Initial commit for GitHub migration based on spice2x-25-03-03

src/spice2x/overlay/windows/generic_sub.h

@@ -0,0 +1,56 @@
+#ifndef SPICETOOLS_OVERLAY_WINDOWS_GENERIC_SUB_H
+#define SPICETOOLS_OVERLAY_WINDOWS_GENERIC_SUB_H
+
+#include <optional>
+
+#include <windows.h>
+#include <d3d9.h>
+
+#include "overlay/window.h"
+
+//=================================================================================================
+//  Global variable to track the coords of Subscreen.
+//  Values are in original coord-space (not scaled to Windowed mode size).
+//  
+//  For use with touch coords transformation.
+//=================================================================================================
+
+extern int GENERIC_SUB_WINDOW_X;
+extern int GENERIC_SUB_WINDOW_Y;
+extern int GENERIC_SUB_WINDOW_WIDTH;
+extern int GENERIC_SUB_WINDOW_HEIGHT;
+extern bool GENERIC_SUB_WINDOW_FULLSIZE;
+
+namespace overlay::windows {
+
+    class GenericSubScreen : public Window {
+    public:
+        GenericSubScreen(SpiceOverlay *overlay);
+
+        void build_content() override;
+
+    protected:
+        virtual void touch_transform(const ImVec2 xy_in, LONG *x_out, LONG *y_out);
+        ImVec2 overlay_content_top_left;
+        ImVec2 overlay_content_size;
+        std::optional<std::string> disabled_message = std::nullopt;
+    
+    private:
+        static void keep_16_by_9(ImGuiSizeCallbackData* data) {
+            data->DesiredSize.y = (data->DesiredSize.x * 9.f / 16.f) + ImGui::GetFrameHeight();
+        }
+
+        bool build_texture(IDirect3DSurface9 *surface, UINT width, UINT height);
+        void draw_texture();
+
+        std::optional<std::string> status_message = std::nullopt;
+
+        IDirect3DDevice9 *device = nullptr;
+        IDirect3DTexture9 *texture = nullptr;
+
+        UINT texture_width;
+        UINT texture_height;
+    };
+}
+
+#endif // SPICETOOLS_OVERLAY_WINDOWS_GENERIC_SUB_H