feat: 添加对悬停项的详细信息输出，更新视图模型和UI

Author: heartacker

src/ViewModels/Histories.cs

@@ -224,6 +224,22 @@ public void Select(IList commits, object selectedCommit)
             _repo.SelectedCommits = commits.Cast<Models.Commit>().ToList();
         }
 
+        public void ProcessHoveredCommit(Models.Commit commit)
+        {
+            if (commit == null)
+                return;
+
+            var childrens = this.GetChildrensPathInCurHistory(commit, out _, 0);
+            Console.WriteLine($"=========");
+            childrens.Reverse();
+
+            foreach (var c in childrens)
+            {
+                Console.WriteLine($"{c.Index}.{c.Subject}");
+            }
+            System.Console.WriteLine(childrens.Count);
+        }
+
         public void MarkLastSelectedCommitsAsSelected(params IList<Models.Commit> commits)
         {
             var availableCommits = Commits.Where(x => commits.Any(y => y.SHA == x.SHA)).ToList();

src/Views/Histories.axaml.cs

@@ -253,6 +253,9 @@ private void OnDataGridPointerMoved(object sender, PointerEventArgs e)
                 if (!Equals(_hoveredItem, item))
                 {
                     _hoveredItem = item;
+                    // 在这里可以更新VM、UI等
+                    var hs = dataGrid.DataContext as ViewModels.Histories;
+                    hs?.ProcessHoveredCommit(item as Models.Commit);
                 }
             }
         }