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wordsactivity.py
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wordsactivity.py
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# Copyright 2008 Chris Ball.
#
# 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
"""Words Activity: A multi-lingual dictionary with speech synthesis."""
"""Actividad Palabras: Un diccionario multi-lengua con sintesis de habla"""
import gi
gi.require_version('Gdk', '3.0')
gi.require_version('Gtk', '3.0')
gi.require_version('WebKit', '3.0')
gi.require_version('Gst', '1.0')
from gi.repository import GObject
GObject.threads_init()
from gi.repository import Gdk
from gi.repository import Gtk
from gi.repository import Pango
from gi.repository import WebKit
import logging
import os
import re
import json
from gettext import gettext as _
from sugar3.activity import activity
from sugar3.graphics.icon import Icon
from sugar3.graphics import iconentry
from sugar3.graphics.toolbarbox import ToolbarBox
from sugar3.activity.widgets import ActivityToolbarButton
from sugar3.activity.widgets import StopButton
from sugar3.graphics import style
from sugar3.graphics.palettemenu import PaletteMenuItem
from sugar3.graphics.palette import Palette
from sugar3.graphics.palette import ToolInvoker
from sugar3.graphics.alert import ErrorAlert
import dictdmodel
from roundbox import RoundBox
from speech import get_speech_manager
EMPTY_HTML = '<body bgcolor="#E5E5E5"></body>'
_AUTOSEARCH_TIMEOUT = 1000
class FilterToolItem(Gtk.ToolButton):
_LABEL_MAX_WIDTH = 18
_MAXIMUM_PALETTE_COLUMNS = 4
__gsignals__ = {
'changed': (GObject.SignalFlags.RUN_LAST, None, ([str])), }
def __init__(self, default_icon, default_value, options):
self._palette_invoker = ToolInvoker()
self._options = options
Gtk.ToolButton.__init__(self)
logging.debug('filter options %s', options)
self._value = default_value
self._label = self._options[default_value]
self.set_is_important(True)
self.set_size_request(style.GRID_CELL_SIZE, -1)
self._label_widget = Gtk.Label()
self._label_widget.set_alignment(0.0, 0.5)
self._label_widget.set_ellipsize(Pango.EllipsizeMode.MIDDLE)
self._label_widget.set_max_width_chars(self._LABEL_MAX_WIDTH)
self._label_widget.set_use_markup(True)
self._label_widget.set_markup(self._label)
self.set_label_widget(self._label_widget)
self._label_widget.show()
self.set_widget_icon(icon_name=default_icon)
self._hide_tooltip_on_click = True
self._palette_invoker.attach_tool(self)
self._palette_invoker.props.toggle_palette = True
self._palette_invoker.props.lock_palette = True
self.palette = Palette(_('Select language'))
self.palette.set_invoker(self._palette_invoker)
self.props.palette.set_content(self.set_palette_list(options))
def set_options(self, options):
self._options = options
self.palette = Palette(_('Select language'))
self.palette.set_invoker(self._palette_invoker)
self.props.palette.set_content(self.set_palette_list(options))
if self._value not in self._options.keys():
new_value = self._options.keys()[0]
self._value = new_value
self._set_widget_label(self._options[new_value])
self.emit('changed', new_value)
def set_widget_icon(self, icon_name=None):
icon = Icon(icon_name=icon_name,
pixel_size=style.SMALL_ICON_SIZE)
self.set_icon_widget(icon)
icon.show()
def _set_widget_label(self, label=None):
# FIXME: Ellipsis is not working on these labels.
if label is None:
label = self._label
if len(label) > self._LABEL_MAX_WIDTH:
label = label[0:7] + '...' + label[-7:]
self._label_widget.set_markup(label)
self._label = label
def __destroy_cb(self, icon):
if self._palette_invoker is not None:
self._palette_invoker.detach()
def create_palette(self):
return None
def get_palette(self):
return self._palette_invoker.palette
def set_palette(self, palette):
self._palette_invoker.palette = palette
palette = GObject.property(
type=object, setter=set_palette, getter=get_palette)
def get_palette_invoker(self):
return self._palette_invoker
def set_palette_invoker(self, palette_invoker):
self._palette_invoker.detach()
self._palette_invoker = palette_invoker
palette_invoker = GObject.property(
type=object, setter=set_palette_invoker, getter=get_palette_invoker)
def do_draw(self, cr):
if self.palette and self.palette.is_up():
allocation = self.get_allocation()
# draw a black background, has been done by the engine before
cr.set_source_rgb(0, 0, 0)
cr.rectangle(0, 0, allocation.width, allocation.height)
cr.paint()
Gtk.ToolButton.do_draw(self, cr)
if self.palette and self.palette.is_up():
invoker = self.palette.props.invoker
invoker.draw_rectangle(cr, self.palette)
return False
def set_palette_list(self, options):
_menu_item = PaletteMenuItem(text_label=options[options.keys()[0]])
req2 = _menu_item.get_preferred_size()[1]
menuitem_width = req2.width
menuitem_height = req2.height
palette_width = Gdk.Screen.width() - style.GRID_CELL_SIZE
palette_height = Gdk.Screen.height() - style.GRID_CELL_SIZE * 3
nx = min(self._MAXIMUM_PALETTE_COLUMNS,
int(palette_width / menuitem_width))
ny = min(int(palette_height / menuitem_height), len(options) + 1)
if ny >= len(options):
nx = 1
ny = len(options)
grid = Gtk.Grid()
grid.set_row_spacing(style.DEFAULT_PADDING)
grid.set_column_spacing(0)
grid.set_border_width(0)
grid.show()
x = 0
y = 0
for key in options.keys():
menu_item = PaletteMenuItem()
menu_item.set_label(options[key])
menu_item.set_size_request(style.GRID_CELL_SIZE * 3, -1)
menu_item.connect('button-release-event', self._option_selected,
key)
grid.attach(menu_item, x, y, 1, 1)
x += 1
if x == nx:
x = 0
y += 1
menu_item.show()
if palette_height < (y * menuitem_height + style.GRID_CELL_SIZE):
# if the grid is bigger than the palette, put in a scrolledwindow
scrolled_window = Gtk.ScrolledWindow()
scrolled_window.set_policy(Gtk.PolicyType.NEVER,
Gtk.PolicyType.AUTOMATIC)
scrolled_window.set_size_request(nx * menuitem_width,
(ny + 1) * menuitem_height)
scrolled_window.add_with_viewport(grid)
return scrolled_window
else:
return grid
def _option_selected(self, menu_item, event, key):
self._set_widget_label(self._options[key])
self._value = key
self.emit('changed', key)
class WordsActivity(activity.Activity):
"""Words Activity as specified in activity.info"""
def __init__(self, handle):
"""Set up the Words activity."""
activity.Activity.__init__(self, handle)
self._dictd_data_dir = './dictd/'
self._dictionaries = dictdmodel.Dictionaries(self._dictd_data_dir)
self._origin_languages = self._dictionaries.get_all_languages_origin()
self._origin_lang_options = {}
for lang in self._origin_languages:
self._origin_lang_options[lang] = dictdmodel.lang_codes[lang]
self.max_participants = 1
toolbar_box = ToolbarBox()
activity_button = ActivityToolbarButton(self)
toolbar_box.toolbar.insert(activity_button, 0)
toolbar_box.toolbar.set_style(Gtk.ToolbarStyle.BOTH_HORIZ)
activity_button.show()
toolbar_box.toolbar.insert(Gtk.SeparatorToolItem(), -1)
from_toolitem = Gtk.ToolItem()
from_toolitem.add(Gtk.Label(_('From:')))
from_toolitem.show_all()
toolbar_box.toolbar.insert(from_toolitem, -1)
if 'origin' in self.metadata:
origin = self.metadata['origin']
else:
origin = 'eng'
if 'destination' in self.metadata:
destination = self.metadata['destination']
else:
destination = 'spa'
if 'searches' in self.metadata:
self._searches = json.loads(self.metadata['searches'])
else:
self._searches = {}
# Initial values | Valores iniciales
self.origin_lang = origin
self.destination_lang = destination
self._dictionary = dictdmodel.Dictionary(self._dictd_data_dir,
self.origin_lang,
self.destination_lang)
self._autosearch_timer = None
self._english_dictionary = None
self._alert = ErrorAlert()
self._alert.props.title = _('Wait...')
self._alert.props.msg = _('Loading dictionary data')
self.add_alert(self._alert)
self._alert.connect('response', self._alert_cancel_cb)
self._alert.show()
GObject.idle_add(self._init_english_dictionary)
self._last_word_translated = None
self._from_button = FilterToolItem('go-down',
origin,
self._origin_lang_options)
self._from_button.connect("changed", self.__from_language_changed_cb)
toolbar_box.toolbar.insert(self._from_button, -1)
to_toolitem = Gtk.ToolItem()
to_toolitem.add(Gtk.Label(' ' + _('To:')))
to_toolitem.show_all()
toolbar_box.toolbar.insert(to_toolitem, -1)
self._init_destination_language()
self._to_button = FilterToolItem('go-down',
self.destination_lang,
self._destination_lang_options)
self._to_button.connect("changed", self.__to_language_changed_cb)
toolbar_box.toolbar.insert(self._to_button, -1)
separator = Gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_expand(True)
toolbar_box.toolbar.insert(separator, -1)
separator.show()
stop_button = StopButton(self)
toolbar_box.toolbar.insert(stop_button, -1)
stop_button.show()
self.set_toolbar_box(toolbar_box)
toolbar_box.show()
font_size = int(style.FONT_SIZE * 1.5)
font = Pango.FontDescription("Sans %d" % font_size)
# This box will change the orientaion when the screen rotates
self._big_box = Gtk.Box(Gtk.Orientation.HORIZONTAL)
self._big_box.set_homogeneous(True)
self._big_box.set_margin_top(style.DEFAULT_SPACING)
self._big_box.set_margin_bottom(style.DEFAULT_SPACING)
lang1_container = Gtk.Grid()
lang1_container.set_row_spacing(style.DEFAULT_SPACING)
lang1_container.set_border_width(style.DEFAULT_SPACING)
lang1_round_box = RoundBox()
lang1_round_box.background_color = style.COLOR_BUTTON_GREY
lang1_round_box.border_color = style.COLOR_BUTTON_GREY
lang1_round_box.pack_start(lang1_container, True, True,
style.DEFAULT_SPACING)
self._big_box.pack_start(lang1_round_box, True, True, 0)
# Labels
label1 = Gtk.Label()
label1.set_markup('<span font="%d" color="white">%s</span>' %
(font_size, _("Word")))
label1.set_halign(Gtk.Align.START)
lang1_container.attach(label1, 0, 0, 1, 1)
speak1 = Gtk.ToolButton()
speak1.set_icon_widget(Icon(icon_name='microphone'))
speak1.set_halign(Gtk.Align.END)
speak1.connect("clicked", self.__speak_word_cb)
lang1_container.attach(speak1, 1, 0, 1, 1)
# Text entry box to enter word to be translated
self.totranslate = iconentry.IconEntry()
self.totranslate.set_icon_from_name(iconentry.ICON_ENTRY_PRIMARY,
'entry-search')
# self.search_entry.set_placeholder_text(text)
self.totranslate.add_clear_button()
self.totranslate.connect('activate', self.__totranslate_activated_cb)
self._totranslate_changed_id = self.totranslate.connect(
"changed", self.__totranslate_changed_cb)
self.totranslate.modify_font(font)
self.totranslate.set_hexpand(True)
lang1_container.attach(self.totranslate, 0, 1, 2, 1)
label1 = Gtk.Label()
label1.set_markup('<span font="%d" color="white">%s</span>' %
(font_size, _("Suggestions")))
label1.set_halign(Gtk.Align.START)
lang1_container.attach(label1, 0, 2, 2, 1)
# The "lang1" treeview box
self._suggestions_model = Gtk.ListStore(str)
suggest_treeview = Gtk.TreeView(self._suggestions_model)
suggest_treeview.modify_font(font)
suggest_treeview.set_enable_search(False)
suggest_treeview.set_headers_visible(False)
lang1cell = Gtk.CellRendererText()
lang1cell.props.ellipsize_set = True
lang1cell.props.ellipsize = Pango.EllipsizeMode.END
lang1treecol = Gtk.TreeViewColumn("", lang1cell, text=0)
self._suggestion_changed_cb_id = suggest_treeview.connect(
'cursor-changed', self.__suggestion_selected_cb)
suggest_treeview.append_column(lang1treecol)
scroll = Gtk.ScrolledWindow(hadjustment=None, vadjustment=None)
scroll.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
scroll.add(suggest_treeview)
scroll.set_vexpand(True)
lang1_container.attach(scroll, 0, 3, 2, 1)
# This container have the result data
result_container = Gtk.Grid()
result_container.set_row_spacing(style.DEFAULT_SPACING)
result_container.set_border_width(style.DEFAULT_SPACING)
lang2_round_box = RoundBox()
lang2_round_box.background_color = style.COLOR_BUTTON_GREY
lang2_round_box.border_color = style.COLOR_BUTTON_GREY
lang2_round_box.pack_start(result_container, True, True,
style.DEFAULT_SPACING)
self._big_box.pack_start(lang2_round_box, True, True, 0)
# Text entry box to receive word translated
label = Gtk.Label()
label.set_markup('<span font="%d" color="white">%s</span>' %
(font_size, _("Translation")))
label.set_halign(Gtk.Align.START)
result_container.attach(label, 0, 0, 1, 1)
speak2 = Gtk.ToolButton()
speak2.set_icon_widget(Icon(icon_name='microphone'))
speak2.set_halign(Gtk.Align.END)
speak2.connect("clicked", self.__speak_translation_cb)
result_container.attach(speak2, 1, 0, 1, 1)
self.translated = Gtk.TextView()
self.translated.modify_font(font)
self.translated.set_buffer(Gtk.TextBuffer())
self.translated.set_left_margin(style.DEFAULT_PADDING)
self.translated.set_wrap_mode(Gtk.WrapMode.WORD_CHAR)
self.translated.set_editable(False)
self.translated.modify_bg(
Gtk.StateType.NORMAL, style.COLOR_TEXT_FIELD_GREY.get_gdk_color())
self.translated.modify_bg(
Gtk.StateType.SELECTED, style.COLOR_SELECTION_GREY.get_gdk_color())
scrolled = Gtk.ScrolledWindow()
scrolled.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
scrolled.add(self.translated)
scrolled.set_hexpand(True)
scrolled.set_size_request(-1, style.GRID_CELL_SIZE * 2)
result_container.attach(scrolled, 0, 1, 2, 1)
label = Gtk.Label()
label.set_markup('<span font="%d" color="white">%s</span>' %
(font_size, _("Dictionary")))
label.set_halign(Gtk.Align.START)
result_container.attach(label, 0, 2, 1, 1)
speak2 = Gtk.ToolButton()
speak2.set_icon_widget(Icon(icon_name='microphone'))
speak2.set_halign(Gtk.Align.END)
speak2.connect("clicked", self.__speak_dictionary_cb)
result_container.attach(speak2, 1, 2, 1, 1)
self.dictionary = WebKit.WebView()
self.dictionary.load_html_string(EMPTY_HTML, 'file:///')
self.dictionary.set_zoom_level(0.75)
settings = self.dictionary.get_settings()
settings.set_property('enable-default-context-menu', False)
self.dictionary.set_settings(settings)
scrolled = Gtk.ScrolledWindow()
scrolled.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
scrolled.add(self.dictionary)
scrolled.set_hexpand(True)
scrolled.set_vexpand(True)
result_container.attach(scrolled, 0, 3, 2, 1)
self._big_box.show_all()
self.set_canvas(self._big_box)
self.totranslate.grab_focus()
self.show_all()
def write_file(self, file_path):
''' Write the project to the Journal. '''
self.metadata['origin'] = self.origin_lang
self.metadata['destination'] = self.destination_lang
self.metadata['searches'] = json.dumps(self._searches)
def _init_english_dictionary(self):
# the english_dictionary is fixed, if we add more,
# can generalize the code
if os.path.exists('./dictd-en/hEnglish___advanced_version.dict'):
self._english_dictionary = dictdmodel.EnglishDictionary(
'./dictd-en/hEnglish___advanced_version')
if self._alert is not None:
self.remove_alert(self._alert)
self._alert = None
def _alert_cancel_cb(self, alert, response_id):
pass
def __from_language_changed_cb(self, widget, value):
logging.debug('selected translate from %s', value)
self.origin_lang = value
self._init_destination_language()
logging.debug('destination languages %s',
self._destination_lang_options)
self._to_button.set_options(self._destination_lang_options)
self._translate()
def __to_language_changed_cb(self, widget, value):
logging.debug('selected translate to %s', value)
self.destination_lang = value
self._translate()
def _init_destination_language(self):
destination_languages = self._dictionaries.get_languages_from(
self.origin_lang)
self._destination_lang_options = {}
for lang in destination_languages:
self._destination_lang_options[lang] = dictdmodel.lang_codes[lang]
def _say(self, text, lang):
speech_manager = get_speech_manager()
if speech_manager.get_is_playing():
speech_manager.stop()
else:
speech_manager.say_text(text, dictdmodel.espeak_voices[lang])
def __suggestion_selected_cb(self, treeview):
selection = treeview.get_selection()
if selection is None:
return
model, treeiter = selection.get_selected()
if treeiter is not None:
value = model.get_value(treeiter, 0)
treeview.handler_block(self._suggestion_changed_cb_id)
self.totranslate.handler_block(self._totranslate_changed_id)
if self._autosearch_timer:
GObject.source_remove(self._autosearch_timer)
self.totranslate.set_text(value)
self._translate(inmediate_suggestions=True)
self.totranslate.handler_unblock(self._totranslate_changed_id)
treeview.handler_unblock(self._suggestion_changed_cb_id)
def lang2sel_cb(self, column):
model, _iter = column.get_selected()
value = model.get_value(_iter, 0)
translations = self.languagemodel.GetTranslations(1, value)
self.translated.set_text(",".join(translations))
def __speak_word_cb(self, button):
text = self.totranslate.get_text()
lang = self.origin_lang
self._say(text, lang)
def __speak_translation_cb(self, button):
translated_buffer = self.translated.get_buffer()
bounds = translated_buffer.get_bounds()
text = translated_buffer.get_text(
bounds[0], bounds[1], include_hidden_chars=False)
# remove the lines with the english definition
clean_text = ''
logging.debug('text %s', text)
for line in text.split('\n'):
if len(line) > 0 and line[0] in (' ', '\t'):
clean_text += line + ','
# remove text between []
clean_text = re.sub('\[.*?\]', '', clean_text)
# remove text between <>
clean_text = re.sub('<.*?>', '', clean_text)
lang = self.destination_lang
logging.debug('play %s (lang %s)', clean_text, lang)
self._say(clean_text, lang)
def __speak_dictionary_cb(self, button):
# remove text between <>
clean_text = re.sub('<.*?>', '', self._html_definition)
# remove text between []
clean_text = re.sub('\[.*?\]', '', clean_text)
# remove text between \\
clean_text = re.sub('\\\\.*?\\\\', '', clean_text)
lang = self.origin_lang
self._say(clean_text, lang)
def __totranslate_changed_cb(self, totranslate):
if self._autosearch_timer:
GObject.source_remove(self._autosearch_timer)
self._autosearch_timer = GObject.timeout_add(_AUTOSEARCH_TIMEOUT,
self._autosearch_timer_cb)
def __totranslate_activated_cb(self, totranslate):
if self._autosearch_timer:
GObject.source_remove(self._autosearch_timer)
self._translate()
def _autosearch_timer_cb(self):
logging.debug('_autosearch_timer_cb')
self._autosearch_timer = None
self._translate()
return False
def _translate(self, inmediate_suggestions=False):
text = self.totranslate.get_text().lower()
if not text:
self._suggestions_model.clear()
self.translated.get_buffer().set_text('')
self._html_definition = ''
self.dictionary.load_html_string(EMPTY_HTML, 'file:///')
return
# verify if the languagemodel is right
if self._dictionary.get_from_lang() != self.origin_lang or \
self._dictionary.get_to_lang() != self.destination_lang:
self._dictionary = dictdmodel.Dictionary(self._dictd_data_dir,
self.origin_lang,
self.destination_lang)
translations = self._dictionary.get_definition(text)
if translations:
self.translated.get_buffer().set_text(''.join(translations))
else:
self.translated.get_buffer().set_text('')
if inmediate_suggestions:
self._get_suggestions(text)
else:
GObject.idle_add(self._get_suggestions, text)
# the word can be the same because changed the language pair
if self._last_word_translated == text:
return
# register the search to save in the metadata
lang_pair = '%s-%s' % (self.origin_lang, self.destination_lang)
if lang_pair in self._searches:
self._searches[lang_pair] = self._searches[lang_pair] + 1
else:
self._searches[lang_pair] = 1
self._last_word_translated = text
GObject.idle_add(self._get_definition, text)
def _get_suggestions(self, text):
# Ask for completion suggestions
self._suggestions_model.clear()
for x in self._dictionary.get_suggestions(text):
self._suggestions_model.append([x])
def _get_definition(self, text):
self._html_definition = ''
self.dictionary.load_html_string(EMPTY_HTML, 'file:///')
if self.origin_lang == 'eng' and self._english_dictionary is not None:
definition = self._english_dictionary.get_definition(text)
if definition:
html = ''.join(definition)
# remove HR
html = re.sub('<HR>', '', html)
# remove links
html = re.sub('<A.*?</A>', '', html)
# set background color to #E5E5E5
html = '<body bgcolor="#E5E5E5">' + html + '</body>'
self._html_definition = html
self.dictionary.load_html_string(html, 'file:///')