#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <gtk-2.0/gtk/gtk.h>

// This function comes from GIMP packages (tools/test-clipboard.c)
static gboolean
test_clipboard_paste (GtkClipboard *clipboard,
                      const gchar  *target,
                      const gchar  *filename)
{
  GtkSelectionData *sel_data;

  sel_data = gtk_clipboard_wait_for_contents (clipboard,
                                              gdk_atom_intern (target,
                                                               FALSE));
  if (sel_data)
    {
      const guchar *data;
      gint          length;
      gint          fd;

      if (! strcmp (filename, "-"))
        fd = 1;
      else
        fd = open (filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);

      if (fd < 0)
        {
          g_printerr ("%s: open() filed: %s",
                      g_get_prgname (), g_strerror (errno));
          return FALSE;
        }

      data   = gtk_selection_data_get_data (sel_data);
      length = gtk_selection_data_get_length (sel_data);

      if (write (fd, data, length) < length)
        {
          close (fd);
          g_printerr ("%s: write() failed: %s",
                      g_get_prgname (), g_strerror (errno));
          return FALSE;
        }

      if (close (fd) < 0)
        {
          g_printerr ("%s: close() failed: %s",
                      g_get_prgname (), g_strerror (errno));
          return FALSE;
        }

      gtk_selection_data_free (sel_data);
    }

  return TRUE;
}


int main(int argc, char** argv)
{
	GtkClipboard *clipboard;  
	
	gtk_init(&argc, &argv);

	GdkDisplay* display = gdk_display_get_default();
	if(display == NULL)
	{
		perror("gdk_display_get_default");
		exit(1);
	}

	clipboard = gtk_clipboard_get_for_display (display, GDK_SELECTION_CLIPBOARD);
	

	test_clipboard_paste(clipboard, "image/png", "./out.bin");
	
	exit(0);
}