From 50dbc763d30426f44282f3f77a968aed9e878f67 Mon Sep 17 00:00:00 2001
From: RickyRister <ricky.rister.wang@gmail.com>
Date: Tue, 4 Mar 2025 19:48:12 -0800
Subject: [PATCH] Revert "Revert file watcher in VDS"

---
 .../visual_deck_storage_widget.cpp              | 17 +++++++++++++++++
 .../visual_deck_storage_widget.h                |  3 +++
 2 files changed, 20 insertions(+)

diff --git a/cockatrice/src/client/ui/widgets/visual_deck_storage/visual_deck_storage_widget.cpp b/cockatrice/src/client/ui/widgets/visual_deck_storage/visual_deck_storage_widget.cpp
index 8ac228410..db7533cf4 100644
--- a/cockatrice/src/client/ui/widgets/visual_deck_storage/visual_deck_storage_widget.cpp
+++ b/cockatrice/src/client/ui/widgets/visual_deck_storage/visual_deck_storage_widget.cpp
@@ -11,6 +11,7 @@
 
 #include <QComboBox>
 #include <QDirIterator>
+#include <QFileSystemWatcher>
 #include <QMouseEvent>
 #include <QVBoxLayout>
 
@@ -125,6 +126,12 @@ VisualDeckStorageWidget::VisualDeckStorageWidget(QWidget *parent) : QWidget(pare
     } else {
         scrollArea->setWidget(databaseLoadIndicator);
     }
+
+    addRecursiveWatch(watcher, SettingsCache::instance().getDeckPath());
+
+    // Signals for changes
+    connect(&watcher, &QFileSystemWatcher::fileChanged, this, &VisualDeckStorageWidget::refreshIfPossible);
+    connect(&watcher, &QFileSystemWatcher::directoryChanged, this, &VisualDeckStorageWidget::refreshIfPossible);
 }
 
 void VisualDeckStorageWidget::refreshIfPossible()
@@ -134,6 +141,16 @@ void VisualDeckStorageWidget::refreshIfPossible()
     }
 }
 
+void VisualDeckStorageWidget::addRecursiveWatch(QFileSystemWatcher &watcher, const QString &dirPath)
+{
+    QDir dir(dirPath);
+    watcher.addPath(dirPath); // Watch the root directory
+
+    for (const QFileInfo &entry : dir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot)) {
+        addRecursiveWatch(watcher, entry.absoluteFilePath());
+    }
+}
+
 void VisualDeckStorageWidget::showEvent(QShowEvent *event)
 {
     QWidget::showEvent(event);
diff --git a/cockatrice/src/client/ui/widgets/visual_deck_storage/visual_deck_storage_widget.h b/cockatrice/src/client/ui/widgets/visual_deck_storage/visual_deck_storage_widget.h
index adfff06cb..b503c53c2 100644
--- a/cockatrice/src/client/ui/widgets/visual_deck_storage/visual_deck_storage_widget.h
+++ b/cockatrice/src/client/ui/widgets/visual_deck_storage/visual_deck_storage_widget.h
@@ -14,6 +14,7 @@
 
 #include <QCheckBox>
 #include <QFileSystemModel>
+#include <QFileSystemWatcher>
 
 class VisualDeckStorageSearchWidget;
 class VisualDeckStorageSortWidget;
@@ -26,6 +27,7 @@ class VisualDeckStorageWidget final : public QWidget
 public:
     explicit VisualDeckStorageWidget(QWidget *parent);
     void refreshIfPossible();
+    void addRecursiveWatch(QFileSystemWatcher &watcher, const QString &dirPath);
     void retranslateUi();
 
     CardSizeWidget *cardSizeWidget;
@@ -66,6 +68,7 @@ private:
     QCheckBox *searchFolderNamesCheckBox;
     QScrollArea *scrollArea;
     VisualDeckStorageFolderDisplayWidget *folderWidget;
+    QFileSystemWatcher watcher;
 
     void reapplySortAndFilters();
 };