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

GtkWidget *makeDisplay();
gint eventDelete(GtkWidget *widget,
        GdkEvent *event,gpointer data);
gint eventDestroy(GtkWidget *widget,
        GdkEvent *event,gpointer data);

gint oneSecondCallback(gpointer data);
gint tenSecondCallback(gpointer data);

static gint oneSecondTag;
static gint tenSecondTag;
static GtkWidget *oneSecondLabel;
static GtkWidget *tenSecondLabel;

static gboolean oneSecondRunning = FALSE;

int main(int argc,char *argv[])
{
    GtkWidget *window;
    GtkWidget *display;

    gnome_init("timing","1.0",argc,argv);
    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_container_set_border_width(GTK_CONTAINER(window),
            20);
    gtk_signal_connect(GTK_OBJECT(window),"delete_event",
            GTK_SIGNAL_FUNC(eventDelete),NULL);
    gtk_signal_connect(GTK_OBJECT(window),"destroy",
            GTK_SIGNAL_FUNC(eventDestroy),NULL);
    display = makeDisplay();
    gtk_container_add(GTK_CONTAINER(window),display);
    gtk_widget_show_all(window);
    gtk_main();
    exit(0);
}
GtkWidget *makeDisplay() {
    GtkWidget *box;

    box = gtk_vbox_new(FALSE,0);

    oneSecondLabel = gtk_label_new("One Second Timer");
    gtk_box_pack_start(GTK_BOX(box),oneSecondLabel,
            FALSE,FALSE,0);

    tenSecondLabel = gtk_label_new("Ten Second Timer");
    gtk_box_pack_start(GTK_BOX(box),tenSecondLabel,
            FALSE,FALSE,0);
    tenSecondTag = gtk_timeout_add(10000,
            (GtkFunction)tenSecondCallback,NULL);

    return(box);
}
gchar *getTimeString()
{
    struct tm *t;
    time_t tt;
    gchar *string;

    tt = time(NULL);
    t = localtime(&tt);
    string = asctime(t);
    string[strlen(string)-1] = '\0';
    return(string);
}
gint oneSecondCallback(gpointer data)
{
    gtk_label_set_text(GTK_LABEL(oneSecondLabel),
            getTimeString());
    return(TRUE);
}
gint tenSecondCallback(gpointer data)
{
    gtk_label_set_text(GTK_LABEL(tenSecondLabel),
            getTimeString());
    if(oneSecondRunning) {
        gtk_timeout_remove(oneSecondTag);
        oneSecondRunning = FALSE;
    } else {
        oneSecondTag = gtk_timeout_add(1000,
                (GtkFunction)oneSecondCallback,NULL);
        oneSecondRunning = TRUE;
    }
    return(TRUE);
}

gint eventDelete(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    return(FALSE);
}
gint eventDestroy(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    gtk_main_quit();
    return(0);
}