/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Jeffrey Stedfast <fejj@ximian.com>
*
* Copyright 2003 Ximian, Inc. (www.ximian.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "em-marshal.h"
#include "em-folder-tree-model.h"
/* GObject virtual method overrides */
static void em_folder_tree_model_class_init (EMFolderTreeModelClass *klass);
static void em_folder_tree_model_init (EMFolderTreeModel *model);
static void em_folder_tree_model_finalize (GObject *obj);
/* interface init methods */
static void tree_model_iface_init (GtkTreeModelIface *iface);
static void tree_drag_dest_iface_init (GtkTreeDragDestIface *iface);
static void tree_drag_source_iface_init (GtkTreeDragSourceIface *iface);
/* drag & drop iface methods */
static gboolean model_drag_data_received (GtkTreeDragDest *drag_dest,
GtkTreePath *dest_path,
GtkSelectionData *selection_data);
static gboolean model_row_drop_possible (GtkTreeDragDest *drag_dest,
GtkTreePath *dest_path,
GtkSelectionData *selection_data);
static gboolean model_row_draggable (GtkTreeDragSource *drag_source,
GtkTreePath *src_path);
static gboolean model_drag_data_get (GtkTreeDragSource *drag_source,
GtkTreePath *src_path,
GtkSelectionData *selection_data);
static gboolean model_drag_data_delete (GtkTreeDragSource *drag_source,
GtkTreePath *src_path);
enum {
DRAG_DATA_RECEIVED,
ROW_DROP_POSSIBLE,
ROW_DRAGGABLE,
DRAG_DATA_GET,
DRAG_DATA_DELETE,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0, };
static GtkTreeStore *parent_class = NULL;
GType
em_folder_tree_model_get_type (void)
{
static GType type = 0;
if (!type) {
static const GTypeInfo info = {
sizeof (EMFolderTreeModelClass),
NULL, /* base_class_init */
NULL, /* base_class_finalize */
(GClassInitFunc) em_folder_tree_model_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (EMFolderTreeModel),
0, /* n_preallocs */
(GInstanceInitFunc) em_folder_tree_model_init,
};
static const GInterfaceInfo tree_model_info = {
(GInterfaceInitFunc) tree_model_iface_init,
NULL,
NULL
};
static const GInterfaceInfo drag_dest_info = {
(GInterfaceInitFunc) tree_drag_dest_iface_init,
NULL,
NULL
};
static const GInterfaceInfo drag_source_info = {
(GInterfaceInitFunc) tree_drag_source_iface_init,
NULL,
NULL
};
type = g_type_register_static (GTK_TYPE_TREE_STORE, "EMFolderTreeModel", &info, 0);
g_type_add_interface_static (type, GTK_TYPE_TREE_MODEL,
&tree_model_info);
g_type_add_interface_static (type, GTK_TYPE_TREE_DRAG_DEST,
&drag_dest_info);
g_type_add_interface_static (type, GTK_TYPE_TREE_DRAG_SOURCE,
&drag_source_info);
}
return type;
}
static void
em_folder_tree_model_class_init (EMFolderTreeModelClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_ref (GTK_TYPE_TREE_STORE);
object_class->finalize = em_folder_tree_model_finalize;
/* signals */
signals[DRAG_DATA_RECEIVED] =
g_signal_new ("drag-data-received",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_NO_HOOKS,
G_STRUCT_OFFSET (EMFolderTreeModelClass, drag_data_received),
NULL, NULL,
em_marshal_BOOLEAN__POINTER_POINTER,
G_TYPE_BOOLEAN, 2,
G_TYPE_POINTER,
G_TYPE_POINTER);
signals[ROW_DROP_POSSIBLE] =
g_signal_new ("row-drop-possible",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_NO_HOOKS,
G_STRUCT_OFFSET (EMFolderTreeModelClass, row_drop_possible),
NULL, NULL,
em_marshal_BOOLEAN__POINTER_POINTER,
G_TYPE_BOOLEAN, 2,
G_TYPE_POINTER,
G_TYPE_POINTER);
signals[ROW_DRAGGABLE] =
g_signal_new ("row-draggable",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_NO_HOOKS,
G_STRUCT_OFFSET (EMFolderTreeModelClass, row_draggable),
NULL, NULL,
em_marshal_BOOLEAN__POINTER,
G_TYPE_BOOLEAN, 1,
G_TYPE_POINTER);
signals[DRAG_DATA_GET] =
g_signal_new ("drag-data-get",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_NO_HOOKS,
G_STRUCT_OFFSET (EMFolderTreeModelClass, drag_data_get),
NULL, NULL,
em_marshal_BOOLEAN__POINTER_POINTER,
G_TYPE_BOOLEAN, 2,
G_TYPE_POINTER,
G_TYPE_POINTER);
signals[DRAG_DATA_DELETE] =
g_signal_new ("drag-data-delete",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_NO_HOOKS,
G_STRUCT_OFFSET (EMFolderTreeModelClass, drag_data_delete),
NULL, NULL,
em_marshal_BOOLEAN__POINTER,
G_TYPE_BOOLEAN, 1,
G_TYPE_POINTER);
}
static void
em_folder_tree_model_init (EMFolderTreeModel *model)
{
;
}
static void
em_folder_tree_model_finalize (GObject *obj)
{
G_OBJECT_CLASS (parent_class)->finalize (obj);
}
static void
tree_model_iface_init (GtkTreeModelIface *iface)
{
;
}
static void
tree_drag_dest_iface_init (GtkTreeDragDestIface *iface)
{
iface->drag_data_received = model_drag_data_received;
iface->row_drop_possible = model_row_drop_possible;
}
static void
tree_drag_source_iface_init (GtkTreeDragSourceIface *iface)
{
iface->row_draggable = model_row_draggable;
iface->drag_data_get = model_drag_data_get;
iface->drag_data_delete = model_drag_data_delete;
}
static gboolean
model_drag_data_received (GtkTreeDragDest *drag_dest, GtkTreePath *dest_path, GtkSelectionData *selection_data)
{
EMFolderTreeModel *model = (EMFolderTreeModel *) drag_dest;
gboolean retval = FALSE;
g_signal_emit (model, signals[DRAG_DATA_RECEIVED], 0, &retval, dest_path, selection_data);
return retval;
}
static gboolean
model_row_drop_possible (GtkTreeDragDest *drag_dest, GtkTreePath *dest_path, GtkSelectionData *selection_data)
{
EMFolderTreeModel *model = (EMFolderTreeModel *) drag_dest;
gboolean retval = FALSE;
g_signal_emit (model, signals[ROW_DROP_POSSIBLE], 0, &retval, dest_path, selection_data);
return retval;
}
static gboolean
model_row_draggable (GtkTreeDragSource *drag_source, GtkTreePath *src_path)
{
EMFolderTreeModel *model = (EMFolderTreeModel *) drag_source;
gboolean retval = FALSE;
g_signal_emit (model, signals[ROW_DRAGGABLE], 0, &retval, src_path);
return retval;
}
static gboolean
model_drag_data_get (GtkTreeDragSource *drag_source, GtkTreePath *src_path, GtkSelectionData *selection_data)
{
EMFolderTreeModel *model = (EMFolderTreeModel *) drag_source;
gboolean retval = FALSE;
g_signal_emit (model, signals[DRAG_DATA_GET], 0, &retval, src_path, selection_data);
return retval;
}
static gboolean
model_drag_data_delete (GtkTreeDragSource *drag_source, GtkTreePath *src_path)
{
EMFolderTreeModel *model = (EMFolderTreeModel *) drag_source;
gboolean retval = FALSE;
g_signal_emit (model, signals[DRAG_DATA_DELETE], 0, &retval, src_path);
return retval;
}
EMFolderTreeModel *
em_folder_tree_model_new (int n_columns, GType *types)
{
EMFolderTreeModel *model;
model = g_object_new (EM_TYPE_FOLDER_TREE_MODEL, NULL);
gtk_tree_store_set_column_types ((GtkTreeStore *) model, n_columns, types);
return model;
}
