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Diffstat (limited to 'mark.c')
| -rw-r--r-- | mark.c | 1449 |
1 files changed, 1449 insertions, 0 deletions
@@ -0,0 +1,1449 @@ +/* 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 + * https://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((char)); +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(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(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(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(int *xp, int *yp, int flags, int 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(int x1, int y1, int x2, int y2, int redisplay, char *pt, int yend) +{ + 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(int a, int 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(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 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, + fore->w_histheight - fore->w_scrollback_height + + (int)(rep_cnt * (fore->w_scrollback_height + + fore->w_height) / 100.0), (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; + } + 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(); + WindowChanged(fore, 'P'); + + 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; + } + + case 0222: + if (flayer->l_mouseevent.start) { + int button = flayer->l_mouseevent.buffer[0]; + if (button == 'a') { + /* Scroll down */ + od = 'j'; + } else if (button == '`') { + /* Scroll up */ + od = 'k'; + } else if (button == ' ') { + /* Left click */ + cx = flayer->l_mouseevent.buffer[1]; + cy = D2W(flayer->l_mouseevent.buffer[2]); + revto(cx, cy); + od = ' '; + } else + od = 0; + LayProcessMouseSwitch(flayer, 0); + if (od) + goto processchar; + } else + LayProcessMouseSwitch(flayer, 1); + 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(int tx, int ty) +{ + revto_line(tx, ty, -1); +} + +/* tx, ty: WINDOW, line: DISPLAY */ +void +revto_line(int tx, int ty, int 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 < fore->w_histheight - fore->w_scrollback_height) + ty = fore->w_histheight - fore->w_scrollback_height; + 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) { + flayer->l_x = tx; + flayer->l_y = W2D(ty); + 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]; + mc.fontx = ml->fontx[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 + } + } + flayer->l_x = tx; + flayer->l_y = W2D(ty); + 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(); + WindowChanged(fore, 'P'); +} + +static void +MarkRedisplayLine(int y, int xs, int xe, int isblank) /* NOTE: y is in DISPLAY coords system! */ +{ + 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]; + mchar_marked.fontx = ml->fontx[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(int ry, int xs, int xe, struct mchar *rend, int doit) +{ + 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]; + mchar_marked.fontx = ml->fontx[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(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(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; +} + +void +MakePaster(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(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 */ + |