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livetrax/libs/surfaces/mackie/jog_wheel.cc
Paul Davis ac1b2a6647 MCP: another bevy of changes, including working jog wheel
git-svn-id: svn://localhost/ardour2/branches/3.0@12056 d708f5d6-7413-0410-9779-e7cbd77b26cf
2012-04-22 17:37:52 +00:00

51 lines
736 B
C++

#include <cmath>
#include "ardour/session.h"
#include "jog_wheel.h"
#include "mackie_control_protocol.h"
#include "surface_port.h"
#include "controls.h"
#include "surface.h"
#include <algorithm>
using namespace Mackie;
JogWheel::JogWheel (MackieControlProtocol & mcp)
: _mcp (mcp)
, _mode (scroll)
{
}
void
JogWheel::set_mode (Mode m)
{
_mode = m;
}
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:
break;
}
}