// -*- C++ -*-
-/* ======================================================================= *\
- File : kbmap.h, kbmap.h,v 1.3 1996/12/10 04:35:57 larsbj Exp
- Author : chb, 30.Oct.1995
- Docu : see kbmap.C
- Purpose: class definitions for XKeyEvent keymap handling
- \* ==================================================================== */
+/**
+ * \file kbsequence.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ *
+ * Full author contact details are available in file CREDITS.
+ */
#ifndef KBSEQUENCE_H
#define KBSEQUENCE_H
-#ifdef __GNUG__
-#pragma interface
-#endif
-
+#include "frontends/key_state.h"
+#include "frontends/LyXKeySym.h"
#include "LString.h"
-
-#define KB_PREALLOC 16
+#include <vector>
class kb_keymap;
/// Holds a key sequence and the current and standard keymaps
class kb_sequence {
public:
+ typedef std::vector<LyXKeySymPtr> KeySequence;
+
+ friend class kb_keymap;
+
///
- kb_sequence() {
- stdmap = curmap = 0;
- sequence = staticseq;
- modifiers = staticmod;
- length = 0;
- size = KB_PREALLOC;
+ kb_sequence(kb_keymap * std, kb_keymap * cur)
+ : stdmap(std), curmap(cur), deleted_(false) {}
+
+ /**
+ * Add a key to the key sequence and look it up in the curmap
+ * if the latter is defined.
+ * @param keysym the key to add
+ * @param mod modifier mask
+ * @param nmod which modifiers to mask out for equality test
+ * @return the action matching this key sequence or LFUN_UNKNOWN_ACTION
+ */
+ int addkey(LyXKeySymPtr keysym, key_modifier::state mod,
+ key_modifier::state nmod = key_modifier::none);
+
+ /**
+ * Add a sequence of keys from a string to the sequence
+ * @return string::npos if OK, else error position in string
+ *
+ * Keys in the string must be separated with whitespace;
+ * Use the keysym names used by XStringToKeysym, f.ex.
+ * "Space", "a", "Return", ...
+ * Prefixes are S-, C-, M- for shift, control, meta
+ * Prefixes can also be ignored by using the Tilde "~"
+ * f.ex.: "~S-Space".
+ */
+ string::size_type parse(string const & s);
+
+ /**
+ * Return the current sequence as a string.
+ * @see parse()
+ */
+ string const print() const;
+
+ /**
+ * Return the current sequence and available options as
+ * a string. No options are added if no curmap kb map exists.
+ */
+ string const printOptions() const;
+
+ /// Mark the sequence as deleted.
+ void mark_deleted();
+
+ /// Reset sequence to become "deleted"
+ void reset();
+
+ /// clear in full
+ void clear();
+
+ bool deleted() const {
+ return deleted_;
}
-
- ///
- ~kb_sequence() {
- if (sequence != staticseq) {
- delete sequence;
- delete modifiers;
- }
+
+ /// length of sequence
+ KeySequence::size_type length() const {
+ return sequence.size();
}
-
- /** Add a key to the key sequence and look it up in the curmap
- if the latter is defined. */
- int addkey(unsigned int key, unsigned int mod, unsigned int nmod = 0);
- ///
- int print(string & buf, bool when_defined = false) const;
-
- ///
- int printOptions(string & buf) const;
-
- /// Make length negative to mark the sequence as deleted
- void delseq();
-
- ///
- char getiso() const;
-
- ///
- unsigned int getsym() const;
-
- ///
- void reset();
-
- ///
- int parse(char const * s);
-
/// Keymap to use if a new sequence is starting
kb_keymap * stdmap;
-
+
/// Keymap to use for the next key
kb_keymap * curmap;
-
- /** Array holding the current key sequence.
- If sequence[length-1] < 0xff it can be used as ISO8859 char */
- unsigned int * sequence;
-
- ///
- unsigned int * modifiers;
-
- /// Current length of key sequence
- int length;
-
+
private:
- /// Static array preallocated for sequence
- unsigned int staticseq[KB_PREALLOC];
-
- ///
- unsigned int staticmod[KB_PREALLOC];
-
- /// Physically allocated storage size
- int size;
+ /**
+ * Array holding the current key sequence as KeySyms.
+ * If sequence[length - 1] < 0xff it can be used as ISO8859 char
+ */
+ KeySequence sequence;
+
+ typedef std::pair<key_modifier::state, key_modifier::state>
+ modifier_pair;
+
+ /// modifiers for keys in the sequence
+ std::vector<modifier_pair> modifiers;
+
+ /// is keysequence deleted ?
+ bool deleted_;
};
#endif