2
我试图在NSView
中实现smartMagnify:
,但它永远不会被调用。我有rotate:
,magnify:
等,他们都被成功调用 - 我需要做什么来接收此消息?我搜索了非常稀少的文档,并且找不到没有被调用的原因。NSView/NSResponder smartMagnify:
这里是因为我认为这是有关我的代码尽可能多...
class FigOSXLayerView: FigOSXLayerViewBase /* NSView subclass */ {
var layerViewController: FigOSXLayerVC?
private var _scale: CGFloat = 1.0
override func draw(_ dirtyRect: NSRect) {
self.properties.showSelectionHighlight = true
self.properties.showAnnotation = true
self.properties.showPoints = true
super.draw(dirtyRect)
}
// ************************
// MARK: Zoom, pan, rotate
// ************************
override func magnify(with event: NSEvent) {
self._scale = 1 + event.magnification
self.layerViewController?.scale(self._scale)
}
override func rotate(with event: NSEvent) {
self.layerViewController?.rotate(CGFloat(event.rotation.toRadians))
}
override func scrollWheel(with event: NSEvent) {
self.layerViewController?.translate(dx: event.deltaX, dy: -event.deltaY)
}
override func smartMagnify(with event: NSEvent) {
Swift.print("Smart magnify") // Not called
}
// ...
}
刚刚经历迷信,我已经尝试设置自己作为第一响应者,以防万一它是什么做的是,但这没有什么区别。