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/* $Id: full.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <gtk/gtk.h>
#include <gtkdatabox.h>
#include <gtkdatabox_points.h>
#include <gtkdatabox_ruler.h>
#include <math.h>
#define POINTS 2000
#define STEPS 50
#define BARS 25
#define MARKER 10
/*----------------------------------------------------------------
* databox full
*----------------------------------------------------------------*/
static void
create_full (void)
{
GtkWidget *window = NULL;
GtkWidget *vbox;
GtkWidget *close_button;
GtkWidget *box;
GtkWidget *label;
GtkWidget *separator;
GtkWidget *table;
GtkDataboxGraph *graph;
guint *X;
gdouble *Y;
GdkRGBA color;
gint i;
/* We define some data */
X = g_new0 (guint, POINTS);
Y = g_new0 (gdouble, POINTS);
for (i = 0; i < POINTS; i++)
{
X[i] = i;
Y[i] = sin (i * 4 * G_PI / POINTS);
}
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_widget_set_size_request (window, 500, 500);
g_signal_connect (G_OBJECT (window), "destroy",
G_CALLBACK (gtk_main_quit), NULL);
gtk_window_set_title (GTK_WINDOW (window), "GtkDatabox: Basics");
gtk_container_set_border_width (GTK_CONTAINER (window), 0);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (window), vbox);
label =
gtk_label_new
("\nThe code for this example demonstrates\n the simplet way to use a GtkDatabox widget.\n\nUsage:\nDraw a selection with the left button pressed,\nThan click into the selection.\nUse the right mouse button to zoom out.\nShift+ right mouse button zooms to default.\n\nMouse scroll-wheel: \n*Holding Ctrl+ scrollwheel zooms in/out. \nScroll-wheel moves up/down. \n*Holding Shift+ scroll-wheel moves left/right in the plot.");
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
separator = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
gtk_box_pack_start (GTK_BOX (vbox), separator, FALSE, FALSE, 0);
/* -----------------------------------------------------------------
* This is all you need:
* -----------------------------------------------------------------
*/
/* Create the GtkDatabox widget */
gtk_databox_create_box_with_scrollbars_and_rulers (&box, &table,
TRUE, TRUE, TRUE, TRUE);
/* Put it somewhere */
gtk_box_pack_start (GTK_BOX (vbox), table, TRUE, TRUE, 0);
/* Add your data data in some color */
color.red = 0;
color.green = 0;
color.blue = 0;
color.alpha = 1;
graph = gtk_databox_points_new_full (POINTS, POINTS,
X, 0, 1, G_TYPE_UINT,
Y, 0, 1, G_TYPE_DOUBLE,
&color, 1);
gtk_databox_graph_add (GTK_DATABOX (box), graph);
gtk_databox_set_total_limits (GTK_DATABOX (box), -1000., 5000., -10000., 23000.);
gtk_databox_auto_rescale (GTK_DATABOX (box), 0.05);
/* -----------------------------------------------------------------
* Done :-)
* -----------------------------------------------------------------
*/
separator = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
gtk_box_pack_start (GTK_BOX (vbox), separator, FALSE, TRUE, 0);
close_button = gtk_button_new_with_label ("close");
g_signal_connect_swapped (G_OBJECT (close_button), "clicked",
G_CALLBACK (gtk_main_quit), G_OBJECT (box));
gtk_box_pack_start (GTK_BOX (vbox), close_button, FALSE, FALSE, 0);
gtk_widget_set_can_default(close_button, TRUE);
gtk_widget_grab_default (close_button);
gtk_widget_grab_focus (close_button);
gtk_widget_show_all (window);
gdk_window_set_cursor (gtk_widget_get_window(box), gdk_cursor_new_for_display (gdk_display_get_default (), GDK_CROSS));
}
gint
main (gint argc, char *argv[])
{
gtk_init (&argc, &argv);
create_full ();
gtk_main ();
return 0;
}
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