diff options
author | Axel Beckert <abe@deuxchevaux.org> | 2011-10-04 22:01:30 +0200 |
---|---|---|
committer | Axel Beckert <abe@deuxchevaux.org> | 2011-10-04 22:01:30 +0200 |
commit | ed169177fbfd1fedb0750f3ba18737aba5596451 (patch) | |
tree | 4410859c72a75d3ca453521b881d0d40456e2749 /mark.c | |
parent | 168c94858d20f79247aad40daf2c54cd54182565 (diff) | |
download | screen-ed169177fbfd1fedb0750f3ba18737aba5596451.tar.gz |
Imported Upstream version 4.0.3+git201108019upstream/4.0.3+git201108019
Diffstat (limited to 'mark.c')
-rw-r--r-- | mark.c | 1379 |
1 files changed, 0 insertions, 1379 deletions
@@ -1,1379 +0,0 @@ -/* Copyright (c) 1993-2002 - * 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 2, 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, write to the - * Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - * - **************************************************************** - */ - -#include <sys/types.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 - -static struct LayFuncs MarkLf = -{ - MarkProcess, - MarkAbort, - MarkRedisplayLine, - DefClearLine, - MarkRewrite, - DefResize, - DefRestore -}; - -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; -} - - -/* - * 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, font; - unsigned char *fo; -#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; - font = ASCII; -#endif - for (; j <= to; j++) - { - c = (unsigned char)*im++; -#ifdef FONT - cf = (unsigned char)*fo++; -# ifdef UTF8 - if (fore->w_encoding == UTF8) - { - c |= cf << 8; - 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; - 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 */)) - { -/* - if (extrap) - { - od = *extrap++; - if (*extrap == 0) - extrap = 0; - } - else -*/ - { - od = mark_key_tab[(int)(unsigned char)*pt++]; - inlen--; - } - rep_cnt = markdata->rep_cnt; - if (od >= '0' && od <= '9') - { - 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; - switch (od) - { - 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 usefull 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 '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; - } - if (append_mode) - { - switch (markdata->nonl) - { - /* - * this code defines, what glues lines together - */ - case 0: - if (join_with_cr) - { - md_user->u_plop.buf[md_user->u_plop.len] = '\r'; - md_user->u_plop.len++; - } - md_user->u_plop.buf[md_user->u_plop.len] = '\n'; - md_user->u_plop.len++; - break; - case 1: - break; - case 2: - md_user->u_plop.buf[md_user->u_plop.len] = ' '; - md_user->u_plop.len++; - break; - case 3: - md_user->u_plop.buf[md_user->u_plop.len] = ','; - md_user->u_plop.len++; - break; - } - } - md_user->u_plop.len += rem(markdata->x1, markdata->y1, x2, y2, - markdata->hist_offset == fore->w_histheight, - md_user->u_plop.buf + md_user->u_plop.len, yend); -#ifdef ENCODINGS - md_user->u_plop.enc = fore->w_encoding; -#endif - } - if (markdata->hist_offset != fore->w_histheight) - { - LAY_CALL_UP(LRefreshAll(flayer, 0)); - } - ExitOverlayPage(); - if (append_mode) - LMsg(0, "Appended %d characters to buffer", - newcopylen); - else - LMsg(0, "Copied %d characters into buffer", md_user->u_plop.len); - if (write_buffer) - WriteFile(md_user, (char *)0, DUMP_EXCHANGE); - in_mark = 0; - break; - } - default: - MarkAbort(); - LMsg(0, "Copy mode aborted"); - in_mark = 0; - break; - } - if (in_mark) /* markdata may be freed */ - markdata->rep_cnt = 0; - } - if (in_mark) - { - flayer->l_x = markdata->cx; - flayer->l_y = W2D(markdata->cy); - } - *inbufp = pt; - *inlenp = inlen; -} - -void revto(tx, ty) -int tx, ty; -{ - revto_line(tx, ty, -1); -} - -/* tx, ty: WINDOW, line: DISPLAY */ -void revto_line(tx, ty, line) -int tx, ty, line; -{ - int fx, fy; - int x, y, t, revst, reven, qq, ff, tt, st, en, ce = 0; - int ystart = 0, yend = fore->w_height-1; - int i, ry; - unsigned char *wi; - struct mline *ml; - struct mchar mc; - - if (tx < 0) - tx = 0; - else if (tx > fore->w_width - 1) - tx = fore->w_width -1; - if (ty < 0) - ty = 0; - else if (ty > fore->w_histheight + fore->w_height - 1) - ty = fore->w_histheight + fore->w_height - 1; - - fx = markdata->cx; fy = markdata->cy; - -#ifdef DW_CHARS - /* don't just move inside of a kanji, the user wants to see something */ - ml = WIN(ty); - if (ty == fy && fx + 1 == tx && dw_right(ml, tx, fore->w_encoding) && tx < D_width - 1) - tx++; - if (ty == fy && fx - 1 == tx && dw_right(ml, fx, fore->w_encoding) && tx) - tx--; -#endif - - markdata->cx = tx; markdata->cy = ty; - - /* - * if we go to a position that is currently offscreen - * then scroll the screen - */ - i = 0; - if (line >= 0 && line < fore->w_height) - i = W2D(ty) - line; - else if (ty < markdata->hist_offset) - i = ty - markdata->hist_offset; - else if (ty > markdata->hist_offset + (fore->w_height - 1)) - i = ty - markdata->hist_offset - (fore->w_height - 1); - if (i > 0) - yend -= MarkScrollUpDisplay(i); - else if (i < 0) - ystart += MarkScrollDownDisplay(-i); - - if (markdata->second == 0) - { - LGotoPos(flayer, tx, W2D(ty)); - return; - } - - qq = markdata->x1 + markdata->y1 * fore->w_width; - ff = fx + fy * fore->w_width; /* "from" offset in WIN coords */ - tt = tx + ty * fore->w_width; /* "to" offset in WIN coords*/ - - if (ff > tt) - { - st = tt; en = ff; - x = tx; y = ty; - } - else - { - st = ff; en = tt; - x = fx; y = fy; - } - if (st > qq) - { - st++; - x++; - } - if (en < qq) - en--; - if (tt > qq) - { - revst = qq; reven = tt; - } - else - { - revst = tt; reven = qq; - } - ry = y - markdata->hist_offset; - if (ry < ystart) - { - y += (ystart - ry); - x = 0; - st = y * fore->w_width; - ry = ystart; - } - ml = WIN(y); - for (t = st; t <= en; t++, x++) - { - if (x >= fore->w_width) - { - x = 0; - y++, ry++; - ml = WIN(y); - } - if (ry > yend) - break; - if (t == st || x == 0) - { - wi = ml->image + fore->w_width; - for (ce = fore->w_width; ce >= 0; ce--, wi--) - if (*wi != ' ') - break; - } - if (x <= ce && x >= markdata->left_mar && x <= markdata->right_mar) - { -#ifdef DW_CHARS - if (dw_right(ml, x, fore->w_encoding)) - { - if (t == revst) - revst--; - t--; - x--; - } -#endif - if (t >= revst && t <= reven) - { - mc = mchar_so; -#ifdef FONT - if (pastefont) - mc.font = ml->font[x]; -#endif - mc.image = ml->image[x]; - } - else - copy_mline2mchar(&mc, ml, x); -#ifdef DW_CHARS - if (dw_left(ml, x, fore->w_encoding)) - { - mc.mbcs = ml->image[x + 1]; - LPutChar(flayer, &mc, x, W2D(y)); - t++; - } -#endif - LPutChar(flayer, &mc, x, W2D(y)); -#ifdef DW_CHARS - if (dw_left(ml, x, fore->w_encoding)) - x++; -#endif - } - } - LGotoPos(flayer, tx, W2D(ty)); -} - -static void -MarkAbort() -{ - int yend, redisp; - - debug("MarkAbort\n"); - markdata = (struct markdata *)flayer->l_data; - fore = markdata->md_window; - yend = fore->w_height - 1; - redisp = markdata->second; - if (fore->w_histheight - markdata->hist_offset < fore->w_height) - { - markdata->second = 0; - yend -= MarkScrollUpDisplay(fore->w_histheight - markdata->hist_offset); - } - if (markdata->hist_offset != fore->w_histheight) - { - LAY_CALL_UP(LRefreshAll(flayer, 0)); - } - else - { - rem(markdata->x1, markdata->y1, markdata->cx, markdata->cy, redisp, (char *)0, yend); - } - ExitOverlayPage(); -} - - -static void -MarkRedisplayLine(y, xs, xe, isblank) -int y; /* NOTE: y is in DISPLAY coords system! */ -int xs, xe; -int isblank; -{ - int wy, x, i, rm; - int sta, sto, cp; /* NOTE: these 3 are in WINDOW coords system */ - unsigned char *wi; - struct mline *ml; - struct mchar mchar_marked; - - if (y < 0) /* No special full page handling */ - return; - - markdata = (struct markdata *)flayer->l_data; - fore = markdata->md_window; - - mchar_marked = mchar_so; - - wy = D2W(y); - ml = WIN(wy); - - if (markdata->second == 0) - { - if (dw_right(ml, xs, fore->w_encoding) && xs > 0) - xs--; - if (dw_left(ml, xe, fore->w_encoding) && xe < fore->w_width - 1) - xe++; - if (xs == 0 && y > 0 && wy > 0 && WIN(wy - 1)->image[flayer->l_width] == 0) - LCDisplayLineWrap(flayer, ml, y, xs, xe, isblank); - else - LCDisplayLine(flayer, ml, y, xs, xe, isblank); - return; - } - - sta = markdata->y1 * fore->w_width + markdata->x1; - sto = markdata->cy * fore->w_width + markdata->cx; - if (sta > sto) - { - i=sta; sta=sto; sto=i; - } - cp = wy * fore->w_width + xs; - - rm = markdata->right_mar; - for (x = fore->w_width, wi = ml->image + fore->w_width; x >= 0; x--, wi--) - if (*wi != ' ') - break; - if (x < rm) - rm = x; - - for (x = xs; x <= xe; x++, cp++) - if (cp >= sta && x >= markdata->left_mar) - break; -#ifdef DW_CHARS - if (dw_right(ml, x, fore->w_encoding)) - x--; -#endif - if (x > xs) - LCDisplayLine(flayer, ml, y, xs, x - 1, isblank); - for (; x <= xe; x++, cp++) - { - if (cp > sto || x > rm) - break; -#ifdef FONT - if (pastefont) - mchar_marked.font = ml->font[x]; -#endif - mchar_marked.image = ml->image[x]; -#ifdef DW_CHARS - mchar_marked.mbcs = 0; - if (dw_left(ml, x, fore->w_encoding)) - { - mchar_marked.mbcs = ml->image[x + 1]; - cp++; - } -#endif - LPutChar(flayer, &mchar_marked, x, y); -#ifdef DW_CHARS - if (dw_left(ml, x, fore->w_encoding)) - x++; -#endif - } - if (x <= xe) - LCDisplayLine(flayer, ml, y, x, xe, isblank); -} - - -/* - * This ugly routine is to speed up GotoPos() - */ -static int -MarkRewrite(ry, xs, xe, rend, doit) -int ry, xs, xe, doit; -struct mchar *rend; -{ - int dx, x, y, st, en, t, rm; - unsigned char *i; - struct mline *ml; - struct mchar mchar_marked; - - mchar_marked = mchar_so; - - debug3("MarkRewrite %d, %d-%d\n", ry, xs, xe); - markdata = (struct markdata *)flayer->l_data; - fore = markdata->md_window; - y = D2W(ry); - ml = WIN(y); -#ifdef UTF8 - if (fore->w_encoding && fore->w_encoding != UTF8 && D_encoding == UTF8 && ContainsSpecialDeffont(ml, xs, xe, fore->w_encoding)) - return EXPENSIVE; -#endif - dx = xe - xs + 1; - if (doit) - { - i = ml->image + xs; - while (dx--) - PUTCHAR(*i++); - return 0; - } - - if (markdata->second == 0) - st = en = -1; - else - { - st = markdata->y1 * fore->w_width + markdata->x1; - en = markdata->cy * fore->w_width + markdata->cx; - if (st > en) - { - t = st; st = en; en = t; - } - } - t = y * fore->w_width + xs; - for (rm = fore->w_width, i = ml->image + fore->w_width; rm >= 0; rm--) - if (*i-- != ' ') - break; - if (rm > markdata->right_mar) - rm = markdata->right_mar; - x = xs; - while (dx--) - { - if (t >= st && t <= en && x >= markdata->left_mar && x <= rm) - { -#ifdef FONT - if (pastefont) - mchar_marked.font = ml->font[x]; -#endif - rend->image = mchar_marked.image; - if (!cmp_mchar(rend, &mchar_marked)) - return EXPENSIVE; - } - else - { - rend->image = ml->image[x]; - if (!cmp_mchar_mline(rend, ml, x)) - return EXPENSIVE; - } - x++; - } - return xe - xs + 1; -} - - -/* - * scroll the screen contents up/down. - */ -static int MarkScrollUpDisplay(n) -int n; -{ - int i; - - debug1("MarkScrollUpDisplay(%d)\n", n); - if (n <= 0) - return 0; - if (n > fore->w_histheight - markdata->hist_offset) - n = fore->w_histheight - markdata->hist_offset; - markdata->hist_offset += n; - i = (n < flayer->l_height) ? n : (flayer->l_height); - LScrollV(flayer, i, 0, flayer->l_height - 1, 0); - while (i-- > 0) - MarkRedisplayLine(flayer->l_height - i - 1, 0, flayer->l_width - 1, 1); - return n; -} - -static int -MarkScrollDownDisplay(n) -int n; -{ - int i; - - debug1("MarkScrollDownDisplay(%d)\n", n); - if (n <= 0) - return 0; - if (n > markdata->hist_offset) - n = markdata->hist_offset; - markdata->hist_offset -= n; - i = (n < flayer->l_height) ? n : (flayer->l_height); - LScrollV(flayer, -i, 0, fore->w_height - 1, 0); - while (i-- > 0) - MarkRedisplayLine(i, 0, flayer->l_width - 1, 1); - return n; -} - -int -InMark() -{ - if (flayer && flayer->l_layfn == &MarkLf) - return 1; - return 0; -} - -void -MakePaster(pa, buf, len, bufiscopy) -struct paster *pa; -char *buf; -int len; -int bufiscopy; -{ - FreePaster(pa); - pa->pa_pasteptr = buf; - pa->pa_pastelen = len; - if (bufiscopy) - pa->pa_pastebuf = buf; - pa->pa_pastelayer = flayer; - DoProcess(Layer2Window(flayer), &pa->pa_pasteptr, &pa->pa_pastelen, pa); -} - -void -FreePaster(pa) -struct paster *pa; -{ - if (pa->pa_pastebuf) - free(pa->pa_pastebuf); - pa->pa_pastebuf = 0; - pa->pa_pasteptr = 0; - pa->pa_pastelen = 0; - pa->pa_pastelayer = 0; - evdeq(&pa->pa_slowev); -} - -#endif /* COPY_PASTE */ - |