- (void) methodCalledByTimer
{
[[textView textStorage] appendAttributedString:[[[NSAttributedString alloc] initWithString:@"a"] autorelease]];
}Catfish_Man said:
.
HungrySeacow said:Thanks for the idea.
I was wondering why you choose an NSAttribuitedString rather then an NSString?
I tested out the code under my IBAction method for the button that activates the sequence bypassing the NSTimer to see if I could get it to work but I get an error when the method is called, "-[NSTextField textStorage]: selector not recognized [self = 0x31c4c0]". I so tried a setup using an NSString instead but got a similar selector error. I just finished reading a few cocoa books and am still having trouble figuring out how to create code myself. At least I now know what polymorphism means, LOL. Any help is greatly appreciated
mutableString = [[NSMutableString alloc] initWithString:@"string to apend to."];
[mutableString appendString:[[[NSMutableString alloc] initWithString:@"a"] autorelease]];
[textField1 setStringValue: mutableString];#import "AppController.h"
@implementation AppController
- (IBAction)start:(id)sender
{
stringData = [[NSString alloc] initWithString:@"String to be scrolling :)"];
mutableString = [[NSMutableString alloc] initWithString:@""];
x = 0;
timer = [NSTimer scheduledTimerWithTimeInterval:0.2
target:self
selector:@selector(changeText)
userInfo:nil
repeats:YES];
}
- (void)changeText
{
theChar = [stringData characterAtIndex:x];
intermediateMutableString = [NSMutableString stringWithCharacters:&theChar length:1];
[mutableString appendString:intermediateMutableString];
[textField1 setStringValue: mutableString];
x++;
if ([mutableString length] == [stringData length]) {
[timer invalidate];
}
}
@end