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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:28:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:28:28 +0000
commit5a5e2352c9a01f9076994915188c26c6b9036202 (patch)
tree1e1474b8b914d161946c01ba26a56db68b1fd5d3 /display.h
parentInitial commit. (diff)
downloadscreen-5a5e2352c9a01f9076994915188c26c6b9036202.tar.xz
screen-5a5e2352c9a01f9076994915188c26c6b9036202.zip
Adding upstream version 4.9.0.upstream/4.9.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'display.h')
-rw-r--r--display.h338
1 files changed, 338 insertions, 0 deletions
diff --git a/display.h b/display.h
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--- /dev/null
+++ b/display.h
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+/* 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_DISPLAY_H
+#define SCREEN_DISPLAY_H
+
+#include "layout.h"
+#include "canvas.h"
+#include "viewport.h"
+
+#ifdef MAPKEYS
+
+#define KMAP_KEYS (T_OCAPS-T_CAPS)
+#define KMAP_AKEYS (T_OCAPS-T_CURSOR)
+
+#define KMAP_NOTIMEOUT 0x4000
+
+struct kmap_ext
+{
+ char *str;
+ int fl;
+ struct action um;
+ struct action dm;
+ struct action mm;
+};
+
+#else
+
+#define KMAP_KEYS 0
+
+#endif
+
+struct win; /* forward declaration */
+
+struct mouse_parse
+{
+ char sgrmode; /* non-zero if parsing an SGR sequence */
+ int state; /* current state of parsing */
+ int params[3]; /* parsed params: button, x, y */
+};
+
+struct display
+{
+ struct display *d_next; /* linked list */
+ struct acluser *d_user; /* user who owns that display */
+ struct canvas d_canvas; /* our canvas slice */
+ struct canvas *d_cvlist; /* the canvases of this display */
+ struct canvas *d_forecv; /* current input focus */
+ struct layout *d_layout; /* layout we're using */
+ void (*d_processinput) __P((char *, int));
+ char *d_processinputdata; /* data for processinput */
+ int d_vpxmin, d_vpxmax; /* min/max used position on display */
+ struct win *d_fore; /* pointer to fore window */
+ struct win *d_other; /* pointer to other window */
+ int d_nonblock; /* -1 don't block if obufmax reached */
+ /* >0: block after nonblock secs */
+ char d_termname[MAXTERMLEN + 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 */
+ int d_col16change; /* the 16col bits changed in attr */
+ char d_atyp; /* current attribute types */
+#ifdef DW_CHARS
+ int d_mbcs; /* saved char for multibytes charset */
+#endif
+#ifdef ENCODINGS
+ int d_encoding; /* what encoding type the display is */
+ int d_decodestate; /* state of our decoder */
+ int d_realfont; /* real font of terminal */
+#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_has_hstatus; /* display has hardstatus line */
+ int d_hstatus; /* hardstatus used */
+ int d_lp_missing; /* last character on bot line missing */
+ int d_mouse; /* mouse mode */
+ int d_extmouse; /* extended mouse mode */
+ struct mouse_parse d_mouse_parse; /* state of mouse code parsing */
+ int d_mousetrack; /* set when user wants to use mouse even when the window
+ does not */
+#ifdef RXVT_OSC
+ int d_xtermosc[5]; /* osc used */
+#endif
+ struct mchar d_lpchar; /* missing char */
+ struct timeval d_status_time; /* time of status display */
+ int 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_status_obuflen; /* saved obuflen */
+ int d_status_obuffree; /* saved obuffree */
+ int d_status_obufpos; /* end of status position in obuf */
+ struct event d_statusev; /* timeout event */
+ struct event d_hstatusev; /* hstatus changed event */
+ int d_kaablamm; /* display kaablamm msg */
+ struct action *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 event d_readev; /* userfd read event */
+ struct event d_writeev; /* userfd write event */
+ struct event d_blockedev; /* blocked timeout */
+ 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*/
+ int d_intrc; /* current intr when flow is on */
+ char *d_obuf; /* output buffer */
+ int d_obuflen; /* len of buffer */
+ int d_obufmax; /* len where we are blocking the pty */
+ int d_obuflenmax; /* len - max */
+ 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 */
+ int d_aseqs; /* number of allocated mappings */
+ unsigned char *d_kmaps; /* keymaps */
+ unsigned char *d_seqp; /* pointer into keymap array */
+ int d_seql; /* number of parsed chars */
+ unsigned char *d_seqh; /* last hit */
+ struct event d_mapev; /* timeout event */
+ int d_dontmap; /* do not map next */
+ int d_mapdefault; /* do map next to default */
+#endif
+ union tcu d_tcs[T_N]; /* terminal capabilities */
+ char *d_attrtab[NATTR]; /* attrib emulation table */
+ char d_attrtyp[NATTR]; /* attrib group table */
+ int d_hascolor; /* do we support color */
+ short d_dospeed; /* baudrate of tty */
+#ifdef FONT
+ char d_c0_tab[256]; /* conversion for C0 */
+ char ***d_xtable; /* char translation table */
+#endif
+ 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 */
+ int d_loginttymode;
+# ifdef _SEQUENT_
+ char d_loginhost[100+1];
+# endif /* _SEQUENT_ */
+#endif
+ int d_blocked;
+ int d_blocked_fuzz;
+ struct event d_idleev; /* screen blanker */
+#ifdef BLANKER_PRG
+ int d_blankerpid;
+ struct event d_blankerev;
+#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_canvas DISPLAY(d_canvas)
+#define D_cvlist DISPLAY(d_cvlist)
+#define D_layout DISPLAY(d_layout)
+#define D_forecv DISPLAY(d_forecv)
+#define D_processinput DISPLAY(d_processinput)
+#define D_processinputdata DISPLAY(d_processinputdata)
+#define D_vpxmin DISPLAY(d_vpxmin)
+#define D_vpxmax DISPLAY(d_vpxmax)
+#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_col16change DISPLAY(d_col16change)
+#define D_atyp DISPLAY(d_atyp)
+#define D_mbcs DISPLAY(d_mbcs)
+#define D_encoding DISPLAY(d_encoding)
+#define D_decodestate DISPLAY(d_decodestate)
+#define D_realfont DISPLAY(d_realfont)
+#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_has_hstatus DISPLAY(d_has_hstatus)
+#define D_hstatus DISPLAY(d_hstatus)
+#define D_lp_missing DISPLAY(d_lp_missing)
+#define D_mouse DISPLAY(d_mouse)
+#define D_mouse_parse DISPLAY(d_mouse_parse)
+#define D_extmouse DISPLAY(d_extmouse)
+#define D_mousetrack DISPLAY(d_mousetrack)
+#define D_xtermosc DISPLAY(d_xtermosc)
+#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_status_obuflen DISPLAY(d_status_obuflen)
+#define D_status_obuffree DISPLAY(d_status_obuffree)
+#define D_status_obufpos DISPLAY(d_status_obufpos)
+#define D_statusev DISPLAY(d_statusev)
+#define D_hstatusev DISPLAY(d_hstatusev)
+#define D_kaablamm DISPLAY(d_kaablamm)
+#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_intr DISPLAY(d_intr)
+#define D_obuf DISPLAY(d_obuf)
+#define D_obuflen DISPLAY(d_obuflen)
+#define D_obufmax DISPLAY(d_obufmax)
+#define D_obuflenmax DISPLAY(d_obuflenmax)
+#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_aseqs DISPLAY(d_aseqs)
+#define D_seqp DISPLAY(d_seqp)
+#define D_seql DISPLAY(d_seql)
+#define D_seqh DISPLAY(d_seqh)
+#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_hascolor DISPLAY(d_hascolor)
+#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_loginttymode DISPLAY(d_loginttymode)
+#define D_loginhost DISPLAY(d_loginhost)
+#define D_readev DISPLAY(d_readev)
+#define D_writeev DISPLAY(d_writeev)
+#define D_blockedev DISPLAY(d_blockedev)
+#define D_mapev DISPLAY(d_mapev)
+#define D_blocked DISPLAY(d_blocked)
+#define D_blocked_fuzz DISPLAY(d_blocked_fuzz)
+#define D_idleev DISPLAY(d_idleev)
+#define D_blankerev DISPLAY(d_blankerev)
+#define D_blankerpid DISPLAY(d_blankerpid)
+
+
+#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)
+
+#define STATUS_OFF 0
+#define STATUS_ON_WIN 1
+#define STATUS_ON_HS 2
+
+#define HSTATUS_IGNORE 0
+#define HSTATUS_LASTLINE 1
+#define HSTATUS_MESSAGE 2
+#define HSTATUS_HS 3
+#define HSTATUS_FIRSTLINE 4
+#define HSTATUS_ALWAYS (1<<3)
+
+#endif /* SCREEN_DISPLAY_H */
+