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3b31c19691
It seems I didn't implement these two ioctl()'s properly, which meant vidcontrol couldn't properly obtain certain terminal parameters.
181 lines
5.0 KiB
C
181 lines
5.0 KiB
C
/*-
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* Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _TEKEN_H_
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#define _TEKEN_H_
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/*
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* libteken: terminal emulation library.
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*
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* This library converts an UTF-8 stream of bytes to terminal drawing
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* commands.
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*
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* Configuration switches:
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* - TEKEN_UTF8: Enable/disable UTF-8 handling.
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* - TEKEN_XTERM: Enable xterm-style emulation, instead of cons25.
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*/
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#if defined(__FreeBSD__) && defined(_KERNEL)
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#include "opt_teken.h"
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#endif /* __FreeBSD__ && _KERNEL */
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#ifdef TEKEN_UTF8
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typedef uint32_t teken_char_t;
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#else /* !TEKEN_UTF8 */
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typedef unsigned char teken_char_t;
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#endif /* TEKEN_UTF8 */
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typedef unsigned short teken_unit_t;
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typedef unsigned char teken_format_t;
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#define TF_BOLD 0x01
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#define TF_UNDERLINE 0x02
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#define TF_BLINK 0x04
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typedef unsigned char teken_color_t;
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#define TC_BLACK 0
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#define TC_RED 1
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#define TC_GREEN 2
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#define TC_BROWN 3
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#define TC_BLUE 4
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#define TC_MAGENTA 5
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#define TC_CYAN 6
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#define TC_WHITE 7
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#define TC_NCOLORS 8
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typedef struct {
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teken_unit_t tp_row;
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teken_unit_t tp_col;
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} teken_pos_t;
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typedef struct {
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teken_pos_t tr_begin;
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teken_pos_t tr_end;
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} teken_rect_t;
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typedef struct {
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teken_format_t ta_format;
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teken_color_t ta_fgcolor;
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teken_color_t ta_bgcolor;
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} teken_attr_t;
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typedef struct {
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teken_unit_t ts_begin;
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teken_unit_t ts_end;
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} teken_span_t;
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typedef struct __teken teken_t;
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typedef void teken_state_t(teken_t *, teken_char_t);
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/*
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* Drawing routines supplied by the user.
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*/
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typedef void tf_bell_t(void *);
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typedef void tf_cursor_t(void *, const teken_pos_t *);
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typedef void tf_putchar_t(void *, const teken_pos_t *, teken_char_t,
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const teken_attr_t *);
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typedef void tf_fill_t(void *, const teken_rect_t *, teken_char_t,
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const teken_attr_t *);
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typedef void tf_copy_t(void *, const teken_rect_t *, const teken_pos_t *);
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typedef void tf_param_t(void *, int, int);
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#define TP_SHOWCURSOR 0
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#define TP_CURSORKEYS 1
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#define TP_KEYPADAPP 2
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#define TP_AUTOREPEAT 3
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#define TP_SWITCHVT 4
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#define TP_132COLS 5
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typedef void tf_respond_t(void *, const void *, size_t);
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typedef struct {
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tf_bell_t *tf_bell;
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tf_cursor_t *tf_cursor;
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tf_putchar_t *tf_putchar;
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tf_fill_t *tf_fill;
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tf_copy_t *tf_copy;
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tf_param_t *tf_param;
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tf_respond_t *tf_respond;
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} teken_funcs_t;
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#if defined(TEKEN_XTERM) && defined(TEKEN_UTF8)
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typedef teken_char_t teken_scs_t(teken_char_t);
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#endif /* TEKEN_XTERM && TEKEN_UTF8 */
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/*
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* Terminal state.
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*/
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struct __teken {
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const teken_funcs_t *t_funcs;
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void *t_softc;
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teken_state_t *t_nextstate;
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unsigned int t_stateflags;
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#define T_NUMSIZE 8
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unsigned int t_nums[T_NUMSIZE];
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unsigned int t_curnum;
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teken_pos_t t_cursor;
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teken_attr_t t_curattr;
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teken_pos_t t_saved_cursor;
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teken_attr_t t_saved_curattr;
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teken_attr_t t_defattr;
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teken_pos_t t_winsize;
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/* For DECSTBM. */
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teken_span_t t_scrollreg;
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/* For DECOM. */
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teken_span_t t_originreg;
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#define T_NUMCOL 160
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unsigned int t_tabstops[T_NUMCOL / (sizeof(unsigned int) * 8)];
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#ifdef TEKEN_UTF8
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unsigned int t_utf8_left;
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teken_char_t t_utf8_partial;
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#endif /* TEKEN_UTF8 */
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#if defined(TEKEN_XTERM) && defined(TEKEN_UTF8)
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unsigned int t_curscs;
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teken_scs_t *t_saved_curscs;
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teken_scs_t *t_scs[2];
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#endif /* TEKEN_XTERM && TEKEN_UTF8 */
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};
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/* Initialize teken structure. */
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void teken_init(teken_t *, const teken_funcs_t *, void *);
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/* Deliver character input. */
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void teken_input(teken_t *, const void *, size_t);
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/* Get/set teken attributes. */
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const teken_attr_t *teken_get_curattr(teken_t *);
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const teken_attr_t *teken_get_defattr(teken_t *);
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void teken_set_cursor(teken_t *, const teken_pos_t *);
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void teken_set_defattr(teken_t *, const teken_attr_t *);
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void teken_set_winsize(teken_t *, const teken_pos_t *);
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#endif /* !_TEKEN_H_ */
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