471 lines
16 KiB
C++
471 lines
16 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2009 Martin Gräßlin <kde@martin-graesslin.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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// own
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#include "tabboxview.h"
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// tabbox
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#include "clientitemdelegate.h"
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#include "clientmodel.h"
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#include "desktopitemdelegate.h"
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#include "desktopmodel.h"
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#include "tabboxconfig.h"
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#include "tabboxhandler.h"
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// Qt
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#include <QTextStream>
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#include <QGridLayout>
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#include <QHeaderView>
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#include <QKeyEvent>
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#include <QSizePolicy>
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#include <QPainter>
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#include <QPropertyAnimation>
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// KDE
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#include <kephal/screens.h>
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#include <Plasma/FrameSvg>
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#include <KDebug>
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namespace KWin
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{
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namespace TabBox
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{
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TabBoxView::TabBoxView( QWidget* parent )
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: QWidget( parent )
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, m_previewUpdate( false )
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{
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setWindowFlags( Qt::X11BypassWindowManagerHint );
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setAttribute( Qt::WA_TranslucentBackground );
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QPalette pal = palette();
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pal.setColor(backgroundRole(), Qt::transparent);
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setPalette(pal);
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m_clientModel = new ClientModel( this );
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m_desktopModel = new DesktopModel( this );
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m_delegate = new ClientItemDelegate( this );
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m_additionalClientDelegate = new ClientItemDelegate( this );
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m_additionalClientDelegate->setShowSelection( false );
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m_desktopItemDelegate = new DesktopItemDelegate( this );
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m_additionalDesktopDelegate = new DesktopItemDelegate( this );
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m_tableView = new TabBoxMainView( this );
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m_additionalView = new TabBoxAdditionalView( this );
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// FrameSvg
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m_frame = new Plasma::FrameSvg( this );
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m_frame->setImagePath( "dialogs/background" );
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m_frame->setCacheAllRenderedFrames( true );
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m_frame->setEnabledBorders( Plasma::FrameSvg::AllBorders );
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m_selectionFrame = new Plasma::FrameSvg( this );
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m_selectionFrame->setImagePath( "widgets/viewitem" );
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m_selectionFrame->setElementPrefix( "hover" );
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m_selectionFrame->setCacheAllRenderedFrames( true );
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m_selectionFrame->setEnabledBorders( Plasma::FrameSvg::AllBorders );
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m_animation = new QPropertyAnimation( this, "selectedItem", this );
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m_animation->setDuration(250);
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m_animation->setEasingCurve( QEasingCurve::InOutQuad );
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connect( tabBox, SIGNAL(configChanged()), this, SLOT(configChanged()));
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connect( m_animation, SIGNAL(valueChanged(QVariant)), SLOT(update()));
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connect( m_tableView, SIGNAL(activated(QModelIndex)), SLOT(setCurrentIndex(QModelIndex)));
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}
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TabBoxView::~TabBoxView()
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{
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}
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void TabBoxView::paintEvent(QPaintEvent* e)
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{
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// paint the background
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QPainter painter( this );
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painter.setRenderHint(QPainter::Antialiasing);
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painter.setClipRect(e->rect());
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m_frame->paintFrame( &painter );
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// and the selection item
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if( m_previewUpdate )
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{
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m_previewUpdate = false;
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setCurrentIndex( m_tableView->currentIndex() );
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}
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m_selectionFrame->paintFrame( &painter,
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m_tableView->geometry().topLeft() + m_selectedItem.topLeft() );
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QWidget::paintEvent(e);
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}
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bool TabBoxView::event( QEvent* event )
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{
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if( event->type() == QEvent::Paint )
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{
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QPainter p( this );
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p.setCompositionMode( QPainter::CompositionMode_Source );
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p.fillRect( rect(), Qt::transparent );
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}
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return QWidget::event( event );
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}
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void TabBoxView::resizeEvent(QResizeEvent* event)
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{
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m_frame->resizeFrame( event->size() );
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setMask( m_frame->mask() );
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QWidget::resizeEvent(event);
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}
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void TabBoxView::updateGeometry()
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{
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if( m_tableView->model()->columnCount() == 0 || m_tableView->model()->rowCount() == 0 )
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return;
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QSize hint = sizeHint();
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QRect screenRect = Kephal::ScreenUtils::screenGeometry( tabBox->activeScreen() );
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int x = screenRect.x() + screenRect.width() * 0.5 - hint.width() * 0.5;
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int y = screenRect.y() + screenRect.height() * 0.5 - hint.height() * 0.5;
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setGeometry( x, y, hint.width(), hint.height() );
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}
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QSize TabBoxView::sizeHint() const
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{
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if( m_tableView->model()->columnCount() == 0 || m_tableView->model()->rowCount() == 0 )
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return QSize( 0, 0 );
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// calculate width and height
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QSize tabBoxSize = m_tableView->sizeHint();
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qreal columnWidth = tabBoxSize.width() / m_tableView->model()->columnCount();
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qreal rowHeight = tabBoxSize.height() / m_tableView->model()->rowCount();
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for( int i=0; i<m_tableView->model()->rowCount(); i++ )
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m_tableView->setRowHeight( i, rowHeight );
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// additional view
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QSize additionalSize = m_additionalView->sizeHint();
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for( int i=0; i<m_additionalView->model()->columnCount(); i++ )
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m_additionalView->setColumnWidth( i, additionalSize.width() );
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for( int i=0; i<m_additionalView->model()->rowCount(); i++ )
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m_additionalView->setRowHeight( i, additionalSize.height() );
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// reserve some space for borders
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qreal top, bottom, left, right;
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m_frame->getMargins( left, top, right, bottom );
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int width = columnWidth * m_tableView->model()->columnCount() + left + right;
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int height = rowHeight * m_tableView->model()->rowCount() + top + bottom;
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qreal addedWidth = left + right;
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// depending on layout of additional view we have to add some width or height
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switch( tabBox->config().selectedItemViewPosition() )
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{
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case TabBoxConfig::AbovePosition: // fall through
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case TabBoxConfig::BelowPosition:
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if( additionalSize.width() + int(left + right) > width )
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{
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addedWidth += (additionalSize.width() + int(left + right) - width);
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width = additionalSize.width() + int(left + right);
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}
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height = height + additionalSize.height();
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break;
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case TabBoxConfig::LeftPosition: // fall through
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case TabBoxConfig::RightPosition:
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width = width + additionalSize.width();
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addedWidth += additionalSize.width();
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height = qMax( height, additionalSize.height() + int(top + bottom) );
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break;
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default:
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// don't add
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break;
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}
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QRect screenRect = Kephal::ScreenUtils::screenGeometry( tabBox->activeScreen() );
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width = qBound( screenRect.width() * tabBox->config().minWidth() / 100, width,
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screenRect.width() );
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height = qBound( screenRect.height() * tabBox->config().minHeight() / 100, height,
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screenRect.height() );
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if( width - addedWidth > tabBoxSize.width() )
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{
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columnWidth = (width - addedWidth) / m_tableView->model()->columnCount();
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}
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m_tableView->setMinimumWidth( width - addedWidth );
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for( int i=0; i<m_tableView->model()->columnCount(); i++ )
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m_tableView->setColumnWidth( i, columnWidth );
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return QSize( width, height );
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}
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void TabBoxView::setCurrentIndex( QModelIndex index )
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{
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if( index.isValid() )
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{
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m_tableView->setCurrentIndex( index );
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const QRect visualRect = m_tableView->visualRect( index );
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if( m_selectedItem.isNull() )
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m_selectedItem = visualRect;
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if( m_animation->state() == QPropertyAnimation::Running )
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{
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m_animation->stop();
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m_selectedItem = visualRect;
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update();
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}
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else
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{
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m_animation->setStartValue( m_selectedItem );
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m_animation->setEndValue( visualRect );
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m_animation->start();
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}
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m_selectionFrame->resizeFrame( visualRect.size() );
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m_additionalView->setCurrentIndex( index );
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}
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}
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void TabBoxView::configChanged()
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{
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switch( tabBox->config().tabBoxMode() )
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{
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case TabBoxConfig::ClientTabBox:
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m_tableView->setModel( m_clientModel );
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m_tableView->setItemDelegate( m_delegate );
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m_additionalView->setModel( m_clientModel );
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m_additionalView->setItemDelegate( m_additionalClientDelegate );
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break;
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case TabBoxConfig::DesktopTabBox:
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m_tableView->setModel( m_desktopModel );
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m_tableView->setItemDelegate( m_desktopItemDelegate );
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m_additionalView->setModel( m_desktopModel );
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m_additionalView->setItemDelegate( m_additionalDesktopDelegate );
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break;
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}
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QLayout* old = layout();
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QLayoutItem *child;
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while( old && (child = old->takeAt( 0 )) != 0 )
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{
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delete child;
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}
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delete old;
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QBoxLayout *layout;
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switch( tabBox->config().selectedItemViewPosition() )
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{
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case TabBoxConfig::AbovePosition:
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{
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layout = new QVBoxLayout();
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QHBoxLayout* horizontalLayout1 = new QHBoxLayout();
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horizontalLayout1->addStretch();
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horizontalLayout1->addWidget( m_additionalView );
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horizontalLayout1->addStretch();
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layout->addLayout( horizontalLayout1 );
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layout->addStretch();
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QHBoxLayout* horizontalLayout2 = new QHBoxLayout();
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horizontalLayout2->addStretch();
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horizontalLayout2->addWidget( m_tableView );
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horizontalLayout2->addStretch();
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layout->addLayout( horizontalLayout2 );
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m_additionalView->show();
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break;
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}
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case TabBoxConfig::BelowPosition:
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{
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layout = new QVBoxLayout();
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QHBoxLayout* horizontalLayout1 = new QHBoxLayout();
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horizontalLayout1->addStretch();
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horizontalLayout1->addWidget( m_tableView );
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horizontalLayout1->addStretch();
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layout->addLayout( horizontalLayout1 );
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layout->addStretch();
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QHBoxLayout* horizontalLayout2 = new QHBoxLayout();
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horizontalLayout2->addStretch();
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horizontalLayout2->addWidget( m_additionalView );
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horizontalLayout2->addStretch();
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layout->addLayout( horizontalLayout2 );
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m_additionalView->show();
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break;
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}
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case TabBoxConfig::LeftPosition:
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{
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layout = new QHBoxLayout();
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QVBoxLayout* verticalLayout1 = new QVBoxLayout();
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verticalLayout1->addStretch();
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verticalLayout1->addWidget( m_additionalView );
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verticalLayout1->addStretch();
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layout->addLayout( verticalLayout1 );
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layout->addStretch();
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QVBoxLayout* verticalLayout2 = new QVBoxLayout();
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verticalLayout2->addStretch();
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verticalLayout2->addWidget( m_tableView );
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verticalLayout2->addStretch();
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layout->addLayout( verticalLayout2 );
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m_additionalView->show();
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break;
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}
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case TabBoxConfig::RightPosition:
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{
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layout = new QHBoxLayout();
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QVBoxLayout* verticalLayout1 = new QVBoxLayout();
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verticalLayout1->addStretch();
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verticalLayout1->addWidget( m_tableView );
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verticalLayout1->addStretch();
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layout->addLayout( verticalLayout1 );
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layout->addStretch();
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QVBoxLayout* verticalLayout2 = new QVBoxLayout();
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verticalLayout2->addStretch();
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verticalLayout2->addWidget( m_additionalView );
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verticalLayout2->addStretch();
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layout->addLayout( verticalLayout2 );
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m_additionalView->show();
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break;
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}
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default:
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{
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layout = new QVBoxLayout();
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layout->addStretch();
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layout->addWidget( m_tableView );
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layout->addStretch();
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m_additionalView->hide();
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break;
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}
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}
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setLayout( layout );
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if( m_preview )
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m_previewUpdate = true;
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}
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QModelIndex TabBoxView::indexAt( QPoint pos )
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{
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return m_tableView->indexAt( pos );
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}
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void TabBoxView::setPreview( bool preview )
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{
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m_preview = preview;
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if( preview )
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m_frame->setImagePath( "dialogs/opaque/background" );
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}
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/********************************************************
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* TabBoxMainView
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********************************************************/
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TabBoxMainView::TabBoxMainView(QWidget* parent)
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: QTableView(parent)
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{
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setFrameStyle( QFrame::NoFrame );
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setHorizontalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
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setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
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viewport()->setAutoFillBackground( false );
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// adjust table view to needs of tabbox
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setShowGrid( false );
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horizontalHeader()->hide();
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verticalHeader()->hide();
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setSelectionMode( QAbstractItemView::SingleSelection );
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setSelectionBehavior( QAbstractItemView::SelectItems );
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setHorizontalScrollMode( QAbstractItemView::ScrollPerItem );
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setVerticalScrollMode( QAbstractItemView::ScrollPerItem );
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setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding );
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}
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TabBoxMainView::~TabBoxMainView()
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{
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}
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QSize TabBoxMainView::sizeHint() const
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{
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int maxWidth = 0;
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int minWidth = sizeHintForColumn( 0 );
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int maxHeight = 0;
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int minHeight = sizeHintForRow( 0 );
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for( int i=0; i<model()->columnCount(); i++ )
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{
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minWidth = qMin( minWidth, sizeHintForColumn( i ) );
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maxWidth = qMax( maxWidth, sizeHintForColumn( i ) );
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}
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for( int i=0; i<model()->rowCount(); i++ )
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{
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minHeight = qMin( minHeight, sizeHintForRow( i ) );
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maxHeight = qMax( maxHeight, sizeHintForRow( i ) );
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}
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qreal columnWidth = (minWidth + qreal(maxWidth - minWidth) / 2.0 );
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qreal rowHeight = (minHeight + qreal(maxHeight - minHeight) / 2.0 );
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return QSize( columnWidth * model()->columnCount(),
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rowHeight * model()->rowCount() );
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}
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QModelIndex TabBoxMainView::moveCursor(QAbstractItemView::CursorAction cursorAction, Qt::KeyboardModifiers modifiers)
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{
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Q_UNUSED( cursorAction )
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Q_UNUSED( modifiers )
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return currentIndex();
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}
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/********************************************************
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* TabBoxAdditonalView
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********************************************************/
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TabBoxAdditionalView::TabBoxAdditionalView(QWidget* parent)
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: QTableView(parent)
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{
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setFrameStyle( QFrame::NoFrame );
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setHorizontalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
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setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
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viewport()->setAutoFillBackground( false );
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// adjust table view to needs of tabbox
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setShowGrid( false );
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horizontalHeader()->hide();
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verticalHeader()->hide();
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setSelectionMode( QAbstractItemView::SingleSelection );
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setSelectionBehavior( QAbstractItemView::SelectItems );
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setHorizontalScrollMode( QAbstractItemView::ScrollPerItem );
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setVerticalScrollMode( QAbstractItemView::ScrollPerItem );
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setSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed );
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}
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TabBoxAdditionalView::~TabBoxAdditionalView()
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{
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}
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QSize TabBoxAdditionalView::sizeHint() const
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{
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int maxWidth = 0;
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int minWidth = sizeHintForColumn( 0 );
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int maxHeight = 0;
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int minHeight = sizeHintForRow( 0 );
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for( int i=0; i<model()->columnCount(); i++ )
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{
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minWidth = qMin( minWidth, sizeHintForColumn( i ) );
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maxWidth = qMax( maxWidth, sizeHintForColumn( i ) );
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}
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for( int i=0; i<model()->rowCount(); i++ )
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{
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minHeight = qMin( minHeight, sizeHintForRow( i ) );
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maxHeight = qMax( maxHeight, sizeHintForRow( i ) );
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}
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qreal columnWidth = (minWidth + qreal(maxWidth - minWidth) / 2.0 );
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qreal rowHeight = (minHeight + qreal(maxHeight - minHeight) / 2.0 );
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return QSize( columnWidth, rowHeight );
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}
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QModelIndex TabBoxAdditionalView::moveCursor( QAbstractItemView::CursorAction cursorAction, Qt::KeyboardModifiers modifiers )
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{
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Q_UNUSED( cursorAction )
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Q_UNUSED( modifiers )
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return currentIndex();
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}
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void TabBoxAdditionalView::wheelEvent( QWheelEvent* event )
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{
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Q_UNUSED( event )
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}
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} // namespace Tabbox
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} // namespace KWin
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#include "tabboxview.moc"
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