/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Copyright (C) 2001-2002 CodeFactory AB
 * Copyright (C) 2001-2002 Richard Hult <rhult@codefactory.se>
 * Copyright (C) 2001-2002 Mikael Hallendal <micke@codefactory.se>
 *
 * This program 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; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program 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, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef __MG_GANTT_CHART_H__
#define __MG_GANTT_CHART_H__

#include <gtk/gtkwidget.h>
#include <gtk/gtkvbox.h>
#include <gtk/gtktreemodel.h>
#include <libgnomecanvas/gnome-canvas.h>

#define MG_TYPE_GANTT_CHART		(mg_gantt_chart_get_type ())
#define MG_GANTT_CHART(obj)		(GTK_CHECK_CAST ((obj), MG_TYPE_GANTT_CHART, MgGanttChart))
#define MG_GANTT_CHART_CLASS(klass)	(GTK_CHECK_CLASS_CAST ((klass), MG_TYPE_GANTT_CHART, MgGanttChartClass))
#define MG_IS_GANTT_CHART(obj)		(GTK_CHECK_TYPE ((obj), MG_TYPE_GANTT_CHART))
#define MG_IS_GANTT_CHART_CLASS(klass)	(GTK_CHECK_CLASS_TYPE ((obj), MG_TYPE_GANTT_CHART))
#define MG_GANTT_CHART_GET_CLASS(obj)	(GTK_CHECK_GET_CLASS ((obj), MG_TYPE_GANTT_CHART, MgGanttChartClass))

typedef struct _MgGanttChart           MgGanttChart;
typedef struct _MgGanttChartClass      MgGanttChartClass;
typedef struct _MgGanttChartPriv       MgGanttChartPriv;

struct _MgGanttChart
{
	GtkVBox           parent;
	MgGanttChartPriv *priv;
};

struct _MgGanttChartClass
{
	GtkVBoxClass parent_class;

	void  (* set_scroll_adjustments) (MgGanttChart  *chart,
					  GtkAdjustment *hadjustment,
					  GtkAdjustment *vadjustment);
};


GType            mg_gantt_chart_get_type         (void);

GtkWidget       *mg_gantt_chart_new              (void);

GtkWidget       *mg_gantt_chart_new_with_model   (GtkTreeModel  *model);

GtkTreeModel    *mg_gantt_chart_get_model        (MgGanttChart  *tree_view);

void             mg_gantt_chart_set_model        (MgGanttChart  *tree_view,
						  GtkTreeModel  *model);

void             mg_gantt_chart_expand_row       (MgGanttChart  *chart,
						  GtkTreePath   *path);

void             mg_gantt_chart_collapse_row     (MgGanttChart  *chart,
						  GtkTreePath   *path);

void             mg_gantt_chart_scroll_to        (MgGanttChart  *chart,
						  time_t         t);

void             mg_gantt_chart_zoom_in          (MgGanttChart  *chart);

void             mg_gantt_chart_zoom_out         (MgGanttChart  *chart);

void             mg_gantt_chart_zoom_to_fit      (MgGanttChart  *chart);

gdouble          mg_gantt_chart_get_zoom         (MgGanttChart  *chart);

void             mg_gantt_chart_can_zoom         (MgGanttChart  *chart,
						  gboolean      *in,
						  gboolean      *out);

void             mg_gantt_chart_status_updated   (MgGanttChart  *chart,
						  const gchar   *message);

void             mg_gantt_chart_resource_clicked (MgGanttChart  *chart,
						  MrpResource   *resource);

void
mg_gantt_chart_set_highlight_critical_tasks      (MgGanttChart  *chart,
						  gboolean       state);

gboolean
mg_gantt_chart_get_highlight_critical_tasks      (MgGanttChart  *chart);


#endif /* __MG_GANTT_CHART_H__ */