view layouter interface More...

#include <iviewlayouter.h>

Inheritance diagram for IViewLayouter:

Public Types
using	Children = CViewContainer::ViewList

Public Member Functions
virtual std::optional< ViewLayout >	calculateLayout (const CViewContainer &view, const Children &children, const CRect &newSize)=0
	calculate the layout of the view.

virtual bool	applyLayout (CViewContainer &view, const Children &children, const ViewLayout &layout)=0
	apply the previously calculated layout

Public Member Functions inherited from IReference
virtual void	forget ()=0
	decrease refcount and delete object if refcount == 0

virtual void	remember ()=0
	increase refcount

Detailed Description

view layouter interface

a view layouter is used to calculate and set the size and position of the child views in a view container.

Member Typedef Documentation

pure virtual

apply the previously calculated layout

Parameters

view	the view to apply the layout to
children	the children of the view
layout	the layout to apply

virtual std::optional< ViewLayout > calculateLayout	(	const CViewContainer &	view,
		const Children &	children,
		const CRect &	newSize )

pure virtual

calculate the layout of the view.

Note that the returned layout may have a different size than the newSize parameter when the layout is not possible with the given size.

Parameters

view	the view to calculate the layout for
children	the children of the view
newSize	the new size of the view

Returns: the calculated layout or std::nullopt if the layout could not be calculated

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