#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>

// need this header for file operations
#include <stdio.h>

static GtkWidget *entry;

static void
button_clicked (void)
{
    FILE *outfile;
    char *text = gtk_entry_get_text (GTK_ENTRY (entry));

    // open outfile in append mode
    outfile = fopen ("dumpfile.out", "a");
    if (!outfile)
	g_error ("couldn't open file!");

    // write text to file...add a newline manually if you need it
    fputs (text, outfile);

    // and close the file again
    fclose (outfile);
}


int
main (int argc, char *argv[])
{
    GtkWidget *win;
    GtkWidget *vbox;
    GtkWidget *button;

    gtk_init (&argc, &argv);

    win = gtk_window_new (GTK_WINDOW_TOPLEVEL);

    vbox = gtk_vbox_new (TRUE, 0);
    gtk_container_add (GTK_CONTAINER (win), vbox);

    entry = gtk_entry_new ();
    gtk_box_pack_start_defaults (GTK_BOX (vbox), entry);

    button = gtk_button_new_with_label ("Save Text");
    gtk_box_pack_start_defaults (GTK_BOX (vbox), button);

    gtk_signal_connect (GTK_OBJECT (button), "clicked",
			GTK_SIGNAL_FUNC (button_clicked),
			NULL);


    gtk_widget_show_all (win);

    gtk_main ();

    return 0;
}