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Get NSSplitView’s divider view from a subclass (customize divider height and color)
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import Cocoa | |
class SplitView: NSSplitView { | |
override var dividerThickness: CGFloat { | |
50 | |
} | |
override var dividerColor: NSColor { | |
NSColor.red | |
} | |
private func searchDividerView() -> [NSView] { | |
let dividers = subviews.compactMap { | |
type(of: $0) == NSClassFromString("NSSplitDividerView") ? $0 : nil | |
}.sorted { v1, v2 in | |
if self.isVertical { | |
return v1.frame.minY > v2.frame.minY | |
} | |
return v1.frame.minX < v2.frame.minX | |
} | |
return dividers | |
} | |
override func awakeFromNib() { | |
super.awakeFromNib() | |
if let dividerView = searchDividerView().first { | |
// do something | |
} | |
} | |
} |
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Postscript:
I think the method to customize the rect of the divider using the Delegate looks better.
Hiding Dividers in NSSplitView
https://stackoverflow.com/questions/60165351/hiding-dividers-in-nssplitview