source/input/hub.cpp

   1 #include "hub.h"
   2 #include <stdexcept>
   3 #include <sigc++/bind.h>
   4 #include <sigc++/bind_return.h>
   5 #include <msp/core/hash.h>
   6 #include <msp/core/maputils.h>
   7
   8 using namespace std;
   9
  10 namespace Msp {
  11 namespace Input {
  12
  13 Hub::Hub():
  14         Device(UNSPECIFIED)
  15 {
  16         name = "Hub";
  17 }
  18
  19 void Hub::attach(Device &dev)
  20 {
  21         unsigned index = devices.size();
  22         devices.push_back(&dev);
  23         dev.signal_button_press.connect(sigc::bind_return(sigc::bind(sigc::mem_fun(this, &Hub::button_press), index), false));
  24         dev.signal_button_release.connect(sigc::bind_return(sigc::bind(sigc::mem_fun(this, &Hub::button_release), index), false));
  25         dev.signal_axis_motion.connect(sigc::bind_return(sigc::bind(sigc::mem_fun(this, &Hub::axis_motion), index), false));
  26 }
  27
  28 Device *Hub::find_subdevice(DeviceType t, unsigned n)
  29 {
  30         for(Device *d: devices)
  31                 if(Device *dev = d->find_subdevice(t, 0))
  32                 {
  33                         if(!n)
  34                                 return dev;
  35                         --n;
  36                 }
  37         return nullptr;
  38 }
  39
  40 Device *Hub::find_subdevice(const string &n)
  41 {
  42         if(n==name)
  43                 return this;
  44         for(Device *d: devices)
  45                 if(Device *dev = d->find_subdevice(n))
  46                         return dev;
  47         return nullptr;
  48 }
  49
  50 string Hub::get_button_name(unsigned btn) const
  51 {
  52         unsigned dev_index = btn>>8;
  53         if(dev_index>=devices.size())
  54                 throw out_of_range("Hub::get_button_name");
  55
  56         const Device &dev = *devices[dev_index];
  57         return dev.get_name()+": "+dev.get_button_name(btn&0xFF);
  58 }
  59
  60 string Hub::get_axis_name(unsigned axis) const
  61 {
  62         unsigned dev_index = axis>>8;
  63         if(dev_index>=devices.size())
  64                 throw out_of_range("Hub::get_axis_name");
  65
  66         const Device &dev = *devices[dev_index];
  67         return dev.get_name()+": "+dev.get_axis_name(axis&0xFF);
  68 }
  69
  70 void Hub::button_press(unsigned btn, unsigned index)
  71 {
  72         if(btn<0x100)
  73                 set_button_state((index<<8) | btn, true, true);
  74 }
  75
  76 void Hub::button_release(unsigned btn, unsigned index)
  77 {
  78         if(btn<0x100)
  79                 set_button_state((index<<8) | btn, false, true);
  80 }
  81
  82 void Hub::axis_motion(unsigned axis, float value, float, unsigned index)
  83 {
  84         if(axis<0x100)
  85                 set_axis_value((index<<8) | axis, value, true);
  86 }
  87
  88 } // namespace Input
  89 } // namespace Msp