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livetrax/gtk2_ardour/control_point.cc
Robin Gareus 4050ca5633
Update GPL boilerplate and (C)
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

173 lines
3.9 KiB
C++

/*
* Copyright (C) 2007-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2009-2016 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.
*/
#include "control_point.h"
#include "automation_line.h"
#include "public_editor.h"
#include "ui_config.h"
#include "canvas/rectangle.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
PBD::Signal1<void, ControlPoint *> ControlPoint::CatchDeletion;
ControlPoint::ControlPoint (AutomationLine& al)
: _line (al)
{
_model = al.the_list()->end();
_view_index = 0;
_can_slide = true;
_x = 0;
_y = 0;
_shape = Full;
_size = 4.0;
_item = new ArdourCanvas::Rectangle (&_line.canvas_group());
_item->set_fill (true);
_item->set_fill_color (UIConfiguration::instance().color ("control point fill"));
_item->set_outline_color (UIConfiguration::instance().color ("control point outline"));
_item->set_data ("control_point", this);
_item->Event.connect (sigc::mem_fun (this, &ControlPoint::event_handler));
hide ();
}
ControlPoint::ControlPoint (const ControlPoint& other, bool /*dummy_arg_to_force_special_copy_constructor*/)
: _line (other._line)
{
if (&other == this) {
return;
}
_model = other._model;
_view_index = other._view_index;
_can_slide = other._can_slide;
_x = other._x;
_y = other._y;
_shape = other._shape;
_size = other._size;
_item = new ArdourCanvas::Rectangle (&_line.canvas_group());
_item->set_fill (true);
_item->set_outline_color (UIConfiguration::instance().color ("control point outline"));
/* NOTE: no event handling in copied ControlPoints */
hide ();
}
ControlPoint::~ControlPoint ()
{
CatchDeletion (this); /* EMIT SIGNAL */
delete _item;
}
bool
ControlPoint::event_handler (GdkEvent* event)
{
return PublicEditor::instance().canvas_control_point_event (event, _item, this);
}
void
ControlPoint::hide ()
{
_item->hide();
}
void
ControlPoint::show()
{
_item->show();
}
bool
ControlPoint::visible () const
{
return _item->visible ();
}
void
ControlPoint::reset (double x, double y, AutomationList::iterator mi, uint32_t vi, ShapeType shape)
{
_model = mi;
_view_index = vi;
move_to (x, y, shape);
}
void
ControlPoint::set_color ()
{
if (_selected) {
_item->set_outline_color(UIConfiguration::instance().color ("control point selected outline"));;
_item->set_fill_color(UIConfiguration::instance().color ("control point selected fill"));
} else {
_item->set_outline_color(UIConfiguration::instance().color ("control point outline"));
_item->set_fill_color(UIConfiguration::instance().color ("control point fill"));
}
}
void
ControlPoint::set_size (double sz)
{
_size = sz;
move_to (_x, _y, _shape);
}
void
ControlPoint::move_to (double x, double y, ShapeType shape)
{
double x1 = 0;
double x2 = 0;
double half_size = rint(_size/2.0);
switch (shape) {
case Full:
x1 = x - half_size;
x2 = x + half_size;
break;
case Start:
x1 = x;
x2 = x + half_size;
break;
case End:
x1 = x - half_size;
x2 = x;
break;
}
_item->set (ArdourCanvas::Rect (x1, y - half_size, x2, y + half_size));
_x = x;
_y = y;
_shape = shape;
}
ArdourCanvas::Item&
ControlPoint::item() const
{
return *_item;
}