make MIDI Patch Manager search in $user_config_dir/patchfiles for midnam files as well as the per-session equivalent. need to stop it from doing at session shutdown time too.

git-svn-id: svn://localhost/ardour2/branches/3.0@11736 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 52 insertions, 0 deletions

diff --git a/libs/ardour/midi_patch_search_path.cc b/libs/ardour/midi_patch_search_path.cc
new file mode 100644
index 0000000000..014e41f190
--- /dev/null
+++ b/libs/ardour/midi_patch_search_path.cc
@@ -0,0 +1,52 @@
+/*
+    Copyright (C) 2007 Tim Mayberry
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <glibmm/miscutils.h>
+
+#include "ardour/midi_name_search_path.h"
+#include "ardour/directory_names.h"
+#include "ardour/filesystem_paths.h"
+
+namespace {
+	const char * const midi_patch_env_variable_name = "ARDOUR_MIDI_PATCH_PATH";
+} // anonymous
+
+using namespace PBD;
+
+namespace ARDOUR {
+
+SearchPath
+midi_patch_search_path ()
+{
+	SearchPath spath (user_config_directory ());
+
+	spath += ardour_module_directory ();
+	spath.add_subdirectory_to_paths(midi_patch_dir_name);
+
+	bool midi_patch_path_defined = false;
+	SearchPath spath_env (Glib::getenv(midi_patch_env_variable_name, midi_patch_path_defined));
+
+	if (midi_patch_path_defined) {
+		spath += spath_env;
+	}
+
+	return spath;
+}
+
+} // namespace ARDOUR