137 lines
3.6 KiB
C
137 lines
3.6 KiB
C
/*
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* Copyright 2004 John M Bell <jmb202@ecs.soton.ac.uk>
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* Copyright 2005 Adrian Lees <adrianl@users.sourceforge.net>
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* Copyright 2009 Mark Benjamin <netsurf-browser.org.MarkBenjamin@dfgh.net>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file
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* Free text search (core)
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*/
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#include "utils/config.h"
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#include <ctype.h>
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#include <string.h>
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#include <dom/dom.h>
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#include "content/content.h"
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#include "content/hlcache.h"
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#include "desktop/browser_private.h"
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#include "desktop/gui.h"
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#include "desktop/options.h"
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#include "desktop/search.h"
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#include "desktop/selection.h"
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#include "render/box.h"
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#include "render/html.h"
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#include "render/search.h"
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#include "render/textplain.h"
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#include "utils/config.h"
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#include "utils/log.h"
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#include "utils/messages.h"
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#include "utils/url.h"
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#include "utils/utils.h"
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/* callback informing us that a search context is nolonger valid */
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static void browser_window_search_invalidate(struct search_context *context,
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void *p)
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{
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struct browser_window *bw = p;
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assert(bw != NULL);
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if (bw->cur_search != NULL && bw->cur_search == context) {
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/* The browser's current search is the one being invalidated */
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bw->cur_search = NULL;
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}
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}
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bool browser_window_search_create_context(struct browser_window *bw,
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struct gui_search_callbacks *gui_callbacks, void *gui_p)
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{
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struct search_callbacks callbacks;
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assert(bw != NULL);
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assert(gui_callbacks != NULL);
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if (bw->cur_search != NULL)
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search_destroy_context(bw->cur_search);
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bw->cur_search = NULL;
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if (!bw->current_content)
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return false;
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callbacks.gui = gui_callbacks;
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callbacks.gui_p = gui_p;
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callbacks.invalidate = browser_window_search_invalidate;
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callbacks.p = bw;
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bw->cur_search = search_create_context(bw->current_content, callbacks);
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if (bw->cur_search == NULL)
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return false;
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return true;
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}
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void browser_window_search_destroy_context(struct browser_window *bw)
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{
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assert(bw != NULL);
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if (bw->cur_search != NULL)
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search_destroy_context(bw->cur_search);
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bw->cur_search = NULL;
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}
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/**
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* to simplify calls to search_step(); checks that the browser_window is
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* non-NULL, creates a new search_context in case of a new search
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* \param bw the browser_window the search refers to
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* \param callbacks the callbacks to modify appearance according to results
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* \param gui_p a pointer returned to the callbacks
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* \return true for success
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*/
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bool browser_window_search_verify_new(struct browser_window *bw,
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struct gui_search_callbacks *gui_callbacks, void *gui_p)
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{
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if (bw == NULL)
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return false;
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if (bw->cur_search == NULL)
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return browser_window_search_create_context(bw,
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gui_callbacks, gui_p);
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return true;
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}
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void browser_window_search_step(struct browser_window *bw,
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search_flags_t flags, const char *string)
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{
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assert(bw != NULL);
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if (bw->cur_search != NULL)
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search_step(bw->cur_search, flags, string);
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}
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void browser_window_search_show_all(bool all, struct browser_window *bw)
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{
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assert(bw != NULL);
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if (bw->cur_search != NULL)
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search_show_all(all, bw->cur_search);
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}
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