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charproc.c
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1992-10-17
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/*
* $XConsortium: charproc.c,v 1.176 92/03/13 18:00:30 gildea Exp $
*/
/*
* Copyright 1988 Massachusetts Institute of Technology
* Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
*
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of Digital Equipment
* Corporation not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
*
*
* DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
* DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
/* charproc.c */
#include "ptyx.h"
#include "VTparse.h"
#include "data.h"
#include "error.h"
#include "menu.h"
#include "main.h"
#include <X11/Xos.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include <X11/cursorfont.h>
#include <X11/StringDefs.h>
#include <X11/Xmu/Atoms.h>
#include <X11/Xmu/CharSet.h>
#include <X11/Xmu/Converters.h>
#include <stdio.h>
#include <errno.h>
#include <setjmp.h>
#include <ctype.h>
/*
* Check for both EAGAIN and EWOULDBLOCK, because some supposedly POSIX
* systems are broken and return EWOULDBLOCK when they should return EAGAIN.
* Note that this macro may evaluate its argument more than once.
*/
#if defined(EAGAIN) && defined(EWOULDBLOCK)
#define E_TEST(err) ((err) == EAGAIN || (err) == EWOULDBLOCK)
#else
#ifdef EAGAIN
#define E_TEST(err) ((err) == EAGAIN)
#else
#define E_TEST(err) ((err) == EWOULDBLOCK)
#endif
#endif
extern jmp_buf VTend;
extern Widget toplevel;
extern void exit();
extern char *malloc();
extern char *realloc();
static void VTallocbuf();
static int finput();
static void dotext();
static void WriteText();
static void bitset(), bitclr();
#define DEFAULT -1
#define TEXT_BUF_SIZE 256
#define TRACKTIMESEC 4L
#define TRACKTIMEUSEC 0L
#define BELLSUPPRESSMSEC 200
#define XtNalwaysHighlight "alwaysHighlight"
#define XtNappcursorDefault "appcursorDefault"
#define XtNappkeypadDefault "appkeypadDefault"
#define XtNbellSuppressTime "bellSuppressTime"
#define XtNboldFont "boldFont"
#define XtNc132 "c132"
#define XtNcharClass "charClass"
#define XtNcurses "curses"
#define XtNcursorColor "cursorColor"
#define XtNcutNewline "cutNewline"
#define XtNcutToBeginningOfLine "cutToBeginningOfLine"
#define XtNeightBitInput "eightBitInput"
#define XtNeightBitOutput "eightBitOutput"
#define XtNgeometry "geometry"
#define XtNtekGeometry "tekGeometry"
#define XtNinternalBorder "internalBorder"
#define XtNjumpScroll "jumpScroll"
#define XtNlogFile "logFile"
#define XtNlogging "logging"
#define XtNlogInhibit "logInhibit"
#define XtNloginShell "loginShell"
#define XtNmarginBell "marginBell"
#define XtNpointerColor "pointerColor"
#define XtNpointerColorBackground "pointerColorBackground"
#define XtNpointerShape "pointerShape"
#define XtNmultiClickTime "multiClickTime"
#define XtNmultiScroll "multiScroll"
#define XtNnMarginBell "nMarginBell"
#define XtNresizeGravity "resizeGravity"
#define XtNreverseWrap "reverseWrap"
#define XtNautoWrap "autoWrap"
#define XtNsaveLines "saveLines"
#define XtNscrollBar "scrollBar"
#define XtNscrollTtyOutput "scrollTtyOutput"
#define XtNscrollKey "scrollKey"
#define XtNscrollLines "scrollLines"
#define XtNscrollPos "scrollPos"
#define XtNsignalInhibit "signalInhibit"
#define XtNtekInhibit "tekInhibit"
#define XtNtekSmall "tekSmall"
#define XtNtekStartup "tekStartup"
#define XtNtiteInhibit "titeInhibit"
#define XtNvisualBell "visualBell"
#define XtNallowSendEvents "allowSendEvents"
#define XtCAlwaysHighlight "AlwaysHighlight"
#define XtCAppcursorDefault "AppcursorDefault"
#define XtCAppkeypadDefault "AppkeypadDefault"
#define XtCBellSuppressTime "BellSuppressTime"
#define XtCBoldFont "BoldFont"
#define XtCC132 "C132"
#define XtCCharClass "CharClass"
#define XtCCurses "Curses"
#define XtCCutNewline "CutNewline"
#define XtCCutToBeginningOfLine "CutToBeginningOfLine"
#define XtCEightBitInput "EightBitInput"
#define XtCEightBitOutput "EightBitOutput"
#define XtCGeometry "Geometry"
#define XtCJumpScroll "JumpScroll"
#define XtCLogfile "Logfile"
#define XtCLogging "Logging"
#define XtCLogInhibit "LogInhibit"
#define XtCLoginShell "LoginShell"
#define XtCMarginBell "MarginBell"
#define XtCMultiClickTime "MultiClickTime"
#define XtCMultiScroll "MultiScroll"
#define XtCColumn "Column"
#define XtCResizeGravity "ResizeGravity"
#define XtCReverseWrap "ReverseWrap"
#define XtCAutoWrap "AutoWrap"
#define XtCSaveLines "SaveLines"
#define XtCScrollBar "ScrollBar"
#define XtCScrollLines "ScrollLines"
#define XtCScrollPos "ScrollPos"
#define XtCScrollCond "ScrollCond"
#define XtCSignalInhibit "SignalInhibit"
#define XtCTekInhibit "TekInhibit"
#define XtCTekSmall "TekSmall"
#define XtCTekStartup "TekStartup"
#define XtCTiteInhibit "TiteInhibit"
#define XtCVisualBell "VisualBell"
#define XtCAllowSendEvents "AllowSendEvents"
#define doinput() (bcnt-- > 0 ? *bptr++ : in_put())
static int nparam;
static ANSI reply;
static int param[NPARAM];
static unsigned long ctotal;
static unsigned long ntotal;
static jmp_buf vtjmpbuf;
extern int groundtable[];
extern int csitable[];
extern int dectable[];
extern int eigtable[];
extern int esctable[];
extern int iestable[];
extern int igntable[];
extern int scrtable[];
extern int scstable[];
/* event handlers */
extern void HandleKeyPressed(), HandleEightBitKeyPressed();
extern void HandleStringEvent();
extern void HandleEnterWindow();
extern void HandleLeaveWindow();
extern void HandleBellPropertyChange();
extern void HandleFocusChange();
static void HandleKeymapChange();
extern void HandleInsertSelection();
extern void HandleSelectStart(), HandleKeyboardSelectStart();
extern void HandleSelectExtend(), HandleSelectSet();
extern void HandleSelectEnd(), HandleKeyboardSelectEnd();
extern void HandleStartExtend(), HandleKeyboardStartExtend();
static void HandleBell();
static void HandleVisualBell();
static void HandleIgnore();
extern void HandleSecure();
extern void HandleScrollForward();
extern void HandleScrollBack();
extern void HandleCreateMenu(), HandlePopupMenu();
extern void HandleSetFont();
extern void SetVTFont();
extern Boolean SendMousePosition();
extern void ScrnSetAttributes();
/*
* 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 */
static Boolean defaultFALSE = FALSE;
static Boolean defaultTRUE = TRUE;
static int defaultBorderWidth = DEFBORDERWIDTH;
static int defaultIntBorder = DEFBORDER;
static int defaultSaveLines = SAVELINES;
static int defaultScrollLines = SCROLLLINES;
static int defaultNMarginBell = N_MARGINBELL;
static int defaultMultiClickTime = MULTICLICKTIME;
static int defaultBellSuppressTime = BELLSUPPRESSMSEC;
static char * _Font_Selected_ = "yes"; /* string is arbitrary */
/*
* Warning, the following must be kept under 1024 bytes or else some
* compilers (particularly AT&T 6386 SVR3.2) will barf). Workaround is to
* declare a static buffer and copy in at run time (the the Athena text widget
* does). Yuck.
*/
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\
~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\
~Meta <Btn1Down>:select-start() \n\
~Meta <Btn1Motion>:select-extend() \n\
!Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
!Lock Ctrl <Btn2Down>:popup-menu(vtMenu) \n\
~Ctrl ~Meta <Btn2Down>:ignore() \n\
~Ctrl ~Meta <Btn2Up>:insert-selection(PRIMARY, CUT_BUFFER0) \n\
!Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
!Lock Ctrl <Btn3Down>:popup-menu(fontMenu) \n\
~Ctrl ~Meta <Btn3Down>:start-extend() \n\
~Meta <Btn3Motion>:select-extend() \n\
<BtnUp>:select-end(PRIMARY, CUT_BUFFER0) \n\
<BtnDown>:bell(0) \
";
static XtActionsRec actionsList[] = {
{ "bell", HandleBell },
{ "create-menu", HandleCreateMenu },
{ "ignore", HandleIgnore },
{ "insert", HandleKeyPressed }, /* alias for insert-seven-bit */
{ "insert-seven-bit", HandleKeyPressed },
{ "insert-eight-bit", HandleEightBitKeyPressed },
{ "insert-selection", HandleInsertSelection },
{ "keymap", HandleKeymapChange },
{ "popup-menu", HandlePopupMenu },
{ "secure", HandleSecure },
{ "select-start", HandleSelectStart },
{ "select-extend", HandleSelectExtend },
{ "select-end", HandleSelectEnd },
{ "select-set", HandleSelectSet },
{ "select-cursor-start", HandleKeyboardSelectStart },
{ "select-cursor-end", HandleKeyboardSelectEnd },
{ "set-vt-font", HandleSetFont },
{ "start-extend", HandleStartExtend },
{ "start-cursor-extend", HandleKeyboardStartExtend },
{ "string", HandleStringEvent },
{ "scroll-forw", HandleScrollForward },
{ "scroll-back", HandleScrollBack },
/* menu actions */
{ "allow-send-events", HandleAllowSends },
{ "set-logging", HandleLogging },
{ "redraw", HandleRedraw },
{ "send-signal", HandleSendSignal },
{ "quit", HandleQuit },
{ "set-scrollbar", HandleScrollbar },
{ "set-jumpscroll", HandleJumpscroll },
{ "set-reverse-video", HandleReverseVideo },
{ "set-autowrap", HandleAutoWrap },
{ "set-reversewrap", HandleReverseWrap },
{ "set-autolinefeed", HandleAutoLineFeed },
{ "set-appcursor", HandleAppCursor },
{ "set-appkeypad", HandleAppKeypad },
{ "set-scroll-on-key", HandleScrollKey },
{ "set-scroll-on-tty-output", HandleScrollTtyOutput },
{ "set-allow132", HandleAllow132 },
{ "set-cursesemul", HandleCursesEmul },
{ "set-marginbell", HandleMarginBell },
{ "set-altscreen", HandleAltScreen },
{ "soft-reset", HandleSoftReset },
{ "hard-reset", HandleHardReset },
{ "set-terminal-type", HandleSetTerminalType },
{ "set-visibility", HandleVisibility },
{ "set-tek-text", HandleSetTekText },
{ "tek-page", HandleTekPage },
{ "tek-reset", HandleTekReset },
{ "tek-copy", HandleTekCopy },
{ "visual-bell", HandleVisualBell },
};
static XtResource resources[] = {
{XtNfont, XtCFont, XtRString, sizeof(char *),
XtOffsetOf(XtermWidgetRec, misc.f_n), XtRString,
DEFFONT},
{XtNboldFont, XtCBoldFont, XtRString, sizeof(char *),
XtOffsetOf(XtermWidgetRec, misc.f_b), XtRString,
DEFBOLDFONT},
{XtNc132, XtCC132, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.c132),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNcharClass, XtCCharClass, XtRString, sizeof(char *),
XtOffsetOf(XtermWidgetRec, screen.charClass),
XtRString, (caddr_t) NULL},
{XtNcurses, XtCCurses, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.curses),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNcutNewline, XtCCutNewline, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.cutNewline),
XtRBoolean, (caddr_t) &defaultTRUE},
{XtNcutToBeginningOfLine, XtCCutToBeginningOfLine, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.cutToBeginningOfLine),
XtRBoolean, (caddr_t) &defaultTRUE},
{XtNbackground, XtCBackground, XtRPixel, sizeof(Pixel),
XtOffsetOf(XtermWidgetRec, core.background_pixel),
XtRString, "XtDefaultBackground"},
{XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel),
XtOffsetOf(XtermWidgetRec, screen.foreground),
XtRString, "XtDefaultForeground"},
{XtNcursorColor, XtCForeground, XtRPixel, sizeof(Pixel),
XtOffsetOf(XtermWidgetRec, screen.cursorcolor),
XtRString, "XtDefaultForeground"},
{XtNeightBitInput, XtCEightBitInput, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.input_eight_bits),
XtRBoolean, (caddr_t) &defaultTRUE},
{XtNeightBitOutput, XtCEightBitOutput, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.output_eight_bits),
XtRBoolean, (caddr_t) &defaultTRUE},
{XtNgeometry,XtCGeometry, XtRString, sizeof(char *),
XtOffsetOf(XtermWidgetRec, misc.geo_metry),
XtRString, (caddr_t) NULL},
{XtNalwaysHighlight,XtCAlwaysHighlight,XtRBoolean,
sizeof(Boolean),XtOffsetOf(XtermWidgetRec, screen.always_highlight),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNappcursorDefault,XtCAppcursorDefault,XtRBoolean,
sizeof(Boolean),XtOffsetOf(XtermWidgetRec, misc.appcursorDefault),
XtRBoolean, (XtPointer) &defaultFALSE},
{XtNappkeypadDefault,XtCAppkeypadDefault,XtRBoolean,
sizeof(Boolean),XtOffsetOf(XtermWidgetRec, misc.appkeypadDefault),
XtRBoolean, (XtPointer) &defaultFALSE},
{XtNbellSuppressTime, XtCBellSuppressTime, XtRInt, sizeof(int),
XtOffsetOf(XtermWidgetRec, screen.bellSuppressTime),
XtRInt, (XtPointer) &defaultBellSuppressTime},
{XtNtekGeometry,XtCGeometry, XtRString, sizeof(char *),
XtOffsetOf(XtermWidgetRec, misc.T_geometry),
XtRString, (caddr_t) NULL},
{XtNinternalBorder,XtCBorderWidth,XtRInt, sizeof(int),
XtOffsetOf(XtermWidgetRec, screen.border),
XtRInt, (caddr_t) &defaultIntBorder},
{XtNjumpScroll, XtCJumpScroll, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.jumpscroll),
XtRBoolean, (caddr_t) &defaultTRUE},
{XtNlogFile, XtCLogfile, XtRString, sizeof(char *),
XtOffsetOf(XtermWidgetRec, screen.logfile),
XtRString, (caddr_t) NULL},
{XtNlogging, XtCLogging, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, misc.log_on),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNlogInhibit, XtCLogInhibit, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, misc.logInhibit),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNloginShell, XtCLoginShell, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, misc.login_shell),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNmarginBell, XtCMarginBell, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.marginbell),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNpointerColor, XtCForeground, XtRPixel, sizeof(Pixel),
XtOffsetOf(XtermWidgetRec, screen.mousecolor),
XtRString, "XtDefaultForeground"},
{XtNpointerColorBackground, XtCBackground, XtRPixel, sizeof(Pixel),
XtOffsetOf(XtermWidgetRec, screen.mousecolorback),
XtRString, "XtDefaultBackground"},
{XtNpointerShape,XtCCursor, XtRCursor, sizeof(Cursor),
XtOffsetOf(XtermWidgetRec, screen.pointer_cursor),
XtRString, (caddr_t) "xterm"},
{XtNmultiClickTime,XtCMultiClickTime, XtRInt, sizeof(int),
XtOffsetOf(XtermWidgetRec, screen.multiClickTime),
XtRInt, (caddr_t) &defaultMultiClickTime},
{XtNmultiScroll,XtCMultiScroll, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.multiscroll),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNnMarginBell,XtCColumn, XtRInt, sizeof(int),
XtOffsetOf(XtermWidgetRec, screen.nmarginbell),
XtRInt, (caddr_t) &defaultNMarginBell},
{XtNreverseVideo,XtCReverseVideo,XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, misc.re_verse),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNresizeGravity, XtCResizeGravity, XtRGravity, sizeof(XtGravity),
XtOffsetOf(XtermWidgetRec, misc.resizeGravity),
XtRImmediate, (XtPointer) SouthWestGravity},
{XtNreverseWrap,XtCReverseWrap, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, misc.reverseWrap),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNautoWrap,XtCAutoWrap, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, misc.autoWrap),
XtRBoolean, (caddr_t) &defaultTRUE},
{XtNsaveLines, XtCSaveLines, XtRInt, sizeof(int),
XtOffsetOf(XtermWidgetRec, screen.savelines),
XtRInt, (caddr_t) &defaultSaveLines},
{XtNscrollBar, XtCScrollBar, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, misc.scrollbar),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNscrollTtyOutput,XtCScrollCond, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.scrollttyoutput),
XtRBoolean, (caddr_t) &defaultTRUE},
{XtNscrollKey, XtCScrollCond, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.scrollkey),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNscrollLines, XtCScrollLines, XtRInt, sizeof(int),
XtOffsetOf(XtermWidgetRec, screen.scrolllines),
XtRInt, (caddr_t) &defaultScrollLines},
{XtNsignalInhibit,XtCSignalInhibit,XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, misc.signalInhibit),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNtekInhibit, XtCTekInhibit, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, misc.tekInhibit),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNtekSmall, XtCTekSmall, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, misc.tekSmall),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNtekStartup, XtCTekStartup, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.TekEmu),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNtiteInhibit, XtCTiteInhibit, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, misc.titeInhibit),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNvisualBell, XtCVisualBell, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.visualbell),
XtRBoolean, (caddr_t) &defaultFALSE},
{XtNallowSendEvents, XtCAllowSendEvents, XtRBoolean, sizeof(Boolean),
XtOffsetOf(XtermWidgetRec, screen.allowSendEvents),
XtRBoolean, (caddr_t) &defaultFALSE},
{"font1", "Font1", XtRString, sizeof(String),
XtOffsetOf(XtermWidgetRec, screen.menu_font_names[fontMenu_font1]),
XtRString, (caddr_t) NULL},
{"font2", "Font2", XtRString, sizeof(String),
XtOffsetOf(XtermWidgetRec, screen.menu_font_names[fontMenu_font2]),
XtRString, (caddr_t) NULL},
{"font3", "Font3", XtRString, sizeof(String),
XtOffsetOf(XtermWidgetRec, screen.menu_font_names[fontMenu_font3]),
XtRString, (caddr_t) NULL},
{"font4", "Font4", XtRString, sizeof(String),
XtOffsetOf(XtermWidgetRec, screen.menu_font_names[fontMenu_font4]),
XtRString, (caddr_t) NULL},
};
static void VTClassInit();
static void VTInitialize();
static void VTRealize();
static void VTExpose();
static void VTResize();
static void VTDestroy();
static Boolean VTSetValues();
static WidgetClassRec xtermClassRec = {
{
/* core_class fields */
/* superclass */ (WidgetClass) &widgetClassRec,
/* class_name */ "VT100",
/* widget_size */ sizeof(XtermWidgetRec),
/* class_initialize */ VTClassInit,
/* class_part_initialize */ NULL,
/* class_inited */ FALSE,
/* initialize */ VTInitialize,
/* initialize_hook */ NULL,
/* realize */ VTRealize,
/* actions */ actionsList,
/* num_actions */ XtNumber(actionsList),
/* resources */ resources,
/* num_resources */ XtNumber(resources),
/* xrm_class */ NULLQUARK,
/* compress_motion */ TRUE,
/* compress_exposure */ FALSE,
/* compress_enterleave */ TRUE,
/* visible_interest */ FALSE,
/* destroy */ VTDestroy,
/* resize */ VTResize,
/* expose */ VTExpose,
/* set_values */ VTSetValues,
/* set_values_hook */ NULL,
/* set_values_almost */ NULL,
/* get_values_hook */ NULL,
/* accept_focus */ NULL,
/* version */ XtVersion,
/* callback_offsets */ NULL,
/* tm_table */ defaultTranslations,
/* query_geometry */ XtInheritQueryGeometry,
/* display_accelerator*/ XtInheritDisplayAccelerator,
/* extension */ NULL
}
};
WidgetClass xtermWidgetClass = (WidgetClass)&xtermClassRec;
static void VTparse()
{
register TScreen *screen = &term->screen;
register int *parsestate = groundtable;
register unsigned int c;
register unsigned char *cp;
register int row, col, top, bot, scstype;
extern int TrackMouse();
if(setjmp(vtjmpbuf))
parsestate = groundtable;
for( ; ; ) {
switch (parsestate[c = doinput()]) {
case CASE_PRINT:
/* printable characters */
top = bcnt > TEXT_BUF_SIZE ? TEXT_BUF_SIZE : bcnt;
cp = bptr;
*--bptr = c;
while(top > 0 && isprint(*cp & 0x7f)) {
top--;
bcnt--;
cp++;
}
if(screen->curss) {
dotext(screen, term->flags,
screen->gsets[screen->curss], bptr, bptr + 1);
screen->curss = 0;
bptr++;
}
if(bptr < cp)
dotext(screen, term->flags,
screen->gsets[screen->curgl], bptr, cp);
bptr = cp;
break;
case CASE_GROUND_STATE:
/* exit ignore mode */
parsestate = groundtable;
break;
case CASE_IGNORE_STATE:
/* Ies: ignore anything else */
parsestate = igntable;
break;
case CASE_IGNORE_ESC:
/* Ign: escape */
parsestate = iestable;
break;
case CASE_IGNORE:
/* Ignore character */
break;
case CASE_BELL:
/* bell */
Bell();
break;
case CASE_BS:
/* backspace */
CursorBack(screen, 1);
break;
case CASE_CR:
/* carriage return */
CarriageReturn(screen);
parsestate = groundtable;
break;
case CASE_ESC:
/* escape */
parsestate = esctable;
break;
case CASE_VMOT:
/*
* form feed, line feed, vertical tab
*/
Index(screen, 1);
if (term->flags & LINEFEED)
CarriageReturn(screen);
if (QLength(screen->display) > 0 ||
GetBytesAvailable (ConnectionNumber(screen->display)) > 0)
xevents();
parsestate = groundtable;
break;
case CASE_TAB:
/* tab */
screen->cur_col = TabNext(term->tabs, screen->cur_col);
if (screen->cur_col > screen->max_col)
screen->cur_col = screen->max_col;
break;
case CASE_SI:
screen->curgl = 0;
break;
case CASE_SO:
screen->curgl = 1;
break;
case CASE_SCR_STATE:
/* enter scr state */
parsestate = scrtable;
break;
case CASE_SCS0_STATE:
/* enter scs state 0 */
scstype = 0;
parsestate = scstable;
break;
case CASE_SCS1_STATE:
/* enter scs state 1 */
scstype = 1;
parsestate = scstable;
break;
case CASE_SCS2_STATE:
/* enter scs state 2 */
scstype = 2;
parsestate = scstable;
break;
case CASE_SCS3_STATE:
/* enter scs state 3 */
scstype = 3;
parsestate = scstable;
break;
case CASE_ESC_IGNORE:
/* unknown escape sequence */
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');
break;
case CASE_ESC_SEMI:
/* semicolon in csi or dec mode */
param[nparam++] = DEFAULT;
break;
case CASE_DEC_STATE:
/* enter dec mode */
parsestate = dectable;
break;
case CASE_ICH:
/* ICH */
if((row = param[0]) < 1)
row = 1;
InsertChar(screen, row);
parsestate = groundtable;
break;
case CASE_CUU:
/* CUU */
if((row = param[0]) < 1)
row = 1;
CursorUp(screen, row);
parsestate = groundtable;
break;
case CASE_CUD:
/* CUD */
if((row = param[0]) < 1)
row = 1;
CursorDown(screen, row);
parsestate = groundtable;
break;
case CASE_CUF:
/* CUF */
if((row = param[0]) < 1)
row = 1;
CursorForward(screen, row);
parsestate = groundtable;
break;
case CASE_CUB:
/* CUB */
if((row = param[0]) < 1)
row = 1;
CursorBack(screen, row);
parsestate = groundtable;
break;
case CASE_CUP:
/* CUP | HVP */
if((row = param[0]) < 1)
row = 1;
if(nparam < 2 || (col = param[1]) < 1)
col = 1;
CursorSet(screen, row-1, col-1, term->flags);
parsestate = groundtable;
break;
case CASE_ED:
/* ED */
switch (param[0]) {
case DEFAULT:
case 0:
ClearBelow(screen);
break;
case 1:
ClearAbove(screen);
break;
case 2:
ClearScreen(screen);
break;
}
parsestate = groundtable;
break;
case CASE_EL:
/* EL */
switch (param[0]) {
case DEFAULT:
case 0:
ClearRight(screen);
break;
case 1:
ClearLeft(screen);
break;
case 2:
ClearLine(screen);
break;
}
parsestate = groundtable;
break;
case CASE_IL:
/* IL */
if((row = param[0]) < 1)
row = 1;
InsertLine(screen, row);
parsestate = groundtable;
break;
case CASE_DL:
/* DL */
if((row = param[0]) < 1)
row = 1;
DeleteLine(screen, row);
parsestate = groundtable;
break;
case CASE_DCH:
/* DCH */
if((row = param[0]) < 1)
row = 1;
DeleteChar(screen, row);
parsestate = groundtable;
break;
case CASE_TRACK_MOUSE:
/* 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);
break;
case CASE_DECID:
param[0] = -1; /* Default ID parameter */
/* Fall through into ... */
case CASE_DA1:
/* DA1 */
if (param[0] <= 0) { /* less than means DEFAULT */
reply.a_type = CSI;
reply.a_pintro = '?';
reply.a_nparam = 2;
reply.a_param[0] = 1; /* VT102 */
reply.a_param[1] = 2; /* VT102 */
reply.a_inters = 0;
reply.a_final = 'c';
unparseseq(&reply, screen->respond);
}
parsestate = groundtable;
break;
case CASE_TBC:
/* TBC */
if ((row = param[0]) <= 0) /* less than means default */
TabClear(term->tabs, screen->cur_col);
else if (row == 3)
TabZonk(term->tabs);
parsestate = groundtable;
break;
case CASE_SET:
/* SET */
ansi_modes(term, bitset);
parsestate = groundtable;
break;
case CASE_RST:
/* RST */
ansi_modes(term, bitclr);
parsestate = groundtable;
break;
case CASE_SGR:
/* SGR */
for (row=0; row<nparam; ++row) {
switch (param[row]) {
case DEFAULT:
case 0:
term->flags &= ~(INVERSE|BOLD|UNDERLINE);
break;
case 1:
case 5: /* Blink, really. */
term->flags |= BOLD;
break;
case 4: /* Underscore */
term->flags |= UNDERLINE;
break;
case 7:
term->flags |= INVERSE;
}
}
parsestate = groundtable;
break;
case CASE_CPR:
/* CPR */
if ((row = param[0]) == 5) {
reply.a_type = CSI;
reply.a_pintro = 0;
reply.a_nparam = 1;
reply.a_param[0] = 0;
reply.a_inters = 0;
reply.a_final = 'n';
unparseseq(&reply, screen->respond);
} else if (row == 6) {
reply.a_type = CSI;
reply.a_pintro = 0;
reply.a_nparam = 2;
reply.a_param[0] = screen->cur_row+1;
reply.a_param[1] = screen->cur_col+1;
reply.a_inters = 0;
reply.a_final = 'R';
unparseseq(&reply, screen->respond);
}
parsestate = groundtable;
break;
case CASE_DECSTBM:
/* DECSTBM - set scrolling region */
if((top = param[0]) < 1)
top = 1;
if(nparam < 2 || (bot = param[1]) == DEFAULT
|| bot > screen->max_row + 1
|| bot == 0)
bot = screen->max_row+1;
if (bot > top) {
if(screen->scroll_amt)
FlushScroll(screen);
screen->top_marg = top-1;
screen->bot_marg = bot-1;
CursorSet(screen, 0, 0, term->flags);
}
parsestate = groundtable;
break;
case CASE_DECREQTPARM:
/* DECREQTPARM */
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] = 112; /* transmit 9600 baud */
reply.a_param[4] = 112; /* receive 9600 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);
}
parsestate = groundtable;
break;
case CASE_DECSET:
/* DECSET */
dpmodes(term, bitset);
parsestate = groundtable;
if(screen->TekEmu)
return;
break;
case CASE_DECRST:
/* DECRST */
dpmodes(term, bitclr);
parsestate = groundtable;
break;
case CASE_DECALN:
/* DECALN */
if(screen->cursor_state)
HideCursor();
for(row = screen->max_row ; row >= 0 ; row--) {
bzero(screen->buf[2 * row + 1],
col = screen->max_col + 1);
for(cp = (unsigned char *)screen->buf[2 * row] ; col > 0 ; col--)
*cp++ = (unsigned char) 'E';
}
ScrnRefresh(screen, 0, 0, screen->max_row + 1,
screen->max_col + 1, False);
parsestate = groundtable;
break;
case CASE_GSETS:
screen->gsets[scstype] = c;
parsestate = groundtable;
break;
case CASE_DECSC:
/* DECSC */
CursorSave(term, &screen->sc);
parsestate = groundtable;
break;
case CASE_DECRC:
/* DECRC */
CursorRestore(term, &screen->sc);
parsestate = groundtable;
break;
case CASE_DECKPAM:
/* DECKPAM */
term->keyboard.flags |= KYPD_APL;
update_appkeypad();
parsestate = groundtable;
break;
case CASE_DECKPNM:
/* DECKPNM */
term->keyboard.flags &= ~KYPD_APL;
update_appkeypad();
parsestate = groundtable;
break;
case CASE_IND:
/* IND */
Index(screen, 1);
if (QLength(screen->display) > 0 ||
GetBytesAvailable (ConnectionNumber(screen->display)) > 0)
xevents();
parsestate = groundtable;
break;
case CASE_NEL:
/* NEL */
Index(screen, 1);
CarriageReturn(screen);
if (QLength(screen->display) > 0 ||
GetBytesAvailable (ConnectionNumber(screen->display)) > 0)
xevents();
parsestate = groundtable;
break;
case CASE_HTS:
/* HTS */
TabSet(term->tabs, screen->cur_col);
parsestate = groundtable;
break;
case CASE_RI:
/* RI */
RevIndex(screen, 1);
parsestate = groundtable;
break;
case CASE_SS2:
/* SS2 */
screen->curss = 2;
parsestate = groundtable;
break;
case CASE_SS3:
/* SS3 */
screen->curss = 3;
parsestate = groundtable;
break;
case CASE_CSI_STATE:
/* enter csi state */
nparam = 1;
param[0] = DEFAULT;
parsestate = csitable;
break;
case CASE_OSC:
/* Operating System Command: ESC ] */
do_osc(finput);
parsestate = groundtable;
break;
case CASE_RIS:
/* RIS */
VTReset(TRUE);
parsestate = groundtable;
break;
case CASE_LS2:
/* LS2 */
screen->curgl = 2;
parsestate = groundtable;
break;
case CASE_LS3:
/* LS3 */
screen->curgl = 3;
parsestate = groundtable;
break;
case CASE_LS3R:
/* LS3R */
screen->curgr = 3;
parsestate = groundtable;
break;
case CASE_LS2R:
/* LS2R */
screen->curgr = 2;
parsestate = groundtable;
break;
case CASE_LS1R:
/* LS1R */
screen->curgr = 1;
parsestate = groundtable;
break;
case CASE_XTERM_SAVE:
savemodes(term);
parsestate = groundtable;
break;
case CASE_XTERM_RESTORE:
restoremodes(term);
parsestate = groundtable;
break;
}
}
}
static finput()
{
return(doinput());
}
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 */
#define ptymask() (v_bufptr > v_bufstr ? pty_mask : 0)
/* 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. */
v_write(f, d, len)
int f;
char *d;
int len;
{
int riten;
int c = len;
if (v_bufstr == NULL && len > 0) {
v_buffer = XtMalloc(len);
v_bufstr = v_buffer;
v_bufptr = v_buffer;
v_bufend = v_buffer + len;
}
#ifdef 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, d);
fprintf(stderr, "\n");
#endif
if ((1 << f) != pty_mask)
return(write(f, d, len));
/*
* 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 (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 bcopy here */
#ifdef DEBUG
fprintf(stderr, "moving data down %d\n",
v_bufstr - v_buffer);
#endif
bcopy(v_bufstr, v_buffer, 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 = realloc(v_buffer, size + len);
if (v_buffer) {
#ifdef 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 */
bcopy(d, v_bufptr, 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) {
riten = write(f, v_bufstr, v_bufptr - v_bufstr <= MAX_PTY_WRITE ?
v_bufptr - v_bufstr : MAX_PTY_WRITE);
if (riten < 0) {
#ifdef DEBUG
perror("write");
#endif
riten = 0;
}
#ifdef 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;
int allocsize = size ? size : 1;
v_buffer = realloc(v_buffer, allocsize);
if (v_buffer) {
v_bufstr = v_buffer + start;
v_bufptr = v_buffer + size;
v_bufend = v_buffer + allocsize;
#ifdef 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);
}
static int select_mask;
static int write_mask;
static int pty_read_bytes;
in_put()
{
register TScreen *screen = &term->screen;
register int i;
static struct timeval select_timeout;
for( ; ; ) {
if (select_mask & pty_mask && eventMode == NORMAL) {
if (screen->logging)
FlushLog(screen);
bcnt = read(screen->respond, (char *)(bptr = buffer), BUF_SIZE);
if (bcnt < 0) {
if (errno == EIO)
Cleanup (0);
else if (!E_TEST(errno))
Panic(
"input: read returned unexpected error (%d)\n",
errno);
} else if (bcnt == 0)
Panic("input: read returned zero\n", 0);
else {
/* read from pty was successful */
if (!screen->output_eight_bits) {
register int bc = bcnt;
register Char *b = bptr;
for (; bc > 0; bc--, b++) {
*b &= (Char) 0x7f;
}
}
if ( screen->scrollWidget && screen->scrollttyoutput &&
screen->topline < 0)
WindowScroll(screen, 0); /* Scroll to bottom */
pty_read_bytes += bcnt;
/* stop speed reading at some point to look for X stuff */
/* (4096 is just a random large number.) */
if (pty_read_bytes > 4096) {
select_mask &= ~pty_mask;
}
break;
}
}
pty_read_bytes = 0;
/* update the screen */
if (screen->scroll_amt)
FlushScroll(screen);
if (screen->cursor_set && (screen->cursor_col != screen->cur_col
|| screen->cursor_row != screen->cur_row)) {
if (screen->cursor_state)
HideCursor();
ShowCursor();
} 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. */
select_mask = Select_mask;
write_mask = ptymask();
select_timeout.tv_sec = 0;
select_timeout.tv_usec = 0;
i = select(max_plus1, &select_mask, &write_mask, (int *)NULL,
QLength(screen->display) ? &select_timeout
: (struct timeval *) NULL);
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 (write_mask & ptymask()) {
v_write(screen->respond, 0, 0); /* flush buffer */
}
/* if there are X events already in our queue, it
counts as being readable */
if (QLength(screen->display) || (select_mask & X_mask)) {
xevents();
}
}
bcnt--;
return(*bptr++);
}
/*
* process a string of characters according to the character set indicated
* by charset. worry about end of line conditions (wraparound if selected).
*/
static void
dotext(screen, flags, charset, buf, ptr)
register TScreen *screen;
unsigned flags;
char charset;
char *buf; /* start of characters to process */
char *ptr; /* end */
{
register char *s;
register int len;
register int n;
register int next_col;
switch (charset) {
case 'A': /* United Kingdom set */
for (s=buf; s<ptr; ++s)
if (*s == '#')
*s = '\036'; /* UK pound sign*/
break;
case 'B': /* ASCII set */
break;
case '0': /* special graphics (line drawing) */
for (s=buf; s<ptr; ++s)
if (*s>=0x5f && *s<=0x7e)
*s = *s == 0x5f ? 0x7f : *s - 0x5f;
break;
default: /* any character sets we don't recognize*/
return;
}
len = ptr - buf;
ptr = buf;
while (len > 0) {
n = screen->max_col - screen->cur_col +1;
if (n <= 1) {
if (screen->do_wrap && (flags&WRAPAROUND)) {
/* mark that we had to wrap this line */
ScrnSetAttributes(screen, screen->cur_row, 0,
LINEWRAPPED, LINEWRAPPED, 1);
Index(screen, 1);
screen->cur_col = 0;
screen->do_wrap = 0;
n = screen->max_col+1;
} else
n = 1;
}
if (len < n)
n = len;
next_col = screen->cur_col + n;
WriteText(screen, ptr, n, flags);
/*
* 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 < next_col);
len -= n;
ptr += n;
}
}
/*
* write a string str of length len onto the screen at
* the current cursor position. update cursor position.
*/
static void
WriteText(screen, str, len, flags)
register TScreen *screen;
register char *str;
register int len;
unsigned flags;
{
register int cx, cy;
register unsigned fgs = flags;
GC currentGC;
if(screen->cur_row - screen->topline <= screen->max_row) {
/*
if(screen->cur_row == screen->cursor_row && screen->cur_col <=
screen->cursor_col && screen->cursor_col <= screen->cur_col + len - 1)
screen->cursor_state = OFF;
*/
if(screen->cursor_state)
HideCursor();
/*
* make sure that the correct GC is current
*/
if (fgs & BOLD)
if (fgs & INVERSE)
currentGC = screen->reverseboldGC;
else currentGC = screen->normalboldGC;
else /* not bold */
if (fgs & INVERSE)
currentGC = screen->reverseGC;
else currentGC = screen->normalGC;
if (fgs & INSERT)
InsertChar(screen, len);
if (!(AddToRefresh(screen))) {
if(screen->scroll_amt)
FlushScroll(screen);
cx = CursorX(screen, screen->cur_col);
cy = CursorY(screen, screen->cur_row)+screen->fnt_norm->ascent;
XDrawImageString(screen->display, TextWindow(screen), currentGC,
cx, cy, str, len);
if((fgs & BOLD) && screen->enbolden)
if (currentGC == screen->normalGC || screen->reverseGC)
XDrawString(screen->display, TextWindow(screen),
currentGC,cx + 1, cy, str, len);
if(fgs & UNDERLINE)
XDrawLine(screen->display, TextWindow(screen), currentGC,
cx, cy+1,
cx + len * FontWidth(screen), cy+1);
/*
* the following statements compile data to compute the average
* number of characters written on each call to XText. The data
* may be examined via the use of a "hidden" escape sequence.
*/
ctotal += len;
++ntotal;
}
}
ScreenWrite(screen, str, flags, len);
CursorForward(screen, len);
}
/*
* process ANSI modes set, reset
*/
ansi_modes(termw, func)
XtermWidget termw;
int (*func)();
{
register int i;
for (i=0; i<nparam; ++i) {
switch (param[i]) {
case 4: /* IRM */
(*func)(&termw->flags, INSERT);
break;
case 20: /* LNM */
(*func)(&termw->flags, LINEFEED);
update_autolinefeed();
break;
}
}
}
/*
* process DEC private modes set, reset
*/
dpmodes(termw, func)
XtermWidget termw;
void (*func)();
{
register TScreen *screen = &termw->screen;
register int i, j;
for (i=0; i<nparam; ++i) {
switch (param[i]) {
case 1: /* DECCKM */
(*func)(&termw->keyboard.flags, CURSOR_APL);
update_appcursor();
break;
case 2: /* ANSI/VT52 mode */
if (func == bitset) {
screen->gsets[0] =
screen->gsets[1] =
screen->gsets[2] =
screen->gsets[3] = 'B';
screen->curgl = 0;
screen->curgr = 2;
}
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 != screen->max_col + 1) {
Dimension replyWidth, replyHeight;
XtGeometryResult status;
status = XtMakeResizeRequest (
(Widget) termw,
(Dimension) FontWidth(screen) * j
+ 2*screen->border
+ screen->scrollbar,
(Dimension) FontHeight(screen)
* (screen->max_row + 1)
+ 2 * screen->border,
&replyWidth, &replyHeight);
if (status == XtGeometryYes ||
status == XtGeometryDone) {
ScreenResize (&termw->screen,
replyWidth,
replyHeight,
&termw->flags);
}
}
(*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 */
break;
case 9: /* MIT bogus sequence */
if(func == bitset)
screen->send_mouse_pos = 1;
else
screen->send_mouse_pos = 0;
break;
case 38: /* DECTEK */
if(func == bitset && !(screen->inhibit & I_TEK)) {
if(screen->logging) {
FlushLog(screen);
screen->logstart = Tbuffer;
}
screen->TekEmu = TRUE;
}
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 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;
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();
Bell();
#endif /* ALLOWLOGFILEONOFF */
break;
case 47: /* alternate buffer */
if (!termw->misc.titeInhibit) {
if(func == bitset)
ToAlternate(screen);
else
FromAlternate(screen);
}
break;
case 1000: /* xterm bogus sequence */
if(func == bitset)
screen->send_mouse_pos = 2;
else
screen->send_mouse_pos = 0;
break;
case 1001: /* xterm sequence w/hilite tracking */
if(func == bitset)
screen->send_mouse_pos = 3;
else
screen->send_mouse_pos = 0;
break;
}
}
}
/*
* process xterm private modes save
*/
savemodes(termw)
XtermWidget termw;
{
register TScreen *screen = &termw->screen;
register int i;
for (i = 0; i < nparam; i++) {
switch (param[i]) {
case 1: /* DECCKM */
screen->save_modes[0] = termw->keyboard.flags &
CURSOR_APL;
break;
case 3: /* DECCOLM */
if(screen->c132)
screen->save_modes[1] = termw->flags & IN132COLUMNS;
break;
case 4: /* DECSCLM (slow scroll) */
screen->save_modes[2] = termw->flags & SMOOTHSCROLL;
break;
case 5: /* DECSCNM */
screen->save_modes[3] = termw->flags & REVERSE_VIDEO;
break;
case 6: /* DECOM */
screen->save_modes[4] = termw->flags & ORIGIN;
break;
case 7: /* DECAWM */
screen->save_modes[5] = termw->flags & WRAPAROUND;
break;
case 8: /* DECARM */
/* ignore autorepeat */
break;
case 9: /* mouse bogus sequence */
screen->save_modes[7] = screen->send_mouse_pos;
break;
case 40: /* 132 column mode */
screen->save_modes[8] = screen->c132;
break;
case 41: /* curses hack */
screen->save_modes[9] = screen->curses;
break;
case 44: /* margin bell */
screen->save_modes[12] = screen->marginbell;
break;
case 45: /* reverse wraparound */
screen->save_modes[13] = termw->flags & REVERSEWRAP;
break;
case 46: /* logging */
screen->save_modes[14] = screen->logging;
break;
case 47: /* alternate buffer */
screen->save_modes[15] = screen->alternate;
break;
case 1000: /* mouse bogus sequence */
case 1001:
screen->save_modes[7] = screen->send_mouse_pos;
break;
}
}
}
/*
* process xterm private modes restore
*/
restoremodes(termw)
XtermWidget termw;
{
register TScreen *screen = &termw->screen;
register int i, j;
for (i = 0; i < nparam; i++) {
switch (param[i]) {
case 1: /* DECCKM */
termw->keyboard.flags &= ~CURSOR_APL;
termw->keyboard.flags |= screen->save_modes[0] &
CURSOR_APL;
update_appcursor();
break;
case 3: /* DECCOLM */
if(screen->c132) {
ClearScreen(screen);
CursorSet(screen, 0, 0, termw->flags);
if((j = (screen->save_modes[1] & IN132COLUMNS)
? 132 : 80) != ((termw->flags & IN132COLUMNS)
? 132 : 80) || j != screen->max_col + 1) {
Dimension replyWidth, replyHeight;
XtGeometryResult status;
status = XtMakeResizeRequest (
(Widget) termw,
(Dimension) FontWidth(screen) * j
+ 2*screen->border
+ screen->scrollbar,
(Dimension) FontHeight(screen)
* (screen->max_row + 1)
+ 2*screen->border,
&replyWidth, &replyHeight);
if (status == XtGeometryYes ||
status == XtGeometryDone) {
ScreenResize (&termw->screen,
replyWidth,
replyHeight,
&termw->flags);
}
}
termw->flags &= ~IN132COLUMNS;
termw->flags |= screen->save_modes[1] &
IN132COLUMNS;
}
break;
case 4: /* DECSCLM (slow scroll) */
if (screen->save_modes[2] & SMOOTHSCROLL) {
screen->jumpscroll = 0;
if (screen->scroll_amt)
FlushScroll(screen);
} else
screen->jumpscroll = 1;
termw->flags &= ~SMOOTHSCROLL;
termw->flags |= screen->save_modes[2] & SMOOTHSCROLL;
update_jumpscroll();
break;
case 5: /* DECSCNM */
if((screen->save_modes[3] ^ termw->flags) & REVERSE_VIDEO) {
termw->flags &= ~REVERSE_VIDEO;
termw->flags |= screen->save_modes[3] & REVERSE_VIDEO;
ReverseVideo(termw);
/* update_reversevideo done in RevVid */
}
break;
case 6: /* DECOM */
termw->flags &= ~ORIGIN;
termw->flags |= screen->save_modes[4] & ORIGIN;
CursorSet(screen, 0, 0, termw->flags);
break;
case 7: /* DECAWM */
termw->flags &= ~WRAPAROUND;
termw->flags |= screen->save_modes[5] & WRAPAROUND;
update_autowrap();
break;
case 8: /* DECARM */
/* ignore autorepeat */
break;
case 9: /* MIT bogus sequence */
screen->send_mouse_pos = screen->save_modes[7];
break;
case 40: /* 132 column mode */
screen->c132 = screen->save_modes[8];
update_allow132();
break;
case 41: /* curses hack */
screen->curses = screen->save_modes[9];
update_cursesemul();
break;
case 44: /* margin bell */
if(!(screen->marginbell = screen->save_modes[12]))
screen->bellarmed = -1;
update_marginbell();
break;
case 45: /* reverse wraparound */
termw->flags &= ~REVERSEWRAP;
termw->flags |= screen->save_modes[13] & REVERSEWRAP;
update_reversewrap();
break;
case 46: /* logging */
#ifdef ALLOWLOGFILEONOFF
if(screen->save_modes[14])
StartLog(screen);
else
CloseLog(screen);
#endif /* ALLOWLOGFILEONOFF */
/* update_logging done by StartLog and CloseLog */
break;
case 47: /* alternate buffer */
if (!termw->misc.titeInhibit) {
if(screen->save_modes[15])
ToAlternate(screen);
else
FromAlternate(screen);
/* update_altscreen done by ToAlt and FromAlt */
}
break;
case 1000: /* mouse bogus sequence */
case 1001:
screen->send_mouse_pos = screen->save_modes[7];
break;
}
}
}
/*
* set a bit in a word given a pointer to the word and a mask.
*/
static void bitset(p, mask)
unsigned *p;
int mask;
{
*p |= mask;
}
/*
* clear a bit in a word given a pointer to the word and a mask.
*/
static void bitclr(p, mask)
unsigned *p;
int mask;
{
*p &= ~mask;
}
unparseseq(ap, fd)
register ANSI *ap;
int fd;
{
register int c;
register int i;
register int inters;
c = ap->a_type;
if (c>=0x80 && c<=0x9F) {
unparseputc(ESC, fd);
c -= 0x40;
}
unparseputc(c, fd);
c = ap->a_type;
if (c==ESC || c==DCS || c==CSI || c==OSC || c==PM || c==APC) {
if (ap->a_pintro != 0)
unparseputc((char) 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);
}
inters = ap->a_inters;
for (i=3; i>=0; --i) {
c = (inters >> (8*i)) & 0xff;
if (c != 0)
unparseputc(c, fd);
}
unparseputc((char) ap->a_final, fd);
}
}
unparseputn(n, fd)
unsigned int n;
int fd;
{
unsigned int q;
q = n/10;
if (q != 0)
unparseputn(q, fd);
unparseputc((char) ('0' + (n%10)), fd);
}
unparseputc(c, fd)
char c;
int fd;
{
char buf[2];
register i = 1;
extern XtermWidget term;
if((buf[0] = c) == '\r' && (term->flags & LINEFEED)) {
buf[1] = '\n';
i++;
}
v_write(fd, buf, i);
}
unparsefputs (s, fd)
register char *s;
int fd;
{
if (s) {
while (*s) unparseputc (*s++, fd);
}
}
static void SwitchBufs();
ToAlternate(screen)
register TScreen *screen;
{
extern ScrnBuf Allocate();
if(screen->alternate)
return;
if(!screen->altbuf)
screen->altbuf = Allocate(screen->max_row + 1, screen->max_col
+ 1, &screen->abuf_address);
SwitchBufs(screen);
screen->alternate = TRUE;
update_altscreen();
}
FromAlternate(screen)
register TScreen *screen;
{
if(!screen->alternate)
return;
screen->alternate = FALSE;
SwitchBufs(screen);
update_altscreen();
}
static void
SwitchBufs(screen)
register TScreen *screen;
{
register int rows, top;
if(screen->cursor_state)
HideCursor();
rows = screen->max_row + 1;
SwitchBufPtrs(screen);
TrackText(0, 0, 0, 0); /* remove any highlighting */
if((top = -screen->topline) <= screen->max_row) {
if(screen->scroll_amt)
FlushScroll(screen);
if(top == 0)
XClearWindow(screen->display, TextWindow(screen));
else
XClearArea(
screen->display,
TextWindow(screen),
(int) screen->border + screen->scrollbar,
(int) top * FontHeight(screen) + screen->border,
(unsigned) Width(screen),
(unsigned) (screen->max_row - top + 1)
* FontHeight(screen),
FALSE);
}
ScrnRefresh(screen, 0, 0, rows, screen->max_col + 1, False);
}
/* swap buffer line pointers between alt and regular screens */
SwitchBufPtrs(screen)
register TScreen *screen;
{
register int rows = screen->max_row + 1;
char *save [2 * MAX_ROWS];
bcopy((char *)screen->buf, (char *)save, 2 * sizeof(char *) * rows);
bcopy((char *)screen->altbuf, (char *)screen->buf,
2 * sizeof(char *) * rows);
bcopy((char *)save, (char *)screen->altbuf, 2 * sizeof(char *) * rows);
}
VTRun()
{
register TScreen *screen = &term->screen;
register int i;
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;
bcnt = 0;
bptr = buffer;
while(Tpushb > Tpushback) {
*bptr++ = *--Tpushb;
bcnt++;
}
bcnt += (i = Tbcnt);
for( ; i > 0 ; i--)
*bptr++ = *Tbptr++;
bptr = buffer;
if(!setjmp(VTend))
VTparse();
HideCursor();
screen->cursor_set = OFF;
}
/*ARGSUSED*/
static void VTExpose(w, event, region)
Widget w;
XEvent *event;
Region region;
{
register TScreen *screen = &term->screen;
#ifdef DEBUG
if(debug)
fputs("Expose\n", stderr);
#endif /* DEBUG */
if (event->type == Expose)
HandleExposure (screen, event);
}
static void VTGraphicsOrNoExpose (event)
XEvent *event;
{
register 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 (w, closure, event, cont)
Widget w; /* unused */
XtPointer closure; /* unused */
XEvent *event;
Boolean *cont; /* unused */
{
switch (event->type) {
case GraphicsExpose:
case NoExpose:
VTGraphicsOrNoExpose (event);
break;
}
}
static void VTResize(w)
Widget w;
{
if (XtIsRealized(w))
ScreenResize (&term->screen, term->core.width, term->core.height,
&term->flags);
}
extern Atom wm_delete_window; /* for ICCCM delete window */
static String xterm_trans =
"<ClientMessage>WM_PROTOCOLS: DeleteWindow()\n\
<MappingNotify>: KeyboardMapping()\n";
int VTInit ()
{
register TScreen *screen = &term->screen;
Widget vtparent = term->core.parent;
XtRealizeWidget (vtparent);
XtOverrideTranslations(vtparent, XtParseTranslationTable(xterm_trans));
(void) XSetWMProtocols (XtDisplay(vtparent), XtWindow(vtparent),
&wm_delete_window, 1);
if (screen->allbuf == NULL) VTallocbuf ();
return (1);
}
static void VTallocbuf ()
{
register TScreen *screen = &term->screen;
int nrows = screen->max_row + 1;
extern ScrnBuf Allocate();
/* allocate screen buffer now, if necessary. */
if (screen->scrollWidget)
nrows += screen->savelines;
screen->allbuf = Allocate (nrows, screen->max_col + 1,
&screen->sbuf_address);
if (screen->scrollWidget)
screen->buf = &screen->allbuf[2 * screen->savelines];
else
screen->buf = screen->allbuf;
return;
}
static void VTClassInit ()
{
XtAddConverter(XtRString, XtRGravity, XmuCvtStringToGravity,
(XtConvertArgList) NULL, (Cardinal) 0);
}
/* ARGSUSED */
static void VTInitialize (wrequest, wnew, args, num_args)
Widget wrequest, wnew;
ArgList args;
Cardinal *num_args;
{
XtermWidget request = (XtermWidget) wrequest;
XtermWidget new = (XtermWidget) wnew;
int i;
/* Zero out the entire "screen" component of "new" widget,
then do field-by-field assigment of "screen" fields
that are named in the resource list. */
bzero ((char *) &new->screen, sizeof(new->screen));
new->screen.c132 = request->screen.c132;
new->screen.curses = request->screen.curses;
new->screen.foreground = request->screen.foreground;
new->screen.cursorcolor = request->screen.cursorcolor;
new->screen.border = request->screen.border;
new->screen.jumpscroll = request->screen.jumpscroll;
new->screen.logfile = request->screen.logfile;
new->screen.marginbell = request->screen.marginbell;
new->screen.mousecolor = request->screen.mousecolor;
new->screen.mousecolorback = request->screen.mousecolorback;
new->screen.multiscroll = request->screen.multiscroll;
new->screen.nmarginbell = request->screen.nmarginbell;
new->screen.savelines = request->screen.savelines;
new->screen.scrolllines = request->screen.scrolllines;
new->screen.scrollttyoutput = request->screen.scrollttyoutput;
new->screen.scrollkey = request->screen.scrollkey;
new->screen.visualbell = request->screen.visualbell;
new->screen.TekEmu = request->screen.TekEmu;
new->misc.re_verse = request->misc.re_verse;
new->screen.multiClickTime = request->screen.multiClickTime;
new->screen.bellSuppressTime = request->screen.bellSuppressTime;
new->screen.charClass = request->screen.charClass;
new->screen.cutNewline = request->screen.cutNewline;
new->screen.cutToBeginningOfLine = request->screen.cutToBeginningOfLine;
new->screen.always_highlight = request->screen.always_highlight;
new->screen.pointer_cursor = request->screen.pointer_cursor;
new->screen.input_eight_bits = request->screen.input_eight_bits;
new->screen.output_eight_bits = request->screen.output_eight_bits;
new->screen.allowSendEvents = request->screen.allowSendEvents;
new->misc.titeInhibit = request->misc.titeInhibit;
for (i = fontMenu_font1; i <= NMENUFONTS; i++) {
new->screen.menu_font_names[i] = request->screen.menu_font_names[i];
}
/* set default in realize proc */
new->screen.menu_font_names[fontMenu_fontdefault] = NULL;
new->screen.menu_font_names[fontMenu_fontescape] = NULL;
new->screen.menu_font_names[fontMenu_fontsel] = NULL;
new->screen.menu_font_number = fontMenu_fontdefault;
/*
* The definition of -rv now is that it changes the definition of
* XtDefaultForeground and XtDefaultBackground. So, we no longer
* need to do anything special.
*/
new->keyboard.flags = 0;
new->screen.display = new->core.screen->display;
new->core.height = new->core.width = 1;
/* 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. */
/* look for focus related events on the shell, because we need
* to care about the shell's border being part of our focus.
*/
XtAddEventHandler(XtParent(new), EnterWindowMask, FALSE,
HandleEnterWindow, (Opaque)NULL);
XtAddEventHandler(XtParent(new), LeaveWindowMask, FALSE,
HandleLeaveWindow, (Opaque)NULL);
XtAddEventHandler(XtParent(new), FocusChangeMask, FALSE,
HandleFocusChange, (Opaque)NULL);
XtAddEventHandler((Widget)new, 0L, TRUE,
VTNonMaskableEvent, (Opaque)NULL);
XtAddEventHandler((Widget)new, PropertyChangeMask, FALSE,
HandleBellPropertyChange, (Opaque)NULL);
new->screen.bellInProgress = FALSE;
set_character_class (new->screen.charClass);
/* create it, but don't realize it */
ScrollBarOn (new, TRUE, FALSE);
/* make sure that the resize gravity acceptable */
if ( new->misc.resizeGravity != NorthWestGravity &&
new->misc.resizeGravity != SouthWestGravity) {
extern XtAppContext app_con;
Cardinal nparams = 1;
XtAppWarningMsg(app_con, "rangeError", "resizeGravity", "XTermError",
"unsupported resizeGravity resource value (%d)",
(String *) &(new->misc.resizeGravity), &nparams);
new->misc.resizeGravity = SouthWestGravity;
}
return;
}
static void VTDestroy (w)
Widget w;
{
XtFree(((XtermWidget)w)->screen.selection);
}
/*ARGSUSED*/
static void VTRealize (w, valuemask, values)
Widget w;
XtValueMask *valuemask;
XSetWindowAttributes *values;
{
unsigned int width, height;
register TScreen *screen = &term->screen;
int xpos, ypos, pr;
XSizeHints sizehints;
int scrollbar_width;
TabReset (term->tabs);
screen->menu_font_names[fontMenu_fontdefault] = term->misc.f_n;
screen->fnt_norm = screen->fnt_bold = NULL;
if (!LoadNewFont(screen, term->misc.f_n, term->misc.f_b, False, 0)) {
if (XmuCompareISOLatin1(term->misc.f_n, "fixed") != 0) {
fprintf (stderr,
"%s: unable to open font \"%s\", trying \"fixed\"....\n",
xterm_name, term->misc.f_n);
(void) LoadNewFont (screen, "fixed", NULL, False, 0);
screen->menu_font_names[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);
}
/* making cursor */
if (!screen->pointer_cursor)
screen->pointer_cursor = make_colored_cursor(XC_xterm,
screen->mousecolor,
screen->mousecolorback);
else
recolor_cursor (screen->pointer_cursor,
screen->mousecolor, screen->mousecolorback);
scrollbar_width = (term->misc.scrollbar ?
screen->scrollWidget->core.width /* +
screen->scrollWidget->core.border_width */ : 0);
/* set defaults */
xpos = 1; ypos = 1; width = 80; height = 24;
pr = XParseGeometry (term->misc.geo_metry, &xpos, &ypos,
&width, &height);
screen->max_col = (width - 1); /* units in character cells */
screen->max_row = (height - 1); /* units in character cells */
update_font_info (&term->screen, False);
width = screen->fullVwin.fullwidth;
height = screen->fullVwin.fullheight;
if ((pr & XValue) && (XNegative&pr))
xpos += DisplayWidth(screen->display, DefaultScreen(screen->display))
- width - (term->core.parent->core.border_width * 2);
if ((pr & YValue) && (YNegative&pr))
ypos += DisplayHeight(screen->display,DefaultScreen(screen->display))
- height - (term->core.parent->core.border_width * 2);
/* set up size hints for window manager; min 1 char by 1 char */
sizehints.base_width = 2 * screen->border + scrollbar_width;
sizehints.base_height = 2 * screen->border;
sizehints.width_inc = FontWidth(screen);
sizehints.height_inc = FontHeight(screen);
sizehints.min_width = sizehints.base_width + sizehints.width_inc;
sizehints.min_height = sizehints.base_height + sizehints.height_inc;
sizehints.flags = (PBaseSize|PMinSize|PResizeInc);
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.width = width;
sizehints.height = height;
if ((WidthValue&pr) || (HeightValue&pr))
sizehints.flags |= USSize;
else sizehints.flags |= PSize;
(void) XtMakeResizeRequest((Widget) term,
(Dimension)width, (Dimension)height,
&term->core.width, &term->core.height);
/* 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(term), term->core.parent->core.window,
sizehints.x, sizehints.y);
XSetWMNormalHints (XtDisplay(term), term->core.parent->core.window,
&sizehints);
XFlush (XtDisplay(term)); /* get it out to window manager */
/* use ForgetGravity instead of SouthWestGravity because translating
the Expose events for ConfigureNotifys is too hard */
values->bit_gravity = term->misc.resizeGravity == NorthWestGravity ?
NorthWestGravity : ForgetGravity;
term->screen.fullVwin.window = term->core.window =
XCreateWindow(XtDisplay(term), XtWindow(term->core.parent),
term->core.x, term->core.y,
term->core.width, term->core.height, term->core.border_width,
(int) term->core.depth,
InputOutput, CopyFromParent,
*valuemask|CWBitGravity, values);
set_cursor_gcs (screen);
/* Reset variables used by ANSI emulation. */
screen->gsets[0] = 'B'; /* ASCII_G */
screen->gsets[1] = 'B';
screen->gsets[2] = 'B'; /* DEC supplemental. */
screen->gsets[3] = 'B';
screen->curgl = 0; /* G0 => GL. */
screen->curgr = 2; /* G2 => GR. */
screen->curss = 0; /* No single shift. */
XDefineCursor(screen->display, VShellWindow, screen->pointer_cursor);
screen->cur_col = screen->cur_row = 0;
screen->max_col = Width(screen)/screen->fullVwin.f_width - 1;
screen->top_marg = 0;
screen->bot_marg = screen->max_row = Height(screen) /
screen->fullVwin.f_height - 1;
screen->sc.row = screen->sc.col = screen->sc.flags = 0;
/* 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 (!tekWidget) /* if not called after fork */
screen->buf = screen->allbuf = NULL;
screen->do_wrap = 0;
screen->scrolls = screen->incopy = 0;
set_vt_box (screen);
screen->savedlines = 0;
if (term->misc.scrollbar) {
screen->scrollbar = 0;
ScrollBarOn (term, FALSE, TRUE);
}
CursorSave (term, &screen->sc);
return;
}
static Boolean VTSetValues (cur, request, new, args, num_args)
Widget cur, request, new;
ArgList args;
Cardinal *num_args;
{
XtermWidget curvt = (XtermWidget) cur;
XtermWidget newvt = (XtermWidget) new;
Boolean refresh_needed = FALSE;
Boolean fonts_redone = FALSE;
if(curvt->core.background_pixel != newvt->core.background_pixel
|| curvt->screen.foreground != newvt->screen.foreground
|| curvt->screen.menu_font_names[curvt->screen.menu_font_number]
!= newvt->screen.menu_font_names[newvt->screen.menu_font_number]
|| curvt->misc.f_n != newvt->misc.f_n) {
if(curvt->misc.f_n != newvt->misc.f_n)
newvt->screen.menu_font_names[fontMenu_fontdefault] = newvt->misc.f_n;
if (LoadNewFont(&newvt->screen,
newvt->screen.menu_font_names[curvt->screen.menu_font_number],
newvt->screen.menu_font_names[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.f_n != newvt->misc.f_n)
newvt->screen.menu_font_names[fontMenu_fontdefault] = curvt->misc.f_n;
}
if(!fonts_redone
&& curvt->screen.cursorcolor != newvt->screen.cursorcolor) {
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(curvt->screen.mousecolor != newvt->screen.mousecolor
|| curvt->screen.mousecolorback != newvt->screen.mousecolorback) {
recolor_cursor (newvt->screen.pointer_cursor,
newvt->screen.mousecolor,
newvt->screen.mousecolorback);
refresh_needed = TRUE;
}
if (curvt->misc.scrollbar != newvt->misc.scrollbar) {
if (newvt->misc.scrollbar) {
ScrollBarOn (newvt, FALSE, FALSE);
} else {
ScrollBarOff (&newvt->screen);
}
update_scrollbar();
}
return refresh_needed;
}
/*
* Shows cursor at new cursor position in screen.
*/
ShowCursor()
{
register TScreen *screen = &term->screen;
register int x, y, flags;
Char c;
GC currentGC;
Boolean in_selection;
if (eventMode != NORMAL) return;
if (screen->cur_row - screen->topline > screen->max_row)
return;
c = screen->buf[y = 2 * (screen->cursor_row = screen->cur_row)]
[x = screen->cursor_col = screen->cur_col];
flags = screen->buf[y + 1][x];
if (c == 0)
c = ' ';
if (screen->cur_row > screen->endHRow ||
(screen->cur_row == screen->endHRow &&
screen->cur_col >= screen->endHCol) ||
screen->cur_row < screen->startHRow ||
(screen->cur_row == screen->startHRow &&
screen->cur_col < screen->startHCol))
in_selection = False;
else
in_selection = True;
if(screen->select || screen->always_highlight) {
if (( (flags & INVERSE) && !in_selection) ||
(!(flags & INVERSE) && in_selection)){
/* text is reverse video */
if (screen->cursorGC) {
currentGC = screen->cursorGC;
} else {
if (flags & BOLD) {
currentGC = screen->normalboldGC;
} else {
currentGC = screen->normalGC;
}
}
} else { /* normal video */
if (screen->reversecursorGC) {
currentGC = screen->reversecursorGC;
} else {
if (flags & BOLD) {
currentGC = screen->reverseboldGC;
} else {
currentGC = screen->reverseGC;
}
}
}
} else { /* not selected */
if (( (flags & INVERSE) && !in_selection) ||
(!(flags & INVERSE) && in_selection)) {
/* text is reverse video */
currentGC = screen->reverseGC;
} else { /* normal video */
currentGC = screen->normalGC;
}
}
x = CursorX (screen, screen->cur_col);
y = CursorY(screen, screen->cur_row) +
screen->fnt_norm->ascent;
XDrawImageString(screen->display, TextWindow(screen), currentGC,
x, y, (char *) &c, 1);
if((flags & BOLD) && screen->enbolden) /* no bold font */
XDrawString(screen->display, TextWindow(screen), currentGC,
x + 1, y, (char *) &c, 1);
if(flags & UNDERLINE)
XDrawLine(screen->display, TextWindow(screen), currentGC,
x, y+1, x + FontWidth(screen), y+1);
if (!screen->select && !screen->always_highlight) {
screen->box->x = x;
screen->box->y = y - screen->fnt_norm->ascent;
XDrawLines (screen->display, TextWindow(screen),
screen->cursoroutlineGC ? screen->cursoroutlineGC
: currentGC,
screen->box, NBOX, CoordModePrevious);
}
screen->cursor_state = ON;
}
/*
* hide cursor at previous cursor position in screen.
*/
HideCursor()
{
register TScreen *screen = &term->screen;
GC currentGC;
register int x, y, flags;
char c;
Boolean in_selection;
if(screen->cursor_row - screen->topline > screen->max_row)
return;
c = screen->buf[y = 2 * screen->cursor_row][x = screen->cursor_col];
flags = screen->buf[y + 1][x];
if (screen->cursor_row > screen->endHRow ||
(screen->cursor_row == screen->endHRow &&
screen->cursor_col >= screen->endHCol) ||
screen->cursor_row < screen->startHRow ||
(screen->cursor_row == screen->startHRow &&
screen->cursor_col < screen->startHCol))
in_selection = False;
else
in_selection = True;
if (( (flags & INVERSE) && !in_selection) ||
(!(flags & INVERSE) && in_selection)) {
if(flags & BOLD) {
currentGC = screen->reverseboldGC;
} else {
currentGC = screen->reverseGC;
}
} else {
if(flags & BOLD) {
currentGC = screen->normalboldGC;
} else {
currentGC = screen->normalGC;
}
}
if (c == 0)
c = ' ';
x = CursorX (screen, screen->cursor_col);
y = (((screen->cursor_row - screen->topline) * FontHeight(screen))) +
screen->border;
y = y+screen->fnt_norm->ascent;
XDrawImageString(screen->display, TextWindow(screen), currentGC,
x, y, &c, 1);
if((flags & BOLD) && screen->enbolden)
XDrawString(screen->display, TextWindow(screen), currentGC,
x + 1, y, &c, 1);
if(flags & UNDERLINE)
XDrawLine(screen->display, TextWindow(screen), currentGC,
x, y+1, x + FontWidth(screen), y+1);
screen->cursor_state = OFF;
}
VTReset(full)
Boolean full;
{
register TScreen *screen = &term->screen;
/* reset scrolling region */
screen->top_marg = 0;
screen->bot_marg = screen->max_row;
term->flags &= ~ORIGIN;
if(full) {
TabReset (term->tabs);
term->keyboard.flags = 0;
update_appcursor();
update_appkeypad();
screen->gsets[0] = 'B';
screen->gsets[1] = 'B';
screen->gsets[2] = 'B';
screen->gsets[3] = 'B';
screen->curgl = 0;
screen->curgr = 2;
screen->curss = 0;
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 junk;
XtMakeResizeRequest(
(Widget) term,
(Dimension) 80*FontWidth(screen)
+ 2 * screen->border + screen->scrollbar,
(Dimension) FontHeight(screen)
* (screen->max_row + 1) + 2 * screen->border,
&junk, &junk);
XSync(screen->display, FALSE); /* synchronize */
if(QLength(screen->display) > 0)
xevents();
}
CursorSet(screen, 0, 0, term->flags);
}
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.
*/
int set_character_class (s)
register char *s;
{
register 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";
extern char *ProgramName;
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(w, event, params, param_count)
Widget w;
XEvent *event;
String *params;
Cardinal *param_count;
{
static XtTranslations keymap, original;
static XtResource key_resources[] = {
{ XtNtranslations, XtCTranslations, XtRTranslationTable,
sizeof(XtTranslations), 0, XtRTranslationTable, (caddr_t)NULL}
};
char mapName[1000];
char mapClass[1000];
if (*param_count != 1) return;
if (original == NULL) original = w->core.tm.translations;
if (strcmp(params[0], "None") == 0) {
XtOverrideTranslations(w, original);
return;
}
(void) sprintf( mapName, "%sKeymap", params[0] );
(void) strcpy( mapClass, mapName );
if (islower(mapClass[0])) mapClass[0] = toupper(mapClass[0]);
XtGetSubresources( w, (XtPointer)&keymap, mapName, mapClass,
key_resources, (Cardinal)1, NULL, (Cardinal)0 );
if (keymap != NULL)
XtOverrideTranslations(w, keymap);
}
/* ARGSUSED */
static void HandleBell(w, event, params, param_count)
Widget w;
XEvent *event; /* unused */
String *params; /* [0] = volume */
Cardinal *param_count; /* 0 or 1 */
{
int percent = (*param_count) ? atoi(params[0]) : 0;
XBell( XtDisplay(w), percent );
}
/* ARGSUSED */
static void HandleVisualBell(w, event, params, param_count)
Widget w;
XEvent *event; /* unused */
String *params; /* unused */
Cardinal *param_count; /* unused */
{
VisualBell();
}
/* ARGSUSED */
static void HandleIgnore(w, event, params, param_count)
Widget w;
XEvent *event; /* unused */
String *params; /* unused */
Cardinal *param_count; /* unused */
{
/* do nothing, but check for funny escape sequences */
(void) SendMousePosition(w, event);
}
/* ARGSUSED */
static void
DoSetSelectedFont(w, client_data, selection, type, value, length, format)
Widget w;
XtPointer client_data;
Atom *selection, *type;
XtPointer value;
unsigned long *length;
int *format;
{
char *val = (char *)value;
int len;
if (*type != XA_STRING || *format != 8) {
Bell();
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 (!LoadNewFont (&term->screen, val, NULL, True, fontMenu_fontsel))
Bell();
}
}
void FindFontSelection (atom_name, justprobe)
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.menu_font_names[fontMenu_fontsel] =
XGetSelectionOwner(XtDisplay(term), target) ? _Font_Selected_ : NULL;
} else {
XtGetSelectionValue((Widget)term, target, XA_STRING,
DoSetSelectedFont, NULL,
XtLastTimestampProcessed(XtDisplay(term)));
}
return;
}
/* ARGSUSED */
void HandleSetFont(w, event, params, param_count)
Widget w;
XEvent *event; /* unused */
String *params; /* unused */
Cardinal *param_count; /* unused */
{
int fontnum;
char *name1 = NULL, *name2 = NULL;
if (*param_count == 0) {
fontnum = fontMenu_fontdefault;
} else {
int maxparams = 1; /* total number of params allowed */
switch (params[0][0]) {
case 'd': case 'D': case '0':
fontnum = fontMenu_fontdefault; break;
case '1':
fontnum = fontMenu_font1; break;
case '2':
fontnum = fontMenu_font2; break;
case '3':
fontnum = fontMenu_font3; break;
case '4':
fontnum = fontMenu_font4; break;
case 'e': case 'E':
fontnum = fontMenu_fontescape; maxparams = 3; break;
case 's': case 'S':
fontnum = fontMenu_fontsel; maxparams = 2; break;
default:
Bell();
return;
}
if (*param_count > maxparams) { /* see if extra args given */
Bell();
return;
}
switch (*param_count) { /* assign 'em */
case 3:
name2 = params[2];
/* fall through */
case 2:
name1 = params[1];
break;
}
}
SetVTFont (fontnum, True, name1, name2);
}
void SetVTFont (i, doresize, name1, name2)
int i;
Bool doresize;
char *name1, *name2;
{
TScreen *screen = &term->screen;
if (i < 0 || i >= NMENUFONTS) {
Bell();
return;
}
if (i == fontMenu_fontsel) { /* go get the selection */
FindFontSelection (name1, False); /* name1 = atom, name2 is ignored */
return;
}
if (!name1) name1 = screen->menu_font_names[i];
if (!LoadNewFont(screen, name1, name2, doresize, i)) {
Bell();
}
return;
}
int LoadNewFont (screen, nfontname, bfontname, doresize, fontnum)
TScreen *screen;
char *nfontname, *bfontname;
Bool doresize;
int fontnum;
{
XFontStruct *nfs = NULL, *bfs = NULL;
XGCValues xgcv;
unsigned long mask;
GC new_normalGC = NULL, new_normalboldGC = NULL;
GC new_reverseGC = NULL, new_reverseboldGC = NULL;
char *tmpname = NULL;
if (!nfontname) return 0;
if (fontnum == fontMenu_fontescape &&
nfontname != screen->menu_font_names[fontnum]) {
tmpname = (char *) malloc (strlen(nfontname) + 1);
if (!tmpname) return 0;
strcpy (tmpname, nfontname);
}
if (!(nfs = XLoadQueryFont (screen->display, nfontname))) goto bad;
if (!(bfontname &&
(bfs = XLoadQueryFont (screen->display, bfontname))))
bfs = nfs;
mask = (GCFont | GCForeground | GCBackground | GCGraphicsExposures |
GCFunction);
xgcv.font = nfs->fid;
xgcv.foreground = screen->foreground;
xgcv.background = term->core.background_pixel;
xgcv.graphics_exposures = TRUE; /* default */
xgcv.function = GXcopy;
new_normalGC = XtGetGC((Widget)term, mask, &xgcv);
if (!new_normalGC) goto bad;
if (nfs == bfs) { /* there is no bold font */
new_normalboldGC = new_normalGC;
} else {
xgcv.font = bfs->fid;
new_normalboldGC = XtGetGC((Widget)term, mask, &xgcv);
if (!new_normalboldGC) goto bad;
}
xgcv.font = nfs->fid;
xgcv.foreground = term->core.background_pixel;
xgcv.background = screen->foreground;
new_reverseGC = XtGetGC((Widget)term, mask, &xgcv);
if (!new_reverseGC) goto bad;
if (nfs == bfs) { /* there is no bold font */
new_reverseboldGC = new_reverseGC;
} else {
xgcv.font = bfs->fid;
new_reverseboldGC = XtGetGC((Widget)term, mask, &xgcv);
if (!new_reverseboldGC) goto bad;
}
if (screen->normalGC != screen->normalboldGC)
XtReleaseGC ((Widget) term, screen->normalboldGC);
XtReleaseGC ((Widget) term, screen->normalGC);
if (screen->reverseGC != screen->reverseboldGC)
XtReleaseGC ((Widget) term, screen->reverseboldGC);
XtReleaseGC ((Widget) term, screen->reverseGC);
screen->normalGC = new_normalGC;
screen->normalboldGC = new_normalboldGC;
screen->reverseGC = new_reverseGC;
screen->reverseboldGC = new_reverseboldGC;
screen->fnt_norm = nfs;
screen->fnt_bold = bfs;
screen->enbolden = (nfs == bfs);
set_menu_font (False);
screen->menu_font_number = fontnum;
set_menu_font (True);
if (tmpname) { /* if setting escape or sel */
if (screen->menu_font_names[fontnum])
free (screen->menu_font_names[fontnum]);
screen->menu_font_names[fontnum] = tmpname;
if (fontnum == fontMenu_fontescape) {
set_sensitivity (term->screen.fontMenu,
fontMenuEntries[fontMenu_fontescape].widget,
TRUE);
}
}
set_cursor_gcs (screen);
update_font_info (screen, doresize);
return 1;
bad:
if (tmpname) free (tmpname);
if (new_normalGC)
XtReleaseGC ((Widget) term, screen->normalGC);
if (new_normalGC && new_normalGC != new_normalboldGC)
XtReleaseGC ((Widget) term, new_normalboldGC);
if (new_reverseGC)
XtReleaseGC ((Widget) term, new_reverseGC);
if (new_reverseGC && new_reverseGC != new_reverseboldGC)
XtReleaseGC ((Widget) term, new_reverseboldGC);
if (nfs) XFreeFont (screen->display, nfs);
if (nfs && nfs != bfs) XFreeFont (screen->display, bfs);
return 0;
}
update_font_info (screen, doresize)
TScreen *screen;
Bool doresize;
{
int i, j, width, height, scrollbar_width;
screen->fullVwin.f_width = screen->fnt_norm->max_bounds.width;
screen->fullVwin.f_height = (screen->fnt_norm->ascent +
screen->fnt_norm->descent);
scrollbar_width = (term->misc.scrollbar ?
screen->scrollWidget->core.width +
screen->scrollWidget->core.border_width : 0);
i = 2 * screen->border + scrollbar_width;
j = 2 * screen->border;
width = (screen->max_col + 1) * screen->fullVwin.f_width + i;
height = (screen->max_row + 1) * screen->fullVwin.f_height + j;
screen->fullVwin.fullwidth = width;
screen->fullVwin.fullheight = height;
screen->fullVwin.width = width - i;
screen->fullVwin.height = height - j;
if (doresize) {
if (VWindow(screen)) {
XClearWindow (screen->display, VWindow(screen));
}
DoResizeScreen (term); /* set to the new natural size */
if (screen->scrollWidget)
ResizeScrollBar (screen->scrollWidget, -1, -1,
Height(screen) + screen->border * 2);
Redraw ();
}
set_vt_box (screen);
}
set_vt_box (screen)
TScreen *screen;
{
XPoint *vp;
vp = &VTbox[1];
(vp++)->x = FontWidth(screen) - 1;
(vp++)->y = FontHeight(screen) - 1;
(vp++)->x = -(FontWidth(screen) - 1);
vp->y = -(FontHeight(screen) - 1);
screen->box = VTbox;
}
set_cursor_gcs (screen)
TScreen *screen;
{
XGCValues xgcv;
unsigned long mask;
unsigned long cc = screen->cursorcolor;
unsigned long fg = screen->foreground;
unsigned long bg = term->core.background_pixel;
GC new_cursorGC = NULL, 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.
*/
xgcv.font = screen->fnt_norm->fid;
mask = (GCForeground | GCBackground | GCFont);
if (cc != fg && cc != bg) {
/* we have a colored cursor */
xgcv.foreground = fg;
xgcv.background = cc;
new_cursorGC = 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);
}
} else {
new_cursorGC = (GC) 0;
new_reversecursorGC = (GC) 0;
new_cursoroutlineGC = (GC) 0;
}
if (screen->cursorGC) XtReleaseGC ((Widget)term, screen->cursorGC);
if (screen->reversecursorGC)
XtReleaseGC ((Widget)term, screen->reversecursorGC);
if (screen->cursoroutlineGC)
XtReleaseGC ((Widget)term, screen->cursoroutlineGC);
screen->cursorGC = new_cursorGC;
screen->reversecursorGC = new_reversecursorGC;
screen->cursoroutlineGC = new_cursoroutlineGC;
}