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/* Copyright (c) 2013
* Mike Gerwitz (mtg@gnu.org)
*
* This file is part of GNU screen.
*
* GNU screen is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING); if not, see
* <http://www.gnu.org/licenses>.
*
****************************************************************
*/
#ifndef SCREEN_WINMSGBUF_H
#define SCREEN_WINMSGBUF_H
#include <stddef.h>
#include <stdint.h>
#include "screen.h"
/* Default window message buffer size */
#define WINMSGBUF_SIZE MAXSTR
#define MAX_WINMSG_REND 256 /* rendition changes */
/* TODO: complete truncation and rendition API */
/* Represents a working buffer for window messages */
typedef struct {
char *buf;
size_t size;
uint64_t rend[MAX_WINMSG_REND];
int rendpos[MAX_WINMSG_REND];
int numrend;
} WinMsgBuf;
typedef struct {
WinMsgBuf *buf;
char *p; /* pointer within buffer */
/* truncation mark */
struct {
/* starting position of truncation; TODO: make this size_t and remove
* -1 as inactive indicator */
int pos;
/* target offset percentage relative to pos and trunc operator */
uint8_t perc;
/* whether to show ellipses */
bool ellip;
} trunc;
} WinMsgBufContext;
WinMsgBuf *wmb_create();
void wmb_reset(WinMsgBuf *);
size_t wmb_expand(WinMsgBuf *, size_t);
void wmb_rendadd(WinMsgBuf *, uint64_t, int);
size_t wmb_size(const WinMsgBuf *);
const char *wmb_contents(const WinMsgBuf *);
void wmb_reset(WinMsgBuf *);
void wmb_free(WinMsgBuf *);
WinMsgBufContext *wmbc_create(WinMsgBuf *);
void wmbc_rewind(WinMsgBufContext *);
void wmbc_fastfw0(WinMsgBufContext *);
void wmbc_fastfw_end(WinMsgBufContext *);
void wmbc_putchar(WinMsgBufContext *, char);
const char *wmbc_strncpy(WinMsgBufContext *, const char *, size_t);
const char *wmbc_strcpy(WinMsgBufContext *, const char *);
int wmbc_printf(WinMsgBufContext *, const char *, ...)
__attribute__((format(printf,2,3)));
size_t wmbc_offset(WinMsgBufContext *);
size_t wmbc_bytesleft(WinMsgBufContext *);
const char *wmbc_mergewmb(WinMsgBufContext *, WinMsgBuf *);
const char *wmbc_finish(WinMsgBufContext *);
void wmbc_free(WinMsgBufContext *);
#endif
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