From 1f899ebdbfb524b4ac5c4f3f472e2c48c8821d7e Mon Sep 17 00:00:00 2001
From: Uwe Rathmann <Uwe.Rathmann@tigertal.de>
Date: Mon, 15 May 2023 15:04:47 +0200
Subject: [PATCH] making QskMainView a focus scope, so that the focus does not
 get lost, when popups ( f.e menus ) have appeared

---
 src/controls/QskMainView.cpp | 21 +++++++++++++++++++++
 src/controls/QskMainView.h   |  3 +++
 2 files changed, 24 insertions(+)

diff --git a/src/controls/QskMainView.cpp b/src/controls/QskMainView.cpp
index 6b700eae..ddf55ec4 100644
--- a/src/controls/QskMainView.cpp
+++ b/src/controls/QskMainView.cpp
@@ -4,6 +4,7 @@
  *****************************************************************************/
 
 #include "QskMainView.h"
+#include "QskQuick.h"
 
 /*
     This code is a placeholder implementation until we know
@@ -24,6 +25,9 @@ QskMainView::QskMainView( QQuickItem* parent )
     setAutoAddChildren( false );
     setSpacing( 0 );
     setPanel( true );
+
+    setFlag( QQuickItem::ItemIsFocusScope, true );
+    setFocusPolicy( Qt::StrongFocus );
 }
 
 QskMainView::~QskMainView()
@@ -90,4 +94,21 @@ void QskMainView::setFooter( QskControl* footer )
     }
 }
 
+void QskMainView::focusInEvent( QFocusEvent* event )
+{
+    Inherited::focusInEvent( event );
+
+    if ( isFocusScope() && ( scopedFocusItem() == nullptr ) )
+    {
+        if ( auto focusItem = nextItemInFocusChain( true ) )
+        {
+            if ( qskIsItemComplete( focusItem )
+                 && qskIsAncestorOf( this, focusItem ) )
+            {
+                focusItem->setFocus( true );
+            }
+        }
+    }
+}
+
 #include "moc_QskMainView.cpp"
diff --git a/src/controls/QskMainView.h b/src/controls/QskMainView.h
index fa53f3bc..c0160e6c 100644
--- a/src/controls/QskMainView.h
+++ b/src/controls/QskMainView.h
@@ -27,6 +27,9 @@ class QSK_EXPORT QskMainView : public QskLinearBox
     QskControl* footer() const;
     void setFooter( QskControl* );
 
+  protected:
+    void focusInEvent( QFocusEvent* );
+
   private:
     class PrivateData;
     std::unique_ptr< PrivateData > m_data;