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authorChris Toshok <toshok@helixcode.com>2000-06-09 07:16:22 +0800
committerChris Toshok <toshok@src.gnome.org>2000-06-09 07:16:22 +0800
commite581631a9ce0803ba629ac67cd8934a6e23753ae (patch)
tree16fd9ebf869dd9fd82d265ce5a60a4ea7aeba652 /widgets/table/e-tree-model.h
parentf856d999c5cade657d045ea22b1fb64be481829d (diff)
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New files. A tree model using a GNode structure to store it's info.
2000-06-08 Chris Toshok <toshok@helixcode.com> * e-tree-gnode.c, e-tree-gnode.h: New files. A tree model using a GNode structure to store it's info. * e-tree-model.c, e-tree-model.h: New files. A proxy model sitting between a table model and the real tree model (of which ETreeGNode is an example). * e-cell-tree.c, e-cell-tree.h: New files. A cell renderer capable of wrapping up a subcell and drawing the tree controls for expanding/collapsing trees. * tree-expanded.xpm, tree-unexpanded.xpm: New files. the standard + and - icons. * e-tree-example-1.c: New file, giving a (pretty poor :) example of using ETreeGNode. * Makefile.am: at the tree stuff to the build, and build tree-example-1. * .cvsignore: ignore tree-example-1. svn path=/trunk/; revision=3483
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+#ifndef _E_TREE_MODEL_H_
+#define _E_TREE_MODEL_H_
+
+#include "e-table-model.h"
+
+#define E_TREE_MODEL_TYPE (e_tree_model_get_type ())
+#define E_TREE_MODEL(o) (GTK_CHECK_CAST ((o), E_TREE_MODEL_TYPE, ETreeModel))
+#define E_TREE_MODEL_CLASS(k) (GTK_CHECK_CLASS_CAST((k), E_TREE_MODEL_TYPE, ETreeModelClass))
+#define E_IS_TREE_MODEL(o) (GTK_CHECK_TYPE ((o), E_TREE_MODEL_TYPE))
+#define E_IS_TREE_MODEL_CLASS(k) (GTK_CHECK_CLASS_TYPE ((k), E_TREE_MODEL_TYPE))
+
+typedef gpointer ETreePathItem;
+typedef GList ETreePath;
+
+typedef struct {
+ ETableModel base;
+
+ ETableModel *source;
+
+ ETreePath *root_node;
+
+ GArray *array;
+
+} ETreeModel;
+
+typedef struct {
+ ETableModelClass parent_class;
+
+ /*
+ * Virtual methods
+ */
+ ETreePath *(*get_root) (ETreeModel *etm);
+
+ ETreePath *(*get_next) (ETreeModel *etm, ETreePath* node);
+ ETreePath *(*get_prev) (ETreeModel *etm, ETreePath* node);
+
+ void *(*value_at) (ETreeModel *etm, ETreePath* node, int col);
+ void (*set_value_at) (ETreeModel *etm, ETreePath* node, int col, const void *val);
+ gboolean (*is_editable) (ETreeModel *etm, ETreePath* node, int col);
+
+ guint (*get_children) (ETreeModel *etm, ETreePath* node, ETreePath ***paths);
+ void (*release_paths) (ETreeModel *etm, ETreePath **paths, guint num_paths);
+ gboolean (*is_expanded) (ETreeModel *etm, ETreePath* node);
+ void (*set_expanded) (ETreeModel *etm, ETreePath* node, gboolean expanded);
+
+ /*
+ * Signals
+ */
+
+} ETreeModelClass;
+
+GtkType e_tree_model_get_type (void);
+
+ETreeModel *e_tree_model_new (void);
+
+/* operations on "nodes" in the tree */
+ETreePath * e_tree_model_get_root (ETreeModel *etree);
+ETreePath * e_tree_model_node_at_row (ETreeModel *etree, int row);
+guint e_tree_model_node_depth (ETreeModel *etree, ETreePath *path);
+ETreePath *e_tree_model_node_get_parent (ETreeModel *etree, ETreePath *path);
+ETreePath *e_tree_model_node_get_next (ETreeModel *etree, ETreePath *path);
+ETreePath *e_tree_model_node_get_prev (ETreeModel *etree, ETreePath *path);
+gboolean e_tree_model_node_is_root (ETreeModel *etree, ETreePath *path);
+
+gboolean e_tree_model_node_is_expandable (ETreeModel *etree, ETreePath *path);
+gboolean e_tree_model_node_is_expanded (ETreeModel *etree, ETreePath *path);
+guint e_tree_model_node_get_children (ETreeModel *etree, ETreePath *path, ETreePath ***paths);
+void e_tree_model_release_paths (ETreeModel *etree, ETreePath **paths, guint num_paths);
+guint e_tree_model_node_num_visible_descendents (ETreeModel *etm, ETreePath *node);
+
+#endif /* _E_TREE_MODEL_H */