diff --git a/ui/formwidgets.h b/ui/formwidgets.h
--- a/ui/formwidgets.h
+++ b/ui/formwidgets.h
@@ -38,7 +38,9 @@
 class FormFieldButton;
 class FormFieldChoice;
 class FormFieldText;
+class FormFieldSignature;
 class Document;
+class SignatureInfo;
 }
 
 struct RadioData
@@ -346,6 +348,30 @@
     DECLARE_ADDITIONAL_ACTIONS
 };
 
+class SignatureEdit : public QAbstractButton, public FormWidgetIface
+{
+    Q_OBJECT
+
+    public:
+        explicit SignatureEdit( Okular::FormFieldSignature * signature, QWidget * parent = nullptr );
+        Okular::SignatureInfo *validate();
+
+    protected:
+        bool event( QEvent * e ) override;
+        void contextMenuEvent( QContextMenuEvent * event ) override;
+        void paintEvent( QPaintEvent * event ) override;
+
+    private Q_SLOTS:
+        void slotShowSummary();
+        void slotShowProperties();
+
+    private:
+        Okular::SignatureInfo *m_sigInfo;
+        bool m_lefMouseButtonPressed;
+
+    DECLARE_ADDITIONAL_ACTIONS
+};
+
 #undef DECLARE_ADDITIONAL_ACTIONS
 
 #endif
diff --git a/ui/formwidgets.cpp b/ui/formwidgets.cpp
--- a/ui/formwidgets.cpp
+++ b/ui/formwidgets.cpp
@@ -13,6 +13,7 @@
 
 #include "formwidgets.h"
 #include "pageviewutils.h"
+#include "signaturewidgets.h"
 
 #include <qbuttongroup.h>
 #include <QKeyEvent>
@@ -23,6 +24,7 @@
 #include <kstandardaction.h>
 #include <qaction.h>
 #include <QUrl>
+#include <QPainter>
 
 // local includes
 #include "core/form.h"
@@ -276,6 +278,13 @@
             }
             break;
         }
+        case Okular::FormField::FormSignature:
+        {
+            Okular::FormFieldSignature * ffs = static_cast< Okular::FormFieldSignature * >( ff );
+            if ( ffs->isVisible() && ffs->signatureType() != Okular::FormFieldSignature::UnknownType )
+                widget = new SignatureEdit( ffs, parent );
+            break;
+        }
         default: ;
     }
 
@@ -1049,6 +1058,105 @@
     return QComboBox::event( e );
 }
 
+SignatureEdit::SignatureEdit( Okular::FormFieldSignature * signature, QWidget * parent )
+    : QAbstractButton( parent ), FormWidgetIface( this, signature ),
+       m_sigInfo( nullptr ), m_lefMouseButtonPressed( false )
+{
+    setCheckable( false );
+    setCursor( Qt::PointingHandCursor );
+    connect( this, &SignatureEdit::clicked, this, &SignatureEdit::slotShowSummary );
+}
+
+bool SignatureEdit::event( QEvent * e )
+{
+    switch ( e->type() )
+    {
+        case QEvent::MouseButtonPress:
+        {
+            QMouseEvent *ev = static_cast< QMouseEvent * >( e );
+            if ( ev->button() == Qt::LeftButton )
+            {
+                m_lefMouseButtonPressed = true;
+                update();
+            }
+            mousePressEvent( ev );
+            break;
+        }
+        case QEvent::MouseButtonRelease:
+        {
+            QMouseEvent *ev = static_cast< QMouseEvent * >( e );
+            m_lefMouseButtonPressed = false;
+            if ( ev->button() == Qt::LeftButton)
+            {
+                update();
+            }
+            mouseReleaseEvent( ev );
+            break;
+        }
+        default:
+            break;
+    }
+
+    return QAbstractButton::event( e );
+}
+
+void SignatureEdit::contextMenuEvent( QContextMenuEvent * event )
+{
+    QMenu *menu = new QMenu( this );
+    QAction *sigVal = new QAction( i18n("Validate Signature"), this );
+    menu->addAction( sigVal );
+    connect( sigVal, &QAction::triggered, this, &SignatureEdit::slotShowSummary );
+    QAction *sigProp = new QAction( i18n("Show Signature Properties"), this );
+    sigProp->setEnabled( m_sigInfo != nullptr );
+    menu->addAction( sigProp );
+    connect( sigProp, &QAction::triggered, this, &SignatureEdit::slotShowProperties );
+    menu->exec( event->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 );
+}
+
+Okular::SignatureInfo *SignatureEdit::validate()
+{
+    Okular::FormFieldSignature *sigField = static_cast< Okular::FormFieldSignature * >( formField() );
+    m_sigInfo = sigField->validate();
+    return m_sigInfo;
+}
+
+void SignatureEdit::slotShowSummary()
+{
+    validate();
+    if ( !m_sigInfo )
+        return;
+
+    SignatureSummaryDialog sigSummaryDlg( m_sigInfo, this );
+    sigSummaryDlg.exec();
+}
+
+void SignatureEdit::slotShowProperties()
+{
+    if ( !m_sigInfo )
+        return;
+
+    SignaturePropertiesDialog sigPropDlg( m_sigInfo, this );
+    sigPropDlg.exec();
+}
+
 // Code for additional action handling.
 // Challenge: Change preprocessor magic to C++ magic!
 //
@@ -1134,6 +1242,7 @@
 DEFINE_ADDITIONAL_ACTIONS( FileEdit, KUrlRequester )
 DEFINE_ADDITIONAL_ACTIONS( ListEdit, QListWidget )
 DEFINE_ADDITIONAL_ACTIONS( ComboEdit, QComboBox )
+DEFINE_ADDITIONAL_ACTIONS( SignatureEdit, QAbstractButton )
 
 #undef DEFINE_ADDITIONAL_ACTIONS