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96 lines
3.0 KiB
Objective-C
96 lines
3.0 KiB
Objective-C
//
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// MPKeyMapper.m
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// MacPass
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//
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// Created by Michael Starke on 07.02.14.
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// Copyright (c) 2014 HicknHack Software GmbH. All rights reserved.
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//
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// Uses Code from:
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// SRKeyCodeTransformer.h
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// ShortcutRecorder
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//
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// Copyright 2006-2007 Contributors. All rights reserved.
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//
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// License: BSD
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//
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// Contributors:
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// David Dauer
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// Jesper
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// Jamie Kirkpatrick
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#import "MPKeyMapper.h"
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#import <Carbon/Carbon.h>
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uint16_t const kMPUnknownKeyCode = UINT16_MAX;
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@implementation MPKeyMapper
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+ (NSString *)stringForKey:(CGKeyCode)keyCode {
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TISInputSourceRef currentKeyboard = TISCopyCurrentKeyboardInputSource();
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CFDataRef layoutData = TISGetInputSourceProperty(currentKeyboard,kTISPropertyUnicodeKeyLayoutData);
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if(!layoutData) {
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currentKeyboard = TISCopyCurrentASCIICapableKeyboardLayoutInputSource();
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layoutData = (CFDataRef)TISGetInputSourceProperty(currentKeyboard, kTISPropertyUnicodeKeyLayoutData);
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}
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CFRelease(currentKeyboard);
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const UCKeyboardLayout *keyboardLayout = (const UCKeyboardLayout *)CFDataGetBytePtr(layoutData);
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UInt32 keysDown = 0;
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UniChar chars[4];
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UniCharCount realLength;
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UCKeyTranslate(keyboardLayout,
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keyCode,
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kUCKeyActionDisplay,
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0,
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LMGetKbdType(),
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kUCKeyTranslateNoDeadKeysBit,
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&keysDown,
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sizeof(chars) / sizeof(chars[0]),
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&realLength,
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chars);
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return CFBridgingRelease(CFStringCreateWithCharacters(kCFAllocatorDefault, chars, 1));
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}
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+ (CGKeyCode)keyCodeForCharacter:(NSString *)character {
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static NSMutableDictionary *keyboardCodeDictionary;
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TISInputSourceRef currentKeyboard = TISCopyCurrentKeyboardInputSource();
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NSString *localizedName = (__bridge NSString *)TISGetInputSourceProperty(currentKeyboard, kTISPropertyLocalizedName);
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CFRelease(currentKeyboard);
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if(keyboardCodeDictionary == nil) {
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/* Input source should not change that much while we are running */
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keyboardCodeDictionary = [[NSMutableDictionary alloc] initWithCapacity:2];
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}
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NSDictionary *charToCodeDict = keyboardCodeDictionary[localizedName];
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if(nil == keyboardCodeDictionary[localizedName]) {
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/* We need 128 places for this dict */
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charToCodeDict = [[NSMutableDictionary alloc] initWithCapacity:128];
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/* Loop through every keycode (0 - 127) to find its current mapping. */
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for(CGKeyCode keyCode = 0; keyCode < 128; ++keyCode) {
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NSString *string = [self stringForKey:keyCode];
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if(string != nil) {
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((NSMutableDictionary *)charToCodeDict)[string] = @(keyCode);
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}
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}
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keyboardCodeDictionary[localizedName] = [[NSDictionary alloc] initWithDictionary:charToCodeDict];
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}
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/* Add mapping */
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/* Generate table of keycodes and characters. */
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NSString *singleCharacter = [[character substringToIndex:1] lowercaseString];
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if(charToCodeDict[singleCharacter]) {
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return [charToCodeDict[singleCharacter] integerValue];
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}
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return kMPUnknownKeyCode;
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}
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@end
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