f8172191ad
2002-11-05 Mike Kestner <mkestner@ximian.com> * e-table-item.c : use GObject api for models * e-table-memory-callbacks.[ch] : GObjectify * e-table-memory-store.[ch] : GObjectify * e-table-memory.[ch] : GObjectify * e-table-model.[ch] : GObjectify * e-table-one.[ch] : GObjectify * e-table-simple.[ch] : GObjectify * e-tree-memory.[ch] : GObjectify * e-tree-model.[ch] : GObjectify * e-tree-selection-model.c : use GObject api for models * e-tree-simple.[ch] : GObjectify * e-tree-sorted.[ch] : GObjectify * e-tree-table-adapter.[ch] : GObjectify * e-tree.c : use GObject api for models svn path=/trunk/; revision=18553
228 lines
9.5 KiB
C
228 lines
9.5 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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* e-tree-model.h
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* Copyright 2000, 2001, Ximian, Inc.
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*
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* Authors:
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* Chris Lahey <clahey@ximian.com>
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* Chris Toshok <toshok@ximian.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License, version 2, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef _E_TREE_MODEL_H_
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#define _E_TREE_MODEL_H_
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <glib-object.h>
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G_BEGIN_DECLS
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#define E_TREE_MODEL_TYPE (e_tree_model_get_type ())
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#define E_TREE_MODEL(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), E_TREE_MODEL_TYPE, ETreeModel))
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#define E_TREE_MODEL_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), E_TREE_MODEL_TYPE, ETreeModelClass))
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#define E_IS_TREE_MODEL(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), E_TREE_MODEL_TYPE))
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#define E_IS_TREE_MODEL_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), E_TREE_MODEL_TYPE))
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#define E_TREE_MODEL_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), E_TREE_MODEL_TYPE, ETreeModelClass))
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typedef void * ETreePath;
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typedef struct ETreeModel ETreeModel;
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typedef struct ETreeModelClass ETreeModelClass;
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typedef gint (*ETreePathCompareFunc)(ETreeModel *model, ETreePath path1, ETreePath path2);
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typedef gboolean (*ETreePathFunc)(ETreeModel *model, ETreePath path, gpointer data);
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struct ETreeModel {
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GObject base;
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};
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struct ETreeModelClass {
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GObjectClass parent_class;
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/*
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* Virtual methods
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*/
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ETreePath (*get_root) (ETreeModel *etm);
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ETreePath (*get_parent) (ETreeModel *etm, ETreePath node);
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ETreePath (*get_first_child) (ETreeModel *etm, ETreePath node);
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ETreePath (*get_last_child) (ETreeModel *etm, ETreePath node);
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ETreePath (*get_next) (ETreeModel *etm, ETreePath node);
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ETreePath (*get_prev) (ETreeModel *etm, ETreePath node);
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gboolean (*is_root) (ETreeModel *etm, ETreePath node);
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gboolean (*is_expandable) (ETreeModel *etm, ETreePath node);
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guint (*get_children) (ETreeModel *etm, ETreePath node, ETreePath **paths);
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guint (*depth) (ETreeModel *etm, ETreePath node);
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GdkPixbuf *(*icon_at) (ETreeModel *etm, ETreePath node);
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gboolean (*get_expanded_default) (ETreeModel *etm);
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gint (*column_count) (ETreeModel *etm);
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gboolean (*has_save_id) (ETreeModel *etm);
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gchar *(*get_save_id) (ETreeModel *etm, ETreePath node);
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gboolean (*has_get_node_by_id) (ETreeModel *etm);
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ETreePath (*get_node_by_id) (ETreeModel *etm, const char *save_id);
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gboolean (*has_change_pending) (ETreeModel *etm);
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/*
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* ETable analogs
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*/
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void *(*value_at) (ETreeModel *etm, ETreePath node, int col);
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void (*set_value_at) (ETreeModel *etm, ETreePath node, int col, const void *val);
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gboolean (*is_editable) (ETreeModel *etm, ETreePath node, int col);
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void *(*duplicate_value) (ETreeModel *etm, int col, const void *value);
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void (*free_value) (ETreeModel *etm, int col, void *value);
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void *(*initialize_value) (ETreeModel *etm, int col);
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gboolean (*value_is_empty) (ETreeModel *etm, int col, const void *value);
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char *(*value_to_string) (ETreeModel *etm, int col, const void *value);
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/*
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* Signals
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*/
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/* During node_remove, the ETreePath of the child is removed
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* from the tree but is still a valid ETreePath. At
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* node_deleted, the ETreePath is no longer valid.
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*/
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void (*pre_change) (ETreeModel *etm);
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void (*no_change) (ETreeModel *etm);
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void (*node_changed) (ETreeModel *etm, ETreePath node);
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void (*node_data_changed) (ETreeModel *etm, ETreePath node);
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void (*node_col_changed) (ETreeModel *etm, ETreePath node, int col);
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void (*node_inserted) (ETreeModel *etm, ETreePath parent, ETreePath inserted_node);
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void (*node_removed) (ETreeModel *etm, ETreePath parent, ETreePath removed_node, int old_position);
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void (*node_deleted) (ETreeModel *etm, ETreePath deleted_node);
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/* This signal requests that any viewers of the tree that
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* collapse and expand nodes collapse this node.
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*/
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void (*node_request_collapse) (ETreeModel *etm, ETreePath node);
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};
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GType e_tree_model_get_type (void);
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ETreeModel *e_tree_model_new (void);
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/* tree traversal operations */
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ETreePath e_tree_model_get_root (ETreeModel *etree);
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ETreePath e_tree_model_node_get_parent (ETreeModel *etree,
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ETreePath path);
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ETreePath e_tree_model_node_get_first_child (ETreeModel *etree,
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ETreePath path);
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ETreePath e_tree_model_node_get_last_child (ETreeModel *etree,
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ETreePath path);
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ETreePath e_tree_model_node_get_next (ETreeModel *etree,
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ETreePath path);
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ETreePath e_tree_model_node_get_prev (ETreeModel *etree,
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ETreePath path);
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/* node accessors */
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gboolean e_tree_model_node_is_root (ETreeModel *etree,
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ETreePath path);
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gboolean e_tree_model_node_is_expandable (ETreeModel *etree,
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ETreePath path);
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guint e_tree_model_node_get_children (ETreeModel *etree,
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ETreePath path,
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ETreePath **paths);
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guint e_tree_model_node_depth (ETreeModel *etree,
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ETreePath path);
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GdkPixbuf *e_tree_model_icon_at (ETreeModel *etree,
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ETreePath path);
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gboolean e_tree_model_get_expanded_default (ETreeModel *model);
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gint e_tree_model_column_count (ETreeModel *model);
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gboolean e_tree_model_has_save_id (ETreeModel *model);
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gchar *e_tree_model_get_save_id (ETreeModel *model,
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ETreePath node);
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gboolean e_tree_model_has_get_node_by_id (ETreeModel *model);
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ETreePath e_tree_model_get_node_by_id (ETreeModel *model,
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const char *save_id);
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gboolean e_tree_model_has_change_pending (ETreeModel *model);
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void *e_tree_model_value_at (ETreeModel *etree,
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ETreePath node,
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int col);
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void e_tree_model_set_value_at (ETreeModel *etree,
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ETreePath node,
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int col,
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const void *val);
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gboolean e_tree_model_node_is_editable (ETreeModel *etree,
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ETreePath node,
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int col);
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void *e_tree_model_duplicate_value (ETreeModel *etree,
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int col,
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const void *value);
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void e_tree_model_free_value (ETreeModel *etree,
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int col,
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void *value);
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void *e_tree_model_initialize_value (ETreeModel *etree,
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int col);
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gboolean e_tree_model_value_is_empty (ETreeModel *etree,
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int col,
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const void *value);
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char *e_tree_model_value_to_string (ETreeModel *etree,
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int col,
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const void *value);
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/* depth first traversal of path's descendents, calling func on each one */
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void e_tree_model_node_traverse (ETreeModel *model,
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ETreePath path,
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ETreePathFunc func,
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gpointer data);
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void e_tree_model_node_traverse_preorder (ETreeModel *model,
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ETreePath path,
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ETreePathFunc func,
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gpointer data);
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ETreePath e_tree_model_node_find (ETreeModel *model,
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ETreePath path,
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ETreePath end_path,
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gboolean forward_direction,
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ETreePathFunc func,
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gpointer data);
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/*
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** Routines for emitting signals on the ETreeModel
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*/
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void e_tree_model_pre_change (ETreeModel *tree_model);
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void e_tree_model_no_change (ETreeModel *tree_model);
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void e_tree_model_node_changed (ETreeModel *tree_model,
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ETreePath node);
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void e_tree_model_node_data_changed (ETreeModel *tree_model,
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ETreePath node);
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void e_tree_model_node_col_changed (ETreeModel *tree_model,
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ETreePath node,
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int col);
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void e_tree_model_node_inserted (ETreeModel *tree_model,
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ETreePath parent_node,
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ETreePath inserted_node);
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void e_tree_model_node_removed (ETreeModel *tree_model,
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ETreePath parent_node,
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ETreePath removed_node,
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int old_position);
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void e_tree_model_node_deleted (ETreeModel *tree_model,
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ETreePath deleted_node);
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void e_tree_model_node_request_collapse (ETreeModel *tree_model,
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ETreePath deleted_node);
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G_END_DECLS
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#endif /* _E_TREE_MODEL_H */
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