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Use unicode for key events despite the fact that our current Plasma20 fonts only support latin-1

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This commit is contained in:
Adam Johnson
2011-06-09 02:14:36 -04:00
committed by Branan Purvine-Riley
parent 13147affed
commit a29a7deda0
16 changed files with 51 additions and 128 deletions
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137
Sources/Plasma/PubUtilLib/plInputCore/plInputDevice.cpp
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@ -204,120 +204,43 @@ void plKeyboardDevice::HandleWindowActivate(bool bActive, HWND hWnd)
//// KeyEventToChar //////////////////////////////////////////////////////////
// Translate a Plasma key event to an actual char
char plKeyboardDevice::KeyEventToChar( plKeyEventMsg *msg )
wchar_t plKeyboardDevice::KeyEventToChar( plKeyEventMsg *msg )
{
short code = msg->GetKeyCode();
char c = 0;
unsigned int code = msg->GetKeyCode();
wchar_t c = 0;
unsigned char kbState[256];
unsigned char buffer[256];
UINT scanCode;
wchar_t buffer[256];
unsigned int scanCode;
int retVal;
buffer[0] = 0;
switch( code )
// let windows translate everything for us!
scanCode = MapVirtualKeyW(code, 0);
GetKeyboardState(kbState);
if (fIgnoreCapsLock)
kbState[KEY_CAPSLOCK] = 0; // clear the caps lock key
retVal = ToUnicode(code, scanCode, kbState, (wchar_t*)buffer, 256, 0);
if (retVal == -1)
{
case KEY_A:
case KEY_B:
case KEY_C:
case KEY_D:
case KEY_E:
case KEY_F:
case KEY_G:
case KEY_H:
case KEY_I:
case KEY_J:
case KEY_K:
case KEY_L:
case KEY_M:
case KEY_N:
case KEY_O:
case KEY_P:
case KEY_Q:
case KEY_R:
case KEY_S:
case KEY_T:
case KEY_U:
case KEY_V:
case KEY_W:
case KEY_X:
case KEY_Y:
case KEY_Z:
case KEY_1:
case KEY_2:
case KEY_3:
case KEY_4:
case KEY_5:
case KEY_6:
case KEY_7:
case KEY_8:
case KEY_9:
case KEY_0:
case KEY_TILDE:
case KEY_COMMA:
case KEY_PERIOD:
case KEY_LBRACKET:
case KEY_RBRACKET:
case KEY_BACKSLASH:
case KEY_SLASH:
case KEY_DASH:
case KEY_EQUAL:
case KEY_SEMICOLON:
case KEY_QUOTE:
// let windows translate everything for us!
scanCode = MapVirtualKeyEx(code,0,GetKeyboardLayout(0));
GetKeyboardState(kbState);
if (fIgnoreCapsLock)
kbState[KEY_CAPSLOCK] = 0; // clear the caps lock key
retVal = ToAsciiEx(code,scanCode,kbState,(unsigned short*)buffer,0,GetKeyboardLayout(0));
if (retVal == 2)
{
if ((buffer[0] == buffer[1]) && (!fKeyIsDeadKey))
{
// it's actually a dead key, since the previous key wasn't a dead key
c = (char)buffer[0];
fKeyIsDeadKey = true;
}
else
{
c = (char)buffer[1]; // it was an untranslated dead key, so copy the unconverted key
fKeyIsDeadKey = false;
}
}
else if (retVal == 0)
c = 0; // it's invalid
else
{
c = (char)buffer[0];
if (retVal < 0) // the key was a dead key
fKeyIsDeadKey = true;
else
fKeyIsDeadKey = false;
}
break;
case KEY_ESCAPE: c = 27; break;
case KEY_TAB: c = '\t'; break;
case KEY_BACKSPACE: c = 8; break;
case KEY_ENTER: c = '\n'; break;
case KEY_SPACE: c = ' '; break;
// numlock on numbers
case KEY_NUMPAD0: c = '0'; break;
case KEY_NUMPAD1: c = '1'; break;
case KEY_NUMPAD2: c = '2'; break;
case KEY_NUMPAD3: c = '3'; break;
case KEY_NUMPAD4: c = '4'; break;
case KEY_NUMPAD5: c = '5'; break;
case KEY_NUMPAD6: c = '6'; break;
case KEY_NUMPAD7: c = '7'; break;
case KEY_NUMPAD8: c = '8'; break;
case KEY_NUMPAD9: c = '9'; break;
// everything else
default:
c = 0;
break;
// It's a stored dead key.
c = 0;
fKeyIsDeadKey = true;
}
else if (retVal == 0)
// Invalid crap
c = 0;
else if (retVal == 1)
{
// Exactly one good character
fKeyIsDeadKey = false;
c = buffer[0];
}
else if (retVal >= 2)
{
fKeyIsDeadKey = !fKeyIsDeadKey;
if (!fKeyIsDeadKey)
c = buffer[0];
}
return c;

2
Sources/Plasma/PubUtilLib/plInputCore/plInputDevice.h
View File

@ -113,7 +113,7 @@ public:
static plKeyboardDevice* GetInstance() { return fInstance; }
static char KeyEventToChar( plKeyEventMsg *msg );
static wchar_t KeyEventToChar( plKeyEventMsg *msg );
};
class plPlate;