/* This is the curses-specific implementation of FrobTadsApplication.
 */
#ifndef FROBTADSAPPCURSES_H
#define FROBTADSAPPCURSES_H

#include "common.h"

#include "frobtadsapp.h"
#include "tadswindow.h"


class FrobTadsApplicationCurses: public FrobTadsApplication {
  private:
	// The window we use for I/O.
	FrobTadsWindow *fGameWindow;

	// Tads never tries to display a string that is longer than the
	// window's width.  We use this knowledge to optimize output
	// somewhat.  Instead of allocating and deallocating memory each
	// time we print a string (memory allocation is slow), we use
	// this small buffer instead and allocate memory only once when
	// a game window is created.
	chtype* fDispBuf;

  public:
	FrobTadsApplicationCurses( const FrobOptions& opts );
	~FrobTadsApplicationCurses();


	/* ============================================================
	 * Interface implementation.
	 * ============================================================
	 */
  protected:
	virtual void
	init();

	// We simply handle everything in init().
	virtual void
	resizeEvent()
	{ this->init(); }

  public:
	virtual void
	moveCursor( int line, int column )
	{ this->fGameWindow->moveCursor(line, column); }

	virtual void
	print( int line, int column, int attrs, const char* str )
	{
		int i;
		for (i = 0; str[i] != '\0'; ++i) this->fDispBuf[i] = str[i] | attrs;
		this->fDispBuf[i] = '\0';
		this->fGameWindow->printStr(line, column, this->fDispBuf);
	}

	virtual void
	flush()
	{ this->fGameWindow->flush(); }

	virtual void
	clear( int top, int left, int bottom, int right, int attrs );

	virtual void
	scrollRegionUp( int top, int left, int bottom, int right, int attrs );

	virtual void
	scrollRegionDown( int top, int left, int bottom, int right, int attrs );

	virtual int
	getRawChar( bool cursorVisible, int timeout );

	virtual void
	sleep( int ms )
	{ this->fGameWindow->flush(); napms(ms); }

	virtual int
	height() const
	{ return this->fGameWindow->height(); }

	virtual int
	width() const
	{ return this->fGameWindow->width(); }
};

#endif // FROBTADSAPPCURSES_H