revert changes that caused FileBrowsers to steal focus when opened

include/FileBrowser.h

@@ -64,7 +64,6 @@ private slots:
 private:
 	bool filterItems( QTreeWidgetItem * item, const QString & filter );
 	virtual void keyPressEvent( QKeyEvent * ke );
-	void focusInEvent(QFocusEvent * event);
 
 	void addItems( const QString & path );
 

src/gui/FileBrowser.cpp

@@ -268,12 +268,6 @@ void FileBrowser::giveFocusToFilter()
 	}
 }
 
-void FileBrowser::focusInEvent(QFocusEvent * event)
-{
-	// when the FileBrowser is opened, direct focus to the filter for quick filtering
-	giveFocusToFilter();
-}
-
 
 void FileBrowser::addItems(const QString & path )
 {

src/gui/widgets/SideBar.cpp

@@ -158,10 +158,6 @@ void SideBar::toggleButton( QAbstractButton * button )
 		activeWidget->setVisible( button->isChecked() );
 		toolButton->setToolButtonStyle( button->isChecked() ?
 				Qt::ToolButtonTextBesideIcon : Qt::ToolButtonIconOnly );
-		if ( button->isChecked() )
-		{
-			activeWidget->setFocus();
-		}
 	}
 }