Add imgui debug window, still need to use unique contexts

scwx-qt/source/scwx/qt/ui/imgui_debug_widget.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <QOpenGLWidget>
+
+namespace Ui
+{
+class ImGuiDebugWidget;
+}
+
+namespace scwx
+{
+namespace qt
+{
+namespace ui
+{
+
+class ImGuiDebugWidgetImpl;
+
+class ImGuiDebugWidget : public QOpenGLWidget
+{
+private:
+   Q_DISABLE_COPY(ImGuiDebugWidget)
+
+public:
+   explicit ImGuiDebugWidget(QWidget* parent = nullptr);
+   ~ImGuiDebugWidget();
+
+   void initializeGL() override;
+   void paintGL() override;
+
+private:
+   friend class ImGuiDebugWidgetImpl;
+   std::unique_ptr<ImGuiDebugWidgetImpl> p;
+};
+
+} // namespace ui
+} // namespace qt
+} // namespace scwx