Add GUI to instantiate session-scripts

3 files changed, 101 insertions, 0 deletions

diff --git a/gtk2_ardour/ardour.menus.in b/gtk2_ardour/ardour.menus.in
index bf79009b56..1eab195b76 100644
--- a/gtk2_ardour/ardour.menus.in
+++ b/gtk2_ardour/ardour.menus.in
@@ -27,6 +27,11 @@
 #endif
       <!--menuitem action='importFromSession'/-->
 
+      <menu name='Scripting' action='Scripting'>
+        <menuitem action='AddLuaScript'/>
+        <menuitem action='RemoveLuaScript'/>
+      </menu>
+
       <menuitem action='OpenVideo'/>
       <menuitem action='CloseVideo'/>
 
diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index da2323b80a..a40d192e72 100644
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -91,6 +91,8 @@
 #include "ardour/slave.h"
 #include "ardour/system_exec.h"
 
+#include "LuaBridge/LuaBridge.h"
+
 #ifdef WINDOWS_VST_SUPPORT
 #include <fst.h>
 #endif
@@ -141,6 +143,7 @@ typedef uint64_t microseconds_t;
 #include "route_time_axis.h"
 #include "route_params_ui.h"
 #include "save_as_dialog.h"
+#include "script_selector.h"
 #include "session_dialog.h"
 #include "session_metadata_dialog.h"
 #include "session_option_editor.h"
@@ -3931,6 +3934,88 @@ ARDOUR_UI::add_route (Gtk::Window* /* ignored */)
 }
 
 void
+ARDOUR_UI::add_lua_script ()
+{
+	if (!_session) {
+		return;
+	}
+
+	LuaScriptInfoPtr spi;
+	ScriptSelector ss ("Add Lua Session Script", LuaScriptInfo::Session);
+	switch (ss.run ()) {
+		case Gtk::RESPONSE_ACCEPT:
+			spi = ss.script();
+			break;
+		default:
+			return;
+	}
+
+	std::string script = "";
+
+	try {
+		script = Glib::file_get_contents (spi->path);
+	} catch (Glib::FileError e) {
+		string msg = string_compose (_("Cannot read session script '%1': %2"), spi->path, e.what());
+		MessageDialog am (msg);
+		am.run ();
+		return;
+	}
+
+	LuaScriptParamList lsp = LuaScripting::session_script_params (spi);
+	std::vector<std::string> reg = _session->registered_lua_functions ();
+
+	ScriptParameterDialog spd (_("Set Script Parameters"), spi, reg, lsp);
+	switch (spd.run ()) {
+		case Gtk::RESPONSE_ACCEPT:
+			break;
+		default:
+			return;
+	}
+
+	try {
+		_session->register_lua_function (spd.name(), script, lsp);
+	} catch (luabridge::LuaException const& e) {
+		string msg = string_compose (_("Session script '%1' instantiation failed: %2"), spd.name(), e.what ());
+		MessageDialog am (msg);
+		am.run ();
+	} catch (SessionException e) {
+		string msg = string_compose (_("Loading Session script '%1' failed: %2"), spd.name(), e.what ());
+		MessageDialog am (msg);
+		am.run ();
+	}
+}
+
+void
+ARDOUR_UI::remove_lua_script ()
+{
+	if (!_session) {
+		return;
+	}
+	if (_session->registered_lua_function_count () ==  0) {
+		string msg = _("There are no active Lua session scripts present in this session.");
+		MessageDialog am (msg);
+		am.run ();
+		return;
+	}
+
+	std::vector<std::string> reg = _session->registered_lua_functions ();
+	SessionScriptManager sm ("Remove Lua Session Script", reg);
+	switch (sm.run ()) {
+		case Gtk::RESPONSE_ACCEPT:
+			break;
+		default:
+			return;
+	}
+	try {
+		_session->unregister_lua_function (sm.name());
+	} catch (luabridge::LuaException const& e) {
+		string msg = string_compose (_("Session script '%1' removal failed: %2"), sm.name(), e.what ());
+		MessageDialog am (msg);
+		am.run ();
+	}
+}
+
+void
 ARDOUR_UI::stop_video_server (bool ask_confirm)
 {
 	if (!video_server_process && ask_confirm) {
diff --git a/gtk2_ardour/ardour_ui_ed.cc b/gtk2_ardour/ardour_ui_ed.cc
index d5e6968f89..03ad92e183 100644
--- a/gtk2_ardour/ardour_ui_ed.cc
+++ b/gtk2_ardour/ardour_ui_ed.cc
@@ -163,6 +163,17 @@ ARDOUR_UI::install_actions ()
 	ActionManager::session_sensitive_actions.push_back (act);
 	ActionManager::write_sensitive_actions.push_back (act);
 
+	act = global_actions.register_action (main_actions, X_("Scripting"), S_("Session|Scripting"));
+	ActionManager::session_sensitive_actions.push_back (act);
+
+	act = global_actions.register_action (main_actions, X_("AddLuaScript"), _("Add Lua Script"),
+	              sigc::mem_fun (*this, &ARDOUR_UI::add_lua_script));
+	ActionManager::session_sensitive_actions.push_back (act);
+
+	act = global_actions.register_action (main_actions, X_("RemoveLuaScript"), _("Remove Lua Script"),
+	              sigc::mem_fun (*this, &ARDOUR_UI::remove_lua_script));
+	ActionManager::session_sensitive_actions.push_back (act);
+
 	act = global_actions.register_action (main_actions, X_("OpenVideo"), _("Open Video"),
 					      sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::add_video), (Gtk::Window*) 0));
 	ActionManager::session_sensitive_actions.push_back (act);