lib/driver/rcconsole.cpp

   1 #include <lib/base/init.h>
   2 #include <lib/base/init_num.h>
   3 #include <lib/base/eerror.h>
   4 #include <lib/driver/rcconsole.h>
   5 #include <stdio.h>
   6 #include <fcntl.h>
   7
   8 eRCConsoleDriver::eRCConsoleDriver(const char *filename): eRCDriver(eRCInput::getInstance())
   9 {
  10         handle=open(filename, O_RDONLY|O_NONBLOCK);
  11         if (handle<0)
  12         {
  13                 eDebug("failed to open %s", filename);
  14                 sn=0;
  15         } else
  16         {
  17                 sn=eSocketNotifier::create(eApp, handle, eSocketNotifier::Read);
  18                 CONNECT(sn->activated, eRCConsoleDriver::keyPressed);
  19         }
  20
  21                 /* set console mode */
  22         struct termios t;
  23         tcgetattr(handle, &t);
  24         ot = t;
  25         t.c_lflag &= ~(ECHO | ICANON | ECHOK | ECHOE | ECHONL);
  26         tcsetattr(handle, TCSANOW,&t);
  27 }
  28
  29 eRCConsoleDriver::~eRCConsoleDriver()
  30 {
  31         tcsetattr(handle,TCSANOW, &ot);
  32         if (handle>=0)
  33                 close(handle);
  34 }
  35
  36 void eRCConsoleDriver::keyPressed(int)
  37 {
  38         unsigned char data[16];
  39         unsigned char *d = data;
  40         int num = read(handle, data, 16);
  41         int code=-1;
  42
  43         int km = input->getKeyboardMode();
  44
  45         if (km == eRCInput::kmNone)
  46                 return;
  47
  48         while (num--)
  49         {
  50 //              eDebug("console code %08x\n", *d);
  51                 if (km == eRCInput::kmAll)
  52                         code = *d++;
  53                 else
  54                 {
  55                         if (*d == 27) // escape code
  56                         {
  57                                 while (num)
  58                                 {
  59                                         num--;
  60                                         if (*++d != '[')
  61                                                 break;
  62                                 }
  63                                 code = -1;
  64                         } else
  65                                 code = *d;
  66                         ++d;
  67
  68                         if (code < 32)                  /* control characters */
  69                                 code = -1;
  70                         else switch(code)
  71                         {
  72                         case 0x7E:  // mute, einfg, entf
  73                         case 0x7F:  // backspace
  74                         code = -1;
  75                         default:
  76                                 break;
  77                         }
  78                 }
  79
  80                 if (code != -1)
  81                         for (std::list<eRCDevice*>::iterator i(listeners.begin()); i!=listeners.end(); ++i)
  82                         {
  83 //                              eDebug("ascii %08x", code);
  84                                 (*i)->handleCode(code);
  85                         }
  86         }
  87 }
  88
  89 void eRCConsole::handleCode(long code)
  90 {
  91         input->keyPressed(eRCKey(this, code, eRCKey::flagAscii));
  92 }
  93
  94 eRCConsole::eRCConsole(eRCDriver *driver)
  95                         : eRCDevice("Console", driver)
  96 {
  97 }
  98
  99 const char *eRCConsole::getDescription() const
 100 {
 101         return "Console";
 102 }
 103
 104 const char *eRCConsole::getKeyDescription(const eRCKey &key) const
 105 {
 106         return 0;
 107 }
 108
 109 int eRCConsole::getKeyCompatibleCode(const eRCKey &key) const
 110 {
 111         return key.code;
 112 }
 113
 114 class eRCConsoleInit
 115 {
 116         eRCConsoleDriver driver;
 117         eRCConsole device;
 118 public:
 119         eRCConsoleInit(): driver("/dev/vc/0"), device(&driver)
 120         {
 121         }
 122 };
 123
 124 eAutoInitP0<eRCConsoleInit> init_rcconsole(eAutoInitNumbers::rc+1, "Console RC Driver");