GUI Dialog to inform the user about missing files

So far this is only used for MIDI, missing audio files are
already handled by asking a user to locate them.
The same approach doesn't work for MIDI, since there cannot be
externally referenced (embedded) .mid files (since MIDI is destructive).

1 files changed, 8 insertions, 0 deletions

diff --git a/gtk2_ardour/ardour_ui_session.cc b/gtk2_ardour/ardour_ui_session.cc
index 3ae6fd3a5d..dc1019ed5b 100644
--- a/gtk2_ardour/ardour_ui_session.cc
+++ b/gtk2_ardour/ardour_ui_session.cc
@@ -59,6 +59,7 @@
 #include "ardour_message.h"
 #include "ardour_ui.h"
 #include "engine_dialog.h"
+#include "missing_filesource_dialog.h"
 #include "missing_plugin_dialog.h"
 #include "opts.h"
 #include "public_editor.h"
@@ -455,6 +456,13 @@ ARDOUR_UI::load_session_stage_two (const std::string& path, const std::string& s
 	}
 
 	{
+		list<string> const u = new_session->missing_filesources (DataType::MIDI);
+		if (!u.empty()) {
+			MissingFileSourceDialog d (_session, u, DataType::MIDI);
+			d.run ();
+		}
+	}
+	{
 		list<string> const u = new_session->unknown_processors ();
 		if (!u.empty()) {
 			MissingPluginDialog d (_session, u);