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authorVijay Kumar Banerjee <vijaykumar9597@gmail.com>2019-08-04 01:49:42 +0530
committerChristian Mauderer <oss@c-mauderer.de>2019-08-11 15:57:54 +0200
commitfa976bc5aa12591f1fb4194bab3f91e02d7cace4 (patch)
tree2ab6ab3d003f082d02f6f70b57df3d2e64c2a5cd /freebsd/sys/teken/teken.h
parentTDA19988: Port to RTEMS (diff)
downloadrtems-libbsd-fa976bc5aa12591f1fb4194bab3f91e02d7cace4.tar.bz2
fbd: Import from FreeBSD
Diffstat (limited to 'freebsd/sys/teken/teken.h')
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1 files changed, 221 insertions, 0 deletions
diff --git a/freebsd/sys/teken/teken.h b/freebsd/sys/teken/teken.h
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+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * 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_
+
+#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. */
+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_ */