bool
StreamReaderUnix::ReadInput(size_t& nRead, InputData& in) {
int c = ReadRawCharacter();
in.SetModifier(InputData::kModNone);
if (c == -1) {
in.SetExtended(InputData::kEIEOF);
} else if (c == 0x1b) {
// Only try to process CSI if Esc does not have a meaning
// by itself.
if (GetContext()->GetKeyBinding()->IsEscCommandEnabled()
|| !ProcessCSI(in)) {
in.SetExtended(InputData::kEIEsc);
}
} else if (isprint(c)) {
in.SetRaw(c);
} else if (c < 32 || c == (char)127 /* ^?, DEL on MacOS */) {
if (c == 13) {
in.SetExtended(InputData::kEIEnter);
} else {
in.SetRaw(c);
in.SetModifier(InputData::kModCtrl);
}
} else {
// woohoo, what's that?!
in.SetRaw(c);
}
++nRead;
return true;
}
bool
StreamReaderUnix::ProcessCSI(InputData& in) {
static ExtKeyMap gExtKeyMap;
if (gExtKeyMap.empty()) {
// Gnome xterm
gExtKeyMap['[']['A'] = InputData::kEIUp;
gExtKeyMap['[']['B'] = InputData::kEIDown;
gExtKeyMap['[']['C'] = InputData::kEIRight;
gExtKeyMap['[']['D'] = InputData::kEILeft;
gExtKeyMap['[']['F'] = InputData::kEIEnd; // Savannah 83478
gExtKeyMap['[']['H'] = InputData::kEIHome;
gExtKeyMap['[']['O']['F'] = InputData::kEIEnd;
gExtKeyMap['[']['O']['H'] = InputData::kEIHome;
gExtKeyMap['[']['1']['~'] = InputData::kEIHome;
gExtKeyMap['[']['2']['~'] = InputData::kEIIns;
gExtKeyMap['[']['3']['~'] = InputData::kEIDel;
gExtKeyMap['[']['4']['~'] = InputData::kEIEnd;
gExtKeyMap['[']['5']['~'] = InputData::kEIPgUp;
gExtKeyMap['[']['6']['~'] = InputData::kEIPgDown;
gExtKeyMap['[']['1'][';']['5']['A'].Set(InputData::kEIUp,
InputData::kModCtrl);
gExtKeyMap['[']['1'][';']['5']['B'].Set(InputData::kEIDown,
InputData::kModCtrl);
gExtKeyMap['[']['1'][';']['5']['C'].Set(InputData::kEIRight,
InputData::kModCtrl);
gExtKeyMap['[']['1'][';']['5']['D'].Set(InputData::kEILeft,
InputData::kModCtrl);
// MacOS
gExtKeyMap['O']['A'] = InputData::kEIUp;
gExtKeyMap['O']['B'] = InputData::kEIDown;
gExtKeyMap['O']['C'] = InputData::kEIRight;
gExtKeyMap['O']['D'] = InputData::kEILeft;
gExtKeyMap['O']['F'] = InputData::kEIEnd;
gExtKeyMap['O']['H'] = InputData::kEIHome;
gExtKeyMap['[']['5']['C'].Set(InputData::kEIRight, InputData::kModCtrl);
gExtKeyMap['[']['5']['D'].Set(InputData::kEILeft, InputData::kModCtrl);
}
InputData::EExtendedInput ret = InputData::kEIUninitialized;
char mod = 0;
Rewind rwd(fReadAheadBuffer, ret);
ExtKeyMap* EKM = &gExtKeyMap;
while (EKM) {
if (EKM->haveExtInp()) {
ret = EKM->getExtInp();
mod = EKM->getMod();
EKM = 0;
} else {
char c1 = ReadRawCharacter();
rwd.push(c1);
EKM = EKM->find(c1);
}
}
in.SetExtended(ret);
in.SetModifier(mod);
return ret != InputData::kEIUninitialized;
}
bool
StreamReaderWin::ReadInput(size_t& nRead, InputData& in) {
DWORD NRead = 0;
in.SetModifier(InputData::kModNone);
char C;
if (fIsConsole) {
INPUT_RECORD buf;
if (!::ReadConsoleInput(fIn, &buf, 1, &NRead)) {
HandleError("reading console input");
return false;
}
switch (buf.EventType) {
case KEY_EVENT:
{
if (!buf.Event.KeyEvent.bKeyDown) return false;
WORD Key = buf.Event.KeyEvent.wVirtualKeyCode;
if (buf.Event.KeyEvent.dwControlKeyState
& (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) {
if (buf.Event.KeyEvent.dwControlKeyState
& (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
// special "Alt Gr" case (equivalent to Ctrl+Alt)...
in.SetModifier(InputData::kModNone);
}
else {
in.SetModifier(InputData::kModCtrl);
}
}
if ((Key >= 0x30 && Key <= 0x5A /*0-Z*/)
|| (Key >= VK_NUMPAD0 && Key <= VK_DIVIDE)
|| (Key >= VK_OEM_1 && Key <= VK_OEM_102)
|| Key == VK_SPACE) {
C = buf.Event.KeyEvent.uChar.AsciiChar;
if (buf.Event.KeyEvent.dwControlKeyState
& (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) {
// C is already 1..
}
} else {
switch (Key) {
case VK_BACK:
in.SetExtended(InputData::kEIBackSpace);
break;
case VK_TAB:
in.SetExtended(InputData::kEITab);
break;
case VK_RETURN:
in.SetExtended(InputData::kEIEnter);
break;
case VK_ESCAPE:
in.SetExtended(InputData::kEIEsc);
break;
case VK_PRIOR:
in.SetExtended(InputData::kEIPgUp);
break;
case VK_NEXT:
in.SetExtended(InputData::kEIPgDown);
break;
case VK_END:
in.SetExtended(InputData::kEIEnd);
break;
case VK_HOME:
in.SetExtended(InputData::kEIHome);
break;
case VK_LEFT:
in.SetExtended(InputData::kEILeft);
break;
case VK_UP:
in.SetExtended(InputData::kEIUp);
break;
case VK_RIGHT:
in.SetExtended(InputData::kEIRight);
break;
case VK_DOWN:
in.SetExtended(InputData::kEIDown);
break;
case VK_INSERT:
in.SetExtended(InputData::kEIIns);
break;
case VK_DELETE:
in.SetExtended(InputData::kEIDel);
break;
case VK_F1:
in.SetExtended(InputData::kEIF1);
break;
case VK_F2:
in.SetExtended(InputData::kEIF2);
break;
case VK_F3:
in.SetExtended(InputData::kEIF3);
break;
case VK_F4:
in.SetExtended(InputData::kEIF4);
break;
case VK_F5:
in.SetExtended(InputData::kEIF5);
break;
case VK_F6:
in.SetExtended(InputData::kEIF6);
break;
case VK_F7:
in.SetExtended(InputData::kEIF7);
break;
case VK_F8:
in.SetExtended(InputData::kEIF8);
break;
case VK_F9:
in.SetExtended(InputData::kEIF9);
break;
case VK_F10:
in.SetExtended(InputData::kEIF10);
break;
case VK_F11:
in.SetExtended(InputData::kEIF11);
break;
case VK_F12:
in.SetExtended(InputData::kEIF12);
break;
default:
in.SetExtended(InputData::kEIUninitialized);
return false;
}
return true;
}
break;
}
case WINDOW_BUFFER_SIZE_EVENT:
in.SetExtended(InputData::kEIResizeEvent);
++nRead;
return true;
break;
default:
return false;
}
} else {
if (!::ReadFile(fIn, &C, 1, &NRead, NULL)) {
HandleError("reading file input");
return false;
}
}
HandleKeyEvent(C, in);
++nRead;
return true;
}
