--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DPF-Prymula-audioplugins/dpf/dgl/Layout.hpp	Mon Oct 16 21:53:34 2023 +0200
@@ -0,0 +1,71 @@
+/*
+ * DISTRHO Plugin Framework (DPF)
+ * Copyright (C) 2012-2021 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DGL_LAYOUT_HPP_INCLUDED
+#define DGL_LAYOUT_HPP_INCLUDED
+
+#include "Geometry.hpp"
+
+#include <list>
+
+START_NAMESPACE_DGL
+
+class SubWidget;
+
+// --------------------------------------------------------------------------------------------------------------------
+
+// NOTE: under development, API to be finalized and documented soon
+
+enum SizeHint {
+    Expanding,
+    Fixed
+};
+
+struct SubWidgetWithSizeHint {
+    SubWidget* widget;
+    SizeHint sizeHint;
+};
+
+template<bool horizontal>
+struct Layout
+{
+    std::list<SubWidgetWithSizeHint> widgets;
+    uint setAbsolutePos(int x, int y, uint padding);
+    void setSize(uint size, uint padding);
+};
+
+typedef Layout<true> HorizontalLayout;
+typedef Layout<false> VerticalLayout;
+
+struct HorizontallyStackedVerticalLayout
+{
+    std::list<VerticalLayout*> items;
+    Size<uint> adjustSize(uint padding); // TODO
+    void setAbsolutePos(int x, int y, uint padding);
+};
+
+struct VerticallyStackedHorizontalLayout
+{
+    std::list<HorizontalLayout*> items;
+    Size<uint> adjustSize(uint padding);
+    void setAbsolutePos(int x, int y, uint padding);
+};
+
+// --------------------------------------------------------------------------------------------------------------------
+
+END_NAMESPACE_DGL
+
+#endif // DGL_LAYOUT_HPP_INCLUDED