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/*
This file is part of the Opie Project
=. (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
.=l.
.>+-=
_;:, .> :=|. This program is free software; you can
.> <`_, > . <= redistribute it and/or modify it under
:`=1 )Y*s>-.-- : the terms of the GNU Library General Public
.="- .-=="i, .._ License as published by the Free Software
- . .-<_> .<> Foundation; either version 2 of the License,
._= =} : or (at your option) any later version.
.%`+i> _;_.
.i_,=:_. -<s. 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
..}^=.= = ; Library General Public License for more
++= -. .` .: details.
: = ...= . :.=-
-. .:....=;==+<; You should have received a copy of the GNU
-_. . . )=. = Library General Public License along with
-- :-=` this library; see the file COPYING.LIB.
If not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef OLISTVIEW_H
#define OLISTVIEW_H
#include <qcolor.h>
#include <qlistview.h>
#include <qpen.h>
#include <qdatastream.h>
class OListViewItem;
/**
* A @ref QListView variant featuring visual and functional enhancements
* like an alternate background for odd rows, an autostretch mode
* for the width of the widget ( >= Qt 3 only ) and persistence capabilities.
*
* @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
* @short OListView list/tree widget.
*/
class OListView: public QListView
{
public:
/**
* Constructor.
*
* The parameters @p parent and @p name are handled by
* @ref QListView, as usual.
*/
OListView ( QWidget *parent = 0, const char *name = 0 );
/**
* Destructor.
*/
virtual ~OListView();
/**
* Let the last column fit exactly all the available width.
*/
void setFullWidth( bool fullWidth );
/**
* Returns whether the last column is set to fit the available width.
*/
bool fullWidth() const;
/**
* Reimplemented for full width support
*/
virtual int addColumn( const QString& label, int width = -1 );
/**
* Reimplemented for full width support
*/
virtual int addColumn( const QIconSet& iconset, const QString& label, int width = -1 );
/**
* Reimplemented for full width support
*/
virtual void removeColumn(int index);
/**
* sets the alternate background background color.
* This only has an effect if the items are OListViewItems
*
* @param c the color to use for every other item. Set to an invalid
* color to disable alternate colors.
*/
void setAlternateBackground( const QColor &c );
/**
* sets the column separator pen.
*
* @param p the pen used to draw the column separator.
*/
void setColumnSeparator( const QPen &p );
/**
* @return the alternate background color
*/
const QColor& alternateBackground() const;
/**
* @return the column separator pen
*/
const QPen& columnSeparator() const;
/**
* create a list view item as child of this object
* @return the new object
*/
virtual OListViewItem* childFactory();
#ifndef QT_NO_DATASTREAM
/**
* serialize this object to a @ref QDataStream
* @param s the stream used to serialize this object.
*/
virtual void serializeTo( QDataStream& s ) const;
/**
* serialize this object from a @ref QDataStream
* @param s the stream used to serialize this object.
*/
virtual void serializeFrom( QDataStream& s );
#endif
private:
QColor m_alternateBackground;
bool m_fullWidth;
QPen m_columnSeparator;
};
#ifndef QT_NO_DATASTREAM
/**
* \relates QListView
* Writes a listview to the stream and returns a reference to the stream.
*/
QDataStream& operator<<( QDataStream& s, const OListView& lv );
/**
* \relates QListView
* Reads a listview from the stream and returns a reference to the stream.
*/
QDataStream& operator>>( QDataStream& s, OListView& lv );
#endif // QT_NO_DATASTREAM
//****************************** OListViewItem ******************************************************************
class OListViewItem: public QListViewItem
{
public:
OListViewItem( QListView * parent );
OListViewItem( QListViewItem * parent );
OListViewItem( QListView * parent, QListViewItem * after );
OListViewItem( QListViewItem * parent, QListViewItem * after );
OListViewItem( QListView * parent,
QString, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null );
OListViewItem( QListViewItem * parent,
QString, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null );
OListViewItem( QListView * parent, QListViewItem * after,
QString, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null );
OListViewItem( QListViewItem * parent, QListViewItem * after,
QString, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null );
virtual ~OListViewItem();
const QColor& backgroundColor();
bool isAlternate();
void paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int alignment );
void init();
/**
* create a list view item as child of this object
* @return the new object
*/
virtual OListViewItem* childFactory();
#ifndef QT_NO_DATASTREAM
/**
* serialize this object to or from a @ref QDataStream
* @param s the stream used to serialize this object.
*/
virtual void serializeTo( QDataStream& s ) const;
/**
* serialize this object to or from a @ref QDataStream
* @param s the stream used to serialize this object.
*/
virtual void serializeFrom( QDataStream& s );
#endif
private:
bool m_known;
bool m_odd;
};
#ifndef QT_NO_DATASTREAM
/**
* \relates QListViewItem
* Writes a listview item and all subitems recursively to the stream
* and returns a reference to the stream.
*/
QDataStream& operator<<( QDataStream &s, const OListViewItem& lvi );
/**
* \relates QListViewItem
* Reads a listview item from the stream and returns a reference to the stream.
*/
QDataStream& operator>>( QDataStream &s, OListViewItem& lvi );
#endif // QT_NO_DATASTREAM
#endif // OLISTVIEW_H
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