midi_region_view.h

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/*
 * Copyright (C) 2006-2015 David Robillard <d@drobilla.net>
 * Copyright (C) 2008-2012 Hans Baier <hansfbaier@googlemail.com>
 * Copyright (C) 2008-2017 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2015-2016 Tim Mayberry <mojofunk@gmail.com>
 * Copyright (C) 2015-2017 Nick Mainsbridge <mainsbridge@gmail.com>
 * Copyright (C) 2015-2017 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.
 */
 
#pragma once
 
#include <string>
#include <vector>
#include <stdint.h>
 
#include "pbd/signals.h"
 
#include "ardour/midi_model.h"
#include "ardour/types.h"
 
#include "editing.h"
#include "region_view.h"
#include "midi_time_axis.h"
#include "midi_view.h"
#include "time_axis_view_item.h"
#include "editor_automation_line.h"
#include "enums.h"
 
namespace ARDOUR {
        class MidiRegion;
        class MidiModel;
        class Filter;
};
 
namespace MIDI {
        namespace Name {
                struct PatchPrimaryKey;
        };
};
 
class SysEx;
class Note;
class Hit;
class MidiTimeAxisView;
class NoteBase;
class GhostRegion;
class AutomationTimeAxisView;
class AutomationRegionView;
class MidiCutBuffer;
class MidiListEditor;
class EditNoteDialog;
class PatchChange;
class ItemCounts;
class CursorContext;
class VelocityGhostRegion;
class EditingContext;
 
class MidiRegionView : public RegionView, public MidiView
{
public:
        typedef Evoral::Note<Temporal::Beats> NoteType;
        typedef Evoral::Sequence<Temporal::Beats>::Notes Notes;
 
        MidiRegionView (ArdourCanvas::Container*              parent,
                        EditingContext&,
                        RouteTimeAxisView&                    tv,
                        std::shared_ptr<ARDOUR::MidiRegion> r,
                        double                                samples_per_pixel,
                        uint32_t                              basic_color);
 
        MidiRegionView (ArdourCanvas::Container*              parent,
                        EditingContext&,
                        RouteTimeAxisView&                    tv,
                        std::shared_ptr<ARDOUR::MidiRegion> r,
                        double                                samples_per_pixel,
                        uint32_t                              basic_color,
                        bool                                  recording,
                        Visibility                            visibility);
 
 
        MidiRegionView (const MidiRegionView& other);
        MidiRegionView (const MidiRegionView& other, std::shared_ptr<ARDOUR::MidiRegion>);
 
        ~MidiRegionView ();
 
        void init (bool wfd);
        bool display_is_enabled() const;
 
        void set_selected (bool yn);
 
        const std::shared_ptr<ARDOUR::MidiRegion> midi_region() const;
 
        inline MidiTimeAxisView* midi_view() const
        { return dynamic_cast<MidiTimeAxisView*>(&trackview); }
 
        inline MidiStreamView* midi_stream_view() const
        { return midi_view()->midi_view(); }
 
        void set_height (double);
        void set_model (std::shared_ptr<ARDOUR::MidiModel>);
 
        inline ARDOUR::ColorMode color_mode() const { return midi_view()->color_mode(); }
 
        std::string get_modifier_name() const;
 
        GhostRegion* add_ghost (TimeAxisView&);
 
        ARDOUR::InstrumentInfo& instrument_info() const;
 
        double height() const;
        void redisplay (bool);
 
        ArdourCanvas::Item* drag_group() const;
        void select_self (bool add);
        void unselect_self ();
        void select_self_uniquely ();
        void begin_drag_edit (std::string const & why);
 
        void set_visibility_note_range (MidiViewBackground::VisibleNoteRange, bool);
 
        MergeableLine* make_merger ();
 
  protected:
        void reset_width_dependent_items (double pixel_width);
        void parameter_changed (std::string const & p);
        uint32_t get_fill_color() const;
        void color_handler ();
        void region_resized (const PBD::PropertyChange&);
        bool canvas_group_event (GdkEvent*);
        void add_control_points_to_selection (Temporal::timepos_t const &, Temporal::timepos_t const &, double y0, double y1);
 
  private:
 
        friend class MidiRubberbandSelectDrag;
        friend class MidiVerticalSelectDrag;
        friend class NoteDrag;
        friend class NoteCreateDrag;
        friend class HitCreateDrag;
        friend class MidiGhostRegion;
 
        friend class EditNoteDialog;
 
        void clear_ghost_events();
        void ghosts_model_changed();
        void ghosts_view_changed();
        void ghost_remove_note (NoteBase*);
        void ghost_add_note (NoteBase*);
        void ghost_sync_selection (NoteBase*);
 
        bool motion (GdkEventMotion*);
        bool scroll (GdkEventScroll*);
        bool button_press (GdkEventButton*);
        bool button_release (GdkEventButton*);
        bool enter_notify (GdkEventCrossing*);
        bool leave_notify (GdkEventCrossing*);
 
        void enter_internal (uint32_t state);
        void leave_internal ();
        void mouse_mode_changed ();
 
        double contents_height() const { return (_height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE - 2); }
 
        void connect_to_diskstream ();
};