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MainWindow.xaml.cs
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204 lines (174 loc) · 6.06 KB
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using System.Globalization;
using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Input;
using System.Windows.Interop;
using System.Windows.Media;
using System.Windows.Media.Animation;
namespace MicroTimer;
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
// P/Invoke declarations for getting display refresh rate
[DllImport("user32.dll")]
private static extern IntPtr GetDC(IntPtr hWnd);
[DllImport("user32.dll")]
private static extern int ReleaseDC(IntPtr hWnd, IntPtr hDC);
[DllImport("gdi32.dll")]
private static extern int GetDeviceCaps(IntPtr hdc, int nIndex);
[System.Runtime.InteropServices.DllImport("imm32.dll")]
public static extern IntPtr ImmAssociateContext(IntPtr hWnd, IntPtr hIMC);
private const int VREFRESH = 116;
private bool _spaceKeyIsDown = false;
private bool _mouseLeftIsDown = false;
public MainWindow()
{
InitializeComponent();
// 配置高刷新率显示器支持
ConfigureHighRefreshRate();
this.DataContext = Handler.Instance;
// 设置窗口属性以支持高刷新率
this.Loaded += MainWindow_Loaded;
// 设置窗口为焦点，以便接收键盘事件
this.Focusable = true;
this.KeyDown += MainWindow_KeyDown;
this.KeyUp += MainWindow_KeyUp;
this.MouseLeftButtonDown += MainWindow_MouseLeftButtonDown;
this.MouseLeftButtonUp += MainWindow_MouseLeftButtonUp;
this.MouseRightButtonUp += Window_MouseRightButtonUp;
this.MouseDown += MainWindow_MouseDown;
// 确保窗口获得焦点
this.Activated += (sender, e) => this.Focus();
this.SourceInitialized += MainWindow_SourceInitialized;
this.Activated += (sender, e) => DisableInputMethod();
}
private void MainWindow_KeyDown(object sender, System.Windows.Input.KeyEventArgs e)
{
if (e.Key == Key.Space)
{
e.Handled = true;
if (!_spaceKeyIsDown)
{
_spaceKeyIsDown = true;
Handler.Instance?.SingleAction();
}
}
else if (e.Key == Key.R)
{
e.Handled = true;
Handler.Instance?.ResetAction();
}
}
private void MainWindow_KeyUp(object sender, System.Windows.Input.KeyEventArgs e)
{
if (e.Key == Key.Space)
{
e.Handled = true;
_spaceKeyIsDown = false;
}
}
private void MainWindow_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (!_mouseLeftIsDown)
{
_mouseLeftIsDown = true;
Handler.Instance?.SingleAction();
}
}
private void MainWindow_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
_mouseLeftIsDown = false;
}
private void MainWindow_Loaded(object sender, RoutedEventArgs e)
{
// 窗口加载完成后进行最终配置
OptimizeForHighRefreshRate();
// 确保窗口获得焦点
this.Focus();
}
private void ConfigureHighRefreshRate()
{
// 设置渲染选项
RenderOptions.SetBitmapScalingMode(this, BitmapScalingMode.HighQuality);
RenderOptions.SetEdgeMode(this, EdgeMode.Aliased);
// 设置合成模式以支持高刷新率
this.UseLayoutRounding = true;
this.SnapsToDevicePixels = true;
}
private void OptimizeForHighRefreshRate()
{
// 获取显示器刷新率信息
var refreshRate = GetDisplayRefreshRate();
Handler.Instance.SetRefreshRate(refreshRate);
string titleZh = $"MicroTimer - 当前刷新率: {refreshRate}Hz - 精度{(1000.0 / refreshRate).ToString("F2")}ms - 空格/左键: 开始/暂停 - R/鼠标中键: 重置 - 右键: 放大毫秒";
string titleEn = $"MicroTimer - Refresh Rate: {refreshRate}Hz - Precision {(1000.0 / refreshRate).ToString("F2")}ms - Space/LeftClick: Start/Pause - R/MiddleClick: Reset - RightClick: Enlarge ms";
var culture = CultureInfo.CurrentUICulture;
if (culture.Name.StartsWith("zh", StringComparison.OrdinalIgnoreCase))
{
this.Title = titleZh;
}
else
{
this.Title = titleEn;
}
// 根据刷新率调整渲染设置
if (refreshRate >= 120) // 高刷新率显示器
{
// 启用硬件加速
RenderOptions.SetCachingHint(this, CachingHint.Cache);
// 设置动画帧率
Timeline.DesiredFrameRateProperty.OverrideMetadata(
typeof(Timeline),
new FrameworkPropertyMetadata(refreshRate));
}
}
private int GetDisplayRefreshRate()
{
try
{
// 使用Windows API获取显示器刷新率
IntPtr hdc = GetDC(IntPtr.Zero);
if (hdc != IntPtr.Zero)
{
int refreshRate = GetDeviceCaps(hdc, VREFRESH);
ReleaseDC(IntPtr.Zero, hdc);
return refreshRate;
}
// 备用方法：使用Windows Forms
var screen = System.Windows.Forms.Screen.PrimaryScreen;
return screen?.Bounds.Width > 0 ? 60 : 60;
}
catch
{
return 60; // 默认值
}
}
protected override void OnClosed(EventArgs e)
{
// 清理资源
Handler.Instance.Dispose();
base.OnClosed(e);
}
private void Window_MouseRightButtonUp(object sender, MouseButtonEventArgs e)
{
Handler.Instance.SwapText();
}
private void MainWindow_MouseDown(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Middle)
{
Handler.Instance.ResetAction();
}
}
private void MainWindow_SourceInitialized(object? sender, EventArgs e)
{
DisableInputMethod();
}
private void DisableInputMethod()
{
var hwnd = new WindowInteropHelper(this).Handle;
ImmAssociateContext(hwnd, IntPtr.Zero);
}
}