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livetrax/gtk2_ardour/velocity_display.h

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3.0 KiB
C++

/*
* 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.
*/
#ifndef __gtk_ardour_velocity_display_h__
#define __gtk_ardour_velocity_display_h__
#include "canvas/rectangle.h"
#include "canvas/poly_line.h"
#include "gtkmm2ext/colors.h"
#include "ghost_event.h"
namespace ArdourCanvas {
class Container;
class Lollipop;
class Rectangle;
}
class EditingContext;
class MidiViewBackground;
class MidiView;
class NoteBase;
class VelocityDisplay
{
public:
VelocityDisplay (EditingContext&, MidiViewBackground&, MidiView&, ArdourCanvas::Rectangle& base_rect, ArdourCanvas::Container&, GhostEvent::EventList& el, Gtkmm2ext::Color oc);
virtual ~VelocityDisplay ();
void redisplay();
void add_note(NoteBase*);
void update_note (GhostEvent* note);
void update_hit (GhostEvent* hit);
virtual void remove_note (NoteBase*) = 0;
void note_selected (NoteBase*);
void clear ();
void set_colors ();
void drag_lolli (ArdourCanvas::Lollipop* l, GdkEventMotion* ev);
int y_position_to_velocity (double y) const;
void set_selected (bool);
bool line_draw_motion (ArdourCanvas::Duple const & d, ArdourCanvas::Rectangle const & r, double last_x);
bool line_extended (ArdourCanvas::Duple const & from, ArdourCanvas::Duple const & to, ArdourCanvas::Rectangle const & r, double last_x);
void start_line_drag ();
void end_line_drag (bool did_change);
ArdourCanvas::Rectangle& base_item() { return base; }
protected:
virtual bool lollevent (GdkEvent*, GhostEvent*) = 0;
EditingContext& editing_context;
MidiViewBackground& bg;
MidiView& view;
ArdourCanvas::Rectangle& base;
ArdourCanvas::Container* lolli_container;
GhostEvent::EventList& events;
Gtkmm2ext::Color _outline;
bool dragging;
ArdourCanvas::PolyLine* dragging_line;
int last_drag_x;
bool drag_did_change;
bool selected;
GhostEvent::EventList::iterator _optimization_iterator;
virtual bool base_event (GdkEvent*) = 0;
void set_size_and_position (GhostEvent&);
void lollis_close_to_x (int x, double distance, std::vector<GhostEvent*>& events);
void lollis_between (int x0, int x1, std::vector<GhostEvent*>& events);
void desensitize_lollis ();
void sensitize_lollis ();
};
#endif /* __gtk_ardour_velocity_display_h__ */