NSTextView-无法编辑文本

Question

I am creating a few NSTextView objects in an app for OSX using code like this:

NSTextView *testTextView = [[NSTextView alloc] initWithFrame:NSMakeRect(0, 700, 1200, 100)];
[testTextView setFont:[NSFont fontWithName:@"HelveticaNeue-Light" size:18]];
[testTextView setDelegate:self];
[testTextView setBackgroundColor:[NSColor lightGrayColor]];
[testTextView setString:@"Some text to populate this lovely NSTextView. I would like to be able to edit this text but I can't."];
[testTextView setEditable:TRUE];
[[self.window contentView] addSubview:testTextView];
[self.window makeFirstResponder:testTextView];

The NSTextView is displayed on screen correctly and the text is visible but I am unable to edit the text.

Can anyone point me as to what I am doing wrong.

Thanks a lot

Ben

Answer 1

if you are using tittle-less window then objects unable to edit like NsTextField ,NsTextView.......

If you are using title less window , that window must be able to become a key window,you need to create a subclass of NSWindow and override -canBecomeKeyWindow as follows:

-(BOOL)canBecomeKeyWindow {

    return YES;

}