Add common message dialog

src/dialogs/messagedialog.h

@@ -0,0 +1,46 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2020-2023, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry 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 Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef MESSAGEDIALOG_H
+#define MESSAGEDIALOG_H
+
+#include <QDialog>
+
+class Ui_MessageDialog;
+
+class MessageDialog : public QDialog {
+  Q_OBJECT
+
+ public:
+  explicit MessageDialog(QWidget *parent = nullptr);
+  ~MessageDialog() override;
+
+  void set_settings_group(const QString &settings_group) { settings_group_ = settings_group; }
+  void set_do_not_show_message_again(const QString &do_not_show_message_again) { do_not_show_message_again_ = do_not_show_message_again; }
+
+ private slots:
+  void DoNotShowMessageAgain();
+
+ protected:
+  Ui_MessageDialog *ui_;
+  QString settings_group_;
+  QString do_not_show_message_again_;
+};
+
+#endif  // MESSAGEDIALOG_H