MirOS Manual: XConvertSelection(3), XGetSelectionOwner(3), XSetSelectionOwner(3)


XSetSelectionOwner(3X11) XLIB FUNCTIONS  XSetSelectionOwner(3X11)

NAME

     XSetSelectionOwner, XGetSelectionOwner, XConvertSelection -
     manipulate window selection

SYNTAX

     int XSetSelectionOwner(Display *display, Atom selection,
          Window owner, Time time);

     Window XGetSelectionOwner(Display *display, Atom selection);

     int XConvertSelection(Display *display, Atom selection, Atom
          target, Atom property, Window requestor, Time time);

ARGUMENTS

     display   Specifies the connection to the X server.

     owner     Specifies the owner of the specified selection
               atom. You can pass a window or None.

     property  Specifies the property name. You also can pass
               None.

     requestor Specifies the requestor.

     selection Specifies the selection atom.

     target    Specifies the target atom.

     time      Specifies the time. You can pass either a times-
               tamp or CurrentTime.

DESCRIPTION

     The XSetSelectionOwner 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, with CurrentTime replaced by the current
     server time. If the owner window is specified as None, then
     the owner of the selection becomes None (that is, no owner).
     Otherwise, the owner of the selection becomes the client
     executing the request.

     If the new owner (whether a client or None) is not the same
     as the current owner of the selection and the current owner
     is not None, the current owner is sent a SelectionClear
     event. 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
     destroyed, the owner of the selection automatically reverts
     to None, but the last-change time is not affected. The
     selection atom is uninterpreted by the X server.

XFree86                   Version 4.5.0                         1

XSetSelectionOwner(3X11) XLIB FUNCTIONS  XSetSelectionOwner(3X11)

     XGetSelectionOwner returns the owner window, which is
     reported in SelectionRequest and SelectionClear events.
     Selections are global to the X server.

     XSetSelectionOwner can generate BadAtom and BadWindow
     errors.

     The XGetSelectionOwner function returns the window ID asso-
     ciated with the window that currently owns the specified
     selection. If no selection was specified, the function
     returns the constant None. If None is returned, there is no
     owner for the selection.

     XGetSelectionOwner can generate a BadAtom error.

     XConvertSelection requests that the specified selection be
     converted to the specified target type:

     +    If the specified selection has an owner, the X server
          sends a SelectionRequest event to that owner.

     +    If no owner for the specified selection exists, the X
          server generates a SelectionNotify event to the reques-
          tor with property None.

     The arguments are passed on unchanged in either of the
     events. There are two predefined selection atoms: PRIMARY
     and SECONDARY.

     XConvertSelection can generate BadAtom and BadWindow errors.

DIAGNOSTICS

     BadAtom   A value for an Atom argument does not name a
               defined Atom.

     BadWindow A value for a Window argument does not name a
               defined Window.

SEE ALSO

     Xlib - C Language X Interface

XFree86                   Version 4.5.0                         2

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