From 001bab44398e13f1f0d8907c72c816d1c699bbac Mon Sep 17 00:00:00 2001
From: PaddleStroke <pierrelouis.boyer@gmail.com>
Date: Thu, 25 Sep 2025 05:45:57 +0200
Subject: [PATCH] Core: Add signalAboutToOpenTransaction (#24049)

* Core: Add signalAboutToOpenTransaction

* change name to squash

* Update AutoTransaction.cpp

* Update Application.h

* reorder

* Update AutoTransaction.cpp

* Update Application.h
---
 src/App/Application.h       | 2 ++
 src/App/AutoTransaction.cpp | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/App/Application.h b/src/App/Application.h
index b1f482adc9..373ada68bf 100644
--- a/src/App/Application.h
+++ b/src/App/Application.h
@@ -251,6 +251,8 @@ public:
     boost::signals2::signal<void (const Document&)> signalRedoDocument;
     /// signal on application wide redo
     boost::signals2::signal<void ()> signalRedo;
+    /// signal before open active transaction
+    boost::signals2::signal<void (const std::string&)> signalBeforeOpenTransaction;
     /// signal before close/abort active transaction
     boost::signals2::signal<void (bool)> signalBeforeCloseTransaction;
     /// signal after close/abort active transaction
diff --git a/src/App/AutoTransaction.cpp b/src/App/AutoTransaction.cpp
index 5e1ba49eb5..d6c1e18d2b 100644
--- a/src/App/AutoTransaction.cpp
+++ b/src/App/AutoTransaction.cpp
@@ -134,6 +134,8 @@ int Application::setActiveTransaction(const char* name, bool persist)
     if (!name || !name[0]) {
         name = "Command";
     }
+    
+    this->signalBeforeOpenTransaction(name);
 
     if (_activeTransactionGuard > 0 && getActiveTransaction()) {
         if (_activeTransactionTmpName) {