Multi-select and drag+drop broken for new file tree (PICARD-246)

picard/ui/filebrowser.py

@@ -78,12 +78,6 @@ class FileBrowser(QtGui.QTreeView):
             self.scrollTo(self.currentIndex())
         QtCore.QTimer.singleShot(0, scroll)
 
-    def mousePressEvent(self, event):
-        index = self.indexAt(event.pos())
-        if index.isValid():
-            self.setCurrentIndex(index)
-        return QtGui.QTreeView.mousePressEvent(self, event)
-
     def show_hidden(self, state):
         self.config.persist["show_hidden_files"] = state
         self._set_model_filter()