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mark.c
1535 lines (1440 loc) · 34.4 KB
/
mark.c
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/* Copyright (c) 2008, 2009
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Micah Cowan (micah@cowan.name)
* Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
* Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Copyright (c) 1987 Oliver Laumann
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING); if not, see
* http://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*
****************************************************************
*/
#include <sys/types.h>
#include <ctype.h>
#include "config.h"
#include "screen.h"
#include "mark.h"
#include "extern.h"
#ifdef COPY_PASTE
/*
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*
* WARNING: these routines use the global variables "fore" and
* "flayer" to make things easier.
*
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*/
static int is_letter __P((int));
static void nextword __P((int *, int *, int, int));
static int linestart __P((int));
static int lineend __P((int));
static int rem __P((int, int , int , int , int , char *, int));
static int eq __P((int, int ));
static int MarkScrollDownDisplay __P((int));
static int MarkScrollUpDisplay __P((int));
static void MarkProcess __P((char **, int *));
static void MarkAbort __P((void));
static void MarkRedisplayLine __P((int, int, int, int));
static int MarkRewrite __P((int, int, int, struct mchar *, int));
extern struct layer *flayer;
extern struct display *display, *displays;
extern struct win *fore;
extern struct mline mline_blank, mline_null;
extern struct mchar mchar_so;
#ifdef FONT
int pastefont = 1;
#endif
struct LayFuncs MarkLf =
{
MarkProcess,
MarkAbort,
MarkRedisplayLine,
DefClearLine,
MarkRewrite,
DefResize,
DefRestore,
0
};
int join_with_cr = 0;
int compacthist = 0;
unsigned char mark_key_tab[256]; /* this array must be initialised first! */
static struct markdata *markdata;
/*
* VI like is_letter: 0 - whitespace
* 1 - letter
* 2 - other
*/
static int is_letter(c)
char c;
{
if ((c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'Z') ||
(c >= '0' && c <= '9') ||
c == '_' || c == '.' ||
c == '@' || c == ':' ||
c == '%' || c == '!' ||
c == '-' || c == '+')
/* thus we can catch email-addresses as a word :-) */
return 1;
else if (c != ' ')
return 2;
return 0;
}
static int
linestart(y)
int y;
{
register int x;
register unsigned char *i;
for (x = markdata->left_mar, i = WIN(y)->image + x; x < fore->w_width - 1; x++)
if (*i++ != ' ')
break;
if (x == fore->w_width - 1)
x = markdata->left_mar;
return x;
}
static int
lineend(y)
int y;
{
register int x;
register unsigned char *i;
for (x = markdata->right_mar, i = WIN(y)->image + x; x >= 0; x--)
if (*i-- != ' ')
break;
if (x < 0)
x = markdata->left_mar;
return x;
}
/*
* nextchar sets *xp to the num-th occurrence of the target in the line.
*
* Returns -1 if the target doesn't appear num times, 0 otherwise.
*/
static int
nextchar(int *xp, int *yp, int direction, char target, int num)
{
int width; /* width of the current window. */
int x; /* x coordinate of the current cursor position. */
int step; /* amount to increment x (+1 or -1) */
int adjust; /* Final adjustment of cursor position. */
char *displayed_line; /* Line in which search takes place. */
debug("nextchar\n");
x = *xp;
step = 1;
adjust = 0;
width = fore->w_width;
displayed_line = (char *)WIN(*yp) -> image;
switch(direction) {
case 't':
adjust = -1; /* fall through */
case 'f':
step = 1;
break;
case 'T':
adjust = 1; /* fall through */
case 'F':
step = -1;
break;
default:
ASSERT(0);
}
x += step;
debug1("ml->image = %s\n", displayed_line);
debug2("num = %d, width = %d\n",num, width);
debug2("x = %d target = %c\n", x, target );
for ( ;x>=0 && x <= width; x += step) {
if (displayed_line[x] == target) {
if (--num == 0) {
*xp = x + adjust;
return 0;
}
}
}
return -1;
}
/*
* nextword calculates the cursor position of the num'th word.
* If the cursor is on a word, it counts as the first.
* NW_BACK: search backward
* NW_ENDOFWORD: find the end of the word
* NW_MUSTMOVE: move at least one char
* NW_BIG: match WORDs not words
*/
#define NW_BACK (1<<0)
#define NW_ENDOFWORD (1<<1)
#define NW_MUSTMOVE (1<<2)
#define NW_BIG (1<<3)
static void
nextword(xp, yp, flags, num)
int *xp, *yp, flags, num;
{
int xx = fore->w_width, yy = fore->w_histheight + fore->w_height;
register int sx, oq, q, x, y;
struct mline *ml;
x = *xp;
y = *yp;
sx = (flags & NW_BACK) ? -1 : 1;
if ((flags & NW_ENDOFWORD) && (flags & NW_MUSTMOVE))
x += sx;
ml = WIN(y);
for (oq = -1; ; x += sx, oq = q)
{
if (x >= xx || x < 0)
q = 0;
else if (flags & NW_BIG)
q = ml->image[x] == ' ';
else
q = is_letter(ml->image[x]);
if (oq >= 0 && oq != q)
{
if (oq == 0 || !(flags & NW_ENDOFWORD))
*xp = x;
else
*xp = x-sx;
*yp = y;
if ((!(flags & NW_ENDOFWORD) && q) ||
((flags & NW_ENDOFWORD) && oq))
{
if (--num <= 0)
return;
}
}
if (x == xx)
{
x = -1;
if (++y >= yy)
return;
ml = WIN(y);
}
else if (x < 0)
{
x = xx;
if (--y < 0)
return;
ml = WIN(y);
}
}
}
/*
* y1, y2 are WIN coordinates
*
* redisplay: 0 - just copy
* 1 - redisplay + copy
* 2 - count + copy, don't redisplay
*/
static int
rem(x1, y1, x2, y2, redisplay, pt, yend)
int x1, y1, x2, y2, redisplay, yend;
char *pt;
{
int i, j, from, to, ry, c;
int l = 0;
unsigned char *im;
struct mline *ml;
#ifdef FONT
int cf, cfx, font;
unsigned char *fo, *fox;
#endif
markdata->second = 0;
if (y2 < y1 || ((y2 == y1) && (x2 < x1)))
{
i = y2;
y2 = y1;
y1 = i;
i = x2;
x2 = x1;
x1 = i;
}
ry = y1 - markdata->hist_offset;
i = y1;
if (redisplay != 2 && pt == 0 && ry <0)
{
i -= ry;
ry = 0;
}
for (; i <= y2; i++, ry++)
{
if (redisplay != 2 && pt == 0 && ry > yend)
break;
ml = WIN(i);
from = (i == y1) ? x1 : 0;
if (from < markdata->left_mar)
from = markdata->left_mar;
for (to = fore->w_width, im = ml->image + to; to >= 0; to--)
if (*im-- != ' ')
break;
if (i == y2 && x2 < to)
to = x2;
if (to > markdata->right_mar)
to = markdata->right_mar;
if (redisplay == 1 && from <= to && ry >=0 && ry <= yend)
MarkRedisplayLine(ry, from, to, 0);
if (redisplay != 2 && pt == 0) /* don't count/copy */
continue;
j = from;
#ifdef DW_CHARS
if (dw_right(ml, j, fore->w_encoding))
j--;
#endif
im = ml->image + j;
#ifdef FONT
fo = ml->font + j;
fox = ml->fontx + j;
font = ASCII;
#endif
for (; j <= to; j++)
{
c = (unsigned char)*im++;
#ifdef FONT
cf = (unsigned char)*fo++;
cfx = (unsigned char)*fox++;
# ifdef UTF8
if (fore->w_encoding == UTF8)
{
c |= cf << 8 | cfx << 16;
if (c == UCS_HIDDEN)
continue;
c = ToUtf8_comb(pt, c);
l += c;
if (pt)
pt += c;
continue;
}
# endif
# ifdef DW_CHARS
if (is_dw_font(cf))
{
c = c << 8 | (unsigned char)*im++;
fo++;
j++;
}
# endif
if (pastefont)
{
c = EncodeChar(pt, c | cf << 16, fore->w_encoding, &font);
l += c;
if (pt)
pt += c;
continue;
}
#endif /* FONT */
if (pt)
*pt++ = c;
l++;
}
#ifdef FONT
if (pastefont && font != ASCII)
{
if (pt)
{
strcpy(pt, "\033(B");
pt += 3;
}
l += 3;
}
#endif
if (i != y2 && (to != fore->w_width - 1 || ml->image[to + 1] == ' '))
{
/*
* this code defines, what glues lines together
*/
switch (markdata->nonl)
{
case 0: /* lines separated by newlines */
if (pt)
*pt++ = '\r';
l++;
if (join_with_cr)
{
if (pt)
*pt++ = '\n';
l++;
}
break;
case 1: /* nothing to separate lines */
break;
case 2: /* lines separated by blanks */
if (pt)
*pt++ = ' ';
l++;
break;
case 3: /* seperate by comma, for csh junkies */
if (pt)
*pt++ = ',';
l++;
break;
}
}
}
return l;
}
/* Check if two chars are identical. All digits are treated
* as same. Used for GetHistory()
*/
static int
eq(a, b)
int a, b;
{
if (a == b)
return 1;
if (a == 0 || b == 0)
return 1;
if (a <= '9' && a >= '0' && b <= '9' && b >= '0')
return 1;
return 0;
}
/**********************************************************************/
int
GetHistory() /* return value 1 if copybuffer changed */
{
int i = 0, q = 0, xx, yy, x, y;
unsigned char *linep;
struct mline *ml;
ASSERT(display && fore);
x = fore->w_x;
if (x >= fore->w_width)
x = fore->w_width - 1;
y = fore->w_y + fore->w_histheight;
debug2("cursor is at x=%d, y=%d\n", x, y);
ml = WIN(y);
for (xx = x - 1, linep = ml->image + xx; xx >= 0; xx--)
if ((q = *linep--) != ' ' )
break;
debug3("%c at (%d,%d)\n", q, xx, y);
for (yy = y - 1; yy >= 0; yy--)
{
ml = WIN(yy);
linep = ml->image;
if (xx < 0 || eq(linep[xx], q))
{ /* line is matching... */
for (i = fore->w_width - 1, linep += i; i >= x; i--)
if (*linep-- != ' ')
break;
if (i >= x)
break;
}
}
if (yy < 0)
return 0;
if (D_user->u_plop.buf)
UserFreeCopyBuffer(D_user);
if ((D_user->u_plop.buf = (char *)malloc((unsigned) (i - x + 2))) == NULL)
{
LMsg(0, "Not enough memory... Sorry.");
return 0;
}
bcopy((char *)linep - i + x + 1, D_user->u_plop.buf, i - x + 1);
D_user->u_plop.len = i - x + 1;
#ifdef ENCODINGS
D_user->u_plop.enc = fore->w_encoding;
#endif
return 1;
}
/**********************************************************************/
void
MarkRoutine()
{
int x, y;
ASSERT(fore && display && D_user);
debug2("MarkRoutine called: fore nr %d, display %s\n",
fore->w_number, D_usertty);
if (InitOverlayPage(sizeof(*markdata), &MarkLf, 1))
return;
flayer->l_encoding = fore->w_encoding;
flayer->l_mode = 1;
markdata = (struct markdata *)flayer->l_data;
markdata->md_user = D_user; /* XXX: Correct? */
markdata->md_window = fore;
markdata->second = 0;
markdata->rep_cnt = 0;
markdata->append_mode = 0;
markdata->write_buffer = 0;
markdata->nonl = 0;
markdata->left_mar = 0;
markdata->right_mar = fore->w_width - 1;
markdata->hist_offset = fore->w_histheight;
x = fore->w_x;
y = D2W(fore->w_y);
if (x >= fore->w_width)
x = fore->w_width - 1;
LGotoPos(flayer, x, W2D(y));
LMsg(0, "Copy mode - Column %d Line %d(+%d) (%d,%d)",
x + 1, W2D(y + 1), fore->w_histheight, fore->w_width, fore->w_height);
markdata->cx = markdata->x1 = x;
markdata->cy = markdata->y1 = y;
flayer->l_x = x;
flayer->l_y = W2D(y);
}
static void
MarkProcess(inbufp,inlenp)
char **inbufp;
int *inlenp;
{
char *inbuf, *pt;
int inlen;
int cx, cy, x2, y2, j, yend;
int newcopylen = 0, od;
int in_mark;
int rep_cnt;
struct acluser *md_user;
/*
char *extrap = 0, extrabuf[100];
*/
markdata = (struct markdata *)flayer->l_data;
fore = markdata->md_window;
md_user = markdata->md_user;
if (inbufp == 0)
{
MarkAbort();
return;
}
LGotoPos(flayer, markdata->cx, W2D(markdata->cy));
inbuf= *inbufp;
inlen= *inlenp;
pt = inbuf;
in_mark = 1;
while (in_mark && (inlen /* || extrap */))
{
unsigned char ch = (unsigned char )*pt++;
inlen--;
if (flayer->l_mouseevent.start)
{
int r = LayProcessMouse(flayer, ch);
if (r == -1)
LayProcessMouseSwitch(flayer, 0);
else
{
if (r)
ch = 0222;
else
continue;
}
}
od = mark_key_tab[(int)ch];
rep_cnt = markdata->rep_cnt;
if (od >= '0' && od <= '9' && !markdata->f_cmd.flag)
{
if (rep_cnt < 1001 && (od != '0' || rep_cnt != 0))
{
markdata->rep_cnt = 10 * rep_cnt + od - '0';
continue;
/*
* Now what is that 1001 here? Well, we have a screen with
* 25 * 80 = 2000 characters. Movement is at most across the full
* screen. This we do with word by word movement, as character by
* character movement never steps over line boundaries. The most words
* we can place on the screen are 1000 single letter words. Thus 1001
* is sufficient. Users with bigger screens never write in single letter
* words, as they should be more advanced. jw.
* Oh, wrong. We still give even the experienced user a factor of ten.
*/
}
}
cx = markdata->cx;
cy = markdata->cy;
if (markdata -> f_cmd.flag) {
debug2("searching for %c:%d\n",od,rep_cnt);
markdata->f_cmd.flag = 0;
markdata->rep_cnt = 0;
if (isgraph (od)) {
markdata->f_cmd.target = od;
rep_cnt = (rep_cnt) ? rep_cnt : 1;
nextchar(&cx, &cy, markdata->f_cmd.direction, od, rep_cnt );
revto(cx, cy);
continue;
}
}
processchar:
switch (od)
{
case 'f': /* fall through */
case 'F': /* fall through */
case 't': /* fall through */
case 'T': /* fall through */
/*
* Set f_cmd to do a search on the next key stroke.
* If we break, rep_cnt will be reset, so we
* continue instead. It might be cleaner to
* store the rep_count in f_cmd and
* break here so later followon code will be
* hit.
*/
markdata->f_cmd.flag = 1;
markdata->f_cmd.direction = od;
debug("entering char search\n");
continue;
case ';':
case ',':
if (!markdata->f_cmd.target)
break;
if (!rep_cnt)
rep_cnt = 1;
nextchar(&cx, &cy,
od == ';' ? markdata->f_cmd.direction : (markdata->f_cmd.direction ^ 0x20),
markdata->f_cmd.target, rep_cnt );
revto(cx, cy);
break;
case 'o':
case 'x':
if (!markdata->second)
break;
markdata->cx = markdata->x1;
markdata->cy = markdata->y1;
markdata->x1 = cx;
markdata->y1 = cy;
revto(markdata->cx, markdata->cy);
break;
case '\014': /* CTRL-L Redisplay */
Redisplay(0);
LGotoPos(flayer, cx, W2D(cy));
break;
case 0202: /* M-C-b */
case '\010': /* CTRL-H Backspace */
case 'h':
if (rep_cnt == 0)
rep_cnt = 1;
revto(cx - rep_cnt, cy);
break;
case 0216: /* M-C-p */
case '\016': /* CTRL-N */
case 'j':
if (rep_cnt == 0)
rep_cnt = 1;
revto(cx, cy + rep_cnt);
break;
case '+':
if (rep_cnt == 0)
rep_cnt = 1;
j = cy + rep_cnt;
if (j > fore->w_histheight + fore->w_height - 1)
j = fore->w_histheight + fore->w_height - 1;
revto(linestart(j), j);
break;
case '-':
if (rep_cnt == 0)
rep_cnt = 1;
cy -= rep_cnt;
if (cy < 0)
cy = 0;
revto(linestart(cy), cy);
break;
case '^':
revto(linestart(cy), cy);
break;
case '\n':
revto(markdata->left_mar, cy + 1);
break;
case 0220: /* M-C-p */
case '\020': /* CTRL-P */
case 'k':
if (rep_cnt == 0)
rep_cnt = 1;
revto(cx, cy - rep_cnt);
break;
case 0206: /* M-C-f */
case 'l':
if (rep_cnt == 0)
rep_cnt = 1;
revto(cx + rep_cnt, cy);
break;
case '\001': /* CTRL-A from tcsh/emacs */
case '0':
revto(markdata->left_mar, cy);
break;
case '\004': /* CTRL-D down half screen */
if (rep_cnt == 0)
rep_cnt = (fore->w_height + 1) >> 1;
revto_line(cx, cy + rep_cnt, W2D(cy));
break;
case '$':
revto(lineend(cy), cy);
break;
case '\022': /* CTRL-R emacs style backwards search */
ISearch(-1);
in_mark = 0;
break;
case '\023': /* CTRL-S emacs style search */
ISearch(1);
in_mark = 0;
break;
case '\025': /* CTRL-U up half screen */
if (rep_cnt == 0)
rep_cnt = (fore->w_height + 1) >> 1;
revto_line(cx, cy - rep_cnt, W2D(cy));
break;
case '\007': /* CTRL-G show cursorpos */
if (markdata->left_mar == 0 && markdata->right_mar == fore->w_width - 1)
LMsg(0, "Column %d Line %d(+%d)", cx+1, W2D(cy)+1,
markdata->hist_offset);
else
LMsg(0, "Column %d(%d..%d) Line %d(+%d)", cx+1,
markdata->left_mar+1, markdata->right_mar+1, W2D(cy)+1, markdata->hist_offset);
break;
case '\002': /* CTRL-B back one page */
if (rep_cnt == 0)
rep_cnt = 1;
rep_cnt *= fore->w_height;
revto(cx, cy - rep_cnt);
break;
case '\006': /* CTRL-F forward one page */
if (rep_cnt == 0)
rep_cnt = 1;
rep_cnt *= fore->w_height;
revto(cx, cy + rep_cnt);
break;
case '\005': /* CTRL-E scroll up */
if (rep_cnt == 0)
rep_cnt = 1;
rep_cnt = MarkScrollUpDisplay(rep_cnt);
if (cy < D2W(0))
revto(cx, D2W(0));
else
LGotoPos(flayer, cx, W2D(cy));
break;
case '\031': /* CTRL-Y scroll down */
if (rep_cnt == 0)
rep_cnt = 1;
rep_cnt = MarkScrollDownDisplay(rep_cnt);
if (cy > D2W(fore->w_height-1))
revto(cx, D2W(fore->w_height-1));
else
LGotoPos(flayer, cx, W2D(cy));
break;
case '@':
/* it may be useful to have a key that does nothing */
break;
case '%':
rep_cnt--;
/* rep_cnt is a percentage for the history buffer */
if (rep_cnt < 0)
rep_cnt = 0;
if (rep_cnt > 100)
rep_cnt = 100;
revto_line(markdata->left_mar, (rep_cnt * (fore->w_histheight + fore->w_height)) / 100, (fore->w_height - 1) / 2);
break;
case 0201:
case 'g':
rep_cnt = 1;
/* FALLTHROUGH */
case 0205:
case 'G':
/* rep_cnt is here the WIN line number */
if (rep_cnt == 0)
rep_cnt = fore->w_histheight + fore->w_height;
revto_line(markdata->left_mar, --rep_cnt, (fore->w_height - 1) / 2);
break;
case 'H':
revto(markdata->left_mar, D2W(0));
break;
case 'M':
revto(markdata->left_mar, D2W((fore->w_height - 1) / 2));
break;
case 'L':
revto(markdata->left_mar, D2W(fore->w_height - 1));
break;
case '|':
revto(--rep_cnt, cy);
break;
case 'w':
if (rep_cnt == 0)
rep_cnt = 1;
nextword(&cx, &cy, NW_MUSTMOVE, rep_cnt);
revto(cx, cy);
break;
case 'e':
case 'E':
if (rep_cnt == 0)
rep_cnt = 1;
nextword(&cx, &cy, NW_ENDOFWORD|NW_MUSTMOVE | (od == 'E' ? NW_BIG : 0), rep_cnt);
revto(cx, cy);
break;
case 'b':
case 'B':
if (rep_cnt == 0)
rep_cnt = 1;
nextword(&cx, &cy, NW_BACK|NW_ENDOFWORD|NW_MUSTMOVE | (od == 'B' ? NW_BIG : 0), rep_cnt);
revto(cx, cy);
break;
case 'a':
markdata->append_mode = 1 - markdata->append_mode;
debug1("append mode %d--\n", markdata->append_mode);
LMsg(0, (markdata->append_mode) ? ":set append" : ":set noappend");
break;
case 'v':
case 'V':
/* this sets start column to column 9 for VI :set nu users */
if (markdata->left_mar == 8)
rep_cnt = 1;
else
rep_cnt = 9;
/* FALLTHROUGH */
case 'c':
case 'C':
/* set start column (c) and end column (C) */
if (markdata->second)
{
rem(markdata->x1, markdata->y1, cx, cy, 1, (char *)0, fore->w_height-1); /* Hack */
markdata->second = 1; /* rem turns off second */
}
rep_cnt--;
if (rep_cnt < 0)
rep_cnt = cx;
if (od != 'C')
{
markdata->left_mar = rep_cnt;
if (markdata->left_mar > markdata->right_mar)
markdata->left_mar = markdata->right_mar;
}
else
{
markdata->right_mar = rep_cnt;
if (markdata->left_mar > markdata->right_mar)
markdata->right_mar = markdata->left_mar;
}
if (markdata->second)
{
markdata->cx = markdata->x1; markdata->cy = markdata->y1;
revto(cx, cy);
}
if (od == 'v' || od == 'V')
LMsg(0, (markdata->left_mar != 8) ? ":set nonu" : ":set nu");
break;
case 'J':
/* how do you join lines in VI ? */
markdata->nonl = (markdata->nonl + 1) % 4;
switch (markdata->nonl)
{
case 0:
if (join_with_cr)
LMsg(0, "Multiple lines (CR/LF)");
else
LMsg(0, "Multiple lines (LF)");
break;
case 1:
LMsg(0, "Lines joined");
break;
case 2:
LMsg(0, "Lines joined with blanks");
break;
case 3:
LMsg(0, "Lines joined with comma");
break;
}
break;
case '/':
Search(1);
in_mark = 0;
break;
case '?':
Search(-1);
in_mark = 0;
break;
case 'n':
Search(0);
break;
case 'N':
markdata->isdir = -markdata->isdir;
Search(0);
markdata->isdir = -markdata->isdir;
break;
case 'y':
case 'Y':
if (markdata->second == 0)
{
revto(linestart(cy), cy);
markdata->second++;
cx = markdata->x1 = markdata->cx;
cy = markdata->y1 = markdata->cy;
}
if (--rep_cnt > 0)
revto(cx, cy + rep_cnt);
revto(lineend(markdata->cy), markdata->cy);
if (od == 'y')
break;
/* FALLTHROUGH */
case 'W':
if (od == 'W')
{
if (rep_cnt == 0)
rep_cnt = 1;
if (!markdata->second)
{
nextword(&cx, &cy, NW_BACK|NW_ENDOFWORD, 1);
revto(cx, cy);
markdata->second++;
cx = markdata->x1 = markdata->cx;
cy = markdata->y1 = markdata->cy;
}
nextword(&cx, &cy, NW_ENDOFWORD, rep_cnt);
revto(cx, cy);
}
cx = markdata->cx;
cy = markdata->cy;
/* FALLTHROUGH */
case 'A':
if (od == 'A')
markdata->append_mode = 1;
/* FALLTHROUGH */
case '>':
if (od == '>')
markdata->write_buffer = 1;
/* FALLTHROUGH */
case ' ':
case '\r':
if (!markdata->second)
{
markdata->second++;
markdata->x1 = cx;
markdata->y1 = cy;
revto(cx, cy);
LMsg(0, "First mark set - Column %d Line %d", cx+1, W2D(cy)+1);
break;
}
else
{
int append_mode = markdata->append_mode;
int write_buffer = markdata->write_buffer;
x2 = cx;
y2 = cy;
newcopylen = rem(markdata->x1, markdata->y1, x2, y2, 2, (char *)0, 0); /* count */
if (md_user->u_plop.buf && !append_mode)
UserFreeCopyBuffer(md_user);
yend = fore->w_height - 1;
if (fore->w_histheight - markdata->hist_offset < fore->w_height)
{
markdata->second = 0;
yend -= MarkScrollUpDisplay(fore->w_histheight - markdata->hist_offset);
}
if (newcopylen > 0)
{
/* the +3 below is for : cr + lf + \0 */
if (md_user->u_plop.buf)
md_user->u_plop.buf = realloc(md_user->u_plop.buf,
(unsigned) (md_user->u_plop.len + newcopylen + 3));
else
{
md_user->u_plop.len = 0;
md_user->u_plop.buf = malloc((unsigned) (newcopylen + 3));
}
if (!md_user->u_plop.buf)
{
MarkAbort();
in_mark = 0;
LMsg(0, "Not enough memory... Sorry.");
md_user->u_plop.len = 0;
md_user->u_plop.buf = 0;
break;