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- /* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved.
- *
- * ev_keymap.h
- * Defines the structure used for parsing keymappings. These structures
- * and definitions are used by event sources in the kernel and by
- * applications and utilities which manipulate keymaps.
- *
- * HISTORY
- * 02-Jun-1992 Mike Paquette at NeXT
- * Created.
- */
- #import <bsd/dev/ev_types.h> /* Kernel keymap, keyboard info */
-
- #define NX_NUMKEYCODES 128 /* Highest key code is 0x7f */
- #define NX_NUMSEQUENCES 128 /* Maximum possible number of sequences */
- #define NX_NUMMODIFIERS 16 /* Maximum number of modifier bits */
- #define NX_BYTE_CODES 0 /* If first short 0, all are bytes (else shorts) */
-
- #define NX_WHICHMODMASK 0x0f /* bits out of keyBits for bucky bits */
- #define NX_MODMASK 0x10 /* Bit out of keyBits indicates modifier bit */
- #define NX_CHARGENMASK 0x20 /* bit out of keyBits for char gen */
- #define NX_SPECIALKEYMASK 0x40 /* bit out of keyBits for specialty key */
- #define NX_KEYSTATEMASK 0x80 /* OBSOLETE - DO NOT USE IN NEW DESIGNS */
-
- /*
- * Special keys currently known to and understood by the system.
- * If new specialty keys are invented, extend this list as appropriate.
- * The presence of these keys in a particular implementation is not
- * guaranteed.
- */
- #define NX_NOSPECIALKEY 0xFFFF
- #define NX_KEYTYPE_SOUND_UP 0 /* Processed by kernel */
- #define NX_KEYTYPE_SOUND_DOWN 1 /* Processed by kernel */
- #define NX_KEYTYPE_BRIGHTNESS_UP 2 /* Processed by kernel */
- #define NX_KEYTYPE_BRIGHTNESS_DOWN 3 /* Processed by kernel */
- #define NX_KEYTYPE_CAPS_LOCK 4 /* Processed by kernel */
- #define NX_KEYTYPE_HELP 5
- #define NX_POWER_KEY 6
- #define NX_UP_ARROW_KEY 7
- #define NX_DOWN_ARROW_KEY 8
- #define NX_NUMSPECIALKEYS 9 /* Maximum number of special keys */
- // on the 68k, the power key is handled specially... we don't want it scanned
- #ifdef m68k
- #define NX_NUM_SCANNED_SPECIALKEYS 5 /* First 5 special keys are */
- /* actively scanned in kernel */
- #else
- #define NX_NUM_SCANNED_SPECIALKEYS 7 /* First 7 special keys are */
- /* actively scanned in kernel */
- #endif
-
- /* Modifier key indices into modDefs[] */
- #define NX_MODIFIERKEY_ALPHALOCK 0
- #define NX_MODIFIERKEY_SHIFT 1
- #define NX_MODIFIERKEY_CONTROL 2
- #define NX_MODIFIERKEY_ALTERNATE 3
- #define NX_MODIFIERKEY_COMMAND 4
- #define NX_MODIFIERKEY_NUMERICPAD 5
- #define NX_MODIFIERKEY_HELP 6
-
- typedef struct _NXParsedKeyMapping_ {
- /* If nonzero, all numbers are shorts; if zero, all numbers are bytes*/
- short shorts;
-
- /*
- * For each keycode, low order bit says if the key
- * generates characters.
- * High order bit says if the key is assigned to a modifier bit.
- * The second to low order bit gives the current state of the key.
- */
- char keyBits[NX_NUMKEYCODES];
-
- /* Bit number of highest numbered modifier bit */
- int maxMod;
-
- /* Pointers to where the list of keys for each modifiers bit begins,
- * or NULL.
- */
- unsigned char *modDefs[NX_NUMMODIFIERS];
-
- /* Key code of highest key deinfed to generate characters */
- int numDefs;
-
- /* Pointer into the keyMapping where this key's definitions begin */
- unsigned char *keyDefs[NX_NUMKEYCODES];
-
- /* number of sequence definitions */
- int numSeqs;
-
- /* pointers to sequences */
- unsigned char *seqDefs[NX_NUMSEQUENCES];
-
- /* Special key definitions */
- int numSpecialKeys;
-
- /* Special key values, or 0xFFFF if none */
- unsigned short specialKeys[NX_NUMSPECIALKEYS];
-
- /* Pointer to the original keymapping string */
- unsigned char *mapping;
-
- /* Length of the original string */
- int mappingLen;
- } NXParsedKeyMapping;
-
-
-