luawindow.h

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/*
 * Copyright (C) 2016-2017 Robin Gareus <robin@gareus.org>
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
#pragma once
 
#include <glibmm/thread.h>
 
#include <gtkmm/box.h>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/label.h>
#include <gtkmm/textview.h>
#include <gtkmm/window.h>
 
#include "pbd/signals.h"
#include "pbd/stateful.h"
 
#include "ardour/ardour.h"
#include "ardour/luascripting.h"
#include "ardour/session_handle.h"
#include "ardour/types.h"
 
#include "gtkmm2ext/visibility_tracker.h"
 
#include "lua/luastate.h"
 
#include "widgets/ardour_button.h"
#include "widgets/ardour_dropdown.h"
 
#include "ardour_window.h"
 
class LuaWindow :
        public ArdourWindow,
        public PBD::ScopedConnectionList
{
public:
        static LuaWindow* instance();
        ~LuaWindow();
 
        void show_window ();
        bool hide_window (GdkEventAny *ev);
        void edit_script (const std::string&, const std::string&);
 
        void set_session (ARDOUR::Session* s);
 
        typedef enum {
                Buffer_NOFLAG     = 0x00,
                Buffer_Valid      = 0x01, 
                Buffer_HasFile    = 0x02,
                Buffer_ReadOnly   = 0x04,
                Buffer_Dirty      = 0x08,
                Buffer_Scratch    = 0x10,
        } BufferFlags;
 
        class ScriptBuffer
        {
        public:
                ScriptBuffer (const std::string&);
                ScriptBuffer (ARDOUR::LuaScriptInfoPtr);
                //ScriptBuffer (const ScriptBuffer& other);
                ~ScriptBuffer ();
 
                bool load ();
 
                std::string script;
                std::string name;
                std::string path;
                BufferFlags flags;
                ARDOUR::LuaScriptInfo::ScriptType type;
        };
 
private:
        LuaWindow ();
        static LuaWindow* _instance;
 
        LuaState *lua;
        bool _visible;
 
        Gtk::Menu* _menu_scratch;
        Gtk::Menu* _menu_snippet;
        Gtk::Menu* _menu_actions;
 
        sigc::connection _script_changed_connection;
 
        Gtk::TextView entry;
        Gtk::TextView outtext;
        Gtk::ScrolledWindow scrollout;
 
        ArdourWidgets::ArdourButton _btn_run;
        ArdourWidgets::ArdourButton _btn_clear;
        ArdourWidgets::ArdourButton _btn_open;
        ArdourWidgets::ArdourButton _btn_save;
        ArdourWidgets::ArdourButton _btn_delete;
        ArdourWidgets::ArdourButton _btn_revert;
 
        ArdourWidgets::ArdourDropdown script_select;
 
        typedef std::shared_ptr<ScriptBuffer> ScriptBufferPtr;
        typedef std::vector<ScriptBufferPtr> ScriptBufferList;
 
        ScriptBufferList script_buffers;
        ScriptBufferPtr _current_buffer;
 
        void session_going_away ();
        void update_title ();
        void reinit_lua ();
 
        void setup_buffers ();
        void refresh_scriptlist ();
        void rebuild_menu ();
        uint32_t count_scratch_buffers () const;
 
        void script_changed ();
        void script_selection_changed (ScriptBufferPtr n, bool force = false);
        void update_gui_state ();
 
        void append_text (std::string s);
        void scroll_to_bottom ();
        void clear_output ();
 
        void run_script ();
 
        void new_script ();
        void delete_script ();
        void revert_script ();
        void import_script ();
        void save_script ();
};