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新增Stick贴边自动隐藏的功能；
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panwenbo
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Jan 11, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,253 @@ | ||
| using System.Runtime.InteropServices; | ||
| using System.Windows.Forms; | ||
| using System.Windows.Media; | ||
| using System.Windows.Media.Animation; | ||
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| using Timer = System.Windows.Forms.Timer; | ||
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| namespace One.Toolbox.Helpers; | ||
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| internal partial class HideWindowHelper | ||
| { | ||
| private readonly Window _window; | ||
| private readonly Timer _timer; | ||
| private readonly List<HideCore> _hideLogicList = new List<HideCore>(); | ||
|
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| [LibraryImport("user32.dll")] | ||
| [return: MarshalAs(UnmanagedType.Bool)] | ||
| private static partial bool GetCursorPos(out Point pt); | ||
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| private struct Point | ||
| { | ||
| public int X; | ||
| public int Y; | ||
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| // ReSharper disable once UnusedMember.Local | ||
| public Point(int x, int y) | ||
| { | ||
| X = x; | ||
| Y = y; | ||
| } | ||
| } | ||
|
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| private bool _isHide; | ||
| private bool _isStarted; | ||
| private HideCore _lastHiderOn; | ||
| private bool _isInAnimation; | ||
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| private HideWindowHelper(Window window) | ||
| { | ||
| _window = window; | ||
| _timer = new Timer { Interval = 300 }; | ||
| _timer.Tick += _timer_Tick; | ||
| } | ||
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| public HideWindowHelper AddHider<THideCore>() where THideCore : HideCore, new() | ||
| { | ||
| if (_isStarted) throw new Exception("调用了Start方法后无法在添加隐藏逻辑"); | ||
| var logic = new THideCore(); | ||
| logic.Init(_window, AnimationReport); | ||
| _hideLogicList.Add(logic); | ||
| return this; | ||
| } | ||
|
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| private void _timer_Tick(object sender, EventArgs e) | ||
| { | ||
| if (_isInAnimation) return; | ||
| if (_window.IsActive) return; | ||
| GetCursorPos(out var point); //获取鼠标相对桌面的位置 | ||
| var isMouseEnter = point.X >= _window.Left | ||
| && point.X <= _window.Left + _window.Width + 30 | ||
| && point.Y >= _window.Top | ||
| && point.Y <= _window.Top | ||
| + _window.Height + 30; | ||
| //鼠标在里面 | ||
| if (isMouseEnter) | ||
| { | ||
| //没有隐藏，直接返回 | ||
| if (!_isHide) return; | ||
|
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| //理论上不会出现为null的情况 | ||
| if (_lastHiderOn != null) | ||
| { | ||
| _lastHiderOn.Show(); | ||
| _isHide = false; | ||
| _window.ShowInTaskbar = true; | ||
| return; | ||
| } | ||
| } | ||
|
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| foreach (var core in _hideLogicList) | ||
| { | ||
| //鼠标在里面并且没有隐藏 | ||
| if (isMouseEnter && !_isHide) return; | ||
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| //鼠标在里面并且当期是隐藏状态且当前处理器成功显示了窗体 | ||
| if (isMouseEnter && _isHide && core.Show()) | ||
| { | ||
| _isHide = false; | ||
| _window.ShowInTaskbar = true; | ||
| return; | ||
| } | ||
|
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| //鼠标在外面并且没有隐藏，那么调用当前处理器尝试隐藏窗体 | ||
| if (!isMouseEnter && !_isHide && core.Hide()) | ||
| { | ||
| _lastHiderOn = core; | ||
| _isHide = true; | ||
| _window.ShowInTaskbar = false; | ||
| return; | ||
| } | ||
| } | ||
| } | ||
|
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| private void AnimationReport(bool isInAnimation) | ||
| { | ||
| _isInAnimation = isInAnimation; | ||
| } | ||
|
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| /// <summary> | ||
| /// 启动隐藏 | ||
| /// </summary> | ||
| /// <returns></returns> | ||
| public HideWindowHelper Start() | ||
| { | ||
| _isStarted = true; | ||
| _timer.Start(); | ||
| return this; | ||
| } | ||
|
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| public void Stop() | ||
| { | ||
| _timer.Stop(); | ||
| _isStarted = false; | ||
| } | ||
|
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| public static HideWindowHelper CreateFor(Window window) | ||
| { | ||
| return new HideWindowHelper(window); | ||
| } | ||
|
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| /// <summary> | ||
| /// 用代码触发显示，适用于双击任务栏图标 | ||
| /// </summary> | ||
| public void TryShow() | ||
| { | ||
| if (_lastHiderOn == null) return; | ||
| _lastHiderOn.Show(); | ||
| _isHide = false; | ||
| _window.Activate(); | ||
| } | ||
| } | ||
|
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| #region 隐藏逻辑基类 | ||
|
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| public abstract class HideCore | ||
| { | ||
| private Window _window; | ||
| private Action<bool> _animationStateReport; | ||
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| internal void Init(Window window, Action<bool> animationStateReport) | ||
| { | ||
| _window = window; | ||
| _animationStateReport = animationStateReport; | ||
| } | ||
|
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| public abstract bool Show(); | ||
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| public abstract bool Hide(); | ||
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| protected Window WindowInstance => _window; | ||
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| protected void StartAnimation(DependencyProperty property, double from, double to) | ||
| { | ||
| _animationStateReport(true); | ||
| var doubleAnimation = new DoubleAnimation(from, to, TimeSpan.FromSeconds(0.3)); | ||
| doubleAnimation.EasingFunction = new QuadraticEase();//允许你指定动画的缓动效果，可以使窗口的位置变化更加平滑。 | ||
|
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| doubleAnimation.Completed += delegate | ||
| { | ||
| _window.BeginAnimation(property, null); | ||
| _animationStateReport(false); | ||
| }; | ||
| _window.BeginAnimation(property, doubleAnimation); | ||
| } | ||
| } | ||
|
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| #endregion 隐藏逻辑基类 | ||
|
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| #region 向上隐藏 | ||
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| internal class HideOnTop : HideCore | ||
| { | ||
| //RenderTransform 的帧动画在某些情况下可能会比直接控制窗口的动画效果更丝滑。这是因为 RenderTransform 的动画是在 GPU 上执行的，而直接控制窗口的动画是在 CPU 上执行的。 | ||
| public override bool Show() | ||
| { | ||
| if (WindowInstance.Top > 0) return false; | ||
| StartAnimation(Window.TopProperty, WindowInstance.Top, 0); | ||
| return true; | ||
| } | ||
|
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| public override bool Hide() | ||
| { | ||
| if (WindowInstance.Top > 2) return false; | ||
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| StartAnimation(Window.TopProperty, WindowInstance.Top, 0 - WindowInstance.Top - WindowInstance.Height + 2); | ||
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| return true; | ||
| } | ||
| } | ||
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| #endregion 向上隐藏 | ||
|
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| #region 向左隐藏 | ||
|
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| internal class HideOnLeft : HideCore | ||
| { | ||
| public override bool Show() | ||
| { | ||
| if (WindowInstance.Left > 0) return false; | ||
| StartAnimation(Window.LeftProperty, WindowInstance.Left, 0); | ||
| return true; | ||
| } | ||
|
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| public override bool Hide() | ||
| { | ||
| if (WindowInstance.Left > 2) return false; | ||
| StartAnimation(Window.LeftProperty, WindowInstance.Left, 0 - WindowInstance.Width + 2); | ||
| return true; | ||
| } | ||
| } | ||
|
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| #endregion 向左隐藏 | ||
|
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| #region 向右隐藏 | ||
|
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| internal class HideOnRight : HideCore | ||
| { | ||
| private readonly int _screenWidth; | ||
|
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| public HideOnRight() | ||
| { | ||
| foreach (var screen in Screen.AllScreens) | ||
| { | ||
| _screenWidth += screen.Bounds.Width; | ||
| } | ||
| } | ||
|
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| public override bool Show() | ||
| { | ||
| if (_screenWidth - WindowInstance.Left - WindowInstance.Width > 0) return false; | ||
| StartAnimation(Window.LeftProperty, WindowInstance.Left, _screenWidth - WindowInstance.Width); | ||
| return true; | ||
| } | ||
|
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| public override bool Hide() | ||
| { | ||
| if (_screenWidth - WindowInstance.Left - WindowInstance.Width > 2) return false; | ||
| StartAnimation(Window.LeftProperty, WindowInstance.Left, _screenWidth - 2); | ||
| return true; | ||
| } | ||
| } | ||
|
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| #endregion 向右隐藏 |
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