/** gnomeprocbar.c **/
#include <gnome.h>

gint eventDelete(GtkWidget *widget,
        GdkEvent *event,gpointer data);
gint eventDestroy(GtkWidget *widget,
        GdkEvent *event,gpointer data);
static GtkWidget *makeWidget();
static gint updateValue();

static GdkColor barColors[5] = {
    {0, 0x4fff, 0x0fff, 0xffff},
    {0, 0xffff, 0xffff, 0x4fff},
    {0, 0xdfff, 0xdfff, 0xdfff},
    {0, 0xafff, 0xafff, 0xafff},
    {0, 0, 0, 0},
};

int main(int argc,char *argv[])
{
    GtkWidget *app;
    GtkWidget *widget;

    gnome_init("gnomeprocbar","1.0",argc,argv);
    app = gnome_app_new("gnomeprocbar","GnomeProcBar");
    gtk_container_set_border_width(GTK_CONTAINER(app),20);
    gtk_signal_connect(GTK_OBJECT(app),"delete_event",
            GTK_SIGNAL_FUNC(eventDelete),NULL);
    gtk_signal_connect(GTK_OBJECT(app),"destroy",
            GTK_SIGNAL_FUNC(eventDestroy),NULL);

    widget = makeWidget();

    gnome_app_set_contents(GNOME_APP(app),widget);
    gtk_widget_show_all(app);
    gtk_main();
    exit(0);
}
gint eventDelete(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    return(FALSE);
}
gint eventDestroy(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    gtk_main_quit();
    return(0);
}
static GtkWidget *procbar;

static GtkWidget *makeWidget()
{
    GtkWidget *label;

    label = gtk_label_new("Label Text");
    procbar = gnome_proc_bar_new(
            label,4,barColors,updateValue);
    gtk_widget_set_usize(procbar,400,15);
    gnome_proc_bar_start(GNOME_PROC_BAR(procbar),1000,NULL);

    return(procbar);
}
static gint updateValue()
{
    static gint values[4] = { 0, 0, 0, 0};

    values[0]++;
    values[1] += 2;
    values[2] += 3;
    values[3] = 200 - values[0] - values[1] - values[2];
    if(values[3] < 0) {
        values[0] = 0;
        values[1] = 0;
        values[2] = 0;
        values[3] = 200;
    }
    gnome_proc_bar_set_values(GNOME_PROC_BAR(procbar),values);

    return(TRUE);
}