gdk-window-device-events (window device)

window -- a gdk-window object
device -- a gdk-device object
event-mask -- event mask of type gdk-event-mask for window

The function gdk-window-device-events returns the event mask for the window corresponding to an specific device. The function (setf gdk-window-device-events) sets the event mask for a given device.

Normally a floating device, not attached to any visible pointer to the window. For example, an event mask including :button-press-mask means the window should report button press events. The event mask is the bitwise OR of values from the gdk-event-mask flags.