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Diffstat (limited to 'window.h')
| -rw-r--r-- | window.h | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/window.h b/window.h new file mode 100644 index 0000000..2d7e0f5 --- /dev/null +++ b/window.h @@ -0,0 +1,357 @@ +/* Copyright (c) 2010 + * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de) + * Sadrul Habib Chowdhury (sadrul@users.sourceforge.net) + * Copyright (c) 2008, 2009 + * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de) + * Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de) + * Micah Cowan (micah@cowan.name) + * Sadrul Habib Chowdhury (sadrul@users.sourceforge.net) + * Copyright (c) 1993-2002, 2003, 2005, 2006, 2007 + * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de) + * Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de) + * Copyright (c) 1987 Oliver Laumann + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program (see the file COPYING); if not, see + * https://www.gnu.org/licenses/, or contact Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA + * + **************************************************************** + * $Id$ GNU + */ + +#ifndef SCREEN_WINDOW_H +#define SCREEN_WINDOW_H + +/* keep this in sync with the initialisations in window.c */ +struct NewWindow +{ + int StartAt; /* where to start the search for the slot */ + char *aka; /* aka string */ + char **args; /* argv vector */ + char *dir; /* directory for chdir */ + char *term; /* TERM to be set instead of "screen" */ + int aflag; + int dynamicaka; + int flowflag; + int lflag; + int histheight; + int monitor; + int wlock; /* default writelock setting */ + int silence; + int wrap; + int Lflag; /* logging */ + int slow; /* inter character milliseconds */ + int gr; + int c1; + int bce; + int encoding; + char *hstatus; + char *charset; + int poll_zombie_timeout; +}; + +#ifdef PSEUDOS + +struct pseudowin +{ + int p_fdpat; + int p_pid; + int p_ptyfd; + struct event p_readev; + struct event p_writeev; + char p_cmd[MAXSTR]; + char p_tty[MAXSTR]; + char p_inbuf[IOSIZE]; /* buffered writing to p_ptyfd */ + int p_inlen; +}; + +/* bits for fdpat: */ +#define F_PMASK 0x0003 +#define F_PSHIFT 2 +#define F_PFRONT 0x0001 /* . */ +#define F_PBACK 0x0002 /* ! */ +#define F_PBOTH (F_PFRONT | F_PBACK) /* : */ + +#define F_UWP 0x1000 /* | */ + +/* The screen process ...) + * ... wants to write to pseudo */ +#define W_WP(w) ((w)->w_pwin && ((w)->w_pwin->p_fdpat & F_PFRONT)) + +/* ... wants to write to window: user writes to window + * or stdout/stderr of pseudo are duplicated to window */ +#define W_WW(w) (!((w)->w_pwin) || \ +(((w)->w_pwin->p_fdpat & F_PMASK) == F_PBACK) || \ +((((w)->w_pwin->p_fdpat >> F_PSHIFT) & F_PMASK) == F_PBOTH) || \ +((((w)->w_pwin->p_fdpat >> (F_PSHIFT * 2)) & F_PMASK) == F_PBOTH)) + +/* ... wants to read from pseudowin */ +#define W_RP(w) ((w)->w_pwin && ((w)->w_pwin->p_fdpat & \ +((F_PFRONT << (F_PSHIFT * 2)) | (F_PFRONT << F_PSHIFT)) )) + +/* ... wants to read from window */ +#define W_RW(w) (!((w)->w_pwin) || ((w)->w_pwin->p_fdpat & F_PFRONT)) + +/* user input is written to pseudo */ +#define W_UWP(w) ((w)->w_pwin && ((w)->w_pwin->p_fdpat & F_UWP)) + +/* pseudo output has to be stuffed in window */ +#define W_PTOW(w) (\ +((w)->w_pwin->p_fdpat & F_PMASK << F_PSHIFT) == F_PBOTH << F_PSHIFT || \ +((w)->w_pwin->p_fdpat & F_PMASK << F_PSHIFT * 2) == F_PBOTH << F_PSHIFT * 2 ) + +/* window output has to be stuffed in pseudo */ +#define W_WTOP(w) (((w)->w_pwin->p_fdpat & F_PMASK) == F_PBOTH) + +#endif /* PSEUDOS */ + +/* definitions for wlocktype */ +#define WLOCK_OFF 0 /* all in w_userbits can write */ +#define WLOCK_AUTO 1 /* who selects first, can write */ +#define WLOCK_ON 2 /* user writes even if deselected */ + + +#ifdef COPY_PASTE +struct paster +{ + char *pa_pastebuf; /* this gets pasted in the window */ + char *pa_pasteptr; /* pointer in pastebuf */ + int pa_pastelen; /* bytes left to paste */ + struct layer *pa_pastelayer; /* layer to paste into */ + struct event pa_slowev; /* slowpaste event */ +}; +#else +struct paster; +#endif + +struct win +{ + struct win *w_next; /* next window */ + int w_type; /* type of window */ + void *w_data; + struct layer w_layer; /* our layer */ + struct layer *w_savelayer; /* the layer to keep */ + int w_blocked; /* block input */ +#ifdef PSEUDOS + struct pseudowin *w_pwin; /* ptr to pseudo */ +#endif + struct display *w_pdisplay; /* display for printer relay */ + struct display *w_lastdisp; /* where the last input was made */ + int w_number; /* window number */ + struct event w_readev; + struct event w_writeev; + struct event w_silenceev; /* silence event */ + struct event w_zombieev; /* event to try to resurrect window */ + int w_poll_zombie_timeout; + int w_ptyfd; /* fd of the master pty */ + char w_inbuf[IOSIZE]; + int w_inlen; + char w_outbuf[IOSIZE]; + int w_outlen; + int w_aflag; /* (-a option) */ + int w_dynamicaka; /* should we change name */ + char *w_title; /* name of the window */ + char *w_akachange; /* autoaka hack */ + char w_akabuf[MAXSTR]; /* aka buffer */ + int w_autoaka; /* autoaka hack */ + struct win *w_group; /* window group we belong to */ + int w_intermediate; /* char used while parsing ESC-seq */ + int w_args[MAXARGS]; /* emulator args */ + int w_NumArgs; + +#ifdef MULTIUSER + int w_wlock; /* WLOCK_AUTO, WLOCK_OFF, WLOCK_ON */ + struct acluser *w_wlockuser; /* NULL when unlocked or user who writes */ + AclBits w_userbits[ACL_BITS_PER_WIN]; + AclBits w_lio_notify; /* whom to tell when lastio+seconds < time() */ + AclBits w_mon_notify; /* whom to tell monitor statis */ +#endif + + enum state_t w_state; /* parser state */ + enum string_t w_StringType; + struct mline *w_mlines; + struct mchar w_rend; /* current rendition */ +#ifdef FONT + char w_FontL; /* character font GL */ + char w_FontR; /* character font GR */ +# ifdef ENCODINGS + char w_FontE; /* character font GR locked */ +# endif + int w_Charset; /* charset number GL */ + int w_CharsetR; /* charset number GR */ + int w_charsets[4]; /* Font = charsets[Charset] */ +#endif + int w_ss; + struct cursor { + int on; + int x, y; + struct mchar Rend; +#ifdef FONT + int Charset; + int CharsetR; + int Charsets[4]; +#endif + } w_saved; + int w_top, w_bot; /* scrollregion */ + int w_wrap; /* autowrap */ + int w_origin; /* origin mode */ + int w_insert; /* window is in insert mode */ + int w_keypad; /* keypad mode */ + int w_cursorkeys; /* appl. cursorkeys mode */ + int w_revvid; /* reverse video */ + int w_curinv; /* cursor invisible */ + int w_curvvis; /* cursor very visible */ + int w_autolf; /* automatic linefeed */ + char *w_hstatus; /* hardstatus line */ + int w_gr; /* enable GR flag */ + int w_c1; /* enable C1 flag */ + int w_bce; /* enable backcol erase */ +#if 0 + int w_encoding; /* for input and paste */ +#endif + int w_decodestate; /* state of our input decoder */ +#ifdef DW_CHARS + int w_mbcs; /* saved char for multibytes charset */ +#endif + char w_string[MAXSTR]; + char *w_stringp; + char *w_tabs; /* line with tabs */ + int w_bell; /* bell status of this window */ + int w_flow; /* flow flags */ + struct logfile *w_log; /* log to file */ + int w_logsilence; /* silence in secs */ + int w_monitor; /* monitor status */ + int w_silencewait; /* wait for silencewait secs */ + int w_silence; /* silence status (Lloyd Zusman) */ + char w_vbwait; + char w_norefresh; /* dont redisplay when switching to that win */ +#ifdef RXVT_OSC + char w_xtermosc[5][2560]; /* special xterm/rxvt escapes */ +#endif + int w_mouse; /* mouse mode 0,9,1000 */ + int w_extmouse; /* extended mouse mode 0,1006 */ +#ifdef HAVE_BRAILLE + int w_bd_x, w_bd_y; /* Braille cursor position */ +#endif + +#ifdef COPY_PASTE + int w_slowpaste; /* do careful writes to the window */ + int w_histheight; /* all histbases are malloced with width * histheight */ + int w_histidx; /* 0 <= histidx < histheight; where we insert lines */ + int w_scrollback_height; /* number of lines of output stored, to be updated with w_histidx, w_histheight */ + struct mline *w_hlines; /* history buffer */ + struct paster w_paster; /* paste info */ +#else + int w_histheight; /* always 0 */ +#endif + int w_pid; /* process at the other end of ptyfd */ + int w_deadpid; /* saved w_pid of a process that closed the ptyfd to us */ + + char *w_cmdargs[MAXARGS]; /* command line argument vector */ + char *w_dir; /* directory for chdir */ + char *w_term; /* TERM to be set instead of "screen" */ + + int w_lflag; /* login flag */ + slot_t w_slot; /* utmp slot */ +#if defined (UTMPOK) + struct utmp w_savut; /* utmp entry of this window */ +#endif + + char w_tty[MAXSTR]; + + int w_zauto; +#ifdef ZMODEM + struct display *w_zdisplay; +#endif +#ifdef BUILTIN_TELNET + struct sockaddr_storage w_telsa; + char w_telbuf[IOSIZE]; + int w_telbufl; + char w_telmopts[256]; + char w_telropts[256]; + int w_telstate; + char w_telsubbuf[128]; + int w_telsubidx; + struct event w_telconnev; +#endif + struct { + int on; /* Is the alternate buffer currently being used? */ + struct mline *mlines; + int width; + int height; +#ifdef COPY_PASTE + int histheight; + struct mline *hlines; + int histidx; +#else + int histheight; /* 0 */ +#endif + struct cursor cursor; + } w_alt; + + struct event w_destroyev; /* window destroy event */ +#ifdef BSDWAIT + union wait w_exitstatus; /* window exit status */ +#else + int w_exitstatus; +#endif +}; + + +#define w_encoding w_layer.l_encoding +#define w_width w_layer.l_width +#define w_height w_layer.l_height +#define w_x w_layer.l_x +#define w_y w_layer.l_y + +/* definitions for w_type */ +#define W_TYPE_PTY 0 +#define W_TYPE_PLAIN 1 +#define W_TYPE_TELNET 2 +#define W_TYPE_GROUP 3 + + +/* + * Definitions for flow + * 000 -(-) flow off, auto would be off + * 001 +(-) flow on , auto would be off + * 010 -(+) flow off, auto would be on + * 011 +(+) flow on , auto would be on + * 100 - flow auto, currently off + * 111 + flow auto, currently on + * Application controls auto_flow via TIOCPKT, if available, + * else via application keypad mode. + */ +#define FLOW_NOW (1<<0) +#define FLOW_AUTO (1<<1) +#define FLOW_AUTOFLAG (1<<2) + + +/* + * WIN gives us a reference to line y of the *whole* image + * where line 0 is the oldest line in our history. + * y must be in whole image coordinate system, not in display. + */ + +#define WIN(y) ((y < fore->w_histheight) ? \ + &fore->w_hlines[(fore->w_histidx + y) % fore->w_histheight] \ + : &fore->w_mlines[y - fore->w_histheight]) + +#define Layer2Window(l) ((struct win *)(l)->l_bottom->l_data) + +int WindowChangeNumber __P((int, int)); +int OpenDevice __P((char **, int, int *, char **)); + +#endif /* SCREEN_WINDOW_H */ + |