244 lines
10 KiB
Swift
244 lines
10 KiB
Swift
//
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// OnScreenKey.swift
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// Moonlight-ZWM
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//
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// Created by ZWM on 2024/8/4.
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// Copyright © 2024 Moonlight Game Streaming Project. All rights reserved.
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//
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import UIKit
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@objc class OnScreenButtonView: UIView {
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@objc static public var editMode: Bool = false
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@objc static public var timestampOfButtonBeingDragged: TimeInterval = 0
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@objc public var keyLabel: String
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@objc public var keyString: String
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@objc public var timestamp: TimeInterval
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@objc public var pressed: Bool
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@objc public var widthFactor: CGFloat
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@objc public var heightFactor: CGFloat
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private let label: UILabel
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private let originalBackgroundColor: UIColor
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private var storedLocation: CGPoint = .zero
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@objc init(keyString: String, keyLabel: String) {
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self.keyString = keyString
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self.keyLabel = keyLabel
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self.label = UILabel()
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self.originalBackgroundColor = UIColor(white: 0.2, alpha: 0.7)
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self.timestamp = 0
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self.pressed = false
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self.widthFactor = 1.0
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self.heightFactor = 1.0
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super.init(frame: .zero)
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setupView()
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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@objc public func setLocation(xOffset:CGFloat, yOffset:CGFloat) {
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NSLayoutConstraint.activate([
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self.leadingAnchor.constraint(equalTo: self.superview!.leadingAnchor, constant: xOffset),
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self.topAnchor.constraint(equalTo: self.superview!.topAnchor, constant: yOffset),
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])
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}
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@objc public func enableRelocationMode(enabled: Bool){
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OnScreenButtonView.editMode = enabled
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}
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@objc public func resizeButtonView(){
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guard let superview = superview else { return }
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// Deactivate existing constraints if necessary
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NSLayoutConstraint.deactivate(self.constraints)
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// To resize the button, we must set this to false temporarily
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translatesAutoresizingMaskIntoConstraints = false
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// replace invalid factor values
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if(self.widthFactor == 0) {self.widthFactor = 1.0}
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if(self.heightFactor == 0) {self.heightFactor = 1.0}
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// Constraints for resizing
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let newWidthConstraint = self.widthAnchor.constraint(equalToConstant: 70 * self.widthFactor)
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let newHeightConstraint = self.heightAnchor.constraint(equalToConstant: 65 * self.heightFactor)
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NSLayoutConstraint.activate([
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self.widthAnchor.constraint(equalToConstant: 70 * self.widthFactor),
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self.heightAnchor.constraint(equalToConstant: 65 * self.heightFactor),
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])
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// Trigger layout update
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superview.layoutIfNeeded()
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// Re-setup buttonView style
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setupView()
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}
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@objc public func setupView() {
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label.text = self.keyLabel
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label.font = UIFont.boldSystemFont(ofSize: 19)
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label.translatesAutoresizingMaskIntoConstraints = false
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label.adjustsFontSizeToFitWidth = true
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label.minimumScaleFactor = 0.1 // Adjust the scale factor as needed
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label.textColor = UIColor(white: 1.0, alpha: 0.82)
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label.textAlignment = .center
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label.shadowColor = .black
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label.shadowOffset = CGSize(width: 1, height: 1)
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label.translatesAutoresizingMaskIntoConstraints = false // enable auto alignment for the label
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self.translatesAutoresizingMaskIntoConstraints = true // this is mandatory to prevent unexpected key view location change
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self.layer.borderColor = UIColor(white: 0.2, alpha: 0.86).cgColor
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self.layer.borderWidth = 1
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self.layer.cornerRadius = 20
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self.backgroundColor = UIColor(white: 0.2, alpha: 0.57)
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self.layer.shadowColor = UIColor.clear.cgColor
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self.layer.shadowRadius = 8
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self.layer.shadowOpacity = 0.5
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addSubview(label)
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NSLayoutConstraint.activate([
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//self.widthAnchor.constraint(equalToConstant: UIScreen.main.bounds.width * 0.088),
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//self.heightAnchor.constraint(equalToConstant: UIScreen.main.bounds.height * 0.1),
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self.widthAnchor.constraint(equalToConstant: 70 * self.widthFactor),
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self.heightAnchor.constraint(equalToConstant: 65 * self.widthFactor),
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])
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NSLayoutConstraint.activate([
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label.leadingAnchor.constraint(equalTo: self.leadingAnchor, constant: 10), // set up label size contrain within UIView
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label.trailingAnchor.constraint(equalTo: self.trailingAnchor, constant: -10),
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label.centerXAnchor.constraint(equalTo: centerXAnchor),
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label.centerYAnchor.constraint(equalTo: centerYAnchor),
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//label.heightAnchor.constraint(equalToConstant: 40)
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])
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}
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private func buttonDownVisualEffect() {
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let spread = 10.2; // 扩散的大小
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let largerRect = self.bounds.insetBy(dx: -spread, dy: -spread)
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let shadowPath = UIBezierPath(roundedRect: largerRect, cornerRadius: self.layer.cornerRadius)
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self.layer.shadowPath = shadowPath.cgPath
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// self.layer.shadowColor = UIColor.systemBlue.withAlphaComponent(0.7).cgColor
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self.layer.shadowColor = UIColor(red: 0.5, green: 0.5, blue: 1.0, alpha: 0.80).cgColor
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self.layer.shadowOffset = CGSize.zero
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self.layer.shadowOpacity = 1.0
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self.layer.shadowRadius = 0.0
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self.layer.borderWidth = 0
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}
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// Touch event handling
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override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
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// print("touchDown: %f", CACurrentMediaTime())
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self.pressed = true
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super.touchesBegan(touches, with: event)
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//self.backgroundColor = UIColor(red: 0.0, green: 0.0, blue: 1.0, alpha: 0.7)
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if !OnScreenButtonView.editMode {
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// self.backgroundColor = UIColor.systemBlue.withAlphaComponent(0.7)
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self.buttonDownVisualEffect()
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self.layer.borderWidth = 0
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// if the command(keystring contains "+", it's a multi-key command or a quick triggering key, rather than a physical button
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if(self.keyString.contains("+")){
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let keyboardCmdStrings = CommandManager.shared.extractKeyStrings(from: self.keyString)!
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CommandManager.shared.sendKeyDownEventWithDelay(keyboardCmdStrings: keyboardCmdStrings) // send multi-key command
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DispatchQueue.main.asyncAfter(deadline: .now() + 0.03) { // reset shadow color immediately 50ms later
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self.layer.shadowColor = UIColor.clear.cgColor
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self.layer.borderWidth = 1
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}
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}
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// if there's no "+" in the keystring, treat it as a regular button:
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else{
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if(CommandManager.mouseButtonMappings.keys.contains(self.keyString)){
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LiSendMouseButtonEvent(CChar(BUTTON_ACTION_PRESS), Int32(CommandManager.mouseButtonMappings[self.keyString]!))
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}
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else{
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LiSendKeyboardEvent(CommandManager.keyMappings[self.keyString]!,Int8(KEY_ACTION_DOWN), 0)
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}
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}
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}
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// here is in edit mode:
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else{
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NotificationCenter.default.post(name: Notification.Name("OnScreenButtonViewSelected"),object: self) // inform layout tool controller to fetch button size factors. self will be passed as the object of the notification
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if let touch = touches.first {
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let touchLocation = touch.location(in: superview)
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storedLocation = touchLocation
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}
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}
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}
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override func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent?) {
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super.touchesMoved(touches, with: event)
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OnScreenButtonView.timestampOfButtonBeingDragged = self.timestamp
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// Move the buttonView based on touch movement in relocation mode
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if OnScreenButtonView.editMode {
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if let touch = touches.first {
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let currentLocation = touch.location(in: superview)
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let offsetX = currentLocation.x - storedLocation.x
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let offsetY = currentLocation.y - storedLocation.y
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center = CGPoint(x: center.x + offsetX, y: center.y + offsetY)
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//NSLog("x coord: %f, y coord: %f", self.frame.origin.x, self.frame.origin.y)
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storedLocation = currentLocation // Update initial center for next movement
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}
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}
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}
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override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
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// self.pressed = false // will be reset outside the class
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super.touchesEnded(touches, with: event)
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if !OnScreenButtonView.editMode && !self.keyString.contains("+") { // if the command(keystring contains "+", it's a multi-key command rather than a single key button
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if(CommandManager.mouseButtonMappings.keys.contains(self.keyString)){
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LiSendMouseButtonEvent(CChar(BUTTON_ACTION_RELEASE), Int32(CommandManager.mouseButtonMappings[self.keyString]!))
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}
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else{
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LiSendKeyboardEvent(CommandManager.keyMappings[self.keyString]!,Int8(KEY_ACTION_UP), 0)
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}
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// self.backgroundColor = self.originalBackgroundColor
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self.layer.shadowColor = UIColor.clear.cgColor
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self.layer.borderWidth = 1
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return;
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}
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// self.backgroundColor = self.originalBackgroundColor
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self.layer.shadowColor = UIColor.clear.cgColor
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self.layer.borderWidth = 1
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guard let superview = superview else { return }
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// Deactivate existing constraints if necessary
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NSLayoutConstraint.deactivate(self.constraints)
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// Add new constraints based on the current center position
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translatesAutoresizingMaskIntoConstraints = true
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// Create new constraints
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let newLeadingConstraint = self.leadingAnchor.constraint(equalTo: superview.leadingAnchor, constant: self.frame.origin.x)
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let newTopConstraint = self.topAnchor.constraint(equalTo: superview.topAnchor, constant: self.frame.origin.y)
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// Activate the new location constraints
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NSLayoutConstraint.activate([newLeadingConstraint, newTopConstraint])
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// Trigger layout update
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superview.layoutIfNeeded()
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setupView(); //re-setup buttonView style
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}
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}
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