Add import dxf feature

Use dxf2elmt to import dxf.
See https://github.com/antonioaja/dxf2elmt

sources/ui/thirdpartybinaryinstalldialog.cpp

@@ -0,0 +1,51 @@
+/*
+	Copyright 2006-2022 The QElectroTech Team
+	This file is part of QElectroTech.
+
+	QElectroTech is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 2 of the License, or
+	(at your option) any later version.
+
+	QElectroTech is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "thirdpartybinaryinstalldialog.h"
+#include "ui_thirdpartybinaryinstalldialog.h"
+
+#include <QDialogButtonBox>
+#include <QPushButton>
+#include <QDesktopServices>
+#include <QDir>
+#include <QUrl>
+
+ThirdPartyBinaryInstallDialog::ThirdPartyBinaryInstallDialog(const QString &text,
+															 const QString &downloadLink,
+															 const QString &binaryFolderPath,
+															 QWidget *parent) :
+	QDialog{parent},
+	ui{new Ui::ThirdPartyBinaryInstallDialog}
+{
+	ui->setupUi(this);
+	ui->m_label->setText(text);
+
+	connect(ui->m_download_pb, &QPushButton::clicked, [downloadLink](){
+		QDesktopServices::openUrl(QUrl(downloadLink));
+	});
+	connect(ui->m_install_dir_pb, &QPushButton::clicked, [binaryFolderPath]() {
+			//Make sure the path exist
+		QDir dir_;
+		dir_.mkpath(binaryFolderPath);
+		QDesktopServices::openUrl(QUrl("file:///" + binaryFolderPath));
+	});
+}
+
+ThirdPartyBinaryInstallDialog::~ThirdPartyBinaryInstallDialog()
+{
+	delete ui;
+}