Name

PRQPK − Prompts for input using the pick-class logical input device specified. 

Operating States: PHOP, WSOP, ∗, ∗
PHIGS standard function
 

Syntax

PRQPK (WKID, PKDNR, IPPD, STAT, PPD, PP)

Argument        Data Type      Access   Description
---------------------------------------------------------------------------
WKID            Integer        Read     Workstation identifier
PKDNR           Integer        Read     Pick device number
IPPD            Integer        Read     Depth of the pick path to return
STAT            Integer        Write    Status
PPD             Integer        Write    Depth of the actual pick path
PP(3, IPPD)     Array of       Write    Pick path (struct_id1, pick_id1,
                integers                element_number1,...struct_idIPPD,
                                        pick_idIPPD, element_numberIPPD
---------------------------------------------------------------------------

Constants

Defined Argument     Constant       Description
---------------------------------------------------------------------------
STAT                 PNONE          User performed a break action.
                     POK            User selected a primitive.
                     PNPICK         User triggered the device, but did
                                    not make a selection.
---------------------------------------------------------------------------

Description

PRQPK prompts for input using the pick-class logical input device specified by the device number and the workstation identifier.  If the input status is POK, this function returns the pick path. 

The pick path is a list Digital PHIGS uses to trace the traversal of the structure hierarchy and to identify uniquely the picked structure.  The individual components of the list contain the following integer values:

•Structure identifier

•Pick identifier of the element

•Offset (by element) into the structure

See Also

PGTPK
PINPK
PINPK3
PSMPK
PSPKFT
DSPHI
PSPKID
PSPKM