skeleton and the start of libopie2, please read README, ROADMAP and STATUS and comment...

1 files changed, 423 insertions, 0 deletions

diff --git a/libopie2/opieui/olistview.cpp b/libopie2/opieui/olistview.cpp
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+++ b/libopie2/opieui/olistview.cpp
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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.
+
+*/
+
+/* QT */
+
+#include <qcolor.h>
+#include <qheader.h>
+#include <qpainter.h>
+#include <qpixmap.h>
+
+/* OPIE */
+
+#include <opie2/olistview.h>
+
+/*======================================================================================
+ * OListView
+ *======================================================================================*/
+
+OListView::OListView( QWidget *parent, const char *name )
+          :QListView( parent, name )
+{
+    //FIXME: get from global settings and calculate ==> see oglobalsettings.*
+
+    m_alternateBackground = QColor( 238, 246, 255 );
+    m_columnSeparator = QPen( QColor( 150, 160, 170 ), 0, DotLine );
+    m_fullWidth = true;
+}
+
+OListView::~OListView()
+{
+}
+
+void OListView::setFullWidth( bool fullWidth )
+{
+    m_fullWidth = m_fullWidth;
+    #if QT_VERSION > 290
+    header()->setStretchEnabled( fullWidth, columns()-1 );
+    #endif
+}
+
+bool OListView::fullWidth() const
+{
+    return m_fullWidth;
+}
+
+int OListView::addColumn( const QString& label, int width )
+{
+    int result = QListView::addColumn( label, width );
+    #if QT_VERSION > 290
+    if (m_fullWidth) {
+        header()->setStretchEnabled( false, columns()-2 );
+        header()->setStretchEnabled( true, columns()-1  );
+    }
+    #endif
+    return result;
+}
+
+int OListView::addColumn( const QIconSet& iconset, const QString& label, int width )
+{
+    int result = QListView::addColumn( iconset, label, width );
+    #if QT_VERSION > 290
+    if (m_fullWidth) {
+        header()->setStretchEnabled( false, columns()-2 );
+        header()->setStretchEnabled( true, columns()-1 );
+    }
+    #endif
+    return result;
+}
+
+void OListView::removeColumn( int index )
+{
+    QListView::removeColumn(index);
+    #if QT_VERSION > 290
+    if ( m_fullWidth && index == columns() )
+    {
+        header()->setStretchEnabled( true, columns()-1 );
+    }
+    #endif
+}
+
+const QColor& OListView::alternateBackground() const
+{
+    return m_alternateBackground;
+}
+
+void OListView::setAlternateBackground( const QColor &c )
+{
+    m_alternateBackground = c;
+    repaint();
+}
+
+const QPen& OListView::columnSeparator() const
+{
+    return m_columnSeparator;
+}
+
+void OListView::setColumnSeparator( const QPen& p )
+{
+    m_columnSeparator = p;
+    repaint();
+}
+
+OListViewItem* OListView::childFactory()
+{
+    return new OListViewItem( this );
+}
+
+#ifndef QT_NO_DATASTREAM
+void OListView::serializeTo( QDataStream& s ) const
+{
+    #warning Caution... the binary format is still under construction...
+    qDebug( "storing OListView..." );
+
+    // store number of columns and the labels
+    s << columns();
+    for ( int i = 0; i < columns(); ++i )
+        s << columnText( i );
+
+    // calculate the number of top-level items to serialize
+    int items = 0;
+    QListViewItem* item = firstChild();
+    while ( item )
+    {
+        item = item->nextSibling();
+        items++;
+    }
+
+    // store number of items and the items itself
+    s << items;
+    item = firstChild();
+    for ( int i = 0; i < items; ++i )
+    {
+        s << *static_cast<OListViewItem*>( item );
+        item = item->nextSibling();
+    }
+
+    qDebug( "OListview stored." );
+}
+
+void OListView::serializeFrom( QDataStream& s )
+{
+    #warning Caution... the binary format is still under construction...
+    qDebug( "loading OListView..." );
+
+    int cols;
+    s >> cols;
+    qDebug( "read number of columns = %d", cols );
+
+    while ( columns() < cols ) addColumn( QString::null );
+
+    for ( int i = 0; i < cols; ++i )
+    {
+        QString coltext;
+        s >> coltext;
+        qDebug( "read text '%s' for column %d", (const char*) coltext, i );
+        setColumnText( i, coltext );
+    }
+
+    int items;
+    s >> items;
+    qDebug( "read number of items = %d", items );
+
+    for ( int i = 0; i < items; ++i )
+    {
+        OListViewItem* item = childFactory();
+        s >> *item;
+    }
+
+    qDebug( "OListView loaded." );
+
+}
+
+QDataStream& operator<<( QDataStream& s, const OListView& lv )
+{
+    lv.serializeTo( s );
+}
+
+QDataStream& operator>>( QDataStream& s, OListView& lv )
+{
+    lv.serializeFrom( s );
+}
+#endif // QT_NO_DATASTREAM
+
+/*======================================================================================
+ * OListViewItem
+ *======================================================================================*/
+
+OListViewItem::OListViewItem(QListView *parent)
+  : QListViewItem(parent)
+{
+    init();
+}
+
+OListViewItem::OListViewItem(QListViewItem *parent)
+  : QListViewItem(parent)
+{
+    init();
+}
+
+OListViewItem::OListViewItem(QListView *parent, QListViewItem *after)
+  : QListViewItem(parent, after)
+{
+    init();
+}
+
+OListViewItem::OListViewItem(QListViewItem *parent, QListViewItem *after)
+  : QListViewItem(parent, after)
+{
+    init();
+}
+
+OListViewItem::OListViewItem(QListView *parent,
+    QString label1, QString label2, QString label3, QString label4,
+    QString label5, QString label6, QString label7, QString label8)
+  : QListViewItem(parent, label1, label2, label3, label4, label5, label6, label7, label8)
+{
+    init();
+}
+
+OListViewItem::OListViewItem(QListViewItem *parent,
+    QString label1, QString label2, QString label3, QString label4,
+    QString label5, QString label6, QString label7, QString label8)
+  : QListViewItem(parent, label1, label2, label3, label4, label5, label6, label7, label8)
+{
+    init();
+}
+
+OListViewItem::OListViewItem(QListView *parent, QListViewItem *after,
+    QString label1, QString label2, QString label3, QString label4,
+    QString label5, QString label6, QString label7, QString label8)
+  : QListViewItem(parent, after, label1, label2, label3, label4, label5, label6, label7, label8)
+{
+    init();
+}
+
+OListViewItem::OListViewItem(QListViewItem *parent, QListViewItem *after,
+    QString label1, QString label2, QString label3, QString label4,
+    QString label5, QString label6, QString label7, QString label8)
+  : QListViewItem(parent, after, label1, label2, label3, label4, label5, label6, label7, label8)
+{
+    init();
+}
+
+OListViewItem::~OListViewItem()
+{
+}
+
+void OListViewItem::init()
+{
+    m_known = false;
+}
+
+const QColor &OListViewItem::backgroundColor()
+{
+    return isAlternate() ? static_cast<OListView*>(listView())->alternateBackground() :
+                           listView()->viewport()->colorGroup().base();
+}
+
+bool OListViewItem::isAlternate()
+{
+    OListView *lv = static_cast<OListView*>( listView() );
+
+    // check if the item above is an OListViewItem
+    OListViewItem *above = static_cast<OListViewItem*>( itemAbove() );
+    /*if (! itemAbove()->inherits( "OListViewItem" )) return false;*/
+
+    // check if we have a valid alternate background color
+    if (!(lv && lv->alternateBackground().isValid())) return false;
+
+    m_known = above ? above->m_known : true;
+    if (m_known)
+    {
+       m_odd = above ? !above->m_odd : false;
+    }
+    else
+    {
+        OListViewItem *item;
+        bool previous = true;
+        if (parent())
+        {
+            item = static_cast<OListViewItem *>(parent());
+            if ( item /*&& item->inherits( "OListViewItem" )*/ ) previous = item->m_odd;
+            item = static_cast<OListViewItem *>(parent()->firstChild());
+            /* if ( !item.inherits( "OListViewItem" ) item = 0; */
+        }
+        else
+        {
+            item = static_cast<OListViewItem *>(lv->firstChild());
+        }
+
+        while(item)
+        {
+            item->m_odd = previous = !previous;
+            item->m_known = true;
+            item = static_cast<OListViewItem *>(item->nextSibling());
+            /* if (!item.inherits( "OListViewItem" ) ) break; */
+        }
+    }
+    return m_odd;
+}
+
+void OListViewItem::paintCell(QPainter *p, const QColorGroup &cg, int column, int width, int alignment)
+{
+    QColorGroup _cg = cg;
+    const QPixmap *pm = listView()->viewport()->backgroundPixmap();
+    if (pm && !pm->isNull())
+    {
+        _cg.setBrush( QColorGroup::Base, QBrush(backgroundColor(), *pm) );
+        p->setBrushOrigin( -listView()->contentsX(), -listView()->contentsY() );
+    }
+    else if ( isAlternate() )
+    {
+        _cg.setColor( QColorGroup::Base, static_cast<OListView*>( listView() )->alternateBackground() );
+    }
+    QListViewItem::paintCell( p, _cg, column, width, alignment );
+
+    //FIXME: Use styling here!
+
+    const QPen& pen = static_cast<OListView*>( listView() )->columnSeparator();
+    p->setPen( pen );
+    p->drawLine( width-1, 0, width-1, height() );
+}
+
+OListViewItem* OListViewItem::childFactory()
+{
+    return new OListViewItem( this );
+}
+
+#ifndef QT_NO_DATASTREAM
+void OListViewItem::serializeTo( QDataStream& s ) const
+{
+    #warning Caution... the binary format is still under construction...
+    qDebug( "storing OListViewItem..." );
+
+    // store item text
+    for ( int i = 0; i < listView()->columns(); ++i )
+    {
+        s << text( i );
+    }
+
+    // calculate the number of children to serialize
+    int items = 0;
+    QListViewItem* item = firstChild();
+    while ( item )
+    {
+        item = item->nextSibling();
+        items++;
+    }
+
+    // store number of items and the items itself
+    s << items;
+    item = firstChild();
+    for ( int i = 0; i < items; ++i )
+    {
+        s << *static_cast<OListViewItem*>( item );
+        item = item->nextSibling();
+    }
+
+    qDebug( "OListviewItem stored." );
+}
+void OListViewItem::serializeFrom( QDataStream& s )
+{
+    #warning Caution... the binary format is still under construction...
+    qDebug( "loading OListViewItem..." );
+
+    for ( int i = 0; i < listView()->columns(); ++i )
+    {
+        QString coltext;
+        s >> coltext;
+        qDebug( "read text '%s' for column %d", (const char*) coltext, i );
+        setText( i, coltext );
+    }
+
+    int items;
+    s >> items;
+    qDebug( "read number of items = %d", items );
+
+    for ( int i = 0; i < items; ++i )
+    {
+        OListViewItem* item = childFactory();
+        s >> (*item);
+    }
+
+    qDebug( "OListViewItem loaded." );
+}
+
+QDataStream& operator<<( QDataStream& s, const OListViewItem& lvi )
+{
+    lvi.serializeTo( s );
+}
+
+QDataStream& operator>>( QDataStream& s, OListViewItem& lvi )
+{
+    lvi.serializeFrom( s );
+}
+#endif // QT_NO_DATASTREAM