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breezebutton.cpp
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breezebutton.cpp
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/*
* Copyright 2014 Martin Gräßlin <[email protected]>
* Copyright 2014 Hugo Pereira Da Costa <[email protected]>
* Copyright 2017 Igor Shovkun <[email protected]>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "breezebutton.h"
#include <KDecoration2/DecoratedClient>
#include <KColorUtils>
#include <QPainter>
namespace SierraBreeze
{
using KDecoration2::ColorRole;
using KDecoration2::ColorGroup;
using KDecoration2::DecorationButtonType;
//__________________________________________________________________
Button::Button(DecorationButtonType type, Decoration* decoration, QObject* parent)
: DecorationButton(type, decoration, parent)
, m_animation( new QPropertyAnimation( this ) )
{
// setup animation
m_animation->setStartValue( 0 );
m_animation->setEndValue( 1.0 );
m_animation->setTargetObject( this );
m_animation->setPropertyName( "opacity" );
m_animation->setEasingCurve( QEasingCurve::InOutQuad );
// setup default geometry
const int height = decoration->buttonHeight();
setGeometry(QRect(0, 0, height, height));
setIconSize(QSize( height, height ));
// connections
connect(decoration->client().data(), SIGNAL(iconChanged(QIcon)), this, SLOT(update()));
connect(decoration->settings().data(), &KDecoration2::DecorationSettings::reconfigured, this, &Button::reconfigure);
connect( this, &KDecoration2::DecorationButton::hoveredChanged, this, &Button::updateAnimationState );
reconfigure();
}
//__________________________________________________________________
Button::Button(QObject *parent, const QVariantList &args)
// : DecorationButton(args.at(0).value<DecorationButtonType>(), args.at(1).value<Decoration*>(), parent)
// , m_flag(FlagStandalone)
// , m_animation( new QPropertyAnimation( this ) )
// {}
: Button(args.at(0).value<DecorationButtonType>(), args.at(1).value<Decoration*>(), parent)
{
m_flag = FlagStandalone;
//! icon size must return to !valid because it was altered from the default constructor,
//! in Standalone mode the button is not using the decoration metrics but its geometry
m_iconSize = QSize(-1, -1);
}
//__________________________________________________________________
Button *Button::create(DecorationButtonType type, KDecoration2::Decoration *decoration, QObject *parent)
{
if (auto d = qobject_cast<Decoration*>(decoration))
{
Button *b = new Button(type, d, parent);
switch( type )
{
case DecorationButtonType::Close:
b->setVisible( d->client().data()->isCloseable() );
QObject::connect(d->client().data(), &KDecoration2::DecoratedClient::closeableChanged, b, &SierraBreeze::Button::setVisible );
break;
case DecorationButtonType::Maximize:
b->setVisible( d->client().data()->isMaximizeable() );
QObject::connect(d->client().data(), &KDecoration2::DecoratedClient::maximizeableChanged, b, &SierraBreeze::Button::setVisible );
break;
case DecorationButtonType::Minimize:
b->setVisible( d->client().data()->isMinimizeable() );
QObject::connect(d->client().data(), &KDecoration2::DecoratedClient::minimizeableChanged, b, &SierraBreeze::Button::setVisible );
break;
case DecorationButtonType::ContextHelp:
b->setVisible( d->client().data()->providesContextHelp() );
QObject::connect(d->client().data(), &KDecoration2::DecoratedClient::providesContextHelpChanged, b, &SierraBreeze::Button::setVisible );
break;
case DecorationButtonType::Shade:
b->setVisible( d->client().data()->isShadeable() );
QObject::connect(d->client().data(), &KDecoration2::DecoratedClient::shadeableChanged, b, &SierraBreeze::Button::setVisible );
break;
case DecorationButtonType::Menu:
QObject::connect(d->client().data(), &KDecoration2::DecoratedClient::iconChanged, b, [b]() { b->update(); });
break;
default: break;
}
return b;
}
return nullptr;
}
//__________________________________________________________________
void Button::paint(QPainter *painter, const QRect &repaintRegion)
{
Q_UNUSED(repaintRegion)
if (!decoration()) return;
painter->save();
// translate from offset
if( m_flag == FlagFirstInList ) painter->translate( m_offset );
else painter->translate( 0, m_offset.y() );
if( !m_iconSize.isValid() ) m_iconSize = geometry().size().toSize();
// menu button
if (type() == DecorationButtonType::Menu)
{
const QRectF iconRect( geometry().topLeft(), m_iconSize );
const QPixmap pixmap = decoration()->client().data()->icon().pixmap( m_iconSize );
painter->drawPixmap(iconRect.center() - QPoint(pixmap.width()/2, pixmap.height()/2)/pixmap.devicePixelRatio(), pixmap);
} else {
drawIcon( painter );
}
painter->restore();
}
//__________________________________________________________________
void Button::drawIcon( QPainter *painter ) const
{
painter->setRenderHints( QPainter::Antialiasing );
/*
scale painter so that its window matches QRect( -1, -1, 20, 20 )
this makes all further rendering and scaling simpler
all further rendering is preformed inside QRect( 0, 0, 18, 18 )
*/
painter->translate( geometry().topLeft() );
const qreal width( m_iconSize.width() );
painter->scale( width/20, width/20 );
painter->translate( 1, 1 );
// render background
const QColor backgroundColor( this->backgroundColor() );
if( backgroundColor.isValid() )
{
painter->setPen( Qt::NoPen );
painter->setBrush( backgroundColor );
painter->drawEllipse( QRectF( 0, 0, 18, 18 ) );
}
// render mark
const QColor foregroundColor( this->foregroundColor() );
if( foregroundColor.isValid() )
{
// setup painter
QPen pen( foregroundColor );
pen.setCapStyle( Qt::RoundCap );
pen.setJoinStyle( Qt::MiterJoin );
pen.setWidthF( 1.1*qMax((qreal)1.0, 20/width ) );
painter->setPen( pen );
painter->setBrush( Qt::NoBrush );
auto d = qobject_cast<Decoration*>( decoration() );
auto c = d->client().data();
const auto hover_hint_color = QColor(41, 43, 50, 200);
QPen hint_pen(hover_hint_color);
hint_pen.setCapStyle( Qt::RoundCap );
hint_pen.setJoinStyle( Qt::MiterJoin );
hint_pen.setWidthF( 1.5*qMax((qreal)1.0, 20/width ) );
switch( type() )
{
case DecorationButtonType::Close:
{
QColor button_color = QColor(230, 61, 110);
if (!c->isActive())
button_color = QColor(255, 74, 130);
painter->setBrush( button_color );
painter->setPen( Qt::NoPen );
painter->drawEllipse( QRectF( 0, 0, 18, 18 ) );
painter->setBrush( Qt::NoBrush );
if ( isHovered() )
{
painter->setPen( hint_pen );
// painter->setPen(pen);
// it's a cross
painter->drawLine( QPointF( 6, 6 ), QPointF( 12, 12 ) );
painter->drawLine( QPointF( 6, 12 ), QPointF( 12, 6 ) );
}
painter->setPen( pen );
break;
}
case DecorationButtonType::Maximize:
{
QColor button_color = QColor(60, 120, 255);
if (!c->isActive())
button_color = QColor(61, 155, 255);
painter->setBrush( button_color );
painter->setPen( Qt::NoPen );
// painter->drawEllipse( QRectF( 3, 3, 12, 12 ) );
painter->drawEllipse( QRectF( 0, 0, 18, 18 ) );
painter->setBrush( Qt::NoBrush );
if ( isHovered() )
{
painter->setPen( hint_pen );
// two triangles
QPainterPath path1, path2;
path1.moveTo(5, 13);
path1.lineTo(11, 13);
path1.lineTo(5, 7);
path2.moveTo(13, 5);
path2.lineTo(7, 5);
path2.lineTo(13, 11);
painter->fillPath(path1, QBrush(hover_hint_color));
painter->fillPath(path2, QBrush(hover_hint_color));
}
painter->setPen( pen );
// if( isChecked() )
// {
// pen.setJoinStyle( Qt::RoundJoin );
// painter->setPen( pen );
// painter->drawPolygon( QPolygonF()
// << QPointF( 4, 9 )
// << QPointF( 9, 4 )
// << QPointF( 14, 9 )
// << QPointF( 9, 14 ) );
// } else {
// painter->drawPolyline( QPolygonF()
// << QPointF( 4, 11 )
// << QPointF( 9, 6 )
// << QPointF( 14, 11 ) );
// }
break;
}
case DecorationButtonType::Minimize:
{
QColor button_color = QColor(25, 192, 201);
if (!c->isActive())
button_color = QColor(25, 202, 211);
painter->setBrush( button_color );
painter->setPen( Qt::NoPen );
// painter->drawEllipse( QRectF( 3, 3, 12, 12 ) );
painter->drawEllipse( QRectF( 0, 0, 18, 18 ) );
painter->setBrush( Qt::NoBrush );
if ( isHovered() )
{
painter->setPen( hint_pen );
// painter->drawLine( QPointF( 6, 9 ), QPointF( 12, 9 ) );
painter->drawLine( QPointF( 5, 9 ), QPointF( 13, 9 ) );
}
painter->setPen( pen );
break;
}
case DecorationButtonType::OnAllDesktops:
{
QColor button_color = QColor(125, 209, 200);
if (!c->isActive())
button_color = QColor(199, 199, 199);
painter->setBrush( button_color );
painter->setPen( Qt::NoPen );
painter->drawEllipse( QRectF( 0, 0, 18, 18 ) );
if ( isHovered() || isChecked() )
{
painter->setBrush(QBrush(hover_hint_color));
painter->drawEllipse( QRectF( 6, 6, 6, 6 ) );
}
painter->setPen( pen );
painter->setBrush( Qt::NoBrush );
break;
}
case DecorationButtonType::Shade:
{
QColor button_color = QColor(135, 206, 249);
if (!c->isActive())
button_color = QColor(199, 199, 199);
painter->setBrush( button_color );
painter->setPen( Qt::NoPen );
painter->setBrush( button_color );
painter->drawEllipse( QRectF( 0, 0, 18, 18 ) );
painter->setBrush( Qt::NoBrush );
if (isChecked())
{
painter->setPen( hint_pen );
painter->drawLine( 4, 5, 14, 5 );
painter->drawPolyline( QPolygonF()
<< QPointF( 4, 8 )
<< QPointF( 9, 13 )
<< QPointF( 14, 8 ) );
}
else if (isHovered()) {
painter->setPen( hint_pen );
painter->drawLine( 4, 5, 14, 5 );
painter->drawPolyline( QPolygonF()
<< QPointF( 4, 13 )
<< QPointF( 9, 8 )
<< QPointF( 14, 13 ) );
}
break;
}
case DecorationButtonType::KeepBelow:
{
QColor button_color = QColor(255, 137, 241);
if (!c->isActive())
button_color = QColor(199, 199, 199);
painter->setBrush( button_color );
painter->setPen( Qt::NoPen );
painter->setBrush( button_color );
painter->drawEllipse( QRectF( 0, 0, 18, 18 ) );
painter->setBrush( Qt::NoBrush );
if (isChecked() || isHovered())
{
painter->setPen( hint_pen );
painter->drawPolyline( QPolygonF()
<< QPointF( 4, 5 )
<< QPointF( 9, 10 )
<< QPointF( 14, 5 ) );
painter->drawPolyline( QPolygonF()
<< QPointF( 4, 9 )
<< QPointF( 9, 14 )
<< QPointF( 14, 9 ) );
}
break;
}
case DecorationButtonType::KeepAbove:
{
QColor button_color = QColor(204, 176, 213);
if (!c->isActive())
button_color = QColor(199, 199, 199);
painter->setBrush( button_color );
painter->setPen( Qt::NoPen );
painter->drawEllipse( QRectF( 0, 0, 18, 18 ) );
painter->setBrush( Qt::NoBrush );
if ( isHovered() || isChecked())
{
painter->setPen( hint_pen );
QPainterPath path;
path.moveTo(9, 6);
path.lineTo(5, 12);
path.lineTo(13, 12);
painter->fillPath(path, QBrush(hover_hint_color));
}
painter->setPen( pen );
// painter->drawPolyline( QPolygonF()
// << QPointF( 4, 9 )
// << QPointF( 9, 4 )
// << QPointF( 14, 9 ) );
// painter->drawPolyline( QPolygonF()
// << QPointF( 4, 13 )
// << QPointF( 9, 8 )
// << QPointF( 14, 13 ) );
break;
}
case DecorationButtonType::ApplicationMenu:
{
painter->drawLine( QPointF( 3.5, 5 ), QPointF( 14.5, 5 ) );
painter->drawLine( QPointF( 3.5, 9 ), QPointF( 14.5, 9 ) );
painter->drawLine( QPointF( 3.5, 13 ), QPointF( 14.5, 13 ) );
break;
}
case DecorationButtonType::ContextHelp:
{
QPainterPath path;
path.moveTo( 5, 6 );
path.arcTo( QRectF( 5, 3.5, 8, 5 ), 180, -180 );
path.cubicTo( QPointF(12.5, 9.5), QPointF( 9, 7.5 ), QPointF( 9, 11.5 ) );
painter->drawPath( path );
painter->drawPoint( 9, 15 );
break;
}
default: break;
}
}
}
//__________________________________________________________________
QColor Button::foregroundColor( void ) const
{
auto d = qobject_cast<Decoration*>( decoration() );
if( !d ) {
return QColor();
} else if( isPressed() ) {
return d->titleBarColor();
} else if( type() == DecorationButtonType::Close && d->internalSettings()->outlineCloseButton() ) {
return d->titleBarColor();
} else if( ( type() == DecorationButtonType::KeepBelow || type() == DecorationButtonType::KeepAbove ) && isChecked() ) {
return d->titleBarColor();
} else if( m_animation->state() == QPropertyAnimation::Running ) {
return KColorUtils::mix( d->fontColor(), d->titleBarColor(), m_opacity );
} else if( isHovered() ) {
return d->titleBarColor();
} else {
return d->fontColor();
}
}
//__________________________________________________________________
QColor Button::backgroundColor( void ) const
{
auto d = qobject_cast<Decoration*>( decoration() );
if( !d ) {
return QColor();
}
auto c = d->client().data();
if( isPressed() ) {
if( type() == DecorationButtonType::Close ) return c->color( ColorGroup::Warning, ColorRole::Foreground );
else return KColorUtils::mix( d->titleBarColor(), d->fontColor(), 0.3 );
} else if( ( type() == DecorationButtonType::KeepBelow || type() == DecorationButtonType::KeepAbove ) && isChecked() ) {
return d->fontColor();
} else if( m_animation->state() == QPropertyAnimation::Running ) {
if( type() == DecorationButtonType::Close )
{
if( d->internalSettings()->outlineCloseButton() )
{
return KColorUtils::mix( d->fontColor(), c->color( ColorGroup::Warning, ColorRole::Foreground ).lighter(), m_opacity );
} else {
QColor color( c->color( ColorGroup::Warning, ColorRole::Foreground ).lighter() );
color.setAlpha( color.alpha()*m_opacity );
return color;
}
} else {
QColor color( d->fontColor() );
color.setAlpha( color.alpha()*m_opacity );
return color;
}
} else if( isHovered() ) {
if( type() == DecorationButtonType::Close ) return c->color( ColorGroup::Warning, ColorRole::Foreground ).lighter();
else return d->fontColor();
} else if( type() == DecorationButtonType::Close && d->internalSettings()->outlineCloseButton() ) {
return d->fontColor();
} else {
return QColor();
}
}
//________________________________________________________________
void Button::reconfigure()
{
// animation
auto d = qobject_cast<Decoration*>(decoration());
if( d ) m_animation->setDuration( d->internalSettings()->animationsDuration() );
}
//__________________________________________________________________
void Button::updateAnimationState( bool hovered )
{
auto d = qobject_cast<Decoration*>(decoration());
if( !(d && d->internalSettings()->animationsEnabled() ) ) return;
m_animation->setDirection( hovered ? QPropertyAnimation::Forward : QPropertyAnimation::Backward );
if( m_animation->state() != QPropertyAnimation::Running ) m_animation->start();
}
} // namespace