From 750384b955254e9d12f343af59bb2e3eeaa6fa2e Mon Sep 17 00:00:00 2001
From: Mavridis Philippe <mavridisf@gmail.com>
Date: Tue, 28 May 2024 00:03:14 +0300
Subject: KDirOperator: add support for history navigation mouse buttons

Signed-off-by: Mavridis Philippe <mavridisf@gmail.com>
(cherry picked from commit 4911fcf8417043562fcf397596d212db5733e189)
---
 tdeio/tdefile/tdediroperator.cpp | 25 +++++++++++++++++++++++++
 tdeio/tdefile/tdediroperator.h   |  3 +++
 2 files changed, 28 insertions(+)

diff --git a/tdeio/tdefile/tdediroperator.cpp b/tdeio/tdefile/tdediroperator.cpp
index 9bf947f20..8b133d433 100644
--- a/tdeio/tdefile/tdediroperator.cpp
+++ b/tdeio/tdefile/tdediroperator.cpp
@@ -145,6 +145,8 @@ KDirOperator::KDirOperator(const KURL& _url,
     setupMenu();
 
     setFocusPolicy(TQWidget::WheelFocus);
+
+    installEventFilter(this);
 }
 
 KDirOperator::~KDirOperator()
@@ -1046,6 +1048,11 @@ void KDirOperator::connectView(KFileView *view)
     }
 
     m_fileView = view;
+    m_fileView->widget()->installEventFilter(this);
+    if (m_fileView->widget()->inherits("TQScrollView"))
+    {
+        (static_cast<TQScrollView *>(m_fileView->widget()))->viewport()->installEventFilter(this);
+    }
     m_fileView->setDropOptions(d->dropOptions);
     viewActionCollection = 0L;
     KFileViewSignaler *sig = view->signaler();
@@ -1734,6 +1741,24 @@ TQString KDirOperator::viewConfigGroup() const
     return d->configGroup;
 }
 
+bool KDirOperator::eventFilter(TQObject *obj, TQEvent *ev)
+{
+    if (ev->type() == TQEvent::MouseButtonRelease)
+    {
+        TQMouseEvent *mouseEv = static_cast<TQMouseEvent *>(ev);
+        switch (mouseEv->button())
+        {
+            case TQMouseEvent::HistoryBackButton:
+                back();
+                return true;
+            case TQMouseEvent::HistoryForwardButton:
+                forward();
+                return true;
+        }
+    }
+    return false;
+}
+
 void KDirOperator::virtual_hook( int, void* )
 { /*BASE::virtual_hook( id, data );*/ }
 
diff --git a/tdeio/tdefile/tdediroperator.h b/tdeio/tdefile/tdediroperator.h
index 89b1a1709..50467fc61 100644
--- a/tdeio/tdefile/tdediroperator.h
+++ b/tdeio/tdefile/tdediroperator.h
@@ -936,6 +936,9 @@ private slots:
 
     void insertViewDependentActions();
 
+public:
+    bool eventFilter(TQObject *obj, TQEvent *ev);
+
 private:
     static bool isReadable( const KURL& url );
 
-- 
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