summaryrefslogtreecommitdiffstats
path: root/qtruby/rubylib/designer/rbuic/widgetdatabase.cpp
blob: cc4779a24fc54e9e0f6e27a085aad55b2d7839b0 (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
/**********************************************************************
** Copyright (C) 2000 Trolltech AS.  All rights reserved.
**
** This file is part of Qt Designer.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#if !defined(UIC)
#include "../designer/pixmapchooser.h"
#endif
#include "widgetinterface.h"
#include "widgetdatabase.h"

#include <tqapplication.h>
#define NO_STATIC_COLORS
#include <globaldefs.h>
#include <tqstrlist.h>
#include <tqdict.h>
#include <tqfile.h>
#include <tqtextstream.h>
#include <tqcleanuphandler.h>

#include <tqfeatures.h>

#include <stdlib.h>

const int dbsize = 300;
const int dbcustom = 200;
const int dbdictsize = 211;
static WidgetDatabaseRecord* db[ dbsize ];
static TTQDict<int> *className2Id = 0;
static int dbcount  = 0;
static int dbcustomcount = 200;
static TTQStrList *wGroups;
static TTQStrList *invisibleGroups;
static bool whatsThisLoaded = false;
static TQPluginManager<WidgetInterface> *widgetPluginManager = 0;
static bool plugins_set_up = false;
static bool was_in_setup = false;

TTQCleanupHandler<TQPluginManager<WidgetInterface> > cleanup_manager;

WidgetDatabaseRecord::WidgetDatabaseRecord()
{
    isForm = false;
    isContainer = false;
    icon = 0;
    nameCounter = 0;
}

WidgetDatabaseRecord::~WidgetDatabaseRecord()
{
    delete icon;
}


/*!
  \class WidgetDatabase widgetdatabase.h
  \brief The WidgetDatabase class holds information about widgets

  The WidgetDatabase holds information about widgets like toolTip(),
  iconSet(), ... It works Id-based, so all access functions take the
  widget id as parameter. To get the id for a widget (classname), use
  idFromClassName().

  All access functions are static.  Having multiple widgetdatabases in
  one application doesn't make sense anyway and so you don't need more
  than an instance of the widgetdatabase.

  For creating widgets, layouts, etc. see WidgetFactory.
*/

/*!
  Creates widget database. Does nothing.
*/

WidgetDatabase::WidgetDatabase()
{
}

/*!  Sets up the widget database. If the static widgetdatabase already
  exists, the functions returns immediately.
*/

void WidgetDatabase::setupDataBase( int id )
{
    was_in_setup = true;
#ifndef UIC
    Q_UNUSED( id )
    if ( dbcount )
	return;
#else
    if ( dbcount && id != -2 )
	return;
    if ( dbcount && !plugins_set_up ) {
	setupPlugins();
	return;
    }
    if ( dbcount && plugins_set_up)
	return;
#endif

    wGroups = new TQStrList;
    invisibleGroups = new TQStrList;
    invisibleGroups->append( "Forms" );
    invisibleGroups->append( "Temp" );
    className2Id = new TTQDict<int>( dbdictsize );
    className2Id->setAutoDelete( true );

    WidgetDatabaseRecord *r = 0;

    r = new WidgetDatabaseRecord;
    r->iconSet = "pushbutton.xpm";
    r->name = "TTQPushButton";
    r->group = widgetGroup( "Buttons" );
    r->toolTip = "Push Button";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "toolbutton.xpm";
    r->name = "TTQToolButton";
    r->group = widgetGroup( "Buttons" );
    r->toolTip = "Tool Button";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "radiobutton.xpm";
    r->name = "TTQRadioButton";
    r->group = widgetGroup( "Buttons" );
    r->toolTip = "Radio Button";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "checkbox.xpm";
    r->name = "TTQCheckBox";
    r->group = widgetGroup( "Buttons" );
    r->toolTip = "Check Box";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "groupbox.xpm";
    r->name = "TTQGroupBox";
    r->group = widgetGroup( "Containers" );
    r->toolTip = "Group Box";
    r->isContainer = true;

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "buttongroup.xpm";
    r->name = "TTQButtonGroup";
    r->group = widgetGroup( "Containers" );
    r->toolTip = "Button Group";
    r->isContainer = true;

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "frame.xpm";
    r->name = "TTQFrame";
    r->group = widgetGroup( "Containers" );
    r->toolTip = "Frame";
    r->isContainer = true;

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "tabwidget.xpm";
    r->name = "TTQTabWidget";
    r->group = widgetGroup( "Containers" );
    r->toolTip = "Tabwidget";
    r->isContainer = true;

    append( r );


    r = new WidgetDatabaseRecord;
    r->iconSet = "listbox.xpm";
    r->name = "TTQListBox";
    r->group = widgetGroup( "Views" );
    r->toolTip = "List Box";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "listview.xpm";
    r->name = "TTQListView";
    r->group = widgetGroup( "Views" );
    r->toolTip = "List View";

    append( r );

#if !defined(QT_NO_ICONVIEW) || defined(UIC)
    r = new WidgetDatabaseRecord;
    r->iconSet = "iconview.xpm";
    r->name = "TTQIconView";
    r->group = widgetGroup( "Views" );
    r->toolTip = "Icon View";

    append( r );
#endif

#if !defined(QT_NO_TABLE)
    r = new WidgetDatabaseRecord;
    r->iconSet = "table.xpm";
    r->name = "TTQTable";
    r->group = widgetGroup( "Views" );
    r->toolTip = "Table";

    append( r );
#endif

#if !defined(QT_NO_SQL)
    r = new WidgetDatabaseRecord;
    r->iconSet = "datatable.xpm";
    r->includeFile = "tqdatatable.h";
    r->name = "TTQDataTable";
    r->group = widgetGroup( "Database" );
    r->toolTip = "Data Table";

    append( r );
#endif

    r = new WidgetDatabaseRecord;
    r->iconSet = "lineedit.xpm";
    r->name = "TTQLineEdit";
    r->group = widgetGroup( "Input" );
    r->toolTip = "Line Edit";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "spinbox.xpm";
    r->name = "TTQSpinBox";
    r->group = widgetGroup( "Input" );
    r->toolTip = "Spin Box";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "dateedit.xpm";
    r->name = "TQDateEdit";
    r->group = widgetGroup( "Input" );
    r->toolTip = "Date Edit";
    r->includeFile = "tqdatetimeedit.h";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "timeedit.xpm";
    r->name = "TQTimeEdit";
    r->group = widgetGroup( "Input" );
    r->toolTip = "Time Edit";
    r->includeFile = "tqdatetimeedit.h";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "datetimeedit.xpm";
    r->name = "TQDateTimeEdit";
    r->group = widgetGroup( "Input" );
    r->toolTip = "Date-Time Edit";
    r->includeFile = "tqdatetimeedit.h";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "multilineedit.xpm";
    r->name = "TTQMultiLineEdit";
    r->group = widgetGroup( "Temp" );
    r->toolTip = "Multi Line Edit";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "richtextedit.xpm";
    r->name = "TTQTextEdit";
    r->group = widgetGroup( "Input" );
    r->toolTip = "Richtext Editor";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "combobox.xpm";
    r->name = "TTQComboBox";
    r->group = widgetGroup( "Input" );
    r->toolTip = "Combo Box";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "slider.xpm";
    r->name = "TTQSlider";
    r->group = widgetGroup( "Input" );
    r->toolTip = "Slider";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "scrollbar.xpm";
    r->name = "TTQScrollBar";
    r->group = widgetGroup( "Input" );
    r->toolTip = "Scrollbar";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "dial.xpm";
    r->name = "TTQDial";
    r->group = widgetGroup( "Input" );
    r->toolTip = "Dial";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "label.xpm";
    r->name = "TTQLabel";
    r->group = widgetGroup( "Temp" );
    r->toolTip = "Label";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "label.xpm";
    r->name = "TextLabel";
    r->group = widgetGroup( "Display" );
    r->toolTip = "Text Label";
    r->whatsThis = "The Text Label provides a widget to display static text.";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "pixlabel.xpm";
    r->name = "PixmapLabel";
    r->group = widgetGroup( "Display" );
    r->toolTip = "Pixmap Label";
    r->whatsThis = "The Pixmap Label provides a widget to display pixmaps.";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "lcdnumber.xpm";
    r->name = "TQLCDNumber";
    r->group = widgetGroup( "Display" );
    r->toolTip = "LCD Number";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "line.xpm";
    r->name = "Line";
    r->group = widgetGroup( "Display" );
    r->toolTip = "Line";
    r->includeFile = "tqframe.h";
    r->whatsThis = "The Line widget provides horizontal and vertical lines.";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "progress.xpm";
    r->name = "TTQProgressBar";
    r->group = widgetGroup( "Display" );
    r->toolTip = "Progress Bar";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "textview.xpm";
    r->name = "TTQTextView";
    r->group = widgetGroup( "Temp" );
    r->toolTip = "Text View";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "textbrowser.xpm";
    r->name = "TTQTextBrowser";
    r->group = widgetGroup( "Display" );
    r->toolTip = "Text Browser";

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "spacer.xpm";
    r->name = "Spacer";
    r->group = widgetGroup( "Temp" );
    r->toolTip = "Spacer";
    r->whatsThis = "The Spacer provides horizontal and vertical spacing to be able to manipulate the behaviour of layouts.";

    append( r );

    r = new WidgetDatabaseRecord;
    r->name = "TTQWidget";
    r->isForm = true;
    r->group = widgetGroup( "Forms" );

    append( r );

    r = new WidgetDatabaseRecord;
    r->name = "TTQDialog";
    r->group = widgetGroup( "Forms" );
    r->isForm = true;

    append( r );

    r = new WidgetDatabaseRecord;
    r->name = "TTQWizard";
    r->group = widgetGroup( "Forms" );
    r->isContainer = true;

    append( r );

    r = new WidgetDatabaseRecord;
    r->name = "TQDesignerWizard";
    r->group = widgetGroup( "Forms" );
    r->isContainer = true;

    append( r );

    r = new WidgetDatabaseRecord;
    r->name = "TQLayoutWidget";
    r->group = widgetGroup( "Temp" );
    r->includeFile = "";
    r->isContainer = true;

    append( r );

    r = new WidgetDatabaseRecord;
    r->name = "TTQSplitter";
    r->group = widgetGroup( "Temp" );
    r->includeFile = "tqsplitter.h";
    r->isContainer = true;

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "tabwidget.xpm";
    r->name = "TQDesignerTabWidget";
    r->group = widgetGroup( "Temp" );
    r->isContainer = true;

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "tabwidget.xpm";
    r->name = "TQDesignerWidget";
    r->group = widgetGroup( "Temp" );
    r->isContainer = true;

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "tabwidget.xpm";
    r->name = "TQDesignerDialog";
    r->group = widgetGroup( "Temp" );
    r->isContainer = true;

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "";
    r->name = "TTQMainWindow";
    r->includeFile = "tqmainwindow.h";
    r->group = widgetGroup( "Temp" );
    r->isContainer = true;

    append( r );

#ifndef QT_NO_SQL
    r = new WidgetDatabaseRecord;
    r->iconSet = "";
    r->name = "TTQDataBrowser";
    r->includeFile = "tqdatabrowser.h";
    r->group = widgetGroup( "Database" );
    r->toolTip = "Data Browser";
    r->iconSet = "databrowser.xpm";
    r->isContainer = true;

    append( r );

    r = new WidgetDatabaseRecord;
    r->iconSet = "";
    r->name = "TTQDataView";
    r->includeFile = "tqdataview.h";
    r->group = widgetGroup( "Database" );
    r->toolTip = "Data View";
    r->iconSet = "dataview.xpm";
    r->isContainer = true;

    append( r );
#endif

#ifndef UIC
    setupPlugins();
#endif
}

void WidgetDatabase::setupPlugins()
{
    if ( plugins_set_up )
	return;
    plugins_set_up = true;
    TTQStringList widgets = widgetManager()->featureList();
    for ( TTQStringList::Iterator it = widgets.begin(); it != widgets.end(); ++it ) {
	if ( hasWidget( *it ) )
	    continue;
	WidgetDatabaseRecord *r = new WidgetDatabaseRecord;
	WidgetInterface *iface = 0;
	widgetManager()->queryInterface( *it, &iface );
	if ( !iface )
	    continue;

#ifndef UIC
	TTQIconSet icon = iface->iconSet( *it );
	if ( !icon.pixmap().isNull() )
	    r->icon = new TTQIconSet( icon );
#endif
	TTQString grp = iface->group( *it );
	if ( grp.isEmpty() )
	    grp = "3rd party widgets";
	r->group = widgetGroup( grp );
	r->toolTip = iface->toolTip( *it );
	r->whatsThis = iface->whatsThis( *it );
	r->includeFile = iface->includeFile( *it );
	r->isContainer = iface->isContainer( *it );
	r->name = *it;
	append( r );
	iface->release();
    }
}

/*!
  Returns the number of elements in the widget database.
*/

int WidgetDatabase::count()
{
    setupDataBase( -1 );
    return dbcount;
}

/*!
  Returns the id at which the ids of custom widgets start.
*/

int WidgetDatabase::startCustom()
{
    setupDataBase( -1 );
    return dbcustom;
}

/*!
  Returns the iconset which represents the class registered as \a id.
*/

TTQIconSet WidgetDatabase::iconSet( int id )
{
    setupDataBase( id );
    WidgetDatabaseRecord *r = at( id );
    if ( !r )
	return TTQIconSet();
#if !defined(UIC) && !defined(RESOURCE)
    if ( !r->icon )
	r->icon = new TTQIconSet( PixmapChooser::loadPixmap( r->iconSet, PixmapChooser::Small ),
				PixmapChooser::loadPixmap( r->iconSet, PixmapChooser::Large ) );
    return *r->icon;
#else
    return TTQIconSet();
#endif
}

/*!
  Returns the classname of the widget which is registered as \a id.
*/

TTQString WidgetDatabase::className( int id )
{
    setupDataBase( id );
    WidgetDatabaseRecord *r = at( id );
    if ( !r )
	return TTQString::null;
    return r->name;
}

/*!
  Returns the group to which the widget registered as \a id belongs.
*/

TTQString WidgetDatabase::group( int id )
{
    setupDataBase( id );
    WidgetDatabaseRecord *r = at( id );
    if ( !r )
	return TTQString::null;
    return r->group;
}

/*!  Returns the tooltip text of the widget which is registered as \a
  id.
*/

TTQString WidgetDatabase::toolTip( int id )
{
    setupDataBase( id );
    WidgetDatabaseRecord *r = at( id );
    if ( !r )
	return TTQString::null;
    return r->toolTip;
}

/*!  Returns the what's this? test of the widget which is registered
  as \a id.
*/

TTQString WidgetDatabase::whatsThis( int id )
{
    setupDataBase( id );
    WidgetDatabaseRecord *r = at( id );
    if ( !r )
	return TTQString::null;
    return r->whatsThis;
}

/*!
  Returns the include file if the widget which is registered as \a id.
*/

TTQString WidgetDatabase::includeFile( int id )
{
    setupDataBase( id );
    WidgetDatabaseRecord *r = at( id );
    if ( !r )
	return TTQString::null;
    if ( r->includeFile.isNull() )
	return r->name.lower() + ".h";
    return r->includeFile;
}

/*!  Returns wheather the widget registered as \a id is a form
*/
bool WidgetDatabase::isForm( int id )
{
    setupDataBase( id );
    WidgetDatabaseRecord *r = at( id );
    if ( !r )
	return false;
    return r->isForm;
}

/*!  Returns wheather the widget registered as \a id is a container
  (can have children) or not.
*/

bool WidgetDatabase::isContainer( int id )
{
    setupDataBase( id );
    WidgetDatabaseRecord *r = at( id );
    if ( !r )
	return false;
    return r->isContainer || r->isForm;
}

TTQString WidgetDatabase::createWidgetName( int id )
{
    setupDataBase( id );
    TTQString n = className( id );
    if ( n == "TQLayoutWidget" )
	n = "Layout";
    if ( n[ 0 ] == 'Q' )
	n = n.mid( 1 );
    WidgetDatabaseRecord *r = at( id );
    if ( !r )
	return n;
    n += TTQString::number( ++r->nameCounter );
    return n;
}

/*!  Returns the id for \a name or -1 if \a name is unknown.
 */
int WidgetDatabase::idFromClassName( const TTQString &name )
{
    setupDataBase( -1 );
    if ( name.isEmpty() )
	return 0;
    int *i = className2Id->find( name );
    if ( i )
	return *i;
    if ( name == "FormWindow" )
	return idFromClassName( "TQLayoutWidget" );
#ifdef UIC
#ifndef NO_UI_PLUGINS
    setupDataBase( -2 );
    i = className2Id->find( name );
    if ( i )
	return *i;
#endif
#endif
    return -1;
}

bool WidgetDatabase::hasWidget( const TTQString &name )
{
    return className2Id->find( name ) != 0;
}

WidgetDatabaseRecord *WidgetDatabase::at( int index )
{
    if ( index < 0 )
	return 0;
    if ( index >= dbcustom && index < dbcustomcount )
	return db[ index ];
    if ( index < dbcount )
	return db[ index ];
    return 0;
}

void WidgetDatabase::insert( int index, WidgetDatabaseRecord *r )
{
    if ( index < 0 || index >= dbsize )
	return;
    db[ index ] = r;
    className2Id->insert( r->name, new int( index ) );
    if ( index < dbcustom )
	dbcount = TQMAX( dbcount, index );
}

void WidgetDatabase::append( WidgetDatabaseRecord *r )
{
    if ( !was_in_setup )
	setupDataBase( -1 );
    insert( dbcount++, r );
}

TTQString WidgetDatabase::widgetGroup( const TTQString &g )
{
    if ( wGroups->find( g ) == -1 )
	wGroups->append( g );
    return g;
}

bool WidgetDatabase::isGroupEmpty( const TTQString &grp )
{
    WidgetDatabaseRecord *r = 0;
    for ( int i = 0; i < dbcount; ++i ) {
	if ( !( r = db[ i ] ) )
	    continue;
	if ( r->group == grp )
	    return false;
    }
    return true;
}

TTQString WidgetDatabase::widgetGroup( int i )
{
    setupDataBase( -1 );
    if ( i >= 0 && i < (int)wGroups->count() )
	return wGroups->at( i );
    return TTQString::null;
}

int WidgetDatabase::numWidgetGroups()
{
    setupDataBase( -1 );
    return wGroups->count();
}

bool WidgetDatabase::isGroupVisible( const TTQString &g )
{
    setupDataBase( -1 );
    return invisibleGroups->find( g ) == -1;
}

int WidgetDatabase::addCustomWidget( WidgetDatabaseRecord *r )
{
    insert( dbcustomcount++, r );
    return dbcustomcount - 1;
}

bool WidgetDatabase::isCustomWidget( int id )
{
    if ( id >= dbcustom && id < dbcustomcount )
	return true;
    return false;
}

bool WidgetDatabase::isWhatsThisLoaded()
{
    return whatsThisLoaded;
}

void WidgetDatabase::loadWhatsThis( const TTQString &docPath )
{
    TTQString whatsthisFile = docPath + "/whatsthis";
    TTQFile f( whatsthisFile );
    if ( !f.open( IO_ReadOnly ) )
	return;
    TTQTextStream ts( &f );
    while ( !ts.atEnd() ) {
	TTQString s = ts.readLine();
	TTQStringList l = TTQStringList::split( " | ", s );
	int id = idFromClassName( l[ 1 ] );
	WidgetDatabaseRecord *r = at( id );
	if ( r )
	    r->whatsThis = l[ 0 ];
    }
    whatsThisLoaded = true;
}

TTQPluginManager<WidgetInterface> *widgetManager()
{
    if ( !widgetPluginManager ) {
	widgetPluginManager = new TQPluginManager<WidgetInterface>( IID_Widget, TTQApplication::libraryPaths(), "/designer" );
	cleanup_manager.add( &widgetPluginManager );
    }
    return widgetPluginManager;
}