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authormickeyl <mickeyl>2003-05-01 14:00:37 (UTC)
committer mickeyl <mickeyl>2003-05-01 14:00:37 (UTC)
commit95e533a6ac257d3b95cd8905660008fb7dcd33f1 (patch) (side-by-side diff)
treec671954f59eaa70db2285f9abe49fd8b4512dd12 /libopie2/opieui
parent1d721ddb247e9000e29fba3150e0cce5f59f543e (diff)
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- restructure opieui example directory
- start work on ONamedListViewItem providing a slightly higher level interface
Diffstat (limited to 'libopie2/opieui') (more/less context) (show whitespace changes)
-rw-r--r--libopie2/opieui/olistview.cpp109
-rw-r--r--libopie2/opieui/olistview.h173
2 files changed, 233 insertions, 49 deletions
diff --git a/libopie2/opieui/olistview.cpp b/libopie2/opieui/olistview.cpp
index 2b2f09a..8f97cc6 100644
--- a/libopie2/opieui/olistview.cpp
+++ b/libopie2/opieui/olistview.cpp
@@ -218,24 +218,28 @@ OListViewItem::OListViewItem(QListView *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)
@@ -244,6 +248,7 @@ OListViewItem::OListViewItem(QListView *parent,
init();
}
+
OListViewItem::OListViewItem(QListViewItem *parent,
QString label1, QString label2, QString label3, QString label4,
QString label5, QString label6, QString label7, QString label8)
@@ -252,6 +257,7 @@ OListViewItem::OListViewItem(QListViewItem *parent,
init();
}
+
OListViewItem::OListViewItem(QListView *parent, QListViewItem *after,
QString label1, QString label2, QString label3, QString label4,
QString label5, QString label6, QString label7, QString label8)
@@ -260,6 +266,7 @@ OListViewItem::OListViewItem(QListView *parent, QListViewItem *after,
init();
}
+
OListViewItem::OListViewItem(QListViewItem *parent, QListViewItem *after,
QString label1, QString label2, QString label3, QString label4,
QString label5, QString label6, QString label7, QString label8)
@@ -268,21 +275,25 @@ OListViewItem::OListViewItem(QListViewItem *parent, QListViewItem *after,
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() );
@@ -326,6 +337,7 @@ bool OListViewItem::isAlternate()
return m_odd;
}
+
void OListViewItem::paintCell(QPainter *p, const QColorGroup &cg, int column, int width, int alignment)
{
QColorGroup _cg = cg;
@@ -348,11 +360,13 @@ void OListViewItem::paintCell(QPainter *p, const QColorGroup &cg, int column, in
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
{
@@ -385,6 +399,8 @@ void OListViewItem::serializeTo( QDataStream& s ) const
qDebug( "OListviewItem stored." );
}
+
+
void OListViewItem::serializeFrom( QDataStream& s )
{
#warning Caution... the binary format is still under construction...
@@ -411,13 +427,106 @@ void OListViewItem::serializeFrom( QDataStream& s )
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
+
+
+/*======================================================================================
+ * 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 );
+ }
+}
+
+
+/*======================================================================================
+ * ONamedListViewItem
+ *======================================================================================*/
+
+ONamedListViewItem::ONamedListViewItem( QListView* parent, const QStringList& texts )
+ :OListViewItem( parent )
+{
+ setText( texts );
+}
+
+
+ONamedListViewItem::ONamedListViewItem( QListViewItem* parent, const QStringList& texts )
+ :OListViewItem( parent )
+{
+ setText( texts );
+}
+
+
+ONamedListViewItem::ONamedListViewItem( QListView* parent, QListViewItem* after, const QStringList& texts )
+ :OListViewItem( parent, after )
+{
+ setText( texts );
+}
+
+
+ONamedListViewItem::ONamedListViewItem( QListViewItem* parent, QListViewItem* after, const QStringList& texts )
+ :OListViewItem( parent, after )
+{
+ setText( texts );
+}
+
+
+ONamedListViewItem::~ONamedListViewItem()
+{
+}
+
+
+void ONamedListViewItem::setText( const QStringList& texts )
+{
+ int col = 0;
+ for ( QStringList::ConstIterator it = texts.begin(); it != texts.end(); ++it )
+ {
+ qDebug( "setting column %d = text %s", col, (const char*) *it );
+ OListViewItem::setText( col++, *it );
+ }
+
+}
+
+
+void ONamedListViewItem::setText( const QString& column, const QString& text )
+{
+ //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 < listView()->columns(); ++i )
+ {
+ if ( listView()->columnText( i ) == column )
+ {
+ OListViewItem::setText( i, text );
+ return;
+ }
+ }
+ qWarning( "ONamedListViewItem::setText(): Warning! Columntext '%s' not found.", (const char*) column );
+}
diff --git a/libopie2/opieui/olistview.h b/libopie2/opieui/olistview.h
index b62e278..99770bf 100644
--- a/libopie2/opieui/olistview.h
+++ b/libopie2/opieui/olistview.h
@@ -38,13 +38,18 @@
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>
- * @short OListView list/tree widget.
*/
class OListView: public QListView
{
@@ -52,83 +57,65 @@ class OListViewItem;
/**
* Constructor.
*
- * The parameters @p parent and @p name are handled by
+ * 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);
-
/**
- * sets the alternate background background color.
+ * 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
- *
- * @param c the color to use for every other item. Set to an invalid
- * color to disable alternate colors.
*/
- void setAlternateBackground( const QColor &c );
-
+ void setAlternateBackground( const QColor& color );
/**
- * sets the column separator pen.
- *
- * @param p the pen used to draw the column separator.
+ * Sets the column separator @a pen.
*/
- void setColumnSeparator( const QPen &p );
+ void setColumnSeparator( const QPen& pen );
/**
- * @return the alternate background color
+ * @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
- * @return the new object
+ * 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 a @ref QDataStream
- * @param s the stream used to serialize this object.
+ * Serialize this object to @ref QDataStream @a stream
*/
- virtual void serializeTo( QDataStream& s ) const;
-
+ virtual void serializeTo( QDataStream& stream ) const;
/**
- * serialize this object from a @ref QDataStream
- * @param s the stream used to serialize this object.
+ * Serialize this object from a @ref QDataStream @a stream
*/
virtual void serializeFrom( QDataStream& s );
#endif
@@ -141,22 +128,27 @@ class OListViewItem;
#ifndef QT_NO_DATASTREAM
/**
- * \relates QListView
- * Writes a listview to the stream and returns a reference to the stream.
+ * @relates OListView
+ * Writes @a listview to the @a stream and returns a reference to the stream.
*/
-QDataStream& operator<<( QDataStream& s, const OListView& lv );
+QDataStream& operator<<( QDataStream& stream, const OListView& listview );
/**
- * \relates QListView
- * Reads a listview from the stream and returns a reference to the stream.
+ * @relates OListView
+ * Reads @a listview from the @a stream and returns a reference to the stream.
*/
-QDataStream& operator>>( QDataStream& s, OListView& lv );
+QDataStream& operator>>( QDataStream& stream, OListView& listview );
#endif // QT_NO_DATASTREAM
-//****************************** OListViewItem ******************************************************************
+/*======================================================================================
+ * OListViewItem
+ *======================================================================================*/
class OListViewItem: public QListViewItem
{
public:
+ /**
+ * Constructors.
+ */
OListViewItem( QListView * parent );
OListViewItem( QListViewItem * parent );
OListViewItem( QListView * parent, QListViewItem * after );
@@ -185,20 +177,33 @@ class OListViewItem: public QListViewItem
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
+ *
+ */
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
- * @return the new object
+ * @returns the new object
*/
virtual OListViewItem* childFactory();
-
#ifndef QT_NO_DATASTREAM
/**
* serialize this object to or from a @ref QDataStream
@@ -220,16 +225,86 @@ class OListViewItem: public QListViewItem
#ifndef QT_NO_DATASTREAM
/**
- * \relates QListViewItem
- * Writes a listview item and all subitems recursively to the stream
+ * @relates QListViewItem
+ * Writes listview @a item and all subitems recursively to @a stream
* and returns a reference to the stream.
*/
-QDataStream& operator<<( QDataStream &s, const OListViewItem& lvi );
+QDataStream& operator<<( QDataStream& stream, const OListViewItem& item );
/**
- * \relates QListViewItem
- * Reads a listview item from the stream and returns a reference to the stream.
+ * @relates QListViewItem
+ * Reads listview @a item from @a stream and returns a reference to the stream.
*/
-QDataStream& operator>>( QDataStream &s, OListViewItem& lvi );
+QDataStream& operator>>( QDataStream& stream, OListViewItem& item );
#endif // QT_NO_DATASTREAM
+/*======================================================================================
+ * ONamedListView
+ *======================================================================================*/
+
+/**
+ * @brief An OListView variant with named columns.
+ *
+ * This class provides a higher-level interface to the columns in an OListView.
+ *
+ * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.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 );
+};
+
+/*======================================================================================
+ * ONamedListViewItem
+ *======================================================================================*/
+
+/**
+ * @brief An OListView variant with named columns.
+ *
+ * This class provides a higher-level interface to the columns in an OListViewItem.
+ *
+ * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.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 );
+};
+
+
#endif // OLISTVIEW_H