1 | // |
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2 | // NJRHotKey.m |
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3 | // Pester |
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4 | // |
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5 | // Created by Nicholas Riley on Tue Apr 01 2003. |
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6 | // Copyright (c) 2003 Nicholas Riley. All rights reserved. |
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7 | // |
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8 | |
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9 | #import "NJRHotKey.h" |
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10 | |
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11 | #include <Carbon/Carbon.h> |
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12 | |
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13 | // property list keys |
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14 | static NSString * const PLCharacters = @"characters"; // NSString |
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15 | static NSString * const PLModifierFlags = @"modifierFlags"; // NSNumber |
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16 | static NSString * const PLKeyCode = @"keyCode"; // NSNumber |
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17 | |
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18 | @implementation NJRHotKey |
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19 | |
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20 | #pragma mark initialize-release |
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21 | |
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22 | + (NJRHotKey *)hotKeyWithCharacters:(NSString *)characters modifierFlags:(unsigned)modifierFlags keyCode:(unsigned short)keyCode; |
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23 | { |
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24 | return [[[self alloc] initWithCharacters: characters modifierFlags: modifierFlags keyCode: keyCode] autorelease]; |
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25 | } |
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26 | |
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27 | - (id)initWithCharacters:(NSString *)characters modifierFlags:(unsigned)modifierFlags keyCode:(unsigned short)keyCode; |
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28 | { |
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29 | if ( (self = [self init]) != nil) { |
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30 | hotKeyCharacters = [characters retain]; |
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31 | hotKeyModifierFlags = modifierFlags; |
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32 | hotKeyCode = keyCode; |
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33 | } |
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34 | return self; |
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35 | } |
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36 | |
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37 | - (void)dealloc; |
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38 | { |
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39 | [hotKeyCharacters release]; |
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40 | } |
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41 | |
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42 | #pragma mark accessing |
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43 | |
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44 | - (NSString *)characters; |
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45 | { |
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46 | return hotKeyCharacters; |
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47 | } |
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48 | |
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49 | - (unsigned)modifierFlags; |
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50 | { |
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51 | return hotKeyModifierFlags; |
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52 | } |
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53 | |
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54 | - (long)modifiers; |
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55 | { |
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56 | static long modifierMap[5][2] = { |
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57 | { NSCommandKeyMask, cmdKey }, |
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58 | { NSAlternateKeyMask, optionKey }, |
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59 | { NSControlKeyMask, controlKey }, |
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60 | { NSShiftKeyMask, shiftKey }, |
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61 | { 0, 0 } |
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62 | }; |
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63 | |
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64 | long modifiers = 0; |
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65 | int i; |
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66 | |
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67 | for (i = 0 ; modifierMap[i][0] != 0 ; i++) |
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68 | if (hotKeyModifierFlags & modifierMap[i][0]) |
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69 | modifiers |= modifierMap[i][1]; |
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70 | |
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71 | return modifiers; |
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72 | } |
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73 | |
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74 | - (unsigned short)keyCode; |
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75 | { |
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76 | return hotKeyCode; |
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77 | } |
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78 | |
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79 | #pragma mark property list serialization (Pester 1.1) |
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80 | |
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81 | - (NSDictionary *)propertyListRepresentation; |
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82 | { |
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83 | return [NSDictionary dictionaryWithObjectsAndKeys: |
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84 | hotKeyCharacters, PLCharacters, |
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85 | [NSNumber numberWithUnsignedInt: hotKeyModifierFlags], PLModifierFlags, |
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86 | [NSNumber numberWithUnsignedShort: hotKeyCode], PLKeyCode, |
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87 | nil]; |
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88 | } |
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89 | |
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90 | - (id)initWithPropertyList:(NSDictionary *)dict; |
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91 | { |
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92 | if ( (self = [self init]) != nil) { |
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93 | NS_DURING |
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94 | hotKeyCharacters = [[dict objectForKey: PLCharacters] retain]; |
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95 | hotKeyModifierFlags = [[dict objectForKey: PLModifierFlags] unsignedIntValue]; |
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96 | hotKeyCode = [[dict objectForKey: PLKeyCode] unsignedShortValue]; |
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97 | NS_HANDLER |
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98 | NS_ENDHANDLER |
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99 | if (hotKeyCharacters == nil || hotKeyCode == 0) { |
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100 | [self release]; |
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101 | self = nil; |
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102 | } |
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103 | } |
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104 | return self; |
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105 | } |
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106 | |
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107 | @end |
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