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livetrax/libs/surfaces/mackie/jog_wheel.cc
Ben Loftis ec365820d8
MCU/UF8: reuse and special-case Mackie ctrl surface for SSL-UF8
This adds a unique namespace to the MCU source code, so it can be
compiled multiple times resulting in different ctrl surfaces.
2023-08-24 19:19:10 +02:00

84 lines
1.9 KiB
C++

/*
* Copyright (C) 2006-2007 John Anderson
* Copyright (C) 2012-2015 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 <cmath>
#include "ardour/session.h"
#include "button.h"
#include "jog_wheel.h"
#include "mackie_control_protocol.h"
#include "surface_port.h"
#include "controls.h"
#include "surface.h"
#include <algorithm>
using namespace ArdourSurface;
using namespace ArdourSurface::MACKIE_NAMESPACE;
JogWheel::JogWheel (MackieControlProtocol & mcp)
: _mcp (mcp)
, _mode (scroll)
{
/* do it again to get the LED in the correct state */
set_mode (scroll);
}
void
JogWheel::set_mode (Mode m)
{
_mode = m;
if (_mode == shuttle) {
_mcp.update_global_button (Button::Scrub, on);
} else {
_mcp.update_global_button (Button::Scrub, off);
}
}
void JogWheel::jog_event (float delta)
{
if (_mcp.zoom_mode()) {
if (delta > 0) {
for (unsigned int i = 0; i < fabs (delta); ++i) {
_mcp.ZoomIn();
}
} else {
for (unsigned int i = 0; i < fabs (delta); ++i) {
_mcp.ZoomOut();
}
}
return;
}
switch (_mode) {
case scroll:
_mcp.ScrollTimeline (delta/4.0);
break;
default:
if (delta > 0) {
_mcp.button_varispeed (true);
} else if (delta < 0) {
_mcp.button_varispeed (false);
}
break;
}
}