support OListViewItem specific overload of expand to give those the chance

to compute stuff "just in time" - this is also known as lazy computation
patch by tille

1 files changed, 6 insertions, 0 deletions

diff --git a/libopie2/opieui/olistview.cpp b/libopie2/opieui/olistview.cpp
index 8f290d3..ec503dd 100644
--- a/libopie2/opieui/olistview.cpp
+++ b/libopie2/opieui/olistview.cpp
@@ -48,12 +48,13 @@ OListView::OListView( QWidget *parent, const char *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*)));
 }
 
 OListView::~OListView()
 {
 }
 
@@ -124,12 +125,17 @@ const QPen& OListView::columnSeparator() const
 void OListView::setColumnSeparator( const QPen& p )
 {
     m_columnSeparator = p;
     repaint();
 }
 
+void OListView::expand(QListViewItem *item)
+{
+         ((OListViewItem*)item)->expand();
+}
+
 OListViewItem* OListView::childFactory()
 {
     return new OListViewItem( this );
 }
 
 #ifndef QT_NO_DATASTREAM