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charproc.c
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charproc.c
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/* $XTermId: charproc.c,v 1.1283 2013/02/05 01:47:58 tom Exp $ */
/*
* Copyright 1999-2012,2013 by Thomas E. Dickey
*
* All Rights Reserved
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name(s) of the above copyright
* holders shall not be used in advertising or otherwise to promote the
* sale, use or other dealings in this Software without prior written
* authorization.
*
*
* Copyright 1988 The Open Group
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation.
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of The Open Group shall not be
* used in advertising or otherwise to promote the sale, use or other dealings
* in this Software without prior written authorization from The Open Group.
*
*/
/*
* Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
*
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of Digital Equipment
* Corporation not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
*
*
* DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
* DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
/* charproc.c */
#include <version.h>
#include <xterm.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include <X11/cursorfont.h>
#include <X11/Xmu/Atoms.h>
#include <X11/Xmu/CharSet.h>
#include <X11/Xmu/Converters.h>
#if OPT_INPUT_METHOD
#if defined(HAVE_LIB_XAW)
#include <X11/Xaw/XawImP.h>
#elif defined(HAVE_LIB_XAW3D)
#include <X11/Xaw3d/XawImP.h>
#elif defined(HAVE_LIB_NEXTAW)
#include <X11/neXtaw/XawImP.h>
#elif defined(HAVE_LIB_XAWPLUS)
#include <X11/XawPlus/XawImP.h>
#endif
#endif
#if OPT_DOUBLE_BUFFER
#include <X11/extensions/Xdbe.h>
#endif
#if OPT_WIDE_CHARS
#include <xutf8.h>
#include <wcwidth.h>
#include <precompose.h>
#ifdef HAVE_LANGINFO_CODESET
#include <langinfo.h>
#endif
#endif
#if OPT_INPUT_METHOD
#include <X11/Xlocale.h>
#endif
#include <stdio.h>
#include <ctype.h>
#include <assert.h>
#if defined(HAVE_SCHED_YIELD)
#include <sched.h>
#endif
#include <VTparse.h>
#include <data.h>
#include <error.h>
#include <menu.h>
#include <main.h>
#include <fontutils.h>
#include <xcharmouse.h>
#include <charclass.h>
#include <xstrings.h>
typedef void (*BitFunc) (unsigned * /* p */ ,
unsigned /* mask */ );
static IChar doinput(void);
static int set_character_class(char * /*s */ );
static void FromAlternate(XtermWidget /* xw */ );
static void ReallyReset(XtermWidget /* xw */ ,
Bool /* full */ ,
Bool /* saved */ );
static void RequestResize(XtermWidget /* xw */ ,
int /* rows */ ,
int /* cols */ ,
Bool /* text */ );
static void SwitchBufs(XtermWidget /* xw */ ,
int /* toBuf */ );
static void ToAlternate(XtermWidget /* xw */ );
static void ansi_modes(XtermWidget termw,
BitFunc /* func */ );
static void bitclr(unsigned *p, unsigned mask);
static void bitcpy(unsigned *p, unsigned q, unsigned mask);
static void bitset(unsigned *p, unsigned mask);
static void dpmodes(XtermWidget /* xw */ ,
BitFunc /* func */ );
static void restoremodes(XtermWidget /* xw */ );
static void savemodes(XtermWidget /* xw */ );
static void window_ops(XtermWidget /* xw */ );
#define DoStartBlinking(s) ((s)->cursor_blink ^ (s)->cursor_blink_esc)
#if OPT_BLINK_CURS || OPT_BLINK_TEXT
#define UpdateCursorBlink(screen) SetCursorBlink(screen, screen->cursor_blink)
static void SetCursorBlink(TScreen * /* screen */ ,
Bool /* enable */ );
static void HandleBlinking(XtPointer /* closure */ ,
XtIntervalId * /* id */ );
static void StartBlinking(TScreen * /* screen */ );
static void StopBlinking(TScreen * /* screen */ );
#else
#define StartBlinking(screen) /* nothing */
#define StopBlinking(screen) /* nothing */
#endif
#if OPT_I18N_SUPPORT && OPT_INPUT_METHOD
static void PreeditPosition(XtermWidget /* xw */ );
#endif
#define DEFAULT -1
#define BELLSUPPRESSMSEC 200
static ANSI reply;
static PARAMS parms;
#define nparam parms.count
#define InitParams() parms.count = parms.is_sub[0] = parms.has_subparams = 0
#define GetParam(n) parms.params[(n)]
#define SetParam(n,v) parms.params[(n)] = v
#define ParamPair(n) nparam - (n), parms.params + (n)
#define ParamsDone() InitParams()
static jmp_buf vtjmpbuf;
/* event handlers */
static void HandleBell PROTO_XT_ACTIONS_ARGS;
static void HandleIgnore PROTO_XT_ACTIONS_ARGS;
static void HandleKeymapChange PROTO_XT_ACTIONS_ARGS;
static void HandleVisualBell PROTO_XT_ACTIONS_ARGS;
#if HANDLE_STRUCT_NOTIFY
static void HandleStructNotify PROTO_XT_EV_HANDLER_ARGS;
#endif
/*
* NOTE: VTInitialize zeros out the entire ".screen" component of the
* XtermWidget, so make sure to add an assignment statement in VTInitialize()
* for each new ".screen" field added to this resource list.
*/
/* Defaults */
#if OPT_ISO_COLORS
/*
* If we default to colorMode enabled, compile-in defaults for the ANSI colors.
*/
#if DFT_COLORMODE
#define DFT_COLOR(name) name
#else
#define DFT_COLOR(name) XtDefaultForeground
#endif
#endif
static String _Font_Selected_ = "yes"; /* string is arbitrary */
static const char *defaultTranslations;
/* *INDENT-OFF* */
static XtActionsRec actionsList[] = {
{ "allow-send-events", HandleAllowSends },
{ "bell", HandleBell },
{ "clear-saved-lines", HandleClearSavedLines },
{ "copy-selection", HandleCopySelection },
{ "create-menu", HandleCreateMenu },
{ "delete-is-del", HandleDeleteIsDEL },
{ "dired-button", DiredButton },
{ "hard-reset", HandleHardReset },
{ "ignore", HandleIgnore },
{ "insert", HandleKeyPressed }, /* alias for insert-seven-bit */
{ "insert-eight-bit", HandleEightBitKeyPressed },
{ "insert-selection", HandleInsertSelection },
{ "insert-seven-bit", HandleKeyPressed },
{ "interpret", HandleInterpret },
{ "keymap", HandleKeymapChange },
{ "popup-menu", HandlePopupMenu },
{ "print", HandlePrintScreen },
{ "print-everything", HandlePrintEverything },
{ "print-redir", HandlePrintControlMode },
{ "quit", HandleQuit },
{ "redraw", HandleRedraw },
{ "scroll-back", HandleScrollBack },
{ "scroll-forw", HandleScrollForward },
{ "secure", HandleSecure },
{ "select-cursor-end", HandleKeyboardSelectEnd },
{ "select-cursor-extend", HandleKeyboardSelectExtend },
{ "select-cursor-start", HandleKeyboardSelectStart },
{ "select-end", HandleSelectEnd },
{ "select-extend", HandleSelectExtend },
{ "select-set", HandleSelectSet },
{ "select-start", HandleSelectStart },
{ "send-signal", HandleSendSignal },
{ "set-8-bit-control", Handle8BitControl },
{ "set-allow132", HandleAllow132 },
{ "set-altscreen", HandleAltScreen },
{ "set-appcursor", HandleAppCursor },
{ "set-appkeypad", HandleAppKeypad },
{ "set-autolinefeed", HandleAutoLineFeed },
{ "set-autowrap", HandleAutoWrap },
{ "set-backarrow", HandleBackarrow },
{ "set-bellIsUrgent", HandleBellIsUrgent },
{ "set-cursesemul", HandleCursesEmul },
{ "set-jumpscroll", HandleJumpscroll },
{ "set-keep-selection", HandleKeepSelection },
{ "set-marginbell", HandleMarginBell },
{ "set-old-function-keys", HandleOldFunctionKeys },
{ "set-pop-on-bell", HandleSetPopOnBell },
{ "set-reverse-video", HandleReverseVideo },
{ "set-reversewrap", HandleReverseWrap },
{ "set-scroll-on-key", HandleScrollKey },
{ "set-scroll-on-tty-output", HandleScrollTtyOutput },
{ "set-scrollbar", HandleScrollbar },
{ "set-select", HandleSetSelect },
{ "set-sun-keyboard", HandleSunKeyboard },
{ "set-titeInhibit", HandleTiteInhibit },
{ "set-visual-bell", HandleSetVisualBell },
{ "set-vt-font", HandleSetFont },
{ "soft-reset", HandleSoftReset },
{ "start-cursor-extend", HandleKeyboardStartExtend },
{ "start-extend", HandleStartExtend },
{ "string", HandleStringEvent },
{ "vi-button", ViButton },
{ "visual-bell", HandleVisualBell },
#ifdef ALLOWLOGGING
{ "set-logging", HandleLogging },
#endif
#if OPT_ALLOW_XXX_OPS
{ "allow-color-ops", HandleAllowColorOps },
{ "allow-font-ops", HandleAllowFontOps },
{ "allow-tcap-ops", HandleAllowTcapOps },
{ "allow-title-ops", HandleAllowTitleOps },
{ "allow-window-ops", HandleAllowWindowOps },
#endif
#if OPT_BLINK_CURS
{ "set-cursorblink", HandleCursorBlink },
#endif
#if OPT_BOX_CHARS
{ "set-font-linedrawing", HandleFontBoxChars },
{ "set-font-packed", HandleFontPacked },
#endif
#if OPT_DABBREV
{ "dabbrev-expand", HandleDabbrevExpand },
#endif
#if OPT_DEC_CHRSET
{ "set-font-doublesize", HandleFontDoublesize },
#endif
#if OPT_DEC_SOFTFONT
{ "set-font-loading", HandleFontLoading },
#endif
#if OPT_EXEC_XTERM
{ "spawn-new-terminal", HandleSpawnTerminal },
#endif
#if OPT_HP_FUNC_KEYS
{ "set-hp-function-keys", HandleHpFunctionKeys },
#endif
#if OPT_LOAD_VTFONTS
{ "load-vt-fonts", HandleLoadVTFonts },
#endif
#if OPT_MAXIMIZE
{ "deiconify", HandleDeIconify },
{ "fullscreen", HandleFullscreen },
{ "iconify", HandleIconify },
{ "maximize", HandleMaximize },
{ "restore", HandleRestoreSize },
#endif
#if OPT_NUM_LOCK
{ "alt-sends-escape", HandleAltEsc },
{ "meta-sends-escape", HandleMetaEsc },
{ "set-num-lock", HandleNumLock },
#endif
#if OPT_READLINE
{ "readline-button", ReadLineButton },
#endif
#if OPT_RENDERFONT
{ "set-render-font", HandleRenderFont },
#endif
#if OPT_SCO_FUNC_KEYS
{ "set-sco-function-keys", HandleScoFunctionKeys },
#endif
#if OPT_SCROLL_LOCK
{ "scroll-lock", HandleScrollLock },
#endif
#if OPT_SELECTION_OPS
{ "exec-formatted", HandleExecFormatted },
{ "exec-selectable", HandleExecSelectable },
{ "insert-formatted", HandleInsertFormatted },
{ "insert-selectable", HandleInsertSelectable },
#endif
#if OPT_SHIFT_FONTS
{ "larger-vt-font", HandleLargerFont },
{ "smaller-vt-font", HandleSmallerFont },
#endif
#if OPT_SUN_FUNC_KEYS
{ "set-sun-function-keys", HandleSunFunctionKeys },
#endif
#if OPT_TEK4014
{ "set-terminal-type", HandleSetTerminalType },
{ "set-visibility", HandleVisibility },
{ "set-tek-text", HandleSetTekText },
{ "tek-page", HandleTekPage },
{ "tek-reset", HandleTekReset },
{ "tek-copy", HandleTekCopy },
#endif
#if OPT_TOOLBAR
{ "set-toolbar", HandleToolbar },
#endif
#if OPT_WIDE_CHARS
{ "set-utf8-mode", HandleUTF8Mode },
{ "set-utf8-fonts", HandleUTF8Fonts },
{ "set-utf8-title", HandleUTF8Title },
#endif
};
/* *INDENT-ON* */
#define SPS screen.printer_state
static XtResource xterm_resources[] =
{
Bres(XtNallowSendEvents, XtCAllowSendEvents, screen.allowSendEvent0, False),
Bres(XtNallowColorOps, XtCAllowColorOps, screen.allowColorOp0, DEF_ALLOW_COLOR),
Bres(XtNallowFontOps, XtCAllowFontOps, screen.allowFontOp0, DEF_ALLOW_FONT),
Bres(XtNallowTcapOps, XtCAllowTcapOps, screen.allowTcapOp0, DEF_ALLOW_TCAP),
Bres(XtNallowTitleOps, XtCAllowTitleOps, screen.allowTitleOp0, DEF_ALLOW_TITLE),
Bres(XtNallowWindowOps, XtCAllowWindowOps, screen.allowWindowOp0, DEF_ALLOW_WINDOW),
Bres(XtNaltIsNotMeta, XtCAltIsNotMeta, screen.alt_is_not_meta, False),
Bres(XtNaltSendsEscape, XtCAltSendsEscape, screen.alt_sends_esc, DEF_ALT_SENDS_ESC),
Bres(XtNallowBoldFonts, XtCAllowBoldFonts, screen.allowBoldFonts, True),
Bres(XtNalwaysBoldMode, XtCAlwaysBoldMode, screen.always_bold_mode, False),
Bres(XtNalwaysHighlight, XtCAlwaysHighlight, screen.always_highlight, False),
Bres(XtNappcursorDefault, XtCAppcursorDefault, misc.appcursorDefault, False),
Bres(XtNappkeypadDefault, XtCAppkeypadDefault, misc.appkeypadDefault, False),
Bres(XtNalternateScroll, XtCScrollCond, screen.alternateScroll, False),
Bres(XtNautoWrap, XtCAutoWrap, misc.autoWrap, True),
Bres(XtNawaitInput, XtCAwaitInput, screen.awaitInput, False),
Bres(XtNfreeBoldBox, XtCFreeBoldBox, screen.free_bold_box, False),
Bres(XtNbackarrowKey, XtCBackarrowKey, screen.backarrow_key, DEF_BACKARO_DEL),
Bres(XtNbellIsUrgent, XtCBellIsUrgent, screen.bellIsUrgent, False),
Bres(XtNbellOnReset, XtCBellOnReset, screen.bellOnReset, True),
Bres(XtNboldMode, XtCBoldMode, screen.bold_mode, True),
Bres(XtNbrokenSelections, XtCBrokenSelections, screen.brokenSelections, False),
Bres(XtNc132, XtCC132, screen.c132, False),
Bres(XtNcdXtraScroll, XtCCdXtraScroll, misc.cdXtraScroll, False),
Bres(XtNcurses, XtCCurses, screen.curses, False),
Bres(XtNcutNewline, XtCCutNewline, screen.cutNewline, True),
Bres(XtNcutToBeginningOfLine, XtCCutToBeginningOfLine,
screen.cutToBeginningOfLine, True),
Bres(XtNdeleteIsDEL, XtCDeleteIsDEL, screen.delete_is_del, DEFDELETE_DEL),
Bres(XtNdynamicColors, XtCDynamicColors, misc.dynamicColors, True),
Bres(XtNeightBitControl, XtCEightBitControl, screen.control_eight_bits, False),
Bres(XtNeightBitInput, XtCEightBitInput, screen.input_eight_bits, True),
Bres(XtNeightBitOutput, XtCEightBitOutput, screen.output_eight_bits, True),
Bres(XtNhighlightSelection, XtCHighlightSelection,
screen.highlight_selection, False),
Bres(XtNshowWrapMarks, XtCShowWrapMarks, screen.show_wrap_marks, False),
Bres(XtNhpLowerleftBugCompat, XtCHpLowerleftBugCompat, screen.hp_ll_bc, False),
Bres(XtNi18nSelections, XtCI18nSelections, screen.i18nSelections, True),
Bres(XtNfastScroll, XtCFastScroll, screen.fastscroll, False),
Bres(XtNjumpScroll, XtCJumpScroll, screen.jumpscroll, True),
Bres(XtNkeepSelection, XtCKeepSelection, screen.keepSelection, True),
Bres(XtNloginShell, XtCLoginShell, misc.login_shell, False),
Bres(XtNmarginBell, XtCMarginBell, screen.marginbell, False),
Bres(XtNmetaSendsEscape, XtCMetaSendsEscape, screen.meta_sends_esc, DEF_META_SENDS_ESC),
Bres(XtNmultiScroll, XtCMultiScroll, screen.multiscroll, False),
Bres(XtNoldXtermFKeys, XtCOldXtermFKeys, screen.old_fkeys, False),
Bres(XtNpopOnBell, XtCPopOnBell, screen.poponbell, False),
Bres(XtNprinterAutoClose, XtCPrinterAutoClose, SPS.printer_autoclose, False),
Bres(XtNprinterExtent, XtCPrinterExtent, SPS.printer_extent, False),
Bres(XtNprinterFormFeed, XtCPrinterFormFeed, SPS.printer_formfeed, False),
Bres(XtNprinterNewLine, XtCPrinterNewLine, SPS.printer_newline, True),
Bres(XtNquietGrab, XtCQuietGrab, screen.quiet_grab, False),
Bres(XtNreverseVideo, XtCReverseVideo, misc.re_verse, False),
Bres(XtNreverseWrap, XtCReverseWrap, misc.reverseWrap, False),
Bres(XtNscrollBar, XtCScrollBar, misc.scrollbar, False),
Bres(XtNscrollKey, XtCScrollCond, screen.scrollkey, False),
Bres(XtNscrollTtyOutput, XtCScrollCond, screen.scrollttyoutput, True),
Bres(XtNselectToClipboard, XtCSelectToClipboard,
screen.selectToClipboard, False),
Bres(XtNsignalInhibit, XtCSignalInhibit, misc.signalInhibit, False),
Bres(XtNtiteInhibit, XtCTiteInhibit, misc.titeInhibit, False),
Bres(XtNtiXtraScroll, XtCTiXtraScroll, misc.tiXtraScroll, False),
Bres(XtNtrimSelection, XtCTrimSelection, screen.trim_selection, False),
Bres(XtNunderLine, XtCUnderLine, screen.underline, True),
Bres(XtNvisualBell, XtCVisualBell, screen.visualbell, False),
Bres(XtNvisualBellLine, XtCVisualBellLine, screen.flash_line, False),
Dres(XtNscaleHeight, XtCScaleHeight, screen.scale_height, "1.0"),
Ires(XtNbellSuppressTime, XtCBellSuppressTime, screen.bellSuppressTime, BELLSUPPRESSMSEC),
Ires(XtNfontWarnings, XtCFontWarnings, misc.fontWarnings, fwResource),
Ires(XtNinternalBorder, XtCBorderWidth, screen.border, DEFBORDER),
Ires(XtNlimitResize, XtCLimitResize, misc.limit_resize, 1),
Ires(XtNmultiClickTime, XtCMultiClickTime, screen.multiClickTime, MULTICLICKTIME),
Ires(XtNnMarginBell, XtCColumn, screen.nmarginbell, N_MARGINBELL),
Ires(XtNpointerMode, XtCPointerMode, screen.pointer_mode, DEF_POINTER_MODE),
Ires(XtNprinterControlMode, XtCPrinterControlMode,
SPS.printer_controlmode, 0),
Ires(XtNtitleModes, XtCTitleModes, screen.title_modes, DEF_TITLE_MODES),
Ires(XtNvisualBellDelay, XtCVisualBellDelay, screen.visualBellDelay, 100),
Ires(XtNsaveLines, XtCSaveLines, screen.savelines, SAVELINES),
Ires(XtNscrollBarBorder, XtCScrollBarBorder, screen.scrollBarBorder, 1),
Ires(XtNscrollLines, XtCScrollLines, screen.scrolllines, SCROLLLINES),
Sres(XtNinitialFont, XtCInitialFont, screen.initial_font, NULL),
Sres(XtNfont1, XtCFont1, screen.MenuFontName(fontMenu_font1), NULL),
Sres(XtNfont2, XtCFont2, screen.MenuFontName(fontMenu_font2), NULL),
Sres(XtNfont3, XtCFont3, screen.MenuFontName(fontMenu_font3), NULL),
Sres(XtNfont4, XtCFont4, screen.MenuFontName(fontMenu_font4), NULL),
Sres(XtNfont5, XtCFont5, screen.MenuFontName(fontMenu_font5), NULL),
Sres(XtNfont6, XtCFont6, screen.MenuFontName(fontMenu_font6), NULL),
Sres(XtNanswerbackString, XtCAnswerbackString, screen.answer_back, ""),
Sres(XtNboldFont, XtCBoldFont, misc.default_font.f_b, DEFBOLDFONT),
Sres(XtNcharClass, XtCCharClass, screen.charClass, NULL),
Sres(XtNdecTerminalID, XtCDecTerminalID, screen.term_id, DFT_DECID),
Sres(XtNdefaultString, XtCDefaultString, screen.default_string, "#"),
Sres(XtNdisallowedColorOps, XtCDisallowedColorOps,
screen.disallowedColorOps, DEF_DISALLOWED_COLOR),
Sres(XtNdisallowedFontOps, XtCDisallowedFontOps,
screen.disallowedFontOps, DEF_DISALLOWED_FONT),
Sres(XtNdisallowedTcapOps, XtCDisallowedTcapOps,
screen.disallowedTcapOps, DEF_DISALLOWED_TCAP),
Sres(XtNdisallowedWindowOps, XtCDisallowedWindowOps,
screen.disallowedWinOps, DEF_DISALLOWED_WINDOW),
Sres(XtNeightBitMeta, XtCEightBitMeta, screen.eight_bit_meta_s, DEF_8BIT_META),
Sres(XtNeightBitSelectTypes, XtCEightBitSelectTypes,
screen.eightbit_select_types, NULL),
Sres(XtNfont, XtCFont, misc.default_font.f_n, DEFFONT),
Sres(XtNgeometry, XtCGeometry, misc.geo_metry, NULL),
Sres(XtNkeyboardDialect, XtCKeyboardDialect, screen.keyboard_dialect, DFT_KBD_DIALECT),
Sres(XtNprinterCommand, XtCPrinterCommand, SPS.printer_command, ""),
Sres(XtNtekGeometry, XtCGeometry, misc.T_geometry, NULL),
Tres(XtNcursorColor, XtCCursorColor, TEXT_CURSOR, XtDefaultForeground),
Tres(XtNforeground, XtCForeground, TEXT_FG, XtDefaultForeground),
Tres(XtNpointerColor, XtCPointerColor, MOUSE_FG, XtDefaultForeground),
Tres(XtNbackground, XtCBackground, TEXT_BG, XtDefaultBackground),
Tres(XtNpointerColorBackground, XtCBackground, MOUSE_BG, XtDefaultBackground),
{XtNresizeGravity, XtCResizeGravity, XtRGravity, sizeof(XtGravity),
XtOffsetOf(XtermWidgetRec, misc.resizeGravity),
XtRImmediate, (XtPointer) SouthWestGravity},
{XtNpointerShape, XtCCursor, XtRCursor, sizeof(Cursor),
XtOffsetOf(XtermWidgetRec, screen.pointer_cursor),
XtRString, (XtPointer) "xterm"},
#ifdef ALLOWLOGGING
Bres(XtNlogInhibit, XtCLogInhibit, misc.logInhibit, False),
Bres(XtNlogging, XtCLogging, misc.log_on, False),
Sres(XtNlogFile, XtCLogfile, screen.logfile, NULL),
#endif
#ifndef NO_ACTIVE_ICON
Sres("activeIcon", "ActiveIcon", misc.active_icon_s, "default"),
Ires("iconBorderWidth", XtCBorderWidth, misc.icon_border_width, 2),
Sres("iconFont", "IconFont", screen.icon_fontname, "nil2"),
Cres("iconBorderColor", XtCBorderColor, misc.icon_border_pixel, XtDefaultBackground),
#endif /* NO_ACTIVE_ICON */
#if OPT_BLINK_CURS
Bres(XtNcursorBlink, XtCCursorBlink, screen.cursor_blink, False),
#endif
Bres(XtNcursorUnderline, XtCCursorUnderline, screen.cursor_underline, False),
#if OPT_BLINK_TEXT
Bres(XtNshowBlinkAsBold, XtCCursorBlink, screen.blink_as_bold, DEFBLINKASBOLD),
#endif
#if OPT_BLINK_CURS || OPT_BLINK_TEXT
Ires(XtNcursorOnTime, XtCCursorOnTime, screen.blink_on, 600),
Ires(XtNcursorOffTime, XtCCursorOffTime, screen.blink_off, 300),
#endif
#if OPT_BOX_CHARS
Bres(XtNforceBoxChars, XtCForceBoxChars, screen.force_box_chars, False),
Bres(XtNforcePackedFont, XtCForcePackedFont, screen.force_packed, True),
Bres(XtNshowMissingGlyphs, XtCShowMissingGlyphs, screen.force_all_chars, False),
#endif
#if OPT_BROKEN_OSC
Bres(XtNbrokenLinuxOSC, XtCBrokenLinuxOSC, screen.brokenLinuxOSC, True),
#endif
#if OPT_BROKEN_ST
Bres(XtNbrokenStringTerm, XtCBrokenStringTerm, screen.brokenStringTerm, False),
#endif
#if OPT_C1_PRINT
Bres(XtNallowC1Printable, XtCAllowC1Printable, screen.c1_printable, False),
#endif
#if OPT_CLIP_BOLD
Bres(XtNuseClipping, XtCUseClipping, screen.use_clipping, True),
#endif
#if OPT_DEC_CHRSET
Bres(XtNfontDoublesize, XtCFontDoublesize, screen.font_doublesize, True),
Ires(XtNcacheDoublesize, XtCCacheDoublesize, screen.cache_doublesize, NUM_CHRSET),
#endif
#if OPT_HIGHLIGHT_COLOR
Tres(XtNhighlightColor, XtCHighlightColor, HIGHLIGHT_BG, XtDefaultForeground),
Tres(XtNhighlightTextColor, XtCHighlightTextColor, HIGHLIGHT_FG, XtDefaultBackground),
Bres(XtNhighlightReverse, XtCHighlightReverse, screen.hilite_reverse, True),
Bres(XtNhighlightColorMode, XtCHighlightColorMode, screen.hilite_color, Maybe),
#endif /* OPT_HIGHLIGHT_COLOR */
#if OPT_INPUT_METHOD
Bres(XtNopenIm, XtCOpenIm, misc.open_im, True),
Sres(XtNinputMethod, XtCInputMethod, misc.input_method, NULL),
Sres(XtNpreeditType, XtCPreeditType, misc.preedit_type,
"OverTheSpot,Root"),
Ires(XtNretryInputMethod, XtCRetryInputMethod, misc.retry_im, 3),
#endif
#if OPT_ISO_COLORS
Bres(XtNboldColors, XtCColorMode, screen.boldColors, True),
Ires(XtNveryBoldColors, XtCVeryBoldColors, screen.veryBoldColors, 0),
Bres(XtNcolorMode, XtCColorMode, screen.colorMode, DFT_COLORMODE),
Bres(XtNcolorAttrMode, XtCColorAttrMode, screen.colorAttrMode, False),
Bres(XtNcolorBDMode, XtCColorAttrMode, screen.colorBDMode, False),
Bres(XtNcolorBLMode, XtCColorAttrMode, screen.colorBLMode, False),
Bres(XtNcolorRVMode, XtCColorAttrMode, screen.colorRVMode, False),
Bres(XtNcolorULMode, XtCColorAttrMode, screen.colorULMode, False),
Bres(XtNitalicULMode, XtCColorAttrMode, screen.italicULMode, False),
COLOR_RES("0", screen.Acolors[COLOR_0], DFT_COLOR("black")),
COLOR_RES("1", screen.Acolors[COLOR_1], DFT_COLOR("red3")),
COLOR_RES("2", screen.Acolors[COLOR_2], DFT_COLOR("green3")),
COLOR_RES("3", screen.Acolors[COLOR_3], DFT_COLOR("yellow3")),
COLOR_RES("4", screen.Acolors[COLOR_4], DFT_COLOR(DEF_COLOR4)),
COLOR_RES("5", screen.Acolors[COLOR_5], DFT_COLOR("magenta3")),
COLOR_RES("6", screen.Acolors[COLOR_6], DFT_COLOR("cyan3")),
COLOR_RES("7", screen.Acolors[COLOR_7], DFT_COLOR("gray90")),
COLOR_RES("8", screen.Acolors[COLOR_8], DFT_COLOR("gray50")),
COLOR_RES("9", screen.Acolors[COLOR_9], DFT_COLOR("red")),
COLOR_RES("10", screen.Acolors[COLOR_10], DFT_COLOR("green")),
COLOR_RES("11", screen.Acolors[COLOR_11], DFT_COLOR("yellow")),
COLOR_RES("12", screen.Acolors[COLOR_12], DFT_COLOR(DEF_COLOR12)),
COLOR_RES("13", screen.Acolors[COLOR_13], DFT_COLOR("magenta")),
COLOR_RES("14", screen.Acolors[COLOR_14], DFT_COLOR("cyan")),
COLOR_RES("15", screen.Acolors[COLOR_15], DFT_COLOR("white")),
COLOR_RES("BD", screen.Acolors[COLOR_BD], DFT_COLOR(XtDefaultForeground)),
COLOR_RES("BL", screen.Acolors[COLOR_BL], DFT_COLOR(XtDefaultForeground)),
COLOR_RES("UL", screen.Acolors[COLOR_UL], DFT_COLOR(XtDefaultForeground)),
COLOR_RES("RV", screen.Acolors[COLOR_RV], DFT_COLOR(XtDefaultForeground)),
#if !OPT_COLOR_RES2
#if OPT_256_COLORS
# include <256colres.h>
#elif OPT_88_COLORS
# include <88colres.h>
#endif
#endif /* !OPT_COLOR_RES2 */
#endif /* OPT_ISO_COLORS */
CLICK_RES("2", screen.onClick[1], "word"),
CLICK_RES("3", screen.onClick[2], "line"),
CLICK_RES("4", screen.onClick[3], 0),
CLICK_RES("5", screen.onClick[4], 0),
#if OPT_MOD_FKEYS
Ires(XtNmodifyKeyboard, XtCModifyKeyboard,
keyboard.modify_1st.allow_keys, 0),
Ires(XtNmodifyCursorKeys, XtCModifyCursorKeys,
keyboard.modify_1st.cursor_keys, 2),
Ires(XtNmodifyFunctionKeys, XtCModifyFunctionKeys,
keyboard.modify_1st.function_keys, 2),
Ires(XtNmodifyKeypadKeys, XtCModifyKeypadKeys,
keyboard.modify_1st.keypad_keys, 0),
Ires(XtNmodifyOtherKeys, XtCModifyOtherKeys,
keyboard.modify_1st.other_keys, 0),
Ires(XtNmodifyStringKeys, XtCModifyStringKeys,
keyboard.modify_1st.string_keys, 0),
Ires(XtNformatOtherKeys, XtCFormatOtherKeys,
keyboard.format_keys, 0),
#endif
#if OPT_NUM_LOCK
Bres(XtNalwaysUseMods, XtCAlwaysUseMods, misc.alwaysUseMods, False),
Bres(XtNnumLock, XtCNumLock, misc.real_NumLock, True),
#endif
#if OPT_PRINT_COLORS
Ires(XtNprintAttributes, XtCPrintAttributes, SPS.print_attributes, 1),
#endif
#if OPT_SHIFT_FONTS
Bres(XtNshiftFonts, XtCShiftFonts, misc.shift_fonts, True),
#endif
#if OPT_SUNPC_KBD
Ires(XtNctrlFKeys, XtCCtrlFKeys, misc.ctrl_fkeys, 10),
#endif
#if OPT_TEK4014
Bres(XtNtekInhibit, XtCTekInhibit, misc.tekInhibit, False),
Bres(XtNtekSmall, XtCTekSmall, misc.tekSmall, False),
Bres(XtNtekStartup, XtCTekStartup, misc.TekEmu, False),
#endif
#if OPT_TOOLBAR
Wres(XtNmenuBar, XtCMenuBar, VT100_TB_INFO(menu_bar), 0),
Ires(XtNmenuHeight, XtCMenuHeight, VT100_TB_INFO(menu_height), 25),
#endif
#if OPT_WIDE_CHARS
Bres(XtNcjkWidth, XtCCjkWidth, misc.cjk_width, False),
Bres(XtNmkWidth, XtCMkWidth, misc.mk_width, False),
Bres(XtNprecompose, XtCPrecompose, screen.normalized_c, True),
Bres(XtNutf8Latin1, XtCUtf8Latin1, screen.utf8_latin1, False),
Bres(XtNutf8Title, XtCUtf8Title, screen.utf8_title, False),
Bres(XtNvt100Graphics, XtCVT100Graphics, screen.vt100_graphics, True),
Bres(XtNwideChars, XtCWideChars, screen.wide_chars, False),
Ires(XtNcombiningChars, XtCCombiningChars, screen.max_combining, 2),
Ires(XtNmkSamplePass, XtCMkSamplePass, misc.mk_samplepass, 256),
Ires(XtNmkSampleSize, XtCMkSampleSize, misc.mk_samplesize, 1024),
Sres(XtNutf8, XtCUtf8, screen.utf8_mode_s, "default"),
Sres(XtNutf8Fonts, XtCUtf8Fonts, screen.utf8_fonts_s, "default"),
Sres(XtNwideBoldFont, XtCWideBoldFont, misc.default_font.f_wb, DEFWIDEBOLDFONT),
Sres(XtNwideFont, XtCWideFont, misc.default_font.f_w, DEFWIDEFONT),
Sres(XtNutf8SelectTypes, XtCUtf8SelectTypes, screen.utf8_select_types, NULL),
#endif
#if OPT_LUIT_PROG
Sres(XtNlocale, XtCLocale, misc.locale_str, "medium"),
Sres(XtNlocaleFilter, XtCLocaleFilter, misc.localefilter, DEFLOCALEFILTER),
#endif
#if OPT_INPUT_METHOD
Sres(XtNximFont, XtCXimFont, misc.f_x, DEFXIMFONT),
#endif
#if OPT_SCROLL_LOCK
Bres(XtNallowScrollLock, XtCAllowScrollLock, screen.allowScrollLock0, False),
#endif
#if OPT_XMC_GLITCH
Bres(XtNxmcInline, XtCXmcInline, screen.xmc_inline, False),
Bres(XtNxmcMoveSGR, XtCXmcMoveSGR, screen.move_sgr_ok, True),
Ires(XtNxmcAttributes, XtCXmcAttributes, screen.xmc_attributes, 1),
Ires(XtNxmcGlitch, XtCXmcGlitch, screen.xmc_glitch, 0),
#endif
#ifdef SCROLLBAR_RIGHT
Bres(XtNrightScrollBar, XtCRightScrollBar, misc.useRight, False),
#endif
#if OPT_RENDERFONT
#define RES_FACESIZE(n) Dres(XtNfaceSize #n, XtCFaceSize #n, misc.face_size[n], "0.0")
RES_FACESIZE(1),
RES_FACESIZE(2),
RES_FACESIZE(3),
RES_FACESIZE(4),
RES_FACESIZE(5),
RES_FACESIZE(6),
Dres(XtNfaceSize, XtCFaceSize, misc.face_size[0], DEFFACESIZE),
Sres(XtNfaceName, XtCFaceName, misc.face_name, DEFFACENAME),
Sres(XtNfaceNameDoublesize, XtCFaceNameDoublesize, misc.face_wide_name, DEFFACENAME),
Sres(XtNrenderFont, XtCRenderFont, misc.render_font_s, "default"),
#endif
};
static Boolean VTSetValues(Widget cur, Widget request, Widget new_arg,
ArgList args, Cardinal *num_args);
static void VTClassInit(void);
static void VTDestroy(Widget w);
static void VTExpose(Widget w, XEvent * event, Region region);
static void VTInitialize(Widget wrequest, Widget new_arg, ArgList args,
Cardinal *num_args);
static void VTRealize(Widget w, XtValueMask * valuemask,
XSetWindowAttributes * values);
static void VTResize(Widget w);
#if OPT_I18N_SUPPORT && OPT_INPUT_METHOD
static void VTInitI18N(XtermWidget);
#endif
#ifdef VMS
globaldef {
"xtermclassrec"
} noshare
#else
static
#endif /* VMS */
WidgetClassRec xtermClassRec =
{
{
/* core_class fields */
(WidgetClass) & widgetClassRec, /* superclass */
"VT100", /* class_name */
sizeof(XtermWidgetRec), /* widget_size */
VTClassInit, /* class_initialize */
NULL, /* class_part_initialize */
False, /* class_inited */
VTInitialize, /* initialize */
NULL, /* initialize_hook */
VTRealize, /* realize */
actionsList, /* actions */
XtNumber(actionsList), /* num_actions */
xterm_resources, /* resources */
XtNumber(xterm_resources), /* num_resources */
NULLQUARK, /* xrm_class */
True, /* compress_motion */
False, /* compress_exposure */
True, /* compress_enterleave */
False, /* visible_interest */
VTDestroy, /* destroy */
VTResize, /* resize */
VTExpose, /* expose */
VTSetValues, /* set_values */
NULL, /* set_values_hook */
XtInheritSetValuesAlmost, /* set_values_almost */
NULL, /* get_values_hook */
NULL, /* accept_focus */
XtVersion, /* version */
NULL, /* callback_offsets */
0, /* tm_table */
XtInheritQueryGeometry, /* query_geometry */
XtInheritDisplayAccelerator, /* display_accelerator */
NULL /* extension */
}
};
#ifdef VMS
globaldef {
"xtermwidgetclass"
}
noshare
#endif /* VMS */
WidgetClass xtermWidgetClass = (WidgetClass) & xtermClassRec;
/*
* Add input-actions for widgets that are overlooked (scrollbar and toolbar):
*
* a) Sometimes the scrollbar passes through translations, sometimes it
* doesn't. We add the KeyPress translations here, just to be sure.
* b) In the normal (non-toolbar) configuration, the xterm widget covers
* almost all of the window. With a toolbar, there's a relatively
* large area that the user would expect to enter keystrokes since the
* program can get the focus.
*/
void
xtermAddInput(Widget w)
{
/* *INDENT-OFF* */
XtActionsRec input_actions[] = {
{ "insert", HandleKeyPressed }, /* alias */
{ "insert-eight-bit", HandleEightBitKeyPressed },
{ "insert-seven-bit", HandleKeyPressed },
{ "secure", HandleSecure },
{ "string", HandleStringEvent },
{ "scroll-back", HandleScrollBack },
{ "scroll-forw", HandleScrollForward },
{ "select-cursor-end", HandleKeyboardSelectEnd },
{ "select-cursor-extend", HandleKeyboardSelectExtend },
{ "select-cursor-start", HandleKeyboardSelectStart },
{ "insert-selection", HandleInsertSelection },
{ "select-start", HandleSelectStart },
{ "select-extend", HandleSelectExtend },
{ "start-extend", HandleStartExtend },
{ "select-end", HandleSelectEnd },
{ "clear-saved-lines", HandleClearSavedLines },
{ "popup-menu", HandlePopupMenu },
{ "bell", HandleBell },
{ "ignore", HandleIgnore },
#if OPT_DABBREV
{ "dabbrev-expand", HandleDabbrevExpand },
#endif
#if OPT_MAXIMIZE
{ "fullscreen", HandleFullscreen },
#endif
#if OPT_SCROLL_LOCK
{ "scroll-lock", HandleScrollLock },
#endif
#if OPT_SHIFT_FONTS
{ "larger-vt-font", HandleLargerFont },
{ "smaller-vt-font", HandleSmallerFont },
#endif
};
/* *INDENT-ON* */
TRACE_TRANS("BEFORE", w);
XtAppAddActions(app_con, input_actions, XtNumber(input_actions));
XtAugmentTranslations(w, XtParseTranslationTable(defaultTranslations));
TRACE_TRANS("AFTER:", w);
#if OPT_EXTRA_PASTE
if (term && term->keyboard.extra_translations)
XtOverrideTranslations((Widget) term, XtParseTranslationTable(term->keyboard.extra_translations));
#endif
}
#if OPT_ISO_COLORS
#ifdef EXP_BOGUS_FG
static Bool
CheckBogusForeground(TScreen * screen, const char *tag)
{
int row = -1, col = -1, pass;
Bool isClear = True;
(void) tag;
for (pass = 0; pass < 2; ++pass) {
row = screen->cur_row;
for (; isClear && (row <= screen->max_row); ++row) {
LineData *ld = getLineData(screen, row)->;
if (ld != 0) {
Char *attribs = ld->attribs;
col = (row == screen->cur_row) ? screen->cur_col : 0;
for (; isClear && (col <= screen->max_col); ++col) {
unsigned flags = attribs[col];
if (pass) {
flags &= ~FG_COLOR;
attribs[col] = (Char) flags;
} else if ((flags & BG_COLOR)) {
isClear = False;
} else if ((flags & FG_COLOR)) {
unsigned ch = ld->charData[col];
isClear = ((ch == ' ') || (ch == 0));
} else {
isClear = False;
}
}
}
}
}
TRACE(("%s checked %d,%d to %d,%d %s pass %d\n",
tag, screen->cur_row, screen->cur_col,
row, col,
isClear && pass ? "cleared" : "unchanged",
pass));
return isClear;
}
#endif
/*
* The terminal's foreground and background colors are set via two mechanisms:
* text (cur_foreground, cur_background values that are passed down to
* XDrawImageString and XDrawString)
* area (X11 graphics context used in XClearArea and XFillRectangle)
*/
void
SGR_Foreground(XtermWidget xw, int color)
{
TScreen *screen = TScreenOf(xw);
Pixel fg;
if (color >= 0) {
UIntSet(xw->flags, FG_COLOR);
} else {
UIntClr(xw->flags, FG_COLOR);
}
fg = getXtermForeground(xw, xw->flags, color);
xw->cur_foreground = color;
setCgsFore(xw, WhichVWin(screen), gcNorm, fg);
setCgsBack(xw, WhichVWin(screen), gcNormReverse, fg);
setCgsFore(xw, WhichVWin(screen), gcBold, fg);
setCgsBack(xw, WhichVWin(screen), gcBoldReverse, fg);
#ifdef EXP_BOGUS_FG
/*
* If we've just turned off the foreground color, check for blank cells
* which have no background color, but do have foreground color. This
* could happen due to setting the foreground color just before scrolling.
*
* Those cells look uncolored, but will confuse ShowCursor(), which looks
* for the colors in the current cell, and will see the foreground color.
* In that case, remove the foreground color from the blank cells.
*/
if (color < 0) {
CheckBogusForeground(screen, "SGR_Foreground");
}
#endif
}
void
SGR_Background(XtermWidget xw, int color)
{
TScreen *screen = TScreenOf(xw);
Pixel bg;
/*
* An indexing operation may have set screen->scroll_amt, which would
* normally result in calling FlushScroll() in WriteText(). However,
* if we're changing the background color now, then the new value
* should not apply to the pending blank lines.
*/
if (screen->scroll_amt && (color != xw->cur_background))
FlushScroll(xw);
if (color >= 0) {
UIntSet(xw->flags, BG_COLOR);
} else {
UIntClr(xw->flags, BG_COLOR);
}
bg = getXtermBackground(xw, xw->flags, color);
xw->cur_background = color;
setCgsBack(xw, WhichVWin(screen), gcNorm, bg);
setCgsFore(xw, WhichVWin(screen), gcNormReverse, bg);
setCgsBack(xw, WhichVWin(screen), gcBold, bg);
setCgsFore(xw, WhichVWin(screen), gcBoldReverse, bg);
}
/* Invoked after updating bold/underline flags, computes the extended color
* index to use for foreground. (See also 'extract_fg()').
*/
static void
setExtendedFG(XtermWidget xw)
{
int fg = xw->sgr_foreground;
if (TScreenOf(xw)->colorAttrMode
|| (fg < 0)) {
fg = MapToColorMode(fg, TScreenOf(xw), xw->flags);
}