always compile before commit

1 files changed, 1 insertions, 1 deletions

diff --git a/noncore/multimedia/powerchord/powerchordbase.cpp b/noncore/multimedia/powerchord/powerchordbase.cpp
index 92198bf..98fe3f7 100644
--- a/noncore/multimedia/powerchord/powerchordbase.cpp
+++ b/noncore/multimedia/powerchord/powerchordbase.cpp
@@ -1,593 +1,593 @@
 /****************************************************************************
 ** Form implementation generated from reading ui file 'powerchordbase.ui'
 **
 ** Created: Sun Jan 13 23:05:11 2002
 **      by:  The User Interface Compiler (uic)
 **
 ** WARNING! All changes made in this file will be lost!
 ****************************************************************************/
 #include "powerchordbase.h"
 #include "fretboard.h"
 #include "vumeter.h"
 
 /* OPIE */
 #include <opie2/odebug.h>
 #include <qpe/resource.h>
 using namespace Opie::Core;
 
 /* QT */
 #include <qcombobox.h>
 #include <qlabel.h>
 #include <qlistbox.h>
 #include <qpushbutton.h>
 #include <qspinbox.h>
 #include <qtabwidget.h>
 #include <qlayout.h>
 #include <qtooltip.h>
 
 /*
  *  Constructs a PowerchordBase which is a child of 'parent', with the
  *  name 'name' and widget flags set to 'f'
  */
 PowerchordBase::PowerchordBase( QWidget* parent,  const char* name, WFlags fl )
     : QWidget( parent, name, fl )
 {
   simulation_timer = 0;
   audio_timer = 0;
 
   //    setPalette( QPalette( QColor( 232, 227, 215) ) );
 
   //  QPixmap image0(QString("/opt/Qtopia/pics/powerchord/image0"));
   QPixmap image1 = Resource::loadPixmap( "powerchord/image1");
   QPixmap image2 = Resource::loadPixmap( "powerchord/image2");
   QPixmap image3 = Resource::loadPixmap( "powerchord/image3");
   QPixmap image4 = Resource::loadPixmap( "powerchord/image4");
   QPixmap image5 = Resource::loadPixmap( "powerchord/image5");
   image6 = Resource::loadPixmap( "powerchord/image6");
   image_open = Resource::loadPixmap( "powerchord/image_open");
 
   //  image0.setMask(image0.createHeuristicMask());
    image1.setMask(image1.createHeuristicMask());
     //    image2.setMask(image2.createHeuristicMask());
     //    image3.setMask(image3.createHeuristicMask());
     //    image4.setMask(image4.createHeuristicMask());
     //    image5.setMask(image5.createHeuristicMask());
     //    image6->setMask(image6->createHeuristicMask());
     //    image_open->setMask(image_open->createHeuristicMask());
 
     if ( !name )
         setName( "PowerchordBase" );
     resize( 240, 284 );
     setSizePolicy( QSizePolicy( (QSizePolicy::SizeType)5, (QSizePolicy::SizeType)5, sizePolicy().hasHeightForWidth() ) );
     setMinimumSize( QSize( 240, 284 ) );
     setMaximumSize( QSize( 240, 284 ) );
     setCaption( tr( "Powerchord" ) );
 
     tabs = new QTabWidget( this, "tabs" );
     tabs->setEnabled( TRUE );
     tabs->setGeometry( QRect( 0, 0, 240, 286 ) ); 
     tabs->setTabPosition( QTabWidget::Bottom );
 
     tab = new QWidget( tabs, "tab" );
 
     chordkey = new QComboBox( FALSE, tab, "chordkey" );
     chordkey->insertItem( tr( "maj" ) );
     chordkey->insertItem( tr( "min" ) );
     chordkey->insertItem( tr( "7th" ) );
     chordkey->insertItem( tr( "m7" ) );
     chordkey->insertItem( tr( "maj7" ) );
     chordkey->insertItem( tr( "6th" ) );
     chordkey->insertItem( tr( "m6th" ) );
     chordkey->insertItem( tr( "aug" ) );
     chordkey->insertItem( tr( "dim" ) );
     chordkey->insertItem( tr( "sus4" ) );
     chordkey->insertItem( tr( "7sus4" ) );
     chordkey->insertItem( tr( "9th" ) );
     chordkey->insertItem( tr( "add9" ) );
     chordkey->insertItem( tr( "m9th" ) );
     chordkey->insertItem( tr( "maj9" ) );
     chordkey->insertItem( tr( "sus2" ) );
     chordkey->insertItem( tr( "7sus2" ) );
     chordkey->insertItem( tr( "11th" ) );
     chordkey->insertItem( tr( "m11th" ) );
     chordkey->insertItem( tr( "13th" ) );
     chordkey->insertItem( tr( "m13th" ) );
     chordkey->insertItem( tr( "maj13" ) );
     chordkey->insertItem( tr( "6/9" ) );
     chordkey->insertItem( tr( "flat5" ) );
     chordkey->insertItem( tr( "7#9" ) );
     chordkey->insertItem( tr( QString::fromUtf8( "ø7" ) ) );
     chordkey->insertItem( tr( "5" ) );
     chordkey->setGeometry( QRect( 40, 0, 51, 21 ) ); 
 
     chordfret = new QComboBox( FALSE, tab, "chordfret" );
     chordfret->insertItem( tr( "open" ) );
     chordfret->insertItem( tr( "1st" ) );
     chordfret->insertItem( tr( "2nd" ) );
     chordfret->insertItem( tr( "3rd" ) );
     chordfret->insertItem( tr( "4th" ) );
     chordfret->insertItem( tr( "5th" ) );
     chordfret->insertItem( tr( "6th" ) );
     chordfret->insertItem( tr( "7th" ) );
     chordfret->insertItem( tr( "8th" ) );
     chordfret->insertItem( tr( "9th" ) );
     chordfret->insertItem( tr( "10th" ) );
     chordfret->insertItem( tr( "11th" ) );
     chordfret->insertItem( tr( "12th" ) );
     chordfret->insertItem( tr( "13th" ) );
     chordfret->insertItem( tr( "14th" ) );
     chordfret->insertItem( tr( "15th" ) );
     chordfret->insertItem( tr( "16th" ) );
     chordfret->setGeometry( QRect( 90, 0, 55, 21 ) ); //cxm less 5 width
 
     chordnote = new QComboBox( FALSE, tab, "chordnote" );
     chordnote->insertItem( tr( "C" ) );
     chordnote->insertItem( tr( "C#" ) );
     chordnote->insertItem( tr( "D" ) );
     chordnote->insertItem( tr( "Eb" ) );
     chordnote->insertItem( tr( "E" ) );
     chordnote->insertItem( tr( "F" ) );
     chordnote->insertItem( tr( "F#" ) );
     chordnote->insertItem( tr( "G" ) );
     chordnote->insertItem( tr( "G#" ) );
     chordnote->insertItem( tr( "A" ) );
     chordnote->insertItem( tr( "Bb" ) );
     chordnote->insertItem( tr( "B" ) );
     chordnote->setGeometry( QRect( 0, 0, 40, 21 ) ); 
     chordnote->setCurrentItem( 9 );
 
     QWidget* privateLayoutWidget = new QWidget( tab, "Layout1" );
     privateLayoutWidget->setGeometry( QRect( 5, 232, 160, 20 ) ); 
     Layout1 = new QHBoxLayout( privateLayoutWidget ); 
     Layout1->setSpacing( 6 );
     Layout1->setMargin( 0 );
 
     s1_1 = new QLabel( privateLayoutWidget, "s1_1" );
     s1_1->setText( tr( "E" ) );
     s1_1->setAlignment( int( QLabel::AlignCenter ) );
     Layout1->addWidget( s1_1 );
 
     s1_2 = new QLabel( privateLayoutWidget, "s1_2" );
     s1_2->setText( tr( "A" ) );
     s1_2->setAlignment( int( QLabel::AlignCenter ) );
     Layout1->addWidget( s1_2 );
 
     s1_3 = new QLabel( privateLayoutWidget, "s1_3" );
     s1_3->setText( tr( "E" ) );
     s1_3->setAlignment( int( QLabel::AlignCenter ) );
     Layout1->addWidget( s1_3 );
 
     s1_4 = new QLabel( privateLayoutWidget, "s1_4" );
     s1_4->setText( tr( "A" ) );
     s1_4->setAlignment( int( QLabel::AlignCenter ) );
     Layout1->addWidget( s1_4 );
 
     s1_5 = new QLabel( privateLayoutWidget, "s1_5" );
     s1_5->setText( tr( "C#" ) );
     s1_5->setAlignment( int( QLabel::AlignCenter ) );
     Layout1->addWidget( s1_5 );
 
     s1_6 = new QLabel( privateLayoutWidget, "s1_6" );
     s1_6->setText( tr( "E" ) );
     s1_6->setAlignment( int( QLabel::AlignCenter ) );
     Layout1->addWidget( s1_6 );
 
     //    sound_label = new QLabel( tab, "sound_label" );
     //    sound_label->setGeometry( QRect( 185, 160, 32, 17 ) ); 
     //    sound_label->setSizePolicy( QSizePolicy( (QSizePolicy::SizeType)0, (QSizePolicy::SizeType)0, sound_label->sizePolicy().hasHeightForWidth() ) );
     //    sound_label->setPixmap( image0 );
     //    sound_label->pixmap()->setMask(*image0.mask());
     //    sound_label->setScaledContents( TRUE );
     //  sound_label->setBackgroundMode( QWidget::PaletteButton );
     //    sound_label->setBackgroundColor(this->backgroundColor());
     //    sound_label->setPalette( QPalette( QColor( 232, 227, 215) ) );
 
 
     Frame6 = new QFrame( tab, "Frame6" );
     Frame6->setGeometry( QRect( 170, 145, 66, 10 ) ); 
     Frame6->setFrameShape( QFrame::HLine );
     Frame6->setFrameShadow( QFrame::Raised );
 
     chordshow_label = new QLabel( tab, "chordshow_label" );
     chordshow_label->setGeometry( QRect( 185, 60, 32, 17 ) ); 
     //    chordshow_label->setSizePolicy( QSizePolicy( (QSizePolicy::SizeType)0, (QSizePolicy::SizeType)0, chordshow_label->sizePolicy().hasHeightForWidth() ) );
     chordshow_label->setFrameShape( QLabel::NoFrame );
     chordshow_label->setPixmap( image1 );
     chordshow_label->setScaledContents( TRUE );
     //    chordshow_label->setBackgroundMode( QWidget::PaletteButton );
 
     transport_rec = new QPushButton( tab, "transport_rec" );
     transport_rec->setGeometry( QRect( 170, 80, 30, 30 ) ); 
     transport_rec->setText( tr( "" ) );
     transport_rec->setPixmap( image2 );
 
     play_sound = new QPushButton( tab, "play_sound" );
     play_sound->setGeometry( QRect( 170, 180, 60, 55 ) ); 
     play_sound->setText( tr( "" ) );
     play_sound->setPixmap( image3 );
 
     Frame6_2 = new QFrame( tab, "Frame6_2" );
     Frame6_2->setGeometry( QRect( 170, 45, 66, 10 ) ); 
     Frame6_2->setFrameShape( QFrame::HLine );
     Frame6_2->setFrameShadow( QFrame::Raised );
 
     transport_play = new QPushButton( tab, "transport_play" );
     transport_play->setEnabled( FALSE );
     transport_play->setGeometry( QRect( 200, 80, 30, 30 ) ); 
     transport_play->setText( tr( "" ) );
     transport_play->setPixmap( image3 );
 
     transport_rew = new QPushButton( tab, "transport_rew" );
     transport_rew->setEnabled( FALSE );
     transport_rew->setGeometry( QRect( 170, 110, 30, 30 ) ); 
     transport_rew->setText( tr( "" ) );
     transport_rew->setPixmap( image4 );
 
     transport_fwd = new QPushButton( tab, "transport_fwd" );
     transport_fwd->setEnabled( FALSE );
     transport_fwd->setGeometry( QRect( 200, 110, 30, 30 ) ); 
     transport_fwd->setText( tr( "" ) );
     transport_fwd->setPixmap( image5 );
 
     chordname = new QLabel( tab, "chordname" );
     chordname->setGeometry( QRect( 146, 0, 90, 20 ) ); //cxm moved l 5
     chordname->setText( tr( "A" ) );
     chordname->setAlignment( int( QLabel::AlignCenter ) );
     QToolTip::add(  chordname, tr( "" ) );
 
     synth = new gs();
     tuner = new gt();
     frets = new FretBoard( tab, "frets" );
     frets->setGeometry( QRect( 0, 20, 168, 210 ) ); 
     tabs->insertTab( tab, tr( "Guitar" ) );
 
     tab_2 = new QWidget( tabs, "tab_2" );
 
     optlab2 = new QLabel( tab_2, "optlab2" );
     optlab2->setGeometry( QRect( 9, 58, 120, 41 ) ); 
     optlab2->setText( tr( "Alternative tunings are possible" ) );
     optlab2->setAlignment( int( QLabel::WordBreak | QLabel::AlignVCenter | QLabel::AlignLeft ) );
 
     span = new QComboBox( FALSE, tab_2, "span" );
     span->insertItem( tr( "2" ) );
     span->insertItem( tr( "3" ) );
     span->insertItem( tr( "4" ) );
     span->insertItem( tr( "5" ) );
     span->insertItem( tr( "6" ) );
     span->setGeometry( QRect( 180, 20, 50, 21 ) ); 
     span->setCurrentItem( 1 );
 
     TextLabel1 = new QLabel( tab_2, "TextLabel1" );
     TextLabel1->setGeometry( QRect( 3, 109, 226, 140 ) ); 
     TextLabel1->setText( tr( QString::fromUtf8( "©2002 Camilo Mesias\n"
 "camilo@mesias.co.uk\n"
 "Version 0.0.7 beta" ) ) );
     TextLabel1->setAlignment( int( QLabel::AlignBottom | QLabel::AlignLeft ) );
 
     tuning = new QComboBox( FALSE, tab_2, "tuning" );
     tuning->insertItem( tr( "EADGBE" ) );
     tuning->insertItem( tr( "EBEG#BE" ) );
     tuning->insertItem( tr( "EAEAC#E" ) );
     tuning->insertItem( tr( "EADF#BE" ) );
     tuning->insertItem( tr( "EADGCF" ) );
     tuning->insertItem( tr( "DADGAD" ) );
     tuning->insertItem( tr( "DGCGCD" ) );
     tuning->insertItem( tr( "DADF#AD" ) );
     tuning->insertItem( tr( "DADGBE" ) );
     tuning->insertItem( tr( "DGDGBD" ) );
     tuning->insertItem( tr( "DADACD" ) );
     tuning->insertItem( tr( "CGCGAE" ) );
     tuning->insertItem( tr( "FADGBE" ) );
     tuning->insertItem( tr( "G minor" ) );
     tuning->setGeometry( QRect( 140, 70, 91, 21 ) ); 
 
     optlab1 = new QLabel( tab_2, "optlab1" );
     optlab1->setGeometry( QRect( 8, 8, 160, 40 ) ); 
     optlab1->setText( tr( "Span: the greatest number of frets over which you want chords to be generated" ) );
     optlab1->setAlignment( int( QLabel::WordBreak | QLabel::AlignVCenter | QLabel::AlignLeft ) );
     tabs->insertTab( tab_2, tr( "Options" ) );
 
     Tuner = new QWidget( tabs, "Tuner" );
 
     Frame4 = new QFrame( Tuner, "Frame4" );
     Frame4->setGeometry( QRect( 0, 0, 230, 126 ) ); 
     Frame4->setFrameShape( QFrame::Box );
     Frame4->setFrameShadow( QFrame::Raised );
 
     vu = new VUMeter( Frame4, "vu" );
     vu->setGeometry( QRect( 5, 5, 220, 115 ) ); 
 
     tuner_note = new QComboBox( FALSE, Tuner, "tuner_note" );
     tuner_note->insertItem( tr( "auto" ) );
     tuner_note->insertItem( tr( "E" ) );
     tuner_note->insertItem( tr( "D" ) );
     tuner_note->insertItem( tr( "G" ) );
     tuner_note->insertItem( tr( "A" ) );
     tuner_note->insertItem( tr( "B" ) );
     tuner_note->insertItem( tr( "C" ) );
     tuner_note->insertItem( tr( "F" ) );
     tuner_note->setGeometry( QRect( 5, 160, 90, 20 ) ); 
 
     Frame8 = new QFrame( Tuner, "Frame8" );
     Frame8->setGeometry( QRect( -2, 188, 231, 10 ) ); 
     Frame8->setFrameShape( QFrame::HLine );
     Frame8->setFrameShadow( QFrame::Raised );
 
     tuner_start = new QPushButton( Tuner, "tuner_start" );
     tuner_start->setGeometry( QRect( 100, 155, 91, 30 ) ); 
     tuner_start->setText( tr( "Start" ) );
 
     tuner_lab1 = new QLabel( Tuner, "tuner_lab1" );
     tuner_lab1->setGeometry( QRect( 10, 130, 100, 21 ) ); 
     tuner_lab1->setText( tr( "Tuner operation" ) );
 
     tuner_lab2 = new QLabel( Tuner, "tuner_lab2" );
     tuner_lab2->setGeometry( QRect( 10, 200, 100, 16 ) ); 
     tuner_lab2->setText( tr( "Pitch calibration" ) );
 
     tuner_calib_note = new QComboBox( FALSE, Tuner, "tuner_calib_note" );
     tuner_calib_note->insertItem( tr( "A" ) );
     tuner_calib_note->insertItem( tr( "C" ) );
     tuner_calib_note->setGeometry( QRect( 5, 225, 90, 21 ) ); 
 
     tuner_calib_freq = new QSpinBox( Tuner, "tuner_calib_freq" );
     tuner_calib_freq->setGeometry( QRect( 105, 225, 71, 21 ) ); 
     tuner_calib_freq->setSuffix( tr( "Hz" ) );
     tuner_calib_freq->setWrapping( TRUE );
     tuner_calib_freq->setMaxValue( 500 );
     tuner_calib_freq->setMinValue( 300 );
     tuner_calib_freq->setValue( 440 );
 
     tuner_lab3 = new QLabel( Tuner, "tuner_lab3" );
     tuner_lab3->setGeometry( QRect( 185, 225, 40, 21 ) ); 
     tuner_lab3->setText( tr( "Pitch" ) );
 
     tuner_pic1 = new QLabel( Tuner, "tuner_pic1" );
     tuner_pic1->setGeometry( QRect( 195, 155, 31, 31 ) ); 
     tuner_pic1->setFrameShape( QLabel::NoFrame );
     tuner_pic1->setPixmap( image6 );
     tuner_pic1->setScaledContents( TRUE );
     tabs->insertTab( Tuner, tr( "Tuner" ) );
 
     tab_3 = new QWidget( tabs, "tab_3" );
 
     chordlistlab1 = new QLabel( tab_3, "chordlistlab1" );
     chordlistlab1->setGeometry( QRect( 5, 5, 216, 16 ) );
     chordlistlab1->setText( tr( "Chord list" ) );
 
     chordlist = new QListBox( tab_3, "chordlist" );
     chordlist->setGeometry( QRect( 5, 25, 220, 200 ) );
 
     list_remove_btn = new QPushButton( tab_3, "list_remove_btn" );
     list_remove_btn->setGeometry( QRect( 150, 230, 71, 25 ) );
     list_remove_btn->setText( tr( "Remove" ) );
     tabs->insertTab( tab_3, tr( "Chords" ) );
 
     // hope this does what it's supposed to!!
     //    setPalette( QPalette( QColor( 232, 227, 215) ) );
     
     // signals and slots connections
 
     //cxm
     connect( tuning, SIGNAL( activated(int) ), frets, SLOT( Tune(int) ) );
     connect( span, SIGNAL( activated(int) ), frets, SLOT( Span(int) ) );
     connect( transport_rec, SIGNAL( clicked() ), this, SLOT( transport_rec_cb() ));
     connect( play_sound, SIGNAL( clicked() ), this, SLOT( play_chord_cb() ));
     connect( tuner_start, SIGNAL( clicked() ), this, SLOT( tuner_start_cb() ));
     connect( tuner_note, SIGNAL( textChanged(const QString&) ), vu, SLOT( AnnotL(const QString&) ));
     connect( this, SIGNAL( frequency_change(int) ), vu, SLOT( Value(int) ));
 
     connect( chordnote, SIGNAL( activated(int) ), frets, SLOT( Base(int) ) );
     connect( chordkey, SIGNAL( activated(int) ), frets, SLOT( Chord(int) ) );
     connect( chordfret, SIGNAL( activated(int) ), frets, SLOT( Fret(int) ) );
     connect( list_remove_btn, SIGNAL( clicked() ), this, SLOT( list_remove_cb() ) );
     connect( frets, SIGNAL( s1nameChanged(const QString&) ), s1_1, SLOT( setText(const QString&) ) );
     connect( frets, SIGNAL( s2nameChanged(const QString&) ), s1_2, SLOT( setText(const QString&) ) );
     connect( frets, SIGNAL( s3nameChanged(const QString&) ), s1_3, SLOT( setText(const QString&) ) );
     connect( frets, SIGNAL( s4nameChanged(const QString&) ), s1_4, SLOT( setText(const QString&) ) );
     connect( frets, SIGNAL( s5nameChanged(const QString&) ), s1_5, SLOT( setText(const QString&) ) );
     connect( frets, SIGNAL( s6nameChanged(const QString&) ), s1_6, SLOT( setText(const QString&) ) );
     connect( frets, SIGNAL( nameChanged(const QString&) ), chordname, SLOT( setText(const QString&) ) );
 }
 
 
 static int known=0;
 #include <qmessagebox.h>
 void PowerchordBase::transport_rec_cb(){
   chordlist->insertItem(chordname->text(),-1);
   if (!known){
     QMessageBox::information(this, tr("Powerchord"),
-                                                                                                                 tr("<P>This chord has been saved into the list of chords, for later playback.<P>");
+                         tr("<P>This chord has been saved into the list of chords, for later playback.<P>"));
     known = 1;
   }
 }
 void PowerchordBase::list_remove_cb(){
   if (chordlist->count() > 0){
     chordlist->removeItem(0);
   }
 }
 void PowerchordBase::play_chord_cb(){
   //    QMessageBox::information(this, "Coming soon!", "This button plays\nthe chord by synthesizing\nthe sound of the notes.");
 
 
     if (audio_timer){
       audio_timer->stop();
       // set pixmap?
       synth->Stop();
       delete(audio_timer);
       audio_timer = 0;
     }else{
       // get notes from chord engine
       
       int note;
       int base;
       int octave;
       note = frets->ce.noteindex(0);
       if (note >= 0){
                 //fprintf(stderr, "Note was %d\n", note);
         base = note % 12;
         octave = note / 12;
         synth->note_start(0, base, octave);
       }else{
         // subtle bug here - replay second note if 1st one muted
         note = frets->ce.noteindex(1);
         base = note % 12;
         octave = note / 12;
         synth->note_start(1, base, octave);
 
       }
 
       // init synth
       if (synth->Play()){
         // error
         QMessageBox::information(this, tr("Powerchord"),
                          tr("<P>Unable to open device for sound playback - check that no other application is using it.</P>"));
         return;
       }
       synth->fill_buffer();
       
       // start timer
       audio_timer = new QTimer();
       connect(audio_timer, SIGNAL( timeout() ), this, SLOT( audio_cb() ));
       // set pixmap on player?
       audio_timer->start(19); // 19 msec (fudge factor!!)
     }
 }
 
 
 
 void PowerchordBase::audio_cb(){
   // play the next bit of audio until quiet
 
   // strum timing
 #define INTERVAL 2
 
   if ((synth->Frames() % INTERVAL) == 0){
     int string = synth->Frames() / INTERVAL;
     if (string <= 5){
       int note;
       int base;
       int octave;
       note = frets->ce.noteindex(string);
       // check not muted...
       if (note > 0){
         base = note % 12;
         octave = note / 12;
         synth->note_start(string, base, octave);
       }
     }
   }
   
   if (synth->Playing()){
     synth->write_buffer();
     synth->fill_buffer();
   }else{
     audio_timer->stop();
     // set pixmap?
     synth->Stop();
     delete(audio_timer);
     audio_timer = 0;
   }
 }
 
 // the real tuner
 //  void PowerchordBase::tuner_start_cb(){
 
 //    if (tuner->Listening()){
 //      simulation_timer->stop();
 //      tuner->Stop();
 //      tuner_pic1->setPixmap( *image6 );
     
 //    }else{
 //      tuner_pic1->setPixmap( *image_open );
     
 //      if (!simulation_timer){
 //        simulation_timer = new QTimer();
       
       
 //        connect(simulation_timer, SIGNAL( timeout() ), this, SLOT( tuner_cb() ));
 //      }
     
 //      simulation_timer->start(50);
 //      tuner->Listen();
     
 //    }  
 //  }
 
 void PowerchordBase::tuner_cb(){
   if (tuner->Listening()){
     tuner->read_buffer();
     tuner->process_buffer();
     
     // update gui
     // do something with the note: tuner->Note()
     emit frequency_change(tuner->Tuning());
     
   }else{
     simulation_timer->stop();
     tuner->Stop();
     tuner_pic1->setPixmap( image6 );
   }
 }
 
 
 void PowerchordBase::tuner_start_cb(){
   if (0 == QMessageBox::information(this, tr("Powerchord"),
                                         tr("<P>Using the microphone, the note's frequency is analysed. This is a simulation.</P>"),
                                         tr("OK"), tr("Cancel"), 0, 1)){
     if (simulation_timer){
       simulation_timer->stop();
     }else{
       simulation_timer = new QTimer();
       connect(simulation_timer, SIGNAL( timeout() ), this, SLOT( tuner_simulation_cb() ));
       
     }
     simulation_x = -45;
     simulation_v = 0;
     simulation_iter = 0;
 
     tuner_pic1->setPixmap( image_open );
     simulation_timer->start(100);
   }
 }
 
 #include <stdio.h>
 
 void PowerchordBase::tuner_simulation_cb(){
   if (simulation_x < -10 || simulation_x > 10){
     simulation_v = (simulation_v/2)-(simulation_x/5);
   }
   
   simulation_x += simulation_v;
   simulation_iter++;
 
   if (simulation_x > 50){
     simulation_x = 50;
   }
 
   if (simulation_x < -50){
     simulation_x = -50;
   }
 
   if (simulation_iter > 50){
     simulation_timer->stop();
     emit frequency_change(0);
     tuner_pic1->setPixmap( image6 );
   }else{
     emit frequency_change(simulation_x);
   }
 }
 
 /*
  *  Destroys the object and frees any allocated resources
  */
 PowerchordBase::~PowerchordBase()
 {
     // no need to delete child widgets, Qt does it all for us
 }
 
 void PowerchordBase::change_handler()
 {
     owarn << "PowerchordBase::change_handler(): Not implemented yet!" << oendl; 
 }