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charproc.c
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charproc.c
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/* $XTermId: charproc.c,v 1.627 2005/11/13 23:10:35 tom Exp $ */
/*
* $Xorg: charproc.c,v 1.6 2001/02/09 02:06:02 xorgcvs Exp $
*/
/* $XFree86: xc/programs/xterm/charproc.c,v 3.177 2005/11/13 23:10:35 dickey Exp $ */
/*
Copyright 1999-2004,2005 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_WIDE_CHARS
#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>
#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>
#if OPT_ZICONBEEP || OPT_TOOLBAR
#define HANDLE_STRUCT_NOTIFY 1
#else
#define HANDLE_STRUCT_NOTIFY 0
#endif
static IChar doinput(void);
static int set_character_class(char *s);
static void FromAlternate(TScreen * screen);
static void RequestResize(XtermWidget termw, int rows, int cols, int text);
static void SwitchBufs(TScreen * screen);
static void ToAlternate(TScreen * screen);
static void VTallocbuf(void);
static void WriteText(TScreen * screen,
PAIRED_CHARS(Char * str, Char * str2),
Cardinal len);
static void ansi_modes(XtermWidget termw,
void (*func) (unsigned *p, unsigned mask));
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 termw, void (*func) (unsigned *p, unsigned mask));
static void restoremodes(XtermWidget termw);
static void savemodes(XtermWidget termw);
static void unparseputn(unsigned int n, int fd);
static void window_ops(XtermWidget termw);
#define DoStartBlinking(s) ((s)->cursor_blink ^ (s)->cursor_blink_esc)
#if OPT_BLINK_CURS || OPT_BLINK_TEXT
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_INPUT_METHOD
static void PreeditPosition(TScreen * screen);
#endif
#define DEFAULT -1
#define BELLSUPPRESSMSEC 200
static int nparam;
static ANSI reply;
static int param[NPARAM];
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 char *_Font_Selected_ = "yes"; /* string is arbitrary */
static char defaultTranslations[] =
"\
Shift <KeyPress> Prior:scroll-back(1,halfpage) \n\
Shift <KeyPress> Next:scroll-forw(1,halfpage) \n\
Shift <KeyPress> Select:select-cursor-start() select-cursor-end(PRIMARY, CUT_BUFFER0) \n\
Shift <KeyPress> Insert:insert-selection(PRIMARY, CUT_BUFFER0) \n\
"
#if OPT_SHIFT_FONTS
"\
Shift~Ctrl <KeyPress> KP_Add:larger-vt-font() \n\
Shift Ctrl <KeyPress> KP_Add:smaller-vt-font() \n\
Shift <KeyPress> KP_Subtract:smaller-vt-font() \n\
"
#endif
"\
~Meta <KeyPress>:insert-seven-bit() \n\
Meta <KeyPress>:insert-eight-bit() \n\
!Ctrl <Btn1Down>:popup-menu(mainMenu) \n\
!Lock Ctrl <Btn1Down>:popup-menu(mainMenu) \n\
!Lock Ctrl @Num_Lock <Btn1Down>:popup-menu(mainMenu) \n\
! @Num_Lock Ctrl <Btn1Down>:popup-menu(mainMenu) \n\
~Meta <Btn1Down>:select-start() \n\
~Meta <Btn1Motion>:select-extend() \n\
!Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
!Lock Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
!Lock Ctrl @Num_Lock <Btn2Down>:popup-menu(vtMenu) \n\
! @Num_Lock Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
~Ctrl ~Meta <Btn2Down>:ignore() \n\
Meta <Btn2Down>:clear-saved-lines() \n\
~Ctrl ~Meta <Btn2Up>:insert-selection(PRIMARY, CUT_BUFFER0) \n\
!Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
!Lock Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
!Lock Ctrl @Num_Lock <Btn3Down>:popup-menu(fontMenu) \n\
! @Num_Lock Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
~Ctrl ~Meta <Btn3Down>:start-extend() \n\
~Meta <Btn3Motion>:select-extend() \n\
Ctrl <Btn4Down>:scroll-back(1,halfpage,m) \n\
Lock Ctrl <Btn4Down>:scroll-back(1,halfpage,m) \n\
Lock @Num_Lock Ctrl <Btn4Down>:scroll-back(1,halfpage,m) \n\
@Num_Lock Ctrl <Btn4Down>:scroll-back(1,halfpage,m) \n\
<Btn4Down>:scroll-back(5,line,m) \n\
Ctrl <Btn5Down>:scroll-forw(1,halfpage,m) \n\
Lock Ctrl <Btn5Down>:scroll-forw(1,halfpage,m) \n\
Lock @Num_Lock Ctrl <Btn5Down>:scroll-forw(1,halfpage,m) \n\
@Num_Lock Ctrl <Btn5Down>:scroll-forw(1,halfpage,m) \n\
<Btn5Down>:scroll-forw(5,line,m) \n\
<BtnUp>:select-end(PRIMARY, CUT_BUFFER0) \n\
<BtnDown>:ignore() \
"; /* PROCURA added "Meta <Btn2Down>:clear-saved-lines()" */
/* *INDENT-OFF* */
static XtActionsRec actionsList[] = {
{ "allow-send-events", HandleAllowSends },
{ "bell", HandleBell },
{ "clear-saved-lines", HandleClearSavedLines },
{ "create-menu", HandleCreateMenu },
{ "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-redir", HandlePrintControlMode },
{ "quit", HandleQuit },
{ "redraw", HandleRedraw },
{ "delete-is-del", HandleDeleteIsDEL },
{ "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-cursesemul", HandleCursesEmul },
{ "set-jumpscroll", HandleJumpscroll },
{ "set-old-function-keys", HandleOldFunctionKeys },
{ "set-marginbell", HandleMarginBell },
{ "set-reverse-video", HandleReverseVideo },
{ "set-reversewrap", HandleReverseWrap },
{ "set-scroll-on-key", HandleScrollKey },
{ "set-scroll-on-tty-output", HandleScrollTtyOutput },
{ "set-scrollbar", HandleScrollbar },
{ "set-sun-function-keys", HandleSunFunctionKeys },
{ "set-sun-keyboard", HandleSunKeyboard },
{ "set-titeInhibit", HandleTiteInhibit },
{ "set-visual-bell", HandleSetVisualBell },
{ "set-pop-on-bell", HandleSetPopOnBell },
{ "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_BLINK_CURS
{ "set-cursorblink", HandleCursorBlink },
#endif
#if OPT_BOX_CHARS
{ "set-font-linedrawing", HandleFontBoxChars },
#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_HP_FUNC_KEYS
{ "set-hp-function-keys", HandleHpFunctionKeys },
#endif
#if OPT_LOAD_VTFONTS
{ "load-vt-fonts", HandleLoadVTFonts },
#endif
#if OPT_MAXIMIZE
{ "deiconify", HandleDeIconify },
{ "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_SHIFT_FONTS
{ "larger-vt-font", HandleLargerFont },
{ "smaller-vt-font", HandleSmallerFont },
#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 },
#endif
};
/* *INDENT-ON* */
static XtResource resources[] =
{
Bres(XtNallowSendEvents, XtCAllowSendEvents, screen.allowSendEvent0, False),
Bres(XtNallowWindowOps, XtCAllowWindowOps, screen.allowWindowOp0, True),
Bres(XtNalwaysHighlight, XtCAlwaysHighlight, screen.always_highlight, False),
Bres(XtNappcursorDefault, XtCAppcursorDefault, misc.appcursorDefault, False),
Bres(XtNappkeypadDefault, XtCAppkeypadDefault, misc.appkeypadDefault, 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, True),
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(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(XtNhpLowerleftBugCompat, XtCHpLowerleftBugCompat, screen.hp_ll_bc, False),
Bres(XtNi18nSelections, XtCI18nSelections, screen.i18nSelections, True),
Bres(XtNjumpScroll, XtCJumpScroll, screen.jumpscroll, True),
Bres(XtNloginShell, XtCLoginShell, misc.login_shell, False),
Bres(XtNmarginBell, XtCMarginBell, screen.marginbell, False),
Bres(XtNmetaSendsEscape, XtCMetaSendsEscape, screen.meta_sends_esc, False),
Bres(XtNmultiScroll, XtCMultiScroll, screen.multiscroll, False),
Bres(XtNoldXtermFKeys, XtCOldXtermFKeys, screen.old_fkeys, False),
Bres(XtNpopOnBell, XtCPopOnBell, screen.poponbell, False),
Bres(XtNprinterAutoClose, XtCPrinterAutoClose, screen.printer_autoclose, False),
Bres(XtNprinterExtent, XtCPrinterExtent, screen.printer_extent, False),
Bres(XtNprinterFormFeed, XtCPrinterFormFeed, screen.printer_formfeed, 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(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),
Ires(XtNbellSuppressTime, XtCBellSuppressTime, screen.bellSuppressTime, BELLSUPPRESSMSEC),
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(XtNprinterControlMode, XtCPrinterControlMode,
screen.printer_controlmode, 0),
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(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(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, screen.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
Bres("activeIcon", "ActiveIcon", misc.active_icon, False),
Ires("iconBorderWidth", XtCBorderWidth, misc.icon_border_width, 2),
Fres("iconFont", "IconFont", screen.fnt_icon, XtDefaultFont),
Cres("iconBorderColor", XtCBorderColor, misc.icon_border_pixel, XtDefaultBackground),
#endif /* NO_ACTIVE_ICON */
#if OPT_BLINK_CURS
Bres(XtNcursorBlink, XtCCursorBlink, screen.cursor_blink, False),
#endif
#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(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, True),
#endif
#if OPT_C1_PRINT
Bres(XtNallowC1Printable, XtCAllowC1Printable, screen.c1_printable, False),
#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),
#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"),
#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 */
#if OPT_MOD_FKEYS
Ires(XtNmodifyCursorKeys, XtCModifyCursorKeys,
keyboard.modify_cursor_keys, 2),
#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, screen.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, screen.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
Ires(XtNutf8, XtCUtf8, screen.utf8_mode, uDefault),
Bres(XtNwideChars, XtCWideChars, screen.wide_chars, False),
Bres(XtNmkWidth, XtCMkWidth, misc.mk_width, False),
Bres(XtNcjkWidth, XtCCjkWidth, misc.cjk_width, False),
Bres(XtNvt100Graphics, XtCVT100Graphics, screen.vt100_graphics, True),
Sres(XtNwideBoldFont, XtCWideBoldFont, misc.default_font.f_wb, DEFWIDEBOLDFONT),
Sres(XtNwideFont, XtCWideFont, misc.default_font.f_w, DEFWIDEFONT),
#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_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
Dres(XtNfaceSize, XtCFaceSize, misc.face_size, DEFFACESIZE),
Sres(XtNfaceName, XtCFaceName, misc.face_name, DEFFACENAME),
Sres(XtNfaceNameDoublesize, XtCFaceNameDoublesize, misc.face_wide_name, DEFFACENAME),
Bres(XtNrenderFont, XtCRenderFont, misc.render_font, True),
#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(void);
#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 */
resources, /* resources */
XtNumber(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 */
defaultTranslations, /* 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)
{
#if OPT_TOOLBAR
/* *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_SHIFT_FONTS
{ "larger-vt-font", HandleLargerFont },
{ "smaller-vt-font", HandleSmallerFont },
#endif
};
/* *INDENT-ON* */
XtAppAddActions(app_con, input_actions, XtNumber(input_actions));
#endif
XtAugmentTranslations(w, XtParseTranslationTable(defaultTranslations));
}
#if OPT_ISO_COLORS
/*
* 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(int color)
{
TScreen *screen = &term->screen;
Pixel fg;
if (color >= 0) {
term->flags |= FG_COLOR;
} else {
term->flags &= ~FG_COLOR;
}
fg = getXtermForeground(term->flags, color);
term->cur_foreground = color;
XSetForeground(screen->display, NormalGC(screen), fg);
XSetBackground(screen->display, ReverseGC(screen), fg);
if (NormalGC(screen) != NormalBoldGC(screen)) {
XSetForeground(screen->display, NormalBoldGC(screen), fg);
XSetBackground(screen->display, ReverseBoldGC(screen), fg);
}
}
void
SGR_Background(int color)
{
TScreen *screen = &term->screen;
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 != term->cur_background))
FlushScroll(screen);
if (color >= 0) {
term->flags |= BG_COLOR;
} else {
term->flags &= ~BG_COLOR;
}
bg = getXtermBackground(term->flags, color);
term->cur_background = color;
XSetBackground(screen->display, NormalGC(screen), bg);
XSetForeground(screen->display, ReverseGC(screen), bg);
if (NormalGC(screen) != NormalBoldGC(screen)) {
XSetBackground(screen->display, NormalBoldGC(screen), bg);
XSetForeground(screen->display, ReverseBoldGC(screen), bg);
}
}
/* Invoked after updating bold/underline flags, computes the extended color
* index to use for foreground. (See also 'extract_fg()').
*/
static void
setExtendedFG(void)
{
int fg = term->sgr_foreground;
if (term->screen.colorAttrMode
|| (fg < 0)) {
if (term->screen.colorULMode && (term->flags & UNDERLINE))
fg = COLOR_UL;
if (term->screen.colorBDMode && (term->flags & BOLD))
fg = COLOR_BD;
if (term->screen.colorBLMode && (term->flags & BLINK))
fg = COLOR_BL;
}
/* This implements the IBM PC-style convention of 8-colors, with one
* bit for bold, thus mapping the 0-7 codes to 8-15. It won't make
* much sense for 16-color applications, but we keep it to retain
* compatiblity with ANSI-color applications.
*/
#if OPT_PC_COLORS /* XXXJTL should be settable at runtime (resource or OSC?) */
if (term->screen.boldColors
&& (!term->sgr_extended)
&& (fg >= 0)
&& (fg < 8)
&& (term->flags & BOLD))
fg |= 8;
#endif
SGR_Foreground(fg);
}
/* Invoked after updating inverse flag, computes the extended color
* index to use for background. (See also 'extract_bg()').
*/
static void
setExtendedBG(void)
{
int bg = term->sgr_background;
if (term->screen.colorAttrMode
|| (bg < 0)) {
if (term->screen.colorRVMode && (term->flags & INVERSE))
bg = COLOR_RV;
}
SGR_Background(bg);
}
static void
reset_SGR_Foreground(void)
{
term->sgr_foreground = -1;
term->sgr_extended = 0;
setExtendedFG();
}
static void
reset_SGR_Background(void)
{
term->sgr_background = -1;
setExtendedBG();
}
static void
reset_SGR_Colors(void)
{
reset_SGR_Foreground();
reset_SGR_Background();
}
#endif /* OPT_ISO_COLORS */
void
resetCharsets(TScreen * screen)
{
TRACE(("resetCharsets\n"));
screen->gsets[0] = 'B'; /* ASCII_G */
screen->gsets[1] = 'B'; /* ASCII_G */
screen->gsets[2] = 'B'; /* ASCII_G */
screen->gsets[3] = 'B'; /* ASCII_G */
screen->curgl = 0; /* G0 => GL. */
screen->curgr = 2; /* G2 => GR. */
screen->curss = 0; /* No single shift. */
#if OPT_VT52_MODE
if (screen->vtXX_level == 0)
screen->gsets[1] = '0'; /* Graphics */
#endif
}
/*
* VT300 and up support three ANSI conformance levels, defined according to
* the dpANSI X3.134.1 standard. DEC's manuals equate levels 1 and 2, and
* are unclear. This code is written based on the manuals.
*/
static void
set_ansi_conformance(TScreen * screen, int level)
{
TRACE(("set_ansi_conformance(%d) terminal_id %d, ansi_level %d\n",
level,
screen->terminal_id,
screen->ansi_level));
if (screen->vtXX_level >= 3) {
switch (screen->ansi_level = level) {
case 1:
/* FALLTHRU */
case 2:
screen->gsets[0] = 'B'; /* G0 is ASCII */
screen->gsets[1] = 'B'; /* G1 is ISO Latin-1 (FIXME) */
screen->curgl = 0;
screen->curgr = 1;
break;
case 3:
screen->gsets[0] = 'B'; /* G0 is ASCII */
screen->curgl = 0;
break;
}
}
}
/*
* Set scrolling margins. VTxxx terminals require that the top/bottom are
* different, so we have at least two lines in the scrolling region.
*/
void
set_tb_margins(TScreen * screen, int top, int bottom)
{
TRACE(("set_tb_margins %d..%d, prior %d..%d\n",
top, bottom,
screen->top_marg,
screen->bot_marg));
if (bottom > top) {
screen->top_marg = top;
screen->bot_marg = bottom;
}
if (screen->top_marg > screen->max_row)
screen->top_marg = screen->max_row;
if (screen->bot_marg > screen->max_row)
screen->bot_marg = screen->max_row;
}
void
set_max_col(TScreen * screen, int cols)
{
TRACE(("set_max_col %d, prior %d\n", cols, screen->max_col));
if (cols < 0)
cols = 0;
screen->max_col = cols;
}
void
set_max_row(TScreen * screen, int rows)
{