Reimplement QApplication::notify() to print out something about the exception if we can

src/TomahawkApp.cpp

@@ -707,6 +707,27 @@ TomahawkApp::loadUrl( const QString& url )
 }
 
 
+bool
+TomahawkApp::notify( QObject *receiver, QEvent *e )
+{
+    try
+    {
+        return TOMAHAWK_APPLICATION::notify( receiver, e );
+    }
+    catch ( const std::exception& e )
+    {
+        qWarning( "TomahawkApp::notify caught a std exception in a Qt event handler: " );
+        qFatal( e.what() );
+    }
+    catch ( ... )
+    {
+        qFatal( "TomahawkApp::notify caught a non-std-exception from a Qt event handler. Aborting." );
+    }
+
+    return false;
+}
+
+
 void
 TomahawkApp::instanceStarted( KDSingleApplicationGuard::Instance instance )
 {

src/TomahawkApp.h

@@ -99,6 +99,9 @@ public:
 
     bool isTomahawkLoaded() const { return m_loaded; }
 
+    // reimplemented from QApplication/QCoreApplication
+    virtual bool notify( QObject* receiver, QEvent* e );
+
 signals:
     void tomahawkLoaded();