Port away from deprecated setClearButtonShown

ui/ktreeviewsearchline.cpp

@@ -159,7 +159,7 @@ KTreeViewSearchLine::KTreeViewSearchLine( QWidget *parent, QTreeView *treeView )
 {
   connect(this, &KTreeViewSearchLine::textChanged, this, &KTreeViewSearchLine::queueSearch);
 
-  setClearButtonShown( true );
+  setClearButtonEnabled( true );
   setTreeView( treeView );
 
   if ( !treeView ) {

ui/presentationsearchbar.cpp

@@ -68,7 +68,7 @@ PresentationSearchBar::PresentationSearchBar( Okular::Document *document, QWidge
     lay->addWidget( closeBtn );
 
     m_search = new SearchLineEdit( this, document );
-    m_search->setClearButtonShown( true );
+    m_search->setClearButtonEnabled( true );
     m_search->setSearchCaseSensitivity( Qt::CaseInsensitive );
     m_search->setSearchMinimumLength( 0 );
     m_search->setSearchType( Okular::Document::NextMatch );

ui/searchlineedit.cpp

@@ -32,7 +32,7 @@ SearchLineEdit::SearchLineEdit( QWidget * parent, Okular::Document * document )
       m_findAsYouType( true ), m_searchRunning( false )
 {
     setObjectName( QStringLiteral( "SearchLineEdit" ) );
-    setClearButtonShown( true );
+    setClearButtonEnabled( true );
 
     // a timer to ensure that we don't flood the document with requests to search
     m_inputDelayTimer = new QTimer(this);

ui/searchwidget.cpp

@@ -36,7 +36,7 @@ SearchWidget::SearchWidget( QWidget * parent, Okular::Document * document )
 
     // 2. text line
     m_lineEdit = new SearchLineEdit( this, document );
-    m_lineEdit->setClearButtonShown( true );
+    m_lineEdit->setClearButtonEnabled( true );
     m_lineEdit->setToolTip(i18n( "Enter at least 3 letters to filter pages" ));
     m_lineEdit->setSearchCaseSensitivity( Qt::CaseInsensitive );
     m_lineEdit->setSearchMinimumLength( 3 );