region_list_base.h

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/*
 * Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2009-2011 David Robillard <d@drobilla.net>
 * Copyright (C) 2009-2018 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2018 Ben Loftis <ben@harrisonconsoles.com>
 * Copyright (C) 2021 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 _gtk_ardour_region_list_base_h_
#define _gtk_ardour_region_list_base_h_
 
#include <unordered_map>
 
#include <gtkmm/celleditable.h>
#include <gtkmm/frame.h>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/treemodel.h>
#include <gtkmm/treerowreference.h>
#include <gtkmm/treestore.h>
 
#include "gtkmm2ext/utils.h"
 
#include "pbd/properties.h"
#include "pbd/signals.h"
 
#include "ardour/session_handle.h"
#include "ardour/types.h"
 
#include "gtkmm2ext/dndtreeview.h"
 
//#define SHOW_REGION_EXTRAS
 
namespace ARDOUR
{
        class Region;
        class AudioRegion;
}
 
class RegionListBase : public ARDOUR::SessionHandlePtr
{
public:
        RegionListBase ();
 
        void set_session (ARDOUR::Session*);
 
        Gtk::Widget& widget ()
        {
                return _scroller;
        }
 
        void clear ();
 
        void redisplay ();
 
        void suspend_redisplay ()
        {
                _no_redisplay = true;
        }
 
        void resume_redisplay ()
        {
                _no_redisplay = false;
                redisplay ();
        }
 
        void block_change_connection (bool b)
        {
                _change_connection.block (b);
        }
 
        void unselect_all ()
        {
                _display.get_selection ()->unselect_all ();
        }
 
protected:
        struct Columns : public Gtk::TreeModel::ColumnRecord {
                Columns ()
                {
                        add (name);     // 0
                        add (channels); // 1
                        add (tags);     // 2
                        add (start);    // 3
                        add (length);   // 3
                        add (end);      // 5
                        add (sync);     // 6
                        add (fadein);   // 7
                        add (fadeout);  // 8
                        add (locked);   // 9
                        add (muted);    // 11
                        add (opaque);   // 12
                        add (path);     // 13
                        add (region);   // 14
                        add (color_);   // 15
                        add (position); // 16
                        /* src-list */
                        add (captd_for);   // 17
                        add (take_id);     // 18
                        add (natural_pos); // 19
                        add (natural_s);   // 20
                        add (captd_xruns);
                }
 
                Gtk::TreeModelColumn<std::string>                       name;
                Gtk::TreeModelColumn<int>                               channels;
                Gtk::TreeModelColumn<std::string>                       tags;
                Gtk::TreeModelColumn<Temporal::timepos_t>               position;
                Gtk::TreeModelColumn<std::string>                       start;
                Gtk::TreeModelColumn<std::string>                       end;
                Gtk::TreeModelColumn<std::string>                       length;
                Gtk::TreeModelColumn<std::string>                       sync;
                Gtk::TreeModelColumn<std::string>                       fadein;
                Gtk::TreeModelColumn<std::string>                       fadeout;
                Gtk::TreeModelColumn<bool>                              locked;
                Gtk::TreeModelColumn<bool>                              muted;
                Gtk::TreeModelColumn<bool>                              opaque;
                Gtk::TreeModelColumn<std::string>                       path;
                Gtk::TreeModelColumn<std::shared_ptr<ARDOUR::Region>> region;
                Gtk::TreeModelColumn<Gdk::Color>                        color_;
                Gtk::TreeModelColumn<std::string>                       captd_for;
                Gtk::TreeModelColumn<std::string>                       take_id;
                Gtk::TreeModelColumn<std::string>                       natural_pos;
                Gtk::TreeModelColumn<Temporal::timepos_t>               natural_s;
                Gtk::TreeModelColumn<size_t>                            captd_xruns;
        };
 
        void add_name_column ();
        void add_tag_column ();
 
        template <class T>
        Gtk::TreeViewColumn* append_col (Gtk::TreeModelColumn<T> const& col, int width)
        {
                Gtk::TreeViewColumn* c = manage (new Gtk::TreeViewColumn ("", col));
                c->set_fixed_width (width);
                c->set_sizing (Gtk::TREE_VIEW_COLUMN_FIXED);
                _display.append_column (*c);
                return c;
        }
 
        template <class T>
        Gtk::TreeViewColumn* append_col (Gtk::TreeModelColumn<T> const& col, std::string const& sizing_text)
        {
                int w, h;
                Glib::RefPtr<Pango::Layout> layout = _display.create_pango_layout (sizing_text);
                layout->get_pixel_size (w, h);
                return append_col (col, w);
        }
 
        void setup_col (Gtk::TreeViewColumn*, int, Gtk::AlignmentEnum, const char*, const char*, bool require_mod_to_edit = false);
        void setup_toggle (Gtk::TreeViewColumn*, sigc::slot<void, std::string>);
 
        void freeze_tree_model ();
        void thaw_tree_model ();
        void remove_weak_region (std::weak_ptr<ARDOUR::Region>);
 
        virtual void regions_changed (std::shared_ptr<ARDOUR::RegionList>, PBD::PropertyChange const&);
 
        void name_editing_started (Gtk::CellEditable*, const Glib::ustring&);
        void name_editing_canceled ();
        void tag_editing_started (Gtk::CellEditable*, const Glib::ustring&);
        void tag_editing_canceled ();
 
        virtual void name_edit (const std::string&, const std::string&);
        virtual void tag_edit (const std::string&, const std::string&);
 
        void locked_changed (std::string const&);
        void muted_changed (std::string const&);
        void opaque_changed (std::string const&);
 
        virtual bool key_press (GdkEventKey*);
        virtual bool button_press (GdkEventButton*)
        {
                return false;
        }
 
        bool focus_in (GdkEventFocus*);
        bool focus_out (GdkEventFocus*);
 
        bool enter_notify (GdkEventCrossing*);
        bool leave_notify (GdkEventCrossing*);
 
        void format_position (Temporal::timepos_t const& pos, char* buf, size_t bufsize, bool onoff = true) const;
 
        void add_region (std::shared_ptr<ARDOUR::Region>);
 
        void populate_row (std::shared_ptr<ARDOUR::Region>, Gtk::TreeModel::Row const&, PBD::PropertyChange const&);
        void populate_row_used (std::shared_ptr<ARDOUR::Region> region, Gtk::TreeModel::Row const& row);
        void populate_row_position (std::shared_ptr<ARDOUR::Region> region, Gtk::TreeModel::Row const& row);
        void populate_row_end (std::shared_ptr<ARDOUR::Region> region, Gtk::TreeModel::Row const& row);
        void populate_row_sync (std::shared_ptr<ARDOUR::Region> region, Gtk::TreeModel::Row const& row);
        void populate_row_fade_in (std::shared_ptr<ARDOUR::Region> region, Gtk::TreeModel::Row const& row, std::shared_ptr<ARDOUR::AudioRegion>);
        void populate_row_fade_out (std::shared_ptr<ARDOUR::Region> region, Gtk::TreeModel::Row const& row, std::shared_ptr<ARDOUR::AudioRegion>);
        void populate_row_locked (std::shared_ptr<ARDOUR::Region> region, Gtk::TreeModel::Row const& row);
        void populate_row_muted (std::shared_ptr<ARDOUR::Region> region, Gtk::TreeModel::Row const& row);
        void populate_row_opaque (std::shared_ptr<ARDOUR::Region> region, Gtk::TreeModel::Row const& row);
        void populate_row_length (std::shared_ptr<ARDOUR::Region> region, Gtk::TreeModel::Row const& row);
        void populate_row_name (std::shared_ptr<ARDOUR::Region> region, Gtk::TreeModel::Row const& row);
        void populate_row_source (std::shared_ptr<ARDOUR::Region> region, Gtk::TreeModel::Row const& row);
 
        void clock_format_changed ();
 
        void drag_begin (Glib::RefPtr<Gdk::DragContext> const&);
        void drag_end (Glib::RefPtr<Gdk::DragContext> const&);
        void drag_data_get (Glib::RefPtr<Gdk::DragContext> const&, Gtk::SelectionData&, guint, guint);
 
        virtual bool list_region (std::shared_ptr<ARDOUR::Region>) const;
 
        Columns _columns;
 
        int           _sort_col_id;
        Gtk::SortType _sort_type;
 
        Gtk::CellEditable* _name_editable;
        Gtk::CellEditable* _tags_editable;
        Gtk::Widget*       _old_focus;
 
        Gtk::ScrolledWindow _scroller;
        Gtk::Frame          _frame;
 
        Gtkmm2ext::DnDTreeView<std::shared_ptr<ARDOUR::Region>> _display;
 
        Glib::RefPtr<Gtk::TreeStore> _model;
 
        bool _no_redisplay;
 
        typedef std::unordered_map<std::shared_ptr<ARDOUR::Region>, Gtk::TreeModel::iterator> RegionRowMap;
 
        RegionRowMap region_row_map;
 
        sigc::connection _change_connection;
 
        PBD::ScopedConnection _editor_freeze_connection;
        PBD::ScopedConnection _editor_thaw_connection;
 
        PBD::ScopedConnectionList _remove_region_connections;
};
 
#endif /* _gtk_ardour_region_list_base_h_ */