refactor: use DataGrid instead of ListBox displaying history commits

Sometimes, `Grid.IsSharedSizeScope` does not work when navigating to the first commit

Signed-off-by: leo <[email protected]>

Author: love-linger

src/App.axaml

@@ -28,6 +28,7 @@
 
   <Application.Styles>
     <FluentTheme />
+    <StyleInclude Source="avares://Avalonia.Controls.DataGrid/Themes/Fluent.xaml"/>
     <StyleInclude Source="avares://AvaloniaEdit/Themes/Fluent/AvaloniaEdit.xaml" />
     <StyleInclude Source="/Resources/Styles.axaml"/>
   </Application.Styles>

src/SourceGit.csproj

@@ -40,6 +40,7 @@
 
   <ItemGroup>
     <PackageReference Include="Avalonia" Version="11.2.8" />
+    <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.2.8" />
     <PackageReference Include="Avalonia.Desktop" Version="11.2.8" />
     <PackageReference Include="Avalonia.Fonts.Inter" Version="11.2.8" />
     <PackageReference Include="Avalonia.Themes.Fluent" Version="11.2.8" />

src/ViewModels/Histories.cs

@@ -300,7 +300,7 @@ public void CheckoutBranchByCommit(Models.Commit commit)
             }
         }
 
-        public ContextMenu MakeContextMenu(ListBox list)
+        public ContextMenu MakeContextMenu(DataGrid list)
         {
             var current = _repo.CurrentBranch;
             if (current == null || list.SelectedItems == null)

src/ViewModels/LayoutInfo.cs

@@ -41,12 +41,6 @@ public GridLength RepositorySidebarWidth
             set => SetProperty(ref _repositorySidebarWidth, value);
         }
 
-        public GridLength HistoriesAuthorColumnWidth
-        {
-            get => _historiesAuthorColumnWidth;
-            set => SetProperty(ref _historiesAuthorColumnWidth, value);
-        }
-
         public GridLength WorkingCopyLeftWidth
         {
             get => _workingCopyLeftWidth;
@@ -72,7 +66,6 @@ public GridLength CommitDetailFilesLeftWidth
         }
 
         private GridLength _repositorySidebarWidth = new GridLength(250, GridUnitType.Pixel);
-        private GridLength _historiesAuthorColumnWidth = new GridLength(120, GridUnitType.Pixel);
         private GridLength _workingCopyLeftWidth = new GridLength(300, GridUnitType.Pixel);
         private GridLength _stashesLeftWidth = new GridLength(300, GridUnitType.Pixel);
         private GridLength _commitDetailChangesLeftWidth = new GridLength(256, GridUnitType.Pixel);

src/ViewModels/Repository.cs

@@ -871,7 +871,7 @@ public void StartSearchCommits()
 
             Task.Run(() =>
             {
-                List<Models.Commit> visible = [];
+                var visible = new List<Models.Commit>();
                 var method = (Models.CommitSearchMethod)_searchCommitFilterType;
 
                 if (method == Models.CommitSearchMethod.BySHA)
@@ -880,8 +880,8 @@ public void StartSearchCommits()
                     if (isCommitSHA)
                     {
                         var commit = new Commands.QuerySingleCommit(_fullpath, _searchCommitFilter).Result();
-                        visible = [commit];
-                    }                    
+                        visible.Add(commit);
+                    }
                 }
                 else
                 {

src/Views/CommitGraph.cs

@@ -1,5 +1,6 @@
 using Avalonia;
 using Avalonia.Controls;
+using Avalonia.Controls.Primitives;
 using Avalonia.Media;
 using Avalonia.VisualTree;
 
@@ -51,26 +52,40 @@ public override void Render(DrawingContext context)
             if (histories == null)
                 return;
 
-            var list = histories.CommitListContainer;
-            if (list == null)
+            var grid = histories.CommitListContainer;
+            if (grid == null)
                 return;
 
-            var container = list.ItemsPanelRoot as VirtualizingStackPanel;
-            if (container == null)
+            var rowsPresenter = grid.FindDescendantOfType<DataGridRowsPresenter>();
+            if (rowsPresenter == null)
                 return;
 
-            var item = list.ContainerFromIndex(container.FirstRealizedIndex);
-            if (item == null)
-                return;
+            double rowHeight = grid.RowHeight;
+            double startY = 0;
+            foreach (var child in rowsPresenter.Children)
+            {
+                var row = child as DataGridRow;
+                if (row.IsVisible)
+                {
+                    if (rowHeight != row.Bounds.Height)
+                        rowHeight = row.Bounds.Height;
+
+                    if (row.Bounds.Top <= 0 && row.Bounds.Top > -rowHeight)
+                    {
+                        var test = rowHeight * row.Index - row.Bounds.Top;
+                        if (startY < test)
+                            startY = test;
+                    }
+                }
+            }
 
-            var width = histories.CommitListHeader.ColumnDefinitions[0].ActualWidth;
-            var height = Bounds.Height;
-            var rowHeight = item.Bounds.Height;
-            var startY = container.FirstRealizedIndex * rowHeight - item.TranslatePoint(new Point(0, 0), list).Value!.Y;
+            var headersHeight = grid.ColumnHeaderHeight;
+            var width = histories.CommitListContainer.Columns[0].ActualWidth;
+            var height = Bounds.Height - headersHeight;
             var endY = startY + height + 28;
 
-            using (context.PushClip(new Rect(0, 0, width, height)))
-            using (context.PushTransform(Matrix.CreateTranslation(0, -startY)))
+            using (context.PushClip(new Rect(0, headersHeight, width, height)))
+            using (context.PushTransform(Matrix.CreateTranslation(0, headersHeight - startY)))
             {
                 DrawCurves(context, graph, startY, endY, rowHeight);
                 DrawAnchors(context, graph, startY, endY, rowHeight);