lib/driver/rcconsole.cpp

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