| -rw-r--r-- | libopie2/opieui/olistview.h | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/libopie2/opieui/olistview.h b/libopie2/opieui/olistview.h new file mode 100644 index 0000000..bafc67c --- a/dev/null +++ b/libopie2/opieui/olistview.h @@ -0,0 +1,235 @@ +/* + 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 |