source/input/binarycontrol.cpp

   1 /* $Id$
   2
   3 This file is part of libmspgbase
   4 Copyright © 2007 Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #include "binarycontrol.h"
   9 #include "device.h"
  10
  11 namespace Msp {
  12 namespace Input {
  13
  14 BinaryControl::BinaryControl():
  15         state(false),
  16         threshold(0.5)
  17 { }
  18
  19 BinaryControl::BinaryControl(const ControlSource &s):
  20         Control(s),
  21         state(false),
  22         threshold(0.5)
  23 { }
  24
  25 BinaryControl::BinaryControl(Device &d, ControlSrcType t, unsigned i):
  26         Control(d, t, i),
  27         state(false),
  28         threshold(0.5)
  29 { }
  30
  31 void BinaryControl::set_threshold(float t)
  32 {
  33         threshold=t;
  34 }
  35
  36 void BinaryControl::on_press()
  37 {
  38         if(!state)
  39         {
  40                 state=true;
  41                 signal_press.emit();
  42         }
  43 }
  44
  45 void BinaryControl::on_release()
  46 {
  47         if(state)
  48         {
  49                 state=false;
  50                 signal_release.emit();
  51         }
  52 }
  53
  54 void BinaryControl::on_motion(float value, float)
  55 {
  56         if(value>threshold)
  57                 on_press();
  58         else
  59                 on_release();
  60 }
  61
  62 } // namespace Input
  63 } // namespace Msp