366 lines
12 KiB
C++
366 lines
12 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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// oxygenbutton.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 "oxygenclient.h"
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#include "oxygen.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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#include <KDebug>
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namespace Oxygen
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{
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//_______________________________________________
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OxygenButton::OxygenButton(OxygenClient &parent,
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const QString& tip, 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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colorCacheInvalid_(true),
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timeLine_( 200, this )
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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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timeLine_.setFrameRange( 0, 1000 );
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timeLine_.setCurveShape( QTimeLine::EaseInOutCurve );
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connect( &timeLine_, SIGNAL( frameChanged( int ) ), SLOT( update() ) );
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connect( &timeLine_, SIGNAL( finished() ), SLOT( update() ) );
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}
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//_______________________________________________
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OxygenButton::~OxygenButton()
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{}
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//declare function from Oxygenclient.cpp
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QColor reduceContrast(const QColor &c0, const QColor &c1, double t);
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//_______________________________________________
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QColor OxygenButton::buttonDetailColor(const QPalette &palette)
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{
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if( client_.timeLineIsRunning() ) return KColorUtils::mix(
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buttonDetailColor( palette, false ),
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buttonDetailColor( palette, true ),
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client_.opacity() );
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else return buttonDetailColor( palette, client_.isActive() );
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}
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//_______________________________________________
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QColor OxygenButton::buttonDetailColor(const QPalette &palette, bool active)
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{
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if( active ) return palette.color(QPalette::Active, QPalette::ButtonText);
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else {
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if (colorCacheInvalid_)
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{
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QColor ab = palette.color(QPalette::Active, QPalette::Button);
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QColor af = palette.color(QPalette::Active, QPalette::ButtonText);
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QColor nb = palette.color(QPalette::Inactive, QPalette::Button);
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QColor nf = palette.color(QPalette::Inactive, QPalette::ButtonText);
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colorCacheInvalid_ = false;
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cachedButtonDetailColor_ = reduceContrast(nb, nf, qMax(qreal(2.5), KColorUtils::contrastRatio(ab, KColorUtils::mix(ab, af, 0.4))));
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}
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return cachedButtonDetailColor_;
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}
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}
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//___________________________________________________
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QSize OxygenButton::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 OxygenButton::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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timeLine_.setDirection( QTimeLine::Forward );
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if( !timeLineIsRunning() ) timeLine_.start();
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update();
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}
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//___________________________________________________
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void OxygenButton::leaveEvent(QEvent *e)
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{
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KCommonDecorationButton::leaveEvent(e);
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if( status_ == Oxygen::Hovered )
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{
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timeLine_.setDirection( QTimeLine::Backward );
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if( !timeLineIsRunning() ) timeLine_.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 OxygenButton::mousePressEvent(QMouseEvent *e)
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{
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status_ = Oxygen::Pressed;
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update();
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KCommonDecorationButton::mousePressEvent(e);
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}
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//___________________________________________________
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void OxygenButton::mouseReleaseEvent(QMouseEvent *e)
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{
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status_ = 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 OxygenButton::paintEvent(QPaintEvent *event)
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{
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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 = OxygenButton::palette();
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if( client_.isActive() ) palette.setCurrentColorGroup(QPalette::Active);
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else palette.setCurrentColorGroup(QPalette::Inactive);
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// window background
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client_.renderWindowBackground( &painter, rect(), this, palette );
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// window border
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if( client_.drawTitleOutline() && !client_.isMaximized() )
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{ client_.renderWindowBorder( &painter, rect(), this, client_.backgroundPalette( this, palette ) ); }
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// colors
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QColor color = palette.window().color();
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// separator
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if( client_.drawSeparator() )
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{ client_.renderSeparator( &painter, rect(), this, color ); }
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// translate button up for centering
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if( !client_.isMaximized() ) painter.translate( 0, -1 );
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// for menu button the application icon is used
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if (type_ == ButtonMenu)
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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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return;
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}
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// calculate color depending on timeline state
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color = buttonDetailColor(palette);
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QColor glow = (type_ == ButtonClose) ?
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KColorScheme(palette.currentColorGroup()).foreground(KColorScheme::NegativeText).color():
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KColorScheme(palette.currentColorGroup()).decoration(KColorScheme::HoverColor).color();
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// make glow darker
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glow = helper_.calcDarkColor( glow );
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if( timeLineIsRunning() ) color = KColorUtils::mix( color, glow, opacity() );
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else if( status_ == Oxygen::Hovered ) color = glow;
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// button shape color
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QColor bt = palette.window().color();
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// draw glow on hover
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if( timeLineIsRunning() )
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{
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// mixed shadow and glow for smooth transition
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painter.drawPixmap(0, 0, helper_.windecoButtonGlow( KColorUtils::mix( Qt::black, glow, opacity() ), (21.0*client_.configuration().buttonSize())/22));
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} else if( status_ == Oxygen::Hovered ) {
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// glow only
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painter.drawPixmap(0, 0, helper_.windecoButtonGlow(glow, (21.0*client_.configuration().buttonSize())/22));
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} else {
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// shadow only
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painter.drawPixmap(0, 0, helper_.windecoButtonGlow(Qt::black, (21.0*client_.configuration().buttonSize())/22));
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}
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// draw button shape
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painter.drawPixmap(0, 0, helper_.windecoButton(bt, status_ == Oxygen::Pressed, (21.0*client_.configuration().buttonSize())/22.0 ) );
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// draw button icon
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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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void OxygenButton::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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if(isChecked()) {
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newPen.setColor(KColorScheme(palette.currentColorGroup()).decoration(KColorScheme::HoverColor).color());
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painter->setPen(newPen);
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}
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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 OxygenClient::MaximizeRestore:
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case OxygenClient::MaximizeVertical:
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case OxygenClient::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 OxygenClient::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 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(KColorScheme(palette.currentColorGroup()).decoration(KColorScheme::HoverColor).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(KColorScheme(palette.currentColorGroup()).decoration(KColorScheme::HoverColor).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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