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livetrax/gtk2_ardour/velocity_ghost_region.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.
*/
#ifndef __gtk_ardour_velocity_region_view_h__
#define __gtk_ardour_velocity_region_view_h__
#include "canvas/poly_line.h"
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#include "ghostregion.h"
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namespace ArdourCanvas {
class Lollipop;
}
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class VelocityGhostRegion : public MidiGhostRegion
{
public:
VelocityGhostRegion (MidiRegionView&, TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos);
~VelocityGhostRegion ();
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void update_contents_height();
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void add_note(NoteBase*);
void update_note (GhostEvent* note);
void update_hit (GhostEvent* hit);
void remove_note (NoteBase*);
void note_selected (NoteBase*);
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void set_colors ();
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void drag_lolli (ArdourCanvas::Lollipop* l, GdkEventMotion* ev);
int y_position_to_velocity (double y) const;
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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_rect; }
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private:
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bool dragging;
ArdourCanvas::PolyLine* dragging_line;
int last_drag_x;
bool drag_did_change;
bool selected;
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bool base_event (GdkEvent*);
bool lollevent (GdkEvent*, MidiGhostRegion::GhostEvent*);
void set_size_and_position (MidiGhostRegion::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);
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void desensitize_lollis ();
void sensitize_lollis ();
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};
#endif /* __gtk_ardour_velocity_region_view_h__ */