aboutsummaryrefslogtreecommitdiff
path: root/gui/ThemeEngine.cpp
blob: 9e0820b1c61d591a52c16a92798df69a1aff264e (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
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
/* 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.
 *
 * $URL$
 * $Id$
 *
 */

#include "common/util.h"
#include "common/system.h"
#include "common/events.h"
#include "common/config-manager.h"
#include "common/file.h"
#include "common/fs.h"
#include "common/unzip.h"

#include "graphics/surface.h"
#include "graphics/colormasks.h"
#include "graphics/imagedec.h"
#include "graphics/cursorman.h"
#include "graphics/VectorRenderer.h"

#include "gui/launcher.h"
#include "gui/ThemeEngine.h"
#include "gui/ThemeEval.h"
#include "gui/ThemeParser.h"
#include "gui/ThemeData.h"

#ifdef MACOSX
#include <CoreFoundation/CoreFoundation.h>
#endif

#define GUI_ENABLE_BUILTIN_THEME

namespace GUI {

/**********************************************************
 *	ThemeEngine class
 *********************************************************/
ThemeEngine::ThemeEngine(Common::String id, GraphicsMode mode) :
	_system(0), _vectorRenderer(0),
	_buffering(false), _bytesPerPixel(0),  _graphicsMode(kGfxDisabled),
	_font(0), _initOk(false), _themeOk(false), _enabled(false), _cursor(0) {

	_system = g_system;
	_parser = new ThemeParser(this);
	_themeEval = new GUI::ThemeEval();

	_useCursor = false;

	for (int i = 0; i < kDrawDataMAX; ++i) {
		_widgets[i] = 0;
	}

	for (int i = 0; i < kTextDataMAX; ++i) {
		_texts[i] = 0;
	}

	// We currently allow two different ways of theme selection in our config file:
	// 1) Via full path
	// 2) Via a basename, which will need to be translated into a full path
	// This function assures we have a correct path to pass to the ThemeEngine
	// constructor.
	_themeFile = getThemeFile(id);
	// We will use getThemeId to retrive the theme id from the given filename
	// here, since the user could have passed a fixed filename as 'id'.
	_themeId = getThemeId(_themeFile);

	_graphicsMode = mode;
	_themeArchive = 0;
	_initOk = false;
}

ThemeEngine::~ThemeEngine() {
	delete _vectorRenderer;
	_vectorRenderer = 0;
	_screen.free();
	_backBuffer.free();

	unloadTheme();

	// Release all graphics surfaces
	for (ImagesMap::iterator i = _bitmaps.begin(); i != _bitmaps.end(); ++i) {
		Graphics::Surface *surf = i->_value;
		if (surf) {
			surf->free();
			delete surf;
		}
	}
	_bitmaps.clear();

	delete _parser;
	delete _themeEval;
	delete[] _cursor;
	delete _themeArchive;
}



/**********************************************************
 *	Rendering mode management
 *********************************************************/
const ThemeEngine::Renderer ThemeEngine::_rendererModes[] = {
	{ "Disabled GFX", "none", kGfxDisabled },
	{ "Standard Renderer (16bpp)", "normal_16bpp", kGfxStandard16bit },
#ifndef DISABLE_FANCY_THEMES
	{ "Antialiased Renderer (16bpp)", "aa_16bpp", kGfxAntialias16bit }
#endif
};

const uint ThemeEngine::_rendererModesSize = ARRAYSIZE(ThemeEngine::_rendererModes);

const ThemeEngine::GraphicsMode ThemeEngine::_defaultRendererMode =
#ifndef DISABLE_FANCY_THEMES
	ThemeEngine::kGfxAntialias16bit;
#else
	ThemeEngine::kGfxStandard16bit;
#endif

ThemeEngine::GraphicsMode ThemeEngine::findMode(const Common::String &cfg) {
	for (uint i = 0; i < _rendererModesSize; ++i) {
		if (cfg.equalsIgnoreCase(_rendererModes[i].cfg))
			return _rendererModes[i].mode;
	}

	return kGfxDisabled;
}

const char *ThemeEngine::findModeConfigName(GraphicsMode mode) {
	for (uint i = 0; i < _rendererModesSize; ++i) {
		if (mode == _rendererModes[i].mode)
			return _rendererModes[i].cfg;
	}

	return findModeConfigName(kGfxDisabled);
}





/**********************************************************
 *	Theme setup/initialization
 *********************************************************/
bool ThemeEngine::init() {
	// reset everything and reload the graphics
	_initOk = false;
	setGraphicsMode(_graphicsMode);

	if (_screen.pixels && _backBuffer.pixels) {
		_initOk = true;
	}

	// TODO: Instead of hard coding the font here, it should be possible
	// to specify the fonts to be used for each resolution in the theme XML.
	if (_screen.w >= 400 && _screen.h >= 300) {
		_font = FontMan.getFontByUsage(Graphics::FontManager::kBigGUIFont);
	} else {
		_font = FontMan.getFontByUsage(Graphics::FontManager::kGUIFont);
	}

	// Try to create a Common::Archive with the files of the theme.
	if (!_themeArchive && !_themeFile.empty()) {
		Common::FSNode node(_themeFile);
		if (node.getName().hasSuffix(".zip") && !node.isDirectory()) {
#ifdef USE_ZLIB
			Common::ZipArchive *zipArchive = new Common::ZipArchive(node);
	
			if (!zipArchive || !zipArchive->isOpen()) {
				delete zipArchive;
				zipArchive = 0;
				warning("Failed to open Zip archive '%s'.", node.getPath().c_str());
			}
			_themeArchive = zipArchive;
#else
			warning("Trying to load theme '%s' in a Zip archive without zLib support", _themeFile.c_str());
			return false;
#endif
		} else if (node.isDirectory()) {
			_themeArchive = new Common::FSDirectory(node);
		}
	}
	
	// Load the theme
	// We pass the theme file here by default, so the user will
	// have a descriptive error message. The only exception will
	// be the builtin theme which has no filename.
	loadTheme(_themeFile.empty() ? _themeId : _themeFile);

	return ready();
}

void ThemeEngine::clearAll() {
	if (_initOk) {
		_system->clearOverlay();
		_system->grabOverlay((OverlayColor *)_screen.pixels, _screen.w);
	}
}

void ThemeEngine::refresh() {
	init();
	if (_enabled) {
		_system->showOverlay();

		if (_useCursor) {
			CursorMan.replaceCursorPalette(_cursorPal, 0, MAX_CURS_COLORS);
			CursorMan.replaceCursor(_cursor, _cursorWidth, _cursorHeight, _cursorHotspotX, _cursorHotspotY, 255, _cursorTargetScale);
		}
	}
}

void ThemeEngine::enable() {
	if (_enabled)
		return;

	if (_useCursor) {
		CursorMan.pushCursorPalette(_cursorPal, 0, MAX_CURS_COLORS);
		CursorMan.pushCursor(_cursor, _cursorWidth, _cursorHeight, _cursorHotspotX, _cursorHotspotY, 255, _cursorTargetScale);
		CursorMan.showMouse(true);
	}

	_system->showOverlay();
	clearAll();
	_enabled = true;
}

void ThemeEngine::disable() {
	if (!_enabled)
		return;

	_system->hideOverlay();

	if (_useCursor) {
		CursorMan.popCursorPalette();
		CursorMan.popCursor();
	}

	_enabled = false;
}

void ThemeEngine::setGraphicsMode(GraphicsMode mode) {
	switch (mode) {
	case kGfxStandard16bit:
#ifndef DISABLE_FANCY_THEMES
	case kGfxAntialias16bit:
#endif
		_bytesPerPixel = sizeof(uint16);
		break;

	default:
		error("Invalid graphics mode");
	}

	uint32 width = _system->getOverlayWidth();
	uint32 height = _system->getOverlayHeight();

	_backBuffer.free();
	_backBuffer.create(width, height, _bytesPerPixel);

	_screen.free();
	_screen.create(width, height, _bytesPerPixel);

	delete _vectorRenderer;
	_vectorRenderer = Graphics::createRenderer(mode);
	_vectorRenderer->setSurface(&_screen);
}

bool ThemeEngine::isWidgetCached(DrawData type, const Common::Rect &r) {
	return _widgets[type] && _widgets[type]->_cached &&
		_widgets[type]->_surfaceCache->w == r.width() &&
		_widgets[type]->_surfaceCache->h == r.height();
}

void ThemeEngine::drawCached(DrawData type, const Common::Rect &r) {
	assert(_widgets[type]->_surfaceCache->bytesPerPixel == _screen.bytesPerPixel);
	_vectorRenderer->blitSurface(_widgets[type]->_surfaceCache, r);
}

void ThemeEngine::calcBackgroundOffset(DrawData type) {
	uint maxShadow = 0;
	for (Common::List<Graphics::DrawStep>::const_iterator step = _widgets[type]->_steps.begin();
		step != _widgets[type]->_steps.end(); ++step) {
		if ((step->autoWidth || step->autoHeight) && step->shadow > maxShadow)
			maxShadow = step->shadow;

		if (step->drawingCall == &Graphics::VectorRenderer::drawCallback_BEVELSQ && step->bevel > maxShadow)
			maxShadow = step->bevel;
	}

	_widgets[type]->_backgroundOffset = maxShadow;
}

void ThemeEngine::restoreBackground(Common::Rect r) {
	r.clip(_screen.w, _screen.h);
	_vectorRenderer->blitSurface(&_backBuffer, r);
}



/**********************************************************
 *	Theme elements management
 *********************************************************/
void ThemeEngine::addDrawStep(const Common::String &drawDataId, const Graphics::DrawStep &step) {
	DrawData id = getDrawDataId(drawDataId);

	assert(_widgets[id] != 0);
	_widgets[id]->_steps.push_back(step);
}

bool ThemeEngine::addTextData(const Common::String &drawDataId, const Common::String &textDataId, Graphics::TextAlign alignH, TextAlignVertical alignV) {
	DrawData id = getDrawDataId(drawDataId);
	TextData textId = getTextDataId(textDataId);

	if (id == -1 || textId == -1 || !_widgets[id])
		return false;

	_widgets[id]->_textDataId = textId;
	_widgets[id]->_textAlignH = alignH;
	_widgets[id]->_textAlignV = alignV;

	return true;
}

bool ThemeEngine::addFont(const Common::String &fontId, const Common::String &file, int r, int g, int b) {
	TextData textId = getTextDataId(fontId);

	if (textId == -1)
		return false;

	if (_texts[textId] != 0)
		delete _texts[textId];

	_texts[textId] = new TextDrawData;

	if (file == "default") {
		_texts[textId]->_fontPtr = _font;
	} else {
		_texts[textId]->_fontPtr = FontMan.getFontByName(file);

		if (!_texts[textId]->_fontPtr) {
			_texts[textId]->_fontPtr = loadFont(file);

			if (!_texts[textId]->_fontPtr)
				error("Couldn't load %s font '%s'", fontId.c_str(), file.c_str());

			FontMan.assignFontToName(file, _texts[textId]->_fontPtr);
		}
	}

	_texts[textId]->_color.r = r;
	_texts[textId]->_color.g = g;
	_texts[textId]->_color.b = b;
	return true;

}

bool ThemeEngine::addBitmap(const Common::String &filename) {
	// Nothing has to be done if the bitmap already has been loaded.
	Graphics::Surface *surf = _bitmaps[filename];
	if (surf)
		return true;

	// If not, try to load the bitmap via the ImageDecoder class.
	surf = Graphics::ImageDecoder::loadFile(filename);
	if (!surf && _themeArchive) {
		Common::SeekableReadStream *stream = _themeArchive->openFile(filename);
		if (stream) {
			surf = Graphics::ImageDecoder::loadFile(*stream);
			delete stream;
		}
	}

	// Store the surface into our hashmap (attention, may store NULL entries!)
	_bitmaps[filename] = surf;

	return surf != 0;
}

bool ThemeEngine::addDrawData(const Common::String &data, bool cached) {
	DrawData data_id = getDrawDataId(data);

	if (data_id == -1)
		return false;

	if (_widgets[data_id] != 0)
		delete _widgets[data_id];

	_widgets[data_id] = new WidgetDrawData;
	_widgets[data_id]->_cached = cached;
	_widgets[data_id]->_buffer = kDrawDataDefaults[data_id].buffer;
	_widgets[data_id]->_surfaceCache = 0;
	_widgets[data_id]->_textDataId = -1;

	return true;
}


/**********************************************************
 *	Theme XML loading
 *********************************************************/
void ThemeEngine::loadTheme(const Common::String &themeId) {
	unloadTheme();

	if (themeId == "builtin") {
		_themeOk = loadDefaultXML();
	} else {
		// Load the archive containing image and XML data
		_themeOk = loadThemeXML(themeId);
	}
	
	if (!_themeOk) {
		warning("Failed to load theme '%s'", themeId.c_str());
		return;
	}

	for (int i = 0; i < kDrawDataMAX; ++i) {
		if (_widgets[i] == 0) {
			warning("Missing data asset: '%s'", kDrawDataDefaults[i].name);
		} else {
			calcBackgroundOffset((DrawData)i);

			// TODO: draw the cached widget to the cache surface
			if (_widgets[i]->_cached) {}
		}
	}
}

void ThemeEngine::unloadTheme() {
	if (!_themeOk)
		return;

	for (int i = 0; i < kDrawDataMAX; ++i) {
		delete _widgets[i];
		_widgets[i] = 0;
	}

	for (int i = 0; i < kTextDataMAX; ++i) {
		delete _texts[i];
		_texts[i] = 0;
	}

	_themeEval->reset();
	_themeOk = false;
}

bool ThemeEngine::loadDefaultXML() {

	// The default XML theme is included on runtime from a pregenerated
	// file inside the themes directory.
	// Use the Python script "makedeftheme.py" to convert a normal XML theme
	// into the "default.inc" file, which is ready to be included in the code.
#ifdef GUI_ENABLE_BUILTIN_THEME
	const char *defaultXML =
#include "themes/default.inc"
	;

	if (!_parser->loadBuffer((const byte*)defaultXML, strlen(defaultXML), false))
		return false;

	_themeName = "ScummVM Classic Theme (Builtin Version)";
	_themeId = "builtin";
	_themeFile.clear();

	bool result = _parser->parse();
	_parser->close();

	return result;
#else
	warning("The built-in theme is not enabled in the current build. Please load an external theme");
	return false;
#endif
}

bool ThemeEngine::loadThemeXML(const Common::String &themeId) {
	assert(_parser);
	assert(_themeArchive);

	_themeName.clear();


	//
	// Now that we have a Common::Archive, verify that it contains a valid THEMERC File
	//
	Common::File themercFile;
	themercFile.open("THEMERC", *_themeArchive);
	if (!themercFile.isOpen()) {
		warning("Theme '%s' contains no 'THEMERC' file.", themeId.c_str());
		return false;
	}

	Common::String stxHeader = themercFile.readLine();
	if (!themeConfigParseHeader(stxHeader, _themeName) || _themeName.empty()) {
		warning("Corrupted 'THEMERC' file in theme '%s'", themeId.c_str());
		return false;
	}

	Common::ArchiveMemberList members;
	if (0 == _themeArchive->listMatchingMembers(members, "*.stx")) {
		warning("Found no STX files for theme '%s'.", themeId.c_str());
		return false;
	}

	//
	// Loop over all STX files, load and parse them
	//
	for (Common::ArchiveMemberList::iterator i = members.begin(); i != members.end(); ++i) {
		assert((*i)->getName().hasSuffix(".stx"));

		if (_parser->loadStream((*i)->open()) == false) {
			warning("Failed to load STX file '%s'", (*i)->getDisplayName().c_str());
			_parser->close();
			return false;
		}

		if (_parser->parse() == false) {
			warning("Failed to parse STX file '%s'", (*i)->getDisplayName().c_str());
			_parser->close();
			return false;
		}

		_parser->close();
	}

	assert(!_themeName.empty());
	return true;
}



/**********************************************************
 *	Drawing Queue management
 *********************************************************/
void ThemeEngine::queueDD(DrawData type, const Common::Rect &r, uint32 dynamic) {
	if (_widgets[type] == 0)
		return;

	Common::Rect area = r;
	area.clip(_screen.w, _screen.h);

	ThemeItemDrawData *q = new ThemeItemDrawData(this, _widgets[type], area, dynamic);

	if (_buffering) {
		if (_widgets[type]->_buffer) {
			_bufferQueue.push_back(q);
		} else {
			if (kDrawDataDefaults[type].parent != kDDNone && kDrawDataDefaults[type].parent != type)
				queueDD(kDrawDataDefaults[type].parent, r);

			_screenQueue.push_back(q);
		}
	} else {
		q->drawSelf(!_widgets[type]->_buffer, _widgets[type]->_buffer);
		delete q;
	}
}

void ThemeEngine::queueDDText(TextData type, const Common::Rect &r, const Common::String &text, bool restoreBg,
	bool ellipsis, Graphics::TextAlign alignH, TextAlignVertical alignV, int deltax) {

	if (_texts[type] == 0)
		return;

	Common::Rect area = r;
	area.clip(_screen.w, _screen.h);

	ThemeItemTextData *q = new ThemeItemTextData(this, _texts[type], area, text, alignH, alignV, ellipsis, restoreBg, deltax);

	if (_buffering) {
		_screenQueue.push_back(q);
	} else {
		q->drawSelf(true, false);
		delete q;
	}
}

void ThemeEngine::queueBitmap(const Graphics::Surface *bitmap, const Common::Rect &r, bool alpha) {

	Common::Rect area = r;
	area.clip(_screen.w, _screen.h);

	ThemeItemBitmap *q = new ThemeItemBitmap(this, area, bitmap, alpha);

	if (_buffering) {
		_bufferQueue.push_back(q);
	} else {
		q->drawSelf(true, false);
		delete q;
	}
}



/**********************************************************
 *	Widget drawing functions
 *********************************************************/
void ThemeEngine::drawButton(const Common::Rect &r, const Common::String &str, WidgetStateInfo state, uint16 hints) {
	if (!ready())
		return;

	DrawData dd = kDDButtonIdle;

	if (state == kStateEnabled)
		dd = kDDButtonIdle;
	else if (state == kStateHighlight)
		dd = kDDButtonHover;
	else if (state == kStateDisabled)
		dd = kDDButtonDisabled;

	queueDD(dd, r);
	queueDDText(getTextData(dd), r, str, false, false, _widgets[dd]->_textAlignH, _widgets[dd]->_textAlignV);
}

void ThemeEngine::drawLineSeparator(const Common::Rect &r, WidgetStateInfo state) {
	if (!ready())
		return;

	queueDD(kDDSeparator, r);
}

void ThemeEngine::drawCheckbox(const Common::Rect &r, const Common::String &str, bool checked, WidgetStateInfo state) {
	if (!ready())
		return;

	Common::Rect r2 = r;
	DrawData dd = kDDCheckboxDefault;

	if (checked)
		dd = kDDCheckboxSelected;

	if (state == kStateDisabled)
		dd = kDDCheckboxDisabled;

	TextData td = (state == kStateHighlight) ? kTextDataHover : getTextData(dd);
	const int checkBoxSize = MIN((int)r.height(), getFontHeight());

	r2.bottom = r2.top + checkBoxSize;
	r2.right = r2.left + checkBoxSize;

	queueDD(dd, r2);

	r2.left = r2.right + checkBoxSize;
	r2.right = r.right;

	queueDDText(td, r2, str, false, false, _widgets[kDDCheckboxDefault]->_textAlignH, _widgets[dd]->_textAlignV);
}

void ThemeEngine::drawSlider(const Common::Rect &r, int width, WidgetStateInfo state) {
	if (!ready())
		return;

	DrawData dd = kDDSliderFull;

	if (state == kStateHighlight)
		dd = kDDSliderHover;
	else if (state == kStateDisabled)
		dd = kDDSliderDisabled;

	Common::Rect r2 = r;
	r2.setWidth(MIN((int16)width, r.width()));
//	r2.top++; r2.bottom--; r2.left++; r2.right--;

	drawWidgetBackground(r, 0, kWidgetBackgroundSlider, kStateEnabled);

	queueDD(dd, r2);
}

void ThemeEngine::drawScrollbar(const Common::Rect &r, int sliderY, int sliderHeight, ScrollbarState scrollState, WidgetStateInfo state) {
	if (!ready())
		return;

	queueDD(kDDScrollbarBase, r);

	Common::Rect r2 = r;
	const int buttonExtra = (r.width() * 120) / 100;

	r2.bottom = r2.top + buttonExtra;
	queueDD(scrollState == kScrollbarStateUp ? kDDScrollbarButtonHover : kDDScrollbarButtonIdle, r2, Graphics::VectorRenderer::kTriangleUp);

	r2.translate(0, r.height() - r2.height());
	queueDD(scrollState == kScrollbarStateDown ? kDDScrollbarButtonHover : kDDScrollbarButtonIdle, r2, Graphics::VectorRenderer::kTriangleDown);

	r2 = r;
	r2.left += 1;
	r2.right -= 1;
	r2.top += sliderY;
	r2.bottom = r2.top + sliderHeight - 1;

	r2.top += r.width() / 5;
	r2.bottom -= r.width() / 5;
	queueDD(scrollState == kScrollbarStateSlider ? kDDScrollbarHandleHover : kDDScrollbarHandleIdle, r2);
}

void ThemeEngine::drawDialogBackground(const Common::Rect &r, DialogBackground bgtype, WidgetStateInfo state) {
	if (!ready())
		return;

	switch (bgtype) {
		case kDialogBackgroundMain:
			queueDD(kDDMainDialogBackground, r);
			break;

		case kDialogBackgroundSpecial:
			queueDD(kDDSpecialColorBackground, r);
			break;

		case kDialogBackgroundPlain:
			queueDD(kDDPlainColorBackground, r);
			break;

		case kDialogBackgroundDefault:
			queueDD(kDDDefaultBackground, r);
			break;
	}
}

void ThemeEngine::drawCaret(const Common::Rect &r, bool erase, WidgetStateInfo state) {
	if (!ready())
		return;

	if (erase) {
		restoreBackground(r);
		addDirtyRect(r);
	} else
		queueDD(kDDCaret, r);
}

void ThemeEngine::drawPopUpWidget(const Common::Rect &r, const Common::String &sel, int deltax, WidgetStateInfo state, Graphics::TextAlign align) {
	if (!ready())
		return;

	DrawData dd = kDDPopUpIdle;

	if (state == kStateEnabled)
		dd = kDDPopUpIdle;
	else if (state == kStateHighlight)
		dd = kDDPopUpHover;
	else if (state == kStateDisabled)
		dd = kDDPopUpDisabled;

	queueDD(dd, r);

	if (!sel.empty()) {
		Common::Rect text(r.left, r.top, r.right - 16, r.bottom);
		queueDDText(getTextData(dd), text, sel, true, false, _widgets[dd]->_textAlignH, _widgets[dd]->_textAlignV, deltax);
	}
}

void ThemeEngine::drawSurface(const Common::Rect &r, const Graphics::Surface &surface, WidgetStateInfo state, int alpha, bool themeTrans) {
	if (!ready())
		return;

	queueBitmap(&surface, r, themeTrans);
}

void ThemeEngine::drawWidgetBackground(const Common::Rect &r, uint16 hints, WidgetBackground background, WidgetStateInfo state) {
	if (!ready())
		return;

	switch (background) {
	case kWidgetBackgroundBorderSmall:
		queueDD(kDDWidgetBackgroundSmall, r);
		break;

	case kWidgetBackgroundEditText:
		queueDD(kDDWidgetBackgroundEditText, r);
		break;

	case kWidgetBackgroundSlider:
		queueDD(kDDWidgetBackgroundSlider, r);
		break;

	default:
		queueDD(kDDWidgetBackgroundDefault, r);
		break;
	}
}

void ThemeEngine::drawTab(const Common::Rect &r, int tabHeight, int tabWidth, const Common::Array<Common::String> &tabs, int active, uint16 hints, int titleVPad, WidgetStateInfo state) {
	if (!ready())
		return;

	const int tabOffset = 2;
	tabWidth -= tabOffset;

	queueDD(kDDTabBackground, Common::Rect(r.left, r.top, r.right, r.top + tabHeight));

	for (int i = 0; i < (int)tabs.size(); ++i) {
		if (i == active)
			continue;

		Common::Rect tabRect(r.left + i * (tabWidth + tabOffset), r.top, r.left + i * (tabWidth + tabOffset) + tabWidth, r.top + tabHeight);
		queueDD(kDDTabInactive, tabRect);
		queueDDText(getTextData(kDDTabInactive), tabRect, tabs[i], false, false, _widgets[kDDTabInactive]->_textAlignH, _widgets[kDDTabInactive]->_textAlignV);
	}

	if (active >= 0) {
		Common::Rect tabRect(r.left + active * (tabWidth + tabOffset), r.top, r.left + active * (tabWidth + tabOffset) + tabWidth, r.top + tabHeight);
		const uint16 tabLeft = active * (tabWidth + tabOffset);
		const uint16 tabRight =  MAX(r.right - tabRect.right, 0);
		queueDD(kDDTabActive, tabRect, (tabLeft << 16) | (tabRight & 0xFFFF));
		queueDDText(getTextData(kDDTabActive), tabRect, tabs[active], false, false, _widgets[kDDTabActive]->_textAlignH, _widgets[kDDTabActive]->_textAlignV);
	}
}

void ThemeEngine::drawText(const Common::Rect &r, const Common::String &str, WidgetStateInfo state, Graphics::TextAlign align, bool inverted, int deltax, bool useEllipsis, FontStyle font) {
	if (!ready())
		return;

	if (inverted) {
		queueDD(kDDTextSelectionBackground, r);
		queueDDText(kTextDataInverted, r, str, false, useEllipsis, align, kTextAlignVCenter, deltax);
		return;
	}

	switch (font) {
		case kFontStyleNormal:
			queueDDText(kTextDataNormalFont, r, str, true, useEllipsis, align, kTextAlignVCenter, deltax);
			return;

		default:
			break;
	}

	switch (state) {
		case kStateDisabled:
			queueDDText(kTextDataDisabled, r, str, true, useEllipsis, align, kTextAlignVCenter, deltax);
			return;

		case kStateHighlight:
			queueDDText(kTextDataHover, r, str, true, useEllipsis, align, kTextAlignVCenter, deltax);
			return;

		case kStateEnabled:
			queueDDText(kTextDataDefault, r, str, true, useEllipsis, align, kTextAlignVCenter, deltax);
			return;
	}
}

void ThemeEngine::drawChar(const Common::Rect &r, byte ch, const Graphics::Font *font, WidgetStateInfo state) {
	if (!ready())
		return;

	Common::Rect charArea = r;
	charArea.clip(_screen.w, _screen.h);

	Graphics::PixelFormat format = _system->getOverlayFormat();
	uint32 color = Graphics::RGBToColor(_texts[kTextDataDefault]->_color.r, _texts[kTextDataDefault]->_color.g, _texts[kTextDataDefault]->_color.b, format);

	restoreBackground(charArea);
	font->drawChar(&_screen, ch, charArea.left, charArea.top, color);
	addDirtyRect(charArea);
}

void ThemeEngine::debugWidgetPosition(const char *name, const Common::Rect &r) {
	_font->drawString(&_screen, name, r.left, r.top, r.width(), 0xFFFF, Graphics::kTextAlignRight, 0, true);
	_screen.hLine(r.left, r.top, r.right, 0xFFFF);
	_screen.hLine(r.left, r.bottom, r.right, 0xFFFF);
	_screen.vLine(r.left, r.top, r.bottom, 0xFFFF);
	_screen.vLine(r.right, r.top, r.bottom, 0xFFFF);
}



/**********************************************************
 *	Screen/overlay management
 *********************************************************/
void ThemeEngine::updateScreen() {
	if (!_bufferQueue.empty()) {
		_vectorRenderer->setSurface(&_backBuffer);

		for (Common::List<ThemeItem*>::iterator q = _bufferQueue.begin(); q != _bufferQueue.end(); ++q) {
			(*q)->drawSelf(true, false);
			delete *q;
		}

		_vectorRenderer->setSurface(&_screen);
		memcpy(_screen.getBasePtr(0,0), _backBuffer.getBasePtr(0,0), _screen.pitch * _screen.h);
		_bufferQueue.clear();
	}

	if (!_screenQueue.empty()) {
		_vectorRenderer->disableShadows();
		for (Common::List<ThemeItem*>::iterator q = _screenQueue.begin(); q != _screenQueue.end(); ++q) {
			(*q)->drawSelf(true, false);
			delete *q;
		}

		_vectorRenderer->enableShadows();
		_screenQueue.clear();
	}

	renderDirtyScreen();
}

void ThemeEngine::renderDirtyScreen() {
	if (_dirtyScreen.empty())
		return;

	Common::List<Common::Rect>::const_iterator i, j;
	for (i = _dirtyScreen.begin(); i != _dirtyScreen.end(); ++i) {
		for (j = i; j != _dirtyScreen.end(); ++j)
			if (j != i && i->contains(*j))
				j = _dirtyScreen.reverse_erase(j);

		_vectorRenderer->copyFrame(_system, *i);
	}

	_dirtyScreen.clear();
}

void ThemeEngine::openDialog(bool doBuffer, ShadingStyle style) {
	if (doBuffer)
		_buffering = true;

	if (style != kShadingNone) {
		_vectorRenderer->applyScreenShading(style);
		addDirtyRect(Common::Rect(0, 0, _screen.w, _screen.h));
	}

	memcpy(_backBuffer.getBasePtr(0,0), _screen.getBasePtr(0,0), _screen.pitch * _screen.h);
	_vectorRenderer->setSurface(&_screen);
}

bool ThemeEngine::createCursor(const Common::String &filename, int hotspotX, int hotspotY, int scale) {
	if (!_system->hasFeature(OSystem::kFeatureCursorHasPalette))
		return true;

	// Try to locate the specified file among all loaded bitmaps
	const Graphics::Surface *cursor = _bitmaps[filename];
	if (!cursor)
		return false;

	// Set up the cursor parameters
	_cursorHotspotX = hotspotX;
	_cursorHotspotY = hotspotY;
	_cursorTargetScale = scale;

	_cursorWidth = cursor->w;
	_cursorHeight = cursor->h;

	// Allocate a new buffer for the cursor
	delete[] _cursor;
	_cursor = new byte[_cursorWidth * _cursorHeight];
	assert(_cursor);
	memset(_cursor, 0xFF, sizeof(byte) * _cursorWidth * _cursorHeight);

	// Now, scan the bitmap. We have to convert it from 16 bit color mode
	// to 8 bit mode, and have to create a suitable palette on the fly.
	uint colorsFound = 0;
	Common::HashMap<int, int>	colorToIndex;
	const OverlayColor *src = (const OverlayColor*)cursor->pixels;
	Graphics::PixelFormat format = _system->getOverlayFormat();
	for (uint y = 0; y < _cursorHeight; ++y) {
		for (uint x = 0; x < _cursorWidth; ++x) {
			byte r, g, b;
			Graphics::colorToRGB(src[x], r, g, b, format);
			const int col = (r << 16) | (g << 8) | b;

			// Skip transparency (the transparent color actually is 0xFF00FF,
			// but the RGB conversion chops of the lower bits).
			if ((r > 0xF1) && (g < 0x03) && (b > 0xF1))
				continue;

			// If there is no entry yet for this color in the palette: Add one
			if (!colorToIndex.contains(col)) {
				const int index = colorsFound++;
				colorToIndex[col] = index;

				_cursorPal[index * 4 + 0] = r;
				_cursorPal[index * 4 + 1] = g;
				_cursorPal[index * 4 + 2] = b;
				_cursorPal[index * 4 + 3] = 0xFF;

				if (colorsFound > MAX_CURS_COLORS) {
					warning("Cursor contains too many colors (%d, but only %d are allowed)", colorsFound, MAX_CURS_COLORS);
					return false;
				}
			}

			// Copy pixel from the 16 bit source surface to the 8bit target surface
			const int index = colorToIndex[col];
			_cursor[y * _cursorWidth + x] = index;
		}
		src += _cursorWidth;
	}

	_useCursor = true;

	return true;
}


/**********************************************************
 *	Legacy GUI::Theme support functions
 *********************************************************/

const Graphics::Font *ThemeEngine::getFont(FontStyle font) const {
	return _texts[fontStyleToData(font)]->_fontPtr;
}

int ThemeEngine::getFontHeight(FontStyle font) const {
	return ready() ? _texts[fontStyleToData(font)]->_fontPtr->getFontHeight() : 0;
}

int ThemeEngine::getStringWidth(const Common::String &str, FontStyle font) const {
	return ready() ? _texts[fontStyleToData(font)]->_fontPtr->getStringWidth(str) : 0;
}

int ThemeEngine::getCharWidth(byte c, FontStyle font) const {
	return ready() ? _texts[fontStyleToData(font)]->_fontPtr->getCharWidth(c) : 0;
}

ThemeEngine::TextData ThemeEngine::getTextData(DrawData ddId) {
	return _widgets[ddId] ? (TextData)_widgets[ddId]->_textDataId : kTextDataNone;
}



/**********************************************************
 *	External data loading
 *********************************************************/

const Graphics::Font *ThemeEngine::loadFontFromArchive(const Common::String &filename) {
	Common::SeekableReadStream *stream = 0;
	const Graphics::Font *font = 0;

	if (_themeArchive)
		stream = _themeArchive->openFile(filename);
	if (stream) {
		font = Graphics::NewFont::loadFromCache(*stream);
		delete stream;
	}

	return font;
}

const Graphics::Font *ThemeEngine::loadFont(const Common::String &filename) {
	const Graphics::Font *font = 0;
	Common::String cacheFilename = genCacheFilename(filename.c_str());
	Common::File fontFile;

	if (!cacheFilename.empty()) {
		if (fontFile.open(cacheFilename))
			font = Graphics::NewFont::loadFromCache(fontFile);

		if (font)
			return font;

		if ((font = loadFontFromArchive(cacheFilename)))
			return font;
	}

	// normal open
	if (fontFile.open(filename)) {
		font = Graphics::NewFont::loadFont(fontFile);
	}

	if (!font) {
		font = loadFontFromArchive(filename);
	}

	if (font) {
		if (!cacheFilename.empty()) {
			if (!Graphics::NewFont::cacheFontData(*(const Graphics::NewFont*)font, cacheFilename)) {
				warning("Couldn't create cache file for font '%s'", filename.c_str());
			}
		}
	}

	return font;
}

Common::String ThemeEngine::genCacheFilename(const char *filename) {
	Common::String cacheName(filename);
	for (int i = cacheName.size() - 1; i >= 0; --i) {
		if (cacheName[i] == '.') {
			while ((uint)i < cacheName.size() - 1) {
				cacheName.deleteLastChar();
			}

			cacheName += "fcc";
			return cacheName;
		}
	}

	return Common::String();
}


/**********************************************************
 *	Static Theme XML functions
 *********************************************************/

bool ThemeEngine::themeConfigParseHeader(Common::String header, Common::String &themeName) {
	header.trim();

	if (header.empty())
		return false;

	if (header[0] != '[' || header.lastChar() != ']')
		return false;

	header.deleteChar(0);
	header.deleteLastChar();

	Common::StringTokenizer tok(header, ":");

	if (tok.nextToken() != SCUMMVM_THEME_VERSION_STR)
		return false;

	themeName = tok.nextToken();
	Common::String author = tok.nextToken();

	return tok.empty();
}

bool ThemeEngine::themeConfigUsable(const Common::FSNode &node, Common::String &themeName) {
	Common::File stream;
	bool foundHeader = false;

	if (node.getName().hasSuffix(".zip") && !node.isDirectory()) {
#ifdef USE_ZLIB
		Common::ZipArchive zipArchive(node);
		if (zipArchive.hasFile("THEMERC")) {
			stream.open("THEMERC", zipArchive);
		}
#endif
	} else if (node.isDirectory()) {
		Common::FSNode headerfile = node.getChild("THEMERC");
		if (!headerfile.exists() || !headerfile.isReadable() || headerfile.isDirectory())
			return false;
		stream.open(headerfile);
	}

	if (stream.isOpen()) {
		Common::String stxHeader = stream.readLine();
		foundHeader = themeConfigParseHeader(stxHeader, themeName);
	}

	return foundHeader;
}

namespace {

struct TDComparator {
	const Common::String _id;
	TDComparator(const Common::String &id) : _id(id) {}

	bool operator()(const ThemeEngine::ThemeDescriptor &r) { return _id == r.id; }
};

} // end of anonymous namespace

void ThemeEngine::listUsableThemes(Common::List<ThemeDescriptor> &list) {
#ifdef GUI_ENABLE_BUILTIN_THEME
	ThemeDescriptor th;
	th.name = "ScummVM Classic Theme (Builtin Version)";
	th.id = "builtin";
	th.filename.clear();
	list.push_back(th);
#endif

	if (ConfMan.hasKey("themepath"))
		listUsableThemes(Common::FSNode(ConfMan.get("themepath")), list);

#ifdef DATA_PATH
	listUsableThemes(Common::FSNode(DATA_PATH), list);
#endif

#ifdef MACOSX
	CFURLRef resourceUrl = CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
	if (resourceUrl) {
		char buf[256];
		if (CFURLGetFileSystemRepresentation(resourceUrl, true, (UInt8 *)buf, 256)) {
			Common::FSNode resourcePath(buf);
			listUsableThemes(resourcePath, list);
		}
		CFRelease(resourceUrl);
	}
#endif

	if (ConfMan.hasKey("extrapath"))
		listUsableThemes(Common::FSNode(ConfMan.get("extrapath")), list);

	listUsableThemes(Common::FSNode("."), list, 1);

	// Now we need to strip all duplicates
	// TODO: It might not be the best idea to strip duplicates. The user might
	// have different versions of a specific theme in his paths, thus this code
	// might show him the wrong version. The problem is we have no ways of checking
	// a theme version currently. Also since we want to avoid saving the full path
	// in the config file we can not do any better currently.
	Common::List<ThemeDescriptor> output;

	for (Common::List<ThemeDescriptor>::const_iterator i = list.begin(); i != list.end(); ++i) {
		if (find_if(output.begin(), output.end(), TDComparator(i->id)) == output.end())
			output.push_back(*i);
	}

	list = output;
	output.clear();
}

void ThemeEngine::listUsableThemes(Common::FSNode node, Common::List<ThemeDescriptor> &list, int depth) {
	if (!node.exists() || !node.isReadable() || !node.isDirectory())
		return;

	ThemeDescriptor td;

	// Check whether we point to a valid theme directory.
	if (themeConfigUsable(node, td.name)) {
		td.filename = node.getPath();
		td.id = node.getName();

		list.push_back(td);

		// A theme directory should never contain any other themes
		// thus we just return to the caller here.
		return;
	}

	Common::FSList fileList;
#ifdef USE_ZLIB
	// Check all files. We need this to find all themes inside ZIP archives.
	if (!node.getChildren(fileList, Common::FSNode::kListFilesOnly))
		return;

	for (Common::FSList::iterator i = fileList.begin(); i != fileList.end(); ++i) {
		// We will only process zip files for now
		if (!i->getPath().hasSuffix(".zip"))
			continue;

		td.name.clear();
		if (themeConfigUsable(*i, td.name)) {
			td.filename = i->getPath();
			td.id = i->getName();

			// If the name of the node object also contains
			// the ".zip" suffix, we will strip it.
			if (td.id.hasSuffix(".zip")) {
				for (int j = 0; j < 4; ++j)
					td.id.deleteLastChar();
			}

			list.push_back(td);
		}
	}
	
	fileList.clear();
#endif
	
	// Check if we exceeded the given recursion depth
	if (depth - 1 == -1)
		return;

	// As next step we will search all subdirectories
	if (!node.getChildren(fileList, Common::FSNode::kListDirectoriesOnly))
		return;

	for (Common::FSList::iterator i = fileList.begin(); i != fileList.end(); ++i)
		listUsableThemes(*i, list, depth == -1 ? - 1 : depth - 1);
}

Common::String ThemeEngine::getThemeFile(const Common::String &id) {
	// FIXME: Actually "default" rather sounds like it should use
	// our default theme which would mean "scummmodern" instead
	// of the builtin one.
	if (id.equalsIgnoreCase("default"))
		return Common::String();
	
	// For our builtin theme we don't have to do anything for now too
	if (id.equalsIgnoreCase("builtin"))
		return Common::String();

	Common::FSNode node(id);

	// If the given id is a full path we'll just use it
	if (node.exists() && (node.isDirectory() || node.getName().hasSuffix(".zip")))
		return id;

	// FIXME:
	// A very ugly hack to map a id to a filename, this will generate
	// a complete theme list, thus it is slower than it could be.
	// But it is the easiest solution for now.
	Common::List<ThemeDescriptor> list;
	listUsableThemes(list);

	for (Common::List<ThemeDescriptor>::const_iterator i = list.begin(); i != list.end(); ++i) {
		if (id.equalsIgnoreCase(i->id))
			return i->filename;
	}

	warning("Could not find theme '%s' falling back to builtin", id.c_str());

	// If no matching id has been found we will
	// just fall back to the builtin theme
	return Common::String();
}

Common::String ThemeEngine::getThemeId(const Common::String &filename) {
	// If no filename has been given we will initialize the builtin theme
	if (filename.empty())
		return "builtin";

	Common::FSNode node(filename);
	if (!node.exists())
		return "builtin";

	if (node.getName().hasSuffix(".zip")) {
		Common::String id = node.getName();

		for (int i = 0; i < 4; ++i)
			id.deleteLastChar();

		return id;
	} else {
		return node.getName();
	}
}


} // end of namespace GUI.