lyx_mirror/src/FuncStatus.h

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// -*- C++ -*-
/**
* \file FuncStatus.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Jean-Marc Lasgouttes
*
* Full author contact details are available in file CREDITS.
*/
#ifndef FUNC_STATUS_H
#define FUNC_STATUS_H
#include <string>
/// The status of a function.
class FuncStatus
{
private:
enum StatusCodes {
/// Command can be executed
OK = 0,
/// This command does not exist, possibly because it is not
/// compiled in (e.g. LFUN_THESAURUS) or the user mistyped
/// it in the minibuffer. UNKNOWN commands have no menu entry.
UNKNOWN = 1,
/// Command cannot be executed
DISABLED = 2,
/// Command is on (i. e. the menu item has a checkmark
/// and the toolbar icon is pushed).
/// Not all commands use this
ON = 4,
/// Command is off (i. e. the menu item has no checkmark
/// and the toolbar icon is not pushed).
/// Not all commands use this
OFF = 8
};
unsigned int v_;
std::string message_;
public:
///
FuncStatus();
///
void clear();
///
void operator|=(FuncStatus const & f);
///
void unknown(bool b);
///
bool unknown() const;
///
void enabled(bool b);
/// tells whether it can be invoked (otherwise it will be grayed-out).
bool enabled() const;
///
void setOnOff(bool b);
/// tells whether the menu item should have a check mark
/// (or the toolbar icon should be pushed).
bool onoff(bool b) const;
///
void message(std::string const & m);
///
std::string const & message() const;
};
#endif