Add common message dialog

src/dialogs/messagedialog.cpp

@@ -0,0 +1,57 @@
+/*
+ * 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/>.
+ *
+ */
+
+#include "config.h"
+
+#include <QDialog>
+#include <QDialogButtonBox>
+#include <QString>
+#include <QLabel>
+#include <QPushButton>
+#include <QKeySequence>
+#include <QCheckBox>
+#include <QSettings>
+
+#include "messagedialog.h"
+#include "ui_messagedialog.h"
+
+MessageDialog::MessageDialog(QWidget *parent) : QDialog(parent), ui_(new Ui_MessageDialog) {
+
+  ui_->setupUi(this);
+
+  setWindowFlags(windowFlags() | Qt::WindowStaysOnTopHint);
+
+  ui_->buttonBox->button(QDialogButtonBox::Ok)->setShortcut(QKeySequence::Close);
+
+  QObject::connect(ui_->checkbox_do_not_show_message_again, &QCheckBox::toggled, this, &MessageDialog::DoNotShowMessageAgain);
+
+}
+
+MessageDialog::~MessageDialog() { delete ui_; }
+
+void MessageDialog::DoNotShowMessageAgain() {
+
+  if (!settings_group_.isEmpty() && !do_not_show_message_again_.isEmpty()) {
+    QSettings s;
+    s.beginGroup(settings_group_);
+    s.setValue(do_not_show_message_again_, ui_->checkbox_do_not_show_message_again->isChecked());
+    s.endGroup();
+  }
+
+}