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XSelectInput(3X11) MIT X11R4 XSelectInput(3X11) Name XSelectInput - select input events Syntax XSelectInput(display, w, event_mask) Display *display; Window w; long event_mask; Arguments display Specifies the connection to the X server. event_mask Specifies the event mask. w Specifies the window whose events you are interested in. Description The function requests that the X server report the events associated with the specified event mask. Initially, X will not report any of these events. Events are reported relative to a window. If a window is not interested in a device event, it usually propagates to the closest ancestor that is interested, unless the do_not_propagate mask prohibits it. Setting the event-mask attribute of a window overrides any previous call for the same window but not for other clients. Multiple clients can select for the same events on the same window with the following restrictions: o Multiple clients can select events on the same window because their event masks are disjoint. When the X server generates an event, it reports it to all interested clients. o Only one client at a time can select or events, which are associated with the event mask o Only one client at a time can select a event, which is associated with the event mask o Only one client at a time can select a event, which is associated with the event mask The server reports the event to all interested clients. can generate a error. Diagnostics A value for a Window argument does not name a defined Window. See Also X Window System: The Complete Reference, Second Edition, Robert W. Scheifler and James Gettys XSelectInput(3X11)
