class ToggleItem(Item):
__gsignals__ = {
'toggled':
(gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_BOOLEAN, ))
}
def __init__(self, default_value=True, stock_id=None, important=False):
Item.__init__(self, stock_id, important)
self.default_value = default_value
self.active = default_value
def get_menu_item(self):
return None
def toggled_cb(self, widget):
active = widget.get_active()
self.toolitem.set_active(active)
self.active = active
self.emit('toggled', active)
def get_tool_item(self):
self.toolitem = ToggleToolButton()
self.toolitem.set_named_icon(
stock.icons[self._stock_id] if self._stock_id in
stock.icons else self._stock_id)
self.toolitem.set_active(self.default_value)
self.toolitem.connect('toggled', self.toggled_cb)
self.setup_tooltip()
return self.toolitem
class SpeechToolbar(gtk.Toolbar):
def __init__(self, activity):
gtk.Toolbar.__init__(self)
voicebar = gtk.Toolbar()
self._activity = activity
if not speech.supported:
return
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'))
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()
self.pitchadj = gtk.Adjustment(0, -100, 100, 1, 10, 0)
pitchbar = gtk.HScale(self.pitchadj)
pitchbar.set_draw_value(False)
pitchbar.set_update_policy(gtk.UPDATE_DISCONTINUOUS)
pitchbar.set_size_request(150, 15)
self.pitchadj.set_value(speech.pitch)
pitchtool = gtk.ToolItem()
pitchtool.add(pitchbar)
pitchtool.show()
self.insert(pitchtool, -1)
pitchbar.show()
self.rateadj = gtk.Adjustment(0, -100, 100, 1, 10, 0)
ratebar = gtk.HScale(self.rateadj)
ratebar.set_draw_value(False)
ratebar.set_update_policy(gtk.UPDATE_DISCONTINUOUS)
ratebar.set_size_request(150, 15)
self.rateadj.set_value(speech.rate)
ratetool = gtk.ToolItem()
ratetool.add(ratebar)
ratetool.show()
self.insert(ratetool, -1)
ratebar.show()
self.pitchadj.connect("value_changed", self.pitch_adjusted_cb)
self.rateadj.connect("value_changed", self.rate_adjusted_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 pitch_adjusted_cb(self, get):
speech.pitch = int(get.value)
speech.say(_("pitch adjusted"))
self.save_speech_parameters()
def rate_adjusted_cb(self, get):
speech.rate = int(get.value)
speech.say(_("rate adjusted"))
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.pitch = speech_parameters['pitch']
speech.rate = speech_parameters['rate']
speech.voice = speech_parameters['voice']
finally:
f.close()
def save_speech_parameters(self):
speech_parameters = {}
speech_parameters['pitch'] = speech.pitch
speech_parameters['rate'] = speech.rate
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 play_cb(self, widget):
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.stop()