refs #883, overlay messages can have shadow

src/blackgui/overlaymessages.cpp

@@ -30,6 +30,7 @@
 #include <QSize>
 #include <QStackedWidget>
 #include <QStyle>
+#include <QGraphicsDropShadowEffect>
 #include <QTextEdit>
 #include <QToolButton>
 #include <Qt>
@@ -382,6 +383,15 @@ namespace BlackGui
         return this->m_awaitingConfirmation;
     }
 
+    void COverlayMessages::addShadow()
+    {
+        QGraphicsDropShadowEffect *shadow = new QGraphicsDropShadowEffect(this);
+        QColor color(Qt::blue);
+        color.setAlpha(96);
+        shadow->setColor(color);
+        this->setGraphicsEffect(shadow);
+    }
+
     void COverlayMessages::keyPressEvent(QKeyEvent *event)
     {
         if (!this->isVisible()) { QFrame::keyPressEvent(event); }

src/blackgui/overlaymessages.h

@@ -108,6 +108,9 @@ namespace BlackGui
         //! Is awaiting a conformation
         bool hasPendingConfirmation() const;
 
+        //! Add a shadow
+        void addShadow();
+
     signals:
         //! Confirmation completed
         void confirmationCompleted();

src/blackgui/overlaymessagesframe.cpp

@@ -114,8 +114,11 @@ namespace BlackGui
         if (!this->m_overlayMessages)
         {
             this->m_overlayMessages = new COverlayMessages(inner.width(), inner.height(), this);
+            this->m_overlayMessages->addShadow();
         }
 
+        Q_ASSERT(this->m_overlayMessages);
+
         const bool isFrameless = CGuiUtility::isMainWindowFrameless();
         const QPoint middle = this->geometry().center();
         const double yFactor = isFrameless ? 1.25 : 1.5; // 2 is middle in normal window