From 0dfb88ba99a5cc21a5bf402bfc2b0f6dc6fce586 Mon Sep 17 00:00:00 2001
From: RickyRister <ricky.rister.wang@gmail.com>
Date: Mon, 16 Dec 2024 23:41:08 -0800
Subject: [PATCH] implement feature

---
 cockatrice/src/game/zones/view_zone_widget.cpp | 17 +++++++++++++++--
 cockatrice/src/game/zones/view_zone_widget.h   |  3 ++-
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/cockatrice/src/game/zones/view_zone_widget.cpp b/cockatrice/src/game/zones/view_zone_widget.cpp
index 531ca06df..4a7d92417 100644
--- a/cockatrice/src/game/zones/view_zone_widget.cpp
+++ b/cockatrice/src/game/zones/view_zone_widget.cpp
@@ -282,7 +282,7 @@ static qreal determineNewZoneHeight(qreal oldZoneHeight)
     return calcMaxInitialHeight();
 }
 
-void ZoneViewWidget::resizeToZoneContents()
+void ZoneViewWidget::resizeToZoneContents(bool forceInitialHeight)
 {
     QRectF zoneRect = zone->getOptimumRect();
     qreal totalZoneHeight = zoneRect.height();
@@ -293,7 +293,7 @@ void ZoneViewWidget::resizeToZoneContents()
     QSizeF maxSize(width, zoneRect.height() + extraHeight + 10);
 
     qreal currentZoneHeight = rect().height() - extraHeight - 10;
-    qreal newZoneHeight = determineNewZoneHeight(currentZoneHeight);
+    qreal newZoneHeight = forceInitialHeight ? calcMaxInitialHeight() : determineNewZoneHeight(currentZoneHeight);
 
     QSizeF initialSize(width, newZoneHeight + extraHeight + 10);
 
@@ -335,3 +335,16 @@ void ZoneViewWidget::initStyleOption(QStyleOption *option) const
     if (titleBar)
         titleBar->icon = QPixmap("theme:cockatrice");
 }
+
+void ZoneViewWidget::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
+{
+    if (event->pos().y() <= 0) {
+        // expand window to full height and width if not currently at full height and width
+        // otherwise shrink window to initial max height
+        if (size().height() < maximumHeight() || size().width() < maximumWidth()) {
+            resize(maximumSize());
+        } else {
+            resizeToZoneContents(true);
+        }
+    }
+}
\ 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 af86fe624..41c59d5e8 100644
--- a/cockatrice/src/game/zones/view_zone_widget.h
+++ b/cockatrice/src/game/zones/view_zone_widget.h
@@ -63,7 +63,7 @@ private slots:
     void processGroupBy(int value);
     void processSortBy(int value);
     void processSetPileView(QT_STATE_CHANGED_T value);
-    void resizeToZoneContents();
+    void resizeToZoneContents(bool forceInitialHeight = false);
     void handleScrollBarChange(int value);
     void zoneDeleted();
     void moveEvent(QGraphicsSceneMoveEvent * /* event */) override;
@@ -90,6 +90,7 @@ public:
 protected:
     void closeEvent(QCloseEvent *event) override;
     void initStyleOption(QStyleOption *option) const override;
+    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override;
 };
 
 #endif