-(NSTextView *)textView{
if (!_textView) {
_textView = ({
NSTextView * view = [[NSTextView alloc]init];
// view.autoresizingMask = NSViewWidthSizable | NSViewHeightSizable;
view.horizontallyResizable = false;
view.verticallyResizable = true;
view.maxSize = CGSizeMake(FLT_MAX, FLT_MAX);
// view.textContainer.containerSize = NSMakeSize(FLT_MAX, FLT_MAX);
view.textContainer.widthTracksTextView = true;
view.autoresizingMask = NSViewWidthSizable;
view.delegate = self;
view.backgroundColor = NSColor.yellowColor;
view.selectable = true;
view.drawsBackground = true;
view.font = [NSFont systemFontOfSize:17];
view.string = @"NSScrollView 上无法滚动的 NSTextView";
view;
});
}
return _textView;
}