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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/xterm/charproc.c.NX.original
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/programs/xterm/charproc.c.NX.original')
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diff --git a/nx-X11/programs/xterm/charproc.c.NX.original b/nx-X11/programs/xterm/charproc.c.NX.original
new file mode 100644
index 000000000..4ec8a33df
--- /dev/null
+++ b/nx-X11/programs/xterm/charproc.c.NX.original
@@ -0,0 +1,7300 @@
+/* $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.
+ */
+
+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/. */
+/* */
+/* NX-X11, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present */
+/* software is allowed according to terms specified in the file LICENSE */
+/* which comes in the source distribution. */
+/* */
+/* Check http://www.nomachine.com/licensing.html for applicability. */
+/* */
+/* NX and NoMachine are trademarks of NoMachine S.r.l. */
+/* */
+/* All rights reserved. */
+/* */
+/**************************************************************************/
+
+/* 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)
+{
+ TRACE(("set_max_row %d, prior %d\n", rows, screen->max_row));
+ if (rows < 0)
+ rows = 0;
+ screen->max_row = rows;
+}
+
+#if OPT_TRACE
+#define WHICH_TABLE(name) if (table == name) result = #name
+static char *
+which_table(Const PARSE_T * table)
+{
+ char *result = "?";
+ /* *INDENT-OFF* */
+ WHICH_TABLE (ansi_table);
+ else WHICH_TABLE (csi_table);
+ else WHICH_TABLE (csi2_table);
+ else WHICH_TABLE (csi_ex_table);
+ else WHICH_TABLE (csi_quo_table);
+#if OPT_DEC_LOCATOR
+ else WHICH_TABLE (csi_tick_table);
+#endif
+#if OPT_DEC_RECTOPS
+ else WHICH_TABLE (csi_dollar_table);
+ else WHICH_TABLE (csi_star_table);
+#endif
+ else WHICH_TABLE (dec_table);
+ else WHICH_TABLE (dec2_table);
+ else WHICH_TABLE (dec3_table);
+ else WHICH_TABLE (cigtable);
+ else WHICH_TABLE (eigtable);
+ else WHICH_TABLE (esc_table);
+ else WHICH_TABLE (esc_sp_table);
+ else WHICH_TABLE (scrtable);
+ else WHICH_TABLE (scstable);
+ else WHICH_TABLE (sos_table);
+#if OPT_WIDE_CHARS
+ else WHICH_TABLE (esc_pct_table);
+#endif
+#if OPT_VT52_MODE
+ else WHICH_TABLE (vt52_table);
+ else WHICH_TABLE (vt52_esc_table);
+ else WHICH_TABLE (vt52_ignore_table);
+#endif
+ /* *INDENT-ON* */
+
+ return result;
+}
+#endif
+
+ /* allocate larger buffer if needed/possible */
+#define SafeAlloc(type, area, used, size) \
+ type *new_string = area; \
+ unsigned new_length = size; \
+ if (new_length == 0) { \
+ new_length = 256; \
+ new_string = TypeMallocN(type, new_length); \
+ } else if (used+1 >= new_length) { \
+ new_length = size * 2; \
+ new_string = TypeMallocN(type, new_length); \
+ if (new_string != 0 \
+ && area != 0 \
+ && used != 0) \
+ memcpy(new_string, area, used * sizeof(type)); \
+ }
+
+#define WriteNow() { \
+ unsigned single = 0; \
+ \
+ if (screen->curss) { \
+ dotext(screen, \
+ screen->gsets[(int) (screen->curss)], \
+ print_area, 1); \
+ screen->curss = 0; \
+ single++; \
+ } \
+ if (print_used > single) { \
+ dotext(screen, \
+ screen->gsets[(int) (screen->curgl)], \
+ print_area + single, \
+ print_used - single); \
+ } \
+ print_used = 0; \
+ } \
+
+struct ParseState {
+#if OPT_VT52_MODE
+ Bool vt52_cup;
+#endif
+ Const PARSE_T *groundtable;
+ Const PARSE_T *parsestate;
+ int scstype;
+ Bool private_function; /* distinguish private-mode from standard */
+ int string_mode; /* nonzero iff we're processing a string */
+ int lastchar; /* positive iff we had a graphic character */
+ int nextstate;
+#if OPT_WIDE_CHARS
+ int last_was_wide;
+#endif
+};
+
+static struct ParseState myState;
+
+static Boolean
+doparsing(unsigned c, struct ParseState *sp)
+{
+ /* Buffer for processing printable text */
+ static IChar *print_area;
+ static size_t print_size, print_used;
+
+ /* Buffer for processing strings (e.g., OSC ... ST) */
+ static Char *string_area;
+ static size_t string_size, string_used;
+
+ TScreen *screen = &term->screen;
+ int row;
+ int col;
+ int top;
+ int bot;
+ int count;
+ int laststate;
+ int thischar = -1;
+ XTermRect myRect;
+
+ do {
+#if OPT_WIDE_CHARS
+
+ /*
+ * Handle zero-width combining characters. Make it faster by noting
+ * that according to the Unicode charts, the majority of Western
+ * character sets do not use this feature. There are some unassigned
+ * codes at 0x242, but no zero-width characters until past 0x300.
+ */
+ if (c >= 0x300 && screen->wide_chars
+ && my_wcwidth((int) c) == 0) {
+ int prev, precomposed;
+
+ WriteNow();
+
+ prev = getXtermCell(screen,
+ screen->last_written_row,
+ screen->last_written_col);
+ precomposed = do_precomposition(prev, (int) c);
+
+ if (precomposed != -1) {
+ putXtermCell(screen,
+ screen->last_written_row,
+ screen->last_written_col, precomposed);
+ } else {
+ addXtermCombining(screen,
+ screen->last_written_row,
+ screen->last_written_col, c);
+ }
+ if (!screen->scroll_amt)
+ ScrnUpdate(screen,
+ screen->last_written_row,
+ screen->last_written_col, 1, 1, 1);
+ continue;
+ }
+#endif
+
+ /* Intercept characters for printer controller mode */
+ if (screen->printer_controlmode == 2) {
+ if ((c = xtermPrinterControl((int) c)) == 0)
+ continue;
+ }
+
+ /*
+ * VT52 is a little ugly in the one place it has a parameterized
+ * control sequence, since the parameter falls after the character
+ * that denotes the type of sequence.
+ */
+#if OPT_VT52_MODE
+ if (sp->vt52_cup) {
+ if (nparam < NPARAM)
+ param[nparam++] = (c & 0x7f) - 32;
+ if (nparam < 2)
+ continue;
+ sp->vt52_cup = False;
+ if ((row = param[0]) < 0)
+ row = 0;
+ if ((col = param[1]) < 0)
+ col = 0;
+ CursorSet(screen, row, col, term->flags);
+ sp->parsestate = vt52_table;
+ param[0] = 0;
+ param[1] = 0;
+ continue;
+ }
+#endif
+
+ /*
+ * The parsing tables all have 256 entries. If we're supporting
+ * wide characters, we handle them by treating them the same as
+ * printing characters.
+ */
+ laststate = sp->nextstate;
+#if OPT_WIDE_CHARS
+ if (c > 255) {
+ if (sp->parsestate == sp->groundtable) {
+ sp->nextstate = CASE_PRINT;
+ } else if (sp->parsestate == sos_table) {
+ c &= 0xffff;
+ if (c > 255) {
+ TRACE(("Found code > 255 while in SOS state: %04X\n", c));
+ c = '?';
+ }
+ } else {
+ sp->nextstate = CASE_GROUND_STATE;
+ }
+ } else
+#endif
+ sp->nextstate = sp->parsestate[E2A(c)];
+
+#if OPT_BROKEN_OSC
+ /*
+ * Linux console palette escape sequences start with an OSC, but do
+ * not terminate correctly. Some scripts do not check before writing
+ * them, making xterm appear to hang (it's awaiting a valid string
+ * terminator). Just ignore these if we see them - there's no point
+ * in emulating bad code.
+ */
+ if (screen->brokenLinuxOSC
+ && sp->parsestate == sos_table) {
+ if (string_used) {
+ switch (string_area[0]) {
+ case 'P':
+ if (string_used <= 7)
+ break;
+ /* FALLTHRU */
+ case 'R':
+ sp->parsestate = sp->groundtable;
+ sp->nextstate = sp->parsestate[E2A(c)];
+ TRACE(("Reset to ground state (brokenLinuxOSC)\n"));
+ break;
+ }
+ }
+ }
+#endif
+
+#if OPT_BROKEN_ST
+ /*
+ * Before patch #171, carriage control embedded within an OSC string
+ * would terminate it. Some (buggy, of course) applications rely on
+ * this behavior. Accommodate them by allowing one to compile xterm
+ * and emulate the old behavior.
+ */
+ if (screen->brokenStringTerm
+ && sp->parsestate == sos_table
+ && c < 32) {
+ switch (c) {
+ case 5: /* FALLTHRU */
+ case 8: /* FALLTHRU */
+ case 9: /* FALLTHRU */
+ case 10: /* FALLTHRU */
+ case 11: /* FALLTHRU */
+ case 12: /* FALLTHRU */
+ case 13: /* FALLTHRU */
+ case 14: /* FALLTHRU */
+ case 15: /* FALLTHRU */
+ case 24:
+ sp->parsestate = sp->groundtable;
+ sp->nextstate = sp->parsestate[E2A(c)];
+ TRACE(("Reset to ground state (brokenStringTerm)\n"));
+ break;
+ }
+ }
+#endif
+
+#if OPT_C1_PRINT
+ /*
+ * This is not completely foolproof, but will allow an application
+ * with values in the C1 range to use them as printable characters,
+ * provided that they are not intermixed with an escape sequence.
+ */
+ if (screen->c1_printable
+ && (c >= 128 && c < 160)) {
+ sp->nextstate = (sp->parsestate == esc_table
+ ? CASE_ESC_IGNORE
+ : sp->parsestate[E2A(160)]);
+ }
+#endif
+
+#if OPT_WIDE_CHARS
+ /*
+ * If we have a C1 code and the c1_printable flag is not set, simply
+ * ignore it when it was translated from UTF-8. That is because the
+ * value could not have been present as-is in the UTF-8.
+ *
+ * To see that CASE_IGNORE is a consistent value, note that it is
+ * always used for NUL and other uninteresting C0 controls.
+ */
+#if OPT_C1_PRINT
+ if (!screen->c1_printable)
+#endif
+ if (screen->wide_chars
+ && (c >= 128 && c < 160)) {
+ sp->nextstate = CASE_IGNORE;
+ }
+
+ /*
+ * If this character is a different width than the last one, put the
+ * previous text into the buffer and draw it now.
+ */
+ if (iswide((int) c) != sp->last_was_wide) {
+ WriteNow();
+ }
+#endif
+
+ /*
+ * Accumulate string for printable text. This may be 8/16-bit
+ * characters.
+ */
+ if (sp->nextstate == CASE_PRINT) {
+ SafeAlloc(IChar, print_area, print_used, print_size);
+ if (new_string == 0) {
+ fprintf(stderr,
+ "Cannot allocate %u bytes for printable text\n",
+ new_length);
+ continue;
+ }
+#if OPT_VT52_MODE
+ /*
+ * Strip output text to 7-bits for VT52. We should do this for
+ * VT100 also (which is a 7-bit device), but xterm has been
+ * doing this for so long we shouldn't change this behavior.
+ */
+ if (screen->vtXX_level < 1)
+ c &= 0x7f;
+#endif
+ print_area = new_string;
+ print_size = new_length;
+ print_area[print_used++] = sp->lastchar = thischar = c;
+#if OPT_WIDE_CHARS
+ sp->last_was_wide = iswide((int) c);
+#endif
+ if (morePtyData(screen, VTbuffer)) {
+ continue;
+ }
+ }
+
+ if (sp->nextstate == CASE_PRINT
+ || (laststate == CASE_PRINT && print_used)) {
+ WriteNow();
+ }
+
+ /*
+ * Accumulate string for APC, DCS, PM, OSC, SOS controls
+ * This should always be 8-bit characters.
+ */
+ if (sp->parsestate == sos_table) {
+ SafeAlloc(Char, string_area, string_used, string_size);
+ if (new_string == 0) {
+ fprintf(stderr,
+ "Cannot allocate %u bytes for string mode %d\n",
+ new_length, sp->string_mode);
+ continue;
+ }
+#if OPT_WIDE_CHARS
+ /*
+ * We cannot display codes above 255, but let's try to
+ * accommodate the application a little by not aborting the
+ * string.
+ */
+ if ((c & 0xffff) > 255) {
+ sp->nextstate = CASE_PRINT;
+ c = '?';
+ }
+#endif
+ string_area = new_string;
+ string_size = new_length;
+ string_area[string_used++] = c;
+ } else if (sp->parsestate != esc_table) {
+ /* if we were accumulating, we're not any more */
+ sp->string_mode = 0;
+ string_used = 0;
+ }
+
+ TRACE(("parse %04X -> %d %s\n", c, sp->nextstate, which_table(sp->parsestate)));
+
+ switch (sp->nextstate) {
+ case CASE_PRINT:
+ TRACE(("CASE_PRINT - printable characters\n"));
+ break;
+
+ case CASE_GROUND_STATE:
+ TRACE(("CASE_GROUND_STATE - exit ignore mode\n"));
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_IGNORE:
+ TRACE(("CASE_IGNORE - Ignore character %02X\n", c));
+ break;
+
+ case CASE_ENQ:
+ TRACE(("CASE_ENQ - answerback\n"));
+ for (count = 0; screen->answer_back[count] != 0; count++)
+ unparseputc(screen->answer_back[count], screen->respond);
+ break;
+
+ case CASE_BELL:
+ TRACE(("CASE_BELL - bell\n"));
+ if (sp->string_mode == OSC) {
+ if (string_used)
+ string_area[--string_used] = '\0';
+ do_osc(string_area, string_used, (int) c);
+ sp->parsestate = sp->groundtable;
+ } else {
+ /* bell */
+ Bell(XkbBI_TerminalBell, 0);
+ }
+ break;
+
+ case CASE_BS:
+ TRACE(("CASE_BS - backspace\n"));
+ CursorBack(screen, 1);
+ break;
+
+ case CASE_CR:
+ /* CR */
+ CarriageReturn(screen);
+ break;
+
+ case CASE_ESC:
+ if_OPT_VT52_MODE(screen, {
+ sp->parsestate = vt52_esc_table;
+ break;
+ });
+ sp->parsestate = esc_table;
+ break;
+
+#if OPT_VT52_MODE
+ case CASE_VT52_CUP:
+ TRACE(("CASE_VT52_CUP - VT52 cursor addressing\n"));
+ sp->vt52_cup = True;
+ nparam = 0;
+ break;
+
+ case CASE_VT52_IGNORE:
+ TRACE(("CASE_VT52_IGNORE - VT52 ignore-character\n"));
+ sp->parsestate = vt52_ignore_table;
+ break;
+#endif
+
+ case CASE_VMOT:
+ /*
+ * form feed, line feed, vertical tab
+ */
+ xtermAutoPrint((int) c);
+ xtermIndex(screen, 1);
+ if (term->flags & LINEFEED)
+ CarriageReturn(screen);
+ do_xevents();
+ break;
+
+ case CASE_CBT:
+ /* cursor backward tabulation */
+ if ((count = param[0]) == DEFAULT)
+ count = 1;
+ while ((count-- > 0)
+ && (TabToPrevStop(screen))) ;
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_CHT:
+ /* cursor forward tabulation */
+ if ((count = param[0]) == DEFAULT)
+ count = 1;
+ while ((count-- > 0)
+ && (TabToNextStop(screen))) ;
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_TAB:
+ /* tab */
+ TabToNextStop(screen);
+ break;
+
+ case CASE_SI:
+ screen->curgl = 0;
+ if_OPT_VT52_MODE(screen, {
+ sp->parsestate = sp->groundtable;
+ });
+ break;
+
+ case CASE_SO:
+ screen->curgl = 1;
+ if_OPT_VT52_MODE(screen, {
+ sp->parsestate = sp->groundtable;
+ });
+ break;
+
+ case CASE_DECDHL:
+ xterm_DECDHL(c == '3');
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECSWL:
+ xterm_DECSWL();
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECDWL:
+ xterm_DECDWL();
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_SCR_STATE:
+ /* enter scr state */
+ sp->parsestate = scrtable;
+ break;
+
+ case CASE_SCS0_STATE:
+ /* enter scs state 0 */
+ sp->scstype = 0;
+ sp->parsestate = scstable;
+ break;
+
+ case CASE_SCS1_STATE:
+ /* enter scs state 1 */
+ sp->scstype = 1;
+ sp->parsestate = scstable;
+ break;
+
+ case CASE_SCS2_STATE:
+ /* enter scs state 2 */
+ sp->scstype = 2;
+ sp->parsestate = scstable;
+ break;
+
+ case CASE_SCS3_STATE:
+ /* enter scs state 3 */
+ sp->scstype = 3;
+ sp->parsestate = scstable;
+ break;
+
+ case CASE_ESC_IGNORE:
+ /* unknown escape sequence */
+ sp->parsestate = eigtable;
+ break;
+
+ case CASE_ESC_DIGIT:
+ /* digit in csi or dec mode */
+ if ((row = param[nparam - 1]) == DEFAULT)
+ row = 0;
+ param[nparam - 1] = 10 * row + (c - '0');
+ if (param[nparam - 1] > 65535)
+ param[nparam - 1] = 65535;
+ if (sp->parsestate == csi_table)
+ sp->parsestate = csi2_table;
+ break;
+
+ case CASE_ESC_SEMI:
+ /* semicolon in csi or dec mode */
+ if (nparam < NPARAM)
+ param[nparam++] = DEFAULT;
+ if (sp->parsestate == csi_table)
+ sp->parsestate = csi2_table;
+ break;
+
+ case CASE_DEC_STATE:
+ /* enter dec mode */
+ sp->parsestate = dec_table;
+ break;
+
+ case CASE_DEC2_STATE:
+ /* enter dec2 mode */
+ sp->parsestate = dec2_table;
+ break;
+
+ case CASE_DEC3_STATE:
+ /* enter dec3 mode */
+ sp->parsestate = dec3_table;
+ break;
+
+ case CASE_ICH:
+ TRACE(("CASE_ICH - insert char\n"));
+ if ((row = param[0]) < 1)
+ row = 1;
+ InsertChar(screen, (unsigned) row);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_CUU:
+ TRACE(("CASE_CUU - cursor up\n"));
+ if ((row = param[0]) < 1)
+ row = 1;
+ CursorUp(screen, row);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_CUD:
+ TRACE(("CASE_CUD - cursor down\n"));
+ if ((row = param[0]) < 1)
+ row = 1;
+ CursorDown(screen, row);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_CUF:
+ TRACE(("CASE_CUF - cursor forward\n"));
+ if ((col = param[0]) < 1)
+ col = 1;
+ CursorForward(screen, col);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_CUB:
+ TRACE(("CASE_CUB - cursor backward\n"));
+ if ((col = param[0]) < 1)
+ col = 1;
+ CursorBack(screen, col);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_CUP:
+ TRACE(("CASE_CUP - cursor position\n"));
+ if_OPT_XMC_GLITCH(screen, {
+ Jump_XMC(screen);
+ });
+ if ((row = param[0]) < 1)
+ row = 1;
+ if (nparam < 2 || (col = param[1]) < 1)
+ col = 1;
+ CursorSet(screen, row - 1, col - 1, term->flags);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_VPA:
+ TRACE(("CASE_VPA - vertical position\n"));
+ if ((row = param[0]) < 1)
+ row = 1;
+ CursorSet(screen, row - 1, screen->cur_col, term->flags);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_HPA:
+ TRACE(("CASE_HPA - horizontal position\n"));
+ if ((col = param[0]) < 1)
+ col = 1;
+ CursorSet(screen, screen->cur_row, col - 1, term->flags);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_HP_BUGGY_LL:
+ TRACE(("CASE_HP_BUGGY_LL\n"));
+ /* Some HP-UX applications have the bug that they
+ assume ESC F goes to the lower left corner of
+ the screen, regardless of what terminfo says. */
+ if (screen->hp_ll_bc)
+ CursorSet(screen, screen->max_row, 0, term->flags);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_ED:
+ TRACE(("CASE_ED - erase display\n"));
+ do_erase_display(screen, param[0], OFF_PROTECT);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_EL:
+ TRACE(("CASE_EL - erase line\n"));
+ do_erase_line(screen, param[0], OFF_PROTECT);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_ECH:
+ TRACE(("CASE_ECH - erase char\n"));
+ /* ECH */
+ ClearRight(screen, param[0] < 1 ? 1 : param[0]);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_IL:
+ TRACE(("CASE_IL - insert line\n"));
+ if ((row = param[0]) < 1)
+ row = 1;
+ InsertLine(screen, row);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DL:
+ TRACE(("CASE_DL - delete line\n"));
+ if ((row = param[0]) < 1)
+ row = 1;
+ DeleteLine(screen, row);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DCH:
+ TRACE(("CASE_DCH - delete char\n"));
+ if ((row = param[0]) < 1)
+ row = 1;
+ DeleteChar(screen, (unsigned) row);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_TRACK_MOUSE:
+ /*
+ * A single parameter other than zero is always scroll-down.
+ * A zero-parameter is used to reset the mouse mode, and is
+ * not useful for scrolling anyway.
+ */
+ if (nparam > 1 || param[0] == 0) {
+ TRACE(("CASE_TRACK_MOUSE\n"));
+ /* Track mouse as long as in window and between
+ * specified rows
+ */
+ TrackMouse(param[0],
+ param[2] - 1, param[1] - 1,
+ param[3] - 1, param[4] - 2);
+ } else {
+ TRACE(("CASE_SD - scroll down\n"));
+ /* SD */
+ if ((count = param[0]) < 1)
+ count = 1;
+ RevScroll(screen, count);
+ do_xevents();
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECID:
+ TRACE(("CASE_DECID\n"));
+ if_OPT_VT52_MODE(screen, {
+ unparseputc(ESC, screen->respond);
+ unparseputc('/', screen->respond);
+ unparseputc('Z', screen->respond);
+ sp->parsestate = sp->groundtable;
+ break;
+ });
+ param[0] = DEFAULT; /* Default ID parameter */
+ /* FALLTHRU */
+ case CASE_DA1:
+ TRACE(("CASE_DA1\n"));
+ if (param[0] <= 0) { /* less than means DEFAULT */
+ count = 0;
+ reply.a_type = CSI;
+ reply.a_pintro = '?';
+
+ /* The first param corresponds to the highest
+ * operating level (i.e., service level) of the
+ * emulation. A DEC terminal can be setup to
+ * respond with a different DA response, but
+ * there's no control sequence that modifies this.
+ * We set it via a resource.
+ */
+ if (screen->terminal_id < 200) {
+ switch (screen->terminal_id) {
+ case 102:
+ reply.a_param[count++] = 6; /* VT102 */
+ break;
+ case 101:
+ reply.a_param[count++] = 1; /* VT101 */
+ reply.a_param[count++] = 0; /* no options */
+ break;
+ default: /* VT100 */
+ reply.a_param[count++] = 1; /* VT100 */
+ reply.a_param[count++] = 2; /* AVO */
+ break;
+ }
+ } else {
+ reply.a_param[count++] = 60 + screen->terminal_id / 100;
+ reply.a_param[count++] = 1; /* 132-columns */
+ reply.a_param[count++] = 2; /* printer */
+ reply.a_param[count++] = 6; /* selective-erase */
+#if OPT_SUNPC_KBD
+ if (term->keyboard.type == keyboardIsVT220)
+#endif
+ reply.a_param[count++] = 8; /* user-defined-keys */
+ reply.a_param[count++] = 9; /* national replacement charsets */
+ reply.a_param[count++] = 15; /* technical characters */
+ if_OPT_ISO_COLORS(screen, {
+ reply.a_param[count++] = 22; /* ANSI color, VT525 */
+ });
+#if OPT_DEC_LOCATOR
+ reply.a_param[count++] = 29; /* ANSI text locator */
+#endif
+ }
+ reply.a_nparam = count;
+ reply.a_inters = 0;
+ reply.a_final = 'c';
+ unparseseq(&reply, screen->respond);
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DA2:
+ TRACE(("CASE_DA2\n"));
+ if (param[0] <= 0) { /* less than means DEFAULT */
+ count = 0;
+ reply.a_type = CSI;
+ reply.a_pintro = '>';
+
+ if (screen->terminal_id >= 200)
+ reply.a_param[count++] = 1; /* VT220 */
+ else
+ reply.a_param[count++] = 0; /* VT100 (nonstandard) */
+ reply.a_param[count++] = XTERM_PATCH; /* Version */
+ reply.a_param[count++] = 0; /* options (none) */
+ reply.a_nparam = count;
+ reply.a_inters = 0;
+ reply.a_final = 'c';
+ unparseseq(&reply, screen->respond);
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECRPTUI:
+ TRACE(("CASE_DECRPTUI\n"));
+ if ((screen->terminal_id >= 400)
+ && (param[0] <= 0)) { /* less than means DEFAULT */
+ unparseputc1(DCS, screen->respond);
+ unparseputc('!', screen->respond);
+ unparseputc('|', screen->respond);
+ unparseputc('0', screen->respond);
+ unparseputc1(ST, screen->respond);
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_TBC:
+ TRACE(("CASE_TBC - tab clear\n"));
+ if ((row = param[0]) <= 0) /* less than means default */
+ TabClear(term->tabs, screen->cur_col);
+ else if (row == 3)
+ TabZonk(term->tabs);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_SET:
+ TRACE(("CASE_SET - set mode\n"));
+ ansi_modes(term, bitset);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_RST:
+ TRACE(("CASE_RST - reset mode\n"));
+ ansi_modes(term, bitclr);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_SGR:
+ for (row = 0; row < nparam; ++row) {
+ if_OPT_XMC_GLITCH(screen, {
+ Mark_XMC(screen, param[row]);
+ });
+ TRACE(("CASE_SGR %d\n", param[row]));
+ switch (param[row]) {
+ case DEFAULT:
+ case 0:
+ term->flags &=
+ ~(INVERSE | BOLD | BLINK | UNDERLINE | INVISIBLE);
+ if_OPT_ISO_COLORS(screen, {
+ reset_SGR_Colors();
+ });
+ break;
+ case 1: /* Bold */
+ term->flags |= BOLD;
+ if_OPT_ISO_COLORS(screen, {
+ setExtendedFG();
+ });
+ break;
+ case 5: /* Blink */
+ term->flags |= BLINK;
+ StartBlinking(screen);
+ if_OPT_ISO_COLORS(screen, {
+ setExtendedFG();
+ });
+ break;
+ case 4: /* Underscore */
+ term->flags |= UNDERLINE;
+ if_OPT_ISO_COLORS(screen, {
+ setExtendedFG();
+ });
+ break;
+ case 7:
+ term->flags |= INVERSE;
+ if_OPT_ISO_COLORS(screen, {
+ setExtendedBG();
+ });
+ break;
+ case 8:
+ term->flags |= INVISIBLE;
+ break;
+ case 22: /* reset 'bold' */
+ term->flags &= ~BOLD;
+ if_OPT_ISO_COLORS(screen, {
+ setExtendedFG();
+ });
+ break;
+ case 24:
+ term->flags &= ~UNDERLINE;
+ if_OPT_ISO_COLORS(screen, {
+ setExtendedFG();
+ });
+ break;
+ case 25: /* reset 'blink' */
+ term->flags &= ~BLINK;
+ if_OPT_ISO_COLORS(screen, {
+ setExtendedFG();
+ });
+ break;
+ case 27:
+ term->flags &= ~INVERSE;
+ if_OPT_ISO_COLORS(screen, {
+ setExtendedBG();
+ });
+ break;
+ case 28:
+ term->flags &= ~INVISIBLE;
+ break;
+ case 30:
+ case 31:
+ case 32:
+ case 33:
+ case 34:
+ case 35:
+ case 36:
+ case 37:
+ if_OPT_ISO_COLORS(screen, {
+ term->sgr_foreground = (param[row] - 30);
+ term->sgr_extended = 0;
+ setExtendedFG();
+ });
+ break;
+ case 38:
+ /* This is more complicated than I'd
+ like, but it should properly eat all
+ the parameters for unsupported modes
+ */
+ if_OPT_ISO_COLORS(screen, {
+ row++;
+ if (row < nparam) {
+ switch (param[row]) {
+ case 5:
+ row++;
+ if (row < nparam &&
+ param[row] < NUM_ANSI_COLORS) {
+ term->sgr_foreground = param[row];
+ term->sgr_extended = 1;
+ setExtendedFG();
+ }
+ break;
+ default:
+ row += 7;
+ break;
+ }
+ }
+ });
+ break;
+ case 39:
+ if_OPT_ISO_COLORS(screen, {
+ reset_SGR_Foreground();
+ });
+ break;
+ case 40:
+ case 41:
+ case 42:
+ case 43:
+ case 44:
+ case 45:
+ case 46:
+ case 47:
+ if_OPT_ISO_COLORS(screen, {
+ term->sgr_background = (param[row] - 40);
+ setExtendedBG();
+ });
+ break;
+ case 48:
+ if_OPT_ISO_COLORS(screen, {
+ row++;
+ if (row < nparam) {
+ switch (param[row]) {
+ case 5:
+ row++;
+ if (row < nparam &&
+ param[row] < NUM_ANSI_COLORS) {
+ term->sgr_background = param[row];
+ setExtendedBG();
+ }
+ break;
+ default:
+ row += 7;
+ break;
+ }
+ }
+ });
+ break;
+ case 49:
+ if_OPT_ISO_COLORS(screen, {
+ reset_SGR_Background();
+ });
+ break;
+ case 90:
+ case 91:
+ case 92:
+ case 93:
+ case 94:
+ case 95:
+ case 96:
+ case 97:
+ if_OPT_AIX_COLORS(screen, {
+ term->sgr_foreground = (param[row] - 90 + 8);
+ term->sgr_extended = 0;
+ setExtendedFG();
+ });
+ break;
+ case 100:
+#if !OPT_AIX_COLORS
+ if_OPT_ISO_COLORS(screen, {
+ reset_SGR_Foreground();
+ reset_SGR_Background();
+ });
+ break;
+#endif
+ case 101:
+ case 102:
+ case 103:
+ case 104:
+ case 105:
+ case 106:
+ case 107:
+ if_OPT_AIX_COLORS(screen, {
+ term->sgr_background = (param[row] - 100 + 8);
+ setExtendedBG();
+ });
+ break;
+ }
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+
+ /* DSR (except for the '?') is a superset of CPR */
+ case CASE_DSR:
+ sp->private_function = True;
+
+ /* FALLTHRU */
+ case CASE_CPR:
+ TRACE(("CASE_CPR - cursor position\n"));
+ count = 0;
+ reply.a_type = CSI;
+ reply.a_pintro = sp->private_function ? '?' : 0;
+ reply.a_inters = 0;
+ reply.a_final = 'n';
+
+ switch (param[0]) {
+ case 5:
+ /* operating status */
+ reply.a_param[count++] = 0; /* (no malfunction ;-) */
+ break;
+ case 6:
+ /* CPR */
+ /* DECXCPR (with page=0) */
+ reply.a_param[count++] = screen->cur_row + 1;
+ reply.a_param[count++] = screen->cur_col + 1;
+ reply.a_final = 'R';
+ break;
+ case 15:
+ /* printer status */
+ reply.a_param[count++] = 13; /* implement printer */
+ break;
+ case 25:
+ /* UDK status */
+ reply.a_param[count++] = 20; /* UDK always unlocked */
+ break;
+ case 26:
+ /* keyboard status */
+ reply.a_param[count++] = 27;
+ reply.a_param[count++] = 1; /* North American */
+ if (screen->terminal_id >= 400) {
+ reply.a_param[count++] = 0; /* ready */
+ reply.a_param[count++] = 0; /* LK201 */
+ }
+ break;
+ case 53:
+ /* Locator status */
+#if OPT_DEC_LOCATOR
+ reply.a_param[count++] = 50; /* locator ready */
+#else
+ reply.a_param[count++] = 53; /* no locator */
+#endif
+ break;
+ }
+
+ if ((reply.a_nparam = count) != 0)
+ unparseseq(&reply, screen->respond);
+
+ sp->parsestate = sp->groundtable;
+ sp->private_function = False;
+ break;
+
+ case CASE_MC:
+ TRACE(("CASE_MC - media control\n"));
+ xtermMediaControl(param[0], False);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DEC_MC:
+ TRACE(("CASE_DEC_MC - DEC media control\n"));
+ xtermMediaControl(param[0], True);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_HP_MEM_LOCK:
+ case CASE_HP_MEM_UNLOCK:
+ TRACE(("%s\n", ((sp->parsestate[c] == CASE_HP_MEM_LOCK)
+ ? "CASE_HP_MEM_LOCK"
+ : "CASE_HP_MEM_UNLOCK")));
+ if (screen->scroll_amt)
+ FlushScroll(screen);
+ if (sp->parsestate[c] == CASE_HP_MEM_LOCK)
+ set_tb_margins(screen, screen->cur_row, screen->bot_marg);
+ else
+ set_tb_margins(screen, 0, screen->bot_marg);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECSTBM:
+ TRACE(("CASE_DECSTBM - set scrolling region\n"));
+ if ((top = param[0]) < 1)
+ top = 1;
+ if (nparam < 2 || (bot = param[1]) == DEFAULT
+ || bot > MaxRows(screen)
+ || bot == 0)
+ bot = MaxRows(screen);
+ if (bot > top) {
+ if (screen->scroll_amt)
+ FlushScroll(screen);
+ set_tb_margins(screen, top - 1, bot - 1);
+ CursorSet(screen, 0, 0, term->flags);
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECREQTPARM:
+ TRACE(("CASE_DECREQTPARM\n"));
+ if (screen->terminal_id < 200) { /* VT102 */
+ if ((row = param[0]) == DEFAULT)
+ row = 0;
+ if (row == 0 || row == 1) {
+ reply.a_type = CSI;
+ reply.a_pintro = 0;
+ reply.a_nparam = 7;
+ reply.a_param[0] = row + 2;
+ reply.a_param[1] = 1; /* no parity */
+ reply.a_param[2] = 1; /* eight bits */
+ reply.a_param[3] = 128; /* transmit 38.4k baud */
+ reply.a_param[4] = 128; /* receive 38.4k baud */
+ reply.a_param[5] = 1; /* clock multiplier ? */
+ reply.a_param[6] = 0; /* STP flags ? */
+ reply.a_inters = 0;
+ reply.a_final = 'x';
+ unparseseq(&reply, screen->respond);
+ }
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECSET:
+ /* DECSET */
+#if OPT_VT52_MODE
+ if (screen->vtXX_level != 0)
+#endif
+ dpmodes(term, bitset);
+ sp->parsestate = sp->groundtable;
+#if OPT_TEK4014
+ if (screen->TekEmu)
+ return False;
+#endif
+ break;
+
+ case CASE_DECRST:
+ /* DECRST */
+ dpmodes(term, bitclr);
+#if OPT_VT52_MODE
+ if (screen->vtXX_level == 0)
+ sp->groundtable = vt52_table;
+ else if (screen->terminal_id >= 100)
+ sp->groundtable = ansi_table;
+#endif
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECALN:
+ TRACE(("CASE_DECALN - alignment test\n"));
+ if (screen->cursor_state)
+ HideCursor();
+ set_tb_margins(screen, 0, screen->max_row);
+ CursorSet(screen, 0, 0, term->flags);
+ xtermParseRect(screen, 0, 0, &myRect);
+ ScrnFillRectangle(screen, &myRect, 'E', 0);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_GSETS:
+ TRACE(("CASE_GSETS(%d) = '%c'\n", sp->scstype, c));
+ if (screen->vtXX_level != 0)
+ screen->gsets[sp->scstype] = c;
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECSC:
+ TRACE(("CASE_DECSC - save cursor\n"));
+ CursorSave(term);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECRC:
+ TRACE(("CASE_DECRC - restore cursor\n"));
+ CursorRestore(term);
+ if_OPT_ISO_COLORS(screen, {
+ setExtendedFG();
+ });
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECKPAM:
+ TRACE(("CASE_DECKPAM\n"));
+ term->keyboard.flags |= MODE_DECKPAM;
+ update_appkeypad();
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECKPNM:
+ TRACE(("CASE_DECKPNM\n"));
+ term->keyboard.flags &= ~MODE_DECKPAM;
+ update_appkeypad();
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_CSI_QUOTE_STATE:
+ sp->parsestate = csi_quo_table;
+ break;
+
+#if OPT_VT52_MODE
+ case CASE_VT52_FINISH:
+ TRACE(("CASE_VT52_FINISH terminal_id %d, vtXX_level %d\n",
+ screen->terminal_id,
+ screen->vtXX_level));
+ if (screen->terminal_id >= 100
+ && screen->vtXX_level == 0) {
+ sp->groundtable =
+ sp->parsestate = ansi_table;
+ screen->vtXX_level = screen->vt52_save_level;
+ screen->curgl = screen->vt52_save_curgl;
+ screen->curgr = screen->vt52_save_curgr;
+ screen->curss = screen->vt52_save_curss;
+ memmove(screen->gsets, screen->vt52_save_gsets, sizeof(screen->gsets));
+ }
+ break;
+#endif
+
+ case CASE_ANSI_LEVEL_1:
+ TRACE(("CASE_ANSI_LEVEL_1\n"));
+ set_ansi_conformance(screen, 1);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_ANSI_LEVEL_2:
+ TRACE(("CASE_ANSI_LEVEL_2\n"));
+ set_ansi_conformance(screen, 2);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_ANSI_LEVEL_3:
+ TRACE(("CASE_ANSI_LEVEL_3\n"));
+ set_ansi_conformance(screen, 3);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECSCL:
+ TRACE(("CASE_DECSCL(%d,%d)\n", param[0], param[1]));
+ if (param[0] >= 61 && param[0] <= 65) {
+ /*
+ * VT300, VT420, VT520 manuals claim that DECSCL does a hard
+ * reset (RIS). VT220 manual states that it is a soft reset.
+ * Perhaps both are right (unlikely). Kermit says it's soft.
+ */
+ VTReset(False, False);
+ screen->vtXX_level = param[0] - 60;
+ if (param[0] > 61) {
+ if (param[1] == 1)
+ show_8bit_control(False);
+ else if (param[1] == 0 || param[1] == 2)
+ show_8bit_control(True);
+ }
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECSCA:
+ TRACE(("CASE_DECSCA\n"));
+ screen->protected_mode = DEC_PROTECT;
+ if (param[0] <= 0 || param[0] == 2)
+ term->flags &= ~PROTECTED;
+ else if (param[0] == 1)
+ term->flags |= PROTECTED;
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECSED:
+ TRACE(("CASE_DECSED\n"));
+ do_erase_display(screen, param[0], DEC_PROTECT);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECSEL:
+ TRACE(("CASE_DECSEL\n"));
+ do_erase_line(screen, param[0], DEC_PROTECT);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_ST:
+ TRACE(("CASE_ST: End of String (%d bytes)\n", string_used));
+ sp->parsestate = sp->groundtable;
+ if (!string_used)
+ break;
+ string_area[--string_used] = '\0';
+ switch (sp->string_mode) {
+ case APC:
+ /* ignored */
+ break;
+ case DCS:
+ do_dcs(string_area, string_used);
+ break;
+ case OSC:
+ do_osc(string_area, string_used, ST);
+ break;
+ case PM:
+ /* ignored */
+ break;
+ case SOS:
+ /* ignored */
+ break;
+ }
+ break;
+
+ case CASE_SOS:
+ TRACE(("CASE_SOS: Start of String\n"));
+ sp->string_mode = SOS;
+ sp->parsestate = sos_table;
+ break;
+
+ case CASE_PM:
+ TRACE(("CASE_PM: Privacy Message\n"));
+ sp->string_mode = PM;
+ sp->parsestate = sos_table;
+ break;
+
+ case CASE_DCS:
+ TRACE(("CASE_DCS: Device Control String\n"));
+ sp->string_mode = DCS;
+ sp->parsestate = sos_table;
+ break;
+
+ case CASE_APC:
+ TRACE(("CASE_APC: Application Program Command\n"));
+ sp->string_mode = APC;
+ sp->parsestate = sos_table;
+ break;
+
+ case CASE_SPA:
+ TRACE(("CASE_SPA - start protected area\n"));
+ screen->protected_mode = ISO_PROTECT;
+ term->flags |= PROTECTED;
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_EPA:
+ TRACE(("CASE_EPA - end protected area\n"));
+ term->flags &= ~PROTECTED;
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_SU:
+ TRACE(("CASE_SU - scroll up\n"));
+ if ((count = param[0]) < 1)
+ count = 1;
+ xtermScroll(screen, count);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_IND:
+ TRACE(("CASE_IND - index\n"));
+ xtermIndex(screen, 1);
+ do_xevents();
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_CPL:
+ TRACE(("CASE_CPL - cursor prev line\n"));
+ CursorPrevLine(screen, param[0]);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_CNL:
+ TRACE(("CASE_NPL - cursor next line\n"));
+ CursorNextLine(screen, param[0]);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_NEL:
+ TRACE(("CASE_NEL\n"));
+ xtermIndex(screen, 1);
+ CarriageReturn(screen);
+ do_xevents();
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_HTS:
+ TRACE(("CASE_HTS - horizontal tab set\n"));
+ TabSet(term->tabs, screen->cur_col);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_RI:
+ TRACE(("CASE_RI - reverse index\n"));
+ RevIndex(screen, 1);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_SS2:
+ TRACE(("CASE_SS2\n"));
+ screen->curss = 2;
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_SS3:
+ TRACE(("CASE_SS3\n"));
+ screen->curss = 3;
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_CSI_STATE:
+ /* enter csi state */
+ nparam = 1;
+ param[0] = DEFAULT;
+ sp->parsestate = csi_table;
+ break;
+
+ case CASE_ESC_SP_STATE:
+ /* esc space */
+ sp->parsestate = esc_sp_table;
+ break;
+
+ case CASE_CSI_EX_STATE:
+ /* csi exclamation */
+ sp->parsestate = csi_ex_table;
+ break;
+
+#if OPT_DEC_LOCATOR
+ case CASE_CSI_TICK_STATE:
+ /* csi tick (') */
+ sp->parsestate = csi_tick_table;
+ break;
+
+ case CASE_DECEFR:
+ TRACE(("CASE_DECEFR - Enable Filter Rectangle\n"));
+ if (screen->send_mouse_pos == DEC_LOCATOR) {
+ MotionOff(screen, term);
+ if ((screen->loc_filter_top = param[0]) < 1)
+ screen->loc_filter_top = LOC_FILTER_POS;
+ if (nparam < 2 || (screen->loc_filter_left = param[1]) < 1)
+ screen->loc_filter_left = LOC_FILTER_POS;
+ if (nparam < 3 || (screen->loc_filter_bottom = param[2]) < 1)
+ screen->loc_filter_bottom = LOC_FILTER_POS;
+ if (nparam < 4 || (screen->loc_filter_right = param[3]) < 1)
+ screen->loc_filter_right = LOC_FILTER_POS;
+ InitLocatorFilter(term);
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECELR:
+ MotionOff(screen, term);
+ if (param[0] <= 0 || param[0] > 2) {
+ screen->send_mouse_pos = MOUSE_OFF;
+ TRACE(("DECELR - Disable Locator Reports\n"));
+ } else {
+ TRACE(("DECELR - Enable Locator Reports\n"));
+ screen->send_mouse_pos = DEC_LOCATOR;
+ if (param[0] == 2) {
+ screen->locator_reset = True;
+ } else {
+ screen->locator_reset = False;
+ }
+ if (nparam < 2 || param[1] != 1) {
+ screen->locator_pixels = False;
+ } else {
+ screen->locator_pixels = True;
+ }
+ screen->loc_filter = False;
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECSLE:
+ TRACE(("DECSLE - Select Locator Events\n"));
+ for (count = 0; count < nparam; ++count) {
+ switch (param[count]) {
+ case DEFAULT:
+ case 0:
+ MotionOff(screen, term);
+ screen->loc_filter = False;
+ screen->locator_events = 0;
+ break;
+ case 1:
+ screen->locator_events |= LOC_BTNS_DN;
+ break;
+ case 2:
+ screen->locator_events &= ~LOC_BTNS_DN;
+ break;
+ case 3:
+ screen->locator_events |= LOC_BTNS_UP;
+ break;
+ case 4:
+ screen->locator_events &= ~LOC_BTNS_UP;
+ break;
+ }
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECRQLP:
+ TRACE(("DECRQLP - Request Locator Position\n"));
+ if (param[0] < 2) {
+ /* Issue DECLRP Locator Position Report */
+ GetLocatorPosition(term);
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+#endif /* OPT_DEC_LOCATOR */
+
+#if OPT_DEC_RECTOPS
+ case CASE_CSI_DOLLAR_STATE:
+ /* csi dollar ($) */
+ if (screen->vtXX_level >= 4)
+ sp->parsestate = csi_dollar_table;
+ else
+ sp->parsestate = eigtable;
+ break;
+
+ case CASE_CSI_STAR_STATE:
+ /* csi dollar (*) */
+ if (screen->vtXX_level >= 4)
+ sp->parsestate = csi_star_table;
+ else
+ sp->parsestate = eigtable;
+ break;
+
+ case CASE_DECCRA:
+ TRACE(("CASE_DECCRA - Copy rectangular area\n"));
+ xtermParseRect(screen, nparam, param, &myRect);
+ ScrnCopyRectangle(screen, &myRect, nparam - 5, param + 5);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECERA:
+ TRACE(("CASE_DECERA - Erase rectangular area\n"));
+ xtermParseRect(screen, nparam, param, &myRect);
+ ScrnFillRectangle(screen, &myRect, ' ', 0);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECFRA:
+ TRACE(("CASE_DECFRA - Fill rectangular area\n"));
+ if (nparam > 0
+ && ((param[0] >= 32 && param[0] <= 126)
+ || (param[0] >= 160 && param[0] <= 255))) {
+ xtermParseRect(screen, nparam - 1, param + 1, &myRect);
+ ScrnFillRectangle(screen, &myRect, param[0], term->flags);
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECSERA:
+ TRACE(("CASE_DECSERA - Selective erase rectangular area\n"));
+ xtermParseRect(screen, nparam > 4 ? 4 : nparam, param, &myRect);
+ ScrnWipeRectangle(screen, &myRect);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECSACE:
+ TRACE(("CASE_DECSACE - Select attribute change extent\n"));
+ screen->cur_decsace = param[0];
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECCARA:
+ TRACE(("CASE_DECCARA - Change attributes in rectangular area\n"));
+ xtermParseRect(screen, nparam > 4 ? 4 : nparam, param, &myRect);
+ ScrnMarkRectangle(screen, &myRect, False, nparam - 4, param + 4);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECRARA:
+ TRACE(("CASE_DECRARA - Reverse attributes in rectangular area\n"));
+ xtermParseRect(screen, nparam > 4 ? 4 : nparam, param, &myRect);
+ ScrnMarkRectangle(screen, &myRect, True, nparam - 4, param + 4);
+ sp->parsestate = sp->groundtable;
+ break;
+#else
+ case CASE_CSI_DOLLAR_STATE:
+ /* csi dollar ($) */
+ sp->parsestate = eigtable;
+ break;
+
+ case CASE_CSI_STAR_STATE:
+ /* csi dollar (*) */
+ sp->parsestate = eigtable;
+ break;
+#endif /* OPT_DEC_RECTOPS */
+
+ case CASE_S7C1T:
+ TRACE(("CASE_S7C1T\n"));
+ show_8bit_control(False);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_S8C1T:
+ TRACE(("CASE_S8C1T\n"));
+#if OPT_VT52_MODE
+ if (screen->vtXX_level <= 1)
+ break;
+#endif
+ show_8bit_control(True);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_OSC:
+ TRACE(("CASE_OSC: Operating System Command\n"));
+ sp->parsestate = sos_table;
+ sp->string_mode = OSC;
+ break;
+
+ case CASE_RIS:
+ TRACE(("CASE_RIS\n"));
+ VTReset(True, True);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_DECSTR:
+ TRACE(("CASE_DECSTR\n"));
+ VTReset(False, False);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_REP:
+ TRACE(("CASE_REP\n"));
+ if (sp->lastchar >= 0 &&
+ sp->groundtable[E2A(sp->lastchar)] == CASE_PRINT) {
+ IChar repeated[2];
+ count = (param[0] < 1) ? 1 : param[0];
+ repeated[0] = sp->lastchar;
+ while (count-- > 0) {
+ dotext(screen,
+ screen->gsets[(int) (screen->curgl)],
+ repeated, 1);
+ }
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_LS2:
+ TRACE(("CASE_LS2\n"));
+ screen->curgl = 2;
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_LS3:
+ TRACE(("CASE_LS3\n"));
+ screen->curgl = 3;
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_LS3R:
+ TRACE(("CASE_LS3R\n"));
+ screen->curgr = 3;
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_LS2R:
+ TRACE(("CASE_LS2R\n"));
+ screen->curgr = 2;
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_LS1R:
+ TRACE(("CASE_LS1R\n"));
+ screen->curgr = 1;
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_XTERM_SAVE:
+ savemodes(term);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_XTERM_RESTORE:
+ restoremodes(term);
+ sp->parsestate = sp->groundtable;
+ break;
+
+ case CASE_XTERM_WINOPS:
+ TRACE(("CASE_XTERM_WINOPS\n"));
+ if (screen->allowWindowOps)
+ window_ops(term);
+ sp->parsestate = sp->groundtable;
+ break;
+#if OPT_WIDE_CHARS
+ case CASE_ESC_PERCENT:
+ sp->parsestate = esc_pct_table;
+ break;
+
+ case CASE_UTF8:
+ /* If we did not set UTF-8 mode from resource or the
+ * command-line, allow it to be enabled/disabled by
+ * control sequence.
+ */
+ if (!screen->wide_chars) {
+ WriteNow();
+ ChangeToWide(screen);
+ }
+ if (screen->wide_chars
+ && screen->utf8_mode != uAlways) {
+ switchPtyData(screen, c == 'G');
+ TRACE(("UTF8 mode %s\n",
+ BtoS(screen->utf8_mode)));
+ } else {
+ TRACE(("UTF8 mode NOT turned %s (%s)\n",
+ BtoS(c == 'G'),
+ (screen->utf8_mode == uAlways)
+ ? "UTF-8 mode set from command-line"
+ : "wideChars resource was not set"));
+ }
+ sp->parsestate = sp->groundtable;
+ break;
+#endif
+
+ case CASE_CSI_IGNORE:
+ sp->parsestate = cigtable;
+ break;
+ }
+ if (sp->parsestate == sp->groundtable)
+ sp->lastchar = thischar;
+ } while (0);
+
+#if OPT_WIDE_CHARS
+ screen->utf8_inparse = (screen->utf8_mode != uFalse
+ && sp->parsestate != sos_table);
+#endif
+
+ return True;
+}
+
+static void
+VTparse(void)
+{
+ TScreen *screen;
+
+ /* We longjmp back to this point in VTReset() */
+ (void) setjmp(vtjmpbuf);
+ screen = &term->screen;
+ memset(&myState, 0, sizeof(myState));
+#if OPT_VT52_MODE
+ myState.groundtable = screen->vtXX_level ? ansi_table : vt52_table;
+#else
+ myState.groundtable = ansi_table;
+#endif
+ myState.parsestate = myState.groundtable;
+ myState.lastchar = -1; /* not a legal IChar */
+ myState.nextstate = -1; /* not a legal state */
+
+ for (;;) {
+ if (!doparsing(doinput(), &myState))
+ return;
+ }
+}
+
+static Char *v_buffer; /* pointer to physical buffer */
+static Char *v_bufstr = NULL; /* beginning of area to write */
+static Char *v_bufptr; /* end of area to write */
+static Char *v_bufend; /* end of physical buffer */
+
+/* Write data to the pty as typed by the user, pasted with the mouse,
+ or generated by us in response to a query ESC sequence. */
+
+int
+v_write(int f, Char * data, unsigned len)
+{
+ int riten;
+ unsigned c = len;
+
+ if (v_bufstr == NULL && len > 0) {
+ v_buffer = (Char *) XtMalloc(len);
+ v_bufstr = v_buffer;
+ v_bufptr = v_buffer;
+ v_bufend = v_buffer + len;
+ }
+#ifdef DEBUG
+ if (debug) {
+ fprintf(stderr, "v_write called with %d bytes (%d left over)",
+ len, v_bufptr - v_bufstr);
+ if (len > 1 && len < 10)
+ fprintf(stderr, " \"%.*s\"", len, (char *) data);
+ fprintf(stderr, "\n");
+ }
+#endif
+
+#ifdef VMS
+ if ((1 << f) != pty_mask)
+ return (tt_write((char *) data, len));
+#else /* VMS */
+ if (!FD_ISSET(f, &pty_mask))
+ return (write(f, (char *) data, len));
+#endif /* VMS */
+
+ /*
+ * Append to the block we already have.
+ * Always doing this simplifies the code, and
+ * isn't too bad, either. If this is a short
+ * block, it isn't too expensive, and if this is
+ * a long block, we won't be able to write it all
+ * anyway.
+ */
+
+ if (len > 0) {
+#if OPT_DABBREV
+ term->screen.dabbrev_working = 0; /* break dabbrev sequence */
+#endif
+ if (v_bufend < v_bufptr + len) { /* we've run out of room */
+ if (v_bufstr != v_buffer) {
+ /* there is unused space, move everything down */
+ /* possibly overlapping memmove here */
+#ifdef DEBUG
+ if (debug)
+ fprintf(stderr, "moving data down %d\n",
+ v_bufstr - v_buffer);
+#endif
+ memmove(v_buffer, v_bufstr, (unsigned) (v_bufptr - v_bufstr));
+ v_bufptr -= v_bufstr - v_buffer;
+ v_bufstr = v_buffer;
+ }
+ if (v_bufend < v_bufptr + len) {
+ /* still won't fit: get more space */
+ /* Don't use XtRealloc because an error is not fatal. */
+ int size = v_bufptr - v_buffer; /* save across realloc */
+ v_buffer = TypeRealloc(Char, size + len, v_buffer);
+ if (v_buffer) {
+#ifdef DEBUG
+ if (debug)
+ fprintf(stderr, "expanded buffer to %d\n",
+ size + len);
+#endif
+ v_bufstr = v_buffer;
+ v_bufptr = v_buffer + size;
+ v_bufend = v_bufptr + len;
+ } else {
+ /* no memory: ignore entire write request */
+ fprintf(stderr, "%s: cannot allocate buffer space\n",
+ xterm_name);
+ v_buffer = v_bufstr; /* restore clobbered pointer */
+ c = 0;
+ }
+ }
+ }
+ if (v_bufend >= v_bufptr + len) {
+ /* new stuff will fit */
+ memmove(v_bufptr, data, len);
+ v_bufptr += len;
+ }
+ }
+
+ /*
+ * Write out as much of the buffer as we can.
+ * Be careful not to overflow the pty's input silo.
+ * We are conservative here and only write
+ * a small amount at a time.
+ *
+ * If we can't push all the data into the pty yet, we expect write
+ * to return a non-negative number less than the length requested
+ * (if some data written) or -1 and set errno to EAGAIN,
+ * EWOULDBLOCK, or EINTR (if no data written).
+ *
+ * (Not all systems do this, sigh, so the code is actually
+ * a little more forgiving.)
+ */
+
+#define MAX_PTY_WRITE 128 /* 1/2 POSIX minimum MAX_INPUT */
+
+ if (v_bufptr > v_bufstr) {
+#ifdef VMS
+ riten = tt_write(v_bufstr,
+ ((v_bufptr - v_bufstr <= VMS_TERM_BUFFER_SIZE)
+ ? v_bufptr - v_bufstr
+ : VMS_TERM_BUFFER_SIZE));
+ if (riten == 0)
+ return (riten);
+#else /* VMS */
+ riten = write(f, v_bufstr,
+ (size_t) ((v_bufptr - v_bufstr <= MAX_PTY_WRITE)
+ ? v_bufptr - v_bufstr
+ : MAX_PTY_WRITE));
+ if (riten < 0)
+#endif /* VMS */
+ {
+#ifdef DEBUG
+ if (debug)
+ perror("write");
+#endif
+ riten = 0;
+ }
+#ifdef DEBUG
+ if (debug)
+ fprintf(stderr, "write called with %d, wrote %d\n",
+ v_bufptr - v_bufstr <= MAX_PTY_WRITE ?
+ v_bufptr - v_bufstr : MAX_PTY_WRITE,
+ riten);
+#endif
+ v_bufstr += riten;
+ if (v_bufstr >= v_bufptr) /* we wrote it all */
+ v_bufstr = v_bufptr = v_buffer;
+ }
+
+ /*
+ * If we have lots of unused memory allocated, return it
+ */
+ if (v_bufend - v_bufptr > 1024) { /* arbitrary hysteresis */
+ /* save pointers across realloc */
+ int start = v_bufstr - v_buffer;
+ int size = v_bufptr - v_buffer;
+ unsigned allocsize = (unsigned) (size ? size : 1);
+
+ v_buffer = TypeRealloc(Char, allocsize, v_buffer);
+ if (v_buffer) {
+ v_bufstr = v_buffer + start;
+ v_bufptr = v_buffer + size;
+ v_bufend = v_buffer + allocsize;
+#ifdef DEBUG
+ if (debug)
+ fprintf(stderr, "shrunk buffer to %d\n", allocsize);
+#endif
+ } else {
+ /* should we print a warning if couldn't return memory? */
+ v_buffer = v_bufstr - start; /* restore clobbered pointer */
+ }
+ }
+ return (c);
+}
+
+#ifdef VMS
+#define ptymask() (v_bufptr > v_bufstr ? pty_mask : 0)
+
+static void
+in_put(void)
+{
+ static PtySelect select_mask;
+ static PtySelect write_mask;
+ int update = VTbuffer->update;
+ int size;
+
+ int status;
+ Dimension replyWidth, replyHeight;
+ XtGeometryResult stat;
+
+ TScreen *screen = &term->screen;
+ char *cp;
+ int i;
+
+ select_mask = pty_mask; /* force initial read */
+ for (;;) {
+
+ /* if the terminal changed size, resize the widget */
+ if (tt_changed) {
+ tt_changed = False;
+
+ stat = XtMakeResizeRequest((Widget) term,
+ ((Dimension) FontWidth(screen)
+ * (tt_width)
+ + 2 * screen->border
+ + screen->fullVwin.sb_info.width),
+ ((Dimension) FontHeight(screen)
+ * (tt_length)
+ + 2 * screen->border),
+ &replyWidth, &replyHeight);
+
+ if (stat == XtGeometryYes || stat == XtGeometryDone) {
+ term->core.width = replyWidth;
+ term->core.height = replyHeight;
+
+ ScreenResize(&term->screen, replyWidth, replyHeight,
+ &term->flags);
+ }
+ repairSizeHints();
+ }
+
+ if (eventMode == NORMAL
+ && readPtyData(screen, &select_mask, VTbuffer)) {
+ if (screen->scrollWidget
+ && screen->scrollttyoutput
+ && screen->topline < 0)
+ /* Scroll to bottom */
+ WindowScroll(screen, 0);
+ break;
+ }
+ if (screen->scroll_amt)
+ FlushScroll(screen);
+ if (screen->cursor_set && CursorMoved(screen)) {
+ if (screen->cursor_state)
+ HideCursor();
+ ShowCursor();
+#if OPT_INPUT_METHOD
+ PreeditPosition(screen);
+#endif
+ } else if (screen->cursor_set != screen->cursor_state) {
+ if (screen->cursor_set)
+ ShowCursor();
+ else
+ HideCursor();
+ }
+
+ if (QLength(screen->display)) {
+ select_mask = X_mask;
+ } else {
+ write_mask = ptymask();
+ XFlush(screen->display);
+ select_mask = Select_mask;
+ if (eventMode != NORMAL)
+ select_mask = X_mask;
+ }
+ if (write_mask & ptymask()) {
+ v_write(screen->respond, 0, 0); /* flush buffer */
+ }
+
+ if (select_mask & X_mask) {
+ xevents();
+ if (VTbuffer->update != update)
+ break;
+ }
+ }
+}
+#else /* VMS */
+
+static void
+in_put(void)
+{
+ static PtySelect select_mask;
+ static PtySelect write_mask;
+
+ TScreen *screen = &term->screen;
+ int i, time_select;
+ int size;
+ int update = VTbuffer->update;
+
+ static struct timeval select_timeout;
+
+#if OPT_BLINK_CURS
+ /*
+ * Compute the timeout for the blinking cursor to be much smaller than
+ * the "on" or "off" interval.
+ */
+ int tick = ((screen->blink_on < screen->blink_off)
+ ? screen->blink_on
+ : screen->blink_off);
+ tick *= (1000 / 8); /* 1000 for msec/usec, 8 for "much" smaller */
+ if (tick < 1)
+ tick = 1;
+#endif
+
+ for (;;) {
+ if (eventMode == NORMAL
+ && (size = readPtyData(screen, &select_mask, VTbuffer)) != 0) {
+ if (screen->scrollWidget
+ && screen->scrollttyoutput
+ && screen->topline < 0)
+ WindowScroll(screen, 0); /* Scroll to bottom */
+ /* stop speed reading at some point to look for X stuff */
+ TRACE(("VTbuffer uses %d/%d\n",
+ VTbuffer->last - VTbuffer->buffer,
+ BUF_SIZE));
+ if ((VTbuffer->last - VTbuffer->buffer) > BUF_SIZE) {
+ FD_CLR(screen->respond, &select_mask);
+ break;
+ }
+#if defined(HAVE_SCHED_YIELD)
+ /*
+ * If we've read a full (small/fragment) buffer, let the operating
+ * system have a turn, and we'll resume reading until we've either
+ * read only a fragment of the buffer, or we've filled the large
+ * buffer (see above). Doing this helps keep up with large bursts
+ * of output.
+ */
+ if (size == FRG_SIZE) {
+ select_timeout.tv_sec = 0;
+ i = Select(max_plus1, &select_mask, &write_mask, 0,
+ &select_timeout);
+ if (i > 0) {
+ sched_yield();
+ } else
+ break;
+ } else {
+ break;
+ }
+#else
+ (void) size; /* unused in this branch */
+ break;
+#endif
+ }
+ /* update the screen */
+ if (screen->scroll_amt)
+ FlushScroll(screen);
+ if (screen->cursor_set && CursorMoved(screen)) {
+ if (screen->cursor_state)
+ HideCursor();
+ ShowCursor();
+#if OPT_INPUT_METHOD
+ PreeditPosition(screen);
+#endif
+ } else if (screen->cursor_set != screen->cursor_state) {
+ if (screen->cursor_set)
+ ShowCursor();
+ else
+ HideCursor();
+ }
+
+ XFlush(screen->display); /* always flush writes before waiting */
+
+ /* Update the masks and, unless X events are already in the queue,
+ wait for I/O to be possible. */
+ XFD_COPYSET(&Select_mask, &select_mask);
+ /* in selection mode xterm does not read pty */
+ if (eventMode != NORMAL)
+ FD_CLR(screen->respond, &select_mask);
+
+ if (v_bufptr > v_bufstr) {
+ XFD_COPYSET(&pty_mask, &write_mask);
+ } else
+ FD_ZERO(&write_mask);
+ select_timeout.tv_sec = 0;
+ time_select = 0;
+
+ /*
+ * if there's either an XEvent or an XtTimeout pending, just take
+ * a quick peek, i.e. timeout from the select() immediately. If
+ * there's nothing pending, let select() block a little while, but
+ * for a shorter interval than the arrow-style scrollbar timeout.
+ * The blocking is optional, because it tends to increase the load
+ * on the host.
+ */
+ if (XtAppPending(app_con)) {
+ select_timeout.tv_usec = 0;
+ time_select = 1;
+ } else if (screen->awaitInput) {
+ select_timeout.tv_usec = 50000;
+ time_select = 1;
+#if OPT_BLINK_CURS
+ } else if ((screen->blink_timer != 0 &&
+ ((screen->select & FOCUS) || screen->always_highlight)) ||
+ (screen->cursor_state == BLINKED_OFF)) {
+ select_timeout.tv_usec = tick;
+ while (select_timeout.tv_usec > 1000000) {
+ select_timeout.tv_usec -= 1000000;
+ select_timeout.tv_sec++;
+ }
+ time_select = 1;
+#endif
+#if OPT_SESSION_MGT
+ } else if (resource.sessionMgt) {
+ /*
+ * When session management is enabled, we should not block since
+ * session related events can arrive any time.
+ */
+ select_timeout.tv_sec = 1;
+ select_timeout.tv_usec = 0;
+ time_select = 1;
+#endif
+ }
+ if (need_cleanup)
+ Cleanup(0);
+
+#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
+ fprintf(stderr, "xterm::in_put: Select called with [%d][%p][%p][%p][%p].\n",
+ max_plus1, (void *) &select_mask, (void *) &write_mask, (void *) 0,
+ (void *) (time_select ? &select_timeout : 0));
+#endif
+
+ i = Select(max_plus1, &select_mask, &write_mask, 0,
+ (time_select ? &select_timeout : 0));
+ if (i < 0) {
+ if (errno != EINTR)
+ SysError(ERROR_SELECT);
+ continue;
+ }
+
+ /* if there is room to write more data to the pty, go write more */
+ if (FD_ISSET(screen->respond, &write_mask)) {
+ v_write(screen->respond, (Char *) 0, 0); /* flush buffer */
+ }
+
+ /* if there are X events already in our queue, it
+ counts as being readable */
+ if (XtAppPending(app_con) ||
+ FD_ISSET(ConnectionNumber(screen->display), &select_mask)) {
+ xevents();
+ if (VTbuffer->update != update) /* HandleInterpret */
+ break;
+ }
+
+ }
+}
+#endif /* VMS */
+
+static IChar
+doinput(void)
+{
+ TScreen *screen = &term->screen;
+
+ while (!morePtyData(screen, VTbuffer))
+ in_put();
+ return nextPtyData(screen, VTbuffer);
+}
+
+#if OPT_INPUT_METHOD
+/*
+ * For OverTheSpot, client has to inform the position for XIM preedit.
+ */
+static void
+PreeditPosition(TScreen * screen)
+{
+ XPoint spot;
+ XVaNestedList list;
+
+ if (!screen->xic)
+ return;
+ spot.x = CurCursorX(screen, screen->cur_row, screen->cur_col);
+ spot.y = CursorY(screen, screen->cur_row) + screen->fs_ascent;
+ list = XVaCreateNestedList(0,
+ XNSpotLocation, &spot,
+ XNForeground, T_COLOR(screen, TEXT_FG),
+ XNBackground, T_COLOR(screen, TEXT_BG),
+ NULL);
+ XSetICValues(screen->xic, XNPreeditAttributes, list, NULL);
+ XFree(list);
+}
+#endif
+
+/*
+ * process a string of characters according to the character set indicated
+ * by charset. worry about end of line conditions (wraparound if selected).
+ */
+void
+dotext(TScreen * screen,
+ int charset,
+ IChar * buf, /* start of characters to process */
+ Cardinal len) /* end */
+{
+#if OPT_WIDE_CHARS
+ Cardinal chars_chomped = 1;
+#else
+ int next_col, last_col, this_col; /* must be signed */
+#endif
+ Cardinal offset;
+
+#if OPT_WIDE_CHARS
+ /* don't translate if we use UTF-8, and are not handling legacy support
+ * for line-drawing characters.
+ */
+ if ((screen->utf8_mode == uFalse)
+ || (screen->vt100_graphics && charset == '0'))
+#endif
+
+ if (!xtermCharSetOut(buf, buf + len, charset))
+ return;
+
+ if_OPT_XMC_GLITCH(screen, {
+ Cardinal n;
+ if (charset != '?') {
+ for (n = 0; n < len; n++) {
+ if (buf[n] == XMC_GLITCH)
+ buf[n] = XMC_GLITCH + 1;
+ }
+ }
+ });
+
+#if OPT_WIDE_CHARS
+ for (offset = 0;
+ offset < len && (chars_chomped > 0 || screen->do_wrap);
+ offset += chars_chomped) {
+ int width_available = MaxCols(screen) - screen->cur_col;
+ int width_here = 0;
+ int need_wrap = 0;
+ chars_chomped = 0;
+
+ if (screen->do_wrap && (term->flags & WRAPAROUND)) {
+ /* mark that we had to wrap this line */
+ ScrnSetWrapped(screen, screen->cur_row);
+ xtermAutoPrint('\n');
+ xtermIndex(screen, 1);
+ set_cur_col(screen, 0);
+ screen->do_wrap = 0;
+ width_available = MaxCols(screen) - screen->cur_col;
+ }
+
+ while (width_here <= width_available && chars_chomped < (len - offset)) {
+ if (!screen->utf8_mode
+ || (screen->vt100_graphics && charset == '0'))
+ width_here++;
+ else
+ width_here += my_wcwidth((int) buf[chars_chomped + offset]);
+ chars_chomped++;
+ }
+
+ if (width_here > width_available) {
+ chars_chomped--;
+ if (!screen->utf8_mode
+ || (screen->vt100_graphics && charset == '0'))
+ width_here--;
+ else
+ width_here -= my_wcwidth((int) buf[chars_chomped + offset]);
+ need_wrap = 1;
+ } else if (width_here == width_available) {
+ need_wrap = 1;
+ } else if (chars_chomped != (len - offset)) {
+ need_wrap = 1;
+ }
+
+ /*
+ * Split the wide characters back into separate arrays of 8-bit
+ * characters so we can use the existing interface.
+ *
+ * FIXME: If we rewrote this interface, it would involve
+ * rewriting all of the memory-management for the screen
+ * buffers (perhaps this is simpler).
+ */
+ if (chars_chomped != 0) {
+ static unsigned limit;
+ static Char *hibyte, *lobyte;
+ Bool both = False;
+ unsigned j, k;
+
+ if (chars_chomped >= limit) {
+ limit = (chars_chomped + 1) * 2;
+ lobyte = (Char *) XtRealloc((char *) lobyte, limit);
+ hibyte = (Char *) XtRealloc((char *) hibyte, limit);
+ }
+ for (j = offset; j < offset + chars_chomped; j++) {
+ k = j - offset;
+ lobyte[k] = buf[j];
+ if (buf[j] > 255) {
+ hibyte[k] = (buf[j] >> 8);
+ both = True;
+ } else {
+ hibyte[k] = 0;
+ }
+ }
+
+ WriteText(screen, PAIRED_CHARS(lobyte,
+ (both ? hibyte : 0)),
+ chars_chomped);
+ }
+ screen->do_wrap = need_wrap;
+ }
+#else
+
+ for (offset = 0; offset < len; offset += this_col) {
+ last_col = CurMaxCol(screen, screen->cur_row);
+ this_col = last_col - screen->cur_col + 1;
+ if (this_col <= 1) {
+ if (screen->do_wrap && (term->flags & WRAPAROUND)) {
+ /* mark that we had to wrap this line */
+ ScrnSetWrapped(screen, screen->cur_row);
+ xtermAutoPrint('\n');
+ xtermIndex(screen, 1);
+ set_cur_col(screen, 0);
+ screen->do_wrap = 0;
+ this_col = last_col + 1;
+ } else
+ this_col = 1;
+ }
+ if (offset + this_col > len) {
+ this_col = len - offset;
+ }
+ next_col = screen->cur_col + this_col;
+
+ WriteText(screen, PAIRED_CHARS(buf + offset,
+ buf2 ? buf2 + offset : 0),
+ this_col);
+
+ /*
+ * the call to WriteText updates screen->cur_col.
+ * If screen->cur_col != next_col, we must have
+ * hit the right margin, so set the do_wrap flag.
+ */
+ screen->do_wrap = (screen->cur_col < (int) next_col);
+ }
+
+#endif
+}
+
+#if HANDLE_STRUCT_NOTIFY
+/* Flag icon name with "*** " on window output when iconified.
+ * I'd like to do something like reverse video, but I don't
+ * know how to tell this to window managers in general.
+ *
+ * mapstate can be IsUnmapped, !IsUnmapped, or -1;
+ * -1 means no change; the other two are set by event handlers
+ * and indicate a new mapstate. !IsMapped is done in the handler.
+ * we worry about IsUnmapped when output occurs. -IAN!
+ */
+static int mapstate = -1;
+#endif /* HANDLE_STRUCT_NOTIFY */
+
+#if OPT_WIDE_CHARS
+unsigned
+visual_width(PAIRED_CHARS(Char * str, Char * str2), Cardinal len)
+{
+ /* returns the visual width of a string (doublewide characters count
+ as 2, normalwide characters count as 1) */
+ int my_len = 0;
+ while (len) {
+ int ch = *str;
+ if (str2)
+ ch |= *str2 << 8;
+ if (str)
+ str++;
+ if (str2)
+ str2++;
+ if (iswide(ch))
+ my_len += 2;
+ else
+ my_len++;
+ len--;
+ }
+ return my_len;
+}
+#endif
+
+/*
+ * write a string str of length len onto the screen at
+ * the current cursor position. update cursor position.
+ */
+static void
+WriteText(TScreen * screen, PAIRED_CHARS(Char * str, Char * str2), Cardinal len)
+{
+ ScrnPtr PAIRED_CHARS(temp_str = 0, temp_str2 = 0);
+ unsigned test;
+ unsigned flags = term->flags;
+ unsigned fg_bg = makeColorPair(term->cur_foreground, term->cur_background);
+ unsigned cells = visual_width(PAIRED_CHARS(str, str2), len);
+ GC currentGC;
+
+ TRACE(("WriteText (%2d,%2d) (%d) %3d:%s\n",
+ screen->cur_row,
+ screen->cur_col,
+ curXtermChrSet(screen->cur_row),
+ len, visibleChars(PAIRED_CHARS(str, str2), len)));
+
+ if (ScrnHaveSelection(screen)
+ && ScrnIsLineInSelection(screen, screen->cur_row - screen->topline)) {
+ ScrnDisownSelection(screen);
+ }
+
+ if (screen->cur_row - screen->topline <= screen->max_row) {
+ if (screen->cursor_state)
+ HideCursor();
+
+ if (flags & INSERT) {
+ InsertChar(screen, cells);
+ }
+ if (!AddToRefresh(screen)) {
+
+ if (screen->scroll_amt)
+ FlushScroll(screen);
+
+ if (flags & INVISIBLE) {
+ if (cells > len) {
+ str = temp_str = TypeMallocN(Char, cells);
+ if (str == 0)
+ return;
+ }
+ if_OPT_WIDE_CHARS(screen, {
+ if (cells > len) {
+ str2 = temp_str2 = TypeMallocN(Char, cells);
+ }
+ });
+ len = cells;
+
+ memset(str, ' ', len);
+ if_OPT_WIDE_CHARS(screen, {
+ if (str2 != 0)
+ memset(str2, 0, len);
+ });
+ }
+
+ TRACE(("WriteText calling drawXtermText (%d,%d)\n",
+ screen->cur_col,
+ screen->cur_row));
+
+ test = flags;
+ checkVeryBoldColors(test, term->cur_foreground);
+
+ /* make sure that the correct GC is current */
+ currentGC = updatedXtermGC(screen, flags, fg_bg, False);
+
+ drawXtermText(screen, test & DRAWX_MASK, currentGC,
+ CurCursorX(screen, screen->cur_row, screen->cur_col),
+ CursorY(screen, screen->cur_row),
+ curXtermChrSet(screen->cur_row),
+ PAIRED_CHARS(str, str2), len, 0);
+
+ resetXtermGC(screen, flags, False);
+ }
+ }
+
+ ScreenWrite(screen, PAIRED_CHARS(str, str2), flags, fg_bg, len);
+ CursorForward(screen, (int) cells);
+#if OPT_ZICONBEEP
+ /* Flag icon name with "***" on window output when iconified.
+ */
+ if (zIconBeep && mapstate == IsUnmapped && !zIconBeep_flagged) {
+ static char *icon_name;
+ static Arg args[] =
+ {
+ {XtNiconName, (XtArgVal) & icon_name}
+ };
+
+ icon_name = NULL;
+ XtGetValues(toplevel, args, XtNumber(args));
+
+ if (icon_name != NULL) {
+ zIconBeep_flagged = True;
+ Changename(icon_name);
+ }
+ if (zIconBeep > 0) {
+#if defined(HAVE_XKBBELL)
+ XkbBell(XtDisplay(toplevel), VShellWindow, zIconBeep, XkbBI_Info);
+#else
+ XBell(XtDisplay(toplevel), zIconBeep);
+#endif
+ }
+ }
+ mapstate = -1;
+#endif /* OPT_ZICONBEEP */
+ if (temp_str != 0)
+ free(temp_str);
+ if_OPT_WIDE_CHARS(screen, {
+ if (temp_str2 != 0)
+ free(temp_str2);
+ });
+ return;
+}
+
+#if HANDLE_STRUCT_NOTIFY
+/* Flag icon name with "***" on window output when iconified.
+ */
+static void
+HandleStructNotify(Widget w GCC_UNUSED,
+ XtPointer closure GCC_UNUSED,
+ XEvent * event,
+ Boolean * cont GCC_UNUSED)
+{
+ static char *icon_name;
+ static Arg args[] =
+ {
+ {XtNiconName, (XtArgVal) & icon_name}
+ };
+
+ switch (event->type) {
+ case MapNotify:
+ TRACE(("HandleStructNotify(MapNotify)\n"));
+#if OPT_ZICONBEEP
+ if (zIconBeep_flagged) {
+ zIconBeep_flagged = False;
+ icon_name = NULL;
+ XtGetValues(toplevel, args, XtNumber(args));
+ if (icon_name != NULL) {
+ char *buf = CastMallocN(char, strlen(icon_name));
+ if (buf == NULL) {
+ zIconBeep_flagged = True;
+ return;
+ }
+ strcpy(buf, icon_name + 4);
+ Changename(buf);
+ free(buf);
+ }
+ }
+#endif /* OPT_ZICONBEEP */
+ mapstate = !IsUnmapped;
+ break;
+ case UnmapNotify:
+ TRACE(("HandleStructNotify(UnmapNotify)\n"));
+ mapstate = IsUnmapped;
+ break;
+ case ConfigureNotify:
+ TRACE(("HandleStructNotify(ConfigureNotify)\n"));
+#if OPT_TOOLBAR
+ /* the notify is for the top-level widget, but we care about vt100 */
+ if (term->screen.Vshow) {
+ TScreen *screen = &term->screen;
+ struct _vtwin *Vwin = WhichVWin(&(term->screen));
+ TbInfo *info = &(Vwin->tb_info);
+ TbInfo save = *info;
+
+ if (info->menu_bar) {
+ XtVaGetValues(info->menu_bar,
+ XtNheight, &info->menu_height,
+ XtNborderWidth, &info->menu_border,
+ (XtPointer) 0);
+
+ if (save.menu_height != info->menu_height
+ || save.menu_border != info->menu_border) {
+
+ TRACE(("...menu_height %d\n", info->menu_height));
+ TRACE(("...menu_border %d\n", info->menu_border));
+ TRACE(("...had height %d, border %d\n",
+ save.menu_height,
+ save.menu_border));
+
+ /*
+ * FIXME: Window manager still may be using the old values.
+ * Try to fool it.
+ */
+ XtMakeResizeRequest((Widget) term,
+ screen->fullVwin.fullwidth,
+ info->menu_height
+ - save.menu_height
+ + screen->fullVwin.fullheight,
+ NULL, NULL);
+ repairSizeHints();
+ }
+ }
+ }
+#endif /* OPT_TOOLBAR */
+ break;
+ default:
+ TRACE(("HandleStructNotify(event %d)\n", event->type));
+ break;
+ }
+}
+#endif /* HANDLE_STRUCT_NOTIFY */
+
+#if OPT_BLINK_CURS
+static void
+SetCursorBlink(TScreen * screen, int enable)
+{
+ screen->cursor_blink = enable;
+ if (DoStartBlinking(screen)) {
+ StartBlinking(screen);
+ } else {
+#if !OPT_BLINK_TEXT
+ StopBlinking(screen);
+#endif
+ }
+ update_cursorblink();
+}
+
+void
+ToggleCursorBlink(TScreen * screen)
+{
+ SetCursorBlink(screen, !(screen->cursor_blink));
+}
+#endif
+
+/*
+ * process ANSI modes set, reset
+ */
+static void
+ansi_modes(XtermWidget termw,
+ void (*func) (unsigned *p, unsigned mask))
+{
+ int i;
+
+ for (i = 0; i < nparam; ++i) {
+ switch (param[i]) {
+ case 2: /* KAM (if set, keyboard locked */
+ (*func) (&termw->keyboard.flags, MODE_KAM);
+ break;
+
+ case 4: /* IRM */
+ (*func) (&termw->flags, INSERT);
+ break;
+
+ case 12: /* SRM (if set, local echo */
+ (*func) (&termw->keyboard.flags, MODE_SRM);
+ break;
+
+ case 20: /* LNM */
+ (*func) (&termw->flags, LINEFEED);
+ update_autolinefeed();
+ break;
+ }
+ }
+}
+
+#define set_mousemode(mode) \
+ screen->send_mouse_pos = (func == bitset) ? mode : MOUSE_OFF
+#define set_mouseflag(f) \
+ ((func == bitset) \
+ ? SCREEN_FLAG_set(screen, f) \
+ : SCREEN_FLAG_unset(screen, f))
+
+/*
+ * process DEC private modes set, reset
+ */
+static void
+dpmodes(XtermWidget termw,
+ void (*func) (unsigned *p, unsigned mask))
+{
+ TScreen *screen = &termw->screen;
+ int i, j;
+
+ for (i = 0; i < nparam; ++i) {
+ TRACE(("%s %d\n", (func == bitset) ? "DECSET" : "DECRST", param[i]));
+ switch (param[i]) {
+ case 1: /* DECCKM */
+ (*func) (&termw->keyboard.flags, MODE_DECCKM);
+ update_appcursor();
+ break;
+ case 2: /* DECANM - ANSI/VT52 mode */
+ if (func == bitset) { /* ANSI (VT100) */
+ /*
+ * Setting DECANM should have no effect, since this function
+ * cannot be reached from vt52 mode.
+ */
+ ;
+ }
+#if OPT_VT52_MODE
+ else if (screen->terminal_id >= 100) { /* VT52 */
+ TRACE(("DECANM terminal_id %d, vtXX_level %d\n",
+ screen->terminal_id,
+ screen->vtXX_level));
+ screen->vt52_save_level = screen->vtXX_level;
+ screen->vtXX_level = 0;
+ screen->vt52_save_curgl = screen->curgl;
+ screen->vt52_save_curgr = screen->curgr;
+ screen->vt52_save_curss = screen->curss;
+ memmove(screen->vt52_save_gsets, screen->gsets, sizeof(screen->gsets));
+ resetCharsets(screen);
+ nparam = 0; /* ignore the remaining params, if any */
+ }
+#endif
+ break;
+ case 3: /* DECCOLM */
+ if (screen->c132) {
+ ClearScreen(screen);
+ CursorSet(screen, 0, 0, termw->flags);
+ if ((j = func == bitset ? 132 : 80) !=
+ ((termw->flags & IN132COLUMNS) ? 132 : 80) ||
+ j != MaxCols(screen))
+ RequestResize(termw, -1, j, True);
+ (*func) (&termw->flags, IN132COLUMNS);
+ }
+ break;
+ case 4: /* DECSCLM (slow scroll) */
+ if (func == bitset) {
+ screen->jumpscroll = 0;
+ if (screen->scroll_amt)
+ FlushScroll(screen);
+ } else
+ screen->jumpscroll = 1;
+ (*func) (&termw->flags, SMOOTHSCROLL);
+ update_jumpscroll();
+ break;
+ case 5: /* DECSCNM */
+ j = termw->flags;
+ (*func) (&termw->flags, REVERSE_VIDEO);
+ if ((termw->flags ^ j) & REVERSE_VIDEO)
+ ReverseVideo(termw);
+ /* update_reversevideo done in RevVid */
+ break;
+
+ case 6: /* DECOM */
+ (*func) (&termw->flags, ORIGIN);
+ CursorSet(screen, 0, 0, termw->flags);
+ break;
+
+ case 7: /* DECAWM */
+ (*func) (&termw->flags, WRAPAROUND);
+ update_autowrap();
+ break;
+ case 8: /* DECARM */
+ /* ignore autorepeat
+ * XAutoRepeatOn() and XAutoRepeatOff() can do this, but only
+ * for the whole display - not limited to a given window.
+ */
+ break;
+ case SET_X10_MOUSE: /* MIT bogus sequence */
+ MotionOff(screen, termw);
+ set_mousemode(X10_MOUSE);
+ break;
+#if OPT_TOOLBAR
+ case 10: /* rxvt */
+ ShowToolbar(func == bitset);
+ break;
+#endif
+#if OPT_BLINK_CURS
+ case 12: /* att610: Start/stop blinking cursor */
+ if (screen->cursor_blink_res) {
+ screen->cursor_blink_esc = (func == bitset) ? ON : OFF;
+ SetCursorBlink(screen, screen->cursor_blink);
+ }
+ break;
+#endif
+ case 18: /* DECPFF: print form feed */
+ screen->printer_formfeed = (func == bitset) ? ON : OFF;
+ break;
+ case 19: /* DECPEX: print extent */
+ screen->printer_extent = (func == bitset) ? ON : OFF;
+ break;
+ case 25: /* DECTCEM: Show/hide cursor (VT200) */
+ screen->cursor_set = (func == bitset) ? ON : OFF;
+ break;
+ case 30: /* rxvt */
+ if (screen->fullVwin.sb_info.width != ((func == bitset) ? ON : OFF))
+ ToggleScrollBar(termw);
+ break;
+#if OPT_SHIFT_FONTS
+ case 35: /* rxvt */
+ term->misc.shift_fonts = (func == bitset) ? ON : OFF;
+ break;
+#endif
+ case 38: /* DECTEK */
+#if OPT_TEK4014
+ if (func == bitset && !(screen->inhibit & I_TEK)) {
+ FlushLog(screen);
+ screen->TekEmu = True;
+ }
+#endif
+ break;
+ case 40: /* 132 column mode */
+ screen->c132 = (func == bitset);
+ update_allow132();
+ break;
+ case 41: /* curses hack */
+ screen->curses = (func == bitset);
+ update_cursesemul();
+ break;
+ case 42: /* DECNRCM national charset (VT220) */
+ (*func) (&termw->flags, NATIONAL);
+ break;
+ case 44: /* margin bell */
+ screen->marginbell = (func == bitset);
+ if (!screen->marginbell)
+ screen->bellarmed = -1;
+ update_marginbell();
+ break;
+ case 45: /* reverse wraparound */
+ (*func) (&termw->flags, REVERSEWRAP);
+ update_reversewrap();
+ break;
+#ifdef ALLOWLOGGING
+ case 46: /* logging */
+#ifdef ALLOWLOGFILEONOFF
+ /*
+ * if this feature is enabled, logging may be
+ * enabled and disabled via escape sequences.
+ */
+ if (func == bitset)
+ StartLog(screen);
+ else
+ CloseLog(screen);
+#else
+ Bell(XkbBI_Info, 0);
+ Bell(XkbBI_Info, 0);
+#endif /* ALLOWLOGFILEONOFF */
+ break;
+#endif
+ case 1049: /* alternate buffer & cursor */
+ if (!termw->misc.titeInhibit) {
+ if (func == bitset) {
+ CursorSave(termw);
+ ToAlternate(screen);
+ ClearScreen(screen);
+ } else {
+ FromAlternate(screen);
+ CursorRestore(termw);
+ }
+ } else if (termw->misc.tiXtraScroll) {
+ if (func == bitset) {
+ xtermScroll(screen, screen->max_row);
+ }
+ }
+ break;
+ case 1047:
+ case 47: /* alternate buffer */
+ if (!termw->misc.titeInhibit) {
+ if (func == bitset) {
+ ToAlternate(screen);
+ } else {
+ if (screen->alternate
+ && (param[i] == 1047))
+ ClearScreen(screen);
+ FromAlternate(screen);
+ }
+ } else if (termw->misc.tiXtraScroll) {
+ if (func == bitset) {
+ xtermScroll(screen, screen->max_row);
+ }
+ }
+ break;
+ case 66: /* DECNKM */
+ (*func) (&termw->keyboard.flags, MODE_DECKPAM);
+ update_appkeypad();
+ break;
+ case 67: /* DECBKM */
+ /* back-arrow mapped to backspace or delete(D) */
+ (*func) (&termw->keyboard.flags, MODE_DECBKM);
+ TRACE(("DECSET DECBKM %s\n",
+ BtoS(termw->keyboard.flags & MODE_DECBKM)));
+ update_decbkm();
+ break;
+ case SET_VT200_MOUSE: /* xterm bogus sequence */
+ MotionOff(screen, termw);
+ set_mousemode(VT200_MOUSE);
+ break;
+ case SET_VT200_HIGHLIGHT_MOUSE: /* xterm sequence w/hilite tracking */
+ MotionOff(screen, termw);
+ set_mousemode(VT200_HIGHLIGHT_MOUSE);
+ break;
+ case SET_BTN_EVENT_MOUSE:
+ MotionOff(screen, termw);
+ set_mousemode(BTN_EVENT_MOUSE);
+ break;
+ case SET_ANY_EVENT_MOUSE:
+ set_mousemode(ANY_EVENT_MOUSE);
+ if (screen->send_mouse_pos == MOUSE_OFF) {
+ MotionOff(screen, term);
+ } else {
+ MotionOn(screen, term);
+ }
+ break;
+ case 1010: /* rxvt */
+ screen->scrollttyoutput = (func == bitset) ? ON : OFF;
+ update_scrollttyoutput();
+ break;
+ case 1011: /* rxvt */
+ screen->scrollkey = (func == bitset) ? ON : OFF;
+ update_scrollkey();
+ break;
+#if OPT_NUM_LOCK
+ case 1035:
+ term->misc.real_NumLock = (func == bitset) ? ON : OFF;
+ update_num_lock();
+ break;
+ case 1036:
+ screen->meta_sends_esc = (func == bitset) ? ON : OFF;
+ update_meta_esc();
+ break;
+#endif
+ case 1037:
+ screen->delete_is_del = (func == bitset) ? ON : OFF;
+ update_delete_del();
+ break;
+ case 1048:
+ if (!termw->misc.titeInhibit) {
+ if (func == bitset)
+ CursorSave(termw);
+ else
+ CursorRestore(termw);
+ }
+ break;
+ case 1051:
+ set_keyboard_type(keyboardIsSun, func == bitset);
+ break;
+#if OPT_HP_FUNC_KEYS
+ case 1052:
+ set_keyboard_type(keyboardIsHP, func == bitset);
+ break;
+#endif
+#if OPT_SCO_FUNC_KEYS
+ case 1053:
+ set_keyboard_type(keyboardIsSCO, func == bitset);
+ break;
+#endif
+ case 1060:
+ set_keyboard_type(keyboardIsLegacy, func == bitset);
+ break;
+#if OPT_SUNPC_KBD
+ case 1061:
+ set_keyboard_type(keyboardIsVT220, func == bitset);
+ break;
+#endif
+#if OPT_READLINE
+ case SET_BUTTON1_MOVE_POINT:
+ set_mouseflag(click1_moves);
+ break;
+ case SET_BUTTON2_MOVE_POINT:
+ set_mouseflag(paste_moves);
+ break;
+ case SET_DBUTTON3_DELETE:
+ set_mouseflag(dclick3_deletes);
+ break;
+ case SET_PASTE_IN_BRACKET:
+ set_mouseflag(paste_brackets);
+ break;
+ case SET_PASTE_QUOTE:
+ set_mouseflag(paste_quotes);
+ break;
+ case SET_PASTE_LITERAL_NL:
+ set_mouseflag(paste_literal_nl);
+ break;
+#endif /* OPT_READLINE */
+ }
+ }
+}
+
+/*
+ * process xterm private modes save
+ */
+static void
+savemodes(XtermWidget termw)
+{
+ TScreen *screen = &termw->screen;
+ int i;
+
+ for (i = 0; i < nparam; i++) {
+ TRACE(("savemodes %d\n", param[i]));
+ switch (param[i]) {
+ case 1: /* DECCKM */
+ DoSM(DP_DECCKM, termw->keyboard.flags & MODE_DECCKM);
+ break;
+ case 3: /* DECCOLM */
+ if (screen->c132)
+ DoSM(DP_DECCOLM, termw->flags & IN132COLUMNS);
+ break;
+ case 4: /* DECSCLM (slow scroll) */
+ DoSM(DP_DECSCLM, termw->flags & SMOOTHSCROLL);
+ break;
+ case 5: /* DECSCNM */
+ DoSM(DP_DECSCNM, termw->flags & REVERSE_VIDEO);
+ break;
+ case 6: /* DECOM */
+ DoSM(DP_DECOM, termw->flags & ORIGIN);
+ break;
+
+ case 7: /* DECAWM */
+ DoSM(DP_DECAWM, termw->flags & WRAPAROUND);
+ break;
+ case 8: /* DECARM */
+ /* ignore autorepeat */
+ break;
+ case SET_X10_MOUSE: /* mouse bogus sequence */
+ DoSM(DP_X_X10MSE, screen->send_mouse_pos);
+ break;
+#if OPT_TOOLBAR
+ case 10: /* rxvt */
+ DoSM(DP_TOOLBAR, resource.toolBar);
+ break;
+#endif
+#if OPT_BLINK_CURS
+ case 12: /* att610: Start/stop blinking cursor */
+ if (screen->cursor_blink_res) {
+ DoSM(DP_CRS_BLINK, screen->cursor_blink_esc);
+ }
+ break;
+#endif
+ case 18: /* DECPFF: print form feed */
+ DoSM(DP_PRN_FORMFEED, screen->printer_formfeed);
+ break;
+ case 19: /* DECPEX: print extent */
+ DoSM(DP_PRN_EXTENT, screen->printer_extent);
+ break;
+ case 25: /* DECTCEM: Show/hide cursor (VT200) */
+ DoSM(DP_CRS_VISIBLE, screen->cursor_set);
+ break;
+ case 40: /* 132 column mode */
+ DoSM(DP_X_DECCOLM, screen->c132);
+ break;
+ case 41: /* curses hack */
+ DoSM(DP_X_MORE, screen->curses);
+ break;
+ case 44: /* margin bell */
+ DoSM(DP_X_MARGIN, screen->marginbell);
+ break;
+ case 45: /* reverse wraparound */
+ DoSM(DP_X_REVWRAP, termw->flags & REVERSEWRAP);
+ break;
+#ifdef ALLOWLOGGING
+ case 46: /* logging */
+ DoSM(DP_X_LOGGING, screen->logging);
+ break;
+#endif
+ case 1047: /* alternate buffer */
+ /* FALLTHRU */
+ case 47: /* alternate buffer */
+ DoSM(DP_X_ALTSCRN, screen->alternate);
+ break;
+ case SET_VT200_MOUSE: /* mouse bogus sequence */
+ case SET_VT200_HIGHLIGHT_MOUSE:
+ case SET_BTN_EVENT_MOUSE:
+ case SET_ANY_EVENT_MOUSE:
+ DoSM(DP_X_MOUSE, screen->send_mouse_pos);
+ break;
+ case 1048:
+ if (!termw->misc.titeInhibit) {
+ CursorSave(termw);
+ }
+ break;
+#if OPT_READLINE
+ case SET_BUTTON1_MOVE_POINT:
+ SCREEN_FLAG_save(screen, click1_moves);
+ break;
+ case SET_BUTTON2_MOVE_POINT:
+ SCREEN_FLAG_save(screen, paste_moves);
+ break;
+ case SET_DBUTTON3_DELETE:
+ SCREEN_FLAG_save(screen, dclick3_deletes);
+ break;
+ case SET_PASTE_IN_BRACKET:
+ SCREEN_FLAG_save(screen, paste_brackets);
+ break;
+ case SET_PASTE_QUOTE:
+ SCREEN_FLAG_save(screen, paste_quotes);
+ break;
+ case SET_PASTE_LITERAL_NL:
+ SCREEN_FLAG_save(screen, paste_literal_nl);
+ break;
+#endif /* OPT_READLINE */
+ }
+ }
+}
+
+/*
+ * process xterm private modes restore
+ */
+static void
+restoremodes(XtermWidget termw)
+{
+ TScreen *screen = &termw->screen;
+ int i, j;
+
+ for (i = 0; i < nparam; i++) {
+ TRACE(("restoremodes %d\n", param[i]));
+ switch (param[i]) {
+ case 1: /* DECCKM */
+ bitcpy(&termw->keyboard.flags,
+ screen->save_modes[DP_DECCKM], MODE_DECCKM);
+ update_appcursor();
+ break;
+ case 3: /* DECCOLM */
+ if (screen->c132) {
+ ClearScreen(screen);
+ CursorSet(screen, 0, 0, termw->flags);
+ if ((j = (screen->save_modes[DP_DECCOLM] & IN132COLUMNS)
+ ? 132 : 80) != ((termw->flags & IN132COLUMNS)
+ ? 132 : 80) || j != MaxCols(screen))
+ RequestResize(termw, -1, j, True);
+ bitcpy(&termw->flags,
+ screen->save_modes[DP_DECCOLM],
+ IN132COLUMNS);
+ }
+ break;
+ case 4: /* DECSCLM (slow scroll) */
+ if (screen->save_modes[DP_DECSCLM] & SMOOTHSCROLL) {
+ screen->jumpscroll = 0;
+ if (screen->scroll_amt)
+ FlushScroll(screen);
+ } else
+ screen->jumpscroll = 1;
+ bitcpy(&termw->flags, screen->save_modes[DP_DECSCLM], SMOOTHSCROLL);
+ update_jumpscroll();
+ break;
+ case 5: /* DECSCNM */
+ if ((screen->save_modes[DP_DECSCNM] ^ termw->flags) & REVERSE_VIDEO) {
+ bitcpy(&termw->flags, screen->save_modes[DP_DECSCNM], REVERSE_VIDEO);
+ ReverseVideo(termw);
+ /* update_reversevideo done in RevVid */
+ }
+ break;
+ case 6: /* DECOM */
+ bitcpy(&termw->flags, screen->save_modes[DP_DECOM], ORIGIN);
+ CursorSet(screen, 0, 0, termw->flags);
+ break;
+
+ case 7: /* DECAWM */
+ bitcpy(&termw->flags, screen->save_modes[DP_DECAWM], WRAPAROUND);
+ update_autowrap();
+ break;
+ case 8: /* DECARM */
+ /* ignore autorepeat */
+ break;
+ case SET_X10_MOUSE: /* MIT bogus sequence */
+ DoRM(DP_X_X10MSE, screen->send_mouse_pos);
+ break;
+#if OPT_TOOLBAR
+ case 10: /* rxvt */
+ DoRM(DP_TOOLBAR, resource.toolBar);
+ ShowToolbar(resource.toolBar);
+ break;
+#endif
+#if OPT_BLINK_CURS
+ case 12: /* att610: Start/stop blinking cursor */
+ if (screen->cursor_blink_res) {
+ DoRM(DP_CRS_BLINK, screen->cursor_blink_esc);
+ SetCursorBlink(screen, screen->cursor_blink);
+ }
+ break;
+#endif
+ case 18: /* DECPFF: print form feed */
+ DoRM(DP_PRN_FORMFEED, screen->printer_formfeed);
+ break;
+ case 19: /* DECPEX: print extent */
+ DoRM(DP_PRN_EXTENT, screen->printer_extent);
+ break;
+ case 25: /* DECTCEM: Show/hide cursor (VT200) */
+ DoRM(DP_CRS_VISIBLE, screen->cursor_set);
+ break;
+ case 40: /* 132 column mode */
+ DoRM(DP_X_DECCOLM, screen->c132);
+ update_allow132();
+ break;
+ case 41: /* curses hack */
+ DoRM(DP_X_MORE, screen->curses);
+ update_cursesemul();
+ break;
+ case 44: /* margin bell */
+ if ((DoRM(DP_X_MARGIN, screen->marginbell)) == 0)
+ screen->bellarmed = -1;
+ update_marginbell();
+ break;
+ case 45: /* reverse wraparound */
+ bitcpy(&termw->flags, screen->save_modes[DP_X_REVWRAP], REVERSEWRAP);
+ update_reversewrap();
+ break;
+#ifdef ALLOWLOGGING
+ case 46: /* logging */
+#ifdef ALLOWLOGFILEONOFF
+ if (screen->save_modes[DP_X_LOGGING])
+ StartLog(screen);
+ else
+ CloseLog(screen);
+#endif /* ALLOWLOGFILEONOFF */
+ /* update_logging done by StartLog and CloseLog */
+ break;
+#endif
+ case 1047: /* alternate buffer */
+ /* FALLTHRU */
+ case 47: /* alternate buffer */
+ if (!termw->misc.titeInhibit) {
+ if (screen->save_modes[DP_X_ALTSCRN])
+ ToAlternate(screen);
+ else
+ FromAlternate(screen);
+ /* update_altscreen done by ToAlt and FromAlt */
+ } else if (termw->misc.tiXtraScroll) {
+ if (screen->save_modes[DP_X_ALTSCRN]) {
+ xtermScroll(screen, screen->max_row);
+ }
+ }
+ break;
+ case SET_VT200_MOUSE: /* mouse bogus sequence */
+ case SET_VT200_HIGHLIGHT_MOUSE:
+ case SET_BTN_EVENT_MOUSE:
+ case SET_ANY_EVENT_MOUSE:
+ DoRM(DP_X_MOUSE, screen->send_mouse_pos);
+ break;
+ case 1048:
+ if (!termw->misc.titeInhibit) {
+ CursorRestore(termw);
+ }
+ break;
+#if OPT_READLINE
+ case SET_BUTTON1_MOVE_POINT:
+ SCREEN_FLAG_restore(screen, click1_moves);
+ break;
+ case SET_BUTTON2_MOVE_POINT:
+ SCREEN_FLAG_restore(screen, paste_moves);
+ break;
+ case SET_DBUTTON3_DELETE:
+ SCREEN_FLAG_restore(screen, dclick3_deletes);
+ break;
+ case SET_PASTE_IN_BRACKET:
+ SCREEN_FLAG_restore(screen, paste_brackets);
+ break;
+ case SET_PASTE_QUOTE:
+ SCREEN_FLAG_restore(screen, paste_quotes);
+ break;
+ case SET_PASTE_LITERAL_NL:
+ SCREEN_FLAG_restore(screen, paste_literal_nl);
+ break;
+#endif /* OPT_READLINE */
+ }
+ }
+}
+
+/*
+ * Report window label (icon or title) in dtterm protocol
+ * ESC ] code label ESC backslash
+ */
+static void
+report_win_label(TScreen * screen,
+ int code,
+ XTextProperty * text,
+ Status ok)
+{
+ char **list;
+ int length = 0;
+
+ reply.a_type = ESC;
+ unparseputc(ESC, screen->respond);
+ unparseputc(']', screen->respond);
+ unparseputc(code, screen->respond);
+
+ if (ok) {
+ if (XTextPropertyToStringList(text, &list, &length)) {
+ int n, c;
+ for (n = 0; n < length; n++) {
+ char *s = list[n];
+ while ((c = *s++) != '\0')
+ unparseputc(c, screen->respond);
+ }
+ XFreeStringList(list);
+ }
+ if (text->value != 0)
+ XFree(text->value);
+ }
+
+ unparseputc(ESC, screen->respond);
+ unparseputc('\\', screen->respond);
+}
+
+/*
+ * Window operations (from CDE dtterm description, as well as extensions).
+ * See also "allowWindowOps" resource.
+ */
+static void
+window_ops(XtermWidget termw)
+{
+ TScreen *screen = &termw->screen;
+ XWindowChanges values;
+ XWindowAttributes win_attrs;
+ XTextProperty text;
+ unsigned value_mask;
+ unsigned root_width;
+ unsigned root_height;
+
+ TRACE(("window_ops %d\n", param[0]));
+ switch (param[0]) {
+ case 1: /* Restore (de-iconify) window */
+ XMapWindow(screen->display,
+ VShellWindow);
+ break;
+
+ case 2: /* Minimize (iconify) window */
+ XIconifyWindow(screen->display,
+ VShellWindow,
+ DefaultScreen(screen->display));
+ break;
+
+ case 3: /* Move the window to the given position */
+ values.x = param[1];
+ values.y = param[2];
+ value_mask = (CWX | CWY);
+ XReconfigureWMWindow(screen->display,
+ VShellWindow,
+ DefaultScreen(screen->display),
+ value_mask,
+ &values);
+ break;
+
+ case 4: /* Resize the window to given size in pixels */
+ RequestResize(termw, param[1], param[2], False);
+ break;
+
+ case 5: /* Raise the window to the front of the stack */
+ XRaiseWindow(screen->display, VShellWindow);
+ break;
+
+ case 6: /* Lower the window to the bottom of the stack */
+ XLowerWindow(screen->display, VShellWindow);
+ break;
+
+ case 7: /* Refresh the window */
+ Redraw();
+ break;
+
+ case 8: /* Resize the text-area, in characters */
+ RequestResize(termw, param[1], param[2], True);
+ break;
+
+#if OPT_MAXIMIZE
+ case 9: /* Maximize or restore */
+ RequestMaximize(termw, param[1]);
+ break;
+#endif
+
+ case 11: /* Report the window's state */
+ XGetWindowAttributes(screen->display,
+ VWindow(screen),
+ &win_attrs);
+ reply.a_type = CSI;
+ reply.a_pintro = 0;
+ reply.a_nparam = 1;
+ reply.a_param[0] = (win_attrs.map_state == IsViewable) ? 1 : 2;
+ reply.a_inters = 0;
+ reply.a_final = 't';
+ unparseseq(&reply, screen->respond);
+ break;
+
+ case 13: /* Report the window's position */
+ XGetWindowAttributes(screen->display,
+ WMFrameWindow(termw),
+ &win_attrs);
+ reply.a_type = CSI;
+ reply.a_pintro = 0;
+ reply.a_nparam = 3;
+ reply.a_param[0] = 3;
+ reply.a_param[1] = win_attrs.x;
+ reply.a_param[2] = win_attrs.y;
+ reply.a_inters = 0;
+ reply.a_final = 't';
+ unparseseq(&reply, screen->respond);
+ break;
+
+ case 14: /* Report the window's size in pixels */
+ XGetWindowAttributes(screen->display,
+ VWindow(screen),
+ &win_attrs);
+ reply.a_type = CSI;
+ reply.a_pintro = 0;
+ reply.a_nparam = 3;
+ reply.a_param[0] = 4;
+ /*FIXME: find if dtterm uses
+ * win_attrs.height or Height
+ * win_attrs.width or Width
+ */
+ reply.a_param[1] = Height(screen);
+ reply.a_param[2] = Width(screen);
+ reply.a_inters = 0;
+ reply.a_final = 't';
+ unparseseq(&reply, screen->respond);
+ break;
+
+ case 18: /* Report the text's size in characters */
+ reply.a_type = CSI;
+ reply.a_pintro = 0;
+ reply.a_nparam = 3;
+ reply.a_param[0] = 8;
+ reply.a_param[1] = MaxRows(screen);
+ reply.a_param[2] = MaxCols(screen);
+ reply.a_inters = 0;
+ reply.a_final = 't';
+ unparseseq(&reply, screen->respond);
+ break;
+
+#if OPT_MAXIMIZE
+ case 19: /* Report the screen's size, in characters */
+ if (!QueryMaximize(term, &root_height, &root_width)) {
+ root_height = 0;
+ root_width = 0;
+ }
+ reply.a_type = CSI;
+ reply.a_pintro = 0;
+ reply.a_nparam = 3;
+ reply.a_param[0] = 9;
+ reply.a_param[1] = root_height / FontHeight(screen);
+ reply.a_param[2] = root_width / FontWidth(screen);
+ reply.a_inters = 0;
+ reply.a_final = 't';
+ unparseseq(&reply, screen->respond);
+ break;
+#endif
+
+ case 20: /* Report the icon's label */
+ report_win_label(screen, 'L', &text,
+ XGetWMIconName(screen->display, VShellWindow, &text));
+ break;
+
+ case 21: /* Report the window's title */
+ report_win_label(screen, 'l', &text,
+ XGetWMName(screen->display, VShellWindow, &text));
+ break;
+
+ default: /* DECSLPP (24, 25, 36, 48, 72, 144) */
+ if (param[0] >= 24)
+ RequestResize(termw, param[0], -1, True);
+ break;
+ }
+}
+
+/*
+ * set a bit in a word given a pointer to the word and a mask.
+ */
+static void
+bitset(unsigned *p, unsigned mask)
+{
+ *p |= mask;
+}
+
+/*
+ * clear a bit in a word given a pointer to the word and a mask.
+ */
+static void
+bitclr(unsigned *p, unsigned mask)
+{
+ *p &= ~mask;
+}
+
+/*
+ * Copy bits from one word to another, given a mask
+ */
+static void
+bitcpy(unsigned *p, unsigned q, unsigned mask)
+{
+ bitclr(p, mask);
+ bitset(p, q & mask);
+}
+
+void
+unparseputc1(int c, int fd)
+{
+ if (c >= 0x80 && c <= 0x9F) {
+ if (!term->screen.control_eight_bits) {
+ unparseputc(A2E(ESC), fd);
+ c = A2E(c - 0x40);
+ }
+ }
+ unparseputc(c, fd);
+}
+
+void
+unparseseq(ANSI * ap, int fd)
+{
+ int c;
+ int i;
+ int inters;
+
+ unparseputc1(c = ap->a_type, fd);
+ if (c == ESC
+ || c == DCS
+ || c == CSI
+ || c == OSC
+ || c == PM
+ || c == APC
+ || c == SS3) {
+ if (ap->a_pintro != 0)
+ unparseputc(ap->a_pintro, fd);
+ for (i = 0; i < ap->a_nparam; ++i) {
+ if (i != 0)
+ unparseputc(';', fd);
+ unparseputn((unsigned int) ap->a_param[i], fd);
+ }
+ if ((inters = ap->a_inters) != 0) {
+ for (i = 3; i >= 0; --i) {
+ c = CharOf(inters >> (8 * i));
+ if (c != 0)
+ unparseputc(c, fd);
+ }
+ }
+ unparseputc((char) ap->a_final, fd);
+ }
+}
+
+static void
+unparseputn(unsigned int n, int fd)
+{
+ unsigned int q;
+
+ q = n / 10;
+ if (q != 0)
+ unparseputn(q, fd);
+ unparseputc((char) ('0' + (n % 10)), fd);
+}
+
+void
+unparseputc(int c, int fd)
+{
+ IChar buf[2];
+ unsigned i = 1;
+
+#if OPT_TCAP_QUERY
+ /*
+ * If we're returning a termcap string, it has to be translated since
+ * a DCS must not contain any characters except for the normal 7-bit
+ * printable ASCII (counting tab, carriage return, etc). For now,
+ * just use hexadecimal for the whole thing.
+ */
+ if (term->screen.tc_query >= 0) {
+ char tmp[3];
+ sprintf(tmp, "%02X", c & 0xFF);
+ buf[0] = tmp[0];
+ buf[1] = tmp[1];
+ i = 2;
+ } else
+#endif
+ if ((buf[0] = c) == '\r' && (term->flags & LINEFEED)) {
+ buf[1] = '\n';
+ i++;
+ }
+#ifdef VMS
+ tt_write(&buf, i);
+#else /* VMS */
+ writePtyData(fd, buf, i);
+#endif /* VMS */
+
+ /* If send/receive mode is reset, we echo characters locally */
+ if ((term->keyboard.flags & MODE_SRM) == 0) {
+ (void) doparsing((unsigned) c, &myState);
+ }
+}
+
+void
+unparseputs(char *s, int fd)
+{
+ while (*s)
+ unparseputc(*s++, fd);
+}
+
+void
+ToggleAlternate(TScreen * screen)
+{
+ if (screen->alternate)
+ FromAlternate(screen);
+ else
+ ToAlternate(screen);
+}
+
+static void
+ToAlternate(TScreen * screen)
+{
+ if (screen->alternate)
+ return;
+ TRACE(("ToAlternate\n"));
+ if (!screen->altbuf)
+ screen->altbuf = Allocate(MaxRows(screen), MaxCols(screen),
+ &screen->abuf_address);
+ SwitchBufs(screen);
+ screen->alternate = True;
+ update_altscreen();
+}
+
+static void
+FromAlternate(TScreen * screen)
+{
+ if (!screen->alternate)
+ return;
+ TRACE(("FromAlternate\n"));
+ if (screen->scroll_amt)
+ FlushScroll(screen);
+ screen->alternate = False;
+ SwitchBufs(screen);
+ update_altscreen();
+}
+
+static void
+SwitchBufs(TScreen * screen)
+{
+ int rows, top;
+
+ if (screen->cursor_state)
+ HideCursor();
+
+ rows = MaxRows(screen);
+ SwitchBufPtrs(screen);
+
+ if ((top = -screen->topline) < rows) {
+ if (screen->scroll_amt)
+ FlushScroll(screen);
+ if (top == 0)
+ XClearWindow(screen->display, VWindow(screen));
+ else
+ XClearArea(screen->display,
+ VWindow(screen),
+ (int) OriginX(screen),
+ (int) top * FontHeight(screen) + screen->border,
+ (unsigned) Width(screen),
+ (unsigned) (rows - top) * FontHeight(screen),
+ False);
+ }
+ ScrnUpdate(screen, 0, 0, rows, MaxCols(screen), False);
+}
+
+/* swap buffer line pointers between alt and regular screens */
+void
+SwitchBufPtrs(TScreen * screen)
+{
+ size_t len = ScrnPointers(screen, (unsigned) MaxRows(screen));
+
+ memcpy((char *) screen->save_ptr, (char *) screen->visbuf, len);
+ memcpy((char *) screen->visbuf, (char *) screen->altbuf, len);
+ memcpy((char *) screen->altbuf, (char *) screen->save_ptr, len);
+}
+
+void
+VTRun(void)
+{
+ TScreen *screen = &term->screen;
+
+ TRACE(("VTRun ...\n"));
+
+ if (!screen->Vshow) {
+ set_vt_visibility(True);
+ }
+ update_vttekmode();
+ update_vtshow();
+ update_tekshow();
+ set_vthide_sensitivity();
+
+ if (screen->allbuf == NULL)
+ VTallocbuf();
+
+ screen->cursor_state = OFF;
+ screen->cursor_set = ON;
+#if OPT_BLINK_CURS
+ if (DoStartBlinking(screen))
+ StartBlinking(screen);
+#endif
+
+#if OPT_TEK4014
+ if (Tpushb > Tpushback) {
+ fillPtyData(screen, VTbuffer, (char *) Tpushback, Tpushb - Tpushback);
+ Tpushb = Tpushback;
+ }
+#endif
+ if (!setjmp(VTend))
+ VTparse();
+ StopBlinking(screen);
+ HideCursor();
+ screen->cursor_set = OFF;
+}
+
+/*ARGSUSED*/
+static void
+VTExpose(Widget w GCC_UNUSED,
+ XEvent * event,
+ Region region GCC_UNUSED)
+{
+ TScreen *screen = &term->screen;
+
+#ifdef DEBUG
+ if (debug)
+ fputs("Expose\n", stderr);
+#endif /* DEBUG */
+ if (event->type == Expose)
+ HandleExposure(screen, event);
+}
+
+static void
+VTGraphicsOrNoExpose(XEvent * event)
+{
+ TScreen *screen = &term->screen;
+ if (screen->incopy <= 0) {
+ screen->incopy = 1;
+ if (screen->scrolls > 0)
+ screen->scrolls--;
+ }
+ if (event->type == GraphicsExpose)
+ if (HandleExposure(screen, event))
+ screen->cursor_state = OFF;
+ if ((event->type == NoExpose)
+ || ((XGraphicsExposeEvent *) event)->count == 0) {
+ if (screen->incopy <= 0 && screen->scrolls > 0)
+ screen->scrolls--;
+ if (screen->scrolls)
+ screen->incopy = -1;
+ else
+ screen->incopy = 0;
+ }
+}
+
+/*ARGSUSED*/
+static void
+VTNonMaskableEvent(Widget w GCC_UNUSED,
+ XtPointer closure GCC_UNUSED,
+ XEvent * event,
+ Boolean * cont GCC_UNUSED)
+{
+ switch (event->type) {
+ case GraphicsExpose:
+ case NoExpose:
+ VTGraphicsOrNoExpose(event);
+ break;
+ }
+}
+
+static void
+VTResize(Widget w)
+{
+ if (XtIsRealized(w)) {
+ ScreenResize(&term->screen, term->core.width, term->core.height, &term->flags);
+ }
+}
+
+#define okDimension(src,dst) ((src <= 32767) && ((dst = src) == src))
+
+static void
+RequestResize(XtermWidget termw, int rows, int cols, int text)
+{
+#ifndef nothack
+ XSizeHints sizehints;
+ long supp;
+#endif
+ TScreen *screen = &termw->screen;
+ unsigned long value;
+ Dimension replyWidth, replyHeight;
+ Dimension askedWidth, askedHeight;
+ XtGeometryResult status;
+ XWindowAttributes attrs;
+
+ TRACE(("RequestResize(rows=%d, cols=%d, text=%d)\n", rows, cols, text));
+
+ if ((askedWidth = cols) < cols
+ || (askedHeight = rows) < rows)
+ return;
+
+ if (askedHeight == 0
+ || askedWidth == 0
+ || term->misc.limit_resize > 0) {
+ XGetWindowAttributes(XtDisplay(termw),
+ RootWindowOfScreen(XtScreen(termw)), &attrs);
+ }
+
+ if (text) {
+ if ((value = rows) != 0) {
+ if (rows < 0)
+ value = MaxRows(screen);
+ value *= FontHeight(screen);
+ value += (2 * screen->border);
+ if (!okDimension(value, askedHeight))
+ return;
+ }
+
+ if ((value = cols) != 0) {
+ if (cols < 0)
+ value = MaxCols(screen);
+ value *= FontWidth(screen);
+ value += (2 * screen->border) + ScrollbarWidth(screen);
+ if (!okDimension(value, askedWidth))
+ return;
+ }
+
+ } else {
+ if (rows < 0)
+ askedHeight = FullHeight(screen);
+ if (cols < 0)
+ askedWidth = FullWidth(screen);
+ }
+
+ if (rows == 0)
+ askedHeight = attrs.height;
+ if (cols == 0)
+ askedWidth = attrs.width;
+
+ if (term->misc.limit_resize > 0) {
+ Dimension high = term->misc.limit_resize * attrs.height;
+ Dimension wide = term->misc.limit_resize * attrs.width;
+ if (high < attrs.height)
+ high = attrs.height;
+ if (askedHeight > high)
+ askedHeight = high;
+ if (wide < attrs.width)
+ wide = attrs.width;
+ if (askedWidth > wide)
+ askedWidth = wide;
+ }
+#ifndef nothack
+ if (!XGetWMNormalHints(screen->display, VShellWindow,
+ &sizehints, &supp))
+ bzero(&sizehints, sizeof(sizehints));
+#endif
+
+ status = XtMakeResizeRequest((Widget) termw,
+ askedWidth, askedHeight,
+ &replyWidth, &replyHeight);
+ TRACE(("charproc.c XtMakeResizeRequest %dx%d -> %dx%d (status %d)\n",
+ askedHeight, askedWidth,
+ replyHeight, replyWidth,
+ status));
+
+ if (status == XtGeometryYes ||
+ status == XtGeometryDone) {
+ ScreenResize(&termw->screen,
+ replyWidth,
+ replyHeight,
+ &termw->flags);
+ }
+#ifndef nothack
+ /*
+ * XtMakeResizeRequest() has the undesirable side-effect of clearing
+ * the window manager's hints, even on a failed request. This would
+ * presumably be fixed if the shell did its own work.
+ */
+ if (sizehints.flags
+ && replyHeight
+ && replyWidth) {
+ sizehints.height = replyHeight;
+ sizehints.width = replyWidth;
+
+ TRACE(("%s@%d -- ", __FILE__, __LINE__));
+ TRACE_HINTS(&sizehints);
+ XSetWMNormalHints(screen->display, VShellWindow, &sizehints);
+ TRACE(("%s@%d -- ", __FILE__, __LINE__));
+ TRACE_WM_HINTS(termw);
+ }
+#endif
+
+ XSync(screen->display, False); /* synchronize */
+ if (XtAppPending(app_con))
+ xevents();
+}
+
+static String xterm_trans =
+"<ClientMessage>WM_PROTOCOLS: DeleteWindow()\n\
+ <MappingNotify>: KeyboardMapping()\n";
+
+int
+VTInit(void)
+{
+ TScreen *screen = &term->screen;
+ Widget vtparent = SHELL_OF(term);
+
+ XtRealizeWidget(vtparent);
+ XtOverrideTranslations(vtparent, XtParseTranslationTable(xterm_trans));
+ (void) XSetWMProtocols(XtDisplay(vtparent), XtWindow(vtparent),
+ &wm_delete_window, 1);
+ TRACE_TRANS("shell", vtparent);
+ TRACE_TRANS("vt100", (Widget) (term));
+
+ if (screen->allbuf == NULL)
+ VTallocbuf();
+ return (1);
+}
+
+static void
+VTallocbuf(void)
+{
+ TScreen *screen = &term->screen;
+ int nrows = MaxRows(screen);
+
+ /* allocate screen buffer now, if necessary. */
+ if (screen->scrollWidget)
+ nrows += screen->savelines;
+ screen->allbuf = Allocate(nrows, MaxCols(screen),
+ &screen->sbuf_address);
+ if (screen->scrollWidget)
+ screen->visbuf = &screen->allbuf[MAX_PTRS * screen->savelines];
+ else
+ screen->visbuf = screen->allbuf;
+ return;
+}
+
+static void
+VTClassInit(void)
+{
+ XtAddConverter(XtRString, XtRGravity, XmuCvtStringToGravity,
+ (XtConvertArgList) NULL, (Cardinal) 0);
+}
+
+/*
+ * The whole wnew->screen struct is zeroed in VTInitialize. Use these macros
+ * where applicable for copying the pieces from the request widget into the
+ * new widget. We do not have to use them for wnew->misc, but the associated
+ * traces are very useful for debugging.
+ */
+#if OPT_TRACE
+#define init_Bres(name) \
+ TRACE(("init " #name " = %s\n", \
+ BtoS(wnew->name = request->name)))
+#define init_Dres(name) \
+ TRACE(("init " #name " = %f\n", \
+ wnew->name = request->name))
+#define init_Ires(name) \
+ TRACE(("init " #name " = %d\n", \
+ wnew->name = request->name))
+#define init_Sres(name) \
+ TRACE(("init " #name " = \"%s\"\n", \
+ (wnew->name = x_strtrim(request->name)) != NULL \
+ ? wnew->name : "<null>"))
+#define init_Tres(offset) \
+ TRACE(("init screen.Tcolors[" #offset "] = %#lx\n", \
+ fill_Tres(wnew, request, offset)))
+#else
+#define init_Bres(name) wnew->name = request->name
+#define init_Dres(name) wnew->name = request->name
+#define init_Ires(name) wnew->name = request->name
+#define init_Sres(name) wnew->name = x_strtrim(request->name)
+#define init_Tres(offset) fill_Tres(wnew, request, offset)
+#endif
+
+#if OPT_COLOR_RES
+/*
+ * Override the use of XtDefaultForeground/XtDefaultBackground to make some
+ * colors, such as cursor color, use the actual foreground/background value
+ * if there is no explicit resource value used.
+ */
+static Pixel
+fill_Tres(XtermWidget target, XtermWidget source, int offset)
+{
+ char *name;
+ ScrnColors temp;
+
+ target->screen.Tcolors[offset] = source->screen.Tcolors[offset];
+ target->screen.Tcolors[offset].mode = False;
+
+ if ((name = x_strtrim(target->screen.Tcolors[offset].resource)) != 0)
+ target->screen.Tcolors[offset].resource = name;
+
+ if (name == 0) {
+ target->screen.Tcolors[offset].value = target->dft_foreground;
+ } else if (!x_strcasecmp(name, XtDefaultForeground)) {
+ target->screen.Tcolors[offset].value =
+ ((offset == TEXT_FG || offset == TEXT_BG)
+ ? target->dft_foreground
+ : target->screen.Tcolors[TEXT_FG].value);
+ } else if (!x_strcasecmp(name, XtDefaultBackground)) {
+ target->screen.Tcolors[offset].value =
+ ((offset == TEXT_FG || offset == TEXT_BG)
+ ? target->dft_background
+ : target->screen.Tcolors[TEXT_BG].value);
+ } else {
+ if (AllocateTermColor(target, &temp, offset, name)) {
+ target->screen.Tcolors[offset].value = temp.colors[offset];
+ }
+ }
+ return target->screen.Tcolors[offset].value;
+}
+#else
+#define fill_Tres(target, source, offset) \
+ target->screen.Tcolors[offset] = source->screen.Tcolors[offset]
+#endif
+
+#if OPT_WIDE_CHARS
+static void
+VTInitialize_locale(XtermWidget request)
+{
+ Bool is_utf8 = xtermEnvUTF8();
+
+ TRACE(("VTInitialize_locale\n"));
+ TRACE(("... request screen.utf8_mode = %d\n", request->screen.utf8_mode));
+
+ if (request->screen.utf8_mode < 0)
+ request->screen.utf8_mode = uFalse;
+
+ if (request->screen.utf8_mode > 3)
+ request->screen.utf8_mode = uDefault;
+
+ request->screen.latin9_mode = 0;
+ request->screen.unicode_font = 0;
+#if OPT_LUIT_PROG
+ request->misc.callfilter = 0;
+ request->misc.use_encoding = 0;
+
+ TRACE(("... setup for luit:\n"));
+ TRACE(("... request misc.locale_str = \"%s\"\n", request->misc.locale_str));
+
+ if (request->screen.utf8_mode == uFalse) {
+ TRACE(("... command-line +u8 overrides\n"));
+ } else
+#if OPT_MINI_LUIT
+ if (x_strcasecmp(request->misc.locale_str, "CHECKFONT") == 0) {
+ int fl = (request->misc.default_font.f_n
+ ? strlen(request->misc.default_font.f_n)
+ : 0);
+ if (fl > 11
+ && x_strcasecmp(request->misc.default_font.f_n + fl - 11,
+ "-ISO10646-1") == 0) {
+ request->screen.unicode_font = 1;
+ /* unicode font, use True */
+#ifdef HAVE_LANGINFO_CODESET
+ if (!strcmp(xtermEnvEncoding(), "ANSI_X3.4-1968")
+ || !strcmp(xtermEnvEncoding(), "ISO-8859-1")) {
+ if (request->screen.utf8_mode == uDefault)
+ request->screen.utf8_mode = uFalse;
+ } else if (!strcmp(xtermEnvEncoding(), "ISO-8859-15")) {
+ if (request->screen.utf8_mode == uDefault)
+ request->screen.utf8_mode = uFalse;
+ request->screen.latin9_mode = 1;
+ } else {
+ request->misc.callfilter = is_utf8 ? 0 : 1;
+ request->screen.utf8_mode = uAlways;
+ }
+#else
+ request->misc.callfilter = is_utf8 ? 0 : 1;
+ request->screen.utf8_mode = uAlways;
+#endif
+ } else {
+ /* other encoding, use False */
+ if (request->screen.utf8_mode == uDefault) {
+ request->screen.utf8_mode = is_utf8 ? uAlways : uFalse;
+ }
+ }
+ } else
+#endif /* OPT_MINI_LUIT */
+ if (x_strcasecmp(request->misc.locale_str, "TRUE") == 0 ||
+ x_strcasecmp(request->misc.locale_str, "ON") == 0 ||
+ x_strcasecmp(request->misc.locale_str, "YES") == 0 ||
+ x_strcasecmp(request->misc.locale_str, "AUTO") == 0 ||
+ strcmp(request->misc.locale_str, "1") == 0) {
+ /* when true ... fully obeying LC_CTYPE locale */
+ request->misc.callfilter = is_utf8 ? 0 : 1;
+ request->screen.utf8_mode = uAlways;
+ } else if (x_strcasecmp(request->misc.locale_str, "FALSE") == 0 ||
+ x_strcasecmp(request->misc.locale_str, "OFF") == 0 ||
+ x_strcasecmp(request->misc.locale_str, "NO") == 0 ||
+ strcmp(request->misc.locale_str, "0") == 0) {
+ /* when false ... original value of utf8_mode is effective */
+ if (request->screen.utf8_mode == uDefault) {
+ request->screen.utf8_mode = is_utf8 ? uAlways : uFalse;
+ }
+ } else if (x_strcasecmp(request->misc.locale_str, "MEDIUM") == 0 ||
+ x_strcasecmp(request->misc.locale_str, "SEMIAUTO") == 0) {
+ /* when medium ... obeying locale only for UTF-8 and Asian */
+ if (is_utf8) {
+ request->screen.utf8_mode = uAlways;
+ } else if (
+#ifdef MB_CUR_MAX
+ MB_CUR_MAX > 1 ||
+#else
+ !strncmp(xtermEnvLocale(), "ja", 2) ||
+ !strncmp(xtermEnvLocale(), "ko", 2) ||
+ !strncmp(xtermEnvLocale(), "zh", 2) ||
+#endif
+ !strncmp(xtermEnvLocale(), "th", 2) ||
+ !strncmp(xtermEnvLocale(), "vi", 2)) {
+ request->misc.callfilter = 1;
+ request->screen.utf8_mode = uAlways;
+ } else {
+ request->screen.utf8_mode = uFalse;
+ }
+ } else if (x_strcasecmp(request->misc.locale_str, "UTF-8") == 0 ||
+ x_strcasecmp(request->misc.locale_str, "UTF8") == 0) {
+ /* when UTF-8 ... UTF-8 mode */
+ request->screen.utf8_mode = uAlways;
+ } else {
+ /* other words are regarded as encoding name passed to luit */
+ request->misc.callfilter = 1;
+ request->screen.utf8_mode = uAlways;
+ request->misc.use_encoding = 1;
+ }
+ TRACE(("... updated misc.callfilter = %s\n", BtoS(request->misc.callfilter)));
+ TRACE(("... updated misc.use_encoding = %s\n", BtoS(request->misc.use_encoding)));
+#else
+ if (request->screen.utf8_mode == uDefault) {
+ request->screen.utf8_mode = is_utf8 ? uAlways : uFalse;
+ }
+#endif /* OPT_LUIT_PROG */
+
+ request->screen.utf8_inparse = (request->screen.utf8_mode != uFalse);
+
+ TRACE(("... updated screen.utf8_mode = %d\n", request->screen.utf8_mode));
+ TRACE(("...VTInitialize_locale done\n"));
+}
+#endif
+
+/* ARGSUSED */
+static void
+VTInitialize(Widget wrequest,
+ Widget new_arg,
+ ArgList args GCC_UNUSED,
+ Cardinal *num_args GCC_UNUSED)
+{
+ XtermWidget request = (XtermWidget) wrequest;
+ XtermWidget wnew = (XtermWidget) new_arg;
+ Widget my_parent = SHELL_OF(wnew);
+ int i;
+ char *s;
+
+#if OPT_ISO_COLORS
+ Bool color_ok;
+#endif
+
+#if OPT_COLOR_RES2 && (MAXCOLORS > MIN_ANSI_COLORS)
+ static XtResource fake_resources[] =
+ {
+#if OPT_256_COLORS
+# include <256colres.h>
+#elif OPT_88_COLORS
+# include <88colres.h>
+#endif
+ };
+#endif /* OPT_COLOR_RES2 */
+
+ TRACE(("VTInitialize\n"));
+
+ /* Zero out the entire "screen" component of "wnew" widget, then do
+ * field-by-field assignment of "screen" fields that are named in the
+ * resource list.
+ */
+ bzero((char *) &wnew->screen, sizeof(wnew->screen));
+
+ /* dummy values so that we don't try to Realize the parent shell with height
+ * or width of 0, which is illegal in X. The real size is computed in the
+ * xtermWidget's Realize proc, but the shell's Realize proc is called first,
+ * and must see a valid size.
+ */
+ wnew->core.height = wnew->core.width = 1;
+
+ /*
+ * The definition of -rv now is that it changes the definition of
+ * XtDefaultForeground and XtDefaultBackground. So, we no longer
+ * need to do anything special.
+ */
+ wnew->screen.display = wnew->core.screen->display;
+
+ /*
+ * We use the default foreground/background colors to compare/check if a
+ * color-resource has been set.
+ */
+#define MyBlackPixel(dpy) BlackPixel(dpy,DefaultScreen(dpy))
+#define MyWhitePixel(dpy) WhitePixel(dpy,DefaultScreen(dpy))
+
+ if (request->misc.re_verse) {
+ wnew->dft_foreground = MyWhitePixel(wnew->screen.display);
+ wnew->dft_background = MyBlackPixel(wnew->screen.display);
+ } else {
+ wnew->dft_foreground = MyBlackPixel(wnew->screen.display);
+ wnew->dft_background = MyWhitePixel(wnew->screen.display);
+ }
+ init_Tres(TEXT_FG);
+ init_Tres(TEXT_BG);
+
+ TRACE(("Color resource initialization:\n"));
+ TRACE((" Default foreground %#lx\n", wnew->dft_foreground));
+ TRACE((" Default background %#lx\n", wnew->dft_background));
+ TRACE((" Screen foreground %#lx\n", T_COLOR(&(wnew->screen), TEXT_FG)));
+ TRACE((" Screen background %#lx\n", T_COLOR(&(wnew->screen), TEXT_BG)));
+
+ wnew->screen.mouse_button = -1;
+ wnew->screen.mouse_row = -1;
+ wnew->screen.mouse_col = -1;
+
+#if OPT_BOX_CHARS
+ init_Bres(screen.force_box_chars);
+ init_Bres(screen.force_all_chars);
+#endif
+ init_Bres(screen.free_bold_box);
+
+ init_Bres(screen.c132);
+ init_Bres(screen.curses);
+ init_Bres(screen.hp_ll_bc);
+#if OPT_XMC_GLITCH
+ init_Ires(screen.xmc_glitch);
+ init_Ires(screen.xmc_attributes);
+ init_Bres(screen.xmc_inline);
+ init_Bres(screen.move_sgr_ok);
+#endif
+#if OPT_BLINK_CURS
+ init_Bres(screen.cursor_blink);
+ init_Ires(screen.blink_on);
+ init_Ires(screen.blink_off);
+ wnew->screen.cursor_blink_res = wnew->screen.cursor_blink;
+#endif
+#if OPT_BLINK_TEXT
+ init_Ires(screen.blink_as_bold);
+#endif
+ init_Ires(screen.border);
+ init_Bres(screen.jumpscroll);
+ init_Bres(screen.old_fkeys);
+ init_Bres(screen.delete_is_del);
+ wnew->keyboard.type = wnew->screen.old_fkeys
+ ? keyboardIsLegacy
+ : keyboardIsDefault;
+#ifdef ALLOWLOGGING
+ init_Sres(screen.logfile);
+#endif
+ init_Bres(screen.bellOnReset);
+ init_Bres(screen.marginbell);
+ init_Bres(screen.multiscroll);
+ init_Ires(screen.nmarginbell);
+ init_Ires(screen.savelines);
+ init_Ires(screen.scrollBarBorder);
+ init_Ires(screen.scrolllines);
+ init_Bres(screen.scrollttyoutput);
+ init_Bres(screen.scrollkey);
+
+ init_Sres(screen.term_id);
+ for (s = request->screen.term_id; *s; s++) {
+ if (!isalpha(CharOf(*s)))
+ break;
+ }
+ wnew->screen.terminal_id = atoi(s);
+ if (wnew->screen.terminal_id < MIN_DECID)
+ wnew->screen.terminal_id = MIN_DECID;
+ if (wnew->screen.terminal_id > MAX_DECID)
+ wnew->screen.terminal_id = MAX_DECID;
+ TRACE(("term_id '%s' -> terminal_id %d\n",
+ wnew->screen.term_id,
+ wnew->screen.terminal_id));
+
+ wnew->screen.vtXX_level = (wnew->screen.terminal_id / 100);
+ init_Bres(screen.visualbell);
+ init_Ires(screen.visualBellDelay);
+ init_Bres(screen.poponbell);
+ init_Ires(misc.limit_resize);
+#if OPT_NUM_LOCK
+ init_Bres(misc.real_NumLock);
+ init_Bres(misc.alwaysUseMods);
+ wnew->misc.num_lock = 0;
+ wnew->misc.alt_left = 0;
+ wnew->misc.alt_right = 0;
+ wnew->misc.meta_trans = False;
+ wnew->misc.meta_left = 0;
+ wnew->misc.meta_right = 0;
+#endif
+#if OPT_SHIFT_FONTS
+ init_Bres(misc.shift_fonts);
+#endif
+#if OPT_SUNPC_KBD
+ init_Ires(misc.ctrl_fkeys);
+#endif
+#if OPT_TEK4014
+ init_Bres(misc.tekInhibit);
+ init_Bres(misc.tekSmall);
+ init_Bres(screen.TekEmu);
+#endif
+#if OPT_TCAP_QUERY
+ wnew->screen.tc_query = -1;
+#endif
+ wnew->misc.re_verse0 = request->misc.re_verse;
+ init_Bres(misc.re_verse);
+ init_Ires(screen.multiClickTime);
+ init_Ires(screen.bellSuppressTime);
+ init_Sres(screen.charClass);
+ init_Bres(screen.cutNewline);
+ init_Bres(screen.cutToBeginningOfLine);
+ init_Bres(screen.highlight_selection);
+ init_Bres(screen.trim_selection);
+ init_Bres(screen.i18nSelections);
+ init_Bres(screen.brokenSelections);
+ init_Bres(screen.always_highlight);
+ wnew->screen.pointer_cursor = request->screen.pointer_cursor;
+
+ init_Sres(screen.answer_back);
+
+ init_Sres(screen.printer_command);
+ init_Bres(screen.printer_autoclose);
+ init_Bres(screen.printer_extent);
+ init_Bres(screen.printer_formfeed);
+ init_Ires(screen.printer_controlmode);
+#if OPT_PRINT_COLORS
+ init_Ires(screen.print_attributes);
+#endif
+
+ init_Sres(screen.keyboard_dialect);
+
+ init_Bres(screen.input_eight_bits);
+ init_Bres(screen.output_eight_bits);
+ init_Bres(screen.control_eight_bits);
+ init_Bres(screen.backarrow_key);
+ init_Bres(screen.meta_sends_esc);
+
+ init_Bres(screen.allowSendEvent0);
+ init_Bres(screen.allowWindowOp0);
+
+ /* make a copy so that editres cannot change the resource after startup */
+ wnew->screen.allowSendEvents = wnew->screen.allowSendEvent0;
+ wnew->screen.allowWindowOps = wnew->screen.allowWindowOp0;
+
+#ifndef NO_ACTIVE_ICON
+ wnew->screen.fnt_icon = request->screen.fnt_icon;
+ init_Bres(misc.active_icon);
+ init_Ires(misc.icon_border_width);
+ wnew->misc.icon_border_pixel = request->misc.icon_border_pixel;
+#endif /* NO_ACTIVE_ICON */
+ init_Bres(misc.titeInhibit);
+ init_Bres(misc.tiXtraScroll);
+ init_Bres(misc.dynamicColors);
+ for (i = fontMenu_font1; i <= fontMenu_lastBuiltin; i++) {
+ init_Sres(screen.MenuFontName(i));
+ }
+ /* set default in realize proc */
+ wnew->screen.MenuFontName(fontMenu_fontdefault) = NULL;
+ wnew->screen.MenuFontName(fontMenu_fontescape) = NULL;
+ wnew->screen.MenuFontName(fontMenu_fontsel) = NULL;
+ wnew->screen.menu_font_number = fontMenu_fontdefault;
+
+#if OPT_BROKEN_OSC
+ init_Bres(screen.brokenLinuxOSC);
+#endif
+
+#if OPT_BROKEN_ST
+ init_Bres(screen.brokenStringTerm);
+#endif
+
+#if OPT_C1_PRINT
+ init_Bres(screen.c1_printable);
+#endif
+
+#if OPT_DEC_CHRSET
+ init_Bres(screen.font_doublesize);
+ init_Ires(screen.cache_doublesize);
+ if (wnew->screen.cache_doublesize > NUM_CHRSET)
+ wnew->screen.cache_doublesize = NUM_CHRSET;
+ if (wnew->screen.cache_doublesize == 0)
+ wnew->screen.font_doublesize = False;
+ TRACE(("Doublesize%s enabled, up to %d fonts\n",
+ wnew->screen.font_doublesize ? "" : " not",
+ wnew->screen.cache_doublesize));
+#endif
+
+#if OPT_ISO_COLORS || OPT_DEC_CHRSET || OPT_WIDE_CHARS
+ wnew->num_ptrs = (OFF_ATTRS + 1); /* OFF_FLAGS, OFF_CHARS, OFF_ATTRS */
+#endif
+#if OPT_ISO_COLORS
+ init_Ires(screen.veryBoldColors);
+ init_Bres(screen.boldColors);
+ init_Bres(screen.colorAttrMode);
+ init_Bres(screen.colorBDMode);
+ init_Bres(screen.colorBLMode);
+ init_Bres(screen.colorMode);
+ init_Bres(screen.colorULMode);
+ init_Bres(screen.italicULMode);
+ init_Bres(screen.colorRVMode);
+
+ for (i = 0, color_ok = False; i < MAXCOLORS; i++) {
+
+#if OPT_COLOR_RES2 && (MAXCOLORS > MIN_ANSI_COLORS)
+ /*
+ * Xt has a hardcoded limit on the maximum number of resources that can
+ * be used in a widget. If we configure both luit (which implies
+ * wide-characters) and 256-colors, it goes over that limit. Most
+ * people would not need a resource-file with 256-colors; the default
+ * values in our table are sufficient. In that case, fake the resource
+ * setting by copying the default value from the table. The #define's
+ * can be overridden to make these true resources.
+ */
+ if (i >= MIN_ANSI_COLORS && i < NUM_ANSI_COLORS) {
+ wnew->screen.Acolors[i].resource
+ = ((char *) fake_resources[i - MIN_ANSI_COLORS].default_addr);
+ if (wnew->screen.Acolors[i].resource == 0)
+ wnew->screen.Acolors[i].resource = XtDefaultForeground;
+ } else
+#endif /* OPT_COLOR_RES2 */
+ wnew->screen.Acolors[i] = request->screen.Acolors[i];
+
+#if OPT_COLOR_RES
+ TRACE(("Acolors[%d] = %s\n", i, wnew->screen.Acolors[i].resource));
+ wnew->screen.Acolors[i].mode = False;
+ if (!x_strcasecmp(wnew->screen.Acolors[i].resource, XtDefaultForeground)) {
+ wnew->screen.Acolors[i].value = T_COLOR(&(wnew->screen), TEXT_FG);
+ wnew->screen.Acolors[i].mode = True;
+ } else if (!x_strcasecmp(wnew->screen.Acolors[i].resource, XtDefaultBackground)) {
+ wnew->screen.Acolors[i].value = T_COLOR(&(wnew->screen), TEXT_BG);
+ wnew->screen.Acolors[i].mode = True;
+ } else {
+ color_ok = True;
+ }
+#else
+ TRACE(("Acolors[%d] = %#lx\n", i, request->screen.Acolors[i]));
+ if (wnew->screen.Acolors[i] != wnew->dft_foreground &&
+ wnew->screen.Acolors[i] != T_COLOR(&(wnew->screen), TEXT_FG) &&
+ wnew->screen.Acolors[i] != T_COLOR(&(wnew->screen), TEXT_BG))
+ color_ok = True;
+#endif
+ }
+
+ /*
+ * Check if we're trying to use color in a monochrome screen. Disable
+ * color in that case, since that would make ANSI colors unusable. A 4-bit
+ * or 8-bit display is usable, so we do not have to check for anything more
+ * specific.
+ */
+ if (color_ok) {
+ Display *display = wnew->screen.display;
+ XVisualInfo myTemplate, *visInfoPtr;
+ int numFound;
+
+ myTemplate.visualid = XVisualIDFromVisual(DefaultVisual(display,
+ XDefaultScreen(display)));
+ visInfoPtr = XGetVisualInfo(display, (long) VisualIDMask,
+ &myTemplate, &numFound);
+ if (visInfoPtr == 0
+ || numFound == 0
+ || visInfoPtr->depth <= 1) {
+ TRACE(("disabling color since screen is monochrome\n"));
+ color_ok = False;
+ } else {
+ XFree(visInfoPtr);
+ }
+ }
+
+ /* If none of the colors are anything other than the foreground or
+ * background, we'll assume this isn't color, no matter what the colorMode
+ * resource says. (There doesn't seem to be any good way to determine if
+ * the resource lookup failed versus the user having misconfigured this).
+ */
+ if (!color_ok) {
+ wnew->screen.colorMode = False;
+ TRACE(("All colors are foreground or background: disable colorMode\n"));
+ }
+#if OPT_EXT_COLORS
+ wnew->num_ptrs = (OFF_BGRND + 1);
+#else
+ wnew->num_ptrs = (OFF_COLOR + 1);
+#endif
+ wnew->sgr_foreground = -1;
+ wnew->sgr_background = -1;
+ wnew->sgr_extended = 0;
+#endif /* OPT_ISO_COLORS */
+
+ init_Tres(MOUSE_FG);
+ init_Tres(MOUSE_BG);
+ init_Tres(TEXT_CURSOR);
+#if OPT_HIGHLIGHT_COLOR
+ init_Tres(HIGHLIGHT_BG);
+#endif
+
+#if OPT_TEK4014
+ /*
+ * The Tek4014 window has no separate resources for foreground, background
+ * and cursor color. Since xterm always creates the vt100 widget first, we
+ * can set the Tektronix colors here. That lets us use escape sequences to
+ * set its dynamic colors and get consistent behavior whether or not the
+ * window is displayed.
+ */
+ T_COLOR(&(wnew->screen), TEK_BG) = T_COLOR(&(wnew->screen), TEXT_BG);
+ T_COLOR(&(wnew->screen), TEK_FG) = T_COLOR(&(wnew->screen), TEXT_FG);
+ T_COLOR(&(wnew->screen), TEK_CURSOR) = T_COLOR(&(wnew->screen), TEXT_CURSOR);
+#endif
+
+#if OPT_DEC_CHRSET
+ wnew->num_ptrs = (OFF_CSETS + 1);
+#endif
+
+#if OPT_WIDE_CHARS
+ VTInitialize_locale(request);
+
+#if OPT_LUIT_PROG
+ init_Bres(misc.callfilter);
+ init_Bres(misc.use_encoding);
+ init_Sres(misc.locale_str);
+ init_Sres(misc.localefilter);
+#endif
+
+#if OPT_RENDERFONT
+ init_Dres(misc.face_size);
+ init_Sres(misc.face_name);
+ init_Sres(misc.face_wide_name);
+ init_Bres(misc.render_font);
+ /* minor tweak to make debug traces consistent: */
+ if (wnew->misc.render_font) {
+ if (wnew->misc.face_name == 0) {
+ wnew->misc.render_font = False;
+ TRACE(("reset render_font since there is no face_name\n"));
+ }
+ }
+#endif
+
+ init_Bres(screen.vt100_graphics);
+ init_Ires(screen.utf8_mode);
+ init_Bres(screen.wide_chars);
+ init_Bres(misc.mk_width);
+ init_Bres(misc.cjk_width);
+ if (request->screen.utf8_mode) {
+ TRACE(("setting wide_chars on\n"));
+ wnew->screen.wide_chars = True;
+ } else {
+ TRACE(("setting utf8_mode to 0\n"));
+ wnew->screen.utf8_mode = uFalse;
+ }
+ TRACE(("initialized UTF-8 mode to %d\n", wnew->screen.utf8_mode));
+
+#if OPT_MINI_LUIT
+ if (request->screen.latin9_mode) {
+ wnew->screen.latin9_mode = True;
+ }
+ if (request->screen.unicode_font) {
+ wnew->screen.unicode_font = True;
+ }
+ TRACE(("initialized Latin9 mode to %d\n", wnew->screen.latin9_mode));
+ TRACE(("initialized unicode_font to %d\n", wnew->screen.unicode_font));
+#endif
+
+ if (wnew->screen.wide_chars != False)
+ wnew->num_ptrs = (OFF_COM2H + 1);
+
+ decode_wcwidth((wnew->misc.cjk_width ? 2 : 0)
+ + (wnew->misc.mk_width ? 1 : 0)
+ + 1);
+#endif /* OPT_WIDE_CHARS */
+
+ init_Bres(screen.bold_mode);
+ init_Bres(screen.underline);
+
+ wnew->cur_foreground = 0;
+ wnew->cur_background = 0;
+
+ wnew->keyboard.flags = MODE_SRM;
+ if (wnew->screen.backarrow_key)
+ wnew->keyboard.flags |= MODE_DECBKM;
+ TRACE(("initialized DECBKM %s\n",
+ BtoS(wnew->keyboard.flags & MODE_DECBKM)));
+
+ /* look for focus related events on the shell, because we need
+ * to care about the shell's border being part of our focus.
+ */
+ XtAddEventHandler(my_parent, EnterWindowMask, False,
+ HandleEnterWindow, (Opaque) NULL);
+ XtAddEventHandler(my_parent, LeaveWindowMask, False,
+ HandleLeaveWindow, (Opaque) NULL);
+ XtAddEventHandler(my_parent, FocusChangeMask, False,
+ HandleFocusChange, (Opaque) NULL);
+ XtAddEventHandler((Widget) wnew, 0L, True,
+ VTNonMaskableEvent, (Opaque) NULL);
+ XtAddEventHandler((Widget) wnew, PropertyChangeMask, False,
+ HandleBellPropertyChange, (Opaque) NULL);
+
+#if HANDLE_STRUCT_NOTIFY
+#if OPT_TOOLBAR
+ wnew->VT100_TB_INFO(menu_bar) = request->VT100_TB_INFO(menu_bar);
+ init_Ires(VT100_TB_INFO(menu_height));
+#else
+ /* Flag icon name with "***" on window output when iconified.
+ * Put in a handler that will tell us when we get Map/Unmap events.
+ */
+ if (zIconBeep)
+#endif
+ XtAddEventHandler(my_parent, StructureNotifyMask, False,
+ HandleStructNotify, (Opaque) 0);
+#endif /* HANDLE_STRUCT_NOTIFY */
+
+ wnew->screen.bellInProgress = False;
+
+ set_character_class(wnew->screen.charClass);
+
+ /* create it, but don't realize it */
+ ScrollBarOn(wnew, True, False);
+
+ /* make sure that the resize gravity acceptable */
+ if (wnew->misc.resizeGravity != NorthWestGravity &&
+ wnew->misc.resizeGravity != SouthWestGravity) {
+ Cardinal nparams = 1;
+
+ XtAppWarningMsg(app_con, "rangeError", "resizeGravity", "XTermError",
+ "unsupported resizeGravity resource value (%d)",
+ (String *) & (wnew->misc.resizeGravity), &nparams);
+ wnew->misc.resizeGravity = SouthWestGravity;
+ }
+#ifndef NO_ACTIVE_ICON
+ wnew->screen.whichVwin = &wnew->screen.fullVwin;
+#if OPT_TEK4014
+ wnew->screen.whichTwin = &wnew->screen.fullTwin;
+#endif
+#endif /* NO_ACTIVE_ICON */
+
+ if (wnew->screen.savelines < 0)
+ wnew->screen.savelines = 0;
+
+ init_Bres(screen.awaitInput);
+
+ wnew->flags = 0;
+ if (!wnew->screen.jumpscroll)
+ wnew->flags |= SMOOTHSCROLL;
+ if (wnew->misc.reverseWrap)
+ wnew->flags |= REVERSEWRAP;
+ if (wnew->misc.autoWrap)
+ wnew->flags |= WRAPAROUND;
+ if (wnew->misc.re_verse != wnew->misc.re_verse0)
+ wnew->flags |= REVERSE_VIDEO;
+ if (wnew->screen.c132)
+ wnew->flags |= IN132COLUMNS;
+
+ wnew->initflags = wnew->flags;
+
+ init_Ires(keyboard.modify_cursor_keys);
+
+ init_Ires(misc.appcursorDefault);
+ if (wnew->misc.appcursorDefault)
+ wnew->keyboard.flags |= MODE_DECCKM;
+
+ init_Ires(misc.appkeypadDefault);
+ if (wnew->misc.appkeypadDefault)
+ wnew->keyboard.flags |= MODE_DECKPAM;
+
+ return;
+}
+
+static void
+VTDestroy(Widget w)
+{
+ XtFree((char *) (((XtermWidget) w)->screen.selection_data));
+}
+
+/*ARGSUSED*/
+static void
+VTRealize(Widget w,
+ XtValueMask * valuemask,
+ XSetWindowAttributes * values)
+{
+ XtermWidget xw = (XtermWidget) w;
+ TScreen *screen = &xw->screen;
+
+ unsigned width, height;
+ int xpos, ypos, pr;
+ XSizeHints sizehints;
+ Atom pid_atom;
+
+ TRACE(("VTRealize\n"));
+
+ TabReset(xw->tabs);
+
+ screen->MenuFontName(fontMenu_fontdefault) = xw->misc.default_font.f_n;
+ screen->fnt_norm = NULL;
+ screen->fnt_bold = NULL;
+#if OPT_WIDE_CHARS
+ screen->fnt_dwd = NULL;
+ screen->fnt_dwdb = NULL;
+#endif
+ if (!xtermLoadFont(xw,
+ &(xw->misc.default_font),
+ False, 0)) {
+ if (XmuCompareISOLatin1(xw->misc.default_font.f_n, "fixed") != 0) {
+ fprintf(stderr,
+ "%s: unable to open font \"%s\", trying \"fixed\"....\n",
+ xterm_name, xw->misc.default_font.f_n);
+ (void) xtermLoadFont(xw,
+ xtermFontName("fixed"),
+ False, 0);
+ screen->MenuFontName(fontMenu_fontdefault) = "fixed";
+ }
+ }
+
+ /* really screwed if we couldn't open default font */
+ if (!screen->fnt_norm) {
+ fprintf(stderr, "%s: unable to locate a suitable font\n",
+ xterm_name);
+ Exit(1);
+ }
+#if OPT_WIDE_CHARS
+ if (xw->screen.utf8_mode) {
+ TRACE(("check if this is a wide font, if not try again\n"));
+ if (xtermLoadWideFonts(xw, False))
+ SetVTFont(xw, screen->menu_font_number, TRUE, NULL);
+ }
+#endif
+
+ /* making cursor */
+ if (!screen->pointer_cursor) {
+ screen->pointer_cursor =
+ make_colored_cursor(XC_xterm,
+ T_COLOR(screen, MOUSE_FG),
+ T_COLOR(screen, MOUSE_BG));
+ } else {
+ recolor_cursor(screen->pointer_cursor,
+ T_COLOR(screen, MOUSE_FG),
+ T_COLOR(screen, MOUSE_BG));
+ }
+
+ /* set defaults */
+ xpos = 1;
+ ypos = 1;
+ width = 80;
+ height = 24;
+
+ TRACE(("parsing geo_metry %s\n", NonNull(xw->misc.geo_metry)));
+ pr = XParseGeometry(xw->misc.geo_metry, &xpos, &ypos,
+ &width, &height);
+ TRACE(("... position %d,%d size %dx%d\n", ypos, xpos, height, width));
+
+ set_max_col(screen, (int) (width - 1)); /* units in character cells */
+ set_max_row(screen, (int) (height - 1)); /* units in character cells */
+ xtermUpdateFontInfo(xw, False);
+
+ width = screen->fullVwin.fullwidth;
+ height = screen->fullVwin.fullheight;
+
+ TRACE(("... border widget %d parent %d shell %d\n",
+ BorderWidth(xw),
+ BorderWidth(XtParent(xw)),
+ BorderWidth(SHELL_OF(xw))));
+
+ if ((pr & XValue) && (XNegative & pr)) {
+ xpos += DisplayWidth(screen->display, DefaultScreen(screen->display))
+ - width - (BorderWidth(XtParent(xw)) * 2);
+ }
+ if ((pr & YValue) && (YNegative & pr)) {
+ ypos += DisplayHeight(screen->display, DefaultScreen(screen->display))
+ - height - (BorderWidth(XtParent(xw)) * 2);
+ }
+
+ /* set up size hints for window manager; min 1 char by 1 char */
+ bzero(&sizehints, sizeof(sizehints));
+ xtermSizeHints(xw, &sizehints, (xw->misc.scrollbar
+ ? (screen->scrollWidget->core.width
+ + BorderWidth(screen->scrollWidget))
+ : 0));
+
+ sizehints.x = xpos;
+ sizehints.y = ypos;
+ if ((XValue & pr) || (YValue & pr)) {
+ sizehints.flags |= USSize | USPosition;
+ sizehints.flags |= PWinGravity;
+ switch (pr & (XNegative | YNegative)) {
+ case 0:
+ sizehints.win_gravity = NorthWestGravity;
+ break;
+ case XNegative:
+ sizehints.win_gravity = NorthEastGravity;
+ break;
+ case YNegative:
+ sizehints.win_gravity = SouthWestGravity;
+ break;
+ default:
+ sizehints.win_gravity = SouthEastGravity;
+ break;
+ }
+ } else {
+ /* set a default size, but do *not* set position */
+ sizehints.flags |= PSize;
+ }
+ sizehints.height = sizehints.base_height
+ + sizehints.height_inc * MaxRows(screen);
+ sizehints.width = sizehints.base_width
+ + sizehints.width_inc * MaxCols(screen);
+
+ if ((WidthValue & pr) || (HeightValue & pr))
+ sizehints.flags |= USSize;
+ else
+ sizehints.flags |= PSize;
+
+ /*
+ * Note that the size-hints are for the shell, while the resize-request
+ * is for the vt100 widget. They are not the same size.
+ */
+ TRACE(("make resize request %dx%d\n", height, width));
+ (void) XtMakeResizeRequest((Widget) xw,
+ (Dimension) width, (Dimension) height,
+ &xw->core.width, &xw->core.height);
+ TRACE(("...made resize request %dx%d\n", xw->core.height, xw->core.width));
+
+ /* XXX This is bogus. We are parsing geometries too late. This
+ * is information that the shell widget ought to have before we get
+ * realized, so that it can do the right thing.
+ */
+ if (sizehints.flags & USPosition)
+ XMoveWindow(XtDisplay(xw), XtWindow(SHELL_OF(xw)),
+ sizehints.x, sizehints.y);
+
+ TRACE(("%s@%d -- ", __FILE__, __LINE__));
+ TRACE_HINTS(&sizehints);
+ XSetWMNormalHints(XtDisplay(xw), XtWindow(SHELL_OF(xw)), &sizehints);
+ TRACE(("%s@%d -- ", __FILE__, __LINE__));
+ TRACE_WM_HINTS(xw);
+
+ if ((pid_atom = XInternAtom(XtDisplay(xw), "_NET_WM_PID", False)) != None) {
+ /* XChangeProperty format 32 really is "long" */
+ unsigned long pid_l = (unsigned long) getpid();
+ TRACE(("Setting _NET_WM_PID property to %lu\n", pid_l));
+ XChangeProperty(XtDisplay(xw), VShellWindow,
+ pid_atom, XA_CARDINAL, 32, PropModeReplace,
+ (unsigned char *) &pid_l, 1);
+ }
+
+ XFlush(XtDisplay(xw)); /* get it out to window manager */
+
+ /* use ForgetGravity instead of SouthWestGravity because translating
+ the Expose events for ConfigureNotifys is too hard */
+ values->bit_gravity = ((xw->misc.resizeGravity == NorthWestGravity)
+ ? NorthWestGravity
+ : ForgetGravity);
+ xw->screen.fullVwin.window = XtWindow(xw) =
+ XCreateWindow(XtDisplay(xw), XtWindow(XtParent(xw)),
+ xw->core.x, xw->core.y,
+ xw->core.width, xw->core.height, BorderWidth(xw),
+ (int) xw->core.depth,
+ InputOutput, CopyFromParent,
+ *valuemask | CWBitGravity, values);
+ screen->event_mask = values->event_mask;
+
+#ifndef NO_ACTIVE_ICON
+ if (xw->misc.active_icon && screen->fnt_icon) {
+ int iconX = 0, iconY = 0;
+ Widget shell = SHELL_OF(xw);
+ unsigned long mask;
+ XGCValues xgcv;
+
+ TRACE(("Initializing active-icon\n"));
+ XtVaGetValues(shell, XtNiconX, &iconX, XtNiconY, &iconY, (XtPointer) 0);
+ xtermComputeFontInfo(xw, &(screen->iconVwin), screen->fnt_icon, 0);
+
+ /* since only one client is permitted to select for Button
+ * events, we have to let the window manager get 'em...
+ */
+ values->event_mask &= ~(ButtonPressMask | ButtonReleaseMask);
+ values->border_pixel = xw->misc.icon_border_pixel;
+
+ screen->iconVwin.window =
+ XCreateWindow(XtDisplay(xw),
+ RootWindowOfScreen(XtScreen(shell)),
+ iconX, iconY,
+ screen->iconVwin.fullwidth,
+ screen->iconVwin.fullheight,
+ xw->misc.icon_border_width,
+ (int) xw->core.depth,
+ InputOutput, CopyFromParent,
+ *valuemask | CWBitGravity | CWBorderPixel,
+ values);
+ XtVaSetValues(shell,
+ XtNiconWindow, screen->iconVwin.window,
+ (XtPointer) 0);
+ XtRegisterDrawable(XtDisplay(xw), screen->iconVwin.window, w);
+
+ mask = (GCFont | GCForeground | GCBackground |
+ GCGraphicsExposures | GCFunction);
+
+ xgcv.font = screen->fnt_icon->fid;
+ xgcv.foreground = T_COLOR(screen, TEXT_FG);
+ xgcv.background = T_COLOR(screen, TEXT_BG);
+ xgcv.graphics_exposures = True; /* default */
+ xgcv.function = GXcopy;
+
+ screen->iconVwin.normalGC =
+ screen->iconVwin.normalboldGC =
+ XtGetGC(shell, mask, &xgcv);
+
+ xgcv.foreground = T_COLOR(screen, TEXT_BG);
+ xgcv.background = T_COLOR(screen, TEXT_FG);
+
+ screen->iconVwin.reverseGC =
+ screen->iconVwin.reverseboldGC =
+ XtGetGC(shell, mask, &xgcv);
+#if OPT_TOOLBAR
+ /*
+ * Toolbar is initialized before we get here. Enable the menu item
+ * and set it properly.
+ */
+ set_sensitivity(mw,
+ vtMenuEntries[vtMenu_activeicon].widget,
+ True);
+ update_activeicon();
+#endif
+ } else {
+ TRACE(("Disabled active-icon\n"));
+ xw->misc.active_icon = False;
+ }
+#endif /* NO_ACTIVE_ICON */
+
+#if OPT_I18N_SUPPORT && OPT_INPUT_METHOD
+ VTInitI18N();
+#else
+ xw->screen.xic = NULL;
+#endif
+#if OPT_NUM_LOCK
+ VTInitModifiers();
+#endif
+
+ set_cursor_gcs(screen);
+
+ /* Reset variables used by ANSI emulation. */
+
+ resetCharsets(screen);
+
+ XDefineCursor(screen->display, VShellWindow, screen->pointer_cursor);
+
+ set_cur_col(screen, 0);
+ set_cur_row(screen, 0);
+ set_max_col(screen, Width(screen) / screen->fullVwin.f_width - 1);
+ set_max_row(screen, Height(screen) / screen->fullVwin.f_height - 1);
+ set_tb_margins(screen, 0, screen->max_row);
+
+ memset(screen->sc, 0, sizeof(screen->sc));
+
+ /* Mark screen buffer as unallocated. We wait until the run loop so
+ that the child process does not fork and exec with all the dynamic
+ memory it will never use. If we were to do it here, the
+ swap space for new process would be huge for huge savelines. */
+#if OPT_TEK4014
+ if (!tekWidget) /* if not called after fork */
+#endif
+ screen->visbuf = screen->allbuf = NULL;
+
+ screen->do_wrap = 0;
+ screen->scrolls = screen->incopy = 0;
+ xtermSetCursorBox(screen);
+
+ screen->savedlines = 0;
+
+ if (xw->misc.scrollbar) {
+ screen->fullVwin.sb_info.width = 0;
+ ScrollBarOn(xw, False, True);
+ }
+ CursorSave(xw);
+ return;
+}
+
+#if OPT_I18N_SUPPORT && OPT_INPUT_METHOD
+
+/* limit this feature to recent XFree86 since X11R6.x core dumps */
+#if defined(XtSpecificationRelease) && XtSpecificationRelease >= 6 && defined(X_HAVE_UTF8_STRING)
+#define USE_XIM_INSTANTIATE_CB
+
+static void
+xim_instantiate_cb(Display * display,
+ XPointer client_data GCC_UNUSED,
+ XPointer call_data GCC_UNUSED)
+{
+ if (display != XtDisplay(term))
+ return;
+
+ VTInitI18N();
+}
+
+static void
+xim_destroy_cb(XIM im GCC_UNUSED,
+ XPointer client_data GCC_UNUSED,
+ XPointer call_data GCC_UNUSED)
+{
+ term->screen.xic = NULL;
+
+ XRegisterIMInstantiateCallback(XtDisplay(term), NULL, NULL, NULL,
+ xim_instantiate_cb, NULL);
+}
+#endif /* X11R6+ */
+
+static void
+xim_real_init(void)
+{
+ unsigned i, j;
+ char *p, *s, *t, *ns, *end, buf[32];
+ XIMStyles *xim_styles;
+ XIMStyle input_style = 0;
+ Bool found;
+ static struct {
+ char *name;
+ unsigned long code;
+ } known_style[] = {
+ {
+ "OverTheSpot", (XIMPreeditPosition | XIMStatusNothing)
+ },
+ {
+ "OffTheSpot", (XIMPreeditArea | XIMStatusArea)
+ },
+ {
+ "Root", (XIMPreeditNothing | XIMStatusNothing)
+ },
+ };
+
+ term->screen.xic = NULL;
+
+ if (term->misc.cannot_im) {
+ return;
+ }
+
+ if (!term->misc.input_method || !*term->misc.input_method) {
+ if ((p = XSetLocaleModifiers("")) != NULL && *p)
+ term->screen.xim = XOpenIM(XtDisplay(term), NULL, NULL, NULL);
+ } else {
+ s = term->misc.input_method;
+ i = 5 + strlen(s);
+ t = (char *) MyStackAlloc(i, buf);
+ if (t == NULL)
+ SysError(ERROR_VINIT);
+
+ for (ns = s; ns && *s;) {
+ while (*s && isspace(CharOf(*s)))
+ s++;
+ if (!*s)
+ break;
+ if ((ns = end = strchr(s, ',')) == 0)
+ end = s + strlen(s);
+ while ((end != s) && isspace(CharOf(end[-1])))
+ end--;
+
+ if (end != s) {
+ strcpy(t, "@im=");
+ strncat(t, s, (unsigned) (end - s));
+
+ if ((p = XSetLocaleModifiers(t)) != 0 && *p
+ && (term->screen.xim = XOpenIM(XtDisplay(term),
+ NULL,
+ NULL,
+ NULL)) != 0)
+ break;
+
+ }
+ s = ns + 1;
+ }
+ MyStackFree(t, buf);
+ }
+
+ if (term->screen.xim == NULL
+ && (p = XSetLocaleModifiers("@im=none")) != NULL
+ && *p) {
+ term->screen.xim = XOpenIM(XtDisplay(term), NULL, NULL, NULL);
+ }
+
+ if (!term->screen.xim) {
+ fprintf(stderr, "Failed to open input method\n");
+ return;
+ }
+ TRACE(("VTInitI18N opened input method\n"));
+
+ if (XGetIMValues(term->screen.xim, XNQueryInputStyle, &xim_styles, NULL)
+ || !xim_styles
+ || !xim_styles->count_styles) {
+ fprintf(stderr, "input method doesn't support any style\n");
+ XCloseIM(term->screen.xim);
+ term->misc.cannot_im = True;
+ return;
+ }
+
+ found = False;
+ for (s = term->misc.preedit_type; s && !found;) {
+ while (*s && isspace(CharOf(*s)))
+ s++;
+ if (!*s)
+ break;
+ if ((ns = end = strchr(s, ',')) != 0)
+ ns++;
+ else
+ end = s + strlen(s);
+ while ((end != s) && isspace(CharOf(end[-1])))
+ end--;
+
+ if (end != s) { /* just in case we have a spurious comma */
+ TRACE(("looking for style '%.*s'\n", end - s, s));
+ for (i = 0; i < XtNumber(known_style); i++) {
+ if ((int) strlen(known_style[i].name) == (end - s)
+ && !strncmp(s, known_style[i].name, (unsigned) (end - s))) {
+ input_style = known_style[i].code;
+ for (j = 0; j < xim_styles->count_styles; j++) {
+ if (input_style == xim_styles->supported_styles[j]) {
+ found = True;
+ break;
+ }
+ }
+ if (found)
+ break;
+ }
+ }
+ }
+
+ s = ns;
+ }
+ XFree(xim_styles);
+
+ if (!found) {
+ fprintf(stderr,
+ "input method doesn't support my preedit type (%s)\n",
+ term->misc.preedit_type);
+ XCloseIM(term->screen.xim);
+ term->misc.cannot_im = True;
+ return;
+ }
+
+ /*
+ * Check for styles we do not yet support.
+ */
+ TRACE(("input_style %#lx\n", input_style));
+ if (input_style == (XIMPreeditArea | XIMStatusArea)) {
+ fprintf(stderr,
+ "This program doesn't support the 'OffTheSpot' preedit type\n");
+ XCloseIM(term->screen.xim);
+ term->misc.cannot_im = True;
+ return;
+ }
+
+ /*
+ * For XIMPreeditPosition (or OverTheSpot), XIM client has to
+ * prepare a font.
+ * The font has to be locale-dependent XFontSet, whereas
+ * XTerm use Unicode font. This leads a problem that the
+ * same font cannot be used for XIM preedit.
+ */
+ if (input_style != (XIMPreeditNothing | XIMStatusNothing)) {
+ char **missing_charset_list;
+ int missing_charset_count;
+ char *def_string;
+ XVaNestedList p_list;
+ XPoint spot =
+ {0, 0};
+ XFontStruct **fonts;
+ char **font_name_list;
+
+ term->screen.fs = XCreateFontSet(XtDisplay(term),
+ term->misc.f_x,
+ &missing_charset_list,
+ &missing_charset_count,
+ &def_string);
+ if (term->screen.fs == NULL) {
+ fprintf(stderr, "Preparation of font set "
+ "\"%s\" for XIM failed.\n", term->misc.f_x);
+ term->screen.fs = XCreateFontSet(XtDisplay(term),
+ DEFXIMFONT,
+ &missing_charset_list,
+ &missing_charset_count,
+ &def_string);
+ }
+ if (term->screen.fs == NULL) {
+ fprintf(stderr, "Preparation of default font set "
+ "\"%s\" for XIM failed.\n", DEFXIMFONT);
+ XCloseIM(term->screen.xim);
+ term->misc.cannot_im = True;
+ return;
+ }
+ (void) XExtentsOfFontSet(term->screen.fs);
+ j = XFontsOfFontSet(term->screen.fs, &fonts, &font_name_list);
+ for (i = 0, term->screen.fs_ascent = 0; i < j; i++) {
+ if (term->screen.fs_ascent < (*fonts)->ascent)
+ term->screen.fs_ascent = (*fonts)->ascent;
+ }
+ p_list = XVaCreateNestedList(0,
+ XNSpotLocation, &spot,
+ XNFontSet, term->screen.fs,
+ NULL);
+ term->screen.xic = XCreateIC(term->screen.xim,
+ XNInputStyle, input_style,
+ XNClientWindow, XtWindow(term),
+ XNFocusWindow, XtWindow(term),
+ XNPreeditAttributes, p_list,
+ NULL);
+ } else {
+ term->screen.xic = XCreateIC(term->screen.xim, XNInputStyle, input_style,
+ XNClientWindow, XtWindow(term),
+ XNFocusWindow, XtWindow(term),
+ NULL);
+ }
+
+ if (!term->screen.xic) {
+ fprintf(stderr, "Failed to create input context\n");
+ XCloseIM(term->screen.xim);
+ }
+#if defined(USE_XIM_INSTANTIATE_CB)
+ else {
+ XIMCallback destroy_cb;
+
+ destroy_cb.callback = xim_destroy_cb;
+ destroy_cb.client_data = NULL;
+ if (XSetIMValues(term->screen.xim, XNDestroyCallback, &destroy_cb, NULL))
+ fprintf(stderr, "Could not set destroy callback to IM\n");
+ }
+#endif
+
+ return;
+}
+
+static void
+VTInitI18N(void)
+{
+ if (term->misc.open_im) {
+ xim_real_init();
+
+#if defined(USE_XIM_INSTANTIATE_CB)
+ if (term->screen.xic == NULL && !term->misc.cannot_im) {
+ sleep(3);
+ XRegisterIMInstantiateCallback(XtDisplay(term), NULL, NULL, NULL,
+ xim_instantiate_cb, NULL);
+ }
+#endif
+ }
+}
+#endif /* OPT_I18N_SUPPORT && OPT_INPUT_METHOD */
+
+static Boolean
+VTSetValues(Widget cur,
+ Widget request GCC_UNUSED,
+ Widget wnew,
+ ArgList args GCC_UNUSED,
+ Cardinal *num_args GCC_UNUSED)
+{
+ XtermWidget curvt = (XtermWidget) cur;
+ XtermWidget newvt = (XtermWidget) wnew;
+ Bool refresh_needed = False;
+ Bool fonts_redone = False;
+
+ if ((T_COLOR(&(curvt->screen), TEXT_BG) !=
+ T_COLOR(&(newvt->screen), TEXT_BG)) ||
+ (T_COLOR(&(curvt->screen), TEXT_FG) !=
+ T_COLOR(&(newvt->screen), TEXT_FG)) ||
+ (curvt->screen.MenuFontName(curvt->screen.menu_font_number) !=
+ newvt->screen.MenuFontName(newvt->screen.menu_font_number)) ||
+ (curvt->misc.default_font.f_n != newvt->misc.default_font.f_n)) {
+ if (curvt->misc.default_font.f_n != newvt->misc.default_font.f_n)
+ newvt->screen.MenuFontName(fontMenu_fontdefault) = newvt->misc.default_font.f_n;
+ if (xtermLoadFont(newvt,
+ xtermFontName(newvt->screen.MenuFontName(curvt->screen.menu_font_number)),
+ True, newvt->screen.menu_font_number)) {
+ /* resizing does the redisplay, so don't ask for it here */
+ refresh_needed = True;
+ fonts_redone = True;
+ } else if (curvt->misc.default_font.f_n != newvt->misc.default_font.f_n)
+ newvt->screen.MenuFontName(fontMenu_fontdefault) = curvt->misc.default_font.f_n;
+ }
+ if (!fonts_redone
+ && (T_COLOR(&(curvt->screen), TEXT_CURSOR) !=
+ T_COLOR(&(newvt->screen), TEXT_CURSOR))) {
+ set_cursor_gcs(&newvt->screen);
+ refresh_needed = True;
+ }
+ if (curvt->misc.re_verse != newvt->misc.re_verse) {
+ newvt->flags ^= REVERSE_VIDEO;
+ ReverseVideo(newvt);
+ newvt->misc.re_verse = !newvt->misc.re_verse; /* ReverseVideo toggles */
+ refresh_needed = True;
+ }
+ if ((T_COLOR(&(curvt->screen), MOUSE_FG) !=
+ T_COLOR(&(newvt->screen), MOUSE_FG)) ||
+ (T_COLOR(&(curvt->screen), MOUSE_BG) !=
+ T_COLOR(&(newvt->screen), MOUSE_BG))) {
+ recolor_cursor(newvt->screen.pointer_cursor,
+ T_COLOR(&(newvt->screen), MOUSE_FG),
+ T_COLOR(&(newvt->screen), MOUSE_BG));
+ refresh_needed = True;
+ }
+ if (curvt->misc.scrollbar != newvt->misc.scrollbar) {
+ ToggleScrollBar(newvt);
+ }
+
+ return refresh_needed;
+}
+
+#define setGC(value) set_at = __LINE__, currentGC = value
+
+#define OutsideSelection(screen,row,col) \
+ ((row) > (screen)->endHRow || \
+ ((row) == (screen)->endHRow && \
+ (col) >= (screen)->endHCol) || \
+ (row) < (screen)->startHRow || \
+ ((row) == (screen)->startHRow && \
+ (col) < (screen)->startHCol))
+
+/*
+ * Shows cursor at new cursor position in screen.
+ */
+void
+ShowCursor(void)
+{
+ TScreen *screen = &term->screen;
+ int x, y;
+ Char clo;
+ unsigned flags;
+ unsigned fg_bg = 0;
+ GC currentGC;
+ int set_at;
+ Bool in_selection;
+ Bool reversed;
+ Pixel fg_pix;
+ Pixel bg_pix;
+ Pixel tmp;
+#if OPT_HIGHLIGHT_COLOR
+ Pixel hi_pix = T_COLOR(screen, HIGHLIGHT_BG);
+#endif
+#if OPT_WIDE_CHARS
+ Char chi = 0;
+ Char c1h = 0;
+ Char c1l = 0;
+ Char c2h = 0;
+ Char c2l = 0;
+ int base;
+#endif
+ int cursor_col;
+
+ if (screen->cursor_state == BLINKED_OFF)
+ return;
+
+ if (eventMode != NORMAL)
+ return;
+
+ if (screen->cur_row - screen->topline > screen->max_row)
+ return;
+
+ screen->cursor_row = screen->cur_row;
+ cursor_col = screen->cursor_col = screen->cur_col;
+ screen->cursor_moved = False;
+
+#ifndef NO_ACTIVE_ICON
+ if (IsIcon(screen)) {
+ screen->cursor_state = ON;
+ return;
+ }
+#endif /* NO_ACTIVE_ICON */
+
+#if OPT_WIDE_CHARS
+ base =
+#endif
+ clo = SCRN_BUF_CHARS(screen, screen->cursor_row)[cursor_col];
+
+ if_OPT_WIDE_CHARS(screen, {
+ int my_col;
+ chi = SCRN_BUF_WIDEC(screen, screen->cursor_row)[cursor_col];
+ if (clo == HIDDEN_LO && chi == HIDDEN_HI && cursor_col > 0) {
+ /* if cursor points to non-initial part of wide character,
+ * back it up
+ */
+ --cursor_col;
+ clo = SCRN_BUF_CHARS(screen, screen->cursor_row)[cursor_col];
+ chi = SCRN_BUF_WIDEC(screen, screen->cursor_row)[cursor_col];
+ }
+ my_col = cursor_col;
+ base = (chi << 8) | clo;
+ if (iswide(base))
+ my_col += 1;
+ c1l = SCRN_BUF_COM1L(screen, screen->cursor_row)[my_col];
+ c1h = SCRN_BUF_COM1H(screen, screen->cursor_row)[my_col];
+ c2l = SCRN_BUF_COM2L(screen, screen->cursor_row)[my_col];
+ c2h = SCRN_BUF_COM2H(screen, screen->cursor_row)[my_col];
+ });
+
+ flags = SCRN_BUF_ATTRS(screen, screen->cursor_row)[cursor_col];
+
+ if (clo == 0
+#if OPT_WIDE_CHARS
+ && chi == 0
+#endif
+ ) {
+ clo = ' ';
+ }
+
+ /*
+ * If the cursor happens to be on blanks, and the foreground color is set
+ * but not the background, do not treat it as a colored cell.
+ */
+#if OPT_ISO_COLORS
+ if ((flags & TERM_COLOR_FLAGS(term)) == BG_COLOR
+#if OPT_WIDE_CHARS
+ && chi == 0
+#endif
+ && clo == ' ') {
+ flags &= ~TERM_COLOR_FLAGS(term);
+ }
+#endif
+
+ /*
+ * Compare the current cell to the last set of colors used for the
+ * cursor and update the GC's if needed.
+ */
+ if_OPT_EXT_COLORS(screen, {
+ fg_bg = (SCRN_BUF_FGRND(screen, screen->cursor_row)[cursor_col] << 8)
+ | (SCRN_BUF_BGRND(screen, screen->cursor_row)[cursor_col]);
+ });
+ if_OPT_ISO_TRADITIONAL_COLORS(screen, {
+ fg_bg = SCRN_BUF_COLOR(screen, screen->cursor_row)[cursor_col];
+ });
+ fg_pix = getXtermForeground(flags, extract_fg(fg_bg, flags));
+ bg_pix = getXtermBackground(flags, extract_bg(fg_bg, flags));
+
+ if (OutsideSelection(screen, screen->cur_row, screen->cur_col))
+ in_selection = False;
+ else
+ in_selection = True;
+
+ reversed = ReverseOrHilite(screen, flags, in_selection);
+
+ /* This is like updatedXtermGC(), except that we have to worry about
+ * whether the window has focus, since in that case we want just an
+ * outline for the cursor.
+ */
+ if (screen->select || screen->always_highlight) {
+ if (reversed) { /* text is reverse video */
+ if (screen->cursorGC) {
+ setGC(screen->cursorGC);
+ } else {
+ if (flags & BOLDATTR(screen)) {
+ setGC(NormalBoldGC(screen));
+ } else {
+ setGC(NormalGC(screen));
+ }
+ }
+#if OPT_HIGHLIGHT_COLOR
+ if (hi_pix != T_COLOR(screen, TEXT_FG)
+ && hi_pix != fg_pix
+ && hi_pix != bg_pix
+ && hi_pix != term->dft_foreground) {
+ bg_pix = fg_pix;
+ fg_pix = hi_pix;
+ }
+#endif
+ EXCHANGE(fg_pix, bg_pix, tmp);
+ } else { /* normal video */
+ if (screen->reversecursorGC) {
+ setGC(screen->reversecursorGC);
+ } else {
+ if (flags & BOLDATTR(screen)) {
+ setGC(ReverseBoldGC(screen));
+ } else {
+ setGC(ReverseGC(screen));
+ }
+ }
+ }
+ if (T_COLOR(screen, TEXT_CURSOR) == term->dft_foreground) {
+ XSetBackground(screen->display, currentGC, fg_pix);
+ }
+ XSetForeground(screen->display, currentGC, bg_pix);
+ } else { /* not selected */
+ if (reversed) { /* text is reverse video */
+#if OPT_HIGHLIGHT_COLOR
+ if (hi_pix != T_COLOR(screen, TEXT_FG)
+ && hi_pix != fg_pix
+ && hi_pix != bg_pix
+ && hi_pix != term->dft_foreground) {
+ bg_pix = fg_pix;
+ fg_pix = hi_pix;
+ }
+#endif
+ setGC(ReverseGC(screen));
+ XSetForeground(screen->display, currentGC, bg_pix);
+ XSetBackground(screen->display, currentGC, fg_pix);
+ } else { /* normal video */
+ setGC(NormalGC(screen));
+ XSetForeground(screen->display, currentGC, fg_pix);
+ XSetBackground(screen->display, currentGC, bg_pix);
+ }
+ }
+
+ if (screen->cursor_busy == 0
+ && (screen->cursor_state != ON || screen->cursor_GC != set_at)) {
+
+ screen->cursor_GC = set_at;
+ TRACE(("ShowCursor calling drawXtermText cur(%d,%d)\n",
+ screen->cur_row, screen->cur_col));
+
+ drawXtermText(screen, flags & DRAWX_MASK, currentGC,
+ x = CurCursorX(screen, screen->cur_row, cursor_col),
+ y = CursorY(screen, screen->cur_row),
+ curXtermChrSet(screen->cur_row),
+ PAIRED_CHARS(&clo, &chi), 1, 0);
+
+#if OPT_WIDE_CHARS
+ if (c1l || c1h) {
+ drawXtermText(screen, (flags & DRAWX_MASK) | NOBACKGROUND,
+ currentGC, x, y,
+ curXtermChrSet(screen->cur_row),
+ PAIRED_CHARS(&c1l, &c1h), 1, iswide(base));
+
+ if (c2l || c2h)
+ drawXtermText(screen, (flags & DRAWX_MASK) | NOBACKGROUND,
+ currentGC, x, y,
+ curXtermChrSet(screen->cur_row),
+ PAIRED_CHARS(&c2l, &c2h), 1, iswide(base));
+ }
+#endif
+
+ if (!screen->select && !screen->always_highlight) {
+ screen->box->x = x;
+ screen->box->y = y;
+ XDrawLines(screen->display, VWindow(screen),
+ screen->cursoroutlineGC ? screen->cursoroutlineGC
+ : currentGC,
+ screen->box, NBOX, CoordModePrevious);
+ }
+ }
+ screen->cursor_state = ON;
+}
+
+/*
+ * hide cursor at previous cursor position in screen.
+ */
+void
+HideCursor(void)
+{
+ TScreen *screen = &term->screen;
+ GC currentGC;
+ unsigned flags;
+ unsigned fg_bg = 0;
+ int x, y;
+ Char clo;
+ Bool in_selection;
+#if OPT_WIDE_CHARS
+ Char chi = 0;
+ Char c1h = 0;
+ Char c1l = 0;
+ Char c2h = 0;
+ Char c2l = 0;
+ int base;
+#endif
+ int cursor_col;
+
+ if (screen->cursor_state == OFF) /* FIXME */
+ return;
+ if (screen->cursor_row - screen->topline > screen->max_row)
+ return;
+
+ cursor_col = screen->cursor_col;
+
+#ifndef NO_ACTIVE_ICON
+ if (IsIcon(screen)) {
+ screen->cursor_state = OFF;
+ return;
+ }
+#endif /* NO_ACTIVE_ICON */
+
+#if OPT_WIDE_CHARS
+ base =
+#endif
+ clo = SCRN_BUF_CHARS(screen, screen->cursor_row)[cursor_col];
+ flags = SCRN_BUF_ATTRS(screen, screen->cursor_row)[cursor_col];
+
+ if_OPT_WIDE_CHARS(screen, {
+ int my_col;
+ chi = SCRN_BUF_WIDEC(screen, screen->cursor_row)[cursor_col];
+ if (clo == HIDDEN_LO && chi == HIDDEN_HI) {
+ /* if cursor points to non-initial part of wide character,
+ * back it up
+ */
+ --cursor_col;
+ clo = SCRN_BUF_CHARS(screen, screen->cursor_row)[cursor_col];
+ chi = SCRN_BUF_WIDEC(screen, screen->cursor_row)[cursor_col];
+ }
+ my_col = cursor_col;
+ base = (chi << 8) | clo;
+ if (iswide(base))
+ my_col += 1;
+ c1l = SCRN_BUF_COM1L(screen, screen->cursor_row)[my_col];
+ c1h = SCRN_BUF_COM1H(screen, screen->cursor_row)[my_col];
+ c2l = SCRN_BUF_COM2L(screen, screen->cursor_row)[my_col];
+ c2h = SCRN_BUF_COM2H(screen, screen->cursor_row)[my_col];
+ });
+
+ if_OPT_EXT_COLORS(screen, {
+ fg_bg = (SCRN_BUF_FGRND(screen, screen->cursor_row)[cursor_col] << 8)
+ | (SCRN_BUF_BGRND(screen, screen->cursor_row)[cursor_col]);
+ });
+ if_OPT_ISO_TRADITIONAL_COLORS(screen, {
+ fg_bg = SCRN_BUF_COLOR(screen, screen->cursor_row)[cursor_col];
+ });
+
+ if (OutsideSelection(screen, screen->cursor_row, screen->cursor_col))
+ in_selection = False;
+ else
+ in_selection = True;
+
+ currentGC = updatedXtermGC(screen, flags, fg_bg, in_selection);
+
+ if (clo == 0
+#if OPT_WIDE_CHARS
+ && chi == 0
+#endif
+ ) {
+ clo = ' ';
+ }
+
+ TRACE(("HideCursor calling drawXtermText cur(%d,%d)\n",
+ screen->cursor_row, screen->cursor_col));
+ drawXtermText(screen, flags & DRAWX_MASK, currentGC,
+ x = CurCursorX(screen, screen->cursor_row, cursor_col),
+ y = CursorY(screen, screen->cursor_row),
+ curXtermChrSet(screen->cursor_row),
+ PAIRED_CHARS(&clo, &chi), 1, 0);
+
+#if OPT_WIDE_CHARS
+ if (c1l || c1h) {
+ drawXtermText(screen, (flags & DRAWX_MASK) | NOBACKGROUND,
+ currentGC, x, y,
+ curXtermChrSet(screen->cur_row),
+ PAIRED_CHARS(&c1l, &c1h), 1, iswide(base));
+
+ if (c2l || c2h)
+ drawXtermText(screen, (flags & DRAWX_MASK) | NOBACKGROUND,
+ currentGC, x, y,
+ curXtermChrSet(screen->cur_row),
+ PAIRED_CHARS(&c2l, &c2h), 1, iswide(base));
+ }
+#endif
+ screen->cursor_state = OFF;
+ resetXtermGC(screen, flags, in_selection);
+}
+
+#if OPT_BLINK_CURS || OPT_BLINK_TEXT
+static void
+StartBlinking(TScreen * screen)
+{
+ if (screen->blink_timer == 0) {
+ unsigned long interval = (screen->cursor_state == ON ?
+ screen->blink_on : screen->blink_off);
+ if (interval == 0) /* wow! */
+ interval = 1; /* let's humor him anyway */
+ screen->blink_timer = XtAppAddTimeOut(app_con,
+ interval,
+ HandleBlinking,
+ screen);
+ }
+}
+
+static void
+StopBlinking(TScreen * screen)
+{
+ if (screen->blink_timer)
+ XtRemoveTimeOut(screen->blink_timer);
+ screen->blink_timer = 0;
+}
+
+#if OPT_BLINK_TEXT
+static Bool
+ScrnHasBlinking(TScreen * screen, int row)
+{
+ Char *attrs = SCRN_BUF_ATTRS(screen, row);
+ int col;
+ Bool result = False;
+
+ for (col = 0; col < MaxCols(screen); ++col) {
+ if (attrs[col] & BLINK) {
+ result = True;
+ break;
+ }
+ }
+ return result;
+}
+#endif
+
+/*
+ * Blink the cursor by alternately showing/hiding cursor. We leave the timer
+ * running all the time (even though that's a little inefficient) to make the
+ * logic simple.
+ */
+static void
+HandleBlinking(XtPointer closure, XtIntervalId * id GCC_UNUSED)
+{
+ TScreen *screen = (TScreen *) closure;
+ Bool resume = False;
+
+ screen->blink_timer = 0;
+ screen->blink_state = !screen->blink_state;
+
+#if OPT_BLINK_CURS
+ if (DoStartBlinking(screen)) {
+ if (screen->cursor_state == ON) {
+ if (screen->select || screen->always_highlight) {
+ HideCursor();
+ if (screen->cursor_state == OFF)
+ screen->cursor_state = BLINKED_OFF;
+ }
+ } else if (screen->cursor_state == BLINKED_OFF) {
+ screen->cursor_state = OFF;
+ ShowCursor();
+ if (screen->cursor_state == OFF)
+ screen->cursor_state = BLINKED_OFF;
+ }
+ resume = True;
+ }
+#endif
+
+#if OPT_BLINK_TEXT
+ /*
+ * Inspect the line on the current screen to see if any have the BLINK flag
+ * associated with them. Prune off any that have had the corresponding
+ * cells reset. If any are left, repaint those lines with ScrnRefresh().
+ */
+ if (!(screen->blink_as_bold)) {
+ int row;
+ int first_row = screen->max_row;
+ int last_row = -1;
+
+ for (row = screen->max_row; row >= 0; row--) {
+ if (ScrnTstBlinked(screen, row)) {
+ if (ScrnHasBlinking(screen, row)) {
+ resume = True;
+ if (row > last_row)
+ last_row = row;
+ if (row < first_row)
+ first_row = row;
+ } else {
+ ScrnClrBlinked(screen, row);
+ }
+ }
+ }
+ /*
+ * FIXME: this could be a little more efficient, e.g,. by limiting the
+ * columns which are updated.
+ */
+ if (first_row <= last_row) {
+ ScrnRefresh(screen,
+ first_row,
+ 0,
+ last_row + 1 - first_row,
+ MaxCols(screen),
+ True);
+ }
+ }
+#endif
+
+ /*
+ * If either the cursor or text is blinking, restart the timer.
+ */
+ if (resume)
+ StartBlinking(screen);
+}
+#endif /* OPT_BLINK_CURS || OPT_BLINK_TEXT */
+
+/*
+ * Implement soft or hard (full) reset of the VTxxx emulation. There are a
+ * couple of differences from real DEC VTxxx terminals (to avoid breaking
+ * applications which have come to rely on xterm doing this):
+ *
+ * + autowrap mode should be reset (instead it's reset to the resource
+ * default).
+ * + the popup menu offers a choice of resetting the savedLines, or not.
+ * (but the control sequence does this anyway).
+ */
+void
+VTReset(Bool full, Bool saved)
+{
+ TScreen *screen = &term->screen;
+
+ if (!XtIsRealized((Widget) term)) {
+ Bell(XkbBI_MinorError, 0);
+ return;
+ }
+
+ if (saved) {
+ screen->savedlines = 0;
+ ScrollBarDrawThumb(screen->scrollWidget);
+ }
+
+ /* make cursor visible */
+ screen->cursor_set = ON;
+
+ /* reset scrolling region */
+ set_tb_margins(screen, 0, screen->max_row);
+
+ bitclr(&term->flags, ORIGIN);
+
+ if_OPT_ISO_COLORS(screen, {
+ reset_SGR_Colors();
+ });
+
+ /* Reset character-sets to initial state */
+ resetCharsets(screen);
+
+ /* Reset DECSCA */
+ bitclr(&term->flags, PROTECTED);
+ screen->protected_mode = OFF_PROTECT;
+
+ if (full) { /* RIS */
+ if (screen->bellOnReset)
+ Bell(XkbBI_TerminalBell, 0);
+
+ /* reset the mouse mode */
+ screen->send_mouse_pos = MOUSE_OFF;
+ waitingForTrackInfo = False;
+ eventMode = NORMAL;
+
+ TabReset(term->tabs);
+ term->keyboard.flags = MODE_SRM;
+#if OPT_INITIAL_ERASE
+ if (term->keyboard.reset_DECBKM == 1)
+ term->keyboard.flags |= MODE_DECBKM;
+ else if (term->keyboard.reset_DECBKM == 2)
+#endif
+ if (term->screen.backarrow_key)
+ term->keyboard.flags |= MODE_DECBKM;
+ TRACE(("full reset DECBKM %s\n",
+ BtoS(term->keyboard.flags & MODE_DECBKM)));
+ update_appcursor();
+ update_appkeypad();
+ update_decbkm();
+ show_8bit_control(False);
+ reset_decudk();
+
+ FromAlternate(screen);
+ ClearScreen(screen);
+ screen->cursor_state = OFF;
+ if (term->flags & REVERSE_VIDEO)
+ ReverseVideo(term);
+
+ term->flags = term->initflags;
+ update_reversevideo();
+ update_autowrap();
+ update_reversewrap();
+ update_autolinefeed();
+
+ screen->jumpscroll = !(term->flags & SMOOTHSCROLL);
+ update_jumpscroll();
+
+ if (screen->c132 && (term->flags & IN132COLUMNS)) {
+ Dimension reqWidth = (80 * FontWidth(screen)
+ + 2 * screen->border + ScrollbarWidth(screen));
+ Dimension reqHeight = (FontHeight(screen)
+ * MaxRows(screen) + 2 * screen->border);
+ Dimension replyWidth;
+ Dimension replyHeight;
+
+ TRACE(("Making resize-request to restore 80-columns %dx%d\n",
+ reqHeight, reqWidth));
+ XtMakeResizeRequest((Widget) term,
+ reqWidth,
+ reqHeight,
+ &replyWidth, &replyHeight);
+ TRACE(("...result %dx%d\n", replyHeight, replyWidth));
+ repairSizeHints();
+ XSync(screen->display, False); /* synchronize */
+ if (XtAppPending(app_con))
+ xevents();
+ }
+
+ CursorSet(screen, 0, 0, term->flags);
+ CursorSave(term);
+ } else { /* DECSTR */
+ /*
+ * There's a tiny difference, to accommodate usage of xterm.
+ * We reset autowrap to the resource values rather than turning
+ * it off.
+ */
+ term->keyboard.flags &= ~(MODE_DECCKM | MODE_KAM | MODE_DECKPAM);
+ bitcpy(&term->flags, term->initflags, WRAPAROUND | REVERSEWRAP);
+ bitclr(&term->flags, INSERT | INVERSE | BOLD | BLINK | UNDERLINE | INVISIBLE);
+ if_OPT_ISO_COLORS(screen, {
+ reset_SGR_Colors();
+ });
+ update_appcursor();
+ update_autowrap();
+ update_reversewrap();
+
+ CursorSave(term);
+ screen->sc[screen->alternate != False].row =
+ screen->sc[screen->alternate != False].col = 0;
+ }
+ longjmp(vtjmpbuf, 1); /* force ground state in parser */
+}
+
+/*
+ * set_character_class - takes a string of the form
+ *
+ * low[-high]:val[,low[-high]:val[...]]
+ *
+ * and sets the indicated ranges to the indicated values.
+ */
+static int
+set_character_class(char *s)
+{
+ int i; /* iterator, index into s */
+ int len; /* length of s */
+ int acc; /* accumulator */
+ int low, high; /* bounds of range [0..127] */
+ int base; /* 8, 10, 16 (octal, decimal, hex) */
+ int numbers; /* count of numbers per range */
+ int digits; /* count of digits in a number */
+ static char *errfmt = "%s: %s in range string \"%s\" (position %d)\n";
+
+ if (!s || !s[0])
+ return -1;
+
+ base = 10; /* in case we ever add octal, hex */
+ low = high = -1; /* out of range */
+
+ for (i = 0, len = strlen(s), acc = 0, numbers = digits = 0;
+ i < len; i++) {
+ Char c = s[i];
+
+ if (isspace(c)) {
+ continue;
+ } else if (isdigit(c)) {
+ acc = acc * base + (c - '0');
+ digits++;
+ continue;
+ } else if (c == '-') {
+ low = acc;
+ acc = 0;
+ if (digits == 0) {
+ fprintf(stderr, errfmt, ProgramName, "missing number", s, i);
+ return (-1);
+ }
+ digits = 0;
+ numbers++;
+ continue;
+ } else if (c == ':') {
+ if (numbers == 0)
+ low = acc;
+ else if (numbers == 1)
+ high = acc;
+ else {
+ fprintf(stderr, errfmt, ProgramName, "too many numbers",
+ s, i);
+ return (-1);
+ }
+ digits = 0;
+ numbers++;
+ acc = 0;
+ continue;
+ } else if (c == ',') {
+ /*
+ * now, process it
+ */
+
+ if (high < 0) {
+ high = low;
+ numbers++;
+ }
+ if (numbers != 2) {
+ fprintf(stderr, errfmt, ProgramName, "bad value number",
+ s, i);
+ } else if (SetCharacterClassRange(low, high, acc) != 0) {
+ fprintf(stderr, errfmt, ProgramName, "bad range", s, i);
+ }
+
+ low = high = -1;
+ acc = 0;
+ digits = 0;
+ numbers = 0;
+ continue;
+ } else {
+ fprintf(stderr, errfmt, ProgramName, "bad character", s, i);
+ return (-1);
+ } /* end if else if ... else */
+
+ }
+
+ if (low < 0 && high < 0)
+ return (0);
+
+ /*
+ * now, process it
+ */
+
+ if (high < 0)
+ high = low;
+ if (numbers < 1 || numbers > 2) {
+ fprintf(stderr, errfmt, ProgramName, "bad value number", s, i);
+ } else if (SetCharacterClassRange(low, high, acc) != 0) {
+ fprintf(stderr, errfmt, ProgramName, "bad range", s, i);
+ }
+
+ return (0);
+}
+
+/* ARGSUSED */
+static void
+HandleKeymapChange(Widget w,
+ XEvent * event GCC_UNUSED,
+ String * params,
+ Cardinal *param_count)
+{
+ static XtTranslations keymap, original;
+ static XtResource key_resources[] =
+ {
+ {XtNtranslations, XtCTranslations, XtRTranslationTable,
+ sizeof(XtTranslations), 0, XtRTranslationTable, (XtPointer) NULL}
+ };
+ char mapName[1000];
+ char mapClass[1000];
+ char *pmapName;
+ char *pmapClass;
+ size_t len;
+
+ if (*param_count != 1)
+ return;
+
+ if (original == NULL)
+ original = w->core.tm.translations;
+
+ if (strcmp(params[0], "None") == 0) {
+ XtOverrideTranslations(w, original);
+ return;
+ }
+
+ len = strlen(params[0]) + 7;
+
+ pmapName = (char *) MyStackAlloc(len, mapName);
+ pmapClass = (char *) MyStackAlloc(len, mapClass);
+ if (pmapName == NULL
+ || pmapClass == NULL)
+ SysError(ERROR_KMMALLOC1);
+
+ (void) sprintf(pmapName, "%sKeymap", params[0]);
+ (void) strcpy(pmapClass, pmapName);
+ if (islower(CharOf(pmapClass[0])))
+ pmapClass[0] = toupper(CharOf(pmapClass[0]));
+ XtGetSubresources(w, (XtPointer) &keymap, pmapName, pmapClass,
+ key_resources, (Cardinal) 1, NULL, (Cardinal) 0);
+ if (keymap != NULL)
+ XtOverrideTranslations(w, keymap);
+
+ MyStackFree(pmapName, mapName);
+ MyStackFree(pmapClass, mapClass);
+}
+
+/* ARGSUSED */
+static void
+HandleBell(Widget w GCC_UNUSED,
+ XEvent * event GCC_UNUSED,
+ String * params, /* [0] = volume */
+ Cardinal *param_count) /* 0 or 1 */
+{
+ int percent = (*param_count) ? atoi(params[0]) : 0;
+
+ Bell(XkbBI_TerminalBell, percent);
+}
+
+/* ARGSUSED */
+static void
+HandleVisualBell(Widget w GCC_UNUSED,
+ XEvent * event GCC_UNUSED,
+ String * params GCC_UNUSED,
+ Cardinal *param_count GCC_UNUSED)
+{
+ VisualBell();
+}
+
+/* ARGSUSED */
+static void
+HandleIgnore(Widget w,
+ XEvent * event,
+ String * params GCC_UNUSED,
+ Cardinal *param_count GCC_UNUSED)
+{
+ /* do nothing, but check for funny escape sequences */
+ (void) SendMousePosition(w, event);
+}
+
+/* ARGSUSED */
+static void
+DoSetSelectedFont(Widget w GCC_UNUSED,
+ XtPointer client_data GCC_UNUSED,
+ Atom * selection GCC_UNUSED,
+ Atom * type,
+ XtPointer value,
+ unsigned long *length GCC_UNUSED,
+ int *format)
+{
+ char *val = (char *) value;
+ int len;
+ if (*type != XA_STRING || *format != 8) {
+ Bell(XkbBI_MinorError, 0);
+ return;
+ }
+ len = strlen(val);
+ if (len > 0) {
+ if (val[len - 1] == '\n')
+ val[len - 1] = '\0';
+ /* Do some sanity checking to avoid sending a long selection
+ back to the server in an OpenFont that is unlikely to succeed.
+ XLFD allows up to 255 characters and no control characters;
+ we are a little more liberal here. */
+ if (len > 1000 || strchr(val, '\n'))
+ return;
+ if (!xtermLoadFont(term,
+ xtermFontName(val),
+ True,
+ fontMenu_fontsel))
+ Bell(XkbBI_MinorError, 0);
+ }
+}
+
+void
+FindFontSelection(char *atom_name, Bool justprobe)
+{
+ static AtomPtr *atoms;
+ static int atomCount = 0;
+ AtomPtr *pAtom;
+ int a;
+ Atom target;
+
+ if (!atom_name)
+ atom_name = "PRIMARY";
+
+ for (pAtom = atoms, a = atomCount; a; a--, pAtom++) {
+ if (strcmp(atom_name, XmuNameOfAtom(*pAtom)) == 0)
+ break;
+ }
+ if (!a) {
+ atoms = (AtomPtr *) XtRealloc((char *) atoms,
+ sizeof(AtomPtr) * (atomCount + 1));
+ *(pAtom = &atoms[atomCount++]) = XmuMakeAtom(atom_name);
+ }
+
+ target = XmuInternAtom(XtDisplay(term), *pAtom);
+ if (justprobe) {
+ term->screen.MenuFontName(fontMenu_fontsel) =
+ XGetSelectionOwner(XtDisplay(term), target) ? _Font_Selected_ : 0;
+ } else {
+ XtGetSelectionValue((Widget) term, target, XA_STRING,
+ DoSetSelectedFont, NULL,
+ XtLastTimestampProcessed(XtDisplay(term)));
+ }
+ return;
+}
+
+void
+set_cursor_gcs(TScreen * screen)
+{
+ XGCValues xgcv;
+ XtGCMask mask;
+ Pixel cc = T_COLOR(screen, TEXT_CURSOR);
+ Pixel fg = T_COLOR(screen, TEXT_FG);
+ Pixel bg = T_COLOR(screen, TEXT_BG);
+ GC new_cursorGC = NULL;
+ GC new_cursorFillGC = NULL;
+ GC new_reversecursorGC = NULL;
+ GC new_cursoroutlineGC = NULL;
+
+ /*
+ * Let's see, there are three things that have "color":
+ *
+ * background
+ * text
+ * cursorblock
+ *
+ * And, there are four situation when drawing a cursor, if we decide
+ * that we like have a solid block of cursor color with the letter
+ * that it is highlighting shown in the background color to make it
+ * stand out:
+ *
+ * selected window, normal video - background on cursor
+ * selected window, reverse video - foreground on cursor
+ * unselected window, normal video - foreground on background
+ * unselected window, reverse video - background on foreground
+ *
+ * Since the last two are really just normalGC and reverseGC, we only
+ * need two new GC's. Under monochrome, we get the same effect as
+ * above by setting cursor color to foreground.
+ */
+
+#if OPT_ISO_COLORS
+ /*
+ * If we're using ANSI colors, the functions manipulating the SGR code will
+ * use the same GC's. To avoid having the cursor change color, we use the
+ * Xlib calls rather than the Xt calls.
+ *
+ * Use the colorMode value to determine which we'll do (the VWindow may
+ * not be set before the widget's realized, so it's tested separately).
+ */
+ if (screen->colorMode) {
+ if (VWindow(screen) != 0 && (cc != bg) && (cc != fg)) {
+ /* we might have a colored foreground/background later */
+ xgcv.font = screen->fnt_norm->fid;
+ mask = (GCForeground | GCBackground | GCFont);
+ xgcv.foreground = fg;
+ xgcv.background = cc;
+ new_cursorGC = XCreateGC(screen->display, VWindow(screen), mask, &xgcv);
+
+ xgcv.foreground = cc;
+ xgcv.background = fg;
+ new_cursorFillGC =
+ XCreateGC(screen->display, VWindow(screen), mask, &xgcv);
+
+ if (screen->always_highlight) {
+ new_reversecursorGC = (GC) 0;
+ new_cursoroutlineGC = (GC) 0;
+ } else {
+ xgcv.foreground = bg;
+ xgcv.background = cc;
+ new_reversecursorGC =
+ XCreateGC(screen->display, VWindow(screen), mask, &xgcv);
+ xgcv.foreground = cc;
+ xgcv.background = bg;
+ new_cursoroutlineGC =
+ XCreateGC(screen->display, VWindow(screen), mask, &xgcv);
+ }
+ }
+ } else
+#endif
+ if (cc != fg && cc != bg) {
+ /* we have a colored cursor */
+ xgcv.font = screen->fnt_norm->fid;
+ mask = (GCForeground | GCBackground | GCFont);
+
+ xgcv.foreground = fg;
+ xgcv.background = cc;
+ new_cursorGC = XtGetGC((Widget) term, mask, &xgcv);
+
+ xgcv.foreground = cc;
+ xgcv.background = fg;
+ new_cursorFillGC = XtGetGC((Widget) term, mask, &xgcv);
+
+ if (screen->always_highlight) {
+ new_reversecursorGC = (GC) 0;
+ new_cursoroutlineGC = (GC) 0;
+ } else {
+ xgcv.foreground = bg;
+ xgcv.background = cc;
+ new_reversecursorGC = XtGetGC((Widget) term, mask, &xgcv);
+ xgcv.foreground = cc;
+ xgcv.background = bg;
+ new_cursoroutlineGC = XtGetGC((Widget) term, mask, &xgcv);
+ }
+ }
+#if OPT_ISO_COLORS
+ if (screen->colorMode) {
+ if (screen->cursorGC)
+ XFreeGC(screen->display, screen->cursorGC);
+ if (screen->fillCursorGC)
+ XFreeGC(screen->display, screen->fillCursorGC);
+ if (screen->reversecursorGC)
+ XFreeGC(screen->display, screen->reversecursorGC);
+ if (screen->cursoroutlineGC)
+ XFreeGC(screen->display, screen->cursoroutlineGC);
+ } else
+#endif
+ {
+ if (screen->cursorGC)
+ XtReleaseGC((Widget) term, screen->cursorGC);
+ if (screen->fillCursorGC)
+ XtReleaseGC((Widget) term, screen->fillCursorGC);
+ if (screen->reversecursorGC)
+ XtReleaseGC((Widget) term, screen->reversecursorGC);
+ if (screen->cursoroutlineGC)
+ XtReleaseGC((Widget) term, screen->cursoroutlineGC);
+ }
+
+ screen->cursorGC = new_cursorGC;
+ screen->fillCursorGC = new_cursorFillGC;
+ screen->reversecursorGC = new_reversecursorGC;
+ screen->cursoroutlineGC = new_cursoroutlineGC;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-21 05:27:40 +0000