fix AnimatedSplitter and sizing.

this makes AnimatedSplitter set the stretch factor for the desired greedy widget to > 0,
so that when QSplitter::resizeEvent is called by non-AnimatedSplitter places, the greedy
widget is still respected

src/libtomahawk/playlist/dynamic/widgets/DynamicControlList.cpp

@@ -100,7 +100,6 @@ DynamicControlList::init()
     m_collapseLayout->addWidget( m_addControl );
     m_collapse->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed );
     
-    m_layout->addLayout( m_collapseLayout );
 //     connect( m_collapse, SIGNAL( clicked() ), this,  );
     connect( m_addControl, SIGNAL( clicked() ), this, SLOT( addNewControl() ) );
     
@@ -155,18 +154,19 @@ DynamicControlList::onShown( QWidget* w )
     if( w != this )
         return;
     
-    AnimatedWidget::onShown( w );
     
     m_layout->removeWidget( m_summaryWidget );
     m_layout->removeItem( m_collapseLayout );
+    
     m_summaryWidget->hide();
     foreach( DynamicControlWidget* control, m_controls ) {
         m_layout->addWidget( control );
-        control->show();
     }
     
     m_layout->addLayout( m_collapseLayout );
     m_layout->setStretchFactor( m_collapseLayout, 1 );
+    
+    AnimatedWidget::onShown( w );
 }
 
 void DynamicControlList::addNewControl()

src/libtomahawk/utils/animatedsplitter.cpp

@@ -195,6 +195,21 @@ AnimatedSplitter::onAnimationFinished()
     m_animateIndex = -1;
 }
 
+void 
+AnimatedSplitter::setGreedyWidget(int index)
+{
+    m_greedyIndex = index;
+    if( !widget( index ) )
+        return;
+    QSizePolicy policy = widget( m_greedyIndex )->sizePolicy();
+    if( orientation() == Qt::Horizontal )
+        policy.setHorizontalStretch( 1 );
+    else
+        policy.setVerticalStretch( 1 );
+    widget( m_greedyIndex )->setSizePolicy( policy );
+    
+}
+
 
 void
 AnimatedSplitter::onHiddenSizeChanged()

src/libtomahawk/utils/animatedsplitter.h

@@ -19,7 +19,7 @@ public:
     void show( int index, bool animate = true );
     void hide( int index, bool animate = true );
 
-    void setGreedyWidget( int index ) { m_greedyIndex = index; }
+    void setGreedyWidget( int index );
 
     void addWidget( QWidget* widget );
     void addWidget( AnimatedWidget* widget );