KD Chart 2: KDChart::TextArea Class Reference

TextArea::~TextArea ( ) [virtual]

Definition at line 60 of file KDChartTextArea.cpp.

00061 {
00062     // this bloc left empty intentionally
00063 }

TextArea::TextArea ( ) [protected]

Definition at line 52 of file KDChartTextArea.cpp.

00053     : QObject()
00054     , KDChart::AbstractAreaBase()
00055     , KDChart::TextLayoutItem()
00056 {
00057     // this bloc left empty intentionally
00058 }

void AbstractAreaBase::alignToReferencePoint ( const RelativePosition & position ) [inherited]

Definition at line 91 of file KDChartAbstractAreaBase.cpp.

00092 {
00093     Q_UNUSED( position );
00094     // PENDING(kalle) FIXME
00095     qWarning( "Sorry, not implemented: void AbstractAreaBase::alignToReferencePoint( const RelativePosition& position )" );
00096 }

QRect TextArea::areaGeometry ( ) const [protected, virtual]

Implements KDChart::AbstractAreaBase.

Definition at line 105 of file KDChartTextArea.cpp.

References KDChart::TextLayoutItem::geometry().

Referenced by paintAll().

00106 {
00107     return geometry();
00108 }

const QObject * KDChart::TextLayoutItem::autoReferenceArea ( ) const [inherited]

Definition at line 245 of file KDChartLayoutItems.cpp.

Referenced by KDChart::TextBubbleLayoutItem::autoReferenceArea(), KDChart::HeaderFooter::compare(), and KDChart::HeaderFooter::setParent().

00246 {
00247     return mAutoReferenceArea;
00248 }

BackgroundAttributes AbstractAreaBase::backgroundAttributes ( ) const [inherited]

Definition at line 121 of file KDChartAbstractAreaBase.cpp.

References d.

Referenced by KDChart::AbstractAreaBase::compare(), and updateCommonBrush().

00122 {
00123     return d->backgroundAttributes;
00124 }

bool AbstractAreaBase::compare ( const AbstractAreaBase * other ) const [inherited]

Returns true if both areas have the same settings.

Definition at line 76 of file KDChartAbstractAreaBase.cpp.

References KDChart::AbstractAreaBase::backgroundAttributes(), and KDChart::AbstractAreaBase::frameAttributes().

00077 {
00078     if( other == this ) return true;
00079     if( ! other ){
00080         //qDebug() << "CartesianAxis::compare() cannot compare to Null pointer";
00081         return false;
00082     }
00083     /*
00084     qDebug() << "AbstractAreaBase:" << (frameAttributes() == other->frameAttributes())
00085         << (backgroundAttributes() == other->backgroundAttributes()) << "\n";
00086     */
00087     return  (frameAttributes()      == other->frameAttributes()) &&
00088             (backgroundAttributes() == other->backgroundAttributes());
00089 }

Qt::Orientations KDChart::TextLayoutItem::expandingDirections ( ) const [virtual, inherited]

pure virtual in QLayoutItem

Definition at line 304 of file KDChartLayoutItems.cpp.

Referenced by KDChart::TextBubbleLayoutItem::expandingDirections().

00305 {
00306     return 0; // Grow neither vertically nor horizontally
00307 }

FrameAttributes AbstractAreaBase::frameAttributes ( ) const [inherited]

Definition at line 107 of file KDChartAbstractAreaBase.cpp.

References d.

Referenced by KDChart::Legend::clone(), KDChart::AbstractAreaBase::compare(), and updateCommonBrush().

00108 {
00109     return d->frameAttributes;
00110 }

QRect KDChart::TextLayoutItem::geometry ( ) const [virtual, inherited]

pure virtual in QLayoutItem

Definition at line 309 of file KDChartLayoutItems.cpp.

Referenced by areaGeometry(), KDChart::TextBubbleLayoutItem::geometry(), KDChart::TextLayoutItem::paint(), paintAll(), KDChart::CartesianAxis::paintCtx(), and paintIntoRect().

00310 {
00311     return mRect;
00312 }

void AbstractAreaBase::getFrameLeadings	(	int &	left,
		int &	top,
		int &	right,
		int &	bottom
	)			const `[inherited]`

Definition at line 213 of file KDChartAbstractAreaBase.cpp.

References d.

Referenced by KDChart::AbstractAreaBase::innerRect(), and KDChart::AbstractAreaWidget::paintAll().

00214 {
00215     if( d && d->frameAttributes.isVisible() ){
00216         const int padding = qMax( d->frameAttributes.padding(), 0 );
00217         left   = padding;
00218         top    = padding;
00219         right  = padding;
00220         bottom = padding;
00221     }else{
00222         left   = 0;
00223         top    = 0;
00224         right  = 0;
00225         bottom = 0;
00226     }
00227 }

QRect AbstractAreaBase::innerRect ( ) const [protected, inherited]

Definition at line 229 of file KDChartAbstractAreaBase.cpp.

References KDChart::AbstractAreaBase::areaGeometry(), and KDChart::AbstractAreaBase::getFrameLeadings().

Referenced by paintAll(), and KDChart::AbstractArea::paintAll().

00230 {
00231     int left;
00232     int top;
00233     int right;
00234     int bottom;
00235     getFrameLeadings( left, top, right, bottom );
00236     return
00237         QRect( QPoint(0,0), areaGeometry().size() )
00238             .adjusted( left, top, -right, -bottom );
00239 }

bool KDChart::TextLayoutItem::intersects	(	const TextLayoutItem &	other,
		const QPoint &	myPos,
		const QPoint &	otherPos
	)			const `[virtual, inherited]`

Definition at line 470 of file KDChartLayoutItems.cpp.

References KDChart::TextLayoutItem::mAttributes, PI, r, KDChart::TextLayoutItem::rotatedCorners(), KDChart::TextAttributes::rotation(), and KDChart::TextLayoutItem::unrotatedSizeHint().

00471 {
00472     if ( mAttributes.rotation() != other.mAttributes.rotation() )
00473     {
00474         // that's the code for the common case: the rotation angles don't need to match here
00475         QPolygon myPolygon(          rotatedCorners() );
00476         QPolygon otherPolygon( other.rotatedCorners() );
00477 
00478         // move the polygons to their positions
00479         myPolygon.translate( myPos );
00480         otherPolygon.translate( otherPos );
00481 
00482         // create regions out of it
00483         QRegion myRegion( myPolygon );
00484         QRegion otherRegion( otherPolygon );
00485 
00486         // now the question - do they intersect or not?
00487         return ! myRegion.intersect( otherRegion ).isEmpty();
00488 
00489     } else {
00490         // and that's the code for the special case: the rotation angles match, which is less time consuming in calculation
00491         const qreal angle = mAttributes.rotation() * PI / 180.0;
00492         // both sizes
00493         const QSizeF mySize(          unrotatedSizeHint() );
00494         const QSizeF otherSize( other.unrotatedSizeHint() );
00495 
00496         // that's myP1 relative to myPos
00497         QPointF myP1( mySize.height() * sin( angle ), 0.0 );
00498         // that's otherP1 to myPos
00499         QPointF otherP1 = QPointF( otherSize.height() * sin( angle ), 0.0 ) + otherPos - myPos;
00500 
00501         // now rotate both points the negative angle around myPos
00502         myP1 = QPointF( myP1.x() * cos( -angle ), myP1.x() * sin( -angle ) );
00503         qreal r = sqrt( otherP1.x() * otherP1.x() + otherP1.y() * otherP1.y() );
00504         otherP1 = QPointF( r * cos( -angle ), r * sin( -angle ) );
00505 
00506         // finally we look, whether both rectangles intersect or even not
00507         const bool res = QRectF( myP1, mySize ).intersects( QRectF( otherP1, otherSize ) );
00508         //qDebug() << res << QRectF( myP1, mySize ) << QRectF( otherP1, otherSize );
00509         return res;
00510     }
00511 }

bool KDChart::TextLayoutItem::intersects	(	const TextLayoutItem &	other,
		const QPointF &	myPos,
		const QPointF &	otherPos
	)			const `[virtual, inherited]`

Definition at line 465 of file KDChartLayoutItems.cpp.

Referenced by KDChart::CartesianAxis::paintCtx().

00466 {
00467     return intersects( other, myPos.toPoint(), otherPos.toPoint() );
00468 }

bool KDChart::TextLayoutItem::isEmpty ( ) const [virtual, inherited]

pure virtual in QLayoutItem

Definition at line 314 of file KDChartLayoutItems.cpp.

Referenced by KDChart::TextBubbleLayoutItem::isEmpty().

00315 {
00316     return false; // never empty, otherwise the layout item would not exist
00317 }

QSize KDChart::TextLayoutItem::maximumSize ( ) const [virtual, inherited]

pure virtual in QLayoutItem

Definition at line 319 of file KDChartLayoutItems.cpp.

References KDChart::TextLayoutItem::sizeHint().

Referenced by KDChart::TextBubbleLayoutItem::maximumSize().

00320 {
00321     return sizeHint(); // PENDING(kalle) Review, quite inflexible
00322 }

QSize KDChart::TextLayoutItem::minimumSize ( ) const [virtual, inherited]

pure virtual in QLayoutItem

Definition at line 324 of file KDChartLayoutItems.cpp.

References KDChart::TextLayoutItem::sizeHint().

Referenced by KDChart::TextBubbleLayoutItem::minimumSize().

00325 {
00326     return sizeHint(); // PENDING(kalle) Review, quite inflexible
00327 }

void KDChart::TextLayoutItem::paint ( QPainter * painter ) [virtual, inherited]

Implements KDChart::AbstractLayoutItem.

Definition at line 618 of file KDChartLayoutItems.cpp.

References KDChart::TextAttributes::autoShrink(), KDChart::TextLayoutItem::geometry(), KDChart::TextAttributes::pen(), KDChart::TextLayoutItem::realFont(), rotatedRect(), KDChart::TextAttributes::rotation(), and KDChart::PrintingParameters::scalePen().

Referenced by KDChart::TextBubbleLayoutItem::paint(), paintAll(), and KDChart::CartesianAxis::paintCtx().

00619 {
00620     // make sure, cached font is updated, if needed:
00621     // sizeHint();
00622 
00623     if( !mRect.isValid() )
00624         return;
00625 
00626     const PainterSaver painterSaver( painter );
00627     QFont f = realFont();
00628     if ( mAttributes.autoShrink() )
00629         f.setPointSizeF( fitFontSizeToGeometry() );
00630     painter->setFont( f );
00631     QRectF rect( geometry() );
00632 
00633 // #ifdef DEBUG_ITEMS_PAINT
00634 //     painter->setPen( Qt::black );
00635 //     painter->drawRect( rect );
00636 // #endif
00637     painter->translate( rect.center() );
00638     rect.moveTopLeft( QPointF( - rect.width() / 2, - rect.height() / 2 ) );
00639 #ifdef DEBUG_ITEMS_PAINT
00640     painter->setPen( Qt::blue );
00641     painter->drawRect( rect );
00642     painter->drawRect( QRect(QPoint((rect.topLeft().toPoint()  + rect.bottomLeft().toPoint())  / 2 - QPoint(2,2)), QSize(3,3)) );
00643     //painter->drawRect( QRect(QPoint((rect.topRight().toPoint() + rect.bottomRight().toPoint()) / 2 - QPoint(2,2)), QSize(3,3)) );
00644 #endif
00645     painter->rotate( mAttributes.rotation() );
00646     rect = rotatedRect( rect, mAttributes.rotation() );
00647 #ifdef DEBUG_ITEMS_PAINT
00648     painter->setPen( Qt::red );
00649     painter->drawRect( rect );
00650     painter->drawRect( QRect(QPoint((rect.topLeft().toPoint()  + rect.bottomLeft().toPoint())  / 2 - QPoint(2,2)), QSize(3,3)) );
00651     //painter->drawRect( QRect(QPoint((rect.topRight().toPoint() + rect.bottomRight().toPoint()) / 2 - QPoint(2,2)), QSize(3,3)) );
00652 #endif
00653     painter->setPen( PrintingParameters::scalePen( mAttributes.pen() ) );
00654     QFontMetrics fontMetrics( f );
00655     const int AHight = fontMetrics.boundingRect( QChar::fromAscii( 'A' ) ).height();
00656     const qreal AVCenter = fontMetrics.ascent() - AHight / 2.0;
00657     // Make sure that capital letters are vertically centered. This looks much
00658     // better than just centering the text's bounding rect.
00659     rect.translate( 0.0, rect.height() / 2.0 - AVCenter );
00660     //painter->drawText( rect, Qt::AlignHCenter | Qt::AlignTop, mText );
00661     painter->drawText( rect, mTextAlignment, mText );
00662 
00663 //    if (  calcSizeHint( realFont() ).width() > rect.width() )
00664 //        qDebug() << "rect.width()" << rect.width() << "text.width()" << calcSizeHint( realFont() ).width();
00665 //
00666 //    //painter->drawText( rect, Qt::AlignHCenter | Qt::AlignVCenter, mText );
00667 }

void TextArea::paintAll ( QPainter & painter ) [virtual]

Call paintAll, if you want the background and the frame to be drawn before the normal paint() is invoked automatically.

Reimplemented from KDChart::AbstractLayoutItem.

Definition at line 83 of file KDChartTextArea.cpp.

References areaGeometry(), KDChart::TextLayoutItem::geometry(), KDChart::AbstractAreaBase::innerRect(), KDChart::TextLayoutItem::paint(), KDChart::AbstractAreaBase::paintBackground(), KDChart::AbstractAreaBase::paintFrame(), and KDChart::TextLayoutItem::setGeometry().

Referenced by paintIntoRect().

00084 {
00085     // Paint the background and frame
00086     paintBackground( painter, geometry() );
00087     paintFrame(      painter, geometry() );
00088 
00089     // temporarily adjust the widget size, to be sure all content gets calculated
00090     // to fit into the inner rectangle
00091     const QRect oldGeometry( areaGeometry()  );
00092     QRect inner( innerRect() );
00093     inner.moveTo(
00094         oldGeometry.left() + inner.left(),
00095         oldGeometry.top()  + inner.top() );
00096     const bool needAdjustGeometry = oldGeometry != inner;
00097     if( needAdjustGeometry )
00098         setGeometry( inner );
00099     paint( &painter );
00100     if( needAdjustGeometry )
00101         setGeometry( oldGeometry );
00102     //qDebug() << "TextAreaWidget::paintAll() done.";
00103 }

void AbstractAreaBase::paintBackground	(	QPainter &	painter,
		const QRect &	rectangle
	)			`[virtual, inherited]`

Definition at line 197 of file KDChartAbstractAreaBase.cpp.

References d, and KDChart::AbstractAreaBase::paintBackgroundAttributes().

Referenced by paintAll(), KDChart::AbstractAreaWidget::paintAll(), and KDChart::AbstractArea::paintAll().

00198 {
00199     Q_ASSERT_X ( d != 0, "AbstractAreaBase::paintBackground()",
00200                 "Private class was not initialized!" );
00201     paintBackgroundAttributes( painter, rect, d->backgroundAttributes );
00202 }

void AbstractAreaBase::paintBackgroundAttributes	(	QPainter &	painter,
		const QRect &	rectangle,
		const KDChart::BackgroundAttributes &	attributes
	)			`[static, inherited]`

Definition at line 128 of file KDChartAbstractAreaBase.cpp.

References KDChart::BackgroundAttributes::BackgroundPixmapModeCentered, KDChart::BackgroundAttributes::BackgroundPixmapModeNone, KDChart::BackgroundAttributes::BackgroundPixmapModeScaled, KDChart::BackgroundAttributes::BackgroundPixmapModeStretched, KDChart::BackgroundAttributes::brush(), KDChart::BackgroundAttributes::isVisible(), m, KDChart::BackgroundAttributes::pixmap(), and KDChart::BackgroundAttributes::pixmapMode().

Referenced by KDChart::AbstractAreaBase::paintBackground().

00130 {
00131     if( !attributes.isVisible() ) return;
00132 
00133     /* first draw the brush (may contain a pixmap)*/
00134     if( Qt::NoBrush != attributes.brush().style() ) {
00135         KDChart::PainterSaver painterSaver( &painter );
00136         painter.setPen( Qt::NoPen );
00137         const QPointF newTopLeft( painter.deviceMatrix().map( rect.topLeft() ) );
00138         painter.setBrushOrigin( newTopLeft );
00139         painter.setBrush( attributes.brush() );
00140         painter.drawRect( rect.adjusted( 0, 0, -1, -1 ) );
00141     }
00142     /* next draw the backPixmap over the brush */
00143     if( !attributes.pixmap().isNull() &&
00144         attributes.pixmapMode() != BackgroundAttributes::BackgroundPixmapModeNone ) {
00145         QPointF ol = rect.topLeft();
00146         if( BackgroundAttributes::BackgroundPixmapModeCentered == attributes.pixmapMode() )
00147         {
00148             ol.setX( rect.center().x() - attributes.pixmap().width() / 2 );
00149             ol.setY( rect.center().y() - attributes.pixmap().height()/ 2 );
00150             painter.drawPixmap( ol, attributes.pixmap() );
00151         } else {
00152             QMatrix m;
00153             double zW = (double)rect.width()  / (double)attributes.pixmap().width();
00154             double zH = (double)rect.height() / (double)attributes.pixmap().height();
00155             switch( attributes.pixmapMode() ) {
00156             case BackgroundAttributes::BackgroundPixmapModeScaled:
00157             {
00158                 double z;
00159                 z = qMin( zW, zH );
00160                 m.scale( z, z );
00161             }
00162             break;
00163             case BackgroundAttributes::BackgroundPixmapModeStretched:
00164                 m.scale( zW, zH );
00165                 break;
00166             default:
00167                 ; // Cannot happen, previously checked
00168             }
00169             QPixmap pm = attributes.pixmap().transformed( m );
00170             ol.setX( rect.center().x() - pm.width() / 2 );
00171             ol.setY( rect.center().y() - pm.height()/ 2 );
00172             painter.drawPixmap( ol, pm );
00173         }
00174     }
00175 }

void KDChart::AbstractLayoutItem::paintCtx ( PaintContext * context ) [virtual, inherited]

Default impl: Paint the complete item using its layouted position and size.

Reimplemented in KDChart::CartesianAxis, KDChart::LeveyJenningsAxis, and KDChart::TernaryAxis.

Definition at line 78 of file KDChartLayoutItems.cpp.

References KDChart::AbstractLayoutItem::paint(), and KDChart::PaintContext::painter().

00079 {
00080     if( context )
00081         paint( context->painter() );
00082 }

void AbstractAreaBase::paintFrame	(	QPainter &	painter,
		const QRect &	rectangle
	)			`[virtual, inherited]`

Definition at line 205 of file KDChartAbstractAreaBase.cpp.

References d, and KDChart::AbstractAreaBase::paintFrameAttributes().

Referenced by paintAll(), KDChart::AbstractAreaWidget::paintAll(), and KDChart::AbstractArea::paintAll().

00206 {
00207     Q_ASSERT_X ( d != 0, "AbstractAreaBase::paintFrame()",
00208                 "Private class was not initialized!" );
00209     paintFrameAttributes( painter, rect, d->frameAttributes );
00210 }

void AbstractAreaBase::paintFrameAttributes	(	QPainter &	painter,
		const QRect &	rectangle,
		const KDChart::FrameAttributes &	attributes
	)			`[static, inherited]`

Definition at line 178 of file KDChartAbstractAreaBase.cpp.

References KDChart::FrameAttributes::isVisible(), KDChart::FrameAttributes::pen(), and KDChart::PrintingParameters::scalePen().

Referenced by KDChart::AbstractAreaBase::paintFrame().

00180 {
00181 
00182     if( !attributes.isVisible() ) return;
00183 
00184     // Note: We set the brush to NoBrush explicitly here.
00185     //       Otherwise we might get a filled rectangle, so any
00186     //       previously drawn background would be overwritten by that area.
00187 
00188     const QPen   oldPen(   painter.pen() );
00189     const QBrush oldBrush( painter.brush() );
00190     painter.setPen(  PrintingParameters::scalePen( attributes.pen() ) );
00191     painter.setBrush( Qt::NoBrush );
00192     painter.drawRect( rect.adjusted( 0, 0, -1, -1 ) );
00193     painter.setBrush( oldBrush );
00194     painter.setPen( oldPen );
00195 }

void TextArea::paintIntoRect	(	QPainter &	painter,
		const QRect &	rect
	)			`[virtual]`

Draws the background and frame, then calls paint().

In most cases there is no need to overwrite this method in a derived class, but you would overwrite TextLayoutItem::paint() instead.

Definition at line 71 of file KDChartTextArea.cpp.

References KDChart::TextLayoutItem::geometry(), paintAll(), and KDChart::TextLayoutItem::setGeometry().

00072 {
00073     const QRect oldGeometry( geometry() );
00074     if( oldGeometry != rect )
00075         setGeometry( rect );
00076     painter.translate( rect.left(), rect.top() );
00077     paintAll( painter );
00078     painter.translate( -rect.left(), -rect.top() );
00079     if( oldGeometry != rect )
00080         setGeometry( oldGeometry );
00081 }

QLayout* KDChart::AbstractLayoutItem::parentLayout ( ) [inherited]

Definition at line 79 of file KDChartLayoutItems.h.

00080         {
00081             return mParentLayout;
00082         }

void KDChart::TextArea::positionChanged ( TextArea * ) [signal]

Referenced by positionHasChanged().

void TextArea::positionHasChanged ( ) [protected, virtual]

Reimplemented from KDChart::AbstractAreaBase.

Definition at line 110 of file KDChartTextArea.cpp.

References positionChanged().

00111 {
00112     emit positionChanged( this );
00113 }

QFont KDChart::TextLayoutItem::realFont ( ) const [virtual, inherited]

Definition at line 442 of file KDChartLayoutItems.cpp.

Referenced by KDChart::TextLayoutItem::paint(), and KDChart::CartesianAxis::paintCtx().

00443 {
00444     realFontWasRecalculated(); // we can safely ignore the boolean return value
00445     return cachedFont;
00446 }

qreal KDChart::TextLayoutItem::realFontSize ( ) const [virtual, inherited]

Definition at line 422 of file KDChartLayoutItems.cpp.

References KDChart::TextAttributes::calculatedFontSize().

00423 {
00424     return mAttributes.calculatedFontSize( mAutoReferenceArea, mAutoReferenceOrientation );
00425 }

void KDChart::AbstractLayoutItem::removeFromParentLayout ( ) [inherited]

Definition at line 83 of file KDChartLayoutItems.h.

Referenced by KDChart::Chart::takeCoordinatePlane().

00084         {
00085             if( mParentLayout ){
00086                 if( widget() )
00087                     mParentLayout->removeWidget( widget() );
00088                 else
00089                     mParentLayout->removeItem( this );
00090             }
00091         }

void KDChart::TextLayoutItem::setAutoReferenceArea ( const QObject * area ) [inherited]

Definition at line 238 of file KDChartLayoutItems.cpp.

References KDChart::TextLayoutItem::sizeHint().

Referenced by KDChart::TextBubbleLayoutItem::setAutoReferenceArea(), and KDChart::HeaderFooter::setParent().

00239 {
00240     mAutoReferenceArea = area;
00241     cachedSizeHint = QSize();
00242     sizeHint();
00243 }

void AbstractAreaBase::setBackgroundAttributes ( const BackgroundAttributes & a ) [inherited]

Definition at line 112 of file KDChartAbstractAreaBase.cpp.

References d, and KDChart::AbstractAreaBase::positionHasChanged().

00113 {
00114     if( d->backgroundAttributes == a )
00115         return;
00116 
00117     d->backgroundAttributes = a;
00118     positionHasChanged();
00119 }

void AbstractAreaBase::setFrameAttributes ( const FrameAttributes & a ) [inherited]

Definition at line 98 of file KDChartAbstractAreaBase.cpp.

References d, and KDChart::AbstractAreaBase::positionHasChanged().

Referenced by KDChart::Legend::clone().

00099 {
00100     if( d->frameAttributes == a )
00101         return;
00102 
00103     d->frameAttributes = a;
00104     positionHasChanged();
00105 }

void KDChart::TextLayoutItem::setGeometry ( const QRect & r ) [virtual, inherited]

pure virtual in QLayoutItem

Definition at line 329 of file KDChartLayoutItems.cpp.

Referenced by paintAll(), KDChart::CartesianAxis::paintCtx(), paintIntoRect(), and KDChart::TextBubbleLayoutItem::setGeometry().

00330 {
00331     mRect = r;
00332 }

void KDChart::AbstractLayoutItem::setParentLayout ( QLayout * lay ) [inherited]

Definition at line 75 of file KDChartLayoutItems.h.

00076         {
00077             mParentLayout = lay;
00078         }

void KDChart::AbstractLayoutItem::setParentWidget ( QWidget * widget ) [virtual, inherited]

Inform the item about its widget: This enables the item, to trigger that widget's update, whenever the size of the item's contents has changed.

Thus, you need to call setParentWidget on every item, that has a non-fixed size.

Definition at line 65 of file KDChartLayoutItems.cpp.

References KDChart::AbstractLayoutItem::mParent.

Referenced by KDChart::HeaderFooter::setParent(), and KDChart::AbstractCartesianDiagram::takeAxis().

00066 {
00067     mParent = widget;
00068 }

void KDChart::TextLayoutItem::setText ( const QString & text ) [inherited]

Definition at line 250 of file KDChartLayoutItems.cpp.

References KDChart::AbstractLayoutItem::mParent, and KDChart::TextLayoutItem::sizeHint().

Referenced by KDChart::Widget::addHeaderFooter(), KDChart::HeaderFooter::clone(), KDChart::CartesianAxis::paintCtx(), and KDChart::TextBubbleLayoutItem::setText().

00251 {
00252     mText = text;
00253     cachedSizeHint = QSize();
00254     sizeHint();
00255     if( mParent )
00256         mParent->update();
00257 }

void KDChart::TextLayoutItem::setTextAlignment ( Qt::Alignment alignment ) [inherited]

Definition at line 264 of file KDChartLayoutItems.cpp.

References KDChart::AbstractLayoutItem::mParent.

00265 {
00266     if( mTextAlignment == alignment )
00267         return;
00268     mTextAlignment = alignment;
00269     if( mParent )
00270         mParent->update();
00271 }

void KDChart::TextLayoutItem::setTextAttributes ( const TextAttributes & a ) [inherited]

Use this to specify the text attributes to be used for this item.

See also:: textAttributes

Definition at line 283 of file KDChartLayoutItems.cpp.

References KDChart::TextAttributes::font(), KDChart::AbstractLayoutItem::mParent, and KDChart::TextLayoutItem::sizeHint().

Referenced by KDChart::HeaderFooter::clone(), and KDChart::TextBubbleLayoutItem::setTextAttributes().

00284 {
00285     mAttributes = a;
00286     cachedFont = a.font();
00287     cachedSizeHint = QSize(); // invalidate size hint
00288     sizeHint();
00289     if( mParent )
00290         mParent->update();
00291 }

QSize KDChart::TextLayoutItem::sizeHint ( ) const [virtual, inherited]

pure virtual in QLayoutItem

Definition at line 513 of file KDChartLayoutItems.cpp.

References KDChart::TextLayoutItem::sizeHintAndRotatedCorners().

Referenced by KDChart::TextLayoutItem::maximumSize(), KDChart::TextLayoutItem::minimumSize(), KDChart::CartesianAxis::paintCtx(), KDChart::TextLayoutItem::setAutoReferenceArea(), KDChart::TextLayoutItem::setText(), KDChart::TextLayoutItem::setTextAttributes(), and KDChart::TextBubbleLayoutItem::sizeHint().

00514 {
00515     QPoint dummy;
00516     return sizeHintAndRotatedCorners(dummy,dummy,dummy,dummy);
00517 }

QSize KDChart::TextLayoutItem::sizeHintAndRotatedCorners	(	QPoint &	topLeftPt,
		QPoint &	topRightPt,
		QPoint &	bottomRightPt,
		QPoint &	bottomLeftPt
	)			const `[virtual, inherited]`

Definition at line 519 of file KDChartLayoutItems.cpp.

References KDChart::TextAttributes::rotation(), and KDChart::AbstractLayoutItem::sizeHintChanged().

Referenced by KDChart::CartesianAxis::paintCtx(), and KDChart::TextLayoutItem::sizeHint().

00521 {
00522     if( realFontWasRecalculated() || mAttributes.rotation() )
00523     {
00524         const QSize newSizeHint( calcSizeHint( cachedFont,
00525                                                topLeftPt, topRightPt, bottomRightPt, bottomLeftPt ) );
00526         if( newSizeHint != cachedSizeHint ){
00527             cachedSizeHint = newSizeHint;
00528             sizeHintChanged();
00529         }
00530         cachedTopLeft     = topLeftPt;
00531         cachedTopRight    = topRightPt;
00532         cachedBottomRight = bottomRightPt;
00533         cachedBottomLeft  = bottomLeftPt;
00534     }else{
00535         topLeftPt     = cachedTopLeft;
00536         topRightPt    = cachedTopRight;
00537         bottomRightPt = cachedBottomRight;
00538         bottomLeftPt  = cachedBottomLeft;
00539     }
00540     //qDebug() << "-------- KDChart::TextLayoutItem::sizeHint() returns:"<<cachedSizeHint<<" ----------";
00541     return cachedSizeHint;
00542 }

void KDChart::AbstractLayoutItem::sizeHintChanged ( ) const [virtual, inherited]

Report changed size hint: ask the parent widget to recalculate the layout.

Definition at line 87 of file KDChartLayoutItems.cpp.

References KDChart::AbstractLayoutItem::mParent.

Referenced by KDChart::TextLayoutItem::sizeHintAndRotatedCorners().

00088 {
00089     // This is exactly like what QWidget::updateGeometry does.
00090 //  qDebug("KDChart::AbstractLayoutItem::sizeHintChanged() called");
00091     if( mParent ) {
00092         if ( mParent->layout() )
00093             mParent->layout()->invalidate();
00094         else
00095             QApplication::postEvent( mParent, new QEvent( QEvent::LayoutRequest ) );
00096     }
00097 }

QSize KDChart::TextLayoutItem::sizeHintUnrotated ( ) const [virtual, inherited]

Definition at line 544 of file KDChartLayoutItems.cpp.

Referenced by KDChart::CartesianAxis::paintCtx().

00545 {
00546     realFontWasRecalculated(); // make sure the cached font is updated if needed
00547     return unrotatedSizeHint( cachedFont );
00548 }

QString KDChart::TextLayoutItem::text ( ) const [inherited]

Definition at line 259 of file KDChartLayoutItems.cpp.

Referenced by KDChart::HeaderFooter::clone(), KDChart::HeaderFooter::compare(), KDChart::CartesianAxis::paintCtx(), and KDChart::TextBubbleLayoutItem::text().

00260 {
00261     return mText;
00262 }

Qt::Alignment KDChart::TextLayoutItem::textAlignment ( ) const [inherited]

Definition at line 273 of file KDChartLayoutItems.cpp.

00274 {
00275     return mTextAlignment;
00276 }

KDChart::TextAttributes KDChart::TextLayoutItem::textAttributes ( ) const [inherited]

Returns the text attributes to be used for this item.

See also:: setTextAttributes

Definition at line 298 of file KDChartLayoutItems.cpp.

Referenced by KDChart::HeaderFooter::clone(), KDChart::HeaderFooter::compare(), and KDChart::TextBubbleLayoutItem::textAttributes().

00299 {
00300     return mAttributes;
00301 }

QWidget* KDChart::AbstractLayoutItem::mParent [protected, inherited]

Definition at line 93 of file KDChartLayoutItems.h.

Referenced by KDChart::AbstractLayoutItem::setParentWidget(), KDChart::TextLayoutItem::setText(), KDChart::TextLayoutItem::setTextAlignment(), KDChart::TextLayoutItem::setTextAttributes(), and KDChart::AbstractLayoutItem::sizeHintChanged().

QLayout* KDChart::AbstractLayoutItem::mParentLayout [protected, inherited]

Definition at line 94 of file KDChartLayoutItems.h.

Referenced by KDChart::AutoSpacerLayoutItem::paint().


Signals
void	positionChanged (TextArea *)
Public Member Functions
void	alignToReferencePoint (const RelativePosition &position)
const QObject *	autoReferenceArea () const
BackgroundAttributes	backgroundAttributes () const
bool	compare (const AbstractAreaBase *other) const
	Returns true if both areas have the same settings.
virtual Qt::Orientations	expandingDirections () const
	pure virtual in QLayoutItem
FrameAttributes	frameAttributes () const
virtual QRect	geometry () const
	pure virtual in QLayoutItem
void	getFrameLeadings (int &left, int &top, int &right, int &bottom) const
virtual bool	intersects (const TextLayoutItem &other, const QPoint &myPos, const QPoint &otherPos) const
virtual bool	intersects (const TextLayoutItem &other, const QPointF &myPos, const QPointF &otherPos) const
virtual bool	isEmpty () const
	pure virtual in QLayoutItem
virtual QSize	maximumSize () const
	pure virtual in QLayoutItem
virtual QSize	minimumSize () const
	pure virtual in QLayoutItem
virtual void	paint (QPainter *)
void	paintAll (QPainter &painter)
	Call paintAll, if you want the background and the frame to be drawn before the normal paint() is invoked automatically.
virtual void	paintBackground (QPainter &painter, const QRect &rectangle)
virtual void	paintCtx (PaintContext *context)
	Default impl: Paint the complete item using its layouted position and size.
virtual void	paintFrame (QPainter &painter, const QRect &rectangle)
virtual void	paintIntoRect (QPainter &painter, const QRect &rect)
	Draws the background and frame, then calls paint().
QLayout *	parentLayout ()
virtual QFont	realFont () const
virtual qreal	realFontSize () const
void	removeFromParentLayout ()
void	setAutoReferenceArea (const QObject *area)
void	setBackgroundAttributes (const BackgroundAttributes &a)
void	setFrameAttributes (const FrameAttributes &a)
virtual void	setGeometry (const QRect &r)
	pure virtual in QLayoutItem
void	setParentLayout (QLayout *lay)
virtual void	setParentWidget (QWidget *widget)
	Inform the item about its widget: This enables the item, to trigger that widget's update, whenever the size of the item's contents has changed.
void	setText (const QString &text)
void	setTextAlignment (Qt::Alignment)
void	setTextAttributes (const TextAttributes &a)
	Use this to specify the text attributes to be used for this item.
virtual QSize	sizeHint () const
	pure virtual in QLayoutItem
virtual QSize	sizeHintAndRotatedCorners (QPoint &topLeftPt, QPoint &topRightPt, QPoint &bottomRightPt, QPoint &bottomLeftPt) const
virtual void	sizeHintChanged () const
	Report changed size hint: ask the parent widget to recalculate the layout.
virtual QSize	sizeHintUnrotated () const
QString	text () const
Qt::Alignment	textAlignment () const
TextAttributes	textAttributes () const
	Returns the text attributes to be used for this item.
virtual	~TextArea ()
Static Public Member Functions
static void	paintBackgroundAttributes (QPainter &painter, const QRect &rectangle, const KDChart::BackgroundAttributes &attributes)
static void	paintFrameAttributes (QPainter &painter, const QRect &rectangle, const KDChart::FrameAttributes &attributes)
Protected Member Functions
virtual QRect	areaGeometry () const
QRect	innerRect () const
virtual void	positionHasChanged ()
	TextArea ()
Protected Attributes
QWidget *	mParent
QLayout *	mParentLayout

KDChart::TextArea Class Reference

Detailed Description

Signals

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation