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91baeb2c55
- add ability to remove a Key from the sequence - add ability to modify a sequence without retyping it from scratch git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@25783 a592a061-630c-0410-9148-cb99ea01b6c8
128 lines
3.0 KiB
C++
128 lines
3.0 KiB
C++
// -*- C++ -*-
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/**
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* \file KeySequence.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 Jean-Marc Lasgouttes
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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 KEYSEQUENCE_H
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#define KEYSEQUENCE_H
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#include "frontends/KeyModifier.h"
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#include "frontends/KeySymbol.h"
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#include <string>
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#include <vector>
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namespace lyx {
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class KeyMap;
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class FuncRequest;
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/// Holds a key sequence and the current and standard keymaps
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class KeySequence {
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public:
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typedef std::vector<KeySymbol> Sequence;
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friend class KeyMap;
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KeySequence() : stdmap(0), curmap(0), deleted_(true) {}
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///
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KeySequence(KeyMap * std, KeyMap * cur)
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: stdmap(std), curmap(cur), 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 keysym the key to add
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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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FuncRequest const & addkey(KeySymbol const & keysym, KeyModifier mod,
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KeyModifier nmod = NoModifier);
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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, f.ex.
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* "Space", "a", "Return", ...
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* Prefixes are S-, C-, M- for shift, control, meta
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* Prefixes can also be ignored by using the Tilde "~"
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* f.ex.: "~S-Space".
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*/
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size_t parse(std::string const & s);
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enum outputFormat {
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Portable, //< use a more portable format
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ForGui, //< use platform specific translations and special characters
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BindFile //< the format used in lyx bind files
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};
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/**
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* Return the current sequence as a string.
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* @param format output format
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* @see parse()
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*/
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docstring const print(outputFormat format) 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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* @param forgui true if the string should use translations and
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* special characters.
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*/
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docstring const printOptions(bool forgui) const;
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/// Mark the sequence as deleted.
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void mark_deleted();
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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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/// remove last key in sequence
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void removeKey();
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bool deleted() const { return deleted_; }
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/// length of sequence
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size_t length() const { return sequence.size(); }
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/// Keymap to use if a new sequence is starting
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KeyMap * stdmap;
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/// Keymap to use for the next key
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KeyMap * curmap;
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private:
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/**
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* Array holding the current key sequence as KeySyms.
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* If sequence[length - 1] < 0xff it can be used as ISO8859 char
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*/
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Sequence sequence;
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typedef std::pair<KeyModifier, KeyModifier> ModifierPair;
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/// modifiers for keys in the sequence
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std::vector<ModifierPair> modifiers;
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/// is keysequence deleted ?
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bool deleted_;
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};
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} // namespace lyx
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#endif
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