Printing: safer Template->Import|Export handling

Check if the file string is empty and return, else process it.

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/qt-ui/printoptions.cpp b/qt-ui/printoptions.cpp
index 48489bae5..1da95a94d 100644
--- a/qt-ui/printoptions.cpp
+++ b/qt-ui/printoptions.cpp
@@ -106,6 +106,8 @@ void PrintOptions::on_importButton_clicked()
 {
 	QString filename = QFileDialog::getOpenFileName(this, tr("Import Template file"), "",
 							tr("HTML files (*.html)"));
+	if (filename.isEmpty())
+		return;
 	QFileInfo fileInfo(filename);
 	QFile::copy(filename, getSubsurfaceDataPath("printing_templates") + QDir::separator() + fileInfo.fileName());
 	printOptions->p_template = fileInfo.fileName();
@@ -117,6 +119,8 @@ void PrintOptions::on_exportButton_clicked()
 {
 	QString filename = QFileDialog::getSaveFileName(this, tr("Export Template files as"), "",
 							tr("HTML files (*.html)"));
+	if (filename.isEmpty())
+		return;
 	QFile::copy(getSubsurfaceDataPath("printing_templates") + QDir::separator() + getSelectedTemplate(), filename);
 }