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我只想“输入”在字段中放置一个“NewLine”字符，以便我可以继续输入。谢谢

- (void)someAction:(id)sender
{
    NSString *s = [tf1 stringValue];
    [tf1 setStringValue:[NSString stringWithFormat:@"%@%@",s, @"\nEnter\n" ]];
}

- (void)myRun:(NSButton*)btn
{
    NSString *s = [tf1 stringValue];
    [tf1 setStringValue:[NSString stringWithFormat:@"%@%@",s, @"hello\nthere" ]];
}


- (void)windowControllerDidLoadNib:(NSWindowController *)aController
{
    [super windowControllerDidLoadNib:aController];
    // Add any code here that needs to be executed once the windowController has loaded the document's window.

    //[aController.window setFrame:CGRectMake(10,10,1000,600) display:TRUE];
    [aController.window setFrame:NSMakeRect(10,10,1000,600) display:TRUE];
    [aController.window setBackgroundColor:[NSColor grayColor]];



    //NSButton *b1 = [[NSButton alloc] initWithFrame:CGRectMake(10, 530, 100, 30)];
    NSButton *b1 = [[NSButton alloc] initWithFrame:NSMakeRect(10, 530, 100, 30)];
    [b1 setTitle:@"Run"];
    [b1 setAction:@selector(myRun:)];
    [aController.window.contentView addSubview:b1];

    tf1 = [[NSTextField alloc] initWithFrame:NSMakeRect(10, 10, 600, 500)];
    [aController.window.contentView addSubview:tf1];
    [tf1 setTarget:self];
    [tf1 setAction:@selector(someAction:)];

}
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1 回答 1

1

技术问答 QA1454：如何使 NSTextField 接受选项卡、返回和输入键

于 2012-04-27T21:54:27.307 回答