teken.h revision 188391
11590Srgrimes/*- 21590Srgrimes * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org> 31590Srgrimes * All rights reserved. 41590Srgrimes * 51590Srgrimes * Redistribution and use in source and binary forms, with or without 61590Srgrimes * modification, are permitted provided that the following conditions 71590Srgrimes * are met: 81590Srgrimes * 1. Redistributions of source code must retain the above copyright 91590Srgrimes * notice, this list of conditions and the following disclaimer. 101590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111590Srgrimes * notice, this list of conditions and the following disclaimer in the 121590Srgrimes * documentation and/or other materials provided with the distribution. 131590Srgrimes * 141590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 151590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 161590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 171590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 181590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 191590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 201590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 211590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 221590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 231590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 241590Srgrimes * SUCH DAMAGE. 251590Srgrimes * 261590Srgrimes * $FreeBSD: head/sys/dev/syscons/teken/teken.h 188391 2009-02-09 15:55:21Z ed $ 271590Srgrimes */ 281590Srgrimes 291590Srgrimes#ifndef _TEKEN_H_ 301590Srgrimes#define _TEKEN_H_ 311590Srgrimes 321590Srgrimes/* 331590Srgrimes * libteken: terminal emulation library. 341590Srgrimes * 351590Srgrimes * This library converts an UTF-8 stream of bytes to terminal drawing 361590Srgrimes * commands. 3774769Smikeh * 3888150Smikeh * Configuration switches: 3974769Smikeh * - TEKEN_UTF8: Enable/disable UTF-8 handling. 401590Srgrimes * - TEKEN_XTERM: Enable xterm-style emulation, instead of cons25. 4199112Sobrien */ 4299112Sobrien 431590Srgrimes#if defined(__FreeBSD__) && defined(_KERNEL) 441590Srgrimes#include "opt_teken.h" 451590Srgrimes#endif /* __FreeBSD__ && _KERNEL */ 461590Srgrimes 471590Srgrimes#ifdef TEKEN_UTF8 481590Srgrimestypedef uint32_t teken_char_t; 491590Srgrimes#else /* !TEKEN_UTF8 */ 501590Srgrimestypedef unsigned char teken_char_t; 511590Srgrimes#endif /* TEKEN_UTF8 */ 521590Srgrimestypedef unsigned short teken_unit_t; 531590Srgrimestypedef unsigned char teken_format_t; 54173439Sdds#define TF_BOLD 0x01 551590Srgrimes#define TF_UNDERLINE 0x02 5677274Smikeh#define TF_BLINK 0x04 5777274Smikehtypedef unsigned char teken_color_t; 581590Srgrimes#define TC_BLACK 0 59216564Scharnier#define TC_RED 1 601590Srgrimes#define TC_GREEN 2 6177274Smikeh#define TC_BROWN 3 621590Srgrimes#define TC_BLUE 4 6332189Sjoerg#define TC_MAGENTA 5 6488150Smikeh#define TC_CYAN 6 651590Srgrimes#define TC_WHITE 7 661590Srgrimes#define TC_NCOLORS 8 671590Srgrimes 681590Srgrimestypedef struct { 691590Srgrimes teken_unit_t tp_row; 701590Srgrimes teken_unit_t tp_col; 711590Srgrimes} teken_pos_t; 721590Srgrimestypedef struct { 7377274Smikeh teken_pos_t tr_begin; 741590Srgrimes teken_pos_t tr_end; 751590Srgrimes} teken_rect_t; 761590Srgrimestypedef struct { 771590Srgrimes teken_format_t ta_format; 781590Srgrimes teken_color_t ta_fgcolor; 791590Srgrimes teken_color_t ta_bgcolor; 801590Srgrimes} teken_attr_t; 811590Srgrimestypedef struct { 821590Srgrimes teken_unit_t ts_begin; 831590Srgrimes teken_unit_t ts_end; 8477274Smikeh} teken_span_t; 8577274Smikeh 8677274Smikehtypedef struct __teken teken_t; 8777274Smikeh 8877274Smikehtypedef void teken_state_t(teken_t *, teken_char_t); 8977274Smikeh 90126415Smikeh/* 911590Srgrimes * Drawing routines supplied by the user. 921590Srgrimes */ 931590Srgrimes 941590Srgrimestypedef void tf_bell_t(void *); 951590Srgrimestypedef void tf_cursor_t(void *, const teken_pos_t *); 961590Srgrimestypedef void tf_putchar_t(void *, const teken_pos_t *, teken_char_t, 971590Srgrimes const teken_attr_t *); 9874769Smikehtypedef void tf_fill_t(void *, const teken_rect_t *, teken_char_t, 9977274Smikeh const teken_attr_t *); 10074769Smikehtypedef void tf_copy_t(void *, const teken_rect_t *, const teken_pos_t *); 10177274Smikehtypedef void tf_param_t(void *, int, int); 1021590Srgrimes#define TP_SHOWCURSOR 0 1031590Srgrimes#define TP_CURSORKEYS 1 1041590Srgrimes#define TP_KEYPADAPP 2 1051590Srgrimes#define TP_AUTOREPEAT 3 1061590Srgrimes#define TP_SWITCHVT 4 1071590Srgrimes#define TP_132COLS 5 10877274Smikehtypedef void tf_respond_t(void *, const void *, size_t); 1091590Srgrimes 1101590Srgrimestypedef struct { 1111590Srgrimes tf_bell_t *tf_bell; 1121590Srgrimes tf_cursor_t *tf_cursor; 1131590Srgrimes tf_putchar_t *tf_putchar; 1141590Srgrimes tf_fill_t *tf_fill; 1151590Srgrimes tf_copy_t *tf_copy; 1161590Srgrimes tf_param_t *tf_param; 1171590Srgrimes tf_respond_t *tf_respond; 1181590Srgrimes} teken_funcs_t; 1191590Srgrimes 120126415Smikeh#if defined(TEKEN_XTERM) && defined(TEKEN_UTF8) 121126415Smikehtypedef teken_char_t teken_scs_t(teken_char_t); 122126415Smikeh#endif /* TEKEN_XTERM && TEKEN_UTF8 */ 123126415Smikeh 124126415Smikeh/* 125126415Smikeh * Terminal state. 126126415Smikeh */ 127126415Smikeh 128126415Smikehstruct __teken { 129126415Smikeh const teken_funcs_t *t_funcs; 130126415Smikeh void *t_softc; 131126415Smikeh 132126415Smikeh teken_state_t *t_nextstate; 133126415Smikeh unsigned int t_stateflags; 134126415Smikeh 135126415Smikeh#define T_NUMSIZE 8 136126415Smikeh unsigned int t_nums[T_NUMSIZE]; 137126415Smikeh unsigned int t_curnum; 138126415Smikeh 1391590Srgrimes teken_pos_t t_cursor; 1401590Srgrimes teken_attr_t t_curattr; 1411590Srgrimes teken_pos_t t_saved_cursor; 1421590Srgrimes teken_attr_t t_saved_curattr; 1431590Srgrimes 1441590Srgrimes teken_attr_t t_defattr; 1451590Srgrimes teken_pos_t t_winsize; 1461590Srgrimes 1471590Srgrimes /* For DECSTBM. */ 1481590Srgrimes teken_span_t t_scrollreg; 1491590Srgrimes /* For DECOM. */ 1501590Srgrimes teken_span_t t_originreg; 1511590Srgrimes 1521590Srgrimes#define T_NUMCOL 160 1531590Srgrimes unsigned int t_tabstops[T_NUMCOL / (sizeof(unsigned int) * 8)]; 1541590Srgrimes 1551590Srgrimes#ifdef TEKEN_UTF8 15677274Smikeh unsigned int t_utf8_left; 1571590Srgrimes teken_char_t t_utf8_partial; 1581590Srgrimes#endif /* TEKEN_UTF8 */ 1591590Srgrimes 1601590Srgrimes#if defined(TEKEN_XTERM) && defined(TEKEN_UTF8) 1611590Srgrimes unsigned int t_curscs; 1621590Srgrimes teken_scs_t *t_saved_curscs; 1631590Srgrimes teken_scs_t *t_scs[2]; 1641590Srgrimes#endif /* TEKEN_XTERM && TEKEN_UTF8 */ 1651590Srgrimes}; 1661590Srgrimes 1671590Srgrimes/* Initialize teken structure. */ 1681590Srgrimesvoid teken_init(teken_t *, const teken_funcs_t *, void *); 1691590Srgrimes 1701590Srgrimes/* Deliver character input. */ 1711590Srgrimesvoid teken_input(teken_t *, const void *, size_t); 1721590Srgrimes 1731590Srgrimes/* Get/set teken attributes. */ 1741590Srgrimesconst teken_attr_t *teken_get_curattr(teken_t *); 1751590Srgrimesconst teken_attr_t *teken_get_defattr(teken_t *); 1761590Srgrimesvoid teken_set_cursor(teken_t *, const teken_pos_t *); 1771590Srgrimesvoid teken_set_defattr(teken_t *, const teken_attr_t *); 1781590Srgrimesvoid teken_set_winsize(teken_t *, const teken_pos_t *); 1791590Srgrimes 1801590Srgrimes#endif /* !_TEKEN_H_ */ 1811590Srgrimes