Marker Object Class

Defined Callbacks

The Marker object class does not define any new callbacks. However, the callback structure returned with callback XmNverifyCallback (see class Graphic) is redefined. The following ordered table lists the members of the callback structure XintMarkerVerifyCallbackStruct.

Data Type Member Description
int reason Indicates why the callback was invoked.
XEvent * event Points to the XEvent that triggered the callback.
Boolean doit Set to False to cancel the operation on the Marker object.
float new_depth Proposed depth.
float old_depth Current depth.

Data Type	Member	Description
int	reason	Indicates why the callback was invoked.
XEvent *	event	Points to the XEvent that triggered the callback.
Boolean	doit	Set to False to cancel the operation on the Marker object.
float	new_depth	Proposed depth.
float	old_depth	Current depth.

Defined Functions

The following functions are defined for creating and manipulating a Marker object.

XintCreateMarker

XintCreateMarker creates a Marker object.

     Object XintCreateMarker (...)

Data Type Arg Name Description
Widget parent Parent of new Marker object.
char * name Name of new Marker object.
ArgList arglist List of resource/value items.
Cardinal argcount Number of items in arglist.

Data Type	Arg Name	Description
Widget	parent	Parent of new Marker object.
char *	name	Name of new Marker object.
ArgList	arglist	List of resource/value items.
Cardinal	argcount	Number of items in arglist.

Macros

Macro XintIsMarker returns True if the specified object is a Marker object.

     Boolean XintIsMarker (Object object)