From 959805d63c32cb36739efc2e91ec0de3427e1c06 Mon Sep 17 00:00:00 2001
From: leo <longshuang@msn.cn>
Date: Tue, 27 Aug 2024 14:47:20 +0800
Subject: [PATCH] feature: auto scrolling while seleting text in commit message
 (#394)

---
 src/Views/CommitMessagePresenter.cs       | 18 +++++++++++++++++-
 src/Views/RevisionFileContentViewer.axaml | 10 ++++++----
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/src/Views/CommitMessagePresenter.cs b/src/Views/CommitMessagePresenter.cs
index 46b53778..55e1dfb1 100644
--- a/src/Views/CommitMessagePresenter.cs
+++ b/src/Views/CommitMessagePresenter.cs
@@ -114,7 +114,23 @@ namespace SourceGit.Views
         {
             base.OnPointerMoved(e);
 
-            if (e.Pointer.Captured == null && _matches != null)
+            if (e.Pointer.Captured == this)
+            {
+                var relativeSelfY = e.GetPosition(this).Y;
+                if (relativeSelfY <= 0 || relativeSelfY > Bounds.Height)
+                    return;
+
+                var scrollViewer = this.FindAncestorOfType<ScrollViewer>();
+                if (scrollViewer != null)
+                {
+                    var relativeY = e.GetPosition(scrollViewer).Y;
+                    if (relativeY <= 8)
+                        scrollViewer.LineUp();
+                    else if (relativeY >= scrollViewer.Bounds.Height - 8)
+                        scrollViewer.LineDown();
+                }
+            }
+            else if (_matches != null)
             {
                 var point = e.GetPosition(this) - new Point(Padding.Left, Padding.Top);
                 var x = Math.Min(Math.Max(point.X, 0), Math.Max(TextLayout.WidthIncludingTrailingWhitespace, 0));
diff --git a/src/Views/RevisionFileContentViewer.axaml b/src/Views/RevisionFileContentViewer.axaml
index eef7605c..67ba5913 100644
--- a/src/Views/RevisionFileContentViewer.axaml
+++ b/src/Views/RevisionFileContentViewer.axaml
@@ -48,10 +48,12 @@
     </DataTemplate>
 
     <DataTemplate DataType="m:RevisionSubmodule">
-      <StackPanel Orientation="Vertical" HorizontalAlignment="Stretch" Margin="8,8,8,0">
-        <TextBlock Text="{DynamicResource Text.CommitDetail.Files.Submodule}" FontSize="18" FontWeight="Bold" HorizontalAlignment="Center" Foreground="{DynamicResource Brush.FG2}"/>
-        <v:CommitBaseInfo Margin="0,16,0,0" Content="{Binding Commit}" Message="{Binding FullMessage}"/>
-      </StackPanel>
+      <Grid RowDefinitions="Auto,*" Margin="8,0">
+        <TextBlock Grid.Row="0" Margin="0,8,0,0" Text="{DynamicResource Text.CommitDetail.Files.Submodule}" FontSize="18" FontWeight="Bold" HorizontalAlignment="Center" Foreground="{DynamicResource Brush.FG2}"/>
+        <ScrollViewer Grid.Row="1" Margin="0,16,0,0" HorizontalScrollBarVisibility="Disabled" VerticalScrollBarVisibility="Auto">
+          <v:CommitBaseInfo Content="{Binding Commit}" Message="{Binding FullMessage}"/>
+        </ScrollViewer>
+      </Grid>
     </DataTemplate>
   </UserControl.DataTemplates>
 </UserControl>