bool TermX::GetSubstitute(const KEY_EVENT_RECORD& k, wchar_t (&szSubst)[16])
{
_ASSERTE(szSubst[0] == 0);
static UINT F1Codes[24] = {
11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 23, 24,
25, 26, 28, 29, 31, 32, 33, 34, 42, 43, 44, 45
};
static wchar_t F1F4Codes[] = {L'P', L'Q', L'R', L'S'};
static wchar_t ArrowCodes[] = {L'F', L'H', L'D', L'A', L'C', L'B'};
typedef DWORD XTermCtrls;
const XTermCtrls
xtc_Shift = 1,
xtc_Alt = 2,
xtc_Ctrl = 4,
xtc_None = 0;
struct processor
{
XTermCtrls Mods;
void SetKey(wchar_t (&szSubst)[16], wchar_t c, wchar_t prefix=L'O')
{
if (!Mods)
{
//wcscpy_c(szSubst, L"\033O*A");
msprintf(szSubst, countof(szSubst), L"\033%c%c", prefix, c);
}
else
{
msprintf(szSubst, countof(szSubst), L"\033[1;%c%c", Mods+L'1', c);
}
}
void SetFKey(wchar_t (&szSubst)[16], UINT fn)
{
if (!Mods)
{
msprintf(szSubst, countof(szSubst), L"\033[%u~", fn);
}
else
{
msprintf(szSubst, countof(szSubst), L"\033[%u;%c~", fn, Mods+L'1');
}
}
void SetTilde(wchar_t (&szSubst)[16], wchar_t c)
{
if (!Mods)
{
msprintf(szSubst, countof(szSubst), L"\033[%c~", c);
}
else
{
msprintf(szSubst, countof(szSubst), L"\033[%c;%c~", c, Mods+L'1');
}
}
} Processor = {xtc_None};
if (k.dwControlKeyState & (SHIFT_PRESSED))
Processor.Mods |= xtc_Shift;
if (k.dwControlKeyState & (LEFT_ALT_PRESSED|RIGHT_ALT_PRESSED))
Processor.Mods |= xtc_Alt;
if (k.dwControlKeyState & (LEFT_CTRL_PRESSED|RIGHT_CTRL_PRESSED))
Processor.Mods |= xtc_Ctrl;
switch (k.wVirtualKeyCode)
{
case VK_END: case VK_HOME: case VK_LEFT:
case VK_UP: case VK_RIGHT: case VK_DOWN:
Processor.SetKey(szSubst, ArrowCodes[(k.wVirtualKeyCode-VK_END)], AppCursorKeys ? L'O' : L'[');
return true;
case VK_F1: case VK_F2: case VK_F3: case VK_F4:
Processor.SetKey(szSubst, F1F4Codes[(k.wVirtualKeyCode-VK_F1)]);
return true;
case VK_F5: case VK_F6: case VK_F7: case VK_F8:
case VK_F9: case VK_F10: case VK_F11: case VK_F12: case VK_F13: case VK_F14: case VK_F15: case VK_F16:
case VK_F17: case VK_F18: case VK_F19: case VK_F20: case VK_F21: case VK_F22: case VK_F23: case VK_F24:
// "\033[11;*~" .. L"\033[15;*~", and so on: F1Codes[]
Processor.SetFKey(szSubst, F1Codes[(k.wVirtualKeyCode-VK_F1)]);
return true;
case VK_INSERT:
Processor.SetTilde(szSubst, L'2');
return true;
case VK_PRIOR:
Processor.SetTilde(szSubst, L'5');
return true;
case VK_NEXT:
Processor.SetTilde(szSubst, L'6');
return true;
case VK_DELETE:
Processor.SetTilde(szSubst, L'3');
return true;
case VK_BACK:
if ((Processor.Mods & xtc_Alt)) szSubst[0] = 0x1B;
szSubst[(Processor.Mods == xtc_Alt) ? 1 : 0] = ((Processor.Mods & (xtc_Ctrl|xtc_Alt)) == (xtc_Ctrl|xtc_Alt)) ? 0x9F
: (Processor.Mods & xtc_Ctrl) ? X_CTRL('_')/*0x1F*/ : X_CDEL/*0x7F*/;
szSubst[(Processor.Mods == xtc_Alt) ? 2 : 1] = 0;
return true;
case VK_TAB:
if (!(k.dwControlKeyState & (LEFT_CTRL_PRESSED|RIGHT_CTRL_PRESSED|LEFT_ALT_PRESSED|RIGHT_ALT_PRESSED)))
{
wcscpy_c(szSubst, (k.dwControlKeyState & SHIFT_PRESSED) ? L"\033[Z" : L"\t");
}
return true;
/* NumPad with NumLock ON */
case VK_NUMPAD0:
case VK_NUMPAD1:
case VK_NUMPAD2:
case VK_NUMPAD3:
case VK_NUMPAD4:
case VK_NUMPAD5:
case VK_NUMPAD6:
case VK_NUMPAD7:
case VK_NUMPAD8:
case VK_NUMPAD9:
case VK_DECIMAL: // VK_OEM_PERIOD}, // Actually, this may be comma
case VK_DIVIDE:
case VK_MULTIPLY:
case VK_SUBTRACT:
case VK_ADD:
if (k.uChar.UnicodeChar)
{
// Just a digits '0'..'9' and symbols +-/*.
szSubst[0] = k.uChar.UnicodeChar; szSubst[1] = 0;
}
return true;
}
// Alt+Char
if ((Processor.Mods & xtc_Alt) && k.uChar.UnicodeChar
// connector/gh#4: AltGr+Char
&& ((k.dwControlKeyState & (LEFT_CTRL_PRESSED|RIGHT_CTRL_PRESSED|LEFT_ALT_PRESSED|RIGHT_ALT_PRESSED))
!= (LEFT_CTRL_PRESSED|RIGHT_ALT_PRESSED))
)
{
szSubst[0] = L'\033'; szSubst[1] = k.uChar.UnicodeChar; szSubst[2] = 0;
return true;
}
// Ctrl+Char? A-->1, ..., J-->10, ...
return false;
}
bool TermX::GetSubstitute(const KEY_EVENT_RECORD& k, CEStr& lsSubst)
{
_ASSERTE(lsSubst.IsEmpty());
// Bypass AltGr+keys to console intact
if ((k.dwControlKeyState & (LEFT_CTRL_PRESSED|RIGHT_ALT_PRESSED)) == (LEFT_CTRL_PRESSED|RIGHT_ALT_PRESSED))
{
if (k.uChar.UnicodeChar)
{
wchar_t szData[3] = {k.uChar.UnicodeChar};
if (LastDeadCharVK == k.wVirtualKeyCode)
szData[1] = k.uChar.UnicodeChar;
lsSubst.Set(szData);
LastDeadCharVK = 0;
}
else
{
LastDeadCharVK = k.wVirtualKeyCode;
lsSubst.Clear();
}
return true;
}
wchar_t szSubst[16] = L"";
static UINT F1Codes[24] = {
11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 23, 24,
25, 26, 28, 29, 31, 32, 33, 34, 42, 43, 44, 45
};
static wchar_t F1F4Codes[] = {L'P', L'Q', L'R', L'S'};
static wchar_t ArrowCodes[] = {L'F', L'H', L'D', L'A', L'C', L'B'};
typedef DWORD XTermCtrls;
const XTermCtrls
xtc_Shift = 1,
xtc_Alt = 2,
xtc_Ctrl = 4,
xtc_None = 0;
struct processor
{
XTermCtrls Mods;
wchar_t szSubst[16];
void SetKey(CEStr& lsSubst, wchar_t c, wchar_t prefix=L'O')
{
if (!Mods)
{
//wcscpy_c(szSubst, L"\033O*A");
msprintf(szSubst, countof(szSubst), L"\033%c%c", prefix, c);
}
else
{
msprintf(szSubst, countof(szSubst), L"\033[1;%c%c", Mods+L'1', c);
}
lsSubst.Set(szSubst);
}
void SetFKey(CEStr& lsSubst, UINT fn)
{
if (!Mods)
{
msprintf(szSubst, countof(szSubst), L"\033[%u~", fn);
}
else
{
msprintf(szSubst, countof(szSubst), L"\033[%u;%c~", fn, Mods+L'1');
}
lsSubst.Set(szSubst);
}
void SetTilde(CEStr& lsSubst, wchar_t c)
{
if (!Mods)
{
msprintf(szSubst, countof(szSubst), L"\033[%c~", c);
}
else
{
msprintf(szSubst, countof(szSubst), L"\033[%c;%c~", c, Mods+L'1');
}
lsSubst.Set(szSubst);
}
} Processor = {xtc_None};
if (k.dwControlKeyState & (SHIFT_PRESSED))
Processor.Mods |= xtc_Shift;
if (k.dwControlKeyState & (LEFT_ALT_PRESSED|RIGHT_ALT_PRESSED))
Processor.Mods |= xtc_Alt;
if (k.dwControlKeyState & (LEFT_CTRL_PRESSED|RIGHT_CTRL_PRESSED))
Processor.Mods |= xtc_Ctrl;
switch (k.wVirtualKeyCode)
{
case VK_END: case VK_HOME: case VK_LEFT:
case VK_UP: case VK_RIGHT: case VK_DOWN:
Processor.SetKey(lsSubst, ArrowCodes[(k.wVirtualKeyCode-VK_END)], AppCursorKeys ? L'O' : L'[');
return true;
case VK_F1: case VK_F2: case VK_F3: case VK_F4:
Processor.SetKey(lsSubst, F1F4Codes[(k.wVirtualKeyCode-VK_F1)]);
return true;
case VK_F5: case VK_F6: case VK_F7: case VK_F8:
case VK_F9: case VK_F10: case VK_F11: case VK_F12: case VK_F13: case VK_F14: case VK_F15: case VK_F16:
case VK_F17: case VK_F18: case VK_F19: case VK_F20: case VK_F21: case VK_F22: case VK_F23: case VK_F24:
// "\033[11;*~" .. L"\033[15;*~", and so on: F1Codes[]
Processor.SetFKey(lsSubst, F1Codes[(k.wVirtualKeyCode-VK_F1)]);
return true;
case VK_INSERT:
Processor.SetTilde(lsSubst, L'2');
return true;
case VK_PRIOR:
Processor.SetTilde(lsSubst, L'5');
return true;
case VK_NEXT:
Processor.SetTilde(lsSubst, L'6');
return true;
case VK_DELETE:
Processor.SetTilde(lsSubst, L'3');
return true;
case VK_BACK:
if ((Processor.Mods & xtc_Alt)) szSubst[0] = 0x1B;
szSubst[(Processor.Mods == xtc_Alt) ? 1 : 0] = ((Processor.Mods & (xtc_Ctrl|xtc_Alt)) == (xtc_Ctrl|xtc_Alt)) ? 0x9F
: (Processor.Mods & xtc_Ctrl) ? X_CTRL('_')/*0x1F*/ : X_CDEL/*0x7F*/;
szSubst[(Processor.Mods == xtc_Alt) ? 2 : 1] = 0;
lsSubst.Set(szSubst);
return true;
case VK_TAB:
if (!(k.dwControlKeyState & (LEFT_CTRL_PRESSED|RIGHT_CTRL_PRESSED|LEFT_ALT_PRESSED|RIGHT_ALT_PRESSED)))
{
wcscpy_c(szSubst, (k.dwControlKeyState & SHIFT_PRESSED) ? L"\033[Z" : L"\t");
}
lsSubst.Set(szSubst);
return true;
/* NumPad with NumLock ON */
case VK_NUMPAD0:
case VK_NUMPAD1:
case VK_NUMPAD2:
case VK_NUMPAD3:
case VK_NUMPAD4:
case VK_NUMPAD5:
case VK_NUMPAD6:
case VK_NUMPAD7:
case VK_NUMPAD8:
case VK_NUMPAD9:
case VK_DECIMAL: // VK_OEM_PERIOD}, // Actually, this may be comma
case VK_DIVIDE:
case VK_MULTIPLY:
case VK_SUBTRACT:
case VK_ADD:
if (k.uChar.UnicodeChar)
{
// Just a digits '0'..'9' and symbols +-/*.
szSubst[0] = k.uChar.UnicodeChar; szSubst[1] = 0;
}
lsSubst.Set(szSubst);
return true;
}
// Alt+Char
if ((Processor.Mods & xtc_Alt) && k.uChar.UnicodeChar
// connector/gh#4: AltGr+Char
&& (((k.dwControlKeyState & (LEFT_CTRL_PRESSED|RIGHT_CTRL_PRESSED|LEFT_ALT_PRESSED|RIGHT_ALT_PRESSED))
!= (LEFT_CTRL_PRESSED|RIGHT_ALT_PRESSED))
// or just a Alt+Char
|| !(Processor.Mods & xtc_Ctrl))
)
{
szSubst[0] = L'\033'; szSubst[1] = k.uChar.UnicodeChar; szSubst[2] = 0;
lsSubst.Set(szSubst);
return true;
}
// Ctrl+Char: A-->1, ..., J-->10, ...
if (Processor.Mods & (xtc_Alt | xtc_Ctrl))
{
wchar_t key_char = k.uChar.UnicodeChar;
if (!key_char)
{
switch (k.wVirtualKeyCode)
{
case VK_OEM_2:
key_char = L'?'; break; // Ctrl+/ -> \x1F
case VK_OEM_3:
key_char = L'~'; break;
case VK_OEM_4:
key_char = L'['; break;
case VK_OEM_5:
key_char = L'\\'; break;
case VK_OEM_6:
key_char = L']'; break;
case VK_OEM_COMMA:
key_char = L','; break;
case VK_OEM_PERIOD:
key_char = L'.'; break;
case VK_OEM_MINUS:
key_char = L'-'; break;
case VK_OEM_PLUS:
key_char = L'='; break;
default:
if (k.wVirtualKeyCode >= L'0' && k.wVirtualKeyCode <= L'9')
key_char = k.wVirtualKeyCode;
else if (k.wVirtualKeyCode >= L'A' && k.wVirtualKeyCode <= L'Z')
key_char = k.wVirtualKeyCode;
}
}
if (key_char)
{
szSubst[0] = szSubst[1] = szSubst[2] = szSubst[3] = 0;
if ((Processor.Mods == xtc_Ctrl) && (key_char == L'2' || key_char == L' '))
{
// Must send '\x00' but it's not a valid ASCIIZ string, have to be processed in connector
return false;
}
else if (key_char >= L'A' && key_char <= L'Z')
{
if (Processor.Mods == xtc_Ctrl)
{
// In vt220: If XOFF support is enabled, then CTRL-S is a "hold screen" local function and CTRL-Q is an "unhold screen" local function.
szSubst[0] = (wchar_t)(1 + (key_char - L'A'));
}
else if ((Processor.Mods == (xtc_Ctrl|xtc_Alt))
|| (Processor.Mods == (xtc_Ctrl|xtc_Alt|xtc_Shift)))
{
szSubst[0] = 0x1B;
szSubst[1] = (wchar_t)(1 + (key_char - L'A'));
}
// doesn't work, "showkey -a" receives "<x1B><xC3><x82><x01>"
//else if (Processor.Mods == (xtc_Ctrl|xtc_Alt|xtc_Shift))
//{
// szSubst[0] = 0x1B; szSubst[1] = 0xC2;
// szSubst[2] = (wchar_t)(1 + (key_char - L'A'));
//}
}
else if ((Processor.Mods == xtc_Ctrl) && (key_char == L'1' || key_char == L'9' || key_char == L'0'))
{
// Strangely Ctrl+1, Ctrl+9, Ctrl+0 generate only 1, 9 and 0.
szSubst[0] = key_char;
}
else if ((Processor.Mods == xtc_Ctrl) && (key_char >= L'3' && key_char <= L'7'))
{
szSubst[0] = (wchar_t)(0x1B + (key_char - L'3'));
}
else switch (key_char)
{
case L',':
szSubst[0] = 0x2C; break;
// Processor.SetKey(lsSubst, L'l'); break;
case L'.':
szSubst[0] = 0x2E; break;
// Processor.SetKey(lsSubst, L'n'); break;
//case L'-':
// Processor.SetKey(lsSubst, L'm'); break;
//case L'0':
// Processor.SetKey(lsSubst, L'p'); break;
//case L'1':
// Processor.SetKey(lsSubst, L'q'); break;
// case L'2': // processed above
//case L'3':
// Processor.SetKey(lsSubst, L's'); break;
//case L'4':
// Processor.SetKey(lsSubst, L't'); break;
//case L'5':
// Processor.SetKey(lsSubst, L'u'); break;
//case L'6':
case L'~':
szSubst[0] = 0x1E;
break;
//case L'7':
// Processor.SetKey(lsSubst, L'w'); break;
case L'8':
szSubst[0] = 0x1B;
if ((Processor.Mods == (xtc_Ctrl|xtc_Alt)) || (Processor.Mods == (xtc_Ctrl|xtc_Alt|xtc_Shift)))
szSubst[1] = 0x7F;
else
szSubst[0] = 0x7F;
break;
//Processor.SetKey(lsSubst, L'x'); break;
//case L'9':
// Processor.SetKey(lsSubst, L'y'); break;
//case L'=':
// Processor.SetKey(lsSubst, L'X'); break;
case L'[':
case L'\\':
case L']':
{
wchar_t c = (key_char == L'[') ? 0x1B : (key_char == L'\\') ? 0x1C : 0x1D;
szSubst[0] = 0x1B;
if (Processor.Mods == xtc_Alt)
szSubst[1] = 0x40 + c;
else if ((Processor.Mods == (xtc_Ctrl|xtc_Alt)) || (Processor.Mods == (xtc_Ctrl|xtc_Alt|xtc_Shift)))
szSubst[1] = c;
else
szSubst[0] = c;
break;
}
case L'?':
if (!(Processor.Mods & xtc_Alt))
szSubst[0] = (Processor.Mods & xtc_Shift) ? 0x7F : 0x1F;
else
{
szSubst[0] = 0x1B; szSubst[1] = (Processor.Mods & xtc_Shift) ? 0x3F : 0x2F;
}
break;
}
if (szSubst[0])
{
lsSubst.Set(szSubst);
return true;
}
}
}
return false;
}