term.h

EPIC IRC客户端。来源于IRCII客户端但做了很多性能和功能的优化。

/*
 * term.h: header file for term.c 
 *
 * Copyright 1990 Michael Sandrof
 * Copyright 1997 EPIC Software Labs
 * Copyright 1998 J. Kean Johnston
 * See the COPYRIGHT file, or do a HELP IRCII COPYRIGHT 
 */

#ifndef __term_h__
#define __term_h__

/* To get declaration of "output_screen" */
#include "screen.h"

extern	volatile int	need_redraw;
extern	int	meta_mode;

/* 
 * This puts a character to the current target, whatever it is. 
 * All output everywhere should go through this.
 * This does not mangle its output, so its suitable for outputting
 * escape sequences.
 */
#if !defined(WTERM_C) && !defined(WSERV_C)
#define current_ftarget (output_screen ? output_screen->fpout : stdout)

#ifdef __need_putchar_x__
__inline__ 
static int putchar_x (int c) { return fputc((int) c, current_ftarget ); }
#endif

#ifdef __need_term_flush__
__inline__
static void term_flush (void) { fflush( current_ftarget ); }
#endif
#endif

#define	TERM_SGR_BOLD_ON	1
#define TERM_SGR_BOLD_OFF	2
#define TERM_SGR_BLINK_ON	3
#define TERM_SGR_BLINK_OFF	4
#define TERM_SGR_UNDL_ON	5
#define TERM_SGR_UNDL_OFF	6
#define TERM_SGR_REV_ON		7
#define TERM_SGR_REV_OFF	8
#define TERM_SGR_NORMAL		9
#define TERM_SGR_RESET		10
#define TERM_SGR_FOREGROUND	11
#define TERM_SGR_BACKGROUND	12
#define TERM_SGR_GCHAR		13
#define TERM_SGR_ALTCHAR_ON	14
#define TERM_SGR_ALTCHAR_OFF	15
#define TERM_SGR_MAXVAL		16

#define TERM_CAN_CUP		1 << 0
#define TERM_CAN_CLEAR		1 << 1
#define TERM_CAN_CLREOL		1 << 2
#define TERM_CAN_RIGHT		1 << 3
#define TERM_CAN_LEFT		1 << 4
#define TERM_CAN_SCROLL		1 << 5
#define TERM_CAN_DELETE		1 << 6
#define TERM_CAN_INSERT		1 << 7
#define TERM_CAN_DELLINES	1 << 8
#define TERM_CAN_INSLINES	1 << 9
#define TERM_CAN_REPEAT		1 << 10
#define TERM_CAN_BOLD		1 << 11
#define TERM_CAN_BLINK		1 << 12
#define TERM_CAN_UNDL		1 << 13
#define TERM_CAN_REVERSE	1 << 14
#define TERM_CAN_COLOR		1 << 15
#define TERM_CAN_GCHAR		1 << 16

#if 0
extern	char	*TI_cr, *TI_nl;
extern	int	TI_lines, TI_cols;
extern	char	*TI_sgrstrs[];
extern	char	*TI_forecolors[];
extern	char	*TI_backcolors[];
#endif

extern	int	termfeatures;
extern	struct	term	*current_term;

/*      Our variable name   Cap / Info      Description */
struct term {
	int TI_bw;	 /* bw  / bw        cub1 wraps from column 0 to last column */
	int TI_am;	 /* am  / am        terminal has automatic margins */
	int TI_xsb;	 /* xb  / xsb       beehive (f1=escape, f2=ctrl C) */
	int TI_xhp;	 /* xs  / xhp       standout not erased by overwriting (hp) */
	int TI_xenl;	 /* xn  / xenl      newline ignored after 80 cols (concept) */
	int TI_eo;	 /* eo  / eo        can erase overstrikes with a blank */
	int TI_gn;	 /* gn  / gn        generic line type */
	int TI_hc;	 /* hc  / hc        hardcopy terminal */
	int TI_km;	 /* km  / km        Has a meta key (shift, sets parity bit) */
	int TI_hs;	 /* hs  / hs        has extra status line */
	int TI_in;	 /* in  / in        insert mode distinguishes nulls */
	int TI_da;	 /* da  / da        display may be retained above the screen */
	int TI_db;	 /* db  / db        display may be retained below the screen */
	int TI_mir;	 /* mi  / mir       safe to move while in insert mode */
	int TI_msgr;	 /* ms  / msgr      safe to move while in standout mode */
	int TI_os;	 /* os  / os        terminal can overstrike */
	int TI_eslok;	 /* es  / eslok     escape can be used on the status line */
	int TI_xt;	 /* xt  / xt        tabs destructive, magic so char (t1061) */
	int TI_hz;	 /* hz  / hz        can't print ~'s (hazeltine) */
	int TI_ul;	 /* ul  / ul        underline character overstrikes */
	int TI_xon;	 /* xo  / xon       terminal uses xon/xoff handshaking */
	int TI_nxon;	 /* nx  / nxon      padding won't work, xon/xoff required */
	int TI_mc5i;	 /* 5i  / mc5i      printer won't echo on screen */
	int TI_chts;	 /* HC  / chts      cursor is hard to see */
	int TI_nrrmc;	 /* NR  / nrrmc     smcup does not reverse rmcup */
	int TI_npc;	 /* NP  / npc       pad character does not exist */
	int TI_ndscr;	 /* ND  / ndscr     scrolling region is non-destructive */
	int TI_ccc;	 /* cc  / ccc       terminal can re-define existing colors */
	int TI_bce;	 /* ut  / bce       screen erased with background color */
	int TI_hls;	 /* hl  / hls       terminal uses only HLS color notation (Tektronix) */
	int TI_xhpa;	 /* YA  / xhpa      only positive motion for hpa/mhpa caps */
	int TI_crxm;	 /* YB  / crxm      using cr turns off micro mode */
	int TI_daisy;	 /* YC  / daisy     printer needs operator to change character set */
	int TI_xvpa;	 /* YD  / xvpa      only positive motion for vpa/mvpa caps */
	int TI_sam;	 /* YE  / sam       printing in last column causes cr */
	int TI_cpix;	 /* YF  / cpix      changing character pitch changes resolution */
	int TI_lpix;	 /* YG  / lpix      changing line pitch changes resolution */
	int TI_cols;	 /* co  / cols      number of columns in a line */
	int TI_it;	 /* it  / it        tabs initially every # spaces */
	int TI_lines;	 /* li  / lines     number of lines on screen or page */
	int TI_lm;	 /* lm  / lm        lines of memory if > line. 0 means varies */
	int TI_xmc;	 /* sg  / xmc       number of blank characters left by smso or rmso */
	int TI_pb;	 /* pb  / pb        lowest baud rate where padding needed */
	int TI_vt;	 /* vt  / vt        virtual terminal number (CB/unix) */
	int TI_wsl;	 /* ws  / wsl       number of columns in status line */
	int TI_nlab;	 /* Nl  / nlab      number of labels on screen */
	int TI_lh;	 /* lh  / lh        rows in each label */
	int TI_lw;	 /* lw  / lw        columns in each label */
	int TI_ma;	 /* ma  / ma        maximum combined attributes terminal can handle */
	int TI_wnum;	 /* MW  / wnum      maximum number of defineable windows */
	int TI_colors;	 /* Co  / colors    maximum number of colors on screen */
	int TI_pairs;	 /* pa  / pairs     maximum number of color-pairs on the screen */
	int TI_ncv;	 /* NC  / ncv       video attributes that can't be used with colors */
	int TI_bufsz;	 /* Ya  / bufsz     numbers of bytes buffered before printing */
	int TI_spinv;	 /* Yb  / spinv     spacing of pins vertically in pins per inch */
	int TI_spinh;	 /* Yc  / spinh     spacing of dots horizontally in dots per inch */
	int TI_maddr;	 /* Yd  / maddr     maximum value in micro_..._address */
	int TI_mjump;	 /* Ye  / mjump     maximum value in parm_..._micro */
	int TI_mcs;	 /* Yf  / mcs       character step size when in micro mode */
	int TI_mls;	 /* Yg  / mls       line step size when in micro mode */
	int TI_npins;	 /* Yh  / npins     numbers of pins in print-head */
	int TI_orc;	 /* Yi  / orc       horizontal resolution in units per line */
	int TI_orl;	 /* Yj  / orl       vertical resolution in units per line */
	int TI_orhi;	 /* Yk  / orhi      horizontal resolution in units per inch */
	int TI_orvi;	 /* Yl  / orvi      vertical resolution in units per inch */
	int TI_cps;	 /* Ym  / cps       print rate in characters per second */
	int TI_widcs;	 /* Yn  / widcs     character step size when in double wide mode */
	int TI_btns;	 /* BT  / btns      number of buttons on mouse */
	int TI_bitwin;	 /* Yo  / bitwin    number of passes for each bit-image row */
	int TI_bitype;	 /* Yp  / bitype    type of bit-image device */
	const char *TI_cbt;	 /* bt  / cbt       back tab (P) */
	const char *TI_bel;	 /* bl  / bel       audible signal (bell) (P) */
	const char *TI_cr;	 /* cr  / cr        carriage return (P*) (P*) */
	const char *TI_csr;	 /* cs  / csr       change region to line #1 to line #2 (P) */
	const char *TI_tbc;	 /* ct  / tbc       clear all tab stops (P) */
	const char *TI_clear;	 /* cl  / clear     clear screen and home cursor (P*) */
	const char *TI_el;	 /* ce  / el        clear to end of line (P) */
	const char *TI_ed;	 /* cd  / ed        clear to end of screen (P*) */
	const char *TI_hpa;	 /* ch  / hpa       horizontal position #1, absolute (P) */
	const char *TI_cmdch;	 /* CC  / cmdch     terminal settable cmd character in prototype !? */
	const char *TI_cup;	 /* cm  / cup       move to row #1 columns #2 */
	const char *TI_cud1;	 /* do  / cud1      down one line */
	const char *TI_home;	 /* ho  / home      home cursor (if no cup) */
	const char *TI_civis;	 /* vi  / civis     make cursor invisible */
	const char *TI_cub1;	 /* le  / cub1      move left one space */
	const char *TI_mrcup;	 /* CM  / mrcup     memory relative cursor addressing */
	const char *TI_cnorm;	 /* ve  / cnorm     make cursor appear normal (undo civis/cvvis) */
	const char *TI_cuf1;	 /* nd  / cuf1      non-destructive space (move right one space) */
	const char *TI_ll;	 /* ll  / ll        last line, first column (if no cup) */
	const char *TI_cuu1;	 /* up  / cuu1      up one line */
	const char *TI_cvvis;	 /* vs  / cvvis     make cursor very visible */
	const char *TI_dch1;	 /* dc  / dch1      delete character (P*) */
	const char *TI_dl1;	 /* dl  / dl1       delete line (P*) */
	const char *TI_dsl;	 /* ds  / dsl       disable status line */
	const char *TI_hd;	 /* hd  / hd        half a line down */
	const char *TI_smacs;	 /* as  / smacs     start alternate character set (P) */
	const char *TI_blink;	 /* mb  / blink     turn on blinking */
	const char *TI_bold;	 /* md  / bold      turn on bold (extra bright) mode */
	const char *TI_smcup;	 /* ti  / smcup     string to start programs using cup */
	const char *TI_smdc;	 /* dm  / smdc      enter delete mode */
	const char *TI_dim;	 /* mh  / dim       turn on half-bright mode */
	const char *TI_smir;	 /* im  / smir      enter insert mode */
	const char *TI_invis;	 /* mk  / invis     turn on blank mode (characters invisible) */
	const char *TI_prot;	 /* mp  / prot      turn on protected mode */
	const char *TI_rev;	 /* mr  / rev       turn on reverse video mode */
	const char *TI_smso;	 /* so  / smso      begin standout mode */
	const char *TI_smul;	 /* us  / smul      begin underline mode */
	const char *TI_ech;	 /* ec  / ech       erase #1 characters (P) */
	const char *TI_rmacs;	 /* ae  / rmacs     end alternate character set (P) */
	const char *TI_sgr0;	 /* me  / sgr0      turn off all attributes */
	const char *TI_rmcup;	 /* te  / rmcup     strings to end programs using cup */
	const char *TI_rmdc;	 /* ed  / rmdc      end delete mode */
	const char *TI_rmir;	 /* ei  / rmir      exit insert mode */
	const char *TI_rmso;	 /* se  / rmso      exit standout mode */
	const char *TI_rmul;	 /* ue  / rmul      exit underline mode */
	const char *TI_flash;	 /* vb  / flash     visible bell (may not move cursor) */
	const char *TI_ff;	 /* ff  / ff        hardcopy terminal page eject (P*) */
	const char *TI_fsl;	 /* fs  / fsl       return from status line */
	const char *TI_is1;	 /* i1  / is1       initialization string */
	const char *TI_is2;	 /* is  / is2       initialization string */
	const char *TI_is3;	 /* i3  / is3       initialization string */
	const char *TI_if;	 /* if  / if        name of initialization file */
	const char *TI_ich1;	 /* ic  / ich1      insert character (P) */
	const char *TI_il1;	 /* al  / il1       insert line (P*) */
	const char *TI_ip;	 /* ip  / ip        insert padding after inserted character */
	const char *TI_kbs;	 /* kb  / kbs       backspace key */
	const char *TI_ktbc;	 /* ka  / ktbc      clear-all-tabs key */
	const char *TI_kclr;	 /* kC  / kclr      clear-screen or erase key */
	const char *TI_kctab;	 /* kt  / kctab     clear-tab key */
	const char *TI_kdch1;	 /* kD  / kdch1     delete-character key */
	const char *TI_kdl1;	 /* kL  / kdl1      delete-line key */
	const char *TI_kcud1;	 /* kd  / kcud1     down-arrow key */