/*
 * nonfunctional dpi fixer.
 *
 * gcc -Wall -o fixdpi `pkg-config --libs --cflags gtk+-3.0` fixdpi.c
 */

#include <stdlib.h>
#include <gtk/gtk.h>

int
main (int argc, char *argv[])
{
  GtkSettings *settings;
  gint dpi;

  gtk_init (&argc, &argv);

  settings = gtk_settings_get_default ();

  g_object_get (settings, "gtk-xft-dpi", &dpi, NULL);
  g_printerr ("gtk-xft-dpi: %d\n", dpi);

  if (argc > 1)
    {
      dpi = atoi (argv[1]) * 1024;
      g_printerr ("new gtk-xft-dpi: %d\n", dpi);
      g_object_set (settings, "gtk-xft-dpi", dpi, NULL);

      /* maybe this is needed for the setting to propagate back? */
      gtk_main ();
    }

  return 0;
}