refactor: move a few things to desktop/

src/desktop/WLSurface.hpp

@@ -0,0 +1,72 @@
+#pragma once
+
+#include "../defines.hpp"
+#include "../helpers/Region.hpp"
+
+class CWindow;
+
+class CWLSurface {
+  public:
+    CWLSurface() = default;
+    CWLSurface(wlr_surface* pSurface);
+    ~CWLSurface();
+
+    void assign(wlr_surface* pSurface);
+    void unassign();
+
+    CWLSurface(const CWLSurface&)             = delete;
+    CWLSurface(CWLSurface&&)                  = delete;
+    CWLSurface&  operator=(const CWLSurface&) = delete;
+    CWLSurface&  operator=(CWLSurface&&)      = delete;
+
+    wlr_surface* wlr() const;
+    bool         exists() const;
+    bool         small() const;           // means surface is smaller than the requested size
+    Vector2D     correctSmallVec() const; // returns a corrective vector for small() surfaces
+    Vector2D     getViewporterCorrectedSize() const;
+    CRegion      logicalDamage() const;
+
+    // allow stretching. Useful for plugins.
+    bool m_bFillIgnoreSmall = false;
+
+    // if present, means this is a base surface of a window. Cleaned on unassign()
+    CWindow* m_pOwner = nullptr;
+
+    // track surface data and avoid dupes
+    float               m_fLastScale     = 0;
+    int                 m_iLastScale     = 0;
+    wl_output_transform m_eLastTransform = (wl_output_transform)-1;
+
+    //
+    CWLSurface& operator=(wlr_surface* pSurface) {
+        destroy();
+        m_pWLRSurface = pSurface;
+        init();
+
+        return *this;
+    }
+
+    bool operator==(const CWLSurface& other) const {
+        return other.wlr() == wlr();
+    }
+
+    bool operator==(const wlr_surface* other) const {
+        return other == wlr();
+    }
+
+    explicit operator bool() const {
+        return exists();
+    }
+
+    static CWLSurface* surfaceFromWlr(wlr_surface* pSurface) {
+        return (CWLSurface*)pSurface->data;
+    }
+
+  private:
+    wlr_surface* m_pWLRSurface = nullptr;
+
+    void         destroy();
+    void         init();
+
+    DYNLISTENER(destroy);
+};