202 lines
5.9 KiB
Groff
202 lines
5.9 KiB
Groff
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.\" Copyright (c) 1993, 1994 X Consortium
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining a
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.\" copy of this software and associated documentation files (the "Software"),
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.\" to deal in the Software without restriction, including without limitation
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.\" the rights to use, copy, modify, merge, publish, distribute, sublicense,
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.\" and/or sell copies of the Software, and to permit persons to whom the
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.\" Software furnished to do so, subject to the following conditions:
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.\"
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.\" The above copyright notice and this permission notice shall be included in
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.\" all copies or substantial portions of the Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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.\" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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.\" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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.\" THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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.\" WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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.\" OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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.\" SOFTWARE.
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.\"
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.\" Except as contained in this notice, the name of the X Consortium shall not
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.\" be used in advertising or otherwise to promote the sale, use or other
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.\" dealing in this Software without prior written authorization from the
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.\" X Consortium.
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.\"
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.ds tk X Toolkit
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.ds xT X Toolkit Intrinsics \- C Language Interface
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.ds xI Intrinsics
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.ds xW X Toolkit Athena Widgets \- C Language Interface
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.ds xL Xlib \- C Language X Interface
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.ds xC Inter-Client Communication Conventions Manual
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.ds Rn 3
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.ds Vn 2.2
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.hw XtGet-Selection-Value-Incremental XtGet-Selection-Values-Incremental wid-get
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.ny0
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.TH XtGetSelectionValueIncremental __libmansuffix__ __xorgversion__ "XT FUNCTIONS"
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.SH NAME
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XtGetSelectionValueIncremental, XtGetSelectionValuesIncremental \- obtain selection values
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.SH SYNTAX
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.HP
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void XtGetSelectionValueIncremental(Widget \fIw\fP, Atom \fIselection\fP, Atom
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\fItarget\fP, XtSelectionCallbackProc \fIcallback\fP, XtPointer
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\fIclient_data\fP, Time \fItime\fP);
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.HP
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void XtGetSelectionValuesIncremental(Widget \fIw\fP, Atom \fIselection\fP,
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Atom *\fItargets\fP, int \fIcount\fP, XtSelectionCallbackProc \fIcallback\fP,
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XtPointer \fIclient_data\fP, Time \fItime\fP);
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.SH ARGUMENTS
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.ds Cb \ that is to be called when the selection value has been obtained
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.IP \fIcallback\fP 1i
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Specifies the callback procedure\*(Cb.
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.ds Cd it is called
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.IP \fIclient_data\fP 1i
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Specifies the argument that is to be passed to the specified procedure
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when \*(Cd.
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.IP \fIclient_data\fP 1i
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Specifies the client data (one for each target type)
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that is passed to the callback procedure when it is called for that target.
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.IP \fIcount\fP 1i
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Specifies the length of the targets and client_data lists.
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.IP \fIselection\fP 1i
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Specifies the particular selection desired (that is, primary or secondary).
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.IP \fItarget\fP 1i
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Specifies the type of the information that is needed about the selection.
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.IP \fItargets\fP 1i
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Specifies the types of information that is needed about the selection.
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.ds Ti value is desired
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.IP \fItime\fP 1i
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Specifies the timestamp that indicates when the selection \*(Ti.
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.ds Wi that is making the request
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.IP \fIw\fP 1i
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Specifies the widget \*(Wi.
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.SH DESCRIPTION
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The
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.ZN XtGetSelectionValueIncremental
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function is similar to
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.ZN XtGetSelectionValue
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except that the \fIselection_callback\fP procedure will be called
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repeatedly upon delivery of multiple segments of the selection value.
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The end of the selection value is indicated when \fIselection_callback\fP
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is called with a non-NULL value of length zero, which must still be
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freed by the client. If the transfer of the selection is aborted in the
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middle of a transfer (for example, because to timeout), the
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\fIselection_callback\fP procedure is called with a type value equal
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to the symbolic constant
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.ZN XT_CONVERT_FAIL
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so that the requestor can dispose of the partial selection value it has
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collected up until that point. Upon receiving
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.ZN XT_CONVERT_FAIL ,
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the requesting client must determine for itself whether or not a
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partially completed transfer is meaningful.
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.LP
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The
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.ZN XtGetSelectionValuesIncremental
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function is similar to
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.ZN XtGetSelectionValueIncremental
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except that it takes a list of target types and a list of client data
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and obtains the current value of the selection converted to each of the targets.
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The effect is as if each target were specified in a separate call to
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.ZN XtGetSelectionValueIncremental .
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The callback is called once with the corresponding client data for each target.
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.ZN XtGetSelectionValuesIncremental
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does guarantee that all the conversions will use the same selection value
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because the ownership of the selection cannot change in the middle of the list,
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as would be when calling
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.ZN XtGetSelectionValueIncremental
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repeatedly.
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.SH "SEE ALSO"
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.br
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\fI\*(xT\fP
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.br
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\fI\*(xL\fP
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