From 543d424f584f6d4a61cba0ce6c2ea6d7343e44bb Mon Sep 17 00:00:00 2001 From: Andreas Fabri Date: Fri, 21 Nov 2025 10:50:25 +0000 Subject: [PATCH] Periodic_triangulation_3: Fix warning in demo --- .../demo/Periodic_3_triangulation_3/MainWindow.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Periodic_3_triangulation_3/demo/Periodic_3_triangulation_3/MainWindow.h b/Periodic_3_triangulation_3/demo/Periodic_3_triangulation_3/MainWindow.h index ca9bf07e116..28daeb7dd24 100644 --- a/Periodic_3_triangulation_3/demo/Periodic_3_triangulation_3/MainWindow.h +++ b/Periodic_3_triangulation_3/demo/Periodic_3_triangulation_3/MainWindow.h @@ -138,7 +138,12 @@ public Q_SLOTS: private: void showFileBox(QString title, QString fileName) { QFile textFile(fileName); - textFile.open(QIODevice::ReadOnly); + bool b = textFile.open(QIODevice::ReadOnly); + if(!b){ + QMessageBox::critical(this, tr("Error"), + tr("Could not open file %1.").arg(fileName)); + return; + } QMessageBox mb(QMessageBox::NoIcon, title, QTextStream(&textFile).readAll(),