lyx_mirror/src/minibuffer.h

// -*- C++ -*-
#ifndef MINIBUFFER_H
#define MINIBUFFER_H

#include FORMS_H_LOCATION
#include "LString.h"
#include "gettext.h"
#include "frontends/Timeout.h"

#ifdef __GNUG__
#pragma interface
#endif

class LyXView;

#ifdef SIGC_CXX_NAMESPACES
using SigC::Object;
#endif

///
class MiniBuffer : public Object{
public:
	///
	MiniBuffer(LyXView * o,
		   FL_Coord x, FL_Coord y, FL_Coord h, FL_Coord w);

	///
	bool shows_no_match;

	///
	void setTimer(unsigned int a) {
		timer.setTimeout(a * 1000);
	}

	///
	void Set(string const & = string(),
		 string const & = string(),
		 string const & = string(),
		 unsigned int delay_secs = 6);
	/// 
	string const GetText() const { return text; }
	///
	void Init();
	///
	void PrepareForCommand();
	/** allows to store and reset the contents one time. Usefull
	  for status messages like "load font" (Matthias)
	  */
	void Store();
	///
	void Reset();
	///
	void Activate();
	///
	void Deactivate();
	///
	static void ExecutingCB(FL_OBJECT * ob, long);
	///
        static int  peek_event(FL_OBJECT *, int, FL_Coord, FL_Coord,
			       int, void *);
private:
	///
	LyXView * owner;
	///
	string text;
	///
	string text_stored;
	///
	FL_OBJECT * add(int, FL_Coord, FL_Coord, FL_Coord, FL_Coord);
	///
	Timeout timer;
	///
	FL_OBJECT * the_buffer;
	///
	string cur_cmd;
        ///
        enum{ MAX_HISTORY = 10 };
        ///
        mutable string history[MAX_HISTORY];
        ///
        mutable int history_idx;
	///
	mutable int history_cnt;
        ///
        void addHistory(string const & cmd) const { 
	        if (history_cnt == 0
		    || (history_cnt > 0
			&& cmd != history[(history_cnt - 1) % MAX_HISTORY])) {
		    history[history_cnt % MAX_HISTORY] = cmd;
		    ++history_cnt;
		}
	        history_idx = history_cnt;
	}
        ///
        string const getHistory() const {
		return history[history_idx % MAX_HISTORY];
	}
};
#endif