LunarMind/Adorners/CommentSizeHandlerAdorner.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System.Windows;
using System.Windows.Documents;
using System.Windows.Media;
using SHomeWorkshop.LunarTools;
using System.Windows.Input;
using System.Windows.Controls;

namespace SHomeWorkshop.LunarMind.Adorners
{
    public class CommentSizeHandlerAdorner : Adorner
    {
        // Be sure to call the base class constructor.
        /// <summary>
        /// 用以表示Comment改变宽度的装饰器。
        /// </summary>
        /// <param name="adornedElement">应传入Comment的“TextBlock”主子元素。</param>
        public CommentSizeHandlerAdorner(UIElement adornedElement, Comment masterComment)
            : base(adornedElement)
        {
            this.masterComment = masterComment;

            //终于解决了选取装饰器中线条宽度为2而不是1像素的问题！！！
            this.SnapsToDevicePixels = true;
            this.SetValue(RenderOptions.EdgeModeProperty, EdgeMode.Aliased);

            this.Cursor = Cursors.SizeWE;
            this.ToolTip = "左键拖动手动设置宽度（带自动折行）,\r\n右键单击自动调整宽度（不自动折行）";

            this.MouseLeftButtonDown += new MouseButtonEventHandler(CommentSizeHandlerAdorner_MouseLeftButtonDown);
            this.MouseLeftButtonUp += new MouseButtonEventHandler(CommentSizeHandlerAdorner_MouseLeftButtonUp);

            this.MouseRightButtonDown += new MouseButtonEventHandler(CommentSizeHandlerAdorner_MouseRightButtonDown);
        }

        void CommentSizeHandlerAdorner_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
        {
            masterComment.Editor.isResizeCommentWidth = false;

            if (double.IsNaN(masterComment.TextBlockWidth))
            {
                masterComment.MainTextPanel.Width = double.NaN;
            }
            else
            {
                masterComment.MainTextPanel.Width = masterComment.MainTextPanel.ActualWidth;
            }
        }

        void CommentSizeHandlerAdorner_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
        {
            Globals.MainWindow.isResizeCommentWidth = false;

            if (masterComment == null) return;

            //直接设置为double.NaN.
            ModifingItem mi = new ModifingItem()
            {
                ModifingName = "自动设置备注文本块宽度",
            };