Wt::WLayoutItemImpl Class Reference

An abstract base class for implementing layout managers. More...

#include <Wt/WLayoutItemImpl>

Inherited by Wt::Ext::LayoutItemImpl, and Wt::StdLayoutItemImpl.

Public Member Functions
virtual	~WLayoutItemImpl ()
	Destructor.
virtual void	updateAddItem (WLayoutItem *item)=0
	Adds a layout item. More...
virtual void	updateRemoveItem (WLayoutItem *item)=0
	Removes a layout item.
virtual void	update (WLayoutItem *item)=0
	Updates the layout.
virtual WWidget *	parentWidget () const =0
	Returns the widget for which this layout item participates in layout management.
virtual void	setHint (const std::string &name, const std::string &value)=0
	Provides a hint that can aid in layout strategy / algorithm.

Detailed Description

An abstract base class for implementing layout managers.

See also

WLayoutItem, WLayout

Member Function Documentation

virtual void Wt::WLayoutItemImpl::updateAddItem ( WLayoutItem *  item )

pure virtual

Adds a layout item.

The item already has an implementation set.