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From 175538020824355115cd98637ce83ecc53badd44 Mon Sep 17 00:00:00 2001
From: Nate Graham <nate@kde.org>
Date: Thu, 18 Mar 2021 13:42:59 -0600
Subject: [PATCH] Don't re-open already-open URLs when using session-restore
 feature

If Dolphin would be asked to open a location that is already open, don't
open it again in a new tab; instead switch to that view. Supports tabs
and split view.

BUG: 434911
FIXED-IN: 21.04
---
 src/dolphintabwidget.cpp | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/src/dolphintabwidget.cpp b/src/dolphintabwidget.cpp
index d61a9f74f..17fa0ff4e 100644
--- a/src/dolphintabwidget.cpp
+++ b/src/dolphintabwidget.cpp
@@ -186,14 +186,20 @@ void DolphinTabWidget::openDirectories(const QList<QUrl>& dirs, bool splitView)
 {
     Q_ASSERT(dirs.size() > 0);
 
+    bool somethingWasAlreadyOpen = false;
+
     QList<QUrl>::const_iterator it = dirs.constBegin();
     while (it != dirs.constEnd()) {
         const QUrl& primaryUrl = *(it++);
         const QPair<int, bool> indexInfo = indexByUrl(primaryUrl);
         const int index = indexInfo.first;
         const bool isInPrimaryView = indexInfo.second;
+
+        // When the user asks for a URL that's already open, activate it instead
+        // of opening a second copy
         if (index >= 0) {
-            setCurrentIndex(index);
+            somethingWasAlreadyOpen = true;
+            activateTab(index);
             const auto tabPage = tabPageAt(index);
             if (isInPrimaryView) {
                 tabPage->primaryViewContainer()->setActive(true);
@@ -204,13 +210,19 @@ void DolphinTabWidget::openDirectories(const QList<QUrl>& dirs, bool splitView)
             // Required for updateViewState() call in openFiles() to work as expected
             // If there is a selection, updateViewState() calls are effectively a no-op
             tabPage->activeViewContainer()->view()->clearSelection();
-            continue;
-        }
-        if (splitView && (it != dirs.constEnd())) {
+        } else if (splitView) {
             const QUrl& secondaryUrl = *(it++);
-            openNewActivatedTab(primaryUrl, secondaryUrl);
+            if (somethingWasAlreadyOpen) {
+                openNewTab(primaryUrl, secondaryUrl);
+            } else {
+                openNewActivatedTab(primaryUrl, secondaryUrl);
+            }
         } else {
-            openNewActivatedTab(primaryUrl);
+            if (somethingWasAlreadyOpen) {
+                openNewTab(primaryUrl);
+            } else {
+                openNewActivatedTab(primaryUrl);
+            }
         }
     }
 }
-- 
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