Index: mousepad/src/window.c
===================================================================
--- mousepad/src/window.c	(revision 27277)
+++ mousepad/src/window.c	(working copy)
@@ -21,6 +21,7 @@
  */
 
 #include "mousepad.h"
+#include <glib/gstdio.h>
 
 /*static void remove_scrollbar_spacing(GtkScrolledWindow *sw)
 {
@@ -71,7 +72,7 @@
  	GtkWidget *menubar;
   	GtkWidget *ebox;
  	GtkWidget *label;
- 	GtkWidget *separator;
+	GtkWidget *separator;
 	GtkWidget *sw;
  	GtkWidget *textview;
 	GtkTextBuffer *textbuffer;
@@ -92,29 +93,26 @@
 	
 	menubar = create_menu_bar(window, sd);
 	gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
-	
-	/* check if we need to add the root warning */
-	if (G_UNLIKELY (geteuid () == 0))
-	{
-		/* install default settings for the root warning text box */
-		gtk_rc_parse_string("style\"mousepad-window-root-style\"{bg[NORMAL]=\"#b4254b\"\nfg[NORMAL]=\"#fefefe\"}\n"
-				"widget\"GtkWindow.*.root-warning\"style\"mousepad-window-root-style\"\n"
-				"widget\"GtkWindow.*.root-warning.GtkLabel\"style\"mousepad-window-root-style\"\n");
 
-		/* add the box for the root warning */
-		ebox = gtk_event_box_new();
-		gtk_widget_set_name(ebox, "root-warning");
-		gtk_box_pack_start(GTK_BOX(vbox), ebox, FALSE, FALSE, 0);
+	/* install default settings for the warning text box */
+	gtk_rc_parse_string("style\"mousepad-window-warning-style\"{bg[NORMAL]=\"#b4254b\"\nfg[NORMAL]=\"#fefefe\"}\n"
+				"widget\"GtkWindow.*.warning\"style\"mousepad-window-warning-style\"\n"
+				"widget\"GtkWindow.*.warning.GtkLabel\"style\"mousepad-window-warning-style\"\n");
 
-		/* add the label with the root warning */
-		label = gtk_label_new(_("Warning, you are using the root account, you may harm your system."));
-		gtk_misc_set_padding(GTK_MISC(label), 6, 3);
-		gtk_container_add(GTK_CONTAINER(ebox), label);
+	/* add the box for the warning */
+	ebox = gtk_event_box_new();
+	gtk_widget_set_name(ebox, "warning");
+	gtk_box_pack_start(GTK_BOX(vbox), ebox, FALSE, FALSE, 0);
 
-		separator = gtk_hseparator_new();
-		gtk_box_pack_start(GTK_BOX(vbox), separator, FALSE, FALSE, 0);
-	}
+	/* add the label with the warning */
+	label = gtk_label_new(NULL);
+	gtk_misc_set_padding(GTK_MISC(label), 6, 3);
+	gtk_container_add(GTK_CONTAINER(ebox), label);
+	gtk_event_box_set_visible_window(GTK_EVENT_BOX(ebox), TRUE);
 
+	separator = gtk_hseparator_new();
+	gtk_box_pack_start(GTK_BOX(vbox), separator, FALSE, FALSE, 0);
+
 	sw = gtk_scrolled_window_new(NULL, NULL);
 	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw),
 		GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
@@ -152,10 +150,11 @@
 		cb_text_receive, NULL);
 */	
 	mainwin->window = window;
+	mainwin->warning_text = label;
 	mainwin->menubar = menubar;
 	mainwin->textview = textview;
 	mainwin->textbuffer = textbuffer;
-	
+
 	return mainwin;
 }
 
@@ -191,3 +190,30 @@
 	g_free(title);
 	g_free(basename);
 }
+void main_window_update_warning(StructData *sd)
+{
+	gchar *text;
+	gchar   *dir;
+
+	text = g_malloc0(256*sizeof(gchar));
+
+	if (G_UNLIKELY (geteuid () == 0))
+		g_strlcat(text,_("Warning, you are using the root account, you may harm your system."),128);
+	if (sd->fi->filename != NULL) {
+		dir = g_path_get_dirname (sd->fi->filename);
+		if ((g_access (dir, R_OK | W_OK | X_OK) < 0) || \
+				g_access (sd->fi->filename, R_OK | W_OK | X_OK) < 0) {
+			if (G_UNLIKELY (geteuid () == 0))
+				g_strlcat(text,_("\nWarning, you are editing a read-only file, you can not modify it."),256);
+			else
+				g_strlcat(text,_("Warning, you are editing a read-only file, you can not modify it."),128);
+
+		}
+		g_free(dir);
+	}
+
+	gtk_label_set_text(GTK_LABEL(sd->mainwin->warning_text), text);
+
+	g_free(text);
+}
+
Index: mousepad/src/window.h
===================================================================
--- mousepad/src/window.h	(revision 27277)
+++ mousepad/src/window.h	(working copy)
@@ -25,6 +25,7 @@
 MainWindow *create_main_window(StructData *sd);
 gchar *get_current_file_basename(gchar *filename);
 void set_main_window_title(StructData *sd);
+void main_window_update_warning(StructData *sd);
 #if 0
 void set_main_window_title_with_asterisk(gboolean flag);
 void set_main_window_title_toggle_asterisk(void);
Index: mousepad/src/mousepad.h
===================================================================
--- mousepad/src/mousepad.h	(revision 27277)
+++ mousepad/src/mousepad.h	(working copy)
@@ -58,6 +58,7 @@
 /* Data Structure */
 typedef struct {
 	GtkWidget *window;
+	GtkWidget *warning_text;
 	GtkWidget *menubar;
 	GtkWidget *textview;
 	GtkTextBuffer *textbuffer;
Index: mousepad/src/main.c
===================================================================
--- mousepad/src/main.c	(revision 27277)
+++ mousepad/src/main.c	(working copy)
@@ -210,6 +210,7 @@
 	sd->search.string_find = NULL;
 	sd->search.string_replace = NULL;
 	
+	main_window_update_warning(sd);
 	gtk_main();
 	
 	save_config_file(sd);
Index: mousepad/src/callback.c
===================================================================
--- mousepad/src/callback.c	(revision 27277)
+++ mousepad/src/callback.c	(working copy)
@@ -105,6 +105,7 @@
 				g_free(sd->fi);
 				sd->fi = fi;
 				set_main_window_title(sd);
+				main_window_update_warning(sd);
 				undo_init(sd->mainwin->textview, sd->mainwin->textbuffer, sd->mainwin->menubar);
 			}
 		}