/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; coding: utf-8 -*- */

/* gtksourcebufferinternal.c

 * This file is part of GtkSourceView

 *

 * Copyright (C) 2016 - Sébastien Wilmet <swilmet@gnome.org>

 *

 * GtkSourceView 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 2.1 of the License, or (at your option) any later version.

 *

 * GtkSourceView 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, write to the Free Software

 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include "gtksourcebufferinternal.h"

#include "gtksourcebuffer.h"

#include "gtksourcesearchcontext.h"

/* A private extension of GtkSourceBuffer, to add private signals and

 * properties.

 */

struct _GtkSourceBufferInternal

{

	GObject parent_instance;

};

enum

{

	SIGNAL_SEARCH_START,

	N_SIGNALS

};

#define GTK_SOURCE_BUFFER_INTERNAL_KEY "gtk-source-buffer-internal-key"

static guint signals[N_SIGNALS];

G_DEFINE_TYPE (GtkSourceBufferInternal, _gtk_source_buffer_internal, G_TYPE_OBJECT)

static void

_gtk_source_buffer_internal_class_init (GtkSourceBufferInternalClass *klass)

{

	GObjectClass *object_class = G_OBJECT_CLASS (klass);

	/*

	 * GtkSourceBufferInternal::search-start:

	 * @buffer_internal: the object that received the signal.

	 * @search_context: the #GtkSourceSearchContext.

	 *

	 * The ::search-start signal is emitted when a search is starting.

	 */

	signals[SIGNAL_SEARCH_START] =

		g_signal_new ("search-start",

			      G_OBJECT_CLASS_TYPE (object_class),

			      G_SIGNAL_RUN_LAST,

			      0,

			      NULL, NULL, NULL,

			      G_TYPE_NONE,

			      1, GTK_SOURCE_TYPE_SEARCH_CONTEXT);

}

static void

_gtk_source_buffer_internal_init (GtkSourceBufferInternal *buffer_internal)

{

}

/*

 * _gtk_source_buffer_internal_get_from_buffer:

 * @buffer: a #GtkSourceBuffer.

 *

 * Returns the #GtkSourceBufferInternal object of @buffer. The returned object

 * is guaranteed to be the same for the lifetime of @buffer.

 *

 * Returns: (transfer none): the #GtkSourceBufferInternal object of @buffer.

 */

GtkSourceBufferInternal *

_gtk_source_buffer_internal_get_from_buffer (GtkSourceBuffer *buffer)

{

	GtkSourceBufferInternal *buffer_internal;

	g_return_val_if_fail (GTK_SOURCE_IS_BUFFER (buffer), NULL);

	buffer_internal = g_object_get_data (G_OBJECT (buffer), GTK_SOURCE_BUFFER_INTERNAL_KEY);

	if (buffer_internal == NULL)

	{

		buffer_internal = g_object_new (GTK_SOURCE_TYPE_BUFFER_INTERNAL, NULL);

		g_object_set_data_full (G_OBJECT (buffer),

					GTK_SOURCE_BUFFER_INTERNAL_KEY,

					buffer_internal,

					g_object_unref);

	}

	g_return_val_if_fail (GTK_SOURCE_IS_BUFFER_INTERNAL (buffer_internal), NULL);

	return buffer_internal;

}

void

_gtk_source_buffer_internal_emit_search_start (GtkSourceBufferInternal *buffer_internal,

					       GtkSourceSearchContext  *search_context)

{

	g_return_if_fail (GTK_SOURCE_IS_BUFFER_INTERNAL (buffer_internal));

	g_return_if_fail (GTK_SOURCE_IS_SEARCH_CONTEXT (search_context));

	g_signal_emit (buffer_internal,

		       signals[SIGNAL_SEARCH_START],

		       0,

		       search_context);

}