Index: st2.py
==================================================================
--- st2.py
+++ st2.py
@@ -162,11 +162,11 @@
             "config_record_list_edit_col0": lambda w,path,txt: (self.configwin.list_edit(self.config_record, path, 0, txt)),
             "config_record_list_edit_col1": lambda w,path,txt: (self.configwin.list_edit(self.config_record, path, 1, txt)),
             # else
             "update_categories": self.update_categories,
             "update_favicons": self.update_favicons,
-            "app_state": self.app_state,
+            "app_state": self.save_app_state,
             "bookmark": self.bookmark,
             "save_as": self.save_as,
             "menu_about": lambda w: AboutStreamtuner2(self),
             "menu_help": action.help,
             "menu_onlineforum": lambda w: action.browser("http://sourceforge.net/projects/streamtuner2/forums/forum/1173108"),
@@ -419,20 +419,20 @@
     def init_app_state(self):
 
         winlayout = conf.load("window")
         if (winlayout):
             try: uikit.app_restore(self, winlayout)
-            except: pass # may fail for disabled/reordered plugin channels
+            except Exception as e: log.APPRESTORE(e) # may fail for disabled/reordered plugin channels
 
         winstate = conf.load("state")
         if (winstate):
             for id,prev in winstate.items():
                 try: self.channels[id].current = prev["current"]
-                except: pass
+                except Exception as e: log.APPSTATE(e)
 
     # store window/widget states (sizes, selections, etc.)
-    def app_state(self, widget):
+    def save_app_state(self, widget):
         # gtk widget states
         widgetnames = ["win_streamtuner2", "toolbar", "notebook_channels", ] \
                     + [id+"_list" for id in self.channel_names] \
                     + [id+"_cat" for id in self.channel_names]
         conf.save("window", uikit.app_state(wTree=self, widgetnames=widgetnames), nice=1)
@@ -446,13 +446,13 @@
 
     # end application and gtk+ main loop
     def gtk_main_quit(self, widget, *x):
         if conf.auto_save_appstate:
             try:  # doesn't work with gtk3 yet (probably just hooking at the wrong time)
-                self.app_state(widget)
-            except:
-                None
+                self.save_app_state(widget)
+            except Exception as e:
+                log.ERR(e)
         gtk.main_quit()
 
 
     # Right clicking a stream/station in the treeview to make context menu pop out.
     def station_context_menu(self, treeview, event):

Index: uikit.py
==================================================================
--- uikit.py
+++ uikit.py
@@ -283,16 +283,16 @@
                 for col in w.get_columns():
                     r[wn]["columns:width"].append( col.get_width() )
                 # - Rows
                 r[wn]["rows:expanded"] = []
                 for i in xrange(0,50):
-                    if w.row_expanded(str(i)):
+                    if w.row_expanded(treepath(i)):   # Gtk.TreePath for Gtk3
                         r[wn]["rows:expanded"].append(i)
                 # - selected
                 (model, paths) = w.get_selection().get_selected_rows()
                 if paths:
-                    r[wn]["row:selected"] = paths[0]
+                    r[wn]["row:selected"] = treepath_to_str(paths[0])
             # gtk.Toolbar
             if t == gtk.Toolbar:
                 r[wn]["icon_size"] = int(w.get_icon_size())
                 r[wn]["style"] = int(w.get_style())
             # gtk.Notebook
@@ -328,14 +328,14 @@
                             col.set_fixed_width(args[i])
                 #  - Rows
                 if method == "rows:expanded":
                     w.collapse_all()
                     for i in args:
-                        w.expand_row(str(i), False)                        
+                        w.expand_row(treepath(i), False)
                 #  - selected
                 if method == "row:selected":
-                    w.get_selection().select_path(tuple(args))
+                    w.get_selection().select_path(treepath(args))
                 # gtk.Toolbar
                 if method == "icon_size":
                     w.set_icon_size(args)
                 if method == "style":
                     w.set_style(args)
@@ -513,10 +513,31 @@
     """iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABGdBTUEAALGPC/xhBQAAACBjSFJNAA
     B6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAABmJLR0QA/wD/AP+gvaeTAAAAB3RJTUU
     H3wQLEAE6zgxuGAAAABFJREFUOBFjGAWjYBSMAigAAAQQAAFWMn04AAAAAElFTkSuQmCC"""
 )
 
+
+
+#-- Gtk3 wrappers
+
+# Use a str of "1:2:3" as treepath,
+# literally in Gtk2, TreePath-wrapped for Gtk3
+def treepath(ls):
+    if isinstance(ls, (list,tuple)):
+        ls = ls[0]
+    if ver==2:
+        return str(ls)
+    else:
+        return gtk.TreePath.new_from_string(str(ls))
+#
+def treepath_to_str(tp):
+    if ver==2:
+        return tp
+    else:
+        return tp.to_string()
+        
+
 
 # Text-only dropdown list.
 #
 # Necessary because gtk.ComboBoxText binding is absent in debian packages
 # https://bugzilla.gnome.org/show_bug.cgi?id=660659