QgsLayoutUndoObjectInterface Class Reference

Interface for layout objects which support undo/redo commands. More...

#include <qgslayoutundocommand.h>

Inheritance diagram for QgsLayoutUndoObjectInterface:

Public Member Functions
virtual	~QgsLayoutUndoObjectInterface ()=default
	Destructor for QgsLayoutUndoObjectInterface. More...
virtual QgsAbstractLayoutUndoCommand *	createCommand (const QString &text, int id=0, QUndoCommand *parent=nullptr)=0
	Creates a new layout undo command with the specified text and parent. More...

Detailed Description

Interface for layout objects which support undo/redo commands.

Since

QGIS 3.0

Definition at line 128 of file qgslayoutundocommand.h.

Constructor & Destructor Documentation

virtual QgsLayoutUndoObjectInterface::~QgsLayoutUndoObjectInterface ( )

virtualdefault

Destructor for QgsLayoutUndoObjectInterface.

Member Function Documentation

virtual QgsAbstractLayoutUndoCommand* QgsLayoutUndoObjectInterface::createCommand ( const QString &  text, int  id = 0, QUndoCommand *  parent = nullptr  )

pure virtual

Creates a new layout undo command with the specified text and parent.

The id argument can be used to specify an id number for the source event - this is used to determine whether QUndoCommand command compression can apply to the command.

Implemented in QgsLayout, QgsLayoutItem, QgsLayoutMultiFrame, QgsLayoutItemPage, and QgsLayoutSerializableObject.

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

• /build/qgis-3.4.15+24xenial/src/core/layout/qgslayoutundocommand.h