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qt3/examples/listviews/listviews.h

167 lines
3.6 KiB

/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#ifndef LISTVIEWS_H
#define LISTVIEWS_H
#include <qsplitter.h>
#include <qstring.h>
#include <qobject.h>
#include <qdatetime.h>
#include <qptrlist.h>
#include <qlistview.h>
class QListView;
class QLabel;
class QPainter;
class QColorGroup;
class QObjectList;
class QPopupMenu;
// -----------------------------------------------------------------
class MessageHeader
{
public:
MessageHeader( const QString &_sender, const QString &_subject, const QDateTime &_datetime )
: msender( _sender ), msubject( _subject ), mdatetime( _datetime )
{}
MessageHeader( const MessageHeader &mh );
MessageHeader &operator=( const MessageHeader &mh );
QString sender() { return msender; }
QString subject() { return msubject; }
QDateTime datetime() { return mdatetime; }
protected:
QString msender, msubject;
QDateTime mdatetime;
};
// -----------------------------------------------------------------
class Message
{
public:
enum State { Read = 0,
Unread};
Message( const MessageHeader &mh, const QString &_body )
: mheader( mh ), mbody( _body ), mstate( Unread )
{}
Message( const Message &m )
: mheader( m.mheader ), mbody( m.mbody ), mstate( m.mstate )
{}
MessageHeader header() { return mheader; }
QString body() { return mbody; }
void setState( const State &s ) { mstate = s; }
State state() { return mstate; }
protected:
MessageHeader mheader;
QString mbody;
State mstate;
};
// -----------------------------------------------------------------
class Folder : public QObject
{
Q_OBJECT
public:
Folder( Folder *parent, const QString &name );
~Folder()
{}
void addMessage( Message *m )
{ lstMessages.append( m ); }
QString folderName() { return fName; }
Message *firstMessage() { return lstMessages.first(); }
Message *nextMessage() { return lstMessages.next(); }
protected:
QString fName;
QPtrList<Message> lstMessages;
};
// -----------------------------------------------------------------
class FolderListItem : public QListViewItem
{
public:
FolderListItem( QListView *parent, Folder *f );
FolderListItem( FolderListItem *parent, Folder *f );
void insertSubFolders( const QObjectList *lst );
Folder *folder() { return myFolder; }
protected:
Folder *myFolder;
};
// -----------------------------------------------------------------
class MessageListItem : public QListViewItem
{
public:
MessageListItem( QListView *parent, Message *m );
virtual void paintCell( QPainter *p, const QColorGroup &cg,
int column, int width, int alignment );
Message *message() { return myMessage; }
protected:
Message *myMessage;
};
// -----------------------------------------------------------------
class ListViews : public QSplitter
{
Q_OBJECT
public:
ListViews( QWidget *parent = 0, const char *name = 0 );
~ListViews()
{}
protected:
void initFolders();
void initFolder( Folder *folder, unsigned int &count );
void setupFolders();
QListView *messages, *folders;
QLabel *message;
QPopupMenu* menu;
QPtrList<Folder> lstFolders;
protected slots:
void slotFolderChanged( QListViewItem* );
void slotMessageChanged();
void slotRMB( QListViewItem*, const QPoint &, int );
};
#endif