lyx_mirror/src/LyXAction.h

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// -*- C++ -*-
/**
* \file LyXAction.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
* \author John Levon
*
* Full author contact details are available in file CREDITS.
*/
#ifndef LYXACTION_H
#define LYXACTION_H
#include "FuncCode.h"
#include <map>
#include <string>
namespace lyx {
class FuncRequest;
class LyXErr;
/**
* This class is a container for LyX actions. It associates a name to
* most of them and describes some of their properties.
*/
class LyXAction {
public:
/// category of an action, used in the Shortcuts dialog
enum func_type {
Hidden, //< Not listed for configuration
Edit, //< Cursor and mouse movement, copy/paste etc
Math, //< Mathematics
Buffer, //< Buffer and window related
Layout, //< Font, Layout and textclass related
System, //< Lyx preference, server etc
};
private:
/// information for an action
struct FuncInfo {
/// the action name
std::string name;
/// the func_attrib values set
unsigned int attrib;
/// the category of this func
func_type type;
};
public:
/// noncopyable
LyXAction(LyXAction const &);
void operator=(LyXAction const &);
/// type for map between a function name and its action
typedef std::map<std::string, FuncCode> func_map;
/// type for map between an action and its info
typedef std::map<FuncCode, FuncInfo> info_map;
/// possible "permissions" for an action
enum func_attrib {
Noop = 0, //< Nothing special about this func
ReadOnly = 1, //< Can be used in RO mode (perhaps this should change); no automatic markDirty
NoBuffer = 2, //< Can be used when there is no document open
Argument = 4, //< Requires argument
NoUpdate = 8, //< Does not (usually) require update
SingleParUpdate = 16 //< Usually only requires this par updated
};
LyXAction();
/**
* Returns an pseudoaction from a string
* If you include arguments in func_name, a new pseudoaction
* will be created if needed.
*/
FuncRequest lookupFunc(std::string const & func_name) const;
/// Return the name (and argument) associated with the given (pseudo) action
std::string const getActionName(FuncCode action) const;
func_type getActionType(FuncCode action) const;
/// True if the command has `flag' set
bool funcHasFlag(FuncCode action, func_attrib flag) const;
/// iterator across all real actions
typedef func_map::const_iterator const_func_iterator;
/// return an iterator to the start of all real actions
const_func_iterator func_begin() const;
/// return an iterator to the end of all real actions
const_func_iterator func_end() const;
private:
/// populate the action container with our actions
void init();
/// add the given action
void newFunc(FuncCode, std::string const & name, unsigned int attrib, func_type type);
/**
* This is a list of all the LyXFunc names with the
* coresponding action number. It is usually only used by the
* minibuffer or when assigning commands to keys during init.
*/
func_map lyx_func_map;
/**
* This is a mapping from action number to an object holding
* info about this action. f.ex. command name (string),
* command attributes (ro)
*/
info_map lyx_info_map;
};
LyXErr & operator<<(LyXErr &, FuncCode);
/// singleton instance
extern LyXAction lyxaction;
} // namespace lyx
#endif // LYXACTION_H