create and connect signal

cockatrice/src/client/tabs/tab_deck_editor.cpp

@@ -3,6 +3,7 @@
 #include "../../client/game_logic/abstract_client.h"
 #include "../../client/tapped_out_interface.h"
 #include "../../client/ui/widgets/cards/card_info_frame_widget.h"
+#include "../../deck/deck_edit_event_bus.h"
 #include "../../deck/deck_stats_interface.h"
 #include "../../dialogs/dlg_load_deck.h"
 #include "../../dialogs/dlg_load_deck_from_clipboard.h"
@@ -745,6 +746,8 @@ TabDeckEditor::TabDeckEditor(TabSupervisor *_tabSupervisor) : Tab(_tabSupervisor
     connect(&SettingsCache::instance().shortcuts(), SIGNAL(shortCutChanged()), this, SLOT(refreshShortcuts()));
     refreshShortcuts();
 
+    connect(this, &TabDeckEditor::deckSaved, DeckEditEventBus::instance(), &DeckEditEventBus::deckModified);
+
     loadLayout();
 }
 
@@ -1136,6 +1139,8 @@ bool TabDeckEditor::actSaveDeck()
         return actSaveDeckAs();
     else if (deck->saveToFile(deck->getLastFileName(), deck->getLastFileFormat())) {
         setModified(false);
+
+        emit deckSaved(deck->getLastFileName());
         return true;
     }
     QMessageBox::critical(
@@ -1168,6 +1173,7 @@ bool TabDeckEditor::actSaveDeckAs()
 
     SettingsCache::instance().recents().updateRecentlyOpenedDeckPaths(fileName);
 
+    emit deckSaved(fileName);
     return true;
 }
 

cockatrice/src/client/tabs/tab_deck_editor.h

@@ -189,6 +189,7 @@ public slots:
 signals:
     void openDeckEditor(const DeckLoader *deckLoader);
     void deckEditorClosing(TabDeckEditor *tab);
+    void deckSaved(const QString &filePath);
 };
 
 #endif

cockatrice/src/client/ui/widgets/visual_deck_storage/visual_deck_storage_widget.cpp

@@ -1,5 +1,6 @@
 #include "visual_deck_storage_widget.h"
 
+#include "../../../../deck/deck_edit_event_bus.h"
 #include "../../../../game/cards/card_database_manager.h"
 #include "../../../../settings/cache_settings.h"
 #include "../quick_settings/settings_button_widget.h"
@@ -110,6 +111,9 @@ VisualDeckStorageWidget::VisualDeckStorageWidget(QWidget *parent) : QWidget(pare
 
     retranslateUi();
 
+    connect(DeckEditEventBus::instance(), &DeckEditEventBus::deckModified, this,
+            &VisualDeckStorageWidget::handleDeckModified);
+
     // Don't waste time processing the cards if they're going to get refreshed anyway once the db finishes loading
     if (CardDatabaseManager::getInstance()->getLoadStatus() == LoadStatus::Ok) {
         createRootFolderWidget();
@@ -218,3 +222,18 @@ void VisualDeckStorageWidget::updateTagsVisibility(const bool visible)
         tagFilterWidget->setHidden(true);
     }
 }
+
+/**
+ * Handles the scenario where a deck file has been modified. Updates the visual deck storage to reflect the change.
+ *
+ * @param filePath filepath to the changed deck
+ */
+void VisualDeckStorageWidget::handleDeckModified(const QString &filePath)
+{
+    // ignore if file isn't in deck folder
+    if (!filePath.startsWith(SettingsCache::instance().getDeckPath())) {
+        return;
+    }
+
+    refreshIfPossible();
+}

cockatrice/src/client/ui/widgets/visual_deck_storage/visual_deck_storage_widget.h

@@ -39,6 +39,7 @@ public slots:
     void updateSearchFilter();
     void updateTagsVisibility(bool visible);
     void updateSortOrder();
+    void handleDeckModified(const QString &filePath);
     void resizeEvent(QResizeEvent *event) override;
     void showEvent(QShowEvent *event) override;
 

cockatrice/src/deck/deck_edit_event_bus.h

@@ -21,6 +21,13 @@ private:
 
 public:
     static DeckEditEventBus *instance();
+
+signals:
+    /**
+     * Should be emitted when a change has been written to a deck file.
+     * @param filePath Absolute path to the deck file
+     */
+    void deckModified(const QString &filePath);
 };
 
 #endif // DECK_EDIT_EVENT_BUS_H