Diffstat (limited to 'noncore/net/wellenreiter/gui/graphwindow.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/net/wellenreiter/gui/graphwindow.cpp | 50 |
1 files changed, 39 insertions, 11 deletions
diff --git a/noncore/net/wellenreiter/gui/graphwindow.cpp b/noncore/net/wellenreiter/gui/graphwindow.cpp index 7e1f378..b116b91 100644 --- a/noncore/net/wellenreiter/gui/graphwindow.cpp +++ b/noncore/net/wellenreiter/gui/graphwindow.cpp @@ -28,13 +28,27 @@ MFrequencySpectrum::MFrequencySpectrum( int channels, QWidget* parent, const cha { _values[i] = 0; _dirty[i] = true; } - // we draw everything alone + // we draw everything on our own setBackgroundMode( QWidget::NoBackground ); } +void MFrequencySpectrum::drawTopLine( QPainter* p, int x, int y, int width, const QColor& c ) +{ + p->setPen( c.light() ); + p->drawLine( x, y, x+width-1, y ); +} + + +void MFrequencySpectrum::drawBottomLine( QPainter* p, int x, int y, int width, const QColor& c ) +{ + p->setPen( c.dark() ); + p->drawLine( x, y, x+width-1, y ); +} + + void MFrequencySpectrum::drawLine( QPainter* p, int x, int y, int width, const QColor& c ) { p->setPen( c.light() ); p->drawPoint( x++, y ); @@ -60,14 +74,15 @@ void MFrequencySpectrum::drawBar( QPainter* p, int x, int y, int width, int heig { int h = (h2-h1)*i/maxheight + h1; int s = (s2-s1)*i/maxheight + s1; int v = (v2-v1)*i/maxheight + v1; - drawLine( p, x, y-i, width, QColor( h,s,v, QColor::Hsv ) ); + if ( i == 0 ) + drawBottomLine( p, x, y-i, width, QColor( h,s,v, QColor::Hsv ) ); + else if ( i == height-1 ) + drawTopLine( p, x, y-i, width, QColor( h,s,v, QColor::Hsv ) ); + else + drawLine( p, x, y-i, width, QColor( h,s,v, QColor::Hsv ) ); } - - /*for ( int i = height; i < maxheight; ++i ) - drawLine( p, x, y-i, width, QColor( 47, 68, 76 ) );*/ - } void MFrequencySpectrum::paintEvent( QPaintEvent* e ) @@ -97,8 +112,24 @@ void MFrequencySpectrum::paintEvent( QPaintEvent* e ) bitBlt( this, 0, 0, &pm ); } +void MFrequencySpectrum::mousePressEvent( QMouseEvent* e ) +{ + int xmargin = 5; + int ymargin = 2; + int y = size().height() - 2 * ymargin; + int x = 0; + int width = ( size().width() - 2 * xmargin ) / _channels; + + QPoint pos = e->pos(); + int channel = ( pos.x()-xmargin ) / width; + int height = 100 - ( pos.y()-ymargin )*100/y; + if ( channel < 15 ) _values[channel] = height; + +} + + Legende::Legende( int channels, QWidget* parent, const char* name, WFlags f ) :QFrame( parent, name, f ), _channels( channels ) { setLineWidth( 2 ); @@ -124,12 +155,9 @@ MGraphWindow::MGraphWindow( QWidget* parent, const char* name, WFlags f ) :QVBox( parent, name, f ) { spectrum = new MFrequencySpectrum( 14, this ); legende = new Legende( 14, this ); - startTimer( 50 ); //FIXME: tweak - - //testGraph(); - + startTimer( 50 ); }; void MGraphWindow::testGraph() @@ -145,9 +173,9 @@ void MGraphWindow::testGraph() void MGraphWindow::timerEvent( QTimerEvent* e ) { for ( int i = 0; i < 14; i++ ) { - spectrum->decrease( i, 1 ); //TODO: make this customizable? + spectrum->decrease( i, 1 ); } spectrum->repaint(); } |