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/*-
* Copyright (c) 1993, 1994
* The Regents of the University of California. All rights reserved.
* Copyright (c) 1993, 1994, 1995, 1996
* Keith Bostic. All rights reserved.
*
* See the LICENSE file for redistribution information.
*
* @(#)msg.h 10.10 (Berkeley) 5/10/96
*/
/*
* Common messages (continuation or confirmation).
*/
typedef enum {
CMSG_CONF, CMSG_CONT, CMSG_CONT_EX,
CMSG_CONT_R, CMSG_CONT_S, CMSG_CONT_Q } cmsg_t;
/*
* Message types.
*
* !!!
* In historical vi, O_VERBOSE didn't exist, and O_TERSE made the error
* messages shorter. In this implementation, O_TERSE has no effect and
* O_VERBOSE results in informational displays about common errors, for
* naive users.
*
* M_NONE Display to the user, no reformatting, no nothing.
*
* M_BERR Error: M_ERR if O_VERBOSE, else bell.
* M_ERR Error: Display in inverse video.
* M_INFO Info: Display in normal video.
* M_SYSERR Error: M_ERR, using strerror(3) message.
* M_VINFO Info: M_INFO if O_VERBOSE, else ignore.
*
* The underlying message display routines only need to know about M_NONE,
* M_ERR and M_INFO -- all the other message types are converted into one
* of them by the message routines.
*/
typedef enum {
M_NONE = 1, M_BERR, M_ERR, M_INFO, M_SYSERR, M_VINFO } mtype_t;
/*
* There are major problems with error messages being generated by routines
* preparing the screen to display error messages. It's possible for the
* editor to generate messages before we have a screen in which to display
* them, or during the transition between ex (and vi startup) and a true vi.
* There's a queue in the global area to hold them.
*
* If SC_EX/SC_VI is set, that's the mode that the editor is in. If the flag
* S_SCREEN_READY is set, that means that the screen is prepared to display
* messages.
*/
typedef struct _msgh MSGH; /* MSGS list head structure. */
LIST_HEAD(_msgh, _msg);
struct _msg {
LIST_ENTRY(_msg) q; /* Linked list of messages. */
mtype_t mtype; /* Message type: M_NONE, M_ERR, M_INFO. */
char *buf; /* Message buffer. */
size_t len; /* Message length. */
};
/* Flags to msgq_status(). */
#define MSTAT_SHOWLAST 0x01 /* Show the line number of the last line. */
#define MSTAT_TRUNCATE 0x02 /* Truncate the file name if it's too long. */
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