editor_sections.h

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/*
 * Copyright (C) 2023 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_editor_sections_h_
#define _gtk_ardour_editor_sections_h_
 
#include <unordered_map>
 
#include "ardour/location.h"
#include "ardour/session_handle.h"
 
#include <ytkmm/liststore.h>
#include <ytkmm/scrolledwindow.h>
#include <ytkmm/treemodel.h>
#include <ytkmm/treeview.h>
 
class EditingContext;
 
class EditorSections : public ARDOUR::SessionHandlePtr, public virtual sigc::trackable
{
public:
        EditorSections (EditingContext&);
 
        void set_session (ARDOUR::Session*);
 
        Gtk::Widget& widget ()
        {
                return _scroller;
        }
 
        void select (ARDOUR::Location*);
 
private:
        void redisplay ();
        void queue_redisplay ();
        bool idle_redisplay ();
        void location_changed (ARDOUR::Location*);
        bool delete_selected_section ();
        bool rename_selected_section ();
 
        void update_time_selection ();
        void selection_changed ();
        void clock_format_changed ();
        bool scroll_row_timeout ();
        void show_context_menu (int, int);
 
        bool key_press (GdkEventKey*);
        bool button_press (GdkEventButton*);
        bool enter_notify (GdkEventCrossing*);
        bool leave_notify (GdkEventCrossing*);
 
        void drag_data_get (Glib::RefPtr<Gdk::DragContext> const&, Gtk::SelectionData&, guint, guint);
        void drag_begin (Glib::RefPtr<Gdk::DragContext> const&);
        bool drag_motion (Glib::RefPtr<Gdk::DragContext> const&, int, int, guint);
        void drag_data_received (Glib::RefPtr<Gdk::DragContext> const&, int, int, Gtk::SelectionData const&, guint, guint);
        void drag_leave (Glib::RefPtr<Gdk::DragContext> const&, guint);
 
        void name_edited (const std::string&, const std::string&);
 
        struct Section {
                Section ()
                    : location (NULL)
                    , start (0)
                    , end (0)
                {
                }
 
                Section (ARDOUR::Location const* const l, Temporal::timepos_t const& s, Temporal::timepos_t const& e)
                    : location (l)
                    , start (s)
                    , end (e)
                {
                }
 
                ARDOUR::Location const* const location;
                Temporal::timepos_t const     start;
                Temporal::timepos_t const     end;
        };
 
        struct Columns : public Gtk::TreeModel::ColumnRecord {
                Columns ()
                {
                        add (name);
                        add (s_start);
                        add (s_end);
                        add (location);
                        add (start);
                        add (end);
                }
                Gtk::TreeModelColumn<std::string>         name;
                Gtk::TreeModelColumn<std::string>         s_start;
                Gtk::TreeModelColumn<std::string>         s_end;
                Gtk::TreeModelColumn<ARDOUR::Location*>   location;
                Gtk::TreeModelColumn<Temporal::timepos_t> start;
                Gtk::TreeModelColumn<Temporal::timepos_t> end;
        };
 
        typedef std::unordered_map<ARDOUR::Location*, Gtk::TreeModel::iterator> LocationRowMap;
 
        Columns                      _columns;
        Glib::RefPtr<Gtk::ListStore> _model;
        Gtk::TreeView                _view;
        Gtk::ScrolledWindow          _scroller;
 
        EditingContext&  editing_context;
        LocationRowMap   _location_row_map;
        bool             _no_redisplay;
        sigc::connection _scroll_timeout;
        sigc::connection _selection_change;
        sigc::connection _redisplay_connection;
};
 
#endif