17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate * with the License.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate * and limitations under the License.
137c478bd9Sstevel@tonic-gate *
147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate *
207c478bd9Sstevel@tonic-gate * CDDL HEADER END
217c478bd9Sstevel@tonic-gate */
227c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
237c478bd9Sstevel@tonic-gate /* All Rights Reserved */
247c478bd9Sstevel@tonic-gate
257c478bd9Sstevel@tonic-gate
267c478bd9Sstevel@tonic-gate /*
277c478bd9Sstevel@tonic-gate * Copyright (c) 1997, by Sun Mircrosystems, Inc.
287c478bd9Sstevel@tonic-gate * All rights reserved.
297c478bd9Sstevel@tonic-gate */
307c478bd9Sstevel@tonic-gate
317c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
327c478bd9Sstevel@tonic-gate
337c478bd9Sstevel@tonic-gate #include <sys/types.h>
347c478bd9Sstevel@tonic-gate #include "private.h"
357c478bd9Sstevel@tonic-gate
367c478bd9Sstevel@tonic-gate int
menu_driver(MENU * m,int c)377c478bd9Sstevel@tonic-gate menu_driver(MENU *m, int c)
387c478bd9Sstevel@tonic-gate {
397c478bd9Sstevel@tonic-gate int i, n;
407c478bd9Sstevel@tonic-gate int top;
417c478bd9Sstevel@tonic-gate ITEM *current;
427c478bd9Sstevel@tonic-gate int ret;
437c478bd9Sstevel@tonic-gate
447c478bd9Sstevel@tonic-gate if (!m) {
457c478bd9Sstevel@tonic-gate return (E_BAD_ARGUMENT);
467c478bd9Sstevel@tonic-gate }
477c478bd9Sstevel@tonic-gate ret = E_OK;
487c478bd9Sstevel@tonic-gate if (Indriver(m)) {
497c478bd9Sstevel@tonic-gate return (E_BAD_STATE);
507c478bd9Sstevel@tonic-gate }
517c478bd9Sstevel@tonic-gate if (!Posted(m)) {
527c478bd9Sstevel@tonic-gate return (E_NOT_POSTED);
537c478bd9Sstevel@tonic-gate }
547c478bd9Sstevel@tonic-gate top = Top(m);
557c478bd9Sstevel@tonic-gate current = Current(m);
567c478bd9Sstevel@tonic-gate
577c478bd9Sstevel@tonic-gate if (c > KEY_MAX && c < MAX_COMMAND) {
587c478bd9Sstevel@tonic-gate
597c478bd9Sstevel@tonic-gate /* Clear the pattern buffer if not one of these requests */
607c478bd9Sstevel@tonic-gate if (c != REQ_BACK_PATTERN &&
617c478bd9Sstevel@tonic-gate c != REQ_NEXT_MATCH &&
627c478bd9Sstevel@tonic-gate c != REQ_PREV_MATCH) {
637c478bd9Sstevel@tonic-gate Pindex(m) = 0;
647c478bd9Sstevel@tonic-gate IthPattern(m, 0) = '\0';
657c478bd9Sstevel@tonic-gate }
667c478bd9Sstevel@tonic-gate
677c478bd9Sstevel@tonic-gate switch (c) {
687c478bd9Sstevel@tonic-gate
697c478bd9Sstevel@tonic-gate case REQ_RIGHT_ITEM: {
707c478bd9Sstevel@tonic-gate if (Right(current) == (ITEM *)0) {
717c478bd9Sstevel@tonic-gate ret = E_REQUEST_DENIED;
727c478bd9Sstevel@tonic-gate break;
737c478bd9Sstevel@tonic-gate }
747c478bd9Sstevel@tonic-gate current = Right(current);
757c478bd9Sstevel@tonic-gate break;
767c478bd9Sstevel@tonic-gate }
777c478bd9Sstevel@tonic-gate case REQ_LEFT_ITEM: {
787c478bd9Sstevel@tonic-gate if (Left(current) == (ITEM *)0) {
797c478bd9Sstevel@tonic-gate ret = E_REQUEST_DENIED;
807c478bd9Sstevel@tonic-gate break;
817c478bd9Sstevel@tonic-gate }
827c478bd9Sstevel@tonic-gate current = Left(current);
837c478bd9Sstevel@tonic-gate break;
847c478bd9Sstevel@tonic-gate }
857c478bd9Sstevel@tonic-gate case REQ_UP_ITEM: {
867c478bd9Sstevel@tonic-gate if (Up(current) == (ITEM *)0) {
877c478bd9Sstevel@tonic-gate ret = E_REQUEST_DENIED;
887c478bd9Sstevel@tonic-gate break;
897c478bd9Sstevel@tonic-gate }
907c478bd9Sstevel@tonic-gate current = Up(current);
917c478bd9Sstevel@tonic-gate break;
927c478bd9Sstevel@tonic-gate }
937c478bd9Sstevel@tonic-gate case REQ_DOWN_ITEM: {
947c478bd9Sstevel@tonic-gate if (Down(current) == (ITEM *)0) {
957c478bd9Sstevel@tonic-gate ret = E_REQUEST_DENIED;
967c478bd9Sstevel@tonic-gate break;
977c478bd9Sstevel@tonic-gate }
987c478bd9Sstevel@tonic-gate current = Down(current);
997c478bd9Sstevel@tonic-gate break;
1007c478bd9Sstevel@tonic-gate }
1017c478bd9Sstevel@tonic-gate case REQ_SCR_ULINE: {
1027c478bd9Sstevel@tonic-gate if (--top < 0) {
1037c478bd9Sstevel@tonic-gate ++top;
1047c478bd9Sstevel@tonic-gate ret = E_REQUEST_DENIED;
1057c478bd9Sstevel@tonic-gate break;
1067c478bd9Sstevel@tonic-gate }
1077c478bd9Sstevel@tonic-gate current = Up(current);
1087c478bd9Sstevel@tonic-gate break;
1097c478bd9Sstevel@tonic-gate }
1107c478bd9Sstevel@tonic-gate case REQ_SCR_DLINE: {
1117c478bd9Sstevel@tonic-gate if (++top > Rows(m) - Height(m)) {
1127c478bd9Sstevel@tonic-gate --top;
1137c478bd9Sstevel@tonic-gate ret = E_REQUEST_DENIED;
1147c478bd9Sstevel@tonic-gate break;
1157c478bd9Sstevel@tonic-gate }
1167c478bd9Sstevel@tonic-gate current = Down(current);
1177c478bd9Sstevel@tonic-gate break;
1187c478bd9Sstevel@tonic-gate }
1197c478bd9Sstevel@tonic-gate case REQ_SCR_UPAGE: {
1207c478bd9Sstevel@tonic-gate n = min(Height(m), top);
1217c478bd9Sstevel@tonic-gate if (n) {
1227c478bd9Sstevel@tonic-gate top -= n;
1237c478bd9Sstevel@tonic-gate for (i = n; i--; ) {
1247c478bd9Sstevel@tonic-gate current = Up(current);
1257c478bd9Sstevel@tonic-gate }
1267c478bd9Sstevel@tonic-gate } else {
1277c478bd9Sstevel@tonic-gate ret = E_REQUEST_DENIED;
1287c478bd9Sstevel@tonic-gate break;
1297c478bd9Sstevel@tonic-gate }
1307c478bd9Sstevel@tonic-gate break;
1317c478bd9Sstevel@tonic-gate }
1327c478bd9Sstevel@tonic-gate case REQ_SCR_DPAGE: {
1337c478bd9Sstevel@tonic-gate n = min(Height(m), Rows(m) - Height(m) - top);
1347c478bd9Sstevel@tonic-gate if (n) {
1357c478bd9Sstevel@tonic-gate top += n;
1367c478bd9Sstevel@tonic-gate for (i = n; i--; ) {
1377c478bd9Sstevel@tonic-gate current = Down(current);
1387c478bd9Sstevel@tonic-gate }
1397c478bd9Sstevel@tonic-gate } else {
1407c478bd9Sstevel@tonic-gate ret = E_REQUEST_DENIED;
1417c478bd9Sstevel@tonic-gate break;
1427c478bd9Sstevel@tonic-gate }
1437c478bd9Sstevel@tonic-gate break;
1447c478bd9Sstevel@tonic-gate }
1457c478bd9Sstevel@tonic-gate case REQ_FIRST_ITEM: {
1467c478bd9Sstevel@tonic-gate current = IthItem(m, 0);
1477c478bd9Sstevel@tonic-gate break;
1487c478bd9Sstevel@tonic-gate }
1497c478bd9Sstevel@tonic-gate case REQ_LAST_ITEM: {
1507c478bd9Sstevel@tonic-gate current = IthItem(m, Nitems(m)-1);
1517c478bd9Sstevel@tonic-gate break;
1527c478bd9Sstevel@tonic-gate }
1537c478bd9Sstevel@tonic-gate case REQ_NEXT_MATCH: {
154*03d5549bSToomas Soome if (IthPattern(m, 0) != '\0') {
155*03d5549bSToomas Soome ret = _match(m, '\0', ¤t);
1567c478bd9Sstevel@tonic-gate } else {
1577c478bd9Sstevel@tonic-gate if (Index(current)+1 >= Nitems(m)) {
1587c478bd9Sstevel@tonic-gate current = IthItem(m, 0);
1597c478bd9Sstevel@tonic-gate } else {
1607c478bd9Sstevel@tonic-gate current = IthItem(m, Index(current)+1);
1617c478bd9Sstevel@tonic-gate }
1627c478bd9Sstevel@tonic-gate }
1637c478bd9Sstevel@tonic-gate break;
1647c478bd9Sstevel@tonic-gate }
1657c478bd9Sstevel@tonic-gate case REQ_NEXT_ITEM: {
1667c478bd9Sstevel@tonic-gate if (Index(current)+1 >= Nitems(m)) {
1677c478bd9Sstevel@tonic-gate if (Cyclic(m)) {
1687c478bd9Sstevel@tonic-gate current = IthItem(m, 0);
1697c478bd9Sstevel@tonic-gate } else {
1707c478bd9Sstevel@tonic-gate ret = E_REQUEST_DENIED;
1717c478bd9Sstevel@tonic-gate }
1727c478bd9Sstevel@tonic-gate } else {
1737c478bd9Sstevel@tonic-gate current = IthItem(m, Index(current)+1);
1747c478bd9Sstevel@tonic-gate }
1757c478bd9Sstevel@tonic-gate break;
1767c478bd9Sstevel@tonic-gate }
1777c478bd9Sstevel@tonic-gate case REQ_PREV_MATCH: {
178*03d5549bSToomas Soome if (IthPattern(m, 0) != '\0') {
1797c478bd9Sstevel@tonic-gate ret = _match(m, '\b', ¤t);
1807c478bd9Sstevel@tonic-gate } else {
1817c478bd9Sstevel@tonic-gate /* This differs from PREV_ITEM in that */
1827c478bd9Sstevel@tonic-gate /* it is cyclic */
1837c478bd9Sstevel@tonic-gate if (Index(current)-1 < 0) {
1847c478bd9Sstevel@tonic-gate current = IthItem(m, Nitems(m)-1);
1857c478bd9Sstevel@tonic-gate } else {
1867c478bd9Sstevel@tonic-gate current = IthItem(m, Index(current)-1);
1877c478bd9Sstevel@tonic-gate }
1887c478bd9Sstevel@tonic-gate }
1897c478bd9Sstevel@tonic-gate break;
1907c478bd9Sstevel@tonic-gate }
1917c478bd9Sstevel@tonic-gate case REQ_PREV_ITEM: {
1927c478bd9Sstevel@tonic-gate if (Index(current)-1 < 0) {
1937c478bd9Sstevel@tonic-gate if (Cyclic(m)) {
1947c478bd9Sstevel@tonic-gate current = IthItem(m, Nitems(m)-1);
1957c478bd9Sstevel@tonic-gate } else {
1967c478bd9Sstevel@tonic-gate ret = E_REQUEST_DENIED;
1977c478bd9Sstevel@tonic-gate }
1987c478bd9Sstevel@tonic-gate } else {
1997c478bd9Sstevel@tonic-gate current = IthItem(m, Index(current)-1);
2007c478bd9Sstevel@tonic-gate }
2017c478bd9Sstevel@tonic-gate break;
2027c478bd9Sstevel@tonic-gate }
2037c478bd9Sstevel@tonic-gate case REQ_TOGGLE_ITEM: {
2047c478bd9Sstevel@tonic-gate if (!OneValue(m)) {
2057c478bd9Sstevel@tonic-gate if (Selectable(Current(m))) {
2067c478bd9Sstevel@tonic-gate Value(Current(m)) ^= TRUE;
2077c478bd9Sstevel@tonic-gate _move_post_item(m, Current(m));
2087c478bd9Sstevel@tonic-gate _show(m);
2097c478bd9Sstevel@tonic-gate } else {
2107c478bd9Sstevel@tonic-gate ret = E_NOT_SELECTABLE;
2117c478bd9Sstevel@tonic-gate }
2127c478bd9Sstevel@tonic-gate } else {
2137c478bd9Sstevel@tonic-gate ret = E_REQUEST_DENIED;
2147c478bd9Sstevel@tonic-gate }
2157c478bd9Sstevel@tonic-gate break;
2167c478bd9Sstevel@tonic-gate }
2177c478bd9Sstevel@tonic-gate case REQ_BACK_PATTERN: {
2187c478bd9Sstevel@tonic-gate if (Pindex(m) > 0) {
2197c478bd9Sstevel@tonic-gate Pindex(m) -= 1;
2207c478bd9Sstevel@tonic-gate IthPattern(m, Pindex(m)) = '\0';
2217c478bd9Sstevel@tonic-gate _position_cursor(m);
2227c478bd9Sstevel@tonic-gate } else {
2237c478bd9Sstevel@tonic-gate ret = E_REQUEST_DENIED;
2247c478bd9Sstevel@tonic-gate }
2257c478bd9Sstevel@tonic-gate break;
2267c478bd9Sstevel@tonic-gate }
2277c478bd9Sstevel@tonic-gate case REQ_CLEAR_PATTERN: {
2287c478bd9Sstevel@tonic-gate /* This was already done at the top */
2297c478bd9Sstevel@tonic-gate break;
2307c478bd9Sstevel@tonic-gate }
2317c478bd9Sstevel@tonic-gate default: {
2327c478bd9Sstevel@tonic-gate ret = E_UNKNOWN_COMMAND;
2337c478bd9Sstevel@tonic-gate }
2347c478bd9Sstevel@tonic-gate }
2357c478bd9Sstevel@tonic-gate } else {
2367c478bd9Sstevel@tonic-gate if (c > 037 && c < 0177) {
2377c478bd9Sstevel@tonic-gate /*LINTED [E_PASS_INT_TO_SMALL_INT]*/
2387c478bd9Sstevel@tonic-gate ret = _match(m, c, ¤t);
2397c478bd9Sstevel@tonic-gate } else {
2407c478bd9Sstevel@tonic-gate ret = E_UNKNOWN_COMMAND;
2417c478bd9Sstevel@tonic-gate }
2427c478bd9Sstevel@tonic-gate }
2437c478bd9Sstevel@tonic-gate
2447c478bd9Sstevel@tonic-gate /* Verify the location of the top row */
2457c478bd9Sstevel@tonic-gate
2467c478bd9Sstevel@tonic-gate _chk_top(m, &top, current);
2477c478bd9Sstevel@tonic-gate
2487c478bd9Sstevel@tonic-gate /* Go change the actual values of Top and Current and do init/term */
2497c478bd9Sstevel@tonic-gate
2507c478bd9Sstevel@tonic-gate _affect_change(m, top, current);
2517c478bd9Sstevel@tonic-gate
2527c478bd9Sstevel@tonic-gate return (ret);
2537c478bd9Sstevel@tonic-gate }
254