diff --git a/ui/formwidgets.h b/ui/formwidgets.h
--- a/ui/formwidgets.h
+++ b/ui/formwidgets.h
@@ -38,6 +38,7 @@
 class FormFieldButton;
 class FormFieldChoice;
 class FormFieldText;
+class FormFieldSignature;
 class Document;
 }
 
@@ -332,4 +333,25 @@
         int m_prevAnchorPos;
 };
 
+class SignatureEdit : public QAbstractButton, public FormWidgetIface
+{
+    Q_OBJECT
+
+    public:
+        explicit SignatureEdit( Okular::FormFieldSignature * signature, QWidget * parent = nullptr );
+
+    protected:
+        void mousePressEvent( QMouseEvent * e) override;
+        void mouseReleaseEvent(QMouseEvent * e) override;
+        void contextMenuEvent( QContextMenuEvent * e ) override;
+        void paintEvent( QPaintEvent * e ) override;
+
+    private Q_SLOTS:
+        void slotValidateSignature();
+        void slotShowProperties();
+
+    private:
+        bool m_lefMouseButtonPressed;
+};
+
 #endif
diff --git a/ui/formwidgets.cpp b/ui/formwidgets.cpp
--- a/ui/formwidgets.cpp
+++ b/ui/formwidgets.cpp
@@ -22,6 +22,7 @@
 #include <kstandardaction.h>
 #include <qaction.h>
 #include <QUrl>
+#include <QPainter>
 
 // local includes
 #include "core/form.h"
@@ -275,6 +276,13 @@
             }
             break;
         }
+        case Okular::FormField::FormSignature:
+        {
+            Okular::FormFieldSignature * ffs = static_cast< Okular::FormFieldSignature * >( ff );
+            if ( ffs->isVisible() )
+                widget = new SignatureEdit( ffs, parent );
+            break;
+        }
         default: ;
     }
 
@@ -1056,4 +1064,71 @@
     return QComboBox::event( e );
 }
 
+SignatureEdit::SignatureEdit( Okular::FormFieldSignature * signature, QWidget * parent )
+    : QAbstractButton( parent ), FormWidgetIface( this, signature ), m_lefMouseButtonPressed( false )
+{
+    setCheckable( false );
+    setCursor( Qt::PointingHandCursor );
+    connect( this, &SignatureEdit::clicked, this, &SignatureEdit::slotValidateSignature );
+}
+
+void SignatureEdit::mousePressEvent( QMouseEvent * e )
+{
+    if ( e->button() == Qt::LeftButton )
+    {
+        m_lefMouseButtonPressed = true;
+        update();
+    }
+}
+
+void SignatureEdit::mouseReleaseEvent( QMouseEvent * e )
+{
+    m_lefMouseButtonPressed = false;
+    if ( e->button() == Qt::LeftButton)
+    {
+        emit clicked();
+        update();
+    }
+}
+
+void SignatureEdit::contextMenuEvent( QContextMenuEvent * e )
+{
+    QMenu *menu = new QMenu( this );
+    QAction *sigVal = new QAction( i18n("Validate Signature"), this );
+    QAction *sigProp = new QAction( i18n("Show Signature Properties"), this );
+    sigVal->setEnabled( false );
+    sigProp->setEnabled( false );
+    menu->addAction( sigVal );
+    menu->addAction( sigProp );
+    connect( sigVal, &QAction::triggered, this, &SignatureEdit::slotValidateSignature );
+    connect( sigProp, &QAction::triggered, this, &SignatureEdit::slotShowProperties );
+    menu->exec( e->globalPos() );
+    delete menu;
+}
+
+void SignatureEdit::paintEvent( QPaintEvent * )
+{
+    QPainter painter( this );
+    painter.setPen( Qt::black );
+    if ( m_lefMouseButtonPressed )
+    {
+        QColor col = palette().color( QPalette::Active, QPalette::Highlight );
+        col.setAlpha(50);
+        painter.setBrush( col );
+    }
+    else
+        painter.setBrush( Qt::transparent );
+    painter.drawRect( 0, 0, width()-2, height()-2 );
+}
+
+void SignatureEdit::slotValidateSignature()
+{
+    //validate signature
+}
+
+void SignatureEdit::slotShowProperties()
+{
+    //show signature properties
+}
+
 #include "moc_formwidgets.cpp"