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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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