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-rw-r--r--libopie2/opieui/olistview.cpp153
-rw-r--r--libopie2/opieui/olistview.h71
2 files changed, 213 insertions, 11 deletions
diff --git a/libopie2/opieui/olistview.cpp b/libopie2/opieui/olistview.cpp
index 84617f8..0ee2fde 100644
--- a/libopie2/opieui/olistview.cpp
+++ b/libopie2/opieui/olistview.cpp
@@ -1,51 +1,51 @@
/*
                This file is part of the Opie Project
- =. (C) 2003 Michael 'Mickey' Lauer <mickey@Vanille.de>
+ =. (C) 2003-2004 Michael 'Mickey' Lauer <mickey@Vanille.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 <qpixmap.h>
/* OPIE */
#include <opie2/odebug.h>
#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;
connect( this, SIGNAL(expanded(QListViewItem*)), SLOT(expand(QListViewItem*)));
@@ -129,122 +129,146 @@ void OListView::expand(QListViewItem *item)
{
((OListViewItem*)item)->expand();
}
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...
odebug << "storing OListView..." << oendl;
// 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();
}
odebug << "OListview stored." << oendl;
}
void OListView::serializeFrom( QDataStream& s )
{
#warning Caution... the binary format is still under construction...
odebug << "loading OListView..." << oendl;
int cols;
s >> cols;
- qDebug( "read number of columns = %d", cols );
+ odebug << "read number of columns = " << cols << oendl;
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 );
+ odebug << "read number of items = " << items << oendl;
for ( int i = 0; i < items; ++i )
{
OListViewItem* item = childFactory();
s >> *item;
}
odebug << "OListView loaded." << oendl;
}
+
+void OListView::expand()
+{
+ odebug << "OListView::expand" << oendl;
+
+ QListViewItemIterator it( this );
+ while ( it.current() ) {
+ it.current()->setOpen( true );
+ ++it;
+ }
+}
+
+
+void OListView::collapse()
+{
+ odebug << "OListView::collapse" << oendl;
+ QListViewItemIterator it( this );
+ while ( it.current() ) {
+ it.current()->setOpen( false );
+ ++it;
+ }
+}
+
+
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)
{
@@ -400,96 +424,219 @@ void OListViewItem::serializeTo( QDataStream& s ) const
item = item->nextSibling();
}
odebug << "OListviewItem stored." << oendl;
}
void OListViewItem::serializeFrom( QDataStream& s )
{
#warning Caution... the binary format is still under construction...
odebug << "loading OListViewItem..." << oendl;
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);
}
odebug << "OListViewItem loaded." << oendl;
}
QDataStream& operator<<( QDataStream& s, const OListViewItem& lvi )
{
lvi.serializeTo( s );
}
QDataStream& operator>>( QDataStream& s, OListViewItem& lvi )
{
lvi.serializeFrom( s );
}
#endif // QT_NO_DATASTREAM
/*======================================================================================
+ * OCheckListItem
+ *======================================================================================*/
+
+OCheckListItem::OCheckListItem( QCheckListItem* parent, const QString& text, Type t )
+ :QCheckListItem( parent, text, t )
+{
+ init();
+}
+
+
+OCheckListItem::OCheckListItem( QListViewItem* parent, const QString& text, Type t)
+ :QCheckListItem( parent, text, t )
+{
+ init();
+}
+
+
+OCheckListItem::OCheckListItem( QListView* parent, const QString& text, Type t )
+ :QCheckListItem( parent, text, t )
+{
+ init();
+}
+
+
+OCheckListItem::OCheckListItem( QListViewItem* parent, const QString& text, const QPixmap& p )
+ :QCheckListItem( parent, text, p )
+{
+ init();
+}
+
+
+OCheckListItem::OCheckListItem( QListView* parent, const QString& text, const QPixmap& p )
+ :QCheckListItem( parent, text, p )
+{
+ init();
+}
+
+
+OCheckListItem::~OCheckListItem()
+{
+}
+
+void OCheckListItem::init()
+{
+ m_known = false;
+}
+
+
+const QColor &OCheckListItem::backgroundColor()
+{
+ return isAlternate() ? static_cast<OListView*>(listView())->alternateBackground() :
+ listView()->viewport()->colorGroup().base();
+}
+
+
+bool OCheckListItem::isAlternate()
+{
+ OListView *lv = static_cast<OListView*>( listView() );
+
+ // check if the item above is an OCheckListItem
+ OCheckListItem *above = static_cast<OCheckListItem*>( itemAbove() );
+ /*if (! itemAbove()->inherits( "OCheckListItem" )) 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
+ {
+ OCheckListItem *item;
+ bool previous = true;
+ if (parent())
+ {
+ item = static_cast<OCheckListItem *>(parent());
+ if ( item /*&& item->inherits( "OCheckListItem" )*/ ) previous = item->m_odd;
+ item = static_cast<OCheckListItem *>(parent()->firstChild());
+ /* if ( !item.inherits( "OCheckListItem" ) item = 0; */
+ }
+ else
+ {
+ item = static_cast<OCheckListItem *>(lv->firstChild());
+ }
+
+ while(item)
+ {
+ item->m_odd = previous = !previous;
+ item->m_known = true;
+ item = static_cast<OCheckListItem *>(item->nextSibling());
+ /* if (!item.inherits( "OCheckListItem" ) ) break; */
+ }
+ }
+ return m_odd;
+}
+
+
+void OCheckListItem::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() );
+ }
+ QCheckListItem::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() );
+}
+
+
+/*======================================================================================
* ONamedListView
*======================================================================================*/
ONamedListView::ONamedListView( QWidget *parent, const char *name )
:OListView( parent, name )
{
}
ONamedListView::~ONamedListView()
{
}
void ONamedListView::addColumns( const QStringList& columns )
{
for ( QStringList::ConstIterator it = columns.begin(); it != columns.end(); ++it )
{
qDebug( "adding column %s", (const char*) *it );
addColumn( *it );
}
}
int ONamedListView::findColumn( const QString& text ) const
{
//FIXME: If used excessively, this will slow down performance of updates
//FIXME: because of the linear search over all column texts.
//FIXME: I will optimize later by using a hash map.
for ( int i = 0; i < columns(); ++i )
if ( columnText( i ) == text )
return i;
return -1;
}
ONamedListViewItem* ONamedListView::find( int column, const QString& text, int recurse ) const
{
return find( (ONamedListViewItem*) firstChild(), column, text, recurse );
}
ONamedListViewItem* ONamedListView::find( ONamedListViewItem* item, int column, const QString& text, int recurse ) const
{
ONamedListViewItem* result;
while ( item && item->text( column ) != text )
{
qDebug( "checked %s", (const char*) item->text( column ) );
diff --git a/libopie2/opieui/olistview.h b/libopie2/opieui/olistview.h
index a00b43a..59b0973 100644
--- a/libopie2/opieui/olistview.h
+++ b/libopie2/opieui/olistview.h
@@ -1,203 +1,213 @@
/*
                This file is part of the Opie Project
-
- =. (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+ =. (C) 2003-2004 Michael 'Mickey' Lauer <mickey@vanille.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>
#include <qstringlist.h>
class OListViewItem;
/*======================================================================================
* OListView
*======================================================================================*/
/**
* @brief A list/tree widget.
*
* 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>
+ * @author Michael 'Mickey' Lauer <mickey@vanille.de>
*/
class OListView: public QListView
{
public:
/**
* Constructor.
*
* The parameters @a parent and @a 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);
/**
* Set the alternate background background @a color.
* Set to an invalid color to disable alternate colors.
* This only has an effect if the items are OListViewItems
*/
void setAlternateBackground( const QColor& color );
/**
* Sets the column separator @a pen.
*/
void setColumnSeparator( const QPen& pen );
/**
* @returns 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
* @returns the new object
*/
virtual OListViewItem* childFactory();
#ifndef QT_NO_DATASTREAM
/**
* Serialize this object to @ref QDataStream @a stream
*/
virtual void serializeTo( QDataStream& stream ) const;
/**
* Serialize this object from a @ref QDataStream @a stream
*/
virtual void serializeFrom( QDataStream& s );
#endif
-protected slots:
- /**
+ public slots:
+ /**
+ * Expand all items
+ */
+ void expand();
+ /**
+ * Collapse all items
+ */
+ void collapse();
+
+ protected slots:
+ /**
* expand the current OListViewItem
*/
- void expand(QListViewItem*);
+ void expand(QListViewItem*);
private:
QColor m_alternateBackground;
bool m_fullWidth;
QPen m_columnSeparator;
};
#ifndef QT_NO_DATASTREAM
/**
* @relates OListView
* Writes @a listview to the @a stream and returns a reference to the stream.
*/
QDataStream& operator<<( QDataStream& stream, const OListView& listview );
/**
* @relates OListView
* Reads @a listview from the @a stream and returns a reference to the stream.
*/
QDataStream& operator>>( QDataStream& stream, OListView& listview );
#endif // QT_NO_DATASTREAM
/*======================================================================================
* OListViewItem
*======================================================================================*/
class OListViewItem: public QListViewItem
{
+ friend class OCheckListItem;
public:
/**
* Constructors.
*/
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 );
/**
* Destructor.
*/
virtual ~OListViewItem();
/**
* @returns the background color of the list item.
*/
const QColor& backgroundColor();
/**
* @returns true, if the item is at an odd position and
* thus have to be painted with the alternate background color.
*/
bool isAlternate();
/**
* @note: Reimplemented for internal purposes - the API is not affected
*
@@ -205,150 +215,195 @@ class OListViewItem: public QListViewItem
void paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int alignment );
/**
* Perform object initialization.
*/
void init();
/**
* create a list view item as child of this object
* @returns 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
/**
* expand the the item
*/
virtual void expand(){};
private:
bool m_known;
bool m_odd;
};
#ifndef QT_NO_DATASTREAM
/**
* @relates QListViewItem
* Writes listview @a item and all subitems recursively to @a stream
* and returns a reference to the stream.
*/
QDataStream& operator<<( QDataStream& stream, const OListViewItem& item );
/**
* @relates QListViewItem
* Reads listview @a item from @a stream and returns a reference to the stream.
*/
QDataStream& operator>>( QDataStream& stream, OListViewItem& item );
#endif // QT_NO_DATASTREAM
+
+/*======================================================================================
+ * OCheckListItem
+ *======================================================================================*/
+
+class OCheckListItem : public QCheckListItem
+{
+ public:
+
+ OCheckListItem( QCheckListItem *parent, const QString &text,
+ Type = Controller );
+ OCheckListItem( QListViewItem *parent, const QString &text,
+ Type = Controller );
+ OCheckListItem( QListView *parent, const QString &text,
+ Type = Controller );
+ OCheckListItem( QListViewItem *parent, const QString &text,
+ const QPixmap & );
+ OCheckListItem( QListView *parent, const QString &text,
+ const QPixmap & );
+ ~OCheckListItem();
+ /**
+ * @returns the background color of the list item.
+ */
+ const QColor& backgroundColor();
+ /**
+ * @returns true, if the item is at an odd position and
+ * thus have to be painted with the alternate background color.
+ */
+ bool isAlternate();
+ /**
+ * @note: Reimplemented for internal purposes - the API is not affected
+ *
+ */
+ void paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int alignment );
+ /**
+ * Perform object initialization.
+ */
+ void init();
+
+ private:
+ bool m_known;
+ bool m_odd;
+};
+
+
/*======================================================================================
* ONamedListView
*======================================================================================*/
class ONamedListViewItem;
/**
* @brief An OListView variant with named columns.
*
* This class provides a higher-level interface to an OListView.
*
- * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+ * @author Michael 'Mickey' Lauer <mickey@vanille.de>
*/
class ONamedListView: public OListView
{
public:
/**
* Constructor.
*
* The parameters @a parent and @a name are handled by
* @ref OListView, as usual.
*/
ONamedListView( QWidget* parent = 0, const char* name = 0 );
/**
* Destructor.
*/
virtual ~ONamedListView();
/**
* Add a number of @a columns to the listview.
*/
virtual void addColumns( const QStringList& columns );
/**
* @returns the column index matching to @a text or -1 if not found.
*/
virtual int findColumn( const QString& text ) const;
/**
* @returns the first item which has a @a text in column @a column.
* Set @a recurse to indicate how much subchild levels to search, e.g.<ul>
* <li>set it to 0 to search only among direct childs,
* <li>set it to 1 to search direct childs and all 1st order subchilds
* <li>set it to -1 for maximum recursion.
* </ul>
* @sa ONamedListViewItem::find()
*/
virtual ONamedListViewItem* find( ONamedListViewItem* start, int column, const QString& text, int recurse = -1 ) const;
virtual ONamedListViewItem* find( int column, const QString& text, int recurse = -1 ) const;
virtual ONamedListViewItem* find( ONamedListViewItem* start, const QString& column, const QString& text, int recurse = -1 ) const;
virtual ONamedListViewItem* find( const QString& column, const QString& text, int recurse = -1 ) const;
};
/*======================================================================================
* ONamedListViewItem
*======================================================================================*/
/**
* @brief An OListView variant with named columns.
*
* This class provides a higher-level interface to an OListViewItem.
*
- * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+ * @author Michael 'Mickey' Lauer <mickey@vanille.de>
*/
class ONamedListViewItem: public OListViewItem
{
public:
/**
* Constructor. Accepts the same parameters as a @ref OListViewItem,
* plus a @ref QStringList which holds an arbitrary number of @a texts.
*/
ONamedListViewItem( QListView* parent, const QStringList& texts );
ONamedListViewItem( QListViewItem* parent, const QStringList& texts );
ONamedListViewItem( QListView* parent, QListViewItem* after, const QStringList& texts );
ONamedListViewItem( QListViewItem* parent, QListViewItem* after, const QStringList& texts );
/**
* Destructor.
*/
virtual ~ONamedListViewItem();
/**
* Sets the text in column @a column to @a text.
* This method differs from @ref QListViewItem::setText() in that it
* accepts a string as column indicator instead of an int.
*/
virtual void setText( const QString& column, const QString& text );
/**
* Sets a number of @a texts for this item.
*/
virtual void setText( const QStringList& texts );
/**
* @returns the first child which has a @a text in column @a column.
* Set @a recurse to indicate how much subchild levels to search, e.g.<ul>
* <li>set it to 0 to search only among direct childs,
* <li>set it to 1 to search direct childs and all 1st order subchilds
* <li>set it to -1 for maximum recursion.
* </ul>
* @sa ONamedListView::find()
*/
virtual ONamedListViewItem* find( int column, const QString& text, int recurse = -1 ) const;
virtual ONamedListViewItem* find( const QString& column, const QString& text, int recurse = -1 ) const;
};
#endif // OLISTVIEW_H