/* vi:ts=4:sw=4
 *
 * VIM - Vi IMproved		by Bram Moolenaar
 *
 * Read the file "credits.txt" for a list of people who contributed.
 * Read the file "uganda.txt" for copying and usage conditions.
 */

/*
 * Contains the main routine for processing characters in command mode.
 * Communicates closely with the code in ops.c to handle the operators.
 */

#include "vim.h"
#include "globals.h"
#include "proto.h"
#include "param.h"
#ifdef KANJI
#include "kanji.h"
#endif

#undef EXTERN
#undef INIT
#define EXTERN
#define INIT(x) x
#include "ops.h"

/*
 * Generally speaking, every command in normal() should either clear any
 * pending operator (with CLEAROP), or set the motion type variable.
 */

#define CLEAROP (operator = NOP)		/* clear any pending operator */
#define CLEAROPBEEP 	clearopbeep()	/* CLEAROP plus a beep() */
#define CHECKCLEAROP	if (checkclearop()) break;
#define CHECKCLEAROPQ	if (checkclearopq()) break;

/*
 * If a count is given before the operator, it is saved in opnum.
 */
static linenr_t	opnum = 0;
static linenr_t	Prenum; 		/* The (optional) number before a command. */
int				redo_Visual_busy = FALSE;	/* TRUE when redo-ing a visual */

#ifdef KANJI
static void		prep_redo __ARGS((long, int, int, int, int));
#else
static void		prep_redo __ARGS((long, int, int, int));
#endif
static int		checkclearop __ARGS((void));
static int		checkclearopq __ARGS((void));
static void		clearopbeep __ARGS((void));
static void		premsg __ARGS((int, int));

extern int		restart_edit;	/* this is in edit.c */

/*
 * normal
 *
 * Execute a command in normal mode.
 *
 * This is basically a big switch with the cases arranged in rough categories
 * in the following order:
 *
 *	  0. Macros (q, @)
 *	  1. Screen positioning commands (^U, ^D, ^F, ^B, ^E, ^Y, z)
 *	  2. Control commands (:, <help>, ^L, ^G, ^^, ZZ, *, ^], ^T)
 *	  3. Cursor motions (G, H, M, L, l, K_RARROW,  , h, K_LARROW, ^H, k, K_UARROW, ^P, +, CR, LF, j, K_DARROW, ^N, _, |, B, b, W, w, E, e, $, ^, 0)
 *	  4. Searches (?, /, n, N, T, t, F, f, ,, ;, ], [, %, (, ), {, })
 *	  5. Edits (., u, K_UNDO, ^R, U, r, J, p, P, ^A, ^S)
 *	  6. Inserts (A, a, I, i, o, O, R)
 *	  7. Operators (~, d, c, y, >, <, !, =, Q)
 *	  8. Abbreviations (x, X, D, C, s, S, Y, &)
 *	  9. Marks (m, ', `, ^O, ^I)
 *	 10. Buffer setting (")
 *	 11. Visual (v, V, ^V)
 *   12. Suspend (^Z)
 *   13. Window commands (^W)
 *   14. extended commands (starting with 'g')
 */

	void
normal()
{
	register int	c;
	long 			n;
	int				flag = FALSE;
	int				flag2 = FALSE;
	int 			type = 0;				/* type of operation */
	int 			dir = FORWARD;			/* search direction */
	int				nchar = NUL;
#ifdef KANJI
	int				kchar = NUL;
#endif
	int				finish_op;
	linenr_t		Prenum1;
	char_u			searchbuff[CMDBUFFSIZE];/* buffer for search string */
	FPOS			*pos = NULL;			/* init for gcc */
	register char_u	*ptr;
	int				command_busy = FALSE;
	static int		didwarn = FALSE;		/* warned for broken inversion */
	int				modified = FALSE;		/* changed current buffer */
	int				ctrl_w = FALSE;			/* got CTRL-W command */

		/* the visual area is remembered for reselection */
	static linenr_t	resel_Visual_nlines;		/* number of lines */
	static int		resel_Visual_type = 0;	/* type 'v', 'V' or CTRL-V */
	static colnr_t	resel_Visual_col;		/* number of columns or end column */
		/* the visual area is remembered for redo */
	static linenr_t	redo_Visual_nlines;		/* number of lines */
	static int		redo_Visual_type = 0;	/* type 'v', 'V' or CTRL-V */
	static colnr_t	redo_Visual_col;		/* number of columns or end column */
	static long		redo_Visual_Prenum;		/* Prenum for operator */

#ifdef TRACK
	if (Track)
		showtrack();
#endif
	Prenum = 0;
	/*
	 * If there is an operator pending, then the command we take this time
	 * will terminate it. Finish_op tells us to finish the operation before
	 * returning this time (unless the operation was cancelled).
	 */
	finish_op = (operator != NOP);

	if (!finish_op && !yankbuffer)
		opnum = 0;

	if (p_sc && (vpeekc() == NUL || KeyTyped == TRUE))
		premsg(NUL, NUL);
	State = NORMAL_BUSY;
	c = vgetc();

getcount:
	/* Pick up any leading digits and compute 'Prenum' */
	while ((c >= '1' && c <= '9') || (Prenum != 0 && (c == DEL || c == '0')))
	{
		if (c == DEL)
				Prenum /= 10;
		else
				Prenum = Prenum * 10 + (c - '0');
		if (Prenum < 0)			/* got too large! */
			Prenum = 999999999;
		premsg(ctrl_w ? Ctrl('W') : ' ', NUL);
		c = vgetc();
	}

/*
 * If we got CTRL-W there may be a/another count
 */
	if (c == Ctrl('W') && !ctrl_w)
	{
		ctrl_w = TRUE;
		opnum = Prenum;						/* remember first count */
		Prenum = 0;
		State = ONLYKEY;					/* no mapping for nchar, but keys */
		premsg(c, NUL);
		c = vgetc();						/* get next character */
		goto getcount;						/* jump back */
	}

	/*
	 * If we're in the middle of an operator (including after entering a yank
	 * buffer with ") AND we had a count before the
	 * operator, then that count overrides the current value of Prenum. What
	 * this means effectively, is that commands like "3dw" get turned into
	 * "d3w" which makes things fall into place pretty neatly.
	 * If you give a count before AND after the operator, they are multiplied.
	 */
	if (opnum != 0)
	{
			if (Prenum)
				Prenum *= opnum;
			else
				Prenum = opnum;
			opnum = 0;
	}

	Prenum1 = (Prenum == 0 ? 1 : Prenum);		/* Prenum often defaults to 1 */
	premsg(c, NUL);

	/*
	 * get an additional character if we need one
	 * for CTRL-W we already got it when looking for a count
	 */
#ifdef FEPCTRL
	if (c >= 0x100 || ctrl_w)
		;	/* this key is special key. nothing to do. strchr is ascii only. */
	else if (strchr(p_fo, c))
	{
		FepOn = TRUE;
# if defined(CANNA) || defined(ONEW)
		if (c != ':' && c != '?' && c != '/')
			fep_visualmode(TRUE);
# endif
		if (curbuf->b_p_fc && curbuf->fepmode && !fep_get_mode())
			fep_force_on();
		switch (*curbuf->b_p_ji) {
		case 'j':
			if (!p_ja)
				break;
			/* no break */
		case 'J':
			if (!fep_get_mode())
				fep_force_on();
			break;
		case 'a':
			if (!p_ja)
				break;
			/* no break */
		case 'A':
			if (fep_get_mode())
				fep_force_off();
			break;
		default:
			break;
		}
	}
#endif
	if (ctrl_w)
	{
		nchar = c;
		c = Ctrl('W');
		premsg(c, nchar);
	}
#ifdef KANJI
	else if (c >= 0x100)
		;	/* this key is special key. nothing to do. strchr is ascii only. */
#endif
	else if (strchr("@zZtTfF[]mg'`\"", c) || (c == 'q' && !Recording && !Exec_reg) ||
										(c == 'r' && !VIsual.lnum))
	{
#ifdef KANJI
		State = NOMAPPING;
#  ifdef FEPCTRL
retry_input:
#  endif
		nchar = vgetc();		/* no macro mapping for this char */
#  ifdef FEPCTRL
		if (((0 <= nchar && nchar <= 0x20 && nchar != ESC) || nchar == K_ZERO)
				&& curbuf->b_p_fc
				&& (p_fk != NULL && STRRCHR(p_fk, nchar == K_ZERO ? '@' : nchar + '@') != NULL))
		{
			if (fep_get_mode())
				fep_force_off();
			else
				fep_force_on();
			goto retry_input;
		}
#  endif
		if (ISkanji(nchar))
			kchar = vgetc();
#else	/* KANJI */
		State = NOMAPPING;
		nchar = vgetc();		/* no macro mapping for this char */
#endif	/* KANJI */
		premsg(c, nchar);
	}
	if (p_sc)
		flushbuf();		/* flush the premsg() characters onto the screen so we can
							see them while the command is being executed */

/*
 * For commands that don't get another character we can put the State back to
 * NORMAL and check for a window size change.
 */
	if (STRCHR("z:/?", c) == NULL)
		State = NORMAL;
	if (nchar == ESC)
	{
		CLEAROP;
		goto normal_end;
	}
	switch (c)
	{

/*
 * 0: Macros
 */
	  case 'q': 		/* (stop) recording into a named register */
		CHECKCLEAROP;
						/* command is ignored while executing a register */
		if (!Exec_reg && dorecord(nchar) == FAIL)
			CLEAROPBEEP;
		break;

	 case '@':			/* execute a named buffer */
		CHECKCLEAROP;
		while (Prenum1--)
		{
			if (doexecbuf(nchar) == FAIL)
			{
				CLEAROPBEEP;
				break;
			}
		}
		break;

/*
 * 1: Screen positioning commands
 */
	  case Ctrl('D'):
		flag = TRUE;

	  case Ctrl('U'):
		CHECKCLEAROP;
		if (Prenum)
			curwin->w_p_scroll = (Prenum > curwin->w_height) ? curwin->w_height : Prenum;
		n = (curwin->w_p_scroll <= curwin->w_height) ? curwin->w_p_scroll : curwin->w_height;
		if (flag)
		{
				curwin->w_topline += n;
				if (curwin->w_topline > curbuf->b_ml.ml_line_count)
					curwin->w_topline = curbuf->b_ml.ml_line_count;
				comp_Botline(curwin);		/* compute curwin->w_botline */
				(void)onedown(n);
		}
		else
		{
				if (n >= curwin->w_cursor.lnum)
					n = curwin->w_cursor.lnum - 1;
				Prenum1 = curwin->w_cursor.lnum - n;
				scrolldown(n);
				if (Prenum1 < curwin->w_cursor.lnum)
					curwin->w_cursor.lnum = Prenum1;
		}
		beginline(TRUE);
		updateScreen(VALID);
		break;

	  case Ctrl('B'):
	  case K_SUARROW:
		dir = BACKWARD;

	  case Ctrl('F'):
	  case K_SDARROW:
		CHECKCLEAROP;
		(void)onepage(dir, Prenum1);
		break;

	  case Ctrl('E'):
		CHECKCLEAROP;
		scrollup(Prenum1);
				/* We may have moved to another line -- webb */
		coladvance(curwin->w_curswant);
		updateScreen(VALID);
		break;

	  case Ctrl('Y'):
		CHECKCLEAROP;
		scrolldown(Prenum1);
				/* We may have moved to another line -- webb */
		coladvance(curwin->w_curswant);
		updateScreen(VALID);
		break;

	  case 'z':
		CHECKCLEAROP;
		if (isdigit(nchar))
		{
			/*
			 * we misuse some variables to be able to call premsg()
			 */
			operator = c;
			opnum = Prenum;
			Prenum = nchar - '0';
			for (;;)
			{
				premsg(' ', NUL);
				nchar = vgetc();
				State = NORMAL;
				if (nchar == DEL)
					Prenum /= 10;
				else if (isdigit(nchar))
					Prenum = Prenum * 10 + (nchar - '0');
				else if (nchar == CR)
				{
					win_setheight((int)Prenum);
					break;
				}
				else
				{
					CLEAROPBEEP;
					break;
				}
			}
			operator = NOP;
			break;
		}

		if (Prenum && Prenum != curwin->w_cursor.lnum)	/* line number given */
		{
			setpcmark();
			if (Prenum > curbuf->b_ml.ml_line_count)
				curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
			else
				curwin->w_cursor.lnum = Prenum;
		}
		State = NORMAL;			/* for updateScreen() */
		switch (nchar)
		{
		  case NL:				/* put curwin->w_cursor at top of screen */
		  case CR:
			beginline(TRUE);
		  case 't':
			curwin->w_topline = curwin->w_cursor.lnum;
			break;

		  case '.': 			/* put curwin->w_cursor in middle of screen */
		  case 'z':
			n = (curwin->w_height + plines(curwin->w_cursor.lnum)) / 2;
			goto dozcmd;

		  case '-': 			/* put curwin->w_cursor at bottom of screen */
		  case 'b':
			n = curwin->w_height;
			/* FALLTHROUGH */

	dozcmd:
			{
				register linenr_t	lp = curwin->w_cursor.lnum;
				register long		l = plines(lp);

				do
				{
					curwin->w_topline = lp;
					if (--lp == 0)
						break;
					l += plines(lp);
				} while (l <= n);
			}
			if (nchar != 'z' && nchar != 'b')
				beginline(TRUE);
			break;

		  case Ctrl('S'):	/* ignore CTRL-S and CTRL-Q to avoid problems */
		  case Ctrl('Q'):	/* with terminals that use xon/xoff */
		  	break;

		  default:
			CLEAROPBEEP;
		}
		updateScreen(VALID);
		break;

/*
 *	  2: Control commands
 */
	  case ':':
	    if (VIsual.lnum)
			goto dooperator;
		CHECKCLEAROP;
		/*
		 * translate "count:" into ":.,.+(count - 1)"
		 */
		if (Prenum)
		{
			stuffReadbuff((char_u *)".");
			if (Prenum > 1)
			{
				stuffReadbuff((char_u *)",.+");
				stuffnumReadbuff((long)Prenum - 1L);
			}
		}
		docmdline(NULL);
		modified = TRUE;
		break;

	  case K_HELP:
		CHECKCLEAROP;
		help();
		break;

	  case Ctrl('L'):
		CHECKCLEAROP;
#ifdef NT
		wincmd_redraw();
#endif
		updateScreen(CLEAR);
		break;

	  case Ctrl('G'):
		CHECKCLEAROP;
		fileinfo(did_cd || Prenum);	/* print full name if count given or :cd used */
		break;

	  case K_CCIRCM:			/* CTRL-^, short for ":e #" */
		CHECKCLEAROPQ;
		(void)buflist_getfile((int)Prenum, (linenr_t)0, TRUE);
		break;

	  case 'Z': 		/* write, if changed, and exit */
		CHECKCLEAROPQ;
		if (nchar != 'Z')
		{
			CLEAROPBEEP;
			break;
		}
		stuffReadbuff((char_u *)":x\n");
		break;

	  case Ctrl(']'):			/* :ta to current identifier */
		CHECKCLEAROPQ;
	  case '*': 				/* / to current identifier or string */
	  case '#': 				/* ? to current identifier or string */
	  case 'K':					/* run program for current identifier */
		{
			register int 	col;
			register int	i;

			/*
			 * if i == 0: try to find an identifier
			 * if i == 1: try to find any string
			 */
			ptr = ml_get(curwin->w_cursor.lnum);
			for (i = 0;	i < 2; ++i)
			{
				/*
				 * skip to start of identifier/string
				 */
				col = curwin->w_cursor.col;
#ifdef KANJI
				while (ptr[col] != NUL
						&& (i == 0 ? !isidchar(ptr[col]) : iswhite(ptr[col]))
						&& !ISkanji(ptr[col]))
#else
				while (ptr[col] != NUL &&
							(i == 0 ? !isidchar(ptr[col]) : iswhite(ptr[col])))
#endif
					++col;

				/*
				 * Back up to start of identifier/string. This doesn't match the
				 * real vi but I like it a little better and it shouldn't bother
				 * anyone.
				 */
#ifdef KANJI
				if (ISkanji(ptr[col]))
				{
					int class;
					class = jpcls(ptr[col], ptr[col+1]);
					while (col > 0 && class == jpcls(ptr[col-2],ptr[col-1]))
						col -= 2;
				}
				else
				{
					while (col > 0
						&& ISkanjiPosition(ptr, col) == 0
						&& (i == 0 ? isidchar(ptr[col - 1]) :
								(!iswhite(ptr[col - 1]) && !isidchar(ptr[col - 1]))))
						--col;
				}
#else
				while (col > 0 && (i == 0 ? isidchar(ptr[col - 1]) :
							(!iswhite(ptr[col - 1]) && !isidchar(ptr[col - 1]))))
					--col;
#endif

				/*
				 * if identifier found or not '*' or '#' command, stop searching
				 */
				if (isidchar(ptr[col]) || (c != '*' && c != '#'))
					break;
			}
			/*
			 * did't find an identifier of string
			 */
#ifdef KANJI
			if (ptr[col] == NUL
					|| (!isidchar(ptr[col]) && !ISkanji(ptr[col]) && i == 0))
#else
			if (ptr[col] == NUL || (!isidchar(ptr[col]) && i == 0))
#endif
			{
				CLEAROPBEEP;
				break;
			}

			if (Prenum)
				stuffnumReadbuff(Prenum);
			switch (c)
			{
				case '*':
					stuffReadbuff((char_u *)"/");
					goto sow;

				case '#':
					stuffReadbuff((char_u *)"?");
sow:				if (i == 0)
						stuffReadbuff((char_u *)"\\<");
					break;

				case 'K':
					stuffReadbuff((char_u *)":! ");
					stuffReadbuff(p_kp);
					stuffReadbuff((char_u *)" ");
					break;
				default:
					stuffReadbuff((char_u *)":ta ");
			}

			/*
			 * Now grab the chars in the identifier
			 */
#ifdef KANJI
			if (ISkanji(ptr[col]))
			{
				int class;
				class = jpcls(ptr[col], ptr[col+1]);
				while (ptr[col] != NUL && class == jpcls(ptr[col],ptr[col+1]))
				{
					stuffcharReadbuff(ptr[col++]);
					stuffcharReadbuff(ptr[col++]);
				}
			}
			else
			{
# ifdef USE_TAGEX
				if (p_tagex && i == 0 && c == Ctrl(']') && col > 0)
				{
					if (ptr[col - 1] == '~')
						stuffcharReadbuff('~');
				}
# endif
				while (!ISkanji(ptr[col])
					&& (i == 0 ? isidchar(ptr[col]) :
								(ptr[col] != NUL && !iswhite(ptr[col]))))
				{
					stuffcharReadbuff(ptr[col]);
					++col;
				}
			}
#else
			while (i == 0 ? isidchar(ptr[col]) :
								(ptr[col] != NUL && !iswhite(ptr[col])))
			{
				stuffcharReadbuff(ptr[col]);
				++col;
			}
#endif
			if ((c == '*' || c == '#') && i == 0)
				stuffReadbuff((char_u *)"\\>");
			stuffReadbuff((char_u *)"\n");
		}
		break;

	  case Ctrl('T'):		/* backwards in tag stack */
			CHECKCLEAROPQ;
	  		dotag((char_u *)"", 2, (int)Prenum1);
			break;

/*
 * Cursor motions
 */
	  case 'G':
		mtype = MLINE;
		setpcmark();
		if (Prenum == 0 || Prenum > curbuf->b_ml.ml_line_count)
				curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
		else
				curwin->w_cursor.lnum = Prenum;
		beginline(TRUE);
		break;

	  case 'H':
	  case 'M':
		if (c == 'M')
				n = (curwin->w_height - curwin->w_empty_rows) / 2;
		else
				n = Prenum;
		mtype = MLINE;
		setpcmark();
		curwin->w_cursor.lnum = curwin->w_topline;
		while (n && onedown((long)1) == OK)
				--n;
		beginline(TRUE);
		break;

	  case 'L':
		mtype = MLINE;
		setpcmark();
		curwin->w_cursor.lnum = curwin->w_botline - 1;
		for (n = Prenum; n && oneup((long)1) == OK; n--)
				;
		beginline(TRUE);
		break;

	  case 'l':
	  case K_RARROW:
	  case ' ':
		mtype = MCHAR;
		mincl = FALSE;
		n = Prenum1;
		while (n--)
		{
#ifdef TRACK
			if (Track)
				track_right();
#endif
			if (oneright() == FAIL)
			{
					/* space wraps to next line if 'whichwrap' bit 1 set */
					/* 'l' wraps to next line if 'whichwrap' bit 2 set */
					/* CURS_RIGHT wraps to next line if 'whichwrap' bit 3 set */
				if (((c == ' ' && (p_ww & 2)) ||
					 (c == 'l' && (p_ww & 4)) ||
					 (c == K_RARROW && (p_ww & 8))) &&
					 	curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
				{
					++curwin->w_cursor.lnum;
					curwin->w_cursor.col = 0;
					curwin->w_set_curswant = TRUE;
					continue;
				}
				if (operator == NOP)
					beep();
				else
				{
					if (lineempty(curwin->w_cursor.lnum))
						CLEAROPBEEP;
					else
					{
						mincl = TRUE;
						if (n)
							beep();
					}
				}
				break;
			}
		}
		break;

	  case Ctrl('H'):
	  case 'h':
	  case K_LARROW:
	  case DEL:
		mtype = MCHAR;
		mincl = FALSE;
		n = Prenum1;
		while (n--)
		{
#ifdef TRACK
			if (Track)
				track_left();
#endif
			if (oneleft() == FAIL)
			{
					/* backspace and del wrap to previous line if 'whichwrap'
					 *											bit 0 set */
					/* 'h' wraps to previous line if 'whichwrap' bit 2 set */
					/* CURS_LEFT wraps to previous line if 'whichwrap' bit 3 set */
				if ((((c == Ctrl('H') || c == DEL) && (p_ww & 1)) ||
					 (c == 'h' && (p_ww & 4)) ||
					 (c == K_LARROW && (p_ww & 8))) &&
							curwin->w_cursor.lnum > 1)
				{
					--(curwin->w_cursor.lnum);
					coladvance(MAXCOL);
					curwin->w_set_curswant = TRUE;
					continue;
				}
				else if (operator != DELETE && operator != CHANGE)
					beep();
				else if (Prenum1 == 1)
					CLEAROPBEEP;
				break;
			}
		}
		break;

	  case '-':
		flag = TRUE;
		/* FALLTHROUGH */

	  case 'k':
	  case K_UARROW:
	  case Ctrl('P'):
#ifdef TRACK
		if (Track)
			track_up();
#endif
		mtype = MLINE;
		if (oneup(Prenum1) == FAIL)
			CLEAROPBEEP;
		else if (flag)
			beginline(TRUE);
		break;

	  case '+':
	  case CR:
		flag = TRUE;
		/* FALLTHROUGH */

	  case 'j':
	  case K_DARROW:
	  case Ctrl('N'):
	  case NL:
#ifdef TRACK
		if (Track)
			track_down();
#endif
		mtype = MLINE;
		if (onedown(Prenum1) == FAIL)
			CLEAROPBEEP;
		else if (flag)
			beginline(TRUE);
		break;

		/*
		 * This is a strange motion command that helps make operators more
		 * logical. It is actually implemented, but not documented in the
		 * real 'vi'. This motion command actually refers to "the current
		 * line". Commands like "dd" and "yy" are really an alternate form of
		 * "d_" and "y_". It does accept a count, so "d3_" works to delete 3
		 * lines.
		 */
	  case '_':
lineop:
		mtype = MLINE;
		if (onedown((long)(Prenum1 - 1)) == FAIL)
			CLEAROPBEEP;
		if (operator != YANK)			/* 'Y' does not move cursor */
			beginline(TRUE);
		break;

	  case '|':
		mtype = MCHAR;
		mincl = TRUE;
		beginline(FALSE);
		if (Prenum > 0)
			coladvance((colnr_t)(Prenum - 1));
		curwin->w_curswant = (colnr_t)(Prenum - 1);
			/* keep curswant at the column where we wanted to go, not where
				we ended; differs is line is too short */
		curwin->w_set_curswant = FALSE;
		break;

		/*
		 * Word Motions
		 */

	  case 'B':
		type = 1;
		/* FALLTHROUGH */

	  case 'b':
	  case K_SLARROW:
		mtype = MCHAR;
		mincl = FALSE;
		curwin->w_set_curswant = TRUE;
		if (bck_word(Prenum1, type))
			CLEAROPBEEP;
		break;

	  case 'E':
		type = 1;
		/* FALLTHROUGH */

	  case 'e':
		mincl = TRUE;
		goto dowrdcmd;

	  case 'W':
		type = 1;
		/* FALLTHROUGH */

	  case 'w':
	  case K_SRARROW:
		mincl = FALSE;
		flag = TRUE;
		/*
		 * This is a little strange. To match what the real vi does, we
		 * effectively map 'cw' to 'ce', and 'cW' to 'cE', provided that we are
		 * not on a space or a TAB. This seems
		 * impolite at first, but it's really more what we mean when we say
		 * 'cw'.
		 * Another strangeness: When standing on the end of a word "ce" will
		 * change until the end of the next wordt, but "cw" will change only
		 * one character! This is done by setting type to 2.
		 */
		if (operator == CHANGE && (n = gchar_cursor()) != ' ' && n != TAB &&
																n != NUL)
		{
			mincl = TRUE;
			flag = FALSE;
			flag2 = TRUE;
		}

dowrdcmd:
		mtype = MCHAR;
		curwin->w_set_curswant = TRUE;
		if (flag)
			n = fwd_word(Prenum1, type, operator != NOP);
		else
			n = end_word(Prenum1, type, flag2);
		if (n)
		{
			CLEAROPBEEP;
			break;
		}
#if 0
		/*
		 * If we do a 'dw' for the last word in a line, we only delete the rest
		 * of the line, not joining the two lines, unless the current line is empty.
		 */
		if (operator == DELETE && Prenum1 == 1 &&
				curbuf->b_startop.lnum != curwin->w_cursor.lnum && !lineempty(startop.lnum))
		{
				curwin->w_cursor = curbuf->b_startop;
				while (oneright() == OK)
					;
				mincl = TRUE;
		}
#endif
		break;

	  case '$':
		mtype = MCHAR;
		mincl = TRUE;
		curwin->w_curswant = MAXCOL;				/* so we stay at the end */
		if (onedown((long)(Prenum1 - 1)) == FAIL)
		{
			CLEAROPBEEP;
			break;
		}
		break;

	  case '^':
		flag = TRUE;
		/* FALLTHROUGH */

	  case '0':
		mtype = MCHAR;
		mincl = FALSE;
		beginline(flag);
		break;

/*
 * 4: Searches
 */
	  case '?':
	  case '/':
		if (!getcmdline(c, searchbuff))
		{
			CLEAROP;
			break;
		}
		mtype = MCHAR;
		mincl = FALSE;
		curwin->w_set_curswant = TRUE;

		n = dosearch(c, searchbuff, FALSE, Prenum1, TRUE, TRUE);
		if (n == 0)
			CLEAROP;
		else if (n == 2)
			mtype = MLINE;
		break;

	  case 'N':
		flag = 1;

	  case 'n':
		mtype = MCHAR;
		mincl = FALSE;
		curwin->w_set_curswant = TRUE;
		if (!dosearch(0, NULL, flag, Prenum1, TRUE, TRUE))
			CLEAROP;
		break;

		/*
		 * Character searches
		 */
	  case 'T':
		dir = BACKWARD;
		/* FALLTHROUGH */

	  case 't':
		type = 1;
		goto docsearch;

	  case 'F':
		dir = BACKWARD;
		/* FALLTHROUGH */

	  case 'f':
docsearch:
		mtype = MCHAR;
		if (dir == BACKWARD)
			mincl = FALSE;
		else
			mincl = TRUE;
		curwin->w_set_curswant = TRUE;
#ifdef KANJI
		if (!searchc(nchar, kchar, dir, type, Prenum1))
#else
		if (!searchc(nchar, dir, type, Prenum1))
#endif
			CLEAROPBEEP;
		break;

	  case ',':
		flag = 1;
		/* FALLTHROUGH */

	  case ';':
	    dir = flag;
	    goto docsearch;		/* nchar == NUL, thus repeat previous search */

		/*
		 * section or C function searches
		 */
	  case '[':
		dir = BACKWARD;
		/* FALLTHROUGH */

	  case ']':
		mtype = MCHAR;
		mincl = FALSE;

		/*
		 * "[f" or "]f" : Edit file under the cursor (same as "gf")
		 */
		if ((c == ']' || c == '[') && nchar == 'f')
			goto gotofile;

		/*
		 * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
		 */
		if ((c == '[' && (nchar == '{' || nchar == '(')) ||
		   ((c == ']' && (nchar == '}' || nchar == ')'))))
		{
			FPOS old_pos;

			old_pos = curwin->w_cursor;
			while (Prenum1--)
			{
				if ((pos = showmatch(nchar)) == NULL)
				{
					CLEAROPBEEP;
					break;
				}
				curwin->w_cursor = *pos;
			}
			curwin->w_cursor = old_pos;
			if (pos != NULL)
			{
				setpcmark();
				curwin->w_cursor = *pos;
				curwin->w_set_curswant = TRUE;
			}
			break;
		}

		/*
		 * "[[", "[]", "]]" and "][": move to start or end of function
		 */
		if (nchar == '[' || nchar == ']')
		{
			if (nchar == c)				/* "]]" or "[[" */
				flag = '{';
			else
				flag = '}';				/* "][" or "[]" */

			curwin->w_set_curswant = TRUE;
			/*
			 * Imitate strange vi behaviour: When using "]]" with an operator we
			 * also stop at '}'.
			 */
			if (!findpar(dir, Prenum1, flag,
							(operator != NOP && dir == FORWARD && flag == '{')))
				CLEAROPBEEP;
			break;
		}

		/*
		 * "[p" and "]p": put with indent adjustment
		 */
		if (nchar == 'p')
		{
			doput((c == ']') ? FORWARD : BACKWARD, Prenum1, TRUE);
			modified = TRUE;
			break;
		}

		/*
		 * end of '[' and ']': not a valid nchar
		 */
		CLEAROPBEEP;
		break;

	  case '%':
		mincl = TRUE;
	    if (Prenum)		/* {cnt}% : goto {cnt} percentage in file */
		{
			if (Prenum > 100)
				CLEAROPBEEP;
			else
			{
				mtype = MLINE;
				setpcmark();
						/* round up, so CTRL-G will give same value */
				curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count * Prenum + 99) / 100;
				beginline(TRUE);
			}
		}
		else			/* % : go to matching paren */
		{
			mtype = MCHAR;
			if ((pos = showmatch(NUL)) == NULL)
				CLEAROPBEEP;
			else
			{
				setpcmark();
				curwin->w_cursor = *pos;
				curwin->w_set_curswant = TRUE;
			}
		}
		break;

	  case '(':
		dir = BACKWARD;
		/* FALLTHROUGH */

	  case ')':
		mtype = MCHAR;
		if (c == ')')
			mincl = FALSE;
		else
			mincl = TRUE;
		curwin->w_set_curswant = TRUE;

		if (!findsent(dir, Prenum1))
			CLEAROPBEEP;
		break;

	  case '{':
		dir = BACKWARD;
		/* FALLTHROUGH */

	  case '}':
		mtype = MCHAR;
		mincl = FALSE;
		curwin->w_set_curswant = TRUE;
		if (!findpar(dir, Prenum1, NUL, FALSE))
			CLEAROPBEEP;
		break;

/*
 * 5: Edits
 */
	  case '.':
		CHECKCLEAROPQ;
		if (start_redo(Prenum) == FAIL)
			CLEAROPBEEP;
		modified = TRUE;
		break;

	  case 'u':
	    if (VIsual.lnum)
			goto dooperator;
	  case K_UNDO:
		CHECKCLEAROPQ;
		u_undo((int)Prenum1);
		curwin->w_set_curswant = TRUE;
		modified = TRUE;
		break;

	  case Ctrl('R'):
		CHECKCLEAROPQ;
	  	u_redo((int)Prenum1);
		curwin->w_set_curswant = TRUE;
		modified = TRUE;
		break;

	  case 'U':
	    if (VIsual.lnum)
			goto dooperator;
		CHECKCLEAROPQ;
		u_undoline();
		curwin->w_set_curswant = TRUE;
		modified = TRUE;
		break;

	  case 'r':
	    if (VIsual.lnum)
		{
			c = 'c';
			goto dooperator;
		}
		CHECKCLEAROPQ;
		ptr = ml_get_cursor();
		if (STRLEN(ptr) < (unsigned)Prenum1)	/* not enough characters to replace */
		{
			CLEAROPBEEP;
			break;
		}
		/*
		 * Replacing with a line break or tab is done by edit(), because it
         * is complicated.
		 * Other characters are done below to avoid problems with things like
		 * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
		 */
		if (nchar == '\r' || nchar == '\n' || nchar == '\t')
		{
#ifdef KANJI
			prep_redo(Prenum1, 'r', nchar, NUL, NUL);
#else
			prep_redo(Prenum1, 'r', nchar, NUL);
#endif
			stuffnumReadbuff(Prenum1);
			stuffcharReadbuff('R');
			stuffcharReadbuff(nchar);
			stuffcharReadbuff(ESC);
			break;
		}

		if (nchar == Ctrl('V'))				/* get another character */
		{
			c = Ctrl('V');
#ifdef KANJI
			nchar = get_literal(&type, &kchar);
#else
			nchar = get_literal(&type);
#endif
			if (type)						/* typeahead */
				stuffcharReadbuff(type);
		}
		else
			c = NUL;
#ifdef KANJI
		prep_redo(Prenum1, 'r', c, nchar, kchar);
#else
		prep_redo(Prenum1, 'r', c, nchar);
#endif
		if (!u_save_cursor())				/* save line for undo */
			break;
			/*
			 * Get ptr again, because u_save will have released the line.
			 * At the same time we let know that the line will be changed.
			 */
		ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE) + curwin->w_cursor.col;
#ifdef KANJI
		{									/* replace the characters */
			int		state = State;
			FPOS	pos;

			pos = curwin->w_cursor;
			State = REPLACE;
			while (Prenum1--)
				inschar(nchar, kchar);
			State = state;
			curwin->w_cursor = pos;
		}
#else
		curwin->w_cursor.col += Prenum1 - 1;
		while (Prenum1--)					/* replace the characters */
			*ptr++ = nchar;
#endif
		curwin->w_set_curswant = TRUE;
		CHANGED;
		updateline();
		modified = TRUE;
		break;

	  case 'J':
	    if (VIsual.lnum)		/* join the visual lines */
		{
			if (curwin->w_cursor.lnum > VIsual.lnum)
			{
				Prenum = curwin->w_cursor.lnum - VIsual.lnum + 1;
				curwin->w_cursor.lnum = VIsual.lnum;
			}
			else
				Prenum = VIsual.lnum - curwin->w_cursor.lnum + 1;
			VIsual.lnum = 0;
		}
		CHECKCLEAROP;
		if (Prenum <= 1)
			Prenum = 2; 			/* default for join is two lines! */
		if (curwin->w_cursor.lnum + Prenum - 1 > curbuf->b_ml.ml_line_count)	/* beyond last line */
		{
			CLEAROPBEEP;
			break;
		}

#ifdef KANJI
		prep_redo(Prenum, 'J', NUL, NUL, NUL);
#else
		prep_redo(Prenum, 'J', NUL, NUL);
#endif
		dodojoin(Prenum, TRUE, TRUE);
		modified = TRUE;
		break;

	  case 'P':
		dir = BACKWARD;
		/* FALLTHROUGH */

	  case 'p':
		CHECKCLEAROPQ;
#ifdef KANJI
		prep_redo(Prenum, c, NUL, NUL, NUL);
#else
		prep_redo(Prenum, c, NUL, NUL);
#endif
		doput(dir, Prenum1, FALSE);
		modified = TRUE;
		break;

	  case Ctrl('A'):			/* add to number */
	  case Ctrl('X'):			/* subtract from number */
		CHECKCLEAROPQ;
		if (doaddsub((int)c, Prenum1) == OK)
#ifdef KANJI
			prep_redo(Prenum1, c, NUL, NUL, NUL);
#else
			prep_redo(Prenum1, c, NUL, NUL);
#endif
		modified = TRUE;
		break;

/*
 * 6: Inserts
 */
	  case 'A':
		curwin->w_set_curswant = TRUE;
		while (oneright() == OK)
				;
		/* FALLTHROUGH */

	  case 'a':
		CHECKCLEAROPQ;
		/* Works just like an 'i'nsert on the next character. */
		if (u_save_cursor())
		{
			if (!lineempty(curwin->w_cursor.lnum))
				inc_cursor();
			startinsert(c, FALSE, Prenum1);
			modified = TRUE;
			command_busy = TRUE;
		}
		break;

	  case 'I':
		beginline(TRUE);
		/* FALLTHROUGH */

	  case 'i':
		CHECKCLEAROPQ;
		if (u_save_cursor())
		{
			startinsert(c, FALSE, Prenum1);
			modified = TRUE;
			command_busy = TRUE;
		}
		break;

	  case 'o':
	  	if (VIsual.lnum)	/* switch start and end of visual */
		{
			Prenum = VIsual.lnum;
			VIsual.lnum = curwin->w_cursor.lnum;
			curwin->w_cursor.lnum = Prenum;
			if (VIsual.col != VISUALLINE)
			{
				n = VIsual.col;
				VIsual.col = curwin->w_cursor.col;
				curwin->w_cursor.col = (int)n;
				curwin->w_set_curswant = TRUE;
			}
			break;
		}
		CHECKCLEAROP;
		if (u_save(curwin->w_cursor.lnum, (linenr_t)(curwin->w_cursor.lnum + 1)) &&
							Opencmd(FORWARD, TRUE, TRUE))
		{
			startinsert('o', TRUE, Prenum1);
			modified = TRUE;
			command_busy = TRUE;
		}
		break;

	  case 'O':
		CHECKCLEAROPQ;
		if (u_save((linenr_t)(curwin->w_cursor.lnum - 1), curwin->w_cursor.lnum) && Opencmd(BACKWARD, TRUE, TRUE))
		{
			startinsert('O', TRUE, Prenum1);
			modified = TRUE;
			command_busy = TRUE;
		}
		break;

	  case 'R':
	    if (VIsual.lnum)
		{
			c = 'c';
			VIsual.col = VISUALLINE;
			goto dooperator;
		}
		CHECKCLEAROPQ;
		if (u_save_cursor())
		{
			startinsert('R', FALSE, Prenum1);
			modified = TRUE;
			command_busy = TRUE;
		}
		break;

/*
 * 7: Operators
 */
	  case '~': 		/* swap case */
	  /*
	   * if tilde is not an operator and Visual is off: swap case
	   * of a single character
	   */
		if (!p_to && !VIsual.lnum)
		{
			CHECKCLEAROPQ;
			if (lineempty(curwin->w_cursor.lnum))
			{
				CLEAROPBEEP;
				break;
			}
#ifdef KANJI
			prep_redo(Prenum, '~', NUL, NUL, NUL);
#else
			prep_redo(Prenum, '~', NUL, NUL);
#endif

			if (!u_save_cursor())
				break;

			for (; Prenum1 > 0; --Prenum1)
			{
				if (gchar_cursor() == NUL)
					break;
				swapchar(&curwin->w_cursor);
				inc_cursor();
			}

			curwin->w_set_curswant = TRUE;
			CHANGED;
			updateline();
			modified = TRUE;
			break;
		}
		/*FALLTHROUGH*/

	  case 'd':
	  case 'c':
	  case 'y':
	  case '>':
	  case '<':
	  case '!':
	  case '=':
	  case 'Q':
dooperator:
		n = STRCHR(opchars, c) - opchars + 1;
		if (n == operator)		/* double operator works on lines */
			goto lineop;
		CHECKCLEAROP;
		if (Prenum != 0)
			opnum = Prenum;
		curbuf->b_startop = curwin->w_cursor;
		operator = (int)n;
		break;

/*
 * 8: Abbreviations
 */

	 /* when Visual the next commands are operators */
	  case 'S':
	  case 'Y':
	  case 'D':
	  case 'C':
	  case 'x':
	  case 'X':
	  case 's':
	  	if (VIsual.lnum)
		{
			static char_u trans[] = "ScYyDdCcxdXdsc";

			if (isupper(c) && !Visual_block)		/* uppercase means linewise */
				VIsual.col = VISUALLINE;
			c = *(STRCHR(trans, c) + 1);
			goto dooperator;
		}

	  case '&':
		CHECKCLEAROPQ;
		if (Prenum)
			stuffnumReadbuff(Prenum);

		if (c == 'Y' && p_ye)
			c = 'Z';
		{
				static char_u *(ar[9]) = {(char_u *)"dl", (char_u *)"dh", (char_u *)"d$", (char_u *)"c$", (char_u *)"cl", (char_u *)"cc", (char_u *)"yy", (char_u *)"y$", (char_u *)":s\r"};
				static char_u *str = (char_u *)"xXDCsSYZ&";

				stuffReadbuff(ar[(int)(STRCHR(str, c) - str)]);
		}
		break;

/*
 * 9: Marks
 */

	  case 'm':
		CHECKCLEAROP;
		if (setmark(nchar) == FAIL)
			CLEAROPBEEP;
		break;

	  case '\'':
		flag = TRUE;
		/* FALLTHROUGH */

	  case '`':
		pos = getmark(nchar, (operator == NOP));
		if (pos == (FPOS *)-1)	/* jumped to other file */
		{
			if (flag)
				beginline(TRUE);
			break;
		}

		if (pos != NULL)
			setpcmark();

cursormark:
		if (pos == NULL || pos->lnum == 0)
			CLEAROPBEEP;
		else
		{
			curwin->w_cursor = *pos;
			if (flag)
				beginline(TRUE);
#ifdef KANJI
			else if (ISkanjiCur() == 2)		/* kanji_align */
				curwin->w_cursor.col--;
#endif
		}
		mtype = flag ? MLINE : MCHAR;
		mincl = FALSE;		/* ignored if not MCHAR */
		curwin->w_set_curswant = TRUE;
		break;

	case Ctrl('O'):			/* goto older pcmark */
		Prenum1 = -Prenum1;
		/* FALLTHROUGH */

	case Ctrl('I'):			/* goto newer pcmark */
		CHECKCLEAROPQ;
		pos = movemark((int)Prenum1);
		if (pos == (FPOS *)-1)	/* jump to other file */
		{
			curwin->w_set_curswant = TRUE;
			break;
		}
		goto cursormark;

/*
 * 10. Buffer setting
 */
	  case '"':
		CHECKCLEAROP;
		if (nchar != NUL && is_yank_buffer(nchar, FALSE))
		{
			yankbuffer = nchar;
			opnum = Prenum;		/* remember count before '"' */
		}
		else
			CLEAROPBEEP;
		break;

/*
 * 11. Visual
 */
 	  case 'v':
	  case 'V':
	  case Ctrl('V'):
		CHECKCLEAROP;
		Visual_block = FALSE;

			/* stop Visual */
		if (VIsual.lnum)
		{
			VIsual.lnum = 0;
			updateScreen(NOT_VALID);		/* delete the inversion */
		}
			/* start Visual */
		else
		{
			if (!didwarn && set_highlight('v') == FAIL)/* cannot highlight */
			{
				EMSG("Warning: terminal cannot highlight");
				didwarn = TRUE;
			}
			if (Prenum)						/* use previously selected part */
			{
				if (!resel_Visual_type)		/* there is none */
				{
					beep();
					break;
				}
				VIsual = curwin->w_cursor;
				if (resel_Visual_nlines > 1)
					curwin->w_cursor.lnum += resel_Visual_nlines * Prenum - 1;
				switch (resel_Visual_type)
				{
				case 'V':	VIsual.col = VISUALLINE;
							break;

				case Ctrl('V'):
							Visual_block = TRUE;
							break;

				case 'v':		
							if (resel_Visual_nlines <= 1)
								curwin->w_cursor.col += resel_Visual_col * Prenum - 1;
							else
								curwin->w_cursor.col = resel_Visual_col;
#ifdef KANJI
							coladvance(curwin->w_curswant);
#endif
							break;
				}
				if (resel_Visual_col == MAXCOL)
				{
					curwin->w_curswant = MAXCOL;
					coladvance(MAXCOL);
				}
				else if (Visual_block)
					coladvance((colnr_t)(curwin->w_virtcol + resel_Visual_col * Prenum - 1));
				curs_columns(TRUE);			/* recompute w_virtcol */
				updateScreen(NOT_VALID);	/* show the inversion */
			}
			else
			{
				VIsual = curwin->w_cursor;
				if (c == 'V')				/* linewise */
					VIsual.col = VISUALLINE;
				else if (c == Ctrl('V'))	/* blockwise */
					Visual_block = TRUE;
				updateline();				/* start the inversion */
			}
		}
		break;

/*
 * 12. Suspend
 */

 	case Ctrl('Z'):
		CLEAROP;
		VIsual.lnum = 0;					/* stop Visual */
		stuffReadbuff((char_u *)":st\r");	/* with autowrite */
		break;

/*
 * 13. Window commands
 */

 	case Ctrl('W'):
		CHECKCLEAROP;
		do_window(nchar, Prenum);			/* everything is in window.c */
		break;

/*
 *   14. extended commands (starting with 'g')
 */
 	case 'g':
		switch (nchar)
		{
						/*
						 * "gf": goto file, edit file under cursor
						 * "]f" and "[f": can also be used.
						 */
			case 'f':
gotofile:
						ptr = file_name_at_cursor();
							/* do autowrite if necessary */
						if (curbuf->b_changed && curbuf->b_nwindows <= 1 && !p_hid)
							autowrite(curbuf);
						if (ptr != NULL)
						{
							setpcmark();
							stuffReadbuff((char_u *) ":e ");
							stuffReadbuff(ptr);
							stuffReadbuff((char_u *) "\n");
							free(ptr);
						}
						else
							CLEAROPBEEP;
						break;

						/*
						 * "gs": goto sleep
						 */
			case 's':	while (Prenum1-- && !got_int)
						{
							sleep(1);
							breakcheck();
						}
						break;

#ifdef TRACK
						/*
						 * "gx": track mode
						 */
			case 'x':	if (Track == TRUE)
						{
							MSG("");
							Track = FALSE;
						}
						else
						{
							showtrack();
							Track = TRUE;
						}
						break;

						/*
						 * "gp": track mode previous
						 */
			case 'p':	if (Track)
							curbuf->b_p_trs = tracktab_prev(curbuf->b_p_trs);
						break;

						/*
						 * "gn": track mode next
						 */
			case 'n':	if (Track)
							curbuf->b_p_trs = tracktab_next(curbuf->b_p_trs);
						break;
#endif
#ifdef NT
						/*
						 * "gX": delete
						 */
			case 'X':	wincmd_delete();
						break;

						/*
						 * "gC": cut
						 */
			case 'C':	wincmd_cut();
						break;

						/*
						 * "gV": paste
						 */
			case 'V':	wincmd_paste();
						break;
#endif
#ifndef notdef
						/*
						 * "gh": goto help
						 */
			case 'h':	help();
						break;

						/*
						 * "gg": jump grep file
						 */
			case 'g':	{
							char_u		*	name;
							char_u		*	line = NULL;
							char_u		*	p;
							char			sep = ':';
							char_u			linebuf[256];
							char_u			filebuf[MAXPATHL];

							ptr = name = ml_get(curwin->w_cursor.lnum);
							while (*ptr)
							{
								if (*ptr == '"')
								{
									ptr++;
									while (*ptr)
									{
										if (*ptr == '"')
											break;
										ptr++;
									}
									if (*ptr == NUL)	/* nothing found */
									{
										CLEAROPBEEP;
										goto error;
									}
								}
								else if (*ptr == sep)
								{
									p = &ptr[1];
									while (*p)
									{
										if ('0' <= *p && *p <= '9')
											;
										else if (*p == sep)
										{
											line = &ptr[1];
											ptr = p;
											break;
										}
										else
											break;
										p++;
									}
									if (line != NULL)
										break;
								}
								ptr++;
							}
							if (line == NULL)	/* nothing found */
							{
								CLEAROPBEEP;
								goto error;
							}
							setpcmark();
							STRNCPY(linebuf, line, ptr - line);
							linebuf[ptr - line] = NUL;
							STRNCPY(NameBuff, name, line - name - 1);
							NameBuff[line - name - 1] = NUL;
							if (NameBuff[0] != '"')
								STRCPY(filebuf, NameBuff);
							else
							{
								NameBuff[line - name - 2] = NUL;
								STRCPY(filebuf, &NameBuff[1]);
							}
							if (getperm(filebuf) == (-1) || atol(linebuf) == 0)
							{
								CLEAROPBEEP;
								goto error;
							}
# if 1
							{
								static WIN		*	swin = NULL;
								static char_u	*	sname = NULL;
								/* WIN			*	cwin = curwin; */
								WIN				*	wp = firstwin;

								while (wp != NULL)
								{
									if (wp == swin && strcmp(wp->w_buffer->b_sfilename, sname) == 0)
										break;
									wp = wp->w_next;
								}
								if (wp != NULL && strcmp(wp->w_buffer->b_sfilename, filebuf) == 0)
								{
									win_enter(wp, TRUE);
									curwin->w_cursor.lnum = atol(linebuf);
									beginline(TRUE);
									setcursor();
									updateScreen(CURSUPD);
								}
								else if (wp != NULL)
								{
									if (wp->w_buffer->b_changed && wp->w_buffer->b_nwindows <= 1)
										autowrite(wp->w_buffer);
									win_enter(wp, TRUE);
									if (wp->w_buffer->b_changed)
									{
										EMSG("No write since last change)");
										break;
									}
									(void)doecmd(filebuf, NULL, NULL, FALSE, atol(linebuf));
								}
								else
								{
									if (win_split(0L, FALSE) == FAIL)
										break;
									(void)doecmd(filebuf, NULL, NULL, FALSE, atol(linebuf));
								}
								swin = curwin;
								if (sname != NULL)
									free(sname);
								sname = strsave(filebuf);
								/* win_enter(cwin, TRUE); */
							}
# else
							if (curbuf->b_changed && curbuf->b_nwindows <= 1 && !p_hid)
								autowrite(curbuf);
							stuffReadbuff(":e +");
							stuffReadbuff(linebuf);
							stuffReadbuff(" ");
							stuffReadbuff(filebuf);
							stuffReadbuff((char_u *) "\n");
# endif
						}
error:
						break;
#endif
#if defined(NT) && defined(USE_EXFILE) && defined(USE_MATOME)
						/*
						 * "gu": gzip+uuencode and other filter
						 */
			case 'u':	if (VIsual.lnum)
						{
							linenr_t		line1;
							linenr_t		line2;

							curbuf->b_startop = VIsual;
							if (lt(curbuf->b_startop, curwin->w_cursor))
							{
								curbuf->b_endop = curwin->w_cursor;
								curwin->w_cursor = curbuf->b_startop;
							}
							else
							{
								curbuf->b_endop = curbuf->b_startop;
								curbuf->b_startop = curwin->w_cursor;
							}
							line1 = curbuf->b_startop.lnum;
							line2 = curbuf->b_endop.lnum;
							decode(FALSE, line1, line2);
							VIsual.lnum = 0;
							updateScreen(NOT_VALID);		/* delete the inversion */
						}
						break;
#endif
#ifndef notdef
						/*
						 * "gc": count charactor
						 */
			case 'c':	if (VIsual.lnum)
						{
							linenr_t		line;
							long			count = 0;

							curbuf->b_startop = VIsual;
							if (lt(curbuf->b_startop, curwin->w_cursor))
							{
								curbuf->b_endop = curwin->w_cursor;
								curwin->w_cursor = curbuf->b_startop;
							}
							else
							{
								curbuf->b_endop = curbuf->b_startop;
								curbuf->b_startop = curwin->w_cursor;
							}
							if (ISkanjiFpos(&curbuf->b_endop))
								curbuf->b_endop.col++;
							if (curbuf->b_startop.lnum == curbuf->b_endop.lnum
															&& mtype == MCHAR)
								count = curbuf->b_endop.col - curbuf->b_startop.col + 1;
							else
							{
								for (line = curbuf->b_startop.lnum;
										line <= curbuf->b_endop.lnum; line++)
								{
									if (mtype == MLINE)
										count += strlen(ml_get(line)) + (curbuf->b_p_tx ? 2 : 1);
									else if (line == curbuf->b_startop.lnum)
										count += strlen(ml_get(line)) - curbuf->b_startop.col + (curbuf->b_p_tx ? 2 : 1);
									else if (line == curbuf->b_endop.lnum)
										count += curbuf->b_endop.col + 1;
									else
										count += strlen(ml_get(line)) + (curbuf->b_p_tx ? 2 : 1);
								}
							}
							VIsual.lnum = 0;
							updateScreen(NOT_VALID);
							setcursor();
							updateScreen(CURSUPD);
							smsg((char_u *)"%ld character%s.", count, plural(count));
						}
						break;

						/*
						 * "gj": logical line down
						 */
			case 'j':	if (curwin->w_p_wrap)
						{
							int				vpos	= (curwin->w_curswant + (curwin->w_p_nu ? 8 : 0)) % Columns;
							int				vcol	= getvcol(curwin, &curwin->w_cursor, 99);
							int				tcol;
							FPOS			cursor;

							if (vcol % Columns != vpos)
								vcol = (vcol / Columns) * Columns + vpos;
							while (Prenum1)
							{
								cursor.lnum = curwin->w_cursor.lnum;
								cursor.col  = strlen(ml_get(curwin->w_cursor.lnum));
								tcol = getvcol(curwin, &cursor, 99);
								if (tcol <= (vcol + Columns))
								{
									Prenum1 --;
									if (tcol <= ((vcol / Columns) + 1) * Columns)
									{
										if (curwin->w_cursor.lnum
													< curwin->w_buffer->b_ml.ml_line_count)
										{
											curwin->w_cursor.lnum ++;
											curwin->w_cursor.col = 0;
											vcol = vpos;
										}
										else
											break;
									}
									else if ((tcol % Columns) <= vpos)
										vcol = tcol;
								}
								else
								{
									vcol += Columns;
									Prenum1 --;
								}
							}
							curwin->w_curswant = (vcol / Columns) * Columns + vpos - (curwin->w_p_nu ? 8 : 0);
							curwin->w_cursor.col = vcol2col(curwin, curwin->w_cursor.lnum, vcol, NULL, curwin->w_p_nu, Columns);
							curs_columns(TRUE);
						}
						else
							onedown(Prenum1);
						break;

						/*
						 * "gk": logical line up
						 */
			case 'k':	if (curwin->w_p_wrap)
						{
							int				vpos	= (curwin->w_curswant + (curwin->w_p_nu ? 8 : 0)) % Columns;
							int				vcol	= getvcol(curwin, &curwin->w_cursor, 99);
							FPOS			cursor;

							while (Prenum1)
							{
								if (vcol >= Columns)
									vcol = ((vcol / Columns) - 1) * Columns + vpos;
								else if (curwin->w_cursor.lnum > 1)
								{
									curwin->w_cursor.lnum--;
									curwin->w_cursor.col = strlen(ml_get(curwin->w_cursor.lnum));
									cursor = curwin->w_cursor;
									vcol = getvcol(curwin, &cursor, 99);
									if (vcol > Columns)
										vcol = (vcol / Columns) * Columns + vpos;
									else
										vcol = vpos;
								}
								else
									break;
								Prenum1--;
							}
							curwin->w_curswant = (vcol / Columns) * Columns + vpos - (curwin->w_p_nu ? 8 : 0);
							curwin->w_cursor.col = vcol2col(curwin, curwin->w_cursor.lnum, vcol, NULL, curwin->w_p_nu, Columns);
							curs_columns(TRUE);
						}
						else
							oneup(Prenum1);
						break;

						/*
						 * "g0": logical line top
						 */
			case '0':	if (curwin->w_p_wrap)
						{
							int				vcol	= getvcol(curwin, &curwin->w_cursor, 99);

							vcol = (vcol / Columns) * Columns;
							curwin->w_curswant = (vcol / Columns) * Columns - (curwin->w_p_nu ? 8 : 0);
							curwin->w_cursor.col = vcol2col(curwin, curwin->w_cursor.lnum, vcol, NULL, curwin->w_p_nu, Columns);
							curs_columns(TRUE);
						}
						else
						{
							mtype = MCHAR;
							mincl = FALSE;
							beginline(FALSE);
						}
						break;

						/*
						 * "g^": logical line top character
						 */
			case '^':	if (curwin->w_p_wrap)
						{
							int				vcol	= getvcol(curwin, &curwin->w_cursor, 99);
							char_u		*	p;

							vcol = (vcol / Columns) * Columns;
							curwin->w_curswant = (vcol / Columns) * Columns - (curwin->w_p_nu ? 8 : 0);
							curwin->w_cursor.col = vcol2col(curwin, curwin->w_cursor.lnum, vcol, NULL, curwin->w_p_nu, Columns);
							p = ml_get(curwin->w_cursor.lnum);
							while (p[curwin->w_cursor.col])
							{
								if (!isspace(p[curwin->w_cursor.col]))
									break;
								curwin->w_cursor.col++;
							}
							if (p[curwin->w_cursor.col] == NUL)
							{
								if (ISkanjiPosition(p, curwin->w_cursor.col) == 2)
									curwin->w_cursor.col--;
								curwin->w_cursor.col--;
							}
							curs_columns(TRUE);
						}
						else
						{
							mtype = MCHAR;
							mincl = FALSE;
							beginline(TRUE);
						}
						break;

						/*
						 * "g$": logical line bottom
						 */
			case '$':	if (curwin->w_p_wrap)
						{
							int				vcol	= getvcol(curwin, &curwin->w_cursor, 99);

							vcol = ((vcol / Columns) + 1) * Columns - 1;
							curwin->w_curswant = ((vcol / Columns) + 1) * Columns - (curwin->w_p_nu ? 8 : 0) - 1;
							curwin->w_cursor.col = vcol2col(curwin, curwin->w_cursor.lnum, vcol, NULL, curwin->w_p_nu, Columns);
							vcol = getvcol(curwin, &curwin->w_cursor, 99);
							curs_columns(TRUE);
						}
						else
						{
							mtype = MCHAR;
							mincl = TRUE;
							curwin->w_curswant = MAXCOL;
							onedown((long)(Prenum1 - 1));
						}
						break;
#endif

			default:	CLEAROPBEEP;
						break;
		}
		break;

/*
 * The end
 */
	  case ESC:
#ifdef TRACK
		if (Track)
		{
			Track = FALSE;				/* stop track mode */
			MSG("");
			break;
		}
#endif
	    if (VIsual.lnum)
		{
			VIsual.lnum = 0;			/* stop Visual */
			updateScreen(NOT_VALID);
			CLEAROP;					/* don't beep */
			break;
		}
		/* Don't drop through and beep if we are canceling a command: */
		else if (operator != NOP || opnum || Prenum || yankbuffer)
		{
			CLEAROP;					/* don't beep */
			break;
		}
		/* FALLTHROUGH */

	  default:					/* not a known command */
		CLEAROPBEEP;
		break;

	}	/* end of switch on command character */

/*
 * if we didn't start or finish an operator, reset yankbuffer, unless we
 * need it later.
 */
	if (!finish_op && !operator && strchr("\"DCYSsXx.", c) == NULL)
		yankbuffer = 0;

	/*
	 * If an operation is pending, handle it...
	 */
	if ((VIsual.lnum || finish_op) && operator != NOP)
	{
		if (operator != YANK && !VIsual.lnum)		/* can't redo yank */
		{
#ifdef KANJI
			prep_redo(Prenum, opchars[operator - 1], c, nchar, kchar);
#else
			prep_redo(Prenum, opchars[operator - 1], c, nchar);
#endif
			if (c == '/' || c == '?')				/* was a search */
			{
				AppendToRedobuff(searchbuff);
				AppendToRedobuff(NL_STR);
			}
		}

		if (redo_Visual_busy)
		{
			curbuf->b_startop = curwin->w_cursor;
			curwin->w_cursor.lnum += redo_Visual_nlines - 1;
			switch (redo_Visual_type)
			{
			case 'V':	VIsual.col = VISUALLINE;
						break;

			case Ctrl('V'):
						Visual_block = TRUE;
						break;

			case 'v':		
						if (redo_Visual_nlines <= 1)
							curwin->w_cursor.col += redo_Visual_col - 1;
						else
							curwin->w_cursor.col = redo_Visual_col;
						break;
			}
			if (redo_Visual_col == MAXCOL)
			{
				curwin->w_curswant = MAXCOL;
				coladvance(MAXCOL);
			}
			Prenum = redo_Visual_Prenum;
			if (Prenum == 0)
				Prenum1 = 1L;
			else
				Prenum1 = Prenum;
		}
		else if (VIsual.lnum)
			curbuf->b_startop = VIsual;

		if (lt(curbuf->b_startop, curwin->w_cursor))
		{
			curbuf->b_endop = curwin->w_cursor;
			curwin->w_cursor = curbuf->b_startop;
#ifndef notdef
			if (operator == YANK && VIsual.lnum && VIsual.col == VISUALLINE)
				curwin->w_cursor.col = 0;
#endif
		}
		else
		{
			curbuf->b_endop = curbuf->b_startop;
			curbuf->b_startop = curwin->w_cursor;
		}
		nlines = curbuf->b_endop.lnum - curbuf->b_startop.lnum + 1;

		if (VIsual.lnum || redo_Visual_busy)
		{
			if (Visual_block)				/* block mode */
			{
				startvcol = getvcol(curwin, &(curbuf->b_startop), 2);
				n = getvcol(curwin, &(curbuf->b_endop), 2);
				if (n < startvcol)
					startvcol = (colnr_t)n;

			/* if '$' was used, get endvcol from longest line */
				if (curwin->w_curswant == MAXCOL)
				{
					curwin->w_cursor.col = MAXCOL;
					endvcol = 0;
					for (curwin->w_cursor.lnum = curbuf->b_startop.lnum; curwin->w_cursor.lnum <= curbuf->b_endop.lnum; ++curwin->w_cursor.lnum)
						if ((n = getvcol(curwin, &curwin->w_cursor, 3)) > endvcol)
							endvcol = (colnr_t)n;
					curwin->w_cursor = curbuf->b_startop;
				}
				else if (redo_Visual_busy)
					endvcol = startvcol + redo_Visual_col - 1;
				else
				{
					endvcol = getvcol(curwin, &(curbuf->b_startop), 3);
					n = getvcol(curwin, &(curbuf->b_endop), 3);
					if (n > endvcol)
						endvcol = (colnr_t)n;
				}
				coladvance(startvcol);
			}

	/*
	 * prepare to reselect and redo Visual: this is based on the size
	 * of the Visual text
	 */
			if (Visual_block)
				resel_Visual_type = Ctrl('V');
			else if (VIsual.col == VISUALLINE)
				resel_Visual_type = 'V';
			else
				resel_Visual_type = 'v';
			if (curwin->w_curswant == MAXCOL)
				resel_Visual_col = MAXCOL;
			else if (Visual_block)
				resel_Visual_col = endvcol - startvcol + 1;
			else if (nlines > 1)
				resel_Visual_col = curbuf->b_endop.col;
			else
				resel_Visual_col = curbuf->b_endop.col - curbuf->b_startop.col + 1;
			resel_Visual_nlines = nlines;
			if (operator != YANK && operator != COLON)	/* can't redo yank and : */
			{
#ifdef KANJI
				prep_redo(0L, 'v', opchars[operator - 1], NUL, NUL);
#else
				prep_redo(0L, 'v', opchars[operator - 1], NUL);
#endif
				redo_Visual_type = resel_Visual_type;
				redo_Visual_col = resel_Visual_col;
				redo_Visual_nlines = resel_Visual_nlines;
				redo_Visual_Prenum = Prenum;
			}

			/*
			 * Mincl defaults to TRUE.
			 * If endop is on a NUL (empty line) mincl becomes FALSE
			 * This makes "d}P" and "v}dP" work the same.
			 */
			mincl = TRUE;
			if (VIsual.col == VISUALLINE)
				mtype = MLINE;
			else
			{
				mtype = MCHAR;
				if (*ml_get_pos(&(curbuf->b_endop)) == NUL)
					mincl = FALSE;
			}

			redo_Visual_busy = FALSE;
			/*
			 * Switch Visual off now, so screen updating does
			 * not show inverted text when the screen is redrawn.
			 * With YANK and sometimes with COLON and FILTER there is no screen
			 * redraw, so it is done here to remove the inverted part.
			 */
			VIsual.lnum = 0;
			if (operator == YANK || operator == COLON || operator == FILTER)
				updateScreen(NOT_VALID);
		}
		else if (operator == LSHIFT || operator == RSHIFT)
			Prenum1 = 1L;		/* if not visual mode: shift one indent */

		curwin->w_set_curswant = 1;

			/* no_op is set when start and end are the same */
		no_op = (mtype == MCHAR && !mincl && equal(curbuf->b_startop, curbuf->b_endop));
#ifdef KANJI
		if (mincl && curbuf->b_endop.col != VISUALLINE
										&& ISkanji(gchar(&curbuf->b_endop)))
		{
			mincl = FALSE;
			curbuf->b_endop.col += 2;
		}
#endif

	/*
	 * If the end of an operator is in column one while mtype is MCHAR and mincl
	 * is FALSE, we put endop after the last character in the previous line.
	 * If startop is on or before the first non-blank in the line, the operator
	 * becomes linewise (strange, but that's the way vi does it).
	 */
		if (mtype == MCHAR && mincl == FALSE && curbuf->b_endop.col == 0 && nlines > 1)
		{
			--nlines;
			--curbuf->b_endop.lnum;
			if (inindent())
				mtype = MLINE;
			else
			{
				curbuf->b_endop.col = STRLEN(ml_get(curbuf->b_endop.lnum));
				if (curbuf->b_endop.col)
				{
					--curbuf->b_endop.col;
					mincl = TRUE;
				}
			}
		}
		switch (operator)
		{
		  case LSHIFT:
		  case RSHIFT:
			doshift(operator, TRUE, (int)Prenum1);
			modified = TRUE;
			break;

		  case DELETE:
			if (!no_op)
			{
				dodelete();
				modified = TRUE;
			}
			break;

		  case YANK:
			if (!no_op)
				(void)doyank(FALSE);
			break;

		  case CHANGE:
			dochange();
			modified = TRUE;
			command_busy = TRUE;
			break;

		  case FILTER:
			bangredo = TRUE;			/* dobang() will put cmd in redo buffer */

		  case INDENT:
		  case COLON:
dofilter:
			sprintf((char *)IObuff, ":%ld,%ld", (long)curbuf->b_startop.lnum, (long)curbuf->b_endop.lnum);
			stuffReadbuff(IObuff);
			if (operator != COLON)
				stuffReadbuff((char_u *)"!");
			if (operator == INDENT)
			{
				stuffReadbuff(p_ep);
				stuffReadbuff((char_u *)"\n");
			}
			else if (operator == FORMAT)
			{
				stuffReadbuff(p_fp);
				stuffReadbuff((char_u *)"\n");
			}
				/*	docmdline() does the rest */
			break;

		  case TILDE:
		  case UPPER:
		  case LOWER:
			if (!no_op)
			{
				dotilde();
				modified = TRUE;
			}
			break;

		  case FORMAT:
			if (*p_fp != NUL)
				goto dofilter;		/* use external command */
			doformat();				/* use internal function */
			modified = TRUE;
			break;

		  default:
			CLEAROPBEEP;
		}
		operator = NOP;
		Visual_block = FALSE;
		yankbuffer = 0;
	}

normal_end:
	premsg(-1, NUL);

	if (restart_edit && operator == NOP && VIsual.lnum == 0 && !command_busy && stuff_empty() && yankbuffer == 0)
	{
		startinsert(restart_edit, FALSE, 1L);
		modified = TRUE;
	}
#ifdef FEPCTRL
	else if (curbuf->b_p_fc)
	{
		if (FepOn && !command_busy)
			curbuf->fepmode = fep_get_mode();
		if (fep_get_mode())
			fep_force_off();
	}
	FepOn = FALSE;
# if defined(CANNA) || defined(ONEW)
	fep_visualmode(FALSE);
# endif
#endif

	checkpcmark();			/* check if we moved since setting pcmark */

/*
 * TEMPORARY: update the other windows for the current buffer if modified
 */
	if (modified)
	{
		WIN		*wp;

        for (wp = firstwin; wp; wp = wp->w_next)
			if (wp != curwin && wp->w_buffer == curbuf)
			{
				cursor_off();
				wp->w_redr_type = NOT_VALID;
				win_update(wp);
			}
	}
}

	static void
#ifdef KANJI
prep_redo(num, cmd, c, nchar, kchar)
#else
prep_redo(num, cmd, c, nchar)
#endif
	long 	num;
	int		cmd;
	int		c;
	int		nchar;
#ifdef KANJI
	int		kchar;
#endif
{
	ResetRedobuff();
	if (yankbuffer != 0)	/* yank from specified buffer */
	{
		AppendCharToRedobuff('\"');
		AppendCharToRedobuff(yankbuffer);
	}
	if (num)
		AppendNumberToRedobuff(num);
	AppendCharToRedobuff(cmd);
	if (c != NUL)
		AppendCharToRedobuff(c);
	if (nchar != NUL)
#ifdef KANJI
	{
		AppendCharToRedobuff(nchar);
		if (ISkanji(nchar))
			AppendCharToRedobuff(kchar);
	}
#else
		AppendCharToRedobuff(nchar);
#endif
}

/*
 * check for operator active
 *
 * return TRUE if operator was active
 */
	static int
checkclearop()
{
	if (operator == NOP)
		return (FALSE);
	clearopbeep();
	return (TRUE);
}

/*
 * check for operator or Visual active
 *
 * return TRUE if operator was active
 */
	static int
checkclearopq()
{
	if (operator == NOP && VIsual.lnum == 0)
		return (FALSE);
	clearopbeep();
	return (TRUE);
}

	static void
clearopbeep()
{
	CLEAROP;
	beep();
}

/*
 * display, on the last line of the window, the characters typed before
 * the last command character, plus 'c1' and 'c2'
 */
	static void
premsg(c1, c2)
	int c1, c2;
{
	char_u	buf[40];
	char_u	*p;

	if (!p_sc || !(KeyTyped || c1 == -1 || c1 == ' '))
		return;

	cursor_off();
	msg_pos((int)Rows - 1, sc_col);
	if (c1 == -1)
		msg_outstr((char_u *)"          ");	/* look in comp_col() for the number of spaces */
	else
	{
		p = buf;
		if (opnum)
		{
			sprintf((char *)p, "%ld", (long)opnum);
			p = p + STRLEN(buf);
		}
		if (yankbuffer)
		{
			*p++ = '"';
			*p++ = yankbuffer;
		}
		if (c1 == Ctrl('W'))		/* ^W is in between counts */
		{
			*p++ = '^';
			*p++ = 'W';
			c1 = NUL;
		}
		else if (operator == 'z')
			*p++ = 'z';
		else if (operator)
			*p++ = opchars[operator - 1];
		if (Prenum)
		{
			sprintf((char *)p, "%ld", (long)Prenum);
			p = p + STRLEN(p);
		}
		*p = NUL;
		if (c1)
			STRCPY(p, transchar(c1));
#ifdef KANJI
		if (c2 && !ISkanji(c2))
#else
		if (c2)
#endif
			STRCAT(p, transchar(c2));
		buf[10] = NUL;			/* truncate at maximal length */
		msg_outstr(buf);
	}
	setcursor();
	/* cursor_on(); */
}
