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#include "gtk_statistics.h"
#include <math.h>
/**
* Update view (add more points).
*/
static gboolean
update (GtkWidget * widget, GdkEvent * event, gpointer user_data)
{
static unsigned int i = 600;
struct GtkStatistics *statistics = user_data;
gtk_statistics_update_value (GTK_STATISTICS (statistics), "sin", i,
(uint64_t) (500 * (1.0 + sin (i / 100.0))));
gtk_statistics_update_value (GTK_STATISTICS (statistics), "cos", i * 2,
(uint64_t) (i * (1.0 + cos (i / 100.0))));
i++;
return FALSE;
}
int
main (int argc, char **argv)
{
GtkWidget *window;
GtkWidget *statistics;
unsigned int i;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "STATISTICS widget");
gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
gtk_window_set_default_size (GTK_WINDOW (window), 400, 200);
g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (gtk_main_quit),
NULL);
statistics = gtk_statistics_new ();
gtk_statistics_add_line (GTK_STATISTICS (statistics), "sin", "sin", "red");
for (i = 0; i < 600; i++)
gtk_statistics_update_value (GTK_STATISTICS (statistics), "sin", i,
(uint64_t) (500 * (1.0 + sin (i / 100.0))));
gtk_statistics_add_line (GTK_STATISTICS (statistics), "cos", "cos", "blue");
for (i = 0; i < 600; i++)
gtk_statistics_update_value (GTK_STATISTICS (statistics), "cos", i * 2,
(uint64_t) (i * (1.0 + cos (i / 100.0))));
g_signal_connect (G_OBJECT (window), "motion-notify-event",
G_CALLBACK (update), statistics);
gtk_container_add (GTK_CONTAINER (window), statistics);
gtk_widget_add_events (GTK_WIDGET (window), GDK_POINTER_MOTION_MASK);
gtk_widget_show (statistics);
gtk_widget_show_all (window);
gtk_main ();
return 0;
}
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