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@@ -88,8 +88,17 @@ public class BFRecordScreenController: BFBaseViewController {
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// MARK: 行为参数
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var movieIsProcessing = false
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- var events = [WithDrawModel]() // 行为记录，方便撤销
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- var isDragingProgressSlder: Bool = false // 是否在拖动进度条
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+
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+ // 行为记录，方便撤销
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+ var events = [WithDrawModel]() {
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+ didSet {
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+ withDrawBtn.isEnabled = (events.count != 0)
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+ }
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+ }
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+
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+ // 是否在拖动进度条
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+ var isDragingProgressSlder: Bool = false
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+
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var isStopAtRecordRange = -1
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// 保存识别出来的字幕信息,用于回放，和合成使用
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@@ -181,7 +190,8 @@ public class BFRecordScreenController: BFBaseViewController {
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btn.setImage(imageInRecordScreenKit(by: "withdraw_h"), for: .highlighted)
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btn.setTitle("回退", for: .normal)
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btn.setTitleColor(.white, for: .normal)
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- btn.setTitleColor(.gray, for: .highlighted)
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+ btn.setTitleColor(.lightGray, for: .disabled)
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+ btn.isEnabled = false
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btn.titleLabel?.font = UIFont.systemFont(ofSize: 12)
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btn.contentVerticalAlignment = UIControl.ContentVerticalAlignment.center
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btn.addTarget(self, action: #selector(withdrawAction), for: .touchUpInside)
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harry