Non-highlighting NSButton, or how to control NSButton highlights
Non-highlighting NSButton, or how to control NSButton highlights
- Subject: Non-highlighting NSButton, or how to control NSButton highlights
- From: jkp <email@hidden>
- Date: Mon, 22 Aug 2005 11:00:30 +0100
Quick and easy one I'm sure.
I've written an NSButton subclass that is supposed to act like a
hyperlink - I know I could have done this with NSAttributedString's
link attribute and an NSTextField subclass, but it seemed like more
work to implement some of the other functionality i was after - this
way i get the target/action functionality anyway.
The question i have is how I can control the Highlighting behaviour
in the way i want. I find the NSButton documents pretty confusing on
this subject - there are various options for telling the cell how it
behaves when highlighted, or when its state changes, but many times i
have applied the masks and have seen no results.
I have two problems i need to solve.
1: I am tracking the mouse as it enters the cell to provide a mouse-
over, but as soon as I do this I get a highlight applied to the cell
when I mouseover. I am not doing anything except calling [self
setNeedsDisplay:YES] and leaving the drawing to super. How can i
stop this behaviour?
2: The button has an NSImage attached to it - I want to prevent the
image going dark when it has been clicked - again i have found no way
of doing this...the various masks seem to have no effect.
I have come to the conlusion that I will need to subclass
NSButtonCell to get the effect i am after here but i have to say this
seems like a lot of work just to turn off something that I would have
thought would be more easily configurable.
Am I missing a trick?
Many thanks
JKP
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