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KChart::AbstractLayoutItem Class Referenceabstract

#include <KChartLayoutItems.h>

Inheritance diagram for KChart::AbstractLayoutItem:

Public Member Functions

 AbstractLayoutItem (Qt::Alignment itemAlignment=Qt::Alignment())
virtual void paint (QPainter *)=0
virtual void paintAll (QPainter &painter)
virtual void paintCtx (PaintContext *context)
QLayoutparentLayout ()
void removeFromParentLayout ()
void setParentLayout (QLayout *lay)
virtual void setParentWidget (QWidget *widget)
virtual void sizeHintChanged () const
- Public Member Functions inherited from QLayoutItem
 QLayoutItem (Qt::Alignment alignment)
Qt::Alignment alignment () const const
virtual QSizePolicy::ControlTypes controlTypes () const const
virtual Qt::Orientations expandingDirections () const const=0
virtual QRect geometry () const const=0
virtual bool hasHeightForWidth () const const
virtual int heightForWidth (int) const const
virtual void invalidate ()
virtual bool isEmpty () const const=0
virtual QLayoutlayout ()
virtual QSize maximumSize () const const=0
virtual int minimumHeightForWidth (int w) const const
virtual QSize minimumSize () const const=0
void setAlignment (Qt::Alignment alignment)
virtual void setGeometry (const QRect &r)=0
virtual QSize sizeHint () const const=0
virtual QSpacerItemspacerItem ()
virtual QWidgetwidget () const const

Protected Attributes


Detailed Description

Base class for all layout items of KChart.

Definition at line 38 of file KChartLayoutItems.h.

Constructor & Destructor Documentation

◆ AbstractLayoutItem()

KChart::AbstractLayoutItem::AbstractLayoutItem ( Qt::Alignment itemAlignment = Qt::Alignment())

Definition at line 41 of file KChartLayoutItems.h.

Member Function Documentation

◆ paint()

virtual void KChart::AbstractLayoutItem::paint ( QPainter * )
pure virtual

◆ paintAll()

void KChart::AbstractLayoutItem::paintAll ( QPainter & painter)

Default impl: just call paint.

Derived classes like KChart::AbstractArea are providing additional action here.

Reimplemented in KChart::TernaryAxis, KChart::AbstractArea, and KChart::TextArea.

Definition at line 40 of file KChartLayoutItems.cpp.

◆ paintCtx()

void KChart::AbstractLayoutItem::paintCtx ( PaintContext * context)

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

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

Definition at line 45 of file KChartLayoutItems.cpp.

◆ parentLayout()

QLayout * KChart::AbstractLayoutItem::parentLayout ( )

Definition at line 81 of file KChartLayoutItems.h.

◆ removeFromParentLayout()

void KChart::AbstractLayoutItem::removeFromParentLayout ( )

Definition at line 85 of file KChartLayoutItems.h.

◆ setParentLayout()

void KChart::AbstractLayoutItem::setParentLayout ( QLayout * lay)

Definition at line 77 of file KChartLayoutItems.h.

◆ setParentWidget()

void KChart::AbstractLayoutItem::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.

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

Definition at line 35 of file KChartLayoutItems.cpp.

◆ sizeHintChanged()

void KChart::AbstractLayoutItem::sizeHintChanged ( ) const

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

Definition at line 51 of file KChartLayoutItems.cpp.

Member Data Documentation

◆ mParent

QWidget* KChart::AbstractLayoutItem::mParent

Definition at line 95 of file KChartLayoutItems.h.

◆ mParentLayout

QLayout* KChart::AbstractLayoutItem::mParentLayout

Definition at line 96 of file KChartLayoutItems.h.

The documentation for this class was generated from the following files:
This file is part of the KDE documentation.
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