/
speechtoolbar.py
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/
speechtoolbar.py
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# Copyright (C) 2006, Red Hat, Inc.
#
# 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
import os
import simplejson
from gettext import gettext as _
from gi.repository import Gtk
from gi.repository import GConf
from sugar3.graphics.toolbutton import ToolButton
from sugar3.graphics.toggletoolbutton import ToggleToolButton
from sugar3.graphics.combobox import ComboBox
from sugar3.graphics.toolcombobox import ToolComboBox
import speech
class SpeechToolbar(Gtk.Toolbar):
def __init__(self, activity):
Gtk.Toolbar.__init__(self)
self._activity = activity
if not speech.supported:
return
self._cnf_client = GConf.Client.get_default()
self.load_speech_parameters()
self.sorted_voices = [i for i in speech.voices()]
self.sorted_voices.sort(self.compare_voices)
default = 0
for voice in self.sorted_voices:
if voice[0] == speech.voice[0]:
break
default = default + 1
# Play button
self.play_btn = ToggleToolButton('media-playback-start')
self.play_btn.show()
self.play_btn.connect('toggled', self.play_cb)
self.insert(self.play_btn, -1)
self.play_btn.set_tooltip(_('Play / Pause'))
# Stop button
self.stop_btn = ToolButton('media-playback-stop')
self.stop_btn.show()
self.stop_btn.connect('clicked', self.stop_cb)
self.stop_btn.set_sensitive(False)
self.insert(self.stop_btn, -1)
self.stop_btn.set_tooltip(_('Stop'))
self.voice_combo = ComboBox()
for voice in self.sorted_voices:
self.voice_combo.append_item(voice, voice[0])
self.voice_combo.set_active(default)
self.voice_combo.connect('changed', self.voice_changed_cb)
combotool = ToolComboBox(self.voice_combo)
self.insert(combotool, -1)
combotool.show()
speech.reset_buttons_cb = self.reset_buttons_cb
def compare_voices(self, a, b):
if a[0].lower() == b[0].lower():
return 0
if a[0] .lower() < b[0].lower():
return -1
if a[0] .lower() > b[0].lower():
return 1
def voice_changed_cb(self, combo):
speech.voice = combo.props.value
speech.say(speech.voice[0])
self.save_speech_parameters()
def load_speech_parameters(self):
speech_parameters = {}
data_path = os.path.join(self._activity.get_activity_root(), 'data')
data_file_name = os.path.join(data_path, 'speech_params.json')
if os.path.exists(data_file_name):
f = open(data_file_name, 'r')
try:
speech_parameters = simplejson.load(f)
speech.voice = speech_parameters['voice']
finally:
f.close()
self._cnf_client.add_dir('/desktop/sugar/speech',
GConf.ClientPreloadType.PRELOAD_NONE)
speech.pitch = self._cnf_client.get_int('/desktop/sugar/speech/pitch')
speech.rate = self._cnf_client.get_int('/desktop/sugar/speech/rate')
self._cnf_client.notify_add('/desktop/sugar/speech/pitch', \
self.__conf_changed_cb, None)
self._cnf_client.notify_add('/desktop/sugar/speech/rate', \
self.__conf_changed_cb, None)
def __conf_changed_cb(self, client, connection_id, entry, args):
key = entry.get_key()
value = client.get_int(key)
if key == '/desktop/sugar/speech/pitch':
speech.pitch = value
if key == '/desktop/sugar/speech/rate':
speech.rate = value
def save_speech_parameters(self):
speech_parameters = {}
speech_parameters['voice'] = speech.voice
data_path = os.path.join(self._activity.get_activity_root(), 'data')
data_file_name = os.path.join(data_path, 'speech_params.json')
f = open(data_file_name, 'w')
try:
simplejson.dump(speech_parameters, f)
finally:
f.close()
def reset_buttons_cb(self):
logging.error('reset buttons')
self.play_btn.set_named_icon('media-playback-start')
self.stop_btn.set_sensitive(False)
def play_cb(self, widget):
self.stop_btn.set_sensitive(True)
if widget.get_active():
self.play_btn.set_named_icon('media-playback-pause')
if speech.is_stopped():
speech.play(self._activity._view.get_marked_words())
else:
self.play_btn.set_named_icon('media-playback-start')
speech.pause()
def stop_cb(self, widget):
self.stop_btn.set_sensitive(False)
self.play_btn.set_named_icon('media-playback-start')
self.play_btn.set_active(False)
speech.stop()