/***************************************************************
**** IPC_Prefs.h: Datatypes used to communicate with Jano   ****
**** Free software under GNU license, started on 11/11/2000 ****
**** Written by T.Pierron                                   ****
***************************************************************/

#ifndef	IPC_PREFS_H
#define	IPC_PREFS_H

#define	JANOPREFS_PORT		"JANOPREF"
#define	JANO_PORT			"JANO"

/** Packet used to communicate between process **/
struct JPacket
{
	struct Message Msg;        /* Exec's message */
	ULONG  class;              /* Class of message (see below) */
#	ifdef	UTILITY_H
	union {
		PREFS        prefs;    /* Preference data */
		StartUpArgs *args;     /* List of file to edit */
	}	msg;
#	else
	PREFS           prefs;     /* args in needed only in Events.c */
#	endif
};

/** Possible values of class field (Jano & pref) **/
#define	CMD_SHOW       (CMD_NONSTD+1)   /* CMD_NONSTD defined in exec/io.h */
#define	CMD_KILL       (CMD_NONSTD+2)
#define	CMD_PREF       (CMD_NONSTD+3)   /* Copy local prefs into message */
#define	CMD_NEWPREF    (CMD_NONSTD+4)   /* Copy message prefs into local */
#define	CMD_SAVPREF    (CMD_NONSTD+5)   /* Copy and save message prefs into local */

/** JanoEditor only **/
#define	CMD_NEWEDIT    (CMD_NONSTD+6)

ULONG create_port( void );				/* Create control port */
void  handle_port( void );				/* Process commands */
char  find_prefs( void );				/* Search for preference port */
char  send_jano(PREFS *, ULONG);		/* Send new pref struct to Jano */
char  find_jano(PREFS *);				/* Try to find Jano and ask for its preference */
void  close_port( void );

#endif