/* main.c */

#include "cpu.h"


static void set_value(GtkWidget * widget, gpointer data)
{
  GdkRegion *region;

  GtkRange *range = (GtkRange *) widget;
  GtkWidget *cpu = (GtkWidget *) data;
  GTK_CPU(cpu)->sel = gtk_range_get_value(range);

  region = gdk_drawable_get_clip_region(cpu->window);
  gdk_window_invalidate_region(cpu->window, region, TRUE);
  gdk_window_process_updates(cpu->window, TRUE);
}


int main (int argc, char ** argv)
{
  GtkWidget *window;
  GtkWidget *cpu;
  GtkWidget *fixed;
  GtkWidget *scale;

  gtk_init(&argc, &argv);


  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  gtk_window_set_title(GTK_WINDOW(window), "CPU widget");
  gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
  gtk_window_set_default_size(GTK_WINDOW(window), 200, 180);


  g_signal_connect(G_OBJECT(window), "destroy", 
       G_CALLBACK(gtk_main_quit), NULL);

  fixed = gtk_fixed_new();
  gtk_container_add(GTK_CONTAINER(window), fixed);

  cpu = gtk_cpu_new();
  gtk_fixed_put(GTK_FIXED(fixed), cpu, 30, 40);


  scale = gtk_vscale_new_with_range(0.0, 100.0, 1.0);
  gtk_range_set_inverted(GTK_RANGE(scale), TRUE);
  gtk_scale_set_value_pos(GTK_SCALE(scale), GTK_POS_TOP);
  gtk_widget_set_size_request(scale, 50, 120);
  gtk_fixed_put(GTK_FIXED(fixed), scale, 130, 20);

  g_signal_connect(G_OBJECT(scale), "value_changed", 
      G_CALLBACK(set_value), (gpointer) cpu);

  gtk_widget_show(cpu);
  gtk_widget_show(fixed);
  gtk_widget_show_all(window);
  gtk_main();

  return 0;
}