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-rw-r--r--widgets/table/e-tree-simple.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/widgets/table/e-tree-simple.c b/widgets/table/e-tree-simple.c
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+++ b/widgets/table/e-tree-simple.c
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * e-tree-simple.c: a Tree Model that offers a function pointer
+ * interface to using ETreeModel, similar to ETableSimple.
+ *
+ * Author:
+ * Chris Toshok (toshok@helixcode.com)
+ *
+ * (C) 2000 Helix Code, Inc. */
+
+#include <config.h>
+#include <gtk/gtksignal.h>
+#include "e-util/e-util.h"
+#include "e-tree-simple.h"
+
+#define PARENT_TYPE E_TREE_MODEL_TYPE
+
+static void *
+simple_value_at (ETreeModel *etm, ETreePath *node, int col)
+{
+ ETreeSimple *simple = E_TREE_SIMPLE(etm);
+
+ return simple->value_at (etm, node, col, simple->model_data);
+}
+
+static void
+simple_set_value_at (ETreeModel *etm, ETreePath *node, int col, const void *val)
+{
+ ETreeSimple *simple = E_TREE_SIMPLE(etm);
+
+ simple->set_value_at (etm, node, col, val, simple->model_data);
+}
+
+static gboolean
+simple_is_editable (ETreeModel *etm, ETreePath *node, int col)
+{
+ ETreeSimple *simple = E_TREE_SIMPLE(etm);
+
+ return simple->is_editable (etm, node, col, simple->model_data);
+}
+
+static void
+e_tree_simple_class_init (GtkObjectClass *object_class)
+{
+ ETreeModelClass *model_class = (ETreeModelClass *) object_class;
+
+ model_class->value_at = simple_value_at;
+ model_class->set_value_at = simple_set_value_at;
+ model_class->is_editable = simple_is_editable;
+}
+
+E_MAKE_TYPE(e_tree_simple, "ETreeSimple", ETreeSimple, e_tree_simple_class_init, NULL, PARENT_TYPE)
+
+ETreeModel *
+e_tree_simple_new (ETreeSimpleValueAtFn value_at,
+ ETreeSimpleSetValueAtFn set_value_at,
+ ETreeSimpleIsEditableFn is_editable,
+ gpointer model_data)
+{
+ ETreeSimple *etg;
+
+ etg = gtk_type_new (e_tree_simple_get_type ());
+
+ e_tree_model_construct (E_TREE_MODEL (etg));
+
+ etg->value_at = value_at;
+ etg->set_value_at = set_value_at;
+ etg->is_editable = is_editable;
+ etg->model_data = model_data;
+
+ return (ETreeModel*)etg;
+}
+