padding added

src/controls/QskBox.cpp

@@ -4,6 +4,7 @@
  *****************************************************************************/
 
 #include "QskBox.h"
+#include "QskSkinHintTable.h"
 
 QSK_SUBCONTROL( QskBox, Panel )
 
@@ -39,6 +40,65 @@ bool QskBox::hasPanel() const
     return m_hasPanel;
 }
 
+void QskBox::setPadding( qreal padding )
+{
+    setPadding( QMarginsF( padding, padding, padding, padding ) );
+}
+
+void QskBox::setPadding( const QMarginsF& padding )
+{
+    using namespace QskAspect;
+
+    const QMarginsF pd(
+        qMax( qreal( padding.left() ), qreal( 0.0 ) ),
+        qMax( qreal( padding.top() ), qreal( 0.0 ) ),
+        qMax( qreal( padding.right() ), qreal( 0.0 ) ),
+        qMax( qreal( padding.bottom() ), qreal( 0.0 ) ) );
+
+    if ( pd != this->padding() )
+    {
+        const auto subControl = effectiveSubcontrol( QskBox::Panel );
+
+        setMarginsHint( subControl | Padding, pd );
+        resetImplicitSize();
+
+        if ( polishOnResize() || autoLayoutChildren() )
+            polish();
+
+        Q_EMIT paddingChanged( pd );
+    }
+}
+
+void QskBox::resetPadding()
+{
+    using namespace QskAspect;
+    const Aspect aspect = QskBox::Panel | Metric | Padding;
+
+    const auto oldPadding = marginsHint( aspect );
+
+    auto& table = hintTable();
+    if ( table.hint( aspect ).isValid() )
+    {
+        table.removeHint( aspect );
+
+        const auto padding = marginsHint( aspect );
+        if ( padding != oldPadding )
+        {
+            resetImplicitSize();
+
+            if ( polishOnResize() || autoLayoutChildren() )
+                polish();
+
+            Q_EMIT paddingChanged( padding );
+        }
+    }
+}
+
+QMarginsF QskBox::padding() const
+{
+    return marginsHint( QskBox::Panel | QskAspect::Padding );
+}
+
 QRectF QskBox::layoutRectForSize( const QSizeF& size ) const
 {
     if ( !m_hasPanel )

src/controls/QskBox.h

@@ -17,6 +17,9 @@ class QSK_EXPORT QskBox : public QskControl
     Q_PROPERTY( bool panel READ hasPanel
         WRITE setPanel NOTIFY panelChanged FINAL )
 
+    Q_PROPERTY( QMarginsF padding READ padding
+        WRITE setPadding RESET resetPadding NOTIFY paddingChanged )
+
   public:
     QSK_SUBCONTROLS( Panel )
 
@@ -28,10 +31,16 @@ class QSK_EXPORT QskBox : public QskControl
     void setPanel( bool );
     bool hasPanel() const;
 
+    void setPadding( qreal );
+    void setPadding( const QMarginsF& );
+    void resetPadding();
+    QMarginsF padding() const;
+
     QRectF layoutRectForSize( const QSizeF& ) const override;
 
   Q_SIGNALS:
     void panelChanged( bool );
+    void paddingChanged( const QMarginsF& );
 
   protected:
     QSizeF contentsSizeHint( Qt::SizeHint, const QSizeF& ) const override;