export_channel_selector.h

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/*
 * Copyright (C) 2008-2013 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2008-2013 Sakari Bergen <sakari.bergen@beatwaves.net>
 * Copyright (C) 2009-2012 David Robillard <d@drobilla.net>
 * Copyright (C) 2013-2015 Colin Fletcher <colin.m.fletcher@googlemail.com>
 * Copyright (C) 2016-2019 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.
 */
 
#ifndef __export_channel_selector_h__
#define __export_channel_selector_h__
 
#include <list>
#include <memory>
 
#include "ardour/export_profile_manager.h"
 
#ifdef interface
#undef interface
#endif
 
#include <sigc++/signal.h>
 
 
#include <gtkmm/alignment.h>
#include <gtkmm/box.h>
#include <gtkmm/cellrenderercombo.h>
#include <gtkmm/checkbutton.h>
#include <gtkmm/label.h>
#include <gtkmm/liststore.h>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/treemodel.h>
#include <gtkmm/treeview.h>
 
#include "widgets/ardour_dropdown.h"
 
namespace ARDOUR {
        class Session;
        class ExportChannelConfiguration;
        class RegionExportChannelFactory;
        class ExportHandler;
        class AudioPort;
        class IO;
        class AudioRegion;
        class AudioTrack;
}
 
class XMLNode;
 
class ExportChannelSelector : public Gtk::HBox, public ARDOUR::SessionHandlePtr
{
protected:
        typedef std::shared_ptr<ARDOUR::ExportChannelConfiguration> ChannelConfigPtr;
        typedef std::list<ChannelConfigPtr> ChannelConfigList;
        typedef std::shared_ptr<ARDOUR::ExportProfileManager> ProfileManagerPtr;
 
        ProfileManagerPtr manager;
 
public:
        ExportChannelSelector (ARDOUR::Session * session, ProfileManagerPtr manager)
                : SessionHandlePtr (session)
                , manager (manager)
        {}
 
        virtual ~ExportChannelSelector () {}
 
        virtual void sync_with_manager () = 0;
        virtual bool channel_limit_reached () const = 0;
 
        sigc::signal<void> CriticalSelectionChanged;
};
 
class PortExportChannelSelector : public ExportChannelSelector
{
public:
 
        PortExportChannelSelector (ARDOUR::Session * session, ProfileManagerPtr manager);
        ~PortExportChannelSelector ();
 
        void sync_with_manager ();
        bool channel_limit_reached () const;
 
private:
 
        void fill_route_list ();
        void update_channel_count ();
        void update_split_state ();
 
        typedef std::list<ARDOUR::ExportChannelPtr> CahnnelList;
 
        ARDOUR::ExportProfileManager::ChannelConfigStatePtr state;
 
        /*** GUI stuff ***/
 
        Gtk::VBox         channels_vbox;
        Gtk::HBox         channels_hbox;
 
        Gtk::Label        channels_label;
        Gtk::SpinButton   channels_spinbutton;
        Gtk::CheckButton  split_checkbox;
 
        /* Column record for channel selector view */
 
        class RouteCols : public Gtk::TreeModelColumnRecord
        {
        public:
 
                struct Channel;
 
                RouteCols () : n_channels (0)
                { add (selected); add (name); add (io); add (port_list_col); }
 
                void add_channels (uint32_t chans);
                uint32_t n_channels;
 
                /* Channel count starts from one! */
 
                Channel & get_channel (uint32_t channel);
 
                /* Static columns */
 
                Gtk::TreeModelColumn<bool>           selected;
                Gtk::TreeModelColumn<std::string>  name;
                Gtk::TreeModelColumn<ARDOUR::IO *>   io;
 
                /* Combo list column (shared by all channels) */
 
                typedef Gtk::TreeModelColumn<Glib::RefPtr<Gtk::ListStore> > ComboCol;
                ComboCol                             port_list_col;
 
                /* Channel struct, that represents the selected port and its name */
 
                struct Channel {
                public:
                        Channel (RouteCols & cols) { cols.add (port); cols.add (label); }
 
                        Gtk::TreeModelColumn<std::weak_ptr<ARDOUR::AudioPort> > port;
                        Gtk::TreeModelColumn<std::string> label;
                };
                std::list<Channel> channels;
 
                /* List of available ports
                 * Note: We need only one list of selectable ports per route,
                 * so the list is kept in the column record
                 */
 
                /* Column record for selecting ports for a channel from a route */
 
                class PortCols : public Gtk::TreeModel::ColumnRecord
                {
                public:
                        PortCols () { add(selected); add(port); add(label); }
 
                        Gtk::TreeModelColumn<bool> selected;  // not used ATM
                        Gtk::TreeModelColumn<std::weak_ptr<ARDOUR::AudioPort> > port;
                        Gtk::TreeModelColumn<std::string> label;
                };
                PortCols port_cols;
        };
 
        /* Channels view */
 
        class ChannelTreeView : public Gtk::TreeView
        {
        public:
 
                ChannelTreeView (uint32_t max_channels);
                void set_config (ChannelConfigPtr c);
 
                /* Routes have to be added before adding channels */
 
                void clear_routes () { route_list->clear (); }
                void add_route (ARDOUR::IO * route);
                void set_channel_count (uint32_t channels);
                uint32_t channel_count () const { return n_channels; }
                uint32_t max_route_channel_count () const;
 
                sigc::signal<void> CriticalSelectionChanged;
 
        private:
 
                ChannelConfigPtr config;
                void update_config ();
 
                /* Signal handlers for selections changes in the view */
 
                void update_toggle_selection (std::string const & path);
                void update_selection_text (std::string const & path, std::string const & new_text, uint32_t channel);
 
                RouteCols                     route_cols;
                Glib::RefPtr<Gtk::ListStore>  route_list;
 
                uint32_t                      static_columns;
                uint32_t                      n_channels;
        };
 
        uint32_t                     max_channels;
 
        Gtk::ScrolledWindow          channel_scroller;
        Gtk::Alignment               channel_alignment;
        ChannelTreeView              channel_view;
 
};
 
class RegionExportChannelSelector : public ExportChannelSelector
{
public:
        RegionExportChannelSelector (ARDOUR::Session * session,
                                     ProfileManagerPtr manager,
                                     ARDOUR::AudioRegion const & region,
                                     ARDOUR::AudioTrack & track);
 
        virtual void sync_with_manager ();
        bool channel_limit_reached () const { return false; }
 
private:
 
        void handle_selection ();
 
        ARDOUR::ExportProfileManager::ChannelConfigStatePtr state;
        std::shared_ptr<ARDOUR::RegionExportChannelFactory> factory;
        ARDOUR::AudioRegion const & region;
        ARDOUR::AudioTrack & track;
 
        uint32_t region_chans;
 
        /*** GUI components ***/
 
        Gtk::VBox             vbox;
 
        Gtk::RadioButtonGroup type_group;
        Gtk::RadioButton      raw_button;
        Gtk::RadioButton      fades_button;
};
 
class TrackExportChannelSelector : public ExportChannelSelector
{
  public:
        TrackExportChannelSelector (ARDOUR::Session * session, ProfileManagerPtr manager);
        ~TrackExportChannelSelector ();
 
        void sync_with_manager ();
 
        bool track_output () const { return track_output_button.get_active(); }
        bool channel_limit_reached () const { return false; }
 
  private:
 
        void fill_list();
        bool sync_with_manager_state ();
        void add_track (std::shared_ptr<ARDOUR::Route> route, bool selected);
        void update_config();
        ChannelConfigList configs;
 
        Gtk::VBox main_layout;
 
        struct TrackCols : public Gtk::TreeModelColumnRecord
        {
          public:
                Gtk::TreeModelColumn<std::shared_ptr<ARDOUR::Route> > route;
                Gtk::TreeModelColumn<std::string>     label;
                Gtk::TreeModelColumn<bool>            selected;
                Gtk::TreeModelColumn<uint32_t>        order_key;
 
                TrackCols () { add (route); add(label); add(selected); add(order_key); }
        };
        TrackCols                    track_cols;
 
        Glib::RefPtr<Gtk::ListStore> track_list;
        Gtk::TreeView                track_view;
 
        Gtk::ScrolledWindow          track_scroller;
 
        Gtk::HBox                     options_box;
        Gtk::CheckButton              track_output_button;
        ArdourWidgets::ArdourDropdown select_menu;
        Gtk::CheckMenuItem*           exclude_hidden;
        Gtk::CheckMenuItem*           exclude_muted;
        void select_tracks (int);
        void select_busses ();
        void select_none ();
 
        void track_outputs_selected ();
        bool _syncing_with_manager;
};
 
#endif /* __export_channel_selector_h__ */