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diff --git a/misc/mediasource/extra/netradiant-src/contrib/prtview/LoadPortalFileDialog.cpp b/misc/mediasource/extra/netradiant-src/contrib/prtview/LoadPortalFileDialog.cpp
new file mode 100644
index 00000000..03d84397
--- /dev/null
+++ b/misc/mediasource/extra/netradiant-src/contrib/prtview/LoadPortalFileDialog.cpp
@@ -0,0 +1,202 @@
+/*
+PrtView plugin for GtkRadiant
+Copyright (C) 2001 Geoffrey Dewan, Loki software and qeradiant.com
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+// LoadPortalFileDialog.cpp : implementation file
+//
+
+#include "LoadPortalFileDialog.h"
+
+#include <gtk/gtk.h>
+#include <gtkutil/pointer.h>
+#include "stream/stringstream.h"
+#include "convert.h"
+#include "gtkutil/pointer.h"
+
+#include "qerplugin.h"
+
+#include "prtview.h"
+#include "portals.h"
+
+static void dialog_button_callback (GtkWidget *widget, gpointer data)
+{
+  GtkWidget *parent;
+  int *loop, *ret;
+
+  parent = gtk_widget_get_toplevel (widget);
+  loop = (int*)g_object_get_data (G_OBJECT (parent), "loop");
+  ret = (int*)g_object_get_data (G_OBJECT (parent), "ret");
+
+  *loop = 0;
+  *ret = gpointer_to_int(data);
+}
+
+static gint dialog_delete_callback (GtkWidget *widget, GdkEvent* event, gpointer data)
+{
+  int *loop;
+
+  gtk_widget_hide (widget);
+  loop = (int*)g_object_get_data (G_OBJECT (widget), "loop");
+  *loop = 0;
+
+  return TRUE;
+}
+
+static void file_sel_callback (GtkWidget *widget, gpointer data)
+{
+  GtkWidget *parent;
+  int *loop;
+  char **filename;
+ 
+  parent = gtk_widget_get_toplevel (widget);
+  loop = (int*)g_object_get_data (G_OBJECT (parent), "loop");
+  filename = (char**)g_object_get_data (G_OBJECT (parent), "filename");
+ 
+  *loop = 0;
+  if (gpointer_to_int(data) == IDOK)
+    *filename = g_strdup (gtk_file_selection_get_filename (GTK_FILE_SELECTION (parent)));
+}
+
+static void change_clicked (GtkWidget *widget, gpointer data)
+{
+  GtkWidget* file_sel;
+  char* filename = NULL;
+  int loop = 1;
+
+  file_sel = gtk_file_selection_new ("Locate portal (.prt) file");
+  gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION (file_sel)->ok_button), "clicked",
+                      GTK_SIGNAL_FUNC (file_sel_callback), GINT_TO_POINTER (IDOK));
+  gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION (file_sel)->cancel_button), "clicked",
+                      GTK_SIGNAL_FUNC (file_sel_callback), GINT_TO_POINTER (IDCANCEL));
+  gtk_signal_connect (GTK_OBJECT (file_sel), "delete_event",
+                      GTK_SIGNAL_FUNC (dialog_delete_callback), NULL);
+  gtk_file_selection_hide_fileop_buttons (GTK_FILE_SELECTION (file_sel));
+
+  g_object_set_data (G_OBJECT (file_sel), "loop", &loop);
+  g_object_set_data (G_OBJECT (file_sel), "filename", &filename);
+  gtk_file_selection_set_filename (GTK_FILE_SELECTION (file_sel), portals.fn);
+
+  gtk_grab_add (file_sel);
+  gtk_widget_show (file_sel);
+
+  while (loop)
+    gtk_main_iteration ();
+
+  gtk_grab_remove (file_sel);
+  gtk_widget_destroy (file_sel);
+
+  if (filename != NULL)
+  {
+    strcpy (portals.fn, filename);
+    gtk_entry_set_text (GTK_ENTRY (data), filename);
+    g_free (filename);
+  }
+}
+
+int DoLoadPortalFileDialog ()
+{
+  GtkWidget *dlg, *vbox, *hbox, *button, *entry, *check2d, *check3d;
+  int loop = 1, ret = IDCANCEL;
+
+  dlg = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+  gtk_window_set_title (GTK_WINDOW (dlg), "Load .prt");
+  gtk_signal_connect (GTK_OBJECT (dlg), "delete_event",
+                      GTK_SIGNAL_FUNC (dialog_delete_callback), NULL);
+  gtk_signal_connect (GTK_OBJECT (dlg), "destroy",
+                      GTK_SIGNAL_FUNC (gtk_widget_destroy), NULL);
+  g_object_set_data (G_OBJECT (dlg), "loop", &loop);
+  g_object_set_data (G_OBJECT (dlg), "ret", &ret);
+
+  vbox = gtk_vbox_new (FALSE, 5);
+  gtk_widget_show (vbox);
+  gtk_container_add (GTK_CONTAINER (dlg), vbox);
+  gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
+
+  entry = gtk_entry_new ();
+  gtk_widget_show (entry);
+  gtk_entry_set_editable (GTK_ENTRY (entry), FALSE);
+  gtk_box_pack_start (GTK_BOX (vbox), entry, FALSE, FALSE, 0);
+
+  hbox = gtk_hbox_new (FALSE, 5);
+  gtk_widget_show (hbox);
+  gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+
+  check3d = gtk_check_button_new_with_label ("Show 3D");
+  gtk_widget_show (check3d);
+  gtk_box_pack_start (GTK_BOX (hbox), check3d, FALSE, FALSE, 0);
+
+  check2d = gtk_check_button_new_with_label ("Show 2D");
+  gtk_widget_show (check2d);
+  gtk_box_pack_start (GTK_BOX (hbox), check2d, FALSE, FALSE, 0);
+
+  button = gtk_button_new_with_label ("Change");
+  gtk_widget_show (button);
+  gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
+  gtk_signal_connect (GTK_OBJECT (button), "clicked", GTK_SIGNAL_FUNC (change_clicked), entry);
+  gtk_widget_set_usize (button, 60, -2);
+
+  hbox = gtk_hbox_new (FALSE, 5);
+  gtk_widget_show (hbox);
+  gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+
+  button = gtk_button_new_with_label ("Cancel");
+  gtk_widget_show (button);
+  gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
+  gtk_signal_connect (GTK_OBJECT (button), "clicked",
+		      GTK_SIGNAL_FUNC (dialog_button_callback), GINT_TO_POINTER (IDCANCEL));
+  gtk_widget_set_usize (button, 60, -2);
+
+  button = gtk_button_new_with_label ("OK");
+  gtk_widget_show (button);
+  gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
+  gtk_signal_connect (GTK_OBJECT (button), "clicked",
+		      GTK_SIGNAL_FUNC (dialog_button_callback), GINT_TO_POINTER (IDOK));
+  gtk_widget_set_usize (button, 60, -2);
+
+  strcpy (portals.fn, GlobalRadiant().getMapName());
+  char* fn = strrchr (portals.fn, '.');
+  if (fn != NULL)
+  {
+    strcpy(fn, ".prt");
+  }
+
+  StringOutputStream value(256);
+  value << portals.fn;
+  gtk_entry_set_text (GTK_ENTRY (entry), value.c_str());
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check2d), portals.show_2d);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check3d), portals.show_3d);
+
+  gtk_grab_add (dlg);
+  gtk_widget_show (dlg);
+
+  while (loop)
+    gtk_main_iteration ();
+
+  if (ret == IDOK)
+  {
+    portals.Purge();
+
+    portals.show_3d = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check3d)) ? true : false;
+    portals.show_2d = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check2d)) ? true : false;
+  }
+
+  gtk_grab_remove (dlg);
+  gtk_widget_destroy (dlg);
+
+  return ret;
+}