diff --git a/cockatrice/src/game/zones/view_zone_widget.cpp b/cockatrice/src/game/zones/view_zone_widget.cpp
index 83bea2be2..7dd21b9d5 100644
--- a/cockatrice/src/game/zones/view_zone_widget.cpp
+++ b/cockatrice/src/game/zones/view_zone_widget.cpp
@@ -347,29 +347,38 @@ void ZoneViewWidget::initStyleOption(QStyleOption *option) const
         titleBar->icon = QPixmap("theme:cockatrice");
 }
 
+/**
+ * Expands/shrinks the window, depending on the current height as well as the configured initial and expanded max
+ * heights.
+ */
+void ZoneViewWidget::expandWindow()
+{
+    qreal maxInitialHeight = calcMaxInitialHeight();
+    qreal maxExpandedHeight = rowsToHeight(SettingsCache::instance().getCardViewExpandedRowsMax());
+    qreal height = rect().height() - extraHeight - 10;
+    qreal maxHeight = maximumHeight() - extraHeight - 10;
+
+    // reset window to initial max height if...
+    bool doResetSize =
+        // current height is less than that
+        (height < maxInitialHeight) ||
+        // current height is at expanded max height
+        (height == maxExpandedHeight) ||
+        // current height is at actual max height, and actual max height is less than expanded max height
+        (height == maxHeight && height > maxInitialHeight && height < maxExpandedHeight);
+
+    if (doResetSize) {
+        resizeToZoneContents(true);
+    } else {
+        // expand/shrink window to expanded max height if current height is anywhere at or between initial max height
+        // and actual max height
+        resize(maximumSize().boundedTo({maximumWidth(), maxExpandedHeight + extraHeight + 10}));
+    }
+}
+
 void ZoneViewWidget::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
 {
     if (event->pos().y() <= 0) {
-        qreal maxInitialHeight = calcMaxInitialHeight();
-        qreal maxExpandedHeight = rowsToHeight(SettingsCache::instance().getCardViewExpandedRowsMax());
-        qreal height = rect().height() - extraHeight - 10;
-        qreal maxHeight = maximumHeight() - extraHeight - 10;
-
-        // reset window to initial max height if...
-        bool doResetSize =
-            // current height is less than that
-            (height < maxInitialHeight) ||
-            // current height is at expanded max height
-            (height == maxExpandedHeight) ||
-            // current height is at actual max height, and actual max height is less than expanded max height
-            (height == maxHeight && height > maxInitialHeight && height < maxExpandedHeight);
-
-        if (doResetSize) {
-            resizeToZoneContents(true);
-        } else {
-            // expand/shrink window to expanded max height if current height is anywhere at or between initial max
-            // height and actual max height
-            resize(maximumSize().boundedTo({maximumWidth(), maxExpandedHeight + extraHeight + 10}));
-        }
+        expandWindow();
     }
 }
\ No newline at end of file
diff --git a/cockatrice/src/game/zones/view_zone_widget.h b/cockatrice/src/game/zones/view_zone_widget.h
index 41c59d5e8..177bcb92a 100644
--- a/cockatrice/src/game/zones/view_zone_widget.h
+++ b/cockatrice/src/game/zones/view_zone_widget.h
@@ -68,6 +68,7 @@ private slots:
     void zoneDeleted();
     void moveEvent(QGraphicsSceneMoveEvent * /* event */) override;
     void resizeEvent(QGraphicsSceneResizeEvent * /* event */) override;
+    void expandWindow();
 
 public:
     ZoneViewWidget(Player *_player,