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Construct PKToolPicker ourselves

This commit is contained in:
Shadowfacts 2021-06-06 21:33:17 -04:00
parent 2fe19a5abe
commit bbe260bc9e
Signed by untrusted user: shadowfacts
GPG Key ID: 94A5AB95422746E5
1 changed files with 14 additions and 18 deletions
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32
Tusker/Screens/Compose/ComposeDrawingViewController.swift
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@ -23,6 +23,8 @@ class ComposeDrawingViewController: UIViewController {
private(set) var undoBarButtonItem: UIBarButtonItem! private(set) var undoBarButtonItem: UIBarButtonItem!
private(set) var redoBarButtonItem: UIBarButtonItem! private(set) var redoBarButtonItem: UIBarButtonItem!
private var toolPicker: PKToolPicker!
private var initialDrawing: PKDrawing? private var initialDrawing: PKDrawing?
init() { init() {
@ -70,25 +72,19 @@ class ComposeDrawingViewController: UIViewController {
canvasView.topAnchor.constraint(equalTo: view.topAnchor), canvasView.topAnchor.constraint(equalTo: view.topAnchor),
canvasView.bottomAnchor.constraint(equalTo: view.bottomAnchor) canvasView.bottomAnchor.constraint(equalTo: view.bottomAnchor)
]) ])
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
// todo: should the PKToolPicker be owned by this VC or something else? toolPicker = PKToolPicker()
if let window = parent?.view.window, let toolPicker = PKToolPicker.shared(for: window) { toolPicker.setVisible(true, forFirstResponder: canvasView)
toolPicker.setVisible(true, forFirstResponder: canvasView) toolPicker.addObserver(canvasView)
toolPicker.addObserver(canvasView) toolPicker.addObserver(self)
toolPicker.addObserver(self)
updateLayout(for: toolPicker)
updateLayout(for: toolPicker) canvasView.becomeFirstResponder()
canvasView.becomeFirstResponder()
// wait until the next run loop iteration so that the canvas view has become first responder and it's undo manager exists
// wait until the next run loop iteration so that the canvas view has become first responder and it's undo manager exists DispatchQueue.main.async {
DispatchQueue.main.async { NotificationCenter.default.addObserver(self, selector: #selector(self.updateUndoRedoButtonState), name: .NSUndoManagerDidUndoChange, object: self.undoManager!)
NotificationCenter.default.addObserver(self, selector: #selector(self.updateUndoRedoButtonState), name: .NSUndoManagerDidUndoChange, object: self.undoManager!) NotificationCenter.default.addObserver(self, selector: #selector(self.updateUndoRedoButtonState), name: .NSUndoManagerDidRedoChange, object: self.undoManager!)
NotificationCenter.default.addObserver(self, selector: #selector(self.updateUndoRedoButtonState), name: .NSUndoManagerDidRedoChange, object: self.undoManager!)
}
} }
} }