From 2cea8620b5eda7cb0aca53cbdd219b68e49fb242 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <carl@carlh.net>
Date: Thu, 7 May 2009 12:24:03 +0000
Subject: [PATCH] Ask user to confirm overwrite of a snapshot, to fix mantis
 2656.

git-svn-id: svn://localhost/ardour2/branches/3.0@5057 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/ardour_ui.cc | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index 49ad2288b8..e88a469b92 100644
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -1898,11 +1898,34 @@ ARDOUR_UI::snapshot_session ()
 	
 	switch (prompter.run()) {
 	case RESPONSE_ACCEPT:
+	{
 		prompter.get_result (snapname);
-		if (snapname.length()){
+
+		bool do_save = (snapname.length() != 0);
+
+		vector<sys::path> p;
+		get_state_files_in_directory (session->session_directory().root_path(), p);
+		vector<string> n = get_file_names_no_extension (p);
+		if (find (n.begin(), n.end(), snapname) != n.end()) {
+
+			ArdourDialog confirm (_("Confirm snapshot overwrite"), true);
+			Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
+			confirm.get_vbox()->pack_start (m, true, true);
+			confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+			confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
+			confirm.show_all ();
+			switch (confirm.run()) {
+			case RESPONSE_CANCEL:
+				do_save = false;
+			}
+		}
+		
+		if (do_save) {
+			std::cout << "DOING IT!" << std::endl;
 			save_state (snapname);
 		}
 		break;
+	}
 
 	default:
 		break;