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//
// PTKeyCodeTranslator.m
// Chercher
//
// Created by Finlay Dobbie on Sat Oct 11 2003.
// Copyright (c) 2003 Cliché Software. All rights reserved.
//
#import "PTKeyCodeTranslator.h"
@implementation PTKeyCodeTranslator
+ (id)currentTranslator
{
static PTKeyCodeTranslator *current = nil;
TISInputSourceRef currentLayout = TISCopyCurrentKeyboardLayoutInputSource();
if (current == nil) {
current = [[PTKeyCodeTranslator alloc] initWithKeyboardLayout:currentLayout];
} else if ([current keyboardLayout] != currentLayout) {
[current release];
current = [[PTKeyCodeTranslator alloc] initWithKeyboardLayout:currentLayout];
}
CFRelease(currentLayout);
return current;
}
- (id)initWithKeyboardLayout:(TISInputSourceRef)aLayout
{
if ((self = [super init]) != nil) {
keyboardLayout = aLayout;
CFRetain(keyboardLayout);
CFDataRef uchr = TISGetInputSourceProperty( keyboardLayout , kTISPropertyUnicodeKeyLayoutData );
uchrData = ( const UCKeyboardLayout* )CFDataGetBytePtr(uchr);
}
return self;
}
- (void)dealloc
{
CFRelease(keyboardLayout);
[super dealloc];
}
- (NSString *)translateKeyCode:(short)keyCode {
UniCharCount maxStringLength = 4, actualStringLength;
UniChar unicodeString[4];
UCKeyTranslate( uchrData, keyCode, kUCKeyActionDisplay, 0, LMGetKbdType(), kUCKeyTranslateNoDeadKeysBit, &deadKeyState, maxStringLength, &actualStringLength, unicodeString );
return [NSString stringWithCharacters:unicodeString length:1];
}
- (TISInputSourceRef)keyboardLayout {
return keyboardLayout;
}
- (NSString *)description {
NSString *kind;
kind = @"uchr";
NSString *layoutName;
layoutName = TISGetInputSourceProperty( keyboardLayout, kTISPropertyLocalizedName );
return [NSString stringWithFormat:@"PTKeyCodeTranslator layout=%@ (%@)", layoutName, kind];
}
@end