2 Copyright (C) 2016 Robin Gareus <robin@gareus.org>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifdef PLATFORM_WINDOWS
21 #define random() rand()
25 #include "gtk2ardour-config.h"
28 #include "pbd/gstdio_compat.h"
29 #include <glibmm/fileutils.h>
30 #include <gtkmm/messagedialog.h>
32 #include "pbd/basename.h"
33 #include "pbd/file_utils.h"
36 #include "gtkmm2ext/gtk_ui.h"
37 #include "gtkmm2ext/utils.h"
38 #include "gtkmm2ext/window_title.h"
40 #include "widgets/pane.h"
41 #include "widgets/tooltips.h"
43 #include "ardour/filesystem_paths.h"
44 #include "ardour/luabindings.h"
45 #include "LuaBridge/LuaBridge.h"
47 #include "ardour_ui.h"
48 #include "gui_thread.h"
49 #include "luainstance.h"
50 #include "luawindow.h"
51 #include "public_editor.h"
53 #include "utils_videotl.h"
57 using namespace ARDOUR;
61 using namespace Gtkmm2ext;
65 inline LuaWindow::BufferFlags operator| (const LuaWindow::BufferFlags& a, const LuaWindow::BufferFlags& b) {
66 return static_cast<LuaWindow::BufferFlags> (static_cast <int>(a) | static_cast<int> (b));
69 inline LuaWindow::BufferFlags operator|= (LuaWindow::BufferFlags& a, const LuaWindow::BufferFlags& b) {
70 return a = static_cast<LuaWindow::BufferFlags> (static_cast <int>(a) | static_cast<int> (b));
73 inline LuaWindow::BufferFlags operator&= (LuaWindow::BufferFlags& a, const LuaWindow::BufferFlags& b) {
74 return a = static_cast<LuaWindow::BufferFlags> (static_cast <int>(a) & static_cast<int> (b));
77 LuaWindow* LuaWindow::_instance = 0;
80 LuaWindow::instance ()
83 _instance = new LuaWindow;
89 LuaWindow::LuaWindow ()
90 : Window (Gtk::WINDOW_TOPLEVEL)
91 , VisibilityTracker (*((Gtk::Window*) this))
98 , _btn_clear (_("Clear Output"))
99 , _btn_open (_("Import"))
100 , _btn_save (_("Save"))
101 , _btn_delete (_("Delete"))
102 , _btn_revert (_("Revert"))
109 set_wmclass (X_("ardour_mixer"), PROGRAM_NAME);
111 script_select.disable_scrolling ();
113 set_border_width (0);
115 outtext.set_editable (false);
116 outtext.set_wrap_mode (Gtk::WRAP_WORD);
117 outtext.set_cursor_visible (false);
119 signal_delete_event().connect (sigc::mem_fun (*this, &LuaWindow::hide_window));
120 signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
122 _btn_run.signal_clicked.connect (sigc::mem_fun(*this, &LuaWindow::run_script));
123 _btn_clear.signal_clicked.connect (sigc::mem_fun(*this, &LuaWindow::clear_output));
124 _btn_open.signal_clicked.connect (sigc::mem_fun(*this, &LuaWindow::import_script));
125 _btn_save.signal_clicked.connect (sigc::mem_fun(*this, &LuaWindow::save_script));
126 _btn_delete.signal_clicked.connect (sigc::mem_fun(*this, &LuaWindow::delete_script));
127 _btn_revert.signal_clicked.connect (sigc::mem_fun(*this, &LuaWindow::revert_script));
129 _btn_open.set_sensitive (false); // TODO
130 _btn_save.set_sensitive (false);
131 _btn_delete.set_sensitive (false);
132 _btn_revert.set_sensitive (false);
136 Gtk::ScrolledWindow *scrollin = manage (new Gtk::ScrolledWindow);
137 scrollin->set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
138 scrollin->add (entry);
139 scrollout.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_ALWAYS);
140 scrollout.add (outtext);
142 entry.set_name ("ArdourLuaEntry");
143 outtext.set_name ("ArdourLuaEntry");
145 Gtk::HBox *hbox = manage (new HBox());
147 hbox->pack_start (_btn_run, false, false, 2);
148 hbox->pack_start (_btn_clear, false, false, 2);
149 hbox->pack_start (_btn_open, false, false, 2);
150 hbox->pack_start (_btn_save, false, false, 2);
151 hbox->pack_start (_btn_delete, false, false, 2);
152 hbox->pack_start (_btn_revert, false, false, 2);
153 hbox->pack_start (script_select, false, false, 2);
155 Gtk::VBox *vbox = manage (new VBox());
156 vbox->pack_start (*scrollin, true, true, 0);
157 vbox->pack_start (*hbox, false, false, 2);
159 ArdourWidgets::VPane *vpane = manage (new ArdourWidgets::VPane ());
161 vpane->add (scrollout);
162 vpane->set_divider (0, 0.75);
166 set_size_request (640, 480); // XXX
167 ArdourWidgets::set_tooltip (script_select, _("Select Editor Buffer"));
170 LuaScripting::instance().scripts_changed.connect (*this, invalidator (*this), boost::bind (&LuaWindow::refresh_scriptlist, this), gui_context());
172 Glib::RefPtr<Gtk::TextBuffer> tb (entry.get_buffer());
173 _script_changed_connection = tb->signal_changed().connect (sigc::mem_fun(*this, &LuaWindow::script_changed));
176 LuaWindow::~LuaWindow ()
182 LuaWindow::show_window ()
189 LuaWindow::hide_window (GdkEventAny *ev)
191 if (!_visible) return 0;
193 return ARDOUR_UI_UTILS::just_hide_it (ev, static_cast<Gtk::Window *>(this));
196 void LuaWindow::reinit_lua ()
198 ENSURE_GUI_THREAD (*this, &LuaWindow::session_going_away);
200 lua = new LuaState();
201 lua->Print.connect (sigc::mem_fun (*this, &LuaWindow::append_text));
202 lua->sandbox (false);
204 lua_State* L = lua->getState();
205 LuaInstance::register_classes (L);
206 luabridge::push <PublicEditor *> (L, &PublicEditor::instance());
207 lua_setglobal (L, "Editor");
210 void LuaWindow::set_session (Session* s)
212 SessionHandlePtr::set_session (s);
218 _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&LuaWindow::update_title, this), gui_context());
220 lua_State* L = lua->getState();
221 LuaBindings::set_session (L, _session);
225 LuaWindow::session_going_away ()
227 ENSURE_GUI_THREAD (*this, &LuaWindow::session_going_away);
228 reinit_lua (); // drop state (all variables, session references)
230 SessionHandlePtr::session_going_away ();
234 lua_State* L = lua->getState();
235 LuaBindings::set_session (L, _session);
239 LuaWindow::update_title ()
244 if (_session->snap_name() != _session->name()) {
245 n = _session->snap_name ();
247 n = _session->name ();
250 if (_session->dirty ()) {
254 WindowTitle title (n);
255 title += S_("Window|Lua");
256 title += Glib::get_application_name ();
257 set_title (title.get_string());
260 WindowTitle title (S_("Window|Lua"));
261 title += Glib::get_application_name ();
262 set_title (title.get_string());
267 LuaWindow::scroll_to_bottom ()
269 Gtk::Adjustment *adj;
270 adj = scrollout.get_vadjustment();
271 adj->set_value (MAX(0,(adj->get_upper() - adj->get_page_size())));
275 LuaWindow::run_script ()
277 Glib::RefPtr<Gtk::TextBuffer> tb (entry.get_buffer());
278 std::string script = tb->get_text();
279 const std::string& bytecode = LuaScripting::get_factory_bytecode (script);
280 if (bytecode.empty()) {
281 // plain script or faulty script -- run directly
283 lua->do_command ("function ardour () end");
284 if (0 == lua->do_command (script)) {
285 append_text ("> OK");
287 } catch (luabridge::LuaException const& e) {
288 append_text (string_compose (_("LuaException: %1"), e.what()));
291 // script with factory method
293 lua_State* L = lua->getState();
294 lua->do_command ("function ardour () end");
296 LuaScriptParamList args = LuaScriptParams::script_params (script, "action_param", false);
297 luabridge::LuaRef tbl_arg (luabridge::newTable(L));
298 LuaScriptParams::params_to_ref (&tbl_arg, args);
299 lua->do_command (script); // register "factory"
300 luabridge::LuaRef lua_factory = luabridge::getGlobal (L, "factory");
301 if (lua_factory.isFunction()) {
302 lua_factory(tbl_arg)();
304 lua->do_command ("factory = nil;");
305 } catch (luabridge::LuaException const& e) {
306 append_text (string_compose (_("LuaException: %1"), e.what()));
312 LuaWindow::append_text (std::string s)
314 Glib::RefPtr<Gtk::TextBuffer> tb (outtext.get_buffer());
315 tb->insert (tb->end(), s + "\n");
317 Gtkmm2ext::UI::instance()->flush_pending (0.05);
321 LuaWindow::clear_output ()
323 Glib::RefPtr<Gtk::TextBuffer> tb (outtext.get_buffer());
328 LuaWindow::edit_script (const std::string& name, const std::string& script)
330 ScriptBuffer* sb = new LuaWindow::ScriptBuffer (name);
332 script_buffers.push_back (ScriptBufferPtr (sb));
333 script_selection_changed (script_buffers.back ());
334 refresh_scriptlist ();
339 LuaWindow::new_script ()
342 snprintf (buf, sizeof (buf), "#%d", count_scratch_buffers () + 1);
343 script_buffers.push_back (ScriptBufferPtr (new LuaWindow::ScriptBuffer (buf)));
344 script_selection_changed (script_buffers.back ());
345 refresh_scriptlist ();
349 LuaWindow::delete_script ()
351 assert ((_current_buffer->flags & Buffer_Scratch) || !(_current_buffer->flags & Buffer_ReadOnly));
352 bool refresh = false;
354 if (_current_buffer->flags & Buffer_HasFile) {
355 if (0 == ::g_unlink (_current_buffer->path.c_str())) {
356 append_text (X_("> ") + string_compose (_("Deleted %1"), _current_buffer->path));
359 append_text (X_("> ") + string_compose (_("Failed to delete %1"), _current_buffer->path));
362 for (ScriptBufferList::iterator i = script_buffers.begin (); i != script_buffers.end (); ++i) {
363 if ((*i) == _current_buffer) {
364 script_buffers.erase (i);
369 for (ScriptBufferList::const_iterator i = script_buffers.begin (); i != script_buffers.end (); ++i) {
370 if ((*i)->flags & Buffer_Scratch) {
371 script_selection_changed (*i);
379 LuaScripting::instance ().refresh (true);
384 LuaWindow::revert_script ()
386 _current_buffer->flags &= BufferFlags(~Buffer_Valid);
387 script_selection_changed (_current_buffer, true);
391 LuaWindow::import_script ()
393 // TODO: dialog to select file or enter URL
394 // TODO convert a few URL (eg. pastebin) to raw.
396 char *url = "http://pastebin.com/raw/3UMkZ6nV";
397 char *rv = ArdourCurl::http_get (url, 0);
400 Glib::RefPtr<Gtk::TextBuffer> tb (entry.get_buffer());
402 _current_buffer->flags &= BufferFlags(~Buffer_Dirty);
410 LuaWindow::save_script ()
412 Glib::RefPtr<Gtk::TextBuffer> tb (entry.get_buffer());
413 std::string script = tb->get_text();
414 std::string msg = "Unknown error";
417 LuaScriptInfoPtr lsi = LuaScripting::script_info (script);
418 ScriptBuffer & sb (*_current_buffer);
420 assert (sb.flags & Buffer_Dirty);
422 // 1) check if it has a valid header and factory
423 const std::string& bytecode = LuaScripting::get_factory_bytecode (script);
424 if (bytecode.empty()) {
425 msg = _("Missing script header.\nThe script requires an '{ardour}' info table and a 'factory' function.");
429 if (!LuaScripting::try_compile (script, LuaScriptParams::script_params (script, "action_param", false))) {
430 msg = _("Script fails to compile.");
434 // 2) check script name & type
435 lsi = LuaScripting::script_info (script);
437 msg = _("Invalid or missing script-name or script-type.");
441 if (lsi->type != LuaScriptInfo::Snippet && lsi->type != LuaScriptInfo::EditorAction) {
442 msg = _("Invalid script-type.\nValid types are 'EditorAction' and 'Snippet'.");
446 // 3) if there's already a writable file,...
447 if ((sb.flags & Buffer_HasFile) && !(sb.flags & Buffer_ReadOnly)) {
449 Glib::file_set_contents (sb.path, script);
451 sb.flags &= BufferFlags(~Buffer_Dirty);
452 update_gui_state (); // XXX here?
453 append_text (X_("> ") + string_compose (_("Saved as %1"), sb.path));
455 } catch (Glib::FileError e) {
456 msg = string_compose (_("Error saving file: %1"), e.what());
461 // 4) check if the name is unique for the given type; locally at least
462 if (true /*sb.flags & Buffer_HasFile*/) {
463 LuaScriptList& lsl (LuaScripting::instance ().scripts (lsi->type));
464 for (LuaScriptList::const_iterator s = lsl.begin(); s != lsl.end(); ++s) {
465 if ((*s)->name == lsi->name) {
466 msg = string_compose (_("Script with given name '%1' already exists.\nUse a different name in the descriptor."), lsi->name);
472 // 5) construct filename -- TODO ask user for name, ask to replace file.
476 struct tm * timeinfo = localtime (&t);
477 strftime (buf, sizeof(buf), "%s%d", timeinfo);
478 sprintf (buf, "%s%ld", buf, random ()); // is this valid?
480 std::string fn = md5.digestString (buf);
483 case LuaScriptInfo::EditorAction:
486 case LuaScriptInfo::Snippet:
492 path = Glib::build_filename (LuaScripting::user_script_dir (), fn.substr(0, 11) + ".lua");
493 } while (Glib::file_test (path, Glib::FILE_TEST_EXISTS));
496 Glib::file_set_contents (path, script);
499 sb.flags |= Buffer_HasFile;
500 sb.flags &= BufferFlags(~Buffer_Dirty);
501 sb.flags &= BufferFlags(~Buffer_ReadOnly);
502 update_gui_state (); // XXX here? .refresh (true) may trigger this, too
503 LuaScripting::instance().refresh (true);
504 append_text (X_("> ") + string_compose (_("Saved as %1"), path));
506 } catch (Glib::FileError e) {
507 msg = string_compose (_("Error saving file: %1"), e.what());
512 MessageDialog am (msg);
517 LuaWindow::setup_buffers ()
519 if (script_buffers.size() > 0) {
522 script_buffers.push_back (ScriptBufferPtr (new LuaWindow::ScriptBuffer("#1")));
523 _current_buffer = script_buffers.front();
525 Glib::RefPtr<Gtk::TextBuffer> tb (entry.get_buffer());
526 tb->set_text (_current_buffer->script);
528 refresh_scriptlist ();
533 LuaWindow::count_scratch_buffers () const
536 for (ScriptBufferList::const_iterator i = script_buffers.begin (); i != script_buffers.end (); ++i) {
537 if ((*i)->flags & Buffer_Scratch) {
545 LuaWindow::refresh_scriptlist ()
547 for (ScriptBufferList::iterator i = script_buffers.begin (); i != script_buffers.end ();) {
548 if ((*i)->flags & Buffer_Scratch) {
552 i = script_buffers.erase (i);
554 LuaScriptList& lsa (LuaScripting::instance ().scripts (LuaScriptInfo::EditorAction));
555 for (LuaScriptList::const_iterator s = lsa.begin(); s != lsa.end(); ++s) {
556 script_buffers.push_back (ScriptBufferPtr (new LuaWindow::ScriptBuffer(*s)));
559 LuaScriptList& lss (LuaScripting::instance ().scripts (LuaScriptInfo::Snippet));
560 for (LuaScriptList::const_iterator s = lss.begin(); s != lss.end(); ++s) {
561 script_buffers.push_back (ScriptBufferPtr (new LuaWindow::ScriptBuffer(*s)));
567 LuaWindow::rebuild_menu ()
569 using namespace Menu_Helpers;
571 _menu_scratch = manage (new Menu);
572 _menu_snippet = manage (new Menu);
573 _menu_actions = manage (new Menu);
575 MenuList& items_scratch (_menu_scratch->items());
576 MenuList& items_snippet (_menu_snippet->items());
577 MenuList& items_actions (_menu_actions->items());
580 Menu_Helpers::MenuElem elem = Gtk::Menu_Helpers::MenuElem(_("New"),
581 sigc::mem_fun(*this, &LuaWindow::new_script));
582 items_scratch.push_back(elem);
585 items_scratch.push_back(SeparatorElem());
587 for (ScriptBufferList::const_iterator i = script_buffers.begin (); i != script_buffers.end (); ++i) {
589 if ((*i)->flags & Buffer_ReadOnly) {
590 name = "[R] " + (*i)->name;
594 Menu_Helpers::MenuElem elem = Gtk::Menu_Helpers::MenuElem(name,
595 sigc::bind(sigc::mem_fun(*this, &LuaWindow::script_selection_changed), (*i), false));
597 if ((*i)->flags & Buffer_Scratch) {
598 items_scratch.push_back(elem);
600 else if ((*i)->type == LuaScriptInfo::EditorAction) {
601 items_actions.push_back(elem);
603 else if ((*i)->type == LuaScriptInfo::Snippet) {
604 items_snippet.push_back(elem);
608 script_select.clear_items ();
609 script_select.AddMenuElem (Menu_Helpers::MenuElem ("Scratch", *_menu_scratch));
610 script_select.AddMenuElem (Menu_Helpers::MenuElem ("Snippets", *_menu_snippet));
611 script_select.AddMenuElem (Menu_Helpers::MenuElem ("Actions", *_menu_actions));
615 LuaWindow::script_selection_changed (ScriptBufferPtr n, bool force)
617 if (n == _current_buffer && !force) {
621 Glib::RefPtr<Gtk::TextBuffer> tb (entry.get_buffer());
623 if (_current_buffer->flags & Buffer_Valid) {
624 _current_buffer->script = tb->get_text();
627 if (!(n->flags & Buffer_Valid)) {
629 append_text ("! Failed to load buffer.");
633 if (n->flags & Buffer_Valid) {
635 _script_changed_connection.block ();
636 tb->set_text (n->script);
637 _script_changed_connection.unblock ();
639 append_text ("! Failed to switch buffer.");
645 LuaWindow::update_gui_state ()
647 const ScriptBuffer & sb (*_current_buffer);
649 if (sb.flags & Buffer_Scratch) {
650 name = string_compose (_("Scratch Buffer %1"), sb.name);
651 } else if (sb.type == LuaScriptInfo::EditorAction) {
652 name = string_compose (_("Action: '%1'"), sb.name);
653 } else if (sb.type == LuaScriptInfo::Snippet) {
654 name = string_compose (_("Snippet: %1"), sb.name);
656 cerr << "Invalid Script type\n";
660 if (sb.flags & Buffer_Dirty) {
663 script_select.set_text(name);
665 if (sb.flags & Buffer_ReadOnly) {
666 _btn_save.set_text (_("Save as"));
668 _btn_save.set_text (_("Save"));
670 _btn_save.set_sensitive (sb.flags & Buffer_Dirty);
671 _btn_delete.set_sensitive (sb.flags & Buffer_Scratch || ((sb.flags & (Buffer_ReadOnly | Buffer_HasFile)) == Buffer_HasFile));
672 _btn_revert.set_sensitive ((sb.flags & Buffer_Dirty) && (sb.flags & Buffer_HasFile));
676 LuaWindow::script_changed () {
677 if (_current_buffer->flags & Buffer_Dirty) {
680 _current_buffer->flags |= Buffer_Dirty;
684 LuaWindow::ScriptBuffer::ScriptBuffer (const std::string& n)
686 , flags (Buffer_Scratch | Buffer_Valid)
689 "---- this header is (only) required to save the script\n"
690 "-- ardour { [\"type\"] = \"Snippet\", name = \"\" }\n"
691 "-- function factory () return function () -- -- end end\n";
694 LuaWindow::ScriptBuffer::ScriptBuffer (LuaScriptInfoPtr p)
697 , flags (Buffer_HasFile)
700 if (!PBD::exists_and_writable (path)) {
701 flags |= Buffer_ReadOnly;
703 if (path.find (user_config_directory ()) != 0) {
704 // mark non-user scripts as read-only
705 flags |= Buffer_ReadOnly;
710 LuaWindow::ScriptBuffer::ScriptBuffer (const ScriptBuffer& other)
711 : script (other.script)
714 , flags (other.flags)
720 LuaWindow::ScriptBuffer::~ScriptBuffer ()
725 LuaWindow::ScriptBuffer::load ()
727 assert (!(flags & Buffer_Valid));
728 if (!(flags & Buffer_HasFile)) return false;
730 script = Glib::file_get_contents (path);
731 flags |= Buffer_Valid;
732 flags &= BufferFlags(~Buffer_Dirty);
733 } catch (Glib::FileError e) {