clipboard man page on BSDOS

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clipboard(n)	       Tk Built-In Commands	     clipboard(n)

_________________________________________________________________

NAME
       clipboard - Manipulate Tk clipboard

SYNOPSIS
       clipboard option ?arg arg ...?
_________________________________________________________________

DESCRIPTION
       This command provides a Tcl interface to the Tk clipboard,
       which stores data for later retrieval using the	selection
       mechanism.   In	order  to  copy	 data into the clipboard,
       clipboard clear must be called, followed by a sequence  of
       one or more calls to clipboard append.  To ensure that the
       clipboard is updated atomically,	 all  appends  should  be
       completed before returning to the event loop.

       The  first  argument to clipboard determines the format of
       the rest of the arguments and the behavior of the command.
       The following forms are currently supported:

       clipboard clear ?-displayof window?
	      Claims  ownership of the clipboard on window's dis-
	      play and removes	any  previous  contents.   Window
	      defaults to ``.''.  Returns an empty string.

       clipboard  append  ?-displayof  window?	?-format  format?
       ?-type type? ?--? data
	      Appends  data  to the clipboard on window's display
	      in the form given by type with  the  representation
	      given  by	 format and claims ownership of the clip-
	      board on window's display.

	      Type specifies the form in which the  selection  is
	      to  be returned (the desired ``target'' for conver-
	      sion, in ICCCM terminology), and should be an  atom
	      name  such  as  STRING or FILE_NAME; see the Inter-
	      Client Communication Conventions	Manual	for  com-
	      plete details.  Type defaults to STRING.

	      The  format  argument  specifies the representation
	      that should be used to transmit  the  selection  to
	      the  requester (the second column of Table 2 of the
	      ICCCM), and  defaults  to	 STRING.   If  format  is
	      STRING, the selection is transmitted as 8-bit ASCII
	      characters.  If format is ATOM, then  the	 data  is
	      divided  into fields separated by white space; each
	      field is converted  to  its  atom	 value,	 and  the
	      32-bit  atom  value  is  transmitted instead of the
	      atom name.  For any other format,	 data is  divided
	      into fields separated by white space and each field

Tk			       4.0				1

clipboard(n)	       Tk Built-In Commands	     clipboard(n)

	      is converted to a 32-bit integer; an array of inte-
	      gers  is	transmitted  to	 the selection requester.
	      Note that strings passed to  clipboard  append  are
	      concatenated  before conversion, so the caller must
	      take care	 to  ensure  appropriate  spacing  across
	      string boundaries.  All items appended to the clip-
	      board with the same type must have the same format.

	      The  format argument is needed only for compatibil-
	      ity with clipboard requesters that  don't	 use  Tk.
	      If  the  Tk  toolkit  is being used to retrieve the
	      CLIPBOARD selection then	the  value  is	converted
	      back  to	a string at the requesting end, so format
	      is irrelevant.

	      A -- argument may be specified to mark the  end  of
	      options:	 the next argument will always be used as
	      data.  This feature may be convenient if, for exam-
	      ple, data starts with a -.


KEYWORDS
       clear, format, clipboard, append, selection, type

Tk			       4.0				2

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