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/*
* barrier -- mouse and keyboard sharing utility
* Copyright (C) 2016 Symless Ltd.
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file LICENSE that should have accompanied this file.
*
* This package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "platform/IOSXKeyResource.h"
#include <Carbon/Carbon.h>
KeyID
IOSXKeyResource::getKeyID(UInt8 c)
{
if (c == 0) {
return kKeyNone;
}
else if (c >= 32 && c < 127) {
// ASCII
return static_cast<KeyID>(c);
}
else {
// handle special keys
switch (c) {
case 0x01:
return kKeyHome;
case 0x02:
return kKeyKP_Enter;
case 0x03:
return kKeyKP_Enter;
case 0x04:
return kKeyEnd;
case 0x05:
return kKeyHelp;
case 0x08:
return kKeyBackSpace;
case 0x09:
return kKeyTab;
case 0x0b:
return kKeyPageUp;
case 0x0c:
return kKeyPageDown;
case 0x0d:
return kKeyReturn;
case 0x10:
// OS X maps all the function keys (F1, etc) to this one key.
// we can't determine the right key here so we have to do it
// some other way.
return kKeyNone;
case 0x1b:
return kKeyEscape;
case 0x1c:
return kKeyLeft;
case 0x1d:
return kKeyRight;
case 0x1e:
return kKeyUp;
case 0x1f:
return kKeyDown;
case 0x7f:
return kKeyDelete;
case 0x06:
case 0x07:
case 0x0a:
case 0x0e:
case 0x0f:
case 0x11:
case 0x12:
case 0x13:
case 0x14:
case 0x15:
case 0x16:
case 0x17:
case 0x18:
case 0x19:
case 0x1a:
// discard other control characters
return kKeyNone;
default:
// not special or unknown
break;
}
// create string with character
char str[2];
str[0] = static_cast<char>(c);
str[1] = 0;
// get current keyboard script
TISInputSourceRef isref = TISCopyCurrentKeyboardInputSource();
CFArrayRef langs = (CFArrayRef) TISGetInputSourceProperty(isref, kTISPropertyInputSourceLanguages);
CFStringEncoding encoding = CFStringConvertIANACharSetNameToEncoding(
(CFStringRef)CFArrayGetValueAtIndex(langs, 0));
// convert to unicode
CFStringRef cfString =
CFStringCreateWithCStringNoCopy(
kCFAllocatorDefault, str, encoding, kCFAllocatorNull);
// sometimes CFStringCreate...() returns NULL (e.g. Apple Korean
// encoding with char value 214). if it did then make no key,
// otherwise CFStringCreateMutableCopy() will crash.
if (cfString == NULL) {
return kKeyNone;
}
// convert to precomposed
CFMutableStringRef mcfString =
CFStringCreateMutableCopy(kCFAllocatorDefault, 0, cfString);
CFRelease(cfString);
CFStringNormalize(mcfString, kCFStringNormalizationFormC);
// check result
int unicodeLength = CFStringGetLength(mcfString);
if (unicodeLength == 0) {
CFRelease(mcfString);
return kKeyNone;
}
if (unicodeLength > 1) {
// FIXME -- more than one character, we should handle this
CFRelease(mcfString);
return kKeyNone;
}
// get unicode character
UniChar uc = CFStringGetCharacterAtIndex(mcfString, 0);
CFRelease(mcfString);
// convert to KeyID
return static_cast<KeyID>(uc);
}
}
KeyID
IOSXKeyResource::unicharToKeyID(UniChar c)
{
switch (c) {
case 3:
return kKeyKP_Enter;
case 8:
return kKeyBackSpace;
case 9:
return kKeyTab;
case 13:
return kKeyReturn;
case 27:
return kKeyEscape;
case 127:
return kKeyDelete;
default:
if (c < 32) {
return kKeyNone;
}
return static_cast<KeyID>(c);
}
}
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