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#pragma once

/*
quIRC - simple terminal-based IRC client
Copyright (C) 2010-12 Edward Cree

See quirc.c for license information
buffer: multiple-buffer control & buffer rendering
*/

#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <ctype.h>
#include <math.h>
#include "ttyesc.h"
#include "colour.h"
#include "config.h"
#include "bits.h"
#include "input.h"
#include "irc.h"
#include "names.h"
#include "text.h"
#include "types.h"
#include "version.h"

#define LIVE(buf) (bufs[buf].live && bufs[bufs[buf].server].live) // Check liveness
#define STAMP_LEN 40

typedef struct _buf
{
btype type;
char *bname; // Buffer display name: "status" or serverloc(or NETWORK) or #channel or @nick (resp. types)
char *serverloc; // address of server roundrobin
char *realsname; // real server name (not the same as bname)
name *nlist; // only used for CHANNELs and PRIVATE: linked-list of nicks
name *us; // pointer to our entry in the nlist
name *ilist; // ignore-list
int handle; // used for SERVER: file descriptor
int server; // used by CHANNELs and PRIVATE to denote their 'parent' server. In SERVER||STATUS, points to self. Is an offset into 'bufs'
char *nick; // used for SERVER: user's nick on this server
char *topic; // used for CHANNELs
FILE *logf;
logtype logt;
int nlines; // number of lines allocated
int ptr; // pointer to current unproc line
int scroll; // unproc line of screen bottom (which is one physical line below the last displayed text)
int ascroll; // physical line within [scroll]
bool *ls; // array of whether line was sent or rxed
prio *lq; // array of priority levels for lines
mtype *lm; // array of message types for lines
char *lp; // array of prefix chars (0 for use default)
char **lt; // array of (unprocessed) text for lines
char **ltag; // array of (unprocessed, uncrushed) tag text for lines
time_t *ts; // array of timestamps for unproc lines
bool filled; // buffer has filled up and looped? (the buffers are circular in nature)
bool dirty; // processed lines are out of date? (TODO: make this indicate /which/ are out of date and only re-render those)
int *lpl; // count of processed lines for each line
colour *lpc; // array of colours for each line
char ***lpt; // array of processed lines for each line
bool alert; // tab has new messages?
int hi_alert; // high-level alert status: 0 = none; 1: on (if alert then flashing else single flash); 2: off (flashing)
int ping; // ping/idleness status (SERVER)
time_t last; // when was the last RX? (SERVER)
bool namreply; // tab is in the middle of reading a list of NAMES replies (RPL_NAMREPLY)?
bool live; // tab is connected? when checking in a CHANNEL, remember to AND it with the parent's live (use LIVE(buf), defined further up this file)
bool conninpr; // connection in progress? (SERVER only)
ibuffer input; // input history
cmap casemapping; // the SERVER's value is authoritative; the CHANNEL's value is ignored. STATUS's value is irrelevant. Set by ISUPPORT
unsigned int npfx;// the SERVER's value denotes the available list (set by ISUPPORT); the CHANNEL's value lists the modes set on that channel (letter only)
prefix *prefixes; // ^^
servlist * autoent; // if this was opened by autoconnect(), this is filled in to point to the server's servlist entry
bool conf; // Conference Mode (hides joins, parts, quits, and /nicks)
}
buffer;

int nbufs;
int cbuf;
buffer *bufs;

typedef struct
{
int nlines;
int ptr;
bool filled;
char **lt;
char **ltag;
mtype *lm;
time_t *ts;
bool loop;
int errs;
}
ring;

ring s_buf, d_buf;

int init_ring(ring *r);
int add_to_ring(ring *r, mtype lm, const char *lt, const char *ltag);
int atr_failsafe(ring *r, mtype lm, const char *lt, const char *ltag);
int free_ring(ring *r);
int initialise_buffers(int buflines);
int init_buffer(int buf, btype type, const char *bname, int nlines);
int free_buffer(int buf);
int add_to_buffer(int buf, mtype lm, prio lq, char lp, bool ls, const char *lt, const char *ltag);
int mark_buffer_dirty(int buf);
int redraw_buffer(void);
int render_buffer(int buf);
int render_line(int buf, int uline);
int e_buf_print(int buf, mtype lm, message pkt, const char *lead);
int transfer_ring(ring *r, prio lq);
int push_ring(ring *r, prio lq);
void in_update(iline inp);
void titlebar(void);
int findptab(int b, const char *src);
int makeptab(int b, const char *src);
void timestamp(char stamp[STAMP_LEN], time_t t);
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