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author | Axel Beckert <abe@deuxchevaux.org> | 2011-09-03 14:05:19 +0200 |
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committer | Axel Beckert <abe@deuxchevaux.org> | 2011-09-03 14:05:19 +0200 |
commit | 0636e9ecb5a32db4d4520f50a20652faa825feaf (patch) | |
tree | b94df9221e8ae0de0dc3afac301d5b63b136a7b4 /display.h | |
download | screen-upstream/3.7.2.tar.gz |
Imported Upstream version 3.7.2upstream/3.7.2
Diffstat (limited to 'display.h')
-rw-r--r-- | display.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/display.h b/display.h new file mode 100644 index 0000000..87d0944 --- /dev/null +++ b/display.h @@ -0,0 +1,222 @@ +/* Copyright (c) 1993 + * 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 2, 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, write to the + * Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + * + **************************************************************** + * $Id: display.h,v 1.9 1994/05/31 12:31:54 mlschroe Exp $ FAU + */ + + +#ifdef MAPKEYS +struct kmap +{ + char seq[8]; + char off[8]; + int nr; +}; + +#define KMAP_SEQ ((int)((struct kmap *)0)->seq) +#define KMAP_OFF ((int)((struct kmap *)0)->off) + +#define KMAP_KEYS (T_OCAPS-T_CAPS) +#define KMAP_AKEYS (T_OCAPS-T_CURSOR) +#define KMAP_EXT 50 + +#define KMAP_NOTIMEOUT 0x4000 + +#endif + +struct win; /* forward declaration */ + +struct display +{ + struct display *d_next; /* linked list */ + struct user *d_user; /* user who owns that display */ + struct LayFuncs *d_layfn; /* current layer functions */ + struct layer *d_lay; /* layers on the display */ + struct win *d_fore; /* pointer to fore window */ + struct win *d_other; /* pointer to other window */ + char d_nonblock; /* don't block when d_obufmax reached */ + char d_termname[20 + 1]; /* $TERM */ + char *d_tentry; /* buffer for tgetstr */ + char d_tcinited; /* termcap inited flag */ + int d_width, d_height; /* width/height of the screen */ + int d_defwidth, d_defheight; /* default width/height of windows */ + int d_top, d_bot; /* scrollregion start/end */ + int d_x, d_y; /* cursor position */ + struct mchar d_rend; /* current rendition */ + char d_atyp; /* current attribute types */ +#ifdef KANJI + int d_mbcs; /* saved char for multibytes charset */ + int d_kanji; /* what kanji type the display is */ +#endif + int d_insert; /* insert mode flag */ + int d_keypad; /* application keypad flag */ + int d_cursorkeys; /* application cursorkeys flag */ + int d_revvid; /* reverse video */ + int d_curvis; /* cursor visibility */ + int d_hstatus; /* hardstatus used */ + int d_lp_missing; /* last character on bot line missing */ + struct mchar d_lpchar; /* missing char */ + time_t d_status_time; /* time of status display */ + char d_status; /* is status displayed? */ + char d_status_bell; /* is it only a vbell? */ + int d_status_len; /* length of status line */ + char *d_status_lastmsg; /* last displayed message */ + int d_status_buflen; /* last message buffer len */ + int d_status_lastx; /* position of the cursor */ + int d_status_lasty; /* before status was displayed */ + int d_ESCseen; /* Was the last char an ESC (^a) */ + int d_userpid; /* pid of attacher */ + char d_usertty[MAXPATHLEN]; /* tty we are attached to */ + int d_userfd; /* fd of the tty */ + struct mode d_OldMode; /* tty mode when screen was started */ + struct mode d_NewMode; /* New tty mode */ + int d_flow; /* tty's flow control on/off flag*/ + char *d_obuf; /* output buffer */ + int d_obuflen; /* len of buffer */ + int d_obufmax; /* len where we are blocking the pty */ + char *d_obufp; /* pointer in buffer */ + int d_obuffree; /* free bytes in buffer */ +#ifdef AUTO_NUKE + int d_auto_nuke; /* autonuke flag */ +#endif +#ifdef MAPKEYS + int d_nseqs; /* number of valid mappings */ + char *d_seqp; /* pointer into keymap array */ + int d_seql; /* number of parsed chars */ + int d_seqruns; /* number of select calls */ + int d_dontmap; /* do not map next */ + int d_mapdefault; /* do map next to default */ + struct kmap d_kmaps[KMAP_KEYS+KMAP_EXT]; /* keymaps */ +#endif + union tcu d_tcs[T_N]; /* terminal capabilities */ + char *d_attrtab[NATTR]; /* attrib emulation table */ + char d_attrtyp[NATTR]; /* attrib group table */ + short d_dospeed; /* baudrate of tty */ + char d_c0_tab[256]; /* conversion for C0 */ + char ***d_xtable; /* char translation table */ + int d_UPcost, d_DOcost, d_LEcost, d_NDcost; + int d_CRcost, d_IMcost, d_EIcost, d_NLcost; + int d_printfd; /* fd for vt100 print sequence */ +#ifdef UTMPOK + slot_t d_loginslot; /* offset, where utmp_logintty belongs */ + struct utmp d_utmp_logintty; /* here the original utmp structure is stored */ +# ifdef _SEQUENT_ + char d_loginhost[100+1]; +# endif /* _SEQUENT_ */ +#endif +}; + +#ifdef MULTI +# define DISPLAY(x) display->x +#else +extern struct display TheDisplay; +# define DISPLAY(x) TheDisplay.x +#endif + +#define D_user DISPLAY(d_user) +#define D_username (DISPLAY(d_user) ? DISPLAY(d_user)->u_name : 0) +#define D_layfn DISPLAY(d_layfn) +#define D_lay DISPLAY(d_lay) +#define D_fore DISPLAY(d_fore) +#define D_other DISPLAY(d_other) +#define D_nonblock DISPLAY(d_nonblock) +#define D_termname DISPLAY(d_termname) +#define D_tentry DISPLAY(d_tentry) +#define D_tcinited DISPLAY(d_tcinited) +#define D_width DISPLAY(d_width) +#define D_height DISPLAY(d_height) +#define D_defwidth DISPLAY(d_defwidth) +#define D_defheight DISPLAY(d_defheight) +#define D_top DISPLAY(d_top) +#define D_bot DISPLAY(d_bot) +#define D_x DISPLAY(d_x) +#define D_y DISPLAY(d_y) +#define D_rend DISPLAY(d_rend) +#define D_atyp DISPLAY(d_atyp) +#define D_mbcs DISPLAY(d_mbcs) +#define D_kanji DISPLAY(d_kanji) +#define D_insert DISPLAY(d_insert) +#define D_keypad DISPLAY(d_keypad) +#define D_cursorkeys DISPLAY(d_cursorkeys) +#define D_revvid DISPLAY(d_revvid) +#define D_curvis DISPLAY(d_curvis) +#define D_hstatus DISPLAY(d_hstatus) +#define D_lp_missing DISPLAY(d_lp_missing) +#define D_lpchar DISPLAY(d_lpchar) +#define D_status DISPLAY(d_status) +#define D_status_time DISPLAY(d_status_time) +#define D_status_bell DISPLAY(d_status_bell) +#define D_status_len DISPLAY(d_status_len) +#define D_status_lastmsg DISPLAY(d_status_lastmsg) +#define D_status_buflen DISPLAY(d_status_buflen) +#define D_status_lastx DISPLAY(d_status_lastx) +#define D_status_lasty DISPLAY(d_status_lasty) +#define D_ESCseen DISPLAY(d_ESCseen) +#define D_userpid DISPLAY(d_userpid) +#define D_usertty DISPLAY(d_usertty) +#define D_userfd DISPLAY(d_userfd) +#define D_OldMode DISPLAY(d_OldMode) +#define D_NewMode DISPLAY(d_NewMode) +#define D_flow DISPLAY(d_flow) +#define D_obuf DISPLAY(d_obuf) +#define D_obuflen DISPLAY(d_obuflen) +#define D_obufmax DISPLAY(d_obufmax) +#define D_obufp DISPLAY(d_obufp) +#define D_obuffree DISPLAY(d_obuffree) +#define D_auto_nuke DISPLAY(d_auto_nuke) +#define D_nseqs DISPLAY(d_nseqs) +#define D_seqp DISPLAY(d_seqp) +#define D_seql DISPLAY(d_seql) +#define D_seqruns DISPLAY(d_seqruns) +#define D_dontmap DISPLAY(d_dontmap) +#define D_mapdefault DISPLAY(d_mapdefault) +#define D_kmaps DISPLAY(d_kmaps) +#define D_tcs DISPLAY(d_tcs) +#define D_attrtab DISPLAY(d_attrtab) +#define D_attrtyp DISPLAY(d_attrtyp) +#define D_dospeed DISPLAY(d_dospeed) +#define D_c0_tab DISPLAY(d_c0_tab) +#define D_xtable DISPLAY(d_xtable) +#define D_UPcost DISPLAY(d_UPcost) +#define D_DOcost DISPLAY(d_DOcost) +#define D_LEcost DISPLAY(d_LEcost) +#define D_NDcost DISPLAY(d_NDcost) +#define D_CRcost DISPLAY(d_CRcost) +#define D_IMcost DISPLAY(d_IMcost) +#define D_EIcost DISPLAY(d_EIcost) +#define D_NLcost DISPLAY(d_NLcost) +#define D_printfd DISPLAY(d_printfd) +#define D_loginslot DISPLAY(d_loginslot) +#define D_utmp_logintty DISPLAY(d_utmp_logintty) +#define D_loginhost DISPLAY(d_loginhost) + + +#define GRAIN 4096 /* Allocation grain size for output buffer */ +#define OBUF_MAX 256 /* default for obuflimit */ + +#define OUTPUT_BLOCK_SIZE 256 /* Block size of output to tty */ + +#define AddChar(c) do { \ + if (--D_obuffree == 0) \ + Resize_obuf(); \ + *D_obufp++ = (c); \ +} while (0) + |