xterm.h revision 50027b5b
1/* $XTermId: xterm.h,v 1.910 2022/03/09 00:39:01 tom Exp $ */
2
3/*
4 * Copyright 1999-2021,2022 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/*
34 * Common/useful definitions for XTERM application.
35 *
36 * This is also where we put the fallback definitions if we do not build using
37 * the configure script.
38 */
39#ifndef included_xterm_h
40#define included_xterm_h
41/* *INDENT-OFF* */
42
43#ifdef HAVE_CONFIG_H
44#include <xtermcfg.h>
45#endif
46
47#undef bcopy
48#include <X11/Xos.h>
49
50#ifndef HAVE_CONFIG_H
51
52#define HAVE_LIB_XAW 1
53
54#ifdef CSRG_BASED
55/* Get definition of BSD */
56#include <sys/param.h>
57#endif
58
59#ifndef DFT_TERMTYPE
60#define DFT_TERMTYPE "xterm"
61#endif
62
63#ifndef X_NOT_POSIX
64#define HAVE_WAITPID 1
65#define HAVE_SYS_WAIT_H 1
66#define HAVE_UNISTD_H 1
67#endif
68
69#define HAVE_STDLIB_H 1
70
71#if defined(sun)
72/* errno is declared in <errno.h> */
73#else
74#define DECL_ERRNO 1
75#endif
76
77#undef DECL_PTSNAME		/* ptsname() is normally in stdlib.h */
78
79#ifndef NOPUTENV
80#define HAVE_PUTENV 1
81#endif
82
83#if defined(CSRG_BASED) || defined(__GNU__) || defined(__minix)
84#define USE_POSIX_TERMIOS 1
85#endif
86
87#ifdef __FreeBSD__
88#if __FreeBSD_version >= 900000
89#define USE_SYSV_UTMP 1
90#define UTMPX_FOR_UTMP 1
91#define HAVE_UTMP_UT_HOST 1
92#define HAVE_UTMP_UT_XTIME 1
93#define ut_name ut_user
94#define ut_xtime ut_tv.tv_sec
95#endif
96#endif
97
98#ifdef __NetBSD__
99#if __NetBSD_Version__ >= 106030000	/* 1.6C */
100#define BSD_UTMPX 1
101#define ut_xtime ut_tv.tv_sec
102#endif
103#endif
104
105#if defined(hpux) && !defined(__hpux)
106#define __hpux 1		/* HPUX 11.0 does not define this */
107#endif
108
109#if !defined(__SCO__) && (defined(SCO) || defined(sco) || defined(SCO325))
110#define __SCO__ 1
111#endif
112
113#ifdef USE_POSIX_TERMIOS
114#define HAVE_TERMIOS_H 1
115#define HAVE_TCGETATTR 1
116#endif
117
118#if defined(__SCO__) || defined(__UNIXWARE__) || defined(__minix)
119#define USE_TERMCAP 1
120#endif
121
122#if defined(UTMP)
123#define HAVE_UTMP 1
124#endif
125
126#if (defined(__MVS__) || defined(SVR4) || defined(__SCO__) || defined(BSD_UTMPX)) && !defined(__CYGWIN__)
127#define UTMPX_FOR_UTMP 1
128#endif
129
130#if !defined(ISC) && !defined(__QNX__)
131#define HAVE_UTMP_UT_HOST 1
132#endif
133
134#if defined(UTMPX_FOR_UTMP) && !(defined(__MVS__) || defined(__hpux) || defined(__FreeBSD__))
135#define HAVE_UTMP_UT_SESSION 1
136#endif
137
138#if !(defined(linux) && (!defined(__GLIBC__) || (__GLIBC__ < 2))) && !defined(SVR4) && !defined(__FreeBSD__)
139#define ut_xstatus ut_exit.e_exit
140#endif
141
142#if defined(SVR4) || defined(__SCO__) || defined(BSD_UTMPX) || (defined(linux) && defined(__GLIBC__) && (__GLIBC__ >= 2) && !(defined(__powerpc__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)))
143#define HAVE_UTMP_UT_XTIME 1
144#endif
145
146#if defined(linux) || defined(__CYGWIN__)
147#define USE_LASTLOG
148#define HAVE_LASTLOG_H
149#define USE_STRUCT_LASTLOG
150#elif defined(BSD) && (BSD >= 199103)
151#ifdef BSD_UTMPX
152#define USE_LASTLOGX
153#elif defined(USE_SYSV_UTMP)
154#else
155#define USE_LASTLOG
156#define USE_STRUCT_LASTLOG
157#endif
158#endif
159
160#if defined(__OpenBSD__)
161#define DEFDELETE_DEL True
162#define DEF_BACKARO_ERASE True
163#define DEF_INITIAL_ERASE True
164#endif
165
166#if defined(__SCO__) || defined(__UNIXWARE__)
167#define DEFDELETE_DEL True
168#define OPT_SCO_FUNC_KEYS 1
169#endif
170
171#if defined(__SCO__) || defined(SVR4) || defined(_POSIX_SOURCE) || defined(__QNX__) || defined(__hpux) || (defined(BSD) && (BSD >= 199103)) || defined(__CYGWIN__)
172#define USE_POSIX_WAIT
173#endif
174
175#if defined(AIXV3) || defined(CRAY) || defined(__SCO__) || defined(SVR4) || (defined(SYSV) && defined(i386)) || defined(__MVS__) || defined(__hpux) || defined(__osf__) || defined(linux) || defined(macII) || defined(BSD_UTMPX)
176#define USE_SYSV_UTMP
177#endif
178
179#if defined(__GNU__) || defined(__MVS__) || defined(__osf__)
180#define USE_TTY_GROUP
181#endif
182
183#if defined(__CYGWIN__)
184#define HAVE_NCURSES_TERM_H 1
185#endif
186
187#ifdef __osf__
188#define TTY_GROUP_NAME "terminal"
189#endif
190
191#if defined(__MVS__)
192#undef ut_xstatus
193#define ut_name ut_user
194#define ut_xstatus ut_exit.ut_e_exit
195#define ut_xtime ut_tv.tv_sec
196#endif
197
198#if defined(ut_xstatus)
199#define HAVE_UTMP_UT_XSTATUS 1
200#endif
201
202#if defined(XKB)
203#define HAVE_XKB_BELL_EXT 1
204#endif
205
206#if (defined(SVR4) && !defined(__CYGWIN__)) || defined(linux) || (defined(BSD) && (BSD >= 199103))
207#define HAVE_POSIX_SAVED_IDS
208#endif
209
210#if defined(linux) || defined(__GLIBC__) || (defined(SYSV) && (defined(CRAY) || defined(macII) || defined(__hpux) || defined(__osf__) || defined(__sgi))) || !(defined(SYSV) || defined(__QNX__) || defined(VMS) || defined(__INTERIX))
211#define HAVE_INITGROUPS
212#endif
213
214#endif /* HAVE_CONFIG_H */
215
216#ifndef HAVE_X11_DECKEYSYM_H
217#define HAVE_X11_DECKEYSYM_H 1
218#endif
219
220#ifndef HAVE_X11_SUNKEYSYM_H
221#define HAVE_X11_SUNKEYSYM_H 1
222#endif
223
224#ifndef HAVE_X11_XF86KEYSYM_H
225#define HAVE_X11_XF86KEYSYM_H 0
226#endif
227
228#if defined(HAVE_X11_EXTENSIONS_XDBE_H) && defined(HAVE_XDBESWAPBUFFERS)
229#define USE_DOUBLE_BUFFER 1
230#else
231#define USE_DOUBLE_BUFFER 0
232#endif
233
234/***====================================================================***/
235
236/* if compiling with gcc -ansi -pedantic, we must fix POSIX definitions */
237#if defined(SVR4) && defined(sun)
238#ifndef __EXTENSIONS__
239#define __EXTENSIONS__ 1
240#endif
241#ifndef _POSIX_C_SOURCE
242#define _POSIX_C_SOURCE 1
243#endif
244#endif
245
246/***====================================================================***/
247
248#ifdef HAVE_STDLIB_H
249#include <stdlib.h>
250#else
251extern char *calloc();
252extern char *getenv();
253extern char *malloc();
254extern char *realloc();
255extern void exit();
256extern void free();
257#endif
258
259#ifdef HAVE_UNISTD_H
260#include <unistd.h>
261#endif
262
263#ifdef HAVE_SYS_WAIT_H
264#include <sys/wait.h>
265#endif
266
267#include <errno.h>
268#if defined(DECL_ERRNO) && !defined(errno)
269extern int errno;
270#endif
271
272#include <X11/Xlocale.h>
273
274#ifdef HAVE_STDNORETURN_H
275#include <stdnoreturn.h>
276#undef GCC_NORETURN
277#define GCC_NORETURN STDC_NORETURN
278#endif
279
280/*
281 * FIXME:  Toggling logging from xterm hangs under Linux 2.0.29 with libc5 if
282 * we use 'waitpid()', while 'wait()' seems to work properly.
283 */
284#ifdef linux
285#undef HAVE_WAITPID
286#endif
287
288#ifndef OPT_WIDE_CHARS
289#define OPT_WIDE_CHARS 0
290#endif
291
292#if OPT_WIDE_CHARS
293#define HIDDEN_CHAR 0xffff
294#endif
295
296/***====================================================================***/
297
298#define PROTO_XT_ACTIONS_ARGS \
299	(Widget w, XEvent *event, String *params, Cardinal *num_params)
300
301#define PROTO_XT_CALLBACK_ARGS \
302	(Widget gw, XtPointer closure, XtPointer data)
303
304#define PROTO_XT_CVT_SELECT_ARGS \
305	(Widget w, Atom *selection, Atom *target, Atom *type, XtPointer *value, unsigned long *length, int *format)
306
307#define PROTO_XT_EV_HANDLER_ARGS \
308	(Widget w, XtPointer closure, XEvent *event, Boolean *cont)
309
310#define PROTO_XT_SEL_CB_ARGS \
311	(Widget w, XtPointer client_data, Atom *selection, Atom *type, XtPointer value, unsigned long *length, int *format)
312
313#include <ptyx.h>
314
315/***====================================================================***/
316
317#ifndef GCC_PRINTFLIKE
318#ifdef _X_ATTRIBUTE_PRINTF
319#define GCC_PRINTFLIKE(f,n)	_X_ATTRIBUTE_PRINTF(f,n)
320#else
321#define GCC_PRINTFLIKE(f,n)	/* nothing */
322#endif
323#endif
324
325#ifndef GCC_UNUSED
326#ifdef _X_UNUSED
327#define GCC_UNUSED		_X_UNUSED
328#else
329#define GCC_UNUSED		/* nothing */
330#endif
331#endif
332
333#ifndef GCC_NORETURN
334#ifdef _X_NORETURN
335#define GCC_NORETURN		_X_NORETURN
336#else
337#define GCC_NORETURN		/* nothing */
338#endif
339#endif
340
341/***====================================================================***/
342
343#if defined(__GNUC__) && defined(_FORTIFY_SOURCE)
344#define USE_IGNORE_RC
345#define IGNORE_RC(func) ignore_unused = (int) func
346#else
347#define IGNORE_RC(func) (void) func
348#endif /* gcc workarounds */
349#if (XtSpecificationRelease >= 6) && !defined(NO_XPOLL_H) && !defined(sun)
350#include <X11/Xpoll.h>
351#define USE_XPOLL_H 1
352#else
353#define Select(n,r,w,e,t) select(n,(fd_set*)r,(fd_set*)w,(fd_set*)e,(struct timeval *)t)
354#define XFD_COPYSET(src,dst) memcpy((dst)->fds_bits, (src)->fds_bits, sizeof(fd_set))
355#if defined(__MVS__) && !defined(TIME_WITH_SYS_TIME)
356#define TIME_WITH_SYS_TIME
357#endif
358#endif
359
360#ifdef TIME_WITH_SYS_TIME
361# include <sys/time.h>
362# include <time.h>
363#else
364# ifdef HAVE_SYS_TIME_H
365#  include <sys/time.h>
366# else
367#  include <time.h>
368# endif
369#endif
370
371/* these may be needed for sig_atomic_t */
372#include <sys/types.h>
373#include <signal.h>
374
375#ifdef USE_SYS_SELECT_H
376
377#if defined(USE_XPOLL_H) && defined(AIXV3) && defined(NFDBITS)
378#undef NFDBITS			/* conflict between X11/Xpoll.h and sys/select.h */
379#endif
380
381#include <sys/select.h>
382
383#endif /* USE_SYS_SELECT_H */
384
385#include <setjmp.h>
386
387#if !defined(VMS) && !(defined(linux) && defined(__USE_GNU)) && !defined(__hpux) && !defined(_ALL_SOURCE) && !defined(__osf__)
388extern char **environ;
389#endif
390
391#ifndef _Xconst
392#define _Xconst const		/* Solaris 7 workaround */
393#endif /* _Xconst */
394
395#define XK_Fn(n)	(XK_F1 + (n) - 1)
396
397#define Maybe		2
398
399#define ALLOC_STRING(name) \
400	if (name != 0) \
401	    name = x_strdup(name)
402#define FREE_STRING(name) \
403	    free_string(name)
404
405/* strftime format and length of the result */
406#define FMT_TIMESTAMP ".%Y.%m.%d.%H.%M.%S"
407#define LEN_TIMESTAMP sizeof(".YYYY.MM.DD.hh.mm.ss")
408
409/***====================================================================***/
410
411#if OPT_TRACE
412#undef NDEBUG			/* turn on assert's */
413#else
414#ifndef NDEBUG
415#define NDEBUG			/* not debugging, don't do assert's */
416#endif
417#endif
418
419#include <trace.h>
420
421#if OPT_TRACE && !defined(DEBUG)
422#define DEBUG 1
423#endif
424
425#ifdef DEBUG
426#define if_DEBUG(code) if(debug) code
427#else
428#define if_DEBUG(code) /*nothing*/
429#endif
430
431#define DEBUG_MSG(text) if_DEBUG({ IGNORE_RC(write(2, text, sizeof(text) - 1)); })
432
433/***====================================================================***/
434
435#define XtNallowBoldFonts	"allowBoldFonts"
436#define XtNallowC1Printable	"allowC1Printable"
437#define XtNallowColorOps	"allowColorOps"
438#define XtNallowFontOps		"allowFontOps"
439#define XtNallowMouseOps	"allowMouseOps"
440#define XtNallowPasteControls	"allowPasteControls"
441#define XtNallowScrollLock	"allowScrollLock"
442#define XtNallowSendEvents	"allowSendEvents"
443#define XtNallowTcapOps		"allowTcapOps"
444#define XtNallowTitleOps	"allowTitleOps"
445#define XtNallowWindowOps	"allowWindowOps"
446#define XtNaltIsNotMeta		"altIsNotMeta"
447#define XtNaltSendsEscape	"altSendsEscape"
448#define XtNalternateScroll	"alternateScroll"
449#define XtNalwaysBoldMode	"alwaysBoldMode"
450#define XtNalwaysHighlight	"alwaysHighlight"
451#define XtNalwaysUseMods	"alwaysUseMods"
452#define XtNanswerbackString	"answerbackString"
453#define XtNappcursorDefault	"appcursorDefault"
454#define XtNappkeypadDefault	"appkeypadDefault"
455#define XtNassumeAllChars	"assumeAllChars"
456#define XtNautoWrap		"autoWrap"
457#define XtNautoScrollLock	"autoScrollLock"
458#define XtNawaitInput		"awaitInput"
459#define XtNbackarrowKey		"backarrowKey"
460#define XtNbellIsUrgent		"bellIsUrgent"
461#define XtNbellOnReset		"bellOnReset"
462#define XtNbellSuppressTime	"bellSuppressTime"
463#define XtNboldColors		"boldColors"
464#define XtNboldFont		"boldFont"
465#define XtNboldMode		"boldMode"
466#define XtNbrokenLinuxOSC	"brokenLinuxOSC"
467#define XtNbrokenSelections	"brokenSelections"
468#define XtNbrokenStringTerm	"brokenStringTerm"
469#define XtNbuffered		"buffered"
470#define XtNbufferedFPS		"bufferedFPS"
471#define XtNc132			"c132"
472#define XtNcacheDoublesize	"cacheDoublesize"
473#define XtNcdXtraScroll		"cdXtraScroll"
474#define XtNcharClass		"charClass"
475#define XtNchecksumExtension	"checksumExtension"
476#define XtNcjkWidth		"cjkWidth"
477#define XtNcolorAttrMode	"colorAttrMode"
478#define XtNcolorBDMode		"colorBDMode"
479#define XtNcolorBLMode		"colorBLMode"
480#define XtNcolorITMode		"colorITMode"
481#define XtNcolorInnerBorder	"colorInnerBorder"
482#define XtNcolorMode		"colorMode"
483#define XtNcolorRVMode		"colorRVMode"
484#define XtNcolorULMode		"colorULMode"
485#define XtNcombiningChars	"combiningChars"
486#define XtNctrlFKeys		"ctrlFKeys"
487#define XtNcurses		"curses"
488#define XtNcursorBlink		"cursorBlink"
489#define XtNcursorBlinkXOR	"cursorBlinkXOR"
490#define XtNcursorColor		"cursorColor"
491#define XtNcursorOffTime	"cursorOffTime"
492#define XtNcursorOnTime		"cursorOnTime"
493#define XtNcursorUnderLine	"cursorUnderLine"
494#define XtNcutNewline		"cutNewline"
495#define XtNcutToBeginningOfLine	"cutToBeginningOfLine"
496#define XtNdecGraphicsID	"decGraphicsID"
497#define XtNdecTerminalID	"decTerminalID"
498#define XtNdefaultString	"defaultString"
499#define XtNdeleteIsDEL		"deleteIsDEL"
500#define XtNdirectColor		"directColor"
501#define XtNdisallowedColorOps	"disallowedColorOps"
502#define XtNdisallowedFontOps	"disallowedFontOps"
503#define XtNdisallowedMouseOps	"disallowedMouseOps"
504#define XtNdisallowedPasteControls "disallowedPasteControls"
505#define XtNdisallowedTcapOps	"disallowedTcapOps"
506#define XtNdisallowedWindowOps	"disallowedWindowOps"
507#define XtNdynamicColors	"dynamicColors"
508#define XtNeightBitControl	"eightBitControl"
509#define XtNeightBitInput	"eightBitInput"
510#define XtNeightBitMeta		"eightBitMeta"
511#define XtNeightBitOutput	"eightBitOutput"
512#define XtNeightBitSelectTypes	"eightBitSelectTypes"
513#define XtNeraseSavedLines	"eraseSavedLines"
514#define XtNfaceName		"faceName"
515#define XtNfaceNameDoublesize	"faceNameDoublesize"
516#define XtNfaceSize		"faceSize"
517#define XtNfastScroll		"fastScroll"
518#define XtNfont1		"font1"
519#define XtNfont2		"font2"
520#define XtNfont3		"font3"
521#define XtNfont4		"font4"
522#define XtNfont5		"font5"
523#define XtNfont6		"font6"
524#define XtNfont7		"font7"
525#define XtNfontDoublesize	"fontDoublesize"
526#define XtNfontWarnings		"fontWarnings"
527#define XtNforceBoxChars	"forceBoxChars"
528#define XtNforcePackedFont	"forcePackedFont"
529#define XtNforceXftHeight	"forceXftHeight"
530#define XtNformatOtherKeys	"formatOtherKeys"
531#define XtNfreeBoldBox		"freeBoldBox"
532#define XtNfullscreen		"fullscreen"
533#define XtNhighlightColor	"highlightColor"
534#define XtNhighlightColorMode	"highlightColorMode"
535#define XtNhighlightReverse	"highlightReverse"
536#define XtNhighlightSelection	"highlightSelection"
537#define XtNhighlightTextColor	"highlightTextColor"
538#define XtNhpLowerleftBugCompat	"hpLowerleftBugCompat"
539#define XtNi18nSelections	"i18nSelections"
540#define XtNiconHint		"iconHint"
541#define XtNindicatorFormat	"indicatorFormat"
542#define XtNinitialFont		"initialFont"
543#define XtNinternalBorder	"internalBorder"
544#define XtNitalicULMode		"italicULMode"
545#define XtNjumpScroll		"jumpScroll"
546#define XtNkeepClipboard	"keepClipboard"
547#define XtNkeepSelection	"keepSelection"
548#define XtNkeyboardDialect	"keyboardDialect"
549#define XtNlimitFontsets	"limitFontsets"
550#define XtNlimitResize		"limitResize"
551#define XtNlimitResponse	"limitResponse"
552#define XtNlocale		"locale"
553#define XtNlocaleFilter		"localeFilter"
554#define XtNlogFile		"logFile"
555#define XtNlogInhibit		"logInhibit"
556#define XtNlogging		"logging"
557#define XtNloginShell		"loginShell"
558#define XtNmarginBell		"marginBell"
559#define XtNmaxGraphicSize	"maxGraphicSize"
560#define XtNmaximized		"maximized"
561#define XtNmenuBar		"menuBar"	/* internal */
562#define XtNmenuHeight		"menuHeight"
563#define XtNmetaSendsEscape	"metaSendsEscape"
564#define XtNmkSamplePass		"mkSamplePass"
565#define XtNmkSampleSize		"mkSampleSize"
566#define XtNmkWidth		"mkWidth"
567#define XtNmodifyCursorKeys	"modifyCursorKeys"
568#define XtNmodifyFunctionKeys	"modifyFunctionKeys"
569#define XtNmodifyKeyboard	"modifyKeyboard"
570#define XtNmodifyKeypadKeys	"modifyKeypadKeys"
571#define XtNmodifyOtherKeys	"modifyOtherKeys"
572#define XtNmodifyStringKeys	"modifyStringKeys"
573#define XtNmultiClickTime	"multiClickTime"
574#define XtNmultiScroll		"multiScroll"
575#define XtNnMarginBell		"nMarginBell"
576#define XtNnextEventDelay	"nextEventDelay"
577#define XtNnumColorRegisters	"numColorRegisters"
578#define XtNnumLock		"numLock"
579#define XtNoldXtermFKeys	"oldXtermFKeys"
580#define XtNpointerColor		"pointerColor"
581#define XtNpointerColorBackground "pointerColorBackground"
582#define XtNpointerFont		"pointerFont"
583#define XtNpointerMode		"pointerMode"
584#define XtNpointerShape		"pointerShape"
585#define XtNpopOnBell		"popOnBell"
586#define XtNprecompose		"precompose"
587#define XtNprintAttributes	"printAttributes"
588#define XtNprinterAutoClose	"printerAutoClose"
589#define XtNprinterCommand	"printerCommand"
590#define XtNprinterControlMode	"printerControlMode"
591#define XtNprinterExtent	"printerExtent"
592#define XtNprinterFormFeed	"printerFormFeed"
593#define XtNprinterNewLine	"printerNewLine"
594#define XtNprivateColorRegisters "privateColorRegisters"
595#define XtNquietGrab		"quietGrab"
596#define XtNregisDefaultFont	"regisDefaultFont"
597#define XtNregisScreenSize	"regisScreenSize"
598#define XtNrenderFont		"renderFont"
599#define XtNresizeByPixel	"resizeByPixel"
600#define XtNresizeGravity	"resizeGravity"
601#define XtNretryInputMethod	"retryInputMethod"
602#define XtNreverseWrap		"reverseWrap"
603#define XtNrightScrollBar	"rightScrollBar"
604#define XtNsaveLines		"saveLines"
605#define XtNscaleHeight		"scaleHeight"
606#define XtNscrollBar		"scrollBar"
607#define XtNscrollBarBorder	"scrollBarBorder"
608#define XtNscrollKey		"scrollKey"
609#define XtNscrollLines		"scrollLines"
610#define XtNscrollTtyOutput	"scrollTtyOutput"
611#define XtNselectToClipboard	"selectToClipboard"
612#define XtNshiftEscape		"shiftEscape"
613#define XtNshiftFonts		"shiftFonts"
614#define XtNshowBlinkAsBold	"showBlinkAsBold"
615#define XtNshowMissingGlyphs	"showMissingGlyphs"
616#define XtNshowWrapMarks	"showWrapMarks"
617#define XtNsignalInhibit	"signalInhibit"
618#define XtNsixelScrolling	"sixelScrolling"
619#define XtNsixelScrollsRight	"sixelScrollsRight"
620#define XtNtekGeometry		"tekGeometry"
621#define XtNtekInhibit		"tekInhibit"
622#define XtNtekSmall		"tekSmall"
623#define XtNtekStartup		"tekStartup"
624#define XtNtiXtraScroll		"tiXtraScroll"
625#define XtNtiteInhibit		"titeInhibit"
626#define XtNtitleModes		"titleModes"
627#define XtNtoolBar		"toolBar"
628#define XtNtrimSelection	"trimSelection"
629#define XtNunderLine		"underLine"
630#define XtNuseBorderClipping	"useBorderClipping"
631#define XtNuseClipping		"useClipping"
632#define XtNutf8			"utf8"
633#define XtNutf8Fonts		"utf8Fonts"
634#define XtNutf8Latin1		"utf8Latin1"
635#define XtNutf8SelectTypes	"utf8SelectTypes"
636#define XtNutf8Title		"utf8Title"
637#define XtNutf8Weblike		"utf8Weblike"
638#define XtNveryBoldColors	"veryBoldColors"
639#define XtNvisualBell		"visualBell"
640#define XtNvisualBellDelay	"visualBellDelay"
641#define XtNvisualBellLine	"visualBellLine"
642#define XtNvt100Graphics	"vt100Graphics"
643#define XtNwideBoldFont		"wideBoldFont"
644#define XtNwideChars		"wideChars"
645#define XtNwideFont		"wideFont"
646#define XtNximFont		"ximFont"
647#define XtNxmcAttributes	"xmcAttributes"	/* ncurses-testing */
648#define XtNxmcGlitch		"xmcGlitch"	/* ncurses-testing */
649#define XtNxmcInline		"xmcInline"	/* ncurses-testing */
650#define XtNxmcMoveSGR		"xmcMoveSGR"	/* ncurses-testing */
651
652#define XtCAllowBoldFonts	"AllowBoldFonts"
653#define XtCAllowC1Printable	"AllowC1Printable"
654#define XtCAllowColorOps	"AllowColorOps"
655#define XtCAllowFontOps		"AllowFontOps"
656#define XtCAllowMouseOps	"AllowMouseOps"
657#define XtCAllowPasteControls	"AllowPasteControls"
658#define XtCAllowScrollLock	"AllowScrollLock"
659#define XtCAllowSendEvents	"AllowSendEvents"
660#define XtCAllowTcapOps		"AllowTcapOps"
661#define XtCAllowTitleOps	"AllowTitleOps"
662#define XtCAllowWindowOps	"AllowWindowOps"
663#define XtCAltIsNotMeta		"AltIsNotMeta"
664#define XtCAltSendsEscape	"AltSendsEscape"
665#define XtCAlwaysBoldMode	"AlwaysBoldMode"
666#define XtCAlwaysHighlight	"AlwaysHighlight"
667#define XtCAlwaysUseMods	"AlwaysUseMods"
668#define XtCAnswerbackString	"AnswerbackString"
669#define XtCAppcursorDefault	"AppcursorDefault"
670#define XtCAppkeypadDefault	"AppkeypadDefault"
671#define XtCAssumeAllChars	"AssumeAllChars"
672#define XtCAutoWrap		"AutoWrap"
673#define XtCAutoScrollLock	"AutoScrollLock"
674#define XtCAwaitInput		"AwaitInput"
675#define XtCBackarrowKey		"BackarrowKey"
676#define XtCBellIsUrgent		"BellIsUrgent"
677#define XtCBellOnReset		"BellOnReset"
678#define XtCBellSuppressTime	"BellSuppressTime"
679#define XtCBoldFont		"BoldFont"
680#define XtCBoldMode		"BoldMode"
681#define XtCBrokenLinuxOSC	"BrokenLinuxOSC"
682#define XtCBrokenSelections	"BrokenSelections"
683#define XtCBrokenStringTerm	"BrokenStringTerm"
684#define XtCBuffered		"Buffered"
685#define XtCBufferedFPS		"BufferedFPS"
686#define XtCC132			"C132"
687#define XtCCacheDoublesize	"CacheDoublesize"
688#define XtCCdXtraScroll		"CdXtraScroll"
689#define XtCCharClass		"CharClass"
690#define XtCChecksumExtension	"ChecksumExtension"
691#define XtCCjkWidth		"CjkWidth"
692#define XtCColorAttrMode	"ColorAttrMode"
693#define XtCColorInnerBorder	"ColorInnerBorder"
694#define XtCColorMode		"ColorMode"
695#define XtCColumn		"Column"
696#define XtCCombiningChars	"CombiningChars"
697#define XtCCtrlFKeys		"CtrlFKeys"
698#define XtCCurses		"Curses"
699#define XtCCursorBlink		"CursorBlink"
700#define XtCCursorBlinkXOR	"CursorBlinkXOR"
701#define XtCCursorOffTime	"CursorOffTime"
702#define XtCCursorOnTime		"CursorOnTime"
703#define XtCCursorUnderLine	"CursorUnderLine"
704#define XtCCutNewline		"CutNewline"
705#define XtCCutToBeginningOfLine	"CutToBeginningOfLine"
706#define XtCDecGraphicsID	"DecGraphicsID"
707#define XtCDecTerminalID	"DecTerminalID"
708#define XtCDefaultString	"DefaultString"
709#define XtCDeleteIsDEL		"DeleteIsDEL"
710#define XtCDirectColor		"DirectColor"
711#define XtCDisallowedColorOps	"DisallowedColorOps"
712#define XtCDisallowedFontOps	"DisallowedFontOps"
713#define XtCDisallowedMouseOps	"DisallowedMouseOps"
714#define XtCDisallowedPasteControls "DisallowedPasteControls"
715#define XtCDisallowedTcapOps	"DisallowedTcapOps"
716#define XtCDisallowedWindowOps	"DisallowedWindowOps"
717#define XtCDynamicColors	"DynamicColors"
718#define XtCEightBitControl	"EightBitControl"
719#define XtCEightBitInput	"EightBitInput"
720#define XtCEightBitMeta		"EightBitMeta"
721#define XtCEightBitOutput	"EightBitOutput"
722#define XtCEightBitSelectTypes	"EightBitSelectTypes"
723#define XtCEraseSavedLines	"EraseSavedLines"
724#define XtCFaceName		"FaceName"
725#define XtCFaceNameDoublesize	"FaceNameDoublesize"
726#define XtCFaceSize		"FaceSize"
727#define XtCFastScroll		"FastScroll"
728#define XtCFont1		"Font1"
729#define XtCFont2		"Font2"
730#define XtCFont3		"Font3"
731#define XtCFont4		"Font4"
732#define XtCFont5		"Font5"
733#define XtCFont6		"Font6"
734#define XtCFont7		"Font7"
735#define XtCFontDoublesize	"FontDoublesize"
736#define XtCFontWarnings		"FontWarnings"
737#define XtCForceBoxChars	"ForceBoxChars"
738#define XtCForcePackedFont	"ForcePackedFont"
739#define XtCForceXftHeight	"ForceXftHeight"
740#define XtCFormatOtherKeys	"FormatOtherKeys"
741#define XtCFreeBoldBox		"FreeBoldBox"
742#define XtCFullscreen		"Fullscreen"
743#define XtCHighlightColorMode	"HighlightColorMode"
744#define XtCHighlightReverse	"HighlightReverse"
745#define XtCHighlightSelection	"HighlightSelection"
746#define XtCHpLowerleftBugCompat	"HpLowerleftBugCompat"
747#define XtCI18nSelections	"I18nSelections"
748#define XtCIconHint		"IconHint"
749#define XtCIndicatorFormat	"IndicatorFormat"
750#define XtCInitialFont		"InitialFont"
751#define XtCJumpScroll		"JumpScroll"
752#define XtCKeepClipboard	"KeepClipboard"
753#define XtCKeepSelection	"KeepSelection"
754#define XtCKeyboardDialect	"KeyboardDialect"
755#define XtCLimitFontsets	"LimitFontsets"
756#define XtCLimitResize		"LimitResize"
757#define XtCLimitResponse	"LimitResponse"
758#define XtCLocale		"Locale"
759#define XtCLocaleFilter		"LocaleFilter"
760#define XtCLogInhibit		"LogInhibit"
761#define XtCLogfile		"Logfile"
762#define XtCLogging		"Logging"
763#define XtCLoginShell		"LoginShell"
764#define XtCMarginBell		"MarginBell"
765#define XtCMaxGraphicSize	"MaxGraphicSize"
766#define XtCMaximized		"Maximized"
767#define XtCMenuBar		"MenuBar"	/* internal */
768#define XtCMenuHeight		"MenuHeight"
769#define XtCMetaSendsEscape	"MetaSendsEscape"
770#define XtCMkSamplePass		"MkSamplePass"
771#define XtCMkSampleSize		"MkSampleSize"
772#define XtCMkWidth		"MkWidth"
773#define XtCModifyCursorKeys	"ModifyCursorKeys"
774#define XtCModifyFunctionKeys	"ModifyFunctionKeys"
775#define XtCModifyKeyboard	"ModifyKeyboard"
776#define XtCModifyKeypadKeys	"ModifyKeypadKeys"
777#define XtCModifyOtherKeys	"ModifyOtherKeys"
778#define XtCModifyStringKeys	"ModifyStringKeys"
779#define XtCMultiClickTime	"MultiClickTime"
780#define XtCMultiScroll		"MultiScroll"
781#define XtCNextEventDelay	"NextEventDelay"
782#define XtCNumColorRegisters	"NumColorRegisters"
783#define XtCNumLock		"NumLock"
784#define XtCOldXtermFKeys	"OldXtermFKeys"
785#define XtCPointerFont		"PointerFont"
786#define XtCPointerMode		"PointerMode"
787#define XtCPopOnBell		"PopOnBell"
788#define XtCPrecompose		"Precompose"
789#define XtCPrintAttributes	"PrintAttributes"
790#define XtCPrinterAutoClose	"PrinterAutoClose"
791#define XtCPrinterCommand	"PrinterCommand"
792#define XtCPrinterControlMode	"PrinterControlMode"
793#define XtCPrinterExtent	"PrinterExtent"
794#define XtCPrinterFormFeed	"PrinterFormFeed"
795#define XtCPrinterNewLine	"PrinterNewLine"
796#define XtCPrivateColorRegisters "PrivateColorRegisters"
797#define XtCQuietGrab		"QuietGrab"
798#define XtCRegisDefaultFont	"RegisDefaultFont"
799#define XtCRegisScreenSize	"RegisScreenSize"
800#define XtCRenderFont		"RenderFont"
801#define XtCResizeByPixel	"ResizeByPixel"
802#define XtCResizeGravity	"ResizeGravity"
803#define XtCRetryInputMethod	"RetryInputMethod"
804#define XtCReverseWrap		"ReverseWrap"
805#define XtCRightScrollBar	"RightScrollBar"
806#define XtCSaveLines		"SaveLines"
807#define XtCScaleHeight		"ScaleHeight"
808#define XtCScrollBar		"ScrollBar"
809#define XtCScrollBarBorder	"ScrollBarBorder"
810#define XtCScrollCond		"ScrollCond"
811#define XtCScrollLines		"ScrollLines"
812#define XtCSelectToClipboard	"SelectToClipboard"
813#define XtCShiftEscape		"ShiftEscape"
814#define XtCShiftFonts		"ShiftFonts"
815#define XtCShowBlinkAsBold	"ShowBlinkAsBold"
816#define XtCShowMissingGlyphs	"ShowMissingGlyphs"
817#define XtCShowWrapMarks	"ShowWrapMarks"
818#define XtCSignalInhibit	"SignalInhibit"
819#define XtCSixelScrolling	"SixelScrolling"
820#define XtCSixelScrollsRight	"SixelScrollsRight"
821#define XtCTekInhibit		"TekInhibit"
822#define XtCTekSmall		"TekSmall"
823#define XtCTekStartup		"TekStartup"
824#define XtCTiXtraScroll		"TiXtraScroll"
825#define XtCTiteInhibit		"TiteInhibit"
826#define XtCTitleModes		"TitleModes"
827#define XtCToolBar		"ToolBar"
828#define XtCTrimSelection	"TrimSelection"
829#define XtCUnderLine		"UnderLine"
830#define XtCUseBorderClipping	"UseBorderClipping"
831#define XtCUseClipping		"UseClipping"
832#define XtCUtf8			"Utf8"
833#define XtCUtf8Fonts		"Utf8Fonts"
834#define XtCUtf8Latin1		"Utf8Latin1"
835#define XtCUtf8SelectTypes	"Utf8SelectTypes"
836#define XtCUtf8Title		"Utf8Title"
837#define XtCUtf8Weblike		"Utf8Weblike"
838#define XtCVT100Graphics	"VT100Graphics"
839#define XtCVeryBoldColors	"VeryBoldColors"
840#define XtCVisualBell		"VisualBell"
841#define XtCVisualBellDelay	"VisualBellDelay"
842#define XtCVisualBellLine	"VisualBellLine"
843#define XtCWideBoldFont		"WideBoldFont"
844#define XtCWideChars		"WideChars"
845#define XtCWideFont		"WideFont"
846#define XtCXimFont		"XimFont"
847#define XtCXmcAttributes	"XmcAttributes"	/* ncurses-testing */
848#define XtCXmcGlitch		"XmcGlitch"	/* ncurses-testing */
849#define XtCXmcInline		"XmcInline"	/* ncurses-testing */
850#define XtCXmcMoveSGR		"XmcMoveSGR"	/* ncurses-testing */
851
852#if defined(NO_ACTIVE_ICON) && !defined(XtNgeometry)
853#define XtNgeometry		"geometry"
854#define XtCGeometry		"Geometry"
855#endif
856
857#if OPT_COLOR_CLASS
858#define XtCCursorColor		"CursorColor"
859#define XtCPointerColor		"PointerColor"
860#define XtCHighlightColor	"HighlightColor"
861#define XtCHighlightTextColor	"HighlightTextColor"
862#else
863#define XtCCursorColor		XtCForeground
864#define XtCPointerColor		XtCForeground
865#define XtCHighlightColor	XtCForeground
866#define XtCHighlightTextColor	XtCBackground
867#endif
868
869/***====================================================================***/
870
871#ifdef __cplusplus
872extern "C" {
873#endif
874
875struct XTERM_RESOURCE;
876
877/* Tekproc.c */
878#if OPT_TEK4014
879extern TekWidget getTekWidget(Widget /* w */);
880extern int TekGetFontSize (const char * /* param */);
881extern int TekInit (void);
882extern void ChangeTekColors (TekWidget /* tw */, TScreen * /* screen */, ScrnColors * /* pNew */);
883extern void HandleGINInput             PROTO_XT_ACTIONS_ARGS;
884extern void TCursorToggle (TekWidget /* tw */, int /* toggle */);
885extern void TekCopy (TekWidget /* tw */);
886extern void TekEnqMouse (TekWidget /* tw */, int /* c */);
887extern void TekExpose (Widget  /* w */, XEvent * /* event */, Region  /* region */);
888extern void TekGINoff (TekWidget /* tw */);
889extern void TekRefresh (TekWidget /* tw */);
890extern void TekRepaint (TekWidget /* xw */);
891extern void TekReverseVideo (XtermWidget /* xw */, TekWidget /* tw */);
892extern void TekRun (void);
893extern void TekSetFontSize (TekWidget /* tw */, Bool /* fromMenu */, int  /* newitem */);
894extern void TekSetWinSize (TekWidget /* tw */);
895extern void TekSimulatePageButton (TekWidget /* tw */, Bool /* reset */);
896#endif
897
898/* button.c */
899#define	MotionOff( s, t ) if (!(screen->hide_pointer)) {		\
900	    (s)->event_mask |= ButtonMotionMask;			\
901	    (s)->event_mask &= ~PointerMotionMask;			\
902	    XSelectInput(XtDisplay((t)), XtWindow((t)), (long) (s)->event_mask); }
903
904#define	MotionOn( s, t ) {						\
905	    (s)->event_mask &= ~ButtonMotionMask;			\
906	    (s)->event_mask |= PointerMotionMask;			\
907	    XSelectInput(XtDisplay((t)), XtWindow((t)), (long) (s)->event_mask); }
908
909extern Bool SendMousePosition (XtermWidget  /* w */, XEvent*  /* event */);
910extern XtermMouseModes okSendMousePos(XtermWidget /* xw */);
911extern void DiredButton                PROTO_XT_ACTIONS_ARGS;
912extern void DisownSelection (XtermWidget  /* xw */);
913extern void UnhiliteSelection (XtermWidget  /* xw */);
914extern void HandleCopySelection        PROTO_XT_ACTIONS_ARGS;
915extern void HandleInsertSelection      PROTO_XT_ACTIONS_ARGS;
916extern void HandleKeyboardSelectEnd    PROTO_XT_ACTIONS_ARGS;
917extern void HandleKeyboardSelectExtend PROTO_XT_ACTIONS_ARGS;
918extern void HandleKeyboardSelectStart  PROTO_XT_ACTIONS_ARGS;
919extern void HandleKeyboardStartExtend  PROTO_XT_ACTIONS_ARGS;
920extern void HandlePointerMotion        PROTO_XT_ACTIONS_ARGS;
921extern void HandlePointerButton        PROTO_XT_ACTIONS_ARGS;
922extern void HandleSelectEnd            PROTO_XT_ACTIONS_ARGS;
923extern void HandleSelectExtend         PROTO_XT_ACTIONS_ARGS;
924extern void HandleSelectSet            PROTO_XT_ACTIONS_ARGS;
925extern void HandleSelectStart          PROTO_XT_ACTIONS_ARGS;
926extern void HandleStartExtend          PROTO_XT_ACTIONS_ARGS;
927extern void ResizeSelection (TScreen * /* screen */, int  /* rows */, int  /* cols */);
928extern void ScrollSelection (TScreen * /* screen */, int  /* amount */,  Bool /* always */);
929extern void TrackMouse (XtermWidget /* xw */, int /* func */, CELL * /* start */, int /* firstrow */, int /* lastrow */);
930extern void ViButton                   PROTO_XT_ACTIONS_ARGS;
931
932extern void UnmapSelections (XtermWidget /* xw */);
933extern int xtermUtf8ToTextList (XtermWidget /* xw */, XTextProperty * /* text_prop */, char *** /* text_list */, int * /* text_list_count */);
934extern void xtermButtonInit (XtermWidget /* xw */);
935
936#if OPT_DEC_LOCATOR
937extern void GetLocatorPosition (XtermWidget  /* w */);
938extern void InitLocatorFilter (XtermWidget  /* w */);
939#endif	/* OPT_DEC_LOCATOR */
940
941#if OPT_FOCUS_EVENT
942extern void SendFocusButton(XtermWidget /* xw */, XFocusChangeEvent * /* event */);
943#else
944#define SendFocusBotton(xw, event) /* nothing */
945#endif
946
947#if OPT_PASTE64
948extern void AppendToSelectionBuffer (TScreen * /* screen */, unsigned  /* c */, String /* selection */);
949extern void ClearSelectionBuffer (TScreen * /* screen */, String /* selection */);
950extern void CompleteSelection (XtermWidget  /* xw */, String * /* args */, Cardinal  /* len */);
951extern void xtermGetSelection (Widget  /* w */, Time  /* ev_time */, String * /* params */, Cardinal  /* num_params */, Atom * /* targets */);
952#endif
953
954#if OPT_READLINE
955extern void ReadLineButton             PROTO_XT_ACTIONS_ARGS;
956#endif
957
958#if OPT_REPORT_CCLASS
959extern void report_char_class(XtermWidget);
960#endif
961
962#define IsLatin1(n)  (((n) >= 32 && (n) <= 126) || ((n) >= 160 && (n) <= 255))
963
964#if OPT_WIDE_CHARS
965#define WideCells(n) (((IChar)(n) >= first_widechar) ? my_wcwidth((wchar_t) (n)) : 1)
966#define isWideFrg(n) (((n) == HIDDEN_CHAR) || (WideCells((n)) == 2))
967#define isWide(n)    (((IChar)(n) >= first_widechar) && isWideFrg(n))
968#define CharWidth(screen, n) ((!((screen)->utf8_mode) && ((n) < 256)) \
969			      ? (IsLatin1(n) ? 1 : 0) \
970			      : my_wcwidth((wchar_t) (n)))
971#else
972#define WideCells(n) 1
973#define CharWidth(screen, n) (IsLatin1(n) ? 1 : 0)
974#endif
975
976/* cachedCgs.c */
977extern CgsEnum getCgsId(XtermWidget /*xw*/, VTwin * /*cgsWin*/, GC /*gc*/);
978extern GC freeCgs(XtermWidget /*xw*/, VTwin * /*cgsWin*/, CgsEnum /*cgsId*/);
979extern GC getCgsGC(XtermWidget /*xw*/, VTwin * /*cgsWin*/, CgsEnum /*cgsId*/);
980extern Pixel getCgsBack(XtermWidget /*xw*/, VTwin * /*cgsWin*/, GC /*gc*/);
981extern Pixel getCgsFore(XtermWidget /*xw*/, VTwin * /*cgsWin*/, GC /*gc*/);
982extern XTermFonts * getCgsFont(XtermWidget /*xw*/, VTwin * /*cgsWin*/, GC /*gc*/);
983extern void clrCgsFonts(XtermWidget /*xw*/, VTwin * /*cgsWin*/, XTermFonts * /*font*/);
984extern void copyCgs(XtermWidget /*xw*/, VTwin * /*cgsWin*/, CgsEnum /*dstCgsId*/, CgsEnum /*srcCgsId*/);
985extern void redoCgs(XtermWidget /*xw*/, Pixel /*fg*/, Pixel /*bg*/, CgsEnum /*cgsId*/);
986extern void setCgsBack(XtermWidget /*xw*/, VTwin * /*cgsWin*/, CgsEnum /*cgsId*/, Pixel /*bg*/);
987extern void setCgsCSet(XtermWidget /*xw*/, VTwin * /*cgsWin*/, CgsEnum /*cgsId*/, unsigned /*cset*/);
988extern void setCgsFont(XtermWidget /*xw*/, VTwin * /*cgsWin*/, CgsEnum /*cgsId*/, XTermFonts * /*font*/);
989extern void setCgsFont2(XtermWidget /*xw*/, VTwin * /*cgsWin*/, CgsEnum /*cgsId*/, XTermFonts * /*font*/, unsigned /*which*/);
990extern void setCgsFore(XtermWidget /*xw*/, VTwin * /*cgsWin*/, CgsEnum /*cgsId*/, Pixel /*fg*/);
991extern void swapCgs(XtermWidget /*xw*/, VTwin * /*cgsWin*/, CgsEnum /*dstCgsId*/, CgsEnum /*srcCgsId*/);
992
993#ifdef NO_LEAKS
994extern void noleaks_cachedCgs (XtermWidget /* xw */);
995#endif
996
997/* charproc.c */
998extern Bool CheckBufPtrs (TScreen * /* screen */);
999extern Bool set_cursor_gcs (XtermWidget /* xw */);
1000extern char * vt100ResourceToString (XtermWidget /* xw */, const char * /* name */);
1001extern int VTInit (XtermWidget /* xw */);
1002extern void FindFontSelection (XtermWidget /* xw */, const char * /* atom_name */, Bool  /* justprobe */);
1003extern void HideCursor (XtermWidget /* xw */);
1004extern void RestartBlinking(XtermWidget /* xw */);
1005extern void ShowCursor (XtermWidget /* xw */);
1006extern void SwitchBufPtrs (TScreen * /* screen */, int /* toBuf */);
1007extern void ToggleAlternate (XtermWidget /* xw */);
1008extern void VTInitTranslations (void);
1009extern GCC_NORETURN void VTReset (XtermWidget /* xw */, int /* full */, int /* saved */);
1010extern void VTRun (XtermWidget /* xw */);
1011extern void dotext (XtermWidget /* xw */, DECNRCM_codes /* charset */, IChar * /* buf */, Cardinal  /* len */);
1012extern void getKeymapResources(Widget /* w */, const char * /*mapName */, const char * /* mapClass */, const char * /* type */, void * /* result */, size_t /* size */);
1013extern void initBorderGC (XtermWidget /* xw */, VTwin * /* win */);
1014extern void lookupSelectUnit(XtermWidget /* xw */, Cardinal /* item */, String /* value */);
1015extern void releaseCursorGCs(XtermWidget /*xw*/);
1016extern void releaseWindowGCs(XtermWidget /*xw*/, VTwin * /*win*/);
1017extern void resetCharsets (TScreen * /* screen */);
1018extern void resetMargins (XtermWidget /* xw */);
1019extern void restoreCharsets (TScreen * /* screen */, DECNRCM_codes * /* source */);
1020extern void saveCharsets (TScreen * /* screen */, DECNRCM_codes * /* target */);
1021extern void set_max_col(TScreen *  /* screen */, int  /* cols */);
1022extern void set_max_row(TScreen *  /* screen */, int  /* rows */);
1023extern void unparse_end (XtermWidget /* xw */);
1024extern void unparseputc (XtermWidget /* xw */, int  /* c */);
1025extern void unparseputc1 (XtermWidget /* xw */, int  /* c */);
1026extern void unparseputn (XtermWidget /* xw */, unsigned /* n */);
1027extern void unparseputs (XtermWidget /* xw */, const char * /* s */);
1028extern void unparseseq (XtermWidget /* xw */, ANSI * /* ap */);
1029extern void v_write (int  /* f */, const Char * /* d */, unsigned  /* len */);
1030extern void xtermAddInput (Widget  /* w */);
1031extern void xtermDecodeSCS (XtermWidget /* xw */, int /* which */, int /* sgroup */, int /* prefix */, int /* suffix */);
1032
1033#if OPT_BLINK_CURS
1034extern void ToggleCursorBlink(XtermWidget /* xw */);
1035#endif
1036
1037#if OPT_BLINK_TEXT
1038extern Bool LineHasBlinking(TScreen * /* screen */, CLineData * /* ld */);
1039#endif
1040
1041#if OPT_INPUT_METHOD
1042extern TInput *lookupTInput (XtermWidget /* xw */, Widget /* w */);
1043#endif
1044
1045#if OPT_ISO_COLORS
1046extern void SGR_Background (XtermWidget /* xw */, int  /* color */);
1047extern void SGR_Foreground (XtermWidget /* xw */, int  /* color */);
1048extern void setExtendedColors (XtermWidget /* xw */);
1049#endif
1050
1051#ifdef NO_LEAKS
1052extern void noleaks_charproc (void);
1053#endif
1054
1055/* charsets.c */
1056extern unsigned xtermCharSetIn (XtermWidget /* xw */, unsigned  /* code */, DECNRCM_codes /* charset */);
1057extern int xtermCharSetOut (XtermWidget /* xw */, IChar * /* buf */, IChar * /* ptr */, DECNRCM_codes /* charset */);
1058
1059/* cursor.c */
1060extern int CursorCol (XtermWidget /* xw */);
1061extern int CursorRow (XtermWidget /* xw */);
1062extern void AdjustSavedCursor (XtermWidget /* xw */, int /* adjust */);
1063extern void CarriageReturn (XtermWidget /* xw */);
1064extern void CursorBack (XtermWidget /* xw */, int /* n */);
1065extern void CursorDown (TScreen * /* screen */, int /* n */);
1066extern void CursorForward (XtermWidget /* xw */, int /* n */);
1067extern void CursorNextLine (XtermWidget /* xw */, int /* count */);
1068extern void CursorPrevLine (XtermWidget /* xw */, int /* count */);
1069extern void CursorRestore2 (XtermWidget /* xw */, SavedCursor * /* sc */);
1070extern void CursorRestore (XtermWidget  /* xw */);
1071extern void CursorSave2 (XtermWidget /* xw */, SavedCursor * /* sc */);
1072extern void CursorSave (XtermWidget  /* xw */);
1073extern void CursorSet (TScreen * /* screen */, int  /* row */, int  /* col */, unsigned  /* flags */);
1074extern void CursorUp (TScreen * /* screen */, int   /* n */);
1075extern void RevIndex (XtermWidget /* xw */, int  /* amount */);
1076extern void xtermIndex (XtermWidget /* xw */, int  /* amount */);
1077
1078#if OPT_TRACE
1079extern int set_cur_col(TScreen * /* screen */, int  /* value */);
1080extern int set_cur_row(TScreen * /* screen */, int  /* value */);
1081#else
1082#define set_cur_col(screen, value) screen->cur_col = value
1083#define set_cur_row(screen, value) \
1084	do { \
1085	    int row_value = value; \
1086	    if_STATUS_LINE(screen, { \
1087		row_value = LastRowNumber(screen); \
1088	    }); \
1089	    screen->cur_row = row_value; \
1090	} while (0)
1091#endif
1092
1093/* cursorfont.c */
1094extern Cursor CreateAlternateCursorFontCursor(Display * /* dpy */, char const * /* cursorfont */, unsigned int  /* which */);
1095extern int CursorFontIndexFromShapeName(char const * /* shapename */);
1096
1097/* doublechr.c */
1098extern void xterm_DECDHL (XtermWidget /* xw */, Bool  /* top */);
1099extern void xterm_DECSWL (XtermWidget /* xw */);
1100extern void xterm_DECDWL (XtermWidget /* xw */);
1101extern void xterm_ResetDouble(XtermWidget /* xw */);
1102#if OPT_DEC_CHRSET
1103extern GC xterm_DoubleGC(XTermDraw * /* params */, GC /* old_gc */, int * /* inxp */);
1104#if OPT_RENDERFONT
1105extern XftFont * xterm_DoubleFT(XTermDraw * /* params */, unsigned /* chrset */, unsigned /* attr_flags */);
1106extern void freeall_DoubleFT(XtermWidget /* xw */);
1107#endif
1108#endif
1109
1110/* input.c */
1111extern unsigned xtermParamToState (XtermWidget /* xw */, unsigned /* param */);
1112extern unsigned xtermStateToParam (XtermWidget /* xw */, unsigned /* state */);
1113extern Bool xtermDeleteIsDEL (XtermWidget /* xw */);
1114extern void Input (XtermWidget /* xw */, XKeyEvent */* event */, Bool /* eightbit */);
1115extern void StringInput (XtermWidget /* xw */, const Char * /* string */, size_t  /* nbytes */);
1116
1117#if OPT_NUM_LOCK
1118extern void VTInitModifiers(XtermWidget /* xw */);
1119#else
1120#define VTInitModifiers(xw) /* nothing */
1121#endif
1122
1123/* linedata.c */
1124extern LineData *getLineData(TScreen * /* screen */, int /* row */);
1125extern void copyLineData(LineData * /* dst */, CLineData * /* src */);
1126extern void initLineData(XtermWidget /* xw */);
1127
1128extern CellData *newCellData(XtermWidget /* xw */, Cardinal /* count */);
1129extern void saveCellData(TScreen * /* screen */, CellData * /* data */, Cardinal /* cell */, CLineData * /* ld */, XTermRect * /* limits */, int /* column */);
1130extern void restoreCellData(TScreen * /* screen */, const CellData * /* data */, Cardinal /* cell */, LineData * /* ld */, XTermRect * /* limits */, int /* column */);
1131
1132/* main.c */
1133#define ENVP_ARG /**/
1134
1135extern int main (int  /* argc */, char ** /* argv */ ENVP_ARG);
1136extern int GetBytesAvailable (int  /* fd */);
1137extern int kill_process_group (int  /* pid */, int  /* sig */);
1138extern int nonblocking_wait (void);
1139
1140#if OPT_PTY_HANDSHAKE
1141extern void first_map_occurred (void);
1142#else
1143#define first_map_occurred() /* nothing */
1144#endif
1145
1146extern GCC_NORETURN void Exit (int /* n */);
1147
1148#ifndef SIG_ATOMIC_T
1149#define SIG_ATOMIC_T int
1150#endif
1151
1152#if OPT_WIDE_CHARS
1153extern unsigned first_widechar;
1154extern int (*my_wcwidth)(wchar_t);
1155#endif
1156
1157/* menu.c */
1158extern void do_hangup          PROTO_XT_CALLBACK_ARGS;
1159extern void repairSizeHints    (void);
1160extern void show_8bit_control  (Bool /* value */);
1161
1162/* misc.c */
1163
1164#define TIMESTAMP_LEN 20	/* length of TIMESTAMP_FMT */
1165
1166extern Bool AllocateTermColor(XtermWidget, ScrnColors *, int, const char *, Bool);
1167extern Boolean allocateBestRGB(XtermWidget /* xw */, XColor * /* def */);
1168extern Boolean validProgram(const char * /* pathname */);
1169extern Boolean xtermGetWinAttrs(Display * /* dpy */, Window /* win */, XWindowAttributes * /* attrs */);
1170extern Boolean xtermGetWinProp(Display * /* dpy */, Window /* win */, Atom /* property */, long /* long_offset */, long /* long_length */, Atom /* req_type */, Atom * /* actual_type_return */, int * /* actual_format_return */, unsigned long * /* nitems_return */, unsigned long * /* bytes_after_return */, unsigned char ** /* prop_return */);
1171extern Boolean xtermIsIconified (XtermWidget /* xw */);
1172extern Cursor make_colored_cursor (unsigned /* cursorindex */, unsigned long /* fg */, unsigned long /* bg */);
1173extern FILE * create_printfile(XtermWidget /* xw */, const char * /* suffix */);
1174extern OptionHelp * sortedOpts(OptionHelp *, XrmOptionDescRec *, Cardinal);
1175extern String xtermEnvLocale (void);
1176extern Widget xtermOpenApplication (XtAppContext * /* app_context_return */, String /* application_class */, XrmOptionDescRec */* options */, Cardinal /* num_options */, int * /* argc_in_out */, char **/* argv_in_out */, String * /* fallback_resources */, WidgetClass /* widget_class */, ArgList /* args */, Cardinal /* num_args */);
1177extern Window WMFrameWindow (XtermWidget /* xw */);
1178extern XtInputMask xtermAppPending (void);
1179extern XrmOptionDescRec * sortedOptDescs (XrmOptionDescRec *, Cardinal);
1180extern XtermWidget getXtermWidget (Widget /* w */);
1181extern XVisualInfo *getVisualInfo (XtermWidget /* xw */);
1182extern char *udk_lookup (XtermWidget /* xw */, int /* keycode */, int * /* len */);
1183extern char *xtermEnvEncoding (void);
1184extern char *xtermFindShell (char * /* leaf */, Bool /* warning */);
1185extern char *xtermFormatSGR (XtermWidget /* xw */, char * /* target */, unsigned /* attrs */, int /* fg */, int /* bg */);
1186extern const char *SysErrorMsg (int /* n */);
1187extern const char *SysReasonMsg (int /* n */);
1188extern int ResetAnsiColorRequest (XtermWidget, char *, int);
1189extern int XStrCmp (char * /* s1 */, char * /* s2 */);
1190extern int creat_as (uid_t /* uid */, gid_t /* gid */, Bool /* append */, char * /* pathname */, unsigned /* mode */);
1191extern int getVisualDepth (XtermWidget /* xw */);
1192extern int ignore_x11_error(Display * /* dpy */, XErrorEvent * /* event */);
1193extern int open_userfile (uid_t /* uid */, gid_t /* gid */, char * /* path */, Bool /* append */);
1194extern int update_winsize (TScreen * /* screen */, int /* rows */, int /* cols */, int /* height */, int /* width */);
1195extern int xerror (Display * /* d */, XErrorEvent * /* ev */);
1196extern int xioerror (Display * /* dpy */);
1197extern int xtermClosestColor (XtermWidget /* xw */, int /* red */, int /* green */, int /* blue */);
1198extern int xtermResetIds (TScreen * /* screen */);
1199extern void Bell (XtermWidget /* xw */, int /* which */, int /* percent */);
1200extern void ChangeGroup(XtermWidget /* xw */, const char * /* attribute */, char * /* value */);
1201extern void ChangeIconName (XtermWidget /* xw */, char * /* name */);
1202extern void ChangeTitle (XtermWidget /* xw */, char * /* name */);
1203extern void ChangeXprop (char * /* name */);
1204extern GCC_NORETURN void Cleanup (int /* code */);
1205extern void HandleBellPropertyChange   PROTO_XT_EV_HANDLER_ARGS;
1206extern void HandleEightBitKeyPressed   PROTO_XT_ACTIONS_ARGS;
1207extern void HandleEnterWindow          PROTO_XT_EV_HANDLER_ARGS;
1208extern void HandleFocusChange          PROTO_XT_EV_HANDLER_ARGS;
1209extern void HandleInterpret            PROTO_XT_ACTIONS_ARGS;
1210extern void HandleKeyPressed           PROTO_XT_ACTIONS_ARGS;
1211extern void HandleLeaveWindow          PROTO_XT_EV_HANDLER_ARGS;
1212extern void HandleSpawnTerminal        PROTO_XT_ACTIONS_ARGS;
1213extern void HandleStringEvent          PROTO_XT_ACTIONS_ARGS;
1214extern void NormalExit (void);
1215extern void Panic (const char * /* s */, int /* a */);
1216extern void Redraw (void);
1217extern void ReverseOldColors (XtermWidget /* xw */);
1218extern GCC_NORETURN void SysError (int /* i */);
1219extern void VisualBell (void);
1220extern void cleanup_colored_cursor (void);
1221extern void do_ansi_rqm (XtermWidget /* xw */, int /* nparam */, int * /* params */);
1222extern void do_dcs (XtermWidget /* xw */, Char * /* buf */, size_t /* len */);
1223extern void do_dec_rqm (XtermWidget /* xw */, int /* nparam */, int * /* params */);
1224extern void do_osc (XtermWidget /* xw */, Char * /* buf */, size_t /* len */, int /* final */);
1225extern void do_xevents (XtermWidget /* xw */);
1226extern void end_tek_mode (void);
1227extern void end_vt_mode (void);
1228extern void free_string(String value);
1229extern void hide_tek_window (void);
1230extern void hide_vt_window (void);
1231extern GCC_NORETURN void ice_error (IceConn /* iceConn */);
1232extern void init_colored_cursor (Display * /* dpy */);
1233extern void reset_decudk (XtermWidget /* xw */);
1234extern void set_tek_visibility (Bool /* on */);
1235extern void set_vt_visibility (Bool /* on */);
1236extern void switch_modes (Bool /* tovt */);
1237extern void timestamp_filename(char * /* dst */, const char * /* src */);
1238extern void xevents (XtermWidget /* xw */);
1239extern GCC_NORETURN void xt_error (String /* message */);
1240extern void xtermBell(XtermWidget /* xw */, int /* which */, int /* percent */);
1241extern void xtermCopyEnv (char ** /* oldenv */);
1242extern void xtermDisplayPointer (XtermWidget /* xw */);
1243extern void xtermDeiconify (XtermWidget /* xw */);
1244extern void xtermEmbedWindow (Window /* winToEmbedInfo */);
1245extern void xtermIconify (XtermWidget /* xw */);
1246extern void xtermLoadIcon (XtermWidget /* xw */, const char * /* icon_hint */);
1247extern void xtermPerror (const char * /*fmt*/,...) GCC_PRINTFLIKE(1,2);
1248extern void xtermSetenv (const char * /* var */, const char * /* value */);
1249extern void xtermSetupPointer (XtermWidget /* xw */, const char * /* theShape */);
1250extern void xtermSetWinSize (XtermWidget /* xw */);
1251extern void xtermShowPointer (XtermWidget /* xw */, Bool /* enable */);
1252extern void xtermUnsetenv (const char * /* var */);
1253extern void xtermWarning (const char * /*fmt*/,...) GCC_PRINTFLIKE(1,2);
1254
1255#if OPT_DABBREV
1256extern void HandleDabbrevExpand        PROTO_XT_ACTIONS_ARGS;
1257#endif
1258
1259#if OPT_DIRECT_COLOR
1260extern int getDirectColor(XtermWidget /* xw */, int /* red */, int /* green */, int /* blue */);
1261#endif /* OPT_DIRECT_COLOR */
1262
1263#if USE_DOUBLE_BUFFER
1264extern void xtermFlushDbe(XtermWidget /* xw */);
1265extern void xtermTimedDbe(XtermWidget /* xw */);
1266#define xtermNeedSwap(xw,why)	TScreenOf(xw)->needSwap |= (why)
1267#else
1268#define xtermFlushDbe(xw)	/* nothing */
1269#define xtermTimedDbe(xw)	/* nothing */
1270#define xtermNeedSwap(xw,why)	/* nothing */
1271#endif /* USE_DOUBLE_BUFFER */
1272
1273#if OPT_EXEC_XTERM
1274extern char *ProcGetCWD(pid_t /* pid */);
1275#else
1276#define ProcGetCWD(pid) NULL
1277#endif
1278
1279#if OPT_ISO_COLORS
1280extern Boolean AllocOneColor(XtermWidget /* xw */, XColor * /* def */);
1281extern Boolean QueryOneColor(XtermWidget /* xw */, XColor * /* def */);
1282#else
1283#define AllocOneColor(xw, def) ((def)->pixel = 0)
1284#define QueryOneColor(xw, def) ((def)->red = (def)->green = (def)->blue = 0)
1285#endif
1286
1287#if OPT_MAXIMIZE
1288extern int QueryMaximize (XtermWidget  /* xw */, unsigned * /* width */, unsigned * /* height */);
1289extern void HandleDeIconify            PROTO_XT_ACTIONS_ARGS;
1290extern void HandleIconify              PROTO_XT_ACTIONS_ARGS;
1291extern void HandleMaximize             PROTO_XT_ACTIONS_ARGS;
1292extern void HandleRestoreSize          PROTO_XT_ACTIONS_ARGS;
1293extern void RequestMaximize (XtermWidget  /* xw */, int  /* maximize */);
1294#endif
1295
1296#if OPT_REPORT_ICONS
1297extern void report_icons(const char *fmt,...) GCC_PRINTFLIKE(1,2);
1298#define ReportIcons(params)	report_icons params
1299#else
1300#define ReportIcons(params)	TRACE(params)
1301#endif
1302
1303#if OPT_SCROLL_LOCK
1304extern void GetScrollLock (TScreen * /* screen */);
1305extern void HandleScrollLock           PROTO_XT_ACTIONS_ARGS;
1306extern void ShowScrollLock (TScreen * /* screen */, Bool /* enable */);
1307extern void SetScrollLock (TScreen * /* screen */, Bool /* enable */);
1308extern void xtermShowLED (TScreen * /* screen */, Cardinal /* led_number */, Bool /* enable */);
1309extern void xtermClearLEDs (TScreen * /* screen */);
1310#else
1311#define ShowScrollLock(screen, enable) /* nothing */
1312#define SetScrollLock(screen, enable) /* nothing */
1313#define GetScrollLock(screen) /* nothing */
1314#endif
1315
1316#if OPT_SELECTION_OPS
1317extern void HandleExecFormatted        PROTO_XT_ACTIONS_ARGS;
1318extern void HandleExecSelectable       PROTO_XT_ACTIONS_ARGS;
1319extern void HandleInsertFormatted      PROTO_XT_ACTIONS_ARGS;
1320extern void HandleInsertSelectable     PROTO_XT_ACTIONS_ARGS;
1321#endif
1322
1323#if OPT_SESSION_MGT
1324extern void xtermCloseSession (void);
1325extern void xtermOpenSession (void);
1326extern void xtermUpdateRestartCommand(XtermWidget /* xw */);
1327#else
1328#define xtermCloseSession() /* nothing */
1329#define xtermOpenSession() /* nothing */
1330#define xtermUpdateRestartCommand(xw) /* nothing */
1331#endif
1332
1333#if OPT_WIDE_CHARS
1334extern Bool xtermEnvUTF8(void);
1335#else
1336#define xtermEnvUTF8() False
1337#endif
1338
1339#if OPT_XTERM_SGR
1340extern void xtermPushSGR (XtermWidget /* xw */, int /* value */);
1341extern void xtermPopSGR (XtermWidget /* xw */);
1342extern void xtermReportSGR (XtermWidget /* xw */, XTermRect * /* value */);
1343extern void xtermPushColors (XtermWidget /* xw */, int /* value */);
1344extern void xtermPopColors (XtermWidget /* xw */, int /* value */);
1345extern void xtermReportColors (XtermWidget /* xw */);
1346#endif
1347
1348#ifdef ALLOWLOGGING
1349extern void StartLog (XtermWidget /* xw */);
1350extern void CloseLog (XtermWidget /* xw */);
1351extern void FlushLog (XtermWidget /* xw */);
1352#else
1353#define FlushLog(xw) /*nothing*/
1354#endif
1355
1356/* print.c */
1357extern Bool xtermHasPrinter (XtermWidget /* xw */);
1358extern PrinterFlags *getPrinterFlags (XtermWidget /* xw */, String * /* params */, Cardinal * /* param_count */);
1359extern int xtermPrinterControl (XtermWidget /* xw */, int /* chr */);
1360extern void setPrinterControlMode (XtermWidget /* xw */, int /* mode */);
1361extern void xtermAutoPrint (XtermWidget /* xw */, unsigned /* chr */);
1362extern void xtermMediaControl (XtermWidget /* xw */, int  /* param */, int  /* private_seq */);
1363extern void xtermPrintScreen (XtermWidget /* xw */, Bool  /* use_DECPEX */, PrinterFlags * /* p */);
1364extern void xtermPrintEverything (XtermWidget /* xw */, PrinterFlags * /* p */);
1365extern void xtermPrintImmediately (XtermWidget /* xw */, String /* filename */, int /* opts */, int /* attributes */);
1366extern void xtermPrintOnXError (XtermWidget /* xw */, int /* n */);
1367
1368#if OPT_SCREEN_DUMPS
1369/* html.c */
1370extern void xtermDumpHtml (XtermWidget /* xw */);
1371extern char *PixelToCSSColor(XtermWidget /* xw */, Pixel /* p */);
1372/* svg.c */
1373extern void xtermDumpSvg (XtermWidget /* xw */);
1374#endif
1375
1376/* ptydata.c */
1377#ifdef VMS
1378#define PtySelect int
1379#else
1380#define PtySelect fd_set
1381#endif
1382
1383extern Bool decodeUtf8 (TScreen * /* screen */, PtyData * /* data */);
1384extern int readPtyData (XtermWidget /* xw */, PtySelect * /* select_mask */, PtyData * /* data */);
1385extern void fillPtyData (XtermWidget /* xw */, PtyData * /* data */, const char * /* value */, int  /* length */);
1386extern void initPtyData (PtyData ** /* data */);
1387extern void trimPtyData (XtermWidget /* xw */, PtyData * /* data */);
1388
1389#ifdef NO_LEAKS
1390extern void noleaks_ptydata ( void );
1391#endif
1392
1393#if OPT_WIDE_CHARS
1394extern Boolean isValidUTF8 (Char * /* lp */);
1395extern Char *convertToUTF8 (Char * /* lp */, unsigned  /* c */);
1396extern Char *convertFromUTF8 (Char * /* lp */, unsigned * /* cp */);
1397extern IChar nextPtyData (TScreen * /* screen */, PtyData * /* data */);
1398extern PtyData * fakePtyData (PtyData * /* result */, Char * /* next */, Char * /* last */);
1399extern void switchPtyData (TScreen * /* screen */, int  /* f */);
1400extern void writePtyData (int  /* f */, IChar * /* d */, unsigned  /* len */);
1401
1402#define morePtyData(screen, data) \
1403	(((data)->last > (data)->next) \
1404	 ? (((screen)->utf8_inparse && !(data)->utf_size) \
1405	    ? decodeUtf8(screen, data) \
1406	    : True) \
1407	 : False)
1408
1409#define skipPtyData(data, result) \
1410	do { \
1411	    result = (data)->utf_data; \
1412	    (data)->next += (data)->utf_size; \
1413	    (data)->utf_size = 0; \
1414	} while (0)
1415#else
1416#define morePtyData(screen, data) ((data)->last > (data)->next)
1417#define nextPtyData(screen, data) (IChar) (*((data)->next++) & \
1418					   (screen->output_eight_bits \
1419					    ? 0xff \
1420					    : 0x7f))
1421#define writePtyData(f,d,len) v_write(f,d,len)
1422#endif
1423
1424/* screen.c */
1425
1426/*
1427 * See http://standards.freedesktop.org/wm-spec/wm-spec-latest.html
1428 */
1429#define _NET_WM_STATE_REMOVE	0	/* remove/unset property */
1430#define _NET_WM_STATE_ADD	1	/* add/set property */
1431#define _NET_WM_STATE_TOGGLE	2	/* toggle property */
1432
1433extern Bool non_blank_line (TScreen */* screen */, int  /* row */, int  /* col */, int  /* len */);
1434extern Char * allocScrnData (TScreen * /* screen */, unsigned /* nrow */, unsigned /* ncol */, Bool /* bottom */);
1435extern ScrnBuf allocScrnBuf (XtermWidget /* xw */, unsigned  /* nrow */, unsigned  /* ncol */, ScrnPtr * /* addr */);
1436extern ScrnBuf scrnHeadAddr (TScreen * /* screen */, ScrnBuf /* base */, unsigned /* offset */);
1437extern size_t ScrnPointers (TScreen * /* screen */, size_t  /* len */);
1438extern void ClearBufRows (XtermWidget /* xw */, int  /* first */, int  /* last */);
1439extern void ClearCells (XtermWidget /* xw */, int /* flags */, unsigned /* len */, int /* row */, int /* col */);
1440extern void CopyCells (TScreen * /* screen */, LineData * /* src */, LineData * /* dst */, int /* col */, int /* len */, Bool /* down */);
1441extern void FullScreen (XtermWidget /* xw */, int /* mode */);
1442extern void FreeMarkGCs (XtermWidget /* xw */);
1443extern void ScreenResize (XtermWidget /* xw */, int  /* width */, int  /* height */, unsigned * /* flags */);
1444extern void ScrnAllocBuf (XtermWidget /* xw */);
1445extern void ScrnClearCells (XtermWidget /* xw */, int /* row */, int /* col */, unsigned /* len */);
1446extern void ScrnDeleteChar (XtermWidget /* xw */, unsigned  /* n */);
1447extern void ScrnDeleteCol (XtermWidget /* xw */, unsigned  /* n */);
1448extern void ScrnDeleteLine (XtermWidget /* xw */, ScrnBuf  /* sb */, int  /* n */, int  /* last */, unsigned /* where */);
1449extern void ScrnDisownSelection (XtermWidget /* xw */);
1450extern void ScrnFillRectangle (XtermWidget /* xw */, XTermRect *,  int ,  unsigned /* flags */, Bool /* keepColors */);
1451extern void ScrnInsertChar (XtermWidget /* xw */, unsigned  /* n */);
1452extern void ScrnInsertCol (XtermWidget /* xw */, unsigned  /* n */);
1453extern void ScrnInsertLine (XtermWidget /* xw */, ScrnBuf /* sb */, int  /* last */, int  /* where */, unsigned  /* n */);
1454extern void ScrnRefresh (XtermWidget /* xw */, int  /* toprow */, int  /* leftcol */, int  /* nrows */, int  /* ncols */, Bool  /* force */);
1455extern void ScrnUpdate (XtermWidget /* xw */, int  /* toprow */, int  /* leftcol */, int  /* nrows */, int  /* ncols */, Bool  /* force */);
1456extern void ScrnWriteText (XtermWidget /* xw */, IChar * /* str */, unsigned  /* flags */, CellColor /* cur_fg_bg */, unsigned  /* length */);
1457extern void ShowWrapMarks (XtermWidget /* xw */, int /* row */, CLineData * /* ld */);
1458extern void setupLineData (TScreen * /* screen */, ScrnBuf /* base */, Char * /* data */, unsigned /* nrow */, unsigned /* ncol */, Bool /* bottom */);
1459extern void xtermParseRect (XtermWidget /* xw */, int, int *, XTermRect *);
1460
1461#if OPT_TRACE && OPT_TRACE_FLAGS
1462extern int  LineTstFlag(LineData /* ld */, int /* flag */);
1463extern void LineClrFlag(LineData /* ld */, int /* flag */);
1464extern void LineSetFlag(LineData /* ld */, int /* flag */);
1465#else
1466
1467#define LineFlags(ld)         GetLineFlags(ld)
1468
1469#define LineClrFlag(ld, flag) SetLineFlags(ld, (GetLineFlags(ld) & ~ (flag)))
1470#define LineSetFlag(ld, flag) SetLineFlags(ld, (GetLineFlags(ld) | (flag)))
1471#define LineTstFlag(ld, flag) ((GetLineFlags(ld) & flag) != 0)
1472
1473#endif /* OPT_TRACE && OPT_TRACE_FLAGS */
1474
1475#define LineClrBlinked(ld) LineClrFlag(ld, LINEBLINKED)
1476#define LineSetBlinked(ld) LineSetFlag(ld, LINEBLINKED)
1477#define LineTstBlinked(ld) LineTstFlag(ld, LINEBLINKED)
1478
1479#define LineClrWrapped(ld) LineClrFlag(ld, LINEWRAPPED)
1480#define LineSetWrapped(ld) LineSetFlag(ld, LINEWRAPPED)
1481#define LineTstWrapped(ld) LineTstFlag(ld, LINEWRAPPED)
1482
1483#define ScrnHaveSelection(screen) \
1484			((screen)->startH.row != (screen)->endH.row \
1485			|| (screen)->startH.col != (screen)->endH.col)
1486
1487#define ScrnAreRowsInSelection(screen, first, last) \
1488	((last) >= (screen)->startH.row && (first) <= (screen)->endH.row)
1489
1490#define ScrnIsRowInSelection(screen, line) \
1491	((line) >= (screen)->startH.row && (line) <= (screen)->endH.row)
1492
1493#define ScrnHaveRowMargins(screen) \
1494			((screen)->top_marg != 0 \
1495			|| ((screen)->bot_marg != screen->max_row))
1496
1497#define ScrnIsRowInMargins(screen, line) \
1498	((line) >= (screen)->top_marg && (line) <= (screen)->bot_marg)
1499
1500#define ScrnHaveColMargins(screen) \
1501			((screen)->rgt_marg > (screen)->max_col)
1502
1503#define ScrnIsColInMargins(screen, col) \
1504	((col) >= (screen)->lft_marg && (col) <= (screen)->rgt_marg)
1505
1506/*
1507 * If the vertical scrolling margins are active, they will be something other
1508 * than the first/last row of the visible screen, as well as being distinct.
1509 */
1510#define IsTopBottomMode(xw)	(ScrnTopMargin(xw) < ScrnBottomMargin(xw))
1511#define ScrnTopMargin(xw)	TScreenOf(xw)->top_marg
1512#define ScrnBottomMargin(xw)	TScreenOf(xw)->bot_marg
1513
1514/*
1515 * Left/right horizontal scrolling margins are only active when DECLRMM is.
1516 */
1517#define IsLeftRightMode(xw) ((xw)->flags & LEFT_RIGHT)
1518#define ScrnLeftMargin(xw)  (IsLeftRightMode(xw) \
1519			     ? TScreenOf(xw)->lft_marg \
1520			     : 0)
1521#define ScrnRightMargin(xw) (IsLeftRightMode(xw) \
1522			     ? TScreenOf(xw)->rgt_marg \
1523			     : MaxCols(TScreenOf(xw)) - 1)
1524
1525#if OPT_DEC_RECTOPS
1526extern void ScrnCopyRectangle (XtermWidget /* xw */, XTermRect *, int, int *);
1527extern void ScrnMarkRectangle (XtermWidget /* xw */, XTermRect *, Bool, int, int *);
1528extern void ScrnWipeRectangle (XtermWidget /* xw */, XTermRect *);
1529extern void xtermCheckRect(XtermWidget /* xw */, int /* nparam */, int */* params */, int * /* result */);
1530#endif
1531
1532#if OPT_WIDE_CHARS
1533extern void ChangeToWide(XtermWidget /* xw */);
1534#endif
1535
1536/* scrollback.c */
1537extern LineData *getScrollback (TScreen * /* screen */, int /* row */);
1538extern LineData *addScrollback (TScreen * /* screen */);
1539extern void deleteScrollback (TScreen * /* screen */);
1540
1541/* scrollbar.c */
1542extern void DoResizeScreen (XtermWidget /* xw */);
1543extern void HandleScrollBack           PROTO_XT_ACTIONS_ARGS;
1544extern void HandleScrollForward        PROTO_XT_ACTIONS_ARGS;
1545extern void HandleScrollTo             PROTO_XT_ACTIONS_ARGS;
1546extern void ResizeScrollBar (XtermWidget  /* xw */);
1547extern void ScrollBarDrawThumb (XtermWidget  /* xw */, int /* mode */);
1548extern void ScrollBarOff (XtermWidget  /* xw */);
1549extern void ScrollBarOn (XtermWidget  /* xw */, Bool /* init */);
1550extern void ScrollBarReverseVideo (Widget  /* scrollWidget */);
1551extern void ToggleScrollBar (XtermWidget  /* xw */);
1552extern void WindowScroll (XtermWidget /* xw */, int  /* top */, Bool /* always */);
1553
1554#ifdef SCROLLBAR_RIGHT
1555extern void updateRightScrollbar(XtermWidget  /* xw */);
1556#else
1557#define updateRightScrollbar(xw) /* nothing */
1558#endif
1559
1560/* tabs.c */
1561extern Bool TabToNextStop (XtermWidget /* xw */);
1562extern Bool TabToPrevStop (XtermWidget /* xw */);
1563extern void TabClear (Tabs /* tabs */, int /* col */);
1564extern void TabReset (Tabs /* tabs */);
1565extern void TabSet (Tabs /* tabs */, int /* col */);
1566extern void TabZonk (Tabs /* tabs */);
1567extern Bool TabIsSet (Tabs /* tabs */, int /* col */);
1568
1569/* util.c */
1570extern Boolean isDefaultBackground (const char * /* name */);
1571extern Boolean isDefaultForeground (const char * /* name */);
1572extern CgsEnum whichXtermCgs (XtermWidget /* xw */, unsigned /* attr_flags */, Bool /* hilite */);
1573extern GC updatedXtermGC (XtermWidget /* xw */, unsigned  /* flags */, CellColor /* fg_bg */, Bool  /* hilite */);
1574extern Pixel getXtermBackground (XtermWidget /* xw */, unsigned /* flags */, int /* color */);
1575extern Pixel getXtermForeground (XtermWidget /* xw */, unsigned /* flags */, int /* color */);
1576extern char * xtermSetLocale (int /* category */, String /* after */);
1577extern int ClearInLine (XtermWidget /* xw */, int /* row */, int /* col */, unsigned /* len */);
1578extern int HandleExposure (XtermWidget /* xw */, XEvent * /* event */);
1579extern int dimRound (double /* value */);
1580extern int drawXtermText (XTermDraw * /* param */, GC /* gc */, int /* x */, int /* y */, const IChar * /* text */, Cardinal /* len */);
1581extern int extendedBoolean (const char * /* value */, const FlagList * /* table */, Cardinal /* limit */);
1582extern void ChangeColors (XtermWidget  /* xw */, ScrnColors * /* pNew */);
1583extern void ClearLine (XtermWidget /* xw */);
1584extern void ClearRight (XtermWidget /* xw */, int /* n */);
1585extern void ClearScreen (XtermWidget /* xw */);
1586extern void DeleteChar (XtermWidget /* xw */, unsigned /* n */);
1587extern void DeleteLine (XtermWidget /* xw */, int /* n */, Bool /* canSave */);
1588extern void FlushScroll (XtermWidget /* xw */);
1589extern void GetColors (XtermWidget  /* xw */, ScrnColors * /* pColors */);
1590extern void InsertChar (XtermWidget /* xw */, unsigned /* n */);
1591extern void InsertLine (XtermWidget /* xw */, int  /* n */);
1592extern void RevScroll (XtermWidget /* xw */, int  /* amount */);
1593extern void ReverseVideo (XtermWidget /* xw */);
1594extern void WriteText (XtermWidget /* xw */, IChar * /* str */, Cardinal /* len */);
1595extern void decode_keyboard_type (XtermWidget /* xw */, struct XTERM_RESOURCE * /* rp */);
1596extern void decode_wcwidth (XtermWidget  /* xw */);
1597extern void do_cd_xtra_scroll (XtermWidget /* xw */, int /* param */);
1598extern void do_erase_display (XtermWidget /* xw */, int  /* param */, int  /* mode */);
1599extern void do_erase_char (XtermWidget /* xw */, int  /* param */, int  /* mode */);
1600extern void do_erase_line (XtermWidget /* xw */, int  /* param */, int  /* mode */);
1601extern void do_ti_xtra_scroll (XtermWidget /* xw */);
1602extern void getXtermSizeHints (XtermWidget /* xw */);
1603extern void recolor_cursor (TScreen * /* screen */, Cursor  /* cursor */, unsigned long  /* fg */, unsigned long  /* bg */);
1604extern void resetXtermGC (XtermWidget /* xw */, unsigned  /* flags */, Bool  /* hilite */);
1605extern void scrolling_copy_area (XtermWidget /* xw */, int  /* firstline */, int  /* nlines */, int  /* amount */);
1606extern void set_keyboard_type (XtermWidget /* xw */, xtermKeyboardType  /* type */, Bool  /* set */);
1607extern void toggle_keyboard_type (XtermWidget /* xw */, xtermKeyboardType  /* type */);
1608extern void update_keyboard_type (void);
1609extern void xtermClear (XtermWidget /* xw */);
1610extern void xtermClear2 (XtermWidget /* xw */, int /* x */, int /* y */, unsigned /* width */, unsigned /* height */);
1611extern void xtermColIndex (XtermWidget /* xw */, Bool /* toLeft */);
1612extern void xtermColScroll (XtermWidget /* xw */, int /* amount */, Bool /* toLeft */, int /* at_col */);
1613extern void xtermRepaint (XtermWidget /* xw */);
1614extern void xtermResetLocale (int /* category */, char * /* before */);
1615extern void xtermScroll (XtermWidget /* xw */, int /* amount */);
1616extern void xtermScrollLR (XtermWidget /* xw */, int /* amount */, Bool /* toLeft */);
1617extern void xtermSizeHints (XtermWidget  /* xw */, int /* scrollbarWidth */);
1618
1619struct Xinerama_geometry {
1620    int x;
1621    int y;
1622    unsigned w;
1623    unsigned h;
1624    int scr_x;
1625    int scr_y;
1626    int scr_w;
1627    int scr_h;
1628};
1629extern int XParseXineramaGeometry(Display * /* display */, char * /* parsestring */, struct Xinerama_geometry * /* ret */);
1630
1631#if OPT_ISO_COLORS
1632
1633extern Pixel extract_fg (XtermWidget /* xw */, CellColor /* color */, unsigned  /* flags */);
1634extern Pixel extract_bg (XtermWidget /* xw */, CellColor /* color */, unsigned  /* flags */);
1635extern CellColor makeColorPair (XtermWidget /* xw */);
1636extern void ClearCurBackground (XtermWidget /* xw */, int  /* top */, int  /* left */, unsigned  /* height */, unsigned  /* width */, unsigned /* fw */);
1637
1638#define xtermColorPair(xw) makeColorPair(xw)
1639
1640#define GET_COLOR_RES(xw, res) xtermGetColorRes(xw, &(res))
1641#define SET_COLOR_RES(res,color) (res)->value = color
1642#define EQL_COLOR_RES(res,color) (res)->value == color
1643#define T_COLOR(v,n) (v)->Tcolors[n].value
1644extern Pixel xtermGetColorRes(XtermWidget /* xw */, ColorRes * /* res */);
1645
1646#define ExtractForeground(color) (unsigned) GetCellColorFG(color)
1647#define ExtractBackground(color) (unsigned) GetCellColorBG(color)
1648
1649#if OPT_RENDERFONT
1650extern void discardRenderDraw(TScreen * /* screen */);
1651#else
1652#define discardRenderDraw(screen) /* nothing */
1653#endif
1654
1655#if OPT_WIDE_ATTRS
1656#define MapToWideColorMode(fg, screen, flags) \
1657	(((screen)->colorITMode && ((flags) & ATR_ITALIC)) \
1658	 ? COLOR_IT \
1659	 : fg)
1660#else
1661#define MapToWideColorMode(fg, screen, flags) fg
1662#endif
1663
1664#define MapToColorMode(fg, screen, flags) \
1665	(((screen)->colorBLMode && ((flags) & BLINK)) \
1666	 ? COLOR_BL \
1667	 : (((screen)->colorBDMode && ((flags) & BOLD)) \
1668	    ? COLOR_BD \
1669	    : (((screen)->colorULMode && ((flags) & UNDERLINE)) \
1670	       ? COLOR_UL \
1671	       : MapToWideColorMode(fg, screen, flags))))
1672
1673#define checkVeryBoldAttr(flags, fg, code, attr) \
1674	if ((flags & FG_COLOR) != 0 \
1675	 && (screen->veryBoldColors & attr) == 0 \
1676	 && (flags & attr) != 0 \
1677	 && (fg == code)) \
1678		 UIntClr(flags, attr)
1679
1680#if OPT_WIDE_ATTRS
1681#define checkVeryBoldWideAttr(flags, fg, it, atr) \
1682	    checkVeryBoldAttr(flags, fg, it, atr)
1683#else
1684#define checkVeryBoldWideAttr(flags, fg, it, atr) (void) flags
1685#endif
1686
1687#define checkVeryBoldColors(flags, fg) \
1688	checkVeryBoldAttr(flags, fg, COLOR_RV, INVERSE); \
1689	checkVeryBoldAttr(flags, fg, COLOR_UL, UNDERLINE); \
1690	checkVeryBoldAttr(flags, fg, COLOR_BD, BOLD); \
1691	checkVeryBoldAttr(flags, fg, COLOR_BL, BLINK); \
1692	checkVeryBoldWideAttr(flags, fg, COLOR_IT, ATR_ITALIC)
1693
1694#else /* !OPT_ISO_COLORS */
1695
1696#define MapToColorMode(fg, screen, flags) fg
1697
1698#define ClearCurBackground(xw, top, left, height, width, fw) \
1699	XClearArea (TScreenOf(xw)->display, \
1700		    VDrawable(TScreenOf(xw)), \
1701		    CursorX2(TScreenOf(xw), left, fw), \
1702		    CursorY2(TScreenOf(xw), top), \
1703		    ((width) * (unsigned) fw), \
1704		    ((height) * (unsigned) FontHeight(TScreenOf(xw))), \
1705		    False)
1706
1707#define extract_fg(xw, color, flags) (unsigned) (xw)->cur_foreground
1708#define extract_bg(xw, color, flags) (unsigned) (xw)->cur_background
1709
1710		/* FIXME: Reverse-Video? */
1711#define T_COLOR(v,n) (v)->Tcolors[n].value
1712#define xtermColorPair(xw) 0
1713
1714#define checkVeryBoldColors(flags, fg) /* nothing */
1715#define discardRenderDraw(screen) /* nothing */
1716
1717#endif	/* OPT_ISO_COLORS */
1718
1719#define getXtermFG(xw, flags, color) getXtermForeground(xw, flags, color)
1720#define getXtermBG(xw, flags, color) getXtermBackground(xw, flags, color)
1721
1722#if OPT_ZICONBEEP
1723extern void initZIconBeep(void);
1724extern void resetZIconBeep(XtermWidget /* xw */);
1725extern Boolean showZIconBeep(XtermWidget /* xw */, char * /* name */);
1726#else
1727#define initZIconBeep() /* nothing */
1728#define resetZIconBeep(xw) /* nothing */
1729#define showZIconBeep(xw, name) False
1730#endif
1731
1732#define XTERM_CELL(row,col)    getXtermCell(screen,     ROW2INX(screen, row), col)
1733
1734extern unsigned getXtermCell (TScreen * /* screen */, int  /* row */, int  /* col */);
1735extern unsigned getXtermCombining(TScreen * /* screen */, int /* row */, int /* col */, int /* off */);
1736extern void putXtermCell (TScreen * /* screen */, int  /* row */, int  /* col */, int  /* ch */);
1737
1738#define IsCellCombined(screen, row, col) (getXtermCombining(screen, row, col, 0) != 0)
1739
1740#if OPT_HIGHLIGHT_COLOR
1741#define isNotForeground(xw, fg, bg, sel) \
1742		(Boolean) ((sel) != T_COLOR(TScreenOf(xw), TEXT_FG) \
1743			   && (sel) != (fg) \
1744			   && (sel) != (bg) \
1745			   && (sel) != (xw)->dft_foreground)
1746#define isNotBackground(xw, fg, bg, sel) \
1747		(Boolean) ((sel) != T_COLOR(TScreenOf(xw), TEXT_BG) \
1748			   && (sel) != (fg) \
1749			   && (sel) != (bg) \
1750			   && (sel) != (xw)->dft_background)
1751#endif
1752
1753#if OPT_WIDE_CHARS
1754extern Boolean isWideControl(unsigned /* ch */);
1755extern int DamagedCells(TScreen * /* screen */, unsigned /* n */, int * /* klp */, int * /* krp */, int /* row */, int /* col */);
1756extern int DamagedCurCells(TScreen * /* screen */, unsigned /* n */, int * /* klp */, int * /* krp */);
1757extern unsigned AsciiEquivs(unsigned /* ch */);
1758extern void addXtermCombining (TScreen * /* screen */, int  /* row */, int  /* col */, unsigned  /* ch */);
1759extern void allocXtermChars(ScrnPtr * /* buffer */, Cardinal /* length */);
1760#endif
1761
1762#if OPT_XMC_GLITCH
1763extern void Mark_XMC (XtermWidget /* xw */, int  /* param */);
1764extern void Jump_XMC (XtermWidget /* xw */);
1765extern void Resolve_XMC (XtermWidget /* xw */);
1766#endif
1767
1768#if OPT_WIDE_CHARS
1769unsigned visual_width(const IChar * /* str */, Cardinal  /* len */);
1770#else
1771#define visual_width(a, b) (b)
1772#endif
1773
1774#define BtoS(b)    ((b) ? "on" : "off")
1775#define MtoS(b)    (((b) == Maybe) ? "maybe" : BtoS(b))
1776#define NonNull(s) ((s) ? (s) : "<null>")
1777
1778#define UIntSet(dst,bits) dst = dst | (unsigned) (bits)
1779#define UIntClr(dst,bits) dst = dst & (unsigned) ~(bits)
1780
1781#ifdef __cplusplus
1782	}
1783#endif
1784/* *INDENT-ON* */
1785
1786#endif /* included_xterm_h */
1787