AvaloniaTool/ZTools/Views/MainWindow.axaml.cs

using System.Collections.ObjectModel;
using System.Linq;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Shapes;
using Avalonia.Interactivity;
using Avalonia.Layout;
using Avalonia.Media;

namespace ZTools.Views;

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
        AddColumns();
        InitAutoDrag();
    }

    private void Button_OpenSetting(object? sender, RoutedEventArgs e)
    {
        var settingWindow = new SettingWindow();
        settingWindow.Show();
    }

    private void Button_OpenLog(object? sender, RoutedEventArgs e)
    {
        new LogWindow().Show();
    }

    private void Button_OpenTest(object? sender, RoutedEventArgs e)
    {
        new TestWindow().Show();
    }

    double _dragStartX;
    double _initialWidth;
    double _initialRightWidth;
    bool _isResizing = false;

    void InitAutoDrag()
    {
        // MainDockPanel.Children.Add(resizeThumb);
        //
        // MainDockPanel.Children.Add(resizeThumb1);

        // 监听拖拽区域的PointerPressed事件
        resizeThumb.PointerPressed += (sender, e) =>
        {
            if (e.GetCurrentPoint(MainDockPanel).Properties.IsLeftButtonPressed)
            {
                _dragStartX = e.GetPosition(this).X;
                _initialWidth = MenuDockPanel.Width;
                _initialRightWidth = SecondMenuDockPanel.Width;
                _isResizing = true;
                e.Handled = true;
            }
        };

        resizeThumb1.PointerPressed += (sender, e) =>
        {
            if (e.GetCurrentPoint(SecondMenuDockPanel).Properties.IsLeftButtonPressed)
            {
                _dragStartX = e.GetPosition(this).X;
                _initialWidth = SecondMenuDockPanel.Width;
                _initialRightWidth = FunctionDockPanel.Width;
                _isResizing = true;
                e.Handled = true;
            }
        };

        // 监听鼠标移动事件，实时更新左侧Panel的宽度
        resizeThumb.PointerMoved += (sender, e) =>
        {
            if (_isResizing)
            {
                var currentX = e.GetPosition(this).X;
                var delta = currentX - _dragStartX;
                var updateLeft = _initialWidth + delta;
                var updateRight = _initialRightWidth - delta;
                MenuDockPanel.Width = updateLeft > 1 ? updateLeft : 1; // 更新左侧Panel的宽度
                SecondMenuDockPanel.Width = updateRight > 1 ? updateRight : 1;
                e.Handled = true;
            }
        };
        resizeThumb1.PointerMoved += (sender, e) =>
        {
            if (_isResizing)
            {
                var currentX = e.GetPosition(this).X;
                var delta = currentX - _dragStartX;
                var updateLeft = _initialWidth + delta;
                var updateRight = _initialRightWidth - delta;
                SecondMenuDockPanel.Width = updateLeft > 1 ? updateLeft : 1; // 更新左侧Panel的宽度
                FunctionDockPanel.Width = _initialRightWidth - delta; // updateRight > 1 ? updateRight : 1;
                e.Handled = true;
            }
        };

        // 监听鼠标释放事件，结束拖拽
        resizeThumb.PointerReleased += (sender, e) => { _isResizing = false; };
        resizeThumb1.PointerReleased += (sender, e) => { _isResizing = false; };
    }

    private void AddColumns()
    {
        // Grid myGrid = this.FindControl<Grid>("myGrid");
        int count = 4;
        for (int i = 0; i < 19; i++) // 添加 5 列
        {
            var hang = i / count;
            var lie = i % count;
            Log.Debug($"{hang} : {lie}");
            if (this.myGrid.RowDefinitions.Count < hang + 1)
                this.myGrid.RowDefinitions.Add(new RowDefinition(new GridLength(hang, GridUnitType.Auto)));
            if (this.myGrid.ColumnDefinitions.Count < lie + 1)
                myGrid.ColumnDefinitions.Add(new ColumnDefinition(new GridLength(lie, GridUnitType.Auto)));

            Border border = new Border()
            {
                Width = 60,
                Height = 40,
                BorderBrush = Brushes.Black, // 设置边框颜色
                BorderThickness = new Thickness(2), // 设置边框厚度
                Padding = new Thickness(2), // 设置内部填充
                Background = Brushes.LightGray, // 设置背景颜色
                HorizontalAlignment = HorizontalAlignment.Stretch,
                VerticalAlignment = VerticalAlignment.Stretch,
            };
            var textBlock = new TextBlock
            {
                Text = $"{hang} : {lie}",
                HorizontalAlignment = HorizontalAlignment.Center,
                Background = i % 2 == 0 ? Brushes.Red : Brushes.Green,
            };
            border.Child = textBlock;
            this.myGrid.Children.Add(border);
            Grid.SetRow(border, hang);
            Grid.SetColumn(border, lie);
        }
    }
}