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GXDITVIEW(1)                           General Commands Manual                          GXDITVIEW(1)



NAME
       gxditview - display groff intermediate output files

SYNOPSIS
       gxditview [X-toolkit-option...] [-backingStore backing-store-type] [-filename string]
                 [-page n] [-printCommand string] [-resolution res] [file]

       gxditview -help
       gxditview --help

DESCRIPTION
       The gxditview program displays the groff intermediate output, see groff_out(5), on an X  dis‐
       play.   It  uses  the standard X11 fonts, so it does not require access to the server machine
       for font loading.  There are several ways to use gxditview.

       The groff intermediate output can be generated by groff -Z.  This can be viewed by explicitly
       calling  gxditview  filename.   If  filename  is  -,  gxditview will read the standard input;
       filename cannot be omitted.  The groff intermediate output  is  different  for  all  devices.
       gxditview can view it for all devices, but the quality is device dependent.

       The  best  results are achieved with the X* devices for groff's option -T.  There are four X*
       devices: -TX75, -TX75-12, -TX100, -TX100-12.  They differ  by  the  X  resolution  (75dpi  or
       100dpi) and the used base font size (10pt or 12pt).  They are especially built for gxditview.
       When using one of them groff generates the intermediate output  for  this  device  and  calls
       gxditview  automatically for viewing.  For example, to view this man page with a base resolu‐
       tion of 12pt, say

              groff -TX100-12 -man -rS12 gxditview.1

       (option -rSXX is documented in the groff_man(7) man page).

       groff's option -X produces intermediate output for the  PostScript  device  and  subsequently
       uses  gxditview  as  a viewer for it.  The quality of the result depends mainly on the chosen
       point size and display resolution; for rapid previewing, however, something like

              groff -X -P-resolution -P100 document

       yields acceptable results.

       During the run of gxditview, the left mouse button brings up a menu with  the  following  en‐
       tries:

       Next Page
               Display the next page.

       Previous Page
               Display the previous page.

       Select Page
               Select a particular numbered page specified by a dialog box.

       Print   Print  the  groff intermediate output using a command specified by a dialog box.  The
               default command initially displayed is controlled by the printCommand application re‐
               source, and by the -printCommand option.

       Open    Open  for display a new file specified by a dialog box.  The file should contain some
               groff intermediate output.  If the filename starts with | it will be taken  to  be  a
               command to read from.

       Quit    Exit from gxditview.

       The  n,  Space,  Return,  and  Next (PgDn) keys are bound to the Next Page action.  The p, b,
       BackSpace, Delete, and Prior (PgUp) keys are bound to the Previous Page action.  The g key is
       bound  to  the  SelectPage  action.  The o key is bound to the OpenFile action.  The q key is
       bound to the Quit action.  The r key is bound to the Rerasterize  action  which  rereads  the
       current  file, and redisplays the current page; if the current file is a command, the command
       will be reexecuted.  Vertical scrolling can be  done  with  the  k  and  j  keys;  horizontal
       scrolling  is bound to the h and l keys.  The arrow keys (up, down, left, and right) are also
       bound to the obvious scrolling actions.

       The paperlength and paperwidth commands in the DESC file specify the length and width in  ma‐
       chine units of the virtual page displayed by gxditview.

OPTIONS
       The  gxditview  program accepts all of the standard X Toolkit command-line options along with
       the additional options listed below:

       -help   This option indicates that a brief summary of the allowed options should be printed.

       -page   This option specifies the page number of the document to be displayed.

       -backingStore backing-store-type
               Redisplay of the groff intermediate output window can take up to a second or so, this
               option  causes  the  server  to  save the window contents so that when it is scrolled
               around the viewport, the window is painted from  contents  saved  in  backing  store.
               backing-store-type can be one of Always, WhenMapped or NotUseful.

       -printCommand command
               The default command displayed in the dialog box for the Print menu entry will be com‐
               mand.

       -resolution res
               The groff intermediate output file will be displayed at a resolution of res dpi,  un‐
               less the DESC file contains the X11 command, in which case the device resolution will
               be used.  This corresponds to the Dvi widget's resolution resource.  The  default  is
               75.

       -filename string
               The  default  filename  displayed  in  the dialog box for the Open menu entry will be
               string.  This can be either a filename, or a command starting with |.

       The following standard X Toolkit command-line arguments are commonly used with gxditview:

       -bg color
               This option specifies the color to use for the background of the window.  The default
               is white.

       -bd color
               This  option specifies the color to use for the border of the window.  The default is
               black.

       -bw number
               This option specifies the width in pixels of the border surrounding the window.

       -fg color
               This option specifies the color to use for displaying text.  The default is black.

       -fn font
               This option specifies the font to be used for displaying widget text.  The default is
               fixed.

       -rv     This  option  indicates  that reverse video should be simulated by swapping the fore‐
               ground and background colors.

       -geometry geometry
               This option specifies the preferred size and position of the window.

       -display host:display
               This option specifies the X server to contact.

       -xrm resourcestring
               This option specifies a resource string to be used.

X DEFAULTS
       This program uses the Dvi widget in the X Toolkit.  It understands all of the  core  resource
       names and classes as well as:

       width (class Width)
               Specifies the width of the window.

       height (class Height)
               Specifies the height of the window.

       foreground (class Foreground)
               Specifies the default foreground color.

       font (class Font)
               Specifies the font to be used for error messages.

       fontMap (class FontMap)
               Specifies  the  mapping from groff font names to X font names.  This must be a string
               containing a sequence of lines.  Each line contains two whitespace separated  fields:
               first the groff font name, and secondly the X font name.  The default is
               "\
               TR   -adobe-times-medium-r-normal--*-100-*-*-*-*-iso8859-1\n\
               TI   -adobe-times-medium-i-normal--*-100-*-*-*-*-iso8859-1\n\
               TB   -adobe-times-bold-r-normal--*-100-*-*-*-*-iso8859-1\n\
               TBI  -adobe-times-bold-i-normal--*-100-*-*-*-*-iso8859-1\n\
               CR   -adobe-courier-medium-r-normal--*-100-*-*-*-*-iso8859-1\n\
               CI   -adobe-courier-medium-o-normal--*-100-*-*-*-*-iso8859-1\n\
               CB   -adobe-courier-bold-r-normal--*-100-*-*-*-*-iso8859-1\n\
               CBI  -adobe-courier-bold-o-normal--*-100-*-*-*-*-iso8859-1\n\
               HR   -adobe-helvetica-medium-r-normal--*-100-*-*-*-*-iso8859-1\n\
               HI   -adobe-helvetica-medium-o-normal--*-100-*-*-*-*-iso8859-1\n\
               HB   -adobe-helvetica-bold-r-normal--*-100-*-*-*-*-iso8859-1\n\
               HBI  -adobe-helvetica-bold-o-normal--*-100-*-*-*-*-iso8859-1\n\
               NR   -adobe-new century schoolbook-medium-r-normal--*-100-*-*-*-*-iso8859-1\n\
               NI   -adobe-new century schoolbook-medium-i-normal--*-100-*-*-*-*-iso8859-1\n\
               NB   -adobe-new century schoolbook-bold-r-normal--*-100-*-*-*-*-iso8859-1\n\
               NBI  -adobe-new century schoolbook-bold-i-normal--*-100-*-*-*-*-iso8859-1\n\
               S    -adobe-symbol-medium-r-normal--*-100-*-*-*-*-adobe-fontspecific\n\
               SS   -adobe-symbol-medium-r-normal--*-100-*-*-*-*-adobe-fontspecific\n\
               "

ENVIRONMENT
       GROFF_FONT_PATH
              A  list of directories in which to search for the devname directory in addition to the
              default ones.  See troff(1) and groff_font(5) for more details.

FILES
       /etc/X11/app-defaults/GXditview
       /etc/X11/app-defaults/GXditview-color
              The default resource files of gxditview.  Users should override these  values  in  the
              .Xdefaults  file,  normally located in the user's home directory.  See xrdb(1) and ap‐‐
              pres(1) for more.

AUTHORS
       gxditview and its predecessor xditview were written by  Keith  Packard  (MIT  X  Consortium),
       Richard  L.  Hyde  (Purdue),  David Slattengren (Berkeley), Malcolm Slaney (Schlumberger Palo
       Alto Research), Mark Moraes (University of Toronto), and James Clark.

SEE ALSO
       X(7), xrdb(1), xditview(1), groff(1), groff_out(5)

ORIGIN
       This program is derived from xditview; portions of xditview originated in  xtroff  which  was
       derived from suntroff.



groff 1.22.4                                23 March 2022                               GXDITVIEW(1)