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Ameliorates against a potential NSRangeException.

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This commit is contained in:
Thomas Harte 2020-11-13 18:29:48 -05:00
parent a7aeb779e9
commit 2c71ba0744
1 changed files with 5 additions and 1 deletions
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6
OSBindings/Mac/Clock Signal/MachinePicker/MachinePicker.swift
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@ -51,7 +51,11 @@ class MachinePicker: NSObject {
// Machine type
if let machineIdentifier = standardUserDefaults.string(forKey: "new.machine") {
machineSelector?.selectTabViewItem(withIdentifier: machineIdentifier as Any)
// If I've changed my mind about visible tabs between versions, there may not be one that corresponds
// to the stored identifier. Make sure not to raise an NSRangeException in that scenario.
if let index = machineSelector?.indexOfTabViewItem(withIdentifier: machineIdentifier as Any), index != NSNotFound {
machineSelector?.selectTabViewItem(at: index)
}
}
// Apple II settings