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| author | Szilárd Pfeiffer <mailbox@pfeifferszilard.hu> | 2011-01-05 23:39:11 -0500 |
|---|---|---|
| committer | Matthias Clasen <mclasen@redhat.com> | 2011-01-05 23:39:11 -0500 |
| commit | 8219ed3a26ef4e2a824d8070eb39e3aa95489fd8 (patch) | |
| tree | 8335513cd1ff9487b9f5584d8ec44a42bec09185 /gtk/gtktreemodelsort.c | |
| parent | 072023e57b6c894436f1a480797621f3740f6413 (diff) | |
| download | gtk+-8219ed3a26ef4e2a824d8070eb39e3aa95489fd8.tar.gz | |
Add gtk_tree_model_iter_previous() vfunc
https://bugzilla.gnome.org/show_bug.cgi?id=128058
Diffstat (limited to 'gtk/gtktreemodelsort.c')
| -rw-r--r-- | gtk/gtktreemodelsort.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gtk/gtktreemodelsort.c b/gtk/gtktreemodelsort.c index 5582da781e..1fc52266ed 100644 --- a/gtk/gtktreemodelsort.c +++ b/gtk/gtktreemodelsort.c @@ -189,6 +189,8 @@ static void gtk_tree_model_sort_get_value (GtkTreeModel GValue *value); static gboolean gtk_tree_model_sort_iter_next (GtkTreeModel *tree_model, GtkTreeIter *iter); +static gboolean gtk_tree_model_sort_iter_previous (GtkTreeModel *tree_model, + GtkTreeIter *iter); static gboolean gtk_tree_model_sort_iter_children (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent); @@ -325,6 +327,7 @@ gtk_tree_model_sort_tree_model_init (GtkTreeModelIface *iface) iface->get_path = gtk_tree_model_sort_get_path; iface->get_value = gtk_tree_model_sort_get_value; iface->iter_next = gtk_tree_model_sort_iter_next; + iface->iter_previous = gtk_tree_model_sort_iter_previous; iface->iter_children = gtk_tree_model_sort_iter_children; iface->iter_has_child = gtk_tree_model_sort_iter_has_child; iface->iter_n_children = gtk_tree_model_sort_iter_n_children; @@ -1081,6 +1084,31 @@ gtk_tree_model_sort_iter_next (GtkTreeModel *tree_model, } static gboolean +gtk_tree_model_sort_iter_previous (GtkTreeModel *tree_model, + GtkTreeIter *iter) +{ + GtkTreeModelSort *tree_model_sort = (GtkTreeModelSort *) tree_model; + GtkTreeModelSortPrivate *priv = tree_model_sort->priv; + SortLevel *level; + SortElt *elt; + + g_return_val_if_fail (priv->child_model != NULL, FALSE); + g_return_val_if_fail (priv->stamp == iter->stamp, FALSE); + + level = iter->user_data; + elt = iter->user_data2; + + if (elt == (SortElt *)level->array->data) + { + iter->stamp = 0; + return FALSE; + } + iter->user_data2 = elt - 1; + + return TRUE; +} + +static gboolean gtk_tree_model_sort_iter_children (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent) |