source/input/device.cpp

   1 #include <msp/strings/format.h>
   2 #include "device.h"
   3
   4 namespace Msp {
   5 namespace Input {
   6
   7 Device::Device()
   8 { }
   9
  10 Device::~Device()
  11 { }
  12
  13 bool Device::get_button_state(unsigned btn) const
  14 {
  15         if(btn>=buttons.size())
  16                 return false;
  17
  18         return buttons[btn];
  19 }
  20
  21 float Device::get_axis_value(unsigned axis) const
  22 {
  23         if(axis>=axes.size())
  24                 return 0;
  25
  26         return axes[axis];
  27 }
  28
  29 std::string Device::get_button_name(unsigned btn) const
  30 {
  31         return format("Button %d", btn);
  32 }
  33
  34 std::string Device::get_axis_name(unsigned axis) const
  35 {
  36         return format("Axis %d", axis);
  37 }
  38
  39 void Device::set_button_state(unsigned btn, bool state, bool event)
  40 {
  41         if(btn>=buttons.size())
  42                 buttons.resize(btn+1, false);
  43
  44         if(state!=buttons[btn])
  45         {
  46                 buttons[btn] = state;
  47
  48                 if(event)
  49                 {
  50                         if(state)
  51                                 signal_button_press.emit(btn);
  52                         else
  53                                 signal_button_release.emit(btn);
  54                 }
  55         }
  56 }
  57
  58 void Device::set_axis_value(unsigned axis, float value, bool event)
  59 {
  60         if(axis>=axes.size())
  61                 axes.resize(axis+1, 0);
  62
  63         if(value!=axes[axis])
  64         {
  65                 float old = axes[axis];
  66                 axes[axis] = value;
  67
  68                 if(event)
  69                         signal_axis_motion.emit(axis, value, value-old);
  70         }
  71 }
  72
  73 } // namespace Input
  74 } // namespace Msp