int XSetSelectionOwner(Display *display, Atom selection,
Window owner, Time time);
Window XGetSelectionOwner(Display *display, Atom
int XConvertSelection(Display *display, Atom selection,
Atom target, Atom property, Window requestor, Time
Specifies the connection to the X server.
Specifies the owner of the specified selection atom.
You can pass a window or
Specifies the property name.
You also can pass
Specifies the requestor.
Specifies the selection atom.
Specifies the target atom.
Specifies the time.
You can pass either a timestamp or
function changes the owner and last-change time for the specified selection
and has no effect if the specified time is earlier than the current
last-change time of the specified selection
or is later than the current X server time.
Otherwise, the last-change time is set to the specified time,
replaced by the current server time.
If the owner window is specified as
then the owner of the selection becomes
(that is, no owner).
Otherwise, the owner of the selection becomes the client executing
If the new owner (whether a client or
the same as the current owner of the selection and the current
owner is not
the current owner is sent a
If the client that is the owner of a selection is later
terminated (that is, its connection is closed)
or if the owner window it has specified in the request is later
the owner of the selection automatically
but the last-change time is not affected.
The selection atom is uninterpreted by the X server.
returns the owner window, which is reported in
Selections are global to the X server.
returns the window ID associated with the window that currently owns the
If no selection was specified, the function returns the constant
there is no owner for the selection.
can generate a
requests that the specified selection be converted to the specified target
If the specified selection has an owner, the X server sends a
event to that owner.
If no owner for the specified
selection exists, the X server generates a
event to the
requestor with property
The arguments are passed on unchanged in either of the events.
There are two predefined selection atoms: PRIMARY and SECONDARY.
A value for an Atom argument does not name a defined Atom.
A value for a Window argument does not name a defined Window.