From aa1d78cbeaeee77e23d82ffde04f6b71cf7f8dc6 Mon Sep 17 00:00:00 2001
From: Jean Felder <jean.felder@oslandia.com>
Date: Thu, 7 Aug 2025 19:46:42 +0200
Subject: [PATCH] qgsplotcanvas: Fix mousePressEvent when no tool is set

In that case, `mTool->flags()` cannot be checked. Fix the issue by
also checking that `mTool` is set.

Closes: https://github.com/qgis/QGIS/issues/62800
---
 src/gui/plot/qgsplotcanvas.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/plot/qgsplotcanvas.cpp b/src/gui/plot/qgsplotcanvas.cpp
index 68087e65eee..eeb25739151 100644
--- a/src/gui/plot/qgsplotcanvas.cpp
+++ b/src/gui/plot/qgsplotcanvas.cpp
@@ -166,7 +166,7 @@ void QgsPlotCanvas::mousePressEvent( QMouseEvent *event )
       setTool( mMidMouseButtonPanTool );
       event->accept();
     }
-    else if ( event->button() == Qt::RightButton && mTool->flags() & Qgis::PlotToolFlag::ShowContextMenu )
+    else if ( event->button() == Qt::RightButton && mTool && mTool->flags() & Qgis::PlotToolFlag::ShowContextMenu )
     {
       auto me = std::make_unique<QgsPlotMouseEvent>( this, event );
       showContextMenu( me.get() );