[BACK]Return to cmd7.c CVS log [TXT][DIR] Up to [local] / src / usr.bin / window

Annotation of src/usr.bin/window/cmd7.c, Revision 1.5

1.5     ! millert     1: /*     $OpenBSD: cmd7.c,v 1.4 2001/11/19 19:02:18 mpech Exp $  */
1.1       deraadt     2: /*     $NetBSD: cmd7.c,v 1.3 1995/09/28 10:34:12 tls Exp $     */
                      3:
                      4: /*
                      5:  * Copyright (c) 1983, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * This code is derived from software contributed to Berkeley by
                      9:  * Edward Wang at The University of California, Berkeley.
                     10:  *
                     11:  * Redistribution and use in source and binary forms, with or without
                     12:  * modification, are permitted provided that the following conditions
                     13:  * are met:
                     14:  * 1. Redistributions of source code must retain the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer.
                     16:  * 2. Redistributions in binary form must reproduce the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer in the
                     18:  *    documentation and/or other materials provided with the distribution.
1.5     ! millert    19:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    20:  *    may be used to endorse or promote products derived from this software
                     21:  *    without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33:  * SUCH DAMAGE.
                     34:  */
                     35:
                     36: #ifndef lint
                     37: #if 0
                     38: static char sccsid[] = "@(#)cmd7.c     8.1 (Berkeley) 6/6/93";
                     39: #else
1.5     ! millert    40: static char rcsid[] = "$OpenBSD: cmd7.c,v 1.4 2001/11/19 19:02:18 mpech Exp $";
1.1       deraadt    41: #endif
                     42: #endif /* not lint */
                     43:
                     44: #include "defs.h"
                     45: #include "string.h"
                     46:
                     47: /*
                     48:  * Window size.
                     49:  */
                     50:
                     51: c_size(w)
1.4       mpech      52: struct ww *w;
1.1       deraadt    53: {
                     54:        int col, row;
                     55:
                     56:        if (!terse)
                     57:                wwputs("New window size (lower right corner): ", cmdwin);
                     58:        col = MIN(w->ww_w.r, wwncol) - 1;
                     59:        row = MIN(w->ww_w.b, wwnrow) - 1;
                     60:        wwadd(boxwin, framewin->ww_back);
                     61:        for (;;) {
                     62:                wwbox(boxwin, w->ww_w.t - 1, w->ww_w.l - 1,
                     63:                        row - w->ww_w.t + 3, col - w->ww_w.l + 3);
                     64:                wwsetcursor(row, col);
                     65:                while (wwpeekc() < 0)
                     66:                        wwiomux();
                     67:                switch (getpos(&row, &col, w->ww_w.t, w->ww_w.l,
                     68:                        wwnrow - 1, wwncol - 1)) {
                     69:                case 3:
                     70:                        wwunbox(boxwin);
                     71:                        wwdelete(boxwin);
                     72:                        return;
                     73:                case 2:
                     74:                        wwunbox(boxwin);
                     75:                        break;
                     76:                case 1:
                     77:                        wwunbox(boxwin);
                     78:                case 0:
                     79:                        continue;
                     80:                }
                     81:                break;
                     82:        }
                     83:        wwdelete(boxwin);
                     84:        if (!terse)
                     85:                wwputc('\n', cmdwin);
                     86:        wwcurtowin(cmdwin);
                     87:        sizewin(w, row - w->ww_w.t + 1, col - w->ww_w.l + 1);
                     88: }
                     89:
                     90: /*
                     91:  * Yank and put
                     92:  */
                     93:
                     94: struct yb {
                     95:        char *line;
                     96:        int length;
                     97:        struct yb *link;
                     98: };
                     99: struct yb *yb_head, *yb_tail;
                    100:
                    101: c_yank()
                    102: {
                    103:        struct ww *w = selwin;
                    104:        int col1, row1;
                    105:        int col2, row2;
                    106:        int r, c;
                    107:
                    108:        if (!terse)
                    109:                wwputs("Yank starting position: ", cmdwin);
                    110:        wwcursor(w, 0);
                    111:        row1 = w->ww_cur.r;
                    112:        col1 = w->ww_cur.c;
                    113:        for (;;) {
                    114:                wwsetcursor(row1, col1);
                    115:                while (wwpeekc() < 0)
                    116:                        wwiomux();
                    117:                switch (getpos(&row1, &col1, w->ww_i.t, w->ww_i.l,
                    118:                               w->ww_i.b - 1, w->ww_i.r - 1)) {
                    119:                case 3:
                    120:                        goto out;
                    121:                case 2:
                    122:                        break;
                    123:                case 1:
                    124:                case 0:
                    125:                        continue;
                    126:                }
                    127:                break;
                    128:        }
                    129:        if (!terse)
                    130:                wwputs("\nYank ending position: ", cmdwin);
                    131:        row2 = row1;
                    132:        col2 = col1;
                    133:        for (;;) {
                    134:                wwsetcursor(row2, col2);
                    135:                while (wwpeekc() < 0)
                    136:                        wwiomux();
                    137:                r = row2;
                    138:                c = col2;
                    139:                switch (getpos(&row2, &col2, w->ww_i.t, w->ww_i.l,
                    140:                               w->ww_i.b - 1, w->ww_i.r - 1)) {
                    141:                case 3:
                    142:                        yank_highlight(row1, col1, r, c);
                    143:                        goto out;
                    144:                case 2:
                    145:                        break;
                    146:                case 1:
                    147:                        yank_highlight(row1, col1, r, c);
                    148:                        yank_highlight(row1, col1, row2, col2);
                    149:                case 0:
                    150:                        continue;
                    151:                }
                    152:                break;
                    153:        }
                    154:        if (row2 < row1 || row2 == row1 && col2 < col1) {
                    155:                r = row1;
                    156:                c = col1;
                    157:                row1 = row2;
                    158:                col1 = col2;
                    159:                row2 = r;
                    160:                col2 = c;
                    161:        }
                    162:        unyank();
                    163:        c = col1;
                    164:        for (r = row1; r < row2; r++) {
                    165:                yank_line(r, c, w->ww_b.r);
                    166:                c = w->ww_b.l;
                    167:        }
                    168:        yank_line(r, c, col2);
                    169:        yank_highlight(row1, col1, row2, col2);
                    170:        if (!terse)
                    171:                wwputc('\n', cmdwin);
                    172: out:
                    173:        wwcursor(w, 1);
                    174: }
                    175:
                    176: yank_highlight(row1, col1, row2, col2)
                    177: {
                    178:        struct ww *w = selwin;
                    179:        int r, c;
                    180:
                    181:        if ((wwavailmodes & WWM_REV) == 0)
                    182:                return;
                    183:        if (row2 < row1 || row2 == row1 && col2 < col1) {
                    184:                r = row1;
                    185:                c = col1;
                    186:                row1 = row2;
                    187:                col1 = col2;
                    188:                row2 = r;
                    189:                col2 = c;
                    190:        }
                    191:        c = col1;
                    192:        for (r = row1; r < row2; r++) {
                    193:                yank_highlight_line(r, c, w->ww_b.r);
                    194:                c = w->ww_b.l;
                    195:        }
                    196:        yank_highlight_line(r, c, col2);
                    197: }
                    198:
                    199: yank_highlight_line(r, c, cend)
                    200: {
                    201:        struct ww *w = selwin;
                    202:        char *win;
                    203:
                    204:        if (r < w->ww_i.t || r >= w->ww_i.b)
                    205:                return;
                    206:        if (c < w->ww_i.l)
                    207:                c = w->ww_i.l;
                    208:        if (cend >= w->ww_i.r)
                    209:                cend = w->ww_i.r;
                    210:        for (win = w->ww_win[r] + c; c < cend; c++, win++) {
                    211:                *win ^= WWM_REV;
                    212:                if (wwsmap[r][c] == w->ww_index) {
                    213:                        if (*win == 0)
                    214:                                w->ww_nvis[r]++;
                    215:                        else if (*win == WWM_REV)
                    216:                                w->ww_nvis[r]--;
                    217:                        wwns[r][c].c_m ^= WWM_REV;
                    218:                        wwtouched[r] |= WWU_TOUCHED;
                    219:                }
                    220:        }
                    221: }
                    222:
                    223: unyank()
                    224: {
                    225:        struct yb *yp, *yq;
                    226:
                    227:        for (yp = yb_head; yp; yp = yq) {
                    228:                yq = yp->link;
                    229:                str_free(yp->line);
                    230:                free((char *) yp);
                    231:        }
                    232:        yb_head = yb_tail = 0;
                    233: }
                    234:
                    235: yank_line(r, c, cend)
                    236: {
                    237:        struct yb *yp;
                    238:        int nl = 0;
                    239:        int n;
                    240:        union ww_char *bp;
                    241:        char *cp;
                    242:
                    243:        if (c == cend)
                    244:                return;
                    245:        if ((yp = (struct yb *) malloc(sizeof *yp)) == 0)
                    246:                return;
                    247:        yp->link = 0;
                    248:        nl = cend == selwin->ww_b.r;
                    249:        bp = selwin->ww_buf[r];
                    250:        for (cend--; cend >= c; cend--)
                    251:                if (bp[cend].c_c != ' ')
                    252:                        break;
                    253:        yp->length = n = cend - c + 1;
                    254:        if (nl)
                    255:                yp->length++;
                    256:        yp->line = str_alloc(yp->length + 1);
                    257:        for (bp += c, cp = yp->line; --n >= 0;)
                    258:                *cp++ = bp++->c_c;
                    259:        if (nl)
                    260:                *cp++ = '\n';
                    261:        *cp = 0;
                    262:        if (yb_head)
                    263:                yb_tail = yb_tail->link = yp;
                    264:        else
                    265:                yb_head = yb_tail = yp;
                    266: }
                    267:
                    268: c_put()
                    269: {
                    270:        struct yb *yp;
                    271:
                    272:        for (yp = yb_head; yp; yp = yp->link)
                    273:                (void) write(selwin->ww_pty, yp->line, yp->length);
                    274: }