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[vlc] / modules / gui / qt4 / components / simple_preferences.cpp
1 /*****************************************************************************
2  * simple_preferences.cpp : "Simple preferences"
3  ****************************************************************************
4  * Copyright (C) 2006-2007 the VideoLAN team
5  * $Id: preferences.cpp 16348 2006-08-25 21:10:10Z zorglub $
6  *
7  * Authors: ClĂ©ment Stenac <zorglub@videolan.org>
8  *          Antoine Cellerier <dionoea@videolan.org>
9  *          Jean-Baptiste Kempf <jb@videolan.org>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation; either version 2 of the License, or
14  * (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24  *****************************************************************************/
25
26 #include "components/simple_preferences.hpp"
27 #include "components/preferences_widgets.hpp"
28
29 #include <vlc_config_cat.h>
30 #include <vlc_configuration.h>
31
32 #include <QString>
33 #include <QFont>
34 #include <QToolButton>
35 #include <QButtonGroup>
36 #include <QUrl>
37 #include <QVBoxLayout>
38
39 #define ICON_HEIGHT 64
40 #define BUTTON_HEIGHT 74
41
42 /*********************************************************************
43  * The List of categories
44  *********************************************************************/
45 SPrefsCatList::SPrefsCatList( intf_thread_t *_p_intf, QWidget *_parent ) :
46                                   QWidget( _parent ), p_intf( _p_intf )
47 {
48     QVBoxLayout *layout = new QVBoxLayout();
49
50     QButtonGroup *buttonGroup = new QButtonGroup( this );
51     buttonGroup->setExclusive ( true );
52     CONNECT( buttonGroup, buttonClicked ( int ),
53             this, switchPanel( int ) );
54
55 #define ADD_CATEGORY( button, label, icon, numb )                           \
56     QToolButton * button = new QToolButton( this );                         \
57     button->setIcon( QIcon( ":/pixmaps/" #icon ) );                         \
58     button->setIconSize( QSize( ICON_HEIGHT , ICON_HEIGHT ) );              \
59     button->setText( label );                                               \
60     button->setToolButtonStyle( Qt::ToolButtonTextUnderIcon );              \
61     button->resize( BUTTON_HEIGHT , BUTTON_HEIGHT);                         \
62     button->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Expanding) ;  \
63     button->setAutoRaise( true );                                           \
64     button->setCheckable( true );                                           \
65     buttonGroup->addButton( button, numb );                                 \
66     layout->addWidget( button );
67
68     ADD_CATEGORY( SPrefsInterface, qtr("Interface"),
69                   spref_cone_Interface_64.png, 0 );
70     ADD_CATEGORY( SPrefsAudio, qtr("Audio"), spref_cone_Audio_64.png, 1 );
71     ADD_CATEGORY( SPrefsVideo, qtr("Video"), spref_cone_Video_64.png, 2 );
72     ADD_CATEGORY( SPrefsSubtitles, qtr("Subtitles"),
73                   spref_cone_Subtitles_64.png, 3 );
74     ADD_CATEGORY( SPrefsInputAndCodecs, qtr("Input and Codecs"),
75                   spref_cone_Input_64.png, 4 );
76     ADD_CATEGORY( SPrefsHotkeys, qtr("Hotkeys"), spref_cone_Hotkeys_64.png, 5 );
77
78     SPrefsInterface->setChecked( true );
79     layout->setMargin( 0 );
80     layout->setSpacing( 1 );
81
82     this->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Expanding);
83     setLayout( layout );
84
85 }
86
87 void SPrefsCatList::switchPanel( int i )
88 {
89     emit currentItemChanged( i );
90 }
91
92 /*********************************************************************
93  * The Panels
94  *********************************************************************/
95 SPrefsPanel::SPrefsPanel( intf_thread_t *_p_intf, QWidget *_parent,
96                           int _number ) : QWidget( _parent ), p_intf( _p_intf )
97 {
98     module_config_t *p_config;
99     ConfigControl *control;
100     number = _number;
101
102 #define CONFIG_GENERIC( option, type, label, qcontrol )                   \
103             p_config =  config_FindConfig( VLC_OBJECT(p_intf), option );  \
104             if( p_config )                                                \
105             {                                                             \
106                 control =  new type ## ConfigControl( VLC_OBJECT(p_intf), \
107                            p_config, label, ui.qcontrol, false );         \
108                 controls.append( control );                               \
109             }
110
111 #define CONFIG_GENERIC_NO_BOOL( option, type, label, qcontrol )           \
112             p_config =  config_FindConfig( VLC_OBJECT(p_intf), option );  \
113             if( p_config )                                                \
114             {                                                             \
115                 control =  new type ## ConfigControl( VLC_OBJECT(p_intf), \
116                            p_config, label, ui.qcontrol );                \
117                 controls.append( control );                               \
118             }
119
120 #define CONFIG_GENERIC_FILE( option, type, label, qcontrol, qbutton )         \
121                 p_config =  config_FindConfig( VLC_OBJECT(p_intf), option );  \
122                 if( p_config )                                                \
123                 {                                                             \
124                     control =  new type ## ConfigControl( VLC_OBJECT(p_intf), \
125                                p_config, label, ui.qcontrol, ui.qbutton,      \
126                             false );                                          \
127                     controls.append( control );                               \
128                 }
129
130 #define START_SPREFS_CAT( name , label )    \
131         case SPrefs ## name:                \
132         {                                   \
133             Ui::SPrefs ## name ui;      \
134             ui.setupUi( panel );            \
135             panel_label->setText( label );
136
137 #define END_SPREFS_CAT      \
138             break;          \
139         }
140
141     QVBoxLayout *panel_layout = new QVBoxLayout();
142     QWidget *panel = new QWidget();
143     panel_layout->setMargin( 3 );
144
145     // Title Label
146     QLabel *panel_label = new QLabel;
147     QFont labelFont = QApplication::font( static_cast<QWidget*>(0) );
148     labelFont.setPointSize( labelFont.pointSize() + 6 );
149     labelFont.setFamily( "Verdana" );
150     panel_label->setFont( labelFont );
151
152     // Title <hr>
153     QFrame *title_line = new QFrame;
154     title_line->setFrameShape(QFrame::HLine);
155     title_line->setFrameShadow(QFrame::Sunken);
156
157     QFont italicFont = QApplication::font( static_cast<QWidget*>(0) );
158     italicFont.setItalic( true );
159
160     switch( number )
161     {
162         /******************************
163          * VIDEO Panel Implementation *
164          ******************************/
165         START_SPREFS_CAT( Video , qtr("General video settings") );
166             CONFIG_GENERIC( "video", Bool, NULL, enableVideo );
167
168             CONFIG_GENERIC( "fullscreen", Bool, NULL, fullscreen );
169             CONFIG_GENERIC( "overlay", Bool, NULL, overlay );
170             CONFIG_GENERIC( "video-on-top", Bool, NULL, alwaysOnTop );
171             CONFIG_GENERIC( "video-deco", Bool, NULL, windowDecorations );
172             CONFIG_GENERIC( "skip-frames" , Bool, NULL, skipFrames );
173             CONFIG_GENERIC( "vout", Module, NULL, outputModule );
174
175 #ifdef WIN32
176             CONFIG_GENERIC( "directx-wallpaper" , Bool , NULL, wallpaperMode );
177             CONFIG_GENERIC( "directx-device", StringList, NULL,
178                             dXdisplayDevice );
179 #else
180             ui.directXBox->setVisible( false );
181 #endif
182
183             CONFIG_GENERIC_FILE( "snapshot-path", Directory, NULL,
184                     snapshotsDirectory, snapshotsDirectoryBrowse );
185             CONFIG_GENERIC( "snapshot-prefix", String, NULL, snapshotsPrefix );
186             CONFIG_GENERIC( "snapshot-sequential", Bool, NULL,
187                             snapshotsSequentialNumbering );
188             CONFIG_GENERIC( "snapshot-format", StringList, NULL,
189                             snapshotsFormat );
190          END_SPREFS_CAT;
191
192         /******************************
193          * AUDIO Panel Implementation *
194          ******************************/
195         START_SPREFS_CAT( Audio, qtr("General audio settings") );
196
197             CONFIG_GENERIC( "audio", Bool, NULL, enableAudio );
198
199             /* and hide if necessary */
200
201 #ifdef WIN32
202             ui.OSSControl->hide();
203             ui.alsaControl->hide();
204 #else
205             ui.DirectXControl->hide();
206 #endif
207             ui.lastfm_user_edit->hide();
208             ui.lastfm_user_label->hide();
209             ui.lastfm_pass_edit->hide();
210             ui.lastfm_pass_label->hide();
211
212             /* General Audio Options */
213             CONFIG_GENERIC_NO_BOOL( "volume" , IntegerRangeSlider, NULL,
214                                      defaultVolume );
215             CONFIG_GENERIC( "audio-language" , String , NULL,
216                             preferredAudioLanguage );
217
218             CONFIG_GENERIC( "spdif", Bool, NULL, spdifBox );
219             CONFIG_GENERIC( "force-dolby-surround" , IntegerList , NULL,
220                             detectionDolby );
221
222             CONFIG_GENERIC( "headphone-dolby" , Bool , NULL, headphoneEffect );
223
224             CONFIG_GENERIC_NO_BOOL( "norm-max-level" , Float , NULL,
225                                     volNormSpin );
226             CONFIG_GENERIC( "audio-visual" , Module , NULL, visualisation);
227
228             /* Audio Output Specifics */
229             CONFIG_GENERIC( "aout", Module, NULL, outputModule );
230
231             CONNECT( ui.outputModule, currentIndexChanged( int ), this,
232                              updateAudioOptions( int ) );
233
234         //TODO: use modules_Exists
235 #ifndef WIN32
236             CONFIG_GENERIC( "alsadev" , StringList , ui.alsaLabel, alsaDevice );
237             CONFIG_GENERIC_FILE( "dspdev" , File , ui.OSSLabel, OSSDevice,
238                                  OSSBrowse );
239 #else
240             CONFIG_GENERIC( "directx-audio-device", IntegerList,
241                     ui.DirectXLabel, DirectXDevice );
242 #endif
243         // File exists everywhere
244             CONFIG_GENERIC_FILE( "audiofile-file" , File , ui.fileLabel,
245                                  fileName, fileBrowseButton );
246
247             optionWidgets.append( ui.alsaControl );
248             optionWidgets.append( ui.OSSControl );
249             optionWidgets.append( ui.DirectXControl );
250             optionWidgets.append( ui.fileControl );
251             optionWidgets.append( ui.outputModule );
252             optionWidgets.append( ui.volNormBox );
253             updateAudioOptions( ui.outputModule->currentIndex() );
254
255             /* LastFM */
256             CONFIG_GENERIC( "lastfm-username", String, ui.lastfm_user_label,
257                          lastfm_user_edit );
258             CONFIG_GENERIC( "lastfm-password", String, ui.lastfm_pass_label,
259                          lastfm_pass_edit );
260
261             if( config_ExistIntf( VLC_OBJECT( p_intf ), "audioscrobbler" ) )
262                 ui.lastfm->setCheckState( Qt::Checked );
263             else
264                 ui.lastfm->setCheckState( Qt::Unchecked );
265             CONNECT( ui.lastfm, stateChanged( int ), this ,
266                     lastfm_Changed( int ) );
267
268             /* Normalizer */
269
270             CONNECT( ui.volNormBox, toggled( bool ), ui.volNormSpin,
271                      setEnabled( bool ) );
272             qs_filter = qfu( config_GetPsz( p_intf, "audio-filter" ) );
273             bool b_normalizer = ( qs_filter.contains( "volnorm" ) );
274             {
275                 ui.volNormBox->setChecked( b_normalizer );
276                 ui.volNormSpin->setEnabled( b_normalizer );
277             }
278
279         END_SPREFS_CAT;
280
281         /* Input and Codecs Panel Implementation */
282         START_SPREFS_CAT( InputAndCodecs, qtr("Input & Codecs settings") );
283
284             /* Disk Devices */
285             {
286                 ui.DVDDevice->setToolTip(
287                     //BUG: make this sentence understandable
288                     qtr( "If this property is blank, then you have\n"
289                          "values for DVD, VCD, and CDDA.\n"
290                          "You can define a unique one or set that in"
291                          "the advanced preferences" ) );
292                 char *psz_dvddiscpath = config_GetPsz( p_intf, "dvd" );
293                 char *psz_vcddiscpath = config_GetPsz( p_intf, "vcd" );
294                 char *psz_cddadiscpath = config_GetPsz( p_intf, "cd-audio" );
295                 if( ( *psz_cddadiscpath == *psz_dvddiscpath )
296                    && ( *psz_dvddiscpath == *psz_vcddiscpath ) )
297                 {
298                     ui.DVDDevice->setText( qfu( psz_dvddiscpath ) );
299                 }
300                 delete psz_cddadiscpath; delete psz_dvddiscpath;
301                 delete psz_vcddiscpath;
302             }
303
304             CONFIG_GENERIC_NO_BOOL( "server-port", Integer, NULL, UDPPort );
305             CONFIG_GENERIC( "http-proxy", String , NULL, proxy );
306             CONFIG_GENERIC_NO_BOOL( "ffmpeg-pp-q", Integer, NULL, PostProcLevel );
307             CONFIG_GENERIC( "avi-index", IntegerList, NULL, AviRepair );
308             CONFIG_GENERIC( "rtsp-tcp", Bool, NULL, RTSP_TCPBox );
309 #ifdef WIN32
310             CONFIG_GENERIC( "prefer-system-codecs", Bool, NULL, systemCodecBox );
311 #else
312             ui.systemCodecBox->hide();
313 #endif
314             /* Access Filters */
315             qs_filter = qfu( config_GetPsz( p_intf, "access-filter" ) );
316             ui.timeshiftBox->setChecked( qs_filter.contains( "timeshift" ) );
317             ui.dumpBox->setChecked( qs_filter.contains( "dump" ) );
318             ui.recordBox->setChecked( qs_filter.contains( "record" ) );
319             ui.bandwidthBox->setChecked( qs_filter.contains( "bandwidth" ) );
320
321             optionWidgets.append( ui.recordBox );
322             optionWidgets.append( ui.dumpBox );
323             optionWidgets.append( ui.bandwidthBox );
324             optionWidgets.append( ui.timeshiftBox );
325             optionWidgets.append( ui.DVDDevice );
326             optionWidgets.append( ui.cachingCombo );
327
328             /* Caching */
329             /* Add the things to the ComboBox */
330             #define addToCachingBox( str, cachingNumber ) \
331                 ui.cachingCombo->addItem( str, QVariant( cachingNumber ) );
332             addToCachingBox( "Custom", CachingCustom );
333             addToCachingBox( "Lowest latency", CachingLowest );
334             addToCachingBox( "Low latency", CachingLow );
335             addToCachingBox( "Normal", CachingNormal );
336             addToCachingBox( "High latency", CachingHigh );
337             addToCachingBox( "Higher latency", CachingHigher );
338
339 #define TestCaC( name ) \
340     b_cache_equal =  b_cache_equal && ( i_cache == config_GetInt( p_intf, name ) );
341
342 #define TestCaCi( name, int ) \
343     b_cache_equal = b_cache_equal &&  \
344     ( ( i_cache * int ) == config_GetInt( p_intf, name ) );
345             /* Select the accurate value of the ComboBox */
346             bool b_cache_equal = true;
347             int i_cache = config_GetInt( p_intf, "file-caching");
348
349             TestCaC( "udp-caching" ) TestCaC( "dvdread-caching" )
350             TestCaC( "dvdnav-caching" ) TestCaC( "tcp-caching" )
351             TestCaC( "fake-caching" ) TestCaC( "cdda-caching" )
352             TestCaC( "screen-caching" ) TestCaC( "vcd-caching" )
353             #ifdef WIN32
354             TestCaC( "dshow-caching" )
355             #else
356             TestCaC( "v4l-caching" ) TestCaC( "jack-input-caching" )
357             TestCaC( "v4l2-caching" ) TestCaC( "pvr-caching" )
358             #endif
359             TestCaCi( "rtsp-caching", 4 ) TestCaCi( "ftp-caching", 2 )
360             TestCaCi( "http-caching", 4 ) TestCaCi( "realrtsp-caching", 10 )
361             TestCaCi( "mms-caching", 19 )
362             if( b_cache_equal ) ui.cachingCombo->setCurrentIndex(
363                 ui.cachingCombo->findData( QVariant( i_cache ) ) );
364
365         END_SPREFS_CAT;
366         /*******************
367          * Interface Panel *
368          *******************/
369         START_SPREFS_CAT( Interface, qtr("Interface settings") );
370             ui.defaultLabel->setFont( italicFont );
371             ui.skinsLabel->setFont( italicFont );
372
373 #if defined( WIN32 ) || defined (__APPLE__)
374             CONFIG_GENERIC( "language", StringList, NULL, language );
375 #else
376             ui.language->hide();
377             ui.languageLabel->hide();
378 #endif
379
380             /* interface */
381             char *psz_intf = config_GetPsz( p_intf, "intf" );
382             if( psz_intf )
383             {
384                 msg_Dbg( p_intf, "Interface in config file: %s", psz_intf );
385                 if( strstr( psz_intf, "skin" ) )
386                     ui.skins->setChecked( true );
387                 else if( strstr( psz_intf, "qt" ) )
388                     ui.qt4->setChecked( true );
389             }
390             delete psz_intf;
391
392             optionWidgets.append( ui.skins );
393             optionWidgets.append( ui.qt4 );
394
395             CONFIG_GENERIC( "album-art", IntegerList, ui.artFetchLabel, artFetcher );
396             CONFIG_GENERIC( "fetch-meta", Bool, NULL, metaFetcher );
397             CONFIG_GENERIC( "qt-updates-notif", Bool, NULL, qtUpdates );
398             CONFIG_GENERIC( "qt-always-video", Bool, NULL, qtAlwaysVideo );
399             CONFIG_GENERIC_FILE( "skins2-last", File, NULL, fileSkin,
400                     skinBrowse );
401 #if defined( WIN32 ) || defined( HAVE_DBUS_3 )
402             CONFIG_GENERIC( "one-instance", Bool, NULL, OneInterfaceMode );
403             CONFIG_GENERIC( "playlist-enqueue", Bool, NULL,
404                     EnqueueOneInterfaceMode );
405 #else
406             ui.OneInterfaceBox->hide();
407 #endif
408         END_SPREFS_CAT;
409
410         START_SPREFS_CAT( Subtitles, qtr("Subtitles & OSD settings") );
411             CONFIG_GENERIC( "osd", Bool, NULL, OSDBox);
412
413             CONFIG_GENERIC( "subsdec-encoding", StringList, NULL, encoding );
414             CONFIG_GENERIC( "sub-language", String, NULL, preferredLanguage );
415             CONFIG_GENERIC_FILE( "freetype-font", File, NULL, font,
416                             fontBrowse );
417             CONFIG_GENERIC( "freetype-color", IntegerList, NULL, fontColor );
418             CONFIG_GENERIC( "freetype-rel-fontsize", IntegerList, NULL,
419                             fontSize );
420             CONFIG_GENERIC( "freetype-effect", IntegerList, NULL, effect );
421
422         END_SPREFS_CAT;
423
424         case SPrefsHotkeys:
425         {
426             p_config = config_FindConfig( VLC_OBJECT(p_intf), "key-fullscreen" );
427
428             QGridLayout *gLayout = new QGridLayout;
429             panel->setLayout( gLayout );
430             int line = 0;
431
432             KeySelectorControl *ksCtrl =
433                         new KeySelectorControl( VLC_OBJECT(p_intf), p_config ,
434                                                 this, gLayout, line );
435
436             panel_label->setText( qtr( "Configure Hotkeys" ) );
437
438             break;
439         }
440     }
441
442     panel_layout->addWidget( panel_label );
443     panel_layout->addWidget( title_line );
444     panel_layout->addWidget( panel );
445     if( number != SPrefsHotkeys ) panel_layout->addStretch( 2 );
446
447     setLayout( panel_layout );
448 }
449
450 void SPrefsPanel::updateAudioOptions( int number)
451 {
452     QString value = qobject_cast<QComboBox *>(optionWidgets[audioOutCoB])
453                                             ->itemData( number ).toString();
454
455 #ifndef WIN32
456     optionWidgets[ossW]->setVisible( ( value == "oss" ) );
457     optionWidgets[alsaW]->setVisible( ( value == "alsa" ) );
458 #else
459     optionWidgets[directxW]->setVisible( ( value == "directx" ) );
460 #endif
461     optionWidgets[fileW]->setVisible( ( value == "aout_file" ) );
462 }
463
464 /* Function called from the main Preferences dialog on each SPrefs Panel */
465 void SPrefsPanel::apply()
466 {
467     msg_Dbg( p_intf, "Trying to save the %i simple panel", number );
468
469     /* Generic save for ever panel */
470     QList<ConfigControl *>::Iterator i;
471     for( i = controls.begin() ; i != controls.end() ; i++ )
472     {
473         ConfigControl *c = qobject_cast<ConfigControl *>(*i);
474         c->doApply( p_intf );
475     }
476
477     switch( number )
478     {
479     case SPrefsInputAndCodecs:
480     {
481         /* Device default selection */
482         char *psz_devicepath =
483               qtu( qobject_cast<QLineEdit *>(optionWidgets[inputLE] )->text() );
484         if( !EMPTY_STR( psz_devicepath ) )
485         {
486             config_PutPsz( p_intf, "dvd", psz_devicepath );
487             config_PutPsz( p_intf, "vcd", psz_devicepath );
488             config_PutPsz( p_intf, "cd-audio", psz_devicepath );
489         }
490
491         /* Access filters */
492 #define saveBox( name, box ) {\
493         if( box->isChecked() ) { \
494             if( b_first ) { \
495                 qs_filter.append( name ); \
496                 b_first = false; \
497             } \
498             else qs_filter.append( ":" ).append( name ); \
499         } }
500
501         bool b_first = true;
502         qs_filter.clear();
503         saveBox( "record", qobject_cast<QCheckBox *>(optionWidgets[recordChB]) );
504         saveBox( "dump", qobject_cast<QCheckBox *>(optionWidgets[dumpChB]) );
505         saveBox( "timeshift", qobject_cast<QCheckBox *>(optionWidgets[timeshiftChB]) );
506         saveBox( "bandwidth", qobject_cast<QCheckBox *>(optionWidgets[bandwidthChB] ) );
507         config_PutPsz( p_intf, "access-filter", qtu( qs_filter ) );
508
509 #define CaCi( name, int ) config_PutInt( p_intf, name, int * i_comboValue );
510 #define CaC( name ) CaCi( name, 1 );
511         /* Caching */
512         QComboBox *cachingCombo = qobject_cast<QComboBox *>(optionWidgets[cachingCoB]);
513         int i_comboValue = cachingCombo->itemData( cachingCombo->currentIndex() ).toInt();
514         if( i_comboValue )
515         {
516             msg_Dbg( p_intf, "Adjusting all cache values at: %i", i_comboValue );
517             CaC( "udp-caching" ); CaC( "dvdread-caching" );
518             CaC( "dvdnav-caching" ); CaC( "tcp-caching" ); CaC( "vcd-caching" );
519             CaC( "fake-caching" ); CaC( "cdda-caching" ); CaC( "file-caching" );
520             CaC( "screen-caching" );
521             CaCi( "rtsp-caching", 4 ); CaCi( "ftp-caching", 2 );
522             CaCi( "http-caching", 4 ); CaCi( "realrtsp-caching", 10 );
523             CaCi( "mms-caching", 19 );
524             #ifdef WIN32
525             CaC( "dshow-caching" );
526             #else
527             CaC( "v4l-caching" ); CaC( "jack-input-caching" );
528             CaC( "v4l2-caching" ); CaC( "pvr-caching" );
529             #endif
530             //CaCi( "dv-caching" ) too short...
531         }
532         break;
533     }
534
535     /* Interfaces */
536     case SPrefsInterface:
537     {
538         if( qobject_cast<QRadioButton *>(optionWidgets[skinRB])->isChecked() )
539             config_PutPsz( p_intf, "intf", "skins2" );
540         if( qobject_cast<QRadioButton *>(optionWidgets[qtRB])->isChecked() )
541             config_PutPsz( p_intf, "intf", "qt4" );
542         break;
543     }
544
545     case SPrefsAudio:
546     {
547         bool b_normChecked =
548             qobject_cast<QCheckBox *>(optionWidgets[normalizerChB])->isChecked();
549         if( qs_filter.isEmpty() )
550         {
551             /* the psz_filter is already empty, so we just append it needed */
552             if( b_normChecked ) qs_filter = "volnorm";
553         }
554         else /* Not Empty */
555         {
556             if( qs_filter.contains( "volnorm" ) )
557             {
558                 /* The qs_filter not empty and contains "volnorm"
559                    that we have to remove */
560                 if( !b_normChecked )
561                 {
562                     /* Ugly :D */
563                     qs_filter.remove( "volnorm:" );
564                     qs_filter.remove( ":volnorm" );
565                     qs_filter.remove( "volnorm" );
566                 }
567             }
568             else /* qs_filter not empty, but doesn't have volnorm inside */
569                 if( b_normChecked ) qs_filter.append( ":volnorm" );
570         }
571         config_PutPsz( p_intf, "audio-filter", qtu( qs_filter ) );
572         break;
573     }
574     }
575 }
576
577 void SPrefsPanel::clean()
578 {}
579
580 void SPrefsPanel::lastfm_Changed( int i_state )
581 {
582     if( i_state == Qt::Checked )
583         config_AddIntf( VLC_OBJECT( p_intf ), "audioscrobbler" );
584     else if( i_state == Qt::Unchecked )
585         config_RemoveIntf( VLC_OBJECT( p_intf ), "audioscrobbler" );
586 }