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- query or change the dont-propagate-list for extension devices
window, count, event_list, mode)
XEventClass *XGetDeviceDontPropagateList(display, window, count)
request modifies the list of events that should not be propagated to ancestors
of the event window. This request allows extension events to be added to
or deleted from that list. By default, all events are propagated to ancestor
windows. Once modified, the list remains modified for the life of the window.
Events are not removed from the list because the client that added them
- Specifies the connection to the X server.
the window whose dont-propagate-list is to be queried or modified.
- Specifies a pointer to a list of event classes.
- Specifies the mode.
You can pass AddToList , or DeleteFromList.
- Specifies the number
of event classes in the list.
Suppression of event propagation is not allowed for all
input extension events. If a specified event class is one that cannot be
suppressed, a BadClass error will result. Events that can be suppressed
include DeviceKeyPress, DeviceKeyRelease, DeviceButtonPress, DeviceButtonRelease,
DeviceMotionNotify, ProximityIn, and ProximityOut.
can generate a BadDevice, BadClass, or BadValue error.
request queries the list of events that should not be propagated to ancestors
of the event window.
XGetDeviceDontPropagateList can generate a BadClass
or BadWindow error.
- An invalid device was specified.
The specified device does not exist or has not been opened by this client
via XOpenInputDevice. This error may also occur if some other client has
caused the specified device to become the X keyboard or X pointer device
via the XChangeKeyboardDevice or XChangePointerDevice requests.
- Some numeric value falls outside the range of values accepted by the request.
Unless a specific range is specified for an argument, the full range defined
by the argument's type is accepted. Any argument defined as a set of alternatives
can generate this error.
- An invalid window id was specified.
- An invalid event class was specified.
Programming With Xlib
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