#include <KDChartAbstractAreaWidget.h>
Inheritance diagram for KDChart::AbstractAreaWidget:
AbstractAreaWidget is the base for all widget classes that have a set of background attributes and frame attributes, such as KDChart::Chart and KDChart::Legend.
Definition at line 51 of file KDChartAbstractAreaWidget.h.
Public Member Functions | |
| AbstractAreaWidget (QWidget *parent=0) | |
| void | alignToReferencePoint (const RelativePosition &position) |
| BackgroundAttributes | backgroundAttributes () const |
| bool | compare (const AbstractAreaBase *other) const |
| Returns true if both areas have the same settings. | |
| virtual void | forceRebuild () |
| Call this to trigger an unconditional re-building of the widget's internals. | |
| FrameAttributes | frameAttributes () const |
| void | getFrameLeadings (int &left, int &top, int &right, int &bottom) const |
| virtual void | needSizeHint () |
| Call this to trigger an conditional re-building of the widget's internals. | |
| virtual void | paint (QPainter *painter)=0 |
| Overwrite this to paint the inner contents of your widget. | |
| 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 | paintEvent (QPaintEvent *event) |
| Draws the background and frame, then calls paint(). | |
| virtual void | paintFrame (QPainter &painter, const QRect &rectangle) |
| virtual void | paintIntoRect (QPainter &painter, const QRect &rect) |
| Draws the background and frame, then calls paint(). | |
| virtual void | resizeLayout (const QSize &) |
| void | setBackgroundAttributes (const BackgroundAttributes &a) |
| void | setFrameAttributes (const FrameAttributes &a) |
Static Public Member Functions | |
| void | paintBackgroundAttributes (QPainter &painter, const QRect &rectangle, const KDChart::BackgroundAttributes &attributes) |
| void | paintFrameAttributes (QPainter &painter, const QRect &rectangle, const KDChart::FrameAttributes &attributes) |
Public Attributes | |
| Q_SIGNALS | __pad0__: void positionChanged( AbstractAreaWidget * ) |
Protected Member Functions | |
| virtual QRect | areaGeometry () const |
| QRect | innerRect () const |
| virtual void | positionHasChanged () |
| virtual | ~AbstractAreaWidget () |
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Definition at line 69 of file KDChartAbstractAreaWidget.cpp.
00070 : QWidget( parent ) 00071 , AbstractAreaBase( new Private() ) 00072 { 00073 init(); 00074 } |
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Definition at line 76 of file KDChartAbstractAreaWidget.cpp.
00077 {
00078 // this block left empty intentionally
00079 }
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Definition at line 90 of file KDChartAbstractAreaBase.cpp.
00091 {
00092 Q_UNUSED( position );
00093 // PENDING(kalle) FIXME
00094 qWarning( "Sorry, not implemented: void AbstractAreaBase::alignToReferencePoint( const RelativePosition& position )" );
00095 }
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Implements KDChart::AbstractAreaBase. Definition at line 186 of file KDChartAbstractAreaWidget.cpp.
00187 {
00188 return geometry();
00189 }
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Definition at line 112 of file KDChartAbstractAreaBase.cpp. References d. Referenced by updateCommonBrush().
00113 {
00114 return d->backgroundAttributes;
00115 }
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Returns true if both areas have the same settings.
Definition at line 75 of file KDChartAbstractAreaBase.cpp.
00076 {
00077 if( other == this ) return true;
00078 if( ! other ){
00079 //qDebug() << "CartesianAxis::compare() cannot compare to Null pointer";
00080 return false;
00081 }
00082 /*
00083 qDebug() << "AbstractAreaBase:" << (frameAttributes() == other->frameAttributes())
00084 << (backgroundAttributes() == other->backgroundAttributes()) << "\n";
00085 */
00086 return (frameAttributes() == other->frameAttributes()) &&
00087 (backgroundAttributes() == other->backgroundAttributes());
00088 }
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Call this to trigger an unconditional re-building of the widget's internals.
Reimplemented in KDChart::Legend. Definition at line 140 of file KDChartAbstractAreaWidget.cpp.
00141 {
00142 //bloc left empty intentionally
00143 }
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Definition at line 102 of file KDChartAbstractAreaBase.cpp. References d. Referenced by KDChart::Legend::clone(), and updateCommonBrush().
00103 {
00104 return d->frameAttributes;
00105 }
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Definition at line 204 of file KDChartAbstractAreaBase.cpp. References d. Referenced by KDChart::AbstractAreaBase::innerRect(), and paintAll().
00205 {
00206 if( d && d->frameAttributes.isVisible() ){
00207 const int padding = qMax( d->frameAttributes.padding(), 0 );
00208 left = padding;
00209 top = padding;
00210 right = padding;
00211 bottom = padding;
00212 }else{
00213 left = 0;
00214 top = 0;
00215 right = 0;
00216 bottom = 0;
00217 }
00218 }
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Definition at line 220 of file KDChartAbstractAreaBase.cpp. References KDChart::AbstractAreaBase::areaGeometry(), and KDChart::AbstractAreaBase::getFrameLeadings(). Referenced by KDChart::TextArea::paintAll(), and KDChart::AbstractArea::paintAll().
00221 {
00222 int left;
00223 int top;
00224 int right;
00225 int bottom;
00226 getFrameLeadings( left, top, right, bottom );
00227 return
00228 QRect( QPoint(0,0), areaGeometry().size() )
00229 .adjusted( left, top, -right, -bottom );
00230 }
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Call this to trigger an conditional re-building of the widget's internals. e.g. AbstractAreaWidget call this, before calling layout()->setGeometry() Reimplemented in KDChart::Legend. Definition at line 86 of file KDChartAbstractAreaWidget.cpp.
00087 {
00088 // this block left empty intentionally
00089 }
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Overwrite this to paint the inner contents of your widget.
Implemented in KDChart::Legend. Referenced by paintAll(). |
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Call paintAll, if you want the background and the frame to be drawn before the normal paint() is invoked automatically.
Definition at line 145 of file KDChartAbstractAreaWidget.cpp. References KDChart::AbstractAreaBase::getFrameLeadings(), paint(), KDChart::AbstractAreaBase::paintBackground(), and KDChart::AbstractAreaBase::paintFrame(). Referenced by paintEvent(), and paintIntoRect().
00146 {
00147 //qDebug() << "AbstractAreaWidget::paintAll() called";
00148
00149 // Paint the background and frame
00150 paintBackground( painter, QRect(QPoint(0, 0), size() ) );
00151 paintFrame( painter, QRect(QPoint(0, 0), size() ) );
00152
00153 /*
00154 we do not call setContentsMargins() now,
00155 but we call resizeLayout() whenever the size or the frame has changed
00156
00157 // adjust the widget's content margins,
00158 // to be sure all content gets calculated
00159 // to fit into the inner rectangle
00160 const QRect oldGeometry( areaGeometry() );
00161 const QRect inner( innerRect() );
00162 //qDebug() << "areaGeometry():" << oldGeometry
00163 // << " contentsRect():" << contentsRect() << " inner:" << inner;
00164 if( contentsRect() != inner ){
00165 //qDebug() << "old contentsRect():" << contentsRect() << " new innerRect:" << inner;
00166 setContentsMargins(
00167 inner.left(),
00168 inner.top(),
00169 oldGeometry.width() -inner.width()-1,
00170 oldGeometry.height()-inner.height()-1 );
00171 //forceRebuild();
00172 }
00173 */
00174 int left;
00175 int top;
00176 int right;
00177 int bottom;
00178 getFrameLeadings( left, top, right, bottom );
00179 const QPoint translation( left, top );
00180 painter.translate( translation );
00181 paint( &painter );
00182 painter.translate( -translation.x(), -translation.y() );
00183 //qDebug() << "AbstractAreaWidget::paintAll() done.";
00184 }
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Definition at line 188 of file KDChartAbstractAreaBase.cpp. References d, and KDChart::AbstractAreaBase::paintBackgroundAttributes(). Referenced by KDChart::TextArea::paintAll(), paintAll(), and KDChart::AbstractArea::paintAll().
00189 {
00190 Q_ASSERT_X ( d != 0, "AbstractAreaBase::paintBackground()",
00191 "Private class was not initialized!" );
00192 paintBackgroundAttributes( painter, rect, d->backgroundAttributes );
00193 }
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Definition at line 119 of file KDChartAbstractAreaBase.cpp. References KDChart::BackgroundAttributes::brush(), KDChart::BackgroundAttributes::isVisible(), KDChart::BackgroundAttributes::pixmap(), and KDChart::BackgroundAttributes::pixmapMode(). Referenced by KDChart::AbstractAreaBase::paintBackground().
00121 {
00122 if( !attributes.isVisible() ) return;
00123
00124 /* first draw the brush (may contain a pixmap)*/
00125 if( Qt::NoBrush != attributes.brush().style() ) {
00126 KDChart::PainterSaver painterSaver( &painter );
00127 painter.setPen( Qt::NoPen );
00128 const QPointF newTopLeft( painter.deviceMatrix().map( rect.topLeft() ) );
00129 painter.setBrushOrigin( newTopLeft );
00130 painter.setBrush( attributes.brush() );
00131 painter.drawRect( rect.adjusted( 0, 0, -1, -1 ) );
00132 }
00133 /* next draw the backPixmap over the brush */
00134 if( !attributes.pixmap().isNull() &&
00135 attributes.pixmapMode() != BackgroundAttributes::BackgroundPixmapModeNone ) {
00136 QPointF ol = rect.topLeft();
00137 if( BackgroundAttributes::BackgroundPixmapModeCentered == attributes.pixmapMode() )
00138 {
00139 ol.setX( rect.center().x() - attributes.pixmap().width() / 2 );
00140 ol.setY( rect.center().y() - attributes.pixmap().height()/ 2 );
00141 painter.drawPixmap( ol, attributes.pixmap() );
00142 } else {
00143 QMatrix m;
00144 double zW = (double)rect.width() / (double)attributes.pixmap().width();
00145 double zH = (double)rect.height() / (double)attributes.pixmap().height();
00146 switch( attributes.pixmapMode() ) {
00147 case BackgroundAttributes::BackgroundPixmapModeScaled:
00148 {
00149 double z;
00150 z = qMin( zW, zH );
00151 m.scale( z, z );
00152 }
00153 break;
00154 case BackgroundAttributes::BackgroundPixmapModeStretched:
00155 m.scale( zW, zH );
00156 break;
00157 default:
00158 ; // Cannot happen, previously checked
00159 }
00160 QPixmap pm = attributes.pixmap().transformed( m );
00161 ol.setX( rect.center().x() - pm.width() / 2 );
00162 ol.setY( rect.center().y() - pm.height()/ 2 );
00163 painter.drawPixmap( ol, pm );
00164 }
00165 }
00166 }
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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 paint() instead.
Definition at line 99 of file KDChartAbstractAreaWidget.cpp. References d, and paintAll().
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Definition at line 196 of file KDChartAbstractAreaBase.cpp. References d, and KDChart::AbstractAreaBase::paintFrameAttributes(). Referenced by KDChart::TextArea::paintAll(), paintAll(), and KDChart::AbstractArea::paintAll().
00197 {
00198 Q_ASSERT_X ( d != 0, "AbstractAreaBase::paintFrame()",
00199 "Private class was not initialized!" );
00200 paintFrameAttributes( painter, rect, d->frameAttributes );
00201 }
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Definition at line 169 of file KDChartAbstractAreaBase.cpp. References KDChart::FrameAttributes::isVisible(), and KDChart::FrameAttributes::pen(). Referenced by KDChart::AbstractAreaBase::paintFrame().
00171 {
00172
00173 if( !attributes.isVisible() ) return;
00174
00175 // Note: We set the brush to NoBrush explicitely here.
00176 // Otherwise we might get a filled rectangle, so any
00177 // previously drawn background would be overwritten by that area.
00178
00179 const QPen oldPen( painter.pen() );
00180 const QBrush oldBrush( painter.brush() );
00181 painter.setPen( attributes.pen() );
00182 painter.setBrush( Qt::NoBrush );
00183 painter.drawRect( rect.adjusted( 0, 0, -1, -1 ) );
00184 painter.setBrush( oldBrush );
00185 painter.setPen( oldPen );
00186 }
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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 paint() instead. Definition at line 109 of file KDChartAbstractAreaWidget.cpp. References d, and paintAll(). Referenced by KDChart::Chart::paint().
00110 {
00111 //qDebug() << "AbstractAreaWidget::paintIntoRect() called rect=" << rect;
00112
00113 if( rect.isEmpty() ) return;
00114
00115 d->resizeLayout( this, rect.size() );
00116
00117 const QPoint translation( rect.topLeft() );
00118 painter.translate( translation );
00119 paintAll( painter );
00120 painter.translate( -translation.x(), -translation.y() );
00121
00122 /*
00123 // make sure, the contents of the widget have been set up,
00124 // so we get a usefull geometry:
00125 needSizeHint();
00126
00127 const QRect oldGeometry( layout()->geometry() );
00128 const QRect newGeo( QPoint(0,0), rect.size() );
00129 const bool mustChangeGeo = layout() && oldGeometry != newGeo;
00130 if( mustChangeGeo )
00131 layout()->setGeometry( newGeo );
00132 painter.translate( rect.left(), rect.top() );
00133 paintAll( painter );
00134 painter.translate( -rect.left(), -rect.top() );
00135 if( mustChangeGeo )
00136 layout()->setGeometry( oldGeometry );
00137 */
00138 }
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Reimplemented from KDChart::AbstractAreaBase. Definition at line 191 of file KDChartAbstractAreaWidget.cpp.
00192 {
00193 emit positionChanged( this );
00194 }
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Reimplemented in KDChart::Legend. Definition at line 93 of file KDChartAbstractAreaWidget.cpp.
00094 {
00095 Q_UNUSED( size );
00096 // this block left empty intentionally
00097 }
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Definition at line 107 of file KDChartAbstractAreaBase.cpp. References d.
00108 {
00109 d->backgroundAttributes = a;
00110 }
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Definition at line 97 of file KDChartAbstractAreaBase.cpp. References d. Referenced by KDChart::Legend::clone().
00098 {
00099 d->frameAttributes = a;
00100 }
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Reimplemented in KDChart::Legend. Definition at line 121 of file KDChartAbstractAreaWidget.h. |
1.3.6