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Initial import of vim 4.2.

This is meant to replace nvi in the tree.  Vim, in general, works better,
provides more features, and does not suffer from the license problems
being imposed upon nvi.

On the other hand, vim lacks a non-visual ex mode, in addition to open mode.

This includes the GUI (X11) code, but doesn't try to compile it.

/*	$OpenBSD: term.h,v 1.1.1.1 1996/09/07 21:40:27 downsj Exp $	*/
/* vi:set ts=4 sw=4:
 *
 * VIM - Vi IMproved		by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 */

/*
 * This file contains the machine dependent escape sequences that the editor
 * needs to perform various operations. Some of the sequences here are
 * optional. Anything not available should be indicated by a null string. In
 * the case of insert/delete line sequences, the editor checks the capability
 * and works around the deficiency, if necessary.
 */

#ifdef SASC
/*
 * the SAS C compiler has a bug that makes typedefs being forgot sometimes
 */
typedef unsigned char char_u;
#endif

/*
 * Index of the termcap codes in the term_strings array.
 */
enum SpecialKeys
{
	KS_NAME = 0,		/* name of this terminal entry */
	KS_CE,		/* clear to end of line */
	KS_AL,		/* add new blank line */
	KS_CAL,		/* add number of blank lines */
	KS_DL,		/* delete line */
	KS_CDL,		/* delete number of lines */
	KS_CS,		/* scroll region */
	KS_CL,		/* clear screen */
	KS_CD,		/* clear to end of display */
	KS_DA,		/* text may be scrolled down from up */
	KS_DB,		/* text may be scrolled up from down */
	KS_VI,		/* cursor invisible */
	KS_VE,		/* cursor visible */
	KS_VS,		/* cursor very visible */
	KS_ME,		/* normal mode */
	KS_MR,		/* reverse mode */
	KS_MD,		/* bold mode */
	KS_SE,		/* normal mode */
	KS_SO,		/* standout mode */
	KS_CZH,		/* italic mode start */
	KS_CZR,		/* italic mode end */
	KS_UE,		/* exit underscore mode */
	KS_US,		/* underscore mode */
	KS_MS,		/* save to move cur in reverse mode */
	KS_CM,		/* cursor motion */
	KS_SR,		/* scroll reverse (backward) */
	KS_CRI,		/* cursor number of chars right */
	KS_VB,		/* visual bell */
	KS_KS,		/* put term in "keypad transmit" mode */
	KS_KE,		/* out of "keypad transmit" mode */
	KS_TI,		/* put terminal in termcap mode */
	KS_TE,		/* out of termcap mode */
	
	KS_CSC		/* cur is relative to scroll region */
};

#define KS_LAST		KS_CSC

/*
 * the terminal capabilities are stored in this array
 * IMPORTANT: When making changes, note the following:
 * - there should be an entry for each code in the builtin termcaps
 * - there should be an option for each code in option.c
 * - there should be code in term.c to obtain the value from the termcap
 */

extern char_u *(term_strings[]);	/* current terminal strings */

/*
 * strings used for terminal
 */
#define T_CE	(term_strings[KS_CE])	/* clear to end of line */
#define T_AL	(term_strings[KS_AL])	/* add new blank line */
#define T_CAL	(term_strings[KS_CAL])	/* add number of blank lines */
#define T_DL	(term_strings[KS_DL])	/* delete line */
#define T_CDL	(term_strings[KS_CDL])	/* delete number of lines */
#define T_CS	(term_strings[KS_CS])	/* scroll region */
#define T_CL	(term_strings[KS_CL])	/* clear screen */
#define T_CD	(term_strings[KS_CD])	/* clear to end of display */
#define T_DA	(term_strings[KS_DA])	/* text may be scrolled down from up */
#define T_DB	(term_strings[KS_DB])	/* text may be scrolled up from down */
#define T_VI	(term_strings[KS_VI])	/* cursor invisible */
#define T_VE	(term_strings[KS_VE])	/* cursor visible */
#define T_VS	(term_strings[KS_VS])	/* cursor very visible */
#define T_ME	(term_strings[KS_ME])	/* normal mode */
#define T_MR	(term_strings[KS_MR])	/* reverse mode */
#define T_MD	(term_strings[KS_MD])	/* bold mode */
#define T_SE	(term_strings[KS_SE])	/* normal mode */
#define T_SO	(term_strings[KS_SO])	/* standout mode */
#define T_CZH	(term_strings[KS_CZH])	/* italic mode start */
#define T_CZR	(term_strings[KS_CZR])	/* italic mode end */
#define T_UE	(term_strings[KS_UE])	/* exit underscore mode */
#define T_US	(term_strings[KS_US])	/* underscore mode */
#define T_MS	(term_strings[KS_MS])	/* save to move cur in reverse mode */
#define T_CM	(term_strings[KS_CM])	/* cursor motion */
#define T_SR	(term_strings[KS_SR])	/* scroll reverse (backward) */
#define T_CRI	(term_strings[KS_CRI])	/* cursor number of chars right */
#define T_VB	(term_strings[KS_VB])	/* visual bell */
#define T_KS	(term_strings[KS_KS])	/* put term in "keypad transmit" mode */
#define T_KE	(term_strings[KS_KE])	/* out of "keypad transmit" mode */
#define T_TI	(term_strings[KS_TI])	/* put terminal in termcap mode */
#define T_TE	(term_strings[KS_TE])	/* out of termcap mode */
#define T_CSC	(term_strings[KS_CSC])	/* cur is relative to scroll region */