static void gtk_cpu_realize(GtkWidget *widget)
{
GdkWindowAttr attributes;
guint attributes_mask;
g_return_if_fail(widget != NULL);
g_return_if_fail(GTK_IS_CPU(widget));
GTK_WIDGET_SET_FLAGS(widget, GTK_REALIZED);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = widget->allocation.x;
attributes.y = widget->allocation.y;
attributes.width = 80;
attributes.height = 100;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.event_mask = gtk_widget_get_events(widget) | GDK_EXPOSURE_MASK;
attributes_mask = GDK_WA_X | GDK_WA_Y;
widget->window = gdk_window_new(
gtk_widget_get_parent_window(widget),
&attributes, attributes_mask
);
gdk_window_set_user_data(widget->window, widget);
widget->style = gtk_style_attach(widget->style, widget->window);
gtk_style_set_background(widget->style, widget->window, GTK_STATE_NORMAL);
}
static void gtk_cpu_size_request(GtkWidget *widget,
GtkRequisition *requisition)
{
g_return_if_fail(widget != NULL);
g_return_if_fail(GTK_IS_CPU(widget));
g_return_if_fail(requisition != NULL);
requisition->width = 80;
requisition->height = 100;
}
static gboolean gtk_cpu_expose(GtkWidget * widget, GdkEventExpose * event)
{
g_return_val_if_fail(widget != NULL, FALSE);
g_return_val_if_fail(GTK_IS_CPU(widget), FALSE);
g_return_val_if_fail(event != NULL, FALSE);
gtk_cpu_paint(widget);
return FALSE;
}
static void
gtk_cpu_size_allocate(GtkWidget * widget, GtkAllocation * allocation)
{
g_return_if_fail(widget != NULL);
g_return_if_fail(GTK_IS_CPU(widget));
g_return_if_fail(allocation != NULL);
widget->allocation = *allocation;
if (GTK_WIDGET_REALIZED(widget)) {
gdk_window_move_resize(widget->window,
allocation->x, allocation->y,
allocation->width, allocation->height);
}
}
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);
}
}
