pcvt_kbd.h

freebsd v4.4内核源码

/*
 * Copyright (c) 1992, 1995 Hellmuth Michaelis and Joerg Wunsch.
 *
 * Copyright (c) 1992, 1993 Brian Dunford-Shore and Holger Veit.
 *
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * William Jolitz and Don Ahn.
 *
 * This code is derived from software contributed to 386BSD by
 * Holger Veit.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Hellmuth Michaelis,
 *	Brian Dunford-Shore and Joerg Wunsch.
 * 4. The name authors may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *
 * @(#)pcvt_kbd.h, 3.20, Last Edit-Date: [Sun Apr  2 18:59:08 1995]
 *
 */

/*---------------------------------------------------------------------------*
 *
 *	pcvt_kbd.h	VT220 Driver Keyboard Interface Header
 *	------------------------------------------------------
 *	-hm	split off from pcvt_kbd.c
 *	-hm	patch from Lon Willett to fix mapping of Control-R scancode
 *
 *---------------------------------------------------------------------------*/

/*---------------------------------------------------------------------------*
 *	this is one sub-entry for the table. the type can be either
 *	"pointer to a string" or "pointer to a function"
 *---------------------------------------------------------------------------*/
typedef struct
{
	u_char subtype;			/* subtype, string or function */
#ifdef PCVT_ALT_ENH
	u_short str_leng;		/* if string, stringlength */
#endif
	union what
	{
		u_char *string;		/* ptr to string, null terminated */
		void (*func)(void);	/* ptr to function */
	} what;
} entry;

/*---------------------------------------------------------------------------*
 *	this is the "outer" table
 *---------------------------------------------------------------------------*/
typedef struct
{
	u_short	type;			/* type of key */
	u_short	ovlindex;		/* -hv- index into overload table */
	entry 	unshift;		/* normal default codes/funcs */
	entry	shift;			/* shifted default codes/funcs */
	entry 	ctrl;			/* control default codes/funcs */
#ifdef PCVT_ALT_ENH
	entry 	alt;			/* normal default codes/funcs */
	entry	alt_shift;		/* shifted default codes/funcs */
	entry 	alt_ctrl;		/* control default codes/funcs */
	entry 	alt_ctrl_shift;		/* normal default codes/funcs */
#endif
} Keycap_def;

#define IDX0		0	/* default indexvalue into ovl table */

#define STR		KBD_SUBT_STR	/* subtype = ptr to string */
#define FNC		KBD_SUBT_FNC	/* subtype = ptr to function */

#define CODE_SIZE	5

/*---------------------------------------------------------------------------*
 * the overlaytable table is a static fixed size scratchpad where all the
 * overloaded definitions are stored.
 * an entry consists of a short (holding the new type attribute) and
 * four entries for a new keydefinition.
 *---------------------------------------------------------------------------*/

#define OVLTBL_SIZE	64		/* 64 keys can be overloaded */

#define Ovl_tbl struct kbd_ovlkey

static Ovl_tbl *ovltbl;			/* the table itself */

static ovlinitflag = 0;			/* the init flag for the table */

/*
 * key codes >= 128 denote "virtual" shift/control
 * They are resolved before any keymapping is handled
 */

#if PCVT_SCANSET == 2
static u_char scantokey[] = {
/*      -0- -1- -2- -3- -4- -5- -6- -7-    This layout is valid for US only */
/*00*/   0,120,  0,116,114,112,113,123,  /* ??  F9  ??  F5  F3  F1  F2  F12 */
/*08*/   0,121,119,117,115, 16,  1,  0,  /* ??  F10 F8  F6  F4  TAB `   ??  */
/*10*/   0, 60, 44,  0, 58, 17,  2,  0,  /* ??  ALl SHl ??  CTl Q   1   ??  */
/*18*/   0,  0, 46, 32, 31, 18,  3,  0,  /* ??  Z   S   A   W   2   ??  ??  */
/*20*/   0, 48, 47, 33, 19,  5,  4,  0,  /* ??  C   X   D   E   4   3   ??  */
/*28*/   0, 61, 49, 34, 21, 20,  6,  0,  /* ??  SP  V   F   T   R   5   ??  */
/*30*/   0, 51, 50, 36, 35, 22,  7,  0,  /* ??  N   B   H   G   Y   6   ??  */
/*38*/   0,  0, 52, 37, 23,  8,  9,  0,  /* ??  ??  M   J   U   7   8   ??  */
/*40*/   0, 53, 38, 24, 25, 11, 10,  0,  /* ??  ,   K   I   O   0   9   ??  */
/*48*/   0, 54, 55, 39, 40, 26, 12,  0,  /* ??  .   /   L   ;   P   -   ??  */
/*50*/   0,  0, 41,  0, 27, 13,  0,  0,  /* ??  ??  "   ??  [   =   ??  ??  */
/*58*/  30, 57, 43, 28,  0, 29,  0,  0,  /* CAP SHr ENT ]   ??  \   ??  ??  */
/*60*/   0, 45,  0,  0,  0,  0, 15,  0,  /* ??  NL1 ??  ??  ??  ??  BS  ??  */
/*68*/   0, 93,  0, 92, 91,  0,  0,  0,  /* ??  KP1 ??  KP4 KP7 ??  ??  ??  */
/*70*/  99,104, 98, 97,102, 96,110, 90,  /* KP0 KP. KP2 KP5 KP6 KP8 ESC NUM */
/*78*/ 122,106,103,105,100,101,125,  0,  /* F11 KP+ KP3 KP- KP* KP9 LOC ??  */
/*80*/   0,  0,  0,118,127               /* ??  ??  ??  F7 SyRQ */
};

static u_char extscantokey[] = {
/*      -0- -1- -2- -3- -4- -5- -6- -7-    This layout is valid for US only */
/*00*/   0,120,  0,116,114,112,113,123,  /* ??  F9  ??  F5  F3  F1  F2  F12 */
/*08*/   0,121,119,117,115, 16,  1,  0,  /* ??  F10 F8  F6  F4  TAB `   ??  */
/*10*/   0, 62,128,  0, 64, 17,  2,  0,  /* ??  ALr vSh ??  CTr Q   1   ??  */
/*18*/   0,  0, 46, 32, 31, 18,  3,  0,  /* ??  Z   S   A   W   2   ??  ??  */
/*20*/   0, 48, 47, 33, 19,  5,  4,  0,  /* ??  C   X   D   E   4   3   ??  */
/*28*/   0, 61, 49, 34, 21, 20,  6,  0,  /* ??  SP  V   F   T   R   5   ??  */
/*30*/   0, 51, 50, 36, 35, 22,  7,  0,  /* ??  N   B   H   G   Y   6   ??  */
/*38*/   0,  0, 52, 37, 23,  8,  9,  0,  /* ??  ??  M   J   U   7   8   ??  */
/*40*/   0, 53, 38, 24, 25, 11, 10,  0,  /* ??  ,   K   I   O   0   9   ??  */
/*48*/   0, 54, 95, 39, 40, 26, 12,  0,  /* ??  .   KP/ L   ;   P   -   ??  */
/*50*/   0,  0, 41,  0, 27, 13,  0,  0,  /* ??  ??  "   ??  [   =   ??  ??  */
/*58*/  30, 57,108, 28,  0, 29,  0,  0,  /* CAP  SHr KPE ]   ??  \  ??  ??  */
/*60*/   0, 45,  0,  0,  0,  0, 15,  0,  /* ??  NL1 ??  ??  ??  ??  BS  ??  */
/*68*/   0, 81,  0, 79, 80,  0,  0,  0,  /* ??  END ??  LA  HOM ??  ??  ??  */
/*70*/  75, 76, 84, 97, 89, 83,110, 90,  /* INS DEL DA  KP5 RA  UA  ESC NUM */
/*78*/ 122,106, 86,105,124, 85,126,  0,  /* F11 KP+ PD  KP- PSc PU  Brk ??  */
/*80*/   0,  0,  0,118,127               /* ??  ??  ??  F7 SysRq */
};

#else	/* PCVT_SCANSET != 2 */

static u_char scantokey[] = {
/*       -0- -1- -2- -3- -4- -5- -6- -7-    This layout is valid for US only */
/*00*/    0,110,  2,  3,  4,  5,  6,  7,  /* ??  ESC 1   2   3   4   5   6   */
/*08*/    8,  9, 10, 11, 12, 13, 15, 16,  /* 7   8   9   0   -   =   BS  TAB */
/*10*/   17, 18, 19, 20, 21, 22, 23, 24,  /* Q   W   E   R   T   Y   U   I   */
/*18*/   25, 26, 27, 28, 43, 58, 31, 32,  /* O   P   [   ]   ENT CTl A   S   */
/*20*/   33, 34, 35, 36, 37, 38, 39, 40,  /* D   F   G   H   J   K   L   ;   */
/*28*/   41,  1, 44, 29, 46, 47, 48, 49,  /* '   `   SHl \   Z   X   C   V   */
/*30*/   50, 51, 52, 53, 54, 55, 57,100,  /* B   N   M   ,   .   /   SHr KP* */
/*38*/   60, 61, 30,112,113,114,115,116,  /* ALl SP  CAP F1  F2  F3  F4  F5  */
/*40*/  117,118,119,120,121, 90,125, 91,  /* F6  F7  F8  F9  F10 NUM LOC KP7 */
/*48*/   96,101,105, 92, 97,102,106, 93,  /* KP8 KP9 KP- KP4 KP5 KP6 KP+ KP1 */
/*50*/   98,103, 99,104,127,  0, 45,122,  /* KP2 KP3 KP0 KP. SyRq??  NL1 F11 */
/*58*/  123                               /* F12 */
};

static u_char extscantokey[] = {
/*       -0- -1- -2- -3- -4- -5- -6- -7-    This layout is valid for US only */
/*00*/    0,110,  2,  3,  4,  5,  6,  7,  /* ??  ESC 1   2   3   4   5   6   */
/*08*/    8,  9, 10, 11, 12, 13, 15, 16,  /* 7   8   9   0   -   =   BS  TAB */
/*10*/   17, 18, 19, 20, 21, 22, 23, 24,  /* Q   W   E   R   T   Y   U   I   */
/*18*/   25, 26, 27, 28,108, 64, 31, 32,  /* O   P   [   ]   KPE CTr A   S   */
/*20*/   33, 34, 35, 36, 37, 38, 39, 40,  /* D   F   G   H   J   K   L   ;   */
/*28*/   41,  1,128, 29, 46, 47, 48, 49,  /* '   `   vSh \   Z   X   C   V   */
/*30*/   50, 51, 52, 53, 54, 95, 57,124,  /* B   N   M   ,   .   KP/ SHr KP* */
/*38*/   62, 61, 30,112,113,114,115,116,  /* ALr SP  CAP F1  F2  F3  F4  F5  */
/*40*/  117,118,119,120,121, 90,126, 80,  /* F6  F7  F8  F9  F10 NUM Brk HOM */
/*48*/   83, 85,105, 79, 97, 89,106, 81,  /* UA  PU  KP- LA  KP5 RA  KP+ END */
/*50*/   84, 86, 75, 76,  0,  0, 45,122,  /* DA  PD  INS DEL ??  ??  NL1 F11 */
/*58*/  123,                              /* F12 */