mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-11-30 04:22:44 +00:00
221 lines
6.2 KiB
C
221 lines
6.2 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _TEKEN_H_
|
|
#define _TEKEN_H_
|
|
|
|
#include <sys/types.h>
|
|
|
|
/*
|
|
* libteken: terminal emulation library.
|
|
*
|
|
* This library converts an UTF-8 stream of bytes to terminal drawing
|
|
* commands.
|
|
*/
|
|
|
|
typedef uint32_t teken_char_t;
|
|
typedef unsigned short teken_unit_t;
|
|
typedef unsigned char teken_format_t;
|
|
#define TF_BOLD 0x01 /* Bold character. */
|
|
#define TF_UNDERLINE 0x02 /* Underline character. */
|
|
#define TF_BLINK 0x04 /* Blinking character. */
|
|
#define TF_REVERSE 0x08 /* Reverse rendered character. */
|
|
#define TF_CJK_RIGHT 0x10 /* Right-hand side of CJK character. */
|
|
#define TF_IMAGE 0x20 /* This character space has image. */
|
|
typedef unsigned char teken_color_t;
|
|
#define TC_BLACK 0
|
|
#define TC_RED 1
|
|
#define TC_GREEN 2
|
|
#define TC_YELLOW 3
|
|
#define TC_BLUE 4
|
|
#define TC_MAGENTA 5
|
|
#define TC_CYAN 6
|
|
#define TC_WHITE 7
|
|
#define TC_NCOLORS 8
|
|
#define TC_LIGHT 8 /* ORed with the others. */
|
|
|
|
typedef struct {
|
|
teken_unit_t tp_row;
|
|
teken_unit_t tp_col;
|
|
} teken_pos_t;
|
|
typedef struct {
|
|
teken_pos_t tr_begin;
|
|
teken_pos_t tr_end;
|
|
} teken_rect_t;
|
|
typedef struct {
|
|
teken_format_t ta_format;
|
|
teken_color_t ta_fgcolor;
|
|
teken_color_t ta_bgcolor;
|
|
} teken_attr_t;
|
|
typedef struct {
|
|
teken_unit_t ts_begin;
|
|
teken_unit_t ts_end;
|
|
} teken_span_t;
|
|
|
|
typedef struct __teken teken_t;
|
|
|
|
typedef void teken_state_t(teken_t *, teken_char_t);
|
|
|
|
/*
|
|
* Drawing routines supplied by the user.
|
|
*/
|
|
|
|
typedef void tf_bell_t(void *);
|
|
typedef void tf_cursor_t(void *, const teken_pos_t *);
|
|
typedef void tf_putchar_t(void *, const teken_pos_t *, teken_char_t,
|
|
const teken_attr_t *);
|
|
typedef void tf_fill_t(void *, const teken_rect_t *, teken_char_t,
|
|
const teken_attr_t *);
|
|
typedef void tf_copy_t(void *, const teken_rect_t *, const teken_pos_t *);
|
|
typedef void tf_pre_input_t(void *);
|
|
typedef void tf_post_input_t(void *);
|
|
typedef void tf_param_t(void *, int, unsigned int);
|
|
#define TP_SHOWCURSOR 0
|
|
#define TP_KEYPADAPP 1
|
|
#define TP_AUTOREPEAT 2
|
|
#define TP_SWITCHVT 3
|
|
#define TP_132COLS 4
|
|
#define TP_SETBELLPD 5
|
|
#define TP_SETBELLPD_PITCH(pd) ((pd) >> 16)
|
|
#define TP_SETBELLPD_DURATION(pd) ((pd) & 0xffff)
|
|
#define TP_MOUSE 6
|
|
#define TP_SETBORDER 7
|
|
#define TP_SETLOCALCURSOR 8
|
|
#define TP_SETGLOBALCURSOR 9
|
|
typedef void tf_respond_t(void *, const void *, size_t);
|
|
|
|
typedef struct {
|
|
tf_bell_t *tf_bell;
|
|
tf_cursor_t *tf_cursor;
|
|
tf_putchar_t *tf_putchar;
|
|
tf_fill_t *tf_fill;
|
|
tf_copy_t *tf_copy;
|
|
tf_pre_input_t *tf_pre_input;
|
|
tf_post_input_t *tf_post_input;
|
|
tf_param_t *tf_param;
|
|
tf_respond_t *tf_respond;
|
|
} teken_funcs_t;
|
|
|
|
typedef teken_char_t teken_scs_t(const teken_t *, teken_char_t);
|
|
|
|
/*
|
|
* Terminal state.
|
|
*/
|
|
|
|
struct __teken {
|
|
const teken_funcs_t *t_funcs;
|
|
void *t_softc;
|
|
|
|
teken_state_t *t_nextstate;
|
|
unsigned int t_stateflags;
|
|
|
|
#define T_NUMSIZE 8
|
|
unsigned int t_nums[T_NUMSIZE];
|
|
unsigned int t_curnum;
|
|
|
|
teken_pos_t t_cursor;
|
|
teken_attr_t t_curattr;
|
|
teken_pos_t t_saved_cursor;
|
|
teken_attr_t t_saved_curattr;
|
|
|
|
teken_attr_t t_defattr;
|
|
teken_pos_t t_winsize;
|
|
|
|
/* For DECSTBM. */
|
|
teken_span_t t_scrollreg;
|
|
/* For DECOM. */
|
|
teken_span_t t_originreg;
|
|
|
|
#define T_NUMCOL 160
|
|
unsigned int t_tabstops[T_NUMCOL / (sizeof(unsigned int) * 8)];
|
|
|
|
unsigned int t_utf8_left;
|
|
teken_char_t t_utf8_partial;
|
|
teken_char_t t_last;
|
|
|
|
unsigned int t_curscs;
|
|
teken_scs_t *t_saved_curscs;
|
|
teken_scs_t *t_scs[2];
|
|
};
|
|
|
|
/* Initialize teken structure. */
|
|
void teken_init(teken_t *, const teken_funcs_t *, void *);
|
|
|
|
/* Deliver character input. */
|
|
void teken_input(teken_t *, const void *, size_t);
|
|
|
|
/* Get/set teken attributes. */
|
|
const teken_pos_t *teken_get_cursor(const teken_t *);
|
|
const teken_attr_t *teken_get_curattr(const teken_t *);
|
|
const teken_attr_t *teken_get_defattr(const teken_t *);
|
|
void teken_get_defattr_cons25(const teken_t *, int *, int *);
|
|
const teken_pos_t *teken_get_winsize(const teken_t *);
|
|
void teken_set_cursor(teken_t *, const teken_pos_t *);
|
|
void teken_set_curattr(teken_t *, const teken_attr_t *);
|
|
void teken_set_defattr(teken_t *, const teken_attr_t *);
|
|
void teken_set_winsize(teken_t *, const teken_pos_t *);
|
|
void teken_set_winsize_noreset(teken_t *, const teken_pos_t *);
|
|
|
|
/* Key input escape sequences. */
|
|
#define TKEY_UP 0x00
|
|
#define TKEY_DOWN 0x01
|
|
#define TKEY_LEFT 0x02
|
|
#define TKEY_RIGHT 0x03
|
|
|
|
#define TKEY_HOME 0x04
|
|
#define TKEY_END 0x05
|
|
#define TKEY_INSERT 0x06
|
|
#define TKEY_DELETE 0x07
|
|
#define TKEY_PAGE_UP 0x08
|
|
#define TKEY_PAGE_DOWN 0x09
|
|
|
|
#define TKEY_F1 0x0a
|
|
#define TKEY_F2 0x0b
|
|
#define TKEY_F3 0x0c
|
|
#define TKEY_F4 0x0d
|
|
#define TKEY_F5 0x0e
|
|
#define TKEY_F6 0x0f
|
|
#define TKEY_F7 0x10
|
|
#define TKEY_F8 0x11
|
|
#define TKEY_F9 0x12
|
|
#define TKEY_F10 0x13
|
|
#define TKEY_F11 0x14
|
|
#define TKEY_F12 0x15
|
|
const char *teken_get_sequence(const teken_t *, unsigned int);
|
|
|
|
/* Legacy features. */
|
|
void teken_set_8bit(teken_t *);
|
|
void teken_set_cons25(teken_t *);
|
|
void teken_set_cons25keys(teken_t *);
|
|
|
|
/* Color conversion. */
|
|
teken_color_t teken_256to16(teken_color_t);
|
|
teken_color_t teken_256to8(teken_color_t);
|
|
|
|
#endif /* !_TEKEN_H_ */
|