File: gtkdatabox_cross_simple.c

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libgtkdatabox 1%3A0.9.2.0%2Bdfsg-1
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/* $Id: gtkdatabox_cross_simple.c 4 2008-06-22 09:19:11Z rbock $ */
/* GtkDatabox - An extension to the gtk+ library
 * Copyright (C) 1998 - 2008  Dr. Roland Bock
 *
 * This program 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.
 * 
 * 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 Lesser 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.
 */

#include <gtkdatabox_cross_simple.h>

static gpointer parent_class = NULL;

static void
cross_simple_finalize (GObject * object)
{
   gpointer pointer;
   GtkDataboxCrossSimple *cross_simple = GTK_DATABOX_CROSS_SIMPLE (object);

   g_free (cross_simple->priv);

   pointer = gtk_databox_xyc_graph_get_X (GTK_DATABOX_XYC_GRAPH (object));
   if (pointer)
      g_free (pointer);

   pointer = gtk_databox_xyc_graph_get_Y (GTK_DATABOX_XYC_GRAPH (object));
   if (pointer)
      g_free (pointer);

   /* Chain up to the parent class */
   G_OBJECT_CLASS (parent_class)->finalize (object);
}

static void
gtk_databox_cross_simple_class_init (gpointer g_class
				     /*, gpointer g_class_data */ )
{
   GObjectClass *gobject_class = G_OBJECT_CLASS (g_class);
   GtkDataboxCrossSimpleClass *klass =
      GTK_DATABOX_CROSS_SIMPLE_CLASS (g_class);

   parent_class = g_type_class_peek_parent (klass);

   gobject_class->finalize = cross_simple_finalize;
}

GType
gtk_databox_cross_simple_get_type (void)
{
   static GType type = 0;

   if (type == 0)
   {
      static const GTypeInfo info = {
	 sizeof (GtkDataboxCrossSimpleClass),
	 NULL,			/* base_init */
	 NULL,			/* base_finalize */
	 (GClassInitFunc) gtk_databox_cross_simple_class_init,	/* class_init */
	 NULL,			/* class_finalize */
	 NULL,			/* class_data */
	 sizeof (GtkDataboxCrossSimple),	/* instance_size */
	 0,			/* n_preallocs */
	 NULL,			/* instance_init */
	 NULL,			/* value_table */
      };
      type = g_type_register_static (GTK_DATABOX_TYPE_MARKERS,
				     "GtkDataboxCrossSimple", &info, 0);
   }

   return type;
}

/**
 * gtk_databox_cross_simple_new:
 * @color: color of the markers
 * @size: marker size or line width (depending on the @type)
 *
 * Creates a new #GtkDataboxCrossSimple object which can be added to a #GtkDatabox widget as nice decoration for other graphs.
 *
 * Return value: A new #GtkDataboxCrossSimple object
 **/
GtkDataboxGraph *
gtk_databox_cross_simple_new (GdkColor * color, guint size)
{
   GtkDataboxCrossSimple *cross_simple;
   gfloat *X = g_new0 (gfloat, 2);
   gfloat *Y = g_new0 (gfloat, 2);
   gint len = 2;

   cross_simple = g_object_new (GTK_DATABOX_TYPE_CROSS_SIMPLE,
				"markers-type", GTK_DATABOX_MARKERS_SOLID_LINE,
				"X-Values", X,
				"Y-Values", Y,
				"length", len,
				"color", color, "size", size, NULL);

   gtk_databox_markers_set_position (GTK_DATABOX_MARKERS (cross_simple), 0,
				    GTK_DATABOX_MARKERS_C);
   gtk_databox_markers_set_label (GTK_DATABOX_MARKERS (cross_simple), 0,
				 GTK_DATABOX_MARKERS_TEXT_SW, "0", FALSE);
   gtk_databox_markers_set_position (GTK_DATABOX_MARKERS (cross_simple), 1,
				    GTK_DATABOX_MARKERS_W);

   return GTK_DATABOX_GRAPH (cross_simple);
}