BSD 4.4 Lite Usr.bin Sources

1 files changed, 153 insertions, 0 deletions

diff --git a/usr.bin/window/tt.h b/usr.bin/window/tt.h
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+/*
+ * Copyright (c) 1983, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Edward Wang at The University of California, Berkeley.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	@(#)tt.h	8.1 (Berkeley) 6/6/93
+ */
+
+/*
+ * Interface structure for the terminal drivers.
+ */
+struct tt {
+		/* startup and cleanup */
+	int (*tt_start)();
+	int (*tt_reset)();
+	int (*tt_end)();
+
+		/* terminal functions */
+	int (*tt_move)();
+	int (*tt_insline)();
+	int (*tt_delline)();
+	int (*tt_inschar)();
+	int (*tt_insspace)();
+	int (*tt_delchar)();
+	int (*tt_write)();		/* write a whole block */
+	int (*tt_putc)();		/* write one character */
+	int (*tt_clreol)();
+	int (*tt_clreos)();
+	int (*tt_clear)();
+	int (*tt_scroll_down)();
+	int (*tt_scroll_up)();
+	int (*tt_setscroll)();		/* set scrolling region */
+	int (*tt_setmodes)();		/* set display modes */
+	int (*tt_set_token)();		/* define a token */
+	int (*tt_put_token)();		/* refer to a defined token */
+	int (*tt_compress)();		/* begin, end compression */
+	int (*tt_checksum)();		/* compute checksum */
+	int (*tt_checkpoint)();		/* checkpoint protocol */
+	int (*tt_rint)();		/* input processing */
+
+		/* internal variables */
+	char tt_modes;			/* the current display modes */
+	char tt_nmodes;			/* the new modes for next write */
+	char tt_insert;			/* currently in insert mode */
+	int tt_row;			/* cursor row */
+	int tt_col;			/* cursor column */
+	int tt_scroll_top;		/* top of scrolling region */
+	int tt_scroll_bot;		/* bottom of scrolling region */
+
+		/* terminal info */
+	int tt_nrow;			/* number of display rows */
+	int tt_ncol;			/* number of display columns */
+	char tt_availmodes;		/* the display modes supported */
+	char tt_wrap;			/* has auto wrap around */
+	char tt_retain;			/* can retain below (db flag) */
+	short tt_padc;			/* the pad character */
+	int tt_ntoken;			/* number of compression tokens */
+	int tt_token_min;		/* minimun token size */
+	int tt_token_max;		/* maximum token size */
+	int tt_set_token_cost;		/* cost in addition to string */
+	int tt_put_token_cost;		/* constant cost */
+	int tt_ack;			/* checkpoint ack-nack flag */
+
+		/* the frame characters */
+	short *tt_frame;
+
+		/* ttflush() hook */
+	int (*tt_flush)();
+};
+struct tt tt;
+
+/*
+ * tt_padc is used by the compression routine.
+ * It is a short to allow the driver to indicate that there is no padding.
+ */
+#define TT_PADC_NONE 0x100
+
+/*
+ * List of terminal drivers.
+ */
+struct tt_tab {
+	char *tt_name;
+	int tt_len;
+	int (*tt_func)();
+};
+extern struct tt_tab tt_tab[];
+
+/*
+ * Clean interface to termcap routines.
+ * Too may t's.
+ */
+char tt_strings[1024];		/* string buffer */
+char *tt_strp;			/* pointer for it */
+
+struct tt_str {
+	char *ts_str;
+	int ts_n;
+};
+
+struct tt_str *tttgetstr();
+struct tt_str *ttxgetstr();	/* tgetstr() and expand delays */
+
+int tttputc();
+#define tttputs(s, n)	tputs((s)->ts_str, (n), tttputc)
+#define ttxputs(s)	ttwrite((s)->ts_str, (s)->ts_n)
+
+/*
+ * Buffered output without stdio.
+ * These variables have different meanings from the ww_ob* variables.
+ * But I'm too lazy to think up different names.
+ */
+char *tt_ob;
+char *tt_obp;
+char *tt_obe;
+#define ttputc(c)	(tt_obp < tt_obe ? (*tt_obp++ = (c)) \
+				: (ttflush(), *tt_obp++ = (c)))
+
+/*
+ * Convenience macros for the drivers
+ * They require char.h
+ */
+#define ttctrl(c)	ttputc(ctrl(c))
+#define ttesc(c)	(ttctrl('['), ttputc(c))