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# Copyright 2007-2008 One Laptop Per Child
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
from sugar.activity import activity
class ViewSourceActivity(activity.Activity):
"""Activity subclass which handles the 'view source' key."""
def __init__(self, handle):
super(ViewSourceActivity, self).__init__(handle)
self.__source_object_id = None # XXX: persist this across invocations?
self.connect('key-press-event', self._key_press_cb)
def _key_press_cb(self, widget, event):
import gtk
if gtk.gdk.keyval_name(event.keyval) == 'XF86Start':
self.view_source()
return True
return False
def view_source(self):
"""Implement the 'view source' key by saving pippy_app.py to the
datastore, and then telling the Journal to view it."""
if self.__source_object_id is None:
from sugar import profile
from sugar.datastore import datastore
from sugar.activity.activity import get_bundle_name, get_bundle_path
from gettext import gettext as _
import os.path
jobject = datastore.create()
metadata = {
'title': _('%s Source') % get_bundle_name(),
'title_set_by_user': '1',
'suggested_filename': 'pippy_app.py',
'icon-color': profile.get_color().to_string(),
'mime_type': 'text/x-python',
}
for k,v in metadata.items():
jobject.metadata[k] = v # dict.update method is missing =(
jobject.file_path = os.path.join(get_bundle_path(), 'pippy_app.py')
datastore.write(jobject)
self.__source_object_id = jobject.object_id
jobject.destroy()
self.journal_show_object(self.__source_object_id)
def journal_show_object(self, object_id):
"""Invoke journal_show_object from sugar.activity.activity if it
exists."""
try:
from sugar.activity.activity import show_object_in_journal
show_object_in_journal(object_id)
except ImportError:
pass # no love from sugar.
class VteActivity(ViewSourceActivity):
def __init__(self, handle):
import gtk, pango, vte
super(VteActivity, self).__init__(handle)
toolbox = activity.ActivityToolbox(self)
self.set_toolbox(toolbox)
toolbox.show()
# creates vte widget
self._vte = vte.Terminal()
self._vte.set_size(30,5)
self._vte.set_size_request(200, 300)
font = 'Monospace 10'
self._vte.set_font(pango.FontDescription(font))
self._vte.set_colors(gtk.gdk.color_parse ('#000000'),
gtk.gdk.color_parse ('#E7E7E7'),
[])
# ...and its scrollbar
vtebox = gtk.HBox()
vtebox.pack_start(self._vte)
vtesb = gtk.VScrollbar(self._vte.get_adjustment())
vtesb.show()
vtebox.pack_start(vtesb, False, False, 0)
self.set_canvas(vtebox)
self.show_all()
# now start subprocess.
self._vte.grab_focus()
bundle_path = activity.get_bundle_path()
# the 'sleep 1' works around a bug with the command dying before
# the vte widget manages to snarf the last bits of its output
self._pid = self._vte.fork_command \
(command='/bin/sh',
argv=['/bin/sh','-c',
'python %s/pippy_app.py; sleep 1' % bundle_path],
envv=["PYTHONPATH=%s/library" % bundle_path],
directory=bundle_path)
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