def __init__(self, handle):

activity.Activity.__init__(self, handle)

# HACK to avoid Escape key disable fullscreen mode on Terminal Activity

# This is related with http://bugs.sugarlabs.org/ticket/440

self.disconnect_by_func(self._Window__key_press_cb)

self.connect('key-press-event', self.__key_press_cb)

self.max_participants = 1

self._theme_state = "light"

toolbar_box = ToolbarBox()

activity_button = ActivityToolbarButton(self)

toolbar_box.toolbar.insert(activity_button, 0)

activity_button.show()

edit_toolbar = self._create_edit_toolbar()

edit_toolbar_button = ToolbarButton(

page=edit_toolbar,

icon_name='toolbar-edit'

)

edit_toolbar.show()

toolbar_box.toolbar.insert(edit_toolbar_button, -1)

edit_toolbar_button.show()

view_toolbar = self._create_view_toolbar()

view_toolbar_button = ToolbarButton(

page=view_toolbar,

icon_name='toolbar-view')

view_toolbar.show()

toolbar_box.toolbar.insert(view_toolbar_button, -1)

view_toolbar_button.show()

self._delete_tab_toolbar = None

self._previous_tab_toolbar = None

self._next_tab_toolbar = None

helpbutton = self._create_help_button()

toolbar_box.toolbar.insert(helpbutton, -1)

helpbutton.show_all()

separator = Gtk.SeparatorToolItem()

separator.props.draw = False

separator.set_expand(True)

toolbar_box.toolbar.insert(separator, -1)

separator.show()

stop_button = StopButton(self)

stop_button.props.accelerator = '<Ctrl><Shift>Q'

toolbar_box.toolbar.insert(stop_button, -1)

stop_button.show()

self.set_toolbar_box(toolbar_box)

toolbar_box.show()

self._notebook = BrowserNotebook()

self._notebook.connect("tab-added", self.__open_tab_cb)

self._notebook.set_property("tab-pos", Gtk.PositionType.TOP)

self._notebook.set_scrollable(True)

self._notebook.show()

self.set_canvas(self._notebook)

self._create_tab(None)

def _create_edit_toolbar(self):

edit_toolbar = EditToolbar()

edit_toolbar.undo.props.visible = False

edit_toolbar.redo.props.visible = False

edit_toolbar.separator.props.visible = False

edit_toolbar.copy.connect('clicked', self.__copy_cb)

edit_toolbar.copy.props.accelerator = '<Ctrl><Shift>C'

edit_toolbar.paste.connect('clicked', self.__paste_cb)

edit_toolbar.paste.props.accelerator = '<Ctrl><Shift>V'

return edit_toolbar

def __copy_cb(self, button):

vt = self._notebook.get_nth_page(self._notebook.get_current_page()).vt

if vt.get_has_selection():

vt.copy_clipboard()

def __paste_cb(self, button):

vt = self._notebook.get_nth_page(self._notebook.get_current_page()).vt

vt.paste_clipboard()

def _toggled_theme(self, button):

if self._theme_state == "dark":

self._theme_state = "light"

elif self._theme_state == "light":

self._theme_state = "dark"

self._update_theme()

def _update_theme(self):

if self._theme_state == "light":

self._theme_toggler.set_icon_name('dark-theme')

self._theme_toggler.set_tooltip('Switch to Dark Theme')

elif self._theme_state == "dark":

self._theme_toggler.set_icon_name('light-theme')

self._theme_toggler.set_tooltip('Switch to Light Theme')

for i in range(self._notebook.get_n_pages()):

vt = self._notebook.get_nth_page(i).vt

self._configure_vt(vt)

def _create_view_toolbar(self): # Color changer and Zoom toolbar

view_toolbar = Gtk.Toolbar()

self._theme_toggler = ToolButton('dark-theme')

self._theme_toggler.set_tooltip('Switch to Dark Theme')

self._theme_toggler.connect('clicked', self._toggled_theme)

view_toolbar.insert(self._theme_toggler, -1)

self._theme_toggler.show()

sep = Gtk.SeparatorToolItem()

view_toolbar.insert(sep, -1)

sep.show()

zoom_out_button = ToolButton('zoom-out')

zoom_out_button.set_tooltip(_('Zoom out'))

zoom_out_button.props.accelerator = '<Ctrl>minus'

zoom_out_button.connect('clicked', self.__zoom_out_cb)

view_toolbar.insert(zoom_out_button, -1)

zoom_out_button.show()

zoom_in_button = ToolButton('zoom-in')

zoom_in_button.set_tooltip(_('Zoom in'))

zoom_in_button.props.accelerator = '<Ctrl>plus'

zoom_in_button.connect('clicked', self.__zoom_in_cb)

view_toolbar.insert(zoom_in_button, -1)

zoom_in_button.show()

fullscreen_button = ToolButton('view-fullscreen')

fullscreen_button.set_tooltip(_("Fullscreen"))

fullscreen_button.props.accelerator = '<Alt>Return'

fullscreen_button.connect('clicked', self.__fullscreen_cb)

view_toolbar.insert(fullscreen_button, -1)

fullscreen_button.show()

return view_toolbar

def _zoom(self, step):

current_page = self._notebook.get_current_page()

vt = self._notebook.get_nth_page(current_page).vt

font_desc = vt.get_font()

font_desc.set_size(font_desc.get_size() + step)

vt.set_font(font_desc)

def __zoom_out_cb(self, button):

self._zoom(ZOOM_STEP * -1)

def __zoom_in_cb(self, button):

self._zoom(ZOOM_STEP)

def __fullscreen_cb(self, button):

self.fullscreen()

def _create_help_button(self):

helpitem = HelpButton()

helpitem.add_section(_('Useful commands'))

helpitem.add_section(_('cd'))

helpitem.add_paragraph(_('Change directory'))

helpitem.add_paragraph(_('To use it, write: cd directory'))

helpitem.add_paragraph(

_('If you call it without parameters, will change\n'

'to the user directory'))

helpitem.add_section(_('ls'))

helpitem.add_paragraph(_('List the content of a directory.'))

helpitem.add_paragraph(_('To use it, write: ls directory'))

helpitem.add_paragraph(

_('If you call it without parameters, will list the\n'

'working directory'))

helpitem.add_section(_('cp'))

helpitem.add_paragraph(_('Copy a file to a specific location'))

helpitem.add_paragraph(_('Call it with the file and the new location'))

helpitem.add_paragraph(_('Use: cp file directory'))

helpitem.add_section(_('rm'))

helpitem.add_paragraph(_('Removes a file in any path'))

helpitem.add_paragraph(_('Use: rm file'))

helpitem.add_section(_('su'))

helpitem.add_paragraph(_('Login as superuser (root)'))

helpitem.add_paragraph(

_('The root user is the administrator of the\nsystem'))

helpitem.add_paragraph(

_('You must be careful, because you can modify\nsystem files'))

return helpitem

def __open_tab_cb(self, btn):

index = self._create_tab(None)

self._notebook.page = index

if self._notebook.get_n_pages() == 2:

self._notebook.get_tab_label(

self._notebook.get_nth_page(0)).show_close_button()

def __close_tab_cb(self, btn, child):

index = self._notebook.page_num(child)

self._close_tab(index)

if self._notebook.get_n_pages() == 1:

self._notebook.get_tab_label(

self._notebook.get_nth_page(0)).hide_close_button()

def __prev_tab_cb(self, btn):

if self._notebook.props.page == 0:

self._notebook.props.page = self._notebook.get_n_pages() - 1

else:

self._notebook.props.page = self._notebook.props.page - 1

vt = self._notebook.get_nth_page(self._notebook.get_current_page()).vt

vt.grab_focus()

def __next_tab_cb(self, btn):

if self._notebook.props.page == self._notebook.get_n_pages() - 1:

self._notebook.props.page = 0

else:

self._notebook.props.page = self._notebook.props.page + 1

vt = self._notebook.get_nth_page(self._notebook.get_current_page()).vt

vt.grab_focus()

def _close_tab(self, index):

self._notebook.remove_page(index)

if self._notebook.get_n_pages() == 0:

self.close()

def __tab_child_exited_cb(self, vt, status=None):

for i in range(self._notebook.get_n_pages()):

if self._notebook.get_nth_page(i).vt == vt:

self._close_tab(i)

return

def __tab_title_changed_cb(self, vt):

for i in range(self._notebook.get_n_pages()):

if self._notebook.get_nth_page(i).vt == vt:

label = self._notebook.get_nth_page(i).label

label.set_text(vt.get_window_title())

return

def __drag_data_received_cb(self, widget, context, x, y, selection,

target, time):

widget.feed_child(selection.get_text(), -1)

context.finish(True, False, time)

return True

def _create_tab(self, tab_state):

vt = Vte.Terminal()

vt.connect("child-exited", self.__tab_child_exited_cb)

vt.connect("window-title-changed", self.__tab_title_changed_cb)

# FIXME have to resend motion events to parent, see #1402

vt.connect('motion-notify-event', self.__motion_notify_cb)

vt.drag_dest_set(Gtk.DestDefaults.MOTION | Gtk.DestDefaults.DROP,

[Gtk.TargetEntry.new('text/plain', 0, 0),

Gtk.TargetEntry.new('STRING', 0, 1)],

Gdk.DragAction.DEFAULT | Gdk.DragAction.COPY)

vt.drag_dest_add_text_targets()

vt.connect('drag_data_received', self.__drag_data_received_cb)

self._configure_vt(vt)

vt.show()

scrollbar = Gtk.VScrollbar.new(vt.get_vadjustment())

box = Gtk.HBox()

box.pack_start(vt, True, True, 0)

box.pack_start(scrollbar, False, True, 0)

box.vt = vt

box.show()

tablabel = TabLabel(box)

tablabel.connect('tab-close', self.__close_tab_cb)

tablabel.update_size(200)

box.label = tablabel

index = self._notebook.append_page(box, tablabel)

tablabel.show_all()

# Uncomment this to only show the tab bar when there is at least

# one tab. I think it's useful to always see it, since it displays

# the 'window title'.

# self._notebook.props.show_tabs = self._notebook.get_n_pages() > 1

tablabel.hide_close_button() if self._notebook.get_n_pages() == 1\

else None

self._notebook.show_all()

# Launch the default shell in the HOME directory.

os.chdir(os.environ["HOME"])

if tab_state:

# Restore the environment.

# This is currently not enabled.

environment = tab_state['env']

filtered_env = []

for e in environment:

var, sep, value = e.partition('=')

if var not in MASKED_ENVIRONMENT:

filtered_env.append(var + sep + value)

# TODO: Make the shell restore these environment variables,

# then clear out TERMINAL_ENV.

# os.environ['TERMINAL_ENV'] = '\n'.join(filtered_env)

# Restore the working directory.

if 'cwd' in tab_state and os.path.exists(tab_state['cwd']):

try:

os.chdir(tab_state['cwd'])

except:

# ACLs may deny access

sys.stdout.write("Could not chdir to " + tab_state['cwd'])

if 'font_size' in tab_state:

font_desc = vt.get_font()

font_desc.set_size(tab_state['font_size'])

vt.set_font(font_desc)

# Restore the scrollback buffer.

for l in tab_state['scrollback']:

vt.feed(str(l) + '\r\n')

shell_cmd = os.environ.get('SHELL') or '/bin/bash'

if hasattr(vt, 'fork_command_full'):

sucess_, box.pid = vt.fork_command_full(

Vte.PtyFlags.DEFAULT, os.environ["HOME"],

[shell_cmd], [], GLib.SpawnFlags. DO_NOT_REAP_CHILD,

None, None)

else:

sucess_, box.pid = vt.spawn_sync(

Vte.PtyFlags.DEFAULT, os.environ["HOME"],

[shell_cmd], [], GLib.SpawnFlags. DO_NOT_REAP_CHILD,

None, None)

self._notebook.props.page = index

vt.grab_focus()

return index

def __motion_notify_cb(self, widget, event):

self.emit('motion-notify-event', Gdk.Event(event))

def __key_press_cb(self, window, event):

"""Route some keypresses directly to the vte and then drop them.

This prevents Sugar from hijacking events that are useful in

the vte.

"""

def event_to_vt(event):

current_page = self._notebook.get_current_page()

vt = self._notebook.get_nth_page(current_page).vt

vt.event(event)

key_name = Gdk.keyval_name(event.keyval)

# Escape is used in Sugar to cancel fullscreen mode.

if key_name == 'Escape':

event_to_vt(event)

return True

elif event.get_state() & Gdk.ModifierType.CONTROL_MASK:

if key_name in ['z', 'q']:

event_to_vt(event)

return True

elif key_name == 'Tab':

current_index = self._notebook.get_current_page()

if current_index == self._notebook.get_n_pages() - 1:

self._notebook.set_current_page(0)

else:

self._notebook.set_current_page(current_index + 1)

return True

elif event.get_state() & Gdk.ModifierType.SHIFT_MASK:

if key_name == 'ISO_Left_Tab':

current_index = self._notebook.get_current_page()

if current_index == 0:

self._notebook.set_current_page(

self._notebook.get_n_pages() - 1)

else:

self._notebook.set_current_page(current_index - 1)

return True

elif key_name == 'T':

self._create_tab(None)

return True

return False

def read_file(self, file_path):

if self.metadata['mime_type'] != 'text/plain':

return

fd = open(file_path, 'r')

text = fd.read()

data = json.loads(text)

fd.close()

# Clean out any existing tabs.

while self._notebook.get_n_pages():

self._notebook.remove_page(0)

# Restore theme

self._theme_state = data['theme']

self._update_theme()

# Create new tabs from saved state.

for tab_state in data['tabs']:

self._create_tab(tab_state)

# Restore active tab.

self._notebook.props.page = data['current-tab']

# Create a blank one if this state had no terminals.

if self._notebook.get_n_pages() == 0:

self._create_tab(None)

def write_file(self, file_path):

if not self.metadata['mime_type']:

self.metadata['mime_type'] = 'text/plain'

data = {}

data['current-tab'] = self._notebook.get_current_page()

data['theme'] = self._theme_state

data['tabs'] = []

for i in range(self._notebook.get_n_pages()):

def is_selected(vte, *args):

return True

page = self._notebook.get_nth_page(i)

text = ''

if VTE_VERSION >= 38:

# in older versions of vte, get_text() makes crash

# the activity at random - SL #4627

try:

# get_text is only available in latest vte #676999

# and pygobject/gobject-introspection #690041

text, attr_ = page.vt.get_text(is_selected, None)

except AttributeError:

pass

scrollback_lines = text.split('\n')

environ_file = '/proc/%d/environ' % page.pid

if os.path.isfile(environ_file):

# Note- this currently gets the child's initial environment

# rather than the current environment, making it not very useful.

environment = open(environ_file, 'r').read().split('\0')

cwd = os.readlink('/proc/%d/cwd' % page.pid)

else:

# terminal killed by the user

environment = []

cwd = '~'

font_desc = page.vt.get_font()

tab_state = {'env': environment, 'cwd': cwd,

'font_size': font_desc.get_size(),

'scrollback': scrollback_lines}

data['tabs'].append(tab_state)

fd = open(file_path, 'w')

text = json.dumps(data)

fd.write(text)

fd.close()

def _get_conf(self, conf, var, default):

if conf.has_option('terminal', var):

if isinstance(default, bool):

return conf.getboolean('terminal', var)

elif isinstance(default, int):

return conf.getint('terminal', var)

else:

return conf.get('terminal', var)

else:

conf.set('terminal', var, default)

return default

def _configure_vt(self, vt):

conf = ConfigParser.ConfigParser()

conf_file = os.path.join(env.get_profile_path(), 'terminalrc')

if os.path.isfile(conf_file):

f = open(conf_file, 'r')

conf.readfp(f)

f.close()

else:

conf.add_section('terminal')

font = self._get_conf(conf, 'font', 'Monospace')

vt.set_font(Pango.FontDescription(font))

self._theme_colors = {"light": {'fg_color': '#000000',

'bg_color': '#FFFFFF'},

"dark": {'fg_color': '#FFFFFF',

'bg_color': '#000000'}}

fg_color = self._theme_colors[self._theme_state]['fg_color']

bg_color = self._theme_colors[self._theme_state]['bg_color']

try:

vt.set_colors(Gdk.color_parse(fg_color),

Gdk.color_parse(bg_color), [])

except TypeError:

# Vte 0.38 requires the colors set as a different type

# in Fedora 21 we get a exception

# TypeError: argument foreground: Expected Gdk.RGBA,

# but got gi.overrides.Gdk.Color

vt.set_colors(Gdk.RGBA(*Gdk.color_parse(fg_color).to_floats()),

Gdk.RGBA(*Gdk.color_parse(bg_color).to_floats()), [])

blink = self._get_conf(conf, 'cursor_blink', False)

vt.set_cursor_blink_mode(blink)

bell = self._get_conf(conf, 'bell', False)

vt.set_audible_bell(bell)

scrollback_lines = self._get_conf(conf, 'scrollback_lines', 1000)

vt.set_scrollback_lines(scrollback_lines)

vt.set_allow_bold(True)

scroll_key = self._get_conf(conf, 'scroll_on_keystroke', True)

vt.set_scroll_on_keystroke(scroll_key)

scroll_output = self._get_conf(conf, 'scroll_on_output', False)

vt.set_scroll_on_output(scroll_output)

if hasattr(vt, 'set_emulation'):

# set_emulation is not available after vte commit

# 4e253be9282829f594c8a55ca08d1299e80e471d

emulation = self._get_conf(conf, 'emulation', 'xterm')

vt.set_emulation(emulation)

if hasattr(vt, 'set_visible_bell'):

visible_bell = self._get_conf(conf, 'visible_bell', False)

vt.set_visible_bell(visible_bell)