408 lines
13 KiB
C++
408 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->setStartValue( 0 );
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_glowAnimation->setEndValue( 1.0 );
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_glowAnimation->setTargetObject( this );
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_glowAnimation->setPropertyName( "glowIntensity" );
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_glowAnimation->setEasingCurve( QEasingCurve::InOutQuad );
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// setup connections
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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) const
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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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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->setDuration( _client.configuration().animationsDuration() ); }
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//___________________________________________________
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void Button::enterEvent( QEvent *event )
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{
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KCommonDecorationButton::enterEvent( event );
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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->setDirection( Animation::Forward );
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if( !isAnimated() ) _glowAnimation->start();
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} else update();
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}
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//___________________________________________________
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void Button::leaveEvent( QEvent *event )
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{
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KCommonDecorationButton::leaveEvent( event );
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if( _status == Oxygen::Hovered && animateButtonHover() )
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{
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_glowAnimation->setDirection( Animation::Backward );
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if( !isAnimated() ) _glowAnimation->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 *event )
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{
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if( _type == ButtonMax || event->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( event );
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}
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//___________________________________________________
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void Button::mouseReleaseEvent( QMouseEvent* event )
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{
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_status = ( rect().contains( event->pos() ) ) ? Oxygen::Hovered:Oxygen::Normal;
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update();
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KCommonDecorationButton::mouseReleaseEvent( event );
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}
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//___________________________________________________
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void Button::resizeEvent( QResizeEvent *event )
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{
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// resize backing store pixmap
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if( !_client.compositingActive() )
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{ _pixmap = QPixmap( event->size() ); }
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// base class implementation
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KCommonDecorationButton::resizeEvent( event );
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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.hideTitleBar() ) return;
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if( _client.compositingActive() )
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{
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QPainter painter( this );
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painter.setRenderHints(QPainter::Antialiasing);
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painter.setClipRegion( event->region() );
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paint( painter );
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} else {
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{
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// create painter
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QPainter painter( &_pixmap );
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painter.setRenderHints(QPainter::Antialiasing);
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painter.setClipRect( this->rect().intersected( event->rect() ) );
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// render parent background
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painter.translate( -geometry().topLeft() );
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_client.paintBackground( painter );
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// render buttons
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painter.translate( geometry().topLeft() );
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paint( painter );
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}
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QPainter painter(this);
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painter.setClipRegion( event->region() );
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painter.drawPixmap( QPoint(), _pixmap );
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}
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}
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//___________________________________________________
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void Button::paint( QPainter& painter )
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{
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QPalette palette( this->palette() );
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palette.setCurrentColorGroup( isActive() ? QPalette::Active : QPalette::Inactive);
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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 base;
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if( _type == ButtonItemClose && _forceInactive ) base = _client.backgroundPalette( this, palette ).window().color();
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else if( _type == ButtonItemClose ) base = palette.window().color();
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else base = palette.button().color();
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// text color
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QColor color = (_type == ButtonItemClose && _forceInactive ) ?
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buttonDetailColor( _client.backgroundPalette( this, palette ) ):
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buttonDetailColor( palette );
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// glow color
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QColor glow = isCloseButton() ?
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_helper.viewNegativeTextBrush().brush(palette).color():
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_helper.viewHoverBrush().brush(palette).color();
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// shadow color
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QColor shadow = _helper.calcShadowColor( base );
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// decide decoration color
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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( hasDecoration() )
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{
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// decide shadow color
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if( isAnimated() ) shadow = KColorUtils::mix( shadow, glow, glowIntensity() );
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else if( _status == Oxygen::Hovered ) shadow = glow;
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shadow = _helper.calcDarkColor( shadow );
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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( shadow, scale ) );
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// decide on pressed state
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const bool pressed(
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(_status == Oxygen::Pressed) ||
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( _type == ButtonSticky && _client.isOnAllDesktops() ) ||
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( _type == ButtonAbove && _client.keepAbove() ) ||
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( _type == ButtonBelow && _client.keepBelow() ) );
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// draw button shape
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painter.drawPixmap(0, 0, _helper.windecoButton( base, 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( isMenuButton() )
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{
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const QPixmap& pixmap( _client.icon().pixmap( _client.configuration().iconScale() ) );
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const 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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// contrast
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painter.setBrush(Qt::NoBrush);
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painter.setPen(QPen( _helper.calcLightColor( base ), width, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
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drawIcon(&painter);
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// main
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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);
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}
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}
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//___________________________________________________
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void Button::drawIcon( QPainter* painter )
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{
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painter->save();
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painter->setWindow( 0, 0, 22, 22 );
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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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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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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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