work in progress

designer/src/desktop_platform.h

@@ -0,0 +1,50 @@
+// Desktop platform implementation using GLFW + OpenGL 3.3
+// Note: Graphics context and rendering is handled by RmlUi's backend.
+// This platform implementation provides file interface and utilities.
+#pragma once
+
+#include "platform.h"
+#include "file_interface.h"
+#include <memory>
+
+namespace mosis::desktop {
+
+class DesktopPlatform : public IPlatform {
+    uint32_t m_width = 540;
+    uint32_t m_height = 960;
+    std::unique_ptr<DesktopFileInterface> m_file_interface;
+    double m_start_time = 0.0;
+
+public:
+    DesktopPlatform();
+    ~DesktopPlatform() override;
+
+    // Initialize the platform
+    bool Initialize(uint32_t width, uint32_t height, const char* title);
+    void Shutdown();
+
+    // IPlatform implementation
+    std::unique_ptr<IGraphicsContext> CreateGraphicsContext() override;
+    std::unique_ptr<IRenderTarget> CreateRenderTarget(uint32_t width, uint32_t height) override;
+    IFileInterface& GetFileInterface() override;
+
+    void Log(const std::string& message) override;
+    void LogError(const std::string& message) override;
+
+    bool PollEvents() override;
+    void SwapBuffers() override;
+    bool ShouldClose() const override;
+
+    uint32_t GetWidth() const override { return m_width; }
+    uint32_t GetHeight() const override { return m_height; }
+    void SetResolution(uint32_t width, uint32_t height) override;
+    float GetDpiScale() const override;
+
+    double GetElapsedTime() const override;
+
+    // Input state (delegated to RmlUi backend)
+    bool IsMouseButtonDown() const;
+    void GetMousePosition(double& x, double& y) const;
+};
+
+} // namespace mosis::desktop