#pragma once

#ifndef MAINSHELL_INCLUDED
#define MAINSHELL_INCLUDED

//#include "tcommon.h"
#include "menubar.h"
//#include "toolbar.h"
//#include "label.h"
//#include "panel.h"
// #include "tcli.h"

#undef DVAPI
#undef DVVAR
#ifdef TWIN_EXPORTS
#define DVAPI DV_EXPORT_API
#define DVVAR DV_EXPORT_VAR
#else
#define DVAPI DV_IMPORT_API
#define DVVAR DV_IMPORT_VAR
#endif

class TGenericCommandAction;

namespace TCli
{
class Usage;
}

class DVAPI TMainshell : public TWidget
{
protected:
	static TMainshell *theShell;
	virtual void create();

public:
#ifndef WIN32
	bool m_ending;
#endif

	static TMainshell *getMainshell()
	{
		return theShell;
	}
	static TMainshell *instance() { return theShell; }

	TMainshell(string name);

	virtual void init() {}
	virtual void atExit() {}

	virtual bool beforeShow() { return true; }
	virtual void close();
	virtual void closeWithoutQuestion();
	//void pushStatusMessage(string );
	//virtual void pushStatusMessage(std::wstring ) {}
	//virtual void popStatusMessage() {};

	//static void errorMessage(const string &str);
	//static bool questionMessage(const string &str);
	// static int multipleChoicesMessage(const string &str, vector<string> &choices);

	// brutto (ma veloce da implementare :-)
	// restituisce 0=yes, 1=no, 2=cancel
	//static int yesNoCancelMessage(const string &str);

	virtual TDimension getPreferredSize()
	{
		return TDimension(800, 600);
	}

	virtual bool isResizable() const { return true; }

	virtual int getMainIconId() { return 0; }			// ha senso solo su NT
	virtual int getSplashScreenBitmapId() { return 0; } // ha senso solo su NT

	//void setAccelerator(
	//    string acc,
	//    TGenericCommandAction *onKeyDown);

	void setAccelerator(string acc, string guiCommandName);
	string getAccelerator(string guiCommandName);

	virtual void forwardMessage(string msg) {}

	void contextHelp();
	virtual void onContextHelp(string reference) {}

	virtual string getAppId() const = 0;

	virtual void defineUsage(TCli::Usage &usage);
};

class DVAPI TKeyListener
{
	string m_keyName;

public:
	TKeyListener(string keyName);
	virtual ~TKeyListener();

	virtual void onKeyDown() = 0;
	virtual void onKeyUp(bool mouseEventReceived) = 0;
	virtual bool autoreatIsEnabled() { return false; }

	string getKeyName() const { return m_keyName; }
};

//-------------------------------------------------------------------

template <class T>
class TCommandKey : public TKeyListener
{
	typedef void (T::*Method)();
	T *m_target;
	Method m_method;

public:
	TCommandKey(string keyName, T *target, Method method)
		: TKeyListener(keyName), m_target(target), m_method(method) {}

	void onKeyDown()
	{
		(m_target->*m_method)();
	}
	void onKeyUp(bool mouseEventReceived) {}
};

DVAPI void enableShortcuts(bool on);

DVAPI void enableShortcuts(bool on);

DVAPI void enableShortcuts(bool on);

#endif