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livetrax/gtk2_ardour/control_point.h
Robin Gareus 6ada6c553b
Speed up automation lane removal with many ctrl points
Deleting the group first, directly removes child items
without triggering Canvas::item_changed() for every item.

This significantly speeds up closing sessions (or deleting tracks)
with lots of automation events.
2020-05-20 01:02:36 +02:00

108 lines
2.9 KiB
C++

/*
* Copyright (C) 2007-2011 David Robillard <d@drobilla.net>
* Copyright (C) 2010-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2012-2014 Paul Davis <paul@linuxaudiosystems.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.
*/
#ifndef __ardour_control_point_h__
#define __ardour_control_point_h__
#include <sys/types.h>
#include <gdk/gdkevents.h>
#include "ardour/automation_list.h"
#include "selectable.h"
class AutomationLine;
class ControlPoint;
class PointSelection;
class TimeAxisView;
class AutomationTimeAxisView;
class Selectable;
class Selection;
namespace ArdourCanvas {
class Rectangle;
class Diamond;
class Item;
}
class ControlPoint : public Selectable
{
public:
ControlPoint (AutomationLine& al);
ControlPoint (const ControlPoint&, bool dummy_arg_to_force_special_copy_constructor);
virtual ~ControlPoint ();
enum ShapeType {
Full,
Start,
End
};
void move_to (double x, double y, ShapeType);
void reset (double x, double y, ARDOUR::AutomationList::iterator, uint32_t, ShapeType);
double get_x() const { return _x; }
double get_y() const { return _y; }
void hide ();
void show ();
bool visible () const;
double size () const {
return _size;
}
void set_size (double);
void set_color ();
bool can_slide() const { return _can_slide; }
void set_can_slide(bool yn) { _can_slide = yn; }
uint32_t view_index() const { return _view_index; }
void set_view_index(uint32_t i) { _view_index = i; }
ArdourCanvas::Item& item() const;
/* used from ~AutomationLine */
void unset_item () { _item = 0 ; }
ARDOUR::AutomationList::iterator model() const { return _model; }
AutomationLine& line() const { return _line; }
static PBD::Signal1<void, ControlPoint *> CatchDeletion;
private:
ArdourCanvas::Rectangle* _item;
AutomationLine& _line;
ARDOUR::AutomationList::iterator _model;
uint32_t _view_index;
bool _can_slide;
double _x;
double _y;
double _size;
ShapeType _shape;
virtual bool event_handler (GdkEvent*);
};
#endif /* __ardour_control_point_h__ */