xcb_set_selection_owner man page
xcb_set_selection_owner — Sets the owner of a selection
xcb_void_cookie_t xcb_set_selection_owner(xcb_connection_t *conn, xcb_window_t owner, xcb_atom_t selection, xcb_timestamp_t time);
The XCB connection to X11.
The new owner of the selection.
The special value XCB_NONE means that the selection will have no owner.
Timestamp to avoid race conditions when running X over the network.
The selection will not be changed if time is earlier than the current last-change time of the selection or is later than the current X server time. Otherwise, the last-change time is set to the specified time.
The special value XCB_CURRENT_TIME will be replaced with the current server time.
Makes window the owner of the selection selection and updates the last-change time of the specified selection.
TODO: briefly explain what a selection is.
Returns an xcb_void_cookie_t. Errors (if any) have to be handled in the event loop.
If you want to handle errors directly with xcb_request_check instead, use xcb_set_selection_owner_checked. See xcb-requests(3) for details.
selection does not refer to a valid atom.
Generated from xproto.xml. Contact email@example.com for corrections and improvements.
xcb_set_selection_owner_checked(3) is an alias of xcb_set_selection_owner(3).