void KTickmarks_Widget::drawContents( QPainter* p ) {
//kdDebug()<<"KTickmarks::drawContents( QPainter* "<<p<<" )"<<endl;
bool left=false, right=false;
if ( _pos&Arts::posLeft ) left=true;
if ( _pos&Arts::posRight ) right=true;
// Setting the font
QFont font;
font.setPixelSize( 8 /*font.pixelSize()/2*/ ); // Maybe this could be adjusted...
p->setFont( font );
// Determining the size of the largest text (currently the text at the minimum-scale)
QFontMetrics fontmetric( font );
QRect fontrect = fontmetric.boundingRect( QString::number( dbmin ) );
// Calculating stepsizes
float _minstepcount = ( dbmax-dbmin )/minstep;
float _minstep = minstep; // this value gets changed
float _substepcount = ( dbmax-dbmin )/substep;
float _substep = substep; // this value gets changed
// Calculating minimum size of the widget
int _minsize;
// Shorcuts
int w,h;
QColor colornormal = colorGroup().foreground();
QColor colordiff = colorGroup().buttonText();
if ( _dir == Arts::BottomToTop || _dir == Arts::TopToBottom ) {
p->translate( contentsRect().left(), contentsRect().bottom() );
// Calculating stepsizes
for ( int i=1; _minstepcount*( fontrect.height()+4 ) > contentsRect().height(); i++ ) {
_minstepcount = ( dbmax-dbmin ) / minstep / i;
_minstep = minstep*i;
}
while ( _substepcount*2 > contentsRect().height() ) { _substepcount/=2; _substep*=2; }
// Calculating minimum size of the widget
_minsize=fontrect.width()+4;
if ( left ) _minsize+=6;
if ( right ) _minsize+=6;
setMinimumWidth( _minsize + frameWidth() + 2 );
// setMaximumWidth( _minsize /*+6*/ );
w = contentsRect().width(); // Just a shortcut
h=0;
// Painting substep marks
p->setPen( QPen( colordiff, 1 ) );
for ( float i=dbmax; i>=dbmin; i-=_substep ) {
h = int( -contentsRect().height() * dbtondb( i ) );
if ( _dir==Arts::TopToBottom ) h = 1 - h;
if ( left ) p->drawLine( 0, h, 3, h );
if ( right ) p->drawLine( w-3, h, w, h );
}
// Painting step marks and texts
p->setPen( QPen( colornormal, 1 ) );
for ( float i=0; i>=dbmin; i-=_minstep ) {
h = int( -contentsRect().height() * dbtondb( i ) );
if ( _dir==Arts::TopToBottom ) h = 1 - h;
if ( left ) p->drawLine( 0, h, 6, h );
p->drawText( ( w - (left)*6 - (right)*6 - fontrect.width() )/2 + (left)*6
, h-fontrect.height()/2,
fontrect.width(), fontrect.height()+2,
Qt::AlignRight|Qt::AlignTop, QString::number( i ) );
if ( right ) p->drawLine( w-6, h, w, h );
}
for ( float i=_minstep; i<=dbmax; i+=_minstep ) {
h = int( -contentsRect().height() * dbtondb( i ) );
if ( _dir==Arts::TopToBottom ) h = 1 - h;
if ( left ) p->drawLine( 0, h, 6, h );
p->drawText( ( w - (left)*6 - (right)*6 - fontrect.width() )/2 + (left)*6
, h-fontrect.height()/2,
fontrect.width(), fontrect.height()+2,
Qt::AlignRight|Qt::AlignTop, QString::number( i ) );
if ( right ) p->drawLine( w-6, h, w, h );
}
} else {
//if ( _dir == Arts::LeftToRight || _dir == Arts::RightToLeft ) {
// Calculating stepsizes
for ( int i=1; _minstepcount*( fontrect.width()+4 ) > contentsRect().width(); i++ ) {
_minstepcount = ( dbmax-dbmin ) / minstep / i;
_minstep = minstep*i;
}
while ( _substepcount*2 > contentsRect().width() ) { _substepcount/=2; _substep*=2; }
// Calculating minimum size of the widget
_minsize=fontrect.height()+4;
if ( left ) _minsize+=6;
if ( right ) _minsize+=6;
setMinimumHeight( _minsize + frameWidth() + 2 );
// setMaximumHeight( _minsize /*+6*/ );
w = 0; // Just a shortcut
h = frameWidth() + contentsRect().height();
// Painting substep marks
p->setPen( QPen( colordiff, 1 ) );
for ( float i=dbmax; i>=dbmin; i-=_substep ) {
w = this->frameWidth()+ int( contentsRect().width() * dbtondb( i ) );
if ( _dir==Arts::RightToLeft ) w = 1 - w;
if ( left ) p->drawLine( w, frameWidth(), w, frameWidth() + 3 );
if ( right ) p->drawLine( w, h-3, w, h );
}
// Painting step marks and texts
p->setPen( QPen( colornormal, 1 ) );
for ( float i=0; i>=dbmin; i-=_minstep ) {
w = int( contentsRect().width() * dbtondb( i ) );
if ( _dir==Arts::RightToLeft ) w = 1 - w;
if ( left ) p->drawLine( w, 0, w, 6 );
p->drawText( w - fontrect.width()/2
, ( h - (left)*6 - (right)*6 - fontrect.height() )/2 + (left)*6,
fontrect.width(), fontrect.height()+2,
Qt::AlignRight|Qt::AlignTop, QString::number( i ) );
if ( right ) p->drawLine( w, h-6, w, h );
}
for ( float i=_minstep; i<=dbmax; i+=_minstep ) {
h = int( -contentsRect().height() * dbtondb( i ) );
if ( _dir==Arts::RightToLeft ) w = 1 - w;
if ( left ) p->drawLine( w, 0, w, 6 );
p->drawText( w - fontrect.width()/2
, ( h - (left)*6 - (right)*6 - fontrect.height() )/2 + (left)*6,
fontrect.width(), fontrect.height()+2,
Qt::AlignRight|Qt::AlignTop, QString::number( i ) );
if ( right ) p->drawLine( w, h-6, w, h );
}
}
}
QRectF rect(
0,0,
QFontMetrics( small ).width( _valuestring ),
QFontMetrics( small ).height() );
if ( dbtondb( a ) < 0.5 )
rect.translate( -QFontMetrics( small ).width( _valuestring ), 0 );
p.drawText( rect, Qt::AlignCenter, QString( _valuestring ).arg( a ) );
if ( a == 0.0 )
_nullclick = p.matrix().mapRect( rect ).toRect();
p.restore();
}
p.restore();
// Draw highlight-line for the value
p.save();
p.rotate( 300 * dbtondb( _value ) );
QPen linepen( palette().color( QPalette::HighlightedText ) );
linepen.setWidthF( 3 );
linepen.setCapStyle( Qt::RoundCap );
p.setPen( linepen );
p.drawLine( QPointF( 0,0 ), QPointF( radius*0.71,0 ) );
p.restore();
p.restore();
if ( _show_value ) {
QString tmp = QString::number( _value );
if ( tmp.contains( "." ) )
tmp = _valuestring.arg( tmp.left( tmp.indexOf( "." ) + _precision + 1 ) );
else
