Rename Window_internal unit to WindowBase for consistency (#24163)

src/openrct2/interface/WindowBase.cpp

@@ -0,0 +1,40 @@
+#include "WindowBase.h"
+
+#include "../entity/EntityList.h"
+#include "../entity/EntityRegistry.h"
+#include "Cursors.h"
+#include "Viewport.h"
+
+namespace OpenRCT2
+{
+    void WindowBase::SetLocation(const CoordsXYZ& coords)
+    {
+        WindowScrollToLocation(*this, coords);
+        flags &= ~WF_SCROLLING_TO_LOCATION;
+    }
+
+    void WindowBase::Invalidate()
+    {
+        GfxSetDirtyBlocks({ windowPos, windowPos + ScreenCoordsXY{ width, height } });
+    }
+
+    void WindowBase::RemoveViewport()
+    {
+        if (viewport == nullptr)
+            return;
+
+        ViewportRemove(viewport);
+        viewport = nullptr;
+    }
+
+    void WindowBase::SetWidgets(const std::span<const Widget> newWidgets)
+    {
+        widgets.clear();
+        widgets.insert(widgets.end(), newWidgets.begin(), newWidgets.end());
+    }
+
+    CursorID WindowBase::OnCursor(WidgetIndex, const ScreenCoordsXY&, CursorID)
+    {
+        return CursorID::Arrow;
+    }
+} // namespace OpenRCT2