DolphinQt: initial commit.

This adds the beginning of the DolphinQt user interface. It doesn't
do anything useful yet and only builds via CMake.

Source/Core/DolphinQt/MainWindow.cpp

@@ -0,0 +1,44 @@
+// Copyright 2014 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include <QDesktopServices>
+#include <QUrl>
+
+#include "AboutDialog.h"
+
+#include "MainWindow.h"
+#include "ui_MainWindow.h"
+
+DMainWindow::DMainWindow(QWidget *p) :
+    QMainWindow(p),
+    ui(new Ui::DMainWindow)
+{
+	ui->setupUi(this);
+}
+
+DMainWindow::~DMainWindow()
+{
+	delete ui;
+}
+
+void DMainWindow::on_actWebsite_triggered()
+{
+    QDesktopServices::openUrl(QUrl("https://dolphin-emu.org/"));
+}
+
+void DMainWindow::on_actOnlineDocs_triggered()
+{
+    QDesktopServices::openUrl(QUrl("https://dolphin-emu.org/docs/guides/"));
+}
+
+void DMainWindow::on_actGitHub_triggered()
+{
+    QDesktopServices::openUrl(QUrl("https://github.com/dolphin-emu/dolphin/"));
+}
+
+void DMainWindow::on_actAbout_triggered()
+{
+	DAboutDialog dlg;
+	dlg.exec();
+}