You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
119 lines
2.5 KiB
119 lines
2.5 KiB
/*
|
|
* KAsteroids - Copyright (c) Martin R. Jones 1997
|
|
*
|
|
* Part of the KDE project
|
|
*/
|
|
|
|
#include <tqpainter.h>
|
|
#include "ledmeter.h"
|
|
#include "ledmeter.moc"
|
|
|
|
KALedMeter::KALedMeter( TQWidget *parent ) : TQFrame( parent )
|
|
{
|
|
mCRanges.setAutoDelete( true );
|
|
mRange = 100;
|
|
mCount = 20;
|
|
mCurrentCount = 0;
|
|
mValue = 0;
|
|
setMinimumWidth( mCount * 2 + frameWidth() );
|
|
}
|
|
|
|
void KALedMeter::setRange( int r )
|
|
{
|
|
mRange = r;
|
|
if ( mRange < 1 )
|
|
mRange = 1;
|
|
setValue( mValue );
|
|
update();
|
|
}
|
|
|
|
void KALedMeter::setCount( int c )
|
|
{
|
|
mCount = c;
|
|
if ( mCount < 1 )
|
|
mCount = 1;
|
|
setMinimumWidth( mCount * 2 + frameWidth() );
|
|
calcColorRanges();
|
|
setValue( mValue );
|
|
update();
|
|
}
|
|
|
|
void KALedMeter::setValue( int v )
|
|
{
|
|
mValue = v;
|
|
if ( mValue > mRange )
|
|
mValue = mRange;
|
|
else if ( mValue < 0 )
|
|
mValue = 0;
|
|
int c = ( mValue + mRange / mCount - 1 ) * mCount / mRange;
|
|
if ( c != mCurrentCount )
|
|
{
|
|
mCurrentCount = c;
|
|
update();
|
|
}
|
|
}
|
|
|
|
void KALedMeter::addColorRange( int pc, const TQColor &c )
|
|
{
|
|
ColorRange *cr = new ColorRange;
|
|
cr->mPc = pc;
|
|
cr->mColor = c;
|
|
mCRanges.append( cr );
|
|
calcColorRanges();
|
|
}
|
|
|
|
void KALedMeter::resizeEvent( TQResizeEvent *e )
|
|
{
|
|
TQFrame::resizeEvent( e );
|
|
int w = ( width() - frameWidth() - 2 ) / mCount * mCount;
|
|
w += frameWidth() + 2;
|
|
setFrameRect( TQRect( 0, 0, w, height() ) );
|
|
}
|
|
|
|
void KALedMeter::drawContents( TQPainter *p )
|
|
{
|
|
TQRect b = contentsRect();
|
|
|
|
unsigned cidx = 0;
|
|
int ncol = mCount;
|
|
TQColor col = colorGroup().foreground();
|
|
|
|
if ( !mCRanges.isEmpty() )
|
|
{
|
|
col = mCRanges.at( cidx )->mColor;
|
|
ncol = mCRanges.at( cidx )->mValue;
|
|
}
|
|
p->setBrush( col );
|
|
p->setPen( col );
|
|
|
|
int lw = b.width() / mCount;
|
|
int lx = b.left() + 1;
|
|
for ( int i = 0; i < mCurrentCount; i++, lx += lw )
|
|
{
|
|
if ( i > ncol )
|
|
{
|
|
if ( ++cidx < mCRanges.count() )
|
|
{
|
|
col = mCRanges.at( cidx )->mColor;
|
|
ncol = mCRanges.at( cidx )->mValue;
|
|
p->setBrush( col );
|
|
p->setPen( col );
|
|
}
|
|
}
|
|
|
|
p->drawRect( lx, b.top() + 1, lw - 1, b.height() - 2 );
|
|
}
|
|
}
|
|
|
|
void KALedMeter::calcColorRanges()
|
|
{
|
|
int prev = 0;
|
|
ColorRange *cr;
|
|
for ( cr = mCRanges.first(); cr; cr = mCRanges.next() )
|
|
{
|
|
cr->mValue = prev + cr->mPc * mCount / 100;
|
|
prev = cr->mValue;
|
|
}
|
|
}
|
|
|