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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitc90c389a8a8d9d8661e9772ec4144c5cf2039f23 (patch)
tree6d8391395bce9eaea4ad78958617edb20c6a7573 /kasteroids/ledmeter.cpp
downloadtdegames-c90c389a8a8d9d8661e9772ec4144c5cf2039f23.tar.gz
tdegames-c90c389a8a8d9d8661e9772ec4144c5cf2039f23.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegames@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kasteroids/ledmeter.cpp')
-rw-r--r--kasteroids/ledmeter.cpp118
1 files changed, 118 insertions, 0 deletions
diff --git a/kasteroids/ledmeter.cpp b/kasteroids/ledmeter.cpp
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+++ b/kasteroids/ledmeter.cpp
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+/*
+ * KAsteroids - Copyright (c) Martin R. Jones 1997
+ *
+ * Part of the KDE project
+ */
+
+#include <qpainter.h>
+#include "ledmeter.h"
+#include "ledmeter.moc"
+
+KALedMeter::KALedMeter( QWidget *parent ) : QFrame( 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 QColor &c )
+{
+ ColorRange *cr = new ColorRange;
+ cr->mPc = pc;
+ cr->mColor = c;
+ mCRanges.append( cr );
+ calcColorRanges();
+}
+
+void KALedMeter::resizeEvent( QResizeEvent *e )
+{
+ QFrame::resizeEvent( e );
+ int w = ( width() - frameWidth() - 2 ) / mCount * mCount;
+ w += frameWidth() + 2;
+ setFrameRect( QRect( 0, 0, w, height() ) );
+}
+
+void KALedMeter::drawContents( QPainter *p )
+{
+ QRect b = contentsRect();
+
+ unsigned cidx = 0;
+ int ncol = mCount;
+ QColor 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;
+ }
+}
+