Import: Make DiveLogImportDialog modal

By making this modal, we can use a local variable and remove the
nasty "deleteLater()" hack to reclaim the resources after the
dialog closes.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

desktop-widgets/divelogimportdialog.cpp

@@ -1010,22 +1010,6 @@ void DiveLogImportDialog::on_buttonBox_accepted()
 	MainWindow::instance()->refreshDisplay();
 }
 
-// Since this is a non-modal dialog, the caller can't delete it at the call-site.
-// Therefore, hook into the accept() and reject() functions and schedule the object
-// for deletion with deleteLater(). Horrible, but absolutely the "Qt-way".
-// TODO: Think about making the dialog modal.
-void DiveLogImportDialog::accept()
-{
-	QDialog::accept();
-	deleteLater();
-}
-
-void DiveLogImportDialog::reject()
-{
-	QDialog::reject();
-	deleteLater();
-}
-
 TagDragDelegate::TagDragDelegate(QObject *parent) : QStyledItemDelegate(parent)
 {
 }

desktop-widgets/divelogimportdialog.h

@@ -89,8 +89,6 @@ slots:
 	void loadFileContents(int value, enum whatChanged triggeredBy);
 	int setup_csv_params(QStringList r, char **params, int pnr);
 	int parseTxtHeader(QString fileName, char **params, int pnr);
-	void accept() override;
-	void reject() override;
 
 private:
 	bool selector;

desktop-widgets/mainwindow.cpp

@@ -1811,8 +1811,8 @@ void MainWindow::on_actionImportDiveLog_triggered()
 	}
 
 	if (csvFiles.size()) {
-		DiveLogImportDialog *diveLogImport = new DiveLogImportDialog(csvFiles, this);
+		DiveLogImportDialog diveLogImport(csvFiles, this);
-		diveLogImport->show();
+		diveLogImport.exec();
 	}
 }