DMXGetInputAttributesUNIX Programmer's MDMXGetInputAttributes(3X)
DMXGetInputAttributes - determine input device attributes
#include <X11/extensions/dmxext.h>
Bool DMXGetInputAttributes(Display *dpy,
int id,
DMXInputAttributes *attr);
DMXGetInputAttributes() returns information about the input
device specified with id. This information cannot be
obtained from the XListInputDeivices(3X) call. id is the
same as that used by the XListInputDevices(3X) call, and
must be in the range 0 to one less than the value returned
by DMXGetInputCount(3X), inclusive.
The DMXInputAttributes structure is:
typedef struct {
DMXInputEnum inputType;
int physicalScreen;
int physicalId;
Bool isCore;
Bool sendsCore;
const char *name;
Bool detached;
} DMXInputAttributes;
The value of inputType will always be valid, and will have
one of the following values, depending on the type of input:
DMXLocalInputType , DMXConsoleInputType , or DMXBackendIn-
putType .
For local devices, all other fields returned, except isCore
and sendsCore , are invalid.
For console devices, physicalScreen and physicalID will be
invalid, and name will return the name of the X server on
which the console window is displayed.
For back-end devices, physicalScreen will identify the
back-end display and can be used as an argument to
DMXGetScreenAttributes(3X) to obtain more information; phy-
sicalId will be the XInput device id on the back-end X
server; and name will be invalid (since it does not provide
any additional information that cannot be obtained with
DMXGetScreenAttributes(3X)).
If isCore is True, then this device is active as a true core
input device and will send core events. If sendsCore is
XFree86 Version 4.5.0 1
DMXGetInputAttributesUNIX Programmer's MDMXGetInputAttributes(3X)
True, then this device is an XInput extension device, but
sends core events instead of extension events. This
behavior is different from that of XFree86 or Xorg, where
XInput extension devices may send both extension events and
core events.
If detached is True, then this device has been detached and
is no longer producing input events. The device may be
reattached using DMXAddInput(3X).
DMXGetInputAttributes() returns True unless there is a pro-
tocol error.
DMXGetInputAttributes() can generate BadValue (if the value
of id is out of range).
DMXGetInputCount(3X), XListInputDevices(3X),
DMXGetScreenAttributes(3X), DMXAddInput(3X), DMX(3X),
Xdmx(1)
XFree86 Version 4.5.0 2
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