On 23/09/2009, at 12:48 PM, Peter Zegelin wrote:
I would like to show some sort of visual feedback. I tried
subclassing the content view of the window thinking it would
automatically hilite, but I can't get it to. Note I set focus ring
to default in IB for this. Also the drag icon doesn't update to show
a '+' symbol.
The drag cursor will show a + when you return NSDragOperationCopy.
No visual drop target feedback is shown by default - you have to do
that yourself. Typically this involves having a flag set in your view
"shows drag highlight" that is set on drag enter and cleared on drag
exit, drop, etc. At these times you also call -setNeedsDisplay: on the
view. In your -drawRect: method you test the flag and if set draw the
appropriate highlight. Focus rings don't come into it - they indicate
keyboard focus, and are nothing to do with drag/drop.
After I get the file what should I do to make sure the document is
still set up correctly. I currently call my documents readFromURL:
ofType: error: method to load the file but I am not sure if that is
correct as calling
synchronizeWindowTitleWithDocumentName afterwards doesn't change the
title of the window to the new file name.
Try calling setFileURL: instead (or maybe as well, before
synchronize...)
--Graham
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