In Interface Builder, I have set the dataCell of one of the columns of
my NSTableView instance to be NSButtonCell. This works as expected,
however, trying to use a ‘template’ image doesn't yield the expected
visual result when clicking the button.
How I configure the NSButtonCell:
• Image: NSRevealFreestandingTemplate
• Scaling: None
• Bezel: Bevel
• Type: Momentary Push In
• Bordered: false
Expected result when clicking the button:
• Since the image is a ‘template’, the button should render its ‘on’
state.
• The background, ie the space surrounding the image, should not change.
Actual result when clicking the button:
• No difference in the ‘state’ of the rendered image.
• The background color changes to white.
I've also played with changing the highlightsBy mask of the cell, but
that didn't yield the expected result either.
Is the approach of using template images in this way even supported?
(I could not find hard evidence for or against it in the docs.) Or
should I resort to subclassing and write my own drawing code?
Even-though I’ve tried my best to make the explanation of the problem
as concise as possible, I’ve also made a simple screencast [1] to
visually illustrate the problem. And uploaded the demo app [2].
Eloy
[1] http://superalloy.nl/ImageButtonInTableView/ImageButtonInTableView.mov
[2]
http://superalloy.nl/ImageButtonInTableView/ImageButtonInTableView.zip_______________________________________________
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