root/trunk/libnotify/tests/test-replace-widget.c

#include <libnotify/notify.h>
#include <stdio.h>
#include <unistd.h>
#include <glib.h>
#include <gtk/gtk.h>

static int count = 0;

static void
on_exposed(GtkWidget *widget, GdkEventExpose *ev, void *user_data)
{
    NotifyNotification *n = NOTIFY_NOTIFICATION(user_data);

    g_signal_handlers_disconnect_by_func(widget, on_exposed, user_data);

    notify_notification_show(n, NULL);
}

static void
on_clicked(GtkButton *button, void *user_data)
{
    gchar *buf;
    NotifyNotification *n = NOTIFY_NOTIFICATION(user_data);

    count++;
    buf = g_strdup_printf("You clicked the button %i times", count);
    notify_notification_update(n, "Widget Attachment Test", buf, NULL);
    g_free(buf);

    notify_notification_show(n, NULL);
}

int
main(int argc, char *argv[])
{
    NotifyNotification *n;
    GtkWidget *window;
    GtkWidget *button;

    gtk_init(&argc, &argv);
    notify_init("Replace Test");

    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    g_signal_connect(G_OBJECT(window), "delete_event",
                     G_CALLBACK(gtk_main_quit), NULL);

    button = gtk_button_new_with_label("click here to change notification");
    gtk_container_add(GTK_CONTAINER(window), button);

    gtk_widget_show_all(window);

    n = notify_notification_new("Widget Attachment Test",
                                "Button has not been clicked yet",
                                NULL,  //no icon
                                button); //attach to button

    notify_notification_set_timeout(n, 0); //don't timeout

    g_signal_connect(G_OBJECT(button), "clicked",
                     G_CALLBACK(on_clicked), n);
    g_signal_connect_after(G_OBJECT(button), "expose-event",
                           G_CALLBACK(on_exposed), n);

    gtk_main();

    return 0;
}