XtSetSelectionParameters(3)
NAME
XtSetSelectionParameters - specify target parameters for a selection
request with a single target
SYNTAX
- void XtSetSelectionParameters(Widget requestor, Atom selection, Atom
- type, XtPointer value, unsigned long length, int format);
ARGUMENTS
- requestor Specifies the widget making the request. Must be of class
- Core or any subclass thereof.
- selection Specifies the atom that names the selection.
- type Specifies the type of the property in which the parameters
- will be passed.
- value Specifies a pointer to the parameters.
- length Specifies the number of elements containing data in value,
- each element of a sized indicated by format.
- format Specifies the size in bits of the data in the elements of
- value.
DESCRIPTION
The specified parameters will be copied and stored in a new property of the specified type and format on the requestor's window. To initiate a selection request with a target and these parameters, a subsequent call to XtGetSelectionValue or to XtGetSelectionValueIncremental specifying the same requestor widget and selection atom will generate a ConvertSelection request referring referring to the property containing the parameters. If XtSetSelectionParameters is called more than once with the same widget and selection without a call to specify a request, the most recently specified parameters are used in the subsequent request.
The possible values of format may be 8, 16, or 32. If the format is 8,
the elements of value are assumed to be sizeof(char); if 16,
sizeof(short); if 32, sizeof(long).
To generate a MULTIPLE target request with parameters for any of the
multiple targets of the selection request, precede individual calls to
XtGetSelectionValue and XtGetSelectionValueIncremental with corresponding individual calls to XtSetSelectionParameters, and enclose these all
within XtCreateSelectionRequest and XtSendSelectionRequest. XtGetSelectionValues and XtGetSelectionValuesIncremental cannot be used to
make selection requests with parameterized targets.
SEE ALSO
- XtGetSelectionParameters(3Xt)
X Toolkit Intrinsics - C Language Interface Xlib - C Language X Interface