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/*
* Copyright 2009 Mark Benjamin <netsurf-browser.org.MarkBenjamin@dfgh.net>
*
* 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/>.
*/
#ifndef _NETSURF_RENDER_SEARCH_H_
#define _NETSURF_RENDER_SEARCH_H_
#include <ctype.h>
#include <string.h>
#include "desktop/search.h"
struct search_context;
/**
* Called when a search context is destroyed
* \param context search context being invalidated
* \param p pointer for client data
*/
typedef void (*search_invalidate_callback)(struct search_context *context,
void *p);
struct search_callbacks {
struct gui_search_callbacks *gui;
void *gui_p; /* private gui owned data */
search_invalidate_callback invalidate;
void *p; /* private client data */
};
/**
* create a search_context
*
* \param h the hlcache_handle the search_context is connected to
* \param callbacks the callbacks to modify appearance according to results
* \param p the pointer to send to the callbacks
* \return true for success
*/
struct search_context * search_create_context(struct hlcache_handle *h,
struct search_callbacks callbacks);
/**
* Ends the search process, invalidating all state
* freeing the list of found boxes
*/
void search_destroy_context(struct search_context *context);
/**
* Begins/continues the search process
* Note that this may be called many times for a single search.
*
* \param bw the browser_window to search in
* \param flags the flags forward/back etc
* \param string the string to match
*/
void search_step(struct search_context *context, search_flags_t flags,
const char * string);
/**
* Specifies whether all matches or just the current match should
* be highlighted in the search text.
*/
void search_show_all(bool all, struct search_context *context);
/**
* Determines whether any portion of the given text box should be
* selected because it matches the current search string.
*
* \param bw browser window
* \param start_offset byte offset within text of string to be checked
* \param end_offset byte offset within text
* \param start_idx byte offset within string of highlight start
* \param end_idx byte offset of highlight end
* \return true iff part of the box should be highlighted
*/
bool search_term_highlighted(struct content *c,
unsigned start_offset, unsigned end_offset,
unsigned *start_idx, unsigned *end_idx,
struct search_context *context);
#endif
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