcast all'):'all'}.items():
groupitem = gtk.RadioMenuItem(groupitem, key)
groupitem.set_active(self.terminator.groupsend ==
self.terminator.groupsend_type[value])
groupitem.connect('activate', self.set_groupsend,
self.terminator.groupsend_type[value])
menu.append(groupitem)
menu.append(gtk.MenuItem())
item = gtk.CheckMenuItem(_('Split to this group'))
item.set_active(self.terminator.splittogroup)
item.connect('toggled', lambda x: self.do_splittogroup_toggle())
menu.append(item)
item = gtk.CheckMenuItem(_('Autoclean groups'))
item.set_active(self.terminator.autocleangroups)
item.connect('toggled', lambda x: self.do_autocleangroups_toggle())
menu.append(item)
menu.append(gtk.MenuItem())
item = gtk.MenuItem(_('Insert terminal number'))
item.connect('activate', lambda x: self.emit('enumerate', False))
menu.append(item)
item = gtk.MenuItem(_('Insert padded terminal number'))
item.connect('activate', lambda x: self.emit('enumerate', True))
menu.append(item)
return(menu)
def position_popup_group_menu(self, menu, widget):
"""Calculate the position of the group popup menu"""
screen_w = gtk.gdk.screen_width()
screen_h = gtk.gdk.screen_height()
widget_win = widget.get_window()
widget_x, widget_y = widget_win.get_origin()
widget_w, widget_h = widget_win.get_size()
menu_w, menu_h = menu.size_request()
if widget_y + widget_h + menu_h > screen_h:
menu_y = max(widget_y - menu_h, 0)
else:
menu_y = widget_y + widget_h
return(widget_x, menu_y, 1)
def create_group(self, item):
"""Create a new group"""
pass
def set_groupsend(self, widget, value):
"""Set the groupsend mode"""
# FIXME: Can we think of a smarter way of doing this than poking?
self.terminator.groupsend = value
def do_splittogroup_toggle(self):
"""Toggle the splittogroup mode"""
# FIXME: Can we think of a smarter way of doing this than poking?
self.terminator.splittogroup = not self.terminator.splittogroup
def do_autocleangroups_toggle(self):
"""Toggle the autocleangroups mode"""
# FIXME: Can we think of a smarter way of doing this than poking?
self.terminator.autocleangroups = not self.terminator.autocleangroups
def reconfigure(self, widget=None):
"""Reconfigure our settings"""
pass
def get_window_title(self):
"""Return the window title"""
return(self.vte.get_window_title() or str(self.command))
def on_group_button_press(self, widget, event):
"""Handler for the group button"""
if event.button == 1:
self.create_popup_group_menu(widget, event)
return(False)
def on_keypress(self, widget, event):
"""Handler for keyboard events"""
pass
def on_buttonpress(self, widget, event):
"""Handler for mouse events"""
# Any button event should grab focus
widget.grab_focus()
if event.button == 1:
# Ctrl+leftclick on a URL should open it
if event.state & gtk.gdk.CONTROL_MASK == gtk.gdk.CONTROL_MASK:
url = self.check_for_url(event)
if url:
self.open_url(url, prepare=True)
elif event.button == 2:
# middleclick should paste the clipboard
self.paste_clipboard(True)
return(True)
elif event.button == 3:
# rightclick should display a context menu if Ctrl is not pressed
if event.state & gtk.gdk.CONTROL_MASK == 0:
self.popup_menu(widget, event)
return(True)
return(False)
def popup_menu(self, widget, event=None):
"""Display the context menu"""
menu = TerminalPopupMenu(self)
menu.show(widget, event)
def do_scrollbar_toggle(self):
self.toggle_widget_visibility(self.scrollbar)
def do_title_toggle(self):
self.toggle_widget_visibility(self.titlebar)
def toggle_widget_visibility(self, widget):
if widget.get_property('visible'):
widget.hide()
else:
widget.show()
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def on_encoding_change(self, widget, encoding):
"""Handle the encoding changing"""
current = self.vte.get_encoding()
if current != encoding:
dbg('on_encoding_change: setting encoding to: %s' % encoding)
self.custom_encoding = not (encoding == self.config['encoding'])
self.vte.set_encoding(encoding)
def on_drag_begin(self, widget, drag_context, data):
pass
def on_drag_data_get(self, widget, drag_context, selection_data, info, time,
data):
pass
def on_drag_motion(self, widget, drag_context, x, y, time, data):
pass
def on_drag_data_received(self, widget, drag_context, x, y, selection_data,
info, time, data):
pass
def on_vte_focus(self, widget):
pass
def on_vte_focus_out(self, widget, event):
pass
def on_vte_focus_in(self, widget, event):
self.emit('focus-in')
pass
def on_edit_done(self, widget):
"""A child widget is done editing a label, return focus to VTE"""
self.vte.grab_focus()
def on_resize_window(self):
pass
def on_vte_size_allocate(self, widget, allocation):
self.titlebar.update_terminal_size(self.vte.get_column_count(),
self.vte.get_row_count())
pass
def on_vte_notify_enter(self, term, event):
pass
def hide_titlebar(self):
self.titlebar.hide()
def show_titlebar(self):
self.titlebar.show()
def is_zoomed(self):
"""Determine if we are a zoomed terminal"""
widget = self.get_parent()
while True:
tmp = widget.get_parent()
if not tmp:
break
else:
widget = tmp
try:
prop = widget.get_property('term-zoomed')
except TypeError:
prop = False
return(prop)
def zoom(self):
"""Zoom ourself to fill the window"""
pass
def maximise(self):
"""Maximise ourself to fill the window"""
pass
def spawn_child(self, widget=None):
update_records = self.config['update_records']
login = self.config['login_shell']
args = []
shell = None
command = None
if self.config['use_custom_command']:
command = self.config['custom_command']
shell = util.shell_lookup()
if self.config['login_shell']:
args.insert(0, "-%s" % shell)
else:
args.insert(0, shell)
if command is not None:
args += ['-c', command]
if shell is None:
self.vte.feed(_('Unable to find a shell'))
return(-1)
os.putenv('WINDOWID', '%s' % self.vte.get_parent_window().xid)
self.pid = self.vte.fork_command(command=shell, argv=args, envv=[],
loglastlog=login, logwtmp=update_records,
logutmp=update_records, directory=self.cwd)
self.command = shell
self.titlebar.update()
if self.pid == -1:
self.vte.feed(_('Unable to start shell:') + shell)
return(-1)
def check_for_url(self, event):
"""Check if the mouse is over a URL"""
return (self.vte.match_check(int(event.x / self.vte.get_char_width()),
int(event.y / self.vte.get_char_height())))
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def prepare_url(self, urlmatch):
"""Prepare a URL from a VTE match"""
url = urlmatch[0]
match = urlmatch[1]
if match == self.matches['email'] and url[0:7] != 'mailto:':
url = 'mailto:' + url
elif match == self.matches['addr_only'] and url[0:3] == 'ftp':
url = 'ftp://' + url
elif match == self.matches['addr_only']:
url = 'http://' + url
elif match == self.matches['launchpad']:
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for item in re.findall(r'[0-9]+', url):
url = 'https://bugs.launchpad.net/bugs/%s' % item
return(url)
else:
return(url)
def open_url(self, url, prepare=False):
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"""Open a given URL, conditionally unpacking it from a VTE match"""
if prepare == True:
url = self.prepare_url(url)
dbg('open_url: URL: %s (prepared: %s)' % (url, prepare))
try:
subprocess.Popen(['xdg-open', url])
except OSError:
dbg('open_url: xdg-open failed')
try:
self.terminator.url_show(url)
except:
dbg('open_url: url_show failed. Giving up')
def paste_clipboard(self, primary=False):
"""Paste one of the two clipboards"""
for term in self.terminator.get_target_terms():
if primary:
term.vte.paste_primary()
else:
term.vte.paste_clipboard()
self.vte.grab_focus()
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def feed(self, text):
"""Feed the supplied text to VTE"""
self.vte.feed_child(text)
gobject.type_register(Terminal)
# vim: set expandtab ts=4 sw=4: