Moved pygtktalog to pycatalog.

Also, clean up setup things and imports.

pycatalog/pygtkutils.py

@@ -0,0 +1,25 @@
+"""
+Project: pyGTKtalog
+Description: pyGTK common utility functions
+Type: utility
+Author: Roman 'gryf' Dobosz, gryf73@gmail.com
+Created: 2010-11-07 13:30:37
+"""
+
+
+def get_tv_item_under_cursor(treeview):
+    """
+    Get item (most probably id of the row) form tree view under cursor.
+    Arguments:
+        @treeview - gtk.TreeView
+    Returns:
+        Item in first column of TreeModel, which TreeView is connected with,
+        None in other cases
+    """
+    path, column = treeview.get_cursor()
+    if path and column:
+        model = treeview.get_model()
+        tm_iter = model.get_iter(path)
+        item_id = model.get_value(tm_iter, 0)
+        return item_id
+    return None