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src/frontend/RenderWidget.hpp

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+#pragma once
+#undef signals
+#include <ParallelRDPWrapper.hpp>
+#include <QWidget>
+#include <QWindow>
+#include <QVulkanInstance>
+
+class QtParallelRdpWindowInfo : public ParallelRdpWindowInfo {
+public:
+  QtParallelRdpWindowInfo(QWindow* window) : window(window) {}
+  CoordinatePair get_window_size() {
+    CoordinatePair{ static_cast<float>(window->width()), static_cast<float>(window->height()) };
+  }
+private:
+  QWindow* window;
+};
+
+class QtWSIPlatform final : public Vulkan::WSIPlatform {
+public:
+  QtWSIPlatform(QWindow* window) : window(window) {}
+
+  std::vector<const char*> get_instance_extensions() override {
+    auto vec = std::vector<const char*>();
+
+    for (const auto& ext : window->vulkanInstance()->extensions()) {
+      vec.push_back(ext);
+    }
+
+    return vec;
+  }
+
+  VkSurfaceKHR create_surface(VkInstance, VkPhysicalDevice) override {
+    return QVulkanInstance::surfaceForWindow(window);
+  }
+
+  uint32_t get_surface_width() override {
+    return 640;
+  }
+
+  uint32_t get_surface_height() override {
+    return 480;
+  }
+
+  bool alive(Vulkan::WSI&) override {
+    return true;
+  }
+
+  void poll_input() override { }
+
+  void event_frame_tick(double frame, double elapsed) override { }
+
+  const VkApplicationInfo* get_application_info() override {
+    return &appInfo;
+  }
+
+  VkApplicationInfo appInfo{
+    .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
+    .apiVersion = VK_API_VERSION_1_3
+  };
+private:
+  QWindow* window;
+};
+
+class RenderWidget : public QWidget {
+public:
+  explicit RenderWidget(QWidget* parent);
+
+  QPaintEngine* paintEngine() const override {
+    return nullptr;
+  }
+private:
+  std::unique_ptr<ParallelRdpWindowInfo> windowInfo;
+  QtWSIPlatform* wsiPlatform;
+  QVulkanInstance instance;
+};