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# Speak.activity
# A simple front end to the espeak text-to-speech engine on the XO laptop
# http://wiki.laptop.org/go/Speak
#
# Copyright (C) 2008 Joshua Minor
# This file is part of Speak.activity
#
# Parts of Speak.activity are based on code from Measure.activity
# Copyright (C) 2007 Arjun Sarwal - arjun@laptop.org
#
# Speak.activity 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 3 of the License, or
# (at your option) any later version.
#
# Speak.activity 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 Speak.activity. If not, see <http://www.gnu.org/licenses/>.
import logging
import gtk
import cjson
import sugar.graphics.style as style
import espeak
import eye
import glasses
import mouth
import voice
import fft_mouth
import waveform_mouth
logger = logging.getLogger('speak')
FACE_PAD = 2
class Status:
def __init__(self):
self.voice = voice.defaultVoice()
self.pitch = espeak.PITCH_MAX / 2
self.rate = espeak.RATE_MAX / 2
self.eyes = [eye.Eye] * 2
self.mouth = mouth.Mouth
def serialize(self):
eyes = { eye.Eye : 1,
glasses.Glasses : 2 }
mouths = { mouth.Mouth : 1,
fft_mouth.FFTMouth : 2,
waveform_mouth.WaveformMouth : 3 }
return cjson.encode({
'voice' : { 'language' : self.voice.language,
'name' : self.voice.name },
'pitch' : self.pitch,
'rate' : self.rate,
'eyes' : [eyes[i] for i in self.eyes],
'mouth' : mouths[self.mouth] })
def deserialize(self, buf):
eyes = { 1: eye.Eye,
2: glasses.Glasses }
mouths = { 1: mouth.Mouth,
2: fft_mouth.FFTMouth,
3: waveform_mouth.WaveformMouth }
data = cjson.decode(buf)
self.voice = voice.Voice(data['voice']['language'],
data['voice']['name'])
self.pitch = data['pitch']
self.rate = data['rate']
self.eyes = [eyes[i] for i in data['eyes']]
self.mouth = mouths[data['mouth']]
return self
def clone(self):
new = Status()
new.voice = self.voice
new.pitch = self.pitch
new.rate = self.rate
new.eyes = self.eyes
new.mouth = self.mouth
return new
class View(gtk.EventBox):
def __init__(self, fill_color=style.COLOR_BUTTON_GREY):
gtk.EventBox.__init__(self)
self.status = Status()
self.fill_color = fill_color
self.connect('size-allocate', self._size_allocate_cb)
self._audio = espeak.AudioGrab()
# make an empty box for some eyes
self._eyes = None
self._eyebox = gtk.HBox()
self._eyebox.show()
# make an empty box to put the mouth in
self._mouth = None
self._mouthbox = gtk.HBox()
self._mouthbox.show()
# layout the screen
box = gtk.VBox(homogeneous=False)
box.pack_start(self._eyebox)
box.pack_start(self._mouthbox, False)
box.set_border_width(FACE_PAD)
self.modify_bg(gtk.STATE_NORMAL, self.fill_color.get_gdk_color())
self.add(box)
self._peding = None
self.connect('map', self.__map_cb)
self.update()
def __map_cb(self, widget):
if self._peding:
self.update(self._peding)
self._peding = None
def look_ahead(self):
if self._eyes:
map(lambda e: e.look_ahead(), self._eyes)
def look_at(self, pos=None):
if self._eyes:
if pos is None:
display = gtk.gdk.display_get_default()
screen_, x, y, modifiers_ = display.get_pointer()
else:
x, y = pos
map(lambda e, x=x, y=y: e.look_at(x, y), self._eyes)
def update(self, status = None):
if not status:
status = self.status
else:
if not self.flags() & gtk.MAPPED:
self._peding = status
return
self.status = status
if self._eyes:
for eye in self._eyes:
self._eyebox.remove(eye)
if self._mouth:
self._mouthbox.remove(self._mouth)
self._eyes = []
for i in status.eyes:
eye = i(self.fill_color)
self._eyes.append(eye)
self._eyebox.pack_start(eye, padding=FACE_PAD)
eye.show()
self._mouth = status.mouth(self._audio, self.fill_color)
self._mouth.show()
self._mouthbox.add(self._mouth)
# enable mouse move events so we can track the eyes while the mouse is over the mouth
#self._mouth.add_events(gtk.gdk.POINTER_MOTION_MASK)
def set_voice(self, voice):
self.status.voice = voice
self.say_notification(voice.friendlyname)
def say(self, something):
self._audio.speak(self._peding or self.status, something)
def say_notification(self, something):
status = (self._peding or self.status).clone()
status.voice = voice.defaultVoice()
self._audio.speak(status, something)
def shut_up(self):
self._audio.stop_sound_device()
def _size_allocate_cb(self, widget, allocation):
self._mouthbox.set_size_request(-1, int(allocation.height/2.5))
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