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);
	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;
}