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// Created by Allen Ingling on Fri Jun 18 2004.
// Copyright (c) 2004 New York University. All rights reserved.
#import "KeyRecorderWindow.h"
@implementation KeyRecorderWindow
- (id)init
{
if (self = [super init]) {
enableFlag=FALSE;
characterList=[[NSMutableArray alloc] initWithCapacity:1];
}
return(self);
}
- (id)initWithContentRect:(NSRect)contentRect styleMask:(unsigned int)styleMask backing:(NSBackingStoreType)backingType defer:(BOOL)flag
{
if (self = [super initWithContentRect:contentRect styleMask:styleMask backing:backingType defer:flag]) {
enableFlag=FALSE;
characterList=[[NSMutableArray alloc] initWithCapacity:1];
}
return(self);
}
- (void)enableKeypressCollection
{
enableFlag=TRUE;
}
- (void)disableKeypressCollection
{
enableFlag=FALSE;
}
- (void)dealloc
{
if(characterList != NULL)
[characterList release];
[super dealloc];
}
/*
- (void)mouseDown:(NSEvent *)theEvent
{
int x;
x=100;
}
*/
- (void)keyDown:(NSEvent *)theEvent
{
NSString *keyCharacter;
NSNumber *timestamp, *tickCount, *keyCode;
NSDictionary *tempEntry, *modifierFlags;
unsigned int rawEventModifierFlags;
unsigned short keyCodeUShort;
if(enableFlag){
tickCount=[NSNumber numberWithDouble:(double)TickCount()];
keyCharacter=[theEvent characters];
keyCodeUShort=[theEvent keyCode];
keyCode=[NSNumber numberWithUnsignedShort:keyCodeUShort];
//key modifier flag constants are defined by Cocoa.h, inclusion of which in a mex file is barred by conflicts. So we transfer flags back to the
//mex file as key-value CF array rathern than in a numeric value.
//Note: if we cared about economizing on memory usage, then we could retain the packed flag value and generate the
//dictionary from that only when accessed from outside, such as via ReadNextChar.
//Note: also include the tickcount.
rawEventModifierFlags=[theEvent modifierFlags];
modifierFlags=[NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:(BOOL)((rawEventModifierFlags & NSAlphaShiftKeyMask) ? YES : NO)], @"NSAlphaShiftKeyMask",
[NSNumber numberWithBool:(BOOL)((rawEventModifierFlags & NSShiftKeyMask) ? YES : NO)], @"NSShiftKeyMask",
[NSNumber numberWithBool:(BOOL)((rawEventModifierFlags & NSControlKeyMask) ? YES : NO)], @"NSControlKeyMask",
[NSNumber numberWithBool:(BOOL)((rawEventModifierFlags & NSAlternateKeyMask) ? YES : NO)], @"NSAlternateKeyMask",
[NSNumber numberWithBool:(BOOL)((rawEventModifierFlags & NSCommandKeyMask) ? YES : NO)], @"NSCommandKeyMask",
[NSNumber numberWithBool:(BOOL)((rawEventModifierFlags & NSNumericPadKeyMask) ? YES : NO)], @"NSNumericPadKeyMask",
[NSNumber numberWithBool:(BOOL)((rawEventModifierFlags & NSHelpKeyMask) ? YES : NO)], @"NSHelpKeyMask",
[NSNumber numberWithBool:(BOOL)((rawEventModifierFlags & NSFunctionKeyMask) ? YES : NO)], @"NSFunctionKeyMask",
nil];
timestamp=[NSNumber numberWithDouble:(double)[theEvent timestamp]];
tempEntry=[NSDictionary dictionaryWithObjectsAndKeys:
keyCharacter, @"character",
timestamp, @"time",
modifierFlags, @"modifierFlags",
tickCount, @"tickCount",
keyCode, @"keyCode",
nil];
[characterList addObject:tempEntry];
}
}
- (NSDictionary*)readNextChar
{
NSDictionary *charDictionary;
//return autoreleased and remove from the queue the first character.
if([characterList count] == 0)
return(NULL);
else{
charDictionary=[NSDictionary dictionaryWithDictionary:[characterList objectAtIndex:0]];
[characterList removeObjectAtIndex:0];
return(charDictionary);
}
}
- (NSDictionary*)peekNextChar
{
NSDictionary *charDictionary;
//return autoreleased and remove from the queue the first character.
if([characterList count] == 0)
return(NULL);
else{
charDictionary=[NSDictionary dictionaryWithDictionary:[characterList objectAtIndex:0]];
return(charDictionary);
}
}
- (NSArray*)readCharList
{
NSArray *tempCharacterList;
tempCharacterList= [NSArray arrayWithArray:characterList];
[characterList removeAllObjects];
return(tempCharacterList);
}
- (NSArray*)peekCharList
{
NSArray *tempCharacterList;
tempCharacterList= [NSArray arrayWithArray:characterList];
return(tempCharacterList);
}
- (void)clearCharList
{
[characterList removeAllObjects];
}
- (int)getCharListLength
{
return((int)[characterList count]);
}
@end
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