From 2e632f3b8c506e6a10cdd06687486b154fc1cd4c Mon Sep 17 00:00:00 2001
From: James Yu <yujianqiaojames@gmail.com>
Date: Sat, 9 Dec 2023 15:57:22 +0000
Subject: [PATCH] Fix #4087 Regain editor focus after view in tab

---
 src/preview/viewer.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/preview/viewer.ts b/src/preview/viewer.ts
index 52164a5e4..16010a68c 100644
--- a/src/preview/viewer.ts
+++ b/src/preview/viewer.ts
@@ -162,16 +162,20 @@ async function viewInCustomEditor(pdfFile: string): Promise<void> {
         if (currentColumn && currentColumn > 1) {
             showOptions.viewColumn = currentColumn - 1
             await vscode.commands.executeCommand('vscode.openWith', pdfUri, 'latex-workshop-pdf-hook', showOptions)
+            await vscode.commands.executeCommand('workbench.action.focusRightGroup')
         } else {
             await vscode.commands.executeCommand('vscode.openWith', pdfUri, 'latex-workshop-pdf-hook', showOptions)
             if (currentColumn === vscode.ViewColumn.One) {
                 await moveActiveEditor('left', true)
+            } else {
+                await vscode.commands.executeCommand('workbench.action.focusRightGroup')
             }
         }
     } else if (editorGroup === 'right') {
         const currentColumn = vscode.window.activeTextEditor?.viewColumn
         showOptions.viewColumn = (currentColumn ?? 0) + 1
         await vscode.commands.executeCommand('vscode.openWith', pdfUri, 'latex-workshop-pdf-hook', showOptions)
+        await vscode.commands.executeCommand('workbench.action.focusLeftGroup')
     } else {
         await vscode.commands.executeCommand('vscode.openWith', pdfUri, 'latex-workshop-pdf-hook', showOptions)
         await moveActiveEditor(editorGroup, true)