From 65fe4b4997709f40ecfd55c791137c860aa2b0aa Mon Sep 17 00:00:00 2001
From: ShaopengLin <shaopeng.lin@mail.utoronto.ca>
Date: Sun, 16 Jun 2024 17:19:59 -0400
Subject: [PATCH] Restores the previous current tab index on startup

Current tab index will be saved now and will be reset with respect to the reopened tabs upon startup
---
 src/kiwixapp.cpp | 8 ++++++++
 src/kiwixapp.h   | 1 +
 src/tabbar.cpp   | 2 ++
 3 files changed, 11 insertions(+)

diff --git a/src/kiwixapp.cpp b/src/kiwixapp.cpp
index f50e262..b32f57d 100644
--- a/src/kiwixapp.cpp
+++ b/src/kiwixapp.cpp
@@ -215,6 +215,9 @@ void KiwixApp::restoreTabs()
           openUrl(QUrl(zimUrl));
       }
     }
+
+    /* Restore current tab index. */
+    getTabWidget()->setCurrentIndex(mp_session->value("currentTabIndex", 0).toInt());
 }
 
 KiwixApp *KiwixApp::instance()
@@ -569,3 +572,8 @@ void KiwixApp::restoreWindowState()
   getMainWindow()->restoreGeometry(mp_session->value("geometry").toByteArray());
   getMainWindow()->restoreState(mp_session->value("windowState").toByteArray());
 }
+
+void KiwixApp::saveCurrentTabIndex()
+{
+  return mp_session->setValue("currentTabIndex", getTabWidget()->currentIndex());
+}
diff --git a/src/kiwixapp.h b/src/kiwixapp.h
index 209b05c..bcecd0a 100644
--- a/src/kiwixapp.h
+++ b/src/kiwixapp.h
@@ -91,6 +91,7 @@ public:
     void saveListOfOpenTabs();
     void saveWindowState();
     void restoreWindowState();
+    void saveCurrentTabIndex();
 
 public slots:
     void newTab();
diff --git a/src/tabbar.cpp b/src/tabbar.cpp
index 25f9c6f..f5456cd 100644
--- a/src/tabbar.cpp
+++ b/src/tabbar.cpp
@@ -338,6 +338,8 @@ void TabBar::onCurrentChanged(int index)
         // In the future, other types of tabs can be added.
         // For example, About dialog, or Kiwix Server control panel.
     }
+
+    KiwixApp::instance()->saveCurrentTabIndex();
 }
 
 void TabBar::fullScreenRequested(QWebEngineFullScreenRequest request)