ext "XFIXES" request XfixesQueryVersion = 0 ( client_major_version: u32, client_minor_version: u32, ) { @pad 1, major_version: u32, minor_version: u32, @pad 16, } event XfixesSelectionNotify = 0 { subtype: u8, window: u32, owner: u32, selection: u32, timestamp: u32, selection_timestamp: u32, @pad 8, } request SelectSelectionInput = 2 ( window: u32, selection: u32, event_mask: u32, );