Qt: allow easy deletion of the keys and global key

This was a regression of the new design

diff --git a/modules/gui/qt4/components/preferences_widgets.cpp b/modules/gui/qt4/components/preferences_widgets.cpp
index 289f4ae50b3509a1121e1514e9d92abafb0bf333..1db7a9a7d2da9f57b8343f994b6a25b02ebb2773 100644 (file)
--- a/modules/gui/qt4/components/preferences_widgets.cpp
+++ b/modules/gui/qt4/components/preferences_widgets.cpp
@@ -1492,6 +1492,12 @@ bool KeySelectorControl::eventFilter( QObject *obj, QEvent *e )
         selectKey( aTable->currentItem(), aTable->currentColumn() );
         return true;
     }
+    else if( keyEv->key() == Qt::Key_Delete )
+    {
+        aTable->currentItem()->setText( aTable->currentColumn(), NULL );
+        aTable->currentItem()->setData( aTable->currentColumn(), Qt::UserRole, QVariant() );
+        return true;
+    }
     else
         return false;
 }