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 /* 23 * Copyright (c) 1995-1998 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* LINTLIBRARY */ 30 31 /* 32 * wadd_wch.c 33 * 34 * XCurses Library 35 * 36 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved. 37 * 38 */ 39 40 #ifdef M_RCSID 41 #ifndef lint 42 static char rcsID[] = 43 "$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/" 44 "libxcurses/src/libc/xcurses/rcs/wadd_wch.c 1.5 1998/06/01 14:26:53 " 45 "cbates Exp $"; 46 #endif 47 #endif 48 49 #include <private.h> 50 51 /* Special for calls from string add functions */ 52 int 53 __m_wadd_wch(WINDOW *w, const cchar_t *cc) 54 { 55 int xsave = w->_curx; 56 int ysave = w->_cury; 57 int code = wadd_wch(w, cc); 58 59 if (code == ERR) { 60 w->_curx = (short) xsave; 61 w->_cury = (short) ysave; 62 } 63 return (code); 64 } 65 66 /* 67 * Add a character (and attributes) to a window and advance the cursor. 68 * Automatic newline done at right margin, tabs are expanded every 8 69 * columns, backspaces are handled. Newline will clear the rest of the 70 * line; if nl() mode then the cursor is advanced to the start of the 71 * next line. 72 */ 73 int 74 wadd_wch(WINDOW *w, const cchar_t *cc) 75 { 76 cchar_t uc; 77 const wchar_t *p; 78 int code, x, y; 79 int oflags; 80 81 oflags = w->_flags & (W_FLUSH | W_SYNC_UP); 82 83 code = ERR; 84 x = w->_curx; 85 y = w->_cury; 86 87 if (x < 0 || w->_maxx <= x || y < 0 || w->_maxy <= y) 88 goto error; 89 90 if (iswprint(cc->_wc[0]) || cc->_wc[0] == L'\n' || 91 cc->_wc[0] == L'\b' || cc->_wc[0] == L'\r') { 92 if (__m_cc_add(w, y, x, cc, 0, &y, &x) == ERR) 93 goto error; 94 } else if (cc->_wc[0] == L'\t') { 95 /* 96 * Experimental ... 97 * Maybe other cntrl chars should do this too ... 98 */ 99 if (__m_cc_add(w, y, x, cc, 0, &y, &x) == ERR) { 100 w->_curx = (short) x; 101 w->_cury = (short) y; 102 WSYNC(w); 103 WFLUSH(w); 104 goto error; 105 } 106 } else { 107 /* Convert non-printables into printable representation. */ 108 uc._n = 1; 109 uc._at = cc->_at; 110 uc._co = cc->_co; 111 112 if ((p = wunctrl((cchar_t *)cc)) == NULL) 113 goto error; 114 115 for (; *p != '\0'; ++p) { 116 uc._wc[0] = *p; 117 if (__m_cc_add(w, y, x, &uc, 0, &y, &x) == ERR) 118 goto error; 119 } 120 } 121 122 w->_curx = (short) x; 123 w->_cury = (short) y; 124 125 WSYNC(w); 126 127 code = WFLUSH(w); 128 error: 129 w->_flags = oflags | (w->_flags & ~(W_FLUSH | W_SYNC_UP)); 130 131 return (code); 132 } 133