static void gtk_cpu_paint(GtkWidget *widget)
{
cairo_t *cr;
cr = gdk_cairo_create(widget->window);
cairo_translate(cr, 0, 7);
cairo_set_source_rgb(cr, 0, 0, 0);
cairo_paint(cr);
gint pos = GTK_CPU(widget)->sel;
gint rect = pos / 5;
cairo_set_source_rgb(cr, 0.2, 0.4, 0);
gint i;
for (i = 1; i <= 20; i++) {
if (i > 20 - rect) {
cairo_set_source_rgb(cr, 0.6, 1.0, 0);
}
else {
cairo_set_source_rgb(cr, 0.2, 0.4, 0);
}
cairo_rectangle(cr, 8, i*4, 30, 3);
cairo_rectangle(cr, 42, i*4, 30, 3);
cairo_fill(cr);
}
cairo_destroy(cr);
}
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);
}
static void gtk_cpu_destroy(GtkObject *object)
{
GtkCpu *cpu;
GtkCpuClass *klass;
g_return_if_fail(object != NULL);
g_return_if_fail(GTK_IS_CPU(object));
cpu = GTK_CPU(object);
klass = gtk_type_class(gtk_widget_get_type());
if (GTK_OBJECT_CLASS(klass)->destroy) {
(*GTK_OBJECT_CLASS(klass)->destroy) (object);
}
}
