ptyx.h revision c48a5815
1/* $XTermId: ptyx.h,v 1.1041 2021/11/08 22:23:28 tom Exp $ */
2
3/*
4 * Copyright 1999-2020,2021 by Thomas E. Dickey
5 *
6 *                         All Rights Reserved
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sublicense, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
22 * IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
23 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 * Except as contained in this notice, the name(s) of the above copyright
28 * holders shall not be used in advertising or otherwise to promote the
29 * sale, use or other dealings in this Software without prior written
30 * authorization.
31 *
32 *
33 * Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
34 *
35 *                         All Rights Reserved
36 *
37 * Permission to use, copy, modify, and distribute this software and its
38 * documentation for any purpose and without fee is hereby granted,
39 * provided that the above copyright notice appear in all copies and that
40 * both that copyright notice and this permission notice appear in
41 * supporting documentation, and that the name of Digital Equipment
42 * Corporation not be used in advertising or publicity pertaining to
43 * distribution of the software without specific, written prior permission.
44 *
45 *
46 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
47 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
48 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
49 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
50 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
51 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
52 * SOFTWARE.
53 */
54
55#ifndef included_ptyx_h
56#define included_ptyx_h 1
57
58#ifdef HAVE_CONFIG_H
59#include <xtermcfg.h>
60#endif
61
62/* ptyx.h */
63/* *INDENT-OFF* */
64/* @(#)ptyx.h	X10/6.6	11/10/86 */
65
66#include <X11/IntrinsicP.h>
67#include <X11/Shell.h>		/* for XtNdieCallback, etc. */
68#include <X11/StringDefs.h>	/* for standard resource names */
69#include <X11/Xmu/Misc.h>	/* For Max() and Min(). */
70#include <X11/cursorfont.h>
71
72
73#undef bcopy
74#undef bzero
75#include <X11/Xfuncs.h>
76
77#include <X11/Xosdefs.h>
78#include <X11/Xmu/Converters.h>
79#ifdef XRENDERFONT
80#include <X11/Xft/Xft.h>
81#endif
82
83#include <stdio.h>
84
85#if defined(HAVE_STDINT_H) || !defined(HAVE_CONFIG_H)
86#include <stdint.h>
87#define DECONST(type,s) ((type *)(intptr_t)(const type *)(s))
88#else
89#define DECONST(type,s) ((type *)(s))
90#endif
91
92/* adapted from IntrinsicI.h */
93#define MyStackAlloc(size, stack_cache_array)     \
94    ((size) <= sizeof(stack_cache_array)	  \
95    ?  (XtPointer)(stack_cache_array)		  \
96    :  (XtPointer)malloc((size_t)(size)))
97
98#define MyStackFree(pointer, stack_cache_array) \
99    if ((pointer) != ((char *)(stack_cache_array))) free(pointer)
100
101/* adapted from vile (vi-like-emacs) */
102#define TypeCallocN(type,n)	(type *)calloc((size_t) (n), sizeof(type))
103#define TypeCalloc(type)	TypeCallocN(type, 1)
104
105#define TypeMallocN(type,n)	(type *)malloc(sizeof(type) * (size_t) (n))
106#define TypeMalloc(type)	TypeMallocN(type, 1)
107
108#define TypeRealloc(type,n,p)	(type *)realloc(p, (n) * sizeof(type))
109
110#define TypeXtReallocN(t,p,n)	(t *)(void *)XtRealloc((char *)(p), (Cardinal)(sizeof(t) * (size_t) (n)))
111
112#define TypeXtMallocX(type,n)	(type *)(void *)XtMalloc((Cardinal)(sizeof(type) + (size_t) (n)))
113#define TypeXtMallocN(type,n)	(type *)(void *)XtMalloc((Cardinal)(sizeof(type) * (size_t) (n)))
114#define TypeXtMalloc(type)	TypeXtMallocN(type, 1)
115
116#define CastMalloc(type)	(type *)malloc(sizeof(type))
117
118#define BumpBuffer(type, buffer, size, want) \
119	if (want >= size) { \
120	    size = 1 + (want * 2); \
121	    buffer = TypeRealloc(type, size, buffer); \
122	}
123
124#define BfBuf(type) screen->bf_buf_##type
125#define BfLen(type) screen->bf_len_##type
126
127#define TypedBuffer(type) \
128	type		*bf_buf_##type; \
129	Cardinal	bf_len_##type
130
131#define BumpTypedBuffer(type, want) \
132	BumpBuffer(type, BfBuf(type), BfLen(type), want)
133
134#define FreeTypedBuffer(type) \
135	do { \
136	    FreeAndNull(BfBuf(type)); \
137	    BfLen(type) = 0; \
138	} while (0)
139
140#define FreeAndNull(value) \
141	do { \
142	    free((void *)(value)); \
143	    value = NULL; \
144	} while (0)
145
146/*
147** System V definitions
148*/
149
150#ifdef att
151#define ATT
152#endif
153
154#ifdef SVR4
155#undef  SYSV			/* predefined on Solaris 2.4 */
156#define SYSV			/* SVR4 is (approx) superset of SVR3 */
157#define ATT
158#endif
159
160#ifdef SYSV
161#ifdef X_NOT_POSIX
162#if !defined(CRAY) && !defined(SVR4)
163#define	dup2(fd1,fd2)	((fd1 == fd2) ? fd1 : \
164				(close(fd2), fcntl(fd1, F_DUPFD, fd2)))
165#endif
166#endif
167#endif /* SYSV */
168
169/*
170 * Newer versions of <X11/Xft/Xft.h> have a version number.  We use certain
171 * features from that.
172 */
173#if defined(XRENDERFONT) && defined(XFT_VERSION) && XFT_VERSION >= 20100
174#define HAVE_TYPE_FCCHAR32	1	/* compatible: XftChar16 */
175#define HAVE_TYPE_XFTCHARSPEC	1	/* new type XftCharSpec */
176#endif
177
178/*
179** Definitions to simplify ifdef's for pty's.
180*/
181#define USE_PTY_DEVICE 1
182#define USE_PTY_SEARCH 1
183
184#if defined(__osf__) || (defined(linux) && defined(__GLIBC__) && (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)) || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
185#undef USE_PTY_DEVICE
186#undef USE_PTY_SEARCH
187#define USE_PTS_DEVICE 1
188#elif defined(VMS)
189#undef USE_PTY_DEVICE
190#undef USE_PTY_SEARCH
191#elif defined(PUCC_PTYD)
192#undef USE_PTY_SEARCH
193#elif (defined(sun) && defined(SVR4)) || defined(_ALL_SOURCE) || defined(__CYGWIN__)
194#undef USE_PTY_SEARCH
195#elif defined(__OpenBSD__)
196#undef USE_PTY_SEARCH
197#undef USE_PTY_DEVICE
198#endif
199
200#if (defined (__GLIBC__) && ((__GLIBC__ > 2) || (__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 1)))
201#define USE_HANDSHAKE 0	/* "recent" Linux systems do not require handshaking */
202#endif
203
204#if (defined (__GLIBC__) && ((__GLIBC__ > 2) || (__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 1)))
205#define USE_USG_PTYS
206#elif (defined(ATT) && !defined(__sgi)) || defined(__MVS__) || (defined(SYSV) && defined(i386))
207#define USE_USG_PTYS
208#endif
209
210/*
211 * More systems than not require pty-handshaking.
212 */
213#ifndef USE_HANDSHAKE
214#define USE_HANDSHAKE 1
215#endif
216
217/*
218** allow for mobility of the pty master/slave directories
219*/
220#ifndef PTYDEV
221#if defined(__hpux)
222#define	PTYDEV		"/dev/ptym/ptyxx"
223#elif defined(__MVS__)
224#define	PTYDEV		"/dev/ptypxxxx"
225#else
226#define	PTYDEV		"/dev/ptyxx"
227#endif
228#endif	/* !PTYDEV */
229
230#ifndef TTYDEV
231#if defined(__hpux)
232#define TTYDEV		"/dev/pty/ttyxx"
233#elif defined(__MVS__)
234#define TTYDEV		"/dev/ptypxxxx"
235#elif defined(USE_PTS_DEVICE)
236#define TTYDEV		"/dev/pts/0"
237#else
238#define	TTYDEV		"/dev/ttyxx"
239#endif
240#endif	/* !TTYDEV */
241
242#ifndef PTYCHAR1
243#ifdef __hpux
244#define PTYCHAR1	"zyxwvutsrqp"
245#else	/* !__hpux */
246#define	PTYCHAR1	"pqrstuvwxyzPQRSTUVWXYZ"
247#endif	/* !__hpux */
248#endif	/* !PTYCHAR1 */
249
250#ifndef PTYCHAR2
251#ifdef __hpux
252#define	PTYCHAR2	"fedcba9876543210"
253#else	/* !__hpux */
254#if defined(__DragonFly__) || defined(__FreeBSD__)
255#define	PTYCHAR2	"0123456789abcdefghijklmnopqrstuv"
256#else /* !__FreeBSD__ */
257#define	PTYCHAR2	"0123456789abcdef"
258#endif /* !__FreeBSD__ */
259#endif	/* !__hpux */
260#endif	/* !PTYCHAR2 */
261
262#ifndef TTYFORMAT
263#if defined(CRAY)
264#define TTYFORMAT "/dev/ttyp%03d"
265#elif defined(__MVS__)
266#define TTYFORMAT "/dev/ttyp%04d"
267#else
268#define TTYFORMAT "/dev/ttyp%d"
269#endif
270#endif /* TTYFORMAT */
271
272#ifndef PTYFORMAT
273#ifdef CRAY
274#define PTYFORMAT "/dev/pty/%03d"
275#elif defined(__MVS__)
276#define PTYFORMAT "/dev/ptyp%04d"
277#else
278#define PTYFORMAT "/dev/ptyp%d"
279#endif
280#endif /* PTYFORMAT */
281
282#ifndef PTYCHARLEN
283#ifdef CRAY
284#define PTYCHARLEN 3
285#elif defined(__MVS__)
286#define PTYCHARLEN 8     /* OS/390 stores, e.g. ut_id="ttyp1234"  */
287#else
288#define PTYCHARLEN 2
289#endif
290#endif
291
292#ifndef MAXPTTYS
293#ifdef CRAY
294#define MAXPTTYS 256
295#else
296#define MAXPTTYS 2048
297#endif
298#endif
299
300/* Until the translation manager comes along, I have to do my own translation of
301 * mouse events into the proper routines. */
302
303typedef enum {
304    NORMAL = 0
305    , LEFTEXTENSION
306    , RIGHTEXTENSION
307} EventMode;
308
309/*
310 * The origin of a screen is 0, 0.  Therefore, the number of rows
311 * on a screen is screen->max_row + 1, and similarly for columns.
312 */
313#define MaxCols(screen)		((screen)->max_col + 1)
314#define MaxRows(screen)		((screen)->max_row + 1)
315
316typedef unsigned char Char;		/* to support 8 bit chars */
317typedef Char *ScrnPtr;
318typedef ScrnPtr *ScrnBuf;
319
320/*
321 * Declare an X String, but for unsigned chars.
322 */
323#ifdef _CONST_X_STRING
324typedef const Char *UString;
325#else
326typedef Char *UString;
327#endif
328
329#define IsEmpty(s) ((s) == 0 || *(s) == '\0')
330#define IsSpace(c) ((c) == ' ' || (c) == '\t' || (c) == '\r' || (c) == '\n')
331
332/*
333 * Check strtol result, using "FullS2L" when no more data is expected, and
334 * "PartS2L" when more data may follow in the string.
335 */
336#define FullS2L(s,d) (PartS2L(s,d) && (*(d) == '\0'))
337#define PartS2L(s,d) (isdigit(CharOf(*(s))) && (d) != (s) && (d) != 0)
338
339#define CASETYPE(name) case name: result = #name; break
340
341#define CharOf(n) ((Char)(n))
342
343typedef struct {
344    int row;
345    int col;
346} CELL;
347
348typedef struct {
349    Char  *data_buffer;			/* the current selection */
350    size_t data_limit;			/* size of allocated buffer */
351    size_t data_length;			/* number of significant bytes */
352} SelectedCells;
353
354#define isSameRow(a,b)		((a)->row == (b)->row)
355#define isSameCol(a,b)		((a)->col == (b)->col)
356#define isSameCELL(a,b)		(isSameRow(a,b) && isSameCol(a,b))
357
358#define xBIT(n)         (1 << (n))
359
360/*
361 * ANSI emulation, special character codes
362 */
363#define ANSI_EOT	0x04
364#define ANSI_BEL	0x07
365#define ANSI_BS		0x08
366#define ANSI_HT		0x09
367#define ANSI_LF		0x0A
368#define ANSI_VT		0x0B
369#define	ANSI_FF		0x0C		/* C0, C1 control names		*/
370#define ANSI_CR		0x0D
371#define ANSI_SO		0x0E
372#define ANSI_SI		0x0F
373#define	ANSI_XON	0x11		/* DC1 */
374#define	ANSI_XOFF	0x13		/* DC3 */
375#define	ANSI_NAK	0x15
376#define	ANSI_CAN	0x18
377#define	ANSI_ESC	0x1B
378#define	ANSI_SPA	0x20
379#define XTERM_POUND	0x1E		/* internal mapping for '#'	*/
380#define	ANSI_DEL	0x7F
381#define	ANSI_SS2	0x8E
382#define	ANSI_SS3	0x8F
383#define	ANSI_DCS	0x90
384#define	ANSI_SOS	0x98
385#define	ANSI_CSI	0x9B
386#define	ANSI_ST		0x9C
387#define	ANSI_OSC	0x9D
388#define	ANSI_PM		0x9E
389#define	ANSI_APC	0x9F
390
391#define BAD_ASCII	'?'
392#define NonLatin1(c)	(((c) != ANSI_LF) && \
393			 ((c) != ANSI_HT) && \
394			 (((c) < ANSI_SPA) || \
395			  ((c) >= ANSI_DEL && (c) <= ANSI_APC)))
396#define OnlyLatin1(c)	(NonLatin1(c) ? BAD_ASCII : (c))
397
398#define L_CURL		'{'
399#define R_CURL		'}'
400
401#define MIN_DECID  52			/* can emulate VT52 */
402#define MAX_DECID 525			/* ...through VT525 */
403
404#ifndef DFT_DECID
405#define DFT_DECID "420"			/* default VT420 */
406#endif
407
408#ifndef DFT_KBD_DIALECT
409#define DFT_KBD_DIALECT "B"		/* default USASCII */
410#endif
411
412#define MAX_I_PARAM	65535		/* parameters */
413#define MAX_I_DELAY	32767		/* time-delay in ReGIS */
414#define MAX_U_COLOR	65535u		/* colors */
415#define MAX_U_COORD	32767u		/* coordinates */
416#define MAX_U_STRING	65535u		/* string-length */
417
418/* constants used for utf8 mode */
419#define UCS_REPL	0xfffd
420#define UCS_LIMIT	0x80000000U	/* both limit and flag for non-UCS */
421
422#define TERMCAP_SIZE 1500		/* 1023 is standard; 'screen' exceeds */
423
424#define MAX_XLFD_FONTS	1
425#define MAX_XFT_FONTS	1
426#define NMENUFONTS	10		/* font entries in fontMenu */
427
428#define	NBOX	5			/* Number of Points in box	*/
429#define	NPARAM	30			/* Max. parameters		*/
430
431typedef struct {
432	String opt;
433	String desc;
434} OptionHelp;
435
436typedef	struct {
437	int	count;			/* number of values in params[]	*/
438	int	has_subparams;		/* true if there are any sub's	*/
439	int	is_sub[NPARAM];		/* true for subparam		*/
440	int	params[NPARAM];		/* parameter value		*/
441} PARAMS;
442
443typedef short ParmType;
444typedef unsigned short UParm;		/* unparseputn passes ParmType	*/
445
446typedef struct {
447	Char		a_type;		/* CSI, etc., see unparseq()	*/
448	Char		a_pintro;	/* private-mode char, if any	*/
449	const char *	a_delim;	/* between parameters (;)	*/
450	Char		a_inters;	/* special (before final-char)	*/
451	Char		a_final;	/* final-char			*/
452	ParmType	a_nparam;	/* # of parameters		*/
453	ParmType	a_param[NPARAM]; /* Parameters			*/
454	Char		a_radix[NPARAM]; /* Parameters			*/
455} ANSI;
456
457#define TEK_FONT_LARGE 0
458#define TEK_FONT_2 1
459#define TEK_FONT_3 2
460#define TEK_FONT_SMALL 3
461#define	TEKNUMFONTS 4
462
463/* Actually there are 5 types of lines, but four are non-solid lines */
464#define	TEKNUMLINES	4
465
466typedef struct {
467	int	x;
468	int	y;
469	int	fontsize;
470	unsigned linetype;
471} Tmodes;
472
473typedef struct {
474	int Twidth;
475	int Theight;
476} T_fontsize;
477
478typedef struct {
479	short *bits;
480	int x;
481	int y;
482	int width;
483	int height;
484} BitmapBits;
485
486/* bit-assignments for extensions to DECRQCRA */
487typedef enum {
488    csDEC = 0
489    ,csPOSITIVE = xBIT(0)
490    ,csATTRIBS = xBIT(1)
491    ,csNOTRIM = xBIT(2)
492    ,csDRAWN = xBIT(3)
493    ,csBYTE = xBIT(4)
494    ,cs8TH = xBIT(5)
495} CSBITS;
496
497#define EXCHANGE(a,b,tmp) tmp = a; a = b; b = tmp
498
499/***====================================================================***/
500
501#if (XtSpecificationRelease < 6)
502#ifndef NO_ACTIVE_ICON
503#define NO_ACTIVE_ICON 1 /* Note: code relies on an X11R6 function */
504#endif
505#endif
506
507#ifndef OPT_AIX_COLORS
508#define OPT_AIX_COLORS  1 /* true if xterm is configured with AIX (16) colors */
509#endif
510
511#ifndef OPT_ALLOW_XXX_OPS
512#define OPT_ALLOW_XXX_OPS 1 /* true if xterm adds "Allow XXX Ops" submenu */
513#endif
514
515#ifndef OPT_BLINK_CURS
516#define OPT_BLINK_CURS  1 /* true if xterm has blinking cursor capability */
517#endif
518
519#ifndef OPT_BLINK_TEXT
520#define OPT_BLINK_TEXT  OPT_BLINK_CURS /* true if xterm has blinking text capability */
521#endif
522
523#ifndef OPT_BOX_CHARS
524#define OPT_BOX_CHARS	1 /* true if xterm can simulate box-characters */
525#endif
526
527#ifndef OPT_BUILTIN_XPMS
528#define OPT_BUILTIN_XPMS 0 /* true if all xpm data is compiled-in */
529#endif
530
531#ifndef OPT_BROKEN_OSC
532#ifdef linux
533#define OPT_BROKEN_OSC	1 /* man console_codes, 1st paragraph - cf: ECMA-48 */
534#else
535#define OPT_BROKEN_OSC	0 /* true if xterm allows Linux's broken OSC parsing */
536#endif
537#endif
538
539#ifndef OPT_BROKEN_ST
540#define OPT_BROKEN_ST	1 /* true if xterm allows old/broken OSC parsing */
541#endif
542
543#ifndef OPT_C1_PRINT
544#define OPT_C1_PRINT	1 /* true if xterm allows C1 controls to be printable */
545#endif
546
547#ifndef OPT_CLIP_BOLD
548#define OPT_CLIP_BOLD	1 /* true if xterm uses clipping to avoid bold-trash */
549#endif
550
551#ifndef OPT_COLOR_CLASS
552#define OPT_COLOR_CLASS 1 /* true if xterm uses separate color-resource classes */
553#endif
554
555#ifndef OPT_DABBREV
556#define OPT_DABBREV 0	/* dynamic abbreviations */
557#endif
558
559#ifndef OPT_DEC_CHRSET
560#define OPT_DEC_CHRSET  1 /* true if xterm is configured for DEC charset */
561#endif
562
563#ifndef OPT_DEC_LOCATOR
564#define	OPT_DEC_LOCATOR 0 /* true if xterm supports VT220-style mouse events */
565#endif
566
567#ifndef OPT_DEC_RECTOPS
568#define OPT_DEC_RECTOPS 1 /* true if xterm is configured for VT420 rectangles */
569#endif
570
571#ifndef OPT_SIXEL_GRAPHICS
572#define OPT_SIXEL_GRAPHICS 0 /* true if xterm supports VT240-style sixel graphics */
573#endif
574
575#ifndef OPT_PRINT_GRAPHICS
576#define OPT_PRINT_GRAPHICS 0 /* true if xterm supports screen dumps as sixel graphics */
577#endif
578
579#ifndef OPT_SCREEN_DUMPS
580#define OPT_SCREEN_DUMPS 1 /* true if xterm supports screen dumps */
581#endif
582
583#ifndef OPT_REGIS_GRAPHICS
584#define OPT_REGIS_GRAPHICS 0 /* true if xterm supports VT125/VT240/VT330 ReGIS graphics */
585#endif
586
587#ifndef OPT_GRAPHICS
588#define OPT_GRAPHICS 0 /* true if xterm is configured for any type of graphics */
589#endif
590
591#ifndef OPT_DEC_SOFTFONT
592#define OPT_DEC_SOFTFONT 0 /* true if xterm is configured for VT220 softfonts */
593#endif
594
595#ifndef OPT_DOUBLE_BUFFER
596#define OPT_DOUBLE_BUFFER 0 /* true if using double-buffering */
597#endif
598
599#ifndef OPT_EBCDIC
600#ifdef __MVS__
601#define OPT_EBCDIC 1
602#else
603#define OPT_EBCDIC 0
604#endif
605#endif
606
607#ifndef OPT_EXEC_XTERM
608#define OPT_EXEC_XTERM 0 /* true if xterm can fork/exec copies of itself */
609#endif
610
611#ifndef OPT_EXTRA_PASTE
612#define OPT_EXTRA_PASTE 1
613#endif
614
615#ifndef OPT_FOCUS_EVENT
616#define OPT_FOCUS_EVENT	1 /* focus in/out events */
617#endif
618
619#ifndef OPT_HP_FUNC_KEYS
620#define OPT_HP_FUNC_KEYS 0 /* true if xterm supports HP-style function keys */
621#endif
622
623#ifndef OPT_I18N_SUPPORT
624#if (XtSpecificationRelease >= 5)
625#define OPT_I18N_SUPPORT 1 /* true if xterm uses internationalization support */
626#else
627#define OPT_I18N_SUPPORT 0
628#endif
629#endif
630
631#ifndef OPT_INITIAL_ERASE
632#define OPT_INITIAL_ERASE 1 /* use pty's erase character if it's not 128 */
633#endif
634
635#ifndef OPT_INPUT_METHOD
636#if (XtSpecificationRelease >= 6)
637#define OPT_INPUT_METHOD OPT_I18N_SUPPORT /* true if xterm uses input-method support */
638#else
639#define OPT_INPUT_METHOD 0
640#endif
641#endif
642
643#ifndef OPT_ISO_COLORS
644#define OPT_ISO_COLORS  1 /* true if xterm is configured with ISO colors */
645#endif
646
647#ifndef OPT_DIRECT_COLOR
648#define OPT_DIRECT_COLOR  OPT_ISO_COLORS /* true if xterm is configured with direct-colors */
649#endif
650
651#ifndef OPT_256_COLORS
652#define OPT_256_COLORS  1 /* true if xterm is configured with 256 colors */
653#endif
654
655#ifndef OPT_88_COLORS
656#define OPT_88_COLORS	1 /* true if xterm is configured with 88 colors */
657#endif
658
659#ifndef OPT_HIGHLIGHT_COLOR
660#define OPT_HIGHLIGHT_COLOR 1 /* true if xterm supports color highlighting */
661#endif
662
663#ifndef OPT_LOAD_VTFONTS
664#define OPT_LOAD_VTFONTS 0 /* true if xterm has load-vt-fonts() action */
665#endif
666
667#ifndef OPT_LUIT_PROG
668#define OPT_LUIT_PROG   1 /* true if xterm supports luit */
669#endif
670
671#ifndef OPT_MAXIMIZE
672#define OPT_MAXIMIZE	1 /* add actions for iconify ... maximize */
673#endif
674
675#ifndef OPT_MINI_LUIT
676#define OPT_MINI_LUIT   0 /* true if xterm supports built-in mini-luit */
677#endif
678
679#ifndef OPT_MOD_FKEYS
680#define OPT_MOD_FKEYS	1 /* modify cursor- and function-keys in normal mode */
681#endif
682
683#ifndef OPT_NUM_LOCK
684#define OPT_NUM_LOCK	1 /* use NumLock key only for numeric-keypad */
685#endif
686
687#ifndef OPT_PASTE64
688#define OPT_PASTE64	1 /* program control of select/paste via base64 */
689#endif
690
691#ifndef OPT_PC_COLORS
692#define OPT_PC_COLORS   1 /* true if xterm supports PC-style (bold) colors */
693#endif
694
695#ifndef OPT_PRINT_ON_EXIT
696#define OPT_PRINT_ON_EXIT 1 /* true allows xterm to dump screen on X error */
697#endif
698
699#ifndef OPT_PTY_HANDSHAKE
700#define OPT_PTY_HANDSHAKE USE_HANDSHAKE	/* avoid pty races on older systems */
701#endif
702
703#ifndef OPT_PRINT_COLORS
704#define OPT_PRINT_COLORS 1 /* true if we print color information */
705#endif
706
707#ifndef OPT_READLINE
708#define OPT_READLINE	0 /* mouse-click/paste support for readline */
709#endif
710
711#ifndef OPT_RENDERFONT
712#ifdef XRENDERFONT
713#define OPT_RENDERFONT 1
714#else
715#define OPT_RENDERFONT 0
716#endif
717#endif
718
719#ifndef OPT_RENDERWIDE
720#if OPT_RENDERFONT && OPT_WIDE_CHARS && defined(HAVE_TYPE_XFTCHARSPEC)
721#define OPT_RENDERWIDE 1
722#else
723#define OPT_RENDERWIDE 0
724#endif
725#endif
726
727#ifndef OPT_REPORT_CCLASS
728#define OPT_REPORT_CCLASS  1 /* provide "-report-charclass" option */
729#endif
730
731#ifndef OPT_REPORT_COLORS
732#define OPT_REPORT_COLORS  1 /* provide "-report-colors" option */
733#endif
734
735#ifndef OPT_REPORT_FONTS
736#define OPT_REPORT_FONTS   1 /* provide "-report-fonts" option */
737#endif
738
739#ifndef OPT_REPORT_ICONS
740#define OPT_REPORT_ICONS   1 /* provide "-report-icons" option */
741#endif
742
743#ifndef OPT_SAME_NAME
744#define OPT_SAME_NAME   1 /* suppress redundant updates of title, icon, etc. */
745#endif
746
747#ifndef OPT_SCO_FUNC_KEYS
748#define OPT_SCO_FUNC_KEYS 0 /* true if xterm supports SCO-style function keys */
749#endif
750
751#ifndef OPT_SUN_FUNC_KEYS
752#define OPT_SUN_FUNC_KEYS 1 /* true if xterm supports Sun-style function keys */
753#endif
754
755#ifndef OPT_SCROLL_LOCK
756#define OPT_SCROLL_LOCK 1 /* true if xterm interprets fontsize-shifting */
757#endif
758
759#ifndef OPT_SELECT_REGEX
760#define OPT_SELECT_REGEX 1 /* true if xterm supports regular-expression selects */
761#endif
762
763#ifndef OPT_SELECTION_OPS
764#define OPT_SELECTION_OPS 1 /* true if xterm supports operations on selection */
765#endif
766
767#ifndef OPT_SESSION_MGT
768#if defined(XtNdieCallback) && defined(XtNsaveCallback)
769#define OPT_SESSION_MGT 1
770#else
771#define OPT_SESSION_MGT 0
772#endif
773#endif
774
775#ifndef OPT_SHIFT_FONTS
776#define OPT_SHIFT_FONTS 0 /* true if xterm interprets fontsize-shifting */
777#endif
778
779#ifndef OPT_SUNPC_KBD
780#define OPT_SUNPC_KBD	1 /* true if xterm supports Sun/PC keyboard map */
781#endif
782
783#ifndef OPT_TCAP_FKEYS
784#define OPT_TCAP_FKEYS	1 /* true for termcap function-keys */
785#endif
786
787#ifndef OPT_TCAP_QUERY
788#define OPT_TCAP_QUERY	1 /* true for termcap query */
789#endif
790
791#ifndef OPT_TEK4014
792#define OPT_TEK4014     1 /* true if we're using tek4014 emulation */
793#endif
794
795#ifndef OPT_TOOLBAR
796#define OPT_TOOLBAR	0 /* true if xterm supports toolbar menus */
797#endif
798
799#ifndef OPT_TRACE
800#define OPT_TRACE       0 /* true if we're using debugging traces */
801#endif
802
803#ifndef OPT_TRACE_FLAGS
804#define OPT_TRACE_FLAGS 0 /* additional tracing used for SCRN_BUF_FLAGS */
805#endif
806
807#ifndef OPT_TRACE_UNIQUE
808#define OPT_TRACE_UNIQUE 0 /* true if we're using multiple trace files */
809#endif
810
811#ifndef OPT_VT52_MODE
812#define OPT_VT52_MODE   1 /* true if xterm supports VT52 emulation */
813#endif
814
815#ifndef OPT_WIDE_ATTRS
816#define OPT_WIDE_ATTRS  1 /* true if xterm supports 16-bit attributes */
817#endif
818
819#ifndef OPT_WIDE_CHARS
820#define OPT_WIDE_CHARS  1 /* true if xterm supports 16-bit characters */
821#endif
822
823#ifndef OPT_WIDER_ICHAR
824#define OPT_WIDER_ICHAR 1 /* true if xterm uses 32-bits for wide-chars */
825#endif
826
827#ifndef OPT_XMC_GLITCH
828#define OPT_XMC_GLITCH	0 /* true if xterm supports xmc (magic cookie glitch) */
829#endif
830
831#ifndef OPT_XRES_QUERY
832#define OPT_XRES_QUERY	1 /* true for resource query */
833#endif
834
835#ifndef OPT_XTERM_SGR
836#define OPT_XTERM_SGR   1 /* true if xterm supports private SGR controls */
837#endif
838
839#ifndef OPT_ZICONBEEP
840#define OPT_ZICONBEEP   1 /* true if xterm supports "-ziconbeep" option */
841#endif
842
843/***====================================================================***/
844
845#if OPT_AIX_COLORS && !OPT_ISO_COLORS
846/* You must have ANSI/ISO colors to support AIX colors */
847#undef  OPT_AIX_COLORS
848#define OPT_AIX_COLORS 0
849#endif
850
851#if OPT_PC_COLORS && !OPT_ISO_COLORS
852/* You must have ANSI/ISO colors to support PC colors */
853#undef  OPT_PC_COLORS
854#define OPT_PC_COLORS 0
855#endif
856
857#if OPT_PRINT_COLORS && !OPT_ISO_COLORS
858/* You must have ANSI/ISO colors to be able to print them */
859#undef  OPT_PRINT_COLORS
860#define OPT_PRINT_COLORS 0
861#endif
862
863#if OPT_256_COLORS && !OPT_ISO_COLORS
864/* You must have ANSI/ISO colors to support 256 colors */
865#undef  OPT_256_COLORS
866#define OPT_256_COLORS 0
867#endif
868
869#if OPT_88_COLORS && !OPT_ISO_COLORS
870/* You must have ANSI/ISO colors to support 88 colors */
871#undef  OPT_88_COLORS
872#define OPT_88_COLORS 0
873#endif
874
875#if OPT_88_COLORS && OPT_256_COLORS
876/* 256 colors supersedes 88 colors */
877#undef  OPT_88_COLORS
878#define OPT_88_COLORS 0
879#endif
880
881/***====================================================================***/
882
883/*
884 * Indices for menu_font_names[][]
885 */
886typedef enum {
887    fNorm = 0			/* normal font */
888    , fBold			/* bold font */
889#if OPT_WIDE_ATTRS || OPT_RENDERWIDE
890    , fItal			/* italic font */
891    , fBtal			/* bold-italic font */
892#endif
893#if OPT_WIDE_CHARS
894    , fWide			/* double-width font */
895    , fWBold			/* double-width bold font */
896    , fWItal			/* double-width italic font */
897    , fWBtal			/* double-width bold-italic font */
898#endif
899    , fMAX
900} VTFontEnum;
901
902/*
903 * Indices for cachedGCs.c (unrelated to VTFontEnum).
904 */
905typedef enum {
906    gcNorm = 0
907    , gcBold
908    , gcNormReverse
909    , gcBoldReverse
910    , gcFiller
911    , gcBorder
912#if OPT_BOX_CHARS
913    , gcLine
914    , gcDots
915#endif
916#if OPT_DEC_CHRSET
917    , gcCNorm
918    , gcCBold
919#endif
920#if OPT_WIDE_CHARS
921    , gcWide
922    , gcWBold
923    , gcWideReverse
924    , gcWBoldReverse
925#endif
926    , gcVTcursNormal
927    , gcVTcursFilled
928    , gcVTcursReverse
929    , gcVTcursOutline
930#if OPT_TEK4014
931    , gcTKcurs
932#endif
933    , gcMAX
934} CgsEnum;
935
936#define for_each_text_gc(n) for (n = gcNorm; n < gcVTcursNormal; ++n)
937#define for_each_curs_gc(n) for (n = gcVTcursNormal; n <= gcVTcursOutline; ++n)
938#define for_each_gc(n)      for (n = gcNorm; n < gcMAX; ++n)
939
940/*
941 * Indices for the normal terminal colors in screen.Tcolors[].
942 * See also OscTextColors, which has corresponding values.
943 */
944typedef enum {
945    TEXT_FG = 0			/* text foreground */
946    , TEXT_BG			/* text background */
947    , TEXT_CURSOR		/* text cursor */
948    , MOUSE_FG			/* mouse foreground */
949    , MOUSE_BG			/* mouse background */
950#if OPT_TEK4014
951    , TEK_FG = 5		/* tektronix foreground */
952    , TEK_BG			/* tektronix background */
953#endif
954#if OPT_HIGHLIGHT_COLOR
955    , HIGHLIGHT_BG = 7		/* highlight background */
956#endif
957#if OPT_TEK4014
958    , TEK_CURSOR = 8		/* tektronix cursor */
959#endif
960#if OPT_HIGHLIGHT_COLOR
961    , HIGHLIGHT_FG = 9		/* highlight foreground */
962#endif
963    , NCOLORS			/* total number of colors */
964} TermColors;
965
966/*
967 * Definitions for exec-formatted and insert-formatted actions.
968 */
969typedef void (*FormatSelect) (Widget, char *, char *, CELL *, CELL *);
970
971typedef struct {
972    Boolean done;
973    char *format;
974    char *buffer;
975    FormatSelect format_select;
976#if OPT_PASTE64
977    Cardinal base64_paste;
978#endif
979#if OPT_PASTE64 || OPT_READLINE
980    unsigned paste_brackets;
981#endif
982} InternalSelect;
983
984/*
985 * Constants for titleModes resource
986 */
987typedef enum {
988    tmSetBase16 = 1		/* set title using hex-string */
989    , tmGetBase16 = 2		/* get title using hex-string */
990#if OPT_WIDE_CHARS
991    , tmSetUtf8 = 4		/* like utf8Title, but controllable */
992    , tmGetUtf8 = 8		/* retrieve title encoded as UTF-8 */
993#endif
994} TitleModes;
995
996#define IsTitleMode(xw,mode) (((xw)->screen.title_modes & mode) != 0)
997
998#include <xcharmouse.h>
999
1000/*
1001 * For readability...
1002 */
1003#define nrc_percent   100
1004#define nrc_dquote    200
1005#define nrc_ampersand 300
1006typedef enum {
1007    nrc_ASCII = 0
1008    ,nrc_British		/* vt100 */
1009    ,nrc_British_Latin_1	/* vt3xx */
1010    ,nrc_DEC_Cyrillic		/* vt5xx */
1011    ,nrc_DEC_Spec_Graphic	/* vt100 */
1012    ,nrc_DEC_Alt_Chars		/* vt100 */
1013    ,nrc_DEC_Alt_Graphics	/* vt100 */
1014    ,nrc_DEC_Supp		/* vt2xx */
1015    ,nrc_DEC_Supp_Graphic	/* vt3xx */
1016    ,nrc_DEC_Technical		/* vt3xx */
1017    ,nrc_Dutch			/* vt2xx */
1018    ,nrc_Finnish		/* vt2xx */
1019    ,nrc_Finnish2		/* vt2xx */
1020    ,nrc_French			/* vt2xx */
1021    ,nrc_French2		/* vt2xx */
1022    ,nrc_French_Canadian	/* vt2xx */
1023    ,nrc_French_Canadian2	/* vt3xx */
1024    ,nrc_German			/* vt2xx */
1025    ,nrc_Greek			/* vt5xx */
1026    ,nrc_DEC_Greek_Supp		/* vt5xx */
1027    ,nrc_ISO_Greek_Supp		/* vt5xx */
1028    ,nrc_DEC_Hebrew_Supp	/* vt5xx */
1029    ,nrc_Hebrew			/* vt5xx */
1030    ,nrc_ISO_Hebrew_Supp	/* vt5xx */
1031    ,nrc_Italian		/* vt2xx */
1032    ,nrc_ISO_Latin_1_Supp	/* vt5xx */
1033    ,nrc_ISO_Latin_2_Supp	/* vt5xx */
1034    ,nrc_ISO_Latin_5_Supp	/* vt5xx */
1035    ,nrc_ISO_Latin_Cyrillic	/* vt5xx */
1036    ,nrc_Norwegian_Danish	/* vt3xx */
1037    ,nrc_Norwegian_Danish2	/* vt2xx */
1038    ,nrc_Norwegian_Danish3	/* vt2xx */
1039    ,nrc_Portugese		/* vt3xx */
1040    ,nrc_Russian		/* vt5xx */
1041    ,nrc_SCS_NRCS		/* vt5xx - probably Serbo/Croatian */
1042    ,nrc_Spanish		/* vt2xx */
1043    ,nrc_Swedish		/* vt2xx */
1044    ,nrc_Swedish2		/* vt2xx */
1045    ,nrc_Swiss			/* vt2xx */
1046    ,nrc_DEC_Turkish_Supp	/* vt5xx */
1047    ,nrc_Turkish		/* vt5xx */
1048    ,nrc_Unknown
1049} DECNRCM_codes;
1050
1051/*
1052 * Use this enumerated type to check consistency among dpmodes(), savemodes()
1053 * restoremodes() and do_dec_rqm().
1054 */
1055typedef enum {
1056    srm_DECCKM = 1
1057    ,srm_DECANM = 2
1058    ,srm_DECCOLM = 3
1059    ,srm_DECSCLM = 4
1060    ,srm_DECSCNM = 5
1061    ,srm_DECOM = 6
1062    ,srm_DECAWM = 7
1063    ,srm_DECARM = 8
1064    ,srm_X10_MOUSE = SET_X10_MOUSE
1065#if OPT_TOOLBAR
1066    ,srm_RXVT_TOOLBAR = 10
1067#endif
1068#if OPT_BLINK_CURS
1069    ,srm_ATT610_BLINK = 12
1070    ,srm_CURSOR_BLINK_OPS = 13
1071    ,srm_XOR_CURSOR_BLINKS = 14
1072#endif
1073    ,srm_DECPFF = 18
1074    ,srm_DECPEX = 19
1075    ,srm_DECTCEM = 25
1076    ,srm_RXVT_SCROLLBAR = 30
1077#if OPT_SHIFT_FONTS
1078    ,srm_RXVT_FONTSIZE = 35
1079#endif
1080#if OPT_TEK4014
1081    ,srm_DECTEK = 38
1082#endif
1083    ,srm_132COLS = 40
1084    ,srm_CURSES_HACK = 41
1085    ,srm_DECNRCM = 42
1086#if OPT_PRINT_GRAPHICS
1087    ,srm_DECGEPM = 43		/* Graphics Expanded Print Mode */
1088#endif
1089    ,srm_MARGIN_BELL = 44	/* also DECGPCM (Graphics Print Color Mode) */
1090    ,srm_REVERSEWRAP = 45	/* also DECGPCS (Graphics Print Color Syntax) */
1091#ifdef ALLOWLOGGING
1092    ,srm_ALLOWLOGGING = 46	/* also DECGPBM (Graphics Print Background Mode) */
1093#elif OPT_PRINT_GRAPHICS
1094    ,srm_DECGPBM = 46		/* Graphics Print Background Mode */
1095#endif
1096    ,srm_ALTBUF = 47		/* also DECGRPM (Graphics Rotated Print Mode) */
1097    ,srm_DECNKM = 66
1098    ,srm_DECBKM = 67
1099    ,srm_DECLRMM = 69
1100#if OPT_SIXEL_GRAPHICS
1101    ,srm_DECSDM = 80		/* Sixel Display Mode */
1102#endif
1103    ,srm_DECNCSM = 95
1104    ,srm_VT200_MOUSE = SET_VT200_MOUSE
1105    ,srm_VT200_HIGHLIGHT_MOUSE = SET_VT200_HIGHLIGHT_MOUSE
1106    ,srm_BTN_EVENT_MOUSE = SET_BTN_EVENT_MOUSE
1107    ,srm_ANY_EVENT_MOUSE = SET_ANY_EVENT_MOUSE
1108#if OPT_FOCUS_EVENT
1109    ,srm_FOCUS_EVENT_MOUSE = SET_FOCUS_EVENT_MOUSE
1110#endif
1111    ,srm_EXT_MODE_MOUSE = SET_EXT_MODE_MOUSE
1112    ,srm_SGR_EXT_MODE_MOUSE = SET_SGR_EXT_MODE_MOUSE
1113    ,srm_URXVT_EXT_MODE_MOUSE = SET_URXVT_EXT_MODE_MOUSE
1114    ,srm_PIXEL_POSITION_MOUSE = SET_PIXEL_POSITION_MOUSE
1115    ,srm_ALTERNATE_SCROLL = SET_ALTERNATE_SCROLL
1116    ,srm_RXVT_SCROLL_TTY_OUTPUT = 1010
1117    ,srm_RXVT_SCROLL_TTY_KEYPRESS = 1011
1118    ,srm_EIGHT_BIT_META = 1034
1119#if OPT_NUM_LOCK
1120    ,srm_REAL_NUMLOCK = 1035
1121    ,srm_META_SENDS_ESC = 1036
1122#endif
1123    ,srm_DELETE_IS_DEL = 1037
1124#if OPT_NUM_LOCK
1125    ,srm_ALT_SENDS_ESC = 1039
1126#endif
1127    ,srm_KEEP_SELECTION = 1040
1128    ,srm_SELECT_TO_CLIPBOARD = 1041
1129    ,srm_BELL_IS_URGENT = 1042
1130    ,srm_POP_ON_BELL = 1043
1131    ,srm_KEEP_CLIPBOARD = 1044
1132    ,srm_ALLOW_ALTBUF = 1046
1133    ,srm_OPT_ALTBUF = 1047
1134    ,srm_SAVE_CURSOR = 1048
1135    ,srm_OPT_ALTBUF_CURSOR = 1049
1136#if OPT_TCAP_FKEYS
1137    ,srm_TCAP_FKEYS = 1050
1138#endif
1139#if OPT_SUN_FUNC_KEYS
1140    ,srm_SUN_FKEYS = 1051
1141#endif
1142#if OPT_HP_FUNC_KEYS
1143    ,srm_HP_FKEYS = 1052
1144#endif
1145#if OPT_SCO_FUNC_KEYS
1146    ,srm_SCO_FKEYS = 1053
1147#endif
1148    ,srm_LEGACY_FKEYS = 1060
1149#if OPT_SUNPC_KBD
1150    ,srm_VT220_FKEYS = 1061
1151#endif
1152#if OPT_GRAPHICS
1153    ,srm_PRIVATE_COLOR_REGISTERS = 1070
1154#endif
1155#if OPT_PASTE64 || OPT_READLINE
1156    ,srm_PASTE_IN_BRACKET = SET_PASTE_IN_BRACKET
1157#endif
1158#if OPT_READLINE
1159    ,srm_BUTTON1_MOVE_POINT = SET_BUTTON1_MOVE_POINT
1160    ,srm_BUTTON2_MOVE_POINT = SET_BUTTON2_MOVE_POINT
1161    ,srm_DBUTTON3_DELETE = SET_DBUTTON3_DELETE
1162    ,srm_PASTE_QUOTE = SET_PASTE_QUOTE
1163    ,srm_PASTE_LITERAL_NL = SET_PASTE_LITERAL_NL
1164#endif				/* OPT_READLINE */
1165#if OPT_SIXEL_GRAPHICS
1166    ,srm_SIXEL_SCROLLS_RIGHT = 8452
1167#endif
1168} DECSET_codes;
1169
1170/* internal codes for selection atoms */
1171typedef enum {
1172    PRIMARY_CODE = 0
1173    ,CLIPBOARD_CODE
1174    ,SECONDARY_CODE
1175    ,MAX_SELECTION_CODES
1176} SelectionCodes;
1177
1178/* indices for mapping multiple clicks to selection types */
1179typedef enum {
1180    Select_CHAR=0
1181    ,Select_WORD
1182    ,Select_LINE
1183    ,Select_GROUP
1184    ,Select_PAGE
1185    ,Select_ALL
1186#if OPT_SELECT_REGEX
1187    ,Select_REGEX
1188#endif
1189    ,NSELECTUNITS
1190} SelectUnit;
1191
1192#if OPT_BLINK_CURS
1193typedef enum {
1194    cbFalse = 0
1195    , cbTrue
1196    , cbAlways
1197    , cbNever
1198    , cbLAST
1199} BlinkOps;
1200#endif
1201
1202typedef enum {
1203    ecSetColor = 1
1204    , ecGetColor
1205    , ecGetAnsiColor
1206    , ecLAST
1207} ColorOps;
1208
1209typedef enum {
1210    efSetFont = 1
1211    , efGetFont
1212    , efLAST
1213} FontOps;
1214
1215typedef enum {
1216    esFalse = 0
1217    , esTrue
1218    , esAlways
1219    , esNever
1220    , esLAST
1221} FullscreenOps;
1222
1223#ifndef NO_ACTIVE_ICON
1224typedef enum {
1225    eiFalse = 0
1226    , eiTrue
1227    , eiDefault
1228    , eiLAST
1229} AIconOps;
1230#endif
1231
1232typedef enum {
1233    emX10 = 1
1234    , emLocator
1235    , emVT200Click
1236    , emVT200Hilite
1237    , emAnyButton
1238    , emAnyEvent
1239    , emFocusEvent
1240    , emExtended
1241    , emSGR
1242    , emURXVT
1243    , emAlternateScroll
1244    , emLAST
1245} MouseOps;
1246
1247typedef enum {
1248#define DATA(name) ep##name
1249    DATA(NUL) = 0
1250    , DATA(SOH) =  1
1251    , DATA(STX) =  2
1252    , DATA(ETX) =  3
1253    , DATA(EOT) =  4
1254    , DATA(ENQ) =  5
1255    , DATA(ACK) =  6
1256    , DATA(BEL) =  7
1257    , DATA(BS)  =  8
1258    , DATA(HT)  =  9
1259    , DATA(LF)  = 10
1260    , DATA(VT)  = 11
1261    , DATA(FF)  = 12
1262    , DATA(CR)  = 13
1263    , DATA(SO)  = 14
1264    , DATA(SI)  = 15
1265    , DATA(DLE) = 16
1266    , DATA(DC1) = 17
1267    , DATA(DC2) = 18
1268    , DATA(DC3) = 19
1269    , DATA(DC4) = 20
1270    , DATA(NAK) = 21
1271    , DATA(SYN) = 22
1272    , DATA(ETB) = 23
1273    , DATA(CAN) = 24
1274    , DATA(EM)  = 25
1275    , DATA(SUB) = 26
1276    , DATA(ESC) = 27
1277    , DATA(FS)  = 28
1278    , DATA(GS)  = 29
1279    , DATA(RS)  = 30
1280    , DATA(US)  = 31
1281    /* aliases */
1282    , DATA(C0)
1283    , DATA(DEL)
1284#undef DATA
1285    , epLAST
1286} PasteControls;
1287
1288typedef enum {			/* legal values for keyboard.shift_escape */
1289    ssFalse = 0
1290    , ssTrue = 1
1291    , ssAlways = 2
1292    , ssNever = 3
1293    , ssLAST
1294} ShiftEscapeOps;
1295
1296/*
1297 * xterm uses these codes for the its push-SGR feature.  They match where
1298 * possible the corresponding SGR coding.  The foreground and background colors
1299 * do not fit into that scheme (because they are a set of ranges), so those are
1300 * chosen arbitrarily -TD
1301 */
1302typedef enum {
1303    psBOLD = 1
1304#if OPT_WIDE_ATTRS
1305    , psATR_FAINT = 2
1306    , psATR_ITALIC = 3
1307#endif
1308    , psUNDERLINE = 4
1309    , psBLINK = 5
1310    , psINVERSE = 7
1311    , psINVISIBLE = 8
1312#if OPT_WIDE_ATTRS
1313    , psATR_STRIKEOUT = 9
1314#endif
1315    /* SGR 10-19 correspond to primary/alternate fonts, currently unused */
1316#if OPT_ISO_COLORS
1317    , psFG_COLOR_obs = 10
1318    , psBG_COLOR_obs = 11
1319#endif
1320#if OPT_WIDE_ATTRS
1321    , psATR_DBL_UNDER = 21
1322#endif
1323    /* SGR 22-29 mostly are used to reset SGR 1-9 */
1324#if OPT_ISO_COLORS
1325    , psFG_COLOR = 30	/* stack maps many colors to one state */
1326    , psBG_COLOR = 31
1327#endif
1328    , MAX_PUSH_SGR
1329} PushSGR;
1330
1331typedef enum {
1332    etSetTcap = 1
1333    , etGetTcap
1334    , etLAST
1335} TcapOps;
1336
1337typedef enum {
1338    /* 1-23 are chosen to be the same as the control-sequence coding */
1339    ewRestoreWin = 1
1340    , ewMinimizeWin = 2
1341    , ewSetWinPosition = 3
1342    , ewSetWinSizePixels = 4
1343    , ewRaiseWin = 5
1344    , ewLowerWin = 6
1345    , ewRefreshWin = 7
1346    , ewSetWinSizeChars = 8
1347#if OPT_MAXIMIZE
1348    , ewMaximizeWin = 9
1349    , ewFullscreenWin = 10
1350#endif
1351    , ewGetWinState = 11
1352    , ewGetWinPosition = 13
1353    , ewGetWinSizePixels = 14
1354#if OPT_MAXIMIZE
1355    , ewGetScreenSizePixels = 15
1356    , ewGetCharSizePixels = 16
1357#endif
1358    , ewGetWinSizeChars = 18
1359#if OPT_MAXIMIZE
1360    , ewGetScreenSizeChars = 19
1361#endif
1362    , ewGetIconTitle = 20
1363    , ewGetWinTitle = 21
1364    , ewPushTitle = 22
1365    , ewPopTitle = 23
1366    /* these do not fit into that scheme, which is why we use an array */
1367    , ewSetWinLines
1368    , ewSetXprop
1369    , ewGetSelection
1370    , ewSetSelection
1371    , ewGetChecksum
1372    , ewSetChecksum
1373    /* get the size of the array... */
1374    , ewLAST
1375} WindowOps;
1376
1377/***====================================================================***/
1378
1379#define	COLOR_DEFINED(s,w)	((s)->which & (unsigned) (1<<(w)))
1380#define	COLOR_VALUE(s,w)	((s)->colors[w])
1381#define	SET_COLOR_VALUE(s,w,v)	(((s)->colors[w] = (v)), UIntSet((s)->which, (1<<(w))))
1382
1383#define	COLOR_NAME(s,w)		((s)->names[w])
1384#define	SET_COLOR_NAME(s,w,v)	(((s)->names[w] = (v)), ((s)->which |= (unsigned) (1<<(w))))
1385
1386#define	UNDEFINE_COLOR(s,w)	((s)->which &= (~((w)<<1)))
1387
1388/***====================================================================***/
1389
1390#if OPT_ISO_COLORS
1391#if OPT_WIDE_ATTRS
1392#define COLOR_FLAGS		(FG_COLOR | BG_COLOR | ATR_DIRECT_FG | ATR_DIRECT_BG)
1393#else
1394#define COLOR_FLAGS		(FG_COLOR | BG_COLOR)
1395#endif
1396#define TERM_COLOR_FLAGS(xw)	((xw)->flags & COLOR_FLAGS)
1397#define COLOR_0		0
1398#define COLOR_1		1
1399#define COLOR_2		2
1400#define COLOR_3		3
1401#define COLOR_4		4
1402#define COLOR_5		5
1403#define COLOR_6		6
1404#define COLOR_7		7
1405#define COLOR_8		8
1406#define COLOR_9		9
1407#define COLOR_10	10
1408#define COLOR_11	11
1409#define COLOR_12	12
1410#define COLOR_13	13
1411#define COLOR_14	14
1412#define COLOR_15	15
1413#define MIN_ANSI_COLORS 16
1414
1415#if OPT_256_COLORS
1416# define NUM_ANSI_COLORS 256
1417#elif OPT_88_COLORS
1418# define NUM_ANSI_COLORS 88
1419#else
1420# define NUM_ANSI_COLORS MIN_ANSI_COLORS
1421#endif
1422
1423#define okIndexedColor(n) ((n) >= 0 && (n) < NUM_ANSI_COLORS)
1424
1425#if NUM_ANSI_COLORS > MIN_ANSI_COLORS
1426# define OPT_EXT_COLORS  1
1427#else
1428# define OPT_EXT_COLORS  0
1429#endif
1430
1431#define COLOR_BD	(NUM_ANSI_COLORS)	/* BOLD */
1432#define COLOR_UL	(NUM_ANSI_COLORS+1)	/* UNDERLINE */
1433#define COLOR_BL	(NUM_ANSI_COLORS+2)	/* BLINK */
1434#define COLOR_RV	(NUM_ANSI_COLORS+3)	/* REVERSE */
1435
1436#if OPT_WIDE_ATTRS
1437#define COLOR_IT	(NUM_ANSI_COLORS+4)	/* ITALIC */
1438#define MAXCOLORS	(NUM_ANSI_COLORS+5)
1439#else
1440#define MAXCOLORS	(NUM_ANSI_COLORS+4)
1441#endif
1442
1443#ifndef DFT_COLORMODE
1444#define DFT_COLORMODE True	/* default colorMode resource */
1445#endif
1446
1447#define UseItalicFont(screen) (!(screen)->colorITMode)
1448
1449#define ReverseOrHilite(screen,flags,hilite) \
1450		(( screen->colorRVMode && hilite ) || \
1451		    ( !screen->colorRVMode && \
1452		      (( (flags & INVERSE) && !hilite) || \
1453		       (!(flags & INVERSE) &&  hilite)) ))
1454
1455#else	/* !OPT_ISO_COLORS */
1456
1457#define TERM_COLOR_FLAGS(xw) 0
1458
1459#define UseItalicFont(screen) True
1460#define ReverseOrHilite(screen,flags,hilite) \
1461		      (( (flags & INVERSE) && !hilite) || \
1462		       (!(flags & INVERSE) &&  hilite))
1463
1464#endif	/* OPT_ISO_COLORS */
1465
1466typedef enum {
1467	XK_TCAPNAME = 3
1468	/* Define fake XK codes, we need those for the fake color response in
1469	 * xtermcapKeycode().
1470	 */
1471#if OPT_ISO_COLORS
1472	, XK_COLORS
1473	, XK_RGB
1474#endif
1475} TcapQuery;
1476
1477#if OPT_AIX_COLORS
1478#define if_OPT_AIX_COLORS(screen, code) if(screen->colorMode) code
1479#else
1480#define if_OPT_AIX_COLORS(screen, code) /* nothing */
1481#endif
1482
1483#if OPT_256_COLORS || OPT_88_COLORS || OPT_ISO_COLORS
1484# define if_OPT_ISO_COLORS(screen, code) if (screen->colorMode) code
1485#else
1486# define if_OPT_ISO_COLORS(screen, code) /* nothing */
1487#endif
1488
1489#if OPT_DIRECT_COLOR
1490# define if_OPT_DIRECT_COLOR(screen, code) if (screen->direct_color) code
1491# define if_OPT_DIRECT_COLOR2(screen, test, code) if (screen->direct_color && (test)) code
1492#else
1493# define if_OPT_DIRECT_COLOR(screen, code) /* nothing */
1494# define if_OPT_DIRECT_COLOR2(screen, test, code) /* nothing */
1495#endif
1496
1497#define if_OPT_DIRECT_COLOR2_else(cond, test, stmt) \
1498	if_OPT_DIRECT_COLOR2(cond, test, stmt else)
1499
1500#define COLOR_RES_NAME(root) "color" root
1501
1502#if OPT_COLOR_CLASS
1503#define COLOR_RES_CLASS(root) "Color" root
1504#else
1505#define COLOR_RES_CLASS(root) XtCForeground
1506#endif
1507
1508#define COLOR_RES(root,offset,value) Sres(COLOR_RES_NAME(root), COLOR_RES_CLASS(root), offset.resource, value)
1509#define COLOR_RES2(name,class,offset,value) Sres(name, class, offset.resource, value)
1510
1511#define CLICK_RES_NAME(count)  "on" count "Clicks"
1512#define CLICK_RES_CLASS(count) "On" count "Clicks"
1513#define CLICK_RES(count,offset,value) Sres(CLICK_RES_NAME(count), CLICK_RES_CLASS(count), offset, value)
1514
1515/***====================================================================***/
1516
1517#if OPT_DEC_CHRSET
1518#define if_OPT_DEC_CHRSET(code) code
1519	/* Use 2 bits for encoding the double high/wide sense of characters */
1520#define CSET_SWL        0
1521#define CSET_DHL_TOP    1
1522#define CSET_DHL_BOT    2
1523#define CSET_DWL        3
1524#define NUM_CHRSET      8	/* normal/bold and 4 CSET_xxx values */
1525
1526	/* Use remaining bits for encoding the other character-sets */
1527#define CSET_NORMAL(code)  ((code) == CSET_SWL)
1528#define CSET_DOUBLE(code)  (!CSET_NORMAL(code) && !CSET_EXTEND(code))
1529#define CSET_EXTEND(code)  ((int)(code) > CSET_DWL)
1530
1531#define DBLCS_BITS            4
1532#define DBLCS_MASK            BITS2MASK(DBLCS_BITS)
1533
1534#define GetLineDblCS(ld)      (((ld)->bufHead >> LINEFLAG_BITS) & DBLCS_MASK)
1535#define SetLineDblCS(ld,cs)   (ld)->bufHead = (RowData) ((ld->bufHead & LINEFLAG_MASK) | (cs << LINEFLAG_BITS))
1536
1537#define LineCharSet(screen, ld) \
1538	(unsigned) ((CSET_DOUBLE(GetLineDblCS(ld))) \
1539		    ? GetLineDblCS(ld) \
1540		    : (screen)->cur_chrset)
1541#define LineMaxCol(screen, ld) \
1542	(CSET_DOUBLE(GetLineDblCS(ld)) \
1543	 ? (screen->max_col / 2) \
1544	 : (screen->max_col))
1545#define LineCursorX(screen, ld, col) \
1546	(CSET_DOUBLE(GetLineDblCS(ld)) \
1547	 ? CursorX(screen, 2*(col)) \
1548	 : CursorX(screen, (col)))
1549#define LineFontWidth(screen, ld) \
1550	(CSET_DOUBLE(GetLineDblCS(ld)) \
1551	 ? 2*FontWidth(screen) \
1552	 : FontWidth(screen))
1553#else
1554
1555#define if_OPT_DEC_CHRSET(code) /*nothing*/
1556#define CSET_SWL                        0
1557#define GetLineDblCS(ld)                0U
1558#define LineCharSet(screen, ld)         0U
1559#define LineMaxCol(screen, ld)          screen->max_col
1560#define LineCursorX(screen, ld, col)    CursorX(screen, col)
1561#define LineFontWidth(screen, ld)       FontWidth(screen)
1562
1563#endif
1564
1565#if OPT_LUIT_PROG && !OPT_WIDE_CHARS
1566/* Luit requires the wide-chars configuration */
1567#undef OPT_LUIT_PROG
1568#define OPT_LUIT_PROG 0
1569#endif
1570
1571/***====================================================================***/
1572
1573#if OPT_EBCDIC
1574extern int E2A(int);
1575extern int A2E(int);
1576#else
1577#define E2A(a) (a)
1578#define A2E(a) (a)
1579#endif
1580
1581#define CONTROL(a) (A2E(E2A(a)&037))
1582
1583/***====================================================================***/
1584
1585#if OPT_TEK4014
1586#define TEK4014_ACTIVE(xw)      ((xw)->misc.TekEmu)
1587#define TEK4014_SHOWN(xw)       ((xw)->misc.Tshow)
1588#define CURRENT_EMU_VAL(tek,vt) (TEK4014_ACTIVE(term) ? tek : vt)
1589#define CURRENT_EMU()           CURRENT_EMU_VAL((Widget)tekWidget, (Widget)term)
1590#else
1591#define TEK4014_ACTIVE(screen)  0
1592#define TEK4014_SHOWN(xw)       0
1593#define CURRENT_EMU_VAL(tek,vt) (vt)
1594#define CURRENT_EMU()           ((Widget)term)
1595#endif
1596
1597/***====================================================================***/
1598
1599#if OPT_TOOLBAR
1600#define SHELL_OF(widget) XtParent(XtParent(widget))
1601#else
1602#define SHELL_OF(widget) XtParent(widget)
1603#endif
1604
1605/***====================================================================***/
1606
1607#if OPT_VT52_MODE
1608#define if_OPT_VT52_MODE(screen, code) if(screen->vtXX_level == 0) code
1609#else
1610#define if_OPT_VT52_MODE(screen, code) /* nothing */
1611#endif
1612
1613/***====================================================================***/
1614
1615#if OPT_XMC_GLITCH
1616#define if_OPT_XMC_GLITCH(screen, code) if(screen->xmc_glitch) code
1617#define XMC_GLITCH 1	/* the character we'll show */
1618#define XMC_FLAGS (INVERSE|UNDERLINE|BOLD|BLINK)
1619#else
1620#define if_OPT_XMC_GLITCH(screen, code) /* nothing */
1621#endif
1622
1623/***====================================================================***/
1624
1625typedef unsigned IFlags;	/* at least 32 bits */
1626
1627#if OPT_WIDE_ATTRS
1628typedef unsigned short IAttr;	/* at least 16 bits */
1629#else
1630typedef unsigned char IAttr;	/* at least 8 bits */
1631#endif
1632
1633/***====================================================================***/
1634
1635#define LO_BYTE(ch) CharOf((ch) & 0xff)
1636#define HI_BYTE(ch) CharOf((ch) >> 8)
1637
1638#if OPT_WIDE_CHARS
1639#define if_OPT_WIDE_CHARS(screen, code) if(screen->wide_chars) code
1640#define if_WIDE_OR_NARROW(screen, wide, narrow) if(screen->wide_chars) wide else narrow
1641#define NARROW_ICHAR	0xffff
1642#if OPT_WIDER_ICHAR
1643#define WIDEST_ICHAR	0x1fffff
1644typedef unsigned IChar;		/* for 8-21 bit characters */
1645#else
1646#define WIDEST_ICHAR	NARROW_ICHAR
1647typedef unsigned short IChar;	/* for 8-16 bit characters */
1648#endif
1649#else
1650#define if_OPT_WIDE_CHARS(screen, code) /* nothing */
1651#define if_WIDE_OR_NARROW(screen, wide, narrow) narrow
1652typedef unsigned char IChar;	/* for 8-bit characters */
1653#endif
1654
1655/***====================================================================***/
1656
1657#ifndef RES_OFFSET
1658#define RES_OFFSET(offset) XtOffsetOf(XtermWidgetRec, offset)
1659#endif
1660
1661#define RES_NAME(name) name
1662#define RES_CLASS(name) name
1663
1664#define Bres(name, class, offset, dftvalue) \
1665	{RES_NAME(name), RES_CLASS(class), XtRBoolean, sizeof(Boolean), \
1666	 RES_OFFSET(offset), XtRImmediate, (XtPointer) dftvalue}
1667
1668#define Cres(name, class, offset, dftvalue) \
1669	{RES_NAME(name), RES_CLASS(class), XtRPixel, sizeof(Pixel), \
1670	 RES_OFFSET(offset), XtRString, DECONST(char,dftvalue)}
1671
1672#define Tres(name, class, offset, dftvalue) \
1673	COLOR_RES2(name, class, screen.Tcolors[offset], dftvalue) \
1674
1675#define Fres(name, class, offset, dftvalue) \
1676	{RES_NAME(name), RES_CLASS(class), XtRFontStruct, sizeof(XFontStruct *), \
1677	 RES_OFFSET(offset), XtRString, DECONST(char,dftvalue)}
1678
1679#define Ires(name, class, offset, dftvalue) \
1680	{RES_NAME(name), RES_CLASS(class), XtRInt, sizeof(int), \
1681	 RES_OFFSET(offset), XtRImmediate, (XtPointer) dftvalue}
1682
1683#define Dres(name, class, offset, dftvalue) \
1684	{RES_NAME(name), RES_CLASS(class), XtRFloat, sizeof(float), \
1685	 RES_OFFSET(offset), XtRString, DECONST(char,dftvalue)}
1686
1687#define Sres(name, class, offset, dftvalue) \
1688	{RES_NAME(name), RES_CLASS(class), XtRString, sizeof(char *), \
1689	 RES_OFFSET(offset), XtRString, DECONST(char,dftvalue)}
1690
1691#define Wres(name, class, offset, dftvalue) \
1692	{RES_NAME(name), RES_CLASS(class), XtRWidget, sizeof(Widget), \
1693	 RES_OFFSET(offset), XtRWidget, (XtPointer) dftvalue}
1694
1695/***====================================================================***/
1696
1697#define FRG_SIZE resource.minBufSize
1698#define BUF_SIZE resource.maxBufSize
1699
1700typedef struct {
1701	Char    *next;
1702	Char    *last;
1703	int      update;	/* HandleInterpret */
1704#if OPT_WIDE_CHARS
1705	IChar    utf_data;	/* resulting character */
1706	int      utf_size;	/* ...number of bytes decoded */
1707	Char    *write_buf;
1708	unsigned write_len;
1709#endif
1710	Char     buffer[1];
1711} PtyData;
1712
1713/***====================================================================***/
1714
1715/*
1716 * Pixel (and its components) are declared as unsigned long, but even for RGB
1717 * we need no more than 32-bits.
1718 */
1719typedef uint32_t MyPixel;
1720typedef int32_t MyColor;
1721
1722#if OPT_ISO_COLORS
1723#if OPT_DIRECT_COLOR
1724typedef struct {
1725    MyColor fg;
1726    MyColor bg;
1727} CellColor;
1728
1729#define isSameCColor(p,q) (!memcmp(&(p), &(q), sizeof(CellColor)))
1730
1731#elif OPT_256_COLORS || OPT_88_COLORS
1732
1733#define COLOR_BITS 8
1734typedef unsigned short CellColor;
1735
1736#else
1737
1738#define COLOR_BITS 4
1739typedef Char CellColor;
1740
1741#endif
1742#else
1743typedef unsigned CellColor;
1744#endif
1745
1746#define NO_COLOR		((unsigned)-1)
1747
1748#ifndef isSameCColor
1749#define isSameCColor(p,q)	((p) == (q))
1750#endif
1751
1752#define BITS2MASK(b)		((1 << b) - 1)
1753
1754#define COLOR_MASK		BITS2MASK(COLOR_BITS)
1755
1756#if OPT_DIRECT_COLOR
1757#define clrDirectFG(flags)	UIntClr(flags, ATR_DIRECT_FG)
1758#define clrDirectBG(flags)	UIntClr(flags, ATR_DIRECT_BG)
1759#define GetCellColorFG(data)	((data).fg)
1760#define GetCellColorBG(data)	((data).bg)
1761#define hasDirectFG(flags)	((flags) & ATR_DIRECT_FG)
1762#define hasDirectBG(flags)	((flags) & ATR_DIRECT_BG)
1763#define setDirectFG(flags,test)	if (test) UIntSet(flags, ATR_DIRECT_FG); else UIntClr(flags, ATR_DIRECT_FG)
1764#define setDirectBG(flags,test)	if (test) UIntSet(flags, ATR_DIRECT_BG); else UIntClr(flags, ATR_DIRECT_BG)
1765#elif OPT_ISO_COLORS
1766#define clrDirectFG(flags)	/* nothing */
1767#define clrDirectBG(flags)	/* nothing */
1768#define GetCellColorFG(data)	((data) & COLOR_MASK)
1769#define GetCellColorBG(data)	(((data) >> COLOR_BITS) & COLOR_MASK)
1770#define hasDirectFG(flags)	0
1771#define hasDirectBG(flags)	0
1772#define setDirectFG(flags,test)	(void)(test)
1773#define setDirectBG(flags,test)	(void)(test)
1774#else
1775#define GetCellColorFG(data)	7
1776#define GetCellColorBG(data)	0
1777#endif
1778extern CellColor blank_cell_color;
1779
1780typedef Char RowData;		/* wrap/blink, and DEC single-double chars */
1781
1782#define LINEFLAG_BITS		4
1783#define LINEFLAG_MASK		BITS2MASK(LINEFLAG_BITS)
1784
1785#define GetLineFlags(ld)	((ld)->bufHead & LINEFLAG_MASK)
1786
1787#if OPT_DEC_CHRSET
1788#define SetLineFlags(ld,xx)	(ld)->bufHead = (RowData) ((ld->bufHead & (DBLCS_MASK << LINEFLAG_BITS)) | (xx & LINEFLAG_MASK))
1789#else
1790#define SetLineFlags(ld,xx)	(ld)->bufHead = (RowData) (xx & LINEFLAG_MASK)
1791#endif
1792
1793typedef IChar CharData;
1794
1795/*
1796 * This is the xterm line-data/scrollback structure.
1797 */
1798typedef struct {
1799	Dimension lineSize;	/* number of columns in this row */
1800	RowData bufHead;	/* flag for wrapped lines */
1801#if OPT_WIDE_CHARS
1802	Char combSize;		/* number of items in combData[] */
1803#endif
1804	IAttr *attribs;		/* video attributes */
1805#if OPT_ISO_COLORS
1806	CellColor *color;	/* foreground+background color numbers */
1807#endif
1808	CharData *charData;	/* cell's base character */
1809	CharData *combData[1];	/* first enum past fixed-offsets */
1810} LineData;
1811
1812typedef const LineData CLineData;
1813
1814/*
1815 * We use CellData in a few places, when copying a cell's data to a temporary
1816 * variable.
1817 */
1818typedef struct {
1819	IAttr attribs;
1820#if OPT_WIDE_CHARS
1821	Char combSize;		/* number of items in combData[] */
1822#endif
1823#if OPT_ISO_COLORS
1824	CellColor color;	/* color-array */
1825#endif
1826	CharData charData;	/* cell's base character */
1827	CharData combData[1];	/* array of combining chars */
1828} CellData;
1829
1830#define for_each_combData(off, ld) for (off = 0; off < ld->combSize; ++off)
1831
1832#define Clear1Cell(ld, x) \
1833	do { \
1834	    ld->charData[x] = ' '; \
1835	    do { \
1836	    if_OPT_WIDE_CHARS(screen, { \
1837		size_t z; \
1838		for_each_combData(z, ld) { \
1839		    ld->combData[z][x] = '\0'; \
1840		} \
1841	    }) } while (0); \
1842	} while (0)
1843
1844#define Clear2Cell(dst, src, x) \
1845	do { \
1846	    dst->charData[x] = ' '; \
1847	    dst->attribs[x] = src->attribs[x]; \
1848	    do { \
1849	    if_OPT_ISO_COLORS(screen, { \
1850		dst->color[x] = src->color[x]; \
1851	    }) } while (0); \
1852	    do { \
1853	    if_OPT_WIDE_CHARS(screen, { \
1854		size_t z; \
1855		for_each_combData(z, dst) { \
1856		    dst->combData[z][x] = '\0'; \
1857		} \
1858	    }) } while (0); \
1859	} while (0)
1860
1861/*
1862 * Accommodate older compilers by not using variable-length arrays.
1863 */
1864#define SizeOfLineData  offsetof(LineData, combData)
1865#define SizeOfCellData  offsetof(CellData, combData)
1866
1867	/*
1868	 * A "row" is the index within the visible part of the screen, and an
1869	 * "inx" is the index within the whole set of scrollable lines.
1870	 */
1871#define ROW2INX(screen, row)	((row) + (screen)->topline)
1872#define INX2ROW(screen, inx)	((inx) - (screen)->topline)
1873
1874/* these are unused but could be useful for debugging */
1875#if 0
1876#define ROW2ABS(screen, row)	((row) + (screen)->savedlines)
1877#define INX2ABS(screen, inx)	ROW2ABS(screen, INX2ROW(screen, inx))
1878#endif
1879
1880#define okScrnRow(screen, row) \
1881	((row) <= ((screen)->max_row - (screen)->topline) \
1882      && (row) >= -((screen)->savedlines))
1883
1884	/*
1885	 * Cache data for "proportional" and other fonts containing a mixture
1886	 * of widths.
1887	 */
1888typedef struct {
1889	Bool		mixed;
1890	Dimension	min_width;	/* nominal cell width for 0..255 */
1891	Dimension	max_width;	/* maximum cell width */
1892} FontMap;
1893
1894#define KNOWN_MISSING	256
1895
1896typedef enum {
1897	fwNever = 0,
1898	fwResource,
1899	fwAlways
1900} fontWarningTypes;
1901
1902typedef struct {
1903	unsigned	chrset;
1904	unsigned	flags;
1905	fontWarningTypes warn;
1906	XFontStruct *	fs;
1907	char *		fn;
1908	FontMap		map;
1909	Char		known_missing[KNOWN_MISSING];
1910} XTermFonts;
1911
1912#if OPT_RENDERFONT
1913typedef enum {
1914	erFalse = 0
1915	, erTrue
1916	, erDefault
1917	, erDefaultOff
1918	, erLast
1919} RenderFont;
1920
1921#define DefaultRenderFont(xw) \
1922	if ((xw)->work.render_font == erDefault) \
1923	    (xw)->work.render_font = erFalse
1924
1925typedef enum {
1926    	xcEmpty = 0			/* slot is unused */
1927	, xcBogus			/* ignore this pattern */
1928	, xcOpened			/* slot has open font descriptor */
1929	, xcUnused			/* opened, but unused so far */
1930} XftCache;
1931
1932typedef struct {
1933	XftFont *	font;
1934	XftCache	usage;
1935} XTermXftCache;
1936
1937typedef struct {
1938	XftFont *	font;		/* main font */
1939	XftPattern *	pattern;	/* pattern for main font */
1940	XftFontSet *	fontset;	/* ordered list of fallback patterns */
1941	XTermXftCache * cache;
1942	unsigned	limit;		/* allocated size of cache[] */
1943	unsigned	opened;		/* number of slots with xcOpened */
1944	FontMap		map;
1945} XTermXftFonts;
1946
1947typedef	struct _ListXftFonts {
1948	struct _ListXftFonts *next;
1949	XftFont *	font;
1950} ListXftFonts;
1951#endif
1952
1953typedef struct {
1954	int		top;
1955	int		left;
1956	int		bottom;
1957	int		right;
1958} XTermRect;
1959
1960/***====================================================================***/
1961
1962	/* indices into save_modes[] */
1963typedef enum {
1964	DP_ALLOW_ALTBUF,
1965	DP_ALTERNATE_SCROLL,
1966	DP_ALT_SENDS_ESC,
1967	DP_BELL_IS_URGENT,
1968	DP_CRS_VISIBLE,
1969	DP_DECANM,
1970	DP_DECARM,
1971	DP_DECAWM,
1972	DP_DECBKM,
1973	DP_DECCKM,
1974	DP_DECCOLM,	/* IN132COLUMNS */
1975	DP_DECKPAM,
1976	DP_DECNRCM,
1977	DP_DECOM,
1978	DP_DECPEX,
1979	DP_DECPFF,
1980	DP_DECSCLM,
1981	DP_DECSCNM,
1982	DP_DECTCEM,
1983	DP_DELETE_IS_DEL,
1984	DP_EIGHT_BIT_META,
1985	DP_KEEP_CLIPBOARD,
1986	DP_KEEP_SELECTION,
1987	DP_KEYBOARD_TYPE,
1988	DP_POP_ON_BELL,
1989	DP_PRN_EXTENT,
1990	DP_PRN_FORMFEED,
1991	DP_RXVT_SCROLLBAR,
1992	DP_RXVT_SCROLL_TTY_KEYPRESS,
1993	DP_RXVT_SCROLL_TTY_OUTPUT,
1994	DP_SELECT_TO_CLIPBOARD,
1995	DP_X_ALTBUF,
1996	DP_X_DECCOLM,
1997	DP_X_EXT_MOUSE,
1998	DP_X_LOGGING,
1999	DP_X_LRMM,
2000	DP_X_MARGIN,
2001	DP_X_MORE,
2002	DP_X_MOUSE,
2003	DP_X_NCSM,
2004	DP_X_REVWRAP,
2005	DP_X_X10MSE,
2006#if OPT_BLINK_CURS
2007	DP_CRS_BLINK,
2008#endif
2009#if OPT_FOCUS_EVENT
2010	DP_X_FOCUS,
2011#endif
2012#if OPT_NUM_LOCK
2013	DP_REAL_NUMLOCK,
2014	DP_META_SENDS_ESC,
2015#endif
2016#if OPT_SHIFT_FONTS
2017	DP_RXVT_FONTSIZE,
2018#endif
2019#if OPT_SIXEL_GRAPHICS
2020	DP_DECSDM,
2021#endif
2022#if OPT_TEK4014
2023	DP_DECTEK,
2024#endif
2025#if OPT_TOOLBAR
2026	DP_TOOLBAR,
2027#endif
2028#if OPT_GRAPHICS
2029	DP_X_PRIVATE_COLOR_REGISTERS,
2030#endif
2031#if OPT_SIXEL_GRAPHICS
2032	DP_SIXEL_SCROLLS_RIGHT,
2033#endif
2034#if OPT_PRINT_GRAPHICS
2035	DP_DECGEPM,  /* Graphics Expanded Print Mode */
2036	DP_DECGPCM,  /* Graphics Print Color Mode */
2037	DP_DECGPCS,  /* Graphics Print Color Syntax */
2038	DP_DECGPBM,  /* Graphics Print Background Mode */
2039	DP_DECGRPM,  /* Graphics Rotated Print Mode */
2040#endif
2041	DP_LAST
2042} SaveModes;
2043
2044#define DoSM(code,value)  screen->save_modes[code] = (unsigned) (value)
2045#define DoRM(code,value)  value = (Boolean) screen->save_modes[code]
2046#define DoRM0(code,value) value = screen->save_modes[code]
2047
2048	/* index into vt_shell[] or tek_shell[] */
2049typedef enum {
2050	noMenu = -1
2051	,mainMenu
2052	,vtMenu
2053	,fontMenu
2054#if OPT_TEK4014
2055	,tekMenu
2056#endif
2057} MenuIndex;
2058
2059typedef enum {
2060	bvOff = -1,
2061	bvLow = 0,
2062	bvHigh
2063} BellVolume;
2064
2065#define NUM_POPUP_MENUS 4
2066
2067typedef struct {
2068	String		resource;
2069	Pixel		value;
2070	unsigned short red, green, blue;
2071	int		mode;		/* -1=invalid, 0=unset, 1=set   */
2072} ColorRes;
2073
2074/* these are set in getPrinterFlags */
2075typedef struct {
2076	int	printer_extent;		/* print complete page		*/
2077	int	printer_formfeed;	/* print formfeed per function	*/
2078	int	printer_newline;	/* print newline per function	*/
2079	int	print_attributes;	/* 0=off, 1=normal, 2=color	*/
2080	int	print_everything;	/* 0=all, 1=dft, 2=alt, 3=saved */
2081} PrinterFlags;
2082
2083typedef struct {
2084	FILE *	fp;			/* output file/pipe used	*/
2085	Boolean isOpen;			/* output was opened/tried	*/
2086	Boolean toFile;			/* true when directly to file	*/
2087	Boolean printer_checked;	/* printer_command is checked	*/
2088	String	printer_command;	/* pipe/shell command string	*/
2089	Boolean printer_autoclose;	/* close printer when offline	*/
2090	Boolean printer_extent;		/* print complete page		*/
2091	Boolean printer_formfeed;	/* print formfeed per function	*/
2092	Boolean printer_newline;	/* print newline per function	*/
2093	int	printer_controlmode;	/* 0=off, 1=auto, 2=controller	*/
2094	int	print_attributes;	/* 0=off, 1=normal, 2=color	*/
2095	int	print_everything;	/* 0=all, 1=dft, 2=alt, 3=saved */
2096} PrinterState;
2097
2098typedef struct {
2099	unsigned	which;		/* must have NCOLORS bits */
2100	Pixel		colors[NCOLORS];
2101	char		*names[NCOLORS];
2102} ScrnColors;
2103
2104#define NUM_GSETS 4
2105
2106typedef struct {
2107	Boolean		saved;
2108	int		row;
2109	int		col;
2110	IFlags		flags;		/* VTxxx saves graphics rendition */
2111	Char		curgl;
2112	Char		curgr;
2113	DECNRCM_codes	gsets[NUM_GSETS];
2114	Boolean		wrap_flag;
2115#if OPT_ISO_COLORS
2116	int		cur_foreground;  /* current foreground color	*/
2117	int		cur_background;  /* current background color	*/
2118	int		sgr_foreground;  /* current SGR foreground color */
2119	int		sgr_background;  /* current SGR background color */
2120	Boolean		sgr_38_xcolors;  /* true if ISO 8613 extension	*/
2121#endif
2122} SavedCursor;
2123
2124typedef struct _SaveTitle {
2125	struct _SaveTitle *next;
2126	char		*iconName;
2127	char		*windowName;
2128} SaveTitle;
2129
2130#define SAVED_CURSORS 2
2131
2132typedef struct {
2133	int		width;		/* if > 0, width of scrollbar,	*/
2134					/* and scrollbar is showing	*/
2135	Boolean		rv_cached;	/* see ScrollBarReverseVideo	*/
2136	int		rv_active;	/* ...current reverse-video	*/
2137	Pixel		bg;		/* ...cached background color	*/
2138	Pixel		fg;		/* ...cached foreground color	*/
2139	Pixel		bdr;		/* ...cached border color	*/
2140	Pixmap		bdpix;		/* ...cached border pixmap	*/
2141} SbInfo;
2142
2143#if OPT_TOOLBAR
2144typedef struct {
2145	Widget		menu_bar;	/* toolbar, if initialized	*/
2146	Dimension	menu_height;	/* ...and its height		*/
2147	Dimension	menu_border;	/* ...and its border		*/
2148} TbInfo;
2149#define VT100_TB_INFO(name) screen.fullVwin.tb_info.name
2150#endif
2151
2152typedef struct {
2153	Window		window;		/* X window id			*/
2154	int		width;		/* width of columns in pixels	*/
2155	int		height;		/* height of rows in pixels	*/
2156	Dimension	fullwidth;	/* full width of window		*/
2157	Dimension	fullheight;	/* full height of window	*/
2158	int		f_width;	/* width of fonts in pixels	*/
2159	int		f_height;	/* height of fonts in pixels	*/
2160	int		f_ascent;	/* ascent of font in pixels	*/
2161	int		f_descent;	/* descent of font in pixels	*/
2162	SbInfo		sb_info;
2163	GC		filler_gc;	/* filler's fg/bg		*/
2164	GC		border_gc;	/* inner border's fg/bg		*/
2165	GC		marker_gc[2];	/* wrap-marks			*/
2166#if USE_DOUBLE_BUFFER
2167	Drawable	drawable;	/* X drawable id                */
2168#endif
2169#if OPT_TOOLBAR
2170	Boolean		active;		/* true if toolbars are used	*/
2171	TbInfo		tb_info;	/* toolbar information		*/
2172#endif
2173} VTwin;
2174
2175typedef struct {
2176	Window		window;		/* X window id			*/
2177	int		width;		/* width of columns		*/
2178	int		height;		/* height of rows		*/
2179	Dimension	fullwidth;	/* full width of window		*/
2180	Dimension	fullheight;	/* full height of window	*/
2181	double		tekscale;	/* scale factor Tek -> vs100	*/
2182} TKwin;
2183
2184typedef struct {
2185    char *f_n;			/* the normal font */
2186    char *f_b;			/* the bold font */
2187#if OPT_WIDE_CHARS
2188    char *f_w;			/* the normal wide font */
2189    char *f_wb;			/* the bold wide font */
2190#endif
2191} VTFontNames;
2192
2193typedef struct {
2194    char **list_n;		/* the normal font */
2195    char **list_b;		/* the bold font */
2196#if OPT_WIDE_ATTRS || OPT_RENDERWIDE
2197    char **list_i;		/* italic font (Xft only) */
2198    char **list_bi;		/* bold-italic font (Xft only) */
2199#endif
2200#if OPT_WIDE_CHARS
2201    char **list_w;		/* the normal wide font */
2202    char **list_wb;		/* the bold wide font */
2203    char **list_wi;		/* wide italic font (Xft only) */
2204    char **list_wbi;		/* wide bold-italic font (Xft only) */
2205#endif
2206} VTFontList;
2207
2208typedef struct {
2209    VTFontList x11;
2210#if OPT_RENDERFONT
2211    VTFontList xft;
2212#endif
2213} XtermFontNames;
2214
2215typedef struct {
2216    VTFontNames default_font;
2217    String menu_font_names[NMENUFONTS][fMAX];
2218    XtermFontNames fonts;
2219} SubResourceRec;
2220
2221#if OPT_INPUT_METHOD
2222#define NINPUTWIDGETS	3
2223typedef struct {
2224	Widget		w;
2225	XIM		xim;		/* input method attached to 'w' */
2226	XIC		xic;		/* input context attached to 'xim' */
2227} TInput;
2228#endif
2229
2230typedef enum {
2231	CURSOR_BLOCK = 2
2232	, CURSOR_UNDERLINE = 4
2233	, CURSOR_BAR = 6
2234} XtCursorShape;
2235
2236#define isCursorBlock(s)	((s)->cursor_shape == CURSOR_BLOCK)
2237#define isCursorUnderline(s)	((s)->cursor_shape == CURSOR_UNDERLINE)
2238#define isCursorBar(s)		((s)->cursor_shape == CURSOR_BAR)
2239
2240typedef enum {
2241	DEFAULT_STYLE = 0
2242	, BLINK_BLOCK
2243	, STEADY_BLOCK
2244	, BLINK_UNDERLINE
2245	, STEADY_UNDERLINE
2246	, BLINK_BAR
2247	, STEADY_BAR
2248} XtCursorStyle;
2249
2250#if OPT_GRAPHICS
2251#define GraphicsTermId(screen) (\
2252	(screen)->graphics_termid \
2253	 ? (screen)->graphics_termid \
2254	 : (screen)->terminal_id)
2255#else
2256#define GraphicsTermId(screen) (screen)->terminal_id
2257#endif
2258
2259#if OPT_REGIS_GRAPHICS
2260#define optRegisGraphics(screen) \
2261	(GraphicsTermId(screen) == 125 || \
2262	 GraphicsTermId(screen) == 240 || \
2263	 GraphicsTermId(screen) == 241 || \
2264	 GraphicsTermId(screen) == 330 || \
2265	 GraphicsTermId(screen) == 340)
2266#else
2267#define optRegisGraphics(screen) False
2268#endif
2269
2270#if OPT_SIXEL_GRAPHICS
2271#define optSixelGraphics(screen) \
2272	(GraphicsTermId(screen) == 240 || \
2273	 GraphicsTermId(screen) == 241 || \
2274	 GraphicsTermId(screen) == 330 || \
2275	 GraphicsTermId(screen) == 340 || \
2276	 GraphicsTermId(screen) == 382)
2277#else
2278#define optSixelGraphics(screen) False
2279#endif
2280
2281#if OPT_PRINT_GRAPHICS
2282#define if_PRINT_GRAPHICS2(statement) if (optRegisGraphics(screen)) { statement; } else
2283#else
2284#define if_PRINT_GRAPHICS2(statement) /* nothing */
2285#endif
2286
2287typedef struct {
2288/* These parameters apply to both windows */
2289	Display		*display;	/* X display for screen		*/
2290	int		respond;	/* socket for responses
2291					   (position report, etc.)	*/
2292	int		nextEventDelay;	/* msecs to delay for x-events  */
2293/* These parameters apply to VT100 window */
2294	IChar		*unparse_bfr;
2295	unsigned	unparse_len;
2296	unsigned	unparse_max;	/* limitResponse resource	*/
2297
2298#if OPT_TCAP_QUERY
2299	int		tc_query_code;
2300	Bool		tc_query_fkey;
2301#endif
2302	pid_t		pid;		/* pid of process on far side   */
2303	uid_t		uid;		/* user id of actual person	*/
2304	gid_t		gid;		/* group id of actual person	*/
2305	ColorRes	Tcolors[NCOLORS]; /* terminal colors		*/
2306#if OPT_HIGHLIGHT_COLOR
2307	Boolean		hilite_color;	/* hilite colors override	*/
2308	Boolean		hilite_reverse;	/* hilite overrides reverse	*/
2309#endif
2310#if OPT_ISO_COLORS
2311	XColor *	cmap_data;	/* color table			*/
2312	unsigned	cmap_size;
2313	ColorRes	Acolors[MAXCOLORS]; /* ANSI color emulation	*/
2314	int		veryBoldColors;	/* modifier for boldColors	*/
2315	Boolean		boldColors;	/* can we make bold colors?	*/
2316	Boolean		colorMode;	/* are we using color mode?	*/
2317	Boolean		colorULMode;	/* use color for underline?	*/
2318	Boolean		italicULMode;	/* italic font for underline?	*/
2319	Boolean		colorBDMode;	/* use color for bold?		*/
2320	Boolean		colorBLMode;	/* use color for blink?		*/
2321	Boolean		colorRVMode;	/* use color for reverse?	*/
2322	Boolean		colorAttrMode;	/* prefer colorUL/BD to SGR	*/
2323#if OPT_WIDE_ATTRS
2324	Boolean		colorITMode;	/* use color for italics?	*/
2325#endif
2326#if OPT_DIRECT_COLOR
2327	Boolean		direct_color;	/* direct-color enabled?	*/
2328#endif
2329#endif /* OPT_ISO_COLORS */
2330#if OPT_DEC_CHRSET
2331	Boolean		font_doublesize;/* enable font-scaling		*/
2332	int		cache_doublesize;/* limit of our cache		*/
2333	Char		cur_chrset;	/* character-set index & code	*/
2334	int		fonts_used;	/* count items in double_fonts	*/
2335	XTermFonts	double_fonts[NUM_CHRSET];
2336#if OPT_RENDERFONT
2337	XftFont *	double_xft_fonts[NUM_CHRSET];
2338#endif
2339#endif /* OPT_DEC_CHRSET */
2340#if OPT_DEC_RECTOPS
2341	int		cur_decsace;	/* parameter for DECSACE	*/
2342	int		checksum_ext;	/* extensions for DECRQCRA	*/
2343	int		checksum_ext0;	/* initial checksumExtension	*/
2344#endif
2345#if OPT_WIDE_CHARS
2346	Boolean		wide_chars;	/* true when 16-bit chars	*/
2347	Boolean		vt100_graphics;	/* true to allow vt100-graphics	*/
2348	Boolean		utf8_inparse;	/* true to enable UTF-8 parser	*/
2349	Boolean		normalized_c;	/* true to precompose to Form C */
2350	char *		utf8_mode_s;	/* use UTF-8 decode/encode	*/
2351	char *		utf8_fonts_s;	/* use UTF-8 decode/encode	*/
2352	char *		utf8_title_s;	/* use UTF-8 titles		*/
2353	int		utf8_nrc_mode;	/* saved UTF-8 mode for DECNRCM */
2354	Boolean		utf8_always;	/* special case for wideChars	*/
2355	int		utf8_mode;	/* use UTF-8 decode/encode: 0-2	*/
2356	int		utf8_fonts;	/* use UTF-8 fonts: 0-2		*/
2357	int		utf8_title;	/* use UTF-8 EWHM props: 0-2	*/
2358	int		max_combining;	/* maximum # of combining chars	*/
2359	Boolean		utf8_latin1;	/* use UTF-8 with Latin-1 bias	*/
2360	Boolean		utf8_weblike;	/* use UTF-8 with browser bias	*/
2361	int		latin9_mode;	/* poor man's luit, latin9	*/
2362	int		unicode_font;	/* font uses unicode encoding	*/
2363	int		utf_count;	/* state of utf_char		*/
2364	IChar		utf_char;	/* in-progress character	*/
2365	Boolean		char_was_written;
2366	int		last_written_col;
2367	int		last_written_row;
2368	TypedBuffer(XChar2b);
2369	TypedBuffer(char);
2370#endif
2371#if OPT_BROKEN_OSC
2372	Boolean		brokenLinuxOSC; /* true to ignore Linux palette ctls */
2373#endif
2374#if OPT_BROKEN_ST
2375	Boolean		brokenStringTerm; /* true to match old OSC parse */
2376#endif
2377#if OPT_C1_PRINT || OPT_WIDE_CHARS
2378	Boolean		c1_printable;	/* true if we treat C1 as print	*/
2379#endif
2380	int		border;		/* inner border			*/
2381	int		scrollBarBorder; /* scrollBar border		*/
2382	long		event_mask;
2383	unsigned	send_mouse_pos;	/* user wants mouse transition  */
2384					/* and position information	*/
2385	int		extend_coords;	/* support large terminals	*/
2386#if OPT_FOCUS_EVENT
2387	Boolean		send_focus_pos; /* user wants focus in/out info */
2388#endif
2389	Boolean		quiet_grab;	/* true if no cursor change on focus */
2390#if OPT_PASTE64
2391	Cardinal	base64_paste;	/* set to send paste in base64	*/
2392	int		base64_final;	/* string-terminator for paste	*/
2393	/* _qWriteSelectionData expects these to be initialized to zero.
2394	 * base64_flush() is the last step of the conversion, it clears these
2395	 * variables.
2396	 */
2397	unsigned	base64_accu;
2398	unsigned	base64_count;
2399	unsigned	base64_pad;
2400#endif
2401#if OPT_PASTE64 || OPT_READLINE
2402	unsigned	paste_brackets;
2403	/* not part of bracketed-paste, these are here to simplify ifdefs */
2404	unsigned	dclick3_deletes;
2405	unsigned	paste_literal_nl;
2406#endif
2407#if OPT_READLINE
2408	unsigned	click1_moves;
2409	unsigned	paste_moves;
2410	unsigned	paste_quotes;
2411#endif	/* OPT_READLINE */
2412#if OPT_DEC_LOCATOR
2413	Boolean		locator_reset;	/* turn mouse off after 1 report? */
2414	Boolean		locator_pixels;	/* report in pixels?		*/
2415					/* if false, report in cells	*/
2416	unsigned	locator_events;	/* what events to report	*/
2417	Boolean		loc_filter;	/* is filter rectangle active?	*/
2418	int		loc_filter_top;	/* filter rectangle for DEC Locator */
2419	int		loc_filter_left;
2420	int		loc_filter_bottom;
2421	int		loc_filter_right;
2422#endif	/* OPT_DEC_LOCATOR */
2423	int		mouse_button;	/* current button pressed	*/
2424	int		mouse_row;	/* ...and its row		*/
2425	int		mouse_col;	/* ...and its column		*/
2426	int		select;		/* xterm selected		*/
2427	Boolean		bellOnReset;	/* bellOnReset			*/
2428	Boolean		visualbell;	/* visual bell mode		*/
2429	Boolean		poponbell;	/* pop on bell mode		*/
2430
2431	Boolean		eraseSavedLines; /* eraseSavedLines option	*/
2432	Boolean		eraseSavedLines0; /* initial eraseSavedLines	*/
2433	Boolean		tabCancelsWrap; /* tabCancelsWrap option	*/
2434
2435	Boolean		allowPasteControls; /* PasteControls mode	*/
2436	Boolean		allowColorOps;	/* ColorOps mode		*/
2437	Boolean		allowFontOps;	/* FontOps mode			*/
2438	Boolean		allowMouseOps;	/* MouseOps mode		*/
2439	Boolean		allowSendEvents;/* SendEvent mode		*/
2440	Boolean		allowTcapOps;	/* TcapOps mode			*/
2441	Boolean		allowTitleOps;	/* TitleOps mode		*/
2442	Boolean		allowWindowOps;	/* WindowOps mode		*/
2443
2444	Boolean		allowPasteControl0; /* PasteControls mode	*/
2445	Boolean		allowColorOp0;	/* initial ColorOps mode	*/
2446	Boolean		allowFontOp0;	/* initial FontOps mode		*/
2447	Boolean		allowMouseOp0;	/* initial MouseOps mode	*/
2448	Boolean		allowSendEvent0;/* initial SendEvent mode	*/
2449	Boolean		allowTcapOp0;	/* initial TcapOps mode		*/
2450	Boolean		allowTitleOp0;	/* initial TitleOps mode	*/
2451	Boolean		allowWindowOp0;	/* initial WindowOps mode	*/
2452
2453	String		disallowedColorOps;
2454	char		disallow_color_ops[ecLAST];
2455
2456	String		disallowedFontOps;
2457	char		disallow_font_ops[efLAST];
2458
2459	String		disallowedMouseOps;
2460	char		disallow_mouse_ops[emLAST];
2461
2462	String		disallowedPasteControls;
2463	char		disallow_paste_controls[epLAST];
2464
2465	String		disallowedTcapOps;
2466	char		disallow_tcap_ops[etLAST];
2467
2468	String		disallowedWinOps;
2469	char		disallow_win_ops[ewLAST];
2470
2471	Boolean		awaitInput;	/* select-timeout mode		*/
2472	Boolean		grabbedKbd;	/* keyboard is grabbed		*/
2473#ifdef ALLOWLOGGING
2474	int		logging;	/* logging mode			*/
2475	int		logfd;		/* file descriptor of log	*/
2476	char		*logfile;	/* log file name		*/
2477	Char		*logstart;	/* current start of log buffer	*/
2478#endif
2479	int		inhibit;	/* flags for inhibiting changes	*/
2480
2481/* VT window parameters */
2482	Boolean		Vshow;		/* VT window showing		*/
2483	VTwin		fullVwin;
2484	int		needSwap;
2485#ifndef NO_ACTIVE_ICON
2486	VTwin		iconVwin;
2487	VTwin		*whichVwin;
2488#endif /* NO_ACTIVE_ICON */
2489
2490	int		pointer_mode;	/* when to use hidden_cursor	*/
2491	int		pointer_mode0;	/* ...initial value             */
2492	Boolean 	hide_pointer;	/* true to use "hidden_cursor"  */
2493	String		pointer_shape;	/* name of shape in cursor font */
2494	Cursor		pointer_cursor;	/* current pointer cursor	*/
2495	Cursor		hidden_cursor;	/* hidden cursor in window	*/
2496
2497	String	answer_back;		/* response to ENQ		*/
2498
2499	PrinterState	printer_state;	/* actual printer state		*/
2500	PrinterFlags	printer_flags;	/* working copy of printer flags */
2501#if OPT_PRINT_ON_EXIT
2502	Boolean		write_error;
2503#endif
2504
2505	Boolean		fnt_prop;	/* true if proportional fonts	*/
2506	unsigned	fnt_boxes;	/* 0=no boxes, 1=old, 2=unicode */
2507	Boolean		force_packed;	/* true to override proportional */
2508#if OPT_BOX_CHARS
2509	Boolean		force_box_chars;/* true if we assume no boxchars */
2510	Boolean		broken_box_chars;/* true if broken boxchars	*/
2511	Boolean		force_all_chars;/* true to outline missing chars */
2512	Boolean		assume_all_chars;/* true to allow missing chars */
2513	Boolean		allow_packing;	/* true to allow packed-fonts	*/
2514#endif
2515	Dimension	fnt_wide;
2516	Dimension	fnt_high;
2517	float		scale_height;	/* scaling for font-height	*/
2518	XTermFonts	fnts[fMAX];	/* normal/bold/etc for terminal	*/
2519	Boolean		free_bold_box;	/* same_font_size's austerity	*/
2520	Boolean		allowBoldFonts;	/* do we use bold fonts at all? */
2521#if OPT_WIDE_ATTRS
2522	XTermFonts	ifnts[fMAX];	/* normal/bold/etc italic fonts */
2523	Boolean		ifnts_ok;	/* true if ifnts[] is cached	*/
2524#endif
2525#ifndef NO_ACTIVE_ICON
2526	XTermFonts	fnt_icon;	/* icon font			*/
2527	String		icon_fontname;	/* name of icon font		*/
2528	int		icon_fontnum;	/* number to use for icon font	*/
2529#endif /* NO_ACTIVE_ICON */
2530	int		enbolden;	/* overstrike for bold font	*/
2531	XPoint		*box;		/* draw unselected cursor	*/
2532
2533	int		cursor_state;	/* ON, OFF, or BLINKED_OFF	*/
2534	int		cursor_busy;	/* do not redraw...		*/
2535	Boolean		cursor_underline; /* true if cursor is in underline mode */
2536	XtCursorShape	cursor_shape;
2537#if OPT_BLINK_CURS
2538	BlinkOps	cursor_blink;	/* cursor blink enable		*/
2539	BlinkOps	cursor_blink_i;	/* save cursor blink enable	*/
2540	char *		cursor_blink_s;	/* ...resource cursorBlink	*/
2541	int		cursor_blink_esc; /* cursor blink escape-state	*/
2542	Boolean		cursor_blink_xor; /* how to merge menu/escapes	*/
2543#endif
2544#if OPT_BLINK_TEXT
2545	Boolean		blink_as_bold;	/* text blink disable		*/
2546#endif
2547#if OPT_BLINK_CURS || OPT_BLINK_TEXT
2548	int		blink_state;	/* ON, OFF, or BLINKED_OFF	*/
2549	int		blink_on;	/* cursor on time (msecs)	*/
2550	int		blink_off;	/* cursor off time (msecs)	*/
2551	XtIntervalId	blink_timer;	/* timer-id for cursor-proc	*/
2552#endif
2553#if OPT_ZICONBEEP
2554	Boolean		zIconBeep_flagged; /* True if icon name was changed */
2555#endif /* OPT_ZICONBEEP */
2556	int		cursor_GC;	/* see ShowCursor()		*/
2557	int		cursor_set;	/* requested state		*/
2558	CELL		cursorp;	/* previous cursor row/column	*/
2559	int		cur_col;	/* current cursor column	*/
2560	int		cur_row;	/* current cursor row		*/
2561	int		max_col;	/* rightmost column		*/
2562	int		max_row;	/* bottom row			*/
2563	int		top_marg;	/* top line of scrolling region */
2564	int		bot_marg;	/* bottom line of  "	    "	*/
2565	int		lft_marg;	/* left column of "	    "	*/
2566	int		rgt_marg;	/* right column of "	    "	*/
2567	Widget		scrollWidget;	/* pointer to scrollbar struct	*/
2568#if USE_DOUBLE_BUFFER
2569	int		buffered_sb;	/* nonzero when pending update	*/
2570	struct timeval	buffered_at;	/* reference time, for FPS	*/
2571#define DbeMsecs(xw)	(1000L / (long) resource.buffered_fps)
2572#endif
2573	/*
2574	 * Indices used to keep track of the top of the vt100 window and
2575	 * the saved lines, taking scrolling into account.
2576	 */
2577	int		topline;	/* line number of top, <= 0	*/
2578	long		saved_fifo;     /* number of lines that've ever been saved */
2579	int		savedlines;     /* number of lines that've been saved */
2580	int		savelines;	/* number of lines off top to save */
2581	int		scroll_amt;	/* amount to scroll		*/
2582	int		refresh_amt;	/* amount to refresh		*/
2583	/*
2584	 * Working variables for getLineData().
2585	 */
2586	size_t		lineExtra;	/* extra space for combining chars */
2587	size_t		cellExtra;	/* extra space for combining chars */
2588	/*
2589	 * Pointer to the current visible buffer.
2590	 */
2591	ScrnBuf		visbuf;		/* ptr to visible screen buf (main) */
2592	/*
2593	 * Data for the normal buffer, which may have saved lines to which
2594	 * the user can scroll.
2595	 */
2596	ScrnBuf		saveBuf_index;
2597	Char		*saveBuf_data;
2598	/*
2599	 * Data for visible and alternate buffer.
2600	 */
2601	ScrnBuf		editBuf_index[2];
2602	Char		*editBuf_data[2];
2603	int		whichBuf;	/* 0/1 for normal/alternate buf */
2604	Boolean		is_running;	/* true when buffers are legal	*/
2605	/*
2606	 * Workspace used for screen operations.
2607	 */
2608	Char		**save_ptr;	/* workspace for save-pointers  */
2609	size_t		save_len;	/* ...and its length		*/
2610
2611	int		scrolllines;	/* number of lines to button scroll */
2612	Boolean		alternateScroll; /* scroll-actions become keys */
2613	Boolean		scrollttyoutput; /* scroll to bottom on tty output */
2614	Boolean		scrollkey;	/* scroll to bottom on key	*/
2615	Boolean		cursor_moved;	/* scrolling makes cursor move	*/
2616
2617	Boolean		do_wrap;	/* true if cursor in last column
2618					    and character just output    */
2619
2620	int		incopy;		/* 0 idle; 1 XCopyArea issued;
2621					    -1 first GraphicsExpose seen,
2622					    but last not seen		*/
2623	int		copy_src_x;	/* params from last XCopyArea ... */
2624	int		copy_src_y;
2625	unsigned int	copy_width;
2626	unsigned int	copy_height;
2627	int		copy_dest_x;
2628	int		copy_dest_y;
2629
2630	Dimension	embed_wide;
2631	Dimension	embed_high;
2632
2633	Boolean		c132;		/* allow change to 132 columns	*/
2634	Boolean		curses;		/* kludge line wrap for more	*/
2635	Boolean		hp_ll_bc;	/* kludge HP-style ll for xdb	*/
2636	Boolean		marginbell;	/* true if margin bell on	*/
2637	int		nmarginbell;	/* columns from right margin	*/
2638	int		bellArmed;	/* cursor below bell margin	*/
2639	BellVolume	marginVolume;	/* margin-bell volume           */
2640	BellVolume	warningVolume;	/* warning-bell volume          */
2641	Boolean		multiscroll;	/* true if multi-scroll		*/
2642	int		scrolls;	/* outstanding scroll count,
2643					    used only with multiscroll	*/
2644	SavedCursor	sc[SAVED_CURSORS]; /* data for restore cursor	*/
2645	IFlags		save_modes[DP_LAST]; /* save dec/xterm private modes */
2646
2647	int		title_modes;	/* control set/get of titles	*/
2648	int		title_modes0;	/* ...initial value         	*/
2649	SaveTitle	*save_title;
2650
2651	/* Improved VT100 emulation stuff.				*/
2652	String		keyboard_dialect; /* default keyboard dialect	*/
2653	DECNRCM_codes	gsets[NUM_GSETS]; /* G0 through G3.		*/
2654	Char		curgl;		/* Current GL setting.		*/
2655	Char		curgr;		/* Current GR setting.		*/
2656	Char		curss;		/* Current single shift.	*/
2657	String		term_id;	/* resource for terminal_id	*/
2658	int		terminal_id;	/* 100=vt100, 220=vt220, etc.	*/
2659	int		vtXX_level;	/* 0=vt52, 1,2,3 = vt100 ... vt320 */
2660	int		ansi_level;	/* dpANSI levels 1,2,3		*/
2661	int		protected_mode;	/* 0=off, 1=DEC, 2=ISO		*/
2662	Boolean		always_bold_mode; /* compare normal/bold font	*/
2663	Boolean		always_highlight; /* whether to highlight cursor */
2664	Boolean		bold_mode;	/* use bold font or overstrike	*/
2665	Boolean		delete_is_del;	/* true for compatible Delete key */
2666	Boolean		jumpscroll;	/* whether we should jumpscroll */
2667	Boolean		fastscroll;	/* whether we should fastscroll */
2668	Boolean		old_fkeys;	/* true for compatible fkeys	*/
2669	Boolean		old_fkeys0;	/* ...initial value         	*/
2670	Boolean		underline;	/* whether to underline text	*/
2671
2672#if OPT_MAXIMIZE
2673	Boolean		restore_data;
2674	int		restore_x;
2675	int		restore_y;
2676	unsigned	restore_width;
2677	unsigned	restore_height;
2678#endif
2679
2680#if OPT_REGIS_GRAPHICS
2681	String		graphics_regis_default_font; /* font for "builtin" */
2682
2683	String		graphics_regis_screensize; /* given a size in pixels */
2684	Dimension	graphics_regis_def_wide; /* ...corresponding width   */
2685	Dimension	graphics_regis_def_high; /* ...and height            */
2686#endif
2687
2688#if OPT_GRAPHICS
2689	String		graph_termid;		/* resource for graphics_termid */
2690	int		graphics_termid;	/* based on terminal_id   */
2691	String		graphics_max_size;	/* given a size in pixels */
2692	Dimension	graphics_max_wide;	/* ...corresponding width */
2693	Dimension	graphics_max_high;	/* ...and height          */
2694#endif
2695
2696#if OPT_SCROLL_LOCK
2697	Boolean		allowScrollLock;/* ScrollLock mode		*/
2698	Boolean		allowScrollLock0;/* initial ScrollLock mode	*/
2699	Boolean		autoScrollLock; /* Auto ScrollLock mode		*/
2700	Boolean		scroll_lock;	/* true to keep buffer in view	*/
2701	Boolean		scroll_dirty;	/* scrolling makes screen dirty	*/
2702#endif
2703
2704#if OPT_SIXEL_GRAPHICS
2705	Boolean		sixel_scrolling; /* sixel scrolling             */
2706	Boolean		sixel_scrolls_right; /* sixel scrolling moves cursor to right */
2707#endif
2708
2709#if OPT_GRAPHICS
2710	int		numcolorregisters; /* number of supported color registers */
2711	Boolean		privatecolorregisters; /* private color registers for each graphic */
2712#endif
2713
2714	/* Graphics Printing */
2715#if OPT_PRINT_GRAPHICS
2716	Boolean		graphics_print_to_host;
2717	Boolean		graphics_expanded_print_mode;
2718	Boolean		graphics_print_color_mode;
2719	Boolean		graphics_print_color_syntax;
2720	Boolean		graphics_print_background_mode;
2721	Boolean		graphics_rotated_print_mode;
2722#endif
2723
2724#if OPT_VT52_MODE
2725	IFlags		vt52_save_flags;
2726	Char		vt52_save_curgl;
2727	Char		vt52_save_curgr;
2728	Char		vt52_save_curss;
2729	DECNRCM_codes	vt52_save_gsets[NUM_GSETS];
2730#endif
2731	/* Testing */
2732#if OPT_XMC_GLITCH
2733	unsigned	xmc_glitch;	/* # of spaces to pad on SGR's	*/
2734	IAttr		xmc_attributes;	/* attrs that make a glitch	*/
2735	Boolean		xmc_inline;	/* SGR's propagate only to eol	*/
2736	Boolean		move_sgr_ok;	/* SGR is reset on move		*/
2737#endif
2738
2739	/*
2740	 * Bell
2741	 */
2742	int		visualBellDelay; /* msecs to delay for visibleBell */
2743	int		bellSuppressTime; /* msecs after Bell before another allowed */
2744	Boolean		bellInProgress; /* still ringing/flashing prev bell? */
2745	Boolean		bellIsUrgent;	/* set XUrgency WM hint on bell */
2746	Boolean		flash_line;	/* show visualBell as current line */
2747	/*
2748	 * Select/paste state.
2749	 */
2750	Boolean		selectToClipboard; /* primary vs clipboard */
2751	String		*mappedSelect;	/* mapping for "SELECT" to "PRIMARY" */
2752
2753	Boolean		waitingForTrackInfo;
2754	int		numberOfClicks;
2755	int		maxClicks;
2756	int		multiClickTime;	/* time between multiclick selects */
2757	SelectUnit	selectUnit;
2758	SelectUnit	selectMap[NSELECTUNITS];
2759	String		onClick[NSELECTUNITS + 1];
2760
2761	char		*charClass;	/* for overriding word selection */
2762	Boolean		cutNewline;	/* whether or not line cut has \n */
2763	Boolean		cutToBeginningOfLine;  /* line cuts to BOL? */
2764	Boolean		highlight_selection; /* controls appearance of selection */
2765	Boolean		show_wrap_marks; /* show lines which are wrapped */
2766	Boolean		trim_selection; /* controls trimming of selection */
2767	Boolean		i18nSelections;
2768	Boolean		brokenSelections;
2769	Boolean		keepClipboard;	/* retain data sent to clipboard */
2770	Boolean		keepSelection;	/* do not lose selection on output */
2771	Boolean		replyToEmacs;	/* Send emacs escape code when done selecting or extending? */
2772
2773	SelectedCells	clipboard_data;	/* what we sent to the clipboard */
2774
2775	EventMode	eventMode;
2776	Time		selection_time;	/* latest event timestamp */
2777	Time		lastButtonUpTime;
2778	unsigned	lastButton;
2779
2780#define MAX_CUT_BUFFER  8		/* CUT_BUFFER0 to CUT_BUFFER7 */
2781#define MAX_SELECTIONS	(MAX_SELECTION_CODES + MAX_CUT_BUFFER)
2782	SelectedCells	selected_cells[MAX_SELECTIONS];
2783
2784	CELL		rawPos;		/* raw position for selection start */
2785	CELL		startRaw;	/* area before selectUnit processing */
2786	CELL		endRaw;		/* " " */
2787	CELL		startSel;	/* area after selectUnit processing */
2788	CELL		endSel;		/* " " */
2789	CELL		startH;		/* start highlighted text */
2790	CELL		endH;		/* end highlighted text */
2791	CELL		saveStartW;	/* saved WORD state, for LINE */
2792	CELL		startExt;	/* Start, end of extension */
2793	CELL		endExt;		/* " " */
2794	CELL		saveStartR;	/* Saved values of raw selection for extend to restore to */
2795	CELL		saveEndR;	/* " " */
2796	int		startHCoord, endHCoord;
2797	int		firstValidRow;	/* Valid rows for selection clipping */
2798	int		lastValidRow;	/* " " */
2799
2800	Boolean		selectToBuffer;	/* copy selection to buffer	*/
2801	InternalSelect	internal_select;
2802
2803	String		default_string;
2804	String		eightbit_select_types;
2805	Atom*		selection_targets_8bit;
2806#if OPT_WIDE_CHARS
2807	String		utf8_select_types;
2808	Atom*		selection_targets_utf8;
2809#endif
2810	Atom*		selection_atoms; /* which selections we own */
2811	Cardinal	sel_atoms_size;	 /* how many atoms allocated */
2812	Cardinal	selection_count; /* how many atoms in use */
2813#if OPT_SELECT_REGEX
2814	char *		selectExpr[NSELECTUNITS];
2815#endif
2816	/*
2817	 * Input/output state.
2818	 */
2819	Boolean		input_eight_bits;	/* do not send ESC when meta pressed */
2820	int		eight_bit_meta;		/* use 8th bit when meta pressed */
2821	char *		eight_bit_meta_s;	/* ...resource eightBitMeta */
2822	Boolean		output_eight_bits;	/* honor all bits or strip */
2823	Boolean		control_eight_bits;	/* send CSI as 8-bits */
2824	Boolean		backarrow_key;		/* backspace/delete */
2825	Boolean		alt_is_not_meta;	/* use both Alt- and Meta-key */
2826	Boolean		alt_sends_esc;		/* Alt-key sends ESC prefix */
2827	Boolean		meta_sends_esc;		/* Meta-key sends ESC prefix */
2828	/*
2829	 * Fonts
2830	 */
2831	Pixmap		menu_item_bitmap;	/* mask for checking items */
2832	String		initial_font;
2833	char *		menu_font_names[NMENUFONTS][fMAX];
2834#define MenuFontName(n) menu_font_names[n][fNorm]
2835#define EscapeFontName() MenuFontName(fontMenu_fontescape)
2836#define SelectFontName() MenuFontName(fontMenu_fontsel)
2837	long		menu_font_sizes[NMENUFONTS];
2838	int		menu_font_number;
2839#if OPT_LOAD_VTFONTS || OPT_WIDE_CHARS
2840	Boolean		savedVTFonts;
2841	Boolean		mergedVTFonts;
2842	SubResourceRec	cacheVTFonts;
2843#endif
2844#if OPT_CLIP_BOLD
2845	Boolean		use_border_clipping;
2846	Boolean		use_clipping;
2847#endif
2848	void *		main_cgs_cache;
2849#ifndef NO_ACTIVE_ICON
2850	void *		icon_cgs_cache;
2851#endif
2852#if OPT_RENDERFONT
2853	Boolean		force_xft_height;
2854	ListXftFonts	*list_xft_fonts;
2855	XTermXftFonts	renderFontNorm[NMENUFONTS];
2856	XTermXftFonts	renderFontBold[NMENUFONTS];
2857	XTermXftFonts	renderFontItal[NMENUFONTS];
2858	XTermXftFonts	renderFontBtal[NMENUFONTS];
2859#if OPT_RENDERWIDE
2860	XTermXftFonts	renderWideNorm[NMENUFONTS];
2861	XTermXftFonts	renderWideBold[NMENUFONTS];
2862	XTermXftFonts	renderWideItal[NMENUFONTS];
2863	XTermXftFonts	renderWideBtal[NMENUFONTS];
2864	TypedBuffer(XftCharSpec);
2865#else
2866	TypedBuffer(XftChar8);
2867#endif
2868	XftDraw *	renderDraw;
2869#endif
2870#if OPT_DABBREV
2871	Boolean		dabbrev_working;	/* nonzero during dabbrev process */
2872	unsigned char	dabbrev_erase_char;	/* used for deleting inserted completion */
2873#endif
2874	char		tcapbuf[TERMCAP_SIZE];
2875	char		tcap_area[TERMCAP_SIZE];
2876#if OPT_TCAP_FKEYS
2877	char **		tcap_fkeys;
2878#endif
2879	String		cursor_font_name;	/* alternate cursor font */
2880} TScreen;
2881
2882typedef XTermFonts *(*MyGetFont) (TScreen *, int);
2883
2884typedef struct _TekPart {
2885	XFontStruct *	Tfont[TEKNUMFONTS];
2886	int		tobaseline[TEKNUMFONTS]; /* top-baseline, each font */
2887	char *		initial_font;		/* large, 2, 3, small */
2888	char *		gin_terminator_str;	/* ginTerminator resource */
2889#if OPT_TOOLBAR
2890	TbInfo		tb_info;	/* toolbar information		*/
2891#endif
2892} TekPart;
2893
2894/* Tektronix window parameters */
2895typedef struct _TekScreen {
2896	GC		TnormalGC;	/* normal painting		*/
2897	GC		TcursorGC;	/* normal cursor painting	*/
2898
2899	Boolean		waitrefresh;	/* postpone refresh		*/
2900	TKwin		fullTwin;
2901#ifndef NO_ACTIVE_ICON
2902	TKwin		iconTwin;
2903	TKwin		*whichTwin;
2904#endif /* NO_ACTIVE_ICON */
2905
2906	Cursor		arrow;		/* arrow cursor			*/
2907	GC		linepat[TEKNUMLINES]; /* line patterns		*/
2908	int		cur_X;		/* current x			*/
2909	int		cur_Y;		/* current y			*/
2910	Tmodes		cur;		/* current tek modes		*/
2911	Tmodes		page;		/* starting tek modes on page	*/
2912	int		margin;		/* 0 -> margin 1, 1 -> margin 2	*/
2913	int		pen;		/* current Tektronix pen 0=up, 1=dn */
2914	char		*TekGIN;	/* nonzero if Tektronix GIN mode*/
2915	int		gin_terminator; /* Tek strap option */
2916	char		tcapbuf[TERMCAP_SIZE];
2917} TekScreen;
2918
2919#if OPT_PASTE64 || OPT_READLINE
2920#define SCREEN_FLAG(screenp,f)		(1&(screenp)->f)
2921#define SCREEN_FLAG_set(screenp,f)	((screenp)->f |= 1)
2922#define SCREEN_FLAG_unset(screenp,f)	((screenp)->f &= (unsigned) ~1L)
2923#define SCREEN_FLAG_save(screenp,f)	\
2924	((screenp)->f = (((screenp)->f)<<1) | SCREEN_FLAG(screenp,f))
2925#define SCREEN_FLAG_restore(screenp,f)	((screenp)->f = (((screenp)->f)>>1))
2926#else
2927#define SCREEN_FLAG(screenp,f)		(0)
2928#endif
2929
2930/*
2931 * After screen-updates, reset the flag that tells us we should do wrapping.
2932 * Likewise, reset (in wide-character mode) the flag that tells us where the
2933 * "previous" character was written.
2934 */
2935#if OPT_WIDE_CHARS
2936#define ResetWrap(screen) \
2937    (screen)->do_wrap = \
2938    (screen)->char_was_written = False
2939#else
2940#define ResetWrap(screen) \
2941    (screen)->do_wrap = False
2942#endif
2943
2944/* meaning of bits in screen.select flag */
2945#define	INWINDOW	01	/* the mouse is in one of the windows */
2946#define	FOCUS		02	/* one of the windows is the focus window */
2947
2948#define MULTICLICKTIME 250	/* milliseconds */
2949
2950typedef struct {
2951    const char *name;
2952    int code;
2953} FlagList;
2954
2955typedef enum {
2956    keyboardIsLegacy,		/* bogus vt220 codes for F1-F4, etc. */
2957    keyboardIsDefault,
2958    keyboardIsHP,
2959    keyboardIsSCO,
2960    keyboardIsSun,
2961    keyboardIsTermcap,
2962    keyboardIsVT220
2963} xtermKeyboardType;
2964
2965typedef enum {			/* legal values for screen.pointer_mode */
2966    pNever = 0
2967    , pNoMouse = 1
2968    , pAlways = 2
2969    , pFocused = 3
2970} pointerModeTypes;
2971
2972typedef enum {			/* legal values for screen.utf8_mode */
2973    uFalse = 0
2974    , uTrue = 1
2975    , uAlways = 2
2976    , uDefault = 3
2977    , uLast
2978} utf8ModeTypes;
2979
2980typedef enum {			/* legal values for screen.eight_bit_meta */
2981    ebFalse = 0
2982    , ebTrue = 1
2983    , ebNever = 2
2984    , ebLocale = 3
2985    , ebLast
2986} ebMetaModeTypes;
2987
2988typedef enum {			/* legal values for misc.cdXtraScroll */
2989    edFalse = 0
2990    , edTrue = 1
2991    , edTrim = 2
2992    , edLast
2993} edXtraScrollTypes;
2994
2995#define NAME_OLD_KT " legacy"
2996
2997#if OPT_HP_FUNC_KEYS
2998#define NAME_HP_KT " hp"
2999#else
3000#define NAME_HP_KT /*nothing*/
3001#endif
3002
3003#if OPT_SCO_FUNC_KEYS
3004#define NAME_SCO_KT " sco"
3005#else
3006#define NAME_SCO_KT /*nothing*/
3007#endif
3008
3009#if OPT_SUN_FUNC_KEYS
3010#define NAME_SUN_KT " sun"
3011#else
3012#define NAME_SUN_KT /*nothing*/
3013#endif
3014
3015#if OPT_SUNPC_KBD
3016#define NAME_VT220_KT " vt220"
3017#else
3018#define NAME_VT220_KT /*nothing*/
3019#endif
3020
3021#if OPT_TCAP_FKEYS
3022#define NAME_TCAP_KT " tcap"
3023#else
3024#define NAME_TCAP_KT /*nothing*/
3025#endif
3026
3027#define KEYBOARD_TYPES NAME_TCAP_KT NAME_HP_KT NAME_SCO_KT NAME_SUN_KT NAME_VT220_KT
3028
3029#if OPT_TRACE
3030#define TRACE_RC(code,func) code = func
3031#else
3032#define TRACE_RC(code,func) func
3033#endif
3034
3035extern	const char * visibleKeyboardType(xtermKeyboardType);
3036
3037typedef struct
3038{
3039    int allow_keys;		/* how to handle legacy/vt220 keyboard */
3040    int cursor_keys;		/* how to handle cursor-key modifiers */
3041    int function_keys;		/* how to handle function-key modifiers */
3042    int keypad_keys;		/* how to handle keypad key-modifiers */
3043    int other_keys;		/* how to handle other key-modifiers */
3044    int string_keys;		/* how to handle string() modifiers */
3045} TModify;
3046
3047typedef struct
3048{
3049    xtermKeyboardType type;
3050    IFlags flags;
3051    char *shell_translations;	/* shell's translations, for input check */
3052    char *xterm_translations;	/* xterm's translations, for input check */
3053    char *extra_translations;
3054    char *print_translations;	/* printable translations for buttons */
3055    unsigned shift_buttons;	/* special shift-modifier for mouse-buttons */
3056    int shift_escape;		/* working value of shiftEscape */
3057    char * shift_escape_s;	/* resource for shiftEscape */
3058#if OPT_INITIAL_ERASE
3059    int	reset_DECBKM;		/* reset should set DECBKM */
3060#endif
3061#if OPT_MOD_FKEYS
3062    TModify modify_now;		/* current modifier value */
3063    TModify modify_1st;		/* original modifier value, for resets */
3064    int format_keys;		/* format of modifyOtherKeys */
3065#endif
3066} TKeyboard;
3067
3068#define GravityIsNorthWest(w) ((w)->misc.resizeGravity == NorthWestGravity)
3069#define GravityIsSouthWest(w) ((w)->misc.resizeGravity == SouthWestGravity)
3070
3071typedef struct _Misc {
3072    VTFontNames default_font;
3073    char *geo_metry;
3074    char *T_geometry;
3075#if OPT_WIDE_CHARS
3076    Boolean cjk_width;		/* true for built-in CJK wcwidth() */
3077    Boolean mk_width;		/* true for simpler built-in wcwidth() */
3078    int mk_samplesize;
3079    int mk_samplepass;
3080#endif
3081#if OPT_LUIT_PROG
3082    Boolean callfilter;		/* true to invoke luit */
3083    Boolean use_encoding;	/* true to use -encoding option for luit */
3084    char *locale_str;		/* "locale" resource */
3085    char *localefilter;		/* path for luit */
3086#endif
3087    fontWarningTypes fontWarnings;
3088    int limit_resize;
3089#ifdef ALLOWLOGGING
3090    Boolean log_on;
3091#endif
3092    Boolean color_inner_border;
3093    Boolean login_shell;
3094    Boolean re_verse;
3095    Boolean re_verse0;		/* initial value of "-rv" */
3096    Boolean resizeByPixel;
3097    XtGravity resizeGravity;
3098    Boolean reverseWrap;
3099    Boolean autoWrap;
3100    Boolean logInhibit;
3101    Boolean signalInhibit;
3102#if OPT_TEK4014
3103    Boolean tekInhibit;
3104    Boolean tekSmall;		/* start tek window in small size */
3105    Boolean TekEmu;		/* true if Tektronix emulation	*/
3106    Boolean Tshow;		/* Tek window showing		*/
3107#endif
3108    Boolean scrollbar;
3109#ifdef SCROLLBAR_RIGHT
3110    Boolean useRight;
3111#endif
3112    Boolean titeInhibit;
3113    Boolean appcursorDefault;
3114    Boolean appkeypadDefault;
3115    int cdXtraScroll;		/* scroll on cd (clear-display) */
3116    char *cdXtraScroll_s;
3117    int tiXtraScroll;		/* scroll on ti/te (init/end-cup) */
3118    char *tiXtraScroll_s;
3119#if OPT_INPUT_METHOD
3120    char* f_x;			/* font for XIM */
3121    char* input_method;
3122    char* preedit_type;
3123    Boolean open_im;		/* true if input-method is opened */
3124    int retry_im;
3125#endif
3126    Boolean dynamicColors;
3127#ifndef NO_ACTIVE_ICON
3128    char *active_icon_s;	/* use application icon window  */
3129    unsigned icon_border_width;
3130    Pixel icon_border_pixel;
3131#endif /* NO_ACTIVE_ICON */
3132#if OPT_DEC_SOFTFONT
3133    Boolean font_loadable;
3134#endif
3135#if OPT_SHIFT_FONTS
3136    Boolean shift_fonts;	/* true if we interpret fontsize-shifting */
3137#endif
3138#if OPT_SUNPC_KBD
3139    int ctrl_fkeys;		/* amount to add to XK_F1 for ctrl modifier */
3140#endif
3141#if OPT_NUM_LOCK
3142    Boolean real_NumLock;	/* true if we treat NumLock key specially */
3143    Boolean alwaysUseMods;	/* true if we always want f-key modifiers */
3144#endif
3145#if OPT_RENDERFONT
3146    VTFontNames default_xft;
3147    float face_size[NMENUFONTS];
3148    char *render_font_s;
3149    int limit_fontsets;
3150#endif
3151} Misc;
3152
3153typedef struct _Work {
3154    int dummy;
3155#ifdef SunXK_F36
3156#define MAX_UDK 37
3157#else
3158#define MAX_UDK 35
3159#endif
3160    struct {
3161	char *str;
3162	int len;
3163    } user_keys[MAX_UDK];
3164#define MAX_POINTER (XC_num_glyphs/2)
3165    Cursor pointer_cursors[MAX_POINTER]; /* saved cursors	*/
3166#ifndef NO_ACTIVE_ICON
3167    int active_icon;		/* use application icon window  */
3168    char *wm_name;
3169#endif /* NO_ACTIVE_ICON */
3170#if OPT_INPUT_METHOD
3171    Boolean cannot_im;		/* true if we cannot use input-method */
3172    XFontSet xim_fs;		/* fontset for XIM preedit */
3173    int xim_fs_ascent;		/* ascent of fs */
3174    TInput inputs[NINPUTWIDGETS];
3175#endif
3176    Boolean doing_resize;	/* currently in RequestResize */
3177#if OPT_MAXIMIZE
3178#define MAX_EWMH_MODE 3
3179#define MAX_EWMH_DATA (1 + OPT_TEK4014)
3180    struct {
3181	int mode;		/* fullscreen, etc.		*/
3182	Boolean checked[MAX_EWMH_MODE + 1];
3183	Boolean allowed[MAX_EWMH_MODE + 1];
3184    } ewmh[MAX_EWMH_DATA];
3185#endif
3186#if OPT_NUM_LOCK
3187    unsigned num_lock;		/* modifier for Num_Lock */
3188    unsigned alt_mods;		/* modifier for Alt_L or Alt_R */
3189    unsigned meta_mods;		/* modifier for Meta_L or Meta_R */
3190#endif
3191    XtermFontNames fonts;
3192    Boolean force_wideFont;	/* true to single-step wideFont	*/
3193#if OPT_RENDERFONT
3194    Boolean render_font;
3195    unsigned max_fontsets;
3196#endif
3197#if OPT_DABBREV
3198#define MAX_DABBREV	1024	/* maximum word length as in tcsh */
3199    char dabbrev_data[MAX_DABBREV];
3200#endif
3201    ScrnColors *oldColors;
3202    Boolean palette_changed;
3203    Boolean broken_box_chars;
3204} Work;
3205
3206typedef struct {int foo;} XtermClassPart, TekClassPart;
3207
3208typedef struct _XtermClassRec {
3209    CoreClassPart  core_class;
3210    XtermClassPart xterm_class;
3211} XtermClassRec;
3212
3213extern WidgetClass xtermWidgetClass;
3214
3215#define IsXtermWidget(w) (XtClass(w) == xtermWidgetClass)
3216
3217#if OPT_TEK4014
3218typedef struct _TekClassRec {
3219    CoreClassPart core_class;
3220    TekClassPart tek_class;
3221} TekClassRec;
3222
3223extern WidgetClass tekWidgetClass;
3224
3225#define IsTekWidget(w) (XtClass(w) == tekWidgetClass)
3226
3227#endif
3228
3229/* define masks for keyboard.flags */
3230#define MODE_KAM	xBIT(0)	/* mode 2: keyboard action mode */
3231#define MODE_DECKPAM	xBIT(1)	/* keypad application mode */
3232#define MODE_DECCKM	xBIT(2)	/* private mode 1: cursor keys */
3233#define MODE_SRM	xBIT(3)	/* mode 12: send-receive mode */
3234#define MODE_DECBKM	xBIT(4)	/* private mode 67: backarrow */
3235#define MODE_DECSDM	xBIT(5)	/* private mode 80: sixel scrolling mode */
3236
3237#define N_MARGINBELL	10
3238
3239#define TAB_BITS_SHIFT	5	/* FIXME: 2**5 == 32 (should derive) */
3240#define TAB_BITS_WIDTH	(1 << TAB_BITS_SHIFT)
3241#define TAB_ARRAY_SIZE	(1024 / TAB_BITS_WIDTH)
3242#define MAX_TABS	(TAB_BITS_WIDTH * TAB_ARRAY_SIZE)
3243
3244#define OkTAB(c)	((c) >= 0 && (c) < MAX_TABS)
3245
3246typedef unsigned Tabs [TAB_ARRAY_SIZE];
3247
3248#if OPT_XTERM_SGR
3249#define MAX_SAVED_SGR	10
3250typedef	struct {
3251    int		used;
3252    struct	{
3253	IFlags	mask;
3254	IFlags	flags;
3255#if OPT_ISO_COLORS
3256	int	sgr_foreground;
3257	int	sgr_background;
3258	Boolean	sgr_38_xcolors;
3259#endif
3260    } stack[MAX_SAVED_SGR];
3261} SavedSGR;
3262
3263typedef struct {
3264    ScrnColors base;
3265    ColorRes ansi[1];
3266} ColorSlot;
3267
3268typedef struct {
3269    int		used;		/* currently saved or restored	*/
3270    int		last;		/* maximum number of saved palettes */
3271    ColorSlot	*palettes[MAX_SAVED_SGR];
3272} SavedColors;
3273#endif /* OPT_XTERM_SGR */
3274
3275typedef struct _XtermWidgetRec {
3276    CorePart	core;
3277    XSizeHints	hints;
3278    XVisualInfo *visInfo;
3279    int		numVisuals;
3280    unsigned	rgb_shifts[3];
3281    unsigned	rgb_widths[3];
3282    Bool	has_rgb;
3283    Bool	init_menu;
3284    TKeyboard	keyboard;	/* terminal keyboard		*/
3285    TScreen	screen;		/* terminal screen		*/
3286    IFlags	flags;		/* mode flags			*/
3287    int		cur_foreground; /* current foreground color	*/
3288    int		cur_background; /* current background color	*/
3289    Pixel	dft_foreground; /* default foreground color	*/
3290    Pixel	dft_background; /* default background color	*/
3291    Pixel	old_foreground; /* original foreground color	*/
3292    Pixel	old_background; /* original background color	*/
3293#if OPT_ISO_COLORS
3294    int		sgr_foreground; /* current SGR foreground color */
3295    int		sgr_background; /* current SGR background color */
3296    Boolean	sgr_38_xcolors;	/* true if ISO 8613 extension	*/
3297#endif
3298    IFlags	initflags;	/* initial mode flags		*/
3299    Tabs	tabs;		/* tabstops of the terminal	*/
3300    Misc	misc;		/* miscellaneous parameters	*/
3301    Work	work;		/* workspace (no resources)	*/
3302#if OPT_XTERM_SGR
3303    SavedSGR	saved_sgr;
3304    SavedColors	saved_colors;
3305#endif
3306} XtermWidgetRec, *XtermWidget;
3307
3308#if OPT_TEK4014
3309typedef struct _TekWidgetRec {
3310    CorePart	core;
3311    XtermWidget vt;		/* main widget has border, etc. */
3312    TekPart	tek;		/* contains resources */
3313    TekScreen	screen;		/* contains working data (no resources) */
3314    Bool	init_menu;
3315    XSizeHints	hints;
3316} TekWidgetRec, *TekWidget;
3317#endif /* OPT_TEK4014 */
3318
3319/*
3320 * terminal flags
3321 * There are actually two namespaces mixed together here.
3322 * One is the set of flags that can go in screen->visbuf attributes
3323 * and which must fit in a char (see OFF_ATTRS).
3324 * The other is the global setting stored in
3325 * term->flags and screen->save_modes.  This need only fit in an unsigned.
3326 */
3327
3328#define AttrBIT(n)	xBIT(n)		/* text-attributes */
3329#define MiscBIT(n)	xBIT(n + 16)	/* miscellaneous state flags */
3330
3331/* global flags and character flags (visible character attributes) */
3332#define INVERSE		AttrBIT(0)	/* invert the characters to be output */
3333#define UNDERLINE	AttrBIT(1)	/* true if underlining */
3334#define BOLD		AttrBIT(2)
3335#define BLINK		AttrBIT(3)
3336/* global flags (also character attributes) */
3337#define BG_COLOR	AttrBIT(4)	/* true if background set */
3338#define FG_COLOR	AttrBIT(5)	/* true if foreground set */
3339
3340/* character flags (internal attributes) */
3341#define PROTECTED	AttrBIT(6)	/* a character that cannot be erased */
3342#define CHARDRAWN	AttrBIT(7)	/* a character has been drawn here on
3343					   the screen.  Used to distinguish
3344					   blanks from empty parts of the
3345					   screen when selecting */
3346
3347#if OPT_WIDE_ATTRS
3348#define ATR_FAINT	AttrBIT(8)
3349#define ATR_ITALIC	AttrBIT(9)
3350#define ATR_STRIKEOUT	AttrBIT(10)
3351#define ATR_DBL_UNDER	AttrBIT(11)
3352#define ATR_DIRECT_FG	AttrBIT(12)
3353#define ATR_DIRECT_BG	AttrBIT(13)
3354#define SGR_MASK2       (ATR_FAINT | ATR_ITALIC | ATR_STRIKEOUT | ATR_DBL_UNDER | ATR_DIRECT_FG | ATR_DIRECT_BG)
3355#else
3356#define SGR_MASK2       0
3357#endif
3358
3359/*
3360 * Other flags
3361 */
3362#define WRAPAROUND	MiscBIT(0)	/* true if auto wraparound mode */
3363#define	REVERSEWRAP	MiscBIT(1)	/* true if reverse wraparound mode */
3364#define REVERSE_VIDEO	MiscBIT(2)	/* true if screen white on black */
3365#define LINEFEED	MiscBIT(3)	/* true if in auto linefeed mode */
3366#define ORIGIN		MiscBIT(4)	/* true if in origin mode */
3367#define INSERT		MiscBIT(5)	/* true if in insert mode */
3368#define SMOOTHSCROLL	MiscBIT(6)	/* true if in smooth scroll mode */
3369#define IN132COLUMNS	MiscBIT(7)	/* true if in 132 column mode */
3370#define INVISIBLE	MiscBIT(8)	/* true if writing invisible text */
3371#define NATIONAL        MiscBIT(9)	/* true if writing national charset */
3372#define LEFT_RIGHT      MiscBIT(10)	/* true if left/right margin mode */
3373#define NOCLEAR_COLM    MiscBIT(11)	/* true if no clear on DECCOLM change */
3374
3375#define DrawBIT(n)	xBIT(n + 8)	/* XTermDraw.draw_flags */
3376/* The following attributes are used in the argument of drawXtermText()  */
3377#define NOBACKGROUND	DrawBIT(0)	/* Used for overstrike */
3378#define NOTRANSLATION	DrawBIT(1)	/* No scan for chars missing in font */
3379#define DOUBLEWFONT	DrawBIT(2)	/* The actual X-font is double-width */
3380#define DOUBLEHFONT	DrawBIT(3)	/* The actual X-font is double-height */
3381#define CHARBYCHAR	DrawBIT(4)	/* Draw chars one-by-one */
3382
3383/* The following attribute is used in the argument of xtermSpecialFont etc */
3384#define NORESOLUTION	DrawBIT(5)	/* find the font without resolution */
3385
3386/*
3387 * Groups of attributes
3388 */
3389			/* mask for video-attributes only */
3390#define SGR_MASK	(BOLD | BLINK | UNDERLINE | INVERSE)
3391
3392			/* mask: user-visible attributes */
3393#define	ATTRIBUTES	(SGR_MASK | SGR_MASK2 | BG_COLOR | FG_COLOR | INVISIBLE | PROTECTED)
3394
3395/* The toplevel-call to drawXtermText() should have text-attributes guarded: */
3396#define DRAWX_MASK	(ATTRIBUTES | CHARDRAWN)
3397
3398/*
3399 * BOLDATTR is not only nonzero when we will use bold font, but uses the bits
3400 * for BOLD/BLINK to match against the video attributes which were originally
3401 * requested.
3402 */
3403#define USE_BOLD(screen) ((screen)->allowBoldFonts)
3404
3405#if OPT_BLINK_TEXT
3406#define BOLDATTR(screen) (unsigned) (USE_BOLD(screen) ? (BOLD | ((screen)->blink_as_bold ? BLINK : 0)) : 0)
3407#else
3408#define BOLDATTR(screen) (unsigned) (USE_BOLD(screen) ? (BOLD | BLINK) : 0)
3409#endif
3410
3411/*
3412 * Sixel-scrolling is backwards, perhaps from an error in the hardware design.
3413 */
3414#define SixelScrolling(xw) (!((xw)->keyboard.flags & MODE_DECSDM))
3415
3416/*
3417 * Per-line flags
3418 */
3419#define LINEWRAPPED	AttrBIT(0)
3420/* used once per line to indicate that it wraps onto the next line so we can
3421 * tell the difference between lines that have wrapped around and lines that
3422 * have ended naturally with a CR at column max_col.
3423 */
3424#define LINEBLINKED	AttrBIT(1)
3425/* set when the line contains blinking text.
3426 */
3427
3428#if OPT_ZICONBEEP || OPT_TOOLBAR || (USE_DOUBLE_BUFFER && OPT_RENDERFONT)
3429#define HANDLE_STRUCT_NOTIFY 1
3430#else
3431#define HANDLE_STRUCT_NOTIFY 0
3432#endif
3433
3434/*
3435 * If we've set protected attributes with the DEC-style DECSCA, then we'll have
3436 * to use DECSED or DECSEL to erase preserving protected text.  (The normal ED,
3437 * EL won't preserve protected-text).  If we've used SPA, then normal ED and EL
3438 * will preserve protected-text.  To keep things simple, just remember the last
3439 * control that was used to begin protected-text, and use that to determine how
3440 * erases are performed (otherwise we'd need 2 bits per protected character).
3441 */
3442#define OFF_PROTECT 0
3443#define DEC_PROTECT 1
3444#define ISO_PROTECT 2
3445
3446/***====================================================================***/
3447
3448/*
3449 * Reduce parameter-count of drawXtermText by putting less-modified data here.
3450 */
3451typedef struct {
3452	XtermWidget	xw;
3453	unsigned	attr_flags;
3454	unsigned	draw_flags;
3455	unsigned	this_chrset;
3456	unsigned	real_chrset;
3457	int		on_wide;
3458} XTermDraw;
3459
3460/***====================================================================***/
3461
3462#define TScreenOf(xw)	(&(xw)->screen)
3463#define TekScreenOf(tw) (&(tw)->screen)
3464
3465#define PrinterOf(screen) (screen)->printer_state
3466
3467#ifdef SCROLLBAR_RIGHT
3468#define OriginX(screen) (((term->misc.useRight)?0:ScrollbarWidth(screen)) + screen->border)
3469#else
3470#define OriginX(screen) (ScrollbarWidth(screen) + screen->border)
3471#endif
3472
3473#define OriginY(screen) (screen->border)
3474
3475#define CursorMoved(screen) \
3476		((screen)->cursor_moved || \
3477		    ((screen)->cursorp.col != (screen)->cur_col || \
3478		     (screen)->cursorp.row != (screen)->cur_row))
3479
3480#define CursorX2(screen,col,fw) ((col) * (int)(fw) + OriginX(screen))
3481#define CursorX(screen,col)     CursorX2(screen, col, FontWidth(screen))
3482#define CursorY2(screen,row)    (((row) * FontHeight(screen)) + screen->border)
3483#define CursorY(screen,row)     CursorY2(screen, INX2ROW(screen, row))
3484
3485/*
3486 * These definitions depend on whether xterm supports active-icon.
3487 */
3488#ifndef NO_ACTIVE_ICON
3489#define IsIconWin(screen,win)	((win) == &(screen)->iconVwin)
3490#define IsIcon(screen)		(WhichVWin(screen) == &(screen)->iconVwin)
3491#define WhichVWin(screen)	((screen)->whichVwin)
3492#define WhichTWin(screen)	((screen)->whichTwin)
3493
3494#define WhichVFont(screen,name)	(IsIcon(screen) ? getIconicFont(screen) \
3495						: getNormalFont(screen, (int)(name)))->fs
3496#define FontAscent(screen)	(IsIcon(screen) ? getIconicFont(screen)->fs->ascent \
3497						: WhichVWin(screen)->f_ascent)
3498#define FontDescent(screen)	(IsIcon(screen) ? getIconicFont(screen)->fs->descent \
3499						: WhichVWin(screen)->f_descent)
3500#else /* NO_ACTIVE_ICON */
3501
3502#define IsIconWin(screen,win)	(False)
3503#define IsIcon(screen)		(False)
3504#define WhichVWin(screen)	(&((screen)->fullVwin))
3505#define WhichTWin(screen)	(&((screen)->fullTwin))
3506
3507#define WhichVFont(screen,name)	getNormalFont(screen, (int)(name))->fs
3508#define FontAscent(screen)	WhichVWin(screen)->f_ascent
3509#define FontDescent(screen)	WhichVWin(screen)->f_descent
3510
3511#endif /* NO_ACTIVE_ICON */
3512
3513#define okFont(font) ((font) != 0 && (font)->fid != 0)
3514
3515/*
3516 * Macro to check if we are iconified; do not use render for that case.
3517 */
3518#define UsingRenderFont(xw)	(((xw)->work.render_font == True) && !IsIcon(TScreenOf(xw)))
3519
3520/*
3521 * These definitions do not depend on whether xterm supports active-icon.
3522 */
3523#define VWindow(screen)		WhichVWin(screen)->window
3524#define VShellWindow(xw)	XtWindow(SHELL_OF(xw))
3525#define TWindow(screen)		WhichTWin(screen)->window
3526#define TShellWindow		XtWindow(SHELL_OF(tekWidget))
3527
3528#if USE_DOUBLE_BUFFER
3529extern Window VDrawable(TScreen * /* screen */);
3530#else
3531#define VDrawable(screen)	VWindow(screen)
3532#endif
3533
3534#define Width(screen)		WhichVWin(screen)->width
3535#define Height(screen)		WhichVWin(screen)->height
3536#define FullWidth(screen)	WhichVWin(screen)->fullwidth
3537#define FullHeight(screen)	WhichVWin(screen)->fullheight
3538#define FontWidth(screen)	WhichVWin(screen)->f_width
3539#define FontHeight(screen)	WhichVWin(screen)->f_height
3540
3541#define NormalFont(screen)	WhichVFont(screen, fNorm)
3542#define BoldFont(screen)	WhichVFont(screen, fBold)
3543
3544#if OPT_WIDE_CHARS
3545#define NormalWFont(screen)	WhichVFont(screen, fWide)
3546#define BoldWFont(screen)	WhichVFont(screen, fWBold)
3547#endif
3548
3549#define ScrollbarWidth(screen)	WhichVWin(screen)->sb_info.width
3550
3551/* y -> y_shift, to center text versus the cursor */
3552#define ScaleShift(screen) \
3553	    (int) ((IsIcon(screen) || (screen->scale_height <= 1.0f)) \
3554	           ? 0.0f \
3555	           : ((float) WhichVWin(screen)->f_height \
3556		      * ((float) screen->scale_height - 1.0f) / 2.0f))
3557
3558#define BorderGC(w,sp)		WhichVWin(sp)->border_gc
3559#define FillerGC(w,sp)		WhichVWin(sp)->filler_gc
3560#define NormalGC(w,sp)		getCgsGC(w, WhichVWin(sp), gcNorm)
3561#define ReverseGC(w,sp)		getCgsGC(w, WhichVWin(sp), gcNormReverse)
3562#define NormalBoldGC(w,sp)	getCgsGC(w, WhichVWin(sp), gcBold)
3563#define ReverseBoldGC(w,sp)	getCgsGC(w, WhichVWin(sp), gcBoldReverse)
3564
3565#define TWidth(screen)		WhichTWin(screen)->width
3566#define THeight(screen)		WhichTWin(screen)->height
3567#define TFullWidth(screen)	WhichTWin(screen)->fullwidth
3568#define TFullHeight(screen)	WhichTWin(screen)->fullheight
3569#define TekScale(screen)	WhichTWin(screen)->tekscale
3570
3571/* use these before tek4014 is realized, good enough for default "9x15" font */
3572#define TDefaultRows		37
3573#define TDefaultCols		75
3574
3575#define BorderWidth(w)		((w)->core.border_width)
3576#define BorderPixel(w)		((w)->core.border_pixel)
3577
3578#define AllowXtermOps(w,name)	(TScreenOf(w)->name && !TScreenOf(w)->allowSendEvents)
3579
3580#define AllowColorOps(w,name)	(AllowXtermOps(w, allowColorOps) || \
3581				 !TScreenOf(w)->disallow_color_ops[name])
3582
3583#define AllowFontOps(w,name)	(AllowXtermOps(w, allowFontOps) || \
3584				 !TScreenOf(w)->disallow_font_ops[name])
3585
3586#define AllowMouseOps(w,name)	(AllowXtermOps(w, allowMouseOps) || \
3587				 !TScreenOf(w)->disallow_mouse_ops[name])
3588
3589#define AllowTcapOps(w,name)	(AllowXtermOps(w, allowTcapOps) || \
3590				 !TScreenOf(w)->disallow_tcap_ops[name])
3591
3592#define AllowTitleOps(w)	AllowXtermOps(w, allowTitleOps)
3593
3594#define AllowXResOps(w)		True
3595
3596#define SpecialWindowOps(w,name) (!TScreenOf(w)->disallow_win_ops[name])
3597#define AllowWindowOps(w,name)	(AllowXtermOps(w, allowWindowOps) || \
3598				 SpecialWindowOps(w,name))
3599
3600#if OPT_TOOLBAR
3601#define ToolbarHeight(w)	((resource.toolBar) \
3602				 ? ((w)->VT100_TB_INFO(menu_height) \
3603				  + (w)->VT100_TB_INFO(menu_border) * 2) \
3604				 : 0)
3605#else
3606#define ToolbarHeight(w) 0
3607#endif
3608
3609#if OPT_TEK4014
3610#define TEK_LINK_BLOCK_SIZE 1024
3611
3612typedef struct Tek_Link
3613{
3614	struct Tek_Link	*next;	/* pointer to next TekLink in list
3615				   NULL <=> this is last TekLink */
3616	unsigned short fontsize;/* character size, 0-3 */
3617	unsigned short count;	/* number of chars in data */
3618	char *ptr;		/* current pointer into data */
3619	char data [TEK_LINK_BLOCK_SIZE];
3620} TekLink;
3621#endif /* OPT_TEK4014 */
3622
3623/* flags for cursors */
3624#define	OFF		0
3625#define	ON		1
3626#define	BLINKED_OFF	2
3627#define	CLEAR		0
3628#define	TOGGLE		1
3629
3630/* flags for inhibit */
3631#ifdef ALLOWLOGGING
3632#define	I_LOG		0x01
3633#endif
3634#define	I_SIGNAL	0x02
3635#define	I_TEK		0x04
3636
3637/* *INDENT-ON* */
3638
3639#endif /* included_ptyx_h */
3640