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/*
* Copyright 2012 - 2013 Michael Drake <tlsa@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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, see <http://www.gnu.org/licenses/>.
*/
/** \file
* Treeview handling (interface).
*/
#ifndef _NETSURF_DESKTOP_TREEVIEW_H_
#define _NETSURF_DESKTOP_TREEVIEW_H_
#include <stdbool.h>
#include <stdint.h>
#include "desktop/core_window.h"
#include "utils/types.h"
struct treeview;
struct treeview_node;
enum treeview_relationship {
TREE_REL_CHILD,
TREE_REL_SIBLING_NEXT
};
enum treeview_msg {
TREE_MSG_NODE_DELETE,
TREE_MSG_FIELD_EDIT
};
struct treeview_node_msg {
enum treeview_msg msg; /**< The message type */
union {
struct {
struct treeview_node *node;
} node_delete;
struct {
struct treeview_node *node;
lwc_string *feild;
const char *text;
} field_edit;
} data; /**< The message data. */
};
enum treeview_field_flags {
TREE_FLAG_NONE = 0, /**< No flags set */
TREE_FLAG_ALLOW_EDIT = (1 << 0), /**< Whether allow edit field */
TREE_FLAG_DEFAULT = (1 << 1), /**< Whether field is default */
TREE_FLAG_SHOW_NAME = (1 << 2) /**< Whether field name shown */
};
struct treeview_field_desc {
lwc_string *field;
enum treeview_field_flags flags;
};
struct treeview_field_data {
lwc_string *field;
const char *value;
size_t value_len;
};
struct treeview_callback_table {
nserror (*folder)(struct treeview_node_msg msg, void *data);
nserror (*entry)(struct treeview_node_msg msg, void *data);
};
nserror treeview_init(void);
nserror treeview_fini(void);
nserror treeview_create(struct treeview **tree,
const struct treeview_callback_table *callbacks,
int n_fields, struct treeview_field_desc fields[],
const struct core_window_callback_table *cw_t,
const struct core_window *cw);
nserror treeview_destroy(struct treeview *tree);
nserror treeview_create_node_folder(struct treeview *tree,
struct treeview_node **folder,
struct treeview_node *relation,
enum treeview_relationship rel,
const struct treeview_field_data *field,
void *data);
nserror treeview_create_node_entry(struct treeview *tree,
struct treeview_node **entry,
struct treeview_node *relation,
enum treeview_relationship rel,
const struct treeview_field_data fields[],
void *data);
nserror treeview_update_node_entry(struct treeview *tree,
struct treeview_node *entry,
const struct treeview_field_data fields[],
void *data);
nserror treeview_delete_node(struct treeview_node *n);
nserror treeview_node_expand(struct treeview *tree,
struct treeview_node *node);
nserror treeview_node_contract(struct treeview *tree,
struct treeview_node *node);
void treeview_redraw(struct treeview *tree, int x, int y, struct rect *clip,
const struct redraw_context *ctx);
struct treeview_node * treeview_get_root(struct treeview *tree);
#endif
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