automation_region_view.h

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/*
 * Copyright (C) 2007-2014 David Robillard <d@drobilla.net>
 * Copyright (C) 2009-2010 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
 *
 * 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 "ardour/types.h"
 
#include "region_view.h"
#include "automation_time_axis.h"
#include "editor_automation_line.h"
#include "enums.h"
#include "line_merger.h"
 
namespace ARDOUR {
        class AutomationList;
        class Parameter;
};
 
class TimeAxisView;
 
class AutomationRegionView : public RegionView, public LineMerger
{
public:
        AutomationRegionView(ArdourCanvas::Container*,
                             AutomationTimeAxisView&,
                             std::shared_ptr<ARDOUR::Region>,
                             const Evoral::Parameter& parameter,
                             std::shared_ptr<ARDOUR::AutomationList>,
                             double initial_samples_per_pixel,
                             uint32_t basic_color);
 
        ~AutomationRegionView();
 
        void init (bool wfd);
 
        void set_selected (bool yn);
 
        bool paste (Temporal::timepos_t const &                     pos,
                    unsigned                                        paste_count,
                    float                                           times,
                    std::shared_ptr<const ARDOUR::AutomationList> slist);
 
        inline AutomationTimeAxisView* automation_view() const
                { return dynamic_cast<AutomationTimeAxisView*>(&trackview); }
 
        std::shared_ptr<EditorAutomationLine> line() { return _line; }
 
        // We are a ghost.  Meta ghosts?  Crazy talk.
        virtual GhostRegion* add_ghost(TimeAxisView&) { return 0; }
 
        uint32_t get_fill_color() const;
 
        void set_height (double);
        void reset_width_dependent_items(double pixel_width);
 
        void tempo_map_changed ();
 
        MergeableLine* make_merger ();
 
        void add_automation_event (GdkEvent* event);
        Temporal::timepos_t drawn_time_filter (Temporal::timepos_t const &);
 
protected:
        void create_line(std::shared_ptr<ARDOUR::AutomationList> list);
        bool set_position(Temporal::timepos_t const & pos, void* src, double* ignored);
        void region_resized (const PBD::PropertyChange&);
        bool canvas_group_event(GdkEvent* ev);
        void add_automation_event (Temporal::timepos_t const & when, double y, bool with_guard_points);
        void mouse_mode_changed ();
        void entered();
        void exited();
        void redisplay (bool) {}
 
private:
        Evoral::Parameter                   _parameter;
        std::shared_ptr<EditorAutomationLine>   _line;
        PBD::ScopedConnection               _mouse_mode_connection;
};