Imported Upstream version 4.1.0~20110819git450e8f3upstream/4.1.0_20110819git450e8f3

1 files changed, 349 insertions, 0 deletions

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+/* 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
+ * http://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	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;
+};
+
+#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 */
+  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) */
+  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[4][MAXSTR];	/* special xterm/rxvt escapes */
+#endif
+  int    w_mouse;		/* mouse mode 0,9,1000 */
+#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 */
+  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_in 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((struct win *, int));
+
+#endif /* SCREEN_WINDOW_H */
+