xref: /onnv-gate/usr/src/lib/libcurses/screen/waddch.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 /*
23*0Sstevel@tonic-gate  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
28*0Sstevel@tonic-gate /*	  All Rights Reserved	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate  * The Regents of the University of California
33*0Sstevel@tonic-gate  * All Rights Reserved
34*0Sstevel@tonic-gate  *
35*0Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate  * contributors.
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate /*LINTLIBRARY*/
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate #include	<sys/types.h>
45*0Sstevel@tonic-gate #include	"curses_inc.h"
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate /*
48*0Sstevel@tonic-gate  * This routine prints the character in the current position.
49*0Sstevel@tonic-gate  * Think of it as putc.
50*0Sstevel@tonic-gate  */
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate int
waddch(WINDOW * win,chtype c)53*0Sstevel@tonic-gate waddch(WINDOW *win, chtype c)
54*0Sstevel@tonic-gate {
55*0Sstevel@tonic-gate 	short	x = win->_curx;
56*0Sstevel@tonic-gate 	short	y = win->_cury;
57*0Sstevel@tonic-gate 	chtype	rawc = _CHAR(c);
58*0Sstevel@tonic-gate 	chtype	rawattrs = _ATTR(c);
59*0Sstevel@tonic-gate 	int	rv = OK;
60*0Sstevel@tonic-gate 	bool	savimmed = win->_immed;
61*0Sstevel@tonic-gate 	bool	savsync = win->_sync;
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate 	win->_immed = win->_sync = FALSE;
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate #ifdef	DEBUG
66*0Sstevel@tonic-gate 	if (outf)
67*0Sstevel@tonic-gate 		if (c == rawc)
68*0Sstevel@tonic-gate 			fprintf(outf, "'%c'", rawc);
69*0Sstevel@tonic-gate 		else
70*0Sstevel@tonic-gate 			fprintf(outf, "'%c' %o, raw %o", c, c, rawc);
71*0Sstevel@tonic-gate #endif	/* DEBUG */
72*0Sstevel@tonic-gate 
73*0Sstevel@tonic-gate 	win->_insmode = FALSE;
74*0Sstevel@tonic-gate 	if (_scrmax > 1 && _mbvalid(win) == ERR)
75*0Sstevel@tonic-gate 		goto next;
76*0Sstevel@tonic-gate 	if (_mbtrue && ISMBIT(rawc)) {
77*0Sstevel@tonic-gate 		rv = _mbaddch(win, rawattrs, RBYTE(rawc));
78*0Sstevel@tonic-gate 		win->_immed = savimmed;
79*0Sstevel@tonic-gate 		win->_sync = savsync;
80*0Sstevel@tonic-gate 		goto nextw;
81*0Sstevel@tonic-gate 	}
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate 	switch (rawc) {
84*0Sstevel@tonic-gate 		case '\n':
85*0Sstevel@tonic-gate 			(void) wclrtoeol(win);
86*0Sstevel@tonic-gate 			goto new_line;
87*0Sstevel@tonic-gate 		case '\r':
88*0Sstevel@tonic-gate 			goto move_to_begin_line;
89*0Sstevel@tonic-gate 		case '\b':
90*0Sstevel@tonic-gate 			if (--x < 0)
91*0Sstevel@tonic-gate move_to_begin_line:
92*0Sstevel@tonic-gate 				x = 0;
93*0Sstevel@tonic-gate 			win->_curx = x;
94*0Sstevel@tonic-gate 			win->_flags |= _WINMOVED;
95*0Sstevel@tonic-gate 			goto out_move_only;
96*0Sstevel@tonic-gate 		default:
97*0Sstevel@tonic-gate 			if (rawc < ' ' || rawc == _CTRL('?')) {
98*0Sstevel@tonic-gate 				if (rawc == '\t') {
99*0Sstevel@tonic-gate 					int	newx;
100*0Sstevel@tonic-gate 					chtype	space = ' ' | rawattrs;
101*0Sstevel@tonic-gate 
102*0Sstevel@tonic-gate 					if ((newx = x + (TABSIZE -
103*0Sstevel@tonic-gate 					    (x % TABSIZE))) > win->_maxx)
104*0Sstevel@tonic-gate 						newx = win->_maxx;
105*0Sstevel@tonic-gate 						for (; x < newx; x++)
106*0Sstevel@tonic-gate 							if (waddch(win,
107*0Sstevel@tonic-gate 							    space) == ERR)
108*0Sstevel@tonic-gate 								goto next;
109*0Sstevel@tonic-gate 				} else {
110*0Sstevel@tonic-gate 					if ((waddch(win, (chtype)
111*0Sstevel@tonic-gate 					    '^'|rawattrs) == ERR) ||
112*0Sstevel@tonic-gate 					    (waddch(win, (chtype)
113*0Sstevel@tonic-gate 					    _UNCTRL(rawc)|rawattrs) == ERR)) {
114*0Sstevel@tonic-gate next :
115*0Sstevel@tonic-gate 						rv = ERR;
116*0Sstevel@tonic-gate 				}
117*0Sstevel@tonic-gate 			}
118*0Sstevel@tonic-gate 			x = win->_curx;
119*0Sstevel@tonic-gate 			y = win->_cury;
120*0Sstevel@tonic-gate 			win->_immed = savimmed;
121*0Sstevel@tonic-gate 			win->_sync = savsync;
122*0Sstevel@tonic-gate 			break;
123*0Sstevel@tonic-gate 		}
124*0Sstevel@tonic-gate #ifdef	DEBUG
125*0Sstevel@tonic-gate 		if ((win->_attrs) && outf)
126*0Sstevel@tonic-gate 			fprintf(outf, "(attrs %o, %o=>%o)", win->_attrs,
127*0Sstevel@tonic-gate 			    c, c | win->_attrs);
128*0Sstevel@tonic-gate #endif	/* DEBUG */
129*0Sstevel@tonic-gate 
130*0Sstevel@tonic-gate 		/* clear any partial multi-column character */
131*0Sstevel@tonic-gate 		if (_scrmax > 1 && ISMBIT(win->_y[y][x]) &&
132*0Sstevel@tonic-gate 		    (rv = _mbclrch(win, y, x)) == ERR) {
133*0Sstevel@tonic-gate 			x = win->_curx;
134*0Sstevel@tonic-gate 			y = win->_cury;
135*0Sstevel@tonic-gate 			win->_immed = savimmed;
136*0Sstevel@tonic-gate 			win->_sync = savsync;
137*0Sstevel@tonic-gate 			break;
138*0Sstevel@tonic-gate 		}
139*0Sstevel@tonic-gate 
140*0Sstevel@tonic-gate 		if ((c = _WCHAR(win, c)|rawattrs) != win->_y[y][x]) {
141*0Sstevel@tonic-gate 			if (x < win->_firstch[y])
142*0Sstevel@tonic-gate 				win->_firstch[y] = x;
143*0Sstevel@tonic-gate 			if (x > win->_lastch[y])
144*0Sstevel@tonic-gate 				win->_lastch[y] = x;
145*0Sstevel@tonic-gate 			win->_y[y][x] = c;
146*0Sstevel@tonic-gate #ifdef	_VR3_COMPAT_CODE
147*0Sstevel@tonic-gate 			if (_y16update)
148*0Sstevel@tonic-gate 				/* LINTED */
149*0Sstevel@tonic-gate 				win->_y16[y][x] = _TO_OCHTYPE(c);
150*0Sstevel@tonic-gate #endif	/* _VR3_COMPAT_CODE */
151*0Sstevel@tonic-gate 		}
152*0Sstevel@tonic-gate 		if (++x == win->_maxx) {
153*0Sstevel@tonic-gate new_line:
154*0Sstevel@tonic-gate 			if (y == win->_bmarg) {
155*0Sstevel@tonic-gate 				if (wscrl(win, 1) == ERR) {
156*0Sstevel@tonic-gate 					rv = ERR;
157*0Sstevel@tonic-gate 					if (x == win->_maxx)
158*0Sstevel@tonic-gate 						--x;
159*0Sstevel@tonic-gate #ifdef	DEBUG
160*0Sstevel@tonic-gate 					if (outf) {
161*0Sstevel@tonic-gate 						int	i;
162*0Sstevel@tonic-gate 
163*0Sstevel@tonic-gate 						fprintf(outf, "ERR because "
164*0Sstevel@tonic-gate 						    "(%d, %d) > (%d, %d)\n",
165*0Sstevel@tonic-gate 						    x, y, win->_maxx,
166*0Sstevel@tonic-gate 						    win->_maxy);
167*0Sstevel@tonic-gate 						fprintf(outf, "line: '");
168*0Sstevel@tonic-gate 						for (i = 0; i < win->_maxy;
169*0Sstevel@tonic-gate 						    i++)
170*0Sstevel@tonic-gate 							fprintf(outf, "%c",
171*0Sstevel@tonic-gate 							    win->_y[y-1][i]);
172*0Sstevel@tonic-gate 						fprintf(outf, "'\n");
173*0Sstevel@tonic-gate 					}
174*0Sstevel@tonic-gate #endif	/* DEBUG */
175*0Sstevel@tonic-gate 					break;
176*0Sstevel@tonic-gate 				} else
177*0Sstevel@tonic-gate 					savimmed = 1;
178*0Sstevel@tonic-gate 			} else
179*0Sstevel@tonic-gate 				y++;
180*0Sstevel@tonic-gate 				x = 0;
181*0Sstevel@tonic-gate 		} else
182*0Sstevel@tonic-gate 			savimmed += 2;
183*0Sstevel@tonic-gate #ifdef	FULLDEBUG
184*0Sstevel@tonic-gate 		if (outf)
185*0Sstevel@tonic-gate 			fprintf(outf, "ADDCH: 2: y = %d, x = %d, "
186*0Sstevel@tonic-gate 			    "firstch = %d, lastch = %d\n", y, x,
187*0Sstevel@tonic-gate 			    win->_firstch[y], win->_lastch[y]);
188*0Sstevel@tonic-gate #endif	/* FULLDEBUG */
189*0Sstevel@tonic-gate 		break;
190*0Sstevel@tonic-gate 	}
191*0Sstevel@tonic-gate 	win->_cury = y;
192*0Sstevel@tonic-gate 	win->_curx = x;
193*0Sstevel@tonic-gate 
194*0Sstevel@tonic-gate nextw:
195*0Sstevel@tonic-gate 	/* sync with ancestor structures */
196*0Sstevel@tonic-gate 	if (win->_sync)
197*0Sstevel@tonic-gate 		wsyncup(win);
198*0Sstevel@tonic-gate 
199*0Sstevel@tonic-gate 	if (savimmed == 3)
200*0Sstevel@tonic-gate 		return ((*_quick_ptr)(win, c));
201*0Sstevel@tonic-gate 
202*0Sstevel@tonic-gate 	win->_flags |= _WINCHANGED;
203*0Sstevel@tonic-gate 
204*0Sstevel@tonic-gate out_move_only:
205*0Sstevel@tonic-gate 
206*0Sstevel@tonic-gate 	return ((savimmed == 1) ? wrefresh(win) : rv);
207*0Sstevel@tonic-gate }
208