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GuruMeditation
Docs » Include » libraries » commodities.h / .i
#ifndef LIBRARIES_COMMODITIES_H
#define LIBRARIES_COMMODITIES_H
/*
**	$VER: commodities.h 38.4 (24.2.1993)
**	Includes Release 45.1
**
**	Commodities definitions
**
**	(C) Copyright 1990-2001 Amiga, Inc.
**	All Rights Reserved
*/

/*****************************************************************************/


#ifndef EXEC_TYPES_H
#include <exec/types.h>
#endif

#ifndef EXEC_PORTS_H
#include <exec/ports.h>
#endif


/*****************************************************************************/


/* object creation macros */
#define CxFilter(d)	    CreateCxObj((LONG) CX_FILTER,     (LONG) d,     0)
#define CxSender(port,id)   CreateCxObj((LONG) CX_SEND,       (LONG) port,  (LONG) id)
#define CxSignal(task,sig)  CreateCxObj((LONG) CX_SIGNAL,     (LONG) task,  (LONG) sig)
#define CxTranslate(ie)     CreateCxObj((LONG) CX_TRANSLATE,  (LONG) ie,    0)
#define CxDebug(id)	    CreateCxObj((LONG) CX_DEBUG,      (LONG) id,    0)
#define CxCustom(action,id) CreateCxObj((LONG) CX_CUSTOM,     (LONG)action, (LONG)id)


/*****************************************************************************/


struct NewBroker
{
    BYTE	    nb_Version;   /* Must be set to NB_VERSION */
    STRPTR	    nb_Name;
    STRPTR	    nb_Title;
    STRPTR	    nb_Descr;
    WORD	    nb_Unique;
    WORD	    nb_Flags;
    BYTE	    nb_Pri;
    struct MsgPort *nb_Port;
    WORD	    nb_ReservedChannel;
};

/* constant for NewBroker.nb_Version */
#define NB_VERSION 5	    /* Version of NewBroker structure */

/* Sizes for various buffers */
#define CBD_NAMELEN  24
#define CBD_TITLELEN 40
#define CBD_DESCRLEN 40

/* Flags for NewBroker.nb_Unique */
#define NBU_DUPLICATE 0
#define NBU_UNIQUE    1        /* will not allow duplicates	      */
#define NBU_NOTIFY    2        /* sends CXM_UNIQUE to existing broker */

/* Flags for NewBroker.nb_Flags */
#define COF_SHOW_HIDE 4


/*****************************************************************************/


/* Fake data types for system private objects */
#ifndef COMMODITIES_BASE_H
typedef LONG CxObj;
typedef LONG CxMsg;
#endif

/* Pointer to a function returning a LONG */
typedef LONG (*PFL)();


/*****************************************************************************/


/* Commodities object types */
#define CX_INVALID	0     /* not a valid object (probably null) */
#define CX_FILTER	1     /* input event messages only	    */
#define CX_TYPEFILTER	2     /* obsolete, do not use		    */
#define CX_SEND	3     /* sends a message		    */
#define CX_SIGNAL	4     /* sends a signal		    */
#define CX_TRANSLATE	5     /* translates input event into chain  */
#define CX_BROKER	6     /* application representative	    */
#define CX_DEBUG	7     /* dumps info to serial port	    */
#define CX_CUSTOM	8     /* application provides function	    */
#define CX_ZERO	9     /* system terminator node	    */


/*****************************************************************************/


/* Commodities message types */
#define CXM_IEVENT  (1 << 5)
#define CXM_COMMAND (1 << 6)

/* Only CXM_IEVENT messages are passed through the input network. Other types
 * of messages are sent to an optional port in your broker. This means that
 * you must test the message type in your message handling, if input messages
 * and command messages come to the same port.
 *
 * CXM_IEVENT: Messages of this type rattle around the Commodities input
 *	       network. They are sent to you by a Sender object, and passed
 *	       to you as a synchronous function call by a Custom object.
 *
 *	       The message port or function entry point is stored in the
 *	       object, and the ID field of the message will be set to what
 *	       you arrange issuing object.
 *
 *	       The data section of the message will point to the input event
 *	       triggering the message.
 *
 * CXM_COMMAND: These messages are sent to a port attached to your Broker.
 *		They are sent to you when the controller program wants your
 *		program to do something. The ID value identifies the command.
 */

/* ID values associated with a message of type CXM_COMMAND */
#define CXCMD_DISABLE	(15)  /* please disable yourself	 */
#define CXCMD_ENABLE	(17)  /* please enable yourself	 */
#define CXCMD_APPEAR	(19)  /* open your window, if you can	 */
#define CXCMD_DISAPPEAR (21)  /* go dormant			 */
#define CXCMD_KILL	(23)  /* go away for good		 */
#define CXCMD_LIST_CHG	(27)  /* Someone changed the broker list */
#define CXCMD_UNIQUE	(25)  /* someone tried to create a broker
			       * with your name. Suggest you appear.
			       */


/*****************************************************************************/


struct InputXpression
{
    UBYTE ix_Version;	  /* must be set to IX_VERSION */
    UBYTE ix_Class;	  /* class must match exactly  */

    UWORD ix_Code;	  /* Bits that we want */
    UWORD ix_CodeMask;	  /* Set bits here to indicate which bits in ix_Code
			   * are don't care bits.
			   */
    UWORD ix_Qualifier;   /* Bits that we want */
    UWORD ix_QualMask;	  /* Set bits here to indicate which bits in
			   * ix_Qualifier are don't care bits
			   */
    UWORD ix_QualSame;	  /* synonyms in qualifier */
};
typedef struct InputXpression IX;

/* constant for InputXpression.ix_Version */
#define IX_VERSION 2

/* constants for InputXpression.ix_QualSame */
#define IXSYM_SHIFT 1	/* left- and right- shift are equivalent     */
#define IXSYM_CAPS  2	/* either shift or caps lock are equivalent  */
#define IXSYM_ALT   4	/* left- and right- alt are equivalent	     */

#define IXSYM_SHIFTMASK (IEQUALIFIER_LSHIFT | IEQUALIFIER_RSHIFT)
#define IXSYM_CAPSMASK	(IXSYM_SHIFTMASK | IEQUALIFIER_CAPSLOCK)
#define IXSYM_ALTMASK	(IEQUALIFIER_LALT | IEQUALIFIER_RALT)

/* constant for InputXpression.ix_QualMask */
#define IX_NORMALQUALS	0x7FFF	 /* avoid RELATIVEMOUSE */

/* matches nothing */
#define NULL_IX(ix)   ((ix)->ix_Class == IECLASS_NULL)


/*****************************************************************************/


/* Error returns from CxBroker() */
#define CBERR_OK      0  /* No error				   */
#define CBERR_SYSERR  1  /* System error, no memory, etc	   */
#define CBERR_DUP     2  /* uniqueness violation		   */
#define CBERR_VERSION 3  /* didn't understand NewBroker.nb_Version */


/*****************************************************************************/


/* Return values from CxObjError() */
#define COERR_ISNULL	 1   /* you called CxObjError(NULL)	   */
#define COERR_NULLATTACH 2   /* someone attached NULL to my list   */
#define COERR_BADFILTER  4   /* a bad filter description was given */
#define COERR_BADTYPE	 8   /* unmatched type-specific operation  */


/*****************************************************************************/


#endif /* LIBRARIES_COMMODITIES_H */

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