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7a6d6b2128
* */*.cs : add lgpl license blurb and clean up (c)'s. * */*.custom : add lgpl license blurb and clean up (c)'s. * */glue/*.c : add lgpl license blurb and clean up (c)'s. file adds without license from now on are punishable by wedgie. svn path=/trunk/gtk-sharp/; revision=30401
347 lines
10 KiB
C
347 lines
10 KiB
C
/*
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* nodestore.c
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*
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* Copyright (c) 2003 Novell, Inc.
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*
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* Authors: Mike Kestner <mkestner@ximian.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the Lesser GNU General
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* Public License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gtk/gtktreemodel.h>
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typedef GtkTreeModelFlags (* GtkSharpNodeStoreGetFlagsFunc) (void);
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typedef gint (* GtkSharpNodeStoreGetNColumnsFunc) (void);
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typedef GType (* GtkSharpNodeStoreGetColumnTypeFunc) (gint col);
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typedef gboolean (* GtkSharpNodeStoreGetNodeFunc) (gint *node_idx, GtkTreePath *path);
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typedef GtkTreePath* (* GtkSharpNodeStoreGetPathFunc) (gint node_idx);
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typedef void (* GtkSharpNodeStoreGetValueFunc) (gint node_idx, gint col, GValue *value);
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typedef gboolean (* GtkSharpNodeStoreIterNextFunc) (gint *node_idx);
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typedef gboolean (* GtkSharpNodeStoreIterChildrenFunc) (gint *first_child, gint parent);
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typedef gboolean (* GtkSharpNodeStoreIterHasChildFunc) (gint node_idx);
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typedef gint (* GtkSharpNodeStoreIterNChildrenFunc) (gint node_idx);
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typedef gboolean (* GtkSharpNodeStoreIterNthChildFunc) (gint *child, gint parent, gint n);
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typedef gboolean (* GtkSharpNodeStoreIterParentFunc) (gint *parent, gint child);
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typedef struct _GtkSharpNodeStoreTreeModelIface {
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GtkSharpNodeStoreGetFlagsFunc get_flags;
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GtkSharpNodeStoreGetNColumnsFunc get_n_columns;
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GtkSharpNodeStoreGetColumnTypeFunc get_column_type;
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GtkSharpNodeStoreGetNodeFunc get_node;
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GtkSharpNodeStoreGetPathFunc get_path;
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GtkSharpNodeStoreGetValueFunc get_value;
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GtkSharpNodeStoreIterNextFunc iter_next;
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GtkSharpNodeStoreIterChildrenFunc iter_children;
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GtkSharpNodeStoreIterHasChildFunc iter_has_child;
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GtkSharpNodeStoreIterNChildrenFunc iter_n_children;
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GtkSharpNodeStoreIterNthChildFunc iter_nth_child;
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GtkSharpNodeStoreIterParentFunc iter_parent;
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} GtkSharpNodeStoreTreeModelIface;
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typedef struct _GtkSharpNodeStore {
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GObject parent;
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gint stamp;
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GtkSharpNodeStoreTreeModelIface tree_model;
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} GtkSharpNodeStore;
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typedef struct _GtkSharpNodeStoreClass {
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GObjectClass parent;
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} GtkSharpNodeStoreClass;
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GType gtksharp_node_store_get_type (void);
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GObject * gtksharp_node_store_new (void);
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void gtksharp_node_store_set_tree_model_callbacks (GtkSharpNodeStore *store, GtkSharpNodeStoreTreeModelIface *iface);
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void gtksharp_node_store_emit_row_changed (GtkSharpNodeStore *store, GtkTreePath *path, gint node_idx);
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void gtksharp_node_store_emit_row_inserted (GtkSharpNodeStore *store, GtkTreePath *path, gint node_idx);
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void gtksharp_node_store_emit_row_deleted (GtkSharpNodeStore *store, GtkTreePath *path);
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void gtksharp_node_store_emit_row_has_child_toggled (GtkSharpNodeStore *store, GtkTreePath *path, gint node_idx);
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static GtkTreeModelFlags
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gns_get_flags (GtkTreeModel *model)
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{
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GtkSharpNodeStore *store = (GtkSharpNodeStore *) model;
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return store->tree_model.get_flags ();
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}
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static int
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gns_get_n_columns (GtkTreeModel *model)
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{
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GtkSharpNodeStore *store = (GtkSharpNodeStore *) model;
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return store->tree_model.get_n_columns ();
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}
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static GType
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gns_get_column_type (GtkTreeModel *model, int col)
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{
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GtkSharpNodeStore *store = (GtkSharpNodeStore *) model;
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return store->tree_model.get_column_type (col);
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}
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static gboolean
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gns_get_iter (GtkTreeModel *model, GtkTreeIter *iter, GtkTreePath *path)
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{
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GtkSharpNodeStore *store = (GtkSharpNodeStore *) model;
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gint node_idx;
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if (!store->tree_model.get_node (&node_idx, path))
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return FALSE;
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iter->stamp = store->stamp;
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iter->user_data = GINT_TO_POINTER (node_idx);
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return TRUE;
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}
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static GtkTreePath *
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gns_get_path (GtkTreeModel *model, GtkTreeIter *iter)
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{
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GtkSharpNodeStore *store = (GtkSharpNodeStore *) model;
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return store->tree_model.get_path (GPOINTER_TO_INT (iter->user_data));
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}
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static void
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gns_get_value (GtkTreeModel *model, GtkTreeIter *iter, int col, GValue *value)
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{
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GtkSharpNodeStore *store = (GtkSharpNodeStore *) model;
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store->tree_model.get_value (GPOINTER_TO_INT (iter->user_data), col, value);
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}
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static gboolean
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gns_iter_next (GtkTreeModel *model, GtkTreeIter *iter)
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{
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GtkSharpNodeStore *store = (GtkSharpNodeStore *) model;
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gint node_idx;
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if (store->stamp != iter->stamp)
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return FALSE;
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node_idx = GPOINTER_TO_INT (iter->user_data);
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if (!store->tree_model.iter_next (&node_idx)) {
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iter->stamp = -1;
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return FALSE;
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}
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iter->user_data = GINT_TO_POINTER (node_idx);
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return TRUE;
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}
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static gboolean
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gns_iter_children (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *parent)
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{
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GtkSharpNodeStore *store = (GtkSharpNodeStore *) model;
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gint child_idx, parent_idx;
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if (!parent)
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parent_idx = -1;
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else {
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if (store->stamp != parent->stamp)
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return FALSE;
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parent_idx = GPOINTER_TO_INT (parent->user_data);
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}
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if (!store->tree_model.iter_children (&child_idx, parent_idx))
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return FALSE;
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iter->stamp = store->stamp;
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iter->user_data = GINT_TO_POINTER (child_idx);
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return TRUE;
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}
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static gboolean
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gns_iter_has_child (GtkTreeModel *model, GtkTreeIter *iter)
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{
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GtkSharpNodeStore *store = (GtkSharpNodeStore *) model;
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return store->tree_model.iter_has_child (GPOINTER_TO_INT (iter->user_data));
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}
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static int
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gns_iter_n_children (GtkTreeModel *model, GtkTreeIter *iter)
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{
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GtkSharpNodeStore *store = (GtkSharpNodeStore *) model;
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gint node_idx;
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if (!iter)
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node_idx = -1;
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else {
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if (store->stamp != iter->stamp)
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return 0;
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node_idx = GPOINTER_TO_INT (iter->user_data);
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}
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return store->tree_model.iter_n_children (node_idx);
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}
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static gboolean
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gns_iter_nth_child (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *parent, int n)
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{
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GtkSharpNodeStore *store = (GtkSharpNodeStore *) model;
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gint child_idx, parent_idx;
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if (!parent)
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parent_idx = -1;
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else {
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if (store->stamp != parent->stamp)
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return FALSE;
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parent_idx = GPOINTER_TO_INT (parent->user_data);
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}
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if (!store->tree_model.iter_nth_child (&child_idx, parent_idx, n))
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return FALSE;
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iter->stamp = store->stamp;
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iter->user_data = GINT_TO_POINTER (child_idx);
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return TRUE;
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}
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static gboolean
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gns_iter_parent (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *child)
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{
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GtkSharpNodeStore *store = (GtkSharpNodeStore *) model;
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gint parent;
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if (store->stamp != child->stamp)
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return FALSE;
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if (!store->tree_model.iter_parent (&parent, GPOINTER_TO_INT (child->user_data)))
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return FALSE;
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iter->stamp = store->stamp;
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iter->user_data = GINT_TO_POINTER (parent);
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return TRUE;
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}
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static void
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gns_tree_model_init (GtkTreeModelIface *iface)
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{
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iface->get_flags = gns_get_flags;
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iface->get_n_columns = gns_get_n_columns;
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iface->get_column_type = gns_get_column_type;
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iface->get_iter = gns_get_iter;
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iface->get_path = gns_get_path;
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iface->get_value = gns_get_value;
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iface->iter_next = gns_iter_next;
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iface->iter_children = gns_iter_children;
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iface->iter_has_child = gns_iter_has_child;
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iface->iter_n_children = gns_iter_n_children;
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iface->iter_nth_child = gns_iter_nth_child;
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iface->iter_parent = gns_iter_parent;
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}
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static void
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gns_class_init (GObjectClass *klass)
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{
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}
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static void
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gns_init (GtkSharpNodeStore *store)
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{
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store->stamp = 0;
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store->tree_model.get_flags = NULL;
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store->tree_model.get_n_columns = NULL;
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store->tree_model.get_column_type = NULL;
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store->tree_model.get_node = NULL;
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store->tree_model.get_path = NULL;
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store->tree_model.get_value = NULL;
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store->tree_model.iter_next = NULL;
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store->tree_model.iter_children = NULL;
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store->tree_model.iter_has_child = NULL;
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store->tree_model.iter_n_children = NULL;
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store->tree_model.iter_nth_child = NULL;
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store->tree_model.iter_parent = NULL;
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}
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GType
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gtksharp_node_store_get_type (void)
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{
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static GType gns_type = 0;
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if (!gns_type) {
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static const GTypeInfo gns_info = {
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sizeof (GtkSharpNodeStoreClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gns_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GtkSharpNodeStore),
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0,
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(GInstanceInitFunc) gns_init };
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static const GInterfaceInfo tree_model_info = {
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(GInterfaceInitFunc) gns_tree_model_init,
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NULL,
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NULL };
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gns_type = g_type_register_static (G_TYPE_OBJECT, "GtkSharpNodeStore", &gns_info, 0);
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g_type_add_interface_static (gns_type, GTK_TYPE_TREE_MODEL, &tree_model_info);
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}
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return gns_type;
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}
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GObject *
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gtksharp_node_store_new (void)
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{
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return g_object_new (gtksharp_node_store_get_type (), NULL);
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}
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void
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gtksharp_node_store_set_tree_model_callbacks (GtkSharpNodeStore *store, GtkSharpNodeStoreTreeModelIface *iface)
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{
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store->tree_model = *iface;
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}
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void
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gtksharp_node_store_emit_row_changed (GtkSharpNodeStore *store, GtkTreePath *path, gint node_idx)
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{
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GtkTreeIter iter;
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iter.stamp = store->stamp;
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iter.user_data = GINT_TO_POINTER (node_idx);
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gtk_tree_model_row_changed (GTK_TREE_MODEL (store), path, &iter);
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}
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void
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gtksharp_node_store_emit_row_inserted (GtkSharpNodeStore *store, GtkTreePath *path, gint node_idx)
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{
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GtkTreeIter iter;
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iter.stamp = store->stamp;
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iter.user_data = GINT_TO_POINTER (node_idx);
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gtk_tree_model_row_inserted (GTK_TREE_MODEL (store), path, &iter);
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}
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void
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gtksharp_node_store_emit_row_deleted (GtkSharpNodeStore *store, GtkTreePath *path)
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{
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gtk_tree_model_row_deleted (GTK_TREE_MODEL (store), path);
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}
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void
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gtksharp_node_store_emit_row_has_child_toggled (GtkSharpNodeStore *store, GtkTreePath *path, gint node_idx)
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{
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GtkTreeIter iter;
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iter.stamp = store->stamp;
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iter.user_data = GINT_TO_POINTER (node_idx);
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gtk_tree_model_row_has_child_toggled (GTK_TREE_MODEL (store), path, &iter);
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}
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