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139 lines
3.6 KiB
C++
139 lines
3.6 KiB
C++
// -*- C++ -*-
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/**
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* \file LyXAction.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Lars Gullik Bjønnes
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* \author John Levon
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef LYXACTION_H
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#define LYXACTION_H
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#include "FuncCode.h"
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#include <map>
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#include <string>
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namespace lyx {
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// current LFUN format
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static unsigned int const LFUN_FORMAT = 5; // spitz: 2.4.x changes
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class FuncRequest;
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class LyXErr;
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/**
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* This class is a container for LyX actions. It associates a name to
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* most of them and describes some of their properties.
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*/
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class LyXAction {
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public:
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/// category of an action, used in the Shortcuts dialog
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enum FuncType {
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Hidden, //< Not listed for configuration
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Edit, //< Cursor and mouse movement, copy/paste etc
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Math, //< Mathematics
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Buffer, //< Buffer and window related
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Layout, //< Font, Layout and textclass related
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System //< Lyx preference, server etc
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};
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private:
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/// information for an action
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struct FuncInfo {
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/// the action name
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std::string name;
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/// the FuncAttribs values set
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unsigned int attrib;
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/// the category of this func
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FuncType type;
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};
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/// type for map between a function name and its action
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typedef std::map<std::string, FuncCode> FuncMap;
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/// type for map between an action and its info
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typedef std::map<FuncCode, FuncInfo> InfoMap;
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public:
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/// possible "permissions" for an action
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enum FuncAttribs {
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Noop = 0, //< Nothing special about this func
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ReadOnly = 1, //< Can be used in RO mode (perhaps this should change)
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NoBuffer = 2, //< Can be used when there is no document open
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Argument = 4, //< Requires argument
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NoUpdate = 8, //< Does not (usually) require update
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SingleParUpdate = 16, //< Usually only requires this par updated
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AtPoint = 32, //< dispatch first to inset at cursor if there is one
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NoInternal = 64 //< Cannot be used for internal, non-document Buffers
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};
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LyXAction();
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/**
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* Creates a FuncRequest from a string of the form:
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* lyx-function [argument]
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* where the argument is optional and "lyx-function" is in the form you'd
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* enter it in the mini-buffer.
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*/
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FuncRequest lookupFunc(std::string const & func_name) const;
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/// Return the command name associated with the given action
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/// Thus: getActionName(LFUN_ERT_INSERT) --> "ert-insert".
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std::string const getActionName(FuncCode action) const;
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///
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FuncType getActionType(FuncCode action) const;
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/// True if the command has `flag' set
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bool funcHasFlag(FuncCode action, FuncAttribs flag) const;
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/// iterator across all LFUNs
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typedef FuncMap::const_iterator const_iterator;
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/// return an iterator to the start of the list of LFUNs
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const_iterator func_begin() const;
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/// return an iterator to one past the end of the list of LFUNs
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const_iterator func_end() const;
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private:
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/// noncopyable
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LyXAction(LyXAction const &);
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void operator=(LyXAction const &);
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/// populate the action container with our actions
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void init();
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/// add the given action
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void newFunc(FuncCode, std::string const & name, unsigned int attrib, FuncType type);
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/**
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* This maps LyX function names to function codes, e.g.:
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* lyx_func_map["ert-insert"] == LFUN_ERT_INSERT
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*/
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FuncMap lyx_func_map;
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/**
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* This maps function codes to objects holding info about the corresponding
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* action. E.g., if
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* FuncInfo const & ert = lyx_info_map[LFUN_ERT_INSERT];
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* then:
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* ert.name == "ert-insert"'
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* ert.attrib == Noop
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* ert.type == Edit
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*/
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InfoMap lyx_info_map;
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};
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LyXErr & operator<<(LyXErr &, FuncCode);
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/// singleton instance
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extern LyXAction lyxaction;
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} // namespace lyx
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#endif // LYXACTION_H
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