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Annotation of researchv9/X11/src/X.V11R1/lib/X/Xkeymap.h, revision 1.1

1.1     ! root        1: #include "copyright.h"
        !             2: 
        !             3: /* $Header: Xkeymap.h,v 11.4 87/09/11 08:00:42 toddb Exp $ */
        !             4: /* Copyright 1985, Massachusetts Institute of Technology */
        !             5: 
        !             6: #define X_KEYMAP_MAGIC 0373  /* magic number which must be first byte
        !             7:                                of a keymap file (was 0372 in V10) */
        !             8: 
        !             9: /* KeyMap: contains single-byte character bindings, or indications
        !            10:    that a keycode is actually bound in the extension or runtime table */
        !            11: 
        !            12: typedef short KeyMapEntry [8];
        !            13: typedef unsigned char KeyMapElt [16];
        !            14: 
        !            15: #define UNBOUND (unsigned char)'\377'
        !            16: #define EXTENSION_BOUND (unsigned char)'\376'
        !            17: #define RUNTIME_TABLE_BOUND (unsigned char)'\375'
        !            18: #define SingleCharBound(c) ((unsigned char)c < (unsigned char)'\375')
        !            19: 
        !            20: /* Extension: contains multiple-byte character bindings from
        !            21:    the keymap file.  Not modified at runtime.  */
        !            22: 
        !            23: typedef struct {
        !            24:     unsigned char keycode;
        !            25:     unsigned char metabits;
        !            26:     unsigned char length;
        !            27:     } ExtensionHeader;
        !            28: 
        !            29: #define ExtensionHeaderSize 3
        !            30:     /* since sizeof (ExtensionHeader) is 4 on some machines, e.g. Sun */
        !            31: 
        !            32: /* macro used to iterate through the extension */
        !            33: #define NextExtension(this) \
        !            34:   this = (ExtensionHeader *) ((char *)this + ExtensionHeaderSize + this->length)
        !            35: 
        !            36: /* Compose: contains bindings from sequence of single-byte chars to single- or 
        !            37:    multiple-byte character. */
        !            38: 
        !            39: typedef struct {
        !            40:     unsigned char source_length;
        !            41:     unsigned char result_length;    
        !            42:     } ComposeHeader;
        !            43: 
        !            44: #define ComposeHeaderSize 2
        !            45: 
        !            46: /* macro used to iterate through the compose sequences */
        !            47: #define NextCompose(this) \
        !            48:   this = (ComposeHeader *) ((char *)this + ComposeHeaderSize + \
        !            49:         this->source_length + this->result_length)
        !            50: 
        !            51: #define DontCareMetaBits 0377
        !            52:   /* appears in extension whenever the binding applies to all possible
        !            53:      combinations of shift/lock/meta/control keys */

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