1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /* Copyright (c) 1988 AT&T */
23 /* All Rights Reserved */
24
25
26 /*
27 * Copyright (c) 1997, by Sun Mircrosystems, Inc.
28 * All rights reserved.
29 */
30
31 /*LINTLIBRARY*/
32
33 #include <sys/types.h>
34 #include "private.h"
35
36 void
_post_item(MENU * m,ITEM * k)37 _post_item(MENU *m, ITEM *k)
38 {
39 int foreon = FALSE;
40 int backon = FALSE;
41 int greyon = FALSE;
42 chtype c;
43 int i;
44
45 /* Display the mark region of the item */
46
47 if (!Selectable(k)) {
48 (void) wattron(Win(m), Grey(m));
49 greyon = TRUE;
50 for (i = Marklen(m); i > 0; i--) {
51 (void) waddch(Win(m), ' ');
52 }
53 } else {
54 if (Value(k) || k == Current(m)) {
55 (void) wattron(Win(m), Fore(m));
56 foreon = TRUE;
57 } else {
58 (void) wattron(Win(m), Back(m));
59 backon = TRUE;
60 }
61
62 /* Display the mark */
63 if (Value(k) || (OneValue(m) && k == Current(m))) {
64 if (Marklen(m)) {
65 (void) waddstr(Win(m), Mark(m));
66 }
67 } else {
68 for (i = Marklen(m); i > 0; i--) {
69 (void) waddch(Win(m), ' ');
70 }
71 }
72 }
73
74 /* Display the name */
75
76 (void) waddnstr(Win(m), Name(k), MaxName(m));
77 if (ShowDesc(m) && MaxDesc(m) != 0) {
78 c = Pad(m);
79 } else {
80 c = ' ';
81 }
82 for (i = MaxName(m) - NameLen(k); i > 0; i--) {
83 (void) waddch(Win(m), c);
84 }
85
86 /* Display the description */
87
88 if (ShowDesc(m) && MaxDesc(m) != 0) {
89 (void) waddch(Win(m), Pad(m));
90 if (DescriptionLen(k) != 0) {
91 (void) waddstr(Win(m), Description(k));
92 }
93 for (i = MaxDesc(m) - DescriptionLen(k); i > 0; i--) {
94 (void) waddch(Win(m), ' ');
95 }
96 }
97 if (foreon) {
98 (void) wattroff(Win(m), Fore(m));
99 }
100 if (backon) {
101 (void) wattroff(Win(m), Back(m));
102 }
103 if (greyon) {
104 (void) wattroff(Win(m), Grey(m));
105 }
106 }
107
108 void
_move_post_item(MENU * m,ITEM * k)109 _move_post_item(MENU *m, ITEM *k)
110 {
111 (void) wmove(Win(m), Y(k), X(k) * (Itemlen(m)+1));
112 _post_item(m, k);
113 }
114
115 int
unpost_menu(MENU * m)116 unpost_menu(MENU *m)
117 {
118 if (!m) {
119 return (E_BAD_ARGUMENT);
120 }
121 if (Indriver(m)) {
122 return (E_BAD_STATE);
123 }
124 if (!Posted(m)) {
125 return (E_NOT_POSTED);
126 }
127 Iterm(m);
128 Mterm(m);
129 (void) werase(US(m));
130 wsyncup(US(m));
131 (void) delwin(Sub(m));
132 Sub(m) = (WINDOW *) NULL;
133 (void) delwin(Win(m));
134 Win(m) = (WINDOW *) NULL;
135 ResetPost(m);
136 return (E_OK);
137 }
138
139 /*
140 * This routine draws the item indicated by oldcur first and then
141 * draws the item indicated by Current. This will have the affect
142 * of unselecting the first item and selecting the next.
143 */
144 void
_movecurrent(MENU * m,ITEM * oldcur)145 _movecurrent(MENU *m, ITEM *oldcur)
146 {
147 if (oldcur != Current(m)) {
148 _move_post_item(m, oldcur);
149 _move_post_item(m, Current(m));
150 }
151 }
152
153 /*
154 * Draw the entire menu into the super window
155 * This routine assumes all items have been linked and
156 * that the menu is in at least a pre-post state.
157 */
158
159 void
_draw(MENU * m)160 _draw(MENU *m)
161 {
162 int k;
163 ITEM *i, *j;
164 ITEM *si, *sj;
165
166 k = 0; /* Line number */
167 i = IthItem(m, 0);
168 si = Cyclic(m) ? i : (ITEM *) NULL;
169 do {
170 (void) wmove(Win(m), k++, 0);
171 j = i;
172 sj = Cyclic(m) ? j : (ITEM *) NULL;
173 do {
174 _post_item(m, j);
175 if ((j = Right(j)) != sj) {
176 (void) waddch(Win(m), ' ');
177 }
178 } while (j != sj);
179 } while ((i = Down(i)) != si);
180 }
181
182 int
post_menu(MENU * m)183 post_menu(MENU *m)
184 {
185 ITEM **ip;
186 int r, c; /* visible # of rows and cols */
187
188 if (!m) {
189 return (E_BAD_ARGUMENT);
190 }
191 if (Indriver(m)) {
192 return (E_BAD_STATE);
193 }
194 if (Posted(m)) {
195 return (E_POSTED);
196 }
197 /* Make sure there is at least one item present */
198 if (Items(m) && IthItem(m, 0)) {
199 getmaxyx(US(m), r, c);
200
201 /* Make sure the menu fits into the window horizontally */
202 if (c < Width(m) || r < Height(m)) {
203 return (E_NO_ROOM);
204 }
205
206 /* Create the menu window and derived windows */
207 if ((Win(m) = newwin(Rows(m), Width(m), 0, 0)) ==
208 (WINDOW *) NULL) {
209 return (E_SYSTEM_ERROR);
210 }
211
212 /*
213 * Take the minimum of the height of the menu (Height), the
214 * physical height of the window (r), and the number of rows
215 * in the menu (Rows).
216 */
217 r = min(min(r, Rows(m)), Height(m));
218
219 if ((Sub(m) = derwin(Win(m), r, Width(m), 0, 0)) ==
220 (WINDOW *) NULL) {
221 return (E_SYSTEM_ERROR);
222 }
223
224 /* If needed, link all items in the menu */
225 if (LinkNeeded(m)) {
226 _link_items(m);
227 }
228
229 SetPost(m);
230
231 /* If only one value can be set then unset all values */
232 /* to start. */
233 if (OneValue(m)) {
234 for (ip = Items(m); *ip; ip++) {
235 Value(*ip) = FALSE;
236 }
237 }
238
239 /* Go do the drawing of the menu */
240 _draw(m);
241
242 Minit(m);
243 Iinit(m);
244 _show(m); /* Display the menu */
245 return (E_OK);
246 }
247 return (E_NOT_CONNECTED);
248 }
249