82 lines
3.4 KiB
Plaintext
82 lines
3.4 KiB
Plaintext
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'\"
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'\" Copyright (c) 1994 The Regents of the University of California.
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'\" Copyright (c) 1994-1996 Sun Microsystems, Inc.
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'\"
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'\" See the file "license.terms" for information on usage and redistribution
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'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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'\"
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'\" SCCS: @(#) clipboard.n 1.9 96/03/26 18:21:12
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'\"
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.so man.macros
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.TH clipboard n 4.0 Tk "Tk Built-In Commands"
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.BS
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'\" Note: do not modify the .SH NAME line immediately below!
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.SH NAME
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clipboard \- Manipulate Tk clipboard
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.SH SYNOPSIS
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\fBclipboard \fIoption\fR ?\fIarg arg ...\fR?
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.BE
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.SH DESCRIPTION
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.PP
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This command provides a Tcl interface to the Tk clipboard,
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which stores data for later retrieval using the selection mechanism.
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In order to copy data into the clipboard, \fBclipboard clear\fR must
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be called, followed by a sequence of one or more calls to \fBclipboard
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append\fR. To ensure that the clipboard is updated atomically, all
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appends should be completed before returning to the event loop.
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.PP
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The first argument to \fBclipboard\fR determines the format of the
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rest of the arguments and the behavior of the command. The following
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forms are currently supported:
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.PP
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.TP
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\fBclipboard clear\fR ?\fB\-displayof\fR \fIwindow\fR?
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Claims ownership of the clipboard on \fIwindow\fR's display and removes
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any previous contents. \fIWindow\fR defaults to ``.''. Returns an
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empty string.
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.TP
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\fBclipboard append\fR ?\fB\-displayof\fR \fIwindow\fR? ?\fB\-format\fR \fIformat\fR? ?\fB\-type\fR \fItype\fR? ?\fB\-\|\-\fR? \fIdata\fR
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Appends \fIdata\fR to the clipboard on \fIwindow\fR's
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display in the form given by \fItype\fR with the representation given
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by \fIformat\fR and claims ownership of the clipboard on \fIwindow\fR's
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display.
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.RS
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.PP
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\fIType\fR specifies the form in which the selection is to be returned
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(the desired ``target'' for conversion, in ICCCM terminology), and
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should be an atom name such as STRING or FILE_NAME; see the
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Inter-Client Communication Conventions Manual for complete details.
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\fIType\fR defaults to STRING.
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.PP
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The \fIformat\fR argument specifies the representation that should be
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used to transmit the selection to the requester (the second column of
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Table 2 of the ICCCM), and defaults to STRING. If \fIformat\fR is
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STRING, the selection is transmitted as 8-bit ASCII characters. If
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\fIformat\fR is ATOM, then the \fIdata\fR is
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divided into fields separated by white space; each field is converted
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to its atom value, and the 32-bit atom value is transmitted instead of
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the atom name. For any other \fIformat\fR, \fIdata\fR is divided
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into fields separated by white space and each
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field is converted to a 32-bit integer; an array of integers is
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transmitted to the selection requester. Note that strings passed to
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\fBclipboard append\fR are concatenated before conversion, so the
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caller must take care to ensure appropriate spacing across string
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boundaries. All items appended to the clipboard with the same
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\fItype\fR must have the same \fIformat\fR.
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.PP
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The \fIformat\fR argument is needed only for compatibility with
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clipboard requesters that don't use Tk. If the Tk toolkit is being
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used to retrieve the CLIPBOARD selection then the value is converted back to
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a string at the requesting end, so \fIformat\fR is
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irrelevant.
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.PP
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A \fB\-\|\-\fR argument may be specified to mark the end of options: the
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next argument will always be used as \fIdata\fR.
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This feature may be convenient if, for example, \fIdata\fR starts
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with a \fB\-\fR.
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.RE
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.SH KEYWORDS
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clear, format, clipboard, append, selection, type
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