xref: /onnv-gate/usr/src/lib/libeti/menu/common/post.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
23*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  * Copyright (c) 1997, by Sun Mircrosystems, Inc.
28*0Sstevel@tonic-gate  * All rights reserved.
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #pragma	ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.12	*/
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate /*LINTLIBRARY*/
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #include <sys/types.h>
36*0Sstevel@tonic-gate #include "private.h"
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate void
_post_item(MENU * m,ITEM * k)39*0Sstevel@tonic-gate _post_item(MENU *m, ITEM *k)
40*0Sstevel@tonic-gate {
41*0Sstevel@tonic-gate 	int foreon = FALSE;
42*0Sstevel@tonic-gate 	int backon = FALSE;
43*0Sstevel@tonic-gate 	int greyon = FALSE;
44*0Sstevel@tonic-gate 	chtype c;
45*0Sstevel@tonic-gate 	int i;
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate 	/* Display the mark region of the item */
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate 	if (!Selectable(k)) {
50*0Sstevel@tonic-gate 		(void) wattron(Win(m), Grey(m));
51*0Sstevel@tonic-gate 		greyon = TRUE;
52*0Sstevel@tonic-gate 		for (i = Marklen(m); i > 0; i--) {
53*0Sstevel@tonic-gate 			(void) waddch(Win(m), ' ');
54*0Sstevel@tonic-gate 		}
55*0Sstevel@tonic-gate 	} else {
56*0Sstevel@tonic-gate 		if (Value(k) || k == Current(m)) {
57*0Sstevel@tonic-gate 			(void) wattron(Win(m), Fore(m));
58*0Sstevel@tonic-gate 			foreon = TRUE;
59*0Sstevel@tonic-gate 		} else {
60*0Sstevel@tonic-gate 			(void) wattron(Win(m), Back(m));
61*0Sstevel@tonic-gate 			backon = TRUE;
62*0Sstevel@tonic-gate 		}
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate 		/* Display the mark */
65*0Sstevel@tonic-gate 		if (Value(k) || (OneValue(m) && k == Current(m))) {
66*0Sstevel@tonic-gate 			if (Marklen(m)) {
67*0Sstevel@tonic-gate 				(void) waddstr(Win(m), Mark(m));
68*0Sstevel@tonic-gate 			}
69*0Sstevel@tonic-gate 		} else {
70*0Sstevel@tonic-gate 			for (i = Marklen(m); i > 0; i--) {
71*0Sstevel@tonic-gate 				(void) waddch(Win(m), ' ');
72*0Sstevel@tonic-gate 			}
73*0Sstevel@tonic-gate 		}
74*0Sstevel@tonic-gate 	}
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate 	/* Display the name */
77*0Sstevel@tonic-gate 
78*0Sstevel@tonic-gate 	(void) waddnstr(Win(m), Name(k), MaxName(m));
79*0Sstevel@tonic-gate 	if (ShowDesc(m) && MaxDesc(m) != 0) {
80*0Sstevel@tonic-gate 		c = Pad(m);
81*0Sstevel@tonic-gate 	} else {
82*0Sstevel@tonic-gate 		c = ' ';
83*0Sstevel@tonic-gate 	}
84*0Sstevel@tonic-gate 	for (i = MaxName(m) - NameLen(k); i > 0; i--) {
85*0Sstevel@tonic-gate 		(void) waddch(Win(m), c);
86*0Sstevel@tonic-gate 	}
87*0Sstevel@tonic-gate 
88*0Sstevel@tonic-gate 	/* Display the description */
89*0Sstevel@tonic-gate 
90*0Sstevel@tonic-gate 	if (ShowDesc(m) && MaxDesc(m) != 0) {
91*0Sstevel@tonic-gate 		(void) waddch(Win(m), Pad(m));
92*0Sstevel@tonic-gate 		if (DescriptionLen(k) != 0) {
93*0Sstevel@tonic-gate 			(void) waddstr(Win(m), Description(k));
94*0Sstevel@tonic-gate 		}
95*0Sstevel@tonic-gate 		for (i = MaxDesc(m) - DescriptionLen(k); i > 0; i--) {
96*0Sstevel@tonic-gate 			(void) waddch(Win(m), ' ');
97*0Sstevel@tonic-gate 		}
98*0Sstevel@tonic-gate 	}
99*0Sstevel@tonic-gate 	if (foreon) {
100*0Sstevel@tonic-gate 		(void) wattroff(Win(m), Fore(m));
101*0Sstevel@tonic-gate 	}
102*0Sstevel@tonic-gate 	if (backon) {
103*0Sstevel@tonic-gate 		(void) wattroff(Win(m), Back(m));
104*0Sstevel@tonic-gate 	}
105*0Sstevel@tonic-gate 	if (greyon) {
106*0Sstevel@tonic-gate 		(void) wattroff(Win(m), Grey(m));
107*0Sstevel@tonic-gate 	}
108*0Sstevel@tonic-gate }
109*0Sstevel@tonic-gate 
110*0Sstevel@tonic-gate void
_move_post_item(MENU * m,ITEM * k)111*0Sstevel@tonic-gate _move_post_item(MENU *m, ITEM *k)
112*0Sstevel@tonic-gate {
113*0Sstevel@tonic-gate 	(void) wmove(Win(m), Y(k), X(k) * (Itemlen(m)+1));
114*0Sstevel@tonic-gate 	_post_item(m, k);
115*0Sstevel@tonic-gate }
116*0Sstevel@tonic-gate 
117*0Sstevel@tonic-gate int
unpost_menu(MENU * m)118*0Sstevel@tonic-gate unpost_menu(MENU *m)
119*0Sstevel@tonic-gate {
120*0Sstevel@tonic-gate 	if (!m) {
121*0Sstevel@tonic-gate 		return (E_BAD_ARGUMENT);
122*0Sstevel@tonic-gate 	}
123*0Sstevel@tonic-gate 	if (Indriver(m)) {
124*0Sstevel@tonic-gate 		return (E_BAD_STATE);
125*0Sstevel@tonic-gate 	}
126*0Sstevel@tonic-gate 	if (!Posted(m)) {
127*0Sstevel@tonic-gate 		return (E_NOT_POSTED);
128*0Sstevel@tonic-gate 	}
129*0Sstevel@tonic-gate 	Iterm(m);
130*0Sstevel@tonic-gate 	Mterm(m);
131*0Sstevel@tonic-gate 	(void) werase(US(m));
132*0Sstevel@tonic-gate 	wsyncup(US(m));
133*0Sstevel@tonic-gate 	(void) delwin(Sub(m));
134*0Sstevel@tonic-gate 	Sub(m) = (WINDOW *) NULL;
135*0Sstevel@tonic-gate 	(void) delwin(Win(m));
136*0Sstevel@tonic-gate 	Win(m) = (WINDOW *) NULL;
137*0Sstevel@tonic-gate 	ResetPost(m);
138*0Sstevel@tonic-gate 	return (E_OK);
139*0Sstevel@tonic-gate }
140*0Sstevel@tonic-gate 
141*0Sstevel@tonic-gate /*
142*0Sstevel@tonic-gate  * This routine draws the item indicated by oldcur first and then
143*0Sstevel@tonic-gate  * draws the item indicated by Current.  This will have the affect
144*0Sstevel@tonic-gate  * of unselecting the first item and selecting the next.
145*0Sstevel@tonic-gate  */
146*0Sstevel@tonic-gate void
_movecurrent(MENU * m,ITEM * oldcur)147*0Sstevel@tonic-gate _movecurrent(MENU *m, ITEM *oldcur)
148*0Sstevel@tonic-gate {
149*0Sstevel@tonic-gate 	if (oldcur != Current(m)) {
150*0Sstevel@tonic-gate 		_move_post_item(m, oldcur);
151*0Sstevel@tonic-gate 		_move_post_item(m, Current(m));
152*0Sstevel@tonic-gate 	}
153*0Sstevel@tonic-gate }
154*0Sstevel@tonic-gate 
155*0Sstevel@tonic-gate /*
156*0Sstevel@tonic-gate  * Draw the entire menu into the super window
157*0Sstevel@tonic-gate  * This routine assumes all items have been linked and
158*0Sstevel@tonic-gate  * that the menu is in at least a pre-post state.
159*0Sstevel@tonic-gate  */
160*0Sstevel@tonic-gate 
161*0Sstevel@tonic-gate void
_draw(MENU * m)162*0Sstevel@tonic-gate _draw(MENU *m)
163*0Sstevel@tonic-gate {
164*0Sstevel@tonic-gate 	int k;
165*0Sstevel@tonic-gate 	ITEM *i, *j;
166*0Sstevel@tonic-gate 	ITEM *si, *sj;
167*0Sstevel@tonic-gate 
168*0Sstevel@tonic-gate 	k = 0;		/* Line number */
169*0Sstevel@tonic-gate 	i = IthItem(m, 0);
170*0Sstevel@tonic-gate 	si = Cyclic(m) ? i : (ITEM *) NULL;
171*0Sstevel@tonic-gate 	do {
172*0Sstevel@tonic-gate 		(void) wmove(Win(m), k++, 0);
173*0Sstevel@tonic-gate 		j = i;
174*0Sstevel@tonic-gate 		sj = Cyclic(m) ? j : (ITEM *) NULL;
175*0Sstevel@tonic-gate 		do {
176*0Sstevel@tonic-gate 			_post_item(m, j);
177*0Sstevel@tonic-gate 			if ((j = Right(j)) != sj) {
178*0Sstevel@tonic-gate 				(void) waddch(Win(m), ' ');
179*0Sstevel@tonic-gate 			}
180*0Sstevel@tonic-gate 		} while (j != sj);
181*0Sstevel@tonic-gate 	} while ((i = Down(i)) != si);
182*0Sstevel@tonic-gate }
183*0Sstevel@tonic-gate 
184*0Sstevel@tonic-gate int
post_menu(MENU * m)185*0Sstevel@tonic-gate post_menu(MENU *m)
186*0Sstevel@tonic-gate {
187*0Sstevel@tonic-gate 	ITEM **ip;
188*0Sstevel@tonic-gate 	int r, c;		/* visible # of rows and cols */
189*0Sstevel@tonic-gate 
190*0Sstevel@tonic-gate 	if (!m) {
191*0Sstevel@tonic-gate 		return (E_BAD_ARGUMENT);
192*0Sstevel@tonic-gate 	}
193*0Sstevel@tonic-gate 	if (Indriver(m)) {
194*0Sstevel@tonic-gate 		return (E_BAD_STATE);
195*0Sstevel@tonic-gate 	}
196*0Sstevel@tonic-gate 	if (Posted(m)) {
197*0Sstevel@tonic-gate 		return (E_POSTED);
198*0Sstevel@tonic-gate 	}
199*0Sstevel@tonic-gate 	/* Make sure there is at least one item present */
200*0Sstevel@tonic-gate 	if (Items(m) && IthItem(m, 0)) {
201*0Sstevel@tonic-gate 		getmaxyx(US(m), r, c);
202*0Sstevel@tonic-gate 
203*0Sstevel@tonic-gate 		/* Make sure the menu fits into the window horizontally */
204*0Sstevel@tonic-gate 		if (c < Width(m) || r < Height(m)) {
205*0Sstevel@tonic-gate 			return (E_NO_ROOM);
206*0Sstevel@tonic-gate 		}
207*0Sstevel@tonic-gate 
208*0Sstevel@tonic-gate 		/* Create the menu window and derived windows */
209*0Sstevel@tonic-gate 		if ((Win(m) = newwin(Rows(m), Width(m), 0, 0)) ==
210*0Sstevel@tonic-gate 		    (WINDOW *) NULL) {
211*0Sstevel@tonic-gate 			return (E_SYSTEM_ERROR);
212*0Sstevel@tonic-gate 		}
213*0Sstevel@tonic-gate 
214*0Sstevel@tonic-gate 		/*
215*0Sstevel@tonic-gate 		 * Take the minimum of the height of the menu (Height), the
216*0Sstevel@tonic-gate 		 * physical height of the window (r), and the number of rows
217*0Sstevel@tonic-gate 		 * in the menu (Rows).
218*0Sstevel@tonic-gate 		 */
219*0Sstevel@tonic-gate 		r = min(min(r, Rows(m)), Height(m));
220*0Sstevel@tonic-gate 
221*0Sstevel@tonic-gate 		if ((Sub(m) = derwin(Win(m), r, Width(m), 0, 0)) ==
222*0Sstevel@tonic-gate 		    (WINDOW *)  NULL) {
223*0Sstevel@tonic-gate 			return (E_SYSTEM_ERROR);
224*0Sstevel@tonic-gate 		}
225*0Sstevel@tonic-gate 
226*0Sstevel@tonic-gate 		/* If needed, link all items in the menu */
227*0Sstevel@tonic-gate 		if (LinkNeeded(m)) {
228*0Sstevel@tonic-gate 			_link_items(m);
229*0Sstevel@tonic-gate 		}
230*0Sstevel@tonic-gate 
231*0Sstevel@tonic-gate 		SetPost(m);
232*0Sstevel@tonic-gate 
233*0Sstevel@tonic-gate 		/* If only one value can be set then unset all values */
234*0Sstevel@tonic-gate 		/* to start. */
235*0Sstevel@tonic-gate 		if (OneValue(m)) {
236*0Sstevel@tonic-gate 			for (ip = Items(m); *ip; ip++) {
237*0Sstevel@tonic-gate 				Value(*ip) = FALSE;
238*0Sstevel@tonic-gate 			}
239*0Sstevel@tonic-gate 		}
240*0Sstevel@tonic-gate 
241*0Sstevel@tonic-gate 		/* Go do the drawing of the menu */
242*0Sstevel@tonic-gate 		_draw(m);
243*0Sstevel@tonic-gate 
244*0Sstevel@tonic-gate 		Minit(m);
245*0Sstevel@tonic-gate 		Iinit(m);
246*0Sstevel@tonic-gate 		_show(m);		/* Display the menu */
247*0Sstevel@tonic-gate 		return (E_OK);
248*0Sstevel@tonic-gate 	}
249*0Sstevel@tonic-gate 	return (E_NOT_CONNECTED);
250*0Sstevel@tonic-gate }
251