//_______________________________________________
QColor Button::buttonDetailColor(const QPalette &palette) const
{
if( _client.glowIsAnimated() && !_forceInactive && !_client.isForcedActive()) return KColorUtils::mix(
buttonDetailColor( palette, false ),
buttonDetailColor( palette, true ),
_client.glowIntensity() );
else return buttonDetailColor( palette, isActive() || _client.isForcedActive() );
}
//_______________________________________________
QColor Button::buttonDetailColor(const QPalette &palette) const
{
auto d( qobject_cast<Decoration*>( decoration().data() ) );
if( d->isAnimated() )
{
return KColorUtils::mix(
buttonDetailColor( palette, false ),
buttonDetailColor( palette, true ),
d->opacity() );
} else {
return buttonDetailColor( palette, isActive());
}
}
//___________________________________________________
void Button::paint( QPainter& painter )
{
QPalette palette( _client.palette() );
palette.setCurrentColorGroup( isActive() ? QPalette::Active : QPalette::Inactive);
if(
_client.compositingActive() &&
!( _client.isMaximized() || _type == ButtonItemClose || _type == ButtonItemMenu ) )
{ painter.translate( 0, -1 ); }
// translate buttons down if window maximized
if( _client.isMaximized() ) painter.translate( 0, 1 );
// base button color
QColor base;
if( _type == ButtonItemClose && _forceInactive ) base = _client.backgroundPalette( this, palette ).window().color();
else if( _type == ButtonItemClose ) base = palette.window().color();
else base = palette.button().color();
// text color
QColor color = (_type == ButtonItemClose && _forceInactive ) ?
buttonDetailColor( _client.backgroundPalette( this, palette ) ):
buttonDetailColor( palette );
// decide decoration color
QColor glow;
if( isAnimated() || (_status&Hovered) )
{
glow = isCloseButton() ?
_helper.viewNegativeTextBrush().brush(palette).color():
_helper.viewHoverBrush().brush(palette).color();
if( isAnimated() )
{
color = KColorUtils::mix( color, glow, glowIntensity() );
glow = _helper.alphaColor( glow, glowIntensity() );
} else if( _status&Hovered ) color = glow;
}
if( hasDecoration() )
{
// scale
qreal scale( (21.0*_client.buttonSize())/22.0 );
// pressed state
const bool pressed(
(_status&Pressed) ||
( _type == ButtonSticky && _client.isOnAllDesktops() ) ||
( _type == ButtonAbove && _client.keepAbove() ) ||
( _type == ButtonBelow && _client.keepBelow() ) );
// draw button shape
painter.drawPixmap(0, 0, _helper.windecoButton( base, glow, pressed, scale ) );
}
// Icon
// for menu button the application icon is used
if( isMenuButton() )
{
int iconScale( 0 );
switch( _client.buttonSize() )
{
case Configuration::ButtonSmall: iconScale = 13; break;
default:
case Configuration::ButtonDefault: iconScale = 16; break;
case Configuration::ButtonLarge: iconScale = 20; break;
case Configuration::ButtonVeryLarge: iconScale = 24; break;
case Configuration::ButtonHuge: iconScale = 35; break;
}
const QPixmap& pixmap( _client.icon().pixmap( iconScale ) );
const double offset = 0.5*(width()-pixmap.width() );
painter.drawPixmap(offset, offset-1, pixmap );
} else {
painter.setRenderHints(QPainter::Antialiasing);
qreal width( 1.2 );
// contrast
painter.setBrush(Qt::NoBrush);
painter.setPen(QPen( _helper.calcLightColor( base ), width, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
drawIcon(&painter);
// main
painter.translate(0,-1.5);
painter.setBrush(Qt::NoBrush);
painter.setPen(QPen(color, width, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
drawIcon(&painter);
}
}
