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=new eSocketNotifier(eApp, handle, eSocketNotifier::Read);
  18                 CONNECT(sn->activated, eRCConsoleDriver::keyPressed);
  19                 eRCInput::getInstance()->setFile(handle);
  20         }
  21
  22                 /* set console mode */
  23         struct termios t;
  24         tcgetattr(handle, &t);
  25         ot = t;
  26         t.c_lflag &= ~(ECHO | ICANON | ECHOK | ECHOE | ECHONL);
  27         tcsetattr(handle, TCSANOW,&t);
  28 }
  29
  30 eRCConsoleDriver::~eRCConsoleDriver()
  31 {
  32         tcsetattr(handle,TCSANOW, &ot);
  33         if (handle>=0)
  34                 close(handle);
  35         if (sn)
  36                 delete sn;
  37 }
  38
  39 void eRCConsoleDriver::keyPressed(int)
  40 {
  41         char data[16];
  42         char *d = data;
  43         int num = read(handle, data, 16);
  44         int code;
  45
  46         int km = input->getKeyboardMode();
  47
  48         while (num--)
  49         {
  50                 if (km == eRCInput::kmAll)
  51                         code = *d++;
  52                 else
  53                 {
  54                         if (*d == 27) // escape code
  55                         {
  56                                         /* skip all this stuff */
  57                                 return;
  58
  59 /*                              while (num)
  60                                 {
  61                                         num--;
  62                                         if (*++d != '[')
  63                                                 break;
  64                                 }
  65                                 code = -1; */
  66                         } else
  67                                 code = *d;
  68                         ++d;
  69
  70                         if (code < 32)                  /* control characters */
  71                                 code = -1;
  72                         if (code == 0x7F)               /* delete */
  73                                 code = -1;
  74                 }
  75
  76                 if (code != -1)
  77                         for (std::list<eRCDevice*>::iterator i(listeners.begin()); i!=listeners.end(); ++i)
  78                         {
  79                                 eDebug("ascii %08x", code);
  80                                 (*i)->handleCode(code | 0x8000);
  81                         }
  82         }
  83 }
  84
  85 void eRCConsole::handleCode(int code)
  86 {
  87         input->keyPressed(eRCKey(this, code, 0));
  88 }
  89
  90 eRCConsole::eRCConsole(eRCDriver *driver)
  91                         : eRCDevice("Console", driver)
  92 {
  93 }
  94
  95 const char *eRCConsole::getDescription() const
  96 {
  97         return "Console";
  98 }
  99
 100 const char *eRCConsole::getKeyDescription(const eRCKey &key) const
 101 {
 102         return 0;
 103 }
 104
 105 int eRCConsole::getKeyCompatibleCode(const eRCKey &key) const
 106 {
 107         return key.code;
 108 }
 109
 110 class eRCConsoleInit
 111 {
 112         eRCConsoleDriver driver;
 113         eRCConsole device;
 114 public:
 115         eRCConsoleInit(): driver("/dev/stdin"), device(&driver)
 116         {
 117         }
 118 };
 119
 120 eAutoInitP0<eRCConsoleInit> init_rcconsole(eAutoInitNumbers::rc+1, "Console RC Driver");