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Lua scripting: add convenience function Editor::trigger_script_by_name().

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This commit is contained in:
Ben Loftis 2017-12-07 11:05:57 -06:00
parent efc858dc81
commit dade19310d
2 changed files with 59 additions and 0 deletions
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1
gtk2_ardour/editor.h
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@ -658,6 +658,7 @@ private:
gint really_remove_marker (ARDOUR::Location* loc);
void goto_nth_marker (int nth);
void trigger_script (int nth);
void trigger_script_by_name ( const std::string script_name );
void toggle_marker_lines ();
void set_marker_line_visibility (bool);

58
gtk2_ardour/editor_actions.cc
View File

@ -33,11 +33,14 @@
#include "canvas/canvas.h"
#include "canvas/pixbuf.h"
#include "LuaBridge/LuaBridge.h"
#include "actions.h"
#include "ardour_ui.h"
#include "editing.h"
#include "editor.h"
#include "gui_thread.h"
#include "luainstance.h"
#include "main_clock.h"
#include "time_axis_view.h"
#include "ui_config.h"
@ -746,6 +749,61 @@ Editor::register_actions ()
}
static void _lua_print (std::string s) {
#ifndef NDEBUG
std::cout << "LuaInstance: " << s << "\n";
#endif
PBD::info << "LuaInstance: " << s << endmsg;
}
void
Editor::trigger_script_by_name ( const std::string script_name )
{
string script_path;
ARDOUR::LuaScriptList scr = LuaScripting::instance ().scripts(LuaScriptInfo::EditorAction);
for (ARDOUR::LuaScriptList::const_iterator s = scr.begin(); s != scr.end(); ++s) {
if ( (*s)->name == script_name ) {
script_path = (*s)->path;
if (!Glib::file_test (script_path, Glib::FILE_TEST_EXISTS | Glib::FILE_TEST_IS_REGULAR)) {
cerr << "Lua Script action: path to " << script_path << " does not appear to be valid" << endl;
return;
}
LuaState lua;
lua.Print.connect (&_lua_print); //ToDo
lua.sandbox (true);
lua_State* L = lua.getState();
LuaInstance::register_classes (L);
LuaBindings::set_session (L, _session);
luabridge::push <PublicEditor *> (L, &PublicEditor::instance());
lua_setglobal (L, "Editor");
lua.do_command ("function ardour () end");
lua.do_file (script_path);
luabridge::LuaRef args (luabridge::newTable (L));
//ToDo: args?
// args["how_many"] = count;
try {
luabridge::LuaRef fn = luabridge::getGlobal (L, "factory");
if (fn.isFunction()) {
fn (args)();
}
} catch (luabridge::LuaException const& e) {
cerr << "LuaException:" << e.what () << endl;
} catch (...) {
cerr << "Lua script failed: " << script_path << endl;
}
continue; //script found; we're done
}
}
cerr << "Lua script was not found: " << script_name << endl;
}
void
Editor::load_bindings ()
{