region_editor.h

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/*
 * Copyright (C) 2005-2018 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com>
 * Copyright (C) 2009-2011 David Robillard <d@drobilla.net>
 * Copyright (C) 2010 Carl Hetherington <carl@carlh.net>
 *
 * 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 <map>
 
#include <gtkmm/label.h>
#include <gtkmm/entry.h>
#include <gtkmm/box.h>
#include <gtkmm/eventbox.h>
#include <gtkmm/togglebutton.h>
#include <gtkmm/button.h>
#include <gtkmm/arrow.h>
#include <gtkmm/frame.h>
#include <gtkmm/table.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/separator.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/listviewtext.h>
#include <gtkmm/scrolledwindow.h>
 
#include "gtkmm2ext/bindings.h"
#include "gtkmm2ext/dndtreeview.h"
#include "gtkmm2ext/dndvbox.h"
 
#include "widgets/frame.h"
 
#include "pbd/signals.h"
 
#include "audio_clock.h"
#include "plugin_interest.h"
 
namespace ARDOUR {
        class Region;
        class Session;
        class RegionFxPlugin;
}
 
class RegionView;
class ClockGroup;
 
class RegionEditor : public ArdourWidgets::Frame, public ARDOUR::SessionHandlePtr
{
public:
        RegionEditor (ARDOUR::Session*, RegionView*);
        virtual ~RegionEditor ();
 
        std::shared_ptr<ARDOUR::Region> region () const { return _region; }
 
protected:
        virtual void region_changed (const PBD::PropertyChange&);
        virtual void region_fx_changed ();
 
        Gtk::Table _table;
        int _table_row;
 
private:
        class RegionFxEntry : public Gtkmm2ext::DnDVBoxChild, public sigc::trackable
        {
        public:
                RegionFxEntry (std::shared_ptr<ARDOUR::RegionFxPlugin>, bool pre);
 
                Gtk::EventBox& action_widget () { return _fx_btn; }
                Gtk::Widget& widget () { return _box; }
                std::string drag_text () const { return name (); }
                bool is_selectable() const { return _selectable; }
                bool can_copy_state (Gtkmm2ext::DnDVBoxChild*) const;
                void set_visual_state (Gtkmm2ext::VisualState, bool);
                bool drag_data_get (Glib::RefPtr<Gdk::DragContext> const, Gtk::SelectionData &);
                std::shared_ptr<ARDOUR::RegionFxPlugin> region_fx_plugin () const { return _rfx; }
 
        private:
                std::string name () const;
 
                Gtk::VBox                               _box;
                ArdourWidgets::ArdourButton             _fx_btn;
                std::shared_ptr<ARDOUR::RegionFxPlugin> _rfx;
                ARDOUR::PluginPresetPtr                 _plugin_preset_pointer;
                bool                                    _selectable;
        };
 
        class RegionFxBox : public Gtk::VBox, public PluginInterestedObject //, public ARDOUR::SessionHandlePtr
        {
        public:
                RegionFxBox (std::shared_ptr<ARDOUR::Region>);
                void redisplay_plugins ();
 
        private:
                static void register_actions();
                static void load_bindings ();
                static void static_delete ();
 
                static Glib::RefPtr<Gtk::ActionGroup> rfx_box_actions;
                static Gtkmm2ext::Bindings*           bindings;
                static RegionFxBox*                   current_rfx_box;
 
                void add_fx_to_display (std::weak_ptr<ARDOUR::RegionFxPlugin>);
                void show_plugin_gui (std::weak_ptr<ARDOUR::RegionFxPlugin>, bool custom_ui = true);
                void queue_delete_region_fx (std::weak_ptr<ARDOUR::RegionFxPlugin>);
                bool idle_delete_region_fx (std::weak_ptr<ARDOUR::RegionFxPlugin>);
                void notify_plugin_load_fail (uint32_t cnt = 1);
                bool enter_notify (GdkEventCrossing*);
                bool leave_notify (GdkEventCrossing*);
                void clear_automation (std::weak_ptr<ARDOUR::RegionFxPlugin>);
                void update_controls ();
                void delete_selected ();
 
                /* PluginInterestedObject */
                bool use_plugins (SelectedPlugins const&);
 
                /* DNDVbox signal handlers */
                bool fxe_button_press_event (GdkEventButton*, RegionFxEntry*);
                bool fxe_button_release_event (GdkEventButton*, RegionFxEntry*);
 
                void reordered ();
                void plugin_drop (Gtk::SelectionData const&, RegionFxEntry*, Glib::RefPtr<Gdk::DragContext> const&);
                void object_drop (Gtkmm2ext::DnDVBox<RegionFxEntry>*, RegionFxEntry*, Glib::RefPtr<Gdk::DragContext> const&);
                void delete_dragged_plugins (std::list<std::shared_ptr<ARDOUR::RegionFxPlugin>> const&);
                bool drag_refuse (Gtkmm2ext::DnDVBox<RegionFxEntry>*, RegionFxEntry*);
 
                std::shared_ptr<ARDOUR::RegionFxPlugin> find_drop_position (RegionFxEntry*);
 
                std::shared_ptr<ARDOUR::Region>   _region;
                Gtkmm2ext::DnDVBox<RegionFxEntry> _display;
                Gtk::ScrolledWindow               _scroller;
                Gtk::EventBox                     _base;
                bool                              _no_redisplay;
                int                               _placement;
 
                sigc::connection screen_update_connection;
        };
 
        std::shared_ptr<ARDOUR::Region> _region;
 
        void connect_editor_events ();
 
        Gtk::Label name_label;
        Gtk::Entry name_entry;
        Gtk::ToggleButton audition_button;
 
        Gtk::Label position_label;
        Gtk::Label end_label;
        Gtk::Label length_label;
        Gtk::Label sync_relative_label;
        Gtk::Label sync_absolute_label;
        Gtk::Label start_label;
        Gtk::Label region_fx_label;
 
        ClockGroup* _clock_group;
 
        AudioClock position_clock;
        AudioClock end_clock;
        AudioClock length_clock;
        AudioClock sync_offset_relative_clock; 
        AudioClock sync_offset_absolute_clock; 
        AudioClock start_clock;
 
        RegionFxBox _region_fx_box;
 
        PBD::ScopedConnection state_connection;
        PBD::ScopedConnection audition_connection;
        PBD::ScopedConnection region_connection;
 
        void bounds_changed (const PBD::PropertyChange&);
        void name_changed ();
 
        void audition_state_changed (bool);
 
        void activation ();
 
        void name_entry_changed ();
        void position_clock_changed ();
        void end_clock_changed ();
        void length_clock_changed ();
        void sync_offset_absolute_clock_changed ();
        void sync_offset_relative_clock_changed ();
 
        void audition_button_toggled ();
 
        gint bpressed (GdkEventButton* ev, Gtk::SpinButton* but, void (RegionEditor::*pmf)());
        gint breleased (GdkEventButton* ev, Gtk::SpinButton* but, void (RegionEditor::*pmf)());
 
        bool on_delete_event (GdkEventAny *);
 
        bool spin_arrow_grab;
 
        Gtk::Label _sources_label;
        Gtk::ListViewText _sources;
 
        void set_clock_mode_from_primary ();
};