NSButton Subclass - 2 states plus tracking image
NSButton Subclass - 2 states plus tracking image
- Subject: NSButton Subclass - 2 states plus tracking image
- From: Trygve Inda <email@hidden>
- Date: Sat, 23 Feb 2008 12:19:26 +0000
- Thread-topic: NSButton Subclass - 2 states plus tracking image
I need an NSButton with 5 different graphics and two states:
State 0 (enabled & disabled graphics)
State 1 (enabled & disabled graphics)
Pressed/Tracking state
I was thinking to subclass NSButton and in IB use "Momentary Change" so that
I can set the alt image to always be my Pressed/Tracking state and the
subclass will change the main image to one of the other 4 images as needed.
The problem I see is that Momentary Change buttons are really single state
so I think my action method for the button would have to also toggle a value
variable and I may need to override value/setValue to use my custom value.
If I set up a two state button, how can I provide a custom tracking image...
Eg when drawRect is called, how can I tell that my button is being pressed
and tracked?
Is there an existing class out there that will just do this? I haven't come
across one.
Thanks,
Trygve
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