#ifndef LAYOUT_H

#define LAYOUT_H



#include "common.h"



class CWidget;



/*

	Layouts make it possible to place widgets in different

	styles (vertical, horizontal).



	You need to create a layout and add widgets into it.



	Methods setSize and setPosition have limitations so

	given values should be reasonable.

*/



// TODO: fix recursiveResize, it doesn't work properly with some setups

//       for example: 1.fixed size, 2.non-fixed size, 3.fixed size, etc...

//       however, we don't use such layouts currently so this isn't

//       an issue at the moment



// Layout

class CLayout

{

public:

	CLayout(CWidget *parent = 0);



	~CLayout();



	// Add widget to layout

	void addWidget(CWidget *widget);



	// Remove widget from layout

	void removeWidget(CWidget *widget);



	// Get widget

	CWidget *widgetAt(uint index);



	// Show layout

	void show();

	

	// Hide layout

	void hide();



	// Update layout

	void update(int c);



	// Get widgets count

	int count();



	// Set size

	void setSize(uint width, uint height);



	// Set position

	void setPosition(uint x, uint y);



	// Get index of widget. Returns -1, if not found.

	int indexOf(CWidget *w);



	// Find first widget with custom id. Returns -1, if not found.

	int indexOf(int id);



	// Get widget at i.

	CWidget *at(uint i);



protected:

	virtual void recursiveResize(uint from, uint to, uint width, uint height, uint x, uint y);



	CWidget *_parent;



	CSize _size;

	CPoint _pos;



	vector<CWidget *> _widgets;



};



// Vertical layout

class CVBoxLayout : public CLayout

{

public:

	CVBoxLayout(CWidget *parent = 0);



protected:

	void recursiveResize(uint from, uint to, uint width, uint height, uint x, uint y); //fixme?

};



// Horizontal layout

class CHBoxLayout : public CLayout

{

public:

	CHBoxLayout(CWidget *parent = 0);



protected:

	void recursiveResize(uint from, uint to, uint width, uint height, uint x, uint y); //fixme

};



#endif