You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
245 lines
9.5 KiB
245 lines
9.5 KiB
/*******************************************************************************
|
|
**
|
|
** Filename : headeritem.h
|
|
** Created on : 28 November, 2004
|
|
** Copyright : (c) 2004 Till Adam
|
|
** Email : adam@kde.org
|
|
**
|
|
*******************************************************************************/
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** This program 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 2 of the License, or
|
|
** (at your option) any later version.
|
|
**
|
|
** In addition, as a special exception, the copyright holders give
|
|
** permission to link the code of this program with any edition of
|
|
** the TQt library by Trolltech AS, Norway (or with modified versions
|
|
** of TQt that use the same license as TQt), and distribute linked
|
|
** combinations including the two. You must obey the GNU General
|
|
** Public License in all respects for all of the code used other than
|
|
** TQt. If you modify this file, you may extend this exception to
|
|
** your version of the file, but you are not obligated to do so. If
|
|
** you do not wish to do so, delete this exception statement from
|
|
** your version.
|
|
**
|
|
*******************************************************************************/
|
|
#ifndef HEADERITEM_H
|
|
#define HEADERITEM_H
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <tdelistview.h> // include for the base class
|
|
|
|
class KMMsgBase;
|
|
class KPaintInfo;
|
|
class KMFolder;
|
|
class KMHeaders;
|
|
|
|
namespace KMail
|
|
{
|
|
class HeaderItem; // forward declaration
|
|
|
|
/**
|
|
* @short Represents an item in the set of mails to be displayed but only as far
|
|
* as sorting, threading and reading/writing of the current sort order to
|
|
* a disk cache is concerned.
|
|
*
|
|
* Each such item is paired with a KMail::HeaderItem, which holds the graphical
|
|
* representation of each item (mail). This is what the threading trees are
|
|
* built of.
|
|
*/
|
|
class SortCacheItem {
|
|
|
|
public:
|
|
SortCacheItem() : mItem(0), mParent(0), mId(-1), mSortOffset(-1),
|
|
mUnsortedCount(0), mUnsortedSize(0), mUnsortedChildren(0),
|
|
mImperfectlyThreaded (true), mSubjThreadingList(0) { }
|
|
SortCacheItem(int i, TQString k, int o=-1)
|
|
: mItem(0), mParent(0), mId(i), mSortOffset(o), mKey(k),
|
|
mUnsortedCount(0), mUnsortedSize(0), mUnsortedChildren(0),
|
|
mImperfectlyThreaded (true), mSubjThreadingList(0) { }
|
|
~SortCacheItem() { if(mUnsortedChildren) free(mUnsortedChildren); }
|
|
|
|
/** The parent node of the item in the threading hierarchy. 0 if the item
|
|
* is at top level, which is the default. Can only be set by parents. */
|
|
SortCacheItem *parent() const { return mParent; }
|
|
/**
|
|
* Returs whether the item is so far imperfectly threaded.
|
|
* If an item is imperfectly threaded (by References or subject, not by
|
|
* In-Reply-To) it will be reevalutated when a new mail comes in. It could be
|
|
* the perfect parent. */
|
|
bool isImperfectlyThreaded() const
|
|
{ return mImperfectlyThreaded; }
|
|
/** Set whether the item is currently imperfectly threaded (by References
|
|
* or Subject, not by In-Reply-To). */
|
|
void setImperfectlyThreaded (bool val)
|
|
{ mImperfectlyThreaded = val; }
|
|
/** Returns whether the item has other items below it. */
|
|
bool hasChildren() const
|
|
{ return mSortedChildren.count() || mUnsortedCount; }
|
|
/** The sorted children are an array of sortcache items we know are below the
|
|
* current one and are already properly sorted (as read from the cache ) */
|
|
const TQPtrList<SortCacheItem> *sortedChildren() const
|
|
{ return &mSortedChildren; }
|
|
/** The unsorted children are an array of sortcache items we know are below the
|
|
* current one, but are yet to be threaded and sorted properly. */
|
|
SortCacheItem **unsortedChildren(int &count) const
|
|
{ count = mUnsortedCount; return mUnsortedChildren; }
|
|
/** Add an item to this itme's list of already sorted children. */
|
|
void addSortedChild(SortCacheItem *i) {
|
|
i->mParent = this;
|
|
mSortedChildren.append(i);
|
|
}
|
|
/** Add an item to this itme's list of unsorted children. */
|
|
void addUnsortedChild(SortCacheItem *i) {
|
|
i->mParent = this;
|
|
if(!mUnsortedChildren)
|
|
mUnsortedChildren = (SortCacheItem **)malloc((mUnsortedSize = 25) * sizeof(SortCacheItem *));
|
|
else if(mUnsortedCount >= mUnsortedSize)
|
|
mUnsortedChildren = (SortCacheItem **)realloc(mUnsortedChildren,
|
|
(mUnsortedSize *= 2) * sizeof(SortCacheItem *));
|
|
mUnsortedChildren[mUnsortedCount++] = i;
|
|
}
|
|
|
|
/** Clear the sorted and unsorted children datastructures. */
|
|
void clearChildren() {
|
|
mSortedChildren.clear();
|
|
free( mUnsortedChildren );
|
|
mUnsortedChildren = 0;
|
|
mUnsortedCount = mUnsortedSize = 0;
|
|
}
|
|
|
|
/** The corresponding KMail::HeaderItem */
|
|
HeaderItem *item() const { return mItem; }
|
|
/** Set the corresponding KMail::HeaderItem */
|
|
void setItem(HeaderItem *i) { Q_ASSERT(!mItem); mItem = i; }
|
|
|
|
/** sort key as used by the listview */
|
|
const TQString &key() const { return mKey; }
|
|
/** Set the sort key used by the list view. */
|
|
void setKey(const TQString &key) { mKey = key; }
|
|
|
|
int id() const { return mId; }
|
|
void setId(int id) { mId = id; }
|
|
|
|
/** offset in the cache file stream */
|
|
int offset() const { return mSortOffset; }
|
|
void setOffset(int x) { mSortOffset = x; }
|
|
|
|
void updateSortFile( FILE *sortStream, KMFolder *folder,
|
|
bool waiting_for_parent = false,
|
|
bool update_discovered_count = false);
|
|
|
|
/** Set the list of mails with a certain subject that this item is on.
|
|
* Used to remove the item from that list on deletion. */
|
|
void setSubjectThreadingList( TQPtrList<SortCacheItem> *list ) { mSubjThreadingList = list; }
|
|
/** The list of mails with a certain subject that this item is on. */
|
|
TQPtrList<SortCacheItem>* subjectThreadingList() const { return mSubjThreadingList; }
|
|
|
|
private:
|
|
HeaderItem *mItem;
|
|
SortCacheItem *mParent;
|
|
int mId, mSortOffset;
|
|
TQString mKey;
|
|
|
|
TQPtrList<SortCacheItem> mSortedChildren;
|
|
int mUnsortedCount, mUnsortedSize;
|
|
SortCacheItem **mUnsortedChildren;
|
|
bool mImperfectlyThreaded;
|
|
// pointer to the list it might be on so it can be remove from it
|
|
// when the item goes away.
|
|
TQPtrList<SortCacheItem>* mSubjThreadingList;
|
|
};
|
|
|
|
|
|
/**
|
|
* Visual representation of a member of the set of displayables (mails in
|
|
* the current folder). Each item is paired with a KMail::SortCacheItem. See there as to
|
|
* how they are meant to cooperate. This should be about the visual aspects of
|
|
* displaying an entry only. */
|
|
class HeaderItem : public TDEListViewItem
|
|
{
|
|
public:
|
|
HeaderItem( TQListView* parent, int msgId, const TQString& key = TQString() );
|
|
HeaderItem( TQListViewItem* parent, int msgId, const TQString& key = TQString() );
|
|
~HeaderItem ();
|
|
|
|
/** Set the message id of this item, which is the offset/index in the folder
|
|
* currently displayed by the KMHeaders list view. */
|
|
void setMsgId( int aMsgId );
|
|
|
|
// Profiling note: About 30% of the time taken to initialize the
|
|
// listview is spent in this function. About 60% is spent in operator
|
|
// new and TQListViewItem::TQListViewItem.
|
|
void irefresh();
|
|
|
|
/** Return the msgId of the message associated with this item. */
|
|
int msgId() const;
|
|
|
|
TQString to() const;
|
|
TQString from() const;
|
|
|
|
// Return the serial number of the message associated with this item;
|
|
TQ_UINT32 msgSerNum() const;
|
|
|
|
/** Expands all children of the list view item. */
|
|
void setOpenRecursive( bool open );
|
|
|
|
/** Returns the text of the list view item. */
|
|
TQString text( int col) const;
|
|
|
|
void setup();
|
|
|
|
typedef TQValueList<TQPixmap> PixmapList;
|
|
|
|
TQPixmap pixmapMerge( PixmapList pixmaps ) const;
|
|
|
|
const TQPixmap *cryptoIcon(KMMsgBase *msgBase) const;
|
|
const TQPixmap *signatureIcon(KMMsgBase *msgBase) const;
|
|
const TQPixmap *statusIcon(KMMsgBase *msgBase) const;
|
|
|
|
const TQPixmap *pixmap(int col) const;
|
|
|
|
void paintCell( TQPainter * p, const TQColorGroup & cg,
|
|
int column, int width, int align );
|
|
|
|
static TQString generate_key( KMHeaders *headers, KMMsgBase *msg, const KPaintInfo *paintInfo, int sortOrder );
|
|
|
|
virtual TQString key( int column, bool /*ascending*/ ) const;
|
|
|
|
void setTempKey( TQString key );
|
|
|
|
int compare( TQListViewItem *i, int col, bool ascending ) const;
|
|
|
|
TQListViewItem* firstChildNonConst(); /* Non const! */
|
|
|
|
/** Returns whether the item is about to be removed from the list view as a
|
|
* result of some user action. Such items are not selectable and painted with
|
|
* a strike-through decoration. */
|
|
bool aboutToBeDeleted() const { return mAboutToBeDeleted; }
|
|
/** Set the item to be in about-to-be-deleted state, which means it
|
|
* cannot be selected and will be painted with a strike-through decoration. */
|
|
void setAboutToBeDeleted( bool val ) { mAboutToBeDeleted = val; }
|
|
|
|
/** Associate a KMail::SortCacheItem with this item. This is the structure used to
|
|
* represent the mail during sorting and threading calculation. */
|
|
void setSortCacheItem( SortCacheItem *item ) { mSortCacheItem = item; }
|
|
/** Returns the KMail::SortCacheItem associated with this display item. */
|
|
SortCacheItem* sortCacheItem() const { return mSortCacheItem; }
|
|
|
|
private:
|
|
int mMsgId;
|
|
TQ_UINT32 mSerNum;
|
|
TQString mKey;
|
|
bool mAboutToBeDeleted;
|
|
SortCacheItem *mSortCacheItem;
|
|
}; // End of class HeaderItem
|
|
|
|
} // End of namespace KMail
|
|
|
|
|
|
#endif // HEADERITEM_H
|