194 lines
4.3 KiB
Plaintext
194 lines
4.3 KiB
Plaintext
.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 XtMake-Geometry-Request XtQuery-Geometry wid-get
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.na
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.de Ds
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.nf
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.\\$1D \\$2 \\$1
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.ft 1
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.ps \\n(PS
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.\".if \\n(VS>=40 .vs \\n(VSu
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.\".if \\n(VS<=39 .vs \\n(VSp
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.de De
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.fi
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..
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.de FD
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.LP
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.KS
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.TA .5i 3i
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.ne 7
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.ny0
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.TH XtOwnSelection 3Xt "Release 3" "X Version 11" "XT FUNCTIONS"
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.SH NAME
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XtOwnSelection, XtDisownSelection \- set selection owner
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.SH SYNTAX
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Boolean XtOwnSelection(\fIw\fP, \fIselection\fP, \fItime\fP, \
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\fIconvert_proc\fP, \fIlose_selection\fP, \fIdone_proc\fP)
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.br
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Widget \fIw\fP;
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.br
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Atom \fIselection\fP;
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.br
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Time \fItime\fP;
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.br
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XtConvertSelectionProc \fIconvert_proc\fP;
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.br
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XtLoseSelectionProc \fIlose_selection\fP;
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.br
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XtSelectionDoneProc \fIdone_proc\fP;
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.LP
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void XtDisownSelection(\fIw\fP, \fIselection\fP, \fItime\fP)
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.br
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Widget \fIw\fP;
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.br
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Atom \fIselection\fP;
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.br
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Time \fItime\fP;
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.SH ARGUMENTS
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.IP \fIconvert_proc\fP 1i
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Specifies the procedure that is to be called whenever someone requests the
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current value of the selection.
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.IP \fIdone_proc\fP 1i
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Specifies the procedure that is called
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after the requestor has received the selection or NULL if the owner is not
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interested in being called back.
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.IP \fIlose_selection\fP 1i
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Specifies the procedure that is to be called whenever the widget has
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lost selection ownership or NULL if the owner is not interested in being
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called back.
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.IP \fIselection\fP 1i
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Specifies an atom that describes the type of the selection (for example,
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.ZN XA_PRIMARY ,
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.ZN XA_SECONDARY ,
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or
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.ZN XA_CLIPBOARD ).
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.ds Ti ownership should commence or is to be relinquished
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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 wishes to become the owner or to relinquish ownership
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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 XtOwnSelection
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function informs the \*(xI selection mechanism that a
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widget believes it owns a selection.
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It returns
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.ZN True
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if the widget has successfully become the owner and
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.ZN False
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otherwise.
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The widget may fail to become the owner if some other widget
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has asserted ownership at a time later than this widget.
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Note that widgets can lose selection ownership either
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because someone else asserted later ownership of the selection
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or because the widget voluntarily gave up ownership of the selection.
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Also note that the lose_selection procedure is not called
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if the widget fails to obtain selection ownership in the first place.
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.LP
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The
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.ZN XtDisownSelection
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function informs the \*(xI selection mechanism that
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the specified widget is to lose ownership of the selection.
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If the widget does not currently own the selection either
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because it lost the selection
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or because it never had the selection to begin with,
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.ZN XtDisownSelection
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does nothing.
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.LP
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After a widget has called
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.ZN XtDisownSelection ,
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its convert procedure is not called even if a request arrives later
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with a timestamp during the period that this widget owned the selection.
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However, its done procedure will be called if a conversion that started
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before the call to
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.ZN XtDisownSelection
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finishes after the call to
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.ZN XtDisownSelection .
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.SH "SEE ALSO"
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XtAppGetSelectionTimeout(3Xt),
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XtGetSelectionValue(3Xt)
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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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