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/*
* $Id: flag.h 1142 2008-08-13 17:22:21Z hubert@u.washington.edu $
*
* ========================================================================
* Copyright 2006-2007 University of Washington
* Copyright 2013-2014 Eduardo Chappa
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* ========================================================================
*/
#ifndef PITH_FLAG_INCLUDED
#define PITH_FLAG_INCLUDED
#include "../pith/msgno.h"
/*
* Useful def's to specify interesting flags
*/
#define F_NONE 0x00000000
#define F_SEEN 0x00000001
#define F_UNSEEN 0x00000002
#define F_DEL 0x00000004
#define F_UNDEL 0x00000008
#define F_FLAG 0x00000010
#define F_UNFLAG 0x00000020
#define F_ANS 0x00000040
#define F_UNANS 0x00000080
#define F_FWD 0x00000100
#define F_UNFWD 0x00000200
#define F_RECENT 0x00000400
#define F_UNRECENT 0x00000800
#define F_DRAFT 0x00001000
#define F_UNDRAFT 0x00002000
#define F_SRCHBACK 0x00004000 /* search backwards instead of forw */
#define F_NOFILT 0x00008000 /* defer processing filters */
#define F_OR_SEEN 0x00010000
#define F_OR_UNSEEN 0x00020000
#define F_OR_DEL 0x00040000
#define F_OR_UNDEL 0x00080000
#define F_OR_FLAG 0x00100000
#define F_OR_UNFLAG 0x00200000
#define F_OR_ANS 0x00400000
#define F_OR_UNANS 0x00800000
#define F_OR_FWD 0x01000000
#define F_OR_UNFWD 0x02000000
#define F_OR_RECENT 0x04000000
#define F_OR_UNRECENT 0x08000000
#define F_KEYWORD 0x10000000
#define F_UNKEYWORD 0x20000000
#define F_COMMENT 0x40000000
/*
* Useful flag checking macro
*/
#define FLAG_MATCH(F,M,S) (((((F)&F_SEEN) ? (M)->seen \
: ((F)&F_UNSEEN) ? !(M)->seen : 1) \
&& (((F)&F_DEL) ? (M)->deleted \
: ((F)&F_UNDEL) ? !(M)->deleted : 1) \
&& (((F)&F_ANS) ? (M)->answered \
: ((F)&F_UNANS) ? !(M)->answered : 1) \
&& (((F)&F_FWD) ? ((S) && user_flag_is_set((S),(M)->msgno,FORWARDED_FLAG)) \
: ((F)&F_UNFWD) ? ((S) && !user_flag_is_set((S),(M)->msgno,FORWARDED_FLAG)) : 1) \
&& (((F)&F_FLAG) ? (M)->flagged \
: ((F)&F_UNFLAG) ? !(M)->flagged : 1) \
&& (((F)&F_RECENT) ? (M)->recent \
: ((F)&F_UNRECENT) ? !(M)->recent : 1)) \
|| ((((F)&F_OR_SEEN) ? (M)->seen \
: ((F)&F_OR_UNSEEN) ? !(M)->seen : 0) \
|| (((F)&F_OR_DEL) ? (M)->deleted \
: ((F)&F_OR_UNDEL) ? !(M)->deleted : 0) \
|| (((F)&F_OR_ANS) ? (M)->answered \
: ((F)&F_OR_UNANS) ? !(M)->answered : 0) \
|| (((F)&F_OR_FWD) ? ((S) && user_flag_is_set((S),(M)->msgno,FORWARDED_FLAG)) \
: ((F)&F_OR_UNFWD) ? !((S) && user_flag_is_set((S),(M)->msgno,FORWARDED_FLAG)) : 0) \
|| (((F)&F_OR_FLAG)? (M)->flagged \
: ((F)&F_OR_UNFLAG) ? !(M)->flagged : 0) \
|| (((F)&F_OR_RECENT)? (M)->recent \
: ((F)&F_OR_UNRECENT) ? !(M)->recent : 0)))
/*
* These are def's to help manage local, private flags pine uses
* to maintain it's mapping table (see MSGNO_S def). The local flags
* are actually stored in spare bits in c-client's per-message
* MESSAGECACHE struct. But they're private, you ask. Since the flags
* are tied to the actual message (independent of the mapping), storing
* them in the c-client means we don't have to worry about them during
* sorting and such. See {set,get}_lflags for more on local flags.
*
* MN_HIDE hides messages which are not visible due to Zooming.
* MN_EXLD hides messages which have been filtered away.
* MN_SLCT marks messages which have been Selected.
* MN_SRCH marks messages that are the result of a search
* MN_COLL marks a point in the thread tree where the view has been
* collapsed, hiding the messages below that point
* MN_CHID hides messages which are collapsed out of view
* MN_CHID2 is similar to CHID and is introduced for performance reasons.
* When using the separate-thread-index the toplevel messages are
* MN_COLL and everything else is MN_CHID. However, if we view a
* single thread from there, instead of marking all of those top
* level threads MN_HIDE (or something) we change the semantics
* of the flags. When viewing a single thread we mark the messages
* of the thread with MN_CHID2 for performance reasons.
*/
#define MN_NONE 0x0000 /* No Pine specific flags */
#define MN_HIDE 0x0001 /* Pine specific hidden */
#define MN_EXLD 0x0002 /* Pine specific excluded */
#define MN_SLCT 0x0004 /* Pine specific selected */
#define MN_COLL 0x0008 /* Pine specific collapsed */
#define MN_CHID 0x0010 /* A parent somewhere above us is collapsed */
#define MN_CHID2 0x0020 /* performance related */
#define MN_USOR 0x0040 /* New message which hasn't been sorted yet */
#define MN_STMP 0x0080 /* Temporary storage for a per-message bit */
#define MN_SRCH 0x0100 /* Search result */
/* next_sorted_flagged options */
#define NSF_TRUST_FLAGS 0x01 /* input flag, don't need to ping */
#define NSF_SKIP_CHID 0x02 /* input flag, skip MN_CHID messages */
#define NSF_SEARCH_BACK 0x04 /* input flag, search backward if none forw */
#define NSF_FLAG_MATCH 0x08 /* return flag, actually got a match */
/* first_sorted_flagged options */
#define FSF_LAST 0x01 /* last instead of first */
#define FSF_SKIP_CHID 0x02 /* skip MN_CHID messages */
typedef long MsgNo;
/* exported protoypes */
long count_flagged(MAILSTREAM *, long);
MsgNo first_sorted_flagged(unsigned long, MAILSTREAM *, long, int);
MsgNo next_sorted_flagged(unsigned long, MAILSTREAM *, long, int *);
int get_lflag(MAILSTREAM *, MSGNO_S *, long, int);
int set_lflag(MAILSTREAM *, MSGNO_S *, long, int, int);
void copy_lflags(MAILSTREAM *, MSGNO_S *, int, int);
void set_lflags(MAILSTREAM *, MSGNO_S *, int, int);
long any_lflagged(MSGNO_S *, int);
#endif /* PITH_FLAG_INCLUDED */
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