Added IHyprWindowDecoration and Group Bars

src/render/decorations/IHyprWindowDecoration.hpp

@@ -0,0 +1,31 @@
+#pragma once
+
+#include "../../defines.hpp"
+
+enum eDecorationType {
+    DECORATION_NONE = -1,
+    DECORATION_GROUPBAR
+};
+
+struct SWindowDecorationExtents {
+    Vector2D topLeft;
+    Vector2D bottomRight;
+};
+
+class CWindow;
+struct SMonitor;
+
+class IHyprWindowDecoration {
+public:
+    virtual ~IHyprWindowDecoration() = 0;
+
+    virtual SWindowDecorationExtents getWindowDecorationExtents() = 0;
+
+    virtual void draw(SMonitor*) = 0;
+
+    virtual eDecorationType getDecorationType() = 0;
+
+    virtual void updateWindow(CWindow*) = 0;
+
+    virtual void damageEntire() = 0;
+};