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menu.h
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menu.h
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/***************************************************************************
menu.h - description
-------------------
begin : Sun Aug 3 2003
copyright : (C) 2003 by upi
email : upi@apocalypse.rulez.org
***************************************************************************/
#ifndef MENU_H
#define MENU_H
#include <string>
#include <vector>
class MenuItem;
class EnumMenuItem;
class Menu
{
public:
Menu( const char* a_pcTitle );
~Menu();
MenuItem* AddMenuItem( const char* a_pcUtf8Text, SDLKey a_tShortcut = SDLK_UNKNOWN, int a_iCode = 0 );
EnumMenuItem* AddEnumMenuItem( const char* a_pcUtf8Text, int a_iInitialValue,
const char** a_ppcNames, const int* a_piValues, int a_iCode = 0 );
MenuItem* AddMenuItem( MenuItem* a_poItem );
void AddOkCancel( int a_iOkCode = 0 );
void ItemActivated( int a_iItemCode, MenuItem* a_poMenuItem );
void ItemChanged( int a_iItemCode, int a_iValue, MenuItem* a_poMenuItem );
int Run();
void Draw();
void Clear();
protected:
void FocusNext();
void FocusPrev();
void InvokeSubmenu( Menu* a_poSubmenu );
typedef std::vector<MenuItem*> ItemList;
typedef ItemList::iterator ItemIterator;
std::string m_sTitle;
ItemList m_oItems;
int m_iCurrentItem;
int m_iReturnCode;
bool m_bDone;
};
class MenuItem
{
public:
MenuItem( Menu* a_poMenu, const char* a_pcUtf8Text, int a_iCode = -1 );
virtual ~MenuItem();
virtual void Draw();
virtual void Clear();
virtual void Activate();
virtual void Increment() {};
virtual void Decrement() {};
virtual void SetText( const char* a_pcUtf8Text, bool a_bCenter );
virtual void SetPosition( const SDL_Rect& a_roPosition );
virtual void SetActive( bool a_bActive );
virtual void SetEnabled( bool a_bEnabled );
virtual bool GetEnabled() { return m_bEnabled; }
protected:
Menu* m_poMenu;
// appearance
std::string m_sUtf8Text;
SDL_Rect m_oPosition;
bool m_bCenter;
Uint32 m_iHighColor;
Uint32 m_iLowColor;
Uint32 m_iInactiveColor;
Uint32 m_iBackgroundColor;
// data content
int m_iCode;
bool m_bActive;
bool m_bEnabled;
};
class EnumMenuItem: public MenuItem
{
public:
EnumMenuItem( Menu* a_poMenu, int a_iInitialValue, const char* a_pcUtf8Text, int a_iCode = -1 );
virtual ~EnumMenuItem();
virtual void Draw();
virtual void Increment();
virtual void Decrement();
virtual void SetEnumValues( const char ** a_ppcNames, const int * a_piValues );
protected:
int m_iValue;
int m_iMax;
std::string m_sUtf8Title;
const char** m_ppcNames;
const int* m_piValues;
};
void DoMenu( bool a_bDrawBackground );
#endif

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