aboutsummaryrefslogtreecommitdiff
path: root/gui/predictivedialog.cpp
blob: 9557da1206855ab08503dbd52768bd75db551062 (plain)
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
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "gui/predictivedialog.h"
#include "gui/widget.h"
#include "gui/widgets/edittext.h"
#include "gui/gui-manager.h"
#include "gui/ThemeEval.h"

#include "common/config-manager.h"
#include "common/translation.h"
#include "common/events.h"
#include "common/debug.h"
#include "common/system.h"
#include "common/keyboard.h"
#include "common/file.h"
#include "common/savefile.h"

#ifdef __DS__
#include "backends/platform/ds/arm9/source/wordcompletion.h"
#endif

namespace GUI {

enum {
	kCancelCmd = 'CNCL',
	kOkCmd     = '__OK',
	kBut1Cmd   = 'BUT1',
	kBut2Cmd   = 'BUT2',
	kBut3Cmd   = 'BUT3',
	kBut4Cmd   = 'BUT4',
	kBut5Cmd   = 'BUT5',
	kBut6Cmd   = 'BUT6',
	kBut7Cmd   = 'BUT7',
	kBut8Cmd   = 'BUT8',
	kBut9Cmd   = 'BUT9',
	kBut0Cmd   = 'BUT0',
	kNextCmd   = 'NEXT',
	kAddCmd    = '_ADD',
	kModeCmd   = 'MODE',
	kDelCmd    = '_DEL',
	kTestCmd   = 'TEST'
};

enum {
	kModePre = 0,
	kModeNum = 1,
	kModeAbc = 2
};

PredictiveDialog::PredictiveDialog() : Dialog("Predictive") {
	new StaticTextWidget(this, "Predictive.Headline", "Enter Text");

	_button[kCancelAct] =  new ButtonWidget(this, "Predictive.Cancel",  _("Cancel")   , 0, kCancelCmd);
	_button[kOkAct] =      new ButtonWidget(this, "Predictive.OK",      _("Ok")       , 0, kOkCmd);
	_button[kButton1Act] = new ButtonWidget(this, "Predictive.Button1", "1  `-.&"     , 0, kBut1Cmd);
	_button[kButton2Act] = new ButtonWidget(this, "Predictive.Button2", "2  abc"      , 0, kBut2Cmd);
	_button[kButton3Act] = new ButtonWidget(this, "Predictive.Button3", "3  def"      , 0, kBut3Cmd);
	_button[kButton4Act] = new ButtonWidget(this, "Predictive.Button4", "4  ghi"      , 0, kBut4Cmd);
	_button[kButton5Act] = new ButtonWidget(this, "Predictive.Button5", "5  jkl"      , 0, kBut5Cmd);
	_button[kButton6Act] = new ButtonWidget(this, "Predictive.Button6", "6  mno"      , 0, kBut6Cmd);
	_button[kButton7Act] = new ButtonWidget(this, "Predictive.Button7", "7  pqrs"     , 0, kBut7Cmd);
	_button[kButton8Act] = new ButtonWidget(this, "Predictive.Button8", "8  tuv"      , 0, kBut8Cmd);
	_button[kButton9Act] = new ButtonWidget(this, "Predictive.Button9", "9  wxyz"     , 0, kBut9Cmd);
	_button[kButton0Act] = new ButtonWidget(this, "Predictive.Button0", "0"           , 0, kBut0Cmd);
	// I18N: You must leave "#" as is, only word 'next' is translatable
	_button[kNextAct] =    new ButtonWidget(this, "Predictive.Next",    _("#  next")  , 0, kNextCmd);
	_button[kAddAct] =     new ButtonWidget(this, "Predictive.Add",     _("add")      , 0, kAddCmd);
	_button[kAddAct]->setEnabled(false);

#ifndef DISABLE_FANCY_THEMES
	if (g_gui.xmlEval()->getVar("Globals.Predictive.ShowDeletePic") == 1 && g_gui.theme()->supportsImages()) {
		_button[kDelAct] = new PicButtonWidget(this, "Predictive.Delete", _("Delete char"), kDelCmd);
		((PicButtonWidget *)_button[kDelAct])->useThemeTransparency(true);
		((PicButtonWidget *)_button[kDelAct])->setGfx(g_gui.theme()->getImageSurface(ThemeEngine::kImageDelButton));
	} else
#endif
		_button[kDelAct] = new ButtonWidget(this, "Predictive.Delete" , _("<") , 0, kDelCmd);
	// I18N: Pre means 'Predictive', leave '*' as is
	_button[kModeAct] = new ButtonWidget(this, "Predictive.Pre", _("*  Pre"), 0, kModeCmd);
	_editText = new EditTextWidget(this, "Predictive.Word", _search, 0, 0, 0);

	_userDictHasChanged = false;

	_predictiveDict.nameDict = "predictive_dictionary";
	_predictiveDict.defaultFilename = "pred.dic";

	_userDict.nameDict = "user_dictionary";
	_userDict.defaultFilename = "user.dic";

	if (!_predictiveDict.dictText) {
		loadAllDictionary(_predictiveDict);
		if (!_predictiveDict.dictText)
			debug(5, "Predictive Dialog: pred.dic not loaded");
	}

	if (!_userDict.dictText) {
		loadAllDictionary(_userDict);
		if (!_userDict.dictText)
			debug(5, "Predictive Dialog: user.dic not loaded");
	}

	mergeDicts();

	memset(_repeatcount, 0, sizeof(_repeatcount));

	_prefix.clear();
	_currentCode.clear();
	_currentWord.clear();
	_wordNumber = 0;
	_numMatchingWords = 0;
	memset(_predictiveResult, 0, sizeof(_predictiveResult));

	_lastButton = kNoAct;
	_mode = kModePre;

	_lastTime = 0;
	_curTime = 0;
	_lastPressedButton = kNoAct;

	_memoryList[0] = _predictiveDict.dictText;
	_memoryList[1] = _userDict.dictText;
	_numMemory = 0;

	_navigationWithKeys = false;
}

PredictiveDialog::~PredictiveDialog() {
	for (int i = 0; i < _numMemory; i++) {
		free(_memoryList[i]);
	}
	free(_userDict.dictLine);
	free(_predictiveDict.dictLine);
	free(_unitedDict.dictLine);
}

void PredictiveDialog::reflowLayout() {
#ifndef DISABLE_FANCY_THEMES
	removeWidget(_button[kDelAct]);
	_button[kDelAct]->setNext(0);
	delete _button[kDelAct];
	_button[kDelAct] = nullptr;

	if (g_gui.xmlEval()->getVar("Globals.Predictive.ShowDeletePic") == 1 && g_gui.theme()->supportsImages()) {
		_button[kDelAct] = new PicButtonWidget(this, "Predictive.Delete", _("Delete char"), kDelCmd);
		((PicButtonWidget *)_button[kDelAct])->useThemeTransparency(true);
		((PicButtonWidget *)_button[kDelAct])->setGfx(g_gui.theme()->getImageSurface(ThemeEngine::kImageDelButton));
	} else {
		_button[kDelAct] = new ButtonWidget(this, "Predictive.Delete" , _("<") , 0, kDelCmd);
	}
#endif

	Dialog::reflowLayout();
}

void PredictiveDialog::saveUserDictToFile() {
	if (_userDictHasChanged) {
		ConfMan.registerDefault("user_dictionary", "user.dic");

		Common::OutSaveFile *file = g_system->getSavefileManager()->openForSaving(ConfMan.get("user_dictionary"));

		for (int i = 0; i < _userDict.dictLineCount; i++) {
			file->writeString(_userDict.dictLine[i]);
			file->writeString("\n");
		}

		file->finalize();
		delete file;
	}
}

void PredictiveDialog::handleKeyUp(Common::KeyState state) {
	if (_curPressedButton != kNoAct && !_needRefresh) {
		_button[_curPressedButton]->startAnimatePressedState();
		processButton(_curPressedButton);
	}
}

void PredictiveDialog::handleKeyDown(Common::KeyState state) {
	_curPressedButton = kNoAct;
	_needRefresh = false;

	if (getFocusWidget() == _editText) {
		setFocusWidget(_button[kAddAct]);
	}

	if (_lastButton == kNoAct) {
		_lastButton = kButton5Act;
	}

	switch (state.keycode) {
	case Common::KEYCODE_ESCAPE:
		saveUserDictToFile();
		close();
		return;
	case Common::KEYCODE_LEFT:
		_navigationWithKeys = true;
		if (_lastButton == kButton1Act || _lastButton == kButton4Act || _lastButton == kButton7Act)
			_curPressedButton = ButtonId(_lastButton + 2);
		else if (_lastButton == kDelAct)
			_curPressedButton = kButton1Act;
		else if (_lastButton == kModeAct)
			_curPressedButton = kNextAct;
		else if (_lastButton == kNextAct)
			_curPressedButton = kButton0Act;
		else if (_lastButton == kAddAct)
			_curPressedButton = kOkAct;
		else if (_lastButton == kCancelAct)
			_curPressedButton = kAddAct;
		else
			_curPressedButton = ButtonId(_lastButton - 1);


		if (_mode != kModeAbc && _lastButton == kCancelAct)
			_curPressedButton = kOkAct;

		_needRefresh = true;
		break;
	case Common::KEYCODE_RIGHT:
		_navigationWithKeys = true;
		if (_lastButton == kButton3Act || _lastButton == kButton6Act || _lastButton == kButton9Act || _lastButton == kOkAct)
			_curPressedButton = ButtonId(_lastButton - 2);
		else if (_lastButton == kDelAct)
			_curPressedButton = kButton3Act;
		else if (_lastButton == kButton0Act)
			_curPressedButton = kNextAct;
		else if (_lastButton == kNextAct)
			_curPressedButton = kModeAct;
		else if (_lastButton == kAddAct)
			_curPressedButton = kCancelAct;
		else if (_lastButton == kOkAct)
			_curPressedButton = kAddAct;
		else
			_curPressedButton = ButtonId(_lastButton + 1);

		if (_mode != kModeAbc && _lastButton == kOkAct)
			_curPressedButton = kCancelAct;
		_needRefresh = true;
		break;
	case Common::KEYCODE_UP:
		_navigationWithKeys = true;
		if (_lastButton <= kButton3Act)
			_curPressedButton = kDelAct;
		else if (_lastButton == kDelAct)
			_curPressedButton = kOkAct;
		else if (_lastButton == kModeAct)
			_curPressedButton = kButton7Act;
		else if (_lastButton == kButton0Act)
			_curPressedButton = kButton8Act;
		else if (_lastButton == kNextAct)
			_curPressedButton = kButton9Act;
		else if (_lastButton == kAddAct)
			_curPressedButton = kModeAct;
		else if (_lastButton == kCancelAct)
			_curPressedButton = kButton0Act;
		else if (_lastButton == kOkAct)
			_curPressedButton = kNextAct;
		else
			_curPressedButton = ButtonId(_lastButton - 3);
		_needRefresh = true;
		break;
	case Common::KEYCODE_DOWN:
		_navigationWithKeys = true;
		if (_lastButton == kDelAct)
			_curPressedButton = kButton3Act;
		else if (_lastButton == kButton7Act)
			_curPressedButton = kModeAct;
		else if (_lastButton == kButton8Act)
			_curPressedButton = kButton0Act;
		else if (_lastButton == kButton9Act)
			_curPressedButton = kNextAct;
		else if (_lastButton == kModeAct)
			_curPressedButton = kAddAct;
		else if (_lastButton == kButton0Act)
			_curPressedButton = kCancelAct;
		else if (_lastButton == kNextAct)
			_curPressedButton = kOkAct;
		else if (_lastButton == kAddAct || _lastButton == kCancelAct || _lastButton == kOkAct)
			_curPressedButton = kDelAct;
		else
			_curPressedButton = ButtonId(_lastButton + 3);

		if (_mode != kModeAbc && _lastButton == kModeAct)
			_curPressedButton = kCancelAct;

		_needRefresh = true;
		break;
	case Common::KEYCODE_KP_ENTER:
	case Common::KEYCODE_RETURN:
		if (state.flags & Common::KBD_CTRL) {
			_curPressedButton = kOkAct;
			break;
		}
		if (_navigationWithKeys) {
			// when the user has utilized arrow key navigation,
			// interpret enter as 'click' on the _curPressedButton button
			_curPressedButton = _lastButton;
			_needRefresh = false;
		} else {
			// else it is a shortcut for 'Ok'
			_curPressedButton = kOkAct;
		}
		break;
	case Common::KEYCODE_KP_PLUS:
		_curPressedButton = kAddAct;
		break;
	case Common::KEYCODE_BACKSPACE:
	case Common::KEYCODE_KP_MINUS:
		_curPressedButton = kDelAct;
		break;
	case Common::KEYCODE_KP_DIVIDE:
		_curPressedButton = kNextAct;
		break;
	case Common::KEYCODE_KP_MULTIPLY:
		_curPressedButton = kModeAct;
		break;
	case Common::KEYCODE_KP0:
		_curPressedButton = kButton0Act;
		break;
	case Common::KEYCODE_KP1:
	case Common::KEYCODE_KP2:
	case Common::KEYCODE_KP3:
	case Common::KEYCODE_KP4:
	case Common::KEYCODE_KP5:
	case Common::KEYCODE_KP6:
	case Common::KEYCODE_KP7:
	case Common::KEYCODE_KP8:
	case Common::KEYCODE_KP9:
		_curPressedButton = ButtonId(state.keycode - Common::KEYCODE_KP1);
		break;
	default:
		Dialog::handleKeyDown(state);
	}

	if (_lastButton != _curPressedButton)
		_button[_lastButton]->stopAnimatePressedState();

	if (_curPressedButton != kNoAct && !_needRefresh)
		_button[_curPressedButton]->setPressedState();
	else
		updateHighLightedButton(_curPressedButton);
}

void PredictiveDialog::updateHighLightedButton(ButtonId act) {
	if (_curPressedButton != kNoAct) {
		_button[_lastButton]->setHighLighted(false);
		_lastButton = act;
		_button[_lastButton]->setHighLighted(true);
	}
}

void PredictiveDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
	_curPressedButton = kNoAct;

	_navigationWithKeys = false;

	if (_lastButton != kNoAct)
		_button[_lastButton]->setHighLighted(false);

	switch (cmd) {
	case kDelCmd:
		_curPressedButton = kDelAct;
		break;
	case kNextCmd:
		_curPressedButton = kNextAct;
		break;
	case kAddCmd:
		_curPressedButton = kAddAct;
		break;
	case kModeCmd:
		_curPressedButton = kModeAct;
		break;
	case kBut1Cmd:
		_curPressedButton = kButton1Act;
		break;
	case kBut2Cmd:
		_curPressedButton = kButton2Act;
		break;
	case kBut3Cmd:
		_curPressedButton = kButton3Act;
		break;
	case kBut4Cmd:
		_curPressedButton = kButton4Act;
		break;
	case kBut5Cmd:
		_curPressedButton = kButton5Act;
		break;
	case kBut6Cmd:
		_curPressedButton = kButton6Act;
		break;
	case kBut7Cmd:
		_curPressedButton = kButton7Act;
		break;
	case kBut8Cmd:
		_curPressedButton = kButton8Act;
		break;
	case kBut9Cmd:
		_curPressedButton = kButton9Act;
		break;
	case kBut0Cmd:
		_curPressedButton = kButton0Act;
		break;
	case kCancelCmd:
		saveUserDictToFile();
		close();
		// When we cancel the dialog no result should be returned. Thus, we
		// will invalidate any result here.
		_predictiveResult[0] = 0;
		return;
	case kOkCmd:
		_curPressedButton = kOkAct;
		break;
	default:
		Dialog::handleCommand(sender, cmd, data);
	}

	if (_curPressedButton != kNoAct) {
		processButton(_curPressedButton);
	}
}

void PredictiveDialog::processButton(ButtonId button) {
	static const char *const buttonStr[] = {
		"1", "2", "3",
		"4", "5", "6",
		"7", "8", "9",
		     "0"
	};

	static const char *const buttons[] = {
		"'-.&",  "abc", "def",
		"ghi",  "jkl", "mno",
		"pqrs", "tuv", "wxyz",
		"next",    "add",
		"<",
		"Cancel",  "OK",
		"Pre", "(0) ", NULL
	};

	if (_mode == kModeAbc) {
		if (button >= kButton1Act && button <= kButton9Act) {
			if (!_lastTime)
				_lastTime = g_system->getMillis();
			if (_lastPressedButton == button) {
				_curTime = g_system->getMillis();
				if ((_curTime - _lastTime) < kRepeatDelay) {
					button = kNextAct;
					_lastTime = _curTime;
				} else {
					_lastTime = 0;
				}
			} else {
				_lastPressedButton = button;
				_lastTime = g_system->getMillis();
			}
		}
	}

	if (button >= kButton1Act) {
		_lastButton = button;
		if (button == kButton0Act && _mode != kModeNum) { // Space
			// bring MRU word at the top of the list when changing words
			if (_mode == kModePre && _unitedDict.dictActLine && _numMatchingWords > 1 && _wordNumber != 0)
				bringWordtoTop(_unitedDict.dictActLine, _wordNumber);

			strncpy(_temp, _currentWord.c_str(), _currentCode.size());
			_temp[_currentCode.size()] = 0;
			_prefix += _temp;
			_prefix += " ";
			_currentCode.clear();
			_currentWord.clear();
			_numMatchingWords = 0;
			memset(_repeatcount, 0, sizeof(_repeatcount));
			_lastTime = 0;
			_lastPressedButton = kNoAct;
			_curTime = 0;
		} else if (button < kNextAct || button == kDelAct || button == kButton0Act) { // number or backspace
			if (button == kDelAct) { // backspace
				if (_currentCode.size()) {
					_repeatcount[_currentCode.size() - 1] = 0;
					_currentCode.deleteLastChar();
					if (_currentCode.empty())
						_currentWord.clear();
				} else {
					if (_prefix.size())
						_prefix.deleteLastChar();
				}
			} else if (_prefix.size() + _currentCode.size() < kMaxWordLen - 1) { // don't overflow the dialog line
				if (button == kButton0Act) { // zero
					_currentCode += buttonStr[9];
				} else {
					_currentCode += buttonStr[button];
				}
			}

			switch (_mode) {
			case kModeNum:
				_currentWord = _currentCode;
				break;
			case kModePre:
				if (!matchWord() && _currentCode.size()) {
					_currentCode.deleteLastChar();
					matchWord();
				}
				_numMatchingWords = countWordsInString(_unitedDict.dictActLine);
				break;
			case kModeAbc:
				for (uint x = 0; x < _currentCode.size(); x++)
					if (_currentCode[x] >= '1')
						_temp[x] = buttons[_currentCode[x] - '1'][_repeatcount[x]];
				_temp[_currentCode.size()] = 0;
				_currentWord = _temp;
			}
		} else if (button == kNextAct) { // next
			if (_mode == kModePre) {
				if (_unitedDict.dictActLine && _numMatchingWords > 1) {
					_wordNumber = (_wordNumber + 1) % _numMatchingWords;
					char tmp[kMaxLineLen];
					strncpy(tmp, _unitedDict.dictActLine, kMaxLineLen);
					tmp[kMaxLineLen - 1] = 0;
					char *tok = strtok(tmp, " ");
					for (uint8 i = 0; i <= _wordNumber; i++)
						tok = strtok(NULL, " ");
					_currentWord = Common::String(tok, _currentCode.size());
				}
			} else if (_mode == kModeAbc) {
				uint x = _currentCode.size();
				if (x) {
					if (_currentCode.lastChar() == '1' || _currentCode.lastChar() == '7' || _currentCode.lastChar() == '9')
						_repeatcount[x - 1] = (_repeatcount[x - 1] + 1) % 4;
					else
						_repeatcount[x - 1] = (_repeatcount[x - 1] + 1) % 3;

					if (_currentCode.lastChar() >= '1')
						_currentWord.setChar(buttons[_currentCode[x - 1] - '1'][_repeatcount[x - 1]], x - 1);
				}
			}
		} else if (button == kAddAct) { // add
			if (_mode == kModeAbc)
				addWordToDict();
			else
				debug(5, "Predictive Dialog: button Add doesn't work in this mode");
		} else if (button == kOkAct) { // Ok
			// bring MRU word at the top of the list when ok'ed out of the dialog
			if (_mode == kModePre && _unitedDict.dictActLine && _numMatchingWords > 1 && _wordNumber != 0)
				bringWordtoTop(_unitedDict.dictActLine, _wordNumber);
		} else if (button == kModeAct) { // Mode
			_mode++;
			_button[kAddAct]->setEnabled(false);
			if (_mode > kModeAbc) {
				_mode = kModePre;
				// I18N: Pre means 'Predictive', leave '*' as is
				_button[kModeAct]->setLabel(_("*  Pre"));
			} else if (_mode == kModeNum) {
				// I18N: 'Num' means Numbers
				_button[kModeAct]->setLabel(_("*  Num"));
			} else {
				// I18N: 'Abc' means Latin alphabet input
				_button[kModeAct]->setLabel(_("*  Abc"));
				_button[kAddAct]->setEnabled(true);
			}

			// truncate current input at mode change
			strncpy(_temp, _currentWord.c_str(), _currentCode.size());
			_temp[_currentCode.size()] = 0;
			_prefix += _temp;
			_currentCode.clear();
			_currentWord.clear();
			memset(_repeatcount, 0, sizeof(_repeatcount));

			_lastTime = 0;
			_lastPressedButton = kNoAct;
			_curTime = 0;
		}
	}

	pressEditText();

	if (button == kOkAct)
		close();

	if (button == kCancelAct) {
		saveUserDictToFile();
		close();
	}
}

void PredictiveDialog::handleTickle() {
	if (_lastTime) {
		if ((_curTime - _lastTime) > kRepeatDelay) {
			_lastTime = 0;
		}
	}

	if (getTickleWidget()) {
		getTickleWidget()->handleTickle();
	}
}

void PredictiveDialog::mergeDicts() {
	_unitedDict.dictLineCount  = _predictiveDict.dictLineCount + _userDict.dictLineCount;
	_unitedDict.dictLine = (char **)calloc(_unitedDict.dictLineCount, sizeof(char *));

	if (!_unitedDict.dictLine) {
		debug(5, "Predictive Dialog: cannot allocate memory for united dic");
		return;
	}

	int lenUserDictCode, lenPredictiveDictCode, lenCode;
	int i, j, k;
	i = j = k = 0;

	while ((i < _userDict.dictLineCount) && (j < _predictiveDict.dictLineCount)) {
		lenUserDictCode = strchr(_userDict.dictLine[i], ' ') - _userDict.dictLine[i];
		lenPredictiveDictCode = strchr(_predictiveDict.dictLine[j], ' ') - _predictiveDict.dictLine[j];
		lenCode = (lenUserDictCode >= lenPredictiveDictCode) ? lenUserDictCode : lenPredictiveDictCode;
		if (strncmp(_userDict.dictLine[i], _predictiveDict.dictLine[j], lenCode) >= 0) {
			_unitedDict.dictLine[k++] = _predictiveDict.dictLine[j++];
		} else {
			_unitedDict.dictLine[k++] = _userDict.dictLine[i++];
		}
	}

	while (i < _userDict.dictLineCount) {
		_unitedDict.dictLine[k++] = _userDict.dictLine[i++];
	}

	while (j < _predictiveDict.dictLineCount) {
		_unitedDict.dictLine[k++] = _predictiveDict.dictLine[j++];
	}
}

uint8 PredictiveDialog::countWordsInString(const char *const str) {
	// Count the number of (space separated) words in the given string.
	const char *ptr;

	if (!str)
		return 0;

	ptr = strchr(str, ' ');
	if (!ptr) {
		debug(5, "Predictive Dialog: Invalid dictionary line");
		return 0;
	}

	uint8 num = 1;
	ptr++;
	while ((ptr = strchr(ptr, ' '))) {
		ptr++;
		num++;
	}
	return num;
}

void PredictiveDialog::bringWordtoTop(char *str, int wordnum) {
	// This function reorders the words on the given pred.dic line
	// by moving the word at position 'wordnum' to the front (that is, right behind
	// right behind the numerical code word at the start of the line).
	Common::Array<Common::String> words;
	char buf[kMaxLineLen];

	if (!str)
		return;
	strncpy(buf, str, kMaxLineLen);
	buf[kMaxLineLen - 1] = 0;
	char *word = strtok(buf, " ");
	if (!word) {
		debug(5, "Predictive Dialog: Invalid dictionary line");
		return;
	}

	words.push_back(word);
	while ((word = strtok(NULL, " ")) != NULL)
		words.push_back(word);
	words.insert_at(1, words.remove_at(wordnum + 1));

	Common::String tmp;
	for (uint8 i = 0; i < words.size(); i++)
		tmp += words[i] + " ";
	tmp.deleteLastChar();
	memcpy(str, tmp.c_str(), strlen(str));
}

int PredictiveDialog::binarySearch(const char *const *const dictLine, const Common::String &code, const int dictLineCount) {
	int hi = dictLineCount - 1;
	int lo = 0;
	int line = 0;
	while (lo <= hi) {
		line = (lo + hi) / 2;
		int cmpVal = strncmp(dictLine[line], code.c_str(), code.size());
		if (cmpVal > 0)
			hi = line - 1;
		else if (cmpVal < 0)
			lo = line + 1;
		else {
			break;
		}
	}

	if (hi < lo) {
		return -(lo + 1);
	} else {
		return line;
	}
}

bool PredictiveDialog::matchWord() {
	// If there is no dictionary, then there is no match.
	if (_unitedDict.dictLineCount <= 0)
		return false;

	// If no text has been entered, then there is no match.
	if (_currentCode.empty())
		return false;

	// If the currently entered text is too long, it cannot match anything.
	if (_currentCode.size() > kMaxWordLen)
		return false;

	// The entries in the dictionary consist of a code, a space, and then
	// a space-separated list of words matching this code.
	// To exactly match a code, we therefore match the code plus the trailing
	// space in the dictionary.
	Common::String code = _currentCode + " ";

	int line = binarySearch(_unitedDict.dictLine, code, _unitedDict.dictLineCount);
	if (line < 0) {
		line = -(line + 1);
		_unitedDict.dictActLine = NULL;
	} else {
		_unitedDict.dictActLine = _unitedDict.dictLine[line];
	}

	_currentWord.clear();
	_wordNumber = 0;
	if (0 == strncmp(_unitedDict.dictLine[line], _currentCode.c_str(), _currentCode.size())) {
		char tmp[kMaxLineLen];
		strncpy(tmp, _unitedDict.dictLine[line], kMaxLineLen);
		tmp[kMaxLineLen - 1] = 0;
		char *tok;
		strtok(tmp, " ");
		tok = strtok(NULL, " ");
		_currentWord = Common::String(tok, _currentCode.size());
		return true;
	} else {
		return false;
	}
}

bool PredictiveDialog::searchWord(const char *const where, const Common::String &whatCode) {
	const char *ptr = where;
	ptr += whatCode.size();

	const char *newPtr;
	bool is = false;
	while ((newPtr = strchr(ptr, ' '))) {
		if (0 == strncmp(ptr, _currentWord.c_str(), newPtr - ptr)) {
			is = true;
			break;
		}
		ptr = newPtr + 1;
	}
	if (!is) {
		if (0 == strcmp(ptr, _currentWord.c_str())) {
			is = true;
		}
	}
	return is;
}

void PredictiveDialog::addWord(Dict &dict, const Common::String &word, const Common::String &code) {
	char *newLine = 0;
	Common::String tmpCode = code + ' ';
	int line = binarySearch(dict.dictLine, tmpCode, dict.dictLineCount);
	if (line >= 0) {
		if (searchWord(dict.dictLine[line], tmpCode)) {
			// if we found code and word, we should not insert/expands any word
			return;
		} else {
			// if we found the code, but did not find a word, we must
			// EXPANDS the currnent line with new word
			int oldLineSize = strlen(dict.dictLine[line]);
			int newLineSize = oldLineSize + word.size() + 1;

			newLine = (char *)malloc(newLineSize + 1);

			char *ptr = newLine;
			strncpy(ptr, dict.dictLine[line], oldLineSize);
			ptr += oldLineSize;
			Common::String tmp = ' ' + word + '\0';
			strncpy(ptr, tmp.c_str(), tmp.size());

			dict.dictLine[line] = newLine;
			_memoryList[_numMemory++] = newLine;

			if (dict.nameDict == "user_dictionary")
				_userDictHasChanged = true;

			return;
		}
	} else { // if we didn't find the code, we need to INSERT new line with code and word
		if (dict.nameDict == "user_dictionary") {
			// if we must INSERT new line(code and word) to user_dictionary, we need to
			// check if there is a line that we want to INSERT in predictive dictionay
			int predictLine = binarySearch(_predictiveDict.dictLine, tmpCode, _predictiveDict.dictLineCount);
			if (predictLine >= 0) {
				if (searchWord(_predictiveDict.dictLine[predictLine], tmpCode)) {
					// if code and word is in predictive dictionary, we need to copy
					// this line to user dictionary
					int len = (predictLine == _predictiveDict.dictLineCount - 1) ? &_predictiveDict.dictText[_predictiveDict.dictTextSize] - _predictiveDict.dictLine[predictLine] :
					          _predictiveDict.dictLine[predictLine + 1] - _predictiveDict.dictLine[predictLine];
					newLine = (char *)malloc(len);
					strncpy(newLine, _predictiveDict.dictLine[predictLine], len);
				} else {
					// if there is no word in predictive dictionary, we need to copy to
					// user dictionary mathed line + new word.
					int len = (predictLine == _predictiveDict.dictLineCount - 1) ? &_predictiveDict.dictText[_predictiveDict.dictTextSize] - _predictiveDict.dictLine[predictLine] :
					          _predictiveDict.dictLine[predictLine + 1] - _predictiveDict.dictLine[predictLine];
					newLine = (char *)malloc(len + word.size() + 1);
					char *ptr = newLine;
					strncpy(ptr, _predictiveDict.dictLine[predictLine], len);
					ptr[len - 1] = ' ';
					ptr += len;
					strncpy(ptr, word.c_str(), word.size());
					ptr[len + word.size()] = '\0';
				}
			} else {
				// if we didnt find line in predictive dialog, we should copy to user dictionary
				// code + word
				Common::String tmp;
				tmp = tmpCode + word + '\0';
				newLine = (char *)malloc(tmp.size());
				strncpy(newLine, tmp.c_str(), tmp.size());
			}
		} else {
			// if want to insert line to different from user dictionary, we should copy to this
			// dictionary code + word
			Common::String tmp;
			tmp = tmpCode + word + '\0';
			newLine = (char *)malloc(tmp.size());
			strncpy(newLine, tmp.c_str(), tmp.size());
		}
	}

	// start from here are INSERTING new line to dictionaty ( dict )
	char **newDictLine = (char **)calloc(dict.dictLineCount + 1, sizeof(char *));
	if (!newDictLine) {
		warning("Predictive Dialog: cannot allocate memory for index buffer");

		free(newLine);

		return;
	}

	int k = 0;
	bool inserted = false;
	for (int i = 0; i < dict.dictLineCount; i++) {
		uint lenPredictiveDictCode = strchr(dict.dictLine[i], ' ') - dict.dictLine[i];
		uint lenCode = (lenPredictiveDictCode >= (code.size() - 1)) ? lenPredictiveDictCode : code.size() - 1;
		if ((strncmp(dict.dictLine[i], code.c_str(), lenCode) > 0) && !inserted) {
			newDictLine[k++] = newLine;
			inserted = true;
		}
		if (k != (dict.dictLineCount + 1)) {
			newDictLine[k++] = dict.dictLine[i];
		}
	}
	if (!inserted)
		newDictLine[k] = newLine;

	_memoryList[_numMemory++] = newLine;

	free(dict.dictLine);
	dict.dictLineCount += 1;
	dict.dictLine = (char **)calloc(dict.dictLineCount, sizeof(char *));
	if (!dict.dictLine) {
		warning("Predictive Dialog: cannot allocate memory for index buffer");
		free(newDictLine);
		return;
	}

	for (int i = 0; i < dict.dictLineCount; i++) {
		dict.dictLine[i] = newDictLine[i];
	}

	if (dict.nameDict == "user_dictionary")
		_userDictHasChanged = true;

	free(newDictLine);
}

void PredictiveDialog::addWordToDict() {
	if (_numMemory < kMaxWord) {
		addWord(_unitedDict, _currentWord, _currentCode);
		addWord(_userDict, _currentWord, _currentCode);
	} else {
		warning("Predictive Dialog: You cannot add word to user dictionary...");
	}
}

void PredictiveDialog::loadDictionary(Common::SeekableReadStream *in, Dict &dict) {
	int lines = 0;

	uint32 time1 = g_system->getMillis();

	dict.dictTextSize = in->size();
	dict.dictText = (char *)malloc(dict.dictTextSize + 1);

	if (!dict.dictText) {
		warning("Predictive Dialog: Not enough memory to load the file user.dic");
		return;
	}

	in->read(dict.dictText, dict.dictTextSize);
	dict.dictText[dict.dictTextSize] = 0;
	uint32 time2 = g_system->getMillis();
	debug(5, "Predictive Dialog: Time to read %s: %d bytes, %d ms", ConfMan.get(dict.nameDict).c_str(), dict.dictTextSize, time2 - time1);
	delete in;

	char *ptr = dict.dictText;
	lines = 1;
	while ((ptr = strchr(ptr, '\n'))) {
		lines++;
		ptr++;
	}

	dict.dictLine = (char **)calloc(lines, sizeof(char *));
	if (dict.dictLine == NULL) {
		warning("Predictive Dialog: Cannot allocate memory for line index buffer");
		return;
	}
	dict.dictLine[0] = dict.dictText;
	ptr = dict.dictText;
	int i = 1;
	while ((ptr = strchr(ptr, '\n'))) {
		*ptr = 0;
		ptr++;
#ifdef __DS__
		// Pass the line on to the DS word list
		DS::addAutoCompleteLine(dict.dictLine[i - 1]);
#endif
		dict.dictLine[i++] = ptr;
	}
	if (dict.dictLine[lines - 1][0] == 0)
		lines--;

	dict.dictLineCount = lines;
	debug(5, "Predictive Dialog: Loaded %d lines", dict.dictLineCount);

	// FIXME: We use binary search on _predictiveDict.dictLine, yet we make no at_tempt
	// to ever sort this array (except for the DS port). That seems risky, doesn't it?

#ifdef __DS__
	// Sort the DS word completion list, to allow for a binary chop later (in the ds backend)
	DS::sortAutoCompleteWordList();
#endif

	uint32 time3 = g_system->getMillis();
	debug(5, "Predictive Dialog: Time to parse %s: %d, total: %d", ConfMan.get(dict.nameDict).c_str(), time3 - time2, time3 - time1);
}

void PredictiveDialog::loadAllDictionary(Dict &dict) {
	ConfMan.registerDefault(dict.nameDict, dict.defaultFilename);

	if (dict.nameDict == "predictive_dictionary") {
		Common::File *inFile = new Common::File();
		if (!inFile->open(ConfMan.get(dict.nameDict))) {
			warning("Predictive Dialog: cannot read file: %s", dict.defaultFilename.c_str());
			delete inFile;
			return;
		}
		loadDictionary(inFile, dict);
	} else {
		Common::InSaveFile *inFile = g_system->getSavefileManager()->openForLoading(ConfMan.get(dict.nameDict));
		if (!inFile) {
			warning("Predictive Dialog: cannot read file: %s", dict.defaultFilename.c_str());
			return;
		}
		loadDictionary(inFile, dict);
	}
}

void PredictiveDialog::pressEditText() {
	Common::strlcpy(_predictiveResult, _prefix.c_str(), sizeof(_predictiveResult));
	Common::strlcat(_predictiveResult, _currentWord.c_str(), sizeof(_predictiveResult));
	_editText->setEditString(_predictiveResult);
	//_editText->setCaretPos(_prefix.size() + _currentWord.size());
	_editText->draw();
}

} // namespace GUI