Package list sugar-read-activity / lintian-fixes/main textadapter.py
lintian-fixes/main

Tree @lintian-fixes/main (Download .tar.gz)

textadapter.py @lintian-fixes/mainraw · history · blame

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
import os
import zipfile
import logging
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import Pango
from gi.repository import GObject
import threading

from sugar3 import mime
from sugar3.graphics import style

PAGE_SIZE = 38


# remove hard line breaks, apply a simple logic to try identify
# the unneeded
def _clean_text(line):
    if line != '\r\n' and len(line) > 2:
        if line[-3] not in ('.', ',', '-', ';') and len(line) > 60:
            line = line[:-2]
    return line


class TextViewer(GObject.GObject):

    __gsignals__ = {
        'zoom-changed': (GObject.SignalFlags.RUN_FIRST, GObject.TYPE_NONE,
                         ([int])),
        'page-changed': (GObject.SignalFlags.RUN_FIRST, GObject.TYPE_NONE,
                         ([int, int])),
        'selection-changed': (GObject.SignalFlags.RUN_FIRST, GObject.TYPE_NONE,
                              ([])), }

    def setup(self, activity):
        self._activity = activity

        self.__going_fwd = False
        self.__going_back = True

        self.textview = Gtk.TextView()
        self.textview.set_editable(False)
        self.textview.set_cursor_visible(False)
        self.textview.set_left_margin(50)
        self.textview.set_right_margin(50)
        self.textview.set_justification(Gtk.Justification.LEFT)
        self.textview.set_wrap_mode(Gtk.WrapMode.WORD)
        self.textview.connect('button-release-event',
                              self._view_buttonrelease_event_cb)
        self.connect('selection-changed',
                     activity._view_selection_changed_cb)

        self.textview.set_events(self.textview.get_events() |
                                 Gdk.EventMask.TOUCH_MASK)
        self.textview.connect('event', self.__touch_event_cb)

        self._sw = Gtk.ScrolledWindow()
        self._sw.add(self.textview)
        self._v_vscrollbar = self._sw.get_vscrollbar()
        self._v_scrollbar_value_changed_cb_id = \
            self._v_vscrollbar.connect('value-changed',
                                       self._v_scrollbar_value_changed_cb)
        self._scrollbar = Gtk.VScrollbar()
        self._scrollbar_change_value_cb_id = \
            self._scrollbar.connect('change-value',
                                    self._scrollbar_change_value_cb)

        overlay = Gtk.Overlay()
        hbox = Gtk.HBox()
        overlay.add(hbox)
        hbox.add(self._sw)

        self._scrollbar.props.halign = Gtk.Align.END
        self._scrollbar.props.valign = Gtk.Align.FILL
        overlay.add_overlay(self._scrollbar)
        overlay.show_all()

        activity._hbox.pack_start(overlay, True, True, 0)

        self._font_size = style.zoom(12)
        self.font_desc = Pango.FontDescription("mono %d" % self._font_size)
        self.textview.modify_font(self.font_desc)
        self._zoom = 100
        self.font_zoom_relation = self._zoom // self._font_size
        self._current_page = 0

        self.highlight_tag = self.textview.get_buffer().create_tag()
        self.highlight_tag.set_property('underline', Pango.Underline.SINGLE)
        self.highlight_tag.set_property('foreground', 'black')
        self.highlight_tag.set_property('background', 'yellow')

        # text to speech initialization
        self.current_word = 0
        self.word_tuples = []
        self.spoken_word_tag = self.textview.get_buffer().create_tag()
        self.spoken_word_tag.set_property('weight', Pango.Weight.BOLD)
        self.normal_tag = self.textview.get_buffer().create_tag()
        self.normal_tag.set_property('weight', Pango.Weight.NORMAL)

    def load_document(self, file_path):

        file_name = file_path.replace('file://', '')
        mimetype = mime.get_for_file(file_path)
        if mimetype == 'application/zip':
            logging.debug('opening zip file')
            self.zf = zipfile.ZipFile(file_path.replace('file://', ''), 'r')
            self.book_files = self.zf.namelist()
            extract_path = os.path.join(self._activity.get_activity_root(),
                                        'instance')
            for book_file in self.book_files:
                if (book_file != 'annotations.pkl'):
                    self.zf.extract(book_file, extract_path)
                    file_name = os.path.join(extract_path, book_file)

        logging.debug('opening file_name %s' % file_name)
        self._etext_file = open(file_name, 'r')

        self.page_index = [0]
        pagecount = 0
        linecount = 0
        while self._etext_file:
            line = self._etext_file.readline()
            if not line:
                break
            line_increment = (len(line) // 80) + 1
            linecount = linecount + line_increment
            if linecount >= PAGE_SIZE:
                position = self._etext_file.tell()
                self.page_index.append(position)
                linecount = 0
                pagecount = pagecount + 1
        self._pagecount = pagecount + 1
        self.set_current_page(0)
        self._scrollbar.set_range(0.0, self._pagecount - 1.0)
        self._scrollbar.set_increments(1.0, 1.0)

        # TODO: now that sugar3.speech has word signals
        # call self.highlight_next_word on each word
        # call self.reset_text_to_speech at end

    def _show_page(self, page_number):
        position = self.page_index[page_number]
        self._etext_file.seek(position)
        linecount = 0
        label_text = '\n\n\n'
        while linecount < PAGE_SIZE:
            line = self._etext_file.readline()
            if not line:
                break
            else:
                line = _clean_text(line)
                label_text = label_text + line
            line_increment = (len(line) // 80) + 1
            linecount = linecount + line_increment
        textbuffer = self.textview.get_buffer()
        label_text = label_text + '\n\n\n'
        textbuffer.set_text(label_text)
        self._prepare_text_to_speech(label_text)

    def _v_scrollbar_value_changed_cb(self, scrollbar):
        """
        This is the real scrollbar containing the text view
        """
        if self._current_page < 1:
            return
        scrollval = scrollbar.get_value()
        scroll_upper = self._v_vscrollbar.props.adjustment.props.upper

        if self.__going_fwd and \
                not self._current_page == self._pagecount:

            if scrollval == scroll_upper:
                self.set_current_page(self._current_page + 1)
        elif self.__going_back and self._current_page > 1:
            if scrollval == 0.0:
                self.set_current_page(self._current_page - 1)

    def _scrollbar_change_value_cb(self, range, scrolltype, value):
        """
        This is the fake scrollbar visible, used to show the length of the book
        """
        old_page = self._current_page
        if scrolltype == Gtk.ScrollType.STEP_FORWARD:
            self.__going_fwd = True
            self.__going_back = False
        elif scrolltype == Gtk.ScrollType.STEP_BACKWARD:
            self.__going_fwd = False
            self.__going_back = True
        elif scrolltype == Gtk.ScrollType.JUMP or \
                scrolltype == Gtk.ScrollType.PAGE_FORWARD or \
                scrolltype == Gtk.ScrollType.PAGE_BACKWARD:
            if value > self._scrollbar.props.adjustment.props.upper:
                value = self._pagecount - 1
            self._show_page(int(value))
            self._current_page = int(value)
            self.emit('page-changed', old_page, self._current_page)
        else:
            print('Warning: unknown scrolltype %s with value %f'
                  % (str(scrolltype), value))

        # FIXME: This should not be needed here
        self._scrollbar.set_value(self._current_page)

    def __touch_event_cb(self, widget, event):
        if event.type == Gdk.EventType.TOUCH_BEGIN:
            x = event.touch.x
            view_width = widget.get_allocation().width
            if x > view_width * 3 // 4:
                self.scroll(Gtk.ScrollType.PAGE_FORWARD, False)
            elif x < view_width * 1 // 4:
                self.scroll(Gtk.ScrollType.PAGE_BACKWARD, False)

    def can_highlight(self):
        return True

    def get_selection_bounds(self):
        if self.textview.get_buffer().get_selection_bounds():
            begin, end = self.textview.get_buffer().get_selection_bounds()
            return [begin.get_offset(), end.get_offset()]
        else:
            return []

    def get_cursor_position(self):
        insert_mark = self.textview.get_buffer().get_insert()
        return self.textview.get_buffer().get_iter_at_mark(
            insert_mark).get_offset()

    def in_highlight(self):
        # Verify if the selection already exist or the cursor
        # is in a highlighted area
        tuples_list = self._activity._bookmarkmanager.get_highlights(
            self.get_current_page())

        selection_tuple = self.get_selection_bounds()
        in_bounds = False
        highlight_found = None
        for highlight_tuple in tuples_list:
            logging.debug('control tuple  %s' % str(highlight_tuple))
            if selection_tuple:
                if selection_tuple[0] >= highlight_tuple[0] and \
                   selection_tuple[1] <= highlight_tuple[1]:
                    in_bounds = True
                    highlight_found = highlight_tuple
                    break

        return in_bounds, highlight_found

    def show_highlights(self, page):
        tuples_list = self._activity._bookmarkmanager.get_highlights(page)
        textbuffer = self.textview.get_buffer()
        bounds = textbuffer.get_bounds()
        textbuffer.remove_all_tags(bounds[0], bounds[1])
        for highlight_tuple in tuples_list:
            iterStart = textbuffer.get_iter_at_offset(highlight_tuple[0])
            iterEnd = textbuffer.get_iter_at_offset(highlight_tuple[1])
            textbuffer.apply_tag(self.highlight_tag, iterStart, iterEnd)

    def toggle_highlight(self, highlight):
        found, old_highlight_found = self.in_highlight()

        if highlight:
            selection_tuple = self.get_selection_bounds()
            self._activity._bookmarkmanager.add_highlight(
                self.get_current_page(), selection_tuple)
        else:
            self._activity._bookmarkmanager.del_highlight(
                self.get_current_page(), old_highlight_found)

        self.show_highlights(self.get_current_page())

    def connect_page_changed_handler(self, handler):
        self.connect('page-changed', handler)

    def can_do_text_to_speech(self):
        return True

    def get_marked_words(self):
        "Adds a mark between each word of text."
        i = self.current_word
        marked_up_text = '<speak> '
        while i < len(self.word_tuples):
            word_tuple = self.word_tuples[i]
            marked_up_text = marked_up_text + \
              ' <mark name="' + str(i) + '"/>' + word_tuple[2]
            i = i + 1
        print(marked_up_text)
        return marked_up_text + '</speak>'

    def reset_text_to_speech(self):
        self.current_word = 0

    def _prepare_text_to_speech(self, page_text):
        i = 0
        j = 0
        word_begin = 0
        word_end = 0
        ignore_chars = [' ',  '\n',  '\r',  '_',  '[', '{', ']', '}', '|',
                        '<',  '>',  '*',  '+',  '/',  '\\']
        ignore_set = set(ignore_chars)
        self.word_tuples = []
        len_page_text = len(page_text)
        while i < len_page_text:
            if page_text[i] not in ignore_set:
                word_begin = i
                j = i
                while j < len_page_text and page_text[j] not in ignore_set:
                    j = j + 1
                    word_end = j
                    i = j
                word_tuple = (word_begin, word_end,
                              page_text[word_begin: word_end])
                if word_tuple[2] != '\r':
                    self.word_tuples.append(word_tuple)
            i = i + 1

    def highlight_next_word(self, word_count):
        if word_count < len(self.word_tuples):
            word_tuple = self.word_tuples[word_count]
            textbuffer = self.textview.get_buffer()
            iterStart = textbuffer.get_iter_at_offset(word_tuple[0])
            iterEnd = textbuffer.get_iter_at_offset(word_tuple[1])
            bounds = textbuffer.get_bounds()
            textbuffer.apply_tag(self.normal_tag, bounds[0], iterStart)
            textbuffer.apply_tag(self.spoken_word_tag, iterStart, iterEnd)
            v_adjustment = self._sw.get_vadjustment()
            max_pos = v_adjustment.get_upper() - v_adjustment.get_page_size()
            max_pos = max_pos * word_count
            max_pos = max_pos // len(self.word_tuples)
            v_adjustment.set_value(max_pos)
            self.current_word = word_count
        return True

    def update_metadata(self, activity):
        self.metadata = activity.metadata
        self.metadata['Read_zoom'] = str(self.get_zoom())

    def load_metadata(self, activity):
        self.metadata = activity.metadata
        if 'Read_zoom' in self.metadata:
            try:
                logging.debug('Loading zoom %s', self.metadata['Read_zoom'])
                self.set_zoom(float(self.metadata['Read_zoom']))
            except:
                pass

    def set_current_page(self, page):
        old_page = self._current_page
        self._current_page = page
        self._show_page(self._current_page)
        self._scrollbar.handler_block(self._scrollbar_change_value_cb_id)
        self._scrollbar.set_value(self._current_page)
        self._scrollbar.handler_unblock(self._scrollbar_change_value_cb_id)
        self.emit('page-changed', old_page, self._current_page)

    def scroll(self, scrolltype, horizontal):
        v_adjustment = self._sw.get_vadjustment()
        v_value = v_adjustment.get_value()
        if scrolltype in (Gtk.ScrollType.PAGE_BACKWARD,
                          Gtk.ScrollType.PAGE_FORWARD):
            step = v_adjustment.get_page_increment()
        else:
            step = v_adjustment.get_step_increment()

        if scrolltype in (Gtk.ScrollType.PAGE_BACKWARD,
                          Gtk.ScrollType.STEP_BACKWARD):
            self.__going_fwd = False
            self.__going_back = True
            if v_value <= v_adjustment.get_lower():
                self.previous_page()
                v_adjustment.set_value(v_adjustment.get_upper() -
                                       v_adjustment.get_page_size())
                return
            if v_value > v_adjustment.get_lower():
                new_value = v_value - step
                if new_value < v_adjustment.get_lower():
                    new_value = v_adjustment.get_lower()
                v_adjustment.set_value(new_value)
        elif scrolltype in (Gtk.ScrollType.PAGE_FORWARD,
                            Gtk.ScrollType.STEP_FORWARD):
            self.__going_fwd = True
            self.__going_back = False

            if v_value >= v_adjustment.get_upper() - \
                    v_adjustment.get_page_size():
                self.next_page()
                return
            if v_value < v_adjustment.get_upper() - \
                    v_adjustment.get_page_size():
                new_value = v_value + step
                if new_value > v_adjustment.get_upper() - \
                        v_adjustment.get_page_size():
                    new_value = v_adjustment.get_upper() - \
                        v_adjustment.get_page_size()
                v_adjustment.set_value(new_value)
        elif scrolltype == Gtk.ScrollType.START:
            self.set_current_page(0)
        elif scrolltype == Gtk.ScrollType.END:
            self.set_current_page(self._pagecount - 1)

    def previous_page(self):
        v_adjustment = self._sw.get_vadjustment()
        v_adjustment.set_value(v_adjustment.get_upper() -
                               v_adjustment.get_page_size())
        self.set_current_page(max(0, self.get_current_page() - 1))

    def next_page(self):
        v_adjustment = self._sw.get_vadjustment()
        v_adjustment.set_value(v_adjustment.get_lower())
        self.set_current_page(
            min(self._pagecount - 1, self.get_current_page() + 1))

    def get_current_page(self):
        return self._current_page

    def get_pagecount(self):
        return self._pagecount

    def update_toc(self, activity):
        pass

    def handle_link(self, link):
        pass

    def get_current_file(self):
        pass

    def copy(self):
        clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
        self.textview.get_buffer().copy_clipboard(clipboard)

    def _view_buttonrelease_event_cb(self, view, event):
        self._has_selection = \
            self.textview.get_buffer().get_selection_bounds() != ()
        self.emit('selection-changed')

    def get_has_selection(self):
        return self._has_selection

    def find_set_highlight_search(self, boolean):
        pass

    def setup_find_job(self, text, _find_updated_cb):
        self._find_job = _JobFind(self._etext_file, start_page=0,
                                  n_pages=self._pagecount,
                                  text=text, case_sensitive=False)
        self._find_updated_handler = self._find_job.connect(
            'updated', _find_updated_cb)
        return self._find_job, self._find_updated_handler

    def find_next(self):
        self._find_job.find_next()

    def find_previous(self):
        self._find_job.find_previous()

    def find_changed(self, job, page):
        self.set_current_page(job.get_page())
        self._show_found_text(job.get_founded_tuple())

    def _show_found_text(self, founded_tuple):
        textbuffer = self.textview.get_buffer()
        tag = textbuffer.create_tag()
        tag.set_property('weight', Pango.Weight.BOLD)
        tag.set_property('foreground', 'white')
        tag.set_property('background', 'black')
        iterStart = textbuffer.get_iter_at_offset(founded_tuple[1])
        iterEnd = textbuffer.get_iter_at_offset(founded_tuple[2])
        textbuffer.apply_tag(tag, iterStart, iterEnd)

    def get_zoom(self):
        return self.font_zoom_relation * self._font_size

    def connect_zoom_handler(self, handler):
        self._view_notify_zoom_handler = self.connect('zoom-changed',
                                                      handler)
        return self._view_notify_zoom_handler

    def set_zoom(self, value):
        self._zoom = value
        self._font_size = self._zoom // self.font_zoom_relation
        self.font_desc.set_size(self._font_size * 1024)
        self.textview.modify_font(self.font_desc)

    def zoom_in(self):
        self._set_font_size(self._font_size + 1)

    def zoom_out(self):
        self._set_font_size(self._font_size - 1)

    def _set_font_size(self, size):
        self._font_size = size
        self.font_desc.set_size(self._font_size * 1024)
        self.textview.modify_font(self.font_desc)
        self._zoom = self.font_zoom_relation * self._font_size
        self.emit('zoom-changed', self._zoom)

    def zoom_to_width(self):
        pass

    def can_zoom_in(self):
        return True

    def can_zoom_out(self):
        return self._font_size > 1

    def can_zoom_to_width(self):
        return False

    def zoom_to_best_fit(self):
        return False

    def zoom_to_actual_size(self):
        return False

    def can_rotate(self):
        return False


class _JobFind(GObject.GObject):

    __gsignals__ = {
        'updated': (GObject.SignalFlags.RUN_FIRST, GObject.TYPE_NONE, ([])), }

    def __init__(self, text_file, start_page, n_pages, text,
                 case_sensitive=False):
        GObject.GObject.__init__(self)
        Gdk.threads_init()

        self._finished = False
        self._text_file = text_file
        self._start_page = start_page
        self._n_pages = n_pages
        self._text = text
        self._case_sensitive = case_sensitive
        self.threads = []

        s_thread = _SearchThread(self)
        self.threads.append(s_thread)
        s_thread.start()

    def cancel(self):
        '''
        Cancels the search job
        '''
        for s_thread in self.threads:
            s_thread.stop()

    def is_finished(self):
        '''
        Returns True if the entire search job has been finished
        '''
        return self._finished

    def get_search_text(self):
        '''
        Returns the search text
        '''
        return self._text

    def get_case_sensitive(self):
        '''
        Returns True if the search is case-sensitive
        '''
        return self._case_sensitive

    def find_next(self):
        self.threads[-1].find_next()

    def find_previous(self):
        self.threads[-1].find_previous()

    def get_page(self):
        return self.threads[-1].get_page()

    def get_founded_tuple(self):
        return self.threads[-1].get_founded_tuple()


class _SearchThread(threading.Thread):

    def __init__(self, obj):
        threading.Thread.__init__(self)
        self.obj = obj
        self.stopthread = threading.Event()

    def _start_search(self):
        pagecount = 0
        linecount = 0
        charcount = 0
        self._found_records = []
        self._current_found_item = -1
        self.obj._text_file.seek(0)
        while self.obj._text_file:
            line = self.obj._text_file.readline()
            line = _clean_text(line)
            line_length = len(line)
            if not line:
                break
            line_increment = (len(line) // 80) + 1
            linecount = linecount + line_increment
            positions = self._allindices(line.lower(), self.obj._text.lower())
            for position in positions:
                found_pos = charcount + position + 3
                found_tuple = (pagecount, found_pos,
                               len(self.obj._text) + found_pos)
                self._found_records.append(found_tuple)
                self._current_found_item = 0
            charcount = charcount + line_length
            if linecount >= PAGE_SIZE:
                linecount = 0
                charcount = 0
                pagecount = pagecount + 1
        if self._current_found_item == 0:
            self.current_found_tuple = \
                self._found_records[self._current_found_item]
            self._page = self.current_found_tuple[0]

        Gdk.threads_enter()
        self.obj._finished = True
        self.obj.emit('updated')
        Gdk.threads_leave()

        return False

    def _allindices(self, line, search, listindex=None, offset=0):
        if listindex is None:
            listindex = []
        if (line.find(search) == -1):
            return listindex
        else:
            offset = line.index(search) + offset
            listindex.append(offset)
            line = line[(line.index(search) + 1):]
            return self._allindices(line, search, listindex, offset + 1)

    def run(self):
        self._start_search()

    def stop(self):
        self.stopthread.set()

    def find_next(self):
        self._current_found_item = self._current_found_item + 1
        if self._current_found_item >= len(self._found_records):
            self._current_found_item = 0
        self.current_found_tuple =  \
            self._found_records[self._current_found_item]
        self._page = self.current_found_tuple[0]
        self.obj.emit('updated')

    def find_previous(self):
        self._current_found_item = self._current_found_item - 1
        if self._current_found_item <= 0:
            self._current_found_item = len(self._found_records) - 1
        self.current_found_tuple = \
            self._found_records[self._current_found_item]
        self._page = self.current_found_tuple[0]
        self.obj.emit('updated')

    def get_page(self):
        return self._page

    def get_founded_tuple(self):
        return self.current_found_tuple