summaryrefslogtreecommitdiffstats
path: root/tdeutils/kpluginselector.cpp
blob: 501a124a3082b5de0c39448a28ed14de9583c8bf (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
/*  This file is part of the KDE project
    Copyright (C) 2002-2003 Matthias Kretz <kretz@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.

*/

#include "kpluginselector.h"
#include "kpluginselector_p.h"

#include <tqtooltip.h>
#include <tqvbox.h>
#include <tqlabel.h>
#include <tqstrlist.h>
#include <tqfile.h>
#include <tqstring.h>
#include <tqlayout.h>
#include <tqptrlist.h>
#include <tqwidgetstack.h>
#include <tqcursor.h>
#include <tqapplication.h>
#include <tqobjectlist.h>
#include <tqcstring.h>

#include <kdebug.h>
#include <klocale.h>
#include <tdelistview.h>
#include <ksimpleconfig.h>
#include <kdialog.h>
#include <kglobal.h>
#include <kglobalsettings.h>
#include <kstandarddirs.h>
#include <ktabctl.h>
#include <tdecmoduleinfo.h>
#include <tqvaluelist.h>
#include <kservice.h>
#include <ktrader.h>
#include <ktabwidget.h>
#include <kiconloader.h>
#include <tdecmodule.h>
#include "tdecmoduleinfo.h"
#include "tdecmoduleloader.h"
#include <tqsplitter.h>
#include <tqframe.h>
#include "kplugininfo.h"
#include <kinstance.h>
#include <tqptrdict.h>
#include <tqstringlist.h>
#include "tdecmoduleproxy.h"

/*
    QCheckListViewItem that holds a pointer to the KPluginInfo object.
    Used in the tooltip code to access additional fields
*/
class KPluginInfoLVI : public TQCheckListItem
{
public:
    KPluginInfoLVI( KPluginInfo *pluginInfo, TDEListView *parent )
    : TQCheckListItem( parent, pluginInfo->name(), TQCheckListItem::CheckBox ), m_pluginInfo( pluginInfo )
    {
    }

    KPluginInfo * pluginInfo() { return m_pluginInfo; }

private:
    KPluginInfo *m_pluginInfo;
};

/*
	Custom TQToolTip for the list view.
	The decision whether or not to show tooltips is taken in
	maybeTip(). See also the TQListView sources from Qt itself.
*/
class KPluginListViewToolTip : public TQToolTip
{
public:
	KPluginListViewToolTip( TQWidget *parent, TDEListView *lv );

	void maybeTip( const TQPoint &pos );

private:
	TDEListView *m_listView;
};

KPluginListViewToolTip::KPluginListViewToolTip( TQWidget *parent, TDEListView *lv )
: TQToolTip( parent ), m_listView( lv )
{
}

void KPluginListViewToolTip::maybeTip( const TQPoint &pos )
{
    if ( !parentWidget() || !m_listView )
        return;

    KPluginInfoLVI *item = dynamic_cast<KPluginInfoLVI *>( m_listView->itemAt( pos ) );
    if ( !item )
        return;

    TQString toolTip = i18n( "<qt><table>"
        "<tr><td><b>Description:</b></td><td>%1</td></tr>"
        "<tr><td><b>Author:</b></td><td>%2</td></tr>"
        "<tr><td><b>Version:</b></td><td>%3</td></tr>"
        "<tr><td><b>License:</b></td><td>%4</td></tr></table></qt>" ).arg( item->pluginInfo()->comment(),
        item->pluginInfo()->author(), item->pluginInfo()->version(), item->pluginInfo()->license() );

    //kdDebug( 702 ) << k_funcinfo << "Adding tooltip: itemRect: " << itemRect << ", tooltip:  " << toolTip << endl;
    tip( m_listView->itemRect( item ), toolTip );
}

struct KPluginSelectionWidget::KPluginSelectionWidgetPrivate
{
    KPluginSelectionWidgetPrivate( KPluginSelector * _kps,
                                   const TQString & _cat,
                                   TDEConfigGroup * _config )
     : widgetstack( 0 )
        , kps( _kps )
        , config( _config )
        , tooltip( 0 )
        , catname( _cat )
        , currentplugininfo( 0 )
        , visible( true )
        , currentchecked( false )
        , changed( 0 )
    {
        moduleParentComponents.setAutoDelete( true );
    }

    ~KPluginSelectionWidgetPrivate()
    {
        delete config;
    }

    TQMap<TQCheckListItem*, KPluginInfo*> pluginInfoMap;

    TQWidgetStack * widgetstack;
    KPluginSelector * kps;
    TDEConfigGroup * config;
    KPluginListViewToolTip *tooltip;

    TQDict<TDECModuleInfo> pluginconfigmodules;
    TQMap<TQString, int> widgetIDs;
    TQMap<KPluginInfo*, bool> plugincheckedchanged;
    TQString catname;
    TQValueList<TDECModuleProxy*> modulelist;
    TQPtrDict<TQStringList> moduleParentComponents;

    KPluginInfo * currentplugininfo;
    bool visible;
    bool currentchecked;
    int changed;
};

KPluginSelectionWidget::KPluginSelectionWidget(
        const TQValueList<KPluginInfo*> & plugininfos, KPluginSelector * kps,
        TQWidget * parent, const TQString & catname, const TQString & category,
        TDEConfigGroup * config, const char * name )
    : TQWidget( parent, name )
    , d( new KPluginSelectionWidgetPrivate( kps, catname, config ) )
{
    init( plugininfos, category );
}

inline TQString KPluginSelectionWidget::catName() const
{
    return d->catname;
}

void KPluginSelectionWidget::init( const TQValueList<KPluginInfo*> & plugininfos,
        const TQString & category )
{
    // setup Widgets
    ( new TQVBoxLayout( this, 0, KDialog::spacingHint() ) )->setAutoAdd( true );
    TDEListView * listview = new TDEListView( this );
    d->tooltip = new KPluginListViewToolTip( listview->viewport(), listview );
    connect( listview, TQT_SIGNAL( pressed( TQListViewItem * ) ), this,
            TQT_SLOT( executed( TQListViewItem * ) ) );
    connect( listview, TQT_SIGNAL( spacePressed( TQListViewItem * ) ), this,
            TQT_SLOT( executed( TQListViewItem * ) ) );
    connect( listview, TQT_SIGNAL( returnPressed( TQListViewItem * ) ), this,
            TQT_SLOT( executed( TQListViewItem * ) ) );
    connect( listview, TQT_SIGNAL( selectionChanged( TQListViewItem * ) ), this,
            TQT_SLOT( executed( TQListViewItem * ) ) );
    listview->setSizePolicy( TQSizePolicy::Minimum, TQSizePolicy::Preferred );
    listview->setAcceptDrops( false );
    listview->setFullWidth( true );
    listview->setSelectionModeExt( TDEListView::Single );
    listview->setAllColumnsShowFocus( true );
    listview->addColumn( i18n( "Name" ) );
    for( TQValueList<KPluginInfo*>::ConstIterator it = plugininfos.begin();
            it != plugininfos.end(); ++it )
    {
        d->plugincheckedchanged[ *it ] = false;
        if( !( *it )->isHidden() &&
                ( category.isNull() || ( *it )->category() == category ) )
        {
            TQCheckListItem * item = new KPluginInfoLVI( *it, listview );
            if( ! ( *it )->icon().isEmpty() )
                item->setPixmap( 0, SmallIcon( ( *it )->icon(), IconSize( KIcon::Small ) ) );
            item->setOn( ( *it )->isPluginEnabled() );
            d->pluginInfoMap.insert( item, *it );
        }
    }

    // widgetstack
    d->widgetstack = d->kps->widgetStack();
    load();
    // select and highlight the first item in the plugin list
    if( listview->firstChild() )
        listview->setSelected( listview->firstChild(), true );
}

KPluginSelectionWidget::~KPluginSelectionWidget()
{
    delete d->tooltip;
    delete d;
}

bool KPluginSelectionWidget::pluginIsLoaded( const TQString & pluginName ) const
{
    for( TQMap<TQCheckListItem*, KPluginInfo*>::ConstIterator it =
            d->pluginInfoMap.begin(); it != d->pluginInfoMap.end(); ++it )
        if( it.data()->pluginName() == pluginName )
            return it.data()->isPluginEnabled();
    return false;
}


TQWidget * KPluginSelectionWidget::insertKCM( TQWidget * parent,
        const TDECModuleInfo & moduleinfo )
{
    TDECModuleProxy * module = new TDECModuleProxy( moduleinfo, false,
            parent );
    if( !module->realModule() )
    {
        //FIXME: not very verbose
        TQLabel * label = new TQLabel( i18n( "Error" ), parent );
        label->setAlignment( Qt::AlignCenter );

        return label;
    }
    // add the KCM to the list so that we can call load/save/defaults on it
    d->modulelist.append( module );
    TQStringList * parentComponents = new TQStringList(
            moduleinfo.service()->property(
                "X-TDE-ParentComponents" ).toStringList() );
    d->moduleParentComponents.insert( module, parentComponents );
    connect( module, TQT_SIGNAL( changed( bool ) ), TQT_SLOT( clientChanged( bool ) ) );
    return module;
}

void KPluginSelectionWidget::embeddPluginKCMs( KPluginInfo * plugininfo, bool checked )
{
    //if we have Services for the plugin we should be able to
    //create KCM(s)
    TQApplication::setOverrideCursor( Qt::WaitCursor );
    if( plugininfo->kcmServices().size() > 1 )
    {
        // we need a tabwidget
        KTabWidget * tabwidget = new KTabWidget( d->widgetstack );
        tabwidget->setEnabled( checked );

        int id = d->widgetstack->addWidget( tabwidget );
        d->kps->configPage( id );
        d->widgetIDs[ plugininfo->pluginName() ] = id;

        for( TQValueList<KService::Ptr>::ConstIterator it =
                plugininfo->kcmServices().begin();
                it != plugininfo->kcmServices().end(); ++it )
        {
            if( !( *it )->noDisplay() )
            {
                TDECModuleInfo moduleinfo( *it );
                TQWidget * module = insertKCM( tabwidget, moduleinfo );
                tabwidget->addTab( module, moduleinfo.moduleName() );
            }
        }
    }
    else
    {
        if( !plugininfo->kcmServices().front()->noDisplay() )
        {
            TDECModuleInfo moduleinfo(
                    plugininfo->kcmServices().front() );
            TQWidget * module = insertKCM( d->widgetstack, moduleinfo );
            module->setEnabled( checked );

            int id = d->widgetstack->addWidget( module );
            d->kps->configPage( id );
            d->widgetIDs[ plugininfo->pluginName() ] = id;
        }
    }
    TQApplication::restoreOverrideCursor();
}

inline void KPluginSelectionWidget::updateConfigPage()
{
    updateConfigPage( d->currentplugininfo, d->currentchecked );
}

void KPluginSelectionWidget::updateConfigPage( KPluginInfo * plugininfo,
        bool checked )
{
    //kdDebug( 702 ) << k_funcinfo << endl;
    d->currentplugininfo = plugininfo;
    d->currentchecked = checked;

    // if this widget is not currently visible (meaning that it's in a tabwidget
    // and another tab is currently opened) it's not allowed to change the
    // widgetstack
    if( ! d->visible )
        return;

    if( 0 == plugininfo )
    {
        d->kps->configPage( 1 );
        return;
    }

    if( plugininfo->kcmServices().empty() )
        d->kps->configPage( 1 );
    else
    {
        if( !d->widgetIDs.contains( plugininfo->pluginName() ) )
            // if no widget exists for the plugin create it
            embeddPluginKCMs( plugininfo, checked );
        else
        {
            // the page already exists
            int id = d->widgetIDs[ plugininfo->pluginName() ];
            d->kps->configPage( id );
            d->widgetstack->widget( id )->setEnabled( checked );
        }
    }
}

void KPluginSelectionWidget::clientChanged( bool didchange )
{
    kdDebug( 702 ) << k_funcinfo << endl;
    d->changed += didchange ? 1 : -1;
    if( d->changed == 1 )
        emit changed( true );
    else if( d->changed == 0 )
        emit changed( false );
    else if( d->changed < 0 )
        kdError( 702 ) << "negative changed value: " << d->changed << endl;
}

void KPluginSelectionWidget::tabWidgetChanged( TQWidget * widget )
{
    if( widget == this )
    {
        d->visible = true;
        updateConfigPage();
    }
    else
        d->visible = false;
}

void KPluginSelectionWidget::executed( TQListViewItem * item )
{
    kdDebug( 702 ) << k_funcinfo << endl;
    if( item == 0 )
        return;

    // Why not a dynamic_cast? - Martijn
    // because this is what the Qt API suggests; and since gcc 3.x I don't
    // trust dynamic_cast anymore - mkretz
    if( item->rtti() != 1 ) //check for a QCheckListItem
        return;

    TQCheckListItem * citem = static_cast<TQCheckListItem *>( item );
    bool checked = citem->isOn();
    //kdDebug( 702 ) << "it's a " << ( checked ? "checked" : "unchecked" )
    //    << " TQCheckListItem" << endl;

    KPluginInfo * info = d->pluginInfoMap[ citem ];
    Q_ASSERT( !info->isHidden() );

    if ( info->isPluginEnabled() != checked )
    {
        kdDebug( 702 ) << "Item changed state, emitting changed()" << endl;

        if( ! d->plugincheckedchanged[ info ] )
        {
            ++d->changed;
            if ( d->changed == 1 )
                emit changed( true );
        }
        d->plugincheckedchanged[ info ] = true;

        checkDependencies( info );
    }
    else
    {
        if( d->plugincheckedchanged[ info ] )
        {
            --d->changed;
            if ( d->changed == 0 )
                emit changed( false );
        }
        d->plugincheckedchanged[ info ] = false;
        // FIXME: plugins that depend on this plugin need to be disabled, too
    }

    updateConfigPage( info, checked );
}

void KPluginSelectionWidget::load()
{
    //kdDebug( 702 ) << k_funcinfo << endl;

    for( TQMap<TQCheckListItem*, KPluginInfo*>::Iterator it =
            d->pluginInfoMap.begin(); it != d->pluginInfoMap.end(); ++it )
    {
        KPluginInfo * info = it.data();
        info->load( d->config );
        it.key()->setOn( info->isPluginEnabled() );
        if( d->visible && info == d->currentplugininfo )
            d->currentchecked = info->isPluginEnabled();
    }

    for( TQValueList<TDECModuleProxy*>::Iterator it = d->modulelist.begin();
            it != d->modulelist.end(); ++it )
        if( ( *it )->changed() )
            ( *it )->load();

    updateConfigPage();
    // TODO: update changed state
}

void KPluginSelectionWidget::save()
{
    kdDebug( 702 ) << k_funcinfo << endl;

    for( TQMap<TQCheckListItem*, KPluginInfo*>::Iterator it =
            d->pluginInfoMap.begin(); it != d->pluginInfoMap.end(); ++it )
    {
        KPluginInfo * info = it.data();
        bool checked = it.key()->isOn();
        info->setPluginEnabled( checked );
        info->save( d->config );
        d->plugincheckedchanged[ info ] = false;
    }
    TQStringList updatedModules;
    for( TQValueList<TDECModuleProxy*>::Iterator it = d->modulelist.begin();
            it != d->modulelist.end(); ++it )
        if( ( *it )->changed() )
        {
            ( *it )->save();
            TQStringList * names = d->moduleParentComponents[ *it ];
            if( names->size() == 0 )
                names->append( TQString::null );
            for( TQStringList::ConstIterator nameit = names->begin();
                    nameit != names->end(); ++nameit )
                if( updatedModules.find( *nameit ) == updatedModules.end() )
                    updatedModules.append( *nameit );
        }
    for( TQStringList::ConstIterator it = updatedModules.begin(); it != updatedModules.end(); ++it )
        emit configCommitted( ( *it ).latin1() );

    updateConfigPage();
    kdDebug( 702 ) << "syncing config file" << endl;
    d->config->sync();
    d->changed = 0;
    emit changed( false );
}

void KPluginSelectionWidget::checkDependencies( const KPluginInfo * info )
{
    if( info->dependencies().isEmpty() )
        return;

    for( TQStringList::ConstIterator it = info->dependencies().begin();
            it != info->dependencies().end(); ++it )
        for( TQMap<TQCheckListItem*,
                KPluginInfo*>::Iterator infoIt = d->pluginInfoMap.begin();
                infoIt != d->pluginInfoMap.end(); ++infoIt )
            if( infoIt.data()->pluginName() == *it )
            {
                if( !infoIt.key()->isOn() )
                {
                    infoIt.key()->setOn( true );
                    checkDependencies( infoIt.data() );
                }
                continue;
            }
}

class KPluginSelector::KPluginSelectorPrivate
{
    public:
        KPluginSelectorPrivate()
            : frame( 0 )
            , tabwidget( 0 )
            , widgetstack( 0 )
            , hideconfigpage( false )
            {
            }

        TQFrame * frame;
        KTabWidget * tabwidget;
        TQWidgetStack * widgetstack;
        TQValueList<KPluginSelectionWidget *> pswidgets;
        bool hideconfigpage;
};

KPluginSelector::KPluginSelector( TQWidget * parent, const char * name )
: TQWidget( parent, name )
, d( new KPluginSelectorPrivate )
{
    TQBoxLayout * hbox = new TQHBoxLayout( this, 0, KDialog::spacingHint() );
    hbox->setAutoAdd( true );

    TQSplitter* splitter = new TQSplitter( Qt::Horizontal, this );
    d->frame = new TQFrame( splitter, "KPluginSelector left frame" );
    d->frame->setFrameStyle( TQFrame::NoFrame );
    ( new TQVBoxLayout( d->frame, 0, KDialog::spacingHint() ) )->setAutoAdd( true );

    // widgetstack
    d->widgetstack = new TQWidgetStack( splitter, "KPluginSelector Config Pages" );
    d->widgetstack->setFrameStyle( TQFrame::Panel | TQFrame::Sunken );
    d->widgetstack->setMinimumSize( 200, 200 );

    TQLabel * label = new TQLabel( i18n( "(This plugin is not configurable)" ),
            d->widgetstack );
    ( new TQVBoxLayout( label, 0, KDialog::spacingHint() ) )->setAutoAdd( true );
    label->setAlignment( Qt::AlignCenter );
    label->setMinimumSize( 200, 200 );

    d->widgetstack->addWidget( label, 1 );

    configPage( 1 );
}

KPluginSelector::~KPluginSelector()
{
    delete d;
}

void KPluginSelector::checkNeedForTabWidget()
{
    kdDebug( 702 ) << k_funcinfo << endl;
    if( ! d->tabwidget && d->pswidgets.size() == 1 )
    {
        kdDebug( 702 ) << "no TabWidget and one KPluginSelectionWidget" << endl;
        // there's only one KPluginSelectionWidget yet, we need a TabWidget
        KPluginSelectionWidget * w = d->pswidgets.first();
        if( w )
        {
            kdDebug( 702 ) << "create TabWidget" << endl;
            d->tabwidget = new KTabWidget( d->frame,
                    "KPluginSelector TabWidget" );
            w->reparent( d->tabwidget, TQPoint( 0, 0 ) );
            d->tabwidget->addTab( w, w->catName() );
            connect( d->tabwidget, TQT_SIGNAL( currentChanged( TQWidget * ) ), w,
                    TQT_SLOT( tabWidgetChanged( TQWidget * ) ) );
        }
    }
}

static TQValueList<KPluginInfo*> tdepartsPluginInfos( const TQString& instanceName )
{
    if( instanceName.isNull() )
        return TQValueList<KPluginInfo*>(); //nothing

    const TQStringList desktopfilenames = TDEGlobal::dirs()->findAllResources( "data",
            instanceName + "/kpartplugins/*.desktop", true, false );
    return KPluginInfo::fromFiles( desktopfilenames );
}

void KPluginSelector::addPlugins( const TQString & instanceName,
        const TQString & catname, const TQString & category, TDEConfig * config )
{
    const TQValueList<KPluginInfo*> plugininfos = tdepartsPluginInfos( instanceName );
    if ( plugininfos.isEmpty() )
        return;
    checkNeedForTabWidget();
    Q_ASSERT( config ); // please set config, or use addPlugins( instance, ... ) which takes care of it
    if ( !config ) // KDE4: ensure that config is always set; make it second in the arg list?
        config = new KSimpleConfig(  instanceName ); // memleak!
    TDEConfigGroup * cfgGroup = new TDEConfigGroup( config, "KParts Plugins" );
    kdDebug( 702 ) << k_funcinfo << "cfgGroup = " << cfgGroup << endl;
    addPluginsInternal( plugininfos, catname, category, cfgGroup );
}

void KPluginSelector::addPluginsInternal( const TQValueList<KPluginInfo*> plugininfos,
                                          const TQString & catname, const TQString & category,
                                          TDEConfigGroup* cfgGroup )
{
    KPluginSelectionWidget * w;
    if( d->tabwidget )
    {
        w = new KPluginSelectionWidget( plugininfos, this,
                d->tabwidget, catname, category, cfgGroup );
        d->tabwidget->addTab( w, catname );
        connect( d->tabwidget, TQT_SIGNAL( currentChanged( TQWidget * ) ), w,
                TQT_SLOT( tabWidgetChanged( TQWidget * ) ) );
    }
    else
        w = new KPluginSelectionWidget( plugininfos, this, d->frame,
                catname, category, cfgGroup );
    w->setMinimumSize( 200, 200 );
    connect( w, TQT_SIGNAL( changed( bool ) ), this, TQT_SIGNAL( changed( bool ) ) );
    connect( w, TQT_SIGNAL( configCommitted( const TQCString & ) ), this,
            TQT_SIGNAL( configCommitted( const TQCString & ) ) );
    d->pswidgets += w;
}

void KPluginSelector::addPlugins( const TDEInstance * instance, const TQString &
        catname, const TQString & category, TDEConfig * config )
{
    if ( !config )
        config = instance->config();
    addPlugins( instance->instanceName(), catname, category, config );
}

void KPluginSelector::addPlugins( const TQValueList<KPluginInfo*> & plugininfos,
        const TQString & catname, const TQString & category, TDEConfig * config )
{
    checkNeedForTabWidget();
    // the TDEConfigGroup becomes owned by KPluginSelectionWidget
    TDEConfigGroup * cfgGroup = new TDEConfigGroup( config ? config : TDEGlobal::config(), "Plugins" );
    kdDebug( 702 ) << k_funcinfo << "cfgGroup = " << cfgGroup << endl;
    addPluginsInternal( plugininfos, catname, category, cfgGroup );
}

TQWidgetStack * KPluginSelector::widgetStack()
{
    return d->widgetstack;
}

inline void KPluginSelector::configPage( int id )
{
    if( id == 1 )
    {
        // no config page
        if( d->hideconfigpage )
        {
            d->widgetstack->hide();
            return;
        }
    }
    else
        d->widgetstack->show();

    d->widgetstack->raiseWidget( id );
}

void KPluginSelector::setShowEmptyConfigPage( bool show )
{
    d->hideconfigpage = !show;
    if( d->hideconfigpage )
        if( d->widgetstack->id( d->widgetstack->visibleWidget() ) == 1 )
            d->widgetstack->hide();
}

void KPluginSelector::load()
{
    for( TQValueList<KPluginSelectionWidget *>::Iterator it =
            d->pswidgets.begin(); it != d->pswidgets.end(); ++it )
    {
        ( *it )->load();
    }
}

void KPluginSelector::save()
{
    for( TQValueList<KPluginSelectionWidget *>::Iterator it =
            d->pswidgets.begin(); it != d->pswidgets.end(); ++it )
    {
        ( *it )->save();
    }
}

void KPluginSelector::defaults()
{
    kdDebug( 702 ) << k_funcinfo << endl;

    // what should defaults do? here's what I think:
    // Pressing a button in the dialog should not change any widgets that are
    // not visible for the user. Therefor we may only change the currently
    // visible plugin's KCM. Restoring the default plugin selections is therefor
    // not possible. (if the plugin has multiple KCMs they will be shown in a
    // tabwidget - defaults() will be called for all of them)

    TQWidget * pluginconfig = d->widgetstack->visibleWidget();
    TDECModuleProxy * kcm = ::tqqt_cast<TDECModuleProxy*>(pluginconfig);
    if( kcm )
    {
        kdDebug( 702 ) << "call TDECModule::defaults() for the plugins KCM"
            << endl;
        kcm->defaults();
        return;
    }

    // if we get here the visible Widget must be a tabwidget holding more than
    // one KCM
    TQObjectList * kcms = pluginconfig->queryList( "TDECModuleProxy",
            0, false, false );
    TQObjectListIt it( *kcms );
    TQObject * obj;
    while( ( obj = it.current() ) != 0 )
    {
        ++it;
        ( ( TDECModule* )obj )->defaults();
    }
    delete kcms;
    // FIXME: update changed state
}

// vim: sw=4 sts=4 et

#include "kpluginselector.moc"
#include "kpluginselector_p.moc"