From a4306fe6e3335cc968dc1ea2535117ab439f7f1c Mon Sep 17 00:00:00 2001
From: leo <longshuang@msn.cn>
Date: Mon, 4 Aug 2025 17:51:46 +0800
Subject: [PATCH] feature: double-clicking tag will try to checkout (detached
 mode) the revision refered by selected tag (#1661)

Signed-off-by: leo <longshuang@msn.cn>
---
 src/ViewModels/Repository.cs |  7 +++++++
 src/Views/TagsView.axaml     |  1 +
 src/Views/TagsView.axaml.cs  | 16 +++++++++++++---
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/src/ViewModels/Repository.cs b/src/ViewModels/Repository.cs
index 5df604da..ec507f39 100644
--- a/src/ViewModels/Repository.cs
+++ b/src/ViewModels/Repository.cs
@@ -1448,6 +1448,13 @@ namespace SourceGit.ViewModels
             }
         }
 
+        public async Task CheckoutTagAsync(Models.Tag tag)
+        {
+            var c = await new Commands.QuerySingleCommit(_fullpath, tag.SHA).GetResultAsync();
+            if (c != null)
+                _histories?.CheckoutBranchByCommit(c);
+        }
+
         public async Task CompareBranchWithWorktree(Models.Branch branch)
         {
             if (_histories != null)
diff --git a/src/Views/TagsView.axaml b/src/Views/TagsView.axaml
index 655d046a..5e0bcbfb 100644
--- a/src/Views/TagsView.axaml
+++ b/src/Views/TagsView.axaml
@@ -96,6 +96,7 @@
             <Border Height="24"
                     Background="Transparent"
                     PointerPressed="OnItemPointerPressed"
+                    DoubleTapped="OnItemDoubleTapped"
                     ContextRequested="OnItemContextRequested"
                     ToolTip.Placement="Right">
               <ToolTip.Tip>
diff --git a/src/Views/TagsView.axaml.cs b/src/Views/TagsView.axaml.cs
index 7ea53e3e..79c36a6e 100644
--- a/src/Views/TagsView.axaml.cs
+++ b/src/Views/TagsView.axaml.cs
@@ -155,10 +155,20 @@ namespace SourceGit.Views
             }
         }
 
-        private void OnItemDoubleTapped(object sender, TappedEventArgs e)
+        private async void OnItemDoubleTapped(object sender, TappedEventArgs e)
         {
-            if (sender is Control { DataContext: ViewModels.TagTreeNode { IsFolder: true } node })
-                ToggleNodeIsExpanded(node);
+            if (sender is Control { DataContext: ViewModels.TagTreeNode node })
+            {
+                if (node.IsFolder)
+                    ToggleNodeIsExpanded(node);
+                else if (DataContext is ViewModels.Repository repo)
+                    await repo.CheckoutTagAsync(node.Tag);
+            }
+            else if (sender is Control { DataContext: Models.Tag tag })
+            {
+                if (DataContext is ViewModels.Repository repo)
+                    await repo.CheckoutTagAsync(tag);
+            }
 
             e.Handled = true;
         }