233 lines
5.9 KiB
C++
233 lines
5.9 KiB
C++
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/****************************************************************************
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** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KD Chart library.
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**
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** Licensees holding valid commercial KD Chart licenses may use this file in
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** accordance with the KD Chart Commercial License Agreement provided with
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** the Software.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 and version 3 as published by the
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** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** Contact info@kdab.com if any conditions of this licensing are not
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** clear to you.
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**
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**********************************************************************/
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#include "KDChartRelativePosition.h"
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#include "KDChartEnums.h"
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#include "KDChartMeasure.h"
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#include "KDChartPosition.h"
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#include "KDChartAbstractArea.h"
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#include <QWidget>
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#include <QLayout>
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#include <KDABLibFakes>
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using namespace KDChart;
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class RelativePosition::Private {
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friend class ::KDChart::RelativePosition;
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public:
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Private();
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~Private();
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private:
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QObject* area;
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PositionPoints points;
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Position position;
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Qt::Alignment alignment;
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Measure horizontalPadding;
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Measure verticalPadding;
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qreal rotation;
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};
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RelativePosition::Private::Private()
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: area( 0 ),
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alignment( Qt::AlignCenter ),
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rotation( 0 )
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{
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}
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RelativePosition::Private::~Private()
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{}
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RelativePosition::RelativePosition()
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: _d( new Private )
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{
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}
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RelativePosition::RelativePosition( const RelativePosition& r )
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: _d( new Private( *r._d ) )
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{
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}
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RelativePosition & RelativePosition::operator=( const RelativePosition & other ) {
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RelativePosition copy( other );
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copy.swap( *this );
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return *this;
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}
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RelativePosition::~RelativePosition()
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{
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delete _d;
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}
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#define d d_func()
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void RelativePosition::setReferenceArea( QObject * area ) {
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d->area = area;
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if( area )
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setReferencePoints( PositionPoints() );
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}
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QObject * RelativePosition::referenceArea() const {
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return d->area;
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}
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void RelativePosition::setReferencePoints( const PositionPoints& points ){
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d->points = points;
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if( !points.isNull() )
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setReferenceArea( 0 );
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}
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const PositionPoints RelativePosition::referencePoints() const{
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return d->points;
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}
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void RelativePosition::setReferencePosition( Position pos ) {
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d->position = pos;
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}
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void RelativePosition::resetReferencePosition() {
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d->position = Position::Unknown;
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}
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Position RelativePosition::referencePosition() const {
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return d->position;
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}
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void RelativePosition::setAlignment( Qt::Alignment align ) {
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d->alignment = align;
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}
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Qt::Alignment RelativePosition::alignment() const {
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return d->alignment;
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}
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void RelativePosition::setHorizontalPadding( const Measure & pad ) {
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d->horizontalPadding = pad;
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}
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Measure RelativePosition::horizontalPadding() const {
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return d->horizontalPadding;
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}
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void RelativePosition::setVerticalPadding( const Measure & pad ) {
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d->verticalPadding = pad;
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}
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Measure RelativePosition::verticalPadding() const {
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return d->verticalPadding;
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}
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void RelativePosition::setRotation( qreal rot ) {
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d->rotation = rot;
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}
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qreal RelativePosition::rotation() const {
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return d->rotation;
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}
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const QPointF RelativePosition::referencePoint(qreal* polarDegrees) const
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{
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bool useRect = (d->area != 0);
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QRect rect;
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if( useRect ){
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const QWidget* widget = dynamic_cast<const QWidget*>(d->area);
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if( widget ){
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const QLayout * layout = widget->layout();
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rect = layout ? layout->geometry() : widget->geometry();
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}else{
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const AbstractArea* kdcArea = dynamic_cast<const AbstractArea*>(d->area);
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if( kdcArea )
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rect = kdcArea->geometry();
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else
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useRect = false;
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}
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}
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QPointF pt;
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if ( useRect ){
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pt = PositionPoints( rect ).point( d->position );
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if( polarDegrees )
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*polarDegrees = 0.0;
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}else{
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pt = d->points.point( d->position );
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if( polarDegrees )
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*polarDegrees = d->points.degrees( d->position.value() );
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}
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return pt;
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}
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const QPointF RelativePosition::calculatedPoint( const QSizeF& autoSize ) const
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{
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const qreal dx = horizontalPadding().calculatedValue( autoSize, KDChartEnums::MeasureOrientationHorizontal );
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const qreal dy = verticalPadding() .calculatedValue( autoSize, KDChartEnums::MeasureOrientationVertical );
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qreal polarDegrees;
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QPointF pt( referencePoint( &polarDegrees ) );
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if( polarDegrees == 0.0 ){
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pt += QPointF(dx, dy);
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}else{
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const qreal rad = DEGTORAD( polarDegrees);
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const qreal sinDeg = sin(rad);
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const qreal cosDeg = cos(rad);
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pt.setX( pt.x() + dx * cosDeg + dy * sinDeg );
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pt.setY( pt.y() - dx * sinDeg + dy * cosDeg );
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}
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return pt;
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}
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bool RelativePosition::operator==( const RelativePosition& r ) const
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{
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return d->area == r.referenceArea() &&
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d->position == r.referencePosition() &&
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d->alignment == r.alignment() &&
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d->horizontalPadding == r.horizontalPadding() &&
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d->verticalPadding == r.verticalPadding() &&
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d->rotation == r.rotation() ;
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}
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#undef d
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#if !defined(QT_NO_DEBUG_STREAM)
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QDebug operator<<(QDebug dbg, const KDChart::RelativePosition& rp)
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{
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dbg << "KDChart::RelativePosition("
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<< "referencearea="<<rp.referenceArea()
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<< "referenceposition="<<rp.referencePosition()
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<< "alignment="<<rp.alignment()
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<< "horizontalpadding="<<rp.horizontalPadding()
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<< "verticalpadding="<<rp.verticalPadding()
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<< "rotation="<<rp.rotation()
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<< ")";
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return dbg;
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}
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#endif /* QT_NO_DEBUG_STREAM */
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