-/* $Id$
-
-This file is part of libmspgbase
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
#include "smoothcontrol.h"
+#include <stdexcept>
+
+using namespace std;
namespace Msp {
namespace Input {
-SmoothControl::SmoothControl():
- value(0),
- paired_ctrl(0)
-{ }
-
SmoothControl::SmoothControl(const ControlSource &s):
- Control(s),
- value(0),
- paired_ctrl(0)
+ Control(s)
{ }
SmoothControl::SmoothControl(Device &d, ControlSrcType t, unsigned i):
- Control(d, t, i),
- value(0),
- paired_ctrl(0)
+ Control(d, t, i)
{ }
-SmoothControl &SmoothControl::operator=(const SmoothControl &sc)
+SmoothControl::~SmoothControl()
{
- Control::operator=(sc);
+ pair(nullptr);
+}
- return *this;
+void SmoothControl::set_dead_zone(float d)
+{
+ if(d<0 || (threshold>0 && d>=threshold))
+ throw invalid_argument("SmoothControl::set_dead_zone");
+ dead_zone = d;
}
-SmoothControl::~SmoothControl()
+void SmoothControl::set_threshold(float t)
{
- pair(0);
+ if(t>=0 && t<=dead_zone)
+ throw invalid_argument("SmoothControl::set_threshold");
+ threshold = t;
+}
+
+void SmoothControl::set_range(float d, float t)
+{
+ if(d<0 || (t>=0 && d>=t))
+ throw invalid_argument("SmoothControl::set_range");
+ dead_zone = d;
+ threshold = t;
}
void SmoothControl::pair(SmoothControl *ctrl)
if(paired_ctrl)
{
- SmoothControl *old_pair=paired_ctrl;
- paired_ctrl=0;
- old_pair->pair(0);
+ SmoothControl *old_pair = paired_ctrl;
+ paired_ctrl = nullptr;
+ old_pair->pair(nullptr);
}
- paired_ctrl=ctrl;
+ paired_ctrl = ctrl;
if(paired_ctrl)
paired_ctrl->pair(this);
on_motion(0, -value);
}
-void SmoothControl::on_motion(float v, float)
+void SmoothControl::on_motion(float v, float r)
{
- value=v;
+ float old_value = value;
+ if(v<-dead_zone)
+ value = v+dead_zone;
+ else if(v>dead_zone)
+ value = v-dead_zone;
+ else
+ value = 0;
+
+ if(threshold>=0)
+ {
+ if(v<-threshold)
+ value = -1;
+ else if(v>threshold)
+ value = 1;
+ else
+ value /= threshold-dead_zone;
+ }
+
+ if(value && !old_value)
+ rising_edge = true;
+ else if(!value && old_value)
+ falling_edge = true;
+
signal_motion.emit(value);
-
- if(paired_ctrl && paired_ctrl->get_value()!=-value)
- paired_ctrl->on_motion(-value, -value-paired_ctrl->get_value());
+
+ if(paired_ctrl && (v>0 || (v==0 && paired_ctrl->value!=0)))
+ paired_ctrl->on_motion(-v, -r);
}
} // namespace Input