1 files changed, 189 insertions, 0 deletions
diff --git a/src/lib/platform/IOSXKeyResource.cpp b/src/lib/platform/IOSXKeyResource.cpp
new file mode 100644
index 0000000..0c5abe7
--- /dev/null
+++ b/src/lib/platform/IOSXKeyResource.cpp
@@ -0,0 +1,189 @@
+/*
+ * 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);
+    }
+}