importRyan

Reliable mouseEnter/Exit for SwiftUI

On Mac, SwiftUI's .onHover closure is not always called on mouse exit, particularly with high cursor velocity. A grid of targets or with finer target shapes will often have multiple targets falsely active after the mouse has moved on.

It is easy to run back to AppKit's safety. Below is a SwiftUI-like modifier for reliable mouse-tracking. You can easily adapt it for other mouse tracking needs.

import SwiftUI

andyyhope

import Foundation

// MARK: - Protocol

public protocol Notifier {
    associatedtype Notification: RawRepresentable
}

public extension Notifier where Notification.RawValue == String {
    

ericdke

func makePNGFromView(view: NSView) {
    var rep = view.bitmapImageRepForCachingDisplayInRect(view.bounds)!
    view.cacheDisplayInRect(view.bounds, toBitmapImageRep: rep)
    if let data = rep.representationUsingType(NSBitmapImageFileType.NSPNGFileType, properties: [:]) {
        data.writeToFile("/xxx/image.png", atomically: false)
    }
}

jgwhite

// WithHistory v1.0.0
// hello@withassociates.com
//
// Usage:
//   $(document).bind('WithHistory.urlDidChange', function() { ... });
//   window.withHistory = new WithHistory();
//   window.withHistory.pushState(newUrl) // push new url
//   window.withHistory.url(); // get current url

var WithHistory = function() {