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8283e978f8
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3803 a592a061-630c-0410-9148-cb99ea01b6c8
110 lines
2.3 KiB
C++
110 lines
2.3 KiB
C++
// -*- C++ -*-
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/**
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* \file kbsequence.h
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* Copyright 2001 the LyX Team
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* Read the file COPYING
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*/
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#ifndef KBSEQUENCE_H
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#define KBSEQUENCE_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include <vector>
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#include "LString.h"
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class kb_keymap;
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/// Holds a key sequence and the current and standard keymaps
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class kb_sequence {
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public:
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friend class kb_keymap;
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///
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kb_sequence(kb_keymap * std, kb_keymap * cur)
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: stdmap(std), curmap(cur), length_(0), deleted_(false) {}
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/**
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* Add a key to the key sequence and look it up in the curmap
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* if the latter is defined.
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* @param mod modifier mask
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* @param nmod which modifiers to mask out for equality test
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* @return the action matching this key sequence or LFUN_UNKNOWN_ACTION
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*/
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int addkey(unsigned int key, unsigned int mod, unsigned int nmod = 0);
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/**
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* Add a sequence of keys from a string to the sequence
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* @return string::npos if OK, else error position in string
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*
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* Keys in the string must be separated with whitespace;
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* Use the keysym names used by XStringToKeysym
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* Prefixes are S-, C-, M- for shift, control, meta
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*/
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string::size_type parse(string const & s);
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/**
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* Return the current sequence as a string.
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* @see parse()
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*/
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string const print() const;
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/**
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* Return the current sequence and available options as
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* a string. No options are added if no curmap kb map exists.
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*/
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string const printOptions() const;
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/// Mark the sequence as deleted.
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void mark_deleted();
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/// Return the ISO value of the last keysym in sequence, or 0
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char getiso() const;
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/// Reset sequence to become "deleted"
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void reset();
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/// clear in full
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void clear();
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bool deleted() const {
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return deleted_;
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}
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/// length of sequence
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std::vector<unsigned int>::size_type length() const {
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return length_;
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}
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/// Keymap to use if a new sequence is starting
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kb_keymap * stdmap;
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/// Keymap to use for the next key
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kb_keymap * curmap;
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private:
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/// get the keysym of last in sequence
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unsigned int getsym() const;
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/**
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* Array holding the current key sequence.
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* If sequence[length-1] < 0xff it can be used as ISO8859 char
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*/
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std::vector<unsigned int> sequence;
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/// modifiers for keys in the sequence
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std::vector<unsigned int> modifiers;
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/// Current length of key sequence
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std::vector<unsigned int>::size_type length_;
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/// is keysequence deleted ?
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bool deleted_;
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};
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#endif
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