more updates

tierplaceholder.cpp

@@ -0,0 +1,24 @@
+#include "tierplaceholder.hpp"
+#include "settings.hpp"
+
+TierPlaceholder::TierPlaceholder(QWidget *parent)
+    : QWidget{parent}
+{
+    auto settings = Settings::get();
+    connect(settings, SIGNAL(cardSizeChange(QSize)),
+            this, SLOT(cardResize(QSize)));
+    QSizePolicy sp;
+    sp.setRetainSizeWhenHidden(true);
+    sp.setHorizontalPolicy(QSizePolicy::Fixed);
+    sp.setVerticalPolicy(QSizePolicy::Fixed);
+    setSizePolicy(sp);
+    //TODO potentially a race condition if card size is
+    //changed between settings->cardSize() being evaluated
+    //and cardResize() being called
+    cardResize(settings->cardSize());
+}
+
+void TierPlaceholder::cardResize(QSize newSize)
+{
+    setFixedSize(newSize);
+}