Re: problems with live resize of NSTextView
Re: problems with live resize of NSTextView
- Subject: Re: problems with live resize of NSTextView
- From: Keary Suska <email@hidden>
- Date: Sat, 25 Apr 2009 09:08:46 -0600
On Apr 24, 2009, at 3:06 PM, Stuart Malin wrote:
I have an NSTextView in a custom view, it is set to resize with the
containing view only in the horizontal dimension. When I resize the
window, the text view does resize, and it does re-layout its content
to fit, both on expanding and shrinking. However, the text view not
only changes its frame size height, but repositions itself (changing
the y value of its frame's origin). Why does it do this?
You need to read the "Cocoa Drawing Guide" and "View Programming Guide
for Cocoa". The answer is explicit: the 0,0 coordinate of the Cocoa
drawing system is the bottom left.
More important to me: where is the best place for me to detect this
change because I want to change the parent view's height to
accommodate any increase in height in the text view.
One possible approach is to observe NSViewFrameDidChangeNotification
coming from the view. See the NSView documentation for how to use it.
Best,
Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"
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