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f1c24d1009
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4417 a592a061-630c-0410-9148-cb99ea01b6c8
100 lines
2.1 KiB
C++
100 lines
2.1 KiB
C++
// -*- C++ -*-
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/**
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* \file kbmap.h
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* Copyright 1995-2002 the LyX Team
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* Read the file COPYING
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*
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* \author Lars Gullik Bjønnes <larsbj@lyx.org>
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* \author John Levon <moz@compsoc.man.ac.uk>
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*/
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#ifndef KBMAP_H
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#define KBMAP_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "LString.h"
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#include "frontends/key_state.h"
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#include "frontends/LyXKeySym.h"
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#include <list>
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class kb_sequence;
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/// Defines key maps and actions for key sequences
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class kb_keymap {
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public:
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/**
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* Bind a key sequence to an action.
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* @return 0 on success, or position in string seq where error
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* occurs.
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* See kb_sequence::parse for the syntax of the seq string
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*/
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string::size_type bind(string const & seq, int action);
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/// print all available keysyms
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string const print() const;
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/**
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* Look up a key press in the keymap.
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* @param key the keysym
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* @param mod the modifiers
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* @param seq the current key sequence so far
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* @return the action / LFUN_PREFIX / LFUN_UNKNOWN_ACTION
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*/
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int lookup(LyXKeySymPtr key,
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key_modifier::state mod, kb_sequence * seq) const;
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/// Given an action, find all keybindings.
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string const findbinding(int action,
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string const & prefix = string()) const;
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/**
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* Returns a string of the given keysym, with modifiers.
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* @param key the key as a keysym
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* @param mod the modifiers
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*/
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static string const printKeysym(LyXKeySymPtr key,
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key_modifier::state mod);
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typedef std::pair<key_modifier::state, key_modifier::state> modifier_pair;
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private:
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///
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struct kb_key {
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/// Keysym
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LyXKeySymPtr code;
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/// Modifier masks
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modifier_pair mod;
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/// Keymap for prefix keys
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boost::shared_ptr<kb_keymap> table;
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/// Action for !prefix keys
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int action;
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};
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/**
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* Define an action for a key sequence.
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* @param r internal recursion level
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*/
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void defkey(kb_sequence * seq, int action, unsigned int r = 0);
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/// Returns a string of the given key
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string const printKey(kb_key const & key) const;
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/// is the table empty ?
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bool empty() const {
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return table.empty();
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}
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///
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typedef std::list<kb_key> Table;
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///
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Table table;
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};
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#endif // KBMAP_H
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