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docs: Improve GtkTreeModel iteration pattern

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Iterating over the model in this way means that use of continue is less
error-prone, as the increment is part of the loop construct.

https://bugzilla.gnome.org/show_bug.cgi?id=548793
This commit is contained in:
David King 2012-11-22 17:38:41 +00:00
parent e677cee28f
commit c627b22126
1 changed files with 5 additions and 6 deletions
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11
gtk/gtktreemodel.c
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@ -168,12 +168,12 @@
* /* Fill the list store with data */ * /* Fill the list store with data */
* populate_model (list_store); * populate_model (list_store);
* *
* /* Get the first iter in the list */ * /* Get the first iter in the list, check it is valid and walk
* valid = gtk_tree_model_get_iter_first (list_store, &iter); * * through the list, reading each row. */
* * for (valid = gtk_tree_model_get_iter_first (list_store, &iter);
* while (valid) * valid;
* valid = gtk_tree_model_iter_next (list_store, &iter))
* { * {
* /* Walk through the list, reading each row */
* gchar *str_data; * gchar *str_data;
* gint int_data; * gint int_data;
* *
@ -190,7 +190,6 @@
* g_free (str_data); * g_free (str_data);
* *
* row_count++; * row_count++;
* valid = gtk_tree_model_iter_next (list_store, &iter);
* } * }
* </programlisting> * </programlisting>
* </example> * </example>