From c58db111c03afd76e85c587f5f27f96f8e7bf49d Mon Sep 17 00:00:00 2001
From: Ensiform <ensiform@gmail.com>
Date: Fri, 16 Jun 2017 21:21:49 -0500
Subject: [PATCH] Prevent users from deleting the classname key in entity
 dialog

Disables the Del Key/Val Pair button if the classname key is selected.
---
 radiant/groupdialog.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/radiant/groupdialog.cpp b/radiant/groupdialog.cpp
index 444524e8..4af2ffff 100644
--- a/radiant/groupdialog.cpp
+++ b/radiant/groupdialog.cpp
@@ -1085,6 +1085,10 @@ static void proplist_selection_changed( GtkTreeSelection* selection, gpointer da
 	char* val;
 	gtk_tree_model_get( model, &iter, 0, &key, 1, &val, -1 );
 
+	if ( stricmp( key, "classname" ) == 0 ) {
+		gtk_widget_set_sensitive( del_button, FALSE );
+	}
+
 	gtk_entry_set_text( GTK_ENTRY( EntWidgets[EntKeyField] ), key );
 	gtk_entry_set_text( GTK_ENTRY( EntWidgets[EntValueField] ), val );