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<HTML><HEAD><TITLE>Xlib Programming Manual: SelectionRequest Events</TITLE></HEAD><BODY><H1 ALIGN=center>10.13.4 SelectionRequest Events</H1><!.IN "Events" "SelectionRequest"><!.IN "SelectionRequest" "" "@DEF@">The X server reports<B>SelectionRequest</B>events to the owner of a selection.The X server generates this event whenever a client requests a selection conversion by calling <B><A HREF="../../window-information/XConvertSelection.html">XConvertSelection()</A></B>for the owned selection.<A NAME="XSelectionRequestEvent"></A><P>The structure for this event type contains:<P><!.IN "XSelectionRequestEvent" "" "@DEF@"><PRE><CODE>typedef struct { int type; /* SelectionRequest */ unsigned long serial; /* # of last request processed by server */ Bool send_event; /* true if this came from a <B><A HREF="../../appendix/a.html#SendEvent">SendEvent</A></B> request */ Display *display; /* Display the event was read from */ Window owner; Window requestor; Atom selection; Atom target; Atom property; Time time;} XSelectionRequestEvent;</PRE></CODE><P>The <B>owner</B> member is set to the windowthat was specified by the current owner in its<B><A HREF="../../window-information/XSetSelectionOwner.html">XSetSelectionOwner()</A></B>call.The <B>requestor</B> member is set to the window requesting the selection.The <B>selection</B> member is set to the atom that names the selection.For example, PRIMARY is used to indicate the primary selection.The <B>target</B> member is set to the atom that indicates the typethe selection is desired in.The <B>property</B> member can be a property name or <B>None</B>.The <B>time</B> member is set to the timestamp or <B>CurrentTime</B>value from the<B>ConvertSelection</B>request.<P>The owner should convert the selection based on the specified target typeand send a<B><A HREF="selection.html">SelectionNotify</A></B>event back to the requestor.A complete specification for using selections is given in the X Consortiumstandard <A HREF="/gui/x/icccm/"><I>Inter-Client Communication Conventions Manual</I></A>.<H5 ALIGN=right><I>Next: <A HREF="selection.html">SelectionNotify Events</A></I></H5><HR><ADDRESS><A HREF="http://tronche.com/">Christophe Tronche</A>, <A HREF="mailto:ch.tronche@computer.org">ch.tronche@computer.org</A></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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