/*
** Haaf's Game Engine 1.5
** Copyright (C) 2003-2004, Relish Games
** hge.relishgames.com
**
** hgeGUI default controls header
*/


#ifndef HGEGUICTRLS_H
#define HGEGUICTRLS_H


#include "hge.h"
#include "hgesprite.h"
#include "hgefont.h"
#include "hgerect.h"
#include "hgegui.h"


#define hgeButtonGetState(gui,id)		((hgeGUIButton*)gui->GetCtrl(id))->GetState()
#define hgeButtonSetState(gui,id,b)		((hgeGUIButton*)gui->GetCtrl(id))->SetState(b)
#define hgeSliderGetValue(gui,id)		((hgeGUISlider*)gui->GetCtrl(id))->GetValue()
#define hgeSliderSetValue(gui,id,f)		((hgeGUISlider*)gui->GetCtrl(id))->SetValue(f)
#define hgeGetTextCtrl(gui,id)			((hgeGUIText*)gui->GetCtrl(id))
#define hgeGetListboxCtrl(gui,id)		((hgeGUIListbox*)gui->GetCtrl(id))


/*
** hgeGUIText
*/
class hgeGUIText : public hgeGUIObject
{
public:
	hgeGUIText(int id, float x, float y, float w, float h, hgeFont *fnt);

	void			SetMode(int _align);
	void			SetText(const char *_text);
	void			printf(const char *format, ...);
	void			SetColor(DWORD _col) { col=_col; }

	virtual void	Render();

private:
	hgeFont*		font;
	float			tx, ty;
	int				align;
	char			text[256];
	DWORD			col;
};


/*
** hgeGUIButton
*/
class hgeGUIButton : public hgeGUIObject
{
public:
	hgeGUIButton(int id, float x, float y, float w, float h, HTEXTURE tex, float tx, float ty);
	virtual			~hgeGUIButton();

	void			SetMode(bool _bTrigger) { bTrigger=_bTrigger; }
	void			SetState(bool _bPressed) { bPressed=_bPressed; }
	bool			GetState() const { return bPressed; }

	virtual void	Render();
	virtual bool	MouseLButton(bool bDown);

private:
	bool			bTrigger;
	bool			bPressed;
	bool			bOldState;
	hgeSprite		*sprUp, *sprDown;
};


/*
** hgeGUISlider
*/
#define HGESLIDER_BAR			0
#define HGESLIDER_BARRELATIVE	1
#define HGESLIDER_SLIDER		2

class hgeGUISlider : public hgeGUIObject
{
public:
	hgeGUISlider(int id, float x, float y, float w, float h, HTEXTURE tex, float tx, float ty, float sw, float sh, bool vertical=false);
	virtual			~hgeGUISlider();

	void			SetMode(float _fMin, float _fMax, int _mode) { fMin=_fMin; fMax=_fMax; mode=_mode; }
	void			SetValue(float _fVal);
	float			GetValue() const { return fVal; }

	virtual void	Render();
	virtual bool	MouseMove(float x, float y);
	virtual bool	MouseLButton(bool bDown);

private:
	bool			bPressed;
	bool			bVertical;
	int				mode;
	float			fMin, fMax, fVal;
	float			sl_w, sl_h;
	hgeSprite		*sprSlider;
};


/*
** hgeGUIListbox
*/
struct hgeGUIListboxItem
{
	char				text[64];
	hgeGUIListboxItem	*next;
};

class hgeGUIListbox : public hgeGUIObject
{
public:
	hgeGUIListbox(int id, float x, float y, float w, float h, hgeFont *fnt, DWORD tColor, DWORD thColor, DWORD hColor);
	virtual			~hgeGUIListbox();

	int				AddItem(char *item);
	void			DeleteItem(int n);
	int				GetSelectedItem() { return nSelectedItem; }
	void			SetSelectedItem(int n) { if(n>=0 && n<GetNumItems()) nSelectedItem=n; }
	int				GetTopItem() { return nTopItem; }
	void			SetTopItem(int n) { if(n>=0 && n<=GetNumItems()-GetNumRows()) nTopItem=n; }

	char			*GetItemText(int n);
	int				GetNumItems() { return nItems; }
	int				GetNumRows() { return int((rect.y2-rect.y1)/font->GetHeight()); }
	void			Clear();

	virtual void	Render();
	virtual bool	MouseMove(float x, float y) { mx=x; my=y; return false; }
	virtual bool	MouseLButton(bool bDown);
	virtual bool	MouseWheel(int nNotches);
	virtual bool	KeyClick(int key, int chr);

private:
	hgeSprite		*sprHighlight;
	hgeFont			*font;
	DWORD			textColor, texthilColor;

	int					nItems, nSelectedItem, nTopItem;
	float				mx, my;
	hgeGUIListboxItem	*pItems;
};


#endif