Author : chb, 30.Oct.1995
Docu : see kbmap.C
Purpose: class definitions for XKeyEvent keymap handling
- \* ======================================================================= */
+ \* ==================================================================== */
#ifndef KBMAP_H
#define KBMAP_H
#include "LString.h"
+#define NO_HASH 1
+
#define KB_PREALLOC 16
+#ifndef NO_HASH
#define KB_HASHSIZE 128 // yes, yes - I know. 128 is not exactly prime :-)
// ... but we are dealing with ASCII chars mostly.
-
+#endif
class kb_keymap;
class kb_sequence;
unsigned int mod;
/// Keymap for prefix keys
- kb_keymap *table;
+ kb_keymap * table;
/// Action for !prefix keys
int action;
/// Bind a key-sequence to an action
/** Returns 0 on success. Otherwise, position in string where
- error occured. */
- int bind(char const* seq, int action);
-
+ error occured. */
+ int bind(char const * seq, int action);
+
///
- int print(char* buf, int maxlen) const;
+ void print(string & buf) const;
/// Look up a key in the keymap
- int lookup(KeySym key, unsigned mod, kb_sequence *seq);
+ int lookup(KeySym key, unsigned mod, kb_sequence * seq);
/// Given an action, find all keybindings.
string findbinding(int action) const;
private:
/// Define a new key sequence
- int defkey(kb_sequence *seq, int action, int idx = 0);
+ int defkey(kb_sequence * seq, int action, int idx = 0);
/// Size of the table (<0: hashtab)
- int size;
+ int size;
/// Holds the defined keys
/** Both kinds of tables ends with NoSymbol */
+#ifndef NO_HASH
union
{
+#endif
/// Table for linear array
- kb_key *table;
-
+ kb_key * table;
+#ifndef NO_HASH
/// Hash table holding key lists
- kb_key **htable;
+ kb_key ** htable;
};
+#endif
};
///
~kb_sequence()
- {
- if (sequence != staticseq) {
- delete sequence;
- delete modifiers;
+ {
+ if (sequence != staticseq) {
+ delete sequence;
+ delete modifiers;
+ }
}
- }
/// Add a key to the key sequence and look it up in the curmap
/** Add a key to the key sequence and look it up in the curmap
- if the latter is defined. */
+ if the latter is defined. */
int addkey(KeySym key, unsigned mod, unsigned nmod = 0);
-
+
///
- int print(char *buf, int maxlen, bool when_defined = false) const; //RVDK_PATCH_5
+ int print(string & buf, bool when_defined = false) const;
///
- int printOptions(char *buf, int maxlen) const;
+ int printOptions(string & buf) const;
/// Make length negative to mark the sequence as deleted
void delseq();
void reset();
///
- int parse(char const *s);
+ int parse(char const * s);
/// Keymap to use if a new sequence is starting
- kb_keymap *stdmap;
+ kb_keymap * stdmap;
/// Keymap to use for the next key
- kb_keymap *curmap;
+ 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 * sequence;
///
- unsigned int *modifiers;
+ unsigned int * modifiers;
/// Current length of key sequence
int length;