From d4afa0e3308b7979d224575187d2dfacea054311 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lukas=20Br=C3=BCbach?= <Bruebach.Lukas@bdosecurity.de>
Date: Wed, 19 Nov 2025 23:16:44 +0100
Subject: [PATCH] Clear history when setting deck.

Took 6 minutes
---
 .../widgets/deck_editor/deck_editor_deck_dock_widget.cpp  | 1 +
 .../libcockatrice/deck_list/deck_list_history_manager.cpp | 8 ++++++++
 .../libcockatrice/deck_list/deck_list_history_manager.h   | 2 ++
 3 files changed, 11 insertions(+)

diff --git a/cockatrice/src/interface/widgets/deck_editor/deck_editor_deck_dock_widget.cpp b/cockatrice/src/interface/widgets/deck_editor/deck_editor_deck_dock_widget.cpp
index d974eda22..b7ba70cba 100644
--- a/cockatrice/src/interface/widgets/deck_editor/deck_editor_deck_dock_widget.cpp
+++ b/cockatrice/src/interface/widgets/deck_editor/deck_editor_deck_dock_widget.cpp
@@ -404,6 +404,7 @@ void DeckEditorDeckDockWidget::setDeck(DeckLoader *_deck)
     connect(deckLoader, &DeckLoader::deckLoaded, deckModel, &DeckListModel::rebuildTree);
     connect(deckLoader->getDeckList(), &DeckList::deckHashChanged, deckModel, &DeckListModel::deckHashChanged);
 
+    historyManager->clear();
     historyManagerWidget->setDeckListModel(deckModel);
 
     syncDisplayWidgetsToModel();
diff --git a/libcockatrice_deck_list/libcockatrice/deck_list/deck_list_history_manager.cpp b/libcockatrice_deck_list/libcockatrice/deck_list/deck_list_history_manager.cpp
index fe44d0eb8..7b640370b 100644
--- a/libcockatrice_deck_list/libcockatrice/deck_list/deck_list_history_manager.cpp
+++ b/libcockatrice_deck_list/libcockatrice/deck_list/deck_list_history_manager.cpp
@@ -7,6 +7,14 @@ void DeckListHistoryManager::save(DeckListMemento *memento)
     emit undoRedoStateChanged();
 }
 
+void DeckListHistoryManager::clear()
+{
+    undoStack.clear();
+    redoStack.clear();
+
+    emit undoRedoStateChanged();
+}
+
 void DeckListHistoryManager::undo(DeckList *deck)
 {
     if (undoStack.isEmpty()) {
diff --git a/libcockatrice_deck_list/libcockatrice/deck_list/deck_list_history_manager.h b/libcockatrice_deck_list/libcockatrice/deck_list/deck_list_history_manager.h
index ca4a7e8dc..bc18461ff 100644
--- a/libcockatrice_deck_list/libcockatrice/deck_list/deck_list_history_manager.h
+++ b/libcockatrice_deck_list/libcockatrice/deck_list/deck_list_history_manager.h
@@ -22,6 +22,8 @@ public:
 
     void save(DeckListMemento *memento);
 
+    void clear();
+
     bool canUndo() const
     {
         return !undoStack.isEmpty();