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Deutsche Edition 1
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IDCMP
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IDCMP.def
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1993-08-15
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55 lines
(**********************************************************************
:Program. IDCMP.def
:Contents. Intuition Direct Communication Message Port handler
:Author. Nicolas Benezan [bne]
:Address. Postwiesenstr. 2, D7000 Stuttgart 60
:Phone. 711/333679
:Copyright. Public Domain
:Language. Modula-2
:Translator. M2Amiga AMSoft
:ModHistory. V1.1b [bne] 24.10.88
**********************************************************************)
DEFINITION MODULE IDCMP;
FROM Intuition IMPORT IDCMPFlags,IDCMPFlagSet,WindowPtr;
FROM SYSTEM IMPORT ADDRESS;
FROM Exec IMPORT MsgPortPtr;
FROM InputEvent IMPORT QualifierSet;
PROCEDURE GetIntuiMessage(IDCMPort:MsgPortPtr;VAR Class:IDCMPFlags;
VAR Code:CARDINAL;VAR Qualifier:QualifierSet;
VAR ItemAdr:ADDRESS;VAR X,Y:INTEGER);
(*:Input. IDCMPort: Pointer a userPort of a Window
:Output. Class,Code,Qualifier: InuiMessage InputEvent parameters
:Output. ItemAdr: Address of the IntuiMessage related Item
:Output. X,Y: Mouse coordinates
:Semantic. Waits for a message at an IDCMPort then gets and
:Semantic. replies it *)
PROCEDURE PollMessage(IDCMPort:MsgPortPtr;VAR Class:IDCMPFlags;
VAR Code:CARDINAL;VAR Qualifier:QualifierSet;VAR ItemAdr:ADDRESS;
VAR X,Y:INTEGER):BOOLEAN;
(*:Input. IDCMPort: Pointer a userPort of a Window
:Output. Class,Code,Qualifier: InuiMessage InputEvent parameters
:Output. ItemAdr: Address of the IntuiMessage related Item
:Output. X,Y: Mouse coordinates
:Result. TRUE: Message recieved, outputs are valid
:Result. FALSE: Port was empty, outputs are zero/NIL
:Semantic. Gets and replies a message at an IDCMPort
:Semantic. Returns FALSE immediately if the Port is empty *)
PROCEDURE ActiveFlags(Window:WindowPtr):IDCMPFlagSet;
(*:Input. Window: Pointer to the Window containing the Port
:Input. which is to be examined
:Result. Set of the Port's active Flags
:Semantic. Returns a Set of the set Flags of an IDCMPort *)
PROCEDURE EmptyIDCMP(IDCMPort:MsgPortPtr);
(*:Input. IDCMPort: Pointer a userPort of a Window
:Semantic. Gets and replies all messages at the specified Port *)
END IDCMP.