GraphicsScene Class Reference

QGraphicsScene subclass with logging support and typed-item search helpers. More...

#include <graphicsscene.h>

Inheritance diagram for GraphicsScene:

Collaboration diagram for GraphicsScene:

Public Member Functions
	GraphicsScene (QObject *parent=nullptr)
	Construct with an optional parent object.
template<typename T >
QList< T >	findChildItems () const
	Return all scene items that dynamic_cast to type T.
template<typename T >
T	findFirstChildItem () const
	Return the first scene item that dynamic_cast to type T.

Detailed Description

QGraphicsScene subclass with logging support and typed-item search helpers.

GraphicsScene adds findChildItems<T>() and findFirstChildItem<T>() template helpers that search all items in the scene and return only those that dynamic_cast to the requested pointer type.

Definition at line 16 of file graphicsscene.h.

Constructor & Destructor Documentation

GraphicsScene()

GraphicsScene::GraphicsScene ( QObject *  parent = nullptr )

explicit

Construct with an optional parent object.

Parameters

parent

Optional QObject parent

Member Function Documentation

findChildItems()

template<typename T >

QList< T > GraphicsScene::findChildItems ( ) const

inline

Return all scene items that dynamic_cast to type T.

Template Parameters

T	Pointer type to search for (must derive from QGraphicsItem)

Returns

List of matching items cast to T

Definition at line 33 of file graphicsscene.h.

findFirstChildItem()

template<typename T >

T GraphicsScene::findFirstChildItem ( ) const

inline

Return the first scene item that dynamic_cast to type T.

Template Parameters

T	Pointer type to search for (must derive from QGraphicsItem)

Returns

First matching item cast to T, or nullptr if none found

Definition at line 51 of file graphicsscene.h.

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The documentation for this class was generated from the following file:

• include/Kanoop/gui/graphics/graphicsscene.h