60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/*
|
|
Copyright (C) 2006,2007 John Anderson
|
|
Copyright (C) 2012 Paul Davis
|
|
|
|
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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#include <cmath>
|
|
|
|
#include "fader.h"
|
|
#include "surface.h"
|
|
#include "control_group.h"
|
|
#include "mackie_control_protocol.h"
|
|
|
|
using namespace ArdourSurface;
|
|
using namespace Mackie;
|
|
|
|
Control*
|
|
Fader::factory (Surface& surface, int id, const char* name, Group& group)
|
|
{
|
|
Fader* f = new Fader (id, name, group);
|
|
|
|
surface.faders[id] = f;
|
|
surface.controls.push_back (f);
|
|
group.add (*f);
|
|
return f;
|
|
}
|
|
|
|
MidiByteArray
|
|
Fader::set_position (float normalized)
|
|
{
|
|
position = normalized;
|
|
return update_message ();
|
|
}
|
|
|
|
MidiByteArray
|
|
Fader::update_message ()
|
|
{
|
|
MackieControlProtocol* mcp = MackieControlProtocol::instance ();
|
|
if (mcp && mcp->flip_mode() == MackieControlProtocol::Zero) {
|
|
/* do not send messages to move the faders when in this mode */
|
|
return MidiByteArray();
|
|
}
|
|
|
|
int posi = lrintf (0x3fff * position);
|
|
return MidiByteArray (3, 0xe0 + id(), posi & 0x7f, posi >> 7);
|
|
}
|