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netsurf/gtk/completion.c

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/*
* Copyright 2006 Rob Kendrick <rjek@rjek.com>
*
* 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
* Implementation of url entry completion.
*/
#include <gtk/gtk.h>
#include "content/urldb.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/utils.h"
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#include "utils/nsoption.h"
#include "desktop/searchweb.h"
#include "desktop/browser.h"
#include "gtk/window.h"
#include "gtk/completion.h"
GtkListStore *nsgtk_completion_list;
/**
* completion row matcher
*/
static gboolean nsgtk_completion_match(GtkEntryCompletion *completion,
const gchar *key,
GtkTreeIter *iter,
gpointer user_data)
{
/* the completion list is modified to only contain valid
* entries so this simply returns TRUE to indicate all rows
* are in the list should be shown.
*/
return TRUE;
}
/**
* callback for each entry to add to completion list
*/
static bool
nsgtk_completion_udb_callback(nsurl *url, const struct url_data *data)
{
GtkTreeIter iter;
if (data->visits != 0) {
gtk_list_store_append(nsgtk_completion_list, &iter);
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gtk_list_store_set(nsgtk_completion_list, &iter, 0,
nsurl_access(url), -1);
}
return true;
}
/**
* event handler for when a completion suggestion is selected.
*/
static gboolean
nsgtk_completion_match_select(GtkEntryCompletion *widget,
GtkTreeModel *model,
GtkTreeIter *iter,
gpointer user_data)
{
GValue value = {0, };
struct nsgtk_scaffolding *g = user_data;
struct browser_window *bw = nsgtk_get_browser_window(nsgtk_scaffolding_top_level(g));
nserror ret;
nsurl *url;
gtk_tree_model_get_value(model, iter, 0, &value);
ret = search_web_omni(g_value_get_string(&value),
SEARCH_WEB_OMNI_NONE,
&url);
g_value_unset(&value);
if (ret == NSERROR_OK) {
ret = browser_window_navigate(bw,
url, NULL, BW_NAVIGATE_HISTORY,
NULL, NULL, NULL);
nsurl_unref(url);
}
if (ret != NSERROR_OK) {
warn_user(messages_get_errorcode(ret), 0);
}
return TRUE;
}
/* exported interface documented in completion.h */
void nsgtk_completion_init(void)
{
nsgtk_completion_list = gtk_list_store_new(1, G_TYPE_STRING);
}
/* exported interface documented in completion.h */
gboolean nsgtk_completion_update(GtkEntry *entry)
{
gtk_list_store_clear(nsgtk_completion_list);
if (nsoption_bool(url_suggestion) == true) {
urldb_iterate_partial(gtk_entry_get_text(entry),
nsgtk_completion_udb_callback);
}
return TRUE;
}
/* exported interface documented in completion.h */
GtkEntryCompletion *nsgtk_url_entry_completion_new(struct nsgtk_scaffolding *gs)
{
GtkEntryCompletion *completion;
completion = gtk_entry_completion_new();
gtk_entry_completion_set_match_func(completion,
nsgtk_completion_match, NULL, NULL);
gtk_entry_completion_set_model(completion,
GTK_TREE_MODEL(nsgtk_completion_list));
gtk_entry_completion_set_text_column(completion, 0);
gtk_entry_completion_set_minimum_key_length(completion, 1);
/* enable popup for completion */
gtk_entry_completion_set_popup_completion(completion, TRUE);
/* when selected callback */
g_signal_connect(G_OBJECT(completion), "match-selected",
G_CALLBACK(nsgtk_completion_match_select), gs);
g_object_set(G_OBJECT(completion),
"popup-set-width", TRUE,
"popup-single-match", TRUE,
NULL);
return completion;
}