From fa976bc5aa12591f1fb4194bab3f91e02d7cace4 Mon Sep 17 00:00:00 2001 From: Vijay Kumar Banerjee Date: Sun, 4 Aug 2019 01:49:42 +0530 Subject: fbd: Import from FreeBSD --- freebsd/sys/teken/teken.h | 221 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 221 insertions(+) create mode 100644 freebsd/sys/teken/teken.h (limited to 'freebsd/sys/teken/teken.h') diff --git a/freebsd/sys/teken/teken.h b/freebsd/sys/teken/teken.h new file mode 100644 index 00000000..0a3928a9 --- /dev/null +++ b/freebsd/sys/teken/teken.h @@ -0,0 +1,221 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2008-2009 Ed Schouten + * 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. + * + * $FreeBSD$ + */ + +#ifndef _TEKEN_H_ +#define _TEKEN_H_ + +#include + +/* + * 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. */ +typedef unsigned char teken_color_t; +#define TC_BLACK 0 +#define TC_RED 1 +#define TC_GREEN 2 +#define TC_BROWN 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_ */ -- cgit v1.2.3