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

2 files changed, 17 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
@@ -53,2 +53,3 @@ OListView::OListView( QWidget *parent, const char *name )
     m_fullWidth = true;
+    connect( this, SIGNAL(expanded(QListViewItem*)), SLOT(expand(QListViewItem*)));
 }
@@ -129,2 +130,7 @@ void OListView::setColumnSeparator( const QPen& p )
 
+void OListView::expand(QListViewItem *item)
+{
+ 	((OListViewItem*)item)->expand();
+}
+
 OListViewItem* OListView::childFactory()
diff --git a/libopie2/opieui/olistview.h b/libopie2/opieui/olistview.h
index 109e309..a00b43a 100644
--- a/libopie2/opieui/olistview.h
+++ b/libopie2/opieui/olistview.h
@@ -124,2 +124,8 @@ class OListView: public QListView
 
+protected slots:
+    /** 
+     * expand the current OListViewItem
+     */
+    void expand(QListViewItem*);    
+
   private:
@@ -222,2 +228,7 @@ class OListViewItem: public QListViewItem
 
+    /**
+     * expand the the item
+     */
+    virtual void expand(){};
+
   private: