Initial startup screen, here user can decide

to use DBus or local context, frameless window.
In the future likely more options, e.g. for bootstrapping
(setting the DBus server IP)

samples/blackgui/introwindow.cpp

@@ -0,0 +1,60 @@
+#include "introwindow.h"
+#include "ui_introwindow.h"
+#include <QDesktopServices>
+#include <QUrl>
+
+/*
+ * Constructor
+ */
+CIntroWindow::CIntroWindow(QWidget *parent) :
+    QDialog(parent, Qt::Tool),
+    ui(new Ui::CIntroWindow)
+{
+    ui->setupUi(this);
+    this->layout()->setSizeConstraint(QLayout::SetFixedSize);
+}
+
+/*
+ * Destructor
+ */
+CIntroWindow::~CIntroWindow()
+{
+    delete ui;
+}
+
+/*
+ * Window mode
+ */
+GuiModes::WindowMode CIntroWindow::getWindowMode() const
+{
+    if (this->ui->rb_WindowNormal->isChecked()) return GuiModes::WindowNormal;
+    if (this->ui->rb_WindowFrameless->isChecked()) return GuiModes::WindowFrameless;
+    qFatal("Illegal GUI status (window mode");
+    return GuiModes::WindowNormal; // just for compiler warning
+}
+
+/*
+ * Core mode
+ */
+GuiModes::CoreMode CIntroWindow::getCoreMode() const
+{
+    if (this->ui->rb_CoreExternal->isChecked())return GuiModes::CoreExternal;
+    if (this->ui->rb_CoreExternalVoiceLocal->isChecked()) return GuiModes::CoreExternalVoiceLocal;
+    if (this->ui->rb_CoreInGuiProcess->isChecked()) return GuiModes::CoreInGuiProcess;
+    qFatal("Illegal GUI status (core mode");
+    return GuiModes::CoreExternal; // just for compiler warning
+}
+
+
+/*
+ * Button clicked
+ */
+void CIntroWindow::buttonClicked() const
+{
+    QObject *sender = QObject::sender();
+    if (sender == this->ui->pb_ModelDb) {
+        QDesktopServices::openUrl(QUrl("http://vatrep.vatsim-germany.org/page/index.php", QUrl::TolerantMode));
+    } else if (sender == this->ui->pb_WebSite) {
+        QDesktopServices::openUrl(QUrl("https://dev.vatsim-germany.org/", QUrl::TolerantMode));
+    }
+}