Add Logging

cockatrice/resources/config/qtlogging.ini

@@ -46,6 +46,8 @@
 # cockatrice_xml.xml_4_parser = false
 # card_list = false
 
+# stack_zone = false
+
 flow_layout.debug = false
 flow_widget.debug = false
 flow_widget.size.debug = false

cockatrice/src/game/zones/stack_zone.cpp

@@ -78,6 +78,7 @@ void StackZone::handleDropEvent(const QList<CardDragItem *> &dragItems, CardZone
         const auto &card = cards.at(0);
 
         if (card == nullptr) {
+            qCWarning(StackZoneLog) << "Attempted to move card from" << startZone->getName() << ", but was null";
             return;
         }
 

cockatrice/src/game/zones/stack_zone.h

@@ -3,6 +3,8 @@
 
 #include "select_zone.h"
 
+inline Q_LOGGING_CATEGORY(StackZoneLog, "stack_zone");
+
 class StackZone : public SelectZone
 {
     Q_OBJECT