3 <_6@stddlZddlZddlZddlZddlmZddlmZGdddejZddZ dd Z Gd d d ejej Z dS) N)GObject)Gtkc@s<eZdZdejfdejfdejfdejfgZeddZdS) _CTreeIterstamp user_dataZ user_data2Z user_data3cCs$tjt}tj|jt||S)N)sys getsizeofobjectctypesZPOINTERZ from_addressid)clsiteroffsetr(/usr/lib64/python3.6/generictreemodel.py from_iter&s z_CTreeIter.from_iterN) __name__ __module__ __qualname__r Zc_intZc_void_pZ_fields_ classmethodrrrrrr s  rcCstj|}tj|jjtjjS)N)rrr castcontentsrZ py_objectvalue)r Zciterrrr_get_user_data_as_pyobject,s rcsfdd}|S)a]Returns a function which can act as a decorator for wrapping exceptions and returning "default_return" upon an exception being thrown. This is used to wrap Gtk.TreeModel "do_" method implementations so we can return a proper value from the override upon an exception occurring with client code implemented by the "on_" methods. csfdd}|S)Nc s*y ||StjtjYnXS)N)r excepthookexc_info)argsZkargs)default_returnfuncrr wrapped_func:s  z9handle_exception..decorator..wrapped_funcr)rr)r)rr decorator9sz#handle_exception..decoratorr)rr r)rrhandle_exception1s r!cseZdZdZejdeddZfddZddZ d d Z d d Z d dZ ddZ ddZddZddZdTfdd ZedddZedddZeejdd ZedUd"d#Zed!d$d%Zedd&d'Zedd(d)ZedVd*d+Zed!d,d-Zedd.d/ZedWd0d1ZedXd2d3Zedd4d5Z edd6d7Z!d8d9Z"d:d;Z#dd?Z%d@dAZ&dBdCZ'dDdEZ(dFdGZ)dHdIZ*dJdKZ+dLdMZ,dNdOZ-dPdQZ.dRdSZ/Z0S)YGenericTreeModelaA base implementation of a Gtk.TreeModel for python. The GenericTreeModel eases implementing the Gtk.TreeModel interface in Python. The class can be subclassed to provide a TreeModel implementation which works directly with Python objects instead of iterators. All of the on_* methods should be overridden by subclasses to provide the underlying implementation a way to access custom model data. For the purposes of this API, all custom model data supplied or handed back through the overridable API will use the argument names: node, parent, and child in regards to user data python objects. The create_tree_iter, set_user_data, invalidate_iters, iter_is_valid methods are available to help manage Gtk.TreeIter objects and their Python object references. GenericTreeModel manages a pool of user data nodes that have been used with iters. This pool stores a references to user data nodes as a dictionary value with the key being the integer id of the data. This id is what the Gtk.TreeIter objects use to reference data in the pool. References will be removed from the pool when the model is deleted or explicitly by using the optional "node" argument to the "row_deleted" method when notifying the model of row deletion. 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N)r%r" row_deletedr r()r*pathnodeZnode_id)r+rrrBs  zGenericTreeModel.row_deletedrcCs|jS)zInternal method.) on_get_flags)r*rrr do_get_flagsszGenericTreeModel.do_get_flagscCs|jS)zInternal method.)on_get_n_columns)r*rrrdo_get_n_columnssz!GenericTreeModel.do_get_n_columnscCs |j|S)zInternal method.)on_get_column_type)r*indexrrrdo_get_column_typesz#GenericTreeModel.do_get_column_typeFcCs|j|j|S)zInternal method.)rA on_get_iter)r*rCrrr do_get_iterszGenericTreeModel.do_get_itercCs8|dkr|jd}n|j|j|}|j|||dk S)zInternal method.N) on_iter_nextr3r>)r*r Z next_datarrr do_iter_nexts   zGenericTreeModel.do_iter_nextcCs*|j|j|}|dkrdStj|SdS)zInternal method.N) on_get_pathr3rZTreePath)r*r rCrrr do_get_pathszGenericTreeModel.do_get_pathcCs|j|j||S)zInternal method.) on_get_valuer3)r*r columnrrr do_get_valueszGenericTreeModel.do_get_valuecCs"|r|j|nd}|j|j|S)zInternal method.N)r3rAon_iter_children)r*parentr@rrrdo_iter_childrensz!GenericTreeModel.do_iter_childrencCs|j|j|S)zInternal method.)on_iter_has_childr3)r*rVrrrdo_iter_has_child sz"GenericTreeModel.do_iter_has_childcCs"|dkr|jdS|j|j|S)zInternal method.N)on_iter_n_childrenr3)r*r rrrdo_iter_n_childrens z#GenericTreeModel.do_iter_n_childrencCs2|dkr|jd|}n|j|j||}|j|S)zInternal method.N)on_iter_nth_childr3rA)r*rVnr@rrrdo_iter_nth_childsz"GenericTreeModel.do_iter_nth_childcCs|j|j|j|S)zInternal method.)rAon_iter_parentr3)r*childrrrdo_iter_parentszGenericTreeModel.do_iter_parentcCs|j|j|dS)N) on_ref_noder3)r*r rrr do_ref_node#szGenericTreeModel.do_ref_nodecCs|j|j|dS)N) on_unref_noder3)r*r rrr do_unref_node'szGenericTreeModel.do_unref_nodecCstdS)zyOverridable. :Returns Gtk.TreeModelFlags: The flags for this model. 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