gtk2/gtk/gtksearchenginemodel.c

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/*
* Copyright (C) 2015 Red Hat, Inc
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Author: Matthias Clasen <mclasen@redhat.com>
*/
#include "config.h"
#include <gio/gio.h>
#include <gdk/gdk.h>
#include "gtksearchenginemodelprivate.h"
#include "gtkprivate.h"
#include <string.h>
struct _GtkSearchEngineModel
{
GtkSearchEngine parent;
GtkFileSystemModel *model;
GtkQuery *query;
guint idle;
};
struct _GtkSearchEngineModelClass
{
GtkSearchEngineClass parent_class;
};
G_DEFINE_TYPE (GtkSearchEngineModel, _gtk_search_engine_model, GTK_TYPE_SEARCH_ENGINE)
static void
gtk_search_engine_model_dispose (GObject *object)
{
GtkSearchEngineModel *model = GTK_SEARCH_ENGINE_MODEL (object);
g_clear_object (&model->query);
g_clear_object (&model->model);
G_OBJECT_CLASS (_gtk_search_engine_model_parent_class)->dispose (object);
}
static gboolean
info_matches_query (GtkQuery *query,
GFileInfo *info)
{
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const char *display_name;
display_name = g_file_info_get_display_name (info);
if (display_name == NULL)
return FALSE;
if (g_file_info_get_is_hidden (info))
return FALSE;
if (!gtk_query_matches_string (query, display_name))
return FALSE;
return TRUE;
}
static gboolean
do_search (gpointer data)
{
GtkSearchEngineModel *model = data;
GtkTreeIter iter;
GList *hits = NULL;
gboolean got_results = FALSE;
if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (model->model), &iter))
{
do
{
GFileInfo *info;
info = _gtk_file_system_model_get_info (model->model, &iter);
if (info_matches_query (model->query, info))
{
GFile *file;
GtkSearchHit *hit;
file = _gtk_file_system_model_get_file (model->model, &iter);
hit = g_new (GtkSearchHit, 1);
hit->file = g_object_ref (file);
hit->info = g_object_ref (info);
hits = g_list_prepend (hits, hit);
}
}
while (gtk_tree_model_iter_next (GTK_TREE_MODEL (model->model), &iter));
if (hits)
{
_gtk_search_engine_hits_added (GTK_SEARCH_ENGINE (model), hits);
g_list_free_full (hits, (GDestroyNotify)_gtk_search_hit_free);
got_results = TRUE;
}
}
model->idle = 0;
_gtk_search_engine_finished (GTK_SEARCH_ENGINE (model), got_results);
return G_SOURCE_REMOVE;
}
static void
gtk_search_engine_model_start (GtkSearchEngine *engine)
{
GtkSearchEngineModel *model;
model = GTK_SEARCH_ENGINE_MODEL (engine);
if (model->query == NULL)
return;
model->idle = g_idle_add (do_search, engine);
gdk_source_set_static_name_by_id (model->idle, "[gtk] gtk_search_engine_model_start");
}
static void
gtk_search_engine_model_stop (GtkSearchEngine *engine)
{
GtkSearchEngineModel *model;
model = GTK_SEARCH_ENGINE_MODEL (engine);
if (model->idle != 0)
{
g_source_remove (model->idle);
model->idle = 0;
}
}
static void
gtk_search_engine_model_set_query (GtkSearchEngine *engine,
GtkQuery *query)
{
GtkSearchEngineModel *model = GTK_SEARCH_ENGINE_MODEL (engine);
g_set_object (&model->query, query);
}
static void
_gtk_search_engine_model_class_init (GtkSearchEngineModelClass *class)
{
GObjectClass *gobject_class;
GtkSearchEngineClass *engine_class;
gobject_class = G_OBJECT_CLASS (class);
gobject_class->dispose = gtk_search_engine_model_dispose;
engine_class = GTK_SEARCH_ENGINE_CLASS (class);
engine_class->set_query = gtk_search_engine_model_set_query;
engine_class->start = gtk_search_engine_model_start;
engine_class->stop = gtk_search_engine_model_stop;
}
static void
_gtk_search_engine_model_init (GtkSearchEngineModel *engine)
{
}
GtkSearchEngine *
_gtk_search_engine_model_new (GtkFileSystemModel *model)
{
GtkSearchEngineModel *engine;
engine = GTK_SEARCH_ENGINE_MODEL (g_object_new (GTK_TYPE_SEARCH_ENGINE_MODEL, NULL));
engine->model = g_object_ref (model);
return GTK_SEARCH_ENGINE (engine);
}