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commodities.h
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C/C++ Source or Header
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1993-10-15
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7KB
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202 lines
#ifndef LIBRARIES_COMMODITIES_H
#define LIBRARIES_COMMODITIES_H
/*
** $VER: commodities.h 38.4 (24.2.93)
** Includes Release 40.15
**
** Commodities definitions
**
** (C) Copyright 1990-1993 Commodore-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 */