From ab599e34e847d8db1560b8c5809e02be62060c58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sl=C3=A1vek=20Banko?= <slavek.banko@axis.cz>
Date: Fri, 12 Apr 2024 13:26:23 +0200
Subject: [PATCH] Fix compatibility with C++17.
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Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
---
 kab/addressbook.cpp                 | 2 +-
 kab/qconfigDB.h                     | 3 ++-
 tdeio/tdefile/kpropertiesdialog.cpp | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/kab/addressbook.cpp b/kab/addressbook.cpp
index 1a6655266..0cf8b9307 100644
--- a/kab/addressbook.cpp
+++ b/kab/addressbook.cpp
@@ -100,7 +100,7 @@ const int AddressBook::Entry::NoOfFields
 =sizeof(AddressBook::Entry::Fields)/sizeof(AddressBook::Entry::Fields[0]);
 
 struct QStringLess
-  : public binary_function<const TQString&, const TQString&, bool>
+  : public std::function<bool(const TQString&, const TQString&)>
 {
   /** The function operator, inline. */
   bool operator()(const TQString& x, const TQString& y) const
diff --git a/kab/qconfigDB.h b/kab/qconfigDB.h
index 94a211527..f74e5886c 100644
--- a/kab/qconfigDB.h
+++ b/kab/qconfigDB.h
@@ -19,6 +19,7 @@
 namespace std { }
 using namespace std;
 
+#include <functional>
 #include <list>
 #include <map>
 #include <tqwidget.h>
@@ -43,7 +44,7 @@ class TQTextStream;
  * it is called with.
  */
 struct QCStringLess 
-  : public binary_function<const TQCString&, const TQCString&, bool> 
+  : public std::function<bool(const TQCString&, const TQCString&)>
 {
   /**
    * The function operator, inline.
diff --git a/tdeio/tdefile/kpropertiesdialog.cpp b/tdeio/tdefile/kpropertiesdialog.cpp
index 2457f4a69..3796d96ad 100644
--- a/tdeio/tdefile/kpropertiesdialog.cpp
+++ b/tdeio/tdefile/kpropertiesdialog.cpp
@@ -2146,7 +2146,7 @@ void KFilePermissionsPropsPlugin::slotShowAdvancedPermissions() {
       d->fileSystemSupportsACLs = fileSystemSupportsACL( pathCString );
   }
   if ( d->fileSystemSupportsACLs  ) {
-    std::for_each( theNotSpecials.begin(), theNotSpecials.end(), std::mem_fun( &TQWidget::hide ) );
+    std::for_each( theNotSpecials.begin(), theNotSpecials.end(), std::mem_fn( &TQWidget::hide ) );
     extendedACLs = new KACLEditWidget( mainVBox );
     if ( d->extendedACL.isValid() && d->extendedACL.isExtended() )
       extendedACLs->setACL( d->extendedACL );