Gets the current state of a pointer device relative to @window. As a slave
device’s coordinates are those of its master pointer, this
function may not be called on devices of type %GDK_DEVICE_TYPE_SLAVE,
unless there is an ongoing grab on them. See gdk_device_grab().
Gets the current state of a pointer device relative to @window. As a slave device’s coordinates are those of its master pointer, this function may not be called on devices of type %GDK_DEVICE_TYPE_SLAVE, unless there is an ongoing grab on them. See gdk_device_grab().