On Jan 29, 2012, at 6:27 PM, Fritz Anderson wrote:
I want to modify IKImageView so that it erases with the window
background color. By default it erases with medium gray which looks
awful.
I'm curious — how does the instance property .backgroundColor not
suit your purpose?
Me I am curious why a search in the Organizer didn't turn it up - only
for UIView.
[self setBackgroundColor:[[self window] backgroundColor]] in -
awakeFromNib does the job.
(in Carbon the window's backgroundColor didn't do it - I had to use
the theme brush color)
Problem solved, except I still have to implement -drawRect or else the
empty view is still erased with medium grey when the window opens.
Calling -setNeedsDisplay in -awakeFromNib (after -setBackgroundColor)
didn't help.
Also I want to register the file url when the user drags an image
file on the view. How do I go about that?
Can I make it accept image files but not images in general?
I'd experiment with subclassing, then overriding the
setImageWithURL: and setImage:imageProperties: methods. Possibly
those aren't on the pipeline for drag-and-drop. In that case, my
next experiment would be to override the <NSDraggingDestination>
methods.
Neither -setImage:imageProperties: nor -setImageWithURL: is called
after a drag.
Jan E.
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