382 lines
13 KiB
C++
382 lines
13 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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// Button.cpp
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// -------------------
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//
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// Copyright (c) 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr>
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// Copyright (c) 2006, 2007 Riccardo Iaconelli <riccardo@kde.org>
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// Copyright (c) 2006, 2007 Casper Boemann <cbr@boemann.dk>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//////////////////////////////////////////////////////////////////////////////
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#include "oxygenbutton.h"
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#include "oxygenbutton.moc"
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#include "oxygenclient.h"
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#include <cmath>
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#include <QtGui/QPainter>
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#include <QtGui/QPen>
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#include <KColorUtils>
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#include <KColorScheme>
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#include <kcommondecoration.h>
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namespace Oxygen
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{
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//_______________________________________________
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Button::Button(
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Client &parent,
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const QString& tip,
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ButtonType type):
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KCommonDecorationButton((::ButtonType)type, &parent),
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client_(parent),
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helper_( parent.helper() ),
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type_(type),
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forceInactive_( false ),
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glowAnimation_( new Animation( 150, this ) ),
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glowIntensity_(0)
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{
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setAutoFillBackground(false);
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setAttribute(Qt::WA_NoSystemBackground);
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{
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unsigned int size( client_.configuration().buttonSize() );
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setFixedSize( size, size );
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}
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setCursor(Qt::ArrowCursor);
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setToolTip(tip);
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// setup animation
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glowAnimation().data()->setStartValue( 0 );
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glowAnimation().data()->setEndValue( 1.0 );
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glowAnimation().data()->setTargetObject( this );
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glowAnimation().data()->setPropertyName( "glowIntensity" );
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glowAnimation().data()->setEasingCurve( QEasingCurve::InOutQuad );
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// setup connections
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connect( glowAnimation().data(), SIGNAL( valueChanged( const QVariant& ) ), SLOT( update( void ) ) );
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connect( glowAnimation().data(), SIGNAL( finished( void ) ), SLOT( update( void ) ) );
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reset(0);
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}
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//_______________________________________________
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Button::~Button()
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{}
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//_______________________________________________
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QColor Button::buttonDetailColor(const QPalette &palette)
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{
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if( client_.glowIsAnimated() && !forceInactive_ && !client_.isForcedActive()) return KColorUtils::mix(
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buttonDetailColor( palette, false ),
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buttonDetailColor( palette, true ),
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client_.glowIntensity() );
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else return buttonDetailColor( palette, isActive() || client_.isForcedActive() );
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}
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//_______________________________________________
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QColor Button::buttonDetailColor(const QPalette &palette, bool active)
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{
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if( active ) return palette.color(QPalette::Active, QPalette::WindowText);
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else {
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// todo: re-implement caching
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QColor ab = palette.color(QPalette::Active, QPalette::Window);
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QColor af = palette.color(QPalette::Active, QPalette::WindowText);
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QColor nb = palette.color(QPalette::Inactive, QPalette::Window);
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QColor nf = palette.color(QPalette::Inactive, QPalette::WindowText);
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return reduceContrast(nb, nf, qMax(qreal(2.5), KColorUtils::contrastRatio(ab, KColorUtils::mix(ab, af, 0.4))));
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}
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}
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//___________________________________________________
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bool Button::isActive( void ) const
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{ return (!forceInactive_) && client_.isActive(); }
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//___________________________________________________
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bool Button::animateButtonHover( void ) const
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{ return client_.useAnimations(); }
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//___________________________________________________
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QSize Button::sizeHint() const
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{
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unsigned int size( client_.configuration().buttonSize() );
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return QSize( size, size );
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}
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//___________________________________________________
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void Button::reset( unsigned long )
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{ glowAnimation().data()->setDuration( client_.configuration().animationsDuration() ); }
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//___________________________________________________
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void Button::enterEvent(QEvent *e)
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{
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KCommonDecorationButton::enterEvent(e);
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if (status_ != Oxygen::Pressed) status_ = Oxygen::Hovered;
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if( animateButtonHover() )
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{
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glowAnimation().data()->setDirection( Animation::Forward );
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if( !isAnimated() ) glowAnimation().data()->start();
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} else update();
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}
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//___________________________________________________
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void Button::leaveEvent(QEvent *e)
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{
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KCommonDecorationButton::leaveEvent(e);
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if( status_ == Oxygen::Hovered && animateButtonHover() )
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{
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glowAnimation().data()->setDirection( Animation::Backward );
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if( !isAnimated() ) glowAnimation().data()->start();
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}
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status_ = Oxygen::Normal;
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update();
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}
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//___________________________________________________
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void Button::mousePressEvent(QMouseEvent *e)
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{
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if( type_ == ButtonMax || e->button() == Qt::LeftButton )
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{
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status_ = Oxygen::Pressed;
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update();
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}
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KCommonDecorationButton::mousePressEvent(e);
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}
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//___________________________________________________
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void Button::mouseReleaseEvent(QMouseEvent *e)
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{
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status_ = ( rect().contains( e->pos() ) ) ? Oxygen::Hovered:Oxygen::Normal;
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update();
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KCommonDecorationButton::mouseReleaseEvent(e);
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}
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//___________________________________________________
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void Button::paintEvent(QPaintEvent *event)
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{
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if( client_.configuration().hideTitleBar() ) return;
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QPainter painter(this);
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painter.setClipRect(this->rect().intersected( event->rect() ) );
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painter.setRenderHints(QPainter::Antialiasing);
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QPalette palette = this->palette();
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if( isActive() ) palette.setCurrentColorGroup(QPalette::Active);
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else palette.setCurrentColorGroup(QPalette::Inactive);
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QColor color = palette.window().color();
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if(
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client_.compositingActive() &&
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!( client_.isMaximized() || type_ == ButtonItemClose || type_ == ButtonItemMenu ) )
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{ painter.translate( 0, -1 ); }
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// translate buttons down if window maximized
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if( client_.isMaximized() ) painter.translate( 0, 1 );
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// base button color
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QColor bt = ((type_ == ButtonItemClose && forceInactive_ ) ? client_.backgroundPalette( this, palette ):palette).window().color();
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// button icon and glow color depending on glow intensity
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color = (type_ == ButtonItemClose && forceInactive_ ) ?
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buttonDetailColor( client_.backgroundPalette( this, palette ) ):
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buttonDetailColor( palette );
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QColor glow = (type_ == ButtonClose || type_ == ButtonItemClose ) ?
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helper_.viewNegativeTextBrush().brush(palette).color():
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helper_.viewHoverBrush().brush(palette).color();
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glow = helper_.calcDarkColor( glow );
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if( isAnimated() ) color = KColorUtils::mix( color, glow, glowIntensity() );
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else if( status_ == Oxygen::Hovered ) color = glow;
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if( type_ != ButtonMenu && type_ != ButtonItemClose && type_ != ButtonItemMenu )
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{
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// decide shadow color
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QColor local;
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if( isAnimated() ) local = KColorUtils::mix( Qt::black, glow, glowIntensity() );
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else if( status_ == Oxygen::Hovered ) local = glow;
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else local = Qt::black;
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qreal scale( (21.0*client_.configuration().buttonSize())/22.0 );
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// draw shadow
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painter.drawPixmap( 0, 0, helper_.windecoButtonGlow( local, scale ) );
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// draw button shape
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bool pressed( (status_ == Oxygen::Pressed) || ( type_ == ButtonSticky && isChecked() ) );
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painter.drawPixmap(0, 0, helper_.windecoButton(bt, pressed, scale ) );
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}
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// Icon
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// for menu button the application icon is used
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if( type_ == ButtonMenu || type_ == ButtonItemMenu )
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{
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const QPixmap& pixmap( client_.icon().pixmap( client_.configuration().iconScale() ) );
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double offset = 0.5*(width()-pixmap.width() );
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painter.drawPixmap(offset, offset-1, pixmap );
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} else {
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painter.setRenderHints(QPainter::Antialiasing);
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qreal width( 1.2 );
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painter.setBrush(Qt::NoBrush);
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painter.setPen(QPen( helper_.calcLightColor( bt ), width, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
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drawIcon(&painter, palette, type_);
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painter.translate(0,-1.5);
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painter.setBrush(Qt::NoBrush);
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painter.setPen(QPen(color, width, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
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drawIcon(&painter, palette, type_);
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}
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}
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//___________________________________________________
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void Button::drawIcon(QPainter *painter, QPalette &palette, ButtonType &type)
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{
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painter->save();
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painter->setWindow( 0, 0, 22, 22 );
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QPen newPen = painter->pen();
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switch(type)
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{
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case ButtonSticky:
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painter->drawPoint(QPointF(10.5,10.5));
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break;
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case ButtonHelp:
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painter->translate(1.5, 1.5);
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painter->drawArc(7,5,4,4,135*16, -180*16);
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painter->drawArc(9,8,4,4,135*16,45*16);
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painter->drawPoint(9,12);
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painter->translate(-1.5, -1.5);
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break;
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case ButtonMin:
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painter->drawLine(QPointF( 7.5, 9.5), QPointF(10.5,12.5));
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painter->drawLine(QPointF(10.5,12.5), QPointF(13.5, 9.5));
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break;
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case ButtonMax:
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switch(client_.maximizeMode())
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{
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case Client::MaximizeRestore:
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case Client::MaximizeVertical:
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case Client::MaximizeHorizontal:
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painter->drawLine(QPointF( 7.5,11.5), QPointF(10.5, 8.5));
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painter->drawLine(QPointF(10.5, 8.5), QPointF(13.5,11.5));
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break;
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case Client::MaximizeFull:
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{
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painter->translate(1.5, 1.5);
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QPoint points[4] = {QPoint(9, 6), QPoint(12, 9), QPoint(9, 12), QPoint(6, 9)};
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painter->drawPolygon(points, 4);
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painter->translate(-1.5, -1.5);
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break;
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}
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}
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break;
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case ButtonItemClose:
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case ButtonClose:
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painter->drawLine(QPointF( 7.5,7.5), QPointF(13.5,13.5));
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painter->drawLine(QPointF(13.5,7.5), QPointF( 7.5,13.5));
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break;
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case ButtonAbove:
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if(isChecked()) {
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QPen newPen = painter->pen();
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newPen.setColor(helper_.viewHoverBrush().brush(palette).color());
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painter->setPen(newPen);
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}
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painter->drawLine(QPointF( 7.5,14), QPointF(10.5,11));
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painter->drawLine(QPointF(10.5,11), QPointF(13.5,14));
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painter->drawLine(QPointF( 7.5,10), QPointF(10.5, 7));
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painter->drawLine(QPointF(10.5, 7), QPointF(13.5,10));
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break;
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case ButtonBelow:
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if(isChecked()) {
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QPen newPen = painter->pen();
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newPen.setColor(helper_.viewHoverBrush().brush( palette ).color() );
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painter->setPen(newPen);
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}
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painter->drawLine(QPointF( 7.5,11), QPointF(10.5,14));
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painter->drawLine(QPointF(10.5,14), QPointF(13.5,11));
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painter->drawLine(QPointF( 7.5, 7), QPointF(10.5,10));
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painter->drawLine(QPointF(10.5,10), QPointF(13.5, 7));
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break;
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case ButtonShade:
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if (!isChecked())
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{
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// shade button
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painter->drawLine(QPointF( 7.5, 7.5), QPointF(10.5,10.5));
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painter->drawLine(QPointF(10.5,10.5), QPointF(13.5, 7.5));
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painter->drawLine(QPointF( 7.5,13.0), QPointF(13.5,13.0));
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} else {
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// unshade button
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painter->drawLine(QPointF( 7.5,10.5), QPointF(10.5, 7.5));
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painter->drawLine(QPointF(10.5, 7.5), QPointF(13.5,10.5));
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painter->drawLine(QPointF( 7.5,13.0), QPointF(13.5,13.0));
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}
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break;
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default:
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break;
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}
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painter->restore();
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return;
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}
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}
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