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Diffstat (limited to 'sys/dev/syscons/teken/teken.h')
| -rw-r--r-- | sys/dev/syscons/teken/teken.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/sys/dev/syscons/teken/teken.h b/sys/dev/syscons/teken/teken.h new file mode 100644 index 0000000..ef107ca --- /dev/null +++ b/sys/dev/syscons/teken/teken.h @@ -0,0 +1,168 @@ +/*- + * 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. + * + * $FreeBSD$ + */ + +#ifndef _TEKEN_H_ +#define _TEKEN_H_ + +/* + * libteken: terminal emulation library. + * + * This library converts an UTF-8 stream of bytes to terminal drawing + * commands. It implements commands similar to xterm-color. + */ + +#if 0 +/* + * XXX: Disable UTF-8 support for now. It requires UTF-8 keyboard input + * and rendering, which we do not yet support. + */ +#define TEKEN_UTF8 +#endif + +#ifdef TEKEN_UTF8 +typedef uint32_t teken_char_t; +#else /* !TEKEN_UTF8 */ +typedef unsigned char teken_char_t; +#endif /* TEKEN_UTF8 */ +typedef unsigned short teken_unit_t; +typedef unsigned char teken_format_t; +#define TF_BOLD 0x01 +#define TF_UNDERLINE 0x02 +#define TF_BLINK 0x04 +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 + +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_param_t(void *, int, int); +#define TP_SHOWCURSOR 0 +#define TP_CURSORKEYS 1 +#define TP_KEYPADAPP 2 +#define TP_AUTOREPEAT 3 +#define TP_SWITCHVT 4 +#define TP_132COLS 5 +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_param_t *tf_param; + tf_respond_t *tf_respond; +} teken_funcs_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)]; + +#ifdef TEKEN_UTF8 + unsigned int t_utf8_left; + teken_char_t t_utf8_partial; +#endif /* TEKEN_UTF8 */ +}; + +/* 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); + +/* Set teken attributes. */ +void teken_set_cursor(teken_t *, const teken_pos_t *); +void teken_set_defattr(teken_t *, const teken_attr_t *); +void teken_set_winsize(teken_t *, const teken_pos_t *); + +#endif /* !_TEKEN_H_ */ |
