void QwtPainter::drawColoredArc(QPainter *painter, const QRect &rect,
int peak, int arc, int interval, const QColor &c1, const QColor &c2)
{
int h1, s1, v1;
int h2, s2, v2;
#if QT_VERSION < 0x040000
c1.hsv(&h1, &s1, &v1);
c2.hsv(&h2, &s2, &v2);
#else
c1.getHsv(&h1, &s1, &v1);
c2.getHsv(&h2, &s2, &v2);
#endif
arc /= 2;
for ( int angle = -arc; angle < arc; angle += interval)
{
double ratio;
if ( angle >= 0 )
ratio = 1.0 - angle / double(arc);
else
ratio = 1.0 + angle / double(arc);
QColor c;
c.setHsv( h1 + qRound(ratio * (h2 - h1)),
s1 + qRound(ratio * (s2 - s1)),
v1 + qRound(ratio * (v2 - v1)) );
painter->setPen(QPen(c, painter->pen().width()));
painter->drawArc(rect, (peak + angle) * 16, interval * 16);
}
}
/*!
Mixes two colors \a c1 and \a c2 to a new color.
*/
QColor QPlatinumStyle::mixedColor(const QColor &c1, const QColor &c2) const
{
int h1,s1,v1,h2,s2,v2;
c1.hsv(&h1,&s1,&v1);
c2.hsv(&h2,&s2,&v2);
return QColor( (h1+h2)/2, (s1+s2)/2, (v1+v2)/2, QColor::Hsv );
}
/*!
Draw a dotted round circle, if !isReadOnly()
\param painter Painter
*/
void QwtDial::drawFocusIndicator(QPainter *painter) const
{
if ( !isReadOnly() )
{
QRect focusRect = contentsRect();
const int margin = 2;
focusRect.setRect(
focusRect.x() + margin,
focusRect.y() + margin,
focusRect.width() - 2 * margin,
focusRect.height() - 2 * margin);
QColor color = colorGroup().color(QColorGroup::Base);
if (color.isValid())
{
int h, s, v;
color.hsv(&h, &s, &v);
color = (v > 128) ? Qt::gray.dark(120) : Qt::gray.light(120);
}
else
color = Qt::darkGray;
painter->save();
painter->setBrush(Qt::NoBrush);
painter->setPen(QPen(color, 0, Qt::DotLine));
painter->drawEllipse(focusRect);
painter->restore();
}
}
void BatteryStatus::drawSegment( QPainter *p, const QRect &r, const QColor &topgrad, const QColor &botgrad, const QColor &highlight, int hightlight_height ) {
int h1, h2, s1, s2, v1, v2, ng = r.height(), hy = ng*30/100, hh = hightlight_height;
topgrad.hsv( &h1, &s1, &v1 );
botgrad.hsv( &h2, &s2, &v2 );
for ( int j = 0; j < hy-2; j++ ) {
p->setPen( QColor( h1 + ((h2-h1)*j)/(ng-1), s1 + ((s2-s1)*j)/(ng-1),
v1 + ((v2-v1)*j)/(ng-1), QColor::Hsv ) );
p->drawLine( r.x(), r.top()+hy-2-j, r.x()+r.width(), r.top()+hy-2-j );
}
for ( int j = 0; j < hh; j++ ) {
p->setPen( highlight );
p->drawLine( r.x(), r.top()+hy-2+j, r.x()+r.width(), r.top()+hy-2+j );
}
for ( int j = 0; j < ng-hy-hh; j++ ) {
p->setPen( QColor( h1 + ((h2-h1)*j)/(ng-1), s1 + ((s2-s1)*j)/(ng-1),
v1 + ((v2-v1)*j)/(ng-1), QColor::Hsv ) );
p->drawLine( r.x(), r.top()+hy+hh-2+j, r.x()+r.width(), r.top()+hy+hh-2+j );
}
}
QColor
PrettyPopupMenu::calcPixmapColor()
{
KConfig *config = KGlobal::config();
config->setGroup("WM");
QColor color = QApplication::palette().active().highlight();
// QColor activeTitle = QApplication::palette().active().background();
// QColor inactiveTitle = QApplication::palette().inactive().background();
QColor activeTitle = config->readColorEntry("activeBackground", &color);
QColor inactiveTitle = config->readColorEntry("inactiveBackground", &color);
// figure out which color is most suitable for recoloring to
int h1, s1, v1, h2, s2, v2, h3, s3, v3;
activeTitle.hsv(&h1, &s1, &v1);
inactiveTitle.hsv(&h2, &s2, &v2);
QApplication::palette().active().background().hsv(&h3, &s3, &v3);
if ( (kAbs(h1-h3)+kAbs(s1-s3)+kAbs(v1-v3) < kAbs(h2-h3)+kAbs(s2-s3)+kAbs(v2-v3)) &&
((kAbs(h1-h3)+kAbs(s1-s3)+kAbs(v1-v3) < 32) || (s1 < 32)) && (s2 > s1))
color = inactiveTitle;
else
color = activeTitle;
// limit max/min brightness
int r, g, b;
color.rgb(&r, &g, &b);
int gray = qGray(r, g, b);
if (gray > 180) {
r = (r - (gray - 180) < 0 ? 0 : r - (gray - 180));
g = (g - (gray - 180) < 0 ? 0 : g - (gray - 180));
b = (b - (gray - 180) < 0 ? 0 : b - (gray - 180));
} else if (gray < 76) {
r = (r + (76 - gray) > 255 ? 255 : r + (76 - gray));
g = (g + (76 - gray) > 255 ? 255 : g + (76 - gray));
b = (b + (76 - gray) > 255 ? 255 : b + (76 - gray));
}
color.setRgb(r, g, b);
return color;
}
QColor KGlobalSettings::calculateAlternateBackgroundColor(const QColor& base)
{
if (base == Qt::white)
return QColor(238,246,255);
else
{
int h, s, v;
base.hsv( &h, &s, &v );
if (v > 128)
return base.dark(106);
else if (base != Qt::black)
return base.light(110);
return QColor(32,32,32);
}
}
ClusterPalette::ClusterPalette(QColor backgroundColor,QWidget* parent,KStatusBar * statusBar, const char* name, WFlags fl )
: QVBox( parent, name, fl ),doc(0L),mode(IMMEDIATE),isInSelectItems(false),isUpToDate(true),backgroundColor(backgroundColor),statusBar(statusBar),isInUserClusterInfoMode(false)
{
//Set the palette color
setPaletteBackgroundColor(backgroundColor);
setPaletteForegroundColor(white);
iconView = new QIconView(this, "ClusterPalette");
QFont font( "Helvetica",8);
iconView->setFont(font);
iconView->setFrameStyle(QFrame::NoFrame);
iconView->setArrangement(QIconView::LeftToRight);
iconView->setResizeMode(QIconView::Adjust);
iconView->setPaletteBackgroundColor(backgroundColor);
iconView->setHScrollBarMode(QScrollView::AlwaysOff);
iconView->setVScrollBarMode(QScrollView::AlwaysOff);
int h;
int s;
int v;
backgroundColor.hsv(&h,&s,&v);
if(s <= 80 && v >= 240 || (s <= 40 && v >= 220)) iconView->setPaletteForegroundColor(black);
else iconView->setPaletteForegroundColor(white);
iconView->setSelectionMode(QIconView::Extended);
iconView->setItemsMovable(false);
iconView->setSpacing(4);
QFontInfo fontInfo = QFontInfo(QFont());
iconView->setGridX(fontInfo.pixelSize() * 2);
iconView->setGridY(15);
iconView->arrangeItemsInGrid();
//Deal with the sizes
setSizePolicy(QSizePolicy((QSizePolicy::SizeType)5,(QSizePolicy::SizeType)5));
//Set the legend in the good language
languageChange();
//Signal and slot connection
connect(iconView,SIGNAL(contextMenuRequested(QIconViewItem* ,const QPoint&)),this, SLOT(slotRightPressed(QIconViewItem*)));
connect(iconView,SIGNAL(selectionChanged()),this, SLOT(slotClickRedraw()));
connect(iconView,SIGNAL(mouseButtonPressed(int,QIconViewItem* ,const QPoint&)),this, SLOT(slotMousePressed(int,QIconViewItem*)));
connect(iconView,SIGNAL(onItem(QIconViewItem*)),this, SLOT(slotOnItem(QIconViewItem*)));
}
QPalette::QPalette( const QColor &button, const QColor &background )
{
data = new QPalData;
Q_CHECK_PTR( data );
data->ser_no = palette_count++;
QColor bg = background, btn = button, fg, base, disfg;
int h, s, v;
bg.hsv( &h, &s, &v );
if ( v > 128 ) { // light background
fg = Qt::black;
base = Qt::white;
disfg = Qt::darkGray;
} else { // dark background
fg = Qt::white;
base = Qt::black;
disfg = Qt::darkGray;
}
data->active = QColorGroup( fg, btn, btn.light(150), btn.dark(),
btn.dark(150), fg, Qt::white, base, bg );
data->disabled = QColorGroup( disfg, btn, btn.light(150), btn.dark(),
btn.dark(150), disfg, Qt::white, base, bg );
data->inactive = data->active;
}
void KZColorSelector::setBaseColor(const QColor& color) {
color.hsv(&baseColorH, &baseColorS, &baseColorV);
}
void PlaylistItem::paintCell( QPainter *painter, const QColorGroup &cg, int column, int width, int align )
{
//TODO add spacing on either side of items
//p->translate( 2, 0 ); width -= 3;
// Don't try to draw if width or height is 0, as this crashes Qt
if( !painter || !listView() || width <= 0 || height() == 0 )
return;
static const QImage currentTrackLeft = locate( "data", "amarok/images/currenttrack_bar_left.png" );
static const QImage currentTrackMid = locate( "data", "amarok/images/currenttrack_bar_mid.png" );
static const QImage currentTrackRight = locate( "data", "amarok/images/currenttrack_bar_right.png" );
if( column == Mood && !moodbar().dataExists() )
moodbar().load(); // Only has an effect the first time
// The moodbar column can have text in it, like "Calculating".
// moodbarType is 0 if column != Mood, 1 if we're displaying
// a moodbar, and 2 if we're displaying text
const int moodbarType =
column != Mood ? 0 : moodbar().state() == Moodbar::Loaded ? 1 : 2;
const QString colText = text( column );
const bool isCurrent = this == listView()->currentTrack();
QPixmap buf( width, height() );
QPainter p( &buf, true );
if( isCurrent )
{
static paintCacheItem paintCache[NUM_COLUMNS];
// Convert intensity to string, so we can use it as a key
const QString colorKey = QString::number( glowIntensity );
const bool cacheValid =
paintCache[column].width == width &&
paintCache[column].height == height() &&
paintCache[column].text == colText &&
paintCache[column].font == painter->font() &&
paintCache[column].color == glowBase &&
paintCache[column].selected == isSelected() &&
!s_pixmapChanged;
// If any parameter changed, we must regenerate all pixmaps
if ( !cacheValid )
{
for( int i = 0; i < NUM_COLUMNS; ++i)
paintCache[i].map.clear();
s_pixmapChanged = false;
}
// Determine if we need to repaint the pixmap, or paint from cache
if ( paintCache[column].map.find( colorKey ) == paintCache[column].map.end() )
{
// Update painting cache
paintCache[column].width = width;
paintCache[column].height = height();
paintCache[column].text = colText;
paintCache[column].font = painter->font();
paintCache[column].color = glowBase;
paintCache[column].selected = isSelected();
QColor bg;
if( isSelected() )
bg = listView()->colorGroup().highlight();
else
bg = isAlternate() ? listView()->alternateBackground() :
listView()->viewport()->backgroundColor();
buf.fill( bg );
// Draw column divider line
p.setPen( listView()->viewport()->colorGroup().mid() );
p.drawLine( width - 1, 0, width - 1, height() - 1 );
// Here we draw the background bar graphics for the current track:
//
// Illustration of design, L = Left, M = Middle, R = Right:
// <LMMMMMMMMMMMMMMMR>
int leftOffset = 0;
int rightOffset = 0;
int margin = listView()->itemMargin();
const float colorize = 0.8;
const double intensity = 1.0 - glowIntensity * 0.021;
// Left part
if( column == listView()->m_firstColumn ) {
QImage tmpImage = currentTrackLeft.smoothScale( 1, height(), QImage::ScaleMax );
KIconEffect::colorize( tmpImage, glowBase, colorize );
imageTransparency( tmpImage, intensity );
p.drawImage( 0, 0, tmpImage, 0, 0, tmpImage.width() - 1 ); //HACK
leftOffset = tmpImage.width() - 1; //HACK Subtracting 1, to work around the black line bug
margin += 6;
}
// Right part
else
if( column == Playlist::instance()->mapToLogicalColumn( Playlist::instance()->numVisibleColumns() - 1 ) )
{
QImage tmpImage = currentTrackRight.smoothScale( 1, height(), QImage::ScaleMax );
KIconEffect::colorize( tmpImage, glowBase, colorize );
imageTransparency( tmpImage, intensity );
p.drawImage( width - tmpImage.width(), 0, tmpImage );
rightOffset = tmpImage.width();
margin += 6;
}
// Middle part
// Here we scale the one pixel wide middel image to stretch to the full column width.
QImage tmpImage = currentTrackMid.copy();
KIconEffect::colorize( tmpImage, glowBase, colorize );
imageTransparency( tmpImage, intensity );
tmpImage = tmpImage.smoothScale( width - leftOffset - rightOffset, height() );
p.drawImage( leftOffset, 0, tmpImage );
// Draw the pixmap, if present
int leftMargin = margin;
if ( pixmap( column ) ) {
p.drawPixmap( leftMargin, height() / 2 - pixmap( column )->height() / 2, *pixmap( column ) );
leftMargin += pixmap( column )->width() + 2;
}
if( align != Qt::AlignCenter )
align |= Qt::AlignVCenter;
if( column != Rating &&
moodbarType != 1 )
{
// Draw the text
static QFont font;
static int minbearing = 1337 + 666;
if( minbearing == 2003 || font != painter->font() )
{
font = painter->font();
minbearing = painter->fontMetrics().minLeftBearing()
+ painter->fontMetrics().minRightBearing();
}
const bool italic = font.italic();
int state = EngineController::engine()->state();
if( state == Engine::Playing || state == Engine::Paused )
font.setItalic( !italic );
p.setFont( font );
p.setPen( cg.highlightedText() );
// paint.setPen( glowText );
const int _width = width - leftMargin - margin + minbearing - 1; // -1 seems to be necessary
const QString _text = KStringHandler::rPixelSqueeze( colText, painter->fontMetrics(), _width );
p.drawText( leftMargin, 0, _width, height(), align, _text );
font.setItalic( italic );
p.setFont( font );
}
paintCache[column].map[colorKey] = buf;
}
else
p.drawPixmap( 0, 0, paintCache[column].map[colorKey] );
if( column == Rating )
drawRating( &p );
if( moodbarType == 1 )
drawMood( &p, width, height() );
}
else
{
const QColorGroup _cg = ( !exists() || !isEnabled() )
? listView()->palette().disabled()
: listView()->palette().active();
QColor bg = isSelected() ? _cg.highlight()
: isAlternate() ? listView()->alternateBackground()
: listView()->viewport()->backgroundColor();
#if KDE_IS_VERSION( 3, 3, 91 )
if( listView()->shadeSortColumn() && !isSelected() && listView()->columnSorted() == column )
{
/* from klistview.cpp
Copyright (C) 2000 Reginald Stadlbauer <*****@*****.**>
Copyright (C) 2000,2003 Charles Samuels <*****@*****.**>
Copyright (C) 2000 Peter Putzer */
if ( bg == Qt::black )
bg = QColor(55, 55, 55); // dark gray
else
{
int h,s,v;
bg.hsv(&h, &s, &v);
if ( v > 175 )
bg = bg.dark(104);
else
bg = bg.light(120);
}
}
#endif
const QColor textc = isSelected() ? _cg.highlightedText() : _cg.text();
buf.fill( bg );
// Draw column divider line
if( !isSelected() )
{
p.setPen( listView()->viewport()->colorGroup().mid() );
p.drawLine( width - 1, 0, width - 1, height() - 1 );
}
// Draw the pixmap, if present
int margin = listView()->itemMargin(), leftMargin = margin;
if ( pixmap( column ) ) {
p.drawPixmap( leftMargin, height() / 2 - pixmap( column )->height() / 2, *pixmap( column ) );
leftMargin += pixmap( column )->width();
}
if( align != Qt::AlignCenter )
align |= Qt::AlignVCenter;
if( column == Rating )
drawRating( &p );
else if( moodbarType == 1 )
drawMood( &p, width, height() );
else
{
// Draw the text
static QFont font;
static int minbearing = 1337 + 666; //can be 0 or negative, 2003 is less likely
if( minbearing == 2003 || font != painter->font() )
{
font = painter->font(); //getting your bearings can be expensive, so we cache them
minbearing = painter->fontMetrics().minLeftBearing()
+ painter->fontMetrics().minRightBearing();
}
p.setFont( font );
p.setPen( ( m_isNew && isEnabled() && !isSelected() ) ? AmarokConfig::newPlaylistItemsColor() : textc );
const int _width = width - leftMargin - margin + minbearing - 1; // -1 seems to be necessary
const QString _text = KStringHandler::rPixelSqueeze( colText, painter->fontMetrics(), _width );
p.drawText( leftMargin, 0, _width, height(), align, _text );
}
}
/// Track action symbols
const int queue = listView()->m_nextTracks.findRef( this ) + 1;
const bool stop = ( this == listView()->m_stopAfterTrack );
const bool repeat = Amarok::repeatTrack() && isCurrent;
const uint num = ( queue ? 1 : 0 ) + ( stop ? 1 : 0 ) + ( repeat ? 1 : 0 );
static const QPixmap pixstop = Amarok::getPNG( "currenttrack_stop_small" ),
pixrepeat = Amarok::getPNG( "currenttrack_repeat_small" );
//figure out if we are in the actual physical first column
if( column == listView()->m_firstColumn && num )
{
//margin, height
const uint m = 2, h = height() - m;
const QString str = QString::number( queue );
const uint qw = painter->fontMetrics().width( str ), sw = pixstop.width(), rw = pixrepeat.width(),
qh = painter->fontMetrics().height(), sh = pixstop.height(), rh = pixrepeat.height();
//maxwidth
const uint mw = kMax( qw, kMax( rw, sw ) );
//width of first & second column of pixmaps
const uint w1 = ( num == 3 ) ? kMax( qw, rw )
: ( num == 2 && isCurrent ) ? kMax( repeat ? rw : 0, kMax( stop ? sw : 0, queue ? qw : 0 ) )
: ( num == 2 ) ? qw
: queue ? qw : repeat ? rw : stop ? sw : 0,
w2 = ( num == 3 ) ? sw
: ( num == 2 && !isCurrent ) ? sw
: 0; //phew
//ellipse width, total width
const uint ew = 16, tw = w1 + w2 + m * ( w2 ? 2 : 1 );
p.setBrush( cg.highlight() );
p.setPen( cg.highlight().dark() ); //TODO blend with background color
p.drawEllipse( width - tw - ew/2, m / 2, ew, h );
p.drawRect( width - tw, m / 2, tw, h );
p.setPen( cg.highlight() );
p.drawLine( width - tw, m/2 + 1, width - tw, h - m/2 );
int x = width - m - mw, y = height() / 2, tmp = 0;
const bool multi = ( isCurrent && num >= 2 );
if( queue )
{
//draw the shadowed inner text
//NOTE we can't set an arbituary font size or family, these settings are already optional
//and user defaults should also take presidence if no playlist font has been selected
//const QFont smallFont( "Arial", (playNext > 9) ? 9 : 12 );
//p->setFont( smallFont );
//TODO the shadow is hard to do well when using a dark font color
//TODO it also looks cluttered for small font sizes
//p->setPen( cg.highlightedText().dark() );
//p->drawText( width - w + 2, 3, w, h-1, Qt::AlignCenter, str );
if( !multi )
tmp = -(qh / 2);
y += tmp;
p.setPen( cg.highlightedText() );
p.drawText( x, y, -x + width, multi ? h/2 : qh, Qt::AlignCenter, str );
y -= tmp;
if( isCurrent )
y -= height() / 2;
else
x -= m + w2;
}
if( repeat )
{
if( multi )
tmp = (h/2 - rh)/2 + ( num == 2 && stop ? 0 : 1 );
else
tmp = -(rh / 2);
y += tmp;
p.drawPixmap( x, y, pixrepeat );
y -= tmp;
if( num == 3 )
{
x -= m + w2 + 2;
y = height() / 2;
}
else
y -= height() / 2;
}
if( stop )
{
if( multi && num != 3 )
tmp = m + (h/2 - sh)/2;
else
tmp = -(sh / 2);
y += tmp;
p.drawPixmap( x, y, pixstop );
y -= tmp;
}
}
if( this != listView()->currentTrack() && !isSelected() )
{
p.setPen( QPen( cg.mid(), 0, Qt::SolidLine ) );
p.drawLine( width - 1, 0, width - 1, height() - 1 );
}
p.end();
painter->drawPixmap( 0, 0, buf );
}
