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         unsigned char data[16];
  42         unsigned char *d = data;
  43         int num = read(handle, data, 16);
  44         int code=-1;
  45
  46         int km = input->getKeyboardMode();
  47
  48         if (km == eRCInput::kmNone)
  49                 return;
  50
  51         while (num--)
  52         {
  53 //              eDebug("console code %08x\n", *d);
  54                 if (km == eRCInput::kmAll)
  55                         code = *d++;
  56                 else
  57                 {
  58                         if (*d == 27) // escape code
  59                         {
  60                                 while (num)
  61                                 {
  62                                         num--;
  63                                         if (*++d != '[')
  64                                                 break;
  65                                 }
  66                                 code = -1;
  67                         } else
  68                                 code = *d;
  69                         ++d;
  70
  71                         if (code < 32)                  /* control characters */
  72                                 code = -1;
  73                         else switch(code)
  74                         {
  75                         case 0x35:  // mute
  76                         case 0x7E:  // mute, einfg, entf
  77                         case 0x7F:  // backspace
  78                         code = -1;
  79                         default:
  80                                 break;
  81                         }
  82                 }
  83
  84                 if (code != -1)
  85                         for (std::list<eRCDevice*>::iterator i(listeners.begin()); i!=listeners.end(); ++i)
  86                         {
  87 //                              eDebug("ascii %08x", code);
  88                                 (*i)->handleCode(code);
  89                         }
  90         }
  91 }
  92
  93 void eRCConsole::handleCode(int code)
  94 {
  95         input->keyPressed(eRCKey(this, code, eRCKey::flagAscii));
  96 }
  97
  98 eRCConsole::eRCConsole(eRCDriver *driver)
  99                         : eRCDevice("Console", driver)
 100 {
 101 }
 102
 103 const char *eRCConsole::getDescription() const
 104 {
 105         return "Console";
 106 }
 107
 108 const char *eRCConsole::getKeyDescription(const eRCKey &key) const
 109 {
 110         return 0;
 111 }
 112
 113 int eRCConsole::getKeyCompatibleCode(const eRCKey &key) const
 114 {
 115         return key.code;
 116 }
 117
 118 class eRCConsoleInit
 119 {
 120         eRCConsoleDriver driver;
 121         eRCConsole device;
 122 public:
 123         eRCConsoleInit(): driver("/dev/vc/0"), device(&driver)
 124         {
 125         }
 126 };
 127
 128 eAutoInitP0<eRCConsoleInit> init_rcconsole(eAutoInitNumbers::rc+1, "Console RC Driver");