Editing a multi-line NSTextField as a single line
Editing a multi-line NSTextField as a single line
- Subject: Editing a multi-line NSTextField as a single line
- From: Eric Gorr <email@hidden>
- Date: Tue, 24 Feb 2009 10:34:01 -0500
I start an edit session of a NSTextField by doing the following:
[textField selectText:nil];
NSTextView *currentEditor = (NSTextView*)[textField currentEditor];
NSPoint windowLocation = [theEvent locationInWindow];
NSPoint screenLocation = [[self window]
convertBaseToScreen:windowLocation];
NSUInteger characterIndex = [currentEditor
characterIndexForPoint:screenLocation];
[currentEditor setSelectedRange:NSMakeRange( characterIndex + 1,
0 )];
However, this text field has a line break mode of
NSLineBreakByWordWrapping and does display two lines of text. When
editing, I would like the editor which appears to edit this text on
just a single line and not do any wrapping.
I was able to accomplish this by doing:
[[textField cell] setLineBreakMode:NSLineBreakByClipping];
before I start the edit session.
However, I am curious (because I think it would help me understand how
the system works) how I could alter currentEditor to accomplish the
same thing.
I tried looking at the various classes involved...NSTextView,
NSTextContainer, and NSLayoutManager, but didn't see anything obvious.
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